JP4210201B2 - Cable processing equipment for mobile control panels. - Google Patents

Description

  The present invention relates to a mobile control panel in a dam, power plant, etc., which can move while securely supporting a heavy and numerous cable connecting between a fixed control panel and a movable control panel. It is related with the cable processing apparatus.

  Control panels for monitoring and control in dams, power stations, etc. handle a lot of information and perform sophisticated calculations and monitoring, so many control panels, interface panels, TC panels, etc. are required. Including the housing of the device, there are about 20 faces. It is necessary to secure a maintenance space around the control panel because the work is performed several times a year, such as equipment maintenance and wiring changes. For this reason, the maintenance space is usually a dead space.

  In order to efficiently install these cases in the smallest possible space and to reduce dead space as much as possible, a mobile control panel has been used in the past, and the movable control panel can be moved by electric or manual operation. The maintenance space that can be done is secured around the control panel.

(1) “Moving rack for control panel” disclosed in Japanese Patent Application Laid-Open No. 11-187518 is installed with a group of communication devices facing each other, mounted on a moving carriage, and horizontally reciprocated. It is configured to be able to. Also, by mounting the cable rack in the connected device group and passing the inter-device cable through the cable rack, the communication devices can be connected so that they can be reciprocated horizontally simultaneously with the connected device group. It is a thing.
(2) “Moving shelf system drive device” disclosed in Japanese Patent Laid-Open No. 6-80215 has fixed shelves on the left and right sides, and a plurality of shelves supported movably along the rails. The signal cables between the shelves are connected so as to hang down so as not to hinder the movement.
(3) “Cable processing method in moving rack of control panel” disclosed in Japanese Utility Model Publication No. 4-36839 is provided with a plurality of moving shelves supported so as to be movable along rails 4 and the upper surfaces of these moving shelves. Is provided with an external wiring device that opens / closes and bends in a V shape that supports a wiring cord for connecting the movable shelves.
(4) The “storage device” disclosed in Japanese Utility Model Publication No. 62-21926 is provided with a plurality of storage boxes supported so as to be movable along the rails. A cord passing tool that opens and closes and bends in a V shape that supports an electric cord for connection is provided.
JP-A-11-187518 Japanese Patent Laid-Open No. 6-80215 Japanese Utility Model Publication No. 4-36839 Japanese Utility Model Publication No. 62-21926

The problem to be solved by the present invention is that none of the conventional apparatuses are thick and heavy and can move while supporting a large number of cables. Specifically, the target cable in the apparatus of the present invention has a diameter of 20 mm including the outer cover, 25 to 50 signal cables, and 15 to 30 power cables. In an external wiring device that opens and closes to a V shape as shown in Japanese Utility Model Laid-Open No. 4-36839, and a cord passing tool that opens and closes to a V shape as shown in Japanese Utility Model Publication No. 62-21926, I can't support it.
In addition, it is heavy to connect a signal cable as shown in Japanese Patent Application Laid-Open No. 6-80215 in a hanging state, and in the case of a large number of cables, the movable control panel moves with the weight of the cable. The cable moves up and down with the movement of the movable control panel, and there is a risk that the connection part of the movable control panel and fixed control panel of the cable may be overloaded and disconnected without being supported. there were.
Further, if the signal cable and the power cable are passed through the same tray or connected in an exposed state, noise may be mixed into the signal cable from the power cable or the outside, resulting in malfunction.
It is an object of the present invention to provide a cable processing apparatus in a mobile control panel that is capable of moving while reliably supporting a heavy and numerous cable connecting between two control panels when moving the movable control panel. It is the purpose.

  The present invention relates to a mobile control panel in which at least one of two control panels connected to each other by a plurality of cables is a movable control panel. One end of each of the two control panels is rotated. Wiring arms that can swing substantially horizontally are provided by pins, and the other ends of these wiring arms are connected to both ends of the connecting wiring arm so as to be pivotable by pins. The cables are housed in two connecting wiring arms, and the pins are provided at positions shifted by the same distance from the respective pins in the two wiring arms and having a phase difference of 180 degrees from each other, The two wiring arms and one connecting wiring arm are connected to each other by a link that opens and closes symmetrically with respect to the center line, and the connecting wiring arm is fixedly connected. A cable management apparatus in a mobile control panel, characterized by comprising slidably mounted digits loading cradle.

According to the first aspect of the present invention, the two control panels are each provided with the wiring arm whose one end can be swung substantially horizontally by the rotation pin, and the connecting wiring between the other ends of these wiring arms. Since the cables are housed in these two wiring arms and one connecting wiring arm, both ends of the arm are pivotally connected by pins, so that the bending of the cable accompanying the movement of the control panel is minimized. The cable is not stressed.
Pins are provided at positions shifted by the same distance from the respective pins in the two wiring arms and have a phase difference of 180 degrees from each other, and these pins are connected by a link. The wiring arm and one connecting wiring arm open and close symmetrically with respect to the center line, not only to prevent local bending of the cable, but also the load of the cable is distributed evenly during the movement of the control panel, Can withstand long-term use.
Since the connecting wiring arm is slidably mounted on a fixed load cradle, the weight of the cable end can always be received while sliding on the flex load cradle regardless of the movement of the control panel. The movement of the movable control panel becomes smooth.

  According to the invention described in claim 2, the two wiring arms have one side plate portion and the partition plate portion fixed to the bottom plate portion, and a cover composed of the other side plate portion and the top plate portion is detachably attached. The connecting wiring arm has one side plate portion and a partition plate portion fixed to the bottom plate portion, and a cover made of the other side plate portion and the top plate portion is detachably attached to form a square tube shape, Since at least two stages of cable storage sections are formed to store cables for each purpose of use, for example, communication cables and power cables can be stored separately, and even if the number of cables increases or becomes heavy Since the cover can be removed after the cover is removed and stored in the cable storage portion, the cable processing operation becomes extremely simple.

  According to the invention described in claim 3, since the caster is attached to the lower surface of the caster receiving plate provided integrally with the connecting wiring arm, and the caster is slid on the load receiving table, the load on the cable is almost felt. The control panel can be moved without any problems.

  According to the fourth aspect of the present invention, tongue portions are provided at the other ends of the two wiring arms, pin holes are formed at the center of these tongue pieces, and tongues are formed at both ends of the connecting wiring arm. Since the pin is provided in the center of the lower surface of the tongue piece, the pin is rotatably fitted in the pin hole while the tongue piece of the connecting wiring arm is placed on the tongue piece of the wiring arm. The assembly of the two wiring arms and the connecting wiring arm can be made extremely simple by simply rotating the pin into the pin hole while placing the tongue of the connecting wiring arm on the tongue of the wiring arm. In addition, it is easy to add and remove cables.

  According to the fifth aspect of the present invention, one side plate portion, the partition plate portion, the other side plate portion, the top plate portion of the two wiring arms, and the one side plate portion, the partition plate portion, and the other of the connection wiring arm. The side plate and the top plate are made of a metal plate having conductivity and a large number of small holes. Therefore, it is possible to prevent the communication cable from being mixed with noise from the power cable and the outside. The weight can be reduced.

  The overhead wiring arm according to the present invention is substantially U-shaped by interposing a connecting wiring arm between two wiring arms, and this U-shaped overhead wiring arm is a guide for supporting a heavy cable. A rail and a load cradle are fixedly provided, and the movable control panel can be moved while supporting the connecting wiring arm with the load cradle. In addition, a link is attached to open and close the U-shaped overhead wiring arm consisting of two wiring arms and one connecting wiring arm in a symmetrical manner, and it is thick and heavy with multiple signal cables and power cables. In order to pass through, a multi-stage tray system is used, and it also has an effect of preventing noise mixing between the stages.

A first embodiment of the present invention will be described below with reference to the drawings.
In FIG. 1 to FIG. 3, two fixed control panels 10 are fixedly arranged on both sides of the floor 12, and between these fixed control panels 10, two movable control panels movable on the rail 13. 11 is placed on the carriage 14.
More specifically, the fixed control panel 10 is fixedly attached to the wall side with a door space 18 that allows a person to enter and maintain the fixed control panel 10 and open and close windows on the wall side. Yes. The movable control panel 11 is mounted on a carriage 14, and the carriage 14 mounts wheels (not shown) on five rails 13 laid between two fixed control boards 10, It can be moved manually or electrically. When the two movable control panels 11 are brought close to either one of the fixed control boards 10 on either side, or when they are brought close to one of the movable control boards 11, the space between the movable control boards 11 or between the movable control board 11 and the fixed control board 10 is The maintenance space 17 is arranged with enough space for maintenance when a person enters and exits.
A movable handle 15 is provided on the front side of the movable control panel 11 on the short side, and a cart fixing bracket 16 is provided on both sides of the short side.

The fixed control panel 10 and the movable control panel 11 accommodate a large number of control panels for monitoring control in dams, power plants, etc., housings such as interface panels and TC panels, and other related devices.
The top panel 19 of the fixed control panel 10 and the top panel 20 of the movable control panel 11 are provided with cable outlets 21 and 22 at their ends. Of these, one end of the elongated rectangular tube-shaped wiring arm 24 is attached to a position facing one of the cable outlets 21 by a rotating pin 37 fitted to the pin receiving portion 38 so as to be swingable. In addition, one end of an elongated rectangular tube-like wiring arm 25 is attached to a position facing the other cable outlet 22 by a rotation pin 37 so as to be swingable. The wiring arm 24 and the other end of the wiring arm 25 are connected by a connecting wiring arm 26 so as to be swingable by a pin 47.
Further, guide rails 27 are fixedly spanned between the top plates 19 and 19 of the fixed control panels 10 and 10 on both sides, and load receiving bases 28 are provided on both ends of the guide rails 27, respectively. A caster receiving plate 43 of the connecting wiring arm 26 is slidably mounted.

Next, more specific structures of the wiring arm 24, the wiring arm 25, and the connecting wiring arm 26 will be described with reference to FIGS.
Since the wiring arm 24 and the wiring arm 25 have the same structure, only the wiring arm 24 will be described below.
The wiring arm 24 is formed in the shape of a rectangular tube with both ends opened to have a width of about 180 mm and a height of about 200 mm by a bottom plate portion 30, a side plate portion 31a, a side plate portion 31b, and a top plate portion 32 of an elongated metal plate. Is a cable storage portion 29, which is partitioned into two upper and lower stages by a partition plate portion 33, and constitutes a signal cable storage portion 29a and a power supply cable storage portion 29b. If the wiring arm 24 is formed in a rectangular tube shape in advance, the operation of passing the cable 23 becomes troublesome. Therefore, as shown in FIGS. 4 and 8, the side plate portion 31a welded with the partition plate portion 33 is attached to the bottom plate portion 30. The side plate portion 31b and the top plate portion 32 form an L-shaped cover, and the cable 23 is stored in the signal cable storage portion 29a and the power cable storage portion 29b. Attach it detachably.

Reinforcing fins 34 are provided on both sides and the center of the bottom plate 30 to support the heavy cable 23. Further, the side plate portions 31a and 31b, the top plate portion 32, and the partition plate portion 33 are desirably metal plates having a large number of small holes for heat dissipation, noise prevention, and weight reduction.
To the one end of the bottom plate portion 30 and the partition plate portion 33 in the wiring arm 24, as shown in FIG. 8, the tongue piece portion 35 and the tongue piece portion 36 having a semicircular tip are extended or attached with another member. Form. As shown in FIG. 5, a pin hole 48 is formed at the center of the tongue piece portion 35 of the bottom plate portion 30.

  The connecting wiring arm 26 is formed in a rectangular tube shape having both ends opened to have a width of about 180 mm and a height of about 200 mm by a bottom plate portion 39, a side plate portion 40a, a side plate portion 40b, and a top plate portion 41 of an elongated metal plate. The interior is partitioned into two upper and lower stages by the partition plate portion 42. As shown in FIG. 9, the connecting wiring arm 26 also has a side plate portion 40 a welded with a partition plate portion 42 attached in advance to the bottom plate portion 39, and the side plates 40 b and the top plate portion 41 have end faces L. After the mold cover is formed and the cable 23 is stored, the cover is detachably attached with screws or the like.

As shown in FIG. 9, a tongue piece portion 46 having a semicircular tip is extended or a separate member is attached to both ends of the bottom plate portion 39 of the connecting wiring arm 26. As shown in FIGS. 5 and 9, a pin 47 is provided downward at the center of the tongue piece portion 46, and a pin hole 48 formed in the tongue piece portion 35 of the wiring arm 24 and the wiring arm 25. And is swingably attached by a washer 49 and a nut 50. Further, cable guide blocks 45 are provided at both ends of the partition plate portion 42 to bend without stressing the cable 23 and without damaging the outer skin. The cable guide block 45 can also be provided at both end portions of the bottom plate portion 39.
A caster receiving plate 43 is horizontally provided at the upper end portion of the side plate portion 40a, and two casters 44 are attached to the lower surface of the caster receiving plate 43 as shown in FIGS. . These casters 44 move while sliding on the load cradle 28 in FIG.

After assembling the wiring arm 24, the wiring arm 25, and the connecting wiring arm 26, as shown in FIG. 4, links 51 are formed on the lower surfaces of the tongue pieces 35, 35 of the wiring arms 24, 25 at both ends. The pins 52 are connected. This link 51 is for opening and closing the wiring arm 24 and the wiring arm 25 symmetrically with respect to the center line L, and the pin 52 in the wiring arm 24 is outside by a distance d on the line connecting the rotating pin 37 and the pin 47. The pin 52 in the wiring arm 25 is supported on the inner side by a distance d on the line connecting the rotation pin 37 and the pin 47, and has a phase difference of 180 degrees.
With this configuration, if the wiring arm 25 is opened from b0 to b1 by the movement of the movable control panel 11, the link 51 forcibly opens the wiring arm 24 from a0 to b1 at the same angle. The same applies to closing, and therefore the wiring arm 24 and the wiring arm 25 open and close symmetrically with respect to the center line L.

The operation of the cable processing apparatus in the mobile control panel according to the present invention configured as described above will be described.
Of the cables 23 drawn out from the cable outlet 21 of the fixed control panel 10, the power cable 23b is stored in the power cable storage section 29b, and the signal cable 23a is stored in the signal cable storage section 29a. The wiring arm 26 is housed in the lower and upper stages, is further housed in the power cable housing portion 29 b and the signal cable housing portion 29 a of the wiring arm 25, and is introduced from the cable outlet 21 of the wiring arm 25.
The wiring arm 24 and the wiring arm 25 are each attached with a cover made up of the side plate portion 31 b and the top plate portion 32, and the connecting wiring arm 26 is fitted with a cover made up of the side plate portion 40 b and the top plate portion 41. . The state at this time is shown in FIG.

  After the cable 23 is connected between the fixed control panel 10 and the movable control panel 11 in this way, the carriage fixing bracket 16 is removed, and the handle 15 is turned to move the movable control panel 11. As the movable control panel 11 moves, the wiring arm 25 is dragged to swing around the rotation pin 37 as a fulcrum. In FIG. 4, when the wiring arm 25 rotates from b0 to b1, the pin 52 of the tongue piece 35 pulls the link 51 by the angle, so that the multi-end pin 52 of the link 51 moves the wiring arm 24 from a0 to a1. Rotate (same angle as from b0 to b1). This means that the connecting wiring arm 26 always keeps a parallel state, and the wiring arm 24 and the wiring arm 25 move while maintaining a symmetrical shape with respect to the center line.

When the caster 44 provided on the caster receiving plate 43 integral with the connecting wiring arm 26 slides on the load receiving base 28, the caster receiving plate 43 is stored in the wiring arms 24 and 25 and the connecting wiring arm 26. The cable 23 moves so as to approach the rotating pin 37 while receiving the load of the cable 23 at the load receiving base 28. FIG. 11 is a plan view when the movable control panel 11 is moved by a predetermined distance. A maintenance space 17 having a predetermined width is formed between the fixed control panel 10 and the movable control panel 11.
When the movable control panel 11 is returned to its original position, the operations of the wiring arms 24 and 25 and the connecting wiring arm 26 are substantially the same except that the operations described above are reversed.

  In FIG. 1, since two movable control panels 11 are provided between the fixed control panels 10 on both sides, in order to form the maintenance space 17 between the other movable control panel 11 and the fixed control panel 10, The movable control panel 11 is returned to the original position and the other movable control panel 11 is moved.

The above embodiment relates to the processing of the cable 23 that connects between the fixed control panel 10 and the movable control panel 11, but is not limited to this and connects between the two movable control panels 11. In the case of processing the cable 23, it can be used as it is.
In more detail based on FIG. 12, two movable control panels 11 that are movable along the rails 13 are provided between the fixed control panels 10 on both sides, and also between these two movable control panels 11. A cable processing apparatus including wiring arms 24 and 25 and a connecting wiring arm 26 is provided. There are a case where the right movable control panel 11 is fixed and the left movable control panel 11 is moved, and a case where the left movable control panel 11 is fixed and the right movable control panel 11 is moved. In any case, the load receiving base 28 is formed wide so that the caster 44 of the caster receiving plate 43 can slide reliably. Other configurations are the same as those of the cable processing apparatus between the fixed control panel 10 and the movable control panel 11.
Of course, there may be three or more movable control panels 11 as well as two.

  The present invention is not limited to mobile control panels in dams, power plants, etc., but can also be used as it is for substation switchboard monitoring devices, disaster / disaster prevention monitoring devices, traffic monitoring devices and other mobile control panels. .

It is a top view which shows one Example of the cable processing apparatus in the mobile control panel by this invention. It is a front view of FIG. FIG. 2 is an enlarged side view of FIG. 1. FIG. 6 is a bottom view showing a coupled state of two wiring arms 24 and 25 and a connecting wiring arm 26. FIG. 5 is an exploded side view for explaining a coupling state of two wiring arms 24, 25 and a connecting wiring arm 26. FIG. 4 is an end view of the wiring arm 24 or the wiring arm 25 with a part cut away. It is a perspective view of the cable processing apparatus in the mobile control panel by this invention. FIG. 3 is an exploded perspective view in which a wiring arm 24 or a wiring arm 25 is partially cut away. 3 is an exploded perspective view of a connecting wiring arm 26. FIG. FIG. 6 is a plan view before movement for explaining the operation of the movable control panel 11. FIG. 6 is a plan view after movement for explaining the operation of the movable control panel 11. It is a top view of 2nd Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Fixed control panel, 11 ... Movable control panel, 12 ... Floor, 13 ... Rail, 14 ... Dolly, 15 ... Handle, 16 ... Dolly fixing bracket, 17 ... Maintenance space, 18 ... Door space, 19 ... Top plate, 20 DESCRIPTION OF SYMBOLS ... Top plate, 21 ... Cable outlet, 22 ... Cable outlet, 23 ... Cable, 24 ... Wiring arm, 25 ... Wiring arm, 26 ... Connecting wiring arm, 27 ... Guide rail, 28 ... Load cradle, 29 ... Cable housing part 30 ... Bottom plate part 31 ... Side plate part 32 ... Top plate part 33 ... Partition plate part 34 ... Reinforcement fin part 35 ... Tongue piece part 36 ... Tongue piece part 37 ... Rotating pin 38 DESCRIPTION OF SYMBOLS ... Pin receiving part, 39 ... Bottom plate part, 40 ... Side plate part, 41 ... Top plate part, 42 ... Partition plate part, 43 ... Caster receiving plate, 44 ... Caster, 45 ... Cable guide block, 46 ... Tongue piece part, 47 ... pin, 48 ... pin , 49 ... washer, 50 ... nut, 51 ... Link, 52 ... pin.

Claims (5)

    In a mobile control panel in which at least one of two control panels connected to each other by a plurality of cables is a movable control panel, one end of each of the two control panels is substantially horizontal by a rotating pin. Swingable wiring arms are provided, and the other ends of these wiring arms are connected to both ends of the connecting wiring arm so as to be rotatable by pins, and these two wiring arms and one connecting wiring are connected. The cable is housed in the arm, and a pin is provided at a position shifted by the same distance from each pin in the two wiring arms and having a phase difference of 180 degrees from each other. Are connected by a link for opening and closing the two wiring arms and one connecting wiring arm substantially symmetrically with respect to a center line, and the connecting wiring arm is fixedly provided with a load. Cable processing apparatus in a mobile control panel, characterized by comprising slidably mounted only platform.   The two wiring arms have one side plate portion and a partition plate portion fixed to the bottom plate portion, and a cover composed of the other side plate portion and the top plate portion is detachably attached to form a rectangular tube shape. The side plate portion and the partition plate portion are fixed to the bottom plate portion, and a cover made up of the other side plate portion and the top plate portion is detachably attached to form a rectangular tube shape, and at least 2 for storing a cable for each purpose of use. 2. The cable processing apparatus for a mobile control panel according to claim 1, wherein a stepped cable housing portion is formed.   3. A cable in a mobile control panel according to claim 1, wherein a caster is attached to a lower surface of a caster receiving plate provided integrally with a connecting wiring arm, and the caster is slid on a load receiving base. Processing equipment.   Tongue pieces are provided at the other ends of the two wiring arms, pin holes are formed at the center of these tongue pieces, and tongue pieces are provided at both ends of the connecting wiring arm. A pin is provided at the center of the lower surface, and the pin is rotatably fitted in the pin hole while the tongue piece of the connecting wiring arm is placed on the tongue piece of the wiring arm. 3. A cable processing device in a mobile control panel according to 2. One side plate portion, partition plate portion, other side plate portion, top plate portion in two wiring arms, and one side plate portion, partition plate portion, other side plate portion, top plate portion in the connection wiring arm are electrically conductive. 3. The cable processing apparatus for a mobile control panel according to claim 2, wherein the cable processing apparatus is made of a metal plate having a large number of small holes.

Images