KR100925556B1 - Cable tray equipment - Google Patents

Abstract

PURPOSE: A cable tray facility is provided to easily vary a cable installation path by sliding a sub tray between a pair of main trays. CONSTITUTION: A cable tray facility includes a pair of main trays(100), a sub tray(200), and a moving position control part. The main trays are parallel arranged with a fixed interval. The main trays form a cable installation path. The sub tray connects the main trays. The sub tray varies a cable installation path(a) into a different cable installation path(a'). The moving position control part connects both ends of the sub tray to the main trays. The moving position control part linearly guides the sub tray according to a longitudinal direction of the main trays. The moving position control part fixes the sub tray to a fixed position.

Description

Cable Tray Equipment {CABLE TRAY EQUIPMENT}

The present invention relates to a cable tray facility, and more particularly, to a cable tray facility that can be selectively fixed to a position for easily varying the installation path of the cable to be slidable between a pair of main trays.

Typically, enclosures for communication equipment provide space in which various wired and wireless devices can be loaded.

The housing for a communication device is composed of a body made of steel, a door that can be opened and closed on one side, the inside has a multi-layer plate that can be stored and loaded with communication equipment.

Here, the communication equipment enclosure further includes devices for performing an additional function such as a fan or a heat exchanger for discharging heat generated by the operation of the communication equipment to the outside inside the housing for the communication equipment.

Republic of Korea Utility Model Registration No. 20-0368869 describes a housing for communication equipment.

Here, the communication equipment housing is formed of a body (1 ') that can be opened and closed on the front door 2', and can be equipped with various communication equipment therein, the body (1 ') is a variety of communication equipment Of the inner body 21 'to which the inner body 21' and the outer body 22 'spaced apart by forming a predetermined space portion 23' to the outer side of the inner body 21 ', and the outer body 22'. A plurality of external cooling fins 31 'formed to protrude to the outside and the internal heat exchange fins 32' which are integrally connected to the external cooling fins 31 'and protrude inwardly of the outer body 22'. It consists of a cooling section (3 '), and an air circulation section (4') for circulating the air between the inner body (21 ') and the internal heat exchange fin (32').

The communication device housing configured as described above is composed of a plurality of housing each of the plurality of equipment, and installed at a predetermined interval in a predetermined installation space.

In general, a cable line is formed in an upper space of the enclosures for communication equipment to perform electrical connection and optical communication with the communication equipment loaded in each of the enclosures. These cable lines form a number of paths and the cable lines that follow these multiple paths are located in a cable tray and secured. Thus, the cable tray is a device that can achieve the above multiple paths.

Conventionally, cable trays constituting the plurality of paths are installed to be fixed at a position set in an upper space of the enclosures. In general, the cable tray is composed of a pair of main trays arranged in parallel with each other, and an auxiliary tray for connecting between the pair of main trays.

Based on this configuration, conventionally, in order to vary the installation path of the cable, the installation position of the auxiliary tray is varied between the main trays, and in this case, both ends of the auxiliary tray and both side walls of the main trays. Release the fastening means, such as bolts and nuts, which secure each other, so that the sub tray and the main trays are completely separated from each other, and after positioning the sub tray in an arbitrary position, the fastening means is again used to Both ends and the side walls of the main trays were reattached to each other.

However, in this case, there is a problem in that the installation time is increased according to the conventional separation of the auxiliary tray and the main trays from each other and varying the position to an arbitrary position in order to change the installation path of the cable.

Further, in the related art, the auxiliary trays are completely separated from each other from the main trays, so that the auxiliary trays fall into the space in which the housings are installed during the installation work, thereby causing damage to the housing and safety accidents.

The present invention was created to solve the above-mentioned problems, an object of the present invention is to load the cable installation path to a pair of main tray that is installed side by side along the cable installation path from one of them to the other variable variable fixing To provide a cable tray facility for sliding the auxiliary tray between the pair of main trays in order to make it.

Another object of the present invention, when sliding the auxiliary tray between a pair of main tray, it is easy to fix the auxiliary tray without removing from the main trays at a predetermined setting position, according to the variable operation of the cable installation path The present invention provides a cable tray facility for shortening work time.

The present invention provides a cable tray facility for solving the above problems.

The cable tray facility includes a pair of main trays having a predetermined length and arranged side by side at a predetermined interval to form a cable installation path; An auxiliary tray which is installed to connect the pair of main trays in a space between the pair of main trays, and guides the second tray to form another cable installation path from the cable installation path; And connecting both ends of the auxiliary tray and the pair of main trays, guiding the auxiliary trays linearly along the longitudinal direction of the main trays, and fixing the moved auxiliary trays at a predetermined position. It includes a moving position adjusting unit.
Here, the movement position adjustment unit, a sliding hole of a predetermined length that is formed on the side walls of the opposite side of the pair of main trays and forms an opening along the facing direction, and fastened to be slidably fitted into the sliding hole. A fastening bolt having a bolt head and a fastening bolt fastening portion projecting from the fastening bolt head to the outside of the sliding hole, and one end of which is connected to both side walls of the auxiliary tray and the other end is in close contact with the side walls of the pair of main trays; A position moving guide member having a position coinciding with the sliding hole and having a through hole through which the fastening bolt fastening part is formed, and a fastening screw fitted to screw through the fastening bolt fastening part to be in close contact with one side of the position moving guide member Wherein the opening is wound around a portion of the outer side of the fastening bolt head It is preferable to form a smaller size than the size of the sliding hole so as to be cheap.
One end of the position movement guide member is movably connected to both side walls of the auxiliary tray, and both side walls of the auxiliary tray are provided with auxiliary sliding holes having a predetermined length to form auxiliary openings. And an auxiliary fastening bolt having an auxiliary fastening bolt head slidably fitted into the auxiliary sliding hole and having an auxiliary fastening bolt fastening projecting from the auxiliary fastening bolt head to the outside of the auxiliary sliding hole, wherein the position movement guide member is installed. One end of the auxiliary tray is in close contact with both side walls of the auxiliary tray, the position is coincided with the auxiliary sliding hole and the through-hole fastening bolt fastening portion is formed, the through fastening portion is screwed into the fastening portion to the fastening portion Beams in close contact with one side of one end of the movement guide member A jaw fastening screw is installed, and the auxiliary opening is preferably formed to be smaller than the size of the auxiliary sliding hole so as to surround a part of the outer surface of the auxiliary fastening bolt head.
One end and the other end of the position movement guide member protrude a predetermined length and are inclined downward at an angle, and a plurality of rails are formed, and the other end side rail of the position movement guide member is fitted to the side walls of the pair of main trays. Preferably, a rail groove for guiding the slide is formed, and other rail grooves for guiding the slide are formed on both side walls of the auxiliary tray by fitting one side rail of the position movement guide member.
In addition, the movement position adjustment unit is formed on the side walls of the opposite side of the pair of main trays and a sliding hole of a predetermined length to form an opening along the facing direction, and fastening to be slidably fitted in the sliding hole. A fastening bolt having a bolt head and a fastening bolt fastening portion projecting from the fastening bolt head to the outside of the sliding hole, and one end of which is connected to both side walls of the auxiliary tray and the other end is in close contact with the side walls of the pair of main trays; Is provided with a position movement guide member is a position coincides with the sliding hole and the through-hole through which the fastening bolt body connection is formed,
The fastening bolt fastening part includes a first fastening bolt fastening part extending from the fastening bolt head part, and a second fastening bolt fastening part of a predetermined length rotatably connected through an end and a hinge end of the first fastening bolt fastening part. ,
A plurality of position fixing grooves are formed on an outer surface of the position movement guide member and are formed at predetermined intervals and have a predetermined depth and a predetermined length so that the second fastening bolt fastening portion can be fitted thereto.
The opening is preferably formed to be smaller than the size of the sliding hole to surround a portion of the outer surface of the fastening bolt head.
The hinge end further includes a torsion spring for elastically supporting the outer surfaces of the first fastening bolt fastening part and the second fastening bolt fastening part so that the first fastening bolt fastening part and the second fastening bolt fastening part are horizontal to each other. It is desirable to be.
In addition, a fixing protrusion may be further formed at an end of the second fastening bolt fastening portion, and a fixing groove into which the fixing protrusion is inserted may be further formed in the position fixing grooves.
In addition, one end of the position movement guide member is movably connected to both side walls of the auxiliary tray,
Both side walls of the auxiliary tray are provided with auxiliary sliding holes of a predetermined length forming an auxiliary opening,
The auxiliary sliding hole is provided with an auxiliary fastening bolt having an auxiliary fastening bolt head part slidably fitted into the auxiliary sliding hole and having an auxiliary fastening bolt fastening part projecting out of the auxiliary sliding hole from the auxiliary fastening bolt head part.
One end of the position movement guide member is in close contact with both side walls of the auxiliary tray, the position is coincided with the auxiliary sliding hole and the auxiliary fastening bolt fastening portion is formed therethrough,
The auxiliary fastening bolt fastening part includes a first auxiliary fastening bolt fastening part extending from the auxiliary fastening bolt head part, and a second auxiliary fastening of a predetermined length rotatably connected through an end and a hinge end of the first auxiliary fastening bolt fastening part. With bolt fastening,
A plurality of auxiliary position fixing grooves are formed on an outer surface of the position movement guide member and are formed at predetermined intervals with a predetermined depth and a predetermined length so that the second auxiliary fastening bolt fastening portion can be fitted thereto.
The auxiliary opening is formed to be smaller than the size of the auxiliary sliding hole to surround a portion of the outer surface of the auxiliary fastening bolt head,
The auxiliary opening may be formed to be smaller than the size of the auxiliary sliding hole so as to surround a part of the outer surface of the auxiliary fastening bolt head.
In addition, one end and the other end of the position movement guide member is formed with one or more rails protruding a predetermined length and inclined downward at an angle,
On the side walls of the pair of main trays are formed rail rails for guiding the slide by fitting the other end side rail of the position movement guide member,
One side rail of the position movement guide member is fitted to both side walls of the auxiliary tray, so that another rail groove for guiding the slide is formed.

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According to the present invention, the auxiliary tray is slidably moved between the pair of main trays in order to variably fix the cable installation path from one of them to the other. It has an effect that can be done.

In addition, the present invention, when sliding the auxiliary tray between the pair of main trays, the operation of the operation according to the variable work of the cable installation path by easily fixing the auxiliary tray without removing from the main trays at a predetermined setting position It has the effect of shortening the time.

Hereinafter, a cable tray facility will be described with reference to the accompanying drawings.

1 is a perspective view showing the cable tray facility of the present invention disposed on top of a communication equipment enclosure. 2 is a plan view showing the cable tray installation of the present invention. 3 is a cross-sectional view taken along the line II ′ of FIG. 2. 4 is a cross-sectional view taken along the line II-II ′ of FIG. 2.

Referring to FIG. 1, the cable tray facility of the present invention is disposed above the housing 11 in which communication equipment is stored. Here, the height adjusting device 20 that can adjust the level up and down of the cable tray facility is installed on the upper end of the enclosure (11). Therefore, the cable tray facility may be installed on the top of the height adjustment device 20.

The cable tray facility referred to in the present invention is an apparatus capable of accommodating cables, and the cable may be a cable capable of transmitting a certain data or power or electrical signal such as an optical cable, a network cable, a power cable, or the like. .

2 to 4, the cable tray facility of the present invention will be described.

The cable tray facility may be slidably moved between a pair of main trays 100 and sidewalls of which one end and the other end thereof face each other between the pair of main trays 100 and the pair of main trays 100. The auxiliary tray 200 and the auxiliary tray 200 are connected so as to slide on the sidewalls of the main trays 100 and have a moving position control unit fixed to a predetermined position.

' 형상으로 형성되는 것이 좋다. 여기서, 상기 하나의 메인 트레이(100)는 서로 마주 보는 측벽이 형성된다.Here, the pair of main trays 100 are arranged side by side at a predetermined interval with a predetermined length. In addition, a cable installation path (a) is set in the pair of main trays 100. Therefore, the cable 30 along the cable installation path (a) is located in the pair of main trays 100. Here, the pair of main tray 100 along the length direction '

It is good to be formed in a 'shape. Here, the one main tray 100 has a side wall facing each other.

' 형상으로 형성되는 것이 좋다. 여기서, 상기 보조 트레이(200)는 양측벽을 갖는다. 그리고, 상기 보조 트레이(200)는 상기 케이블 설치 경로(a)로부터 다른 케이블 설치 경로(a')를 이루도록 안내할 수 있다. 즉, 메인 트레이(100)에 설치되는 케이블들(30) 중 어느 하나 또는 다수의 설치 경로는 상기 보조 트레이(200)를 통하여 다른 케이블 설치 경로(a')를 따르도록 될 수 있다.The auxiliary tray 200 is disposed between the pair of main trays 100 along a direction orthogonal to the longitudinal direction of the main trays 100. Both ends of the auxiliary tray 200 are connected to the side walls of the pair of main trays 100 so as to be slidable. Here, the auxiliary tray 200 also '

It is good to be formed in a 'shape. Here, the auxiliary tray 200 has both side walls. In addition, the auxiliary tray 200 may be guided to form another cable installation path a 'from the cable installation path a. That is, any one or a plurality of installation paths of the cables 30 installed in the main tray 100 may follow another cable installation path a 'through the auxiliary tray 200.

The moving position adjusting unit may guide the auxiliary tray 200 to be linearly moved along the length direction of the main trays 100 and fix the auxiliary tray 200 at a predetermined position.

2 to 4, an example of the movement position adjusting unit will be described.

The moving position adjusting unit is formed on sidewalls of the pair of main trays 100 opposite to each other, and has a sliding hole 110 having a predetermined length to form an opening 111 along the facing direction, and the sliding hole ( Fastening bolt 300 having a fastening bolt head 310 which is slidably fitted to 110 and a fastening bolt fastening part 320 protruding from the fastening bolt head 310 to the outside of the sliding hole 110. And, one end is connected to both side walls of the auxiliary tray 200 and the other end is in close contact with the side wall of the pair of main tray 100, the position is identical to the sliding hole 110 and the fastening bolt fastening portion ( One end or the other end side of the position movement guide member 500 is fitted to be screw-fastened to the position movement guide member 500 and 320 through which the through-hole 510 through which the through hole 510 is formed. Fastening to close contact But with a 400, the opening 111 is preferably smaller in size than a predetermined size is formed in the sliding hole 110 so as to surround the outer surface portion of the bolt head 310.

One end of the position movement guide member 500 is movably connected to both side walls of the auxiliary tray 200, and has a predetermined length to form an auxiliary opening 211 at both side walls of the auxiliary tray 200. An auxiliary sliding hole 210 is formed, and the auxiliary sliding hole 210 has an auxiliary fastening bolt head 310 ′ that is slidably fitted into the auxiliary sliding hole 210 and has the auxiliary fastening bolt head 310. Auxiliary fastening bolt 300 'having an auxiliary fastening bolt body connection part 320' protruding to the outside of the auxiliary sliding hole 210 from ') is installed, one end of the position movement guide member 500 A through hole 510 is formed to be in close contact with both side walls of the tray 200, and the position coincides with the auxiliary sliding hole 210, and through which the auxiliary fastening bolt fastening part 320 ′ penetrates. The auxiliary body 320 ' An auxiliary fastening screw 400 'is installed to be screwed to the fastening bolt fastening part 320' and closely adhered to one side of one end of the position movement guide member 500, and the auxiliary opening 211 is the auxiliary fastening. It is preferable to form a predetermined size smaller than the size of the auxiliary sliding hole 210 to surround a portion of the outer surface of the bolt head 310 '.

3 and 4, one or a plurality of rails 520 protruding a predetermined length and inclined downward at an angle are formed at one end and the other end of the position movement guide member 500, and the pair of mains The rail groove 120 for guiding the slide is formed on the side wall of the tray 100 and the rail 520 of the other end of the position movement guide member 500 is formed, and the position movement is provided on both side walls of the auxiliary tray 200. One side rail 520 of the guide member 500 is fitted to form another rail groove 220 for guiding the slide.

Referring to the above configuration, the auxiliary tray 200 in FIG. 1 is slidable between the pair of main trays 100, and can be fixed in a fixed position.

That is, when the position of the auxiliary tray 200 is to be changed, the fastening screw 400 shown in FIG. 3 is rotated along the direction of release from the fastening bolt fastening part 320. Therefore, the fastening screw 300 may be spaced apart from the outer surface of the position movement guide member 500 by a predetermined distance. Accordingly, the auxiliary tray 200 is in a state capable of moving along the sidewalls of the pair of main trays 100. Thus, the auxiliary tray 200 is slid to a certain position along the side walls of the pair of main trays 100. In this case, the pair of rails 520 formed at the other end of the position movement guide member 500 is fitted into the pair of rail grooves 120 formed in the main tray 100, and the rails 520 are moved in position. Since it is formed to be inclined downward from the top of the guide member 500 along the lower end, the positioning guide member 500 can be easily hung on the side wall of the main tray 100, whereby the positioning guide member 500 Not only can be easily separated from the side wall of the main tray 100, it can be guided so that its movement can be smoothed during the sliding movement of the auxiliary tray (200).

In addition, the fastening bolt head 310 of the fastening bolt 300 may be moved along the sliding hole 110 without being separated from the sliding hole 110.

When the auxiliary tray 200 is variably positioned at a predetermined position of the sliding hole 110 of the main tray 100 in this manner, the fastening screw 400 rotates along the direction in which the fastening bolt fastening part 320 is tightened. Accordingly, the fastening bolt head 310 of the fastening bolt 300 is in close contact with the inner wall of the sliding hole 110, the outer surface of the position movement guide member 500 and the fastening screw 400 is in close contact with each other. . Therefore, the position movement guide member 500 may be fixed at a predetermined position of the main tray 100.

Next, another example of the movement position adjusting unit according to the present invention will be described.

5 is a view showing one side of the main frame according to the present invention. 6 is a cross-sectional view showing another example of the movement position adjusting unit according to the present invention. 7 is a cross-sectional view illustrating an operating state of the moving position adjusting unit of FIG. 6. 8 is a cross-sectional view showing another example in which the second fastening portion and the position fixing hole according to the present invention are coupled to each other.

5 to 8, the movement position adjusting unit is formed on a side wall of the pair of main trays 100 facing each other and has a sliding hole having a predetermined length to form the opening 111 along the facing direction ( A fastening bolt fastening part having a fastening bolt head 610 fitted to the sliding hole 110 so as to be slidable and protruding from the fastening bolt head 610 to the outside of the sliding hole 110; Fastening bolt 600 having a 620, one end is connected to both side walls of the auxiliary tray 200 and the other end is in close contact with the side wall of the pair of main tray 100, the position and the sliding hole 110 And a position movement guide member 501 formed therein and having a through hole through which the fastening bolt fastening part 620 passes.

Here, the fastening bolt fastening part 620 is a first fastening bolt fastening part 621 extending from the fastening bolt head 610, the end and the hinge end (H) of the first fastening bolt fastening part 621 There is provided a second fastening bolt fastening portion 622 of a predetermined length so as to be rotatable through.

On the outer surface near the through hole 510 of the position movement guide member 501, a plurality of position fixing grooves 530 into which the second fastening bolt fastening portion 620 is fitted may be formed, and the opening may be formed. 111 is formed to be smaller than the size of the sliding hole 110 to surround a portion of the outer surface of the fastening bolt head 610.

The first fastening bolt fastening part 621 and the second fastening bolt fastening part 621 and the second fastening bolt fastening part 622 are parallel to each other at the hinge end H. A torsion spring 630 for elastically supporting the outer surface of the fastening bolt fastening part 622 is further installed.

8, a fixing protrusion 622a is further formed at an end of the second fastening bolt fastening part 622, and the fixing protrusion 622a is fitted into the position fixing grooves 530. Grooves 531 are further formed.

In addition, one end of the position movement guide member 501 is movably connected to both side walls of the auxiliary tray 200. Both side wall structures of the auxiliary tray 200 and the auxiliary fastening bolts are the same as those of the fastening bolt 600 mentioned above. Here, the auxiliary fastening bolt is composed of an auxiliary fastening bolt head, a first auxiliary fastening bolt fastening portion, a second auxiliary fastening bolt fastening portion and a hinge end as indicated by the reference numeral '600'.

Referring to the above configuration, that is, to change the position of the auxiliary tray 200, the second fastening bolt fastening portion 622 of the fastening bolt 600 shown in FIG. Rotate upwards using. Therefore, the second fastening bolt fastening part 622 may be separated from the position fixing groove 530 shown in FIG. Therefore, the position movement guide member 501 is in a state capable of sliding movement on the side wall of the main tray 100. Subsequently, the auxiliary tray 200 is slid to a certain position along the sidewalls of the pair of main trays 100. In this case, the pair of rails 520 formed at the other end of the position movement guide member 501 is fitted into the pair of rail grooves 120 formed in the main tray 100, and the rails 520 are moved in position. Since it is formed to be inclined downward from the top of the guide member 500 along the lower end, the positioning guide member 501 can be easily hung on the side wall of the main tray 100, whereby the positioning guide member 501 Not only can be easily separated from the side wall of the main tray 100, it can be guided so that its movement can be smoothed during the sliding movement of the auxiliary tray (200).

In addition, the fastening bolt head 610 of the fastening bolt 600 may be moved along the sliding hole 110 without being separated from the sliding hole 110.

When the auxiliary tray 200 is variably positioned at a predetermined position of the sliding hole 110 of the main tray 100 in this manner, the second fastening bolt fastening part 622 of the fastening bolt 600 is hinged (H). Rotating downward through the () is inserted into the position fixing groove 530 is formed in a variable position of the position fixing grooves 530 shown in FIG. Therefore, the position movement guide member 500 may be fixed so as not to move along the side wall of the main tray 100.

Accordingly, the second fastening bolt fastening portion 622 of the fastening bolt 600 is fixed to any one of the position fixing grooves 530, whereby the auxiliary tray 200 having the position movement guide member 501 is the main The side wall of the tray 100 may be fixed again.

Meanwhile, referring to FIG. 8, a fixing protrusion 622a is further formed at an end of the second fastening bolt fastening part 622, and the fixing protrusion 622a is fitted into the position fixing grooves 530. Since the groove 531 may be formed, the fixing protrusion 622a formed at the end of the second fastening bolt fastening part 622 is fixed by being fitted into the fixing groove 531 formed in the position fixing groove 530. The position can be kept stable.

In addition, the torsion spring 630 installed at the hinge end H is fastened to the second fastening bolt when the second fastening bolt fastening part 622 is rotated downward and fixed to the position fixing groove 530. It serves to guide the portion 622 to be forced to rotate downward.

On the other hand, one end of the position movement guide member 500 using the above-mentioned auxiliary fastening bolt 300 'and the auxiliary fastening screw 400' is movable in both side walls of the auxiliary tray 200 and the action therethrough Since the other end of the position movement guide member 500 installed in the auxiliary tray 200 is slidably moved along the side wall of the main tray 100 and is substantially the same as the constituent mill action fixed at a predetermined position, it will be described below. Will be omitted.

As described above, in the detailed description of the present invention has been described with respect to preferred embodiments of the present invention, those skilled in the art to which the present invention pertains various modifications can be made without departing from the scope of the invention Of course.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below, but also by the equivalents of the claims.

1 is a perspective view showing the cable tray facility of the present invention disposed on top of a communication equipment enclosure.

2 is a plan view showing the cable tray installation of the present invention.

3 is a cross-sectional view taken along the line II ′ of FIG. 2.

4 is a cross-sectional view taken along the line II-II ′ of FIG. 2.

5 is a view showing one side of the main frame according to the present invention.

6 is a cross-sectional view showing another example of the movement position adjusting unit according to the present invention.

7 is a cross-sectional view illustrating an operating state of the moving position adjusting unit of FIG. 6.

8 is a cross-sectional view showing another example in which the second fastening portion and the position fixing hole according to the present invention are coupled to each other.

* Description of main parts

100: main tray

110: sliding hole

120: rail groove

200: auxiliary tray

300, 300 ', 600: fastening bolt

310, 610: head

320, 620: fastening part

400, 400 ': tightening screw

500, 501: position movement guide member

510: through

520: rail

530: Position fixing groove

621: First connection

622: second connection

H: Hinge End

a: cable installation path

a ': different cable routing

Claims (9)

A pair of main trays having a predetermined length and arranged side by side at a predetermined interval to form a cable installation path; An auxiliary tray which is installed to connect the pair of main trays in a space between the pair of main trays, and guides the second tray to form another cable installation path from the cable installation path; And Connecting both ends of the auxiliary tray and the pair of main trays, guiding the auxiliary trays linearly along the length direction of the main trays, and fixing the moved auxiliary trays at a predetermined position. Cable tray facility comprising a movement position control. The method of claim 1, The moving position adjusting unit, The fastening bolt head having a sliding hole having a predetermined length formed on the side walls of the pair of main trays facing each other and defining an opening along the opposite direction, and a fastening bolt head slidably fitted into the sliding hole. A fastening bolt having a fastening bolt fastening portion projecting from the outer portion to the outside of the sliding hole, and one end of which is connected to both side walls of the auxiliary tray and the other end is in close contact with the side walls of the pair of main trays, And a fastening screw which is inserted into the fastening bolt fastening part through the fastening bolt fastening part, and is fastened to be screwed into the fastened fastening bolt fastening part to be in close contact with one side of the fastening bolt fastening part. Size of the sliding hole to surround a part of the outer surface of the fastening bolt head The cable tray facility, characterized in that the predetermined size is formed smaller. The method of claim 2, One end of the position movement guide member is movably connected to both side walls of the auxiliary tray, Both side walls of the auxiliary tray are provided with auxiliary sliding holes of a predetermined length forming an auxiliary opening, The auxiliary sliding hole is provided with an auxiliary fastening bolt having an auxiliary fastening bolt head part slidably fitted into the auxiliary sliding hole and having an auxiliary fastening bolt fastening part projecting out of the auxiliary sliding hole from the auxiliary fastening bolt head part. One end of the position movement guide member is in close contact with both side walls of the auxiliary tray, the position is coincided with the auxiliary sliding hole and the auxiliary fastening bolt fastening portion is formed therethrough, The through fastening part is provided with an auxiliary fastening screw fitted to be screw-fastened to the fastening part to be in close contact with one side of one end of the position movement guide member, And the auxiliary opening is formed to be smaller than a size of the auxiliary sliding hole so as to surround a part of the outer surface of the auxiliary fastening bolt head. The method of claim 3, wherein One end and the other end of the position movement guide member is formed with one or more rails protruding a predetermined length and inclined downward at an angle, On the side walls of the pair of main trays are formed rail rails for guiding the slide by fitting the other end side rail of the position movement guide member, Cable tray facility, characterized in that the other side wall of the auxiliary tray is formed on both side walls of the position movement guide member is inserted into the rail guide to guide the slide. The method of claim 1, The moving position adjusting unit, The fastening bolt head having a sliding hole having a predetermined length formed on the side walls of the pair of main trays facing each other and defining an opening along the opposite direction, and a fastening bolt head slidably fitted into the sliding hole. A fastening bolt having a fastening bolt fastening portion projecting from the outer portion to the outside of the sliding hole, and one end of which is connected to both side walls of the auxiliary tray and the other end is in close contact with the side walls of the pair of main trays, Wherein the fastening bolt body is provided with a position movement guide member is formed through the through hole, The fastening bolt fastening part includes a first fastening bolt fastening part extending from the fastening bolt head part, and a second fastening bolt fastening part of a predetermined length rotatably connected through an end and a hinge end of the first fastening bolt fastening part. , The outer surface of the position movement guide member is formed with a plurality of position fixing grooves are formed at a predetermined interval and a predetermined depth and a predetermined length so as to be connected to the through hole and the second fastening bolt fastening portion, The opening is a cable tray facility, characterized in that formed to be smaller than the size of the sliding hole to surround a portion of the outer surface of the fastening bolt head. The method of claim 5, The hinge end is further provided with a torsion spring for elastically supporting the outer surface of the first fastening bolt fastening portion and the second fastening bolt fastening portion so that the first fastening bolt fastening portion and the second fastening bolt fastening portion are horizontal to each other. Cable tray facility characterized by the above-mentioned. The method of claim 5, Fixing projections are further formed at the end of the second fastening bolt fastening portion, and the cable tray facility, characterized in that the fixing grooves are further formed in the position fixing grooves. The method of claim 5, One end of the position movement guide member is movably connected to both side walls of the auxiliary tray, Both side walls of the auxiliary tray are provided with auxiliary sliding holes of a predetermined length forming an auxiliary opening, The auxiliary sliding hole is provided with an auxiliary fastening bolt having an auxiliary fastening bolt head part slidably fitted into the auxiliary sliding hole and having an auxiliary fastening bolt fastening part projecting out of the auxiliary sliding hole from the auxiliary fastening bolt head part. One end of the position movement guide member is in close contact with both side walls of the auxiliary tray, the position is coincided with the auxiliary sliding hole and the auxiliary fastening bolt fastening portion is formed therethrough, The auxiliary fastening bolt fastening part includes a first auxiliary fastening bolt fastening part extending from the auxiliary fastening bolt head part, and a second auxiliary fastening of a predetermined length rotatably connected through an end and a hinge end of the first auxiliary fastening bolt fastening part. With bolt fastening, A plurality of auxiliary position fixing grooves are formed on an outer surface of the position movement guide member and are formed at predetermined intervals with a predetermined depth and a predetermined length so that the second auxiliary fastening bolt fastening portion can be fitted thereto. The auxiliary opening is formed to be smaller than the size of the auxiliary sliding hole to surround a portion of the outer surface of the auxiliary fastening bolt head, And the auxiliary opening is formed to be smaller than a size of the auxiliary sliding hole so as to surround a part of the outer surface of the auxiliary fastening bolt head. The method of claim 8, One end and the other end of the position movement guide member is formed with one or more rails protruding a predetermined length and inclined downward at an angle, On the side walls of the pair of main trays are formed rail rails for guiding the slide by fitting the other end side rail of the position movement guide member, Cable tray facility, characterized in that the other side wall of the auxiliary tray is formed on both side walls of the position movement guide member is inserted into the rail guide to guide the slide.

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