JPH0535168Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Application of the Invention) The present invention relates to a snow removal device in a magnetic attraction type floating traveling system, and more specifically, the present invention relates to a snow removal device in a magnetic attraction type floating traveling system, and more specifically, the present invention relates to a snow removal device in a magnetic suction type floating traveling system. This invention relates to a snow removal device that prevents bodily injury, such as damage to a linear motor.

(Background of the idea) In general, in a magnetic attraction type levitation traveling system that uses a combination of levitation of a traveling object by magnetic attraction force and traveling thrust by a linear motor, the floating amount of the traveling object with respect to the rail laid on the ground is approximately 10mm
It is known that the degree of damage is relatively small. Note that the above-mentioned levitation force is usually obtained by the magnetic attraction force of electromagnets that are mounted on opposite sides of the rail, extending from the running body to the lower surface of the rail.

In addition, the primary side of the linear motor, which is the device for obtaining the above-mentioned running thrust, is attached to the ground rail, which is the secondary side, in order to ensure efficient operation as a motor. They are usually placed relatively close to each other and facing each other.

When such a linear motor is configured with the primary side of the traveling body facing the upper surface of the secondary side rail laid on the ground. For example, if you use the rail structure to obtain the above-mentioned levitation force and configure the upper part as the secondary side of the linear motor, it is impossible for something to rest on the upper surface of the rail that is the secondary side. It is necessary to eliminate this because it causes damage to the side.
One such problem is the problem of snow accumulation on the upper surface of the rail. In other words, when the above-mentioned traveling body system is applied to a region or region where snow accumulation must be taken into account, it is necessary to remove the snow accumulation (snow removal).

Up to now, no proposal has been made regarding a device for removing accumulated snow on the rails in such a magnetically attracted floating vehicle system.

(Purpose of the invention) The present invention has been made from the above-mentioned viewpoints, and its purpose is to provide a device for conveniently removing accumulated snow from the upper surface of a rail in a magnetic attraction type floating traveling system.

(Summary of the invention) Therefore, the features of the snow removal device of the magnetic suction type levitation traveling system according to the present invention, which was made to realize this purpose, are that the snow removal device has a rail laid on the ground and a snow removal device that levitates on the rail by magnetic attraction. A magnetic attraction type levitation traveling system comprising a traveling body with the rail as a secondary side and a linear motor assembled to the traveling body with the primary side facing the upper surface of the rail as a traveling drive means for the traveling body. In the system, a snow removal rolling wheel is mounted on the traveling body at a position forward of the assembly position of the linear motor, and the snow removal rolling wheel is
Provided on the traveling body so as to be in close contact with the upper surface of the rail when the traveling body floats,
The structure is such that it rotates as a result of contact with the rail.

The snow removal rolling wheels described above function to remove accumulated snow on the upper surface of the rail and remove thin ice formed on the upper surface of the rail.

The rolling wheels for snow removal in the above configuration are, for example, tubed or tubeless rubber tires, iron wheels, or rubber tires with grooves (tread patterns) on the surface.
It is possible to use tires with rubber tires, tires with spikes of elastic material protruding from the surface of the rubber tire, and the like. The tread pattern formed on the surface of rubber tires, etc. (the surface that makes contact with the rail) is designed with the aim of providing grip with the road surface using the rib patterns, lug patterns, and block patterns applied to ordinary automobile tires. However, since the purpose of use of the tire in the present invention is to remove accumulated snow on the upper surface of the rail, the pattern is appropriately selected and designed to be suitable for this purpose. FIGS. 4a and 4b show examples of tread patterns on the surface of a rubber tire applied in the present invention.

The mounting of the rolling wheels on the running body is preferably configured so that the position can be changed between, for example, an operating position where the wheels come in close contact with the rails and an upper retracted position where the close contact is released. This switching may be performed by using In addition, in order to bring the rolling wheels into close contact with the rail at the above-mentioned working position, it is normal that the running body inevitably undergoes a slight positional shift in the vertical direction relative to the rail while running. In order to suppress variations in the adhesion force as much as possible, it is preferable that the rotating shaft of the rolling wheel is movable in the vertical direction, and that the adhesion force to the rail is applied by the spring force of an urging spring. Therefore, an example of a structure for mounting the rolling wheels on a running body includes a support mechanism that supports the rotating shaft of the rolling wheel so as to be movable in the vertical direction at the front of the running body, and a support mechanism that supports the rolling wheels together with the support mechanism on a rail. A spring mechanism that presses
Further, an example may include a retraction switching device that retracts the rolling wheels to the upper retraction position as necessary.

In addition, this invention is used to remove snow accumulated on the top surface of the rail, but since the material of the member that makes up the rail surface is conductive on the iron rail because it is necessary to make up the secondary side of the linear motor. Since it is usually made of a relatively soft material such as a plate coated with a non-magnetic material (for example, an aluminum plate), the above-mentioned rolling wheels have the function of crushing snow using a hard material. What is given to
This is not necessarily appropriate from the viewpoint of preventing damage to the rail side. Therefore, in addition to mounting the above-mentioned rubber tires on the running body side, the snow accumulated on the rail is easily prevented from rolling on the rail side due to the close contact of the rolling wheels with the rail. It is particularly preferred to use a method of softening the snow into a shearbet shape (or loosening the adhesion between the snow and the rail), such as embedding heating wires in the rail, so that the snow can be removed in the same direction.

In addition, the rolling wheel of the present invention is applied to the upper surface of the secondary rail of a linear motor.
Rolling wheels for removing snow from the upper surface of the support rail (which also serves as the sliding surface of the emergency skid when the levitation force normally disappears) is installed along (or integrally with) this rail when the vehicle is not floating. It may be made to form.

(Embodiments of the invention) The present invention will be described below based on embodiments shown in the drawings.

FIG. 1 is a diagram showing an outline of the configuration of a magnetically attracted floating vehicle system according to the present invention, and FIG. 2 is a diagram showing the relationship between the track and the traveling vehicle in a cross section perpendicular to the track.

In these figures, reference numeral 1 denotes a rail with a downward U-shaped cross section used for magnetic attraction, the upper surface of which is covered with an aluminum plate 2, forming the secondary side of the linear motor. Reference numeral 3 designates a support body (sleeper) provided on the track base 3a on the ground side, and fixedly supports the laterally extending arm 1a of the rail 1. In addition, the rail 1 of this example has a skid sliding surface 1b along the track direction on the side of the U-shaped cross section.
is formed.

Reference numeral 4 denotes the main body of the traveling body, including an electromagnet 6 for magnetic levitation facing the lower surface of the rail, and a primary side of the linear motor (not shown) facing away from the upper surface of the aluminum plate 2 forming the secondary side of the linear motor. ,
The module 5 equipped with this is suspended and supported at the lower part of the main body of the traveling body via a suspension device, a shock absorber, etc. (none of which are shown).

Reference numeral 8 indicates a rolling wheel in the snow removal device of the present invention, which is attached to the front part of the traveling body, and the rotating shaft 9 of the rolling wheel 8 is
is rotatably supported by the swinging tip of a swinging plate 15 which is pivotally supported on the fixed part 10 of the traveling body body via a pin 14, and rotatably supports the rolling wheel 8. The rolling wheels 8 are fitted and supported so as to be vertically movable, and a downward pressing spring 12 engages with the rotating shaft to bring the rolling wheels 8 into close contact with the upper surface of the lower rail (the upper surface of the aluminum plate 2). It is being

Reference numeral 13 denotes a retraction switching device for retracting the rolling wheels 8 to the upper retracted position, and is used to retract the rolling wheels 8 to the upper retracted position when snow removal is not required. This evacuation switching device 13 in this example has a rod 17 extending from a screw motor 16 rotatably supported on the traveling body fixing part 10, and the tip of the rod 17 is attached to the swing plate 15. When the rod 17 is pulled to the right in FIG. 3 by the drive of the screw motor 16, the rolling wheel is rotated clockwise in the figure and pulled up to the upper retracted position. They are being evacuated.

The tip head 17a of the rod 17 is provided so that it can penetrate the pulling stopper 18 and engage only in the pulling direction, and can extend through it in the opposite direction.
With the spring force of the pressing spring 12 compressed and wound between the and the stopper part 18a of the swing plate 18,
It is designed to allow the rolling wheels 8 to jump on the rails 1. Note that 17c is a spring seat.

FIG. 2 illustrates the close contact state of the rolling wheels with the rail 1 using a cross section perpendicular to the track direction. From this figure, it can be seen that the rolling wheels 8 in this example
It will be understood that the rail is stepped in the axial direction, with a portion facing the upper surface of the aluminum plate 2 forming the secondary side of the linear motor, and a portion facing the skid surface 1a of the rail. .

Figures 4a, b, and c show examples of rolling wheel tread patterns particularly preferably used in the present invention, and Figure 4a shows a pattern in which triangular pyramid-shaped snow crushing protrusions are formed. FIG. 4b shows an example of a tire in which inclined ribs are formed that can push the tire sideways.

When the rolling wheels 8 configured as described above are caused to run downward on the rail by setting the retraction switching device to the state shown in FIG. 3, as shown in FIG. The rolling wheels 8 located at the frontmost part of the running body 4 are driven to rotate as the running body 4 advances, so that snow accumulated on the rail 1 can be removed to the side of the rail. Reference numeral 19 indicates a snow removal plow installed in parallel at the front end of the traveling body fixing part 10, and its role is to scrape off the ice and snow left behind when the rolling wheels pass to a certain height to minimize the influence on the linear motor. It serves the purpose of

If the snow is frozen, you can melt the frozen snow by energizing the heating wires buried in the rails as described above.
It is effective to perform the removal by the rolling wheels in parallel. According to the inventor's tests, by applying a current of 1.2Kw per meter for 10 minutes at an outside temperature of -5℃, the frozen ice and snow in contact with the rail melts, and the rotation of the rolling wheels causes the rail to It would have been possible to exclude them in one direction.

(Effects of the invention) As described above, the snow removal device of the magnetic suction type floating traveling system according to the present invention can appropriately remove accumulated snow on the upper surface of the rail that constitutes the secondary side of the linear motor as the floating traveling body moves. , and its usefulness is extremely great.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing an example of a general configuration of a magnetic attraction type levitation traveling system to which the present invention is applied, and FIG. 2 is a sectional view showing the opposing relationship between rolling wheels and rails. FIG. 3 is a diagram for explaining the state of snow removal by the rolling wheels, and FIG. 4 is a diagram for explaining the tread pattern of the rolling wheels. DESCRIPTION OF SYMBOLS 1...Rail, 1a...Extended arm, 1b...Skid sliding surface, 2...Aluminum plate, 3...Support body (sleeper), 4...Travel body main body, 5...Module,
6... Levitation electromagnet, 8... Rolling wheel, 9... Rotating shaft, 10... Fixed part, 12... Pressing spring, 13...
...Evacuation switching device, 14... Pin, 15... Rocking plate, 16... Screw motor, 17... Rod,
17a...Tip head, 17b...Brim portion, 17c
...Spring seat, 18...Lifting stopper, 18a...
...Stotsupa part, 19...Snow removal brow.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. Consisting of a rail laid on the ground and a traveling body levitated above the rail by magnetic attraction, with the rail as the secondary side and the primary side facing the upper surface of the rail. In a magnetic attraction levitation traveling system that is assembled to a traveling body or uses a near motor as a traveling drive means for the traveling body, a snow removal rolling wheel is mounted on the traveling body at a position forward from the installation position of the near motor. However, this rolling wheel for snow removal is
1. A snow removal device for a magnetically attracted floating traveling system, characterized in that the traveling body is provided in a structure that comes into contact with the upper surface of the rail during floating traveling, and is configured to rotate as a result of contact with the rail. 2. The snow removal device for the magnetic suction type levitation traveling system according to claim 1, wherein the rolling wheels are rubber tires.