JPH0530332Y2 - - Google Patents

Description

[Detailed explanation of the idea]

[0001]

[Field of Industrial Application] The present invention relates to an improvement of a cubicle that houses a power supply/demand transformer (hereinafter referred to as PCT) inside.

[0002]

[Prior Art] A conventional cubicle of this type is disclosed in Utility Model Application Publication No. 3-9, filed by the present applicant.
The one described in Publication No. 11303 is known.
This is shown in FIG. When installing the PCT inside this cubicle, the chain block B is locked to the eye bolt 28 on the roof 22 via the support wire W2, and this is placed outside the cubicle box body 21. After the load wire W1 of the chain block B is routed around the pulley 27 at the bottom of the box body 21, it is folded upward, passed through the intermediate pulley 26 on the ceiling, and routed around the support pulley 25, and then folded back again and placed inside the box body 21. connected to the top of the PCT,
Operate chain block B outside the box body 21.
The PCT is lifted up to a predetermined position and fixed to the support section 24. In this case, since the chain block B is placed outside, the box body 21
There is no need for space to install the chain block B at the top of the PCT, so the PCT can be installed as high as possible, and the conductor
A space S sufficient for accommodating the extra length C1 can be taken.

【0003】

[Problems to be Solved by the Invention] The conventional cubicle described above has a structure in which the extending portion of the support wire W2 hangs over the roof 21. However, the roof 22 of the cubicle often does not have sufficient strength;
In this case, there is a problem that the roof 22 cannot withstand the weight of the PCT and is damaged. Therefore, the present invention prevents the weight of the PCT from damaging other components when the PCT is lifted by the chain block in a transformer-accommodating cubicle equipped with multiple pulleys for hanging wires connected to the chain block. Our goal is to provide something that has never been seen before.

[0004]

[Means for Solving the Problems] In the present invention, in order to solve the above problems, support rods 4 and 5 for suspending the upper part of the PCT are provided in the upper part of the box body 1 constituting the cubicle. In addition to providing a suspension support member, a bottom support member such as a support stand 6 for supporting the bottom of the PCT is provided, and a first pulley 9 is installed on the ceiling of the box body 1 above the mounting position of the PCT. Attachment: A load wire W for hoisting the PCT is hung around this first pulley 9, and a second pulley 10 is attached to the rear upper part of the box body 1.
The load wire W pulled out from the first pulley 9 is hung around this to pull it down, and then the second pulley 9 is pulled down.
Located below the pulley 10 and inside the bottom of the box 1,
Load wire W pulled down from second pulley 10
A third pulley 12 is installed along the bottom of the cubicle to pull out the transformer, and a locking part such as a locking bolt 13 for locking the chain block B is provided at the bottom of the cubicle. A storage cubicle is configured, a chain block B is placed at the bottom of the cubicle and is locked to the locking part 13, and a load chain Ch1 pulled out from the third pulley 12 is connected to the chain block B.
The bottom support member 6 allows the PCT to be placed and fixed on the upper part of the bottom support member 6, and a downwardly open space G is provided at the bottom of the bottom support member 6, so that the PCT can be lifted up. When placed at the bottom of the cubicle with the chain block B attached to the bottom, the chain block B and its load chain Ch1 and hand chain Ch2 are connected to the space G.
It was configured so that it can be accepted within the network and straddle these without interfering with operation.

[0005]

[Operation] In the cubicle of the present invention, when installing the PCT inside the cubicle, first the support stand 6 is fixed to the bottom of the PCT, and this is placed in the device section of the cubicle. Then, the end of the load wire hanging down from the first pulley 9 is locked to the PCT. Also,
A chain block B is placed at the bottom of the cubicle and is locked to a locking part such as a bolt 13. At this time, the chain block B and the chains Ch1 and Ch2 connected thereto are accommodated in the space G below the support base 6 so that they do not interfere with the operation. Then, the load chain Ch1 of this chain block B or the load wire W connected thereto is applied to the first pulley 9, the second pulley 10, and the third pulley 12 to operate the chain block, and the load wire W is connected to the support base 6. Lift up the PCT. After lifting the PCT to a predetermined position, the PCT is fixed using the suspension supports 4 and 5 and the bottom support member 6. In this case, the cubicle will not be damaged because the load wire does not hang over any weak parts. Chain block B is placed at the bottom of the cubicle, but since it is accommodated in the space G below the support base 6, even if the PCT is placed inside the cubicle prior to lifting, there will be no obstruction to the operation of chain block B. do not become. No space is required for installing the chain block B in the upper part of the box body 1, so the PCT can be installed as high as possible in the upper part, and the extra length C of the conductor C is placed below the PCT.
A space S sufficient for accommodating 1 can be taken.

[0006]

Embodiment FIGS. 1 to 4 show an embodiment of the present invention. FIG. 1 is a schematic perspective view of a cubicle according to the present invention, FIG. 2 is a front view of the cubicle according to the present invention, FIG. 3 is a perspective view of a transformer installed, and FIG. 4 is a perspective view of a support base.

[0007] In FIG. 1, 1 is a box body of a cubicle, 2 is a front side surface provided with a door, and 3 is a rear side surface opposite to the door. Support rods 4 and 5 for suspending the upper horizontal rod A of the PCT are installed on the front and rear sides of the upper part of the box body 1 so as to face each other. A support plate 7 for fixing the lower part of the PCT via a support stand 6 is installed below the support rod 4.
A horizontal support 8 is installed in the center of the ceiling of the box 1, and a first pulley 9 is attached to the center of the horizontal support 8. A second pulley 10 is mounted on the ceiling on the rear side 3 side.
Further, third pulleys 12 are respectively attached to the floor 11 directly below. First pulley 9, second pulley 1
0. The third pulley 11 is used when lifting the PCT.
This is for wrapping around the middle part of the load chain Ch1 of the chain block B or the load wire W connected thereto. A locking bolt 13 is attached to the front of the floor 11 for locking a chain block B installed thereon. The support stand 6, which is the bottom support member of the PCT, is made of a steel plate bent into a substantially U-shape.
4 and a pair of parallel side plates 15 hanging from both sides.
and a mounting tongue 16 extending from one end of the side plate 15 at right angles to the left and right. The mounting tongue piece 16 is
This is for fixing the support stand 6 to the support plate 7 with bolts. A downwardly open space G is formed between the side plates 15, 15. A fixing auxiliary member 17 made of angle steel is provided on the outer surface of the side plate 15.
is fixed horizontally so as to constitute a mounting surface continuous to the mounting plate 14. The fixing auxiliary member 17 is
This is for fixing the stationary PCT placed on the mounting plate 14 with bolts 18.

[0008] When installing a PCT inside this cubicle, a chain block B is placed on the floor 11 of the box 1 and is locked to the locking bolt 13. Then, it is connected to the load chain Ch1 of this chain block B and the load wire W. Load chain Ch1 to floor 1
1, then wrap it around the third pulley 12, turn it back upwards, connect it to the load wire W on the way, then sequentially wrap it around the second pulley 10 and first pulley 9 on the ceiling, and go downwards again. Fold it back and place box 1 in advance.
Connect to the top of the PCT placed inside. Then, at the bottom of box body 1, the operation chain of chain block B is
Operate Ch2 to lift the PCT to the specified position,
First, the mounting tongue piece 16 of the support stand 6 is bolted to the support plate 7 and supported. Next, one end side of the horizontal rod A of the PCT is fixed to the support rod 4, then the support rod 5 is attached, and the other end side of the horizontal rod A is fixed to the support rod 5. After fixing, remove chain block B. The wire W may be recovered as necessary, or may be left in the cubicle with its end portion locked at a required location. The support base 6 is connected to the cubicle only at the rear, and has no connecting portion at the front. Therefore, there is a high degree of freedom in wiring work, which is performed mainly from the front with the door open. Note that, prior to lifting by the chain block B, a support stand 6 is attached to the bottom of the PCT, and in this state it is placed on the floor 11 of the cubicle. At this time, chain block B and its chain Ch
1, Ch2 is placed in the space G under the support stand 6 and can be operated without any trouble. Place chain block B at the bottom like this
Since there is no need for installation space for the chain block B in the upper part of the cubicle in order to perform the work of lifting the PCT, a space S is formed below the PCT, as shown in FIG. In this space S, PCT
The extra length C1 of the conducting wire C can be wound and housed.

[0009]

[Effect of the invention] As described above, in the present invention, in the upper part of the box 1 constituting the cubicle,
Suspension support members such as support rods 4 and 5 for suspending the upper part of the PCT are provided, and a bottom support member such as the support base 6 for supporting the bottom of the PCT is provided above the mounting position of the PCT. Box body 1 located at
The first pulley 9 is installed on the ceiling of the
A load wire W for hoisting the PCT is hung around the box body 1, and a second pulley 10 is attached to the rear upper part of the box body 1, and a load wire W pulled out from the first pulley 9 is hung around it to pull it down. Further, a third pulley is located below the second pulley 10 and inside the bottom of the box body 1 for wrapping the load wire W pulled down from the second pulley 10 and pulling it out along the bottom of the cubicle. 12, and a locking part such as a locking bolt 13 for locking chain block B is provided at the bottom of the cubicle to form a transformer housing cubicle, and chain block B is placed at the bottom of the cubicle. The chain block B
The load chain Ch1 pulled out from the third pulley 12 is connected to the bottom support member 6 so that the PCT can be lifted up.
In addition to making it possible to place and fix the PCT on it,
At the bottom of it, an air G that is open downward is provided,
When the PCT is attached to the bottom of the PCT and placed at the bottom of the cubicle, the chain block B and its load chain Ch1 and hand chain Ch2 are received in the space G so that they do not interfere with operation. Because it is configured so that it can straddle the cubicle, chain block B can be placed at the bottom when installing the PCT inside the cubicle, and as a result, no space is required to install chain block B at the top of the cubicle. Therefore, the PCT can be installed as high as possible, and the extra length C1 of the conductor C can be placed below the PCT.
Sufficient space S can be taken to accommodate the Furthermore, since the load wire W does not hang over a fragile part, the cubicle is not damaged even when a heavy PCT is lifted.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view of a cubicle according to the present invention.

FIG. 2 is a front view of a cubicle according to the present invention.

FIG. 3 is a perspective view of the installed state of the transformer.

FIG. 4 is a perspective view of the support base.

FIG. 5 is a schematic perspective view of a conventional cubicle.

[Explanation of symbols]

1...Box body 4...Support rod (upper support member) 5...Support rod (upper support member) 6...Support stand (bottom support member) 9...First pulley 10...Second pulley 12...Third pulley 13... Locking bolt (locking part) PCT……Transformer B...Chain block Ch1...road chain Ch2...operation chain G...Space W...Load wire.

Claims (1)

[Scope of utility model registration request] [Claim 1] Inside a box with a door at the front,
In a cubicle for power distribution equipment that accommodates a large instrument transformer, a suspension member for suspending the upper part of the instrument transformer is provided in the upper part of the box constituting the cubicle as far as possible, and the cubicle A bottom support member for supporting the bottom of the instrument transformer is provided in the box forming the instrument transformer, and a first support member is provided on the ceiling of the box, located above the installation position of the instrument transformer. A pulley is attached, and a wire connected to a load chain of a chain block for hoisting the instrument transformer can be routed around the first pulley, and a second pulley is attached to the rear of the upper part of the box body. attached, the wire pulled out from the first pulley can be hung around the second pulley and pulled down, and located below the second pulley and inside the bottom of the box, Attach the third pulley, and attach the second pulley to the third pulley.
A load wire connected to the wire pulled down from the pulley can be hung around and pulled out along the bottom of the cubicle, and a locking part for locking the chain block is provided at the bottom of the cubicle. the chain block is disposed at the bottom of the cubicle and is locked to the locking portion, the chain block is configured to be able to lift the instrument transformer; and the chain block is configured to be capable of lifting the instrument transformer; The instrument transformer can be mounted and fixed on the upper part of the cubicle, and has a downwardly open space at the bottom, and can be attached to the bottom of the cubicle before lifting the instrument transformer. A transformer housing cubicle characterized in that, when placed in a transformer housing cubicle, the chain block and its load chain and hand chain can be received in the space and straddled over them so as not to impede operation. .