JP6198702B2 - Passenger conveyor dropout suppression device - Google Patents
Passenger conveyor dropout suppression device Download PDFInfo
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- JP6198702B2 JP6198702B2 JP2014197245A JP2014197245A JP6198702B2 JP 6198702 B2 JP6198702 B2 JP 6198702B2 JP 2014197245 A JP2014197245 A JP 2014197245A JP 2014197245 A JP2014197245 A JP 2014197245A JP 6198702 B2 JP6198702 B2 JP 6198702B2
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Description
本発明は、建築梁からの乗客コンベアの脱落を抑制する乗客コンベアの脱落抑制装置に関するものである。 The present invention relates to a passenger conveyor dropout suppressing device that suppresses a passenger conveyor dropout from a building beam.
従来、乗客コンベアには、本体を建屋側の受梁部上に置設し、建屋の床面と乗客コンベアの床面が同一の高さになるように高さ調整(芯出し)を行うための支持装置が設けられている。この種の支持装置は、特許文献１の図３に示されているように、乗客コンベアの本体枠端部のフレームに設けられたＬ形鋼等の支持部と、建屋側の受梁部に設けられるベースと、このベース自体にベースの保持高さを任意に調整可能であるジャッキボルトとを備えた据付装置が知られている。 Conventionally, for passenger conveyors, the main body is installed on the beam receiving part on the building side, and the height of the building floor and the floor of the passenger conveyor are adjusted (centered) so that they are at the same height. The supporting device is provided. As shown in FIG. 3 of Patent Document 1, this type of support device is provided with a support portion such as an L-shaped steel provided on a frame at the end of a main body frame of a passenger conveyor, and a receiving beam portion on the building side. 2. Description of the Related Art There is known an installation apparatus that includes a base provided and a jack bolt that can arbitrarily adjust the holding height of the base.
この乗客コンベアの据付装置は、乗客コンベア本体枠端部にある支持部を建屋側の受張部に乗せ、支持部に設けたジャッキボルトでベースの保持高さを調整することにより、建屋の床面と乗客コンベアの床面が同一になるように芯出しを行っている。 This passenger conveyor installation device is configured such that a support portion at the end of the passenger conveyor main body frame is placed on a stretcher on the building side, and the holding height of the base is adjusted by jack bolts provided on the support portion. Centering is performed so that the surface and the floor of the passenger conveyor are the same.
しかしながら、乗客コンベアの全荷重をジャッキボルトの先端部のみで支えているので、地震等の強い振動が建屋や乗客コンベアの作用する災害が発生した場合、ジャッキボルトの先端部と建屋側のベースとの摩擦力が不足して乗客コンベアが正規の位置から移動して、ジャッキボルトが建屋側の受梁部から脱落する可能性があった。 However, since the entire load of the passenger conveyor is supported only by the tip of the jack bolt, if a strong vibration such as an earthquake occurs and the building or passenger conveyor acts, the tip of the jack bolt and the base on the building side There is a possibility that the passenger conveyor moves from the normal position due to insufficient frictional force, and the jack bolt drops off from the receiving beam on the building side.
このような事態が発生するのを防止するため、この特許文献１では、建屋側受梁部に設けられたベースに複数のピンを立設し、このピンが挿通される貫通穴を支持部の水平片に設ける他、ベースを支持部の水平片と対向する対向部と、対向部から支持部の水平片と対向しない位置まで延設した延設部とを備えた逸脱防止部を設けることが記載されている。これにより、地震の揺れによって、水平方向に外力が加わった場合でも、ベースに立設されたピンと支持部の水平片とが固定されているので、ジャッキボルトに加わる力を分散させることができるため、ジャッキボルトの曲損を防止することが記載されている。 In order to prevent such a situation from occurring, in Patent Document 1, a plurality of pins are erected on a base provided on a building-side receiving beam portion , and a through hole through which the pin is inserted is provided on a support portion. In addition to being provided on the horizontal piece, it is possible to provide a deviation preventing part including a facing part facing the horizontal piece of the support part and an extending part extending from the facing part to a position not facing the horizontal piece of the support part. Have been described. As a result, even when an external force is applied in the horizontal direction due to the shaking of the earthquake, since the pin erected on the base and the horizontal piece of the support part are fixed, the force applied to the jack bolt can be dispersed. It is described that the jack bolt is prevented from being bent.
前記した特許文献１においては、段落番号００２６に記載されているように、逸脱防止部を設置するためには、エスカレーター（乗客コンベア）全体を重機で吊り上げる必要があり、乗客コンベアの新設時に取り付けるか、既設乗客コンベアにあっては、乗客コンベア全体を重機で吊り上げる工事が伴うため、工事の大規模化が懸念される。 In Patent Document 1 described above, as described in Paragraph No. 0026, in order to install the departure prevention unit, it is necessary to lift the entire escalator (passenger conveyor) with heavy equipment. In the existing passenger conveyor, since the construction of lifting the entire passenger conveyor with heavy equipment is involved, there is a concern that the construction of the passenger conveyor will be enlarged.
本発明の目的は、このような従来技術の実情からなされたもので、既設乗客コンベアに対して、重機で吊り上げる工事を伴うことなく、大地震等により外力を受けて乗客コンベア本体が長手方向に移動しても、建築梁（建屋側受梁部）からの脱落の可能性をより減少させる乗客コンベアの脱落抑制装置を提供することにある。 An object of the present invention, which this was done from circumstances of the prior art, with respect to already設乗customer conveyor, without work lifting heavy machinery, the passenger conveyor main body by an external force by a large earthquake or the like in the longitudinal direction The object of the present invention is to provide a passenger conveyor drop-off suppressing device that further reduces the possibility of drop-off from building beams (building-side receiving beam portions) even when moved to.
上記目的を達成するために、本発明に係る乗客コンベアの脱落抑制装置は、乗客コンベアの本体枠端部に設けられて建屋側の受梁部に支持された支持部の水平片の上面に、前記水平片と対向しない部分を有するように固定された延長プレートと、前記延長プレートに開けられたボルト挿通孔を介して前記水平片に前記延長プレートを固定する固定ボルトを備え、前記水平片と前記延長プレートとは両部材が密着するように固定されており、前記延長プレートの前記水平片と対向しない部分は肉厚の先端部に形成され、前記先端部の厚さは、前記水平片と対向している部分の厚さに前記水平片の厚さを加えた厚さに設定されており、前記延長プレートの前記先端部および前記水平片と、前記受梁部のベース部との隙間に配置されて、前記延長プレートの前記先端部および前記水平片に密着するライナーを備えると共に、前記延長プレートの前記先端部と前記ライナーとを締結する締結ボルトを備えており、前記締結ボルトの径は、前記固定ボルトの径よりも小さく設定されていることを特徴としている。 In order to achieve the above object , the passenger conveyor drop-off suppressing device according to the present invention is provided on the upper end of the horizontal piece of the support portion provided at the body frame end of the passenger conveyor and supported by the receiving beam portion on the building side . comprising a fixing bolt for fixing the extension plate fixed so as to have a portion which does not face the horizontal plate, the extension plate to the horizontal plate through a bolt insertion hole bored in the extension plate, said horizontal plate The extension plate is fixed so that both members are in close contact with each other, and the portion of the extension plate that does not face the horizontal piece is formed at a thick tip portion, and the thickness of the tip portion is the same as that of the horizontal piece. It is set to a thickness obtained by adding the thickness of the horizontal piece to the thickness of the facing part, and in the gap between the tip part of the extension plate and the horizontal piece and the base part of the receiving beam part The extension plug And a fastening bolt that fastens the tip of the extension plate and the liner. The fastening bolt has a diameter that is the same as that of the fixing bolt. It is characterized by being set smaller than the diameter.
本発明によれば、既設乗客コンベアに対して、重機で吊り上げる工事を伴うことなく、大地震等により外力を受けて乗客コンベア本体が長手方向に移動しても、建築梁からの脱落の可能性をより減少させる乗客コンベアの支持装置を提供することができる。 According to the present invention, with respect to an existing passenger conveyor, even if the passenger conveyor main body moves in the longitudinal direction due to an external force due to a large earthquake or the like without being lifted by heavy machinery, the possibility of falling off the building beam It is possible to provide a support device for a passenger conveyor that further reduces the number of passengers.
以下、本発明に係る乗客コンベアの脱落抑制装置を実施するための一実施形態を図に基づいて説明する。なお、本発明は、乗客コンベアの本体枠の両側、すなわち上階側の端部および下階側の端部の双方に設けられているが、上階側又は下階側の取付位置によって構成および機能が異なるものではないので、例えば上階側に取付けられる場合のみを説明し、重複する説明を省略している。 DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment for carrying out a passenger conveyor drop-off suppressing device according to the present invention will be described with reference to the drawings. The present invention is provided on both sides of the main body frame of the passenger conveyor, that is, on both the upper floor side end and the lower floor side end, and is configured by the upper floor side or the lower floor side mounting position. Since the functions are not different, for example, only the case where it is mounted on the upper floor side will be described, and overlapping description will be omitted.
本発明に係る乗客コンベアの脱落抑制装置の第１実施形態を図１、図２に示す。図１は乗客コンベアのフレームと建築梁の取付状態を示す平面図であり、図２は図１におけるア−ア矢視拡大図である。 1 and 2 show a first embodiment of a passenger conveyor drop-off suppressing device according to the present invention. FIG. 1 is a plan view showing a state of a passenger conveyor frame and building beams attached, and FIG. 2 is an enlarged view taken along arrow A in FIG.
図１において乗客コンベアの本体枠端部のフレーム１に設けられ、本体枠端部を支持する支持部２を備え、この支持部２が建屋側の受梁部３に配設されるようになっている。支持部２は、本体枠端部のフレーム１の側面に鉛直に取付けられた鉛直片２ａと、この鉛直片２ａの上端から建屋側へ向かって突出するように水平に配置された水平片２ｂとから成っている。水平片２ｂには保持高さを任意に調整可能であるジャッキボルト５を備えている。ジャッキボルト５は、第１実施形態では５本設けられており、この５本のジャッキボルト５によって乗客コンベアの荷重を支えている。これらジャッキボルト５を調節することにより建屋の床面と乗客コンベア床面とが同一の高さになるように芯出しを行う。 In FIG. 1, it is provided in the frame 1 at the end of the main body frame of the passenger conveyor, and includes a support portion 2 that supports the end portion of the main body frame, and this support portion 2 is arranged on the receiving beam portion 3 on the building side. ing. The support part 2 includes a vertical piece 2a vertically attached to the side surface of the frame 1 at the end of the main body frame, and a horizontal piece 2b arranged horizontally so as to protrude from the upper end of the vertical piece 2a toward the building side. Consists of. The horizontal piece 2b is provided with a jack bolt 5 whose holding height can be arbitrarily adjusted. In the first embodiment, five jack bolts 5 are provided, and the five jack bolts 5 support the load of the passenger conveyor. By adjusting these jack bolts 5, centering is performed so that the floor of the building and the floor of the passenger conveyor are at the same height.
図２に示すように、水平片２ｂの受梁部３への掛かり代（Ａ−Ｂ）は、この乗客コンベア新設時の所定の基準に基づいて算出されたものであるが、その後の基準の見直しや顧客要望などにより前記掛かり代を長くすることが要求される。 As shown in FIG. 2, the hanging margin (AB) of the horizontal piece 2b to the receiving beam portion 3 is calculated based on a predetermined standard at the time of newly installing the passenger conveyor. It is required to lengthen the allowance due to review or customer request.
第１実施形態では、乗客コンベア全体を重機によって吊り上げることなく掛かり代を長くするために延長プレート６を設けることとした。水平片２ｂの上面には外力を受けて乗客コンベア本体の長手方向への移動（揺れによる）量よりも余裕をもった掛かり代になるような長さの延長プレート６を複数（第１実施形態では１枚の延長プレート６に対して４本）の固定ボルト７で締結した。この固定ボルト７の径および延長プレート６の厚さは、万が一乗客コンベア本体長手方向に本体が移動して、水平片２ｂが受梁部３と対向せずに延長プレート６の先端部（水平片２ｂと対向していない部分であって図２では長さＢ部分）のみが受梁部３に掛かったとしても、しっかりと乗客コンベア全体を支えることができる寸法としている。 In the first embodiment, the extension plate 6 is provided in order to lengthen the hanging cost without lifting the entire passenger conveyor with heavy machinery. On the upper surface of the horizontal piece 2b, there are a plurality of extension plates 6 having such a length as to allow for an allowance more than the amount of movement (due to shaking) in the longitudinal direction of the passenger conveyor body due to external force ( first embodiment). Then, the fastening plate 7 was fastened with four fixing bolts 7). The diameter of the fixing bolt 7 and the thickness of the extension plate 6 should be such that the main body moves in the longitudinal direction of the passenger conveyor main body, and the horizontal piece 2b does not face the receiving beam part 3 and the tip of the extension plate 6 (the horizontal piece Even if only a portion that is not opposed to 2b and has a length B in FIG. 2 is hung on the receiving beam portion 3, the entire passenger conveyor is firmly supported.
既設の乗客コンベアに延長プレート６を取り付けるために、乗客コンベア全体を重機で吊り上げるといった大掛かりな作業を行わないようにするため、第１実施形態では、水平片２ｂに雌ネジを切り、その上に延長プレート６を載せて、延長プレート６の上方から固定ボルト７を延長プレート６に開けたボルト挿通孔を介して水平片２ｂの雌ネジに留めることで延長プレート６を水平片２ｂに固定するようにした。 In order to prevent large-scale operations such as lifting the entire passenger conveyor with heavy machinery to attach the extension plate 6 to the existing passenger conveyor, in the first embodiment, a female screw is cut on the horizontal piece 2b, The extension plate 6 is placed, and the extension plate 6 is fixed to the horizontal piece 2b by fastening the fixing bolt 7 from above the extension plate 6 to the female screw of the horizontal piece 2b through a bolt insertion hole formed in the extension plate 6. I made it.
なお、前述の特許文献１にも延設部が設けられているが、延設部の上方を開放し、ベース固設作業やジャッキボルトの交換作業を行う作業空間を形成するためである。この特許文献１においては、ベースは建屋側受梁部に強固に固定されていることを前提とし、地震時に、ベースに立設されたピンによってジャッキボルトが受ける水平方向の力を分散させ、ピン上部に設けられた固定ナットにより縦振動でピンから支持部の水平片が抜けることを防止するためのものである。このため、延設部でエスカレーターを支える考えはこの特許文献１にはない。また、ジャッキボルトで高さ調節した分、支持部の水平片とベース表面とが離間している。このため、延設部のみが建屋受梁部にかかった場合、エスカレーター本体の荷重によりピンに回転モーメントが加わりピンを破壊する恐れがある。 In addition, although the extension part is provided also in the above-mentioned patent document 1, it is for opening the upper part of an extension part and forming the work space which performs the base fixing work and the replacement | exchange work of a jack volt | bolt. In this Patent Document 1, it is assumed that the base is firmly fixed to the building-side receiving beam portion, and in the event of an earthquake, the horizontal force received by the jack bolt by the pins erected on the base is dispersed, and the pin This is to prevent the horizontal piece of the support part from coming off the pin due to the longitudinal vibration by the fixing nut provided on the upper part. For this reason, this patent document 1 does not have an idea of supporting the escalator by the extending portion. Further, the horizontal piece of the support portion and the base surface are separated from each other by the height adjusted by the jack bolt. For this reason, when only the extending part is applied to the building receiving beam part, there is a possibility that a rotational moment is applied to the pin due to the load of the escalator body and the pin is destroyed.
第１実施形態では、延長プレート６の先端でも乗客コンベア本体を支えることができるように水平片２ｂの上面と延長プレート６の下面（水平片２ｂとの対向面）とが密着（平面同士が接触と言う意味で万が一、延長プレート６の端面で荷重を受けた場合、回転モーメントにより水平片２ｂと延長プレート６とが分離しない接触状態をいう）するようになっている。これにより、先の回転モーメントによる荷重を軽減することができる。なお、水平片２ｂの表面が粗く、水平片２ｂの表面と延長プレート６の表面との接触が良好でない場合、水平片２ｂと延長プレート６との間に樹脂製、ゴム製のスペーサーを挟む場合がある。水平片２ｂと延長プレート６との間に物体を挟んだ場合であっても、上記した回転モーメントによる分離を防ぐことが十分可能である場合、本明細書においては、水平片２ｂと延長プレート６とが密着しているという。 In the first embodiment, the upper surface of the horizontal piece 2b and the lower surface of the extension plate 6 (the surface facing the horizontal piece 2b) are in close contact so that the passenger conveyor body can be supported even at the tip of the extension plate 6 (the planes are in contact with each other). thousands one sense that, when subjected to load by the end surface of the extension plate 6 so that the horizontal plate 2b and an extension plate 6 refers to a contact state in which no separation) to the rotational moment. Thereby, the load by the previous rotational moment can be reduced. When the surface of the horizontal piece 2b is rough and the contact between the surface of the horizontal piece 2b and the surface of the extension plate 6 is not good, or when a resin or rubber spacer is sandwiched between the horizontal piece 2b and the extension plate 6 There is. Even in the case where an object is sandwiched between the horizontal piece 2b and the extension plate 6, in the present specification, if it is possible to prevent the separation due to the rotational moment, the horizontal piece 2b and the extension plate 6 are used. And are in close contact.
また、支持部２の水平片２ｂと受梁部３のベース４との隙間に鋼板等からなるライナー８を挿入して隙間を埋めたので、万が一、ジャッキボルト５がベース４から外れたとしても、ジャッキボルト５により高さ調整した分乗客コンベア本体が落下して、延長プレート６の先端部に落下の衝撃による過大な荷重がかかることがない。 Moreover, since the liner 8 made of a steel plate or the like is inserted into the gap between the horizontal piece 2b of the support portion 2 and the base 4 of the receiving beam portion 3 to fill the gap, even if the jack bolt 5 is detached from the base 4 The passenger conveyor main body is dropped by the height adjusted by the jack bolt 5, and an excessive load due to the impact of the drop is not applied to the tip of the extension plate 6.
さらに、延長プレート６の先端部は、水平片２ｂと対向している部分の厚さに水平片２ｂの厚さを加えた厚さとしている。これにより延長プレート６の先端部（肉厚部）とライナー８および水平片２ｂとライナー８との密着度が増す。 Furthermore, the tip of the extension plate 6 has a thickness obtained by adding the thickness of the horizontal piece 2b to the thickness of the portion facing the horizontal piece 2b. As a result, the degree of adhesion between the tip portion (thick portion) of the extension plate 6 and the liner 8 and the horizontal piece 2b and the liner 8 is increased.
延長プレート６とライナー８とは締結ボルト９で締結されている。この締結ボルト９の径は、延長プレート６と水平片２ｂとを締結する固定ボルト７の径よりも細くてよい。固定ボルト７は乗客コンベア本体の重量を支える強度が必要であるが、締結ボルト９はライナー８と延長プレート６とが相対的に水平方向に移動することを防止するためのもので、角の荷重が掛からないためである。 The extension plate 6 and the liner 8 are fastened by fastening bolts 9. The diameter of the fastening bolt 9 may be smaller than the diameter of the fixing bolt 7 that fastens the extension plate 6 and the horizontal piece 2b. Fixing bolt 7 is necessary strength to support the weight of the passenger conveyor main body, but the fastening bolt 9 is used to prevent the liners 8 and the extension plate 6 moves relatively horizontally, corner This is because no load is applied.
また、延長プレート６は、図１に示されている通り乗客コンベア端部につき２枚（複数枚）設けられ、ジャッキボルト５と干渉しない位置に設けられている。 Further, as shown in FIG. 1, two (a plurality of) extension plates 6 are provided per passenger conveyor end, and are provided at positions that do not interfere with the jack bolt 5.
次に施工について説明する。あらかじめ建屋強度および乗客コンベアの設置階高等から必要掛かり代Ａを算出し、既設乗客コンベアの掛かり代不足分Ｂを算出する。この算出は、予め設計図から割り出すことができるため、施工前に行っておき、必要な延長プレート６を作成しておく。受梁部３は、建屋側床面と乗客コンベアの床面とが水平になるようにモルタル等で埋められているため、延長プレート６を取り付ける位置のモルタルを取り出しておく。次に支持部２の水平片２ｂと受梁部３のベース４との隙間にライナー８を挿入できる大きさの開口部を設けるためにその部分のモルタルを削り出す。支持部２に延長プレート６を取付けるための固定穴を追加する。この固定穴は固定ボルト７によりネジ止めできるようネジ穴（雌ネジ）である。新たに取り付ける延長プレート６取付位置は安定性を考慮して少なくとも２箇所以上とする。支持部２の水平片２ｂと受梁部３のベース４との隙間にライナー８を挿入し隙間を埋め、支持部２と延長プレート６および延長プレート６とライナー８を締結ボルト９で締結する。延長プレート６と支持部２の水平片２ｂとを４本の固定ボルト７で締結する。そして、緩みなどをチェックした後、再びモルタルで埋めて、工事を完了する。 Next, construction will be described. The necessary allowance A is calculated in advance from the building strength, the installation floor height of the passenger conveyor, etc., and the insufficient allowance B for the existing passenger conveyor is calculated. Since this calculation can be preliminarily determined from the design drawing, it is performed before construction and the necessary extension plate 6 is created. Since the receiving beam portion 3 is buried with mortar or the like so that the floor surface of the building and the floor surface of the passenger conveyor are horizontal, the mortar at the position where the extension plate 6 is attached is taken out. Next, in order to provide an opening having a size that allows the liner 8 to be inserted into the gap between the horizontal piece 2b of the support portion 2 and the base 4 of the receiving beam portion 3, the mortar at that portion is cut out. A fixing hole for attaching the extension plate 6 to the support portion 2 is added. The fixing holes are screw holes to be screwed by the fixing bolts 7 (female thread). In consideration of stability, the extension plate 6 to be newly attached is at least two positions. In the gap between the base 4 of the horizontal plate 2b and the receiving beam portion 3 of the support 2 by inserting the liner 8 fills the gap, fastening the support 2 and the extension pre over preparative 6 and the extension plate 6 and the liner 8 in the fastening bolt 9 To do. The extension plate 6 and the horizontal piece 2 b of the support portion 2 are fastened with four fixing bolts 7. After checking for looseness, etc., it is filled with mortar again to complete the construction.
以上により既設乗客コンベアに対しても軽微な工事で設置でき、外力を受けて乗客コンベア本体が長手方向に移動しても、建築梁からの脱落の可能性をより減少させ安全性、作業性の向上が図れる乗客コンベアの脱落抑制装置を提供できる構成となっている。 As a result, it can be installed on existing passenger conveyors with minor work, and even if the passenger conveyor body moves in the longitudinal direction due to external force, the possibility of falling off the building beam is further reduced, and safety and workability are improved. It is the structure which can provide the drop-off suppression apparatus of the passenger conveyor which can improve.
次に、図３を用いて本発明に係る第２実施形態について説明する。第１実施形態と相違する点は、第１実施形態においては、水平片２ｂ上面と図２の２点鎖線で示す床面との間隔（高さ）が、延長プレート６および固定ボルト７を収容するための十分あるため、延長プレート６を水平片２ｂの上に載せる構造としたが、その間隔を十分に取ることができない場合の実施形態である。 Next, a second implementation mode of the present invention will be described with reference to FIG. It differs from the first implementation mode, in the first implementation embodiment, the distance between the floor surface shown by the two-dot chain line of horizontal plate 2b top and 2 (height), the extension plate 6 and fixing bolts 7 In this embodiment, the extension plate 6 is placed on the horizontal piece 2b. However, the distance between the extension plates 6 is not sufficient.
図３において、延長プレート６は支持部２の水平片２ｂ下部であって受梁部３のベース４との間に設ける構成となっている。この構成により、水平片２ｂと２点鎖線で示す床面との間隔がない場合であっても既設乗客コンベアに延長プレートを取り付けることができる。 In FIG. 3, the extension plate 6 is provided below the horizontal piece 2 b of the support portion 2 and between the base plate 4 of the receiving beam portion 3. With this configuration, the extension plate can be attached to the existing passenger conveyor even when there is no space between the horizontal piece 2b and the floor surface indicated by the two-dot chain line.
第１実施形態では、固定ボルト７に対する雌ネジを水平片２ｂに切ったが、本実施形態では予め延長プレート６に雌ネジを切っておき、現場では固定ボルト７を上部から水平片２ｂに開けたボルト挿通孔を介して延長プレート６の雌ネジに締結するだけで済む。この場合も、水平片２ｂの下面から長いピンなどを水平片２ｂに挿入することが不要なため、乗客コンベアを持ち上げるなどの大掛かりな作業は不要である。 In the first implementation mode, but cut the female thread in the horizontal plate 2b for fixing bolts 7, to advance the extension plate 6 in the present embodiment previously cut internal threads, the horizontal plate 2b fixing bolts 7 from above in the field It need only fastened to the female screw of the extended length plate 6 via the bolt insertion hole drilled. Also in this case, since it is unnecessary to insert a long pin or the like from the lower surface of the horizontal piece 2b into the horizontal piece 2b, a large-scale work such as lifting the passenger conveyor is unnecessary.
次に、現場で水平片２ｂと延長プレート６との間に隙間があるかどうかを確認する。隙間がある場合、現場でボルト挿通穴をあけたライナー８を水平片２ｂと延長プレート６との間に挿入する。ライナ８―は種々の厚みの板をあらかじめ準備してその現場に合う厚みのライナー８を用いてもよいし、薄い板を必要な枚数重ねて使用してもよい。これは、第１実施形態でも同様である。 Next, it is confirmed whether or not there is a gap between the horizontal piece 2b and the extension plate 6 on site. When there is a gap, the liner 8 having a bolt insertion hole is inserted between the horizontal piece 2b and the extension plate 6 at the site. The liner 8-may be prepared with various thickness plates in advance and may use the liner 8 with a thickness suitable for the site, or may be used by stacking as many thin plates as necessary. This is the same in the first implementation embodiment.
第１実施形態では、水平片２ｂと延長プレート６の厚みが夫々予め分かっていたので、その厚みに合う固定ボルト７を用いることができたが、第２実施形態では現地に行かないとライナー８の厚みが分からないため、水平片２ｂと延長プレート６の厚さの合計よりナットが１つ以上入る位長い固定ボルト７に固定ナット７ａを設けることとした。勿論、固定ボルト７の長さだけで締結可能であれば、固定ナット７ａは不要である。 In the first implementation embodiment, the thickness of the horizontal piece 2b extension plate 6 were known in advance, respectively, were able to use the fastening bolt 7 which fits in the thickness, in the second embodiment when not go to local liner Since the thickness of 8 is unknown, the fixing nut 7a is provided on the fixing bolt 7 that is longer than the total thickness of the horizontal piece 2b and the extension plate 6 so that one or more nuts can be inserted. Of course, if the fastening bolt 7 can be fastened only by the length, the fixing nut 7a is unnecessary.
施工は、第１実施形態と同様に延長プレート６を取り付ける箇所のモルタルを剥がし、水平片２ｂ下部のモルタルを取り除く。その後、延長プレート６および必要なライナー８を水平片２ｂの下部に挿入し、固定ボルト７をライナー８にあけられた貫通穴を介して延長プレート６に設けられた雌ネジに挿入し締める。そして、このままでは上下方向に締め付けられていないので、固定ボルト７の頭部側に予め回し入れておいた固定ナット７ａによって水平片２ｂと延長プレート６と、必要なライナー８とを締結する。 The construction removes the mortar at the lower part of the horizontal piece 2b by peeling off the mortar where the extension plate 6 is attached in the same manner as in the first embodiment. Thereafter, the extension plate 6 and the necessary liner 8 are inserted into the lower part of the horizontal piece 2b, and the fixing bolt 7 is inserted into a female screw provided in the extension plate 6 through a through hole formed in the liner 8 and tightened. Then, since it is not tightened in the vertical direction as it is, the horizontal piece 2b, the extension plate 6 and the necessary liner 8 are fastened by the fixing nut 7a previously turned around the head of the fixing bolt 7.
以上、第２実施形態によれば、水平片２ｂと２点鎖線で示す床面との間隔がない場合であっても既設乗客コンベアに延長プレートを取り付けることができる。 As described above, according to the second embodiment, the extension plate can be attached to the existing passenger conveyor even when there is no space between the horizontal piece 2b and the floor surface indicated by the two-dot chain line.
１…フレーム、２…支持部、２ａ…支持部鉛直片、２ｂ…支持部水平片、３…受梁部、４…ベース、５…ジャッキボルト、６…延長プレート、７…固定ボルト、８…ライナー、９…締結ボルト。 1 ... frame, 2 ... support portion, 2a ... support section vertical piece, 2b ... support portion horizontal plate, 3 ... receiving beam section, 4 ... base over scan, 5 ... jack bolt, 6 ... extension plate, 7 ... fixing bolt, 8 ... liner, 9 ... fastening bolt.
Claims (1)
前記水平片と前記延長プレートとは両部材が密着するように固定されており、
前記延長プレートの前記水平片と対向しない部分は肉厚の先端部に形成され、前記先端部の厚さは、前記水平片と対向している部分の厚さに前記水平片の厚さを加えた厚さに設定されており、
前記延長プレートの前記先端部および前記水平片と、前記受梁部のベース部との隙間に配置されて、前記延長プレートの前記先端部および前記水平片に密着するライナーを備えると共に、
前記延長プレートの前記先端部と前記ライナーとを締結する締結ボルトを備えており、
前記締結ボルトの径は、前記固定ボルトの径よりも小さく設定されていることを特徴とする乗客コンベアの脱落抑制装置。 Provided on the body frame end of the passenger conveyor to the upper surface of the horizontal plate of the support portion supported on the receiving beam of the building side, the extension plate fixed so as to have a portion which does not face the horizontal piece, the extension through a bolt insertion hole bored in the plate comprises a fixing bolt for fixing the extension plate to the horizontal plate,
The horizontal piece and the extension plate are fixed so that both members are in close contact,
The portion of the extension plate that does not face the horizontal piece is formed at a thick tip, and the thickness of the tip is obtained by adding the thickness of the horizontal piece to the thickness of the portion that faces the horizontal piece. Thickness is set,
A liner that is disposed in a gap between the distal end portion and the horizontal piece of the extension plate and a base portion of the receiving beam portion and is in close contact with the distal end portion and the horizontal piece of the extension plate;
A fastening bolt for fastening the tip portion of the extension plate and the liner;
The diameter of the said fastening bolt is set smaller than the diameter of the said fixing bolt, The drop-off suppression apparatus of the passenger conveyor characterized by the above-mentioned .
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