JPH0120375Y2

JPH0120375Y2 -

Info

Publication number: JPH0120375Y2
Application number: JP14868783U
Authority: JP
Priority date: 1983-09-26
Filing date: 1983-09-26
Publication date: 1989-06-16
Also published as: JPS6056676U

Description

【考案の詳細な説明】〔考案の技術分野〕この考案は曲線エスカレータの手摺駆動装置の
改良に関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to an improvement of a handrail drive device for a curved escalator.

[Prior art]

曲線エスカレータは、第１図、第２図に示すよ
うに、水平投影面において円弧状をなす主枠１が
上下方向に傾斜して配置され、この主枠１に無端
状の搬送路２が構成され、搬送路２に平面が扇形
をなす多数の踏段３が踏段鎖で連結されて配置さ
れ、主枠１内の端部に設けられた駆動装置で上記
踏段鎖を介して踏段３が循環移動されるように構
成されている。また、主枠１には欄干４が立設さ
れ、欄干４の周縁部に無端状の移動手摺５の往路
側が移動可能に支持され、移動手摺５は帰路側で
上記駆動装置から駆動力が伝達される駆動ローラ
が設けられた手摺駆動装置によつて駆動されるよ
うに構成されている。 As shown in FIGS. 1 and 2, the curved escalator has a main frame 1 that is arc-shaped in a horizontal projection plane and is arranged to be inclined in the vertical direction, and an endless conveyance path 2 is formed in the main frame 1. A large number of steps 3 having fan-shaped planes are arranged in the conveyance path 2 and connected by step chains, and the steps 3 are circulated and moved via the step chains by a drive device provided at the end of the main frame 1. is configured to be Further, a parapet 4 is erected on the main frame 1, and the outbound side of an endless moving handrail 5 is movably supported on the peripheral edge of the parapet 4, and the driving force is transmitted from the drive device to the movable handrail 5 on the return side. The handrail drive device is configured to be driven by a handrail drive device that is provided with a drive roller that is rotated.

このような曲線エスカレータの手摺駆動装置と
して、この考案の出願人が先に提案した実願昭58
−79156号（実開昭59−183477号）によるものを
第３図、第４図によつて説明する。 As a handrail drive device for such a curved escalator, the applicant of this invention proposed the application in 1983.
79156 (Utility Model Application No. 59-183477) will be explained with reference to FIGS. 3 and 4.

第３図、第４図中、第１図、第２図と同一符号
は同一部分を示し、６は移動手摺５の帰路側の曲
線部上に移動手摺５の長手方向に沿つて配置した
複数の駆動ローラであり、これらの駆動ローラ６
に固定した軸７が取付枠８に回転可能に軸支さ
れ、上記軸７に固定したスプロケツト９に無端状
のチエーン１０が噛合され、このチエーン１０に
曲線エスカレータの主枠の端部に設けた駆動装置
から駆動力が伝達されて上記駆動ローラ６に駆動
力が伝達されるように構成されている。１１は加
圧ローラであり、加圧ローラ１１は軸１２を介し
て断面溝形の保持枠１３に回転可能に取付けられ
て、移動手摺５の帰路側の曲線部下方に長手方向
に沿つて複数が配置され、上記保持枠１３が取付
枠８に固定されたブラケツト１４に取付ボルト１
５によつて加圧ローラ１１の移動手摺５接離方向
への移動可能に取付けられ、上記保持枠１３とブ
ラケツト１４との間には加圧ローラ１１を移動手
摺５側に付勢するスプリング１６が介在されてい
る。駆動ローラ６、加圧ローラ１１の軸７，１２
はそれぞれ移動手摺５の曲率半径方向に延び、駆
動ローラ６、加圧ローラ１１はこれらの軸方向の
全長にわたつて移動手摺５に接してこれを上下か
ら挾持している。 In FIGS. 3 and 4, the same reference numerals as in FIGS. 1 and 2 indicate the same parts, and 6 indicates a plurality of parts arranged along the longitudinal direction of the handrail 5 on the curved part on the return side of the handrail 5. These drive rollers 6
A shaft 7 fixed to is rotatably supported by a mounting frame 8, an endless chain 10 is meshed with a sprocket 9 fixed to the shaft 7, and an endless chain 10 is provided at the end of the main frame of the curved escalator. It is configured such that driving force is transmitted from a drive device and is transmitted to the drive roller 6. Reference numeral 11 denotes a pressure roller, and the pressure roller 11 is rotatably attached to a holding frame 13 having a groove-shaped cross section via a shaft 12. is arranged, and the holding frame 13 is attached to the bracket 14 fixed to the mounting frame 8 with the mounting bolt 1.
A spring 16 is mounted between the holding frame 13 and the bracket 14 to bias the pressure roller 11 toward the moving handrail 5. is mediated. Drive roller 6, pressure roller 11 shafts 7, 12
extend in the radial direction of the curvature of the handrail 5, and the driving roller 6 and the pressure roller 11 are in contact with the handrail 5 over their entire axial length, and grip it from above and below.

そして、駆動ローラ６および加圧ローラ１１は
次の外径をもつ円錐台形に構成されている。 The drive roller 6 and the pressure roller 11 are formed into a truncated cone shape with the following outer diameter.

駆動ローラ６の軸方向両端における移動手摺５
の周速度V₁，V₂は、移動手摺の角速度をθ^rad／
secとし、駆動ローラの両端における移動手摺の
曲率半径をR₁，R₂とすると、 V₁＝θR₁，V₂＝θR₂ となるので、駆動ローラの両端の外径D₁，D₂の
比を D₁／D₂＝R₁／R₂ とし、また、同様に加圧ローラ１１の両端の外径の比
を d₁／d₂＝R₁／R₂ とし、駆動ローラ６、加圧ローラ１１は軸方向に
移動手摺５の幅方向の周速度差に見合つた外径差
が設けられている。 Movable handrails 5 at both axial ends of the drive roller 6
The circumferential velocities V ₁ and V ₂ are the angular velocity of the moving handrail as θ ^rad /
sec, and the radius of curvature of the moving handrail at both ends of the drive roller is R ₁ and R ₂ , then V ₁ = θR ₁ and V ₂ = θR ₂ , so the outer diameters D ₁ and D ₂ of the drive roller at both ends are Let the ratio be D ₁ /D ₂ = R ₁ /R ₂ , and similarly, let the ratio of the outer diameters of both ends of the pressure roller 11 be d ₁ /d ₂ = R ₁ /R ₂ , and the drive roller 6, the pressure The roller 11 is provided with a difference in outer diameter in the axial direction that corresponds to a difference in circumferential speed of the moving handrail 5 in the width direction.

この手摺駆動装置は、以上説明したように構成
されているので、チエーン１０、スプロケツト９
および軸７を経て駆動ローラ６に駆動力を伝達し
て、移動手摺５を曲線部で駆動した際に、移動手
摺５と駆動ローラ６との間に滑りを生じることが
なく、このため駆動効率が高く、駆動ローラ６の
外周部が可撓性材料で作られていても、駆動ロー
ラ６の摩耗が少ない。また、移動手摺５と加圧ロ
ーラ１１との間にも滑りを生じないため、移動手
摺５の表面を傷つけることも少ない。 Since this handrail drive device is constructed as explained above, the chain 10 and the sprocket 9
When driving force is transmitted to the drive roller 6 via the shaft 7 and the movable handrail 5 is driven in a curved section, no slipping occurs between the movable handrail 5 and the drive roller 6, which improves drive efficiency. is high, and even if the outer peripheral portion of the drive roller 6 is made of a flexible material, the drive roller 6 suffers little wear. Moreover, since no slipping occurs between the moving handrail 5 and the pressure roller 11, the surface of the moving handrail 5 is less likely to be damaged.

そして、上述のような移動手摺駆動装置におい
て、移動手摺５の水平方向の動きを規制するため
に、第３図、第４図に示すように、取付枠８にブ
ラケツト１７を介して案内ローラ１８を回転可能
に取付け、案内ローラ１８を移動手摺５の溝５ａ
に嵌め、溝５ａの外周側面に当接させることが考
えられる。しかし、第３図に示すように上記ブラ
ケツト１７および案内ローラ１８は手摺駆動装置
の入口部と出口部にしか配置されていなかつたの
で、移動手摺５の張力T₁，T₂によつて移動手摺
５が内周側に寄る傾向があり、このために駆動ロ
ーラ６の側面と移動手摺５の溝５ａの開口部５ｂ
とが強く接触して移動手摺５および駆動ローラ６
の接触部が摩耗し、これらの寿命を短くし、また
上記接触によつて異音が発生し、乗客に不快感を
与えるという問題があつた。 In the above-mentioned moving handrail drive device, in order to restrict the movement of the moving handrail 5 in the horizontal direction, a guide roller 18 is attached to the mounting frame 8 via a bracket 17, as shown in FIGS. 3 and 4. is rotatably mounted, and the guide roller 18 is moved by the groove 5a of the handrail 5.
It is conceivable to fit it into the groove 5a and make it abut against the outer circumferential side surface of the groove 5a. However, as shown in FIG. 3, the bracket 17 and the guide roller 18 were disposed only at the entrance and exit of the handrail drive device, so the tensions T ₁ and T ₂ of the handrail 5 caused the handrail to move. 5 tends to be closer to the inner circumferential side, and for this reason, the side surface of the drive roller 6 and the opening 5b of the groove 5a of the moving handrail 5
The moving handrail 5 and the driving roller 6 are in strong contact with each other.
There was a problem in that the contact portions of the vehicle were worn, shortening their lifespan, and the contact produced abnormal noise, which caused discomfort to passengers.

[Summary of the idea]

この考案は、上述した問題を解決しようとする
ものであつて、案内ローラなどの案内子を手摺駆
動装置の入口部と出口部だけではなく駆動ローラ
相互間にも配設することにより、駆動ローラの側
面と移動手摺の溝の開口部との接触を回避し、移
動手摺および駆動ローラの寿命を長くできると共
に、不快な接触音の発生を防止できる曲線エスカ
レータの手摺駆動装置を提供することを目的とし
ている。 This invention is an attempt to solve the above-mentioned problem, and by disposing guide elements such as guide rollers not only at the entrance and exit of the handrail drive device but also between the drive rollers. The purpose of the present invention is to provide a handrail drive device for a curved escalator that can avoid contact between the side surface of the handrail and the opening of the groove of the moving handrail, extend the life of the moving handrail and the drive roller, and prevent the generation of unpleasant contact noise. It is said that

[Example of idea]

以下、この考案の一実施例を第５図によつて説
明する。 An embodiment of this invention will be described below with reference to FIG.

第５図中、第３図、第４図と同一符号は同一ま
たは相当部分を示し、１７はブラケツト、１８は
案内ローラであり、これらは手摺駆動装置の入口
部と出口部のほかに３個の駆動ローラ６相互間に
も配置され、合計４組設けられている。 In Fig. 5, the same reference numerals as in Figs. 3 and 4 indicate the same or equivalent parts, 17 is a bracket, 18 is a guide roller, and these are three in addition to the inlet and outlet parts of the handrail drive device. The drive rollers 6 are also arranged between each other, and a total of four sets are provided.

なお、この実施例の上述した以外の構成は、第
３図、第４図に示す手摺駆動装置と同様であり、
またこの実施例のものは第１図、第２図に示すよ
うな曲線エスカレータに用いられる。 Note that the configuration of this embodiment other than the above is the same as that of the handrail drive device shown in FIGS. 3 and 4,
Further, this embodiment is used for a curved escalator as shown in FIGS. 1 and 2.

以上のように構成された実施例の手摺駆動装置
では、第３図、第４図に示すものと同様に、駆動
ローラ６と移動手摺５との間に滑りが生じないた
め、駆動効率を高めることができ、駆動ローラ６
と移動手摺５の溝５ａ底部との接触によるこれら
の摩耗を少なくすることができる。また、移動手
摺５が張力T₁，T₂によつて内周側に寄るのを、
各々の駆動ローラ６の両側で案内ローラ１８で移
動手摺５を支えていることにより、防ぐことがで
き、したがつて移動手摺５の溝５ａの開口部５ｂ
と駆動ローラ６の側面との接触を回避することが
できる。 In the handrail drive device of the embodiment configured as described above, as in the case shown in FIGS. 3 and 4, no slipping occurs between the drive roller 6 and the moving handrail 5, so that the drive efficiency is improved. can drive roller 6
It is possible to reduce wear caused by contact between the movable handrail 5 and the bottom of the groove 5a of the moving handrail 5. Also, the movement of the handrail 5 toward the inner circumference due to the tensions T ₁ and T ₂ can be prevented by
By supporting the moving handrail 5 with guide rollers 18 on both sides of each drive roller 6, this can be prevented and thus the opening 5b of the groove 5a of the moving handrail 5
Contact with the side surface of the drive roller 6 can be avoided.

なお、上述した実施例では、案内子として案内
ローラを設けたが、この考案は移動手摺との摺接
部を摩擦抵抗が少ない材質の平滑面とした案内シ
ユーを案内ローラに代えて用いてもよい。 In the above-mentioned embodiment, a guide roller was provided as a guide element, but this invention also allows a guide shoe whose sliding contact portion with the moving handrail is a smooth surface made of a material with low frictional resistance to be used in place of the guide roller. good.

[Effect of idea]

以上説明したとおり、この考案は、移動手摺の
帰路側の曲線部を複数の駆動ローラと複数の加圧
ローラとで挾持して上記移動手摺を駆動する曲線
エスカレータの移動手摺駆動装置において、この
駆動装置の入口部と出口部とさらに上記駆動ロー
ラ相互間とに、移動手摺の水平方向の動きを規制
する案内子を設けたことにより、駆動ローラの側
面と移動手摺の溝の開口部との接触を回避し、移
動手摺および駆動ローラの寿命を長くすることが
でき、また不快な接触音の発生を防止することが
できるという効果が得られる。 As explained above, this invention provides a movable handrail drive device for a curved escalator in which the movable handrail is driven by sandwiching the return side curved portion of the movable handrail between a plurality of drive rollers and a plurality of pressure rollers. By providing guides to restrict the horizontal movement of the handrail at the entrance and exit of the device and between the drive rollers, contact between the sides of the drive roller and the opening of the groove in the handrail is prevented. It is possible to avoid this, extend the life of the moving handrail and the drive roller, and prevent unpleasant contact noise from occurring.

[Brief explanation of the drawing]

第１図は曲線エスカレータの正面図、第２図は
同平面図、第３図は先行例による手摺駆動装置の
要部を示す平面図、第４図は第３図の−線に
沿う断面図、第５図はこの考案の一実施例による
手摺駆動装置の第３図相当図である。５……移動手摺、６……駆動ローラ、１１……
加圧ローラ、１８……案内ローラ（案内子）。な
お、図中同一部分または相当部分は同一符号によ
り示す。 Fig. 1 is a front view of the curved escalator, Fig. 2 is a plan view thereof, Fig. 3 is a plan view showing the main parts of a handrail drive device according to a prior example, and Fig. 4 is a sectional view taken along the - line in Fig. 3. , FIG. 5 is a view corresponding to FIG. 3 of a handrail driving device according to an embodiment of this invention. 5...Movable handrail, 6...Drive roller, 11...
Pressure roller, 18...Guide roller (guide). In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals.

Claims

[Scope of utility model registration request]

A handrail drive device for a curved escalator that drives the movable handrail by holding a curved portion on the return side of the movable handrail between a plurality of driving rollers and a plurality of pressure rollers, the inlet and outlet portions of this drive device and the above-mentioned 1. A handrail drive device for a curved escalator, characterized in that a guide element for regulating horizontal movement of a movable handrail is disposed between drive rollers.