KR101631156B1

KR101631156B1 - Underground Power Cable Support Device

Info

Publication number: KR101631156B1
Application number: KR1020160040898A
Authority: KR
Inventors: 한인택
Original assignee: 한인택
Priority date: 2016-04-04
Filing date: 2016-04-04
Publication date: 2016-06-20

Abstract

The present invention relates to an underground cable support device for preventing cables from being lifted, comprising: a bracket (30) installed on a support (20); The front support arms 31 and 32 and the rear support arms 33 and 34 formed on the bracket 30; Shaped front guides 40 and 41 and rear guides 50 and 51 installed on the front support arms 31 and 32 and the rear support arms 33 and 34; A front cleat 42 and a rear cleat 52 for supporting the cable 22; A front center spring 60 and a rear center spring 61 provided between the front guides 40 and 41 and the front cleats 42 and between the rear guides 50 and 51 and the rear cleats 52, ; Forward inclined springs 62 and 63 provided on the right and left sides between the front guides 40 and 41 and the front cleats 42 and on the right and left sides between the rear guides 50 and 51 and the rear cleats 52, Rear inclined springs 64 and 65; A front spacer 70 and a rear spacer 71 inserted into the gap between the front guides 40 and 41 and the rear guides 50 and 51, respectively; A front swing plate 72 and a rear swing plate 74 (75) inserted into the gap of the front guides 40 (41) and the rear guides 50 (51), respectively; A front stopper 80 and a rear stopper 81 formed on the front spacer 70 and the rear spacer 71; 83 and 84 inserted into the front center spring 60 and the rear center spring 61 and the forward inclined springs 62 and 63 and the rear inclined springs 64 and 65 and the front boss 82, (85) (86) (87); And a fixed cleat 90 for supporting the cable 22 between the front cleat 42 and the rear cleat 52. [

Description

Underground Power Cable Support Device [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable support device for a submerged ship, and more particularly, to a cable support device for a submersible cable which can prevent a cable from being lifted from a cleat when the cable is sagged by self- And a dedicated cable supporting device.

The underground power line has the advantage of improving the cleanliness of the city and protecting the pedestrian and the vehicle, and it is easy to maintain and maintenance. Especially, it is installed in the high-rise building with high load density near the substation where traffic lines are concentrated.

If the power line is small, it can be easily grounded by using a corrugated pipe. However, there is a disadvantage that it must be excavated for inspection or repair. In the case of a large number of power lines, a cable is installed along the inner wall of a power- There is an advantage that a worker can directly enter the electric power source and work without need to excavate at the city.

In the underground cable using the power tool, the cable is installed along the inner wall of the power tool using a cable support device. Such a conventional cable support device is shown in FIGS. 1 to 4. As shown in the figure, the long hole 12 is formed in the vertical direction at an angle 11 provided perpendicularly to the power hole wall 10, and a "T" -shaped bracket (13) is formed at the rear end of the cable support (14), and a stopper (15) bent at right angles is formed on the lower side of the cable support (14).

Such a conventional cable support apparatus is characterized in that when the cable support 14 is tilted upwardly and the brace 13 is inserted into the vertical slot 12 and then the cable support 14 is rotated horizontally, The stopper 15 formed on the cable support 14 is caught by the angle 11 while being caught by the vertical support 12 while being rotated together with the cable support 14 ) In the horizontal direction.

In addition, after the cleats 16 are provided at the upper end of the cable support 14, the cables 18 are installed in the semicircular grooves 17 formed in the cleats 16.

3, the cable 18, which is supported by the cleat 16, is bent downward by its own weight and curved like an arc. At this time, the center portion of the semicircular groove 17 There is a problem that the supporting force is partially lost when an excited portion is generated between the cables 18.

Particularly, since the cable 18 is supported over the edge of the semicircle groove 17, the load is concentrated on the local portion of the cable 18 that is in contact with the edge of the cleat 16, there was.

4, the cable 18 is bent in an arc shape when viewed in a plan view. In this case, when the cable 18 is bent in the shape of a rectilinear cleat 16 There has been a problem that the semicircular groove 17 and the curved cable 18 are mutually inconsistent.

Korean Patent Publication No. 10-1019372 Korean Patent Registration No. 10-0920148

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an underground ship which can prevent a cable from being lifted from a cleat when the cable is sagged by self- And a cable supporting device.

In order to accomplish the object of the present invention, an underground distribution cable supporting apparatus includes: a bracket installed on a support; A front support arm and a rear support arm formed on the bracket so as to be spaced apart from each other in the front, rear, left and right directions; An arcuate forward guide and a rearward guide provided at the upper ends of the front support arms and the rear support arms and paired with each other at intervals; A front cleat and a rear cleat spaced from each other on an upper portion of the front guide and the rear guide and supporting the cable; A front center spring and a rear center spring vertically installed between the front guide and the front cleat, and between the rear guide and the rear cleat, respectively; A front inclined spring and a rear inclined spring which are provided at right and left sides between the front guide and the front cleat and at right and left sides respectively between the rear guide and the rear cleat; A front spacer and a rear spacer passing through the front center spring and the rear center spring from the lower center of the front cleat and the rear cleat respectively and inserted into the gap between the front guide and the rear guide respectively; A front swash plate and a rear swash plate which are respectively inserted through the front slope spring and the rear slope spring from the right and left sides of the front cleat and the rear cleat respectively and inserted into the gap of the front guide and the gap of the rear guide respectively; A front stopper and a rear stopper which are formed at a lower end of the front spacer and the rear spacer and which respectively engage with the front guide and the rear guide; A front boss and a rear boss which are respectively formed at the upper ends of the front spacer and the rear spacer and at the upper ends of the front swash plate and the rear swash plate and are inserted into the front center spring and the rear center spring and the forward slope spring and the rear slope spring; And a fixed cleat supported by the front support arm and the rear support arm and positioned between the front cleat and the rear cleat to support the cable.

As described above, according to the present invention, the front cleat 42 and the rear cleat 52, which are located in front of and behind the fixed cleat 90 when the cable 22 sags as it bows down to its own weight, And is lowered along the sagging cable 22 while being supported by the rear center spring 61 and the forward slant springs 62 and 63 and the rear slant springs 64 and 65. Therefore, There is an effect that the site can be supported by the fixed cleat 90. [

The front and rear cleats 42 and the rear cleats 52 share the forward and rearward sagging portions of the cable 22 with respect to the fixed cleat 90 so that they can be concentrated on the local portion of the cable 22 It is possible to distribute the load, so that it is possible to protect the insulation coating of the cable 22.

The front cleat 42 and the rear cleat 52 are moved along the warped shape of the cable 22 so that the forward inclined springs 62 and 63 and the backward inclined It is possible to prevent the cable 22 from being lifted from the fixed cleat 90, the front cleat 42, and the rear cleat 52 because it is configured to be supported by the springs 64 and 65. [

The vibration energy transmitted to the cable 22 by natural earthquake or artificial earthquake is transmitted to the front center spring 60, the rear center spring 61, the forward reclining springs 62 and 63 and the rear reclining springs 64 and 65, So that the cable 22 can be protected from vibration.

Since the forward slanting springs 62 and 63 and the rear slanting springs 64 and 65 which are symmetrical with respect to each other and are inclined are stopped at a point where the repulsive forces are balanced with each other under a static load, It has the effect of supporting multiple loads.

A front spacer 70 and a rear spacer 71 sandwiched and slid between the front guides 40 and 41 and the rear guides 50 and 51 and the front swash plates 72 and 73 and the rear swash plate 74 The front cleat 42 and the rear cleat 52 can restrict the movement of the front cleat 42 and the rear cleat 52 in the up-and-down and left-right directions, There is an effect that it can be prevented.

The front center springs 60 and the rear center springs 61 and the forward tilting springs 62 and 63 and the rear tilting springs 64 and 65 are engaged with the front bosses 82 and 83 and the rear bosses 85 The front center spring 60 and the rear center spring 61 and the forward reclining springs 62 and 63 and the rear reclining springs 64 and 65 are repeatedly compressed and stretched There is an effect that it is possible to prevent slipping out and slipping out laterally.

When the elastic force is applied in the direction of raising the front cleat 42 and the rear cleat 52 by the front center spring 60 and the rear center spring 61, the front spacer 70 and the rear spacer 71, The front cleat 42 and the rear cleat 52 are prevented from being separated from the front guides 40 and 41 and the rear guides 50 and 51 by the front stopper 80 and the rear stopper 81 There is an effect that can be.

Furthermore, the present invention is characterized in that when assembling the bracket 30 to the support base 20, the latches 37 and 37 formed on the bracket 30 are inserted into the tee holes 23 and 24 formed in the support base 20, The brackets 30 and 37 are engaged with the tie holes 23 and 24 so that the brackets 30 and 36 are engaged with each other before the brace nut 26 and the brachyte bolt 25 are engaged with each other. (20).

The jaws 44 and 54 protruding at the same height as the thicknesses of the front support arms 31 and 32 and the rear support arms 33 and 34 are engaged with the front guides 40 and 41 and the rear guide 50 51, the distance between the front guides 40, 41 and the rear guides 50, 51 can be uniformly adjusted.

The grooves 43 and the protrusions 53 formed in the front guides 40 and 41 and the rear guides 50 and 51 when the front guides 40 and 41 are engaged with the rear guides 50 and 51 The positions of the front guides 40 and 41 and the rear guides 50 and 51 can be precisely adjusted.

Figure 1 is a perspective view of a conventional cable support device.
2 is a perspective view of a conventional cable supporting apparatus,
3 is a cross-sectional view of a conventional cable support apparatus,
Fig. 4 is a plan view showing a conventional cable supporting apparatus
5 is an exploded perspective view
Fig. 6 is an exploded perspective view of the bottom of Fig.
7 is a bottom perspective view showing the front cleat according to the present invention.
8 is a perspective view
9 is a front view according to the present invention
Fig. 10 is a front enlarged view showing an enlarged main part according to the present invention
11 is a sectional view taken along the line A-A 'in Fig. 9
12 is a plan view

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

As shown in FIGS. 5 to 12, the present invention includes a bracket 30 mounted on a support 20; And includes a front support arm 31 and a rear support arm 33 and 34 formed on the bracket 30 while being spaced apart from each other in the front and rear left and right directions.

A pair of latches 37 and 37 are formed in a downward T shape from the right and left ends of the bracket 30 and a pair of Tee holes 23 and 24 are formed in the support 20 When the latches 36 and 37 are inserted into the tee holes 23 and 24 and then the bracket 30 is pushed in the horizontal direction to hook the latches 36 and 37 to the tee holes 23 and 24, The positioning of the bracket 30 can be facilitated before the brace bolt 25 and the fastening nut 26 are fastened.

A rectangular hole 35 is formed at the center of the bracket 30 and a slot 21 coinciding with the center of the rectangular hole 35 is formed in the support base 20 so that the angular hole 25 is formed in the square hole 35, And then the bracket 30 is fixed on the support table 20 by connecting the lock nut 26 to the bracket bolt 25 protruding downward from the support table 20.

The present invention is provided at the upper ends of the front support arms 31 and 32 and the rear support arms 33 and 34 and includes an arcuate forward guide 40 and 41, Guides 50 and 51; And a front cleat 42 and a rear cleat 52 which are spaced from the upper portions of the front guides 40 and 41 and the rear guides 50 and 51 and support the cable 22.

The jaws 44 and 54 formed at the same protruding distance as the thicknesses of the front support arms 31 and 32 and the rear support arms 33 and 34 are inserted into the front guides 40 and 41, 50) 51 so that the front guides 40 and 41 and the rear guides 50 and 51 are disposed with the front support arms 31 and 32 and the rear support arms 33 and 34 interposed therebetween, The front guides 40 and 41 and the rear guides 50 and 51 are spaced apart from each other by the jaws 44 and 54. [

A circular groove 43 is formed on the joint where the front guides 40 and 41 meet the jaws 44 and 54 and a joint where the rear guides 50 and 51 meet the jaws 44 and 54, The protrusions 53 are formed to facilitate positioning when the front guides 40 and 41 and the rear guides 50 and 51 are engaged.

The front screw holes 40a and 40b and the rear screw holes 50a and 50b are formed in the upper left and right upper ends of the front guide 40 and the rear guide 50 so as to be aligned with the tap holes 45 and 55 Respectively.

The bolts 46, 47, 56 and 57 are inserted through the front screw holes 40a and 40b and the rear screw holes 50a and 50b and then inserted into the tapped holes 45 and 55, The upper ends of the front guides 40 and 41 are coupled with the upper ends of the rear guides 50 and 51 by engaging the front guides 46, 47, 56 and 57, respectively.

The present invention is characterized in that a front center spring 60 (see FIG. 1) is installed vertically between the front guides 40 and 41 and the front cleats 42 and between the rear guides 50 and 51 and the rear cleats 52, And a rear center spring 61; A forward inclined spring 62 (see FIG. 1) installed at right and left sides between the front guides 40 and 41 and the front cleats 42 and at right and left sides between the rear guides 50 and 51 and the rear cleats 52 63 and backward tilting springs 64, 65, respectively.

The front center spring 60, the rear center spring 61, the forward tilting springs 62 and 63 and the rear tilting springs 64 and 65 are constituted by a compression coil spring formed by spirally winding a steel wire And the forward tilting springs 62 and 63 and the rear tilting springs 64 and 65 may be formed to be symmetrical in the left and right direction, for example.

The present invention is characterized in that the front cleat 42 and the rear cleat 52 pass through the front center spring 60 and the rear center spring 61 from the lower center of the front cleat 42 and the rear cleat 52, A front spacer 70 and a rear spacer 71 respectively inserted into the gaps of the guides 50 (51); The front clevis 42 and the rear cleat 52 pass through the forward slant springs 62 and 63 and the rear slant springs 64 and 65, respectively, 72 and 73 and the rear swinging plates 74 and 75, respectively, which are inserted into the gap and the gap between the rear guides 50 and 51, respectively.

The front spacer 70 and the rear spacer 71 and the front swing plates 72 and 73 and the rear swing plates 74 and 75 can be formed in a rectangular shape and the front guides 40 and 41, 51 so as to be slid in the gap between the front guides 40 and 41 and the gap between the rear guides 50 and 51. [

The front stopper 80 and the rear stopper 80 which are formed at the lower ends of the front spacer 70 and the rear spacer 71 and are respectively engaged with the front guides 40 and 41 and the rear guides 50 and 51, (81); The upper ends of the front spacer 70 and the rear spacer 71 are formed at the upper ends of the front swing plates 72 and 73 and the rear swing plates 74 and 75, The front bosses 82, 83 and 84 and the rear bosses 85 and 86 inserted into the center springs 61 and the forward slant springs 62 and 63 and the rear slant springs 64 and 65 87).

The front bosses 82, 83 and 84 and the rear bosses 85 and 86 and 87 may be formed in a half-moon shape, for example, and may include a front center spring 60 and a rear center spring 61, And the forward slanting springs 62 and 63 and the rear slanting springs 64 and 65 are prevented from being deviated laterally when the compression and extension are repeated.

The present invention is supported by the front support arms 31 and 32 and the rear support arms 33 and 34 and is located between the front cleat 42 and the rear cleat 52 to support the cable 22 (Not shown).

A pair of legs 91 and 92 are formed on the lower left and right sides of the fixed cleat 90 and hollows having the same length as the distance between the front guides 40 and 41 and the rear guides 50 and 51 Shaped sleeves 93 and 94 are formed at the lower ends of the legs 91 and 92 so that the sleeves 93 and 94 are attached to the front support arms 31 and 32 and the rear support arms 33 and 34, .

The front bolts 40c, 40d, 41c and 41d are formed in the lower left and right sides of the front guides 40 and 41 so as to pass through in the front and rear direction. Rear bolt holes 50c, 50d, 51c, and 51d, which are centered with the holes 40c, 40d, 41c, and 41d, are formed to penetrate in the front-rear direction.

Through holes 31h (32h), which are centered with the rear bolt holes 50c, 50d, 51c and 51d, are formed in the upper ends of the front support arms 31 and 32 and the rear support arms 33 and 34, And the hollows 93h and 94h are formed in the sleeves 93 and 94 so as to be coincident with the through holes 31h, 32h, 33h and 34h.

The front bolt holes 40c, 40d, 41c and 41d and the rear bolt holes 50c, 50d, 51c and 51d, the through holes 31h, 32h, 33h and 34h, The elongated bolts 95 and 96 are inserted through the holes 93h and 94h and then the engaging nuts 97 and 98 are engaged with the ends of the elongated bolts 95 and 96 protruding outward, The rear guides 50 and 51 and the fixed cleats 90 are installed at the upper ends of the front support arms 31 and 32 and the rear support arms 33 and 34. [

In the drawing, reference numeral 27 denotes an angle at which the support base 20 is installed.

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

When the cable 22 is mounted on the front cleat 42, the rear cleat 52 and the fixed cleat 90, sagging occurs due to the weight of the cable 22 as shown in Fig. 11, The front cleat 42 and the rear cleat 52 which are located on the front and rear sides of the cleat 90 are urged downward by the cable 22 so that the forward center spring 60, the rear center spring 61, (62) 63 and the rear tilting springs 64, 65 are compressed.

That is, the front cleat 42 is at a height at which the load exerted on the front cleat 42 from the cable 22 and the elastic energy accumulated in the forward center spring 60 and the forward reclining springs 62, 63 balance Thereby supporting the cable 22 while maintaining the stationary state.

The rear cleats 52 are arranged at a height at which the load acting on the rear cleats 52 from the cable 22 and the elastic energy accumulated in the rear center springs 61 and the rear tilting springs 64, Thereby supporting the cable 22 while maintaining the stationary state.

On the other hand, when the cable 22 is provided in the curve section to the underground line as shown in FIG. 12, the cable 22 is bent in an arc shape when viewed from the plane. For example, A force is applied to the front cleat 42 and the rear cleat 52 in the direction of the arrow to cause the forward reclining spring 62 and the forward reclining spring 62 located on the left side of the rear reclining springs 64, The forward slope spring 63 and the rear slope spring 65 located on the right side are expanded so that the front cleat 42 and the rear cleat 52 are bent in the direction of the curve of the cable 22 The cable 22 is guided to the curved line and supported at the same time.

The front cleat 42 and the rear cleat 52 move together in a direction in which the cable 22 moves when the cable 22 is jolted up and down and left and right by a natural earthquake or artificial earthquake. The rear center spring 61 and the forward tilting springs 62 and 63 and the rear tilting springs 64 and 65 absorb the vibration transmitted to the cable 22 while repeating compression and extension.

20: Support 21: Slot
22: cable 23, 24: tee hole
25: staple bolt 26: fastening nut
27: Angle 30: Bracket
31, 32: front support arms 33, 34:
31h, 32h, 33h, 34h: through hole 35: square hole
36, 37: Clasp 40, 41: Front guide
40a, 40b: front screw holes 40c, 40d, 41c, 41d: front bolt holes
42: front cleat 43: groove
44, 54: chin 45, 55:
46, 47, 56, 57: Single bolt 50, 51:
50a, 50b: rear screw holes 50c, 50d, 51c, 51d: rear bolt hole
52: rear cleat 53: protrusion
60: forward center spring 61: rear center spring
62, 63: forward tilting springs 64, 65:
70: front spacer 71: rear spacer
72, 73: forward swash plate 74, 75:
80: front stopper 81: rear stopper
82, 83, 84: front boss 85, 86, 87: rear boss
90: fixed cleats 91, 92: leg
93,94: Sleeve 95,96: Bolt
97,98: Coupling nut 93h, 94h: hollow hole

Claims

A bracket 30 mounted on the support 20;
Front support arms 31 and 32 and rear support arms 33 and 34 formed on the bracket 30 while being spaced apart from each other in the longitudinal and lateral directions;
Shaped front and rear guides 40 and 41 provided at the upper ends of the front support arms 31 and 32 and the rear support arms 33 and 34, ) 51;
A front cleat 42 and a rear cleat 52 spaced apart from the upper portions of the front guides 40 and 41 and the rear guides 50 and 51 and supporting the cable 22;
A front center spring 60 vertically installed between the front guides 40 and 41 and the front cleats 42 and between the rear guides 50 and 51 and the rear cleats 52, A center spring 61;
A forward inclined spring 62 (see FIG. 1) installed at right and left sides between the front guides 40 and 41 and the front cleats 42 and at right and left sides between the rear guides 50 and 51 and the rear cleats 52 63 and rear tilting springs 64, 65;
Passes through the front center spring 60 and the rear center spring 61 from the lower center of the front cleat 42 and the rear cleat 52 and passes through the gap between the front guides 40 and 41 and the rear guide 50 A front spacer 70 and a rear spacer 71 which are respectively inserted into the gaps of the first and second projecting portions 51;
The front clevis 42 and the rear cleat 52 pass through the forward slant springs 62 and 63 and the rear slant springs 64 and 65, respectively, A forward swash plate 72 and a rear swash plate 74 (75) inserted into the gap of the gap and the rear guides 50 (51), respectively;
A front stopper 80 and a rear stopper 81 formed at the lower ends of the front spacer 70 and the rear spacer 71 and engaged with the front guides 40 and 41 and the rear guides 50 and 51, ;
The upper ends of the front spacer 70 and the rear spacer 71 are formed at the upper ends of the front swing plates 72 and 73 and the rear swing plates 74 and 75, The front bosses 82, 83 and 84 and the rear bosses 85 and 86 inserted into the center springs 61 and the forward slant springs 62 and 63 and the rear slant springs 64 and 65 87);
And is supported by the front support arms 31 and 32 and the rear support arms 33 and 34 and is fixed between the front cleat 42 and the rear cleat 52 to support the cable 22. [ A cleat 90;
Wherein said cable support device comprises: