JP2017112800A - Housing falling prevention jig - Google Patents

Housing falling prevention jig Download PDF

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JP2017112800A
JP2017112800A JP2015247644A JP2015247644A JP2017112800A JP 2017112800 A JP2017112800 A JP 2017112800A JP 2015247644 A JP2015247644 A JP 2015247644A JP 2015247644 A JP2015247644 A JP 2015247644A JP 2017112800 A JP2017112800 A JP 2017112800A
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leg
prevention jig
housing
fixing member
case
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JP6457928B2 (en
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純彦 浅川
Sumihiko Asakawa
純彦 浅川
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Toshiba Mitsubishi Electric Industrial Systems Corp
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Toshiba Mitsubishi Electric Industrial Systems Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a housing falling prevention jig which prevents damage of a floor surface and achieves reduction of the work time and good workability.SOLUTION: A housing falling prevention jig according to an embodiment includes: fixing members attached to two portions of an upper surface of a housing, in which an electric device is disposed, and fixed to the housing; leg members supporting the fixing members; and ground members supporting the leg members.SELECTED DRAWING: Figure 1

Description

本実施形態は、各種電気機器を内設する筐体を仮置き等する際に使用し、風等の外的要因によって筐体が転倒することを防止する筐体転倒防止治具に関する。   The present embodiment relates to a case overturning prevention jig that is used when temporarily placing a case in which various electric devices are installed, and prevents the case from overturning due to external factors such as wind.

従来から、制御盤や配電盤などのような各種電気機器を内設する筐体を所望の設置場所に据付ける前に仮置きしておく場合には、筐体の転倒を防止するために、例えば床面にアンカーを打設しワイヤーを張る等の措置や、筐体を専用の転倒防止用の台座に乗せる措置等が行われる。特に、奥行が浅く重心が高い筐体は、転倒するリスクが高く、このような筐体への転倒防止対策は十分になされる必要がある。   Conventionally, when temporarily placing a casing in which various electrical devices such as a control panel and a distribution board are installed at a desired installation location, in order to prevent the casing from falling, for example, Measures such as placing anchors on the floor and stretching the wires, or placing the housing on a dedicated pedestal for preventing falls are performed. In particular, a case with a shallow depth and a high center of gravity has a high risk of falling, and it is necessary to take sufficient measures to prevent such a case from falling.

特開２０１４−２２２９５７号公報JP 2014-222957 A

しかしながら、前者の転倒防止対策では、床面へのアンカー打設やワイヤーを張る等、作業が煩雑であり、また、床面へアンカーを打設するため床面を損傷させてしまう問題がある。また、作業時間が多くとられるため、作業員が転倒防止対策自体を行わず、筐体が転倒するなどの問題がある。他方、後者の転倒防止対策では、床面の損傷を回避できるものの、重量のある筐体を台座に乗せる必要があるため、場合によっては大掛かりな機械を使用しなければならず作業が煩雑となる虞があるという問題がある。   However, in the former measures for preventing overturning, there is a problem that the operation is complicated such as anchor placement on the floor surface or tensioning a wire, and the anchor surface is placed on the floor surface, and the floor surface is damaged. Further, since a lot of work time is taken, there is a problem that the worker does not take the measures for preventing the fall and the case falls. On the other hand, although the latter anti-tip measures can avoid damage to the floor surface, it is necessary to place a heavy casing on the pedestal, so that in some cases, a large-scale machine must be used and the work becomes complicated There is a problem of fear.

本発明は、このような問題に鑑み為されたものであり、床面の損傷を防ぐとともに、作業時間の短縮及び良好な作業性を実現できる筐体転倒防止治具を提供することを目的とする。   The present invention has been made in view of such a problem, and an object thereof is to provide a casing overturn prevention jig that can prevent damage to the floor surface and can realize shortening of working time and good workability. To do.

本実施形態に係る筐体転倒防止治具は、電気機器を内設する筐体の上面の２箇所に取り付けられ、上記筐体に固定される固定部材と、上記固定部材を支持する脚部材と、上記脚部材を支持する接地部材とを備えることを特徴とする。   The case overturning prevention jig according to the present embodiment is attached to two places on the upper surface of a case in which an electric device is installed, and a fixing member fixed to the case, and a leg member that supports the fixing member, And a grounding member that supports the leg member.

図１は、本実施形態１に係る筐体転倒防止治具で筐体を固定した状態を示す図である。FIG. 1 is a diagram illustrating a state in which the housing is fixed by the housing overturn prevention jig according to the first embodiment. 図２は、図１におけるＡ方向から見た図である。FIG. 2 is a view seen from the direction A in FIG. 図３は、図１におけるＢ方向から見た図である。FIG. 3 is a view seen from the direction B in FIG. 図４は、本実施形態１における第１の脚部及び第２の脚部との関係を示す図である。FIG. 4 is a diagram illustrating a relationship between the first leg and the second leg in the first embodiment. 図５は、本実施形態２に係る筐体転倒防止治具で筐体を固定した状態を示す図である。FIG. 5 is a diagram illustrating a state in which the housing is fixed by the housing overturn prevention jig according to the second embodiment. 図６は、本実施形態２における固定部材、第１の脚部及び挟持部材との関係を示す図である。FIG. 6 is a diagram illustrating a relationship among the fixing member, the first leg portion, and the clamping member in the second embodiment.

先ず、本実施形態１に係る筐体転倒防止治具について図１から図４を参照して詳細に説明する。
図１は、本実施形態１に係る筐体転倒防止治具で筐体を固定した状態を示す図である。図２は、図１のＡ方向（真上）から見た図であり、図３は、図１のＢ方向（真横）から見た図である。 First, the case overturn prevention jig according to the first embodiment will be described in detail with reference to FIGS. 1 to 4.
FIG. 1 is a diagram illustrating a state in which the housing is fixed by the housing overturn prevention jig according to the first embodiment. 2 is a diagram viewed from the A direction (directly above) in FIG. 1, and FIG. 3 is a diagram viewed from the B direction (directly lateral) in FIG.

筐体１００は、側面の1つが開口した方形箱状であり、開口している側面に扉１０１が開閉自在に取り付けられている。筐体１００の上面の４隅には、吊ボルト用穴部１０２が形成されている（図２参照）。筐体１００内部には、電気機器が内設されている。
筐体転倒防止治具１は、筐体１００の上面に取り付けられる固定部材２と、固定部材２を支持する脚部材３と、前記脚部材を支持する接地部材４とを備える。 The housing 100 has a rectangular box shape with one of its side surfaces open, and a door 101 is attached to the open side surface so as to be freely opened and closed. Hanging bolt holes 102 are formed at four corners of the upper surface of the housing 100 (see FIG. 2). An electrical device is installed inside the housing 100.
The case overturn prevention jig 1 includes a fixing member 2 attached to the upper surface of the case 100, a leg member 3 that supports the fixing member 2, and a grounding member 4 that supports the leg member.

固定部材２は、板状の部材であり、固定部材２の一端には筐体１００の吊ボルト用穴部１０２に固定するための穴部２ａが形成されている。固定部材２は、穴部２ａと吊ボルト用穴部１０２を固定具５である六角ボルトで締結されることで筐体１００に固定される。固定部材２の他端は、脚部材３と溶接固定されている。   The fixing member 2 is a plate-like member, and a hole 2 a for fixing to the suspension bolt hole 102 of the housing 100 is formed at one end of the fixing member 2. The fixing member 2 is fixed to the housing 100 by fastening the hole 2 a and the suspension bolt hole 102 with a hexagon bolt that is the fixing tool 5. The other end of the fixing member 2 is fixed to the leg member 3 by welding.

脚部材３は、筐体１００と略並行して直立し、固定部材２を固定支持する部材であり、第１の脚部３aと、第１の脚部３aに接続する第２の脚部３bを備える。第１の脚部３aは、円柱形状の部材であり、上方にて固定部材２を支持している。本実施形態では、第１の脚部３aに固定部材２を溶接固定している。第２の脚部３ｂは、円筒形状の部材であり、下端は、床面Ｇと接地する接地部材４により支持されている。   The leg member 3 is a member that stands upright substantially in parallel with the housing 100 and fixes and supports the fixing member 2, and includes a first leg 3 a and a second leg 3 b that is connected to the first leg 3 a. Is provided. The first leg 3a is a cylindrical member, and supports the fixing member 2 at the top. In this embodiment, the fixing member 2 is fixed to the first leg 3a by welding. The second leg 3b is a cylindrical member, and the lower end is supported by a grounding member 4 that contacts the floor G.

図４は、第１の脚部３aと第２の脚部３ｂとの関係を示す図である。図４に示すように、第１の脚部３aの下方には、ネジ山３１が所定の長さで形成されている。第２の脚部３ｂの内周面には第１の脚部３aのネジ山３１に対応するネジ溝３２が所定の長さで形成されている。第１の脚部３aと第２の脚部３ｂは、第２の脚部３ｂのネジ溝３２に第１の脚部３aのネジ山３１を螺合させることで接続される。また、ネジ山３１の螺合量を調整することで、脚部材３の高さ（長さ）の伸縮が可能となる。言い換えると、脚部材３の長手方向の伸縮が可能となる。これにより、多種の筐体の高さに対応することができる。   FIG. 4 is a diagram showing the relationship between the first leg 3a and the second leg 3b. As shown in FIG. 4, a screw thread 31 is formed at a predetermined length below the first leg 3a. A thread groove 32 corresponding to the thread 31 of the first leg 3a is formed in a predetermined length on the inner peripheral surface of the second leg 3b. The first leg 3a and the second leg 3b are connected by screwing the thread 31 of the first leg 3a into the screw groove 32 of the second leg 3b. Moreover, the height (length) of the leg member 3 can be expanded and contracted by adjusting the screwing amount of the screw thread 31. In other words, the leg member 3 can be expanded and contracted in the longitudinal direction. Thereby, it can respond to the height of various housings.

第１の脚部３ａの中途にはダンパー部６としてエアーダンパーを備えている。脚部材３にダンパー部６を備えることで、地震等の揺れや振動が発生しても、ダンパー部６が吸収し、筐体１００の転倒を防止することができる。接地部材４は、脚部材３を支持すると共に、床面Ｇと接地する部材である。本実施形態では接地部材４に脚部材３を溶接固定している。   An air damper is provided as a damper portion 6 in the middle of the first leg portion 3a. By providing the leg portion 3 with the damper portion 6, even when a shake or vibration such as an earthquake occurs, the damper portion 6 absorbs and the casing 100 can be prevented from falling. The grounding member 4 is a member that supports the leg member 3 and grounds the floor G. In this embodiment, the leg member 3 is fixed to the grounding member 4 by welding.

次に、本実施形態１に係る筐体転倒防止治具１の使用方法の一例について説明する。なお、本実施形態１に係る筐体転倒防止治具１は、主として筐体を仮置きしておく場合に使用するため、以下では、筐体の仮置き時の使用方法について説明する。   Next, an example of a method for using the housing fall prevention jig 1 according to the first embodiment will be described. In addition, since the case overturn prevention jig 1 according to the first embodiment is mainly used when the case is temporarily placed, a method for using the case at the time of temporarily placing the case will be described below.

先ず、筐体１００を用意し、筐体１００の両側に接地部材４に支持された第２の脚部３ｂをそれぞれ配置する。ここで、第２の脚部３ｂは、筐体１００の上面に取り付けられる固定部材２が略対角の位置となるように配置するのが好ましい。例えば、図２に示すように、筐体１００の上面の４隅に吊ボルト用穴部１０２がそれぞれ形成されている場合には、第２の脚部３ｂは、対角関係にある吊ボルト用穴部１０２に固定部材２を取り付ける配置とする。   First, the housing 100 is prepared, and the second leg portions 3b supported by the grounding member 4 are arranged on both sides of the housing 100, respectively. Here, it is preferable that the second leg portion 3b is arranged so that the fixing member 2 attached to the upper surface of the housing 100 is in a substantially diagonal position. For example, as shown in FIG. 2, when the suspension bolt holes 102 are respectively formed at the four corners of the upper surface of the housing 100, the second leg portion 3 b is for the suspension bolt having a diagonal relationship. The fixing member 2 is arranged to be attached to the hole 102.

次に、第２の脚部３ｂに、固定部材２が溶接固定されている第１の脚部３ａを螺合接続させて、固定部材２が筐体１００の取付け可能な位置（高さ）となるよう第１の脚部３ａのネジ山３１の螺合量を調整する。調整後、固定部材２の穴部２ａと吊ボルト用穴部１０２を固定具５で締結する。   Next, the first leg 3a to which the fixing member 2 is fixed by welding is screwed and connected to the second leg 3b, and the position (height) at which the fixing member 2 can be attached to the housing 100 is set. The screwing amount of the screw thread 31 of the first leg 3a is adjusted so as to be. After the adjustment, the hole 2 a of the fixing member 2 and the suspension bolt hole 102 are fastened by the fixture 5.

次に、本実施形態２の筐体転倒防止治具について図面を参照して詳細に説明する。
なお、以下の説明において、主に本実施形態１に係る筐体転倒防止治具と相違する構成について説明し、共通する構成については同一符号を付し、説明を割愛する。 Next, the case overturn prevention jig of the second embodiment will be described in detail with reference to the drawings.
In the following description, a configuration that is mainly different from the casing overturn prevention jig according to the first embodiment will be described, and the same reference numerals are given to the common configurations, and the description is omitted.

図５は、本実施形態２に係る筐体転倒防止治具で筐体を固定した状態を示す図である。
図５に示すように、本実施形態２に係る筐体転倒防止治具１０は、脚部材３に螺合して取り付けられる挟持部材７によって固定部材２を挟持固定する構成である。挟持部材７は、固定部材２の下方に取り付けられる第１の挟持部７aと、固定部材２の上方に取り付ける第２の挟持部７ｂからなる。 FIG. 5 is a diagram illustrating a state in which the housing is fixed by the housing overturn prevention jig according to the second embodiment.
As shown in FIG. 5, the case overturning prevention jig 10 according to the second embodiment has a configuration in which the fixing member 2 is clamped and fixed by a clamping member 7 that is screwed onto the leg member 3. The sandwiching member 7 includes a first sandwiching portion 7 a attached below the fixing member 2 and a second sandwiching portion 7 b attached above the fixing member 2.

図６は、固定部材２、第１の脚部３ａおよび挟持部材７の関係を示す図である。
図６に示すように、固定部材２は、吊ボルト用穴部１０２に固定するための穴部２ａの他に、第１の脚部３ａを挿通する穴部２ｂを有する。固定部材２の穴部２ｂの径は、第１の脚部３ａの径より大きく形成されている。第１の脚部３ａには、上方にネジ山３３が所定の長さで形成されている。第１の挟持部７a及び第２の挟持部７ｂは、略中心部に穴部７１が形成された板状の部材である。穴部７１の内周面には第１の脚部３ａのネジ山３３に対応するネジ溝７２が形成されている。第１の挟持部７a及び第２の挟持部７ｂは、第１の脚部３aのネジ山３３と螺合させて上下方向に位置を変更できる（図中矢印）。これにより、固定部材２の高さ（位置）を調整することができるため、例えば第１の脚部３aと第２の脚部３ｂの螺合によって高さ調整した後などに微調整をする場合に対応できる。 FIG. 6 is a diagram illustrating a relationship among the fixing member 2, the first leg portion 3 a, and the clamping member 7.
As shown in FIG. 6, the fixing member 2 has a hole 2 b through which the first leg 3 a is inserted, in addition to the hole 2 a for fixing to the suspension bolt hole 102. The diameter of the hole 2b of the fixing member 2 is formed larger than the diameter of the first leg 3a. On the first leg 3a, a screw thread 33 is formed upward with a predetermined length. The 1st clamping part 7a and the 2nd clamping part 7b are plate-shaped members in which the hole part 71 was formed in the approximate center part. A thread groove 72 corresponding to the thread 33 of the first leg 3 a is formed on the inner peripheral surface of the hole 71. The first clamping part 7a and the second clamping part 7b can be screwed with the thread 33 of the first leg 3a to change the position in the vertical direction (arrows in the figure). Thereby, since the height (position) of the fixing member 2 can be adjusted, for example, when the height is adjusted by screwing the first leg portion 3a and the second leg portion 3b, for example, when fine adjustment is performed. It can correspond to.

次に、本実施形態２に係る筐体転倒防止治具１０の使用方法の一例について説明する。
本実施形態１に係る筐体転倒防止治具において、固定部材２が脚部材３に支持される位置（高さ）を変更できる構成としたものである。 Next, an example of a method for using the housing fall prevention jig 10 according to the second embodiment will be described.
In the case overturn prevention jig according to the first embodiment, the position (height) at which the fixing member 2 is supported by the leg member 3 can be changed.

先ず、本実施形態１に係る筐体転倒防止治具１と同様に、筐体１００を用意し、筐体１００の両側に接地部材４に支持された第２の脚部３ｂをそれぞれ配置する。次に第２の脚部３ｂに、第１の脚部３ａを螺合接続させて、固定部材２が筐体１００の取付け可能な位置となるよう第１の脚部３ａのネジ山３１の螺合量を調整する。   First, similarly to the case overturn prevention jig 1 according to the first embodiment, the case 100 is prepared, and the second legs 3b supported by the grounding member 4 are arranged on both sides of the case 100, respectively. Next, the first leg 3a is screwed and connected to the second leg 3b, and the screw 31 of the first leg 3a is screwed so that the fixing member 2 can be attached to the housing 100. Adjust the total amount.

次に、第１の挟持部７ａの穴部７１を第１の脚部３ａに通し、第１の挟持部７ａの上面と筐体１００の上面が同じ高さになる位置まで、第１の挟持部７aを第１の脚部３ａと螺合させる。次に、固定部材２の穴部２ｂを第１の脚部３ａに通し、固定部材２は、第１の挟持部７ａに支持される。その後、第２の挟持部７ｂを第１の脚部３ａに通し、第１の脚部３ａと螺合させ、固定部材２を第１の挟持部７ａと挟持固定する。そして、固定部材２の穴部２ａと吊ボルト用穴部１０２を固定具５で締結する。   Next, the hole 71 of the first clamping unit 7a is passed through the first leg 3a, and the first clamping is performed until the upper surface of the first clamping unit 7a and the upper surface of the housing 100 are at the same height. The part 7a is screwed with the first leg part 3a. Next, the hole 2b of the fixing member 2 is passed through the first leg 3a, and the fixing member 2 is supported by the first clamping portion 7a. Thereafter, the second clamping part 7b is passed through the first leg part 3a and screwed with the first leg part 3a, and the fixing member 2 is clamped and fixed with the first clamping part 7a. Then, the hole 2 a of the fixing member 2 and the suspension bolt hole 102 are fastened by the fixing tool 5.

本実施形態に係る筐体転倒防止治具によれば、風などの外的要因によって筐体（盤）が転倒し破損する事を防ぐことができる。また、本実施形態に係る筐体転倒防止治具によれば、治具の高さが調整可能であるため、床打ちアンカーをする必要がなく、また、取付けも簡易的であるため、作業時間も従来と比べ短縮となり、良好な作業性を実現できる。また、本実施形態に係る筐体転倒防止治具によれば、床打ちアンカー施工しないため、床面を損傷させることがなくなる。さらには、脚部材にダンパー部を有することで、振動を吸収することができ、地震などによる筐体（盤）の転倒を防止できる。   According to the case overturn prevention jig according to the present embodiment, the case (board) can be prevented from being overturned and damaged by an external factor such as wind. In addition, according to the case overturn prevention jig according to the present embodiment, since the height of the jig can be adjusted, there is no need to anchor the floor and the installation is simple, so the work time Can be shortened compared to the prior art, and good workability can be realized. Moreover, according to the housing fall prevention jig according to the present embodiment, the floor surface is not damaged since the floor anchoring is not performed. Furthermore, by having the damper portion on the leg member, it is possible to absorb vibrations and prevent the casing (board) from falling over due to an earthquake or the like.

以上、本発明の実施形態を説明したが、本実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。この新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。本実施形態およびその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   As mentioned above, although embodiment of this invention was described, this embodiment is shown as an example and is not intending limiting the range of invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

１、１０… 筐体転倒防止治具
２… 固定部材
３… 脚部材
３ａ… 第１の脚部
３ｂ… 第２の脚部
４… 接地部材
５… 固定具
６… ダンパー部
７… 挟持部材
７ａ… 第１の挟持部
７ｂ… 第２の挟持部
３１、３３… ネジ山
３２、７２… ネジ溝
１００… 筐体（盤）
1, 10 ... Case overturn prevention jig
2 ... Fixed member 3 ... Leg member 3a ... First leg 3b ... Second leg 4 ... Grounding member
DESCRIPTION OF SYMBOLS 5 ... Fixing tool 6 ... Damper part 7 ... Clamping member 7a ... 1st clamping part 7b ... 2nd clamping part
31, 33 ... Screw thread
32, 72 ... Thread groove
100 ... Housing (board)

Claims (7)

電気機器を内設する筐体の上面の２箇所に取り付けられ、前記筐体に固定される固定部材と、
前記固定部材を支持する脚部材と、
前記脚部材を支持する接地部材と、
を備えることを特徴とする筐体転倒防止治具。 A fixing member that is attached to two locations on the upper surface of the casing in which the electric device is installed, and is fixed to the casing;
A leg member for supporting the fixing member;
A grounding member that supports the leg member;
A case overturn prevention jig characterized by comprising: 前記脚部材の中途にダンパー部を備えることを特徴とする請求項１に記載の筐体転倒防止治具。   The case overturn prevention jig according to claim 1, further comprising a damper portion in the middle of the leg member. 前記ダンパー部は、エアーダンパーであることを特徴とする請求項２に記載の筐体転倒防止治具。   The casing overturn prevention jig according to claim 2, wherein the damper portion is an air damper. 前記脚部材は、長手方向に伸縮可能であることを特徴とする請求項１乃至請求項３の何れか一項に記載の筐体転倒防止治具。   The casing fall prevention jig according to any one of claims 1 to 3, wherein the leg member is extendable and contractible in a longitudinal direction. 前記脚部材は、前記固定部材と接続する第１の脚部と、前記第１の脚部と螺合接続する第２の脚部を備え、
第１の脚部と第２の脚部の螺合量を変化させることにより前記脚部材の伸縮が可能であることを特徴とする請求項４に記載の筐体転倒防止治具。 The leg member includes a first leg connected to the fixing member, and a second leg connected to the first leg by screwing.
The casing overturn prevention jig according to claim 4, wherein the leg member can be expanded and contracted by changing an amount of screwing between the first leg portion and the second leg portion. 前記固定部材は、前記筐体上面の略対角の位置に取り付けられることを特徴とする請求項１乃至５の何れか一項に記載の筐体転倒防止治具。   The case overturn prevention jig according to any one of claims 1 to 5, wherein the fixing member is attached to a substantially diagonal position on the upper surface of the case. さらに、前記脚部材に螺合し、前記固定部材を挟持する挟持部材を備え、
前記挟持部材の螺合する位置を変化させることにより前記固定部材の位置が変更可能であることを特徴とする請求項１乃至６の何れか一項に記載の筐体転倒防止治具。 And a clamping member that is screwed onto the leg member and clamps the fixing member.
The casing overturn prevention jig according to any one of claims 1 to 6, wherein the position of the fixing member can be changed by changing a position where the clamping member is screwed.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021016249A (en) * 2019-07-12 2021-02-12 株式会社ネクスコ・エンジニアリング東北 Instrument storage panel door remote switchgear and inspection system
JP7316473B1 (en) * 2023-03-27 2023-07-27 直行 棚野 Switchboard installation method
JP7473920B2 (en) 2021-04-28 2024-04-24 株式会社Tmeic Plate fall prevention jig

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JPS573304U (en) * 1980-06-06 1982-01-08
JPS6073281U (en) * 1983-10-25 1985-05-23 日本電気株式会社 telescopic studs
JP2001061578A (en) * 1999-08-25 2001-03-13 Kawamura Electric Inc Turnover preventing device for rack
JP2004204932A (en) * 2002-12-25 2004-07-22 Nec Corp Earthquake-resistant structure of device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573304U (en) * 1980-06-06 1982-01-08
JPS6073281U (en) * 1983-10-25 1985-05-23 日本電気株式会社 telescopic studs
JP2001061578A (en) * 1999-08-25 2001-03-13 Kawamura Electric Inc Turnover preventing device for rack
JP2004204932A (en) * 2002-12-25 2004-07-22 Nec Corp Earthquake-resistant structure of device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021016249A (en) * 2019-07-12 2021-02-12 株式会社ネクスコ・エンジニアリング東北 Instrument storage panel door remote switchgear and inspection system
JP7473920B2 (en) 2021-04-28 2024-04-24 株式会社Tmeic Plate fall prevention jig
JP7316473B1 (en) * 2023-03-27 2023-07-27 直行 棚野 Switchboard installation method

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