JP2009096303A - Bending device of hanger for contact wire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hanger bending device having a simple structure which is miniaturized and suitable for the use at a site of a stringing construction at low cost. <P>SOLUTION: A metal wire W is held between a forming boss 6 and a holding member 7. By fitting a fitting part of an arm 3 to a drive shaft 9 and turning it, a first curved part and a second curved part are formed between a forming boss 5 and a forming roller 18. The metal wire W with the first and second curved parts formed thereon is held between the forming boss 5 and a second holding member 8, and by fitting the arm 3 to a drive shaft 10 and turning it, a third curved part is formed between the forming boss 6 and the forming roller 18. Next, by fitting the arm 3 to the drive shaft 9, and turning it, a fourth curved part is formed between the forming boss 5 and the forming roller 18. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an apparatus for bending a hanger for suspending a trolley wire under a suspension line on a train line.

2. Description of the Related Art Conventionally, as an apparatus for bending a train wire hanger, for example, one described in Patent Document 1 is known. This device is a device that bends a wire to form a hanging bracket (hanger) into a substantially oval shape, and bends both ends of the wire so that they intersect at different planes. The wire is fixed at a predetermined position on the base and the base. A plurality of pin types that replicate the shape, a wire guide plate that is provided near the front end of the base, the upper surface gradually increases toward the center of the base, and is fixed on the base before the pin type, Clamping means for clamping substantially the center of the wire to one of the pin molds, a pin having a proximal end pivotally supported in the vicinity of the clamping means and engaging with both ends of the wire, and a pin cooperating with the clamping means A pair of opposing arms that rotate so as to bend the wire around the mold, and drive means that rotate the movable arm are provided.
Japanese Utility Model Publication No. 50-60704

The conventional hanger bending apparatus has a relatively complicated structure and must be large, and is inconvenient for use on the site of overhead wire work.
Accordingly, an object of the invention according to this application is to provide a hanger bending apparatus that is relatively simple in structure, can be obtained at low cost, can be reduced in size, and is suitable for use on the site of overhead wire work.

  In order to solve the above-mentioned problem, the invention according to this application includes a main body 2 that holds the metal wire W, and the metal wire W is bent in cooperation with the main body 2 by being attached to the main body 2 and rotating. The bending apparatus 1 is configured by including the arm 3. The main body 2 includes a substrate 4 on which the metal wire W is mounted, a cylindrical first molded boss 5 and a second molded boss 6 projecting on the substrate 4, a first holding member 7 also serving as a guide member, and a second A holding member 8, a first drive shaft 9 and a second drive shaft 10 supported by the substrate 4, and a rotary actuator 11 supported by the substrate 4 so as to rotate the drive shafts 9 and 10 are provided. In order to form the first curved portion 24, the second curved portion 25, and the fourth curved portion 29 of the hanger 21, the first molded boss 5 protrudes on the substrate 4 so that the outer periphery is in contact with these curved portions. Established. The second molded boss 6 protrudes on the substrate 4 at a predetermined distance from the first molded boss 5 so that the outer periphery is in contact with the inside of the curved portion in order to form the third curved portion 27 of the hanger. Is done. The first holding member 7 protrudes on the substrate 4 so as to hold the metal wire W in a predetermined position with the second forming boss 6 when forming the first bending portion 24 and the second bending portion 25. Is done. The second holding member 8 protrudes on the substrate 4 so as to hold the metal wire W in a predetermined position with the first forming boss 5 when the third bending portion 27 and the fourth bending portion 29 are formed. Is done. The first drive shaft 9 is supported by the substrate 4 so as to be rotatable inside and concentrically with the first molding boss 5. The second drive shaft 10 is located inside the second molding boss 6 and is supported by the substrate 4 so as to be rotatable concentrically therewith. The arm 3 includes an arm base 17 and a forming roller 18. The arm base 17 has a fitting portion 17a on one end side that can be selectively fixed in the rotational direction to the first and second drive shafts 9 and 10 of the main body 2. The forming roller 18 is provided on the arm base 17 with a predetermined interval between the forming roller 17a and the arm base 17 by fitting the fitting part 17a to the first or second drive shaft 9 or 10. The first to fourth curved portions 24, 25, 27, 29 can be formed by sandwiching the metal wire W between the outer periphery of the first or second molded bosses 5, 6 when the It is arranged in parallel with the first or second molding boss 5, 6.

  According to the invention relating to this application, it is possible to provide a hanger bending apparatus that has a relatively simple structure, can be obtained at low cost, can be reduced in size, and is suitable for use on the site of overhead wire work.

  Embodiments of the present invention will be described with reference to the drawings. 1 is a plan view of the bending apparatus, FIG. 2 is a front view of the bending apparatus, FIG. 3 is a side view of the bending apparatus, FIG. 4 is a sectional view taken along line IV-IV in FIG. FIG. 6 is a sectional view of the arm in a fitted state, FIGS. 7 to 12 are explanatory views showing the machining process, FIG. 13 is a front view and a side view showing the manual bending process of the tip, and FIG. 14 is before the manual bending process. It is a perspective view of a hanger and a hanger after manual bending.

  The hanger for a train line manufactured by the bending apparatus 1 of this embodiment has a shape shown in FIG. That is, the hanger 21 is formed by bending a straight metal wire, and has a straight portion 22 having a trolley wire gripping portion (not shown) at one end and a loop formed at the other end of the straight portion 22. Part 23. The loop portion 23 is first formed into a shape shown in FIG. 14A by bending the other end side of the linear portion 22 into a substantially elliptical shape and intersecting the end portion with a plane different from the base portion. That is, the loop portion 23 includes a first bending portion 24, a second bending portion 25, a first side line portion 26, a third bending portion 27, a second side line portion 28, and a fourth bending that are sequentially continued from the other end of the linear portion 22. A portion 29 and a crossing straight portion 30 are provided. Thereafter, the intersecting straight line portion 30 is bent so as to wind the straight line portion 22, thereby forming the winding portion 31, and the final shape shown in FIG. 14B is completed.

  As shown in FIGS. 1 to 4, the bending apparatus 1 bends a metal wire in cooperation with the main body 2 by attaching the main body 2 holding the metal wire and rotating the main body 2 to rotate. Arm 3 (FIGS. 5 to 7).

  The main body 2 includes a substrate 4 on which the metal wire W is mounted, a cylindrical first molded boss 5, a second molded boss 6, a first holding member 7, a second holding member 8, and a substrate that protrude from the substrate 4. 4 includes a first drive shaft 9 and a second drive shaft 10 supported by 4, and a rotary actuator 11 supported by the substrate 4 so as to rotate these drive shafts.

  The first molding boss 5 is for forming the first bending portion 24, the second bending portion 25, and the fourth bending portion 29 of the hanger 21, and the outer periphery is in contact with the inside of the bending portions 24, 25, 29. Projecting on the substrate 4. The second molded boss 6 is for forming the third curved portion 27 of the hanger 21, and the substrate 4 is spaced a predetermined distance from the first molded boss 5 so that the outer periphery contacts the inner side of the curved portion 27. Projected above.

  When the first holding member 7 forms the first bending portion 24 and the second bending portion 25, the substrate 4 is configured to hold the metal wire W in a predetermined position between the side surface 7 a and the second forming boss 6. Projected above. Further, the upper surface 7 b of the first holding member 7 is inclined and serves as a guide surface that guides the bending direction when the intersecting straight line portion 30 of the hanger 21 is formed.

  The second holding member 8 holds the metal wire W in a predetermined position with the first forming boss 5 when forming the first to fourth curved portions 24, 25, 27, 29 of the hanger 21. Projecting on the substrate 4. That is, the second holding member 8 contacts the metal wire W and forms the metal wire between the first forming boss 5 when forming the first and second curved portions 24 and 25 of the hanger 21 (FIG. 8). When forming the flat side surface 8a that holds W in a predetermined position and the third and fourth curved portions 27 and 29 of the hanger 21 (FIGS. 9 to 13), the first forming boss 5 comes into contact with the metal wire W. And a curved side surface 8b for holding the metal wire W in a predetermined position.

  The first drive shaft 9 is supported on the inner side of the first molding boss 5 so as to be rotatable concentrically with the first boss 5, the upper end protruding upward is a hexagon, and a gear 12 is provided below the base 4. . The second drive shaft 10 is located on the inner side of the second molding boss 6 and is supported by the substrate 4 so as to be rotatable concentrically therewith, and the upper end protruding upward is a hexagon. 13 The gears 12 and 13 mesh with drive gears 14 and 15 fixed to the output shaft 11 a of the rotary actuator 11. Therefore, the drive shafts 9 and 10 are simultaneously rotated in the same direction.

  One end of a stopper 16 is fixed to the substrate 4. The stopper 16 is for contacting and positioning one end of the metal wire W when the first bending portion 24 and the second bending portion 25 are formed.

  As shown in FIGS. 5 to 6, the arm 3 includes an arm base 17 and a forming roller 18. The arm base body 17 has a fitting portion 17a formed of a hexagonal hole that can be selectively fixed in the rotational direction to the first and second drive shafts 9 and 10 of the main body 1 on one end side. The forming roller 18 is provided so as to project at a right angle on the arm base 17 with a predetermined interval between the forming roller 18 and the fitting portion 17a. When the fitting portion 17a is fitted to the first or second drive shaft 9, 10 and the arm base 17 is rotated, the molding roller 18 and the outer circumference of the first or second molding boss 5, 6 are interposed. The metal wires W are arranged in parallel with the first or second molded bosses 5 and 6 so that the first to fourth curved portions 24, 25, 27 and 29 can be formed.

  Reference numeral 19 denotes a winding jig, and as shown in FIG. 13, the loop portion 23 formed on the metal wire W can be held so that the tip side of the intersecting straight portion 30 protrudes sideways. The leading end of the handle 20 is fitted to the tip of the intersecting straight line portion 30 protruding from the winding jig 19, and the winding portion 31 is formed by bending the intersecting straight line portion 30 manually.

  Next, with reference to FIG. 7 thru | or FIG. 13, the bending process of the hanger 21 using the bending apparatus 1 is demonstrated. First, as shown in FIG. 7, the linear metal wire W is held between the second forming boss 6 and the first holding member 7, and one end is brought into contact with the stopper 16. A trolley wire gripping member (not shown) is fixed to the other end side. The fitting portion 17a of the arm 3 is fitted to the first drive shaft 9, the rotary actuator 11 is activated, and the arm 3 is rotated clockwise by a predetermined angle. Thereby, as shown in FIG. 8, the 1st curved part 24 and the 2nd curved part 25 are formed between the 1st shaping | molding boss | hub 5 and the shaping | molding roller 18. As shown in FIG.

  Next, the metal wire W in which the curved portions 24 and 25 are formed is removed from the apparatus, and as shown in FIG. 9, the front and back are reversed, and the space between the first molding boss 5 and the side surface 8b of the second holding member 8 is reversed. In addition to holding the curved portion 25, the arm 3 is moved from the first drive shaft 9 to the second drive shaft 10 to be fitted, and the metal wire W is sandwiched between the forming roller 18 and the second forming boss 6, As shown in FIG. 10, the arm 3 is rotated approximately 180 ° clockwise. Thereby, the 1st side line part 26 and the 3rd bending part 27 are formed. Before the arm 3 rotates 180 °, the metal wire W rides on the inclined guide surface 7b of the holding member 7 and is bent so that the tip side rises obliquely from the substrate 4.

  Next, as shown in FIG. 11, the arm 3 is moved from the second drive shaft 10 to the first drive shaft 9 and fitted, and the metal wire W is sandwiched between the forming roller 18 and the first forming boss 5. As shown in FIG. 12, the arm 3 is rotated clockwise by a predetermined angle. Thus, the second side line portion 28 and the fourth bending portion 29 are formed, and the intersecting straight line portion 30 that intersects with the bending portion 24 on a different surface is formed.

  Next, the metal wire W processed so far is removed from the apparatus and attached to the winding jig 19 as shown in FIG. The loop portion 23 is sandwiched between the jigs 19 and fixed so as not to rotate around the axis of the linear portion 22. In this state, the front end of the handle 20 is fitted to the front end of the crossing straight part 30 protruding from the jig 19 and is bent manually so as to be wound on the straight part 22, thereby forming a winding part 31. The final shape shown in 14 (b) is completed.

  The present invention is applied as an apparatus for bending a hanger for a train line used in an overhead line construction of a train line.

It is a top view of a bending apparatus. It is a front view of a bending apparatus. It is a side view of a bending apparatus. It is IV-IV sectional drawing in FIG. It is a perspective view of an arm. It is sectional drawing of the fitting state of an arm. It is explanatory drawing which shows a process process. It is explanatory drawing which shows a process process. It is explanatory drawing which shows a process process. It is explanatory drawing which shows a process process. It is explanatory drawing which shows a process process. It is explanatory drawing which shows a process process. It is the front view and side view which show the manual bending process of a hanger front-end | tip part. It is a perspective view of the hanger before a manual bending process, and the hanger after a manual bending process.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bending apparatus 2 Main body 3 Arm 4 Board | substrate 5 1st shaping | molding boss 6 2nd shaping | molding boss 7 1st holding member 7a Side surface 7b Slope 8 Second holding member 8a Side surface 8b Side surface 9 1st drive shaft 10 2nd drive shaft 11 Rotary Actuator 11a Output shaft 12 Gear 13 Gear 14 Drive gear 15 Drive gear 16 Stopper 17 Arm base 17a Fitting portion 18 Forming roller 19 Entraining jig 20 Handle 21 Hanger 22 Linear portion 23 Loop portion 24 First bending portion 25 Second bending portion 26 1st side line part 27 3rd bending part 28 2nd side line part 29 4th bending part 30 Crossing straight part 31 Entrainment part W Metal wire

Claims (4)

A straight metal wire is bent, and a straight part having a trolley wire gripping part at one end and the other end side of this straight part is bent into an almost elliptical shape, and the end and the base are crossed at different surfaces. A loop portion formed, and the loop portion is sequentially continuous from the other end of the linear portion, the first bending portion, the second bending portion, the first side line portion, the third bending portion, and the second side line. An apparatus for bending a hanger for a train wire comprising a section, a fourth bending section, and a crossing straight section,
A main body for holding the metal wire, and an arm for bending the metal wire in cooperation with the main body by attaching and rotating the main body,
The body includes a substrate for receiving a metal wire;
A cylindrical first molding boss projecting on the substrate so that the outer periphery is in contact with the inside of these curved portions in order to form the first curved portion, the second curved portion, and the fourth curved portion;
In order to form the third curved portion, a cylindrical second molded boss projecting on the substrate at a predetermined distance from the first molded boss so that the outer periphery contacts the inside of the curved portion. ,
A first holding member projecting on the substrate so as to hold the metal wire in a predetermined position between the second forming boss when forming the first bending portion and the second bending portion;
A second holding member projecting on the substrate so as to hold the metal wire in a predetermined position between the first forming boss when forming the third bending portion and the fourth bending portion;
A first drive shaft supported on the substrate so as to be rotatable concentrically with the inner side of the first molding boss;
A second drive shaft that is positioned inside the second molding boss and is concentrically rotatable and supported by the substrate;
A rotary actuator supported integrally with the substrate so as to rotate the first drive shaft and the second drive shaft forward and backward, and
In the step of forming the third curved portion, the guide member provided on the substrate for sliding up the second side line portion and inclining the second side line portion on the substrate,
The arm includes an arm base having a fitting portion on one end side that can be selectively fixed in the rotational direction to the first and second drive shafts of the body;
When the arm base is rotated with the fitting portion fitted on the first or second drive shaft, the first arm is provided on the arm base with a predetermined gap between the first base and the second driving shaft. A molding roller arranged in parallel with the first or second molding boss so that the first to fourth curved portions can be formed by sandwiching the metal wire between the outer circumference of the first or second molding boss,
By holding a linear metal wire between the second forming boss and the first holding member, by fitting the fitting portion to the first drive shaft and rotating the arm by a predetermined angle, The first curved portion and the second curved portion are formed between the first molded boss and the molding roller, and the first and second curved portions are formed between the first molded boss and the second holding member. A third curve between the second forming boss and the forming roller by holding the metal wire with the portion formed, fitting the fitting portion to the second drive shaft, and rotating the arm by a predetermined angle. A fourth bending portion is formed between the first forming boss and the forming roller by forming a portion and subsequently engaging the fitting portion with the first drive shaft and rotating the arm by a predetermined angle. A wire hanger bending apparatus characterized by comprising:   The apparatus for bending a wire hanger according to claim 1, wherein the first holding member is formed integrally with the guide member.   The said 2nd holding member is comprised so that the 1st and 2nd curved part formed in the metal wire may be hold | maintained between the outer periphery of the said 1st shaping | molding boss | hub. Bending device for train wire hanger as described in 1.   When holding a metal wire between the first holding member and the second forming boss so as to form the first bending portion and the second bending portion between the first forming boss and the forming roller. 4. The train wire hanger bending apparatus according to any one of claims 1 to 3, wherein the main body is provided with a stopper for abutting and positioning one end of the metal wire rod.

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