AU2020240972B2

AU2020240972B2 - Clamping apparatus for antenna

Info

Publication number: AU2020240972B2
Application number: AU2020240972A
Authority: AU
Inventors: In Ho Kim; Jin Soo Yeo; Chang Woo Yoo
Original assignee: KMW Inc
Current assignee: KMW Inc
Priority date: 2019-03-18
Filing date: 2020-03-18
Publication date: 2023-07-20
Anticipated expiration: 2040-03-18
Also published as: CN212626010U; KR20200111090A; AU2020240972A1

Abstract

The present invention relates to a clamping apparatus for an antenna. Particularly, the clamping apparatus comprises: an arm unit which is coupled to a support pole and has a mounting space formed in a tip portion thereof and open in a longitudinal direction; a rotation unit which is detachably mounted in the mounting space of the arm unit and has a tip portion coupled to be rotatable a predetermined angle in the left and right directions with respect to a hinge point in the mounting space; a tilting unit which is coupled to the tip portion of the rotation unit so as to be tiltable in the up and down directions and mediates the coupling of an antenna device; and a mounting guide unit which is provided in the rotation unit, and is elastically pressed and then temporarily fixed to the hinge point of the mounting space when the rotation unit is mounted in the mounting space of the arm unit. Thus, the present invention provides the advantages of removing spatial limitations for a plurality of antenna devices with respect to the support pole, and improving workability.

Description

[DESCRIPTION]

[Disclosure Title]

CLAMPING APPARATUS FOR ANTENNA

[Technical Field]

[1] The present disclosure relates to a clamping

apparatus for an antenna, and more particularly, to a

clamping apparatus for an antenna, in which an antenna

device can be efficiently disposed in a compact installation

space as well as a direction of the antenna device is easily

adjusted.

[Background Art]

[2] Wireless communication technology, for example,

multiple-input multiple-output (MIMO) technology is

technology that remarkably increases a data transmission

capacity using multiple antennas, and is a spatial

multiplexing technique for transmitting different data

through each transmitting antenna at a transmitter and for

sorting the transmitted data through adequate signal

processing at a receiver.

[3] Therefore, by simultaneously increasing the number of

transmitting antennas and the number of receiving antennas,

a channel capacity is increased, and more data can be

transmitted. For example, if the number of antennas is

increased to ten, a channel capacity of about ten times is

secured using the same frequency band compared to a current single antenna system.

[4] In 4G LTE-Advanced, antennas are used up to eight,

and products in which 64 or 128 antennas are mounted in a

pre-5G step are developed at present. It is expected that

base station eqipment having far more antennas will be used

in 5G, which is referred to as Massive MIMO technology. A

current cell operation is of two dimensions, whereas, if the

Massive MIMO technology is introduced, 3D-Beamforming is

possible, thus being also referred to as full dimension

(FD)-MIMO.

[5] In the Massive MIMO technology, as the number of

antennas (ANTs) increases, the number of transmitters and

the number of filters are increased together. However, due

to lease expenses of an installation space or spatial

limitations, RF elements (antenna/filter/power

amplifier/transceiver, etc.) are actually made small, light,

and inexprensive. Massive MIMO requires a high output for

coverage expansion, and power consumption and a heating

value caused by the high output act as negative factors in

reducing weight and a size.

[6] Especially, when a MIMO antenna, in which modules

implemented by RF elements and digital elements are coupled

in a layered structure, is installed in a restricted space,

the necessity for compact and miniature design of a

plurality of layers constituting the MIMO antenna in order to maximize installation easiness or spatial applicability is rising, and the necessity for free direction adjustment of an antenna device installed on one support pole is strongly requested.

[DISCLOSURE]

[Technical Problem]

[7] An object of the present disclosure is to provide a

clamping apparatus for an antenna which can increase a

degree of freedom of installation with respect to a support

pole having many spatial limitations and improve

workability. An additional or alternative object of the

present dislousre is to provide the public with a useful

choice.

[8] Technical objects of the present disclosure are not

limited to the aforementioned technical object, and other

technical objects not described above may be evidently

understood by those skilled in the art from the following

description.

[Technical Solution]

[9] An embodiment of a clamping apparatus for an antenna

according to the present disclosure includes: an arm unit

that is coupled to a support pole and has a mounting space

formed in a tip portion thereof so as to open in a

longitudinal direction; a rotation unit that is detachably

mounted in the mounting space of the arm unit and has a tip portion coupled to be rotatable about a hinge point in the mounting space at a predetermined angle in a left-right direction; a tilting unit that is coupled to the tip portion of the rotation unit so as to be tiltable in an up-down direction and configured to mediate coupling of an antenna device; and a mounting guide unit that is provided to the rotation unit, and is elastically pressed, and then is temporarily fixed to the hinge point in the mounting space when the rotation unit is mounted in the mounting space of the arm unit, wherein the mounting guide unit comprises: a guide tube that is provided such that an outer end thereof is protrudable outward from a lower hinge fastening hole, which is provided such that a part of the rotation unit which corresponds to the hinge point in the mounting space is recessed, at a predetermined length; and an elastic body that elastically supports the guide tube in an outward direction of the rotation unit.

[10] Moreover, an outer end of the guide tube may protrude

at a length at which the guide tube is inserted into and

caught in a hinge hole formed at the hinge point in the

mounting space of the arm unit

[11] Moreover, a lower rotating pin may pass through the

hinge point at an outer side of the arm unit and be inserted

into and installed in the guide tube.

[12] Moreover, the mounting guide unit may further include an anti-separation nut that is screwed to an inner circumferential surface of the lower hinge fastening hole so as to prevent outward separation of the guide tube.

[13] Moreover, the anti-separation nut may be located

between an outer circumferential surface of the guide tube

and the inner circumferential surface of the lower hinge

fastening hole, and a hanging rib hung on the anti

separation nut may be formed on the outer circumferential

surface of the guide tube so as to extend outward in a

circumferential direction.

[14] Moreover, the arm unit may include: an outer mounting

block that is disposed to come into close contact with one

side of an outer circumferential surface of the support

pole; an inner mounting block that is disposed to come into

close contact with the other side of the outer

circumferential surface of the support pole and is fixed

with the outer mounting block by at least one or more fixing

bolts; and a clamp arm that extends from the inner mounting

block at a predetermined length in a direction orthogonal to

the support pole and constitutes a tip portion to which the

mounting space is provided.

[15] Moreover, at least one or more reinforcement ribs may

be formed at a connection part between the inner mounting

block and the clamp arm.

[16] Moreover, the clamp arm may be manufactured at multiple preset lengths so as to be installable in a different separation distance from the support pole depending on another antenna device, which is installed adjacent to the antenna device coupled to the tilting units, and surrounding interference bodies.

[17] Moreover, the clamping apparatus for an antenna may

further include a reinforcement wire unit having a

connecting wire, one end of which is fixed to a part of the

support pole which corresponds to an upper portion of the

arm unit, and the other end of which is fixed to the clamp

arm of the arm unit.

[18] Moreover, the reinforcement wire unit may be

selectively installed in consideration of fatigue strength

of a connection part between the inner mounting block and

the clamp arm depending on weight of the antenna device

coupled to the tilting unit and a length of the clamp arm.

[19] Moreover, at least one rotation guide part may be

formed at a tip portion of the clamp arm, to which the

mounting space is provided, in a slot hole shape so as to

guide a rotating motion of the rotation unit.

[20] Moreover, the rotation guide part may include: at

least one rotation guide slot that is formed in a

circumference having a common center with the hinge point;

and a rotation guide bolt that passes through the at least

one rotation guide slot from an outside and is fixed to the rotation unit.

[21] Moreover, a rotating angle label, which indicates a

position of the rotation guide bolt moved in the rotation

guide slot from a reference point at an angle, may be

attached to the tip portion of the clamp arm.

[22] Moreover, the rotation unit may include: tilting unit

installing stages to which the tilting unit is tiltably

coupled; a rotating block that is inserted into the mounting

space of the arm unit; and a connecting block that

interconnects the tilting unit installing stages and the

rotating block.

[23] Moreover, a rotating braking washer pad may be

interposed between the rotating block and the arm unit, and

tilting braking washer pads may be interposed between the

tilting unit installing stages and the tilting unit.

[24] Moreover, a rotating braking washer pad mounting

recess, to which the rotating braking washer pad is coupled

in a corresponding shape, may be formed in an upper surface

of the rotating block, and tilting braking washer pad

mounting recesses, to which the tilting braking washer pads

are coupled in a corresponding shape, may be formed in inner

lateral surfaces of the tilting unit installing stages.

[25] Moreover, a plurality of braking protrusions may be

formed to protrude from an upper surface of the rotating

braking washer pad and inner lateral surfaces of the tilting braking washer pads.

[26] Moreover, the tilting unit installing stages may be

provided apart from each other in a pair so as to extend

from left and right ends of the connecting block toward the

tilting unit, and tilting pins becoming a tilting center of

the tilting unit may be provided in outer lateral surfaces

of the tilting unit installing stages so as to be connected

with the tilting unit.

[27] Moreover, the tilting unit may include: antenna

coupling stages that are coupled with the antenna device;

and tilting blocks that are coupled to come into surface

contact with one outer lateral surface and the other outer

lateral surface of the rotation unit, and tilting guides may

be formed in a slot hole shape and be attached to the

tilting blocks so as to guide a tilting motion of the

tilting unit.

[28] Moreover, the tilting blocks may be tilted about

tilting pins that are provided to outer lateral surfaces of

tilting unit installing stages of the rotation unit so as to

become a tilting center of the tilting unit, and the tilting

guides may include: tilting guide slots that are formed on

circumferences having common centers with the tilting pins;

and tilting guide bolts that pass through the tilting guide

slots from an outside and are fixed to the rotation unit.

[29] Moreover, a tilting angle label, which indicates a position of each of the tilting guide bolts moved in each of the tilting guide slots from a reference point at an angle, may be attached to an outer lateral surface of each of the tilting blocks.

[30] Moreover, the tilting unit may further include an

expansion connector that is expanded to connect the antenna

coupling stage and the tilting block in a left-right

direction.

[31] Moreover, each of the antenna coupling stages may

come into surface contact with a plurality of places of any

one of a rear surface and a lateral surface of the antenna

device, and be fastened and fixed to fastening holes formed

in the plurality of places of any one of the rear surface

and the lateral surface of the antenna device via fastening

means.

[32] Moreover, each of the antenna coupling stages may

have at least two or more fastening flanges, in each of

which a U-shaped fastening hole having an open upper side is

formed, such that fixing screws, which are previously

fastened to a plurality of places of a lateral surface of

the antenna device in a temporarily fixed form, are hung

downward and then screwed.

[33] Moreover, the support pole may include: multiple

support rods that slantly extend downward from an outer

circumferential surface of the support pole and are radially spaced apart from one another at a predetermined angle; and supporting panels that are provided at tips of the multiple support rods and are supported and coupled to a ground or a wall.

[34] The term "comprising" as used in this specification

and claims means "consisting at least in part of". When

interpreting statements in this specification and claims

which include the term "comprising", other features besides

the features prefaced by this term in each statement can

also be present. Related terms such as "comprise" and

"comprised" are to be interpreted in similar manner.

[35] Reference may be made in the description to subject

matter which is not in the scope of the appended claims.

That subject matter should be readily identifiable by a

person skilled in the art and may assist putting into

practice the invention as defined in the appended claims.

[Advantageous Effects]

[36] An embodiment of the clamping apparatus for an

antenna according to the present disclosure can achieve the

following various effects.

[37] First, an arm unit is manufactured in various lengths

and is installed, and thereby spatial layout design of

multiple antenna devices installed on one support pole is

easy.

[38] Second, tilting and rotating motions of the antenna device are facilitated through a tilting unit and a rotation unit, and thus workability and frequency yield performance of the antenna device can be improved.

[Description of Drawings]

[39] FIG. 1 is a perspective view illustrating an example

of a state in which an antenna device is installed in an

embodiment of a clamping apparatus for an antenna according

to the present disclosure.

[40] FIG. 2 is a perspective view illustrating an

embodiment of a clamping apparatus for an antenna according

to the present disclosure.

[41] FIG. 3 is an exploded perspective view illustrating

the clamping apparatus of FIG. 2.

[42] FIG. 4 is an exploded perspective view illustrating a

tilting unit among the components of FIG. 2.

[43] FIG. 5 is an exploded perspective view illustrating a

rotation unit among the components of FIG. 2.

[44] FIG. 6 is an exploded perspective view illustrating

an arm unit among the components of FIG. 2.

[45] FIG. 7 is a top view of FIG. 2 which illustrates a

rotating motion caused by the rotation unit.

[46] FIG. 8 is a side view of FIG. 2 which illustrates a

tilting motion caused by the tilting unit.

[47] FIG. 9 is a sectional view taken along line A-A of

FIG. 8.

[48] FIG. 10 is a cutaway perspective view and an enlarged

view illustrating the mounting guide unit among the

components of FIG. 2.

[49] FIGS. llA to 11C are side sectional views

illustrating an operating state of the mounting guide unit

of FIG. 10

[50] FIG. 12 is a perspective view illustrating an example

of an installed state of the antenna device, as a

modification of the arm unit and the tilting unit among the

components of an embodiment of the clamping apparatus for an

antenna according to the present disclosure.

[51] FIG. 13 is an exploded perspective view of FIG. 12.

[52] FIGS. 14A and 14B are a perspective view and an

exploded perspective view illustrating a state in which the

antenna device is installed on the tilting unit of FIG. 12.

[53] FIG. 15 is a perspective view illustrating various

embodiments of the arm unit among the components of FIG. 2.

[54]

[55] [Description of Reference Numerals]

[56] 1: support pole 3: multiple support rods

[57] 5: supporting panel 50: clamping apparatus for

antenna

[58] 100: tilting unit 101: antenna coupling stage

[59] 102: guide slot mounting recess 103: tilting block

[60] 104: tilting braking washer pad mounting recess 107: reinforcement rib

[61] 108: fixing hole 109: tilting through-slot

[62] 110: fastening bolt 120: tilting braking washer pad

[63] 121: fastening hole 122: fastening screw

[64] 123: washer through-slot 125: braking protrusion

[65] 127: rotating pin through-hole 130: tilting guide

[66] 131: fastening hole 132: fastening screw

[67] 133: tilting guide slot140: tilting pin

[68] 150: tilting angle label 200: rotation unit

[69] 210: tilting unit installing stage 211: pad

installation recess

[70] 212: friction pad 213: friction pad installing hole

[71] 214: friction pad through-hole 215: flat head screw

[72] 217: rotating pin fastening hole 220: rotating block

[73] 220a: lower block 220b: upper block

[74] 220c: center block 221: rotating braking washer pad

mounting recess

[75] 222a: upper hinge fastening hole 222b: front guide

bolt fastening hole

[76] 222c: rear guide bolt fastening hole 225: fixing hole

[77] 230: connecting block 240: rotating braking washer

pad

[78] 241: braking protrusion 250: mounting guide unit

[79] 251: lower hinge fastening hole 252: internal thread

[80] 260: guide tube 261: hanging rib

[81] 270: anti-separation nut 271: external thread

[82] 280: elastic body 300: arm unit

[83] 310: outer mounting block 311: outer bolt through

hole

[84] 313: nut fastening part 320: inner mounting block

[85] 323: inner shape-fitting recess 325: fixing bolt

[86] 330: clamp arm 331: mounting space

[87] 333a: front guide slot 333b: rear guide slot

[88] 334a: lower hinge hole 334b: upper hinge hole

[89] 335: upper rotating pin 336a: front rotation guide

bolt

[90] 336b: rear rotation guide bolt 337: lower rotating

[91] 340: support block 341: support bolt through-hole

[92] 343: outer shape-fitting recess 350: rotating angle

label

[93] 360: fastening nut 400: reinforcement wire unit

[94]

[Best Model

[95] Hereinafter, an embodiment of a clamping apparatus

for an antenna according to the present disclosure will be

described in detail with reference to the accompanying

drawings. In adding reference numerals to the elements of

each drawing, it should be noted that the same elements have

the same reference numerals as much as possible even if they are displayed in different drawings. Moreover, in describing embodiments of the present disclosure, when it is determined that a detailed description of the related well known configuration or function hinders understanding of an embodiment of the present disclosure, the detailed description thereof will be omitted.

[96] Furthermore, in describing elements of an embodiment

of the present disclosure, terms, such as a first, a second,

A, B, (a) , and (b) , may be used. Such terms are used only

to distinguish one component from the other component, and

the essence, order, or sequence of a corresponding component

is not limited by the terms. All terms used herein,

including technical or scientific terms, have the same

meanings as those commonly understood by a person having

ordinary knowledge in the art to which the present

disclosure pertains, unless defined otherwise in the

specification. Terms, such as those commonly used and

defined in dictionaries, should be construed as having the

same meanings as those in the context of a related

technology, and are not construed as being ideal or

excessively formal unless explicitly defined otherwise in

the specification.

[97]

[98] FIG. 1 is a perspective view illustrating an example

of a state in which an antenna device is installed in an embodiment of a clamping apparatus for an antenna according to the present disclosure. FIG. 2 is a perspective view illustrating an embodiment of a clamping apparatus for an antenna according to the present disclosure. FIG. 3 is an exploded perspective view illustrating the clamping apparatus of FIG. 2. FIG. 4 is an exploded perspective view illustrating a tilting unit among the components of FIG. 2.

FIG. 5 is an exploded perspective view illustrating a

rotation unit among the components of FIG. 2. FIG. 6 is an

exploded perspective view illustrating an arm unit among the

components of FIG. 2

[99] Referring to FIGS. 1 to 6, an embodiment of a

clamping apparatus 50 for an antenna according to the

present disclosure includes an arm unit 300 that is

horizontally coupled to a support pole 1 that is fixed to

the ground in a vertical direction, a rotation unit 200 that

is coupled with the arm unit 300 and is coupled to be

rotatable about the arm unit 300 in a left-right direction,

and a tilting unit 100 that is coupled to the rotation unit

200 and is coupled to be tiltable in an up-down direction

while mediating coupling of an antenna device A.

[100] Referring to FIG. 1, the support pole 1 in an

embodiment of the present disclosure is implemented by being

fixed to the ground via multiple support rods 3 and multiple

supporting panels 5 in a vertical direction, and is implemented in such a manner that the arm unit 300 is horizontally coupled with the support pole so as to be perpendicular to the support pole.

[101] However, the support pole 1 is not necessarily

provided to the ground in a vertical direction, and may be

naturally coupled to a vertical wall of a building via the

multiple support rods 3 and the multiple supporting panels

5. In this case, the support pole 1 is provided

horizontally, and the arm unit 300 is perpendicular to the

support pole 1. However, various embodiments in which the

support pole 1 and the arm unit 300 are actually provided

horizontally or vertically can be expected.

[102] Hereinafter, the description is made on the

assumption that, referring to FIG. 1, to enable a direction

and its relevant term to be identical to each other, the

support pole 1 is fixed to the ground of a horizontal state

via the multiple support rods 3 and the multiple supporting

panels 5 in a vertical direction, and the description is

made within the limits of the case in which the arm unit 300

extends in a horizontal direction orthogonal to the support

pole 1. However, it is made clear in advance that an

embodiment of the present disclosure does not necessarily

limit these directions.

[103] The arm unit 300 serves to mediate coupling of the

antenna device A to the support pole 1. It can be understood that, as another meaning, the arm unit 300 serves to mediate coupling of the clamping apparatus 50 for an antenna, to which the antenna device A is coupled, to the support pole 1.

[104] The antenna device A coupled by the clamping

apparatus 50 for an antenna according to an embodiment of

the present disclosure may be the antenna device A to which

the Massive MIMO technology or the FD-MIMO technology in

which the 3D-Beamforming is possible, which is introduced in

the "Background Art" described previously, is applied.

[105] This arm unit 300 may be formed in such a form that

it is substantially coupled to one side and the other side

of an outer circumferential surface of the support pole 1 by

bolting and that it extends at a predetermined length in a

direction perpendicular to a lengthwise direction of the

support pole 1 and the antenna device A is installed spaced

apart from the support pole 1 by a predetermined length.

[106] The rotation unit 200 may be coupled to a tip portion

of the arm unit 300 so as to be rotatable in a left-right

direction. The rotation unit 200 is rotated about the tip

portion of the arm unit 300 in a left-right direction,

thereby serving to substantially facilitate directivity

design of the left-right direction of the antenna device A

coupled to the tilting unit 100.

[107] Moreover, the tilting unit 100 is coupled to a tip portion of the rotation unit 200 so as to be tiltable in an up-down direction. The tilting unit 100 is tilted about the tip portion of the rotation unit 200 in an up-down direction, thereby serving to substantially facilitate directivity design of the up-down direction of the antenna device A coupled to the tilting unit 100.

[108] In this way, an embodiment of the clamping apparatus

50 for an antenna according to the present disclosure

enables angle fixation with respect to a radiation direction

of radio waves radiated from a front surface of the antenna

device A coupled to the support pole 1 by rotating the

antenna device A in a left-right direction using the

rotation unit 200, as well as by tilting the antenna device

A in an up-down direction using the tilting unit 100. A

state of the angle fixation caused by the rotation unit 200

and the tilting unit 100 will be described below in greater

detail.

[109] Hereinafter, for the convenience of understanding,

the description will be made by defining a front direction

of the antenna device A as "front", defining the opposite

direction as "rear", defining a left side of the front as

"leftward direction" and a right side of the front as

"rightward direction", and defining an upper side of the

antenna device A as "upward direction" and a lower side of

the antenna device A as "downward direction".

[110] Hereinafter, the description will be made in greater

detail from an adjacent component centering on the antenna

device A.

[111] Referring to FIGS. 1 to 6, the antenna device A is

coupled to a tip portion of the tilting unit 100. More

specifically, the antenna device A is coupled to the tip

portion of the rotation unit 200 such that the tilting unit

100 is tiltable in a state coupled to the tip portion of the

tilting unit 100. In this state, referring to FIG. 3, the

rotation unit 200 is mounted in a mounting space 331 that is

provided at the tip portion of the arm unit 300 fixed to the

support pole 1, whereby, referring to FIG. 2, the

installation of the antenna device A based on an embodiment

of the clamping apparatus 50 for an antenna according to the

present disclosure can be completed.

[112] Here, referring to FIG. 4, the tilting unit 100 may

include antenna coupling stages 101 that are coupled with

the antenna device A, and tilting blocks 103, each of which

extends to the rear where the rotation unit 200 is provided

and is coupled to come into surface contact with one outer

lateral surface or the other outer lateral surface of the

rotation unit 200.

[113] Each of the antenna coupling stages 101 is a part

that comes into close contact with a rear surface of the

antenna device A and has bolt through-holes 110a formed to be able to be bolted by fastening bolts 110. Referring to

FIG. 4, two bolt through-holes 110a may be formed spaced

apart from each other up and down by a predetermined

distance.

[114] Referring to FIG. 4, each of the tilting blocks 103

is a part that has a surface orthogonal to a coupling

surface of each of the antenna coupling stages 101 and is

substantially coupled to a left or right lateral surface of

the tip portion of the rotation unit 200.

[115] Multiple reinforcement ribs 107 are provided between

each of the tilting blocks 103 and each of the antenna

coupling stages 101, and can improve durability by

reinforcing a mechanical fatigue caused by weight of the

antenna device A or wind around the antenna device A.

[116] Each of the tilting blocks 103 may be configured such

that a tilting guide 130, which is formed in a slotted plate

shape so as to guide the tilting motion of the tilting unit

100, is attached to an outer lateral surface thereof

opposite to an inner lateral surface thereof which comes

into close contact with the left or right lateral surface of

the tip portion of the rotation unit 200. In addition, each

of the tilting blocks 103 may be configured such that a

tilting pin 140 is provided to the inner surface thereof

which comes into close contact with the left or right

lateral surface of the tip portion of the rotation unit 200 so as to become a tilting center of the tilting unit 100.

[117] Each of the tilting guides 130 may include a tilting

guide slot 133 that is formed in the same circumference

thereof centering on the tilting pin 140, and a tilting

guide bolt 135 that passes through the tilting guide slot

133 from the outside and is fixed to the rotation unit 200.

[118] Each of the tilting guides 130 may be provided in a

plate shape corresponding to a shape of a guide slot

mounting recess 102 that is formed to be recessed in the

same depth toward an inner lateral surface from an outer

lateral surface of the tilting block 103, and the tilting

guide slot 133 may be formed to pass through the tilting

guide 130 in a left-right direction. Fixing holes 102', to

which fastening screws 132 provided in the form of a flat

head screw are fastened to pass through fastening holes 131

formed in the tilting guide 130, may be formed in the guide

slot mounting recess 102.

[119] Here, the tilting guide slot 133 formed in the

tilting guide 130 is formed in the same circumference having

a common center with the tilting pin 140, and may be formed

to have a circumferential surface on which the tilting unit

100is tiltable upward and downward on the basis of the

horizon at a maximum angle of 40 degrees.

[120] Referring to FIG. 3, a tilting angle label 150, which

indicates a position of the tilting guide bolt 135 moving in the tilting guide slot 133 from a reference point at an angle, may be attached to a part of an outer lateral surface of the tilting block 103 which corresponds to one side of the tilting guide 130.

[121] Here, the reference point for the position of the

tilting guide bolt 135 refers to a horizontal state in which

no tilting motion of the tilting block 103 is performed and

is indicated by "0 degree", and the tilting angle may be

indicated with respect to each of upward tilting and

downward tilting at angular intervals of 5° or 10°.

Therefore, an installation worker mounts the antenna device

A on the tilting unit 100, and then fixes the tilting unit

100 by tilting the tilting unit 100 at an accurate position

through the tilting angle label 150, whereby reliability of

installation work of the antenna device A can be improved.

[122] The tilting pin 140 is a kind of bolt that is

installed to pass through the tilting block 103 from an

outside to an inside of the tilting block 103, is fixed to

the outer lateral surface of the rotation unit 200 like a

hinge, and becomes a tilting center of the tilting unit 100.

[123] The tilting unit 100 may be provided in a pair so as

to be coupled to tilting unit installing stages 210 provided

left and right in a pair among the components of the

rotation unit 200. Therefore, the description is made on

the assumption that components of the tilting unit 100 described above and components of the tilting unit 100 to be described below are provided in bilateral symmetry in a pair unless defined otherwise.

[124] Meanwhile, tilting braking washer pads 120 may be

interposed between inner lateral surfaces of the tilting

blocks 103 and outer lateral surfaces of the rotation unit

200 (preferably, outer lateral surfaces of the tilting unit

installing stages 210). Each of the tilting braking washer

pads 120 may be fastened to a tilting braking washer pad

mounting recess 104 recessed in the inner lateral surface of

the tilting block 103 so as to correspond to a shape of the

tilting braking washer pad mounting recess 104 by a process

of fastening screws 122 provided in the form of a flat head

screw passing through and being fastened to fastening holes

121 formed across left and right and fixing holes 108 formed

in the inner lateral surface of the tilting block 103.

[125] A plurality of braking protrusions 125 are formed on

an inner lateral surface of each of the tilting braking

washer pads 120 so as to protrude inward, thereby serving to

prevent the antenna device A from being arbitrarily tilted

by weight of the antenna device A and an external force such

as a wind blowing around the antenna device A by forming a

predetermined friction force between the inner lateral

surface of the tilting braking washer pad 120 and the outer

lateral surface of the rotation unit 200during the tilting motion of the tilting unit 100. As will be described below, friction pads 212 are installed on the outer lateral surfaces of the tilting unit installing stages 210 of the rotation unit 200, thereby forming a mutual friction force with the tilting braking washer pads 120.

[126] A washer through-slot 123, through and to which the

tilting guide bolt 135 can pass and be fastened, may be

formed in each of the tilting braking washer pads 120 in a

shape corresponding to the tilting guide slot 133. In

addition, a tilting through-slot 109 having a shape

corresponding to the tilting guide slot 133 may be formed in

the tilting block 103. The tilting guide bolt 135 is a bolt

that is fixedly fastened to the left or right lateral

surface of the tip portion of the rotation unit 200, and may

pass through the tilting guide slot 133, the tilting

through-slot 109, and the washer through-slot 123 in turn

and be fixedly fastened to the left or right lateral surface

of the tip portion of the rotation unit 200.

[127] If a predetermined tilting external force is provided

to the tilting blocks 103 having this configuration when

upward/downward tilting of the antenna device A coupled to

tip portions of the tilting blocks 103 is required, after an

upward or downward tilting motion is performed within a

tilting angle range of the tilting guide slots 133 when an

external force exceeding a friction force of the tilting braking washer pads 120 is provided, the tilting blocks 103 can be fixed.

[128] Meanwhile, referring to FIG. 5, the rotation unit 200

may include tilting unit installing stages 210 to which the

tilting unit 100 is tiltably coupled, a rotating block 220

that is inserted into a mounting space 331 of the arm unit

300, and a connecting block 230 that interconnects the

tilting unit installing stages 210 and the rotating block

220.

[129] Here, the tilting unit installing stages 210 are

provided apart from each other in a pair so as to extend

from left and right ends of the connecting block 230 toward

the tilting unit 100. As described above, the tilting pins

140 acting as the tilting center of the tilting unit 100 may

be provided on outer lateral surfaces of the tilting unit

installing stages 210 so as to be connected with the tilting

unit 100.

[130] That is, the above-described tilting blocks 103 of

the tilting unit 100 are installed on the outer lateral

surfaces of the tilting unit installing stages 210 of the

rotation unit 200, and may be provided in a pair like the

tilting unit installing stages 210.

[131] As described above, the tilting guide bolts 135 are

fixed to the outer lateral surfaces of the tilting unit

installing stages 210 so as to pass through the tilting blocks 103, the tilting guides 130, and the tilting braking washer pads 120 of the tilting unit 100, and tilting pin fastening holes 217 may be formed in the tilting unit installing stages 210 such that the tilting pins 140 pass through and be fastened to the tilting blocks 103 of the tilting unit 100.

[132] In addition, the friction pads 212, which provide

friction surfaces against which the braking protrusions 125

of the tilting braking washer pads 120 are rubbed, may be

installed in pad installation recesses 211 of the outer

lateral surfaces of the tilting unit installing stages 210

by flat head screws 215. The flat head screws 215 may

install and fix the friction pads 212 by passing through

friction pad installing holes 213 formed in the friction

pads 212 and being fastened and fixed to friction pad fixing

holes 219 of the tilting unit installing stages 210.

Therefore, the friction pads 212 can be easily replaced when

worn by a continuous tilting motion.

[133] Meanwhile, among the components of the rotation unit

200, a rotating block 220 is a part which is inserted into

and installed in the mounting space 331 provided in the tip

portion of the arm unit 300 in a hollow form, and which

enables the rotation unit 200 to be rotated in the mounting

space 331 in a left-right direction.

[134] Referring to FIG. 5, the rotating block 220 may include a lower block 220a that comes into close contact with a lower surface of the mounting space 331 of the arm unit 300, an upper block 220b that is provided at an upper side of the lower block 220a so as to be separated at a predetermined distance and comes into close contact with an upper surface of the mounting space 331, and a center block

220c that interconnects the lower block 220a and the upper

block 220b.

[135] Meanwhile, referring to FIG. 5, a rotating braking

washer pad 240 performing the same function as the above

described tilting braking washer pads 120 may be interposed

between the rotating block 220 and the arm unit 300.

[136] More specifically, if each of the tilting braking

washer pads 120 is installed between the tilting unit

installing stage 210 and the tilting unit 100 and produces a

predetermined friction force during a tilting motion, the

rotating braking washer pad 240 can produce a predetermined

friction force between the rotating block 220 and the arm

unit 300 during a rotating motion in a left-right direction

and serve to prevent the antenna device A from being moved

in a left-right direction by an arbitrary external force.

[137] The rotating braking washer pad 240 may be mounted in

a rotating braking washer pad mounting recess 221, which is

formed to be recessed from an upper surface of the upper

block 220b among the components of the rotating block 220, in a corresponding shape. Fastening holes 243 through which flat head screws 245 pass are provided in the rotating braking washer pad 240 so as to be across up and down, and fixing holes 225 to which the flat head screws 245 are fastened and fixed are formed in a part corresponding to the rotating braking washer pad mounting recess 221. The rotating braking washer pad 240 can be fixed to the rotating braking washer pad mounting recess 221 by a process of the flat head screws 245 being fastened to the fastening holes

243 and the fixing holes 225 in turn.

[138] A plurality of braking protrusions 241 are provided

on an upper surface of the rotating braking washer pad 240,

and produce the above-described friction force between the

upper surface of the rotating braking washer pad 240 and the

upper surface of the hollow mounting space 331.

[139] Meanwhile, referring to FIG. 5, an upper hinge

fastening hole 222a, which forms a hinge point to which an

upper rotating pin (see a reference numeral 335 of FIG. 6)

is fastened, may be formed in the upper block 220b among the

components of the rotating block 220, and a front guide bolt

fastening hole 222b and a rear guide bolt fastening hole

222c to which a front rotation guide bolt 336a and a rear

rotation guide bolt 336b, which are provided to guide

leftward and rightward rotating motions of the rotation unit

200 acting as one component of the rotation guide of the arm unit 300 (to be described below), are fastened may be formed in the upper block 220b. In addition, because the upper rotating pin 335, the front rotation guide bolt 336a, and the rear rotation guide bolt 336b are also through-fastened to the rotating braking washer pad 240, an upper hinge through-hole 242a, a front guide bolt through-hole 242b, and a rear guide bolt through-hole 242b may be formed in the rotating braking washer pad 240.

[140] A lower hinge fastening hole (see a reference numeral

251 of FIG. 10) in which a mounting guide unit (to be

described below) is provided may be provided in the lower

block 220aamong the components of the rotating block 220.

[141] Meanwhile, the clamping apparatus 50 for an antenna

according to an embodiment of the present disclosure may

further include a mounting guide unit (see a reference

numeral 250 of FIG. 10) provided to the lower block 220a

among the components of the rotating block 220.

[142] The mounting guide unit 250 is provided to the

rotation unit 200, and serves to be temporarily fixed to the

lower hinge fastening hole 251 that forms the hinge point in

the mounting space 331 after being elastically compressed

when the rotation unit 200 is mounted in the mounting space

331 of the arm unit 300. Therefore, with the antenna device

A, which is a predetermined weight body, coupled to the tip

portion of the tilting unit 100, the rotation unit 200 can be more easily fixed to the arm unit 300 along with the tilting unit 100. This mounting guide unit 250 will be described in detail after the arm unit 300 is described first.

[143] Meanwhile, referring to FIG. 6, the arm unit 300 may

include an outer mounting block 310 that is disposed to come

into close contact with one side of an outer circumferential

surface of the support pole 1, an inner mounting block 320

that is disposed to come into close contact with the other

side of the outer circumferential surface of the support

pole 1 and is fixed with the outer mounting block 310 by at

least one or more fixing bolts325, and a clamp arm 330 that

extends from the inner mounting block 320 at a predetermined

length in a direction orthogonal to the support pole 1 and

constitutes a tip portion to which the mounting space 331 is

provided.

[144] The outer mounting block 310 may be formed of a steel

material, and may form a frame. A support block 340, in

which an outer shape-fitting recess 343, which is a part

that substantially corresponds to a shape of the one side of

the outer circumferential surface of the support pole 1, is

formed and which is formed of an elastic material having a

high friction force such that a slip is not generated

between the support block 340 and the support pole lto come

into close contact, may be coupled to the outer mounting block 310 so as to be disposed between the outer mounting block 310 and the support pole 1.

[145] At least one or more outer bolt through-holes 311

through which fixing bolts 325 pass may be formed in left

and right opposite ends of the outer mounting block 310 so

as to be spaced up and down. Support bolt through-holes 341

may also be formed in the support block 340 at positions

corresponding to the outer bolt through-holes 311. Inner

bolt through-holes 321 may also be formed in the inner

mounting block 320 at positions corresponding to the outer

bolt through-holes 311 and the support bolt through-holes

341.

[146] The outer mounting block 310, the support block 340,

and the inner mounting block 320 are fastened such that the

fixing bolts 325 pass through the inner bolt through-holes

321, the support bolt through-holes 341, and the outer bolt

through-holes 311 from the side of the inner mounting block

320 in turn, and then are firmly fastened using fastening

nuts 360, whereby the antenna device A can be stably

supported.

[147] Here, the fastening nuts 360 are fastened to nut

fastening parts 313, which are formed as empty spaces

between the outer bolt through-holes 311 of the outer

mounting block 310 and the support bolt through-holes341, in

a hidden state, and thereby can be provided such that arbitrary disassembly is made difficult by a third person.

[148] Among the components of the support block 340, the

outer shape-fitting recess 343, which is a part that

substantially comes into close contact with the one side of

the outer circumferential surface of the support pole 1, may

be formed to be recessed in a shape corresponding to the

outer circumferential surface of the support pole 1 in order

to improve a close contact area with respect to the support

pole 1 having a circular cross section. In addition, the

outer shape-fitting recess 343 may be serration-machined

such that multiple serration ribs are formed for a stronger

friction force while being compressed on the outer

circumferential surface of the support pole 1 by a fastening

force from the fixing bolts 325 and the fastening nuts 360.

[149] Meanwhile, an inner shape-fitting recess 323

corresponding to the outer shape-fitting recess 343 of the

support block 340 may be formed in an outer lateral surface

of the inner mounting block 320, i.e. a surface that

substantially comes into close contact with the support pole

1. The inner mounting block 320 is formed of a steel

material for support rigidity. However, regardless of this,

the inner shape-fitting recess 323 may also be subjected to

serration machining such that multiple serration ribs are

formed to prevent a slip from being generated between the

inner mounting block 320 and the support pole 1.

[150] The inner mounting block 320 and the clamp arm 330

may be integrally molded. Here, the inner mounting block

320 may be formed such that an up-down-left-right area

(i.e., a front area) thereof is relatively larger than that

occupied by the clamp arm 330. In addition, depending on an

embodiment, a tip portion of the clamp arm 330 may be formed

to have various distances spaced apart from the support pole

1 (see FIG. 15 to be described below).

[151] When a length of the clamp arm 330 is relatively

short, weight of the antenna device A can be sufficiently

supported by an integral molding method of a connecting part

between the inner mounting block 320 and the clamp arm 330.

However, when the length of the clamp arm 330 is relatively

long, at least one or more reinforcement ribs (see a

reference numeral 380 of FIG. 12) may be formed at the

connecting part between the inner mounting block 320 and the

clamp arm 330.

[152] Furthermore, in the case where the length of the

clamp arm 330 is formed relatively long, i.e. in the case

where fatigue strength of the connecting part between the

inner mounting block 320 and the clamp arm 330 due to the

weight of the antenna device coupled to the tilting unit 100

and the length of the clamp arm 330 is not satisfied only by

the formation of at least one or more above-described

reinforcement ribs 380, the fatigue strength should be reinforced. To this end, the clamping apparatus 50 for an antenna according to an embodiment of the present disclosure may further include a reinforcement wire unit (see a reference numeral 400 of FIGS. 12, 13, and 15 to be described below).

[153] The reinforcement wire unit 400 may include a

connecting wire 420, one end of which is fixed to a part of

the support pole 1 which corresponds to an upper portion of

the arm unit 300, and the other end of which is fixed to the

clamp arm 330 of the arm unit 300. An installing bracket

410 and a one-side connecting ring 411 to which the one end

of the connecting wire 420 is connected may be provided to

the part of the support pole 1, and the other-side

connecting ring 412 to which the other end of the connecting

wire 420 is connected may be provided to a tip portion of

the clamp arm 330 of the arm unit 300.

[154] As described above, this reinforcement wire unit 400

may be selectively installed in consideration of the length

of the clamp arm 330 manufactured to have various lengths,

the weight of the antenna device coupled to the tilting unit

100, and the fatigue strength of the connecting part between

the inner mounting block 320 and the clamp arm 330.

[155] An embodiment of the clamping apparatus 50 for an

antenna according to the present disclosure is configured

such that the clamp arm 330 as one component of the arm unit

300 is provided to have various lengths, thereby providing

an advantage that causes installation work to be more easily

completed while removing spatial limitations on multiple

antenna devices (regardless of whether or not they are

antenna devices of the same communication company) installed

on one support pole 1.

[156] Meanwhile, referring to FIG. 6, the mounting space

331 into which the rotating block 220 of the rotation unit

200 is rotably inserted and installed is provided to the tip

portion of the clamp arm 330. The clamp arm 330 is formed

in the shape of a pipe which has an approximately

rectangular vertical section and which has an empty space

therein, and the empty space may be defined as the mounting

space 331.

[157] A lower hinge hole 334a provided in the shape of a

fastening hole, into which a lower rotating pin 337 (to be

described below) is inserted and then is inserted into and

fixed in the lower hinge fastening hole 251 formed in the

lower block 220a of the rotating block 220, may be formed in

a lower surface of the mounting space 331 so as to be across

up and down.

[158] Moreover, an upper hinge hole 334b provided in the

shape of a fastening hole, into which an upper rotating pin

335 (to be described below) is inserted and then is inserted

into and fixed in the upper hinge fastening hole 222a formed in the upper block 220b of the rotating block 220, may be formed in an upper surface of the mounting space 331 so as to be across up and down.

[159] In addition, at least one rotation guide part 333 may

be formed on an upper surface of the mounting space 331 in a

slot hole shape so as to guide a rotating motion of the

rotation unit 200, and be formed at front and rear sides of

the upper hinge hole 334b so as to be spaced apart from the

front and rear sides.

[160] Here, the rotation guide part 333 may include at

least one rotation guide slot 333a and 333b that are formed

on the same circumference in common with the upper hinge

hole 334b acting as the above-described hinge point, and

rotation guide bolts 336a and 336b that pass through the at

least one rotation guide slot 333a and 333b from the outside

and are fixed to the rotation unit 200.

[161] As described above, the rotation guide slots 333a and

333b may include a front guide slot 333a that is formed at a

front side on the basis of the upper hinge hole334b, and a

rear guide slot 333b that is formed at a rear side on the

basis of the upper hinge hole 334b.

[162] In addition, the rotation guide bolts 336a and 336b

may also include a front rotation guide bolt 336a that is

inserted into and passes through the front guide slot 333a

and is inserted into and fastened to the front guide bolt fastening hole 242b of the upper block 220b among the components of the rotation unit 200, and a rear rotation guide bolt 336b that is inserted into and passes through the rear guide slot 333b and is inserted into and fastened to the rear guide bolt fastening hole 242c of the upper block

220b among the components of the rotation unit 200.

[163] Therefore, the rotation unit 200 can be rotated while

being subjected to guidance and restriction of the front

guide slot 333a and the rear guide slot 333b located at the

front side and the rear side centering on the lower hinge

hole 334a and the upper hinge hole 334b which form hinge

points to which the lower rotating pin 337 and the upper

rotating pin 335 are coupled when a worker provides an

external force for a rotating motion in any one of leftward

and rightward directions to the antenna device A coupled to

the tilting unit 100. In this case, a friction force caused

by the rotating braking washer pad 240 provided between the

rotating block 220 and the arm unit 300 is applied, whereby

an arbitrary rotating motion caused by an external force

other than the external force of the worker can be

prevented.

[164] Meanwhile, a rotating angle label 350, which

indicates positions of the rotation guide bolts 336a and

336b moving in the rotation guide slots 333a and 333b from a

reference point at an angle, may be attached to the tip portion of the clamp arm 330. The rotating angle label 350 is provided in the same form as the tilting angle label 150 to be provided to the tilting unit 100, and detailed description thereof will be omitted.

[165] FIG. 7 is a top view of FIG. 2 which illustrates a

rotating motion caused by the rotation unit 200. FIG. 8 is

a side view of FIG. 2 which illustrates a tilting motion

caused by the tilting unit 100. FIG. 9 is a sectional view

taken along line A-A of FIG. 8.

[166] Referring to FIGS. 7 to 9, the rotating and tilting

motions of the clamping apparatus 50 for an antenna

according to an embodiment of the present disclosure will be

described below in geater detail.

[167] First, looking at the rotating motion, in a state in

which the antenna device A is coupled to the tip portion of

the tilting unit 100, when a predetermined external force is

applied to the antenna device A or the rotation unit 200 as

illustrated in FIGS. 7 and 9, the rotation unit 200is

rotated in such a way that the front rotation guide bolt

336a and the rear rotation guide bolt 336b are rotated

within a range of the front guide slot 333a and a range of

the rear guide slot 333b on the basis of the hinge point

(see a reference numeral 335 indicating the upper rotating

pin in FIG. 7) in the mounting space 331 of the clamp arm

330 of the arm unit 300.

[168] In this case, predetermined moment based on the

support pole 1 is applied to the rotation unit 200 including

the antenna device A, but the outer shape-fitting recess 343

and the inner shape-fitting recess 323 formed in the arm

unit 300 are formed by serration machining and are firmly

coupled to the support pole 1 in close contact with the

support pole 1, whereby arbitrary movement during the

rotating motion can be prevented.

[169] After a rotating angle for the antenna device A is

adjusted, an arbitrary rotating motion is prevented by the

rotating braking washer pad 240 provided between the arm

unit 300 and the rotation unit 200, whereby reliability of

work is increased.

[170] Next, looking at the tilting motion, in a state in

which the antenna device A is coupled to the tip portion of

the tilting unit 100, when a predetermined external force is

applied to the antenna device A or the tilting unit 100 as

illustrated in FIGS. 8 and 9, the tilting unit 100 is tilted

in such a way that the tilting guide bolts 135 are

relatively tilted within ranges of the tilting guide slots

133 of the tilting guides 130 on the basis of the tilting

pins 140. Here, it should be noted that it is described

that the tilting guide bolts 135 are in a state fixed to the

rotation unit 200, thus are not substantially moved, and are

relatively tilted by the tilting motion of the tilting unit

100.

[171] After a tilting angle for the antenna device A is

adjusted, an arbitrary tilting motion is prevented by the

tilting braking washer pads 120 provided between the

rotation unit 200 and the tilting unit 100, whereby

reliability of work is increased.

[172] FIG. 10 is a cutaway perspective view and an enlarged

view illustrating the mounting guide unit among the

components of FIG. 2, and FIGS. llA to 11C are side

sectional views illustrating an operating state of the

mounting guide unit of FIG. 10.

[173] Referring to FIGS. 10 to 11C, the clamping apparatus

50 for an antenna according to an embodiment of the present

disclosure may further include the mounting guide unit

250provided to the rotation unit 200.

[174] Referring to FIG. 10, the mounting guide unit 250 may

include a guide tube 260that is provided such that an outer

end thereof can protrude outward from the lower hinge

fastening hole 251, which is provided such that a part of

the rotation unit 200 which corresponds to a hinge point in

the mounting space 331 is recessed upward, at a

predetermined length, and an elastic body 280 that

elastically supports the guide tube 260 in an outward

direction of the rotation unit 200.

[175] Here, the mounting guide unit 250 may be provided to the lower hinge fastening hole251 formed in the lower block

220a of the rotation unit 200. In addition, the elastic

body 280 may be provided as a coil spring that is interposed

between an outer circumferential surface of the guide tube

260 and an inner circumferential surface of the lower hinge

fastening hole 251.

[176] Internal threads 252 are formed on an inner

circumferential surface (i.e. an inner circumferential

surface adjacent to the outside) of a lower end of the lower

hinge fastening hole251. The mounting guide unit 250 may

further include an anti-separation nut 270 that is screwed

to the internal threads 252 formed in the inner

circumferential surface of the lower hinge fastening hole

251 so as to prevent outward separation of the guide tube

260.

[177] This anti-separation nut 270 is located between the

outer circumferential surface of the guide tube 260 and the

inner circumferential surface of the lower hinge fastening

hole 251, and a hanging rib 261 hung on the anti-separation

nut 270 may be formed radially outward on the outer

circumferential surface of the guide tube 260 so as to

extend in a circumferential direction. One end of the

elastic body 280 interposed between the outer

circumferential surface of the guide tube 260 and the inner

circumferential surface of the lower hinge fastening hole

251 may be fixedly supported on an upper side of the hanging

rib 261.

[178] An outer end of the guide tube 260 may protrude at a

length at which the guide tube 260 can be inserted into and

caught in the hinge hole (i.e., the lower hinge hole 334a)

formed at the hinge point in the mounting space 331 of the

arm unit 300.

[179] Referring to FIG. 11A, the mounting guide unit 250

provided in this way is illustrated before the tilting unit

100 to which the antenna device A is coupled and the

rotation unit 200 are mounted on the arm unit 300, and the

guide tube 260 maintains a state protruding outward from the

lower hinge fastening hole 251 at a predetermined length.

[180] Next, referring to FIG. 11B, the mounting guide unit

250 is inserted into a lower surface of a work space after a

worker arbitrarily pushes the guide tube 260 into the lower

hinge fastening hole 251 in order to insert and install the

rotating block 220 of the rotation unit 200 into and in the

mounting space 331.

[181] Finally, if the worker continuously inserts the

tilting unit 100 to which the antenna device A is coupled

and the rotation unit 200 into the mounting space 331, the

guide tube 260 is inserted into the lower hinge hole 334a by

an elastic force of the elastic body 280 at a side where the

lower hinge hole 334a is located, whereby temporary fixing is completed. Assembly work may be completed by a process of causing the lower rotating pin 337 to pass through the lower hinge hole 334a from the outside and to be fastened to the lower hinge fastening hole 251.

[182] In this way, the clamping apparatus 50 for an antenna

according to an embodiment of the present disclosure can

greatly improve work performance in the field by coupling

the antenna device A provided as a somewhat large weight

body to the tilting unit 100 to which the antenna device A

is coupled, and by coupling the rotation unit 200 to the arm

unit 300 through the mounting guide unit 250 by a one-touch

coupling method.

[183] FIG. 12 is a perspective view illustrating an example

of an installed state of the antenna device, as a

modification of the arm unit and the tilting unit among the

components of an embodiment of the clamping apparatus 50 for

an antenna according to the present disclosure. FIG. 13 is

an exploded perspective view of FIG. 12. FIGS. 14A and 14B

are a perspective view and an exploded perspective view

illustrating a state in which the antenna device is

installed on the tilting unit of FIG. 12.

[184] Referring to FIGS. 12 to 14B, the tilting unit 100 on

which the antenna device A is substantially installed may

further include an expansion connector 105 that is expanded

to connect the antenna coupling stage 101 and the tilting block 103 in a left-right direction.

[185] When a vertical length of the antenna device A is

relatively larger, the expansion connector 105 is an

additional component for improving a coupling force with

respect to the antenna device A. That is, as a difference

from the tilting unit 100 illustrated in FIGS. 1 to 11C, the

tilting unit 100 illustrated in FIGS. 12 to 14B may have an

additional advantage in that fastening points can be formed

at multiple parts of the antenna device A, the vertical

length of which is formed relatively long.

[186] The expansion connector 105 is bent to have surfaces

orthogonal to the antenna coupling stage 101 and the tilting

block 103, and may include multiple reinforcement ribs 107

that are additionally formed in the front in order to

reinforce mechanical fatigue strength with respect to the

weight of the antenna device A.

[187] Meanwhile, referring to FIGS. 13 to 14B, the antenna

coupling stage 101 may have at least two or more fastening

flanges 106 in which U-shaped fastening holes 106' having

open upper sides are formed such that fixing screws 110' ,

which are previously fastened to a plurality of places 21 of

lateral surfaces of the antenna device A in a temporarily

fixed form, are hung downward and then screwed.

[188] In FIG. 13 illustrated as a modification of the

tilting unit 100, the fastening flanges 106 are provided at left upper and lower ends and right upper and lower ends of the antenna coupling stages 101 so as to be spaced apart from each other, and fastening flanges (not indicated by a reference numeral), in which ordinary fastening holes

101' different from the U-shaped fastening holes 106' are

formed in left and right middle parts of the antenna

coupling stages 101, are provided, so that the antenna

coupling stages 101 can be provided to be coupled with the

antenna device A in a total of six places.

[189] Here, referring to FIG. 14B, the antenna coupling

stages 101 of the tilting unit 100 are moved from below to

above the fixing screws 110' that are previously fastened to

screwing holes 22 formed in the plurality of places 21 of

the lateral surfaces of the antenna device A in a

temporarily fixed form, and the fixed fixing screws 110' are

hung on the U-shaped fastening holes 106' of the antenna

coupling stages 101, and can be turned and firmly fixed.

[190] In this way, the expansion connectors 105 provide an

advantage in that they are fixed to the screwing holes 22

provided adjacent to ends of the antenna device A and thus

the antenna device A in which a left-right width or an up

down length thereof is formed long on the whole can be

stably installed in equilibrium.

[191] Meanwhile, referring to FIGS. 1 and 12, the support

pole 1 may be provided with multiple support rods 3 that slantly extend downward from an outer circumferential surface of the support pole 1 and are radially spaced apart from one another at a predetermined angle, and supporting panels 5 that are provided at tips of the multiple support rods 3 and are supported and coupled to a ground or a wall.

[192] The multiple support rods 3 may be fixed to the

support pole 1 by welding and be formed integrally with the

support pole 1, as well as the multiple support rods 3 may

be separately manufactured to be coupled to the support pole

1 by various coupling methods such as a bolting method.

[193] Further, the supporting panels 5 may include bolt

fastening holes (not illustrated) that are coupled to the

ground or the wall using fastening members such as bolts.

[194] FIG. 15 is a perspective view illustrating various

embodiments of the arm unit among the components of FIG. 2.

[195] Referring to FIG. 15, in an embodiment of the

clamping apparatus 50 for an antenna according to the

present disclosure, the arm unit 300 may be manufactured at

various lengths such that a separation distance between the

support pole 1 and the antenna device A differs.

[196] Here, as the length of the arm unit 300 becomes

relatively longer, fatigue strength caused by the weight of

the antenna device A coupled to the tip portion of the

tilting unit 100 and the length of the arm unit 300 itself

is taken into consideration, and it goes without saying that, as described above, the reinforcement ribs 380 and the reinforcement wire unit 400 can be selectively provided.

[197] More specifically, referring to FIG. 15, when the

length of the clamp arm 330 is formed relatively long, and

when fatigue strength of the connection part between the

inner mounting block 320 and the clamp arm 330 depending on

the weight of the antenna device A coupled to the tilting

unit 100 and the length of the clamp arm 330 is not

satisfied only by the formation of the at least one or more

above-described reinforcement ribs 380, the clamping

apparatus 50 for an antenna according to an embodiment of

the present disclosure may further include the reinforcement

wire unit 400 for reinforcing this.

[198] The reinforcement wire unit 400 may provided with a

connecting wire 420, one end of which is fixed to a part of

the support pole 1 which corresponds to an upper portion of

the arm unit 300, and the other end of which is fixed to the

clamp arm 330 of the arm unit 300. An installing bracket

410 and a one-side connecting ring 411 for connecting the

one end of the connecting wire 420 may be provided to the

part of the support pole 1, and the other-side connecting

ring 412 for connecting the other end of the connecting wire

420 may be provided to the tip portion of the clamp arm 330

of the arm unit 300.

[199] As described above, this reinforcement wire unit 400 may be selectively installed in consideration of the fatigue strength of the connection part between the inner mounting block 320 and the clamp arm 330 depending on the length of the clamp arm 330 manufactured to have various lengths and the weight of the antenna device A coupled to the tilting unit 100.

[200] An embodiment of the clamping apparatus 50 for an

antenna according to the present disclosure includes the

clamp arm 330 as one component of the arm unit 300 so as to

have various lengths, thereby providing an advantage that

causes installation work to be more easily completed while

removing spatial limitations on multiple antenna devices A

(regardless of whether or not they are antenna devices of

the same communication company) installed on one support

pole 1.

[201] An embodiment of the clamping apparatus for an

antenna according to the present disclosure has been

described in detail with reference to the accompanying

drawings. However, it goes without saying that embodiments

of the present disclosure are not necessarily restricted by

the embodiment described above and can be modified and

carried out in an equivalent range by those skilled in the

art to which the present disclosure pertains. Therefore,

the scope of rights of the present disclosure will be

defined by the following claims.

[Industrial Applicability]

[202] The present disclosure provides the clamping

apparatus for an antenna which can increase a degree of

freedom of installation with respect to a support pole

having many spatial limitations and improve workability.

Claims

[CLAIMS]

[Claim 1]

A clamping apparatus for an antenna comprising:

an arm unit that is coupled to a support pole and has

a mounting space formed in a tip portion thereof so as to

open in a longitudinal direction;

a rotation unit that is detachably mounted in the

mounting space of the arm unit and has a tip portion coupled

to be rotatable about a hinge point in the mounting space at

a predetermined angle in a left-right direction;

a tilting unit which is coupled to the tip portion of

the rotation unit so as to be tiltable in an up-down

direction and configured to mediate coupling of an antenna

device; and

a mounting guide unit that is provided to the

rotation unit, and is elastically pressed, and then is

temporarily fixed to the hinge point in the mounting space

when the rotation unit is mounted in the mounting space of

the arm unit, wherein the mounting guide unit comprises:

a guide tube that is provided such that an outer end

thereof is protrudable outward from a lower hinge fastening

hole, which is provided such that a part of the rotation

unit which corresponds to the hinge point in the mounting

space is recessed, at a predetermined length; and

an elastic body that elastically supports the guide tube in an outward direction of the rotation unit.
[Claim 2]

The clamping apparatus for an antenna according to

claim 1, wherein an outer end of the guide tube protrudes at

a length at which the guide tube is inserted into and caught

in a hinge hole formed at the hinge point in the mounting

space of the arm unit.
[Claim 3]

The clamping apparatus for an antenna according to

claim 1, wherein a lower rotating pin passes through the

hinge point at an outer side of the arm unit and is inserted

into and installed in the guide tube.
[Claim 4]

The clamping apparatus for an antenna according to

claim 1, wherein the mounting guide unit further comprises

an anti-separation nut that is screwed to an inner

circumferential surface of the lower hinge fastening hole so

as to prevent outward separation of the guide tube.
[Claim 5]

The clamping apparatus for an antenna according to

claim 4, wherein:

the anti-separation nut is located between an outer

circumferential surface of the guide tube and the inner

circumferential surface of the lower hinge fastening hole;

and a hanging rib hung on the anti-separation nut is formed radially outward on the outer circumferential surface of the guide tube so as to extend in a circumferential direction.
[Claim 6]

The clamping apparatus for an antenna according to

claim 1, wherein the arm unit comprises:

an outer mounting block that is disposed to come into

close contact with one side of an outer circumferential

surface of the support pole;

an inner mounting block that is disposed to come into

close contact with the other side of the outer

circumferential surface of the support pole and is fixed

with the outer mounting block by at least one or more fixing

bolts; and

a clamp arm that extends from the inner mounting

block at a predetermined length in a direction orthogonal to

the support pole and constitutes a tip portion to which the

mounting space is provided.
[Claim 7]

The clamping apparatus for an antenna according to

claim 6, wherein at least one or more reinforcement ribs are

formed at a connection part between the inner mounting block

and the clamp arm.
[Claim 8]

The clamping apparatus for an antenna according to

claim 6, wherein the clamp arm is manufactured at multiple

preset lengths so as to be installable in a different

separation distance from the support pole depending on

another antenna device, which is installed adjacent to the

antenna device coupled to the tilting unit, and surrounding

interference bodies.
[Claim 9]

The clamping apparatus for an antenna according to

claim 6, further comprises a reinforcement wire unit having

a connecting wire, one end of which is fixed to a part of

the support pole which corresponds to an upper portion of

the arm unit, and the other end of which is fixed to the

clamp arm of the arm unit.
[Claim 10]

The clamping apparatus for an antenna according to

claim 9, wherein the reinforcement wire unit is selectively

installed in consideration of fatigue strength of a

connection part between the inner mounting block and the

clamp arm depending on weight of the antenna device coupled

to the tilting unit and a length of the clamp arm.
[Claim 11]

The clamping apparatus for an antenna according to

claim 6, wherein at least one rotation guide part is formed at a tip portion of the clamp arm, to which the mounting space is provided, in a slot hole shape so as to guide a rotating motion of the rotation unit.
[Claim 12]

The clamping apparatus for an antenna according to

claim 11, wherein the rotation guide part comprises:

at least one rotation guide slot that is formed in a

circumference having a common center with the hinge point;

and

a rotation guide bolt that passes through the at

least one rotation guide slot from an outside and is fixed

to the rotation unit.
[Claim 13]

The clamping apparatus for an antenna according to

claim 12, wherein a rotating angle label, which indicates a

position of the rotation guide bolt moved in the rotation

guide slot from a reference point at an angle, is attached

to the tip portion of the clamp arm.
[Claim 14]

The clamping apparatus for an antenna according to

claim 1, wherein the rotation unit comprises:

tilting unit installing stages to which the tilting

unit is tiltably coupled;

a rotating block that is inserted into the mounting

space of the arm unit; and a connecting block that interconnects the tilting unit installing stages and the rotating block.
[Claim 15]

The clamping apparatus for an antenna according to

claim 14, wherein:

a rotating braking washer pad is interposed between

the rotating block and the arm unit; and

tilting braking washer pads are interposed between

the tilting unit installing stages and the tilting unit.
[Claim 16]

The clamping apparatus for an antenna according to

claim 15, wherein:

a rotating braking washer pad mounting recess to

which the rotating braking washer pad is coupled in a

corresponding shape is formed in an upper surface of the

rotating block; and

tilting braking washer pad mounting recesses to which

the tilting braking washer pads are coupled in a

corresponding shape are formed in inner lateral surfaces of

the tilting unit installing stages.
[Claim 17]

The clamping apparatus for an antenna according to

claim 15, wherein a plurality of braking protrusions are

formed to protrude from an upper surface of the rotating

braking washer pad and inner lateral surfaces of the tilting braking washer pads.
[Claim 18]

The clamping apparatus for an antenna according to

claim 14, wherein:

the tilting unit installing stages are provided apart

from each other in a pair so as to extend from left and

right ends of the connecting block toward the tilting unit;

and

tilting pins becoming a tilting center of the tilting

unit are provided in outer lateral surfaces of the tilting

unit installing stages so as to be connected with the

tilting unit.
[Claim 19]

The clamping apparatus for an antenna according to

claim 1, wherein:

the tilting unit comprises:

antenna coupling stages that are coupled with the

antenna device; and

tilting blocks that are coupled to come into

surface contact with one outer lateral surface and the other

outer lateral surface of the rotation unit; and

tilting guides are formed in a slot hole shape and

are attached to the tilting blocks so as to guide a tilting

motion of the tilting unit.
[Claim 20]

The clamping apparatus for an antenna according to

claim 19, wherein:

the tilting blocks are tilted about tilting pins that

are provided to outer lateral surfaces of tilting unit

installing stages of the rotation unit so as to become a

tilting center of the tilting unit; and

the tilting guides comprise:

tilting guide slots that are formed on

circumferences having common centers with the tilting pins;

and

tilting guide bolts that pass through the tilting

guide slots from an outside and are fixed to the rotation

unit.
[Claim 21]

The clamping apparatus for an antenna according to

claim 20, wherein a tilting angle label, which indicates a

position of each of the tilting guide bolts moved in each of

the tilting guide slots from a reference point at an angle,

is attached to an outer lateral surface of each of the

tilting blocks.
[Claim 22]

The clamping apparatus for an antenna according to

claim 19, wherein the tilting unit further includes an

expansion connector that is expanded to connect the antenna coupling stage and the tilting block in a left-right direction.
[Claim 23]

The clamping apparatus for an antenna according to

claim 22, wherein each of the antenna coupling stages comes

into surface contact with a plurality of places of any one

of a rear surface and a lateral surface of the antenna

device, and is fastened and fixed to fastening holes formed

in the plurality of places of any one of the rear surface

and the lateral surface of the antenna device via fastening

means.
[Claim 24]

The clamping apparatus for an antenna according to

claim 22, wherein each of the antenna coupling stages has at

least two or more fastening flanges, in each of which a U

shaped fastening hole having an open upper side is formed,

such that fixing screws, which are previously fastened to a

plurality of places of a lateral surface of the antenna

device in a temporarily fixed form, are hung downward and

then screwed.
[Claim 25]

The clamping apparatus for an antenna according to

claim 1, wherein the support pole comprises:

multiple support rods that slantly extend downward

from an outer circumferential surface of the support pole and are radially spaced apart from one another at a predetermined angle; and supporting panels that are provided at tips of the multiple support rods and are supported and coupled to a ground or a wall.