WO2005014369A1 - Steering system of trailer or the like - Google Patents

Steering system of trailer or the like Download PDF

Info

Publication number
WO2005014369A1
WO2005014369A1 PCT/JP2004/002810 JP2004002810W WO2005014369A1 WO 2005014369 A1 WO2005014369 A1 WO 2005014369A1 JP 2004002810 W JP2004002810 W JP 2004002810W WO 2005014369 A1 WO2005014369 A1 WO 2005014369A1
Authority
WO
WIPO (PCT)
Prior art keywords
trailer
steering
tractor
steering device
shaft
Prior art date
Application number
PCT/JP2004/002810
Other languages
French (fr)
Japanese (ja)
Inventor
Yasunobu Akashio
Original Assignee
Yasunobu Akashio
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 Yasunobu Akashio filed Critical Yasunobu Akashio
Publication of WO2005014369A1 publication Critical patent/WO2005014369A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/07—Multi-hitch devices, i.e. comprising several hitches of the same or of a different type; Hitch-adaptors, i.e. for converting hitches from one type to another
    • B60D1/075—Hitch-adaptors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D12/00—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames
    • B62D12/02—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames for vehicles operating in tandem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D13/00—Steering specially adapted for trailers
    • B62D13/02—Steering specially adapted for trailers for centrally-pivoted axles
    • B62D13/025—Steering specially adapted for trailers for centrally-pivoted axles the pivoted movement being initiated by the coupling means between tractor and trailer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D13/00—Steering specially adapted for trailers
    • B62D13/04—Steering specially adapted for trailers for individually-pivoted wheels
    • 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 trailer steering device.
  • a tractor pulls a front steering shaft type trailer with a steering shaft mounted on the front, and a trailer that steers the steering direction of the trailer in conjunction with the tractor by a transmission member that is linked to the displacement of the intersection angle of the tow bar.
  • the present inventor has proposed a trailer that autonomously steers by controlling the caster angle of the steering shaft so as to always be positive in the traveling direction (for example, see Patent Documents 1 and 2).
  • Patent Document 1 Japanese Patent Application Laid-Open No. Hei 12-334504
  • Patent Document 2 'Japanese Patent Application Laid-Open No. Hei 13-19337
  • Patent Document 3 Japanese Patent Application Laid-Open No. 2003-118186 Disclosure of the Invention
  • the present invention relates to a front steering trailer having steering means provided near a front steering wheel of the front steering trailer, and a tractor for towing the front steering trailer. And a perspective transmission means for transmitting to the steering means a variation in the distance between the tractor and the trailer that accompanies the steering of the tractor, and controls the steering direction of the trailer in conjunction with the steering of the tractor. It is intended to provide a steering device such as a trailer.
  • the perspective transmission means for transmitting the perspective variation of the distance generated between the tractor and the trailer to the steering means is provided between the rear part of the tractor and the front part of the trailer. Can be steered.
  • the perspective transmission means is rotatable around a fulcrum provided at a front portion of the trailer.
  • a lever member provided, and a link rod connected to a driving portion of the lever member and detachably provided at a rear portion of the tractor, and an operating portion of the steering means is connected to a driven portion of the lever member, and a trailer is provided.
  • the present invention provides a steering device such as a trailer that controls the steering direction of a vehicle.
  • the perspective transmission means is composed of the lever member and the link port detachably provided at the rear of the tractor, the structure is simpler than the conventional steering device, and costs such as material costs are reduced. This makes it easy to connect and disconnect the tractor and trailer.
  • a rotation angle sensor provided in the driving unit detects a rotation angle displacement of the link port. It is an object of the present invention to provide a steering device such as a trailer which detects the detected direction and controls the steering direction of the trailer.
  • the intersection angle detecting means includes the lever member, the rotation angle sensor, and the link rod detachably provided at the rear of the tractor, the structure is simpler than the conventional steering device, and the material cost and the like are reduced. Cost can be reduced, and the work of connecting and disconnecting the tractor and trailer can be easily performed.
  • the turning angle of the front steered wheels is set to a predetermined value in the perspective transmission means.
  • An object of the present invention is to provide a steering device such as a trailer provided with a warning means that operates when the above is achieved.
  • the driver of the tractor can know that the turning angle of the front steered wheels has exceeded the specified value, and an accident such as a rollover of the trailer has occurred. Can be prevented beforehand.
  • the warning means is activated when the turning angle of the front wheel is less than a predetermined value.
  • the operation of a trailer or the like provided with a malfunction prevention means of a warning means for preventing A rudder device is provided.
  • the perspective transmission means instantaneously fluctuates and the warning means is activated, and for example, it is possible to prevent the driver from being warned to stop.
  • a steering apparatus such as the trailer according to any one of the first to fourth aspects, wherein the perspective transmission unit is stored in the front part of the trailer. Etc. are provided.
  • the perspective transmission means is stored in the front part of the trailer, when the trailer is not connected to the tractor, for example, when the trailer is running alone, the perspective transmission means is obstructed when parked. It can be stored at the front of the trailer so that it does not become stale.
  • the steering apparatus for a trailer or the like according to any one of the first to sixth aspects, wherein the front and rear portions of the trailer include an open / close type V that is connected to the rear of the tractor.
  • a V-shaped connecting bar is provided, and an open / close shaft provided on the V-shaped connecting bar is provided with expansion / contraction means that expands / contracts in the lateral direction.
  • the expansion / contraction means expands or contracts the open / close axis outward or inward.
  • Another object of the present invention is to provide a steering device such as a trailer that changes the vertical width of the V-shaped connecting bar.
  • the vertical width of the V-shaped connection bar is changed by expanding or contracting the open / close shaft outward or inward by the expansion / contraction means. Further, the connection interval between the tractor and the trailer can be adjusted, and the connection and disconnection of the tractor and the trailer can be performed more easily than the conventional steering device.
  • the V-shaped connecting bar is stored in the front part of the trailer by the expansion / contraction means.
  • a steering device such as a trailer.
  • the V-shaped connecting bar is stored at the front of the trailer by the expansion and contraction means. Therefore, when the trailer is not connected to the tractor, for example, when the trailer alone travels or is parked. Tray so that the V-shaped connecting bar does not get in the way. Can be stored in front of the car.
  • a double fold that is connected to the rear part of the tractor at the front part of the trailer.
  • a vertical V-shaped connecting bar is provided on a shaft provided at the front of the trailer so as to be vertically movable, and a folding shaft for folding the V-shaped connecting bar into two at the center of the V-shaped connecting bar.
  • a steering device such as a trailer that is configured to fold the V-shaped connecting bar doubly around the folding shaft and the shaft so as to be stored in the front part of the trailer.
  • the V-shaped connection bar is stored in the front of the trailer, so that the V-shaped connection bar is located in front of the trailer so that the V-shaped connection bar does not hinder the vehicle when traveling alone or when parking. It can be stored, and the structure is simpler than the conventional steering device, so that costs such as material costs can be reduced, and the work of connecting and disconnecting the tractor and trailer can be easily performed.
  • a holding means for holding the V-shaped connection bar in an expanded state is provided on the folding shaft. It is intended to provide a steering device such as a trailer.
  • the holding means for holding the V-shaped connection bar in the expanded state is provided on the folding shaft, the expanded state can be maintained without bending the V-shaped connection bar in the expanded state.
  • the V-shaped connecting bar can be vertically extended and contracted with the auxiliary device.
  • Another object of the present invention is to provide a steering device such as a trailer which is provided with a leg and which supports the V-shaped connection bar by the auxiliary leg when connecting or disconnecting the tractor and the trailer.
  • the V-shaped connecting bar is provided with an auxiliary leg that can expand and contract in the vertical direction, and the V-shaped connecting bar is supported by the auxiliary leg when connecting or disconnecting the tractor and the trailer. Accordingly, the work of connecting or disconnecting the V-shaped connecting bar can be performed easily and smoothly.
  • the present invention also provides a steering device such as a trailer, which is provided with connection adjusting means for adjusting a connection position of the V-shaped connection bar, and which remotely controls the connection adjusting means.
  • connection adjustment means for adjusting the connection position of the V-shaped connection bar is provided, and the connection adjustment means is remotely operated. Work can be performed easily and smoothly.
  • two connecting bars can be rotated at the front of the trailer.
  • a steering device such as a trailer which is detachably connected to the rear part of the tractor by intersecting the connecting bars with each other.
  • the crossing angle between the tractor and the trailer can be changed when the tractor turns, thereby making it possible to make a small turn.
  • the steering device such as the trailer according to claim 13
  • the steering device such as a trailer configured to store the connection bar in a front portion of the trailer. Is provided.
  • the connecting bar is stored in the front part of the trailer, when the trailer is not connected to the tractor, for example, when the trailer is running alone, or when the vehicle is parked, the connecting bar is in the way. It can be stored at the front of the trailer so that it does not become dull.
  • the present invention provides a steering apparatus such as a trailer according to any one of claims 1 to 14, wherein the trailer is a truck, a bus, a passenger car, a mini car, or the like.
  • An object of the present invention is to provide a steering device such as a trailer using a self-propelled vehicle and a front steered shaft type trailer, wherein the steering means steers the steered wheels of the self-propelled vehicle.
  • the self-propelled vehicle can be used as a trailer, and the steered wheels of the self-propelled vehicle can be steered by the steering means.
  • a trailer or the like obtained by connecting a plurality of the trailers to the tractor. Is provided.
  • ADVANTAGE OF THE INVENTION According to this invention, multiple trailers can be connected to a tractor, and the improvement of loading efficiency, reduction of a fare, fuel saving, and labor saving can be achieved.
  • a steering apparatus such as a trailer according to the present invention, as described in claim 1, a front steering type trailer provided with steering means near a front steered wheel of the front steering type trailer;
  • a perspective transmission means for transmitting, to the steering means, a perspective variation in the distance between the tractor and the trailer in accordance with the steering of the tractor, between the tractor and the tractor for towing the trailer;
  • the perspective variation of the distance between the tractor and the trailer is transmitted to the steering means by the perspective transmission means, so that it can be reliably achieved with a simple mechanical structure.
  • the trailer can be steered along with the steering of the tractor.
  • the perspective transmission means is rotatable around a fulcrum provided at a front portion of the trailer.
  • the perspective transmission means is composed of lever members and link rods, so the structure is simpler than the conventional steering system and the cost such as material cost is reduced. This makes it possible to easily connect and disconnect the tractor and trailer.
  • a rotation angle sensor provided in the driving unit detects a rotation angle displacement of the link port.
  • the turning angle of the front steered wheels is set to a predetermined value in the perspective transmission means.
  • the warning means is activated when the turning angle of the front steered wheels is less than a specified value.
  • the tractor 3 is connected to the trailer 1 when the steering angle of the front steered wheels is less than the specified value.
  • the perspective transmission means momentarily fluctuates, and the warning means is activated. Can be prevented from warning you to stop There is a clear effect.
  • a steering apparatus such as a trailer according to any one of the first to fifth aspects, wherein the perspective transmission unit is stored in a front part of the trailer.
  • the steering apparatus for a trailer or the like according to any one of the first to sixth aspects, wherein the front and rear portions of the trailer include an open / close type V that is connected to the rear of the tractor.
  • a V-shaped connecting bar is provided, and an open / close shaft provided on the V-shaped connecting bar is provided with expansion / contraction means that expands / contracts in the lateral direction.
  • the expansion / contraction means expands or contracts the open / close axis outward or inward.
  • the V-shaped connecting bar is stored in the front part of the trailer by the expansion / contraction means.
  • the V-shaped connection bar can be stored in the front of the trailer when the trailer is not connected to the tractor, for example, when traveling with the trailer alone or when parking. effective.
  • a double-folding type that is connected to the rear of the tractor at the front of the trailer.
  • the V-shaped connection par is provided on a shaft provided at the front of the trailer so as to be able to move up and down, and a folding shaft for folding the V-shaped connection bar into two is provided at the center of the V-shaped connection par.
  • the V-shaped connection bar is double-folded around the folding shaft and the shaft and stored in the front of the trailer.
  • V-shaped connecting bar It can be stored in the front of the trailer so that the V-shaped connecting bar does not get in the way when parking.It has a simpler structure than conventional steering devices, reduces material costs and other costs, and also reduces the cost of the tractor and trailer. Connect and disconnect work There is an effect that can be done to.
  • a holding means for holding the V-shaped connection bar in an expanded state is provided on the folding shaft.
  • the V-shaped connecting bar can be vertically extended and contracted with the auxiliary device.
  • a leg is provided, and when connecting or disconnecting the tractor and the trailer, the auxiliary leg supports the V-shaped connecting bar, thereby connecting or disconnecting the V-shaped connecting bar. This has the effect that work can be performed easily and smoothly.
  • connection adjusting means for adjusting the connection position of the V-shaped connection bar is provided, and the connection adjustment means is remotely operated, so that the work of connecting the tractor and the trailer can be performed easily and smoothly. There is an effect that can be.
  • two connecting bars can be rotated at the front of the trailer. And the connecting bar is crossed with each other and detachably connected to the rear part of the tractor, whereby the crossing angle between the tractor and the trailer can be changed when the tractor turns, and the small turning can be effected. There is.
  • the present invention as described in claim 14, in the steering device such as the trailer according to claim 13, having a configuration in which the connecting bar is stored in the front part of the trailer. Therefore, when the trailer is not connected to the tractor, for example, when the trailer is traveling alone or parked, there is an effect that the connecting bar can be stored in the front of the trailer so as not to be in the way.
  • the present invention provides a steering apparatus such as a trailer according to any one of claims 1 to 14, wherein the trailer is a truck, a bus, a passenger car, a mini car, or the like.
  • the self-propelled vehicle can be used as a trailer by using a self-propelled vehicle and a front steered shaft type trailer, and the steering means steers the steered wheels of the self-propelled vehicle. This has the effect that the steered wheels of the self-propelled vehicle can be steered.
  • the present invention provides a steering device such as a trailer according to any one of claims 1 to 15, wherein a plurality of the trailers are connected to the tractor.
  • a steering device such as a trailer according to any one of claims 1 to 15, wherein a plurality of the trailers are connected to the tractor.
  • FIG. 1 is a schematic plan explanatory view showing a main part of an embodiment of the device of the present invention.
  • FIG. 2 is a schematic plan view showing a main part of another embodiment.
  • Fig. 3 is a schematic side view showing the main part.
  • FIG. 4 is a schematic plan view showing a main part of another embodiment. ⁇
  • FIG. 5 is a schematic side view of a main part of FIG.
  • FIG. 6 is a partial longitudinal sectional explanatory view showing a main part of the embodiment.
  • FIG. 6a is a partial longitudinal sectional explanatory view showing a main part of another embodiment.
  • FIG. 6b is a partial longitudinal sectional explanatory view showing another operation mode of the main part of the embodiment.
  • FIG. 6c is a partial vertical cross-sectional explanatory view showing another operation mode of the main part of the embodiment.
  • FIG. 7 is a schematic perspective explanatory view showing a main part of another embodiment.
  • FIG. 8 is a schematic perspective explanatory view of another embodiment of the main part.
  • FIG. 9 is a schematic plan view showing a main part of another embodiment.
  • FIG. 10 is a schematic side view showing the main part.
  • FIG. 11 is a schematic perspective explanatory view showing a main part of another embodiment.
  • FIG. 12 is a schematic perspective explanatory view showing another embodiment of the main part.
  • FIG. 13 is a schematic plan view showing the main part of another embodiment.
  • FIG. 14 is a schematic plan view showing the main part.
  • FIG. 15 is a schematic side view showing another embodiment.
  • FIG. 16 is a schematic perspective explanatory view showing a main part of another embodiment.
  • FIG. 17 is a schematic perspective explanatory view showing another embodiment of the main part.
  • FIG. 18 is a schematic plan explanatory view showing a main part of another embodiment.
  • Figure 19 Schematic side view showing the main part.
  • FIG. 20 is a schematic plan view showing a main part of the embodiment.
  • FIG. 21 is a schematic explanatory view showing another embodiment.
  • FIG. 22 is a schematic explanatory view showing another embodiment.
  • FIG. 23 is a schematic explanatory view showing another embodiment.
  • a steering means for operating the trailer 1 is provided in the vicinity of the front steering wheel 2 of the trailer 1, and the trailer 1 is towed by the tractor 3, and with the steering of the tractor 3,
  • Perspective transmission means for transmitting the perspective variation of the distance between the tractor 3 and the trailer 1 to the steering means is provided between the rear of the tractor 3 and the front of the trailer 1, and the trailer 1 is steered in conjunction with the steering of the tractor 3.
  • the direction is controlled.
  • the steering means is a steering shaft 11 for interlocking the front steering wheel 2 and a knuckle rotatably connected to the steering shaft 11 and the shaft 13 inside the steering wheel 2.
  • a rack link 15 and a drop arm 24 are provided rotatably below the rotation shaft 25 of the steering gear box 56 provided in front of the front steerable trailer 1. And the drop arm 24 are rotatably connected by a shaft 27.
  • the perspective transmission means is provided rotatably about a fulcrum 4 provided at the front of the trailer 1.
  • An idler lever 26 provided on the shaft 28 of the drop arm 24 consists of a lever member 5 and a link rod 7 which is connected to the driving portion 6 of the lever member 5 and is detachably provided at the rear of the tractor 3. Is connected to a driven portion 8 of a lever member 5 as an operating portion so that a variation in distance between the tractor 3 and the trailer 1 is transmitted to the steering means.
  • a lock type link rod is used instead of the link rod 7 of the above embodiment. 10 is provided.
  • the lock type link rod 10 is rotatable to the horizontal cylinder part 17 which is connected to the driving part 6 by rotation and the pole type hook 9 provided at the rear of the tractor 3.
  • the slide shaft 16 is detachably provided.
  • the slide shaft 16 is inserted into the horizontal cylinder portion 17, and an extra space 29 is provided in the horizontal cylinder portion 17.
  • a groove 19 is provided at the tip of the slide shaft 16 to fix the slide shaft 16 inside the horizontal cylinder 17, and a vertical cylinder is provided at the center of the horizontal cylinder 17. 18 is provided.
  • the horizontal cylinder part 17 and the vertical cylinder part 18 are internally connected, and the ball 20 is pressed from the vertical cylinder part 18 downward into the groove 19.
  • the means for pressing the pole 20 is a panel 22 provided inside the vertical cylinder portion 18 and a pressing member 23 pushed out by the panel 22.
  • the slide shaft 16 is It is pressed from above by the step and fixed inside the horizontal cylinder.
  • a sudden impact such as when a connected vehicle of the tractor 3 and the trailer 1 enters a step on a road or a steep road from a flat road.
  • an excessive load is applied to the pole 20 and the pressing member 23 of the lock-type link rod 10, and the displacement sensor 21 issues the warning even though the turning angle of the front steered wheel 2 is less than the specified value.
  • Malfunction preventing means 88 for preventing the means from operating is provided below the horizontal cylinder portion 17, and the displacement sensor 21 is configured so as not to be mistaken for the overload.
  • the malfunction prevention means 88 is provided with a mouth 85 pivotally connected to a pivot 84 provided at the lower end of a lever member 5 rotating about the fulcrum 4,
  • a slide cam 87 which is rotatably connected via a connecting portion 86 of the rod 85, and is slidably provided in a cylinder portion 89 integrally provided below the horizontal cylinder portion 17, and a slide And a ball 91 that slides on the upper surface of the horizontal cam portion 87.
  • the ball 91 has substantially the same shape as the pole 20.
  • the lower opening 92 is configured to fit into the groove 19 of the slide shaft 16.
  • the lock type link rod 10 and the lever member 5 are in the neutral state A-A, that is, when the turning angle of the front steered wheel 2 is less than the specified value, and the ball 9 1 is on the protruding cam portion 90 of the slide cam 87, and the ponole 91 communicates with the lower opening portion 92 to fit into the groove 19, and the slide shaft 16 Is fixed to the horizontal cylinder 17.
  • the intersection angle fluctuation generated between the tractor 3 and the trailer 1 is detected, and the information of the intersection angle fluctuation is transmitted to the steering means. Is provided at the front of the trailer 1 to control the steering direction of the trailer 1 in conjunction with the steering of the tractor 3.
  • the intersection angle detecting means comprises a lever member 82 provided rotatably around a fulcrum (not shown) provided at the front of the trailer 1; A lock-type link rod 10 rotatably and detachably provided on a ball-type hook 9 provided at the rear of the tractor 3 connected to the driving unit 80, and a rotation angle sensor 31 provided at the lower part of the driving unit 80.
  • the rotation angle sensor 31 detects the rotation angle displacement of the lock type link rod 10 and transmits this detection signal to the steering motor 33 provided at the upper part of the steering gear box 56 to transmit the detection signal to the steering motor 33.
  • the steering direction of the trailer 1 is controlled in conjunction with the steering of the tractor 3. It is also possible to provide the link rod 7 of the previous embodiment instead of the lock type link rod 10 provided in the driving unit 80.
  • the universal joint type A vertical rotation bearing 43 and a horizontal rotation bearing 42 are provided on the horizontal rotation bearing 42, and the open / closed V-shaped connecting bar 34 connected to the connection hook 36 at the rear of the tractor 3 is provided on the horizontal rotation bearing 42.
  • an expansion / contraction means 40 for expanding and contracting in the horizontal direction about the opening / closing shaft 35.
  • the openable / closed V-shaped connecting bar 34 is connected to a main arm 37 provided inward from the front of the trailer 1 forward and to the main arm 37 via an opening / closing shaft 35. It consists of a sub-arm 38 provided at the tip and having the tip crossed with each other.
  • a connecting hook 36 provided at the rear of the tractor 3 is connected to a runet eye 39 provided at the intersection of the sub-arm 38. Yes.
  • a hydraulic cylinder 40 is provided between two open / close shafts 35 as an expansion / contraction means, and a horizontal rotary shaft 42, an open / close shaft 35 and a lunette eye 38 are provided.
  • the vertical width of the V-shaped connecting bar 34 is changed by expanding or contracting the opening / closing shaft 35 outward or inward by a hydraulic cylinder 40 with the shaft as a shaft.
  • the vertical width of the V-shaped connecting bar 34 is at the maximum when the hydraulic cylinder 40 is contracted.
  • the vertical width of the V-shaped connection bar 34 is minimized with the hydraulic cylinder 40 expanded, and the V-shaped connection par 34 is connected to the trailer. 1 Stored in front. The inter-vehicle distance between the tractor 3 and the trailer 1 can be appropriately adjusted by adjusting the vertical width of the V-shaped connecting bar 34 with the hydraulic cylinder 40.
  • a roller leg 57 is provided at the tip of the sub arm 38 as a vertically extendable auxiliary leg supporting the V-shaped connecting bar 34 in the vertical direction. It is provided.
  • the roller legs 57 are configured to be extendable and retractable, and after the V-shaped connection bar 34 is connected, the roller legs 57 are prevented from obstructing during traveling. The length is reduced so that the roller portion 58 provided at the lower portion of the roller leg 57 is separated from the ground.
  • connection adjusting means for adjusting the connecting position of the V-shaped connecting bar 34 is provided, and when connecting the V-shaped connecting bar 34 to the tractor 3, the connecting adjusting means is remotely operated. It is configured to do so.
  • the electric hydraulic pump 73 is connected to the hydraulic cylinder 40 via pipes 74 and 75 as connection adjusting means. 5
  • the V-shaped connecting bar 34 supported by 7 is contracted by the electric hydraulic pump 73 to reduce the hydraulic cylinder 40 and gradually extended from the stowed state to the expanded state. 9 are connected.
  • the storage work is configured to be performed in the reverse order.
  • the electric hydraulic pump 73 is provided with a remote control switch 72, which can be used to remotely open and close the V-shaped connecting bar 34 during connection work. Is possible.
  • a double-folded V-shaped connecting bar 41 connected to the rear of the tractor 3 is provided at the front of the trailer 1.
  • Bearing 4 is provided at the front of the trailer 1.
  • 4 and 4 are provided so as to be vertically movable, and a folding shaft 45 for folding the V-shaped connecting bar 41 into two is provided at the center of the V-shaped connecting bar 41.
  • the structure is such that 41 is folded twice around the folding shaft 45 and the bearings 44, 44 and stored in the front of the trailer 1.
  • the double-folding V-shaped connecting par 41 is composed of two main arms 46, 46 provided forward and inward from the bearings 44, 44, and this main arm.
  • a V-shaped sub-arm 47 provided on the inside of the folding shaft 45 through a folding shaft 45, a connecting hook 36 provided at the rear of the tractor 3, and a lunet eye provided at the tip of the sub-arm 47. It is configured to connect 4 8.
  • the holding means 83 for holding the V-shaped connecting bar 41 in the expanded state is located near the folding shaft 45 and the sub-arm 47. It is provided integrally.
  • the holding means 83 includes an L-shaped rebound clamp 49 provided integrally with the sub arm 47 as in the embodiment shown in FIG. 14, and an upper plate portion of the rebound clamp 49.
  • a pressing means 51 made of a spring, rubber, or the like that presses the main arm 46 from the upper side is provided, and the lower part of the rebound clamp 49 is rotated via a rotating shaft 52.
  • a movable opening / closing plate 53 is provided.
  • a handle 55 is provided on the opening / closing plate 53, and a hook 57 to be hooked on the handle 55 is provided on the upper plate 50 via a shaft 56.
  • the opening / closing plate 53 is lifted by holding the handle 55, and the hook 57 is hooked on the handle 55 to be fixed, so that the main arm 46 is connected to the main arm 46.
  • the sub arm 47 can be prevented from rotating around the folding axis 45.
  • the release of the holding means 83 is performed in the reverse order.
  • FIGS. 2 to 5 FIG. 13 and FIG.
  • the horizontal axis 64 is provided at the center of the sub arm 47, and the support provided at the center
  • a guide bar 65 for supporting the V-shaped connecting bar 41 is provided between the section 70 and the horizontal shaft 64.
  • a main arm 46, 4 is provided between the bearings 44, 44.
  • a rotary shaft 66 provided integrally with the rotary shaft 6 is supported, and an auxiliary arm 67 is provided at the left end of the rotary shaft 66.
  • a hydraulic cylinder 69 is provided so as to extend and contract.
  • the V-shaped connecting bar 41 is gradually moved from the horizontal state (a).
  • the hydraulic cylinder 69 When the hydraulic cylinder 69 is extended, the auxiliary arm 67 rotates forward about the rotation axis 66, and the main arms 46, 46 gradually rise at the front of the trailer 1, and the sub arm 4 7 is gradually bent downward about the folding axis 45, so that it finally becomes a vertical state (b).
  • a hydraulic cylinder 69 or the like may be provided on the right side of the trailer 1, and a lock type link rod 10 or the like may be provided on the left side.
  • connection adjusting means for adjusting the connecting position.
  • the connection adjusting means is remotely operated.
  • the connection adjusting means comprises a hydraulic cylinder 69 and an electric hydraulic pump 78 connected via pipes 76, 77, and the electric hydraulic pump 78 drives the hydraulic cylinder 69. Rotate the main arms 4 6 and 4 6 from the bearings 4 4 and 4 4 while adjusting the height, and extend the sub-arms 4 7 in the front-rear direction with the guide bar 65 and the connecting hook. It is configured to connect Lune Eye 48 to 36.
  • the electric hydraulic pump 78 is provided with a remote control switch 81 for operating the pump 78, and when connecting, the remote control switch 1 81 is used to operate the V-shaped connecting bar. 4 It is possible to remotely control the connection or storage operation of 1. Note that the rebound clamps 18 and the like shown in FIG. 9 can be attached to the left and right as required. In the case of the embodiment shown in FIGS. 16 to 20, two connecting bars 60, 60 are rotatably provided on pole joints 59, 59 provided on the left and right of the front part of the trailer 1.
  • the bars 60, 60 cross each other at the intersection center 63 so as not to contact each other, and are provided on the connecting rings 61, 61 provided on the left and right sides of the rear of the tractor 3 and on the distal ends of the connecting bars 60, 60.
  • the ball type connecting hooks 62, 62 are configured to be detachably and rotatably connected.
  • the trailer 1 can be made to follow the tractor 3 by making a slight turn by the cross-shaped movement of the intersection center 6 3, and the swing in the pitching direction is performed by the pole joint 5 9 Can also be absorbed. Further, after the connection is released, the connection bars 60, 60 are manually folded laterally at the front of the trailer 1, clamped, and stored.
  • the steering means and the perspective transmission means are the same as in the above embodiment.
  • a self-propelled vehicle such as a truck, a bus, a passenger car, a minicar, and a front steering shaft type trailer as the trailer 1. It is also possible for the steering means to steer the steered wheels 2 of the self-propelled vehicle. It is also possible to connect a plurality of trailers 1 to the tractor 3.

Abstract

A steering system of a trailer, or the like, arranged such that connection/disconnection is facilitated as compared with a conventional system so that self-propelled vehicles can be transported while being connected, the structure is simplified so that a self-propelled vehicle can be remodeled into a trailer, and a plurality of vehicles can be connected in order to deal with the trend of overland transportation, i.e. enhancement of load efficiency, reduction of freight, saving on fuel cost, saving on man power, smaller lot, collection and delivery from/to many fields, and the like. Between a front steering trailer provided with a steering means in the vicinity of the front steering wheel thereof and a tractor for hauling the front steering trailer, a means for transmitting a variation in the distance between the tractor and the trailer incident to steering of the tractor is provided, and steering direction of the trailer is controlled by being interlocked with steering of the tractor.

Description

トレーラ等の操舵装置  Steering devices such as trailers
技術分野  Technical field
本発明は、 トレーラの操舵装置に関する。  The present invention relates to a trailer steering device.
背景技術  Background art
従来、 操舵軸を前部に装着した前操舵軸型トレーラをトラクタで牽引し、 トラ クタに連動してトレーラの操舵方向を牽引バーの交差角の変位に連動する伝達部 材により操舵するトレーラ及び前記操舵軸のキャスタ角を進行方向に対して常に プラスになるように制御させて自立的に操舵するトレーラが本願発明者によって 提案されている （例えば、 特許文献 1、 2参照。）。  Conventionally, a tractor pulls a front steering shaft type trailer with a steering shaft mounted on the front, and a trailer that steers the steering direction of the trailer in conjunction with the tractor by a transmission member that is linked to the displacement of the intersection angle of the tow bar. The present inventor has proposed a trailer that autonomously steers by controlling the caster angle of the steering shaft so as to always be positive in the traveling direction (for example, see Patent Documents 1 and 2).
また、 自走車同士を連結して輸送することができるように、 連結及び切り離し が容易であり、 構造が簡単で自走車をトレーラに改造しやすく、 複数台を連結す ることができるトレーラの操舵装置が本願発明者によって提案されている （例え ば、 特許文献 3参照。）。  In addition, it is easy to connect and disconnect so that the vehicles can be connected and transported, the structure is simple, the vehicle can be easily converted to a trailer, and a trailer that can connect multiple vehicles Has been proposed by the present inventor (for example, see Patent Document 3).
特許文献 1 ： 特開平 1 2— 3 3 5 4 4 0号公報 特許文献 2 ： ' 特開平 1 3— 1 9 3 7号公報  Patent Document 1: Japanese Patent Application Laid-Open No. Hei 12-334504 Patent Document 2: 'Japanese Patent Application Laid-Open No. Hei 13-19337
特許文献 3 ： 特開 2 0 0 3— 1 1 8 6 1 4号公報 発明の開示  Patent Document 3: Japanese Patent Application Laid-Open No. 2003-118186 Disclosure of the Invention
発明が解決しようとする課題  Problems to be solved by the invention
また、 陸上輸送の分野では、 積載効率の向上、 運賃の低減、 省燃費、 省人化、 小口ット化及び多方面集配等へと移行しつつあり、 これらの対応策が求められて いることから、 自走車同士を連結して輸送することができるように、 連結及ぴ切 り離しが従来装置よりも容易であり、 且つ構造が簡単で自走車をトレーラに改造 しゃすく、 複数台を連結することができるトレーラ等の操舵装置を提供すること を課題とする。  Also, in the field of land transportation, there is a shift to improving loading efficiency, lowering freight rates, saving fuel, saving manpower, reducing the size of units, and collecting and delivering in multiple directions. Therefore, connecting and disconnecting is easier than conventional equipment, and the structure is simpler, and the self-propelled vehicle is converted to a trailer so that the vehicles can be connected and transported. It is an object of the present invention to provide a steering device such as a trailer to which a vehicle can be connected.
課題を解決するための手段  Means for solving the problem
そこで、 本発明は、 請求項 1に記載のように、 前操舵型トレーラの前部操舵輪 の近傍に操舵手段を設けた前操舵型トレーラと、 前操舵型トレーラを牽引するト ラクタとの間に、 該トラクタの操舵に伴ってトラクタと前記トレーラの間に生じ る距離の遠近変動を前記操舵手段に伝達する遠近伝達手段を設け、 トラクタの操 舵に連動してトレーラの操舵方向を制御するようにしたトレーラ等の操舵装置を 提供するものである。  In view of this, the present invention relates to a front steering trailer having steering means provided near a front steering wheel of the front steering trailer, and a tractor for towing the front steering trailer. And a perspective transmission means for transmitting to the steering means a variation in the distance between the tractor and the trailer that accompanies the steering of the tractor, and controls the steering direction of the trailer in conjunction with the steering of the tractor. It is intended to provide a steering device such as a trailer.
本発明によれば、 トラクタとトレーラの間に生じる距離の遠近変動を操舵手段 に伝達する遠近伝達手段をトラクタ後部とトレーラ前部との間に設けてあるか ら、 トラクタの操舵に伴ってトレーラを操舵することができる。 また、 本発明は、 請求項 2に記載のように、 請求項 1に記載のトレーラ等の操 舵装置において、 前記遠近伝達手段が、 前記トレーラ前部に設けた支点部を中心 に回転自在に設けた梃部材と、 該梃部材の原動部に連結して前記トラクタ後部に 着脱自在に設けたリンクロッドとからなり、 前記梃部材の従動部に前記操舵手段 の作動部を連結して、 トレーラの操舵方向を制御するようになしたトレーラ等の 操舵装置を提供するものである。 According to the present invention, the perspective transmission means for transmitting the perspective variation of the distance generated between the tractor and the trailer to the steering means is provided between the rear part of the tractor and the front part of the trailer. Can be steered. According to a second aspect of the present invention, as set forth in the second aspect, in the steering device such as the trailer according to the first aspect, the perspective transmission means is rotatable around a fulcrum provided at a front portion of the trailer. A lever member provided, and a link rod connected to a driving portion of the lever member and detachably provided at a rear portion of the tractor, and an operating portion of the steering means is connected to a driven portion of the lever member, and a trailer is provided. The present invention provides a steering device such as a trailer that controls the steering direction of a vehicle.
本発明によれば、 遠近伝達手段が梃部材と、 トラクタ後部に着脱自在に設けた リンク口ッドからなるので、 従来の操舵装置よりも構造が簡素で、 材料費等のコ ストを低減することができ、 トラクタとトレーラの連結及び切り離し作業を容易 に行うことができる。  According to the present invention, since the perspective transmission means is composed of the lever member and the link port detachably provided at the rear of the tractor, the structure is simpler than the conventional steering device, and costs such as material costs are reduced. This makes it easy to connect and disconnect the tractor and trailer.
また、 本発明は、 請求項 3に記載のように、 請求項 1又は 2に記載のトレーラ 等の操舵装置において、 前記原動部に設けた回転角センサーが前記リンク口ッド の回転角変位を検出して、 トレーラの操舵方向を制御するようになしたトレーラ 等の操舵装置を提供するものである。  Further, according to the present invention, as described in claim 3, in the steering device such as the trailer according to claim 1 or 2, a rotation angle sensor provided in the driving unit detects a rotation angle displacement of the link port. It is an object of the present invention to provide a steering device such as a trailer which detects the detected direction and controls the steering direction of the trailer.
本発明によれば、 交差角検出手段が梃部材と、 回転角センサーと、 トラクタ後 部に着脱自在に設けたリンクロッドとからなるので、 従来の操舵装置よりも構造 が簡素で、 材料費等のコストを低減することができ、 トラクタとトレーラの連結 及び切り離し作業を容易に行うことができる。  According to the present invention, since the intersection angle detecting means includes the lever member, the rotation angle sensor, and the link rod detachably provided at the rear of the tractor, the structure is simpler than the conventional steering device, and the material cost and the like are reduced. Cost can be reduced, and the work of connecting and disconnecting the tractor and trailer can be easily performed.
また、 本発明は、 請求項 4に記載のように、 請求項 1、 2又は 3に記載のトレ ーラ等の操舵装置において、 前記遠近伝達手段に前記前部操舵輪の切れ角が規定 値以上になると作動する警告手段を設けてなるトレーラ等の操舵装置を提供する ものである。  Further, according to the present invention, as set forth in claim 4, in the steering device such as the trailer according to claim 1, 2, or 3, the turning angle of the front steered wheels is set to a predetermined value in the perspective transmission means. An object of the present invention is to provide a steering device such as a trailer provided with a warning means that operates when the above is achieved.
本発明によれば、 遠近伝達手段に警告手段を設けてあるから、 トラクタの運転 者が前部操舵輪の切れ角の規定値以上になったことを知ることができ、 トレーラ の横転等の事故を未然に防止することができる。  According to the present invention, since the warning means is provided in the perspective transmission means, the driver of the tractor can know that the turning angle of the front steered wheels has exceeded the specified value, and an accident such as a rollover of the trailer has occurred. Can be prevented beforehand.
また、 本発明は、 請求項 5に記載のように、 請求項 4に記載のトレーラ等の操 舵装置において、 前記前部操 輪の切れ角が規定値未満の状態で、 前記警告手段 が作動するのを阻止する警告手段の誤作動阻止手段を設けてなるトレーラ等の操 舵装置を提供するものである。 Further, according to the present invention, as set forth in claim 5, in the steering device such as a trailer according to claim 4, the warning means is activated when the turning angle of the front wheel is less than a predetermined value. The operation of a trailer or the like provided with a malfunction prevention means of a warning means for preventing A rudder device is provided.
本発明によれば、 前部操舵輪の切れ角が規定値未満の状態で、 トラクタ 3とト レーラ 1の連結車が道路の段差、 あるいは、 平坦な道路から急な勾配のある道路 に入る際などの突発的な衝撃を受けて、 遠近伝達手段が瞬間的に遠近変動して前 記警告手段が作動し、 例えば、 運転者に停止するように警告することを阻止する ことができる。  According to the present invention, when the connected vehicle of the tractor 3 and the trailer 1 enters a stairway on a road or a steep slope from a flat road in a state where the turning angle of the front steered wheels is less than a specified value. In response to a sudden impact such as that described above, the perspective transmission means instantaneously fluctuates and the warning means is activated, and for example, it is possible to prevent the driver from being warned to stop.
また、 本発明は、 請求項 6に記載のように、 請求項 1乃至 4のいずれかに記載 のトレーラ等の操舵装置において、 前記遠近伝達手段を前記トレーラ前部に格納 するようになしたトレーラ等の操舵装置を提供するものである。  According to a sixth aspect of the present invention, there is provided a steering apparatus such as the trailer according to any one of the first to fourth aspects, wherein the perspective transmission unit is stored in the front part of the trailer. Etc. are provided.
本発明によれば、遠近伝達手段をトレーラ前部に格納するようにしてあるから、 トレーラをトラクタに連結してないとき、 例えば、 トレーラ単独での走行時ゃ駐 車時において遠近伝達手段が邪魔にならないようにトレーラ前部に格納すること ができる。  According to the present invention, since the perspective transmission means is stored in the front part of the trailer, when the trailer is not connected to the tractor, for example, when the trailer is running alone, the perspective transmission means is obstructed when parked. It can be stored at the front of the trailer so that it does not become stale.
また、 本発明は、 請求項 7に記載のように、 請求項 1乃至 6のいずれかに記載 のトレーラ等の操舵装置において、 前記トレーラ前部に、 前記トラクタ後部と連 結する開閉式の V字型連結バーを設け、 該 V字型連結バーに設けた開閉軸に横方 向に伸縮する伸縮手段を設け、 該伸縮手段により前記開閉軸を外向き又は内向き に拡大又は縮小することによって、 前記 V字型連結バーの縦幅を変化させるよう になしたトレーラ等の操舵装置を提供するものである。  According to a seventh aspect of the present invention, there is provided the steering apparatus for a trailer or the like according to any one of the first to sixth aspects, wherein the front and rear portions of the trailer include an open / close type V that is connected to the rear of the tractor. A V-shaped connecting bar is provided, and an open / close shaft provided on the V-shaped connecting bar is provided with expansion / contraction means that expands / contracts in the lateral direction. The expansion / contraction means expands or contracts the open / close axis outward or inward. Another object of the present invention is to provide a steering device such as a trailer that changes the vertical width of the V-shaped connecting bar.
本発明によれば、 伸縮手段により開閉軸の外向き又は内向きに拡大又は縮小す ることによって、 V字型連結バーの縦幅を変化させるようにしてあるので、 トラ クタとトレーラの連結時に、 トラクタとトレーラの連結間隔を調整することがで き、 従来の操舵装置よりもトラクタとトレーラの連結及び切り離し作業を容易に 行うことができる。  According to the present invention, the vertical width of the V-shaped connection bar is changed by expanding or contracting the open / close shaft outward or inward by the expansion / contraction means. Further, the connection interval between the tractor and the trailer can be adjusted, and the connection and disconnection of the tractor and the trailer can be performed more easily than the conventional steering device.
また、 本発明は、 請求項 8に記載のように、 請求項 7に記載のトレーラ等の操 舵装置において、 前記伸縮手段により前記 V字型連結バーを前記トレーラ前部に 格納するようになしたトレーラ等の操舵装置を提供するものである。  Further, according to the present invention, as set forth in claim 8, in the steering apparatus such as a trailer according to claim 7, the V-shaped connecting bar is stored in the front part of the trailer by the expansion / contraction means. And a steering device such as a trailer.
本発明によれば、 伸縮手段により V字型連結バーをトレーラ前部に格納するよ うにしてあるから、 トレーラをトラクタに連結してないとき、 例えば、 トレーラ 単独での走行時、 駐車時において V字型連結バーが邪魔にならないようにトレー ラ前部に格納することができる。 According to the present invention, the V-shaped connecting bar is stored at the front of the trailer by the expansion and contraction means. Therefore, when the trailer is not connected to the tractor, for example, when the trailer alone travels or is parked. Tray so that the V-shaped connecting bar does not get in the way. Can be stored in front of the car.
また、 本発明は、 請求項 9に記載のように、 請求項 1乃至 6のいずれかに記載 のトレーラ等の操蛇装置において、 前記トレーラ前部に、 前記トラクタ後部と連 結する 2重折り式の V字型連結バーを前記トレーラ前部に設けた軸に上下動可能 に設け、 該 V字型連結バーの中央部に、 前記 V字型連結バーを 2つに折り畳むた めの折り軸を設け、 前記 V字型連結バーを前記折り軸及び前記軸を中心に 2重に 折り畳んで、 前記トレーラ前部に格納するようになしたトレーラ等の操舵装置を 提供するものである。  Further, according to the present invention, as set forth in claim 9, in the snake control apparatus such as the trailer according to any one of claims 1 to 6, a double fold that is connected to the rear part of the tractor at the front part of the trailer. A vertical V-shaped connecting bar is provided on a shaft provided at the front of the trailer so as to be vertically movable, and a folding shaft for folding the V-shaped connecting bar into two at the center of the V-shaped connecting bar. And a steering device such as a trailer that is configured to fold the V-shaped connecting bar doubly around the folding shaft and the shaft so as to be stored in the front part of the trailer.
本発明によれば、 V字型連結バーがトレーラ前部に格納するようにしてあるか ら、 トレーラ単独での走行時、 駐車時において V字型連結バーが邪魔にならない ようにトレーラ前部に格納することができ、 また、 従来の操舵装置よりも構造が 簡素で、 材料費等のコストを低減することができると共にトラクタとトレーラの 連結及び切り離し作業を容易に行うことができる。  According to the present invention, the V-shaped connection bar is stored in the front of the trailer, so that the V-shaped connection bar is located in front of the trailer so that the V-shaped connection bar does not hinder the vehicle when traveling alone or when parking. It can be stored, and the structure is simpler than the conventional steering device, so that costs such as material costs can be reduced, and the work of connecting and disconnecting the tractor and trailer can be easily performed.
また、 本発明は、 請求項 1 0に記載のように、 請求項 9に記載のトレーラ等の 操舵装置において、 前記 V字型連結バーを展開状態で保持する保持手段を前記折 り軸に設けてなるトレーラ等の操舵装置を提供するものである。  According to a tenth aspect of the present invention, in the steering device such as a trailer according to the ninth aspect, a holding means for holding the V-shaped connection bar in an expanded state is provided on the folding shaft. It is intended to provide a steering device such as a trailer.
本発明によれば、 V字型連結バーを展開状態で保持する保持手段を折り軸に設 けてあるから、 展開状態で、 V字型連結バーが折れ曲がることなく展開状態を保 つことができる D According to the present invention, since the holding means for holding the V-shaped connection bar in the expanded state is provided on the folding shaft, the expanded state can be maintained without bending the V-shaped connection bar in the expanded state. D
また、 本発明は、 請求項 1 1に記載のように、 請求項 7乃至 1 0のいずれかに 記載のトレーラ等の操舵装置において、 前記 V字型連結バーに上下方向に伸縮可 能な補助脚を設け、 前記トラクタと前記トレーラの連結又は切り離しの際に、 該 捕助脚により前記 V字型連結バーを支えるようになしたトレーラ等の操舵装置を 提供するものである。  Further, according to the present invention, as described in claim 11, in the steering device such as a trailer according to any one of claims 7 to 10, the V-shaped connecting bar can be vertically extended and contracted with the auxiliary device. Another object of the present invention is to provide a steering device such as a trailer which is provided with a leg and which supports the V-shaped connection bar by the auxiliary leg when connecting or disconnecting the tractor and the trailer.
本発明によれば、 V字型連結バーに上下方向に伸縮可能な補助脚を設け、 トラ クタとトレーラを連結又は切り離しの際に、 補助脚により V字型連結バーを支え るようにしてあるから、 V字型連結バーの連結又は切り離し作業を容易かつ円滑 に行うことができる。  According to the present invention, the V-shaped connecting bar is provided with an auxiliary leg that can expand and contract in the vertical direction, and the V-shaped connecting bar is supported by the auxiliary leg when connecting or disconnecting the tractor and the trailer. Accordingly, the work of connecting or disconnecting the V-shaped connecting bar can be performed easily and smoothly.
また、 本発明は、 請求項 1 2に記載のように、 請求項 7乃至 1 1のいずれかに 記載のトレーラ等の操舵装置において、 前記 V字型連結バーを前記トラクタに連 結する際に、 前記 V字型連結バーの連結位置を調整する連結調整手段を設け、 該 連結調整手段を遠隔操作するようになしたトレーラ等の操舵装置を提供するもの である。  Further, according to the present invention, as described in claim 12, in the steering apparatus such as a trailer according to any one of claims 7 to 11, when connecting the V-shaped connecting bar to the tractor, The present invention also provides a steering device such as a trailer, which is provided with connection adjusting means for adjusting a connection position of the V-shaped connection bar, and which remotely controls the connection adjusting means.
本発明によれば、 V字型連結バーの連結位置を調整する連結調整手段を設け、 連結調整手段を遠隔操作するようにしてあるから、 トラクタとトレーラの連結作 業を容易かつ円滑に行うことができる。 According to the present invention, the connection adjustment means for adjusting the connection position of the V-shaped connection bar is provided, and the connection adjustment means is remotely operated. Work can be performed easily and smoothly.
また、 本発明は、 請求項 1 3に記載のように、 請求項 1乃至 6のいずれかに記 載のトレーラ等の操舵装置において、 前記トレーラ前部に、 2本の連結バーを回 転可能に設け、 該連結バーを互いに交差させて前記トラクタ後部に着脱自在に連 結してなるトレーラ等の操舵装置を提供するものである。  Further, according to the present invention, as described in claim 13, in the steering device such as the trailer according to any one of claims 1 to 6, two connecting bars can be rotated at the front of the trailer. And a steering device such as a trailer which is detachably connected to the rear part of the tractor by intersecting the connecting bars with each other.
本発明によれば、 連結バーを交差させてトラクタとトレ ラを連結してあるか ら、 トラクタの旋回時にトラクタとトレーラの交差角を変化させ、 小回りをきか せることができる。  According to the present invention, since the tractor and the trailer are connected by crossing the connecting bar, the crossing angle between the tractor and the trailer can be changed when the tractor turns, thereby making it possible to make a small turn.
また、 本発明は、 請求項 1 4に記載のように、 請求項 1 3に記載のトレーラ等 の操舵装置において、 前記連結バーを前記トレーラ前部に格納するようになした トレーラ等の操舵装置を提供するものである。  Further, according to the present invention, as set forth in claim 14, in the steering device such as the trailer according to claim 13, the steering device such as a trailer configured to store the connection bar in a front portion of the trailer. Is provided.
本発明によれば、連結バーを前記トレーラ前部に格納するようにしてあるから、 トレーラをトラクタに連結してないとき、 例えば、 トレーラ単独での走行時、 駐 車時において連結バーが邪魔にならないようにトレーラ前部に格納することがで きる。  According to the present invention, since the connecting bar is stored in the front part of the trailer, when the trailer is not connected to the tractor, for example, when the trailer is running alone, or when the vehicle is parked, the connecting bar is in the way. It can be stored at the front of the trailer so that it does not become dull.
また、 本発明は、 請求項 1 5に記載のように、 請求項 1乃至 1 4のいずれかに 記載のトレーラ等の操舵装置において、 前記トレーラとしてトラック、 バス、 乗 用車、 軽自動車等の自走車及び前操舵軸型トレーラを使用し、 操舵手段が前記自 走車の操舵輪を操舵するようになしたトレーラ等の操舵装置を提供するものであ る。  Further, the present invention provides a steering apparatus such as a trailer according to any one of claims 1 to 14, wherein the trailer is a truck, a bus, a passenger car, a mini car, or the like. An object of the present invention is to provide a steering device such as a trailer using a self-propelled vehicle and a front steered shaft type trailer, wherein the steering means steers the steered wheels of the self-propelled vehicle.
本発明によれば、 自走車をトレーラとして使用でき、 操舵手段により自走車の 操舵輪を操舵することができる。  According to the present invention, the self-propelled vehicle can be used as a trailer, and the steered wheels of the self-propelled vehicle can be steered by the steering means.
また、 本発明は、 請求項 1 6に記載のように、 請求項 1乃至 1 5のいずれかに 記載のトレーラ等の操舵装置において、 前記トラクタに複数台の前記トレーラを 連結してなるトレーラ等の操舵装置を提供するものである。  Further, according to the present invention, as set forth in claim 16, in the steering device such as the trailer according to any one of claims 1 to 15, a trailer or the like obtained by connecting a plurality of the trailers to the tractor. Is provided.
本発明によれば、 トラクタに複数台のトレーラを連結することができ、 積載効 率の向上、 運賃の低減、 省燃費、 省人化を図ることができる。  ADVANTAGE OF THE INVENTION According to this invention, multiple trailers can be connected to a tractor, and the improvement of loading efficiency, reduction of a fare, fuel saving, and labor saving can be achieved.
発明の効果  The invention's effect
本発明に係るトレーラ等の操舵装置によれば、 請求項 1に記載のように、 前操 舵型トレーラの前部操舵輪の近傍に操舵手段を設けた前操舵型トレーラと、 前操 舵型トレーラを牽引するトラクタとの間に、 該トラクタの操舵に伴ってトラクタ と前記トレーラの間に生じる距離の遠近変動を前記操舵手段に伝達する遠近伝達 手段を設け、 トラクタの操舵に連動してトレーラの操舵方向を制御するようにし た構成を有することにより、 トラクタとトレーラの間に生じる距離の遠近変動を 遠近伝達手段により操舵手段に伝達することにより、 簡単な機械的構造で確実に トラクタの操舵に伴ってトレーラを操舵することができる効果がある。 According to a steering apparatus such as a trailer according to the present invention, as described in claim 1, a front steering type trailer provided with steering means near a front steered wheel of the front steering type trailer; A perspective transmission means for transmitting, to the steering means, a perspective variation in the distance between the tractor and the trailer in accordance with the steering of the tractor, between the tractor and the tractor for towing the trailer; With the configuration that controls the steering direction of the vehicle, the perspective variation of the distance between the tractor and the trailer is transmitted to the steering means by the perspective transmission means, so that it can be reliably achieved with a simple mechanical structure. There is an effect that the trailer can be steered along with the steering of the tractor.
また、 本発明は、 請求項 2に記載のように、 請求項 1に記載のトレーラ等の操 舵装置において、 前記遠近伝達手段が、 前記トレーラ前部に設けた支点部を中心 に回転自在に設けた梃部材と、 該梃部材の原動部に連結して前記トラクタ後部に 着脱自在に設けたリンクロッドとからなり、 前記梃部材の従動部に前記操舵手段 の作動部を連結して、 トレーラの操舵方向を制御するようにしてある構成を有す ることにより、 遠近伝達手段が梃部材、 リンクロッドからなるので、 従来の操舵 装置よりも構造が簡素で、 材料費等のコス トを低減することができ、 トラクタと トレーラの連結及び切り離し作業を容易に行うことができる効果がある。  According to a second aspect of the present invention, as set forth in the second aspect, in the steering device such as the trailer according to the first aspect, the perspective transmission means is rotatable around a fulcrum provided at a front portion of the trailer. A lever member provided, and a link rod connected to a driving portion of the lever member and detachably provided at a rear portion of the tractor, and an operating portion of the steering means is connected to a driven portion of the lever member, and a trailer is provided. With the configuration that controls the steering direction of the vehicle, the perspective transmission means is composed of lever members and link rods, so the structure is simpler than the conventional steering system and the cost such as material cost is reduced. This makes it possible to easily connect and disconnect the tractor and trailer.
また、 本発明は、 請求項 3に記載のように、 請求項 1又は 2に記載のトレーラ 等の操舵装置において、 前記原動部に設けた回転角センサーが前記リンク口ッド の回転角変位を検出して、 トレーラの操舵方向を制御するようになした構成を有 することにより、 回転角センサーの検出信号に基づいて、 操舵手段を操舵するか ら従来の操舵装置よりも構造が簡素で、材料費等のコストを低減することができ、 トラクタとトレーラの連結及び切り離し作業を容易に行うことができ、 容易且つ 円滑にトレーラを操舵することができる効果がある。  Further, according to the present invention, as described in claim 3, in the steering device such as the trailer according to claim 1 or 2, a rotation angle sensor provided in the driving unit detects a rotation angle displacement of the link port. By adopting a configuration that detects and controls the steering direction of the trailer, the steering means is steered based on the detection signal of the rotation angle sensor, so the structure is simpler than the conventional steering device. This has the effect of reducing costs such as material costs, facilitating the connection and disconnection of the tractor and trailer, and enabling easy and smooth steering of the trailer.
また、 本発明は、 請求項 4に記載のように、 請求項 1、 2又は 3に記載のトレ ーラ等の操舵装置において、 前記遠近伝達手段に前記前部操舵輪の切れ角が規定 値以上になると作動する警告手段を設けてなる構成を有することにより、 トラク タの運転者が前部操舵輪の切れ角の規定値以上になつたことを知ることができ、 トレーラの横転等の事故を未然に防止することができる効果がある。  Further, according to the present invention, as set forth in claim 4, in the steering device such as the trailer according to claim 1, 2, or 3, the turning angle of the front steered wheels is set to a predetermined value in the perspective transmission means. By providing a warning device that activates when the above occurs, the driver of the tractor can know that the turning angle of the front steered wheels has exceeded the specified value, and an accident such as a trailer rollover has occurred. Has the effect of being able to prevent the problem beforehand.
また、 本発明は、 請求項 5に記載のように、 請求項 4に記載のトレーラ等の操 舵装置において、 前記前部操舵輪の切れ角が規定値未満の状態で、 前記警告手段 が作動するのを阻止する警告手段の誤作動阻止手段を設けてなる構成を有するこ とにより、 前部操舵輪の切れ角が規定値未満の状態で、 トラクタ 3とトレーラ 1 の連結車が道路の段差、 あるいは、 平坦な道路から急な勾配のある道路に入る際 などの突発的な衝搫を受けて、 遠近伝達手段が瞬間的に遠近変動して前記警告手 段が作動し、 例えば、 運転者に停止するように警告することを阻止することがで きる効果がある。 Further, according to the present invention, as set forth in claim 5, in the steering apparatus such as a trailer according to claim 4, the warning means is activated when the turning angle of the front steered wheels is less than a specified value. The tractor 3 is connected to the trailer 1 when the steering angle of the front steered wheels is less than the specified value. In response to a sudden impact, such as when entering a steeply sloping road from a flat road, the perspective transmission means momentarily fluctuates, and the warning means is activated. Can be prevented from warning you to stop There is a clear effect.
また、 本発明は、 請求項 6に記載のように、 請求項 1乃至 5のいずれかに記載 のトレーラ等の操舵装置において、 前記遠近伝達手段を前記トレーラ前部に格納 するようにしてある構成を有することにより、 トレーラをトラクタに連結してな いとき、 例えば、 トレーラ単独での走行時や駐車時において遠近伝達手段が邪魔 にならないようにトレーラ前部に格納することができる効果がある。  According to a sixth aspect of the present invention, there is provided a steering apparatus such as a trailer according to any one of the first to fifth aspects, wherein the perspective transmission unit is stored in a front part of the trailer. With this configuration, when the trailer is not connected to the tractor, for example, when the trailer alone is traveling or parked, it is possible to store the trailer in the front part of the trailer so as not to be in the way.
また、 本発明は、 請求項 7に記載のように、 請求項 1乃至 6のいずれかに記載 のトレーラ等の操舵装置において、 前記トレーラ前部に、 前記トラクタ後部と連 結する開閉式の V字型連結バーを設け、 該 V字型連結バーに設けた開閉軸に横方 向に伸縮する伸縮手段を設け、 該伸縮手段により前記開閉軸を外向き又は内向き に拡大又は縮小することによって、 前記 V字型連結バーの縦幅を変化させるよう にしてある構成を有することにより、 トラクタとトレーラの連結時に、 トラクタ とトレーラの連結間隔を調整することができ、 従来の操舵装置よりもトラクタ.と トレーラの連結及び切り離し作業を容易に行うことができる効果がある。  According to a seventh aspect of the present invention, there is provided the steering apparatus for a trailer or the like according to any one of the first to sixth aspects, wherein the front and rear portions of the trailer include an open / close type V that is connected to the rear of the tractor. A V-shaped connecting bar is provided, and an open / close shaft provided on the V-shaped connecting bar is provided with expansion / contraction means that expands / contracts in the lateral direction. The expansion / contraction means expands or contracts the open / close axis outward or inward. By having a configuration in which the vertical width of the V-shaped connection bar is changed, the connection interval between the tractor and the trailer can be adjusted when the tractor and the trailer are connected, and the tractor can be adjusted more than the conventional steering device. There is an effect that the work of connecting and disconnecting the trailer can be easily performed.
また、 本発明は、 請求項 8に記载のように、 請求項 7に記載のトレーラ等の操 舵装置において、 前記伸縮手段により前記 V字型連結バーを前記トレーラ前部に 格納するようにしてある構成を有することにより、 トレーラをトラクタに連結し てないとき、 例えば、 トレーラ単独での走行時、 駐車時において V字型連結バー が邪魔にならないようにトレーラ前部に格納することができる効果がある。  Further, according to the present invention, as described in claim 8, in the steering device such as a trailer according to claim 7, the V-shaped connecting bar is stored in the front part of the trailer by the expansion / contraction means. With this configuration, the V-shaped connection bar can be stored in the front of the trailer when the trailer is not connected to the tractor, for example, when traveling with the trailer alone or when parking. effective.
また、 本発明は、 請求項 9に記載のように、 請求項 1乃至 6のいずれかに記載 のトレーラ等の操舵装置において、 前記トレーラ前部に、 前記トラクタ後部と連 結する 2重折り式の V字型連結パーを前記トレーラ前部に設けた軸に上下動可能 に設け、 該 V字型連結パーの中央部に、 前記 V字型連結バーを 2つに折り畳むた めの折り軸を設け、 前記 V字型連結バーを前記折り軸及び前記軸を中心に 2重に 折り畳んで、 前記トレーラ前部に格納するようにしてある構成を有することによ り、 トレーラ単独での走行時、 駐車時において V字型連結バーが邪魔にならない ようにトレーラ前部に格納することができ、 また、 従来の操舵装置よりも構造が 簡素で、 材料費等のコストを低減すると共にトラクタとトレーラの連結及ぴ切り 離し作業を容易に行うことができる効果がある。  Further, according to the present invention, as set forth in claim 9, in the steering device such as the trailer according to any one of claims 1 to 6, a double-folding type that is connected to the rear of the tractor at the front of the trailer. The V-shaped connection par is provided on a shaft provided at the front of the trailer so as to be able to move up and down, and a folding shaft for folding the V-shaped connection bar into two is provided at the center of the V-shaped connection par. When the trailer alone travels, the V-shaped connection bar is double-folded around the folding shaft and the shaft and stored in the front of the trailer. It can be stored in the front of the trailer so that the V-shaped connecting bar does not get in the way when parking.It has a simpler structure than conventional steering devices, reduces material costs and other costs, and also reduces the cost of the tractor and trailer. Connect and disconnect work There is an effect that can be done to.
また、 本発明は、 請求項 1 0に記載のように、 請求項 9に記載のトレーラ等の 操舵装置において、 前記 V字型連結バーを展開状態で保持する保持手段を前記折 り軸に設けてなる構成を有することにより、 展開状態で、 V字型連結バーが折れ 曲がることなく展開状態を保つことができる効果がある。 また、 本発明は、 請求項 1 1に記載のように、 請求項 7乃至 1 0のいずれかに 記載のトレーラ等の操舵装置において、 前記 V字型連結バーに上下方向に伸縮可 能な補助脚を設け、 前記トラクタと前記トレーラの連結又は切り離しの際に、 該 補助脚により前記 V字型連結バーを支えるようにしてある構成を有することによ り、 V字型連結バーの連結又は切り離し作業を容易かつ円滑に行うことができる 効果がある。 According to a tenth aspect of the present invention, in the steering device such as a trailer according to the ninth aspect, a holding means for holding the V-shaped connection bar in an expanded state is provided on the folding shaft. With such a configuration, there is an effect that the deployed state can be maintained without the V-shaped connecting bar being bent in the deployed state. Further, according to the present invention, as described in claim 11, in the steering device such as a trailer according to any one of claims 7 to 10, the V-shaped connecting bar can be vertically extended and contracted with the auxiliary device. A leg is provided, and when connecting or disconnecting the tractor and the trailer, the auxiliary leg supports the V-shaped connecting bar, thereby connecting or disconnecting the V-shaped connecting bar. This has the effect that work can be performed easily and smoothly.
また、 本発明は、 請求項 1 2に記載のように、 請求項 7乃至 1 1のいずれかに 記載のトレーラ等の操舵装置において、 前記 V字型連結バーを前記トラクタに連 結する際に、 前記 V字型連結バーの連結位置を調整する連結調整手段を設け、 該 連結調整手段を遠隔操作するようにしてある構成を有することにより、 トラクタ とトレーラの連結作業を容易かつ円滑に行うことができる効果がある。  Further, according to the present invention, as described in claim 12, in the steering apparatus such as a trailer according to any one of claims 7 to 11, when connecting the V-shaped connecting bar to the tractor, A connection adjusting means for adjusting the connection position of the V-shaped connection bar is provided, and the connection adjustment means is remotely operated, so that the work of connecting the tractor and the trailer can be performed easily and smoothly. There is an effect that can be.
また、 本発明は、 請求項 1 3に記載のように、 請求項 1乃至 6のいずれかに記 載のトレーラ等の操舵装置において、 前記トレーラ前部に、 2本の連結バーを回 転可能に設け、 該連結バーを互いに交差させて前記トラクタ後部に着脱自在に連 結してなる構成を有することにより、 トラクタの旋回時にトラクタとトレーラの 交差角を変化させ、 小回りをきかせることができる効果がある。  Further, according to the present invention, as described in claim 13, in the steering device such as the trailer according to any one of claims 1 to 6, two connecting bars can be rotated at the front of the trailer. And the connecting bar is crossed with each other and detachably connected to the rear part of the tractor, whereby the crossing angle between the tractor and the trailer can be changed when the tractor turns, and the small turning can be effected. There is.
また、 本発明は、 請求項 1 4に記載のように、 請求項 1 3に記載のトレーラ等 の操舵装置において、 前記連結バーを前記トレーラ前部に格納するようにしてあ る構成を有することにより、 トレーラをトラクタに連結してないとき、 例えば、 トレーラ単独での走行時、 駐車時において連結バーが邪魔にならないようにトレ ーラ前部に格納することができる効果がある。  Further, the present invention as described in claim 14, in the steering device such as the trailer according to claim 13, having a configuration in which the connecting bar is stored in the front part of the trailer. Therefore, when the trailer is not connected to the tractor, for example, when the trailer is traveling alone or parked, there is an effect that the connecting bar can be stored in the front of the trailer so as not to be in the way.
また、 本発明は、 請求項 1 5に記載のように、 請求項 1乃至 1 4のいずれかに 記載のトレーラ等の操舵装置において、 前記トレーラとしてトラック、 バス、 乗 用車、 軽自動車等の自走車及び前操舵軸型トレーラを使用し、 操舵手段が前記自 走車の操舵輪を操舵するようにしてある構成を有することにより、 自走車をトレ ーラとして使用でき、 操舵手段により自走車の操舵輪を操舵することができる効 果がある。  Further, the present invention provides a steering apparatus such as a trailer according to any one of claims 1 to 14, wherein the trailer is a truck, a bus, a passenger car, a mini car, or the like. The self-propelled vehicle can be used as a trailer by using a self-propelled vehicle and a front steered shaft type trailer, and the steering means steers the steered wheels of the self-propelled vehicle. This has the effect that the steered wheels of the self-propelled vehicle can be steered.
また、 本発明は、 請求項 1 6に記載のように、 請求項 1乃至 1 5のいずれかに 記載のトレーラ等の操舵装置において、 前記トラクタに複数台の前記トレーラを 連結してなる構成を有することにより、 トラクタに複数台のトレーラを連結する ことができ、 積載効率の向上、 運賃の低減、 省燃費、 省人化を図ることができる 効果がある。  Further, the present invention provides a steering device such as a trailer according to any one of claims 1 to 15, wherein a plurality of the trailers are connected to the tractor. By having this, multiple trailers can be connected to the tractor, which has the effect of improving loading efficiency, reducing freight costs, saving fuel, and saving manpower.
図面の簡単な説明  Brief Description of Drawings
図 1 本発明装置の一実施例の要部を示す概略平面説明図。  FIG. 1 is a schematic plan explanatory view showing a main part of an embodiment of the device of the present invention.
図 2 その他の実施例の要部を示す概略平面説明図。 図 3 その要部を示す概略側面説明図。 FIG. 2 is a schematic plan view showing a main part of another embodiment. Fig. 3 is a schematic side view showing the main part.
図 4 その他の実施例の要部を示す概略平面説明図。 ·  FIG. 4 is a schematic plan view showing a main part of another embodiment. ·
図 5 図 4の要部の概略側面説明図。  FIG. 5 is a schematic side view of a main part of FIG.
図 6 その実施例の要部を示す一部縦断面説明図。  FIG. 6 is a partial longitudinal sectional explanatory view showing a main part of the embodiment.
図 6 a その他の実施例の要部を示す一部縦断面説明図。  FIG. 6a is a partial longitudinal sectional explanatory view showing a main part of another embodiment.
図 6 b その実施例の要部の他の作動態様を示す一部縦断面説明図。  FIG. 6b is a partial longitudinal sectional explanatory view showing another operation mode of the main part of the embodiment.
図 6 c その実施例の要部の他の作動態様を示す一部縦断面説明図。  FIG. 6c is a partial vertical cross-sectional explanatory view showing another operation mode of the main part of the embodiment.
図 7 その他の実施例の要部を示す概略斜視説明図。  FIG. 7 is a schematic perspective explanatory view showing a main part of another embodiment.
図 8 その要部の他の実施態様の概略斜視説明図。  FIG. 8 is a schematic perspective explanatory view of another embodiment of the main part.
図 9 他の実施例の要部を示す概略平面説明図。  FIG. 9 is a schematic plan view showing a main part of another embodiment.
図 1 0 その要部を示す概略側面説明図。  FIG. 10 is a schematic side view showing the main part.
図 1 1 他の実施例の要部を示す概略斜視説明図。  FIG. 11 is a schematic perspective explanatory view showing a main part of another embodiment.
図 1 2 その要部の他の実施態様を示す概略斜視説明図。  FIG. 12 is a schematic perspective explanatory view showing another embodiment of the main part.
図 1 3 その他の実施例の要部を示す概略平面説明図。  FIG. 13 is a schematic plan view showing the main part of another embodiment.
図 1 4 その要部を示す概略平面説明図。  FIG. 14 is a schematic plan view showing the main part.
図 1 5 その他の実施例を示す概略側面説明図。  FIG. 15 is a schematic side view showing another embodiment.
図 1 6 他の実施例の要部を示す概略斜視説明図。  FIG. 16 is a schematic perspective explanatory view showing a main part of another embodiment.
図 1 7 その要部の他の実施態様を示す概略斜視説明図。  FIG. 17 is a schematic perspective explanatory view showing another embodiment of the main part.
図 1 8 その他の実施例の要部を示す概略平面説明図。  FIG. 18 is a schematic plan explanatory view showing a main part of another embodiment.
図 1 9 その要部を示す概略側面説明図。  Figure 19 Schematic side view showing the main part.
図 2 0 その実施例の要部を示す概略平面説明図。  FIG. 20 is a schematic plan view showing a main part of the embodiment.
図 2 1 その他の実施例を示す概略説明図。  FIG. 21 is a schematic explanatory view showing another embodiment.
図 2 2 その他の実施例を示す概略説明図。  FIG. 22 is a schematic explanatory view showing another embodiment.
図 2 3 その他の実施例を示す概略説明図。  FIG. 23 is a schematic explanatory view showing another embodiment.
発明を実施するための最良の形態  BEST MODE FOR CARRYING OUT THE INVENTION
以下図示する実施例により、 本発明に係るトレーラ等の連結装置の実施の形態 を説明する。  Hereinafter, an embodiment of a connecting device such as a trailer according to the present invention will be described with reference to the illustrated embodiment.
図示する実施例の場合、 トレーラ 1を操能する操舵手段をトレーラ 1の前部操 舵輪 2の近傍に設けてあり、 トレーラ 1をトラクタ 3で牽引して、 このトラクタ 3の操舵に伴って、 トラクタ 3とトレーラ 1の間に生じる距離の遠近変動を操舵 手段に伝達する遠近伝達手段を、 トラクタ 3後部とトレーラ 1前部との間に設け、 トラクタ 3の操舵に連動してトレーラ 1の操舵方向を制御するようにしてある。 上記実施例では、 操舵手段が、 前部操舵輪 2を連動させる操舵軸 1 1と、 操舵 輪 2の内側で、 操舵軸 1 1と軸 1 3を介して回動自在に連結してあるナックルァ ーム 1 2と、 ナックルアーム 1 2の一端と軸 1 4を介して回動自在に連結したド ラックリンク 1 5と、 前操舵型トレーラ 1前部に設けたステアリングギヤボック ス 5 6の回転軸 2 5から下方に回動自在に設けた.ドロップアーム 2 4とからな り、 ドラックリンク 1 5とドロップアーム 2 4は、 軸 2 7で回動自在に連結して ある。 In the illustrated embodiment, a steering means for operating the trailer 1 is provided in the vicinity of the front steering wheel 2 of the trailer 1, and the trailer 1 is towed by the tractor 3, and with the steering of the tractor 3, Perspective transmission means for transmitting the perspective variation of the distance between the tractor 3 and the trailer 1 to the steering means is provided between the rear of the tractor 3 and the front of the trailer 1, and the trailer 1 is steered in conjunction with the steering of the tractor 3. The direction is controlled. In the above embodiment, the steering means is a steering shaft 11 for interlocking the front steering wheel 2 and a knuckle rotatably connected to the steering shaft 11 and the shaft 13 inside the steering wheel 2. Arm 12 and one end of the knuckle arm 12 that is rotatably connected via a shaft 14 A rack link 15 and a drop arm 24 are provided rotatably below the rotation shaft 25 of the steering gear box 56 provided in front of the front steerable trailer 1. And the drop arm 24 are rotatably connected by a shaft 27.
また、 図 1、 図 7乃至図 1 3、 図 1 6乃至図 1 9に記載の実施例において、 遠 近伝達手段は、 トレーラ 1前部に設けた支点部 4を中心に回転自在に設けた梃部 材 5と、 該梃部材 5の原動部 6に連結してトラクタ 3後部に着脱自在に設けたリ ンクロッド 7と力 らなり、 ドロップアーム 2 4の軸 2 8に設けたアイドラレバー 2 6を梃部材 5の従動部 8に作動部として連結し、 トラクタ 3とトレーラ 1の間 に生じる距離の遠近変動を前記操舵手段に伝達するようにしてある。  In the embodiments described in FIGS. 1, 7 to 13 and FIGS. 16 to 19, the perspective transmission means is provided rotatably about a fulcrum 4 provided at the front of the trailer 1. An idler lever 26 provided on the shaft 28 of the drop arm 24 consists of a lever member 5 and a link rod 7 which is connected to the driving portion 6 of the lever member 5 and is detachably provided at the rear of the tractor 3. Is connected to a driven portion 8 of a lever member 5 as an operating portion so that a variation in distance between the tractor 3 and the trailer 1 is transmitted to the steering means.
また、 図 2、 図 4に記載の実施例の場合、 前部操舵輪 2の切れ角が規定値以上 になると作動する警告手段として、 上記実施例のリンクロッド 7の代わりにロッ ク式リンクロッド 1 0を設けてある。  Also, in the case of the embodiment shown in FIGS. 2 and 4, as a warning means which is activated when the turning angle of the front steered wheels 2 exceeds a specified value, a lock type link rod is used instead of the link rod 7 of the above embodiment. 10 is provided.
図 6に記載の実施例の場合、 ロック式リンクロッド 1 0は、 原動部 6に回動自 在に連結した水平シリンダ部 1 7と、 トラクタ 3後部に設けたポール型フック 9 に回動自在かつ着脱自在に設けたスライドシャフト 1 6とからなり、 該スライド シャフト 1 6を、 水平シリンダ部 1 7に揷入し、 水平シリンダ部 1 7に余剰空間 2 9を設けて嵌合してある。 また、 水平シリンダ部 1 7内部でスライドシャフト 1 6を固定するために溝 1 9をスライドシャフト 1 6先端部に設けてあり、 水平 シリンダ部 1 7の中央部に、 上方に向かって垂直シリンダ部 1 8を設けてある。 また、 水平シリンダ部 1 7と垂直シリンダ部 1 8は内部で連通してあり、 垂直 シリンダ部 1 8から下方に向かってボール 2 0が溝 1 9に押圧してある。 このポ ール 2 0を押圧する手段は、 垂直シリンダ部 1 8内部に設けたパネ 2 2と、 該バ ネ 2 2により押出される押圧部材 2 3であり、 スライドシャフト 1 6は、 この手 段により上方から押圧されて水平シリンダ内部に固定されている。  In the case of the embodiment shown in FIG. 6, the lock type link rod 10 is rotatable to the horizontal cylinder part 17 which is connected to the driving part 6 by rotation and the pole type hook 9 provided at the rear of the tractor 3. The slide shaft 16 is detachably provided. The slide shaft 16 is inserted into the horizontal cylinder portion 17, and an extra space 29 is provided in the horizontal cylinder portion 17. A groove 19 is provided at the tip of the slide shaft 16 to fix the slide shaft 16 inside the horizontal cylinder 17, and a vertical cylinder is provided at the center of the horizontal cylinder 17. 18 is provided. The horizontal cylinder part 17 and the vertical cylinder part 18 are internally connected, and the ball 20 is pressed from the vertical cylinder part 18 downward into the groove 19. The means for pressing the pole 20 is a panel 22 provided inside the vertical cylinder portion 18 and a pressing member 23 pushed out by the panel 22. The slide shaft 16 is It is pressed from above by the step and fixed inside the horizontal cylinder.
上記実施例では、 前部操舵輪 2の切れ角が規定値以上になった場合、 ロック式 リンクロッド 1 0の水平方向に大負荷がかかり、 スライドシャフト 1 6がスライ ドすると同時に、 溝 1 9に嵌合されていたボール 2 0が溝 1 9に押し出されて上 方に移動し、 押圧部材 2 3を垂直シリンダ部 1 8の上方に移動させるようにして ある。 この押圧部材 2 3の上昇により、 垂直シリンダ部 1 8上部に設けた変位セ ンサー 2 1が押圧部材 2 3の支持部 3 0の上昇変位を認識すると、 運転者に前部 操舵輪 2の切れ角が規定値以上になったことを警告するようにしてある。 In the above embodiment, when the turning angle of the front steering wheel 2 exceeds a specified value, a large load is applied to the locking type link rod 10 in the horizontal direction, and the slide shaft 16 slides and the groove 19 simultaneously. The ball 20 fitted into the groove is pushed out of the groove 19 and moves upward, so that the pressing member 23 is moved above the vertical cylinder portion 18. As the pressure member 23 rises, the displacement center provided above the vertical cylinder 18 is displaced. When the sensor 21 recognizes the rising displacement of the support portion 30 of the pressing member 23, the driver is warned that the steering angle of the front steered wheel 2 has become a specified value or more.
また、 図 6 a乃至図 6 cに記載の実施例では、 トラクタ 3とトレーラ 1の連結 車が道路の段差、 あるいは、 平坦な道路から急な勾配のある道路に入る際などの 突発的な衝撃により、 ロック式リンクロッド 1 0のポール 2 0及び押圧部材 2 3 に過大負荷が生じ、 変位センサー 2 1が、 前部操舵輪 2の切れ角が規定値未満で あるにもかかわらず、 前記警告手段が作動するのを阻止する誤作動阻止手段 8 8 を、 水平シリンダ部 1 7下部に設けてあり、 変位センサー 2 1が該過大負荷によ り、 誤認しないように構成してある。  In addition, in the embodiment shown in FIGS. 6a to 6c, a sudden impact such as when a connected vehicle of the tractor 3 and the trailer 1 enters a step on a road or a steep road from a flat road. As a result, an excessive load is applied to the pole 20 and the pressing member 23 of the lock-type link rod 10, and the displacement sensor 21 issues the warning even though the turning angle of the front steered wheel 2 is less than the specified value. Malfunction preventing means 88 for preventing the means from operating is provided below the horizontal cylinder portion 17, and the displacement sensor 21 is configured so as not to be mistaken for the overload.
上記実施例の場合、 誤作動阻止手段 8 8は、 支点部 4を中心に回動する梃部材 5の下端部に設けたピボット 8 4に回動自在に連結した口ッド 8 5と、 該ロッド 8 5の連結部 8 6を介して回動自在に連結し、 水平シリンダ部 1 7下部に一体に 設けたシリンダ部 8 9内にスライド自在に設けたスライド式カム 8 7と、 該スラ ィド式カム 8 7上面を滑るボール 9 1とからなり、 該ボール 9 1は、 ポール 2 0 と略同形状であり、 スライド式カム 8 7の突出カム部 9 0により、 水平シリンダ 部 1 7の下開口部 9 2力、ら、 スライドシャフト 1 6の溝 1 9に嵌合するように構 成してある。  In the case of the above embodiment, the malfunction prevention means 88 is provided with a mouth 85 pivotally connected to a pivot 84 provided at the lower end of a lever member 5 rotating about the fulcrum 4, A slide cam 87, which is rotatably connected via a connecting portion 86 of the rod 85, and is slidably provided in a cylinder portion 89 integrally provided below the horizontal cylinder portion 17, and a slide And a ball 91 that slides on the upper surface of the horizontal cam portion 87. The ball 91 has substantially the same shape as the pole 20. The lower opening 92 is configured to fit into the groove 19 of the slide shaft 16.
図 6 aに記載の実施例では、 ロック式リンクロッド 1 0及び梃部材 5は、 中立 状態 A— A、 即ち、 前部操舵輪 2の切れ角が規定値未満の状態にあって、 ボール 9 1は、 スライ ド式カム 8 7の突出カム部 9 0上にあり、 該ポーノレ 9 1は、 下開 口部 9 2を連通して、 溝 1 9に嵌合しており、 スライ ドシャフト 1 6を水平シリ ンダ部 1 7に固定した状態にある。  In the embodiment shown in Fig. 6a, the lock type link rod 10 and the lever member 5 are in the neutral state A-A, that is, when the turning angle of the front steered wheel 2 is less than the specified value, and the ball 9 1 is on the protruding cam portion 90 of the slide cam 87, and the ponole 91 communicates with the lower opening portion 92 to fit into the groove 19, and the slide shaft 16 Is fixed to the horizontal cylinder 17.
この状態で、 連結車が道路の段差、 あるいは、 平坦な道路から急な勾配のある 道路に入る際などの突発的な衝撃により、 ロック式リンクロッド 1 0のボール 2 0及び押圧部材 2 3に過大負荷が生じても、 スライドシャフト 1 6は、 下方から ポール 9 1により、 固定されている為、 押圧部材 2 3の上昇による変位センサー 2 1の誤認検出を防止することができる。  In this state, a sudden impact such as when the connected vehicle enters a steep road from a flat road or a flat road causes the ball 20 and the pressing member 23 of the lock type link rod 10 to hit. Even if an excessive load occurs, the slide shaft 16 is fixed from below by the poles 91, so that it is possible to prevent the displacement sensor 21 from being erroneously detected due to the lifting of the pressing member 23.
図 6 b、 図 6 cに記載の作動態様では、 前部操舵輪 2の切れ角が規定値以上の 状態であり、 ロック式リンクロッド 1 0及ぴ梃部材 5は、 図 6 bの接近状態 B— B又は、 図 6 cの離反状態 C一 Cにあり、 ボール 9 1は、 中立状態 A— Aから、 スライド式カム 8 7の水平移動により、 突出カム部 9 0上から左又は右方向に滑 り、 スライ ド式カム 8 7の左平面部 9 3又は、 右平面部 9 4上に滑り下り、 溝 1 9の嵌合状態を離脱して下方に移動する構成にしてある。 In the operation modes shown in FIGS.6b and 6c, the turning angle of the front In this state, the lock type link rod 10 and the lever member 5 are in the approaching state B—B in FIG. 6B or the separated state C-C in FIG. 6C, and the ball 91 is in the neutral state A—A , Slides leftward or rightward from the top of the protruding cam 90 by sliding the cam 87, and slides down on the left flat 93 or the right flat 94 of the slide cam 87. The groove 19 is disengaged from the fitted state and moves downward.
したがって、 上記嵌合状態の溝 1 9とポール 9 1との離脱時には、 溝 1 9とボ ール 2 0との嵌合状態が維持できなくなり、 溝 1 9によりポール 2 0が上方に押 出され、 押圧部材 2 3が上方に移動し、 変位センサー 2 1が規定値以上になった ことを認識することができる。  Therefore, when the groove 19 and the pole 91 in the above-mentioned fitted state are separated from each other, the fitted state of the groove 19 and the ball 20 cannot be maintained, and the pole 20 is pushed upward by the groove 19. Then, the pressing member 23 is moved upward, and it can be recognized that the displacement sensor 21 has exceeded the specified value.
また、 図 2及び図 3に記載する実施例の場合、 トラクタ 3の操舵に伴って、 ト ラクタ 3とトレーラ 1の間に生じる交差角変動を検出して、 前記操舵手段に交差 角変動の情報を伝達する交差角検出手段をトレーラ 1前部に設け、 トラクタ 3の 操舵に連動してトレーラ 1の操舵方向を制御するようにしてある。  Further, in the case of the embodiment described in FIGS. 2 and 3, in accordance with the steering of the tractor 3, the intersection angle fluctuation generated between the tractor 3 and the trailer 1 is detected, and the information of the intersection angle fluctuation is transmitted to the steering means. Is provided at the front of the trailer 1 to control the steering direction of the trailer 1 in conjunction with the steering of the tractor 3.
図 2及び図 3に記載の実施例の場合、 交差角検出手段は、 トレーラ 1前部に設 けた図示しない支点部を中心に回転自在に設けた梃部材 8 2と、 該梃部材 8 2の 原動部 8 0に連結してトラクタ 3後部に設けたボール型フック 9に回動自在かつ 着脱自在に設けたロック式リンクロッド 1 0と、 原動部 8 0下部に設けた回転角 センサー 3 1とからなり、 該回転角センサー 3 1がロック式リンクロッド 1 0の 回転角変位を検出し、 ステアリングギヤボックス 5 6上部に設けたステアリング モータ 3 3に、 この検出信号を送信してステアリングモータ 3 3を駆動させ、 ト ラクタ 3の操舵に連動してトレーラ 1の操舵方向を制御するようにしてある。 なお、 原動部 8 0に設けたロック式リンクロッド 1 0の代わりに先の実施例の リンクロッド 7を設けることも可能である。  In the case of the embodiment shown in FIG. 2 and FIG. 3, the intersection angle detecting means comprises a lever member 82 provided rotatably around a fulcrum (not shown) provided at the front of the trailer 1; A lock-type link rod 10 rotatably and detachably provided on a ball-type hook 9 provided at the rear of the tractor 3 connected to the driving unit 80, and a rotation angle sensor 31 provided at the lower part of the driving unit 80. The rotation angle sensor 31 detects the rotation angle displacement of the lock type link rod 10 and transmits this detection signal to the steering motor 33 provided at the upper part of the steering gear box 56 to transmit the detection signal to the steering motor 33. , And the steering direction of the trailer 1 is controlled in conjunction with the steering of the tractor 3. It is also possible to provide the link rod 7 of the previous embodiment instead of the lock type link rod 10 provided in the driving unit 80.
また、 図 2、 図 4に破線で記載したように、 リンクロッド 7又はロック式リン クロッド 1 0を使用しない時は、 ボール型フック 9から先端部を離脱して、 原動 部 6を中心にリンク口ッド 7又は口ック式リンクロッド 1 0を回転させて、 トレ ーラ 1前部に格納するようにしてある。  When the link rod 7 or the lock type link rod 10 is not used, as shown by the broken lines in FIGS. 2 and 4, remove the tip from the ball-shaped hook 9 and link around the prime mover 6. The mouth door 7 or the hook-type link rod 10 is rotated and stored in the front of the trailer 1.
図 7乃至図 1 0に記載の実施例の場合、 トレーラ 1前部に等間隔に自在継手式 に垂直回転軸受 4 3と水平回転軸受 4 2を設け、 該水平回転軸受 4 2に、 トラク タ 3後部の連結フック 3 6と連結する開閉式の V字型連結バー 3 4の開脚端部を 連結すると共に、 該 V字型連結バー 3 4の中間部に開閉軸 3 5を中心に横方向に 伸縮する伸縮手段 4 0を設けてある。 上記実施例の場合、 開閉式の V字型連結バ —3 4は、 それぞれトレーラ 1前部から前方内側向きに設けたメインアーム 3 7 と、 開閉軸 3 5を介して該メインアーム 3 7の先端に設けた互いに先端を交差さ せたサブアーム 3 8とからなり、 トラクタ 3後部に設けた連結フック 3 6に、 サ ブアーム 3 8の交差点に設けたルネッ トアイ 3 9を連結するように構成してあ る。 In the case of the embodiment shown in FIG. 7 to FIG. 10, the universal joint type A vertical rotation bearing 43 and a horizontal rotation bearing 42 are provided on the horizontal rotation bearing 42, and the open / closed V-shaped connecting bar 34 connected to the connection hook 36 at the rear of the tractor 3 is provided on the horizontal rotation bearing 42. At the middle of the V-shaped connecting bar 34, there is provided an expansion / contraction means 40 for expanding and contracting in the horizontal direction about the opening / closing shaft 35. In the case of the above embodiment, the openable / closed V-shaped connecting bar 34 is connected to a main arm 37 provided inward from the front of the trailer 1 forward and to the main arm 37 via an opening / closing shaft 35. It consists of a sub-arm 38 provided at the tip and having the tip crossed with each other. A connecting hook 36 provided at the rear of the tractor 3 is connected to a runet eye 39 provided at the intersection of the sub-arm 38. Yes.
また、 図 7乃至図 1 0に記載の実施例では、 伸縮手段として、 2つの開閉軸 3 5の間に油圧シリンダー 4 0を設け、 水平回転軸 4 2、 開閉軸 3 5及びルネット アイ 3 8を軸として、 油圧シリンダー 4 0により開閉軸 3 5を外向き又は内向き に拡大又は縮小することによって、 V字型連結バー 3 4の縦幅を変化させるよう にしてある。 図 7に記載の実施例では、 油圧シリンダー 4 0が縮小した状態で、 V字型連結バー 3 4の縦幅が最大の状態になっている。 また、 図 8に記載の実施 例では、 油圧シリンダー 4 0が拡張した状態で、 V字型連結バー 3 4の縦幅が最 小の状態になっており、 V字型連結パー 3 4をトレーラ 1前部に格納した状態に なっている。 なお、 油圧シリンダー 4 0により V字型連結バー 3 4の縦幅を調整 することによって、 トラクタ 3とトレーラ 1の車間距離を適宜調整することがで きる。  Further, in the embodiment shown in FIGS. 7 to 10, a hydraulic cylinder 40 is provided between two open / close shafts 35 as an expansion / contraction means, and a horizontal rotary shaft 42, an open / close shaft 35 and a lunette eye 38 are provided. The vertical width of the V-shaped connecting bar 34 is changed by expanding or contracting the opening / closing shaft 35 outward or inward by a hydraulic cylinder 40 with the shaft as a shaft. In the embodiment shown in FIG. 7, the vertical width of the V-shaped connecting bar 34 is at the maximum when the hydraulic cylinder 40 is contracted. In the embodiment shown in FIG. 8, the vertical width of the V-shaped connection bar 34 is minimized with the hydraulic cylinder 40 expanded, and the V-shaped connection par 34 is connected to the trailer. 1 Stored in front. The inter-vehicle distance between the tractor 3 and the trailer 1 can be appropriately adjusted by adjusting the vertical width of the V-shaped connecting bar 34 with the hydraulic cylinder 40.
また、 図 7乃至図 1 0に記載の実施例の場合、 サブアーム 3 8の先端部に、 V 字型連結バー 3 4の垂直方向を支持する上下伸縮可能な補助脚として、 ローラー 脚 5 7が設けてある。 このローラー脚 5 7を用いることによって V字型連結バー 3 4を格納状態から展開状態する際に、 水平方向を支持すると共に連結の高さ位 置を調整して、 容易に連結作業を行うことができる。 また、 この逆の作業をする 場合でも、 同様にローラー脚 5 7を用いて容易に格納作業を行うことができる。 また、 図示しない実施例では、 ローラー脚 5 7を伸縮自在に構成し、 V字型連 結バー 3 4の連結後は、 走行時にローラー脚 5 7が邪魔にならないようにローラ 一脚 5 7の長さを縮小して、 ローラー脚 5 7の下部に設けたローラー部 5 8を地 面から離すように構成してある。  In addition, in the case of the embodiment shown in FIGS. 7 to 10, a roller leg 57 is provided at the tip of the sub arm 38 as a vertically extendable auxiliary leg supporting the V-shaped connecting bar 34 in the vertical direction. It is provided. By using the roller legs 57, when the V-shaped connection bar 34 is expanded from the retracted state, the horizontal direction is supported and the height of the connection is adjusted so that the connection operation can be easily performed. Can be. Also, in the case of performing the reverse operation, the storing operation can be easily performed using the roller legs 57 in the same manner. Also, in the embodiment not shown, the roller legs 57 are configured to be extendable and retractable, and after the V-shaped connection bar 34 is connected, the roller legs 57 are prevented from obstructing during traveling. The length is reduced so that the roller portion 58 provided at the lower portion of the roller leg 57 is separated from the ground.
また、 実施例の場合、 V字型連結バー 3 4の連結位置を調整する連結調整手段 を設け、 V字型連結バー 3 4をトラクタ 3に連結する際に、 該連結調整手段を遠 隔操作するように構成してある。 図 9に記載の実施例では、 連結調整手段として、 電動油圧ポンプ 7 3をパイプ 7 4、 7 5を介して油圧シリンダ 4 0と連結してあり、 垂直回転軸受 4 3を基点 に、 ローラー脚 5 7で支持した V字型連結バー 3 4を、 電動油圧ポンプ 7 3によ り油圧シリンダー 4 0を縮小させて、 格納状態から展開状態に徐々に伸長して、 連結フック 3 6にルネットアイ 3 9を連結するように構成してある。 また、 格納 作業は、 この逆の手順で行うことができるように構成してある。 さらに、 電動油 圧ポンプ 7 3には、 リモートコントロールスィッチ 7 2が設けてあり、 連結作業 の際は、 このリモートコントロールスィツチ 7 2により、 V字型連結バー 3 4の 開閉操作を遠隔操作することが可能である。 In the case of the embodiment, connection adjusting means for adjusting the connecting position of the V-shaped connecting bar 34 is provided, and when connecting the V-shaped connecting bar 34 to the tractor 3, the connecting adjusting means is remotely operated. It is configured to do so. In the embodiment shown in FIG. 9, the electric hydraulic pump 73 is connected to the hydraulic cylinder 40 via pipes 74 and 75 as connection adjusting means. 5 The V-shaped connecting bar 34 supported by 7 is contracted by the electric hydraulic pump 73 to reduce the hydraulic cylinder 40 and gradually extended from the stowed state to the expanded state. 9 are connected. Also, the storage work is configured to be performed in the reverse order. In addition, the electric hydraulic pump 73 is provided with a remote control switch 72, which can be used to remotely open and close the V-shaped connecting bar 34 during connection work. Is possible.
図 1 1及び図 1 2に記載の実施例の場合、 トレーラ 1前部に、 トラクタ 3後部 と連結する 2重折り式の V字型連結バー 4 1をトレーラ 1前部に設けた軸受 4 4、 4 4に上下動可能に設け、 V字型連結バー 4 1の中央部に、 V字型連結バー 4 1を 2つに折り畳むための折り軸 4 5を設けてあり、 V字型連結バー 4 1を折 り軸 4 5及ぴ軸受 4 4、 4 4を中心に 2重に折り畳んで、 トレーラ 1前部に格納 するように構成してある。  In the case of the embodiment described in FIGS. 11 and 12, a double-folded V-shaped connecting bar 41 connected to the rear of the tractor 3 is provided at the front of the trailer 1.Bearing 4 is provided at the front of the trailer 1. , 4 and 4 are provided so as to be vertically movable, and a folding shaft 45 for folding the V-shaped connecting bar 41 into two is provided at the center of the V-shaped connecting bar 41. The structure is such that 41 is folded twice around the folding shaft 45 and the bearings 44, 44 and stored in the front of the trailer 1.
図示の実施例の場合、 2重折り式の V字型連結パー 4 1は、 軸受 4 4、 4 4か ら前方内側向きに設けた 2本のメインアーム 4 6、 4 6と、 このメインアーム 4 In the case of the embodiment shown in the figure, the double-folding V-shaped connecting par 41 is composed of two main arms 46, 46 provided forward and inward from the bearings 44, 44, and this main arm. Four
6、 4 6の内側に、 折り軸 4 5を介して設けた V字型のサブアーム 4 7とからな り、 トラクタ 3後部に設けた連結フック 3 6に、 サブアーム 4 7の先端に設けた ルネットアイ 4 8を連結するように構成してある。 A V-shaped sub-arm 47 provided on the inside of the folding shaft 45 through a folding shaft 45, a connecting hook 36 provided at the rear of the tractor 3, and a lunet eye provided at the tip of the sub-arm 47. It is configured to connect 4 8.
図 2乃至図 5、 図 1 3及び図 1 5に記載の実施例の場合、 V字型連結バー 4 1 を展開状態で保持する保持手段 8 3を折り軸 4 5の近傍に、 サブアーム 4 7と一 体に設けてある。 この保持手段 8 3は、 図 1 4に記載の実施例のように、 サブァ ーム 4 7と一体に設けた L字型のリバウンドクランプ 4 9からなり、 このリバゥ ンドクランプ 4 9の上板部 5 0の内側には、 メインアーム 4 6を上部から押し付 けるスプリング、 ゴム等からなる押圧手段 5 1が設けてあり、 リバウンドクラン プ 4 9の下部には、 回転軸 5 2を介して回動自在の開閉板 5 3を設けてある。 ま た、 この開閉板 5 3には、 ハンドル 5 5を設けてあり、 このハンドル 5 5に引つ 掛けるフック 5 7を上板部 5 0に軸 5 6を介して設けてある。 実施例では、 V字 型連結バー 4 1を展開した状態で、ハンドル 5 5を持って開閉板 5 3を持ち上げ、 ハンドル 5 5にフック 5 7を引っ掛けて固定することにより、 メインアーム 4 6 とサブアーム 4 7が折り軸 4 5で回動しないようにすることができる。 また、 保 持手段 8 3の解除作業は、 この逆の手順で行うように構成してある。 また、 図 2乃至図 5、 図 1 3及び図 1 5に記載の実施例の場合、 サブアーム 4 7の中央部に、 横軸 6 4を設け、 トレーラ 1前部中央に位置して設けた支持部 7 0から横軸 6 4の間に、 V字型連結バー 4 1を支持するためのガイドバー 6 5を 設けてあり、 軸受 4 4、 4 4の間には、 メインアーム 4 6、 4 6と一体に設けた 回転軸 6 6を軸支し、 該回転軸 6 6の左端に補助アーム 6 7を設けると共に、 該 補助アーム 6 7下端部に設けた軸 7 1と、 トレーラ 1前部左側に設けた軸 6 8と の間に、 油圧シリンダ 6 9を伸縮可能に設けてある。 In the case of the embodiment shown in FIGS. 2 to 5, FIGS. 13 and 15, the holding means 83 for holding the V-shaped connecting bar 41 in the expanded state is located near the folding shaft 45 and the sub-arm 47. It is provided integrally. The holding means 83 includes an L-shaped rebound clamp 49 provided integrally with the sub arm 47 as in the embodiment shown in FIG. 14, and an upper plate portion of the rebound clamp 49. Inside the 50, a pressing means 51 made of a spring, rubber, or the like that presses the main arm 46 from the upper side is provided, and the lower part of the rebound clamp 49 is rotated via a rotating shaft 52. A movable opening / closing plate 53 is provided. Further, a handle 55 is provided on the opening / closing plate 53, and a hook 57 to be hooked on the handle 55 is provided on the upper plate 50 via a shaft 56. In the embodiment, in the state where the V-shaped connecting bar 41 is expanded, the opening / closing plate 53 is lifted by holding the handle 55, and the hook 57 is hooked on the handle 55 to be fixed, so that the main arm 46 is connected to the main arm 46. The sub arm 47 can be prevented from rotating around the folding axis 45. The release of the holding means 83 is performed in the reverse order. In addition, in the case of the embodiment shown in FIGS. 2 to 5, FIG. 13 and FIG. 15, the horizontal axis 64 is provided at the center of the sub arm 47, and the support provided at the center A guide bar 65 for supporting the V-shaped connecting bar 41 is provided between the section 70 and the horizontal shaft 64.A main arm 46, 4 is provided between the bearings 44, 44. A rotary shaft 66 provided integrally with the rotary shaft 6 is supported, and an auxiliary arm 67 is provided at the left end of the rotary shaft 66. Between the shaft 68 provided on the left side, a hydraulic cylinder 69 is provided so as to extend and contract.
図 1 5に記載の実施例のように、 連結フック 3 6からルネットアイ 4 8を取り 外し、 前記保持手段 8 3を解除した後、 V字型連結バー 4 1の水平状態 （a ) か ら徐々に油圧シリンダ 6 9を伸長すると、 補助アーム 6 7が回転軸 6 6を中心に 前方に向かって回転し、 メインアーム 4 6、 4 6は、 トレーラ 1前部で徐々に起 き上がり、 サブアーム 4 7は、 折り軸 4 5を中心に徐々に下方に折れ曲がり、 最 終的には垂直状態 （b ) になるようにしてある。 なお、 図示しない実施例では、 トレーラ 1の右側に油圧シリンダ 6 9等、 左側にロック式リンクロッド 1 0等を 設けることもできる。  As in the embodiment shown in FIG. 15, after removing the lunette eye 48 from the connecting hook 36 and releasing the holding means 83, the V-shaped connecting bar 41 is gradually moved from the horizontal state (a). When the hydraulic cylinder 69 is extended, the auxiliary arm 67 rotates forward about the rotation axis 66, and the main arms 46, 46 gradually rise at the front of the trailer 1, and the sub arm 4 7 is gradually bent downward about the folding axis 45, so that it finally becomes a vertical state (b). In an embodiment (not shown), a hydraulic cylinder 69 or the like may be provided on the right side of the trailer 1, and a lock type link rod 10 or the like may be provided on the left side.
また、 図 1 5に記載の実施例の場合、 V字型連結バー 4 1をトラクタ 3に連結 するために、 V字型連結バー 4 1に連結位置を調整する連結調整手段を設けてあ り、 実施例の場合、 該連結調整手段を遠隔操作するようにしてある。 この連結調 整手段は、 油圧シリンダ 6 9とパイプ 7 6、 7 7を介して連結して設けた電動油 圧ポンプ 7 8とからなり、 この電動油圧ポンプ 7 8により油圧シリンダ 6 9を作 動させ、 メインアーム 4 6、 4 6を軸受 4 4、 4 4を基点に下方に高さ調整をし ながら回転させ、 ガイドバー 6 5の案内でサブアーム 4 7共々前後方向に伸長さ せ、 連結フック 3 6にルネットアイ 4 8を連結するように構成してある。  In the case of the embodiment shown in FIG. 15, in order to connect the V-shaped connecting bar 41 to the tractor 3, the V-shaped connecting bar 41 is provided with connection adjusting means for adjusting the connecting position. In the case of the embodiment, the connection adjusting means is remotely operated. The connection adjusting means comprises a hydraulic cylinder 69 and an electric hydraulic pump 78 connected via pipes 76, 77, and the electric hydraulic pump 78 drives the hydraulic cylinder 69. Rotate the main arms 4 6 and 4 6 from the bearings 4 4 and 4 4 while adjusting the height, and extend the sub-arms 4 7 in the front-rear direction with the guide bar 65 and the connecting hook. It is configured to connect Lune Eye 48 to 36.
さらに、 電動油圧ポンプ 7 8には、 該ポンプ 7 8を操作するためのリモートコ ントロールスィッチ 8 1が設けてあり、 連結作業の際は、 このリモートコント口 一ルスィツチ 8 1により、 V字型連結バー 4 1の連結又は格納作業を遠隔操作す ることが可能である。 なお、 図 9に示すリバウンドクランプ 1 8などは、 必要に 応じて左右に対象に装着することもできる。 図 1 6乃至図 2 0に記載の実施例の場合、 トレーラ 1前部左右に設けたポール ジョイント 5 9、 5 9に、 2本の連結バー 6 0、 6 0を回転可能に設け、 該連結 バー 6 0、 6 0を互いに接触しないように交差中心 6 3において交差させ、 トラ クタ 3後部左右に設けた連結リング 6 1、 6 1に、 連結バー 6 0、 6 0の先端部 に設けたボールタイプ連結フック 6 2、 6 2を着脱自在かつ回転可能に連結する ように構成してある。 In addition, the electric hydraulic pump 78 is provided with a remote control switch 81 for operating the pump 78, and when connecting, the remote control switch 1 81 is used to operate the V-shaped connecting bar. 4 It is possible to remotely control the connection or storage operation of 1. Note that the rebound clamps 18 and the like shown in FIG. 9 can be attached to the left and right as required. In the case of the embodiment shown in FIGS. 16 to 20, two connecting bars 60, 60 are rotatably provided on pole joints 59, 59 provided on the left and right of the front part of the trailer 1. The bars 60, 60 cross each other at the intersection center 63 so as not to contact each other, and are provided on the connecting rings 61, 61 provided on the left and right sides of the rear of the tractor 3 and on the distal ends of the connecting bars 60, 60. The ball type connecting hooks 62, 62 are configured to be detachably and rotatably connected.
また、 上記の構成によれば、 交差中心 6 3のクロス状の動きにより、 トラクタ 3に小回りを効かせて、 トレーラ 1を追従させることができ、 また、 ピッチング 方向の揺動はポールジョイント 5 9等で吸収することもできる。 また、 連結を解 除した後は、 トレーラ 1前部に連結バー 6 0、 6 0を手動で横方向に折り畳んで クランプして格納するように構成してある。 図 1 6、 図 1 7に記載の実施例にお いて、 操舵手段及び遠近伝達手段は、 上記実施例の場合と同様である。  Further, according to the above configuration, the trailer 1 can be made to follow the tractor 3 by making a slight turn by the cross-shaped movement of the intersection center 6 3, and the swing in the pitching direction is performed by the pole joint 5 9 Can also be absorbed. Further, after the connection is released, the connection bars 60, 60 are manually folded laterally at the front of the trailer 1, clamped, and stored. In the embodiment shown in FIGS. 16 and 17, the steering means and the perspective transmission means are the same as in the above embodiment.
また、 図 2 1乃至図 2 3に記載の実施例の場合、 トレーラ 1としてトラック、 バス、 乗用車、 軽自動車等の自走車及び前操舵軸型トレーラを使用することも可 能であり、 前記操舵手段が前記自走車の操舵輪 2を操舵することも可能である。 また、 トラクタ 3に複数台のトレーラ 1を連結することも可能である。  Further, in the case of the embodiment shown in FIGS. 21 to 23, it is also possible to use a self-propelled vehicle such as a truck, a bus, a passenger car, a minicar, and a front steering shaft type trailer as the trailer 1. It is also possible for the steering means to steer the steered wheels 2 of the self-propelled vehicle. It is also possible to connect a plurality of trailers 1 to the tractor 3.

Claims

ニ/ ^請求の範囲 D / ^ Claims
1 . 前操舵型トレーラの前部操舵輪の近傍に操舵手段を設けた前操舵型ト レーラと、 前操舵型トレーラを牽引するトラクタとの間に、 該トラクタの操舵に 伴ってトラクタと前記トレーラの間に生じる距離の遠近変動を前記操舵手段に伝 達する遠近伝達手段を設け、 トラクタの操舵に連動してトレーラの操舵方向を制 御するようにしたトレーラ等の操舵装置。  1. Between a front steering type trailer provided with steering means near the front steered wheels of the front steering type trailer, and a tractor for towing the front steering type trailer, the tractor and the trailer associated with the steering of the tractor. A steering device, such as a trailer, provided with perspective transmission means for transmitting the perspective variation of the distance occurring between the steering means to the steering means, and controlling the steering direction of the trailer in conjunction with the steering of the tractor.
2 . 請求項 1に記載のトレーラ等の操舵装置において、 前記遠近伝達手段 2. The steering device such as a trailer according to claim 1, wherein the perspective transmission means is provided.
1 前記トレーラ前部に設けた支点部を中心に回転自在に設けた梃部材と、 該梃 部材の原動部に連結して前記トラクタ後部に着脱自在に設けたリンクロッドとか らなり、 前記梃部材の従動部に前記操舵手段の作動部を連結して、 トレーラの操 舵方向を制御するようになしたトレーラ等の操舵装置。 1 A lever member rotatably provided around a fulcrum provided at the front of the trailer, and a link rod connected to a driving portion of the lever member and detachably provided at a rear portion of the tractor, the lever member comprising: A steering device such as a trailer in which an operating portion of the steering means is connected to a driven portion of the vehicle to control a steering direction of the trailer.
3 . 請求項 2に記載のトレーラ等の操舵装置において、 前記原動部に設け た回転角センサーが前記リンク口ッドの回転角変位を検出して、 トレーラの操舵 方向を制御するようになしたトレーラ等の操舵装置。  3. The steering device for a trailer or the like according to claim 2, wherein a rotation angle sensor provided in the driving unit detects a rotation angle displacement of the link port and controls a steering direction of the trailer. Steering devices such as trailers.
4 . 請求項 1、 2又は 3に記載のトレーラ等の操舵装置において、 前記遠 近伝達手段に前記前部操舵輪の切れ角が規定値以上になると作動する警告手段を 設けてなるトレーラ等の操舵装置。 4. The steering device such as a trailer according to claim 1, 2 or 3, wherein the perspective transmission means is provided with a warning means which is activated when the turning angle of the front steered wheels becomes a prescribed value or more. Steering gear.
5 . 請求項 4に記載のトレーラ等の操舵装置において、 前記前部操舵輪の 切れ角が規定値未満の状態で、 前記警告手段が作動するのを阻止する警告手段の 誤作動阻止手段を設けてなるトレーラ等の操舵装置。  5. The steering device such as a trailer according to claim 4, further comprising: a warning device for preventing malfunction of the warning device when the steering angle of the front steered wheel is less than a predetermined value. A steering device such as a trailer.
6 . 請求項 1乃至 5のいずれかに記載のトレーラ等の操舵装置において、 前記遠近伝達手段を前記トレーラ前部に格納するようになしたトレーラ等の操舵  6. The steering device for a trailer or the like according to any one of claims 1 to 5, wherein the perspective transmission means is stored in a front portion of the trailer.
7 . 請求項 1乃至 6のいずれかに記載のトレーラ等の操舵装置において、 前記トレーラ前部に、 前記トラクタ後部と連結する開閉式の V字型連結バーを設 け、 該 V字型連結パーに設けた開閉軸に横方向に伸縮する伸縮手段を設け、 該伸 縮手段により前記開閉軸を外向き又は内向きに拡大又は縮小することによって、 前記 V字型連結バーの縦幅を変化させるようになしたトレーラ等の操舵装置。 7. The steering device for a trailer or the like according to any one of claims 1 to 6, wherein an openable V-shaped connection bar is provided at a front portion of the trailer to be connected to a rear portion of the tractor. The vertical width of the V-shaped connection bar is changed by providing an expanding / contracting means for expanding / contracting the opening / closing shaft provided in the horizontal direction, and expanding / contracting the opening / closing axis outward or inward by the expanding / contracting means. Steering device such as a trailer.
8 . 請求項 7に記載のトレーラ等の操舵装置において、 前記伸縮手段によ り前記 V字型連結バーを前記トレーラ前部に格納するようになしたトレーラ等の 8. The steering device for a trailer or the like according to claim 7, wherein the V-shaped connecting bar is stored in a front portion of the trailer by the telescopic means.
9 . 請求項 1乃至 8のいずれかに記載のトレーラ等の操舵装置において、 前記トレーラ前部に、 前記トラクタ後部と連結する 2重折り式の V字型連結バー を前記トレーラ前部に設けた軸に上下動可能に設け、 該 V字型連結バーの中央部 に、 前記 V字型連結バーを 2つに折り畳むための折り軸を設け、 前記 V字型連結 バーを前記折り軸及び前記軸を中心に 2重に折り畳んで、 前記トレーラ前部に格 納するようになしたトレーラ等の操舵装置。 9. The steering device for a trailer or the like according to any one of claims 1 to 8, wherein a double-folding V-shaped connection bar connected to the rear of the tractor is provided at the front of the trailer. A shaft is provided so as to be vertically movable on a shaft, and a folding shaft for folding the V-shaped connecting bar into two is provided at a central portion of the V-shaped connecting bar, and the V-shaped connecting bar is provided with the folding shaft and the shaft. A steering device such as a trailer that is folded twice around the center and stored in front of the trailer.
1 0 · 請求項 9に記載のトレーラ等の操舵装置において、 前記 V字型連結バ 一を展開状態で保持する保持手段を前記折り軸に設けてなるトレーラ等の操舵装  10. The steering device for a trailer or the like according to claim 9, wherein a steering device for holding the V-shaped connecting bar in an expanded state is provided on the folding shaft.
1 1 . 請求項 7乃至 1 0のいずれかに記載のトレーラ等の操舵装置において、 前記 V字型連結バーに上下方向に伸縮可能な補助脚を設け、 前記トラクタと前記 トレーラの連結又は切り離しの際に、 該捕助脚により前記 V字型連結バーを支え るようになしたトレーラ等の操舵装置。 11. The steering device for a trailer or the like according to any one of claims 7 to 10, wherein the V-shaped connection bar is provided with an auxiliary leg that can expand and contract in a vertical direction, and is used to connect or disconnect the tractor and the trailer. At this time, a steering device such as a trailer or the like configured to support the V-shaped connecting bar by the catch leg.
1 2 . 請求項 7乃至 1 1のいずれかに記載のトレーラ等の操舵装置において、 前記 V字型連結バーを前記トラクタに連結する際に、 前記 V字型連結バーの連結 位置を調整する連結調整手段を設け、 該連結調整手段を遠隔操作するようになし たトレーラ等の操舵装置。  12. The steering device according to any one of claims 7 to 11, wherein the connecting position of the V-shaped connecting bar is adjusted when the V-shaped connecting bar is connected to the tractor. A steering device, such as a trailer, provided with adjusting means, wherein the connection adjusting means is remotely operated.
1 3 . 請求項 1乃至 6のいずれかに記載のトレーラ等の操舵装置において、 前記トレーラ前部に、 2本の連結バーを回転可能に設け、 該連結バーを互いに交 差させて前記トラクタ後部に着脱自在に連結してなるトレーラ等の操舵装置。 13. The steering device such as a trailer according to any one of claims 1 to 6, wherein two connecting bars are rotatably provided at a front portion of the trailer, and the connecting bars are crossed with each other to form a rear portion of the tractor. A steering device such as a trailer detachably connected to the vehicle.
1 4 . 請求項 1 3に記載のトレーラ等の操舵装置において、 前記連結バーを 前記トレーラ前部に格納するようになしたトレーラ等の操舵装置。 14. The steering device such as a trailer according to claim 13, wherein the connecting bar is stored in a front portion of the trailer.
1 5 . 請求項 1乃至 1 4のいずれかに記載のトレーラ等の操舵装置において、 前記トレーラとしてトラック、 バス、 乗用車、 軽自動車等の自走車及び前操舵軸 型トレーラを使用し、 操舵手段が前記自走車の操舵輪を操舵するようになしたト レーラ等の操舵装置。  15. The steering device such as a trailer according to any one of claims 1 to 14, wherein the trailer is a self-propelled vehicle such as a truck, a bus, a passenger car, a minicar, and a front steering shaft type trailer. Is a steering device such as a trailer for steering the steered wheels of the self-propelled vehicle.
1 6 . 請求項 1乃至 1 5のいずれかに記載のトレーラ等の操舵装置において、 前記トラクタに複数台の前記トレーラを連結してなるトレーラ等の操舵装置。  16. A steering device such as a trailer according to any one of claims 1 to 15, wherein a plurality of the trailers are connected to the tractor.
PCT/JP2004/002810 2003-08-11 2004-03-05 Steering system of trailer or the like WO2005014369A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003291274A JP2005059714A (en) 2003-08-11 2003-08-11 Steering device for trailer
JP2003-291274 2003-08-11

Publications (1)

Publication Number Publication Date
WO2005014369A1 true WO2005014369A1 (en) 2005-02-17

Family

ID=34131643

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/002810 WO2005014369A1 (en) 2003-08-11 2004-03-05 Steering system of trailer or the like

Country Status (2)

Country Link
JP (1) JP2005059714A (en)
WO (1) WO2005014369A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2497658A1 (en) * 2011-03-05 2012-09-12 Sebastian Zunhammer Tractor with trailer
CN104859443A (en) * 2014-12-16 2015-08-26 康昌文 Material transport cart

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4741595B2 (en) * 2005-08-18 2011-08-03 赤塩 有佳里 Trailer steering device
CN103204182A (en) * 2013-04-03 2013-07-17 立大自行车（句容）有限公司 Traction steering device
CN108263471B (en) * 2017-01-03 2020-08-28 中车株洲电力机车研究所有限公司 Articulated power bogie for rubber-tyred electric car, electric car and steering control method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4528012Y1 (en) * 1966-04-04 1970-10-28
US4171825A (en) * 1976-11-17 1979-10-23 Robby Robinson Steerable towing device
JPS56124004U (en) * 1980-02-22 1981-09-21
US4405147A (en) * 1981-06-19 1983-09-20 U-Haul Technical Center Trailer steering device for spaced axle trailer
US4451058A (en) * 1982-02-03 1984-05-29 Curry Norman R Transport converter dolly with forced steering
JPH0195981A (en) * 1987-10-09 1989-04-14 Iseki & Co Ltd Steering device for trailer
JPH01145580U (en) * 1988-03-15 1989-10-06
JPH0419206A (en) * 1990-05-15 1992-01-23 Takakita Co Ltd Working vehicle towing device in tractor
JP2002178734A (en) * 2000-12-18 2002-06-26 Tcm Corp Industrial vehicle
JP2003118614A (en) * 2001-10-15 2003-04-23 Yasunobu Akashio Steering device for trailer

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4528012Y1 (en) * 1966-04-04 1970-10-28
US4171825A (en) * 1976-11-17 1979-10-23 Robby Robinson Steerable towing device
JPS56124004U (en) * 1980-02-22 1981-09-21
US4405147A (en) * 1981-06-19 1983-09-20 U-Haul Technical Center Trailer steering device for spaced axle trailer
US4451058A (en) * 1982-02-03 1984-05-29 Curry Norman R Transport converter dolly with forced steering
JPH0195981A (en) * 1987-10-09 1989-04-14 Iseki & Co Ltd Steering device for trailer
JPH01145580U (en) * 1988-03-15 1989-10-06
JPH0419206A (en) * 1990-05-15 1992-01-23 Takakita Co Ltd Working vehicle towing device in tractor
JP2002178734A (en) * 2000-12-18 2002-06-26 Tcm Corp Industrial vehicle
JP2003118614A (en) * 2001-10-15 2003-04-23 Yasunobu Akashio Steering device for trailer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2497658A1 (en) * 2011-03-05 2012-09-12 Sebastian Zunhammer Tractor with trailer
CN104859443A (en) * 2014-12-16 2015-08-26 康昌文 Material transport cart

Also Published As

Publication number Publication date
JP2005059714A (en) 2005-03-10

Similar Documents

Publication Publication Date Title
US10590669B2 (en) Movable conveyors for moving a four-wheel vehicle
US7694993B2 (en) Trailer steering mechanism
CA2521813C (en) Trailer mule vehicle for moving semi-trailers
US9126626B1 (en) Apparatus for steering a boom support vehicle and method of use
US20080211289A1 (en) Self-Propelled Trailer
EP1564121A1 (en) Trailer provided with manoeuvring device
WO2016070245A1 (en) Movable tow bar
US9758133B2 (en) Vehicle lifting and parallel parking aid
CA3034836C (en) Self-lifting vehicle with flood protection, u-turn, parallel parking, anti-theft and service access capabilities
US5531468A (en) Trailer articulation device
US5390945A (en) Low-speed maneuverability enhancement for long single-unit vehicles
US2410241A (en) Riding dolly
RU2616119C2 (en) Trailer with controlled ancillary axle
WO2005014369A1 (en) Steering system of trailer or the like
WO2000071405A1 (en) Method of steering trailer, steering device, and vehicle such as trailer using the steering method or steering device
US9981689B2 (en) Self-steering bogie for a road vehicle
EP2643175B1 (en) Attachment device for trailer tow bar
US20020192063A1 (en) Tow truck boom arranged for right angled lifting
JPH02200507A (en) Bidirectional articulated car able to be guided along track
EP1506902A2 (en) Load transport assembly
US5738376A (en) Automobile parking aid mechanism
GB2293584A (en) Transverse manoeuvring device for vehicles and mobile machines
EP2660102B1 (en) Equipment for recovering broken-down vehicles and system provided with such equipment
WO2013076607A1 (en) Improved trailer and articulated vehicle provided with such trailer
JP2022088776A (en) Rail and land vehicle

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP