JPH0547003U - Rail fastening bracket tensioning device - Google Patents

Abstract

(57) [Abstract] [Purpose] The rail fasteners can be mechanically removed and installed securely, which saves manpower and shortens the work time, and also facilitates the transportation and direction change of the device to improve work efficiency. Further increase. [Structure] In a state in which the left and right work carriages 8 are moved in the opposite directions to the traveling carriage 5 that moves forward at a constant speed, the bolts are loosened by the bolt tensioner 18 and the rail fasteners are removed from the sleepers by the gripping and conveying device 28. In addition, the traveling carriage 5 can be assembled and disassembled, and
The work carriage 8, the bolt tensioner 18, and the gripping and conveying device 28 are detachably provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a rail fastening metal fitting loosening device used for rail track rail replacement work.

[0002]

[Prior Art]

 Generally, when replacing rails on railroad tracks, it is necessary to remove the rail fasteners that secure the rails to the sleepers. This was done by loosening the rails one by one, and another worker removing the rail fastening bracket with the bolts loosened from the sleepers.

[0003]

[Problems to be solved by the device]

 However, if the worker manually removes the rail fasteners as described above, it takes a lot of labor and time and is very inefficient.

In view of the above situation, the present invention aims to provide a rail fastening metal fitting loosening device capable of saving labor and time for removing and mounting the rail fastening metal fittings.

[0005]

[Means for Solving the Problems]

 The present invention relates to a traveling carriage that can travel on rails fixed to sleepers by rail fastening metal fittings, and left and right work carriages that are mounted on the traveling carriage so as to be movable in a direction parallel to the traveling direction of the traveling carriage, A bolt tensioner having a socket wrench portion that can be lifted up and down on the work carriage and can fasten and loosen the bolts of the rail fastening metal fittings; A rail fastening metal fitting tensioning device provided with a gripping and conveying device that is movable in a direction and that is capable of gripping the rail fastening metal fittings and dropping the gripped rail fastening metal fittings to a required position. A front frame, a rear frame having rear wheels, a lower connecting frame that connects the lower portions of the front and rear frames, an upper left and right end portions of the front and rear frames, and the left and right work carriages are connected to each other. Move The traveling trolley can be assembled and disassembled from the left and right guide rails that are mounted on the left and right, and the bolt tensioner and the gripping and conveying device are detachably provided on the left and right work trolleys, respectively. It is a feature.

[0006]

[Action]

 Therefore, when removing the rail fasteners when replacing the rail, first place the front frame with the front wheel in the disassembled state and the rear frame with the rear wheel on the rail. The lower part of the frame is connected by the lower connecting frame, and the upper and left both ends of the front and rear frames are connected by the left and right guide rails on which the work carriages are movably mounted, and the left and right work carriages are bolt tensioners respectively. After mounting the gripping and transporting device and completing the assembly of the rail fastening bracket tensioning device, move the traveling carriage forward at a constant speed with the work carriage waiting at the reference position, and remove the rail tightening metal fittings to be removed. When the bolt tensioner is located at the bolt head position, place the work carriage in the opposite direction to the traveling carriage so that the bolt tensioner is relatively stopped at the bolt head position. While moving at a speed, lowering the bolt tensioner and the gripping and conveying device lowers the rail fastening metal fittings by the gripping and conveying device and fits the socket wrench part of the bolt tensioner on the bolt head. When the socket wrench is rotated, the bolt wrench and gripping / conveying device are raised at a speed synchronized with the rotation speed of the socket wrench, and the bolt is loosened by the bolt wrench and the gripping / conveying device. The rail fasteners are removed from the sleepers and lifted up to the required position above the rails.After that, the gripping and conveying device moves in the direction perpendicular to the moving direction of the work carriage, and the rail fasteners removed from the sleepers are moved to the rails. It is dropped to the required position inside or outside of.

On the other hand, when the rail fastening metal fitting is reattached after the rail replacement, the bolts of the rail fastening metal fitting temporarily fixed to the sleepers by the worker are sequentially tightened by the bolt tensioner.

After the rail fastening metal fitting is completely attached, the rail fastening metal fitting tensioning device is disassembled in the reverse order of the assembling, and the rail fastening metal fitting tensioning device is removed from the rail.

[0009]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

1 to 5 show an embodiment of the present invention, which is a gate-shaped front frame 33 having a front wheel 31, a gate-shaped rear frame 34 having a rear wheel 32, and the front and rear frames 33. Left and right guide rails that connect the lower connecting frame 35 that connects the lower portions of the front and rear frames 33 and 34 to the lower connecting frames 35 that connect the lower portions of 6, a traveling carriage 5 that can be assembled and disassembled and that can travel at a required speed in the direction of the arrow in FIGS. 1 and 2 by a drive device 4 such as a motor is fixed to the sleeper 1 by a rail fastening metal fitting 2. Place it on the rail 3.

A work carriage 8 is mounted on each of the left and right guide rails 6 of the traveling carriage 5 so as to be movable via guide rollers 7, and a rack 9 fixed to the lower portion of the guide rail 6 is provided with the work carriage 8. A pinion 11 rotatably driven by a drive device 10 such as a motor installed on the work carriage 8 is engaged.

The left and right ends of the connecting boom 12 extending in parallel with the sleepers 1 are mounted on the brackets 30 projecting from the left and right work carriages 8 so as to be horizontally swinging about the vertically extending swivel shaft 13. It is detachably pivoted.

Further, an elevating table 16 is provided on a guide member 15 provided in the vertical direction of the support frame 14 so as to be vertically movable by expanding and contracting a cylinder 17, and the elevating table 16 is rotated by a drive source in a main body 18a. A bolt tensioner 18 having a socket wrench portion 18b that can be driven to fasten and loosen the bolt 2a of the rail fastener 2 is mounted vertically downward to form a unit, and the support frame 14 of the unit is used for the left and right work. It mounted for respectively detachably attached to the consolidated boom 12 opposite ends integral with the carriage 8, as shown in FIG. 2, the straight line L is set to be parallel to the connecting boom 12 connecting the shaft center O _B of the bolt緊解machine 18 .

Further, a ball screw 20 extending in the vertical direction is arranged on the substrate 19 so as to be rotatable by a driving device 21 such as a motor, and a conveying guide rail 22 extending in the direction perpendicular to the rail 3 is vertically attached to the ball screw 20. A nut 23 integral with a support member 31 fixed to the work guide 8 is screwed onto the guide rail 22 for conveyance, and a traverse frame 24 is driven via a wheel 32 to drive a chain 26 by a drive device 25 such as a motor. A hand device that is provided so as to be movable in a direction perpendicular to the moving direction, has a finger portion 27b that can be opened and closed by supplying and discharging a working fluid to and from the main body portion 27a on the traverse frame 24, and is capable of gripping the rail fastening member 2. 27 is provided to form a gripping and conveying device 28 for the rail fastening member 2, and the board 19 of the gripping and conveying device 28 is integrally connected to the left and right work carriages 8 to form a connecting boom 1. 2 Removably attached to both ends.

Further, sensors 29 capable of detecting the head positions of the bolts 2a of the rail fasteners 2 are attached to the left and right positions of the front portion of the traveling carriage 5, and the above-mentioned sensors 29 are mounted on the traveling carriage 5. A drive signal is output to the left and right work carriages 8 so that the bolt attenuator 18 is arranged at a position directly above the head of the bolt 2a based on a detection signal from the cylinder 17, the bolt attenuator 18, and gripping and conveying. A control device (not shown) that outputs a drive signal to the device 28 is provided.

Next, the operation of the above embodiment will be described.

When removing the rail fastening member 2 when replacing the rail 3, first, as shown in FIG. 5, a gate-shaped front frame 33 having a front wheel 31 in a disassembled state and a rear wheel 32 are provided. After the gate-shaped rear frame 34 and the rear frame 34 are mounted on the rail 3 while being supported by the pedestals 36, the lower portions of the front and rear frames 33 and 34 are connected by the lower connection frame 35, and the pedestals are connected to each other. The front and rear frames 33 and 34 are connected to each other by the left and right guide rails 6 on which the work carriage 8 is movably mounted, and the left and right work carriages 8 are connected by a connecting boom 12. The boards 19 of the gripping and conveying device 28 are attached to both ends of the connecting boom 12, and finally, the support frames 14 of the unitized bolt tensioning device 18 are attached to both ends of the connecting boom 12 and the rails are fastened. Completed the assembly of the metal fitting loosening device.

As shown in FIGS. 1 and 2, the assembled traveling vehicle 5 is always moving forward on the rail 3 at a constant speed, and the bolts 2 a of the rail fastening metal fitting 2 to be subsequently removed by the left and right sensors 29. The head position is detected, the head position of the bolt 2a is stored in a control device (not shown) based on the detection signal from each sensor 29, the left and right work carriages 8, the cylinder 17, the bolt tensioner 18, Drive signals are output to the gripping and conveying device 28, respectively.

The left and right work carriages 8 are bolted by the traveling carriage 5 based on the data of the head position of the bolt 2a previously stored by the control device from the state of standing by at the reference position O on the guide rail 6. When the tensioner 18 is located at the head of the bolt 2a, the bolt tensioner 18 is relatively stopped at the head of the bolt 2a. Start moving at a constant speed.

In this state, as the ball screw 20 is driven to rotate by the driving device 21, the hand device 27 descends together with the carrying guide rail 22 of the gripping and carrying device 28 with the finger portion 27b open and the hand device 27. While the rail fastener 2 is gripped by the cylinder 17, the bolt tensioner 18 descends due to the extension operation of the cylinder 17, the lower end of the socket wrench portion 18b fits into the head of the bolt 2a, and the socket wrench portion 18b rotates. On the other hand, the rotation of the ball screw 20 raises the gripping and conveying device 28, and the contraction operation of the cylinder 17 raises the bolt tensioner 18 at a speed synchronized with the rotation speed of the socket wrench portion 18b.

The bolt 2a is loosened by the bolt tensioner 18 and the gripping and conveying device 28, the rail fastening metal 2 is removed from the sleeper 1, and the bolt tensioning device 18 and the gripping and conveying device 28 are required above the rail 3. When it reaches the position, the gripping and conveying device 28 stops rising, the rotation of the socket wrench portion 18b stops, the bolt tensioner 18 further rises by a required amount, and the socket wrench portion 18b moves toward the head portion of the bolt 2a. Leave from.

When the socket wrench portion 18b is detached from the head of the bolt 2a, the traverse frame 24 is moved inside or outside the rail 3 along the conveyance guide rail 22 by driving the chain 26 by the driving device 25. Then, the finger portion 27b of the hand device 27 is opened and the rail fastening member 2 and the bolt 2a are dropped.

Thereafter, the transverse frame 24 is returned to the original position at the center of the transport guide rail 22 by driving the chain 26, and the left and right work carriages 8 are returned to the reference positions on the guide rails 6. After that, the same operation as described above is repeated.

On the other hand, when the rail fastening metal fitting 2 is to be reattached after the rail 3 is replaced, the worker temporarily fixes the rail fastening metal fitting 2 to the sleeper 1 with the bolts 2a, and the rail fastening metal fitting 2 is temporarily fixed. The bolt 2a of the metal fitting 2 is sequentially tightened by the bolt tensioner 18.

After disassembling the rail fastener 2, when disassembling the rail fastener disintegration device, disassemble the rail fastener disassembly device in the reverse order of the assembling procedure shown in FIG. , Remove the rail fastener disassembly device from the rail 3.

In this way, it is possible to mechanically and efficiently perform the removal and mounting work of the rail fastening metal fitting 2, which has conventionally required a great deal of labor and time, and further, the rail fastening metal fitting tensioning device is assembled and disassembled. With this configuration, it is possible to easily carry and change the direction of the rail fastening metal fitting disentanglement device, and it is possible to further improve the work efficiency.

The rail fastener disintegration device of the present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made without departing from the gist of the present invention.

[0028]

[Effect of the device]

 As described above, according to the rail fastener disintegration device of the present invention, it is possible to reduce the labor and time required for removing and mounting the rail fastener, and to easily transport and change the direction of the device. Therefore, it is possible to achieve the excellent effect that the work can be performed more efficiently and the work can be made more efficient.

[Brief description of drawings]

FIG. 1 is a side view of an embodiment of the present invention.

2 is a view taken along the line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a perspective view of an embodiment of the present invention.

FIG. 5 is a schematic view of an assembly procedure of an embodiment of the present invention.

[Explanation of symbols]

 1 sleeper 2 rail fastening metal fitting 2a bolt 3 rail 5 traveling trolley 6 guide rail 8 working trolley 18 bolt tensioner 18b socket wrench 28 gripping and conveying device 31 front wheel 32 rear wheel 33 front frame 34 rear frame 35 lower connecting frame

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Toshio Kojima 3-1-15 Toyosu, Koto-ku, Tokyo, Ishikawajima Harima Heavy Industries, Ltd. Toji Technical Center (72) Creator Naoto Watanabe 3-chome, Toyosu, Koto-ku, Tokyo No. 1-15 Ishikawajima Harima Heavy Industries Co., Ltd. Toni Technical Center (72) Inventor Kengo Kobayashi 3-15-15 Toyosu, Koto-ku, Tokyo Ishikawajima Harima Heavy Industries Co., Ltd. Toni Technical Center (72) Inventor Hayashi Mitsuaki 3-15 Toyosu, Koto-ku, Tokyo Ishikawajima Harima Heavy Industries Co., Ltd. Toni Technical Center

Claims (1)

[Scope of utility model registration request] 1. A traveling carriage that can travel on a rail fixed to a sleeper by a rail fastener, and left and right work carriages that are mounted on the traveling carriage so as to be movable in a direction parallel to the traveling direction of the traveling carriage. A bolt tensioner having a socket wrench portion capable of being lifted up and down on the work carriage and tightening and loosening the bolts of the rail fastening metal fittings; and a direction capable of moving up and down on the work carriage and perpendicular to the moving direction of the work carriage. A rail fastening metal fitting relieving device comprising: a gripping and conveying device that is movably provided on the rail fastening metal and that is capable of dropping the gripped rail fastening metal fitting to a predetermined position; and a front frame including front wheels. , A rear frame having rear wheels, a lower connecting frame connecting the lower portions of the front and rear frames, an upper left and right end portion of the front and rear frames, and the left and right work carriages are movable The traveling carriage is configured to be assembled and disassembled from the left and right guide rails mounted on, and the bolt tensioning device and the gripping and conveying device are detachably provided on the left and right work carriages, respectively. Rail fastening bracket tensioning device.