CN212980202U

CN212980202U - Transport vehicle and transport device for vehicle transportation

Info

Publication number: CN212980202U
Application number: CN202021786212.4U
Authority: CN
Inventors: 朱延章; 赵永春; 曲家波; 刘善良
Original assignee: CRRC Harbin Rolling Stock Co Ltd
Current assignee: CRRC Harbin Rolling Stock Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-16
Anticipated expiration: 2030-08-24

Abstract

The utility model provides a vehicle transportation is with transporting car and conveyer relates to vehicle transportation technical field, vehicle transportation is with transporting car is including interconnect's chassis and wheel mechanism, wheel mechanism includes anti-disengaging structure and the deflector that connects gradually, bears saddle and shaft group, the one end and the chassis fixed connection of deflector, the other end and the saddle sliding connection that bears of deflector, it is suitable for along the direction of height removal of deflector to bear the saddle, shaft group is including interconnect's wheel and shaft, it is the arc structure to bear the saddle, and the profile shape of shaft and the inner wall phase-match that bears the saddle, the shaft is suitable for bear the saddle internal rotation, anti-disengaging structure includes the body, the body sets up in the below of shaft, and the both ends of body all can be dismantled with the chassis and be connected. Compared with the prior art, the utility model discloses simple structure, convenient to use, anti-disengaging structure dismantles conveniently, and easily maintenance is changed, can avoid the shaft to deviate from, ensures transportation vehicles and operating personnel's safety.

Description

Transport vehicle and transport device for vehicle transportation

Technical Field

The utility model relates to a vehicle transportation technical field particularly, relates to a vehicle transportation is with car and device of transporting by reverse.

Background

The JSQ type vehicle transport special vehicle mainly takes two types of JSQ6 type concave bottom double-layer transport vehicle special vehicle and JSQ5 type double-layer transport vehicle special vehicle at present. Two kinds of motorcycle types need be transported in the factory under two kinds of repair journey of railway freight car factory, section repair in order to accomplish the maintenance work of two kinds of motorcycle types, ordinary vehicle generally uses the platform of leading a car to transport the vehicle, but because the vehicle distance of two kinds of motorcycle types of JSQ6 type and JSQ5 is 20800mm, compare in other general railway freight cars distance longer, the length of platform of leading a car can not satisfy the requirement of vehicle distance, consequently can't transport the vehicle with the platform of leading a car, lead to the maintenance work operation inconvenience of two kinds of motorcycle types of JSQ6 type and JSQ5 type, and current platform of leading a car at the track is uneven, the shaft is deviate from easily, the security is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be that the length of current car pulling platform can not satisfy the vehicle distance of two kinds of motorcycle types of JSQ6 type and JSQ5 type, can't transport the vehicle with car pulling platform, lead to overhauing the work operation inconvenience, and current car pulling platform at the track is uneven, and the shaft is deviate from easily, at least one aspect in the security is low.

In order to solve the problems, the utility model provides a transport vehicle for vehicle transportation, which comprises a chassis and a wheel mechanism which are connected with each other, wherein the wheel mechanism is arranged at the bottom of the chassis and comprises an anti-drop structure and a guide plate, a bearing saddle and a wheel shaft group which are connected in sequence,

one end of the guide plate is fixedly connected with the underframe, the other end of the guide plate is connected with the bearing saddle in a sliding way, the bearing saddle is suitable for moving along the height direction of the guide plate,

the wheel shaft group comprises wheels and wheel shafts which are mutually connected, the bearing saddle is of an arc-shaped structure, the outline shape of the wheel shaft is matched with the inner wall of the bearing saddle, the wheel shaft is suitable for rotating in the bearing saddle,

the anti-disengaging structure comprises a body, wherein the body is arranged below the wheel shaft, and the two ends of the body are detachably connected with the underframe.

Preferably, a space is arranged between the anti-falling structure and the wheel shaft, and the range of the space is 5-10 mm.

Preferably, the anti-disengaging structure further comprises a screw fixedly connected with the underframe, and nuts matched with the screw are arranged at two ends of the body.

Preferably, the body is of a U-shaped structure.

Preferably, the underframe comprises a bearing beam and a side bearing beam which are connected with each other, the side bearing beam is connected with the guide plate, and the bearing beam is connected between the two side bearing beams.

Preferably, the underframe further comprises a bearing platform connected with the bearing beam, and the bearing platform is arranged above the bearing beam.

Preferably, the underframe further comprises a first base plate arranged above the bearing platform, and the first base plate is used for contacting with a vehicle.

Preferably, the underframe further comprises a side bearing support device connected with the side bearing beam, the side bearing support device is arranged above the side bearing beam and comprises a side bearing seat and a side bearing body, the side bearing seat is detachably connected with the side bearing beam, and a second groove suitable for placing the side bearing body is arranged in the side bearing seat.

Preferably, the vehicle transportation transport vehicle further comprises a connecting structure, the connecting structure is arranged at one end of the underframe, and the connecting structure is used for connecting the adjacent vehicle transportation transport vehicle.

Compared with the prior art, the vehicle transportation with the fortune car, simple structure, convenient to use can satisfy the fortune demand of vehicle transportation, the vehicle maintenance of being convenient for, and be equipped with anti-disengaging structure, simple structure, it is convenient to dismantle, easily maintenance is changed, can avoid causing the shaft to deviate from because of the uneven vehicle of track is beated, ensures fortune vehicle and operating personnel's safety.

In order to solve the technical problem, the utility model also provides a vehicle transportation is with device of transporting, including connecting rod and at least two vehicle transportation with the car of transporting, and two vehicle transportation is with the car of transporting all including connection structure, the connecting rod passes through connection structure connects in two between the vehicle transportation with the car of transporting.

Compared with the prior art, vehicle transportation with the device of transporting backwards through the connecting rod of changing different length, can satisfy the vehicle transportation of various vehicle distances, the flexibility is strong, just vehicle transportation with the device of transporting backwards for other advantages of prior art with vehicle transportation is the same with the car of transporting backwards, no longer gives unnecessary details here.

Drawings

Fig. 1 is a first schematic structural diagram of a vehicle transportation transport vehicle according to an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic structural view of a transfer cart for vehicle transportation according to an embodiment of the present invention;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a top view of FIG. 4;

FIG. 7 is a first schematic structural view of the assembly of the vehicle transporting and transporting device and the transporting vehicle according to the embodiment of the present invention;

FIG. 8 is a second schematic structural view of the assembly of the vehicle transporting and transporting device and the transporting vehicle according to the embodiment of the present invention;

fig. 9 is a partially enlarged schematic view of a portion a of fig. 8.

Description of reference numerals:

the device comprises an underframe 1, a load-bearing beam 11, a side bearing beam 12, a bearing platform 13, a side bearing support 14, a side bearing seat 141, a side bearing body 142, a first base plate 15, a second base plate 16, a guide plate 2, a bearing saddle 3, a wheel axle group 4, a wheel 41, a wheel axle 42, an anti-falling structure 5, a body 51, a screw 52, a nut 53, a connecting structure 6 and a connecting rod 7.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the forward direction of "X" in the drawings represents the forward direction, the reverse direction of "X" represents the rear direction, the forward direction of "Y" represents the upper direction, the reverse direction of "Y" represents the lower direction, the forward direction of "Z" represents the left direction, the reverse direction of "Z" represents the rear right direction, and the directions or positional relationships indicated by the terms "X", "Y" and "Z" are based on the directions or positional relationships shown in the drawings of the specification, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. The description of the term "some specific embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-3, the embodiment of the utility model provides a vehicle transportation is with transporting car, including interconnect's chassis 1 and wheel mechanism, wheel mechanism sets up in the bottom of chassis 1, and wheel mechanism includes anti-disengaging structure 5 and the deflector 2 that connects gradually, bears saddle 3 and shaft group 4.

One end of the guide plate 2 is fixedly connected to the chassis 1, and the other end of the guide plate 2 is slidably connected to the bearing saddle 3, so that the bearing saddle 3 is adapted to move along the height direction of the guide plate 2, and it should be noted that the height direction of the guide plate 2 in this embodiment is the direction Y in the drawing.

The axle set 4 comprises wheels 41 and axles 42 connected to each other, the bearing saddle 3 has an arc-shaped structure, and the contour of the axle 42 matches with the inner wall of the bearing saddle 3, so as to be suitable for the axle 42 to rotate in the bearing saddle 3, in some specific embodiments, the bearing saddle 3 has a semi-circular structure, and the structure is simple.

Anti-disengaging structure 5 includes body 51, and body 51 sets up in the below of shaft 42, and the both ends of body 51 all can dismantle with chassis 1 and be connected. Set up in the below of shaft 42 through anti-disengaging structure 5, can avoid causing shaft 42 to deviate from because of the uneven vehicle of track is beated, ensure transportation vehicle and operating personnel's safety, and anti-disengaging structure 5 both ends all can be dismantled with chassis 1 and be connected, dismantle the convenience, easily maintenance is changed.

In the present embodiment, the axle 42 comprises an axle and a bearing which are cooperatively connected, and in some preferred embodiments, the axle is a railway wagon LZ50 steel axle, the bearing is a 352226 x 2-2RZ type rolling bearing, the axle weight of the axle is 25t, the load requirement of the vehicle can be met, and the axle is particularly suitable for transportation of JSQ type vehicles. In addition, in this embodiment, the wheel 41 is a light-weight rolled steel wheel 41 with a diameter of 590mm, which can ensure the height of the bearing surface of the underframe 1.

In this embodiment, the guide plate 2 is a straight plate structure, and the guide plate 2 is a steel plate with a specification of 110 × 90 × 20mm, which is simple in structure and easy to machine. In this embodiment, bear saddle 3 including bearing the saddle body, and bear the both ends setting of saddle body and deflector 2 assorted spout, the width of spout cooperatees with the width of deflector 2 promptly, and the height of spout is suitable for deflector 2 and can slide from top to bottom in the spout.

In this embodiment, the space is provided between the anti-slip structure 5 and the axle 42, which does not affect the normal rotation of the axle 42, and the space is 5-10mm, when the axle 42 jumps, the anti-slip device can block the axle 42 from going downward, and at the same time, because the downward displacement distance is limited, the bearing saddle 3 will not fall off the constraint action of the guide plate 2, thereby preventing the axle 42 from falling off. In some specific embodiments, the interval is 6mm, the rotation of the wheel shaft 42 is not affected, and the anti-falling effect is good.

In some preferred embodiments, the anti-dropping structure 5 further includes a screw 52 fixedly connected to the chassis 1, and nuts 53 cooperating with the screw 52 are disposed at two ends of the body 51, and the body 51 is fixed below the axle 42 by cooperation of the screw 52 and the nut 53. In the present embodiment, there is no limitation on the fixing connection manner of the screw 52 and the chassis 1, and in some preferred embodiments, the screw 52 and the chassis 1 are connected by welding, so that the connection is convenient and firm.

In some preferred embodiments, the body 51 has a U-shaped structure, which is simple in structure, and the inner wall of the U-shaped structure is adapted to the contour shape of the axle 42, so as to prevent the axle 42 from being pulled out when the axle 42 jumps. In some preferred embodiments, the U-shaped structure has a first connecting portion and a second connecting portion connected to each other, the second connecting portion is disposed between the two first connecting portions, the second connecting portion is an arc-shaped structure, and the first connecting portion and an inner wall of the second connecting portion are in smooth transition connection, when the vehicle with the uneven track jumps, the wheel axle 42 contacts the anti-disengaging structure 5, so as to prevent the wheel axle from disengaging, and ensure the safety of the vehicle and the operator.

In this embodiment, the underframe 1 comprises a carrier beam 11 and a side bolster 12 connected to each other, and the carrier beam 11 is connected between the two side bolsters 12. The connection mode of the load beam 11 and the side bolster 12 is not limited in this embodiment, and in some preferred embodiments, the load beam 11 and the side bolster 12 are connected by welding, so that the connection is convenient and firm. In some preferred embodiments, the load beam 11 and the side bolster 12 are shaped, simple in construction and easy to machine.

As shown in fig. 4-6, in some preferred embodiments, the undercarriage 1 further comprises a platform 13 connected to the load beam 11, and the platform 13 is disposed above the load beam 11. In this embodiment, the connection manner between the carrier beam 11 and the platform 13 is not limited, and in some preferred embodiments, the carrier beam 11 and the platform 13 are connected by bolts, so that the connection is convenient and firm.

In some preferred embodiments, the undercarriage 1 further comprises a first pad 15 disposed above the platform 13, the first pad 15 being for contact with a vehicle. In some specific embodiments, the first pad 15 is made of rubber material, which increases the friction force with the vehicle, so that the vehicle is not easy to slip out of the underframe 1. In this embodiment, the connection manner between the bearing platform 13 and the first cushion plate 15 is not limited, and in some preferred embodiments, the first cushion plate 15 is fixed on the bearing platform 13 by a countersunk head bolt, so that the connection is convenient and firm.

In some preferred embodiments, undercarriage 1 further includes side bearing support 14 coupled to side bolster 12 to prevent the vehicle from tipping sideways. The side bearing support device 14 is disposed above the side bolster 12, and the side bearing support device 14 includes a side bearing seat 141 and a side bearing body 142, the side bearing seat 141 is detachably connected to the side bolster 12, and a second groove suitable for receiving the side bearing body 142 is disposed in the side bearing seat 141. The shape of the second groove in this embodiment matches the contour of side bearing body 142, and is suitable for side bearing body 142 to enter the second groove and not easily to exit the second groove.

In this embodiment, the connection manner between the side bearing seat 141 and the side bolster 12 is not limited, and in some preferred embodiments, the side bearing seat 141 and the side bolster 12 are connected by bolts, so that the connection is convenient and firm.

In some preferred embodiments, the vehicle-transporting carriage further comprises a connecting structure 6, the connecting structure 6 is disposed at one end of the underframe 1, and the connecting structure 6 is used for connecting adjacent vehicle-transporting carriages. In some preferred embodiments, the connection structure 6 includes a connection plate connected with the bottom chassis 1 and a first connection hole provided on the connection plate.

Consequently, the vehicle transportation of this embodiment is with transporting car, simple structure, convenient to use, when needs transporting car, can directly arrange the vehicle in the chassis on, satisfy the transporting demand of vehicle transportation, the vehicle maintenance of being convenient for, and be equipped with anti-disengaging structure 5, simple structure, it is convenient to dismantle, and easy maintenance is changed, can avoid beating because of the uneven vehicle of track and cause shaft 42 to deviate from, ensures transporting car and operating personnel's safety.

The embodiment also provides a vehicle transportation transporting device, including connecting rod 7 and at least two vehicle transportation transporting vehicles, and two vehicle transportation transporting vehicles all include connection structure 6, and connecting rod 7 passes through connection structure 6 to be connected between two vehicle transportation transporting vehicles.

In some preferred embodiments, the two ends of the connecting rod 7 are provided with second connecting holes, and the first connecting hole and the second connecting hole are connected through a round pin, so that the connection is convenient and firm.

Consequently, the vehicle transportation of this embodiment is with the device of transporting backwards through the connecting rod 7 of changing different length, can satisfy the vehicle transportation of various vehicle distances, and the flexibility is strong, just the utility model discloses a vehicle transportation is with the device of transporting backwards the same with the vehicle transportation for other advantages of prior art, no longer gives unnecessary details here.

Example 1

As shown in fig. 7, the vehicle transportation reversing device in this embodiment includes two vehicle transportation reversing vehicles, and is suitable for transportation of JSQ6 type vehicles, and the vehicle transportation reversing vehicle in this embodiment includes chassis 1 and wheel mechanism that are connected to each other, and the wheel mechanism is disposed at the bottom of chassis 1, and the wheel mechanism includes anti-disengaging structure 5 and deflector 2, saddle 3 and axle group 4 that connect gradually.

The axle set 4 comprises a wheel 41 and an axle 42 connected with each other, the bearing saddle 3 is of a semicircular structure, and the contour shape of the axle 42 is matched with the inner wall of the bearing saddle 3, so that the axle 42 can rotate in the bearing saddle 3.

In this embodiment, the axle 42 comprises an axle and a bearing which are mutually matched and connected, the axle is a railway wagon LZ50 steel axle, the bearing is a 352226 x 2-2RZ type rolling bearing, the axle weight of the axle is 25t, the load requirement of the vehicle can be met, and the axle is particularly suitable for transportation of JSQ type vehicles. In addition, in this embodiment, the wheel 41 is a light-weight rolled steel wheel 41 with a diameter of 590mm, which can ensure the height of the bearing surface of the underframe 1.

In this embodiment, the space is provided between the anti-slip structure 5 and the wheel axle 42, and the space is 5mm, which does not affect the rotation of the wheel axle 42, and the anti-slip effect is good. Anti-disengaging structure 5 still includes the screw rod 52 with chassis 1 fixed connection, and the both ends of body 51 set up with screw rod 52 matched with nut 53, fixes body 51 in the below of shaft 42 through the cooperation of screw rod 52 with nut 53, and screw rod 52 links to each other with chassis 1 welding, connects conveniently and firmly. The body 51 is of a U-shaped structure, the structure is simple, the inner wall of the U-shaped structure is matched with the outline shape of the wheel axle 42, and the wheel axle 42 is prevented from being separated when the wheel axle 42 jumps.

In this embodiment, the underframe 1 comprises a carrier beam 11 and a side bolster 12 connected to each other, and the carrier beam 11 is connected between the two side bolsters 12. And the bearing beam 11 and the side bearer beam 12 are connected by welding, so that the connection is convenient and firm.

The vehicle transportation is with transporting car in this embodiment still includes connection structure 6, and connection structure 6 sets up in the one end of chassis 1. The connection structure 6 includes a connection plate connected with the bottom frame 1 and a first connection hole provided on the connection plate.

When the vehicle transportation device in the embodiment is used for transporting JSQ6 type vehicles, the length of the connecting rod 7 is 6000mm, the second connecting hole on the connecting rod is fixedly connected with the first connecting hole through a round pin, so that the connecting rod is connected between the two vehicle transportation vehicles, the bearing beam 11 and the side bearing beam 12 are provided with the second base plate 16, the second base plate 16 is fixed on the bearing beam 11 and the side bearing beam 12 through a sunk bolt, the surface of the second base plate 16 is provided with a fine groove for improving the surface friction coefficient, and the bearing position of the JSQ6 type vehicle is completely attached to the rubber plates arranged on the side bearing beam 12 and the bearing beam 11, so that the transportation of the JSQ6 type vehicle is realized.

Example 2

As shown in fig. 8 and 9, the transportation device for vehicle transportation provided in this embodiment includes two transportation vehicles for vehicle transportation, and is suitable for transportation of JSQ5 type vehicles, and the difference from embodiment 1 is that the chassis 1 further includes a bearing platform 13 connected to the carrier beam 11 in this embodiment, the bearing platform 13 is disposed above the carrier beam 11, and the carrier beam 11 is bolted to the bearing platform 13, so that the connection is convenient and firm.

In this embodiment, the undercarriage 1 further comprises a first pad 15 disposed above the platform 13, the first pad 15 being for contact with a vehicle. The first cushion plate 15 is fixed on the bearing platform 13 through a countersunk head bolt, and the connection is convenient and firm. The first backing plate 15 is made of rubber materials, so that the friction force between the first backing plate and the vehicle is increased, and the vehicle is not easy to slide out of the underframe 1.

In this embodiment, the undercarriage 1 further includes a side bearing support 14 coupled to the side bolster 12 to prevent the vehicle from tipping over sideways. The side bearing support device 14 is disposed above the side bolster 12, and the side bearing support device 14 includes a side bearing seat 141 and a side bearing body 142, the side bearing seat 141 is connected with the side bolster 12 by bolts, the connection is convenient and firm, and a second groove suitable for accommodating the side bearing body 142 is disposed in the side bearing seat 141.

When the vehicle transportation transfer device in the embodiment is used for transporting JSQ5 type vehicles, the length of the connecting rod 7 is 9800mm, the second connecting hole on the connecting rod is fixedly connected with the first connecting hole through a round pin, so that the connecting rod is connected between the two vehicle transportation transfer vehicles, the bearing position of the bearing platform 13 is the bottom center sill of the JSQ5 type vehicle and is used for bearing the weight of the JSQ5 type vehicle, and the bearing position of the side bearing platform 141 is the bottom cross sill of the JSQ5 type vehicle, so that the lateral tilting prevention risk of the vehicle is improved.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. The reverse transport vehicle for vehicle transportation is characterized by comprising an underframe (1) and a wheel mechanism which are connected with each other, wherein the wheel mechanism is arranged at the bottom of the underframe (1), the wheel mechanism comprises an anti-falling structure (5), and a guide plate (2), a bearing saddle (3) and a wheel shaft group (4) which are connected in sequence,

one end of the guide plate (2) is fixedly connected with the underframe (1), the other end of the guide plate (2) is connected with the bearing saddle (3) in a sliding way, the bearing saddle (3) is suitable for moving along the height direction of the guide plate (2),

the wheel shaft group (4) comprises wheels (41) and a wheel shaft (42) which are connected with each other, the bearing saddle (3) is of an arc-shaped structure, the outline shape of the wheel shaft (42) is matched with the inner wall of the bearing saddle (3), the wheel shaft (42) is suitable for rotating in the bearing saddle (3),

the anti-falling structure (5) comprises a body (51), the body (51) is arranged below the wheel shaft (42), and two ends of the body (51) are detachably connected with the underframe (1).

2. The vehicle-transporting dumper according to claim 1, wherein a space is provided between the anti-slip structure (5) and the wheel axle (42), and the space ranges from 5mm to 10 mm.

3. The vehicle transportation dumper according to claim 2, wherein the anti-dropping structure (5) further comprises a screw (52) fixedly connected with the underframe (1), and nuts (53) matched with the screw (52) are arranged at two ends of the body (51).

4. The vehicle-transport dumper according to claim 1, wherein said body (51) is of a U-shaped structure.

5. A vehicle-transporting dumper according to claim 1, characterized in that said under-frame (1) comprises a carrier beam (11) and side bearers (12) connected to each other, said side bearers (12) being connected to said guide plates (2), said carrier beam (11) being connected between the two side bearers (12).

6. A vehicle-transporting dumper according to claim 5, characterized in that said under-frame (1) further comprises a bearing platform (13) connected with said carrier beam (11), and said bearing platform (13) is disposed above said carrier beam (11).

7. The vehicle-transporting dumper according to claim 6, characterized in that said base frame (1) further comprises a first pad (15) disposed above said cap (13), said first pad (15) being for contact with a vehicle.

8. The vehicle-transporting dumper according to claim 5, wherein said underframe (1) further comprises a side bearing support device (14) connected with said side bolster (12), said side bearing support device (14) being disposed above said side bolster (12), and said side bearing support device (14) comprising a side bearing seat (141) and a side bearing body (142), said side bearing seat (141) being detachably connected with said side bolster (12), and a second groove adapted to receive said side bearing body (142) being disposed in said side bearing seat (141).

9. The vehicle-transporting dumper according to claim 1, further comprising a connecting structure (6), wherein the connecting structure (6) is provided at one end of the underframe (1), and the connecting structure (6) is used for connecting the adjacent vehicle-transporting dumpers.

10. A vehicle-transporting shuttle, characterized in that it comprises a connecting rod (7) and two vehicle-transporting shuttles as claimed in any of claims 1 to 9, and both of said vehicle-transporting shuttles comprise a connecting structure (6), said connecting rod (7) being connected between the two vehicle-transporting shuttles by said connecting structure (6).