KR200245764Y1 - Dropper clamp for fixing an electric car line - Google Patents

Abstract

The present invention relates to a catenary dropper clamp, which includes a latch and a chuck, a fixing bolt, and a fixed drop head clamp of a known dropper clamp composed of a nut coupled to the fixing bolt at a predetermined height at one side of the latch and the chuck. The formed circular bolt insertion hole is formed in a square shape, and a rectangular fixed part of a predetermined length is formed at the bottom of the head of the fixing bolt so as to be inserted into the square bolt insertion hole and fixed. Since the fastening or dismantling of the dropper clamp for fixing the structure is possible by a worker alone, a reduction in working manpower and a work time input to the fastening and dismantling of the dropper clamp can be reduced, and a reduction in the work manpower and Cost savings and budgets due to shortening of working hours can be reduced. That has an excellent effect.

In addition, since the working time of fastening or dismantling the dropper clamp on the overhead line and the tank line is shortened, the train operation communication is smoothed, so citizens who use the tram can use the tram that fits the dispatch time without waiting for the tram. There is also an excellent effect of improving customer service.

Description

Dropper clamp for fixing an electric car line}

The present invention relates to a catenary dropper clamp, and more particularly, a clamp and a chuck each having a circular bolt insertion hole formed on both sides of the U-shape, and inserted into a bolt insertion hole of the latch and the chuck to fix the chuck inside the latch. In the known dropper clamp consisting of a fixing bolt and a nut coupled to the fixing bolt, the circular bolt insertion hole formed at a certain height on one side of the clamp and the chuck in which the fixing bolt head is located is formed in a rectangle, and the square bolt is inserted. Consists of forming a fixed length square fixed portion at the bottom of the head of the fixing bolt to be fixed to the ball, it is possible to fasten or dismantle the dropper clamp to fix the tramline horizontally to the head line As it is structure, the dropper clamp As soon as one of the fastening and reduction and the shortening of work time, work force input into the disassembly work at the same time, to achieve a cost reduction and a reduction of the budget and the work time of the work force catenary relates to a dropper clamps.

In general, the tram line that supplies electricity to the tram is installed to maintain the horizontal constant height by using a dropper clamp on the joule connected to the pole, this type is called the Simple Catenary Type (Simple Catenary Type), As shown in FIG. 4, the dropper clamp 100 which maintains the tramline at a constant height on the overhead line is circular bolt insertion holes 12, 12a, 22, and 22a at a constant height on both sides of the c-shape. Each of the braces 10 and chucks 20 formed therein, a fixing bolt 30 for inserting and fixing the chucks 20 inside the braces 10, and both end bent portions 23 of the chucks 20. (23a) is composed of a nut (40) which is spirally coupled to the fixing bolt 30 to be fixed to the groove formed in the upper portion of the tram line.

The dropper clamp 100 configured as described above has circular bolt insertion holes 12 and 12a formed at both side surfaces of the clasp 10 and the clasp 20 such that the clasp 20 is fixed to the inside of the clasp 10. After the fixing bolt 30 is inserted into the latch 22, the latch 10 fixed to the inside of the latch 10 can be fixed by biting the upper groove of the vehicle line. The nut 40 is helically coupled to the fixing bolt 30 inserted into the bolt insertion holes 12, 12a, and 22a of the bolt insertion hole of the 20 to fix the upper end of the catenary to the dropper clamp 100. Then, the dropper clamp 100 fixed to the chariot line and the dropper clamp 100 fixed to the jaw wire are connected to each other by a dropper wire 101 having a certain length while being formed in an annular shape at both ends. As shown in the figure, it is possible to maintain the tram line at a constant height horizontally from the clam line. All.

In order to fix the jaw wire and the catenary wire with the dropper clamp 100, the two side bolt insertion holes 12, 12a, 22, 22a of the latch 10 and the chuck 20 are inserted as described above. The nut 40 must be screwed to the penetrated fixing bolt 30. At this time, bolt insertion holes 12, 12a, 22 and 22a formed on both sides of the latch 10 and the chuck 20 are formed. It is formed in a circular shape without a fixed point, the fixing bolt 30 is also formed in a circular shape of the entire length, the rotation of the nut 40 when the fixing bolt 30 and the nut 40 is spirally coupled According to the fixing bolt 30 is rotated in the bolt insertion holes 12, 12a, 22, 22a of the clamp 10 and the chuck 20, because the screw is not made, the fixing Hold the head of the bolt 30 by using a tool for preventing the rotation of the bolt 30, and also rotate the nut 40 by using a tool By doing so, there is a troublesome problem such that the nut 40 is completely screwed to the fixing bolt 30, and in particular, as described above, the screw coupling of the fixing bolt 30 and the nut 40 of the dropper clamp 100 is performed. When the clasp 10 is not fixed to the chuck 20 in a vertical state, but fixed to a predetermined angle to the left or the right, there is a problem in that it is necessary to fasten it again.

In addition, in order to install the dropper clamp 100 between the tram line and the barbed wire, the time required for the work is lengthened due to the cumbersome installation work as described above, and the installation work of the dropper clamp 100 is always 2 persons. There is a problem that can not utilize efficient manpower management due to the need of a set of workforce, there was also a big problem that the work cost and budget increase.

In addition, as described above, the train operation communication is not smooth and delayed due to a long time when the dropper clamp 100 is installed between the jaw wire and the tram line, thereby increasing the inconvenience of citizens using the tram.

The present invention devised to solve the conventional problems as described above, because the fastening or disassembly of the dropper clamp for fixing the tramline horizontally to the jaw wire is made possible by the worker alone, the fastening and dismantling of the dropper clamp The purpose of the present invention is to reduce the cost of workforce and reduce the work time, and to reduce the cost and budget of the workforce.

In addition, by reducing the working time of the fastening or dismantling of the dropper clamp to the overhead line and the tram line, there is another purpose to facilitate the train operation communication so that citizens using the tram can use the train according to the dispatch time without waiting.

The purpose of the present invention is a circular bolt insertion hole formed at a certain height of the latch and the chuck one side of the fixing bolt head of the known dropper clamp consisting of a clamp and a chuck, a fixing bolt, and a nut coupled to the fixing bolt. It can be achieved by the dropper clamp of the present invention in the form of a square, the present invention in which a square-shaped fixed portion of a predetermined length is formed at the bottom of the fixing bolt head to be inserted into the square bolt insertion hole and fixed, It will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of the drop line clamp of the tram line of the present invention.

2 is a state in which the dropper clamp of the present invention is mounted in the upper groove of the tank line.

3 is a state in which the dropper clamp is mounted between the clam wire and the catenary wire.

4 is an exploded perspective view of a conventional tramway dropper clamp;

5 is a state in which a conventional dropper clamp is mounted between a barbed wire and a catenary wire.

Explanation of symbols used in the main part of the drawing

1. Dropper clamp 10. Clamp 11. Square bolt insertion hole

12, 12a. Round bolt inserter 20. Chuck 21. Square bolt inserter

22, 22a. Round bolt inserter 23, 23a. Bends 30. Fixing Bolts

31. Retainer 40. Nut 50. Recess 60, 60a Tie

Figure 1 shows an exploded perspective view of the dropper clamp in the tram line of the present invention.

The catenary dropper clamp of the present invention has a clamp 10 and a chuck 20 formed with circular bolt insertion holes 12, 12a, and 22a at a predetermined height on both sides of the U-shape, and the latch ( 10) the fixing bolt 30 to allow the chuck 20 to be inserted into the inside and the bent portions 23 and 23a of both ends of the chuck 20 to be fixed to the groove formed in the upper portion of the tank line. In the tramway dropper clamp consisting of a nut 40 is spirally coupled to the fixing bolt 30;

Circular bolt insertion holes 12 and 22 formed at a predetermined height of one side of the clasp 10 and the staple 20 where the head of the fixing bolt 30 penetrates the clasp 10 and the staple 20. Instead of the square bolt insertion hole (11) (21) is formed, the fixing bolt 30 in the square bolt insertion hole (11) (21) formed on one side of the latch (10) and the chuck (20) A rectangular fixing part 31 having the same shape as that of the square bolt insertion holes 11 and 21 is formed at the bottom of the fixing bolt 30 so as to be inserted and fixed.

Reference numeral 50 is a concave portion, and 60 and 60a are binding portions.

Hereinafter, the structure of the tramway dropper clamp 1 of the present invention will be described in detail.

The catch 10, which is a component of the catenary dropper clamp 1 of the present invention, is formed in the same shape as the catch 10 of the components of the catenary dropper clamp whose overall shape is known. A concave portion 50 having a bending radius of a predetermined size and the overall shape is formed in a U shape, and concave inwardly by a curvature radius of a predetermined size on the outer surface of a predetermined height on both sides from the top of the C shape. Is formed, the both ends of the concave portion 50, the circular binding portion (60, 60a) is formed, respectively. In addition, a rectangular bolt insertion hole 11 is formed at the center of one binding unit 60 among the binding units 60 and 60a, and a circular bolt insertion hole 12a is formed at the center of the other binding unit 60a. It is a structure that is formed.

The chuck 20 inserted into the brace 10 has a curvature radius of a predetermined size in the same manner as the brace 10, while the overall shape is formed in a quadrangular c-shape, and both side ends are A bent portion 23 (23a) is bent inwardly by a predetermined angle is formed, and a rectangular bolt insertion hole formed at one side coupling portion 60 of the latch 10 at a predetermined height of the upper end of the bent portion 23 on one side. A square bolt insertion hole 21 having the same shape as that of (11) is formed, and a circular bolt insertion formed at the other binding portion 60a of the latch 10 at a predetermined height of the upper end of the bent portion 23a on the other side. The circular bolt insertion hole 22a of the same shape corresponding to the ball 12a is formed.

Fixing bolts 30 which are helically coupled by nuts 40 to fix the vehicle lines by the chucks 20 while fixing the chucks 10 and the chucks 20 inserted inside the braces 10. ) Is a rectangular bolt insertion hole 11, 21 formed on one side of the clasp 10 and the chuck 20 inserted into the clasp 10 and a circular bolt insertion hole 12a formed on the other side ( 22a) is coincided with each other, and then the fixing bolt 30 is inserted therethrough, and then the fixing bolt 30 is formed on one side surface of the latch 10 and the chuck 20 when the screw is screwed together using the nut 40. In order to be fixed in the square bolt insertion hole (11) (21), without rotating in the square bolt insertion hole (11) (21), the latch 10 at the bottom of the head of the conventional fixing bolt (30). And a rectangular fixing part having the same shape as the rectangular bolt insertion holes 11 and 21 formed on one side of the chuck 20. It is a structure in which (31) was formed.

Hereinafter, the process of attaching the dropper clamp 1 to the upper groove of the tank lane according to the present invention will be described in detail. FIG. 2 shows a state diagram in which the dropper clamp of the present invention is mounted to the upper groove of the tank lane. The dropper clamp shows a state diagram mounted between the overhead line and the tramline.

First, when describing the assembling process of the dropper clamp (1) of the tramway of the present invention, the rectangular shape formed on one side of the latch 10 and the chuck 20 so that the chuck 20 is fixed to the inside of the claw (1) The fixing bolt 31 of the fixing bolt 30 is inserted into the fixing bolt 30 by inserting the fixing bolt 30 having the square fixing portion 31 formed at the lower end of the bolt head from the bolt insertion holes 11 and 21. And a bolt insertion hole 11 and 21 having a square formed on one side of the chuck 20 to be inserted and fixed, and then a circular bolt insertion hole 12a formed on the other side of the brace 10 and the chuck 20. After penetrating to come out of the (22a), by screwing the nut 40 to the fixing bolt 30 penetrated as described above, the assembly process of the present invention is finished.

When the process of fixing the tank line by using the present invention, the assembly is completed as described above with reference to Figure 2, the nut (40) spirally coupled to the fixing bolt 30 by the width of the groove formed on both sides in the upper end of the tank line Then, the two ends of the buckles 20, which are located inside the clamp 10, 23 and 23a are bound to the upper groove of the tank line, and then the nut 40 is fixed to the fixing bolt 30. By fully screwing the tank line is bound to the dropper clamp (1) of the present invention, at this time the square fixing portion 31 of the fixing bolt 30 is one of the latch 10 and the chuck 20 Since the fixing bolt 30 is inserted into and fixed to the square bolt insertion holes 11 and 21 formed at the side, the fixing bolt 30 is the bolt insertion hole of the latch 10 and the chuck 20 even though the nut is tightened using a tool. 11) to prevent rotation in the 21, which can tighten the nut 40 It is to be coupled using a completely spiral Bunch nut 40 to the fixing bolt 30.

Then, as shown in Figure 3, using the dropper clamp (1) of the present invention to the rough line, the process of fixing the tram line to a constant height of the horizontal, the same method as described in the prior art (see Figure 5) The dropper clamps fixed to the tramline and the dropper clamps fixed to the jawline are connected and fixed to the dropper wires 101 each having a predetermined length while both ends are formed in an annular shape. When replacing or replacing only the dropper clamp 1 of the present invention fixed to the tank line, the dropper clamp (1) by the assembly process of the dropper clamp (1) as described above and the process of fixing the tank line using the present invention Can be replaced.

The catenary lane dropper clamp of the present invention has a square fixing portion of the fixing bolt inserted into the bolt insertion hole of the latch and the chuck when the tank line fixing operation of spirally coupling the nut to the fixing bolt inserted into the bolt insertion hole of the latch and the chuck. Since the fixing bolt is prevented from rotating in the bolt insertion hole, the work force that is put into the fastening or dismantling of the dropper clamp for maintaining the tramline horizontally on the jaw wire is reduced from one group of two persons in the related art Along with the excellent effect of reducing the manpower and working time, there is an excellent effect of the cost reduction and budget reduction according to the reduction of manpower and working time.

In addition, since the working time of fastening or dismantling the dropper clamp on the overhead line and the tank line is shortened, the train operation communication is smoothed, so citizens who use the tram can use the tram that fits the dispatch time without waiting for the tram. There is also an excellent effect of improving customer service.

Claims (1)

C-shaped clasps 10 and 12 formed with bolt insertion holes 12, 12a and 22 and 22a at predetermined heights on both sides, and a clasp 20 inside the clasp 10, respectively. Fixed bolt 30 to be inserted and fixed, and both ends of the chuck (20) is bent to the fixing bolt 30 so as to be fixed to the groove formed in the upper end portion of the traction line (23a) A catenary dropper clamp comprised of a nut 40; Circular bolt insertion holes 12 and 22 formed at a predetermined height of one side of the clasp 10 and the staple 20 where the head of the fixing bolt 30 penetrates the clasp 10 and the staple 20. Instead of the square bolt insertion hole (11) (21) is formed, the fixing bolt 30 in the square bolt insertion hole (11) (21) formed on one side of the latch (10) and chuck (20) Catenary drop line clamps characterized in that the rectangular fixing portion 31 having the same shape as the square bolt insertion holes 11 and 21 is formed at the bottom of the fixing bolt 30 so as to be inserted and fixed ( One).