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貴陽電梯維修廠家的電梯限速器安全鉗的維護保養

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貴陽電梯維修廠家的電梯限速器安全鉗的維護保養

發布日期:2018-02-15 作者:貴陽電梯維修廠家 點擊:

貴陽電梯維修廠家的電梯限速器安全鉗的維護保養

貴陽電梯維修廠家

Maintenance and maintenance of elevator speed limiter safety clamp of Guiyang elevator repair factory


電梯是載人的垂直交通工具,必須將安全運行放在首位。為保證電梯安全運行,從設計、制造、安裝等各個環節都要充分考慮到防止危險的發生,并針對各種可能發 生的危險,設置專門的完全裝置。限速器安全鉗系統,就是在電梯發生超速和斷繩時起保護作用的安全裝置。該系統是否能正常工作,不僅取決于設計制造,更重要 的是取決于日常維護保養。

The elevator is a manned vertical vehicle, and the safe operation must be put in the first place. In order to ensure the safe operation of the elevator, we should take full account of the risk prevention and design from all aspects such as design, manufacture and installation, and set up a special complete device for all possible hazards. The speed limiter safety clamp system is a safety device that protects the elevator when it takes over and breaks the rope. Whether the system is able to work normally depends not only on the design and manufacture, but also on the daily maintenance.


國標GB7588-1997《電梯制造與安裝規范》中第9.9.1條規定,操縱轎廂安全鉗裝置的限速器動作速度應發生在等于額定速度的115%。但應小 于:a)對于除了不可脫落式滾柱式以外的瞬時式安全鉗裝置的0.8m/s;b)對于不可脫落式滾柱式安全鉗裝置為1.00m/s;c)對于額定速度小于或 等于1.00m/s的漸進式安全鉗裝置為1.50m/s;d)對于額定速度大于1.00m/s的漸進式安全鉗裝置為1.25+0.25/v。對于額定速度 超過1.00m/s的電梯測定時建議按上述上限值的動作速度核定。第9.9.4條規定,限速器動作時,限速器繩的張緊力不得小于以下兩個較大 者;a)300N,b)安全鉗裝置起作用所需力的兩倍。

Article 9.9.1 of the national standard GB7588-1997 "elevator manufacturing and installation specification" stipulates that the speed limit of the speed limiting device for car safety clamp shall occur at 115% of the rated speed. But should be less than a) except for instantaneous safety gear can not fall off roller type except 0.8m/s; b) for the non shedding type roller type safety gear for 1.00m/s; c) for the rated speed of less than or equal to 1.00m/s progressive safety gear for 1.50m/s; d) on progressive safety pliers for rated speed of more than 1.00m/s 1.25+0.25/v. For elevator measurement with rated speed exceeding 1.00m/s, it is recommended that the action speed of the above upper limit value be approved. Article 9.9.4 stipulates that when the speed limiter moves, the tension of the speed limiter shall not be smaller than the two larger ones, and the a (300N) B shall have two times the power required by the safety clamp device.


用300N提拉力拉動安全鉗連桿拉臂,整個機構動作靈活,連動開關也能同時動作。松開拉臂后,機構應能迅速回復,但聯動開關不應復位。隨著連桿機構運動,楔塊應能在鉗座內靈活滑動。正常情況下楔塊與導軌側工作面間隙應均勻,且應在2-3mm內。

Using 300N pulling force to pull the safety clamp connecting rod pull arm, the whole mechanism is flexible, and the connecting switch can also act at the same time. After the pull arm is loosened, the mechanism should be able to respond quickly, but the linkage switch should not be reset. With the movement of the connecting rod mechanism, the wedge should be able to slide flexibly in the clamp seat. Under normal conditions, the gap between the wedge and the working face of the guide side should be uniform and should be in the 2-3mm.


貴陽電梯維修廠家上述內容充分論述了限速器安全鉗系統動作的必要條件和基本要求,但是,在對限器安全鉗的檢驗中發現部分電梯由于維護保養不善,致使該安全裝置根本達不到正 常的工作要求,主要存在下列問題:

Guiyang elevator repair factory above fully discussed the necessary conditions of speed governor safety action of the system and the basic requirements, but that due to poor maintenance in the elevator inspection of the limiter safety gear, the safety device did not reach the normal work requirements, mainly the following problems:

(1)、因限速器彈簧長期處于反復伸縮狀態,使其整定動作速度改變;

(1) for a long time, the spring of the speed limiting device is in the state of repeated expansion, which makes the speed of the setting of the setting change.

(2)、轉動部件長期缺油,阻力增大致使離心甩動部 分動作不靈活;

(2) when the rotating parts are short of oil for a long time and the resistance increases, the centrifugal movement is not flexible.

(3)、由于鋼絲繩自身的變化延伸,造成張緊裝置觸地,使鋼絲繩張力不夠,發生打滑;

(3) because of the extension of the wire rope itself, the tensioning device touches the ground, so that the tension of the wire rope is not enough and skidding.

(4)、安全鉗的連桿拉臂傳動部分缺油、銹蝕,致使提 升力大大超過300N;

(4) the driving part of the connecting rod arm of the safety pliers is short of oil and corrosion, which makes the lifting force more than 300N.

(5)、主動杠桿末端與安全鉗聯動開關距離過大,拉臂提起時,開關不能同時動作;

(5) the distance between the end of the active lever and the linkage switch of the safety clamp is too large, and when the pull arm is lifted, the switch can not act at the same time.

(6)楔塊與導軌側工作面間隙過大,在連桿提起 進,楔塊卡不住導軌;

(6) the gap between the wedge and the guide side is too large, and the connecting rod is lifted and the wedge can not be stuck to the guide rail.

(7)、楔塊內油污過多,松開拉臂后楔塊不能復位,造成導軌受損。這些問題的存在不僅使該系統成了擺設,而且容易使人產生心理麻痹, 潛在危害更大。因此,加強對限速器、安全鉗的維護保養,防止重大事故的發生十分必要。

(7) too much oil in the wedge, which can not be reset after the loosening of the pull arm, resulting in the damage of the guide rail. The existence of these problems not only makes the system set up, but also makes it prone to psychological paralysis, and the potential harm is greater. Therefore, it is necessary to strengthen the maintenance of speed limiter and safety tongs to prevent the occurrence of major accidents.


具體地說應該做好以下兩點:

In particular, we should do the following two points:

(1) 限速器要勤檢查。旋轉軸銷,張緊裝置輪軸與軸套每周應擠加鈣基潤滑油一次。張緊裝置的張力應一致,旋轉軸銷部分每周注油一次,每年清洗一次,鉛封處不得拆 卸,離心甩動裝置應定期清理上油,保持動作靈活。限速器的繩索伸長超出規定范圍時,應截短繩索。每2年要經有關部門校驗1次限速器動作速度,確保其動作速 度在國家標準規定的范圍內。

(1) the speed limiter should be inspected frequently. The rotating shaft pin and the shaft and sleeve of the tensioning device should be filled with calcium base lubricating oil once a week. Tensioning device of rotating shaft pin tension should be the same, part of a weekly oiling, washed once a year, the seal shall not disassemble, centrifugal device should be cleaned regularly to keep oil, flexible action. When the rope elongation of the speed limiter exceeds the specified range, the rope should be truncated. Every 2 years should be checked by the relevant departments to check the speed of the 1 speed limiter, to ensure that the speed of its action is within the limits prescribed by the national standard.

(2)安全鉗、連桿機構每月應加機油潤滑1次,同時緊固,保證提拉力迅速傳遞到安全鉗拉桿上,且不超過300N。調整松動的彈簧、螺釘、銷軸等零件。楔塊、鉗座每月涂少量凡士林1次。定期清洗調整安全鉗楔塊,清除里面沉積的油污,保證鉗塊的動作靈活。

(2) the safety pliers and linkages should be lubricated 1 times a month and fastened at the same time to ensure the rapid transfer of pull force to the safety clamp rod, and not more than 300N. Adjust the loose springs, screws, pin shaft and other parts. A small amount of Vaseline was painted 1 times a month.  Regular cleaning and adjusting the safety clamp wedge to remove the oil from the inside, so as to ensure the flexible movement of the clamp block.


總之。限速器安全鉗系統是電梯的1個十分重要的安全裝置,其動作正常與否不僅關系到電梯本身的運行安全,更關系到人們的生命及財產的安全。因此,電梯使用 單位加強對該安全裝置的維護保養十分必要。同時,電梯監督與檢驗機構也必須加強對電梯的安全管理,特別要加強對電梯安全裝置的檢驗與試驗,從而保證電梯安 全,高效地運行。

In a word. Speed governor safety tong system is the 1 most important safety device of elevator. Its normal operation is not only related to the safety of the elevator itself, but also to the safety of people's lives and property. Therefore, it is necessary to strengthen the maintenance and maintenance of the safety device by the use of the elevator unit. At the same time, the elevator supervision and inspection organization must also strengthen the safety management of the elevator, especially to strengthen the inspection and test of the elevator safety device, so as to ensure the safe and efficient operation of the elevator.


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