JP2017030389A - Vehicle transportation truck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a loading transportation vehicle capable of smoothly traveling on a track with an automobile or the like loaded on a vehicle transportation truck.SOLUTION: This vehicle transportation truck is configured in such a manner that a swing bearing 19 is disposed by extending a chassis 4 of a truck 1 to the rear lower part of a vehicle placing platform 6, an auxiliary frame body 9 is rotatably provided via the swing bearing 19, a movable frame body provided with auxiliary wheels 10 and 10 are provided to move back and forth below the auxiliary frame body 9, a support shaft 38 of the auxiliary wheels 10 and 10 is configured to be deformed forward or rearward from the center position of the swing bearing 19, elastic machine tools 15 and 15 for regulating rotation of the auxiliary frame body 9 having the auxiliary wheels 10 and 10 are added, the vehicle placing platform 6 and the chassis 4 of the truck 1 are divided back and forth, and the vehicle placing platform 6 and the chassis 4 provided with the auxiliary wheels 10 and 10 are folded to be set in a stored state.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a vehicle transporting truck in which a vehicle mounting platform is connected and fixed to a truck chassis via an elevating link, and the vehicle is mounted on the vehicle mounting platform and transported.

  2. Description of the Related Art Conventionally, as shown in Patent Document 1, a vehicle transport truck used for transporting an automobile or a broken vehicle has a gantry body on which a car or the like is placed on a truck bed frame. The tailgate at the rear of the gantry body is configured to be switchable between a stowed posture that is erected via a support shaft and a loading / unloading posture that allows the vehicle to be loaded and unloaded by rotating it downward. In addition, as disclosed in Patent Document 2, a transport vehicle is disclosed in which a movable load carrier is mounted on the rear side of a fixed load carrier of the transport vehicle and the length of the load carrier is extended to the rear in the longitudinal direction of the vehicle. Has been.

Japanese Patent No. 4229399 JP 2009-12518 A

  However, in the transport vehicle disclosed in Patent Document 1, since the vehicle is mounted and transported in a state where the entire vehicle mounting platform is superposed on the upper portion of the truck chassis, the chassis of the transport vehicle is mounted on the vehicle. The length is almost the same as the gantry, and the transport vehicle becomes longer and larger, and the wheel base becomes longer. Furthermore, when the vehicle is loaded / unloaded, the vehicle mounting platform is moved rearward and tilted in a low state before and after the front height, so a long space is also required behind the transport vehicle. A large space is required. In addition, the wheel base of the transport vehicle is long, and it is impossible to pass in a narrow alley with a narrow width, so it cannot pass through and the travel route is limited.

  Moreover, in the transport vehicle disclosed in Patent Document 2, a structure is provided in which a movable load platform is mounted behind the fixed load platform of the transport vehicle, and the loaded vehicle is placed by extending the length of the load platform rearward in the longitudinal direction of the vehicle. As a result, the loaded vehicle protrudes rearward from the rear wheels of the transport vehicle and becomes rear balance. Especially on the uphill, the front wheels of the transport vehicle floated and stable running was not possible.

  In order to solve the above-described problems, the loading and transporting vehicle according to the present invention firstly has a vehicle mounting frame 6 installed on the upper surface of the chassis 4 of the truck 1 and the front side of the vehicle mounting frame 6 is connected to the lifting link 11. Fixed and extended toward the rear of the chassis 4, the vehicle mounting platform 6 is mounted in a vehicle loading / unloading posture in which the vehicle loading / unloading posture inclines in a low position after the front and rear, and in a substantially horizontal state. In the vehicle transporting truck 1 configured to be switchable and supportable to the vehicle transporting posture for transporting the vehicle, the chassis 4 of the truck 1 is extended to the lower rear portion of the vehicle mounting base 6 and a swing bearing 19 is disposed. The auxiliary frame body 9 is rotatably provided via the swing bearing 19, and a movable frame body 51 having auxiliary wheels 10 and 10 is configured to be movable back and forth at the lower part of the auxiliary frame body 9. The support shaft 38 of the auxiliary wheels 10, 10 is connected to the slewing bearing 19. Is characterized by being configured so as to be displaced forward or backward from cardiac position.

  Secondly, the auxiliary frame body 9 having the auxiliary wheels 10 and 10 and the movable frame body 51 is provided with elastic devices 15 and 15 for restricting the rotation of the auxiliary frame body 9.

  Thirdly, the vehicle mounting frame 6 and the chassis 4 of the truck 1 are divided into front and rear, and the vehicle mounting frame 6 and the chassis 4 having the auxiliary wheels 10 and 10 are connected in a vertically rotatable manner. It is configured to be foldable.

  The vehicle transport truck of the present invention configured as described above has the following effects. A truck chassis is extended to the rear lower part of the vehicle mounting base, a swing bearing is arranged, an auxiliary frame body is rotatably provided via the swing bearing, and an auxiliary wheel is provided at the lower part of the auxiliary frame body. By configuring the movable frame body so that it can move back and forth so that the support shaft of the auxiliary wheel is displaced forward or backward from the center position of the slewing bearing, it can be left or right when the truck is traveling forward or backward When the steering wheel is operated to turn, the rear of the chassis swings in the right or left direction around the grounding surface of the rear wheel of the truck. The movable frame body and the auxiliary frame body having the auxiliary wheels displaced forward or backward from the center position of the swing bearing under the swing action of the chassis are either left or right around the ground contact surface of the auxiliary wheel by the swing action of the swing bearing. Since the direction of the auxiliary wheel acts in the direction opposite to the front wheel direction of the truck, the load resistance of the auxiliary wheel generated at the time of turning on the rear wheel of the truck is reduced and the turning of the truck is facilitated. be able to. Moreover, since the difference between the inner wheel of the rear wheel of the truck and the auxiliary wheel can be reduced due to the turning operation of the auxiliary wheel, the turning of the truck can be facilitated.

  Further, the vehicle mounting platform of the present invention is provided with an elastic device for restricting the rotation of the auxiliary frame body in the auxiliary frame body having the auxiliary wheel and the movable frame body, so that the auxiliary wheel can be used in a road surface state during traveling. It is possible to prevent the shake of the left and right fine movements received, and to prevent the auxiliary wheels from turning at an abnormal angle, thereby enabling stable transportation traveling.

  The vehicle transport truck according to the present invention is configured such that the vehicle mounting platform and the truck chassis are divided into front and rear parts, and the vehicle mounting platform and the chassis having auxiliary wheels are connected to each other so as to be pivotable in the vertical direction. As a result, when the truck is unloaded or parked, the rear platform with the vehicle mounting platform and the rear chassis with auxiliary wheels can be folded into a substantially upright storage state to reduce the overall length of the truck. It can be operated easily and can save space even when parked in a garage or parking lot.

It is a side view which shows the state which equipped the vehicle carrying truck concerning the embodiment of this invention with the vehicle mounting base, and mounted the loading vehicle. FIG. 2 is a side view showing a loading / unloading state of a vehicle in which the vehicle mounting platform of FIG. It is a top view which shows the turning effect | action of the auxiliary wheel with respect to the front-wheel steering of a track | truck. It is a side view which shows the principal part of the auxiliary | assistant frame which has an auxiliary | assistant wheel. It is a rear view which shows the principal part of FIG. It is a development perspective view showing the peripheral part of an auxiliary wheel and an auxiliary frame. It is a side view which shows the state which folded the chassis which has the vehicle mounting base and auxiliary | assistant wheel of the vehicle conveyance truck of FIG. In another embodiment, the vehicle loading / unloading is performed by tilting the vehicle mounting frame, which is provided with a turning bearing on the vehicle mounting frame side of the truck and supports the auxiliary frame body having auxiliary wheels so as to be able to turn freely. It is a side view which shows a state. It is a side view which shows the principal part of the auxiliary | assistant frame which has the auxiliary | assistant wheel of FIG. FIG. 9 is a side view showing a state in which the vehicle mounting frame of FIG. 8 is configured to be foldable, and a winch wire is hooked on a folding arm in order to change the vehicle mounting frame from a horizontal transport state to a folded state. is there. It is a side view which shows the folding storing state of the vehicle mounting base of FIG. It is a top view which shows the state latched via the electric cylinder which controls the intensity | strength of the elastic device which controls rotation of an auxiliary | assistant frame in the other Example of FIG. FIG. 10 is a developed perspective view showing a peripheral portion of a turning lock mechanism for auxiliary frames and auxiliary wheels in FIG. 9.

  Embodiments of the present invention will be specifically described below with reference to the drawings. First, FIGS. 1 to 2 show the transport state of a loaded vehicle and the vehicle mounting platform 6 in which the vehicle mounting platform 6 is horizontally fixed to the truck 1 of the transporting vehicle by connecting and fixing the vehicle mounting platform 6 to the lifting link 11. Each of the working states in which the vehicle is loaded and unloaded with the front and rear lowered are shown. 3 shows a plan view of the operation state of the auxiliary wheels 10 and 10 during the turning of FIG. 1, and FIGS. 4 to 6 show detailed views of the main part of the rear chassis 48. FIG. FIG. 7 shows a folded storage state of the rear chassis 48 having the vehicle mounting platform 6 and the auxiliary wheels 10 and 10. Next, FIGS. 8 to 11 show other embodiments, in which a turning bearing 19 is provided at the lower rear portion of the vehicle mounting frame 6 of the truck 1 to rotate the auxiliary frame 9 having auxiliary wheels 10 and 10. A vehicle loading / unloading state in which the vehicle mounting frame 6 that is freely configured is tilted in a low and forward direction is shown, and the vehicle mounting frame 6 is configured to be foldable by being divided into front and rear, and the winch device 13 A side view showing a working state in which the hook of the wire 14 is hooked on the arm 43 to lift the rear frame 42 and a retracted state in which the rear frame 42 of the vehicle mounting frame 6 is folded into a substantially upright state are shown. .

  First, as shown in FIGS. 1 to 2, the vehicle mounting platform 6 is divided into two parts before and after the front platform 41 and the rear platform 42, and the rear platform 42 is connected so as to be movable up and down. The electric winch device 13 used for loading and unloading the loaded vehicle 52 and one end of the elevating link 11 are pivotally attached to the lower part of the front frame 41 of the vehicle mounting frame 6, respectively. A lifting tool (hydraulic cylinder) 12 is attached to the central part of the front, and the front central part of the front base 41 is structured such that a wire roller 18 for guiding the wire 14 of the winch device 13 is rotatably supported. ing.

  Further, the rear frame 42 of the vehicle mounting frame 6 is pivotally supported by a connecting portion of the front frame 41 and is disposed on the rear chassis 48, and the rear lower part of the rear frame 42 is located at the rear of the vehicle mounting frame 6. A stand roller 16 for grounding and rolling on the road surface when the vehicle is in a low and low-level loading / unloading posture is provided, and a lighter 40 and a bumper are attached to the rear tail. Further, on the front left and right sides of the rear stand 42, a fixture 44 for fixing the posture of the rear stand 42 in a horizontal state and a substantially vertical state is pivotally supported so as to integrally operate on the left and right sides. In this case, the device is structured so as to be engaged with a fixing pin on the other side and provided with a detachment prevention device (not shown).

  On the other hand, the chassis 4 of the truck 1 is composed of a front chassis 47 provided integrally with the truck 1 and a rear chassis 48 pivotally connected to the rear of the front chassis 47. The rear chassis 48 is shown in FIGS. As shown in FIG. 6, the mounting plate 21 is provided in the central portion so that the slewing bearing 19 can be mounted by a bolt 59, and the rear chassis 48 is pivotally supported by one end portion of the machine mounting plate 58 and the hydraulic cylinder 57. Links 53 of the rotation connecting portion are respectively provided, and rollers 49, 49 for supporting the lower surface of the vehicle mounting base 6 when the vehicle mounting base 6 is loaded at the front, rear, and lower positions are provided on the left and right sides of the links 53, respectively. The guides 46 and 46 are rotatably supported. In addition, a lighting device 40 is provided in the lower portion of the rear chassis 48 near the folding fulcrum, and is configured to be able to light up simultaneously with the lighting device 40 of the rear mount 42, so that the lighting device 40 is rearward in both the transport state and the folded storage state. The structure is visible.

  The auxiliary frame body 9 is rotatably attached via a swing bearing 19 attached to the rear chassis 48, and a movable frame body 51 is inserted into the left and right lower portions of the auxiliary frame body 9 so as to be movable back and forth. The U-shaped guides 54, 54 configured are provided. Further, members 33 and 33 for attaching the elastic devices 15 and 15 are provided on the left and right in front of the upper part of the auxiliary frame 9, and an attachment member 60 for the electric cylinder 50 for moving the movable frame 51 back and forth is provided at the rear center portion thereof. Each is provided with a structure. On the other hand, the movable frame 51 configured to be movable back and forth is formed in a U-shape and inserted into the guides 54 and 54 of the auxiliary frame 9, and then integrally configured with the plate 55 and the fixing bolt 35. An attachment member 61 of the electric cylinder 50 is provided in front of the movable frame 51. When the truck 1 is traveling forward by the attachment of the electric cylinder 50, the electric cylinder 50 is in a contracted state and the auxiliary wheels 10, 10 are swivel bearings. 19, the electric cylinder 50 is automatically extended in conjunction with the back ramp of the truck when the truck is traveling backward, and the auxiliary wheels 10 and 10 are moved forward from the center position of the slewing bearing. A structure in which the truck 1 can be moved backward by moving the dimensions, and the auxiliary wheels 10 and 10 can be automatically retracted and restored when the truck 1 is switched to forward traveling. Going on. In addition, receiving portions 28 and 28 for attaching one end of the leaf spring of the leaf spring rack portion 30 are provided on the left and right of the lower front portion of the movable frame 51, and the leaf spring receiving portion 29 and the like are detachably attached to the rear. 29, and a structure in which shafts 62, 62 for attaching shock absorbers 32, 32 from the leaf spring rack 30 are integrally attached to the left and right sides of the movable frame 51, respectively. ing.

  Next, the transport truck 1 shown in FIGS. 8 to 9 and FIG. 13 shows another embodiment, and a slewing bearing 19 is provided on the side of the vehicle mounting frame 6 that is integrated on the frame 4 of the truck 1 without being folded. The auxiliary frame 9 having the auxiliary wheels 10 and 10 has a structure in which the axle 38 is displaced rearward by L dimension from the center position of the slewing bearing 19 and attached to the lower part of the slewing bearing 19. In addition, the auxiliary frame body 9 having the auxiliary wheels 10 and 10 is provided with members 33 and 33 for attaching one end of the elastic devices 15 and 15 for restricting the turning, and a lock claw 20 is provided behind the auxiliary frame body 9. In order to prevent abnormal swinging of the auxiliary wheels 10 and 10 during high-speed driving on the highway and to prevent the auxiliary wheels 10 and 10 from rotating when the truck 1 is moved backward, the auxiliary wheels 10 and 10 are not disturbed. The electric cylinder 24 is retracted from the retracted state of the lock pin 25 by moving the lock pin 25 back and forth by expansion and contraction of the electric cylinder 24 attached to the vehicle mounting platform 6 side. When the lock pin 25 is inserted into the center of the fan-shaped cutout portion of the lock claw 20 along the long holes of the support guide plates 27 and 27 provided above and below the lock claw 20, the auxiliary frame body 9 is operated. Becomes locked state, the auxiliary wheels 10, 10 are structured to be locked in a straight ahead condition.

  A battery-operated electric winch device 13 is attached to the lower front portion of the vehicle mounting base 6 and is hooked via a wire support roller 18 provided at the front of the vehicle mounting base 6. The wire 14 has a structure in which the wire 14 can be unwound and unwound by operating an operation panel (not shown) arranged at hand. A tail bridge 8 is provided in the rear of the vehicle mounting base 6 so as to be unfoldable so that it can be supported back and forth in accordance with the total length of the loaded vehicle. In addition, a stand roller that supports the rear of the vehicle mounting base 6 when the vehicle mounting base 6 is tilted in a low and high position after the vehicle mounting base 6 is placed in a loading / unloading state. 16 and 16 are provided on the left and right sides, and a lighting device 40 is attached to the rear part. Further, the guide plates 17 provided on the left and right sides of the center of the vehicle mounting base 6 prevent the lateral displacement between the vehicle mounting base 6 and the frame 4 of the truck 1 when the vehicle mounting base 6 is tilted in a low shape before and after the front and back and when transported horizontally. The guide 5 provided on the frame 4 is also for preventing lateral displacement.

  Next, the transport truck 1 shown in FIGS. 10 to 11 shows another embodiment of a structure in which a turning bearing is provided on the vehicle mounting base 6 as in FIGS. 8 to 9. The mounting base 6 is divided into front and rear, and the rear mounting base 42 having the auxiliary wheels 10 and 10 of the vehicle mounting base 6 is connected to the folding fulcrum portion 45 so as to be pivotable in the vertical direction so as to be foldable. ing. Further, the rear mounting 42 of the vehicle mounting platform 6 is provided with fixtures 44 and 44 for locking and fixing the rear mounting 42 in the left and right directions in a transporting operation state and a folded storage state, respectively. An arm 43 is provided in the central portion of the arm 43 so as to be able to move up and down in a vertical state, and the tip of the arm 43 is configured to hook the wire 14 hook of the winch device 13 to fold the rear frame 42 of the vehicle mounting frame 6. When the state is to be set, the rear frame 42 can be retracted by hooking the wire 14 hook on the arm 43 and winding the wire 14 of the winch device 13.

  Next, as shown in FIG. 12, FIG. 12 shows an elastic device 15, 15 for restricting the rotation of the auxiliary frame body 9 having the auxiliary wheels 10, 10 attached rotatably via a swing bearing 19. Instead of being directly attached to the frame 48 side, the structure is attached to the frame 48 side via an electric cylinder 71 that can be expanded and contracted. Further, the expansion and contraction action of the electric cylinder 71 can be automatically controlled in accordance with the vehicle speed of the truck 1, and if the vehicle speed of the truck 1 is low, the electric cylinder 71 is in the extended state and the ammunition of the elastic implements 15 and 15. The pressure is weakened and the auxiliary frame 9 having the auxiliary wheels 10 and 10 is easy to rotate. Conversely, when the vehicle runs at a high speed, the electric cylinder 71 is contracted, and the elastic devices 15 and 15 are strongly pulled to assist. The structure is designed to improve the running stability of the auxiliary wheels 10 and 10 by strongly preventing the rotation of the frame body 9.

  Accordingly, as shown in FIGS. 1 to 7, the transportation work of the vehicle transportation truck 1 of the present plan is performed according to the following procedure. First, when the vehicle is not in use as shown in FIG. 7, the rear frame 42 of the vehicle mounting frame 6 and the rear chassis 48 having the auxiliary wheels 10 and 10 are folded and retracted. When loading 52, as shown in FIGS. 7 and 2, the fixtures 44, 44 provided on the left and right of the rear base 42 are released by releasing the locking device (not shown), and the hydraulic operation lever (not shown) To operate the cylinder 57 in the contracting direction, the cylinder 57 contracts, so that the rear chassis 42 and the rear chassis 48 having the auxiliary wheels 10 and 10 are restored to the horizontal state, and the auxiliary wheels 10 and 10 are connected to the road surface. To ground. In this state, the fixtures 44, 44 of the rear frame 42 are locked to the locking pins 41a of the front frame 41, and the front frame 41 and the rear frame 42 are integrated to form the vehicle mounting frame 6.

  Next, when loading the loaded vehicle 52, a locking device (not shown) with the front chassis 47 provided on the front frame 41 and a locking device (not shown) with the rear chassis 48 provided on the rear frame 42. After releasing each of the above, the hydraulic operation lever (not shown) is operated, and the cylinder 12 is operated in the extending direction, whereby the elevating link 11 moves upward with the support portion of the chassis 4 as a fulcrum. The rollers 49, 49 provided at the rear of the rear chassis 42 are gradually pushed up and moved backward while rotating, and the stand roller 16 of the vehicle mounting base 6 comes into contact with the front and rear and lower in a lowering posture. . At the rear end portion of the vehicle mounting base 6, metal fittings for attaching the detachable step board 7 are provided on the left and right, so that the leading end portion of the step board 7 is hooked on the metal fitting and the loading vehicle 52 is loaded. The loaded vehicle 52 is stopped by placing a front wheel on the step board 7, the winch device 13 is operated, the wire 14 is pulled out, and the hook of the wire 14 is connected to the pulling hook of the loaded vehicle 52. Then, when the engine of the loaded vehicle 52 is stopped, the transmission is set to neutral and the side brake is also released, and then the winch device 13 is operated to the rewinding side of the wire 14 so that the loaded vehicle 52 is moved to the vehicle mounting base 6 side. Pull up to a predetermined position.

  After the loaded vehicle 52 is pulled up to a predetermined position on the vehicle mounting platform 6 with the wire 14, a hydraulic operation lever (not shown) is operated to operate the cylinder 12 in the contracting direction so that the lifting link 12 is moved forward. When the vehicle is lowered, the vehicle mounting platform 6 overlaps the chassis 4 and becomes horizontal. In this state, the transmission of the loaded vehicle 52 is set at the parking position, the side brake is applied, and a procedure for fixing the loaded vehicle 52 to the vehicle mounting base 6 is performed as necessary. Then, the step board 7 attached to the rear end metal fitting of the vehicle mounting frame 6 is removed from the metal fitting and pushed into the left and right central portion of the vehicle mounting frame 6 to be stored and fixed, and the front mounting frame 41 and the rear mounting frame 42 are fixed. The vehicle mounting stand 6 is fixed to the chassis 4 with the provided locking device. As described above, when the loading operation of the loaded vehicle 52 is completed, the transportation operation is started toward the destination. When the truck 1 arrives at the destination, the loaded vehicle 52 is lowered from the vehicle mounting platform 6 of the truck 1. The loading / unloading work may be performed in the reverse procedure of loading the loaded vehicle 52. Further, the loading / unloading of the loaded vehicle may be a method in which the loaded vehicle is self-propelled instead of being lifted by the winch method.

  On the other hand, FIGS. 8 to 9 show other embodiments, and when loading / unloading the loaded vehicle 52 to / from the truck 1, the following procedure may be used. First, the locking device (not shown) with the chassis 4 of the vehicle mounting platform 6 is released, and the hydraulic cylinder 12 is operated in the extending direction by operating a hydraulic operation lever (not shown), and the elevating link 11 is raised. As a result, the vehicle mounting platform 6 moves backward while rotating the auxiliary wheels 10, 10, and when the hydraulic cylinder 12 is at the stroke end and the lifting link 11 is stopped, the vehicle mounting platform 6 is provided at the rear lower portion of the vehicle mounting platform 6. The stand roller 16 is brought into contact with the ground, and the vehicle mounting platform 6 is in a low and low loading / unloading posture. Next, after the upright tailgate 8 is unfolded by an electric cylinder (not shown), the loaded vehicle 52 is placed on the tailgate 8 and the engine is stopped. 14 is pulled up to a predetermined position of the vehicle mounting platform 6. Then, after the deployed tailgate 8 is brought into an upright state by the electric cylinder, the hydraulic cylinder 12 is operated in the contracting direction by the hydraulic operation lever so that the vehicle mounting frame 6 is horizontally restored on the chassis 4 and the vehicle mounting is performed. The frame 6 is fixed to the chassis 4 by a lock device. In this state, the transmission of the loaded vehicle 52 is set at the parking position, the side brake is applied, and a procedure for fixing the loaded vehicle 52 to the vehicle mounting base 6 is performed as necessary. When the loading operation of the loaded vehicle 52 is completed as described above, the operation moves to the transportation operation, and the loading / unloading operation at the destination may be performed in the reverse procedure of performing the loading operation.

  Next, FIG. 10 to FIG. 11 show a structure in which the vehicle mounting base 6 is divided into two parts and folded and stored in a structure in which a turning bearing 19 is provided on the vehicle mounting base 6 side as in FIG. The loading / unloading operation of the loaded vehicle 52 may be performed according to the procedure described above. The wire 14 of the winch device 13 is used for loading and unloading the loaded vehicle 52, and can be used when the vehicle mounting base 6 is folded and stored in the empty state of the truck 1, respectively. The lighting device 40 provided at the rear end of the mounting table 6 is visible when viewed from the rear when the vehicle mounting table 6 is folded and retracted and the lighting device 40 is pivotally fixed downward in conjunction with the mounting table 6. It is.

  In the above embodiment, the gas implements 15 and 15 for restricting the rotation of the auxiliary frame 9 that is rotatably provided via the swing bearing 19 may use a gas cylinder in addition to the spring. May be used in combination. In the invention of claim 3, the rear chassis 48 having the auxiliary wheels 10 and 10 is pivotally supported for folding up and down so that it can be used to prevent unevenness on the road surface of the traveling road. Thus, even when a vertical difference between the rear wheel 3 of the truck 1 and the auxiliary wheels 10 and 10 occurs, the auxiliary wheels 10 and 10 may be configured to move up and down following the road surface.

  The invention of the present invention can be applied to the platform of a vehicle transporter widely from a small truck by making use of the characteristics of a small turn, and can be used, for example, by a driver to transport a vehicle and a customer at the same time, However, it may be used for delivering a car or transporting a broken vehicle, and can also be applied as a loading platform device for a transporting vehicle that can be transported in a structure on which a leisure boat or motorcycle is mounted.

DESCRIPTION OF SYMBOLS 1 Truck 4 Chassis 6 Vehicle mounting stand 7 Step board 8 Tail bridge 9 Auxiliary frame 10 Auxiliary wheel 11 Lifting link 12 Lifting tool (hydraulic cylinder)
13 Winch Device 14 Wire 15 Spring Equipment (Spring)
16 Stand Roller 18 Wire Roller 19 Slewing Bearing 24 Electric Cylinder 25 Lock Pin 30 Leaf Spring Bracketing Section 32 Shock Absorber 33 Armature Tool Mounting Member 38 Axle
41 Front Stand 42 Back Stand 43 Arm 47 Front Chassis 48 Rear Chassis 50 Electric Cylinder 51 Movable Frame 57 Hydraulic Cylinder 71 Electric Cylinder

Claims (3)

  A vehicle mounting platform is installed on the upper surface of the truck chassis, and the front side of the vehicle mounting platform is connected and fixed to the lifting link and extended toward the rear of the chassis. In the vehicle transporting truck configured to be switchable and supportable between a vehicle loading / unloading posture in which the vehicle is inclined and loaded and a vehicle transporting posture in which the vehicle is mounted and transported in a substantially horizontal state, the vehicle mounting platform The chassis of the truck is extended to the rear lower part of the vehicle, and a swing bearing is disposed. An auxiliary frame is provided rotatably through the swing bearing, and a movable frame having auxiliary wheels at the lower part of the auxiliary frame. A vehicle transport truck, characterized in that the body is configured to be movable back and forth, and the support shaft of the auxiliary wheel is displaced forward or backward from the center position of the swivel bearing.   2. The vehicle transport truck according to claim 1, wherein an elastic device for restricting rotation of the auxiliary frame body is attached to the auxiliary frame body having the auxiliary wheel and the movable frame body.   The vehicle mounting frame and the chassis of a truck are divided into front and rear parts, and the vehicle mounting frame and a chassis having auxiliary wheels are connected to each other so as to be pivotable in the vertical direction, and can be folded. 3. A vehicle transport truck according to 1 or 2.