KR102505986B1 - Cable Tray Spacer - Google Patents

Abstract

The present invention relates to a cable tray spacer for architecture, comprising: drum support units (31) formed on a lower end of a rung (30) for supporting a power cable (20), and forming regular intervals from each other in a longitudinal direction of the rung (30); a journal pin installed on the drum support units (31); a rotation drum (40) supported by the journal pin (32) to rotate, and letting the progressing direction of a falling binding band (22) make a U-turn into a rising direction; a pole passage (41) formed to penetrate from one side to an inner side and an outer side of the rotation drum (40); a guide channel (42) formed on an outer side of the pole passage (41) and guiding the binding band (22); a pair of binding holes (33) punched on the rung (30) toward both sides of the rotation drum (40), and letting the binding band (22) pass through; a pole (50) rotatably installed in the rotation drum (40) by a pivot pin (51) and stopping the backward movement of the binding band (22) passing through the guide channel (42); spring hanging pins (43)(53), respectively installed on the rear end of the rotation drum (40) and the rear end of the pole (50); and a pole spring (54) installed by having both ends hung on the spring hanging pins (43)(53) and applying force in a direction in which a sharp end of the pole (50) comes in contact with the binding band (22). Therefore, rotation and stoppage of the rotation drum can be conveniently controlled.

Description

Architectural cable tray spacer {Cable Tray Spacer}

The present invention relates to a cable tray spacer for construction, and more particularly, to a cable tray spacer for construction, which maintains a constant distance between power cables installed on rungs of a cable tray and at the same time conveniently binds them.

In order to supply power to each floor of a building, power cables of large and small diameters are laid along ceilings, floors or walls. In particular, power cables installed along the ceiling are laid neatly using cable trays for cable installation and It facilitates maintenance and inspection.

A general cable tray used for such cable laying is shown in FIGS. 1 and 2 in the accompanying drawings. As shown in this, the support bar 14 is installed using the nuts 13a and 13b at the lower end of the hanger bolts 11 and 12 installed on the ceiling, and the side rail 16 connected by the rung 15 (17) was structured to be fixed while being placed on the support bar (14).

In addition, the power cables 18 were laid on the constructed cable tray 10 at regular intervals, and then the power cables 18 were fixed to the rungs 15 using binding bands 19 to prevent movement.

However, in such a general cable tray 10, when fixing the coupling band 19 to the rung 15, it is inevitable to fix it in a diagonal direction at the point where the power cable 18 and the rung 15 intersect, so that the power cable ( 18) did not form a straight line and was bent while being pushed in one direction by the binding band 19.

In addition, since the binding band 19 is fixed in an oblique direction, the binding force by the binding band 19 is concentrated on a local area of the power cable 18, and the insulation coating of the power cable 18 is easily damaged.

In addition, since the rung 15 has a straight shape, there is no part holding the coupling band 19 from moving when fastening the coupling band 19, so that the coupling band 19 moves along the longitudinal direction of the rung 15 and As the distance between the power cables 18 is narrowed or widened, safety problems have been revealed.

On the other hand, in order to solve the above problems, Korean Patent Registration No. 10-1216994 (named "Cable tray for power distribution in apartment houses") has been proposed. As shown in FIG. 3 of the accompanying drawing, in this prior art, the rung 3 is installed in a truss structure on the side rails 1 and 2, and the tie jaws 4 and 5 for fastening the binding band (not shown) was formed in a stepped shape along the edge of the rung 3, and then anti-separation bumps 4a and 5a were formed at the ends of the tie jaws 4 and 5 to prevent the detachment of the binding band.

However, in this prior art, in order to bind the power cables, the binding band is inserted between the power cables from the top of the cable tray, and another worker located under the cable tray bends the end of the binding band into a U-shape to raise it between the power cables. there was a ham

Domestic Patent Registration No. 10-1075156 (Announcement Date 2011.10.19.) Domestic Patent Registration No. 10-1402169 (Announcement date 2014.06.03.) Domestic Patent Registration No. 10-1587162 (Announcement date 2016.01.20.) Domestic Patent Registration No. 10-1601823 (Announcement date 2016.03.09.) Domestic Patent Registration No. 10-1216994 (Announcement Date 2013.01.02.)

The present invention has been made to solve the above problems, and its object is to provide a cable tray spacer for construction that can conveniently and quickly perform a binding operation of a binding band.

In order to achieve the object of the present invention, a cable tray spacer for construction includes drum supports formed at the lower ends of rungs for supporting power cables and spaced apart from each other at regular intervals along the longitudinal direction of the rungs; Journal pins installed on the drum support; a rotating drum supported by the journal pin and rotated to U-turn the traveling direction of the descending binding band in an ascending direction; A pole passage formed to communicate in and out from one side of the rotating drum; a guide channel formed outside the pole passage and guiding the binding band; a pair of binding holes perforated in the rung toward the left and right sides of the rotary drum and through which a binding band passes; a pole rotatably installed inside the rotating drum by a pivot pin and stopping the backward movement of the binding band passing through the guide channel; Spring holding pins installed at the rear end of the rotating drum and the pole, respectively; It is installed with both ends hooked on the spring locking pin, and has a feature including a fall spring that applies force in a direction in which the tip of the pole contacts the binding band.

The present invention is formed at the upper and lower ends of the guide channel, a pair of band guide pieces that are bent in a direction away from the rotating drum as they move away from the guide channel; It is formed side by side along the edge of the outer circumferential surface of the rotating drum and includes a pair of separation prevention walls to prevent the coupling band from derailing.

The present invention is formed in the center of the rear surface of the rotary drum, the hub spaced apart between the drum support and the rotary drum; A handle installed on the rotating drum; a dog pin extending from the handle and protruding between the rotary drum and the drum support; It is formed toward the rotary drum from the horizontal plane of the rung, and includes a stopper that meets the dog pin when the rotary drum is rotated at a certain angle to limit the rotation angle of the rotary drum.

As described above, the present invention has the effect of holding the tip of the binding band 22 by the pole 50 and the pole spring 54 when rotating the rotary drum 40 and making a U-turn along the rotary drum 40. there is

The binding band 22 wound around the rotary drum 40 can be prevented from being derailed from the outer circumferential surface of the rotary drum 40 by the detachment prevention wall 45 formed parallel to the outer circumferential edge of the rotary drum 40 It works.

Since the coupling band 22 is configured to be bonded by bringing the coupling band 22 into close contact with the outer circumferential surface of the power cable 20 by the rotating drum 40, twisting of the coupling band 22 is prevented and damage to the insulation coating of the power cable 20 is prevented. has the effect of preventing

When the binding band 22 enters the guide channel 42, there is an effect of conveniently entering the band guide pieces 44 formed at the upper and lower ends of the guide channel 42.

The effect of limiting the rotation angle of the rotary drum 40 to a certain angle by using the stopper 34 formed on the rung 30 and the dog pin 61 protruding from the rear surface of the rotary drum 40 there is.

Furthermore, according to the present invention, rotation and stop of the rotary drum 40 can be conveniently controlled using the handle 60 installed on the rotary drum 40 .

1 is a bottom perspective view showing a general cable tray
2 is a plan view showing that power cables are bound to a general cable tray;
Figure 3 is a plan view showing the prior art
4 is a perspective view according to the present invention
5 is a bottom perspective view according to the present invention
Figure 6 is an enlarged perspective view of the main part according to the present invention
7 is an exploded perspective view according to the present invention
Figure 8 is an exploded rear perspective view of Figure 7
9 is an exploded perspective view showing a rotary drum, a pole, a pole spring, a handle, and peripheral components thereof according to the present invention;
Figure 10 is an exploded perspective view of Figure 9 viewed from the other side
11 is an enlarged cross-sectional view showing that the binding band is lowered through the binding hole in the present invention.
12 is an enlarged cross-sectional view showing that a binding band passes through a guide channel according to the present invention;
13 is an enlarged cross-sectional view showing that the binding band is in U-turn by the rotation of the rotating drum according to the present invention.
14 is an enlarged cross-sectional view showing that the dog pin is caught on the stopper while the rotary drum according to the present invention is rotated 180 degrees and the lower end of the binding band is reversed in the upward direction.
15 is an enlarged cross-sectional view showing that the binding band according to the present invention is bound to the power cable while rising through the binding hole.
16 is a front view according to the present invention

Hereinafter, an embodiment according to the present invention will be described in detail with reference to FIGS. 4 to 16 of the accompanying drawings.

The present invention is formed at the lower end of the rung 30 for supporting the power cable 20, the drum support portion 31 forming a constant interval from each other along the longitudinal direction of the rung 30; A journal pin 32 installed on the drum support 31; It is supported and rotated by the journal pin 32 and includes a rotating drum 40 for U-turning the traveling direction of the descending coupling band 22 in an ascending direction.

16, side rails 23 are installed at both ends of the rung 30, and the drum support 31 can be formed in a substantially U-shape at the lower end of the rung 30, and the drum support A pin hole 31p for fixing the journal pin 32 is formed at the center of (31).

As shown in FIGS. 6 to 8 , the journal pin 32 may be formed by cutting or rolling using a metal round bar, and the rivet coupling portion 32r having a diameter smaller than that of the journal pin 32 . ) can be formed at the rear end of the journal pin 32.

In the above case, the rivet coupling portion 32r formed on the journal pin 32 is inserted into the pin hole 31p formed on the drum support portion 31, and then the rivet coupling portion 32r protruding to the opposite side is molded with a punch or hammer. When molded into a flat disc shape with a certain thickness using a tool, the journal pin 32 is permanently coupled to the drum support part 31.

The journal pin 32 and the journal hole 40h are loosely fitted to each other, and the rotary drum 40 is assembled to the journal pin 32 so that the journal pin 32 is inserted into the journal hole 40h, and then the journal pin ( When the snap ring 32s is inserted into the annular stop groove 32g formed on the outer circumferential surface of 32), it is possible to prevent the rotary drum 40 from being separated from the journal pin 32.

The rotary drum 40 may be configured by forming a circular plate (symbols omitted) having a certain thickness on the rear side and forming a cylindrical wall (symbols omitted) having a constant thickness and height along the edge of the circular plate.

The present invention includes a pole passage 41 formed to communicate in and out from one side of the rotary drum 40; a guide channel 42 formed outside the pole passage 41 and guiding the binding band 22; It includes a pair of binding holes 33 that are drilled in the rungs 30 toward the left and right sides of the rotary drum 40 and allow the binding bands 22 to pass therethrough.

The binding hole 33 formed in the rung 30 may be formed as, for example, a rectangular square hole, and is formed to have a size larger than the cross section of the binding band 22 so that the binding band 22 can pass therethrough.

The guide channel 42 is for passing through the binding band 22 in the vertical direction, and restraining it with a gap in the front, rear, left and right directions, at one side of the rotary drum 40 in which the pole passage 41 is formed. It can be formed in an extended form.

The present invention is rotatably installed inside the rotating drum 40 by the pivot pin 51, the pole 50 for stopping the backward movement of the binding band 22 passing through the guide channel 42; spring locking pins 43 and 53 installed at the rear ends of the rotary drum 40 and the pole 50, respectively; It includes a fall spring 54 installed with both ends hooked on the spring locking pins 43 and 53 and applying force in a direction in which the tips of the poles 50 come into contact with the binding band 22.

The pivot pin 51 is inserted into the pivot holes 40v and 50v formed in the pole 50 and the rotary drum 40, respectively, and then punches the tip of the pivot pin 51 protruding from the rear surface of the rotary drum 40. Alternatively, the pole 50 can be freely rotated by the pivot pin 51 while preventing the pole 50 from being separated from the rotary drum 40 by forming it into a disk shape having a certain thickness using a molding tool such as a hammer. combine to make

The pole 50 is for passing the binding band 22 passing through the guide channel 42 in a downward direction and stopping the movement of the binding band 22 in an upward direction, which is the opposite direction.

The spring locking pins 43 and 53 can be formed by cutting or rolling using a metal round bar, and on the outer circumferential surface of the spring locking pins 43 and 53 there are annular spring locking grooves 43g and 53g. By forming a ring formed at both ends of the fall spring 54 is installed by hanging the spring locking groove (43g) (53g).

As shown in the accompanying drawings, rivet coupling parts 43r and 53r are formed at the rear ends of the spring engaging pins 43 and 53 to have a diameter smaller than that of the spring engaging pins 43 and 53. In this case, the rivet coupling parts 43r and 53r are inserted into the pin hole 40p formed in the rotary drum 40 and the plate hole 50s formed in the pole 50, and then the rivet coupling protrudes to the opposite side. The portions 43r and 53r are molded using a forming tool such as a punch or hammer to prevent the spring catch pins 43 and 53 from being separated from the rotary drum 40 and the pole 50.

In particular, the riveted portion 53r of the spring locking pin 53 installed on the pole 50 is molded to fit the plate hole 50s and then polished to match the rear surface of the pole 50 so that the pole 50 is formed. Avoid interference when rotating.

The fall spring 54 may be composed of a tension coil spring made by spirally winding a spring steel wire having a certain diameter, and in this case, rings are formed at both ends of the fall spring 54.

The present invention is formed at the upper and lower ends of the guide channel 42, a pair of band guide pieces 44 that are bent in a direction away from the rotary drum 40 as they move away from the guide channel 42; It is formed side by side along the edge of the outer circumferential surface of the rotary drum 40 and includes a pair of separation prevention walls 45 for preventing the coupling band 22 from derailing.

The guide channel 42 and the band guide piece 44 may be integrally molded, and the band guide piece 44 serves as a guide when the binding band 22 is inserted into the guide channel 42 .

The separation prevention wall 45 is to prevent the binding band 22 wound around the rotary drum 40 from deviating from the outer circumferential surface of the rotary drum 40, for example, about half of the outer circumferential length of the rotary drum 40. It can be formed in an arc shape to have a length of.

The present invention is formed in the center of the rear surface of the rotary drum 40, the hub 46 spaced apart between the drum support 31 and the rotary drum 40; a handle 60 installed on the rotating drum 40; a dog pin 61 extending from the handle 60 and protruding between the rotating drum 40 and the drum support 31; A stopper 34 formed from the horizontal plane of the rung 30 toward the rotary drum 40 and meeting the dog pin 61 when the rotary drum 40 is rotated at a certain angle to limit the rotational angle of the rotary drum 40 ).

As shown in the accompanying drawings 8 and 10, the length of the hub 46 is formed longer than the length of the dog pin 61 to provide a space in which the dog pin 61 can move when the rotary drum 40 rotates. It is secured between the rotary drum 40 and the drum support 31.

The handle 60 can be molded by cutting, rolling, casting, etc. using a metal round bar, and the rotary drum 40 can be conveniently rotated or stopped when the handle 60 is held by hand and used.

The dog pin 61 is formed integrally with the end of the handle 60, and as shown in FIGS. 9 and 10, the handle formed on the rotating drum 40 after being processed to a diameter smaller than that of the handle 60. After being inserted into the fixing hole 40d, the protruding part on the opposite side may be formed into a disk shape with a flat and constant thickness using a molding tool such as a hammer or punch.

As shown in FIGS. 7 and 8, the stopper 34 can be formed by cutting the side wall of the rung 30 in a U-shape and then bending it forward at a right angle. The length of the stopper 34 is equal to the hub ( 46) to prevent interference by the stopper 34 when the rotary drum 40 rotates.

Hereinafter, the operation according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 11 of the accompanying drawing, the front end of the binding band 22 is formed on the rung 30 in a state in which the rotating drum 40 or the handle 60 is held by hand and the rotating drum 40 is stopped from rotating. When inserted into the guide channel 42 through the binding hole 33, the binding band 22 passes through the guide channel 42 while pushing the front end of the pole 50 as shown in FIG.

At this time, the pole 50 is rotated around the pivot pin 51, and the pole spring 54 is stretched with an elastic restoring force, and pressure is applied to the surface of the coupling band 22 by the attachment of the pole 50. That is, the pole 50 is rotated in the counterclockwise direction, which is the direction of the arrow in FIG. 12, around the pivot pin 51, but the clockwise rotation is stopped so that the binding band 22 can only descend, and the opposite direction Ascension is stopped so that only one-way passage is possible in the guide channel 42 .

As shown in FIG. 13 in a state where the binding band 22 passes through the guide channel 42, when the rotary drum 40 is rotated counterclockwise using the handle 60 held, the binding band ( 22 is rotated along the rotary drum 40 by the pole 50.

After that, as shown in FIG. 14, when the stopper 34 is caught on the dog pin 61 located on the rear surface of the rotary drum 40, the rotation of the rotary drum 40 is stopped, and the binding band 22 forms a U-shape. While forming, the front end of the binding band 22 is reversed 180 degrees and goes upward.

At this time, as shown in FIG. 15, when holding the front end of the upward binding band 22 with your hand and passing it through the other binding hole 33 and pulling it upward, the binding band 22 slides along the outer circumferential surface of the rotating drum 40. After that, when both ends of the binding band 22 are bound and pulled tightly, the power cable 20 is firmly bound to the rung 30.

20: power cable 22: binding band
23: side rail 30: rung
31: drum support 31p, 40p: pin hole
32: journal pin 32g: stop groove
32s: snap ring 32r, 43r, 53r: rivet joint
33: binding hole 34: stopper
40: rotary drum 40d: handle fixing hole
40h: journal hole 40v,50v: pivot hole
41: pole passage 42: guide channel
43,53: spring locking pin 43g,53g: spring locking groove
44: band guide piece 45: departure prevention wall
46: hub 50: pole
50s: plate hole 51: pivot pin
54: fall spring 60: handle
61: dog pin

Claims (3)

Drum support parts 31 formed at the lower end of the rung 30 for supporting the power cable 20 and spaced apart from each other along the longitudinal direction of the rung 30;
a journal pin 32 installed on the drum support part 31;
a rotary drum (40) supported by the journal pin (32) and rotated to U-turn the traveling direction of the descending binding band (22) in an ascending direction;
a pole passage 41 formed to communicate inward and outward at one side of the rotary drum 40;
a guide channel 42 formed outside the pole passage 41 and guiding the coupling band 22;
a pair of binding holes 33 that are bored in the rung 30 toward the left and right sides of the rotary drum 40 and pass the binding band 22 through;
a pole 50 rotatably installed inside the rotary drum 40 by a pivot pin 51 and stopping the backward movement of the coupling band 22 passing through the guide channel 42;
spring locking pins 43 and 53 respectively installed at rear ends of the rotary drum 40 and the pole 50;
a fall spring 54 installed with both ends hooked on the spring locking pins 43 and 53 and applying force in a direction in which the tips of the poles 50 come into contact with the coupling band 22;
A cable tray spacer for construction comprising a. According to claim 1,
a pair of band guide pieces 44 formed at upper and lower ends of the guide channel 42 and bent in a direction away from the rotary drum 40 as they move away from the guide channel 42;
a pair of departure prevention walls 45 formed side by side along an outer circumferential edge of the rotary drum 40 and preventing the coupling band 22 from derailing;
A cable tray spacer for construction comprising a. According to claim 1,
a hub 46 formed at the center of the rear surface of the rotary drum 40 and spaced apart between the drum support 31 and the rotary drum 40;
a handle 60 installed on the rotary drum 40;
a dog pin 61 extending from the handle 60 and protruding between the rotary drum 40 and the drum support part 31;
It is formed from the horizontal plane of the rung 30 toward the rotary drum 40, and when the rotary drum 40 is rotated at a certain angle, it meets the dog pin 61 to determine the rotation angle of the rotary drum 40 A stopper 34 to limit;
A cable tray spacer for construction comprising a.

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