JPH07106877B2 - Electric hoist - Google Patents
Electric hoistInfo
- Publication number
- JPH07106877B2 JPH07106877B2 JP2257246A JP25724690A JPH07106877B2 JP H07106877 B2 JPH07106877 B2 JP H07106877B2 JP 2257246 A JP2257246 A JP 2257246A JP 25724690 A JP25724690 A JP 25724690A JP H07106877 B2 JPH07106877 B2 JP H07106877B2
- Authority
- JP
- Japan
- Prior art keywords
- brake
- fixed
- pressure receiving
- frame
- fitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Stopping Of Electric Motors (AREA)
- Braking Arrangements (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、エレベータ等を巻上げる場合に使用する電
動巻上機に関するものである。Description: TECHNICAL FIELD The present invention relates to an electric hoist used when hoisting an elevator or the like.
従来、エレベータ等を巻上げる場合に使用する電動巻上
機としては、実開昭62−153270号公報により公表されて
いるブレーキ装置を有する電動巻上機が知られている。Conventionally, as an electric hoist used when hoisting an elevator or the like, an electric hoist having a brake device disclosed in Japanese Utility Model Laid-Open No. 62-153270 is known.
前記従来の電動巻上機の場合は、ブレーキ装置の構造が
複雑で製作費が高くなり、かつブレーキ装置が大型で大
重量になるという問題がある。In the case of the conventional electric hoist, there is a problem that the structure of the brake device is complicated and the manufacturing cost is high, and the brake device is large and heavy.
この発明は前述の問題を有利に解決できる電動巻上機を
提供することを目的とするものである。It is an object of the present invention to provide an electric hoisting machine that can advantageously solve the above-mentioned problems.
前記目的を達成するために、第１発明の電動巻上機にお
いては、電動機１により回転軸２および減速機３を介し
て回転される出力軸４に巻上用駆動プーリ５が固定さ
れ、前記回転軸２に固定された被制動部材６に対向する
一対のブレーキアーム７の基端部が、フレーム８に対し
枢軸９により枢着され、各ブレーキアーム７の先端部に
ブレーキばね10が係合されている電動巻上機において、
各ブレーキアーム７の先端部に受圧ローラ11が支軸12に
より回転自在に取付けられ、フレーム８に固定された保
持部材13に設けられているガイド孔14に、ソレノイド15
により移動される鉄芯16に固定されたブレーキ解放用操
作杆17が嵌挿され、その操作杆17に、各受圧ローラ11を
ブレーキ解放方向に押圧する下方に凸の略円錐形状の押
圧部材18が取付けられている。To achieve the above object, in the electric hoisting machine of the first invention, the hoisting drive pulley 5 is fixed to the output shaft 4 rotated by the electric motor 1 via the rotating shaft 2 and the speed reducer 3, The base ends of a pair of brake arms 7 opposed to the braked member 6 fixed to the rotary shaft 2 are pivotally attached to the frame 8 by pivots 9, and the brake springs 10 engage with the tip ends of the brake arms 7. In the electric hoist
A pressure receiving roller 11 is rotatably attached to a tip end portion of each brake arm 7 by a support shaft 12, and a solenoid 15 is provided in a guide hole 14 provided in a holding member 13 fixed to a frame 8.
The brake releasing operation rod 17 fixed to the iron core 16 moved by the is inserted into the operating rod 17, and the operating rod 17 presses each pressure receiving roller 11 in the brake releasing direction and has a substantially conical pressing member 18 protruding downward. Is installed.
また第２発明の電動巻上機においては、電動機１により
回転軸２および減速機３を介して回転される出力軸４に
巻上用駆動プーリ５が固定され、前記回転軸２に固定さ
れた被制動部材６に対向する一対のブレーキアーム７の
基端部が、フレーム８に対し枢軸９により枢着され、各
ブレーキアーム７の先端部にブレーキばね10が係合され
ている電動巻上機において、フレーム８に固定された保
持部材13に、各ブレーキアーム７の先端部間に位置する
球体支承用横孔19と球体支承用縦孔20とが設けられ、各
ブレーキアーム７の先端部に、前記横孔19に嵌入される
受圧球体21に係合する調整用螺杆22が螺合され、前記縦
孔20に各受圧球体21をブレーキ解放方向に押圧する押圧
球体23が嵌設され、前記保持部材13に設けられた中心縦
孔24に、ソレノイド15により移動される鉄芯16に固定さ
れたブレーキ解放用操作杆17が嵌挿されている。Further, in the electric hoisting machine of the second invention, the hoisting drive pulley 5 is fixed to the output shaft 4 rotated by the electric motor 1 via the rotating shaft 2 and the speed reducer 3, and is fixed to the rotating shaft 2. An electric hoist in which the base end portions of a pair of brake arms 7 facing the members to be braked 6 are pivotally attached to a frame 8 by pivot shafts 9, and brake springs 10 are engaged with the tip end portions of each brake arm 7. In the holding member 13 fixed to the frame 8, a spherical bearing lateral hole 19 and a spherical bearing vertical hole 20 located between the tip ends of the brake arms 7 are provided. An adjusting screw rod 22 engaged with a pressure receiving sphere 21 fitted in the lateral hole 19 is screwed, and a pressing sphere 23 for pressing each pressure receiving sphere 21 in the brake releasing direction is fitted in the vertical hole 20. A solenoid 15 is provided in a central vertical hole 24 provided in the holding member 13. Brake release for the operating rod 17 which is fixed to the iron core 16 to be moved is fitted.
次にこの発明を図示の例によって詳細に説明する。 The present invention will now be described in detail with reference to the illustrated example.
第１図ないし第４図は第１発明の実施例を示すものであ
って、電動機１のロータ軸25に回転軸２の一端部が連結
され、その回転軸２は箱型フレーム８により軸受26を介
して支承され、電動機１のケーシング本体27の端部と、
箱型フレーム８の端部との間に蓋兼支持部材28が介在さ
れ、その蓋兼支持部材28の一側部および他側部は、前記
ケーシング本体27の端部および箱型フレーム８の端部に
嵌合され、前記ケーシング本体27の周囲方向に間隔をお
いて配置された複数本（例えば４本）のボルト29は、ケ
ーシング本体27および蓋兼支持部材28のボルト孔に挿通
されると共に、箱型フレーム８のねじ孔30に螺合され、
前記ボルト29によりケーシング本体27と蓋兼支持部材28
と箱型フレーム８とが一体に締付結合されてる。FIGS. 1 to 4 show an embodiment of the first invention, in which one end of a rotary shaft 2 is connected to a rotor shaft 25 of an electric motor 1, and the rotary shaft 2 is a bearing 26 by a box-shaped frame 8. Through the end of the casing body 27 of the electric motor 1,
A lid / support member 28 is interposed between the end of the box frame 8 and one side and the other side of the lid / support member 28 are the end of the casing body 27 and the end of the box frame 8. A plurality of bolts 29 (for example, four bolts) fitted to the casing and arranged at intervals in the circumferential direction of the casing body 27 are inserted into the bolt holes of the casing body 27 and the lid / support member 28, and , Screwed into the screw hole 30 of the box-shaped frame 8,
The casing 29 and the lid / support member 28 by the bolt 29.
And the box-shaped frame 8 are integrally fastened together.
前記回転軸２の他端部にスパイラル歯を有する駆動ピニ
オン31が一体に設けられ、前記回転軸２に直角な水平方
向に延長する出力軸４は、箱型フレーム８により軸受32
を介して支承され、前記出力軸４には、巻上用ロープを
巻掛ける巻上用駆動プーリ５が固定されると共に、前記
駆動ピニオン31の噛み合うスパイラル歯を有する大径の
従動歯車33が固定され、前記駆動ピニオン31および従動
歯車33によりハイポイドギアからなる減速機３が構成さ
れている。A drive pinion 31 having spiral teeth is integrally provided at the other end of the rotary shaft 2, and the output shaft 4 extending in the horizontal direction perpendicular to the rotary shaft 2 is a bearing 32 by a box-shaped frame 8.
And a large diameter driven gear 33 having spiral teeth meshing with the drive pinion 31 is fixed to the output shaft 4 while a winding drive pulley 5 around which a winding rope is wound is fixed. The drive pinion 31 and the driven gear 33 constitute the speed reducer 3 including a hypoid gear.
前記回転軸２に円筒状外面を有する被制動部材６が固定
され、円弧状のブレーキライニング34を内側に固着した
一対のブレーキアーム７は前記被制動部材６の左右両側
に配置され、かつ各ブレーキアーム７の下端部は、箱型
フレーム８に対し回転軸２に平行な枢軸９により枢着さ
れ、さらに各ブレーキ７の先端部にわたってばね支承用
螺杆35が挿通され、その螺杆35の先端部に係止用ナット
36が螺合され、前記螺杆35の両端部に係止された座金37
と各ブレーキアーム７の先端部との間に、つる巻きばね
からなるブレーキばね10が圧縮状態で介在され、そのブ
レーキばね10によりブレーキアーム７が押圧されて、ブ
レーキライニング34が被制動部材６に押付けられる。A braked member 6 having a cylindrical outer surface is fixed to the rotary shaft 2, and a pair of brake arms 7 having arcuate brake linings 34 fixed to the inside thereof are arranged on both left and right sides of the braked member 6 and each brake. The lower end of the arm 7 is pivotally attached to the box-shaped frame 8 by a pivot 9 parallel to the rotary shaft 2. Further, a spring-supporting screw 35 is inserted over the tip of each brake 7, and the tip of the screw 35 is inserted. Locking nut
A washer 37, which is screwed with 36 and locked to both ends of the screw rod 37.
A brake spring 10 formed of a spiral spring is interposed between the brake arm 7 and the tip of each brake arm 7 in a compressed state, and the brake arm 7 is pressed by the brake spring 10 so that the brake lining 34 is applied to the braked member 6. It is pressed.
各ブレーキアーム７の先端部に、受圧ローラ11が回転軸
２に平行な支軸12により回転自在に取付けられ、被制動
部材６の上方において箱型フレーム８に固定された保持
部材13に、垂直なガイド孔14が設けられ、箱型フレーム
８に固定されたソレノイド15により下方に移動される鉄
芯16に、垂直なブレーキ解放用操作杆17の上部が固定さ
れ、その操作杆１は前記ガイド孔14に挿通され、下側に
向かって縮径している截頭円錐体からなる押圧部材18は
前記操作杆17の下部に固定され、その押圧部材18のテー
パ面は各受圧ローラ11に載置されている。A pressure receiving roller 11 is rotatably attached to a tip end portion of each brake arm 7 by a support shaft 12 parallel to the rotating shaft 2, and is perpendicular to a holding member 13 fixed to a box frame 8 above the braked member 6. A guide hole 14 is provided and a vertical operation lever 17 for releasing the brake is fixed to an iron core 16 which is moved downward by a solenoid 15 fixed to the box frame 8. A pressing member 18 formed of a frusto-conical body which is inserted into the hole 14 and has a diameter reduced downward is fixed to the lower portion of the operating rod 17, and the tapered surface of the pressing member 18 is mounted on each pressure receiving roller 11. It is placed.
前記ソレノイド15に通電すると、鉄芯16およびこれに固
定された操作杆17ならびに押圧部材18が下降移動され、
かつその押圧部材18により各受圧ローラ11を介して各ブ
レーキアーム７がブレーキ解放方向に押圧回動される。
またソレノイド15に体する通電を停止すると、各ブレー
キばね10の力により各ブレーキアーム７がブレーキ締付
方向に押圧回動され、かつ各受圧ローラ11により押圧部
材18,操作杆17および鉄芯16が押上げられる。When the solenoid 15 is energized, the iron core 16 and the operating rod 17 and the pressing member 18 fixed to the iron core 16 are moved downward,
Further, the pressing member 18 causes the brake arms 7 to be pressed and rotated in the brake releasing direction via the pressure receiving rollers 11.
When the energization of the solenoid 15 is stopped, each brake arm 7 is pressed and rotated in the brake tightening direction by the force of each brake spring 10, and each pressure receiving roller 11 presses the pressing member 18, the operating rod 17 and the iron core 16. Is pushed up.
第５図ないし第７図は第２発明の実施例を示すものであ
って、箱型フレーム８の上部に固定された保持部材13
に、各ブレーキアーム７の先端部間に位置する球体支承
用横孔19と、球体支承用縦孔20と、その縦孔20の上部中
央に連通する中心縦孔24とが設けられ、各ブレーキアー
ム７の先端部に、前記横孔19に嵌入される受圧球体21に
係合する調整用螺杆22が螺合され、その螺杆22にロック
ナット38が螺合され、その前記縦孔20に各受圧球体21を
ブレーキ解放方向に押圧する押圧球体23が嵌設され、さ
らに箱型フレーム８に固定されたソレノイド15により下
方に移動される鉄芯16に、前記中心縦孔24に挿通された
ブレーキ解放用操作杆17の上部が固定され、その操作杆
17の下端部は押圧球体23に載置されているが、その他の
構成は第１発明の実施例の場合と同様である。FIGS. 5 to 7 show an embodiment of the second invention, which is a holding member 13 fixed to the upper portion of the box frame 8.
Is provided with a horizontal hole 19 for spherical body support located between the tip ends of the brake arms 7, a vertical hole 20 for spherical body support, and a central vertical hole 24 communicating with the upper center of the vertical hole 20. An adjusting screw rod 22 that engages with the pressure receiving spherical body 21 that is fitted into the lateral hole 19 is screwed into the distal end portion of the arm 7, and a lock nut 38 is screwed into the screw rod 22, and each of the vertical holes 20 is fitted into the vertical hole 20. A pressing sphere 23 for pressing the pressure receiving sphere 21 in the brake releasing direction is fitted, and a brake inserted in the central vertical hole 24 in an iron core 16 that is moved downward by a solenoid 15 fixed to the box frame 8. The upper part of the operating rod 17 for release is fixed, and the operating rod
The lower end of 17 is placed on the pressing sphere 23, but the other construction is the same as that of the first embodiment of the invention.
第２発明の電動巻上機において、ソレノイド15に通電す
ると、鉄芯16およびこれに固定された操作杆17ならびに
押圧球体23が下降移動され、かつその押圧球体23により
各受圧球体21および各調整用螺杆22を介して各ブレーキ
アーム７がブレーキ解放方向に押圧回動される。In the electric hoisting machine according to the second aspect of the invention, when the solenoid 15 is energized, the iron core 16, the operating rod 17 and the pressing sphere 23 fixed to the iron core 16 are moved downward, and the pressing sphere 23 causes each pressure receiving sphere 21 and each adjustment. Each brake arm 7 is pressed and rotated in the brake release direction through the use screw 22.
またソレノイド15に対する通電を停止すると、各ブレー
キばね10の力により各ブレーキアーム７がブレーキ締付
方向に押圧回動され、かつ各ブレーキアーム７の先端部
に取付けられた螺杆22により各受圧球体21が相互に接近
する方向に押圧移動されると共に、各受圧球体21により
押圧球体を介して操作杆17および鉄芯16が押上げられ
る。When the energization of the solenoid 15 is stopped, each brake arm 7 is pressed and rotated in the brake tightening direction by the force of each brake spring 10, and each pressure receiving sphere 21 is attached by the screw rod 22 attached to the tip of each brake arm 7. Are pushed and moved in a direction in which they approach each other, and the operating rod 17 and the iron core 16 are pushed up by each pressure receiving spherical body 21 via the pressing spherical body.
第８図はブレーキアーム回動操作部の他の例を示すもの
であって、各ブレーキアーム７の先端部に調整用螺杆22
が螺合され、その螺杆22の先端部に取付けられた支持金
具39に受圧ローラ11が回転自在に取付けられ、かつ前記
螺杆22にロックナット38が螺合され、ブレーキ解放用操
作杆17の下部に保持金具40が取付けられ、その保持金具
40に、前記各受圧ローラ11に係合される押圧ローラから
なる押圧部材18が横軸により回転自在に取付けられてい
るが、その他の構成は第１発明の実施例と同様である。FIG. 8 shows another example of the brake arm rotating operation section, in which the adjusting screw rod 22 is attached to the tip of each brake arm 7.
The pressure receiving roller 11 is rotatably attached to the support fitting 39 attached to the tip of the screw rod 22, the lock nut 38 is screwed to the screw rod 22, and the lower portion of the brake release operation rod 17 is attached. Holding bracket 40 is attached to the
A pressing member 18 composed of a pressing roller engaged with each of the pressure receiving rollers 11 is rotatably attached to the shaft 40 by a horizontal axis, but other configurations are the same as those of the first embodiment of the present invention.
この発明は前述のように構成されているので、以下に記
載するような効果を奏する。Since the present invention is configured as described above, it has the following effects.
ブレーキ装置の構成が簡単で小型化することができると
共に、ブレーキ装置を低コストで製作することができ、
かつ相対的に移動する下方に凸の略円錐形状の押圧部材
18と受圧ローラ11との摩擦抵抗および押圧球体23,受圧
球体21,保持部材13の摩擦抵抗が小さいので、ソレノイ
ド15に通電したとき、小さな力でブレーキ装置を解放す
ることができると共に、ソレノイド15に体する通電を停
止したとき、ブレーキばね10の力により、ブレーキ装置
を強力に作動させることができる。The structure of the braking device is simple and can be downsized, and the braking device can be manufactured at low cost.
And a relatively downwardly convex pressing member having a substantially conical shape
Since the frictional resistance between the pressure receiving roller 11 and the pressure receiving roller 11 and the frictional resistance of the pressing sphere 23, the pressure receiving sphere 21, and the holding member 13 are small, when the solenoid 15 is energized, the brake device can be released with a small force and the solenoid 15 When the power supply to the body is stopped, the force of the brake spring 10 allows the brake device to be strongly operated.
また第２発明の場合は、調整用螺杆22を回動することに
より、ブレーキアーム７の解放位置を容易に微調整する
ことができる。Further, in the case of the second invention, the release position of the brake arm 7 can be easily and finely adjusted by rotating the adjusting screw 22.
第１図ないし第４図は第１発明の実施例を示すものであ
って、第１図は電動巻上機におけるブレーキ装置を示す
縦断正面図、第２図は第１図におけるブレーキアーム回
動操作部の拡大縦断正面図、第３図は電動巻上機の一部
横断平面図、第４図はその一部縦断側面図である。 第５図ないし第７図は第２発明の実施例を示すものであ
って、第５図は電動巻上機におけるブレーキ装置を示す
縦断正面図、第６図は第５図におけるブレーキアーム回
動操作部の拡大縦断正面図、第７図は電動巻上機の一部
縦断側面図である。第８図はブレーキアーム回動操作部
の他の例を示す縦断正面図である。 図において、１は電動機、２は回転軸、３は減速機、４
は出力軸、５は巻上用駆動プーリ、６は被制動部材、７
はブレーキアーム、８はフレーム、９は枢軸、10はブレ
ーキばね、11は受圧ローラ、12は支軸、13は保持部材、
14はガイド孔、15はソレノイド、16は鉄芯、17はブレー
キ解放用操作杆、18は押圧部材、19は横孔、20は球体支
承用縦孔、21は受圧球体、22は調整用螺杆、23は押圧球
体、24は中心縦孔、27はケーシング本体、28は蓋兼支持
部材、29はボルト、30はねじ孔、35はばね支承用螺杆、
36は係止用ナット、38はロックナットである。1 to 4 show an embodiment of the first invention, FIG. 1 is a vertical sectional front view showing a brake device in an electric hoist, and FIG. 2 is a brake arm rotation in FIG. FIG. 3 is an enlarged vertical sectional front view of the operation portion, FIG. 3 is a partially transverse plan view of the electric hoist, and FIG. 4 is a partially longitudinal side view thereof. FIGS. 5 to 7 show an embodiment of the second invention, FIG. 5 is a vertical sectional front view showing a brake device in an electric hoist, and FIG. 6 is a brake arm rotation in FIG. FIG. 7 is an enlarged vertical front view of the operating portion, and FIG. 7 is a partial vertical side view of the electric hoist. FIG. 8 is a vertical cross-sectional front view showing another example of the brake arm rotation operation section. In the figure, 1 is an electric motor, 2 is a rotating shaft, 3 is a speed reducer, 4
Is an output shaft, 5 is a drive pulley for hoisting, 6 is a member to be braked, 7
Is a brake arm, 8 is a frame, 9 is a pivot, 10 is a brake spring, 11 is a pressure receiving roller, 12 is a support shaft, 13 is a holding member,
14 is a guide hole, 15 is a solenoid, 16 is an iron core, 17 is an operating rod for releasing a brake, 18 is a pressing member, 19 is a horizontal hole, 20 is a vertical hole for supporting a spherical body, 21 is a pressure receiving spherical body, and 22 is an adjusting screw rod. , 23 is a pressing sphere, 24 is a central vertical hole, 27 is a casing body, 28 is a lid / support member, 29 is a bolt, 30 is a screw hole, 35 is a spring support screw rod,
36 is a locking nut and 38 is a lock nut.
Claims (2)
介して回転される出力軸４に巻上用駆動プーリ５が固定
され、前記回転軸２に固定された被制動部材６に対向す
る一対のブレーキアーム７の基端部が、フレーム８に対
し枢軸９により枢着され、各ブレーキアーム７の先端部
にブレーキばね10が係合されている電動巻上機におい
て、各ブレーキアーム７の先端部に受圧ローラ11が支軸
12により回転自在に取付けられ、前記フレーム８に固定
された保持部材13に設けられているガイド孔14に、ソレ
ノイド15により移動される鉄芯16に固定されたブレーキ
解放用操作杆17が嵌挿され、前記操作杆17には、テーパ
面に前記各受圧ローラ11が接触していて、この受圧ロー
ラ11をブレーキ解放方向に押圧する下方に凸の略円錐形
状の押圧部材18が取付けられている電動巻上機。1. A hoisting drive pulley 5 is fixed to an output shaft 4 which is rotated by an electric motor 1 via a rotary shaft 2 and a speed reducer 3, and faces a braked member 6 fixed to the rotary shaft 2. In the electric hoist in which the base ends of the pair of brake arms 7 are pivotally attached to the frame 8 by the pivots 9, and the brake springs 10 are engaged with the tip ends of the brake arms 7, The pressure receiving roller 11 is a spindle at the tip.
A brake release operating rod 17 fixed to an iron core 16 moved by a solenoid 15 is fitted into a guide hole 14 provided in a holding member 13 fixed to the frame 8 so as to be freely rotatable. The operating rod 17 is in contact with the pressure receiving rollers 11 on the tapered surface thereof, and is attached with a downwardly-convex substantially conical pressing member 18 for pressing the pressure receiving rollers 11 in the brake releasing direction. Electric hoist.
介して回転される出力軸４に巻上用駆動プーリ５が固定
され、前記回転軸２に固定された被制動部材６に対向す
る一対のブレーキアーム７の基端部が、フレーム８に対
し枢軸９により枢着され、各ブレーキアーム７の先端部
にブレーキばね10が係合されている電動巻上機におい
て、前記フレーム８に固定された保持部材13に、各ブレ
ーキアーム７の先端部間に位置する球体支承用横孔19と
球体支承用縦孔20とが設けられ、各ブレーキアーム７の
先端部に、前記横孔19に嵌入される受圧球体21に係合す
る調整用螺杆22が螺合され、前記縦孔20に各受圧球体21
をブレーキ解放方向に押圧する押圧球体23が嵌設され、
前記保持部材13に設けられた中心縦孔24に、ソレノイド
15により移動される鉄芯16に固定されたブレーキ解放用
操作杆17が嵌挿されている電動巻上機。2. A hoisting drive pulley 5 is fixed to an output shaft 4 which is rotated by an electric motor 1 via a rotary shaft 2 and a speed reducer 3, and faces a braked member 6 fixed to the rotary shaft 2. In an electric hoist in which the base ends of the pair of brake arms 7 are pivotally attached to the frame 8 by pivots 9, and the brake springs 10 are engaged with the tip ends of the brake arms 7, the bases are fixed to the frame 8. The holding member 13 provided is provided with a spherical bearing lateral hole 19 and a spherical bearing vertical hole 20 located between the tip ends of the brake arms 7, and the lateral holes 19 are provided at the tip end portions of the brake arms 7. An adjusting screw rod 22 that engages with the pressure receiving spherical body 21 to be fitted is screwed, and each pressure receiving spherical body 21 is inserted into the vertical hole 20.
A pressing sphere 23 that presses in the brake releasing direction is fitted,
In the central vertical hole 24 provided in the holding member 13, the solenoid
An electric hoisting machine in which a brake releasing operation rod 17 fixed to an iron core 16 moved by 15 is fitted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2257246A JPH07106877B2 (en) | 1990-09-28 | 1990-09-28 | Electric hoist |
| KR1019910016792A KR920006219A (en) | 1990-09-28 | 1991-09-26 | Electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2257246A JPH07106877B2 (en) | 1990-09-28 | 1990-09-28 | Electric hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04138085A JPH04138085A (en) | 1992-05-12 |
| JPH07106877B2 true JPH07106877B2 (en) | 1995-11-15 |
Family
ID=17303725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2257246A Expired - Lifetime JPH07106877B2 (en) | 1990-09-28 | 1990-09-28 | Electric hoist |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH07106877B2 (en) |
| KR (1) | KR920006219A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100506755B1 (en) * | 2002-07-24 | 2005-08-05 | 현대자동차주식회사 | Composition of damping sheet having multifunction |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123822Y2 (en) * | 1971-04-28 | 1976-06-18 | ||
| JPH0419024Y2 (en) * | 1987-09-21 | 1992-04-28 |
-
1990
- 1990-09-28 JP JP2257246A patent/JPH07106877B2/en not_active Expired - Lifetime
-
1991
- 1991-09-26 KR KR1019910016792A patent/KR920006219A/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR920006219A (en) | 1992-04-27 |
| JPH04138085A (en) | 1992-05-12 |
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