JP4125508B2 - Guide wheel support device for guide rail type vehicle carriage - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a guide wheel support device for a guide rail type vehicle carriage in which steering is performed by moving a guide arm to the left and right through guide wheels guided along a guide rail.
[0002]
[Prior art]
Conventionally, as a guide wheel support device for a guide rail type vehicle bogie, a support shaft is inserted and fixed to both ends of a guide arm in mounting holes, and the guide wheel is rotatably supported on an eccentric shaft portion of the support shaft, By rotating the support shaft about the axis with respect to the guide arm, the center position of the eccentric shaft is moved and adjusted in the left-right direction of the guide arm, and the protrusion amount of the guide wheel from the vehicle body of the guide rail type vehicle is adjusted. A bush having an eccentric center between the center of a shaft hole into which the support shaft is inserted and supported, and the center of a shaft portion into which the guide arm is inserted and supported. In the same way as described above, the amount of protrusion of the guide wheel from the vehicle body of the guide rail type vehicle is adjusted by supporting the guide arm via the guide arm and rotating the bush with respect to the guide arm. (Japanese Utility Model Laid-Open No. 7-40361).
[0003]
[Problems to be solved by the invention]
However, in the above-described conventional guide wheel support device for a guide rail type vehicle bogie, the guide on the side of the cart is used when adjusting a clearance larger than a predetermined amount generated between the guide rail and the guide wheel due to wear of the guide wheel or the like. In order to adjust the wheel support section, the entire assembly parts such as the guide wheel and its support shaft must be operated together with the operation of the mounting section of the support shaft relative to the guide arm. In addition, there is a problem that the position adjustment cannot be performed smoothly and easily and the workability is poor.
[0004]
The present invention has been made in view of the above circumstances, and by adjusting the position of the guide wheel in the left-right direction with respect to the guide arm, the protrusion amount of the guide wheel from the vehicle body can be adjusted smoothly and easily. It is an object of the present invention to provide a guide wheel support device for a guide rail type vehicle bogie that can improve the workability of the adjusting operation and has a simple structure.
[0005]
[Means for Solving the Problems]
The present invention is characterized by the following points in order to solve the above problems. In other words, the guide wheel support device for a guide rail type vehicle carriage according to claim 1 is provided on the guide rail type vehicle carriage for steering the carriage by moving in the left-right direction, and a support mechanism for the guide arm. Of the guide rail type vehicle carriage provided with a guide wheel that is rotatably supported through the guide rail and is movable and adjustable in the left-right direction of the guide arm, and that is guided by the guide rail and moves the guide arm to the left and right. In the guide wheel support device, the support mechanism includes a support shaft fixed to the guide arm, a guide wheel shaft rotatably supported by the support shaft, and having a shaft center at a position eccentric from the rotation center; A guide wheel rotatably supported by the guide wheel shaft; and a rotating means for rotating the guide wheel shaft around the rotation center, the rotating means projecting radially from the guide wheel shaft. Guide wheel provided A pivot lever which operates to rotate around the rotation center, and is characterized in that a fixing means for fixing the該回Do lever guide arm in the plurality of rotational position.
[0006]
In the guide wheel support device for this guide rail type vehicle bogie, if the guide wheel wears due to rolling contact with the guide rail and a gap of a predetermined amount or more is generated between the guide rail and the guide wheel, the guide wheel support device rotates. By operating the means, the guide wheel shaft is rotated around the support shaft so that the center of the guide wheel shaft moves outward relative to the guide arm. Thereby, the protrusion amount of the guide wheel from the vehicle body is adjusted, and the gap between the guide rail and the guide wheel is adjusted. When adjusting the gap, it is not necessary to operate the guide wheel mounting portion with respect to the guide arm at all, so that the adjustment operation can be performed smoothly and easily.
[0007]
Further, in the guide wheel support device for the guide rail type vehicle carriage, the clearance between the guide rail and the guide wheel can be easily adjusted by the turning operation of the turning lever, and the guide wheel includes a plurality of guide wheels. Is securely fixed to the guide arm at the adjustment position.
[0008]
The guide wheel support device for a guide rail type vehicle carriage according to claim 2 is the guide wheel support device according to claim 1 , wherein the fixing means is inserted into the bolt hole and the bolt hole provided in the rotating lever. And a bolt that is screwed into a screw hole provided in the guide arm. In the guide wheel support device for the guide rail type vehicle carriage, the rotation lever can be easily fixed to the guide arm after the clearance between the guide rail and the guide wheel is adjusted with a simple configuration.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the guide wheel support device of the guide rail bogie for a vehicle according to the present invention will be described with reference to FIGS. 4 to 6 show a guide device for a guide rail type vehicle carriage. In the figure, reference numeral 1 denotes a vehicle body of the guide rail type vehicle. Wheels 4 are attached to both ends of an axle 3 of a carriage 2 that supports the vehicle body 1. Guide arms 7 and 7 are attached to both sides of the axle 3 to rotate (move in the horizontal direction) around the king pins 5 and 5 in the horizontal plane and change the direction of travel of the wheels 4 (steering). Tie rods 6 for interlocking (upper and lower in FIG. 4) guide arms 7 and 7 are provided so that both end portions thereof are rotatably connected to guide arms 7 and 7. At both ends (front and rear ends) of each of the guide arms 7 and 7, guide wheels 8 and 8 that rotate and contact the outer peripheral surface with guide rails installed along both sides of the track on which the guide rail type vehicle travels are rotated. It is supported freely.
[0010]
A neutral return rod 12 supported by the vehicle body 1 is connected to the rear side of the axle 3 (left side in FIG. 4) from a knuckle arm 9 fixed to one guide arm 7 via a rod 10 and a lever 11. The wheel 4 is always given a force that causes the wheels 4 to go straight. The basic configuration of these guide devices is the same as that conventionally known.
[0011]
Next, the support mechanism A for the guide wheel 8 for the guide arm 7 in the guide device will be described with reference to FIGS. In addition, since the structure of the support mechanism A of the guide wheel 8 in the both ends of the guide arm 7 is the same, only the structure of the support mechanism A in one place (left front side with respect to the traveling direction of the vehicle body 1) will be described. As shown in FIG. 1, at the end of the guide arm 7, a support shaft 15 whose axis is aligned with a vertical straight line is provided. A large-diameter guide shaft portion 15a is positioned above the guide arm 7 and has a small diameter. The mounting shaft portion 15b is inserted into a mounting hole 7a formed in the guide arm 7, and is further fixed to the branch wheel shaft portion 15c on the lower end side by tightening a nut 16 that supports a branch ring 30 (described later). The support shaft 15 is prevented from rotating by a key 17 or the like.
[0012]
As shown in FIG. 2, the guide shaft portion 15a of the support shaft 15 has a shaft hole 18a whose axis center coincides with the shaft center C1 of the support shaft 15 and is eccentric from the shaft center C1 by a distance e. A guide wheel shaft 18 having an outer peripheral shaft portion 18b having a center C2 is fitted with the shaft hole 18a into the guide shaft portion 15a, and is guided by the upper surface of the guide arm 7 and the flange 15d at the upper end portion of the support shaft 15. The movement in the direction is prevented and the guide shaft portion 15a is supported so as to be rotatable. The guide wheel 8 is supported on the outer peripheral shaft portion 18 b of the guide wheel shaft 18 via a pair of upper and lower bearings 19 and 19 so as to be rotatable in the circumferential direction.
[0013]
Further, the guide wheel shaft 18 is provided with a turning lever 20 fixed to the guide arm 7 by fitting a mounting hole 20a to a connecting shaft portion 18c provided at the lower end thereof and preventing relative rotation with a key 20b or the like. An end portion of the rotating lever 20 that is provided in contact with the upper surface and is away from the guide wheel shaft 18 is bent downward along an arc-shaped outer end portion 7b that is centered on the axial center C1 of the guide arm 7. The operation end 20c is formed with a bolt hole 20d in the direction of the axis C1 of the support shaft 15 in the operation end 20c. The outer end 7b of the guide arm 7 has a screw hole 7c directed in the direction of the axial center C1 at a height position from the upper surface of the guide arm 7, and the lower surface of the rotating lever 20 of the bolt hole 20d ( A plurality (three in the example of FIG. 2) are provided at predetermined intervals along the circumferential direction of the outer end portion 7b so as to coincide with the height position from the upper surface of the guide arm 7), and are inserted from the bolt holes 20d. The rotating lever 20 is positioned and fixed to the guide arm 7 by screwing the bolt 21 into one of the screw holes 7c and tightening. The bolt hole 20d, the screw hole 7c, and the bolt 21 constitute fixing means 23 for fixing the rotating lever 20 to the guide arm 7 at the rotating operation position. Note that the bearings 19 and 19 of the guide wheel 8 are covered with a bearing retainer 24 and a cover plate 25 at the top and bottom, and are made fluid-tight with seal rings 26 and 26.
[0014]
The branch ring 30 is rotatably supported by the branch ring shaft portion 15c of the support shaft 15 via a pair of upper and lower bearings 31 and 31. The bearings 31, 31 are inserted into the branch ring shaft portion 15c and contacted with the lower surface of the guide arm 7; The lower bearing retainer 33, the lower bearing 31, the branch ring 30, and the upper bearing 31 are tightened by tightening the nut 16 screwed into the threaded shaft portion 15d. The support shaft 15 is fixed to the guide arm 7 by being prevented from moving in the axial direction via the upper bearing retainer 32. A cover 34 for closing the mounting hole of the bearing 31 is attached to the lower surface of the branch ring 30.
[0015]
Next, the operation of the guide wheel support device configured as described above will be described. In the guide rail type vehicle, the guide arm 7 rotates around the kingpin 5 as a result of the guide wheel 8 rolling and contacting the guide rail, and the traveling direction of the wheels 4 and 4 of the carriage 2 is changed accordingly. And travels along the guide rail. Since this traveling has been performed for a long period of time, when the guide wheel 8 is worn and a gap more than a predetermined gap is formed between the guide rail and the guide wheel 8, the turning lever 20 is moved to the guide arm 7. After the fixing bolt 21 is loosened and removed from the screw hole 7c of the guide arm 7, the operating end 20c of the rotating lever 20 is operated, for example, the rotating lever 20 is moved to one end side (FIG. 2, FIG. 3 is rotated from the position of the screw hole 7c on the right end side to the position of the middle screw hole 7c in the direction of the arrow a.
[0016]
In response to the turning operation, the guide wheel shaft 18 is turned, and the shaft center C2 moves around the shaft center C1 of the support shaft 15 to the change center C3. Therefore, the guide of the change center C3 with respect to the shaft center C2 is performed. The guide wheel 8 is moved and adjusted from the guide arm 7 to the outside by an amount corresponding to the displacement amount H in the left-right direction of the arm 7. If the gap between the guide rail and the outer peripheral surface of the guide wheel 8 becomes moderate due to this movement adjustment, the bolt 21 is screwed into the screw hole 7c in the intermediate portion and tightened to fix the rotating lever 20. If the clearance between the guide rail and the outer peripheral surface of the guide wheel 8 is still large even with the above movement adjustment, the rotation lever 20 is further rotated to the position of the screw hole 7c on the other end side (left end side in FIG. 2). Adjust the gap.
[0017]
According to the guide wheel support device for the guide rail type vehicle carriage in the embodiment, the straight support shaft 15 fixed to the guide arm 7 has the shaft center C2 eccentric from the shaft center C1 of the support shaft 15. The guide wheel shaft 18 is rotatably supported, and the guide wheel shaft 18 is rotated around the support shaft 15 by operating the rotation lever 20 so that the guide wheel 8 supported on the guide wheel shaft 18 is guided to the guide arm. 7, the amount of protrusion of the guide wheel 8 from the vehicle body 1 can be easily adjusted stepwise by only the turning operation of the turning lever 20. Further, after the turning operation of the turning lever 20, the bolt 21 inserted from the bolt hole 20 b of the turning lever 20 is screwed into the screw hole 7 c of the guide arm 7 and tightened, whereby the turning lever 20 is turned. It is fixed to the guide arm 7 at the dynamic operation position, and the guide wheel 8 can be reliably positioned and held at the adjustment position.
[0018]
Therefore, when adjusting the gap between the guide rail and the guide wheel 8, it is not necessary to operate the mounting portion of the guide wheel 8 with respect to the guide arm 7, so that the adjustment operation of the gap can be performed smoothly and easily. The workability can be improved. Moreover, unlike the conventional guide wheel support device, there is no need to provide an eccentric shaft portion on the support shaft attached to the guide arm or an eccentric bush on the attachment portion of the support shaft with respect to the guide arm. Is also easy.
[0019]
In the guide wheel support device for the guide rail type vehicle carriage in the above-described embodiment, a support shaft 15 is erected on the upper surface of the guide arm 7 and is rotated with the guide wheel shaft 18 that supports the guide wheel 8. Since the lever 20 is supported, it is preferable that the turning operation and positioning / fixing operation of the turning lever 20 can be easily performed. However, the present invention is not limited to this, and the support shaft 15 is suspended from the lower surface of the guide arm 7 for guidance. The wheel 8, the guide wheel shaft 18, and the rotation lever 20 may be provided under the guide arm 7.
[0020]
Further, in the guide wheel support device for the guide rail type vehicle carriage in the embodiment, the guide arm 7 is provided with a plurality of screw holes 7c, the rotating lever 20 is provided with one bolt hole 20d, and the bolt hole is provided. The bolt 21 inserted through 20d is screwed into one of the screw holes 7c and tightened, and the rotation lever 20 is positioned and fixed to the guide arm 7. However, the present invention is not limited to this. A hole is provided, a plurality of bolt holes are provided in the rotation lever 20 toward the axis C1 of the support shaft 15, and the bolt 21 inserted through any one bolt hole of the rotation lever 20 is threaded in the guide arm 7. The rotating lever 20 may be positioned and fixed by being screwed to each other, and instead of the plurality of bolt holes of the rotating lever 20, a long hole-shaped bolt along the circumferential direction of the operation end 20c. Hole Only it may be. If the elongated bolt hole is used, the rotation lever 20 can be rotated and positioned and fixed steplessly, and the gap between the guide rail and the guide wheel 8 can be finely adjusted steplessly.
[0021]
Further, in the guide wheel support device for the guide rail type vehicle carriage in the above embodiment, the rotation lever 20 is fixed to the lower end of the guide wheel shaft 18 and is directly positioned and fixed to the guide arm 7. However, instead of this, the rotation lever 20 is fixedly provided at the upper end of the guide wheel shaft 18, and the support piece is fixed to the upper end of the support shaft 15. Can be fixed to the guide arm 7 indirectly by fixing to the support piece.
[0022]
Further, the guide wheel support device for the guide rail type vehicle carriage in the above embodiment rotates the guide arms 7 and 7 within the horizontal plane (moves in the left-right direction) around the king pins 5 and 5 provided on both sides of the axle 3. However, the present invention is not limited to this, but is limited to the left and right sides of the guide bar (guide arm) supported in front of the carriage. The movement can also be applied to a guide wheel support device for a carriage such as a so-called dual mode vehicle in which the drag link is moved via a link mechanism or the like, thereby changing the traveling direction of the wheels.
[0023]
【The invention's effect】
As described above, according to the present invention, the following excellent effects are obtained. According to the guide wheel support device for the guide rail type vehicle carriage according to claim 1, the guide wheel shaft having the shaft center that is eccentric from the shaft center of the support shaft is rotatably supported on the support shaft fixed to the guide arm. Then, the guide wheel supported by the guide wheel shaft can be adjusted to move outward with respect to the guide arm by rotating the guide wheel shaft around the support shaft by operating the rotating means. The protruding amount of the guide wheel from the vehicle body can be easily adjusted only by the turning operation of the turning means.
[0024]
Therefore, when adjusting the gap between the guide rail and the guide wheel, it is not necessary to operate the guide wheel mounting portion with respect to the guide arm at all. Therefore, the adjustment operation of the gap can be performed smoothly and easily. It is possible to improve the performance. Moreover, unlike the conventional guide wheel support device, there is no need to provide an eccentric shaft portion on the support shaft attached to the guide arm or an eccentric bush on the attachment portion of the support shaft with respect to the guide arm. Is also easy.
[0025]
Furthermore, according to the guide wheel support device for the guide rail type vehicle carriage according to claim 1 , the clearance between the guide rail and the guide wheel can be easily adjusted by the turning operation of the turning lever. By positioning and fixing the rotating lever to the guide arm by the fixing means, the guide wheel can be reliably positioned and held at the plurality of adjustment positions.
[0026]
According to the guide wheel support device for a guide rail type vehicle carriage according to claim 2 , the rotation lever can be easily fixed to the guide arm after the clearance between the guide rail and the guide wheel is adjusted with a simple configuration. It can be carried out.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a guide wheel support device apparatus for a guide rail type vehicle carriage according to an embodiment of the present invention.
FIG. 2 is a view taken in the direction of arrows XX in FIG.
FIG. 3 is a view on arrow Y in FIG. 1;
FIG. 4 is a plan view showing an outline of a guide device for a guide rail type vehicle carriage.
FIG. 5 is a front view of the same.
FIG. 6 is a side view of the same.
[Explanation of symbols]
2 cart 7 guide arm 7a, 20a mounting hole 7c screw hole 8 guide wheel 15 support shaft 15a guide shaft portion 15b mounting shaft portion 16 nut 18 guide wheel shaft 18a shaft hole 18b outer peripheral shaft portion 18c connecting shaft portion 19 bearing 20 rotating lever 20d Bolt hole 21 Bolt 23 Fixing means A Support mechanism e Eccentric distance H Displacement

Claims (2)

A guide arm provided on a guide rail type vehicle carriage for steering the carriage by movement in the left-right direction, and supported by the guide arm via a support mechanism so as to be rotatable and movable in the left-right direction of the guide arm. And a guide wheel support device for a guide rail type vehicle carriage provided with a guide wheel that is guided by a guide rail and moves the guide arm left and right,
The support mechanism includes a support shaft fixed to the guide arm, a guide wheel shaft rotatably supported by the support shaft and having an axis center at a position eccentric from the rotation center, and the guide wheel shaft rotatable. And a rotating means for rotating the guide wheel shaft around the center of rotation, the rotating means projecting radially from the guide wheel shaft. A guide rail type comprising: a turning lever for turning around the turning center; and a fixing means for fixing the turning lever to a guide arm at the plurality of turning operation positions. Guide wheel support device for a vehicle carriage. The said fixing means consists of the bolt hole provided in the said rotation lever, and the volt | bolt inserted in this bolt hole and screwed in the screw hole provided in the said guide arm . Guide wheel support device for a guide rail type vehicle carriage.

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