JP2014095275A - Repair tool loading device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a repair tool to be smoothly moved to a rail fastening device which needs repairing.SOLUTION: A repair tool loading device includes: a loading base 2 to which a repair tool is attached and which is placed on a rail R fixed to a sleeper RT by a rail fastening device RC; a rolling element 3 which is rotatably provided on the underside of the loading base 2 and rolls on the top face of a head Ra of the rail R; a pair of contact bodies 4a, 4b which are respectively provided on both left and right sides of the head Ra of the rail R in the loading base 2; and a movement mechanism 5 which moves the contact bodies 4a, 4b between a fixing position P where the contact bodies 4a, 4b are pressed to the head Ra to fix the loading base 2 to the rail R an a retreat position Q where the contact bodies 4a, 4b are separated from the head Ra to allow the loading base 2 to travel with respect to the rail R.

Description

  The present invention relates to a repair tool mounting device that enables repair work of the rail fastening device while moving a repair tool for repairing the rail fastening device that fixes the rail to a sleeper along the rail. It is.

  A rail fastening device for fixing a railroad rail to a sleeper is composed of a track pad provided on the lower surface of the railroad rail, an embedding plug embedded in the sleeper, a rail pressing leaf spring for pressing the rail, and a rail pressing leaf spring. The rail comprises a fastening bolt or the like that is screwed into the embedded plug to press and fix the bottom of the rail to the sleepers.

  Conventionally, as a repair work of the rail fastening device, as shown in Patent Document 1, a method of replacing fastening bolts and various parts in the rail fastening device without replacing a sleeper itself has been considered.

  Specifically, a tool such as a drill for drilling an anchor hole in a sleeper is attached to a body base mounting body provided so as to straddle the railroad rail, and the body base is railroaded by a traveling roller provided on the lower surface of the body base. It is configured to be movable along the rail. And this main body base has a pair of contact body provided in the right and left both sides of a railroad rail, and a pair of operation bolts for expanding and contracting this contact body, The rail is fixed to the rail by pressing against the rail.

  However, since the contact body of Patent Literature 1 is configured to contact the top and bottom surfaces of the railroad rail head and base, the main body base along the railroad rail is separated from the railroad rail. When the moving body is moved, the contact body in the separated position comes into contact with the fastening bolt of the rail fastening device and the movement is hindered, and the main body base cannot be moved smoothly. In addition, the operation bolt for expanding and contracting the contact body and the left and right side walls of the main body base provided with the operation bolt also come into contact with the fastening bolt of the rail fastening device, so that the main body base can be moved smoothly. There is a problem that can not be. For this reason, the repair tool cannot be smoothly moved to the rail fastening device requiring repair, and workability is deteriorated.

JP 2003-268703 A

  Therefore, the main object of the present invention is to make it possible to smoothly move the repair tool to the rail fastening device that needs repair.

  That is, the repair tool mounting apparatus according to the present invention is a repair tool mounting apparatus on which a repair tool for repairing a rail fastening bracket for fixing a railroad rail to a sleeper is mounted, and the repair tool is attached to the repair tool mounting apparatus. A mounting base that is placed on one rail fixed to sleepers by the rail fastening device, a rolling element that is rotatably provided on the lower surface of the mounting base, and rolls on the top surface of the top of the one rail, and the mounting A pair of abutting bodies provided on the left and right sides of the head of the one rail in the base, and a fixing position for pressing the abutting body against the head and fixing the mounting base to the one rail; And a moving mechanism that moves the abutment body between a retreat position that separates the abutment body from the head and enables the mounting base to travel with respect to the one rail. To do.

  In such a case, the pair of contact bodies are provided on both the left and right sides of the rail head, and are pressed against the rail head by the moving mechanism. It can be located on the part side. Therefore, the contact body, the moving mechanism, and the mounting base can be separated from the bottom of the rail as much as possible, and when the repair tool mounting device is moved along the rail, the rail fastening device, the contact body, It is possible to prevent the movement mechanism and the mounting base from coming into contact with each other and hindering the movement. Thereby, the repair tool can be smoothly moved to the rail fastening device that needs repair. In addition, since the repair tool mounting device is configured to be mounted on one of the rails and travel on the one rail, there is no need to make the repair tool mounting device large. Therefore, the size can be reduced and the handling of the operator can be facilitated. Furthermore, since the rolling elements are provided on the lower surface of the mounting table, the rail can be run more smoothly.

It is desirable that each of the contact bodies has a substantially U-shape that presses and contacts the upper surface and the lower surface of the head at the fixed position.
If this is the case, the abutment body is pressed against the upper and lower surfaces of the head, and the abutment body is fitted to the head, so that the mounting base can be firmly fixed.

When the mounting base is fixed with the abutment body fixed by the moving mechanism, the orientation of the mounting base and the repair tool mounted on the mounting base is defined by the standing direction of the rail and the longitudinal direction of the rail. End up. That is, when the standing direction of the rail is tilted from the vertical direction, the mounting base and the repair tool are also tilted and fixed from the vertical direction. When the longitudinal direction of the rail is inclined from the horizontal direction, the mounting base and the repair tool are also inclined and fixed from the horizontal direction. Then, when the direction of the repair tool mounted on the mounting base is different from the extending direction of the fastening bolt of the rail repair device, the fastening bolt may not be removed by the repair tool.
For this reason, the mounting base is provided by being interposed between the mounting base and the sleeper or the ground, and in the state where the contact body is slightly separated from the head, It is desirable to provide an inclination fixing mechanism that is inclined with respect to the one rail and fixes the mounting table to the rail.
In this case, the inclination angle of the mounting base with respect to the rail can be adjusted by the inclination fixing mechanism regardless of the standing direction and the longitudinal direction of the rail, and the direction of the repair tool and the extending direction of the fastening bolt in the rail fastening device Or the like, the direction of the repair tool can be aligned with the direction along the extending direction of the fastening bolt.

  The mounting base is provided with a mounting base main body provided with the rolling element, the contact body and the moving mechanism, a rotating member rotatably provided on the upper surface of the mounting base main body, and detachably provided on the rotating member. It is preferable that the mounting post is attached to the repair tool, and the mounting position of the mounting post can be changed with respect to the rotating member. If this is the case, the fastening bolts on the outside and inside of the rail can be repaired and the mounting position of the mounting post can be changed, so the turning radius of the repair tool can be changed, The rail fastening device can be repaired.

  According to the present invention configured as described above, since the rail head is pressed and fixed by the contact body, the rail fastening device, the contact body, the moving mechanism, and the mounting base come into contact with each other. This can be prevented, and the repair tool can be smoothly moved to the rail fastening device requiring repair.

Sectional drawing (retraction position) which shows the structure of the tool mounting apparatus for repair of this embodiment. Sectional drawing which shows the structure of the tool mounting apparatus for repair of the embodiment (fixed position). The side view which shows the structure of the tool mounting apparatus for repair of the embodiment. The top view which shows the structure of the tool mounting apparatus for repair of the embodiment. Sectional drawing which shows the structure of the inclination fixing mechanism of deformation | transformation embodiment.

  Hereinafter, an embodiment of a repair tool mounting apparatus according to the present invention will be described with reference to the drawings.

  The repair tool mounting apparatus 100 according to the present embodiment is equipped with a repair tool for repairing a rail fastening device RC that fixes a railroad rail to a sleeper RT. It moves along one of the rails R (hereinafter simply referred to as “rail R”).

  The repair tool is screwed into the embedded plug RC1 embedded in the sleeper RT and the embedded plug RC1 so that the damaged embedded plug RC1 and the fastening bolt RC2 can be taken out. This is an anchor hole drill for punching a range including the fastening bolt RC2 into a cylindrical shape and forming an anchor hole in the sleeper RT. A chemical material is injected into the anchor hole formed by the anchor hole drill, and a separate embedded plug RC1 is embedded. In addition, the repair tool may be an electric chiseling machine, an electric torque wrench, or the like that removes the damaged fastening bolt RC2.

  Specifically, as shown in FIG. 1 to FIG. 4, this is provided with a mounting base 2 on which a repair tool is attached and placed on a rail R fixed to a sleeper RT by a rail fastening device RC. A rolling element 3 which is rotatably provided on the lower surface and rolls on the upper surface of the head portion Ra of the rail R, and a pair of contact members 4a which are provided on the left and right sides of the head portion Ra of the rail R on the mounting base 2; 4b and a moving mechanism 5 for expanding and contracting the contact bodies 4a and 4b with respect to the head portion Ra of the rail R.

  The mounting base 2 includes a mounting base body 21 provided with the rolling elements 3, the contact bodies 4 a and 4 b, and the moving mechanism 5, a rotating member 22 rotatably provided on the upper surface of the mounting base body 21, and a rotating member 22. And a mounting column 23 that is detachably provided and on which a repair tool is mounted.

  The mounting base body 21 is substantially U-shaped when viewed from the longitudinal direction of the rail provided so as to straddle the head portion Ra of the rail R. Two rolling elements 3 are provided on the lower surface of the mounting base body 21 in the front-rear direction along the rail longitudinal direction. In order to stabilize the mounting base 2 when traveling on the rail R, the two rolling elements 3 are arranged on the front and rear end sides of the mounting base body 21, that is, on the front and rear outer sides than the contact bodies 4a and 4b. Is provided.

  The rotation member 22 is provided on the upper surface of the mounting base body 21 so that the rotation center 22x is located at the center in the left-right direction orthogonal to the rail longitudinal direction. A plurality of fixing screw holes 22h for fixing the mounting column 23 are formed on the upper surface of the rotating member 22 (see FIG. 3). In addition, although the rotation member 22 of this embodiment is provided in the rail longitudinal direction in the mounting base main body 21, it may be provided in the other side and what was provided in the center part. It may be.

  The mounting post 23 has a flange portion 231 provided at the lower end thereof fixed to the rotating member 22 by a fixing screw 24, and a repair tool is detachably attached to the upper portion thereof. Further, the mounting column 23 is configured to be able to slide the mounted repair tool along the extending direction (vertical direction) of the mounting column 23 and to rotate around the mounting column 23. Here, the mounting post 23 is eccentric from the rotational center 22x of the rotating member 22 by changing the mounting position of the flange portion 231 with respect to the fixing screw hole 22h of the rotating member 22. Position. 4 and the like show a case where the rotation center 23x of the mounting column 23 and the rotation center 22x of the rotation member 22 coincide with each other.

  A pair of contact bodies 4 a and 4 b provided on the left and right sides of the head portion Ra of the rail R are provided inside the left and right side wall portions 211 and 212 of the mounting base body 21. Specifically, a pair of abutting bodies 4a and 4b are provided at two front and rear locations along the rail longitudinal direction of the mounting base body 21, respectively. Moreover, each contact body 4a, 4b has the recessed part 41 which accommodates a part of head part Ra of the rail R, and the rail longitudinal direction comprised so that the upper surface and lower surface of the head part Ra of the rail R might be contacted As seen from above, it is roughly U-shaped. These abutments 4 a and 4 b are supported by the moving mechanism 5 on the left and right side wall portions 211 and 212 of the mounting base body 21 so as to be slidable.

  The moving mechanism 5 has a fixed position P (see FIG. 2) for fixing the mounting base body 21 to the rail R by pressing the contact bodies 4a and 4b that make a pair with the head Ra of the rail R, and the head Ra. The contact bodies 4a and 4b are separated from each other, and the contact bodies 4a and 4b are expanded and contracted between retreat positions Q (see FIG. 1) that allow the mounting base body 21 to travel with respect to the rail R by separating the pair of contact bodies 4a and 4b. Is. Specifically, the moving mechanism 5 expands and contracts the pair of contact bodies 4a and 4b in the left-right direction orthogonal to the rail longitudinal direction.

  Specifically, the moving mechanism 5 includes a rotating screw member 51 that is rotatably provided on the left and right side wall portions 211 and 212 of the mounting base body 21 and slides the contact bodies 4a and 4b. The right screw 51a formed on the one axial side from the axial center of the screw member 51, the left screw 51b formed on the other axial side of the rotary screw member 51, and the one contact body 4a. The female screw portion 52a is formed and screwed into the right screw portion 51a, and the female screw portion 52b is formed in the other contact body 4b and screwed into the left screw portion 51b. By rotating the rotary screw member 51 of the moving mechanism 5 configured as described above, the pair of contact bodies 4a and 4b can be expanded and contracted between the fixed position P and the retracted position Q. Further, at the fixed position P, each contact body 4a, 4b is elastically deformed and press-contacts with the upper surface and the lower surface of the head Ra. Further, at the retracted position Q, the contact bodies 4a and 4b function as a travel guide when the mounting base 2 travels on the rail R.

  The rotating screw member 51 is formed above the recess 41 formed in the contact bodies 4a and 4b. Thereby, the rotating screw member 51 is provided above the head portion Ra of the rail R, and the left and right side wall portions 211 and 212 of the mounting base body 21 can be shortened.

  According to the repair tool mounting device 100 according to the present embodiment configured as described above, the paired contact bodies 4a and 4b are provided on the left and right sides of the head portion Ra of the rail R, and are contacted by the moving mechanism 5. Since the bodies 4a and 4b press and fix the head portion Ra of the rail R, the contact bodies 4a and 4b and the moving mechanism 5 can be positioned on the head portion Ra side of the rail R. Therefore, since the contact bodies 4a and 4b and the moving mechanism 5 can be separated from the bottom Rb of the rail R as much as possible, when the repair tool mounting device 100 is moved along the rail R, the rail fastening device It is possible to prevent the RC, the mounting base 2, the contact bodies 4a and 4b, and the moving mechanism 5 from contacting each other. Thereby, the repair tool can be smoothly moved to the rail fastening device RC that requires repair.

  The present invention is not limited to the above embodiment.

  For example, in the above-described embodiment, the mounting base body 21 (the mounting base 2) is fixed by sandwiching the head portion Ra of the rail R between the contact bodies 4a and 4b that are paired at two front and rear positions. As shown in FIG. 5, the abutment bodies 4a and 4b are provided between the mounting base 2 and the sleepers RT or the ground, and the contact bodies 4a and 4b are slightly separated from the head Ra (only the contact bodies 4a and 4b). In this state, the mounting base body 21 (mounting base 2) is inclined with respect to the rail R by stretching the sleeper RT or the ground, and the mounting base main body 21 (mounting base 2) is fixed to the rail R. An inclination fixing mechanism 6 may be provided.

  Specifically, the tilt fixing mechanism 6 includes a tension member 61 that extends from the rotating member 22 of the mounting base 2 to the ground or the sleeper RT, and that can move forward and backward with respect to the rotating member 22 on the ground (sleeper RT). Has been. Thus, by providing the tension member 61 on the rotating member 22, the position of the tension member 61 can be changed in the circumferential direction. A screw feed mechanism using a trapezoidal screw is formed between the tension member 61 and the rotation member 22, and is configured to be movable back and forth with respect to the rotation member 22 by rotating the tension member 61. In addition, you may comprise the tension member 61 so that expansion-contraction is possible. In addition, a movable grounding portion 611 is provided at the lower end portion of the tension member 61 via a joint portion 612 such as a universal joint in order to absorb the inclination of the ground (sleepers RT).

  When the ground or sleeper RT is stretched by the tension member 61, the contact body 4a or 4b on the tension member 61 side comes into press contact with the lower surface of the head Ra, and the contact on the opposite side to the tension member 61. The upper surface of the body 4a or 4b is in press contact with the lower surface of the head Ra. Thereby, the mounting base 2 can be inclined with respect to the rail R, and the mounting base 2 can be fixed to the rail R. Note that FIG. 5 shows an example in which the tension member 61 is provided on the left and right outside of one of the pair of contact bodies 4a and 4b, but the contact bodies 4a and 4b provided at two front and rear positions are shown. You may provide the tension member 61 in the front-back outer side rather than one side. Further, the tension member 61 may be provided on the mounting base body 21.

  According to such an inclination fixing mechanism 6, the inclination angle of the mounting base 2 with respect to the rail R can be adjusted by the inclination fixing mechanism 6 regardless of the standing direction and the longitudinal direction of the rail R. When the direction and the extending direction of the fastening bolt RC2 in the rail fastening device RC are different, the direction of the repair tool can be matched with the direction along the extending direction of the fastening bolt RC2.

  Moreover, in the said embodiment, although the contact bodies 4a and 4b of two places were provided in the front and back, the contact bodies 4a and 4b which have predetermined length in a longitudinal direction were provided in one place, Alternatively, the contact bodies 4a and 4b may be provided at three or more places in the front and rear.

  Further, in the above-described embodiment, the contact bodies 4a and 4b that are paired by the single rotation screw member 51 are configured to be expanded and contracted. However, each of the contact bodies 4a and 4b is provided with a rotation screw member. The contact bodies 4a and 4b may be individually movable.

  In addition, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 100 ... Repair tool mounting apparatus R ... Rail Ra ... Head RT ... Sleeper RC ... Rail fastening device 2 ... Mounting base 21 ... Mounting base body 22 ... Rotation Member 23 ... Mounting column 3 ... Rolling elements 4a, 4b ... Contact body 5 ... Moving mechanism P ... Fixing position Q ... Retraction position 6 ... Tilt fixing mechanism 61 ...・ Stretch members

Claims (4)

A repair tool mounting device on which a repair tool for repairing a rail fastening device for fixing a railroad rail to a sleeper is mounted,
The mounting tool mounted on the one rail fixed to the sleeper by the rail fastening device, the repair tool is attached,
A rolling element that is rotatably provided on the lower surface of the mounting base and rolls on the upper surface of the head of the one rail;
A pair of contact bodies provided on the left and right sides of the head of the one rail in the mounting table;
A fixing position for pressing the abutment body against the head to fix the mounting base to the one rail, and a position where the abutment body is separated from the head to move the mounting base against the one rail. A repair tool mounting apparatus comprising: a moving mechanism that moves the abutting body between retracted positions that allow travel.   The repair tool mounting device according to claim 1, wherein each of the contact bodies has a substantially U-shape that presses and contacts an upper surface and a lower surface of the head at the fixed position.   The mounting base is provided between the mounting base and the sleeper or the ground, and the abutment body is slightly separated from the head, and the one of the mounting bases is stretched by stretching the sleeper or the ground. The repair tool mounting apparatus according to claim 1, further comprising an inclination fixing mechanism that is inclined with respect to a rail and fixes the mounting base to the rail. The mounting table is
A mounting base body provided with the rolling element, the contact body and the moving mechanism;
A rotating member rotatably provided on the upper surface of the mounting base body;
A mounting post that is detachably provided on the rotating member and to which the repair tool is mounted;
The repair tool mounting device according to any one of claims 1 to 3, wherein the mounting position of the mounting column can be changed with respect to the rotating member.