JP6547966B2 - Wear suppression structure of fulcrum bearing in cart with an equalizer mechanism - Google Patents

Description

  The present invention relates to a carriage of a railway machine represented by a coke-coking car or guide vehicle traveling on a railway, particularly to a carriage of a railway machine provided with an equalizer mechanism, and relates to a wear suppressing structure of a fulcrum bearing portion constituting the equalizer mechanism. It is a thing.

  As shown in FIG. 6, a carriage such as a coke-coking car or a guide vehicle traveling on a track includes a traveling frame 12 on which a plurality of wheels are mounted, and a bogie main body 13 located on the upper surface of the traveling frame 12 Between the two, an equalizer mechanism e is provided to evenly distribute the load input from the carriage to each wheel to achieve stable traveling on the track. .

  By the way, in the conventional truck as shown in FIG. 6 provided with the equalizer mechanism e, the following problems to be solved remain.

  That is, the equalizer mechanism e holds the fulcrum shaft portion e1 having an axis parallel to the rotation shaft of the wheel and the fulcrum shaft portion e1 rotatably as shown in FIG. It has a structure in which the bogie main body 13 is connected to the traveling frame 12 in combination with the fulcrum bearing portion e2 to be mounted, but, for example, the wheels 14 attached to the traveling frame 12 are restrained against the rail 15 at all. In the case of a wheel without wheels (a wheel with wheels on one side and a wheel with wheels on the other side, etc.), wear of the fulcrum bearing portion e2 causes the wheel There were also occasions when "yaga" occurred and the running of the truck was hindered.

  For this reason, conventionally, while measuring the "wag" of the fulcrum bearing part e2 regularly, when the "gray" of the fulcrum bearing part e2 is large, the replacement | exchange was carried out at the time of a maintenance.

  However, since the measurement and replacement of the "ful" of the fulcrum bearing e2 involves jacking up the entire truck, its work is extensive, and the operation stop time is also long, so its improvement is required. The

  As a prior art document related to this point, for example, although the technology proposed in Patent Document 1 is referred to, the truck disclosed herein is a system in which the parent-child truck is rattling during traveling of the parent-child truck and at the time of deceleration braking stop. Of the wheel pressure on the running rail, and it is a matter of course to solve the problem caused by the wear of the fulcrum bearing, as a matter of course, Nothing is mentioned about the specific means for that.

Japanese Patent Laid-Open No. 6-144219

  The object of the present invention is to suppress wear of the fulcrum bearing, in particular acceleration of wear of the fulcrum bearing due to the inclination of the traveling core, and to provide an equalizer mechanism capable of grasping the wear condition of the fulcrum bearing simply and accurately. The present invention is to propose a structure for suppressing the wear of the bearing portion of a supporting point in a bogie.

  The inventors investigated in detail the cause of the expansion of the "Yagata", and as a result, as shown in FIG. 8, the traveling core 14a of the wheel 14 is inclined with respect to the rail core 15a. Thus, it has been found that the load is concentrated on the fulcrum bearing portion and the wear at that portion is thereby accelerated, and the present invention has been made.

  That is, according to the present invention, there is provided a traveling frame having a plurality of wedge-shaped wheels arranged along a track, and a bogie main body supported by the traveling frame on the upper surface of the traveling frame via a fulcrum shaft and a fulcrum bearing. The dolly comprising: an elevator mechanism including an fulcrum bearing portion, an fulcrum shaft portion, and an equalizer mechanism for distributing a load input from the bogie main body to the respective wedge-free wheels through the traveling frame; The carriage body has a guide protruding from the carriage body, and the traveling frame is located on both sides of the guide and the heel is brought into contact with one of the faces of the guide. Equalizer machine characterized by having a pair of stoppers which prevent inclination of the running core of the wheel with respect to the rail core (inclination in a horizontal plane) to suppress wear acceleration of the fulcrum bearing. A wear control structure of the fulcrum bearing portion of the truck equipped with.

  Further, according to the present invention, there is provided a traveling frame having a plurality of wedge-shaped wheels arranged along a track, and a bogie main body supported by the traveling frame on the upper surface of the traveling frame via a fulcrum shaft and a fulcrum bearing. The dolly comprising: an elevator mechanism including an fulcrum bearing portion, an fulcrum shaft portion, and an equalizer mechanism for distributing a load input from the bogie main body to the respective wedge-free wheels through the traveling frame; The traveling frame has a guide projecting from the traveling frame, and the carriage is located on both sides of the guide and the heel is in contact with one of the surfaces of the guide. No fulcrum in a bogie equipped with an equalizer mechanism characterized by having a pair of stoppers for preventing the inclination of the running core of the wheel with respect to the rail core to suppress the wear acceleration of the fulcrum bearing. A wear control structure of the receiving portion.

  In the above wear suppressing structure, the stopper has a pad on the contact surface with the guide, and a gap is provided in advance between the pad and the guide, and the carriage main body is It is preferable as a concrete means for solving the problem to have a plurality of barbed wheels which can roll along at least one rail arranged parallel to the rails.

  According to the present invention, when wear of the fulcrum bearing advances and the traveling core of the wheel inclines with respect to the rail core, the stopper provided on the traveling frame contacts the guide provided on the carriage body. Alternatively, since the stopper provided on the bogie main body contacts the guide provided on the traveling frame, the inclination of the traveling core is not further increased. As a result, excessive load is not concentrated on the fulcrum bearing, and wear acceleration of the fulcrum bearing is suppressed.

  Further, by monitoring the clearance between the stopper and the guide one by one, it is possible to grasp the wearing condition of the fulcrum bearing part simply and accurately.

It is the front view which showed the example to which the wear suppression structure of the fulcrum bearing part in the trolley | bogie provided with the equalizer mechanism according to this invention was applied. It is the figure which showed the side of the trolley shown in FIG. It is the figure which showed the back of the trolley shown in FIG. It is the figure which showed the AA cross section of FIG. It is the figure which showed the other example to which the wear suppression structure of the fulcrum bearing part in the trolley | bogie provided with the equalizer mechanism according to this invention was applied, (a) is a side view, (b) is a BB cross section of (a) FIG. It is a side view of the conventional truck provided with the equalizer mechanism. It is the figure which showed the CC cross section of FIG. It is the figure which showed the state which the running core of the wheel of the trolley | bogie inclined with respect to the track core.

Hereinafter, the present invention will be more specifically described with reference to the drawings.
FIG. 1 is a view schematically showing an application example of a wear suppressing structure of a fulcrum bearing portion in a bogie (bogie bogie etc.) provided with an equalizer mechanism according to the present invention, and FIG. FIG. 3 is a view showing the side of the carriage shown in FIG. 1, and FIG. 3 is a view showing the back of the carriage shown in FIG. 4 is a view showing a cross section taken along the line A-A of FIG.

  In addition, above figures 1 to 4 are provided with wedged wheels at opposite positions of the wedgeless wheels, and the bogieless wheels and bogies are rolled along the rails, so that the raw materials are transported. Accordingly, for example, the rail with the caged wheels rolling is illustrated as being movable in a direction perpendicular to the rail core of the cage with the caged wheels and carriages. When moving with the track, the weirless wheel slides on the track by the amount of movement (see the broken line in FIG. 1).

  Reference numeral 1 in FIGS. 1 to 4 is a traveling frame having wedge-free wheels M arranged along a track P, 2 is a bogie main body disposed on the upper surface of the traveling frame 1, and 3 is a fulcrum constituting an equalizer mechanism. It is a shaft. Both ends of the fulcrum shaft 3 are fixed to the traveling frame 1. Reference numeral 4 denotes a fulcrum bearing (see FIG. 4) in which the inner ring is fitted to the fulcrum shaft 3 and the outer ring is fitted to a housing provided on the carriage main body 2. Incidentally, both ends of the fulcrum shaft 3 may be fixed to the bogie main body 2, and the traveling frame 1 and the bogie main body 2 may be connected via the fulcrum bearing 4.

  The bogie main body 2 is rotatably held via the fulcrum shaft 3 and the fulcrum bearing 4. The load input from the bogie main body 2 is thereby supported by the fulcrum bearing 4, the fulcrum shaft 3, and travel. It distributes to the rodless wheel M through the frame 1 so that stable traveling can be realized.

  Reference numeral 5 denotes a pair of wedged wheels provided at opposing positions of the wedge-free wheels M and capable of rolling along the tracks N1 and N2 installed parallel to the track P. The wedged wheel 5 has an axle 5 b rotatably supported via a bearing on a frame 5 a integrally connected to the bogie main body 2. Even if the force F in the direction orthogonal to the rail core of the rails N1 and N2 acts in the horizontal plane, the wedged wheel 5 can restrain the force F at the portion of the ridge, thereby It prevents the truck from derailment.

  Moreover, 6 is a block-shaped guide which makes the rectangular cross section provided in the back side (rear end side) of the trolley | bogie main body 2 (refer FIG. 2, FIG. 3). The guide 6 is shown as an example suspended and held toward the track P.

  7, 8 are a pair of stoppers provided on the back side (rear end side) of the traveling frame 1 so as to sandwich the guide 6 from both sides (direction orthogonal to the rail core).

  The stoppers 7, 8 are such that when the bearing of the fulcrum bearing 4 advances and the traveling core M1 of the wedge-free wheel M inclines from the rail core P1 of the rail P, either one of them contacts the guide 6 The contact of the stoppers 7 and 8 with the guides 6 prevents the inclination of the running core M1 of the wedge-free wheel M with respect to the rail core P1 from increasing further.

  Specifically, the stoppers 7 and 8 are constituted by brackets 7a and 8a connected and fixed to the traveling frame 1, and pads 7b and 8b provided on the outer surface of the brackets 7a and 8a and directly contacting the guide 6. Be done. The brackets 7a and 8a can be configured by members having an H-shaped cross section, but other members may be used.

  The wear suppressing structure of the fulcrum bearing portion 4 according to the present invention, as described above, when the wear of the fulcrum bearing portion 4 progresses and the traveling core M1 of the wedge-free wheel M is inclined from the rail core P1 of the rail P. , Or any one of the stoppers 7 and 8 is in contact with the guide 6 to prevent the traveling core M1 of the wedge-free wheel M from tilting further. Therefore, the fulcrum bearing portion 4 is too large. The concentration of load can be avoided, and the acceleration of wear at that portion is suppressed.

  In the embodiment of the present invention, the guide 6 and the brackets 7a and 8a are provided on the back side of the carriage body 2 and the traveling frame 1, respectively, as an example. However, the guide 6 and the brackets 7a and 8a are the front It can also be provided on the side, or on both the front side and the back side. It is also possible to provide the guide 6 on the traveling frame 1 and to provide the stoppers 7 and 8 on the carriage main body 2. Furthermore, the guide 6 protrudes laterally as well as the one suspended and held toward the rail P. It is also possible to apply one that has been made to project or to project upward, and is not limited to the illustrated one.

  In addition, a predetermined gap (for example, about 5 mm) is provided in advance between the guide 6 and the stoppers 7 and 8, and the wear state of the fulcrum bearing portion 4 is monitored by appropriately monitoring the fluctuation state of the gap during regular repair. It can be managed accurately.

  In particular, when the stoppers 7 and 8 are installed, it is possible to make the clearance between the guide 6 and the guide 6 almost zero (however, the guides 6 are of the stoppers 7 and 8 so as not to inhibit the function of the equalizer mechanism). The stoppers 7 and 8 and the guide 6 are not in contact with each other so that they can move up and down), and in this case, the running core M1 of the wedgeless wheel M with respect to the rail core P1 due to the wear of the fulcrum bearing 4 Since the stoppers 7 and 8 immediately contact the guide 6 when tilting, it is possible to eliminate the inclination of the running core M1 of the non-wrinkled wheel M.

  In the embodiment of the present invention, the bogie wheel 5 is rolled along the rails N1 and N2 and the bogieless wheel M is rolled along the rail P as an example. The number of wheels, the shape of the carriage, and the like can be changed as appropriate.

  Further, in the present invention, the rails N1 and N2 are laid on the base board d movable in the direction orthogonal to the rolling direction of the wedged wheel 5 in order to correspond to various situations such as transportation of raw materials. It is preferable to use it, but it can also be applied directly to the ground, ground, etc. where the tracks N1 and N2 are laid (such as the track itself is distorted and the track interval fluctuates). The effects of the invention can be exhibited effectively.

  For the traveling frame 1, for example, as shown in FIGS. 5 (a) and 5 (b), a first traveling frame 1a having a single wedgeless wheel M, and two wedgeless wheels R1 arranged in a line, A second traveling frame 1b having R2 and positioned on the lower surface of the first traveling frame 1a is formed between the two by means of a fulcrum shaft 3 'and a fulcrum bearing 4' constituting an equalizer mechanism. It is also possible to set it as a 3-axis type truck connected.

  In such a bogie, the guide 6 similar to the guide 6 and the stoppers 7 and 8 and the stoppers 10 and 11 can be separately provided between the first traveling frame 1a and the second traveling frame 1b. The inclination of the running core R3 of R1 and R2 relative to the rail core P1 of the rail P can be suppressed, and the wear condition of the fulcrum bearing can be grasped.

  According to the present invention, it is possible to minimize the inclination of the traveling core caused by the wear of the fulcrum bearing in the truck provided with the equalizer mechanism. In addition, the wear condition of the fulcrum bearing can be grasped simply and accurately.

DESCRIPTION OF SYMBOLS 1 travel frame 1a first travel frame 1b second travel frame 2 carriage main body 3 fulcrum shaft 4 fulcrum bearing 5 ridged wheel 6 guide 7, 8 stopper 7a, 8a bracket 7b, 8b pad 9 guide 10, 11 stopper 12 travel frame 13 bogie main body 14 wheel 14a travel core 15 track 15a track core e equalizer mechanism M wedge-free wheel M1 travel core P track P1 track core R1, R2 wheel R3 travel core

Claims (4)

A traveling frame having a plurality of wedge-free wheels arranged along a track, and a carriage body supported on the traveling frame on the traveling frame via a fulcrum shaft portion and a fulcrum bearing portion, the carriage body A carriage comprising an fulcrum bearing, an fulcrum shaft, and an equalizer mechanism for distributing a load input from the fulcrum to the respective wedge-free wheels through the traveling frame, and a wear suppressing structure which suppresses the wear acceleration of the fulcrum bearing. There,
The carriage body has a guide projecting from the carriage body,
The traveling frame is positioned on both sides of the guide, and contact with any one side of the guide prevents inclination of the traveling core of the weir wheel with respect to the rail core to suppress wear acceleration of the fulcrum bearing. What is claimed is: 1. A wear suppression structure for a fulcrum bearing portion in a carriage provided with an equalizer mechanism characterized by comprising a pair of stoppers. A traveling frame having a plurality of wedge-free wheels arranged along a track, and a carriage body supported on the traveling frame on the traveling frame via a fulcrum shaft portion and a fulcrum bearing portion, the carriage body A carriage comprising an fulcrum bearing, an fulcrum shaft, and an equalizer mechanism for distributing a load input from the fulcrum to the respective wedge-free wheels through the traveling frame, and a wear suppressing structure which suppresses the wear acceleration of the fulcrum bearing. There,
The traveling frame has a guide projecting from the traveling frame,
The carriages are located on both sides of the guide, and contact with any one surface of the guide prevents inclination of the running core of the weir wheel with respect to the rail core to suppress wear acceleration of the fulcrum bearing. A wear suppressing structure for a fulcrum bearing portion in a carriage provided with an equalizer mechanism characterized by having a pair of stoppers.   3. The equalizer mechanism according to claim 1, wherein the stopper has a pad on a contact surface with the guide, and a gap is provided in advance between the pad and the guide. Abrasion suppressing structure of the fulcrum bearing in the equipped carriage.   4. The vehicle according to any one of claims 1 to 3, wherein the bogie main body includes a plurality of barbed wheels that can roll along at least one rail disposed parallel to the rails. Abrasion suppressing structure of a fulcrum bearing in a truck provided with an equalizer mechanism.

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