JP4750466B2 - Equipment mounting device - Google Patents

Description

  The present invention relates to an attachment device for attaching an apparatus to a column.

  Conventionally, as a method of attaching a device to a support column, a method of passing a band body through a metal fitting (or a device casing itself) attached to the device, winding the band body around the support column, and tightening (for example, (See Patent Document 1).

Also, instead of using a band body, a U-shaped metal fitting (U-shaped metal fitting) that can be fitted to the support is used, and both ends of the U-shaped metal fitting are passed through the attachment holes of the metal fitting attached to the device, There is also known a method of attaching a device to a support by screwing a nut to an open end of the screw and tightening it to a metal fitting attached to the device (see, for example, Patent Document 2).
Japanese Utility Model Publication No. 62-36963 Japanese Patent Laid-Open No. 10-341102

  However, with such a conventional attachment method, there is no problem when attaching one device to the support column. For example, when attaching a plurality of devices to the support column, a band body or a U-shaped bracket is used for each device. Since it is necessary to attach to a support | pillar, the some apparatus will be distributed and arrange | positioned in the axial direction (in other words, an up-down direction) of a support | pillar.

  And in order to disperse and arrange a plurality of devices in the axial direction of the column in this way, it is necessary to shift the scaffold for installation work up and down each time one device is installed. There was a problem that the sex became worse.

  In particular, if the equipment to be installed on the column is large, the upper and lower parts of the device will be fixed to the column using band bodies or U-shaped brackets. In this case, the axial direction of the column If the devices are arranged in order along the line, the number of devices that can be installed on the support column will be reduced and the support column will not be used effectively. These parts are fixed alternately for each device so that there is no problem.

However, in such a fixing method, since a plurality of devices are arranged with steps around the support column, there is a problem that the appearance is poor and the installation work is troublesome.
The present invention has been made in view of these problems, and provides an attachment device that can easily perform installation work when installing a plurality of devices on a support and can be installed in a plurality of appearances. With the goal.

The invention according to claim 1, which has been made to achieve the object,
A mounting device for mounting a device on a column,
A pair of arms that are wider than the column and a contact portion that is disposed at a substantially central portion of the arm and is in contact with the outer peripheral surface of the column, and is disposed to face each other across the column. With a bracelet,
A pair of support arms for connecting the ends facing each other in the pair of arms;
In a state where the respective braces and the respective support arms are arranged around the pillars, a fixing member that clamps the pillars with the pair of braces by fastening and fixing the ends to each other;
The provided, among the edges which are formed on said post around at each cross-arm and each support arm, on one side, which is formed by one side and the support arm formed by at least the cross-arm, respectively , wherein the attachment portion for attaching the device detachably is provided.

  According to a second aspect of the present invention, in the attachment device according to the first aspect, one of the pair of braces and the pair of support arms are integrally formed, and the other arm is formed. The gold and the open end side of each support arm are configured to be detachably fastened and fixed via the fixing member.

  Next, according to a third aspect of the present invention, there is provided a device mounting apparatus according to the first or second aspect, wherein a plurality of devices are arranged in a horizontal direction on at least one of the arm metal and the support arm. An extending portion that extends outward from a loop that surrounds the support column is formed.

Further, the invention according to claim 4 is the apparatus mounting device according to any one of claims 1 to 3, wherein at least one of the arm metal and the support arm is substantially in the center. is formed in a concave allowed the substantially L-shape, Rutotomoni disposed so as to face the inside the strut-shaped 該Ku, the two sides forming the shape of該Ku, respectively, the attachment portion is provided It is characterized by being.

  Further, the invention according to claim 5 is the apparatus mounting device according to any one of claims 1 to 4, wherein the pair of arms, the pair of support arms, and the fixing member are used. And a plurality of frames disposed around the support column, and a connecting member for disposing the frame members at predetermined intervals in the axial direction of the support column.

  Further, the invention according to claim 6 is the device mounting apparatus according to any one of claims 1 to 5, wherein the device is a transmission device or a reception device in the relay system. Features.

According to the attachment device of the first aspect, if the pair of arm brackets and the pair of support arms are arranged around the support column, and these end portions are fastened and fixed to each other via the fixing member, the pair of arm brackets Can be fixed to the column in a state where the column is held between the two. Then, among the edges formed around the strut in cross-arm and the support arm, the one side is formed by the support arm and one side that is formed in at least cross-arm, respectively, for attaching the device detachably Therefore, a plurality of devices can be mounted at the same height around the column by mounting the device on the mounting portion.

  For this reason, according to the attachment device of the first aspect, when installing a plurality of devices on the support column, the attachment device is installed and the attachment device is attached to the attachment device in a state where the scaffold is fixed at a desired height position. Each device can be attached, and workability when installing a plurality of devices can be improved.

  In addition, if the scaffold is fixed at a height where it is easy to work, the operator does not have to take an unreasonable posture during the installation work, so the installation work can be performed safely. Moreover, since several apparatus can be arrange | positioned in the same height position around a support | pillar, the appearance after apparatus installation can also be improved.

  Next, according to the attachment device of the second aspect, since one of the pair of arm brackets and the pair of support arms are integrally formed, when installing on the support column, the support arms are opened. What is necessary is just to fix an end and the other arm bracket through a fixing member, and the installation work to a support | pillar can be performed more easily compared with the case where all of an arm metal and a support arm are comprised.

  In addition, according to the attachment device of the third aspect, since at least one of the arm metal and the support arm is formed with the extending portion so that a plurality of devices can be arranged in parallel in the horizontal direction, The number of possible devices can be increased.

  Also, for example, when installing a mounting device on a support column and mounting the device, if the device is mounted on the extension part of the mounting device, then when the scaffold is installed to add the device, the scaffold Since it is possible to prevent an installed device from coming in front of the worker on board, workability at the time of adding the device can also be improved.

Next, according to the attachment device of the fourth aspect, since at least one of the arm metal and the support arm is formed in a substantially square shape, when the arm metal and the support arm are formed in a linear shape, In comparison, the number of sides surrounding the support can be increased. That is, when the brace and the support arm are formed in a straight line, the support is surrounded by four sides, but according to the present invention, the number of sides can be increased to 5-8.
Then, the mounting device according to claim 4, the two sides forming the dogleg, respectively, since the mounting portion is provided, the mounting portion provided on the two sides, in the mounting device The number of devices that can be attached is increased, and more devices can be attached around the column.

  Moreover, according to the attachment apparatus of Claim 5, since the frame for attaching an apparatus can be arrange | positioned at predetermined intervals in the axial direction of a support | pillar, even when an apparatus is large or heavy By fixing the upper part and lower part (or further intermediate part) of the device to each frame, the device can be firmly fixed to the column.

  Next, since the attachment device according to claim 6 is for fixing the transmission device or the reception device in the relay system to the support column, the attachment device is provided with a transmission / reception antenna for relay. If the transmitter is installed on a column or a column installed in the vicinity of the column, and the transmitter and receiver are attached to the mounting device, the coaxial cable or the transmitter antenna and transmitter for connecting the receiver and receiver In addition to shortening the length of the coaxial cable connecting the two, the transmission loss caused by the coaxial cable can be reduced, and the cost for installing the transmitting device and the receiving device can be reduced.

  Note that the mounting device of the present invention can be used not only for mounting the transmitting device or the receiving device to the support column, but also for example a plurality of electronic devices such as mounting the transmitting antenna and the receiving antenna to the support column in the relay system. If it is used when attaching to the support, the above-described effects can be exhibited.

An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a relay system in which the attachment device of the present invention is used.
This relay system includes a receiving antenna 2 that receives a television broadcast signal for 2 terrestrial digital broadcasting (CH: representing a channel) transmitted by a microwave from a broadcasting station or another relay system, and the receiving antenna 2. Of the received signal distributed to the two systems by the duplexer 4 and down-converting the received signals distributed to the two systems by the first CH receiving circuit 6 and the second CH receiving circuit 8, respectively. Receiving device 10 that tunes each of the 2CH (first CH and second CH) television broadcast signals and outputs them as an intermediate frequency signal (IF signal: center frequency 37.15 MHz), and each CH output from this receiving device 10 IF signals (first CH · IF and second CH · IF shown in the figure) are transmitted to each other using the transmission circuits 12 and 14 dedicated to each CH, respectively. Transmitters 16 and 18 for each CH that are frequency-converted into transmission signals of different microwave bands and output from these transmitters 16 and 18 (first CH transmission signal and second CH transmission signal shown in the figure) A duplexer 20 to be mixed and a transmission antenna 22 for transmitting a transmission signal mixed in the duplexer 20 to a broadcasting station or another relay system are configured.

  That is, in this relay system, a television broadcast signal corresponding to 2 terrestrial digital broadcasts transmitted by a microwave from a broadcast station or another relay system is received, and a television broadcast of each CH (first CH and second CH) is received. The signal is down-converted to an intermediate frequency signal (IF signal), and then the intermediate frequency signal (IF signal) of the TV broadcast signal of each CH (first CH and second CH) is up-converted to a microwave band to transmit antennas. The TV broadcast signal for 2 CH of terrestrial digital broadcasting is relayed by the procedure of retransmitting from the channel 22.

  The receiving antenna 2 and the transmitting antenna 22 are configured by parabolic antennas equipped with reflecting mirrors. The receiving device 10 includes the first CH receiving circuit 6 and the second CH receiving circuit 8 housed in a waterproof case together with a power supply circuit (not shown). The transmitting devices 16 and 18 include the first CH transmitting circuit 12 and Each of the second CH transmission circuits 14 is housed in a waterproof case together with a power circuit and the like.

  Then, the receiving device 10 receives the TV broadcast signal of each CH from the reference signal generators 24 and 26 installed in a station (not shown) by the first CH receiving circuit 6 and the second CH receiving circuit 8 as an intermediate frequency signal ( A reference signal (first reference signal and second reference signal shown in the figure) required for down-conversion to the IF signal is input, and the reference signal (shown in the figure) is received from the receiving apparatus 10 to the transmitting apparatuses 16 and 18. The first reference signal and the second reference signal) are input as reference signals necessary for up-converting the intermediate frequency signal (IF signal) of each CH to the microwave band.

  Next, the receiving antenna 2, duplexer 4, receiving device 10, transmitting devices 16 and 18, duplexer 20, and transmitting antenna 22 described above are arranged in a substantially vertical direction at a predetermined relay location as shown in FIG. It is attached to the upright column 30.

  That is, as shown in FIG. 2, at the upper end of the support column 30, the mounting bracket 32 for the receiving antenna 2 and the mounting bracket 34 for the transmitting antenna 22 are paired with upper and lower belt bodies 35, 36, and 37. , 38, and the receiving antenna 2 and the transmitting antenna 22 are fixed to the support column 30 by screwing the metal fittings 2a, 22a fixed to the back surface of the reflecting mirror to the attachment metal fittings 32, 34. Yes.

  The mounting brackets 32 and 34 are fixed to the column 30 via a pair of upper and lower belt bodies 35 and 36 and 37 and 38, but the area occupied by the column 30 by the two antennas 2 and 22 is reduced. Therefore, the belt bodies 35 and 36 and 37 and 38 of the mounting brackets 32 and 34 are fixed to the support column 30 alternately for each antenna 2 and 22.

  In the column 30, the duplexers 4, 20 are connected to a space located between the upper belt bodies 35, 37 and the lower belt bodies 36, 38 via a belt body (or U-shaped bracket) (not shown). It is fixed.

  On the other hand, the receiving device 10 and the transmitting devices 16 and 18 are mounted at positions below the antennas 2 and 22 of the support column 30. The mounting device 40 for the mounting is the mounting of the antennas 2 and 22 described above. Rather than being attached to the support column 30 using the belt bodies 35 to 38 as in the case of the metal fittings 32 and 34, the support column 30 is directly attached to the support column 30 by surrounding the support column 30 with four sides and sandwiching the support column 30 with two opposing sides. Fixed. The receiving device 10 and the transmitting devices 16 and 18 are attached to three sides of the four sides surrounding the column 30 in the attaching device 40, respectively.

Hereinafter, the attachment device 40 will be described in detail with reference to FIGS.
3 is an exploded perspective view showing the configuration of the mounting device 40, FIG. 4 is a perspective view showing a state in which the mounting device 40 is assembled as a single unit, and FIG. 5 is a top view of the mounting device 40 in FIG. FIG.

  As shown in FIG. 3, the attachment device 40 is roughly divided into a pair of frame bodies 42 and 44 that are directly fixed to the support column 30 so as to surround the periphery of the support column 30 with four sides, and these frame bodies 42 and 44. By connecting with a predetermined interval, the frame bodies 42 and 44 are configured by a pair of connecting members 46 and 48 that vertically position the frame bodies 42 and 44 along the axial direction of the support column 30.

  Each of the frames 42 and 44 is formed so as to be wider than the column 30 (in other words, longer than the diameter of the column 30), and is formed in a long shape facing each other with the column 30 interposed therebetween. It is comprised from the arm metal 52 and 54, and the elongate support arms 56 and 58 for connecting the edge parts which mutually oppose in these pair of arm metal 52 and 54, and these each part is made into 1 side. The support column 30 is surrounded by four sides.

  Here, the arm metal 52 is formed by fixing a contact plate 64 having an M-shaped cross section that can contact the outer peripheral surface of the support column 30 by welding or the like at a substantially central portion of the elongated arm portion 62. It is formed by. The arm metal 52 (in other words, the arm portion 62) and the support arms 56 and 58 are integrally formed so as to be substantially U-shaped when viewed from above.

  On the other hand, the arm metal 54 is composed of a long arm portion 63 formed so as to have a U-shaped cross section when cut in a direction perpendicular to the longitudinal direction by press molding a metal plate, It is comprised so that the open end of the support arms 56 and 58 can be accommodated in the both ends.

  Further, in the arm portion 63, a concave portion 65 that is recessed in an arc shape is formed at the center of the edge of the upper and lower plate portions that are bent to the arm metal 52 side by press molding. The recess 65 functions as a contact portion with the outer peripheral surface of the support column 30, so that the support column 30 can be firmly held between the contact plate 64 of the arm metal 52.

  A bolt 66 as a fixing member is inserted from the outside into the surface of the arm metal 54 facing the support arms 56, 58, and screwed into the screw holes 56a, 58a formed in the open end surfaces of the support arms 56, 58. Insertion holes 54a for fitting are respectively formed.

  Therefore, if the bolt 66 is inserted into each insertion hole 54a and screwed into the screw holes 56a, 58a of the support arms 56, 58, the arm metal 52 and the arm metal 54 are supported as shown in FIG. The arms 56 and 58 can be connected in a quadrangular loop shape.

  Further, when the support column 30 is housed in the loop and the bolt 66 is tightened, the support column 30 is firmly fixed between the contact plate 64 of the arm metal 52 and the recess 65 of the arm metal 54 as shown in FIG. As a result, the frame bodies 42 and 44 can be firmly fixed to the support column 30.

  The support arms 56 and 58 are provided with insertion holes 56b and 58b through which bolts 68 for fixing the connecting members 46 and 48 are passed from the outside to the inside of the support column 30. For this reason, the bolts 68 are inserted into the mounting holes 46a and 48b drilled at both ends of the connecting members 46 and 48 and the insertion holes 56b and 58b of the support arms 56 and 58, respectively. If the nut 69 disposed on the (post 30 side) is screwed together, the frame bodies 42 and 44 can be positioned at a predetermined interval as shown in FIG.

  Next, of the pair of frame bodies 42 and 44, attachment for attaching the receiving device 10 and the transmission devices 16 and 18 to the arm metal 52 and the support arms 56 and 58 of the frame body 42 disposed above. As a part, a pair of attachment holes 72 penetrating in the vertical direction are formed.

  Further, a pair of mounting holes 74 penetrating in the horizontal direction as mounting portions for mounting the receiving device 10 and the transmitting devices 16 and 18 on the arm metal 52 and the supporting arms 56 and 58 of the frame body 44 disposed below. Is drilled.

  For this reason, when the receiving device 10 and the transmitting devices 16 and 18 are fixed to the mounting device 40, the back surface of the receiving device 10 and the transmitting devices 16 and 18 are attached to the arm metal 52 and the supporting arms 56 and 58 of the frame body 42. A mounting bracket 78 (see FIGS. 2 and 5) protruding from the upper position to the rear is hooked and fixed to the mounting hole 72 via an mounting hole (not shown) drilled in the mounting bracket 78. If the nut is screwed into the bolt from below, the upper portions of the receiving device 10 and the transmitting devices 16 and 18 can be fixed to the upper frame 42 of the mounting device 40.

  Further, since the mounting body 74 is formed in the horizontal direction in the lower frame body 44 of the mounting device 40, the mounting bracket 79 (FIG. 2) faces downward from the back surfaces of the receiving device 10 and the transmitting devices 16, 18. If a fixing bolt is passed through the mounting hole 74 through a mounting hole (not shown) drilled in the mounting bracket 78, and a nut 76 is screwed into the bolt, The lower portions of the receiving device 10 and the transmitting devices 16 and 18 can be fixed to the frame 44 below the mounting device 40.

  As described above, the attachment device 40 of this embodiment is not attached to the support column 30 using the belt bodies 35 to 38 like the attachment brackets 32 and 34 of the antennas 2 and 22, The support arm 56, 58 surrounds the support 30, and the support 30 is attached to the support 30 in a state where the support 30 is sandwiched between the support 52 and the support 54.

  An attachment hole 72 (or 74) for attaching the reception device 10 and the transmission devices 16 and 18 is formed in the arm metal 52 and the support arms 56 and 58, and the attachment hole 72 (or 74) is provided in the attachment hole 72 (or 74). Each of these devices can be directly attached.

  Therefore, according to the mounting device 40 of the present embodiment, when the receiving device 10 and the transmitting devices 16 and 18 are installed on the support column 30, the scaffold (see FIG. 2) is fixed at a desired height position. Then, the installation of the attachment device 40 and the attachment of each device to the attachment device 40 can be performed, and the workability during the installation can be improved. In addition, if the scaffold is fixed at a height where it is easy to work, the operator does not have to take an unreasonable posture during the installation work, so the installation work can be performed safely. Moreover, since several apparatus can be arrange | positioned in the same height position around a support | pillar, the appearance after apparatus installation can also be improved.

  Furthermore, the attachment device 40 of the present embodiment connects the two frame bodies 42 and 44 composed of the arm brackets 52 and 54 and the support arms 56 and 58 via the connecting members 46 and 48, The two frames 42 and 44 are arranged at predetermined intervals in the axial direction with respect to the support column 30 so that the upper and lower portions of the receiving device 10 and the transmitting devices 16 and 18 can be fixed to the upper and lower frames 42 and 44. Has been. For this reason, even if these devices are large or heavy, these devices can be firmly fixed to the column 30.

As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, A various aspect can be taken in the range which does not deviate from the summary of this invention.
For example, in the embodiment described above, in the frame bodies 42 and 44, the arm metal 52 (specifically, the arm portion 62) and the support arms 56 and 58 are integrally formed so as to be substantially U-shaped when viewed from above. However, these units may be configured separately.

  Further, the support arms 56 and 58 are not necessarily connected to both ends of the arm portion 62 constituting the arm metal 52. For example, as shown in FIG. 58 may be extended from a connecting portion to 58, and an attachment hole 72 serving as an attachment portion of the device may be formed in the extending portion 82.

  And if it does in this way, the brace 52 will be extended outward from the loop surrounding the support | pillar 30, However Equipments, such as a transmitter and a receiver, can also be attached also to the extension part 82. Therefore, the number of devices that can be attached to the attachment device 40 can be increased.

  Moreover, in the said embodiment, although the braces 52 and 54 and the support arms 56 and 58 which comprise the attachment apparatus 40 were demonstrated as what was only elongate, these each part is substantially the shape which recessed the substantially center part. You may make it form in a U shape and arrange | position so that the inner side of a U shape may face a support | pillar.

  For example, FIG. 6B shows a mounting device 40 in which the support arms 56 and 58 are bent in a dogleg shape, but according to this mounting device 40, the support arm bent in a dogleg shape. Since devices can be attached to the sides 56 and 58, the number of devices that can be attached to the attachment device 40 can be increased. In addition, in the attachment apparatus 40 shown in FIG.6 (b), it enables it to attach an apparatus by drilling the attachment hole 72 also in the arm bracket 54. FIG.

  Further, in the above embodiment, the mounting device for mounting the transmission / reception device of the relay system to the support column has been described. However, the mounting device of the present invention, for example, attaches the reception antenna 2 or the transmission antenna 22 to the support column. Even when a device other than the transmitter / receiver is attached to the support, it can be used.

It is a block diagram showing the structure of the relay system of embodiment. It is explanatory drawing showing the state which attached the various apparatus which comprises the relay system of embodiment to the support | pillar. It is a disassembled perspective view showing the structure of the attachment apparatus of embodiment. It is a perspective view showing the state where the attachment device of the embodiment was assembled by itself. It is a top view showing the state which looked at the attachment apparatus of FIG. 4 from upper direction. It is explanatory drawing showing the other structural example of an attachment apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 2 ... Reception antenna, 4 ... Duplexer, 6 ... 1st CH receiving circuit, 8 ... 2nd CH receiving circuit, 10 ... Receiving device, 12 ... 1st CH transmitting circuit, 14 ... 2nd CH transmitting circuit, 16, 18 ... Transmitting device, DESCRIPTION OF SYMBOLS 20 ... Duplexer, 22 ... Transmitting antenna, 24, 26 ... Reference signal generator, 30 ... Strut, 32, 34 ... Mounting bracket, 35-38 ... Belt body, 40 ... Mounting device, 42, 44 ... Frame body, 46 , 48 ... connecting member, 46a ... mounting hole, 52, 54 ... arm metal, 54a ... insertion hole, 56, 58 ... support arm, 56a, 58a ... screw hole, 56b, 58b ... insertion hole, 69, 76 ... nut, 62, 63 ... arm part, 64 ... contact plate, 65 ... recess, 66, 68 ... bolt, 72, 74 ... mounting hole, 78, 79 ... mounting bracket, 82 ... extension part.

Claims (6)

A mounting device for mounting a device on a column,
A pair of arms that are wider than the column and a contact portion that is disposed at a substantially central portion of the arm and is in contact with the outer peripheral surface of the column, and is disposed to face each other across the column. With a bracelet,
A pair of support arms for connecting the ends facing each other in the pair of arms;
In a state where the respective braces and the respective support arms are arranged around the pillars, a fixing member that clamps the pillars with the pair of braces by fastening and fixing the ends to each other;
The provided, among the edges which are formed on said post around at each cross-arm and each support arm, on one side, which is formed by one side and the support arm formed by at least the cross-arm, respectively A device mounting apparatus , wherein a mounting portion for detachably mounting the device is provided .   Of the pair of armrests, one armature and the pair of support arms are integrally formed, and the other armrest and the open end side of each support arm are detachable via the fixing member. The apparatus mounting apparatus according to claim 1, wherein the apparatus is configured to be fastened and fixed.   At least one of the arm metal and the support arm is formed with an extending portion extending outward from a loop surrounding the support column so that a plurality of devices can be arranged in the horizontal direction. The apparatus mounting apparatus according to claim 1 or 2. At least one of the cross-arm and the support arm is formed in a shape of a substantially L with recessed substantially central portion, is arranged such that inner shape of該Ku facing the strut Rutotomoni, the該Ku The device attachment device according to any one of claims 1 to 3 , wherein the attachment portion is provided on each of two sides forming the character . The pair of armrests, the pair of support arms, and the fixing member, and including a plurality of frames disposed around the support column,
The apparatus mounting device according to any one of claims 1 to 4, further comprising a connecting member for arranging each frame body at a predetermined interval in an axial direction of the support column. .   The apparatus according to claim 1, wherein the apparatus is a transmission apparatus or a reception apparatus in a relay system.

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