JP2006015950A - Trolley wire ordinary temperature pressure welding device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a trolley wire ordinary temperature pressure welding device capable of smoothly carrying out relative movement between a trolley line and a pressure welding device reasonably for the related equipment at the time of carrying out pressure welding work a plurality of times. <P>SOLUTION: A movable member 4 is provided on a frame 3 so as to linearly move in the horizontal direction and a body 5 is provided on the movable member. The body 5 comprises a fixed block 7 fixed to the movable member 4 and a movable block 8 provided on the movable member 4 so as to freely move. The fixed block 7 has a chuck 14 capable of holding or releasing an end part of a trolley line T1. The movable block 8 comprising a chuck 15 capable of holding or releasing an end part of a trolley line T2 is moved by a driving means 9 between a compression position close to the fixed block 7 and a separation position away from the fixed block. A twisting/cutting device 16 twists and cuts each end part of the trolley lines T1, T2 before the first compression operation for processing a connection end face. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a trolley wire room temperature pressure welding apparatus for abutting the ends of two trolley wires and joining them together at a high pressure in the axial direction so that they are fused and integrated at room temperature.

As a conventional trolley wire room-temperature pressure welding apparatus, for example, one described in Patent Document 1 is known. This device is provided on the lifting platform of a work vehicle that can run on rails so that the main body of the pressure welding machine can be moved up and down, left and right, and back and forth with a hydraulic ram. Gripping equipment that grips the connection portion to make the connection portion free from tension, and a pressure contact end face processing device as a separate tool. The main body of the pressure welding machine includes a pair of left and right chucks for pressing and integrating the ends of the trolley wires by gripping the end portions of the trolley wires that are abutted and approaching each other. Prior to the connecting operation, the end of the trolley wire gripped by the left and right chucks is twisted to form a pair of end surfaces to be pressed into a twisted section. A device for that purpose is a pressure contact end surface processing device. This equipment is two separate equipments, a grooving tool that forms a circumferential groove at the pressure contact position of the end of the trolley wire, and a cutting tool that twists this end at the position of the groove, both of which are manual It is a tool.
In Patent Document 2, a moving caster is provided in the lifting device, and a pressure welding machine is provided on the lifting device, so that the entire device can be moved by a caster as required without using a driving device such as a hydraulic device. It is something that can be done.
In any of the above-mentioned devices, when one trolley wire is fixed and the other trolley wire is connected to the tension balancer, the relative movement between the trolley wire and the pressure welding device is performed when performing multiple pressure welding operations. There is a problem that it is not possible to smoothly perform related operations on related equipment. Further, since both the grooving tool and the cutting tool are individual manual tools, there are some cases where safety is not achieved manually, and there is a problem that each requires a work man-hour.
Japanese Patent Publication No.53-4962 JP-A-11-170894

  The present invention can smoothly move the trolley wire and the pressure welding device relative to each other without difficulty when performing multiple times of pressure welding work, and automatically with a single device regardless of human power. In addition, an object of the present invention is to provide a trolley wire room temperature pressure welding apparatus capable of performing a twisting operation on the end portion of the trolley wire.

In the present invention, in order to solve the above-described problem, a movable member 4 provided on the gantry 3 so as to be linearly movable in the horizontal direction, a fixed block 7 fixed on the movable member 4, and the movable member 4 The pressure welding apparatus 1 is configured by including a movable block 8 that is movable in the same direction as the movable member 4. The fixed block 7 is provided with a chuck 14 that can grip and release one end portion of the two trolley wires T1 and T2 whose end portions are abutted with each other. The moving block 8 is provided with a chuck 15 that can be moved by a driving means 9 between a compression position approaching the fixed block 7 and a separated position away from the fixed block 7 and that can grip and release the other end of the trolley wire. Let Then, with the fixed block 7 and the moving block 8 that are spaced apart from each other, the end of the trolley wires T1 and T2 is connected to the tip of each trolley wire T1 and T2 with the first compression margin formed. Each of the chucks 14 and 15 grips, and then the moving block 8 moves to the compression position to compress and connect the ends of the trolley wires T1 and T2, and then the chuck 15 of the moving block 8 releases the end of the trolley wire T2. Then, the moving block 8 moves to the separation position, and then the chuck 15 of the moving block 8 grips the end of the trolley wire T2 again, so that the second time between the tip of one trolley wire T2 and the moving block 7 is performed. A compression margin is formed, and then the chuck 14 of the fixed block 8 releases the end of the trolley wire T1, and then the moving block 8 moves to the separation position, thereby moving the movable member 4 relative to the gantry 3. The chuck 14 of the fixed block 7 grips the end of the trolley wire T1 again to form a second compression margin between the tip of the other trolley wire T1 and the fixed block 7, and then the moving block 8 is in the compressed position. The fixed block 7, the moving block 8, and the moving means 9 are controlled so that the ends of the trolley wires T1 and T2 are compressed and connected again.
Moreover, in the said pressure welding apparatus 1, the apparatus 16 which twists each edge part of trolley wire T1, T2 is further provided. Prior to the first compression operation, the twisting device 16 moves with the fixed block 7 in the mutually separated position in a state where the ends of the trolley wires T1 and T2 are gripped by the chucks 14 and 15 leaving the compression allowance. Each end portion of the trolley wires T1 and T2 is twisted by being interposed between the blocks 8. The twisting device 16 includes a rod 17, an expansion / contraction driving unit 19, a head 18, and a head driving unit 23. The rod 17 is pivotally supported by the gantry 3 at the lower end, and can be expanded and contracted in the axial direction by an expansion / contraction driving means 19 such as hydraulic pressure. The head 18 is pivotally supported at the tip of the rod 17 and is interposed between the fixed block 7 and the moving block 8, and the head driving means 23 grips and releases the ends of the trolley wires T1 and T2 to be twisted. I can do it. The head 18 has a pair of groove cutting blades 25 that form annular grooves of a predetermined depth on the outer circumferences of both ends of the gripping portion trolley wire in the trolley wire gripping state, and a trolley wire T1 positioned between the groove cutting blades 25. , And a gripping member 26 that meshes with the V groove of T2. With the head 18 gripping the ends of the trolley wires T1 and T2, the rod 17 is expanded and contracted to rotate the head 18 around the trolley wires T1 and T2, and the gripping trolley wires T1 and T2 The ends were torn off.

In the present invention, the movable member 4 is provided on the gantry 3 so as to be linearly movable in the horizontal direction, and the fixed block 7 and the movable block 8 are provided on the movable member 4. The relative movement between the trolley wires T1 and T2 and the pressure welding apparatus 1 can be smoothly performed without difficulty in related facilities.
When the twisting device 16 having the rod 17, the rod expansion / contraction driving means 19, the head 18, and the head driving means 23 is further provided, the end of the trolley wire is automatically and safely operated by a single device regardless of human power. Can be cut.

  Embodiments of the present invention will be described with reference to the drawings. 1 to 3, the trolley wire room temperature pressure welding apparatus 1 is mounted on a work vehicle C that can travel along a rail. The pressure welding apparatus 1 includes a lower frame 2 placed on a work vehicle C, an upper frame 3 provided on the lower frame 2 so as to be movable up and down, and a movable member 4 provided on the upper frame 3 so as to be linearly movable in a straight line. The main body 5 provided on the movable member 4 is provided. The upper frame 3 can be moved up and down together with the main body 5 by a hydraulic device 6. The movable member 4 is provided to be linearly movable with respect to the upper frame 3 via the linear guide 4a. The movable member 4, that is, the main body 5 is urged by a spring (not shown) so as to always return to the original position with respect to the upper frame 3.

  The main body 5 includes a fixed block 7, a moving block 8, and a hydraulic cylinder 9. The fixed block 7 and the hydraulic cylinder 9 are fixed on the movable member 4 and are connected to each other by a tie rod 10. The tie rod 10 penetrates the ram 11 slidably. The moving block 8 is slidably supported on the tie rod 10, and is movable between a compressed position approaching the fixed block 7 and a separated position away from the fixed block 7. The moving block 8 is moved between the compression position and the separation position by the ram 11 of the hydraulic cylinder 9.

  The fixed block 7 and the moving block 8 have trolley wire receiving portions 12 and 13 opened upward at opposing positions, respectively, and chucks 14 and 15 inside thereof. The chucks 14 and 15 firmly hold the trolley wire T by hydraulic pressure. As shown in FIG. 3, for example, the end of the fixed side trolley wire T1 is gripped on the fixed block 7 side, the movable side trolley wire T2 connected to the tension balancer is gripped on the moving block 8 side, and the trolley wire between them The end faces of T1 and T2 are made to face each other. If the moving block 8 moves to the compression position while compressing the end portions of the trolley wires T1 and T2 in this state, the trolley wires T1 and T2 are fused and integrated. This pressure contact operation is repeated several times to obtain a strong connection.

  Prior to the first press-contact operation, the joint surfaces of the trolley wires T1 and T2 are processed into a twisted cross section that is convenient for connection. A device 16 for twisting the end of the trolley wire T gripped by the fixed block 7 and the moving block 8 between the blocks 7 and 8 is supported on the lifting platform 3. The twisting device 16 includes a rod 17 that is pivotally supported by the gantry 3 at the lower end and can be expanded and contracted in the axial direction, and a head 18 that is pivotally supported at the tip of the rod 17. When the head 18 is raised, the head 18 can be interposed between the fixed block 7 and the moving block 8. The rod 17 includes a hydraulic cylinder 19 pivotally supported at the lower end of the gantry 3 at the lower end and a piston rod 20 of the hydraulic cylinder 19.

  The head 18 includes a pair of upper and lower jaw portions 21 and 22 pivotally supported in the middle, an opening / closing hydraulic cylinder 23 interposed on the other end side to open and close one end side of the pair of jaw portions, The arm 24 extends from the lower jaw 22 and is pivotally supported by the tip of the piston rod 20 at the tip. The upper and lower jaw portions 21 and 22 are provided with a groove cutting blade 25 and a gripping member 26 at positions facing vertically. Gripping blade 25 between upper and lower jaw parts 21 and 22 and gripping member 26 grip trolley lines T1 and T2 to be twisted, and piston rod 20 is expanded and contracted to move the upper and lower jaw parts around the gripped trolley line T. Rotate forward and backward to twist the trolley wire T. As a result, as shown in FIG. 3A, the trolley wires T1 and T2 are left uncut so as to protrude from the fixed block 7 and the moving block 8 by a predetermined dimension.

  The first pressure contact operation is performed from this state. That is, from the state shown in FIG. 3A, the moving block 8 is moved to the compression position (left row) as shown in FIG. 3B, and the trolley wires T1 and T2 are pressed. This completes the connection, but for safety, when two or three press-contacts are performed, the chuck 15 is then opened and the moving block 8 is moved to the separation position (rightward) to tighten the chuck 15. (FIG. 3C), thereby securing a compression allowance on the trolley wire T2 side. Next, when the chuck 14 of the fixed block 7 is opened and the moving block 8 is moved to the separation position (right row), the trolley wire T1 is fixed and cannot be pulled out, so the compressor body 5 moves together with the moving base (left row). ) To secure a compression allowance on the trolley line T1 side (FIG. 3C). In this state, the chuck 14 is tightened (FIG. 3C), the moving block 8 is again moved to the compression position (left row), and the trolley wires T1 and T2 are pressed. This pressure contact operation is repeated as many times as necessary to complete the connection. The burr formed in the connecting portion is removed, and a protector bracket for reinforcement is attached here as necessary. The protector bracket is a small and lightweight bracket that bonds and fixes a pair of ear pieces gripped across the pressure contact portions of the trolley wires T1 and T2 with rivets.

  The present invention can be applied to a trolley wire room temperature pressure welding apparatus for joining the ends of two trolley wires and joining them together at a high pressure in the axial direction so as to be fused and integrated at room temperature.

It is a front view of a trolley wire room temperature pressure welding apparatus. It is a side view of a trolley wire room temperature pressure welding apparatus. It is explanatory drawing which shows the process of a press-contact operation | work. It is a side view which shows operation | movement of a cutting device in order. It is a side view which shows operation | movement of a cutting device in order. It is a side view which shows operation | movement of a cutting device in order. It is a side view which shows operation | movement of a cutting device in order. It is VIII-VIII sectional drawing in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Trolley wire normal temperature pressure welding apparatus 2 Lower frame 3 Upper frame 4 Movable member 4a Linear guide 5 Pressure welding apparatus frame main body 6 Hydraulic device 7 Fixed block 8 Moving block 9 Hydraulic cylinder 10 Tie rod 11 Ram 12 Trolley wire receiving part 13 Trolley wire receiving part 14 Chuck 15 Chuck 16 Twisting device 17 Rod 18 Head 19 Hydraulic cylinder 20 Piston rod 21 Upper jaw 22 Lower jaw 23 Opening / closing hydraulic cylinder 24 Arm 25 Grooving blade 26 Grip members T1, T2 Trolley wire

Claims (5)

  A movable member provided on the gantry so as to be linearly movable in a horizontal direction, and one end of two trolley wires fixed on the movable member and abutted with each other can be grasped and released. A fixed block provided with a chuck, and a chuck provided on the movable member so as to be movable in the same direction as the movable member and capable of gripping and releasing another end of the trolley wire, approaching the fixed block A trolley wire room temperature pressure welding apparatus comprising: a moving block movable between a compressed position and a separated separating position; and a driving means for driving the moving block.   The trolley wire room temperature pressure welding apparatus according to claim 1, wherein the movable member is provided on the gantry so as to be linearly movable via a linear guide. A fixed block having a chuck capable of gripping / releasing one end of two trolley wires whose ends are abutted with each other, and the other end of the trolley wire can be gripped / released A movable block that is movable along the axis of the trolley line between a compression position approaching the fixed block and a separated separation position, and a driving means for driving the movement block, and is separated from each other. The end of the trolley wire is compressed and connected by moving the moving block to the compression position from the state where the fixed block and the moving block in the position grip each end of the trolley wire with each chuck leaving a compression allowance. In the device
Before the first compressing operation, each end of the trolley wire is interposed between the fixed block and the moving block in the mutually separated positions in a state where the end portions of the trolley wire are held by the chucks leaving a compression margin. Further comprising a device for twisting the end,
This twisting device is pivotally supported at the lower end by a pedestal, and can be expanded and contracted in the axial direction, an expansion / contraction drive means for expanding and contracting the rod, and pivotally supported by the tip of the rod, and the fixed block and the movement A head capable of gripping and releasing each end of the trolley wire to be twisted interposed between the block and head driving means for gripping and releasing the head;
The head has a pair of grooving blades that form annular grooves with a predetermined depth on the outer periphery of both ends of the gripping part trolley wire in the trolley wire gripping state, and a V-groove of the trolley wire that is positioned between the groove cutting blades. A gripping member that meshes,
The rod is expanded and contracted in a state where each end portion of the trolley wire is gripped by the head, whereby the head is rotated around the trolley wire, and the grip portion of the trolley wire is twisted. Trolley wire room temperature pressure welding equipment. A movable member provided on the gantry so as to be linearly movable in a horizontal direction, and one end of two trolley wires fixed on the movable member and abutted with each other can be grasped and released. A fixed block provided with a chuck, and a chuck provided on the movable member so as to be movable in the same direction as the movable member and capable of gripping and releasing another end of the trolley wire, approaching the fixed block A movable block movable between the compressed position and the separated spaced position, and driving means for driving the movable block, wherein the fixed block and the movable block at the mutually separated positions are each end of the trolley wire. In the apparatus for compressing and connecting the end of the trolley wire by moving the moving block to the compression position from the state gripped by each chuck leaving the compression allowance,
Before the first compressing operation, each end of the trolley wire is interposed between the fixed block and the moving block in the mutually separated positions in a state where the end portions of the trolley wire are held by the chucks leaving a compression margin. Further comprising a device for twisting the end,
This twisting device is pivotally supported at the lower end by a pedestal, and can be expanded and contracted in the axial direction, an expansion / contraction drive means for expanding and contracting the rod, and pivotally supported by the tip of the rod, and the fixed block and the movement A head capable of gripping and releasing each end of the trolley wire to be twisted interposed between the block and head driving means for gripping and releasing the head;
The head has a pair of grooving blades that form annular grooves with a predetermined depth on the outer periphery of both ends of the gripping part trolley wire in the trolley wire gripping state, and a V-groove of the trolley wire that is positioned between the groove cutting blades. A gripping member that meshes,
The rod is expanded and contracted in a state where each end portion of the trolley wire is gripped by the head, whereby the head is rotated around the trolley wire, and the grip portion of the trolley wire is twisted. Trolley wire room temperature pressure welding equipment. The rod is composed of a hydraulic cylinder pivotally supported by a gantry at the lower end and a piston rod of the hydraulic cylinder,
The head includes a pair of upper and lower jaws pivotally supported in the middle, an opening / closing hydraulic cylinder interposed on the other end side to open and close one end side of the pair of jaws, and a lower jaw part. And an arm pivotally supported at the tip of the piston rod at the tip, and the grooving blade and a gripping member are provided on one end of the upper and lower jaws,
Gripping the trolley wire to be torsioned with a grooving blade between the upper and lower jaws and a gripping member, extending and retracting the piston rod, rotating the upper and lower jaws forward and backward around the gripping part of the trolley wire, The trolley wire room temperature pressure welding apparatus according to claim 3 or 4, wherein a grip portion of the trolley wire is twisted.

Images