JP3775822B2 - Derailment prevention device for rail transport vehicles - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a rail transport vehicle that loads and transports railroad rails, and specifically relates to a derailment prevention device that prevents derailment during travel of the rail transport vehicle.
[0002]
[Prior art]
In order to load and transport railway rails, conventionally, a truck with a crane column installed on one side is connected to a maneuvering vehicle with an interval of three, for example, and suspended from the beam of each column. The cranes are used to load the rails on a mounting table provided on the upper surface of each carriage, and these carriages are pulled and transported by the above-mentioned mobility vehicles.
[0003]
[Problems to be solved by the invention]
However, when the rails are loaded on the three carriages and transported as described above, if the vehicle approaches a place where the track (hereinafter referred to as the rail track) is curved, If a lateral pressure based on the displacement amount (lateral movement amount) of the loaded rail is applied to the carriage and the rail track is curved toward the column erected on the carriage, that is, For example, when the column is erected on the left end side of the carriage and the rail track is curved to the left, the weight unbalance of the carriage with the column erected on one side and the amount of displacement of the rail There was a problem that the right side of the intermediate carriage rises and derails in the traveling direction due to the accumulation of the lateral pressure based on.
[0004]
Incidentally, it can be easily understood that the above-mentioned derailment accident of the trucks connected in the middle also occurs in the second and third cars in the middle when, for example, four cars are connected.
[0005]
Therefore, the technical problem of the present invention is that rail tracks are loaded between at least three connected carts, and when these vehicles are pulled and transported, the rail track in which these transport vehicles are greatly curved. Even if it approaches the part, the lateral pressure applied to the intermediately connected cart is reduced as much as possible, and one side of this cart is not lifted to prevent derailment of the intermediately connected cart. .
[0006]
[Means for Solving the Problems]
Means taken in the present invention to solve the above technical problems are as follows.
[0007]
A truck with a column for crane standing on one side outside the center of the rail track with respect to the direction of travel is connected to the motor vehicle with at least three spaces between them. In a rail transport vehicle that loads and transports a rail for use in
[0008]
(1) A rail pedestal having an upper surface as a rail mounting surface is mounted on the upper surface of each of the carts so as to be horizontally rotatable, and the rail mounting surface of the rail pedestal attached to the cart connected to the intermediate portion is provided. the loading and rail constructed using superior member slidability for movement in the lateral direction, leading and the rail cradle rail mounting surface attached to each carriage for connecting to the end, the loading and rail with the friction coefficient of the timber or the like can be secured to the loading position it is constructed using a large member, opposite to the base plane across the rail track and one side column of the truck to be coupled to the intermediate that is erected In addition, the necessary number of counterweights can be mounted freely.
[0009]
(2) The rail mounting surface of the rail pedestal attached to the carriage connected in the middle should be constructed using a member having excellent sliding properties such as metal or plastic.
[0010]
(3) A large number of rollers should be mounted side by side on the rail mounting surface of the rail cradle attached to the cart connected in the middle.
[0011]
(4) A base stand with a column erected on one side is attached to the upper surface of the carriage so that it can be rotated. A rail cradle with the upper surface of the rail as a mounting surface can be horizontally rotated inside the base stand. On the other hand, a frame for attaching a counterweight shall be provided at the end of the side of the base that is attached to the cart that is connected in the middle where the column is not erected.
[0012]
[Action]
Each means described in the above (1) to (4) operates as follows.
[0013]
According to the means described in (1) above, the rail mounting surface of the rail cradle attached to the leading and trailing carts connected to the motor vehicle is configured using a member having a large coefficient of friction such as wood. Therefore, even if the vehicle approaches the curve of the rail track, the front and rear ends of the rail do not move greatly on the rail mounting surface, and a stable state is ensured at the loading position. rail cradle rail mounting surface provided on the linked carriages by configuring with excellent member sliding properties, be configured to put the rail ready move laterally, the curve In this part, the rail slides laterally on the rail mounting surface to reduce the lateral pressure as much as possible, so the transport vehicle in the curve can be operated safely and the derailment of the intermediately connected cart is prevented. Make it possible to do.
[0014]
Furthermore, according to the means described in (1), by column mounting the counterweight on the opposite platform across the rail track and the one side end being erected, the left and right carriage which is connected to the intermediate Therefore, even if the rail track is greatly curved to the side where the column is erected, the counterweight is balanced so that one side of the carriage connected in the middle does not float. Thus, it is possible to reliably prevent an accident in which a wheel on one side of the intermediate carriage is lifted and derailed.
[0015]
According to the means described in (2) above, the rail mounting surface of the rail pedestal provided in the intermediately connected carriage is configured using a member having excellent sliding properties such as metal or plastic. The intermediate portion of the rail is slid laterally at the curve portion of the rail track, thereby making it possible to reduce the lateral pressure on the intermediate carriage as much as possible.
[0016]
According to the means described in (3) above, since a large number of rollers are mounted side by side on the rail mounting surface of the rail cradle provided on the intermediately connected carriage, the rail track curve portion is provided. By sliding the intermediate portion in the lateral direction, it is possible to reduce the lateral pressure on the intermediate carriage as much as possible.
[0017]
According to the means described in (4) above, even if the rail track is largely curved to the side where the column is erected by attaching the necessary number of counterweights to the frame body in accordance with the number of rails to be loaded, the frame It is possible to prevent derailment of the carriage so that the counterweight attached to the body maintains a good balance and prevents the wheels of the intermediate carriage from floating.
[0018]
Since it is as mentioned above, the technical problem mentioned above can be solved by the above-mentioned means, and the problem of the above-mentioned conventional technology can be solved.
[0019]
【Example】
Hereinafter, a preferred embodiment of the above-described derailment prevention device for a rail vehicle according to the present invention will be described in detail with reference to the accompanying drawings.
[0020]
FIG. 1 shows that a total of three unloading vehicles, that is, carts TR1, TR2, and TR3, are connected to a motor vehicle MC at intervals using a connecting rod Y, and these carts TR1, TR2, and TR3 are connected to each other. It is a top view explaining the state which is loaded and transported in the state where the rail RL ... for railroads was hung on the base stands 1 and 20, and the drawing shows the above-mentioned transport vehicles MC to TR3 as rail tracks. The state where the RW is approaching to the place where the curve is greatly curved on the left side is shown.
[0021]
FIG. 2 is a front view of the trucks TR1 and TR3 connected to the leading and trailing sides of the mobile vehicle MC, respectively. The base table 1 is a disk which will be described later on the upper surface of each of the trucks TR1 and TR3. On the frame 1S that is mounted so as to be rotatable in the horizontal direction around the body and that is connected to one side (one end side) outside the center between the rail tracks RW with respect to the traveling direction. Column 2 is erected . Further, between the upper and lower brackets 2a and 2b projecting from the upper inner surface of the column 2, a root end pivoting portion 3a of a beam 3 for suspending a crane (not shown) is supported in a horizontally rotatable manner. The rail RL is loaded and unloaded on the base stand 1 (specifically, a rail cradle to be described later) using a crane while rotating the base stand 1 and the beam 3 left and right. .
[0022]
FIG. 6 is a plan view of the base 1 mounted on the base plate of each of the trucks TR1 and TR3 connected to the head and the tail described above so as to be freely rotatable in a horizontal direction using a disk body described later. In the figure, 1R... Denotes a guide roller of the base table 1 and 10 denotes a rail base attached to the interior 1H of the base table 1 so as to be rotatable in the horizontal direction around the rotation shaft 10A.
[0023]
FIG. 7 shows a plan view of a base table 20 which is mounted on the base plate of the truck TR2 connected in the middle so as to be rotatable in a horizontal direction around a disc body which will be described later. also on the one side end (one end side) provided continuously to the underframe 20S of the table 20 in the drawings are column 2 is erected with beams 3 shown in is omitted FIG. 2, crane suspended in the beam 3 Is used to load and unload rails RL.
[0024]
In FIG. 7, 20R ... is a guide roller for the base table 20, 30 is a rail cradle attached to the interior 20H of the base table 20 so as to be rotatable in the horizontal direction around the rotation shaft 30A. 21 and 21 are for attaching weights connected to the front and back of the other end side of the base 20, ie, one side where the column 2 is erected , and to the front and back of the opposite end across the rail track RW . In the frame body, a plurality of counterweights 22 that maintain the left and right balance of the intermediate carriage TR2 are configured to be freely fitted in the front and rear weight mounting frames 21, 21.
[0025]
3 to 5 show the rail cradle 10 attached to the interiors 1H and 20H of the base bases 1 and 20 attached to the trucks TR1 and TR3 connected to the head and the tail, and the truck TR2 connected to the middle. 30 are a side view and a plan view, and each of these rail cradles 10 and 30 is constructed in almost the same structure.
[0026]
That is, 11 and 31 in the figure are base plates of the rail bases 10 and 30, and 10R ... and 30R ... are rotatable by using brackets 11A ..., 31A ... on the left and right sides of the base plates 11, 31, respectively. The attached guide rollers 13 and 33 are rail receiving rods which are erected on one end of the base plates 11 and 31 so as to be rotatable. Each of the rail receiving bases 10 and 30 thus configured has a rotating shaft protruding from the bottom surface. By passing 10A and 30A through the circular holes (not shown) drilled in the bottom plate of each of the above-described base stands 1 and 20 and inserting them into the upper surface side of each of the trucks TR1 to TR3, It is attached so that it can freely rotate horizontally within 1H and 20H.
[0027]
Further, each base base 1, 20 is fitted into a disk body 10 B, 30 B on the side of each rail cradle 10, 30 that is formed concentrically with each of the rotary shafts 10 A, 30 A. Thus, the disc bodies 10B and 30B are mounted on the base plates of the carriages TR1 to TR3 so as to be turnable.
[0028]
Further, in FIGS. 4 to 7, reference numerals 12 and 32 denote rail receiving plates attached to the inside of the rail receiving bases 10 and 30 with their upper surfaces (mounting surfaces) protruding slightly, The rail receiving plate 12 of each rail receiving base 10 attached to each of the trucks TR1 and TR3 is made of a member having a high coefficient of friction such as wood so that the loaded rail RL can be secured at the loading position . The rail receiving plate 32 of the rail receiving base 30 attached to the intermediate carriage TR2 is made of a member having excellent sliding properties such as a metal plate or a plastic plate so that the loaded rail RL can be moved in the lateral direction. The rails RL are in a state of being laid on the rail receiving plates 12 and 32, and a structure in which a large number of rails RL are stacked and conveyed as shown in FIG.
[0029]
As shown in FIGS. 8 and 9, the upper surface of the rail receiving base 30 attached to the intermediate carriage TR2 is replaced with a plurality of rollers 32R in place of the rail receiving plate 32 having excellent sliding properties. Thus, the intermediate portion of the rail RL may be supported so as to be movable in the lateral direction, and the selection thereof is arbitrary.
[0030]
Since the derailment prevention device for a rail transport vehicle according to the present invention has the above-described configuration, each rail cradle 10, using a crane in which rails RL are suspended from beams 3 of the trucks TR 1, TR 2, TR 3. When placed on the 30 rail receiving plates 12, 32 or the rollers 32R as shown in FIGS. 1 and 2, each carriage TR1 to TR3 is pulled by the mobile vehicle MC to bring the rails RL to the target location. Can be transported.
[0031]
Further, during the transportation of the rail RL, the rail RL loaded with the rail receiving plates 12 provided on the rail receiving bases 10 and 10 of the trucks TR1 and TR3 connected to the head and the tail can be secured at the loading position. The rail mounting surface provided on the rail cradle 30 of the truck TR2 connected in the middle is made of a metal plate or plastic plate having excellent sliding properties. 1 or a plurality of rollers 32R instead of the rail receiving plate 32. Therefore, as shown in FIG. 1, the rail track RW in which these transport vehicles are greatly curved. when hanging and difference in part, for the rail RL in direction of arrow V over the rail receiving plate 32 or rollers 32R intermediate carriage TR2 is less as possible the lateral pressure and the lateral moving smoothly, The greater part of the curved rail track RW of can be safely run without derailing the intermediate carriage TR2.
[0032]
Further, even when a lateral pressure is applied to the rail RL so that the center of gravity of the rail RL moves in the direction of the column 2 in the above curve, a counterweight 22 is attached to the opposite side of the carriage TR2 connected in the middle to maintain the balance. Therefore, the rail RL can be safely transported to the target location without causing one wheel of the truck TR2 to float and derail.
[0033]
【The invention's effect】
As described above, according to the derailment prevention device for a rail transport vehicle according to the present invention, the lateral pressure applied to the carriage connected in the middle can be reduced as much as possible even in a place where the rail track is curved, and Prevents lifts (tilts) of the trucks connected in the middle based on the amount of rail displacement (lateral movement), thus preventing derailment accidents in the middle trucks that occur at the curve during rail transport. And the advantage which can carry a rail safely can be exhibited.
[Brief description of the drawings]
FIG. 1 is a plan view illustrating a situation in which a rail is transported using a transport vehicle equipped with a derailment prevention device according to the present invention.
FIG. 2 is a front view illustrating the configuration of a carriage connected to the beginning and the end.
FIG. 3 is a front view of a rail cradle.
FIG. 4 is a plan view of a rail cradle attached to a carriage connected to the head and tail.
FIG. 5 is a plan view of a rail cradle attached to a cart coupled in the middle.
FIG. 6 is a plan view illustrating a configuration of a main part of a carriage connected to the beginning and the end.
FIG. 7 is a plan view illustrating a configuration of a main part of a cart connected in the middle.
FIG. 8 is a front view showing another example of a rail cradle attached to a cart connected in the middle.
9 is a plan view of the rail cradle shown in FIG. 8. FIG.
[Explanation of symbols]
MC Motor Vehicle RL Rail TR1, TR3 Carriage connected at the beginning and end TR2 Carriage connected at the middle 1,20 Base base 2 Column 3 Beam 1H, 20H Inside of base base 10, 30 Rail base 10A, 30A Rotating shaft 12 Friction Rail receiving plate made of high coefficient member 21 Frame 22 Counterweight 32 Rail receiving plate made of member having sliding property 32R Roller RW Curved rail track

Claims (4)

A truck with a column for crane standing on one side outside the center of the rail track with respect to the direction of travel is connected to the motor vehicle with at least three spaces between them. In a rail transport vehicle that loads and transports a rail for use in
A rail cradle with the upper side of the rail placed on the upper surface of each carriage is mounted so as to be horizontally rotatable, and the rail placement surface of the rail pedestal attached to the carriage connected to the intermediate portion is loaded. rail configured using a superior member slidability for movement in the transverse direction, the beginning and the rail cradle rail mounting surface attached to each carriage for connecting to the end, in the loading position the loading and rail with the friction coefficient of the timber or the like can be secured constructed using large member, on the opposite side of the base surface across the rail track and one side column of the truck to be coupled to the intermediate that is erected, should A derailment prevention device for rail transporting vehicles, characterized in that a large number of counterweights can be attached.   The rail carriage vehicle derailment according to claim 1, wherein the rail mounting surface of the rail pedestal attached to the intermediately connected carriage is configured by using a member having excellent sliding properties such as metal or plastic. Prevention device.   2. The derailment prevention device for a rail transporting vehicle according to claim 1, wherein a number of rollers are mounted side by side on a rail mounting surface of a rail receiving base attached to a cart connected in the middle.   A base stand with a column standing on one side is attached to the upper surface of the carriage so that it can be rotated, and a rail base with the rail as a mounting surface is attached to the inside of this base stand so that it can rotate horizontally, 4. A rail according to claim 1, 2 or 3, wherein a frame for attaching a counterweight is provided at an end portion of a base base attached to a carriage connected in the middle on a side where a column is not erected. Derailment prevention device for transport vehicles.

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