JP4823779B2 - Antifriction machine - Google Patents

Description

  [Technical Field] The present invention relates to an anti-friction device for a rolling device for converting a branching device of a railway, in which a bearing device for supporting the bottom side of a tongrel is arranged on the upper surface side of a sleeper.

  In the railway track, a branching device is provided at a position where the course of the railway vehicle is divided into two directions from one track. The branching unit is composed of a point portion, a lead portion, and a crossing portion, and the conversion operation is performed by switching the tongue portion of the point portion using a device.

  FIG. 5 is a plan view showing a point portion of a general branching device. The tongue rails T1 and T2 are installed inside the basic rails R1 and R2. When the tongue rail T1 is in close contact with the basic rail R1, the tongrel T2 is away from the basic rail R2, and the railway vehicle proceeds in the branch line direction. On the other hand, when the Tongrel T1 is away from the basic rail R1, the Tongrel T2 is in close contact with the basic rail R2, and the railway vehicle goes straight on the reference line as it is. These conversion operations of the Tongrel T1 and T2 are performed by applying the driving force of the motor of the electric switch 31 to the Tongrel T1 and T2 via the link member 32 and the relays 33a and 33b and the switch rods 34a and 34b. This is done by transmitting.

  By the way, the tongrels T1 and T2 are placed to slide on the steel plate floor plate 36 attached to the upper surface side of the sleeper 35, and in order to smoothly perform the conversion operation, It is necessary to reduce the sliding frictional resistance. Therefore, conventionally, oil has been applied to the surface on which the floor plate 36 and the Tongrel T1 and T2 slide to reduce the sliding frictional resistance. However, the effect of reducing sliding frictional resistance cannot be obtained due to oil spilling under the influence of wind and rain, etc., or iron powder or other dust generated by contact between the wheels and rails of a railway vehicle. The motor of the electric switch 31 may be overloaded, resulting in poor conversion.

  In view of this, Japanese Patent Laid-Open No. 2004-228620 proposes a tipping antifriction device 37 that can reduce the sliding frictional resistance during the conversion operation by the Tongrel T1 and T2 as shown in FIG. The anti-friction anti-friction device 37 includes an anti-friction device main body 38 that is attached to the base portion of the basic rails R1 and R2 by turning from the bottom surface side and locking the flange portion, and a spring shock absorber for the main body 38. The arm portion 41 is attached through the arm 39 and can swing about the pivot 40, and the roller 42 is attached to the distal end side of the arm portion 41. When the tong rails T1 and T2 move away from the state of being in close contact with the basic rails R1 and R2, they first slide on the floor plate 36 and ride on the rollers 42 from the middle to slide friction during the changing operation. The resistance can be reduced. However, this rolling anti-friction device 37 has only one roller 42 that supports the bottom side of the Tongrel, and it is not possible to reduce the sliding frictional resistance within the wide moving range of the Tongrel T1 and T2. Is possible.

Further, in Patent Document 1, as shown in FIG. 7, a mounting portion of a support roller 53 that supports the bottom side of the Tongleil with respect to a support shaft 52 inserted through the floor plate 51 is provided at the shaft center of the support shaft 52. An anti-friction lubricant 54 is disclosed that is mounted eccentrically. 55 is a sleeper. According to this anti-friction device 54, when the bearing shaft 52 is rotated about the axis, the locus of rotation of the center position of the bearing roller 53 having the mounting portion that is eccentric with respect to the axis of the bearing shaft 52 is rotated. The diameter becomes twice the eccentric dimension. In this way, the height of the support roller 53 can be adjusted by rotating the support shaft 52. However, since the bearing roller 53 is worn by repeating the conversion operation by the Tongrel, it is necessary to replace the bearing roller 53 before long. However, in this anti-friction device 54, when the bearing roller 53 is worn and replaced, it may be necessary to replace the entire floor plate 51. In this case, a large work cost is required for the replacement. is there.
Japanese Patent Laid-Open No. 2002-4203

  As described above, the method of applying oil to the sliding surface cannot be surely expected to reduce the sliding frictional resistance. In addition, since the refueling work by a person is performed while entering the railway line, it is very dangerous in terms of security, and oil application is also a problem from the viewpoint of protecting the global environment.

  In the anti-friction device described in Patent Document 1, the range in which the reduction of sliding frictional resistance can be expected is narrow, or when the bearing roller is worn and replaced, it may be necessary to replace the entire floor plate. In that case, a large work cost for replacement is required.

  The present invention has been made in view of the above-described problems of the prior art, and the object of the present invention is to reduce the sliding frictional resistance associated with the conversion operation by the Tongrel without using oil. When the bearing means that supports the bottom side of the Tongleil is worn and replaced, a friction reducer that can replace only the bearing means while leaving the floor plate intact. It is to provide. In addition, the present invention provides a tipping anti-friction device that can smoothly perform the conversion operation by the Tongrel and can reduce the sliding frictional resistance accompanying the conversion operation by the Tongrel over a wide range. It is in.

In order to achieve the above-mentioned object, the present invention provides a rolling pin provided on a floor plate arranged between the upper surface of a sleeper and the bottom surface of a basic rail and a tongrel and attached with a support device for supporting the bottom surface of the tongrel. In the anti-friction device, the support device is composed of a roller unit to which a plurality of support rollers for supporting the bottom surface of the tongrel is attached, and the floor plate is placed on the floor plate so that the mounting position of the roller unit with respect to the floor plate can be changed. It has a guide member of the roller unit so as to coincide with the moving direction of the tongue rail, and the roller unit is configured to be slidable in the moving direction of the tongrel along the guide member, detachably mounted Te, the floor plate has a sliding surface of the tongue rail, sliding sliding surface is tongue rails of the roller unit The end has an inclined surface for guiding the tongue rail upon conversion operation, among the plurality of supporting rollers, the nearest support roller on the tongue rail is characterized in that it is arranged lower.

Furthermore, the plurality of supporting rollers are preferably attached to the B Rayunitto toward the position close to the base rail toward the center of the gauge.

And it is preferable that the axial part of the said support roller is inserted and fixed to the insertion hole formed in the roller unit so that it may correspond with the longitudinal direction of a rail.

  According to the tip anti-friction device of the present invention, since the roller unit to which the support roller for supporting the bottom side of the Tongleil is attached is detachably attached to the floor plate, the Tongleil repeats the conversion operation. If the bearing roller is worn due to this, it is only necessary to remove the roller unit while leaving the floor plate intact, replace the worn bearing roller with a new bearing roller, and then attach the roller unit to the floor plate again. Can be done easily.

  Also, by forming the guide member of the roller unit on the floor plate so as to coincide with the moving direction of the Tongrel, the roller unit is appropriately slid along the guide member in the moving direction of the Tongrel, and the conversion operation by the Tongrel It is possible to change the mounting position of the roller unit to a position where smoothing can be performed.

  Furthermore, by attaching a plurality of support rollers to the roller unit from the position close to the basic rail toward the center of the gauge, it is possible to reduce the sliding frictional resistance associated with the conversion operation by the Tongrel over a wide range.

  Then, by adopting a system in which the shaft portion of the support roller is inserted into and fixed to the insertion hole formed in the roller unit so as to coincide with the longitudinal direction of the rail, the bearing is supported in the insertion hole formed in advance in the roller unit. Since it is only necessary to insert and fix the shaft portion of the roller, it is easy to manufacture the anti-friction device, and it can be manufactured at low cost.

  Embodiments of the present invention will be described below, but the present invention is not limited to the following embodiments, and can be appropriately changed and modified without departing from the technical scope of the present invention.

  1 (a) is a side view of the roller unit 1 of the present invention, FIG. 1 (b) is a plan view of the roller unit 1 of the present invention, and FIG. 1 (c) is a view of FIGS. 1 (a) and 1 (b). It is a right end view. As shown in FIGS. 1 (a) and 1 (b), the roller unit 1 of the present embodiment has a thread portion for inserting and fixing a shaft portion of a support roller integrated with a support roller described later. Four holes 2 are formed so as to coincide with the longitudinal directions of the basic rail and the tongrel described later. Of course, it goes without saying that the number of the insertion holes 2 can be increased or decreased as necessary. Further, the support roller and the shaft portion are not necessarily integral, and the support shaft having the screw portion is inserted into and screwed into the insertion hole having the screw portion formed in the roller unit, and the support shaft is supported by the support shaft. A configuration in which a roller is mounted can also be adopted.

  As shown in FIG. 1A, the roller unit 1 is formed with an inclined surface 3 for guiding the tongrel so that the conversion operation by the tongrel is performed smoothly. Further, the roller unit 1 is moved in the moving direction of the Tongrel along a protruding guide (see reference numeral 11 in FIGS. 3A and 3B) formed on the floor plate described later so as to coincide with the moving direction of the Tongrel. As shown in FIGS. 1B and 1C, the roller unit 1 has a groove 4 that fits into the protrusion guide so that the roller unit 1 can be slid. (The direction perpendicular to the paper surface). Further, as shown in FIGS. 1B and 1C, the roller unit 1 is formed with a long hole 5 similar to an elliptical shape along the groove portion 4 so that a fastening bolt for attaching to the floor plate can be inserted. ing. Moreover, the step part 6 is formed in the circumference | surroundings of the long hole 5 similar to elliptical shape so that the said fastening bolt may not protrude from a floor board upper surface.

  FIG. 2 is a plan view of the support roller 7. A shaft portion 7 a having a screw portion that is integral with the support roller 7 protrudes from the support roller 7.

  FIG. 3A is a side view of the floor plate 8 to which the roller unit 1 is attached, and FIG. 3B is a plan view of the floor plate 8. The floor board 8 has an installation part 9 for a basic rail and a sliding surface 10 for a tongrel. Further, a protrusion guide 11 is formed on the floor plate 8 so as to coincide with the moving direction of the Tongrel. When the groove portion 4 formed in the roller unit 1 shown in FIGS. 1B and 1C is fitted into the protrusion guide 11, the roller unit 1 can be slid in the moving direction of the Tongrel. The ridge guide 11 is provided with six bolt insertion holes 12 through which bolts for attaching the roller unit 1 to the floor plate 8 are inserted. Further, the floor plate 8 is formed with a bolt insertion hole 13 for inserting a bolt for attaching a rail press described later, and a bolt insertion hole 14 for inserting a bolt for attaching the floor plate 8 to the sleeper.

  FIG. 4 (a) is a front view showing a state in which the anti-friction lubricant 15 of the present invention is installed on the sleeper 16, and FIG. 4 (b) is a plan view thereof. In FIG. 4B, a basic rail, a tongrel and a rail press described later are omitted. 4 (a) and 4 (b), the shaft portions of the four support rollers 7 that support the bottom side of the Tongrel are inserted into the insertion holes (see number 2 in FIG. 1 (b)) of the roller unit 1 and screwed. The bearing roller 7 is attached to the roller unit 1 by wearing. Reference numeral 17 is a basic rail, and 18 is a tongrel. Reference numeral 19 denotes a rail retainer, and the rail retainer 19 is attached to the floor plate 8 by fastening bolts 20. The anti-friction reducer 15 configured as described above is attached to the sleeper 16 by inserting the fastening bolt 21 into the bolt insertion hole (see reference numeral 14 in FIG. 3A).

  In order to facilitate the riding operation of the tongue rail 18 onto the support roller 7, the height of the support roller 7 is slightly higher than the Tongle rail sliding surface 10 of the floor plate 8 as shown in FIG. Is set to As can be seen from FIG. 1 (a), among the four insertion holes 2, the insertion hole 2 closest to the inclined surface 3 is formed slightly lower than the other insertion holes. The support roller 7 inserted through the insertion hole 2 (the support roller closest to the Tonglele 18 to which the Tonglele 18 first contacts) is slightly lower than the other support rollers, so It is even easier.

  In FIG. 4B, the roller unit 1 is attached to the floor plate 8 by three fastening bolts 22, but the roller unit 1 is provided with a ridge guide 11 so that the mounting position of the roller unit 1 with respect to the floor plate 8 can be changed. Can be slid in the moving direction of the Tongrel 18. That is, the fastening bolt 22 is pulled out and the roller unit 1 is appropriately slid along the protrusion guide 11 in the moving direction of the Tongrel 18 (see the direction indicated by the double arrow in FIG. 4A). The roller unit 1 can be attached to the floor plate 8 by the fastening bolt 22 at a position where it can be smoothly performed. By attaching a plurality of support rollers 7 to the roller unit 1 from the position close to the basic rail 17 toward the center of the gauge, it is possible to reduce the sliding frictional resistance accompanying the conversion operation by the Tongleil 18 over a wide range. is there.

  Next, the operation of the anti-friction device 15 configured as described above will be described.

  First, as shown by the solid line in FIG. 4A, when the switching operation of the branching device is started from the state in which the Tongler 18 is in contact with the basic rail 17, the Tongler 18 is in the initial stage of movement when the floor plate 8 is moved. The sliding surface 10 is slid onto the nearest bearing roller 7 and the frictional resistance accompanying the movement is reduced. Thereafter, the Tongleil 18 sequentially slides on the adjacent support rollers 7 to achieve a smooth conversion operation as a whole. A chain line in FIG. 4A shows a state in which the Tongleil 18 has completed the conversion operation. Thus, by arranging a plurality of support rollers 7 from a position near the basic rail 17 of the floor board 8 attached to the upper surface side of the sleeper 16 toward the center side of the gauge, in the switching operation of the branching device, The tongue rail 18 can move in a state where it rides on the support roller 7 in most of its moving range, and the sliding frictional resistance accompanying the conversion operation can be remarkably reduced.

  However, since the bearing roller 7 is worn by repeating the conversion operation by the Tongrel 18, it is necessary to replace the bearing roller 7 before long. In this case, it is sometimes necessary to replace the entire floor plate with the conventional antifriction lubricant, and in that case, a large work cost for replacement is required. However, according to the antifriction antifriction device 15 of the present invention, the fastening bolt 22 shown in FIG. 4B is pulled out, the floor plate 8 is left as it is, and only the roller unit 1 is removed and replaced with a new roller unit. Since it is only necessary to attach the roller unit 1 to the floor plate 8 with the fastening bolts 22, the support roller can be easily replaced.

  The present invention is not limited to the above-described embodiment, and appropriate modifications can be made.

1 (a) is a side view of the roller unit 1 of the present invention, FIG. 1 (b) is a plan view of the roller unit 1 of the present invention, and FIG. 1 (c) is a view of FIGS. 1 (a) and 1 (b). It is a right end view. It is a top view of the support roller 7. FIG. FIG. 3A is a side view of the floor plate 8 to which the roller unit 1 is attached, and FIG. 3B is a plan view of the floor plate 8. FIG. 4 (a) is a front view showing a state in which the anti-friction lubricant device of the present invention is installed in a sleeper, and FIG. 4 (b) is a plan view thereof. In FIG. 4B, the basic rail, the tongrel and the rail retainer are omitted. It is a top view which shows the point part of a common branching device. It is a front view which shows the state which attached the conventional antifriction lubricant to the basic rail. It is a front view which shows the state which attached the conventional tipping antifriction device to the sleeper.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Roller unit 2 Insertion hole 3 Inclined surface 4 Groove part 5 Long hole 6 Step part 7 Support roller 7a Shaft part of support roller 8 Floor board 9 Basic rail installation part 10 Sliding surface of tongue rail 11 Projection guide 12 Bolt insertion hole 13 Bolt insertion hole 14 Bolt insertion hole 15 Roller anti-friction device 16 Sleeper 17 Basic rail 18 Tongue rail 19 Rail presser 20 Fastening bolt 21 Fastening bolt 22 Fastening bolt 31 Electric switch 32 Link member 33a Repeater 33b Repeater 34a Roller rod 34b Roller rod 35 Sleeper 36 Floor plate 37 Roller anti-friction device 38 Lubricator body 39 Spring shock absorber 40 Axis 41 Arm portion 42 Roller 51 Floor plate 52 Bearing shaft 53 Bearing roller 54 Rolling rod Reducer 55 Sleeper T1 Tongue Rail T2 Tongue Rail R1 Basic Rail R2 Basic Rail

Claims (3)

In an anti-friction anti-friction device provided on a floor plate arranged between the upper surface of the sleeper and the bottom surface of the basic rail and the tongrel, and attached with a support device for supporting the bottom surface of the tongrel
The floorboard has a sliding surface in the moving direction of the Tongrel,
The support device is composed of a roller unit having a plurality of support rollers that are set slightly higher than the sliding surface and support the bottom surface of the Tongrel base.
The floor plate has a guide member of the roller unit so as to coincide with the moving direction of the Tongrel on the floor plate so that the mounting position of the roller unit with respect to the floor plate can be changed.
The roller unit is configured to be slidable in the moving direction of the Tongrel along the guide member and is detachably attached to the floor board ,
The roller unit has an inclined surface that guides the Tongrel at the end of the Tongrel side, and among the plurality of supporting rollers, the bearing roller closest to the Tongrel is disposed low. A tipping anti-friction device. The plurality of supporting rollers, rolling iron antifriction device of claim 1 Symbol mounting, characterized in that attached to the B Rayunitto toward the center side of the gauge from the position close to the base rail. Shaft portion of the supporting roller, rolling iron antifriction of claim 1 or 2, wherein the inserted into the insertion hole formed in the roller unit is fixed so as to coincide with the longitudinal direction of the rail vessel.

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