WO2022199336A1 - Highway-railway dual-purpose multi-shaft power flatbed car and car set - Google Patents

Abstract

A highway-railway dual-purpose multi-shaft power flatbed car and a car set. At least three wheel carrier mechanisms are sequentially arranged on the lower side of a car body (1-1) at intervals from front to back; rail wheels are connected to the wheel carrier mechanisms; the wheel carrier mechanism on the foremost side and the wheel carrier mechanism on the rearmost side are bogies (1-3); and the remaining wheel frame mechanisms are power frames (1-4). According to the flatbed car and the car set, a combined structure is simple and feasible, and easy to mount and dismount; the car body can run on erected steel rails and a tunnel cushion layer, and can adapt to various working environments; the flatbed car for carrying goods is used for directly providing power, the original goods carrying mode that the flatbed car is dragged by a rail car is replaced, the occupied space in a tunnel in a material transportation process is reduced, and the material loading and unloading efficiency is improved; and a three-axle car body is used, such that steering torque of the car body is reduced, and stability of the car body during steering is improved.

Description

Road and rail dual-purpose multi-axle power flatbed truck and set technical field

The utility model relates to the technical field of rail engineering, in particular to a road-rail dual-purpose multi-axle power flatbed car and a train set.

Background technique

The track laying project is a key link in the urban rail construction project, and it is a major construction node. The completion of the track laying construction marks an important step in the transition of an urban rail engineering line from civil construction to equipment installation construction and to the trial operation stage of the line. Track laying construction consists of a series of related construction procedures. Among these many procedures, rail material transportation is one of the key procedures. It is the process of transporting the main materials of the track bed such as rail row and track slab to the position of the construction work surface. It is also the process of rail laying construction. The key steps in whether the job can be completed in order.

In urban rail transit rail material transportation, rail cars and flatbed trucks are often used to transport the main materials of the track bed such as rail rows and track slabs. The traditional rail material transportation method usually uses a gantry crane to hoist the rail row from the discharge port to the flatbed car on the underground main line track, cooperate with the traction of the rail car, push the flatbed car in reverse to the construction work surface, and hoist the rail row to the construction work surface through the track laying machine. installation location. In this process, when the flatbed truck transports the long rail row and pushes the rail material in the reverse direction, the perspective of the rail car driver is affected to a certain extent. The structure of the traffic section limits the axle load; when the steel wheel is driven, the weight of the flatbed car and the rail car is different, and it is easy to tilt.

At the same time, the rail car and the flatbed car, as special equipment, can only run on the erected rails. At present, with the rise of prefabricated panel construction, there is a new demand for rail material conveying equipment to be able to run on the tunnel cushion, and traditional equipment has been unable to meet this demand.

Utility model content

The purpose of the utility model is to solve the deficiencies of the prior art, to provide a dual-purpose multi-axle powered flat car and a train set, and to solve the inconvenience of the existing rail car and the flat car in cooperating with the towing operation.

In order to achieve the above purpose, a dual-purpose multi-axle powered flatbed truck is designed, which includes: a main body of the car body, and at least three wheel frame mechanisms are arranged on the lower side of the main body of the car body in sequence from front to back. A track wheel is connected to the wheel frame mechanism, wherein the frontmost wheel frame mechanism and the rearmost wheel frame mechanism are bogies, and the remaining wheel frame mechanisms are power frames; an energy supply mechanism and a drive mechanism, the energy supply mechanism It is connected with the driving mechanism, and the driving mechanism is used for driving the track wheel on the power frame.

Preferably, the bogie includes: a first connecting plate; a steering driving mechanism connected with the first connecting plate; a steering connecting plate rotatably connected with the first connecting plate, the steering connecting plate It is connected with the steering driving mechanism, and is connected with the track wheel of the bogie, so as to drive the track wheel of the bogie to turn.

Preferably, the power frame includes: a second connection plate; a transmission assembly connected with the second connection plate, the transmission assembly is matched with the drive mechanism; matched with the transmission assembly track wheel.

Preferably, a mounting groove is provided on the rail wheel, and a rubber wheel is provided in the mounting groove.

Preferably, the mounting groove is provided with a reserved hole for connecting the rubber wheel with bolts.

Preferably, connecting hooks are respectively provided on the front and rear sides of the vehicle body main body.

The utility model also relates to a road-rail dual-purpose multi-axle power flatbed car set, comprising at least two of the road-rail dual-purpose multi-axle power flatbed vehicles, and the at least two road-rail dual-purpose multi-axle power flatbed vehicles are in sequence front and rear. connected.

The road-rail dual-purpose multi-axle power flatbed vehicle group further includes a control mechanism, and the wheel frame mechanisms of the at least two road-rail dual-purpose multi-axis power flatbed vehicles are signally connected to the control mechanism.

Compared with the prior art, the utility model has a simple and feasible combined structure, is easy to install and disassemble, and has the advantages of:

1. The road and rail dual-purpose wheel set is adopted, and the car body can run on the erected rails and the tunnel cushion, and can adapt to various working environments.

2. The battery is used as the power source to replace the original rail car using the internal combustion engine as the power source to reduce exhaust emissions when running in the tunnel.

3. The flatbed truck that carries the goods is used to directly provide power, replacing the original mode of transporting the flatbed truck by the rail car, reducing the space in the tunnel occupied during the material transportation process, and improving the material loading and unloading efficiency.

4. The three-axle car body is adopted to reduce the steering torque of the car body, thereby improving the stability of the car body when turning.

Description of drawings

Fig. 1a is a top view of the vehicle body of a multi-axle powered flatbed vehicle for both road and rail.

Figure 1b is a left side view of the car body of a multi-axle powered flatbed truck for both road and rail.

Fig. 1c is a front view of the car body of a multi-axle powered flatbed truck for road and rail.

Figure 1d is a bottom view of the car body of a multi-axle powered flatbed truck for both road and rail.

Figure 2a is a front view of a bogie using steel wheels.

Figure 2b is a top view of a bogie using steel wheels.

Figure 3a is a front view of a power frame using a steel wheel.

Figure 3b is a side view of a power frame using a steel wheel.

Figure 4a is a front view of a power frame using rubber wheels.

Figure 4b is a side view of a power frame using rubber wheels.

Figure 5 is a front view of the rubber wheel.

In the picture: 1-1: main body of the car body 1-2: connecting hook 1-3: bogie 1-4: power frame 1-5: power supply system 1-6: drive motor 1-7: transmission universal joint 1- 8: Vibration damping device 2-1: Hydraulic cylinder 2-2: Steering connecting plate 2-3: First connecting plate 2-4: Replaceable wheel system 3-1: Transmission assembly 3-2: Second connecting plate 3 -3: Steel wheel set 4-1: Rubber wheel set.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings. The structure and principle of this device are very clear to those skilled in the art. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

This embodiment provides a dual-purpose multi-axle powered flatbed vehicle, which mainly includes a vehicle body main body 1-1, an energy supply mechanism and a driving mechanism. The lower side of the vehicle body main body 1-1 is sequentially spaced from front to back There are at least three wheel frame mechanisms, and rail wheels are connected to the wheel frame mechanisms. Among them, the foremost wheel frame mechanism and the rearmost wheel frame mechanism are bogies 1-3, and the rest of the wheel frame mechanisms are power frames 1-4; the energy supply mechanism is connected with the drive mechanism, and the drive mechanism is used to drive the rail wheels on the power frame 1-4.

Referring to FIG. 1a and FIG. 1b, in some embodiments, the vehicle body main body 1-1 includes an I-beam as a main beam, and steel plates are welded between the I-beams to maintain the stability of the connection, and the I-beams are The loading platform is formed by the thin steel plate skin, and the anti-slip protrusions are added on the loading platform to ensure that the materials to be carried can not slip off by simply fixing them during transportation.

In addition, connecting hooks 1-2 are also provided at the center positions of the short sides of the main body 1-1, so as to realize the connection of two adjacent road-rail dual-purpose multi-axis power flatbeds. When the three-axle power flatbed works in series, it can prevent the vehicle from being disconnected.

Referring to Fig. 1c and Fig. 1d, in some embodiments, the lower side of the vehicle body main body 1-1 is provided with three wheel frame mechanisms at intervals from front to rear. In other embodiments, the number of the wheel frame mechanisms may also be four, five, or six, etc., the number of which is not limited in this embodiment.

Among them, the first wheel frame mechanism and the last wheel frame mechanism are bogies 1-3. The bogies 1-3 are connected with the main body 1-1 of the vehicle body through the vibration damping device 1-8. During operation, the two bogies 1 -3 will work synchronously to provide steering capability for the car body when the two road-rail three-axle powered flatbeds are moving on the tunnel bedding. When the car body is running on the rails, the bogies 1-3 will not provide power for steering. The bogies 1-3 use hydraulic pressure as the power source, and the steering deflection angle is controlled by the driver.

The drive frame is arranged on the middle one of the three axles of the car body, that is, the second wheel frame mechanism is the power frame 1-4, the drive frame is also connected with the car body through the vibration damping device 1-8, and is connected with the car body through the universal joint. It is connected to the power motor as a driving mechanism to provide power for the whole vehicle to move forward.

The power supply mechanism can be a power supply mechanism, such as a power supply battery pack and a corresponding charging and discharging circuit, and the power supply mechanism is arranged in the space between the axles at the lower part of the vehicle body as the energy source of the whole vehicle.

In some embodiments, the bogie 1-3 includes a first connecting plate 2-3, a steering driving mechanism connected with the first connecting plate 2-3, and a steering driving mechanism connected with the first connecting plate 2-3 3. The steering connection plate 3-22-2 connected in rotation, the steering connection plate 3-22-2 is connected with the steering drive mechanism, and is connected with the track wheel of the bogie 1-3, used for Drive the track wheels of the bogies 1-3 to turn. For example, referring to Fig. 2a and Fig. 2b, the steering driving mechanism adopts a hydraulic cylinder 2-1, the output end of the hydraulic cylinder 2-1 is connected to one end of the first connecting plate 2-3, the first connecting plate The other end of 2-3 is connected to the track wheel and then connected to the bogie 1-3 in rotation.

In some embodiments, as shown in FIG. 3a and FIG. 3b, the power frame 1-4 includes a second connecting plate 3-2 and a transmission assembly 3-1 connected to the second connecting plate 3-2 and a track wheel matched with the transmission assembly 3-1, the transmission assembly 3-1 is matched with the drive mechanism.

In some embodiments, the rail wheel is provided with a mounting groove, and the mounting groove is provided with a rubber wheel. Preferably, there are reserved holes in the installation groove for connecting the rubber wheels with bolts. Combined with Figure 4a and Figure 4b, it is the wheel frame mechanism after the rubber wheel is assembled.

Further, this embodiment also provides a road-rail dual-purpose multi-axle power flatbed car set, comprising at least two of the road-rail dual-purpose multi-axle power flatbed vehicles, the at least two road-rail dual-purpose multi-axle power flatbeds. The flatbed trucks are connected one after the other.

In some embodiments, the multi-axle powered flatbed car set for road and rail also includes a control mechanism, and the control mechanism is arranged on any one of the multi-axle powered flatbed for road and rail or is arranged in a remote location. At the end server, the wheel frame mechanisms of the at least two road-rail dual-purpose multi-axis power flatbed vehicles are all connected with the control mechanism through wired or wireless signals, so that the control mechanism can uniformly control multiple multi-axis power flatbeds. Steering of the turret of the flatbed and driving of the power frames 1-4.

Further, the present embodiment also provides a method of using the multi-axle powered flat car for both road and rail. -4 Drive the track wheels of the multi-axle powered flatbed truck for both road and rail to travel along the track; when the multi-axle powered flatbed truck for road and rail is set on the road, a rubber wheel is installed on the wheel frame mechanism , and drive the rubber wheels of the road-rail dual-purpose multi-axle power flatbed vehicle to drive on the ground through the power frame 1-4, wherein the ground includes a smooth road such as a tunnel cushion.

Further, the present embodiment also provides a method of using the multi-axle powered flatbed trucks for road and rail, selecting the number of multi-axle powered flatbed trucks to be transported according to the length of the material to be transported, and using hoisting equipment. The road-rail dual-purpose multi-axis power flatbed trucks are hoisted to the track in turn, and then the road-rail dual-purpose multi-axis power flatbed vehicles are sequentially connected front and rear.

Example 1: Assembly of a road-rail dual-purpose three-axle powered flat car

The main body 1-1 of a three-axle power flatbed truck for both public and rail purposes is made of I-beams as the main beam, and the I-beams are welded with steel plates to ensure the stability of their connection. The I-beam is covered with a thin steel plate, and the steel plate is provided with anti-skid protrusions, which can ensure that the goods to be carried only need to be simply fixed during transportation without vertical and horizontal slippage.

The two short sides of the main body 1-1 are provided with connecting hooks, which facilitates the tandem operation of multiple three-axle powered flatbeds for both road and rail, and improves the stability of the flatbeds during the tandem operation.

The whole car adopts a three-axle design, in which the outer two axles are the steering axles of the car body, which are installed with bogies 1-3, and the middle one is the power shaft of the car body, which is installed with power frames 1-4.

Among them, the bogie 1-3 includes a hydraulic cylinder 2-1, a steering connecting plate 3-22-2, a first connecting plate 2-3, a replaceable wheel set system 2-4, and the hydraulic cylinder 2-1 provides power for the steering of the vehicle body The source, the push rod in the cylinder pushes the steering link plate 3-22-2 and then pushes the replaceable wheel system 2-4 to deflect to one side. The integral bogie 1-3 is connected with the vibration damping device 1-8 and the main body 1-1 of the vehicle body through the connecting plate 3-2.

Among them, the power frame 1-4 is also connected with the vibration damping device 1-8 and the vehicle body 1-1 through a second connecting plate 3-2 having the same structure as the first connecting plate 2-3 of the bogie 1-3. The main body of the power frame 1-4 is composed of a second connecting plate 3-2 and a transmission assembly 3-1, and is connected with the driving motor 1-6 on the vehicle body through the transmission universal joint 1-7, which is a dual-use three-axis public iron. The power flatbed provides forward power. Since the power frame 1-4 and the bogie frame 1-3 are of the same style, they can be easily replaced.

In addition, a power supply system 1-5 of the vehicle body is also arranged between the power frame 1-4 at the lower part of the vehicle body main body 1-1 and the bogie 1-3.

Example 2: A road-rail dual-purpose three-axle powered flatbed vehicle carries materials on the erected rails

First, select the number of road-rail dual-purpose power flatbeds to be used according to the length of the materials to be transported, secondly, use hoisting equipment such as gantry cranes to hoist the road-rail dual-purpose power flatbeds to the rails in the tunnel in turn, and then connect the power flatbeds to each other by connecting hooks 1-2. connect.

In the process of conveying, each powered flatbed provides power. In addition, due to running on the rail, the front and rear bogies 1-3 do not need to work, and the whole vehicle only needs the power frame 1-4 to provide power, and the running direction of the car body can be guided by the rail. After reaching the target location, since the height of the powered flatbed truck is smaller than the internal clearance height of the track laying machine or other hoisting equipment, the staff can directly use the track laying machine or other hoisting equipment in the tunnel for material shipment.

Example 3: A road-rail dual-purpose three-axle powered flatbed vehicle carries materials on the tunnel cushion

First, select the number of road-rail dual-purpose power flatbeds to be used according to the length of the materials to be transported, secondly, use hoisting equipment such as gantry cranes to hoist the road-rail dual-purpose power flatbeds to the rails in the tunnel in turn, and then connect the power flatbeds to each other by connecting hooks 1-2. connect.

In the process of conveying, each powered flatbed provides power. In addition, the bogies 1-3 are required to provide steering guidance for the car body due to driving on the tunnel cushion, and the deflection directions of the two front and rear bogies 1-3 are the same. The purpose is to reduce the torque when the vehicle rotates and improve the stability of the vehicle. .

After reaching the target location, since the height of the powered flatbed truck is smaller than the internal clearance height of the track laying machine or other hoisting equipment, the staff can directly use the track laying machine or other hoisting equipment in the tunnel for material shipment.

Example 4: System switching of a road-rail dual-purpose three-axis power flat wheel set

A road-rail dual-purpose three-axle power flatbed truck adopts two wheel set systems: steel wheel set 3-3 and rubber wheel set 4-1, wherein the steel wheel set 3-3 is used as a rail wheel for the whole vehicle on the rail. Driving, the rubber wheel set 4-1 is used for the whole vehicle to drive on the smooth road such as the tunnel cushion. The steel wheel set 3-3 is directly fixed on the axle, while the inner diameter of the rubber wheel set 4-1 is the same as the outer diameter of the steel wheel set 3-3, which can be installed on the steel wheel set 3-3 by socket connection and bolted through the reserved holes.

When the wheel set system needs to be switched, the car body needs to be jacked up, and then the rubber wheel set should be removed or installed, and finally reinforced with bolts.

Claims (8)

1. A road-rail dual-purpose multi-axle powered flatbed truck is characterized by comprising:

   The main body of the car body, the lower side of the main body of the car body is provided with at least three wheel frame mechanisms in sequence from front to back, and the wheel frame mechanisms are connected with track wheels, wherein the wheel frame mechanism on the frontmost side and the last wheel frame mechanism The wheel frame mechanism on the side is a bogie, and the other wheel frame mechanisms are power frames;

   An energy supply mechanism and a driving mechanism, the energy supply mechanism is connected with the driving mechanism, and the driving mechanism is used to drive the track wheels on the power frame.
2. The road-rail dual-purpose multi-axle powered flatbed truck according to claim 1, wherein the bogie comprises:

   the first connection board;

   a steering drive mechanism connected with the first connecting plate;

   A steering connecting plate rotatably connected with the first connecting plate, the steering connecting plate is connected with the steering driving mechanism, and is connected with the rail wheel of the bogie, used to drive the bogie track wheel steering.
3. The road-rail dual-purpose multi-axle powered flatbed truck according to claim 1, wherein the power frame comprises:

   the second connecting board;

   a transmission assembly connected with the second connecting plate, the transmission assembly is matched with the drive mechanism;

   A track wheel matched with the transmission assembly.
4. The road-rail dual-purpose multi-axle powered flatbed truck according to claim 1, wherein the rail wheel is provided with a mounting groove, and the mounting groove is provided with a rubber wheel.
5. The multi-axle powered flatbed truck for both public and rail purposes as claimed in claim 4, wherein said installation groove is provided with a reserved hole for connecting said rubber wheel with bolts.
6. The road-rail dual-purpose multi-axle powered flatbed vehicle as claimed in claim 1, characterized in that the front and rear sides of the main body of the vehicle are respectively provided with connecting hooks.
7. A road-rail dual-purpose multi-axle powered flatbed car set is characterized in that it comprises at least two road-rail dual-purpose multi-axle powered flatbed trucks according to any one of claims 1-6, the at least two road-rail dual-purpose vehicles The multi-axle power flatbed trucks are connected in turn.
8. The road-rail dual-purpose multi-axle powered flatbed car set according to claim 7, further comprising a control mechanism, and the wheel frame mechanisms of the at least two road-rail dual-purpose multi-axle powered flatbed vehicles are compatible with the control mechanism. Institution signals are connected.

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