JPS58127503A - Linear motor propulsion trolley - Google Patents

Abstract

PURPOSE:To improve the high speed running performance of a linear motor driven truck on a curved route by performing the couplings of an axle, a truck frame and a linear motor through an elastic unit having small rigidity in a longitudinal direction of a truck body. CONSTITUTION:A longitudinally soft and elevationally hard ring-shaped elastic unit 14 and a shaft box 13 having bearings to be engaged with an axle 5 provided in side the unit 14 are provided at the positions corresponding to the truck frame side beams 21 of the axle 5. A linear motor 1 is mounted on the box 13 through height adjusting shims 19, 20. A central shaft is vertically arranged at the end of the beam 21, a ring-shaped elastic unit 22 which is hard in an elevational direction and soft in a longitudinal direction is disposed, and a projection 23 formed integral with the top of the box 13 is inserted into the unit 22. In this manner, it can improve the high speed running performance of the vehicle on a curved route.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a linear motor propulsion vehicle used in a railway vehicle, and particularly to a near motor propulsion vehicle ratio suitable for improving line passing performance.

Conventional 1 In a normal truck, the main motor is placed in the truck frame! I! I
In Japan, it is customary to mount the main electric motor, which is constructed separately from the bogie frame, on the bogie frame. When the main electric motor is a rotary type, it is attached to the horizontal beam of the bogie frame, and the wheels are driven by a gear system via a flexible joint provided to enable vertical movement of the wheels. . If the main electric motor is a linear motor, it is installed integrally with the platform frame structure,
Thrust is transmitted to the vehicle body via the cross beam. This configuration will be explained in detail with reference to FIGS. 1 and 2.

In the figure, bearing boxes 2 are fixed to the front, rear, left and right sides of an on-vehicle secondary conductor (hereinafter simply referred to as a linear motor) l, and bearing boxes 4 are attached via ring-shaped elastic bodies 3 made of rubber or the like. Supports axle 5 and axle 6. Air spring supports 7 are fixed to the left and right sides of the central portion of the front near motor l, and support the vehicle body 9 via nine air springs S. Further, an arm 10 is fixed near the center of the linear motor l, and the thrust force is transmitted to the vehicle body 9 via the thrust rod U and a center forceps installed on the vehicle body 9.

In such a configuration, since the rigidity of the axle support part in the longitudinal direction is large, there is a drawback that the lateral pressure increases when the vehicle passes through the vehicle, and the so-called "squeak noise" due to contact between the wheel flange and the rail occurs. In addition, the wear of the wheels and rails caused the linear motor 1
There was a drawback in that it was difficult to maintain the empty dimensions between the ground secondary conductor (hereinafter referred to as "Reaxilon plate").

In view of the above points, the present invention provides a so-called self-steering link structure that connects the axle-mounted near motor and the bogie frame so that they can swing relative to the axle-mounted near motor and the bogie frame. Improved high-speed driving performance and safety.

The purpose is to secure the gap size between the linear motor and the axilon plate by preventing wear on the wheels and rails.

Next, embodiments according to the present invention will be explained with reference to FIGS. 3 to 7. FIG. 3 is a plan view of an embodiment of the linear motor propulsion vehicle according to the present invention, FIG. 4 is a sectional view taken along the line B-B in FIG. 3, and FIG. 5 is a j! ! Front view seen from section C-C in Figure 3, No. 6
The figure is a sectional view taken along the line DD in FIG. 3. In the figures, the same reference numerals as in the conventional example indicate the same members. The ribs are provided at positions corresponding to the bogie frame side beams 4 of the axle 5, and are hard in the vertical direction and soft in the longitudinal direction of the vehicle body. This is an axle box body made up of a pair of bearings. The arm support is an arm holder that corresponds to the axle 5 on one side of the center of the upper surface of the linear motor 1 in the longitudinal direction of the vehicle body and is provided via a shim for height adjustment. Reference numeral 16 denotes connection beams that are connected to the ribs of the axle box body provided on both sides of one axle 5 constituting the truck through bolts. 17
is a link provided between the arm holder and the connecting beam 16, and the link 17, the arm holder and the connecting beam 16
are swingably connected to each other via a bottle 18. This is a height adjustment shim placed on the other side of the linear motor l in the longitudinal direction of the vehicle body and provided between the axle box body 13 and the linear motor l. 4 is the extension beam that makes up the bogie frame, Z
is a ring-shaped elastic body disposed at the end of the elastic beam, having a central axis in the vertical direction, and made of rubber or the like that is hard in the vertical direction and soft in the longitudinal direction (vehicle traveling direction);
is integrally formed at the rim of the axle box body, and is inserted into the ring-shaped elastic body n.In this way, the axle box body 13 is formed integrally with the ring-shaped elastic body n and the protrusion. It is connected to four ends of the bogie frame side beam n through the arm holder 2, which is provided on the upper surface of the near motor 1 for transmitting left and right forces, and has one end connected to the arm holder and the other end connected to the bogie frame. This is an arm for transmitting left and right force that is rotatably attached to the beam 2.The arm 25 and the arm receiving blades are mounted in pairs at symmetrical positions with respect to the center of the truck. The roller is a stopper rubber that is provided opposite the center pin n and limits relative lateral displacement between the bogie and the car body 9.

In such a configuration, when traveling on a curved road at high speed, the center of the axle 5 is aligned with the axle 6 due to the characteristic that the ring-shaped elastic body 14 of the axle box l and the ring-shaped elastic body = are soft in the longitudinal direction. It is possible to perform seven-lua steering that tilts depending on the slope of the tread. Further, the longitudinal force of the linear sweater 10 is transmitted to the vehicle body 9 via the thrust rod 11, and the lateral force is transmitted to the bogie frame via the rod 3. In order to prevent the linear Tanabata 1 from rolling during running, the two axle boxes on the left in the figure and the linear motor 1 are connected via shims 19, and the two on the right in the figure The linear motor 1 is supported at three points with respect to the bogie frame, and rolling can be prevented.

Incidentally, in the above configuration, rolling of the linear motor 1 is prevented by supporting the linear motor 1 at three points with respect to the bogie frame, but the linear motor 1 itself is In the case of having a rolling bending characteristic, the three-point support is not necessary. Therefore, both the front and rear axles of the truck may be coupled to the linear motor 1 having an axle box body.

In addition, in such a configuration, since the steering amount is allowed only by horizontal displacement of the ring-shaped elastic body 14 and the ring-shaped elastic body n of the axle box body, the amount of steering is smaller than in the above embodiment. .

Next, FIG. 7 is a plan view of another embodiment of the linear propulsion truck according to the present invention. In the figures, the same reference numerals as in the previous embodiment indicate the same members. The difference between this embodiment and the previous embodiment is that one axle 5 (on the right side in the illustrated truck) is connected to the near motor 1 via a spherical bearing γ. That is, in the above embodiment, the axle S
In place of the link 17, a spherical bearing U mounted on the axle 5 is used.

In such a configuration, the self-steering link of the axle 5 and the prevention of rolling of the linear motor l are the same as in the previous embodiment, but the number of parts is reduced by using the spherical bearing 1 for the connecting beam 16 and the link 17. It is possible to reduce the amount of noise and simplify the configuration.

As explained above, according to the present invention, the axle, the bogie frame, and the linear Tanabata are connected through an elastic body with reduced rigidity in the longitudinal direction of the vehicle body, thereby allowing the axle to swing when traveling on a curve. It enables self-steering with a simple configuration and improves high-speed driving performance on curved roads. Therefore, wear of the wheel flanges and rails can be prevented, and the gap size between the linear motor and the axis can be kept constant for a long period of time. Furthermore, it is possible to reduce the squeak between the wheels and the rails when traveling on curves.

[Brief explanation of the drawing]

Fig. 1 is a plan view of the conventional linear motor propulsion platform ratio, Fig. 2 is a sectional view of the λ-A section of Fig. M1, and Fig. 3 is a plan view of the lJ according to the present invention.
= Plan view of one embodiment of the amotor propulsion truck, Figure 44 is IR
The sectional view taken along line B-B in Figure 3 and Figure 5 are from jp! 3 is a front view taken from section C-0 in FIG. 3, FIG. 6 is a sectional view taken along section D-D in FIG. 3, and FIG. . 13...Axle box body, 14.22...Ring-shaped elastic body, Ru...Arm holder, 16...
Connecting beam, 17...link, 18...bin, 19.20...shim, 21...equipment burr, co...center origin , Tame...Arm Uke, S...Arm 1 diagram 3 diagrams

Claims (1)

[Scope of Claims] 1. In a linear motor propulsion bogie using a linear motor as a driving means, it is disposed at the front and rear of the bogie frame. The axle is installed between the axle, which is attached to the lower part of the bogie frame via an elastic body with low rigidity in the longitudinal direction, and the bearings and axillary bearings fitted to the axle. a propulsive force transmitting means provided between the bogie frame and the car body for transmitting propulsive force; and a lateral force transmitting means for transmitting force in the direction. 2. In the first m of claim 8, the axle is attached to the central part of one axle of the bogie via a bearing, and the axle is mounted on the vehicle.
A linear motor propulsion truck comprising a connecting means swingably connected to a secondary conductor, and an axle box body attached to the other axle via a bearing and joined to the upper surface of the secondary conductor on the vehicle. 3411 Claim I! In paragraph I, a connecting beam provided between axle box bodies in which the connecting means is arranged in an axle pattern;
41. A linear motor propulsion truck comprising links swingably attached to the center portion of the connecting beam and the upper surface of the on-car conductor. 4.41 The air motor propulsion platform according to claim 2, characterized in that the connecting means is constituted by a spherical bearing integrated at the center of the axle and attached to the upper surface of the on-vehicle secondary conductor.