卷簾門升降過程中卡頓?

Stuck during the lifting process of the rolling shutter door

門體變形：卷簾門在使用過程中，可能因受到外力撞擊，如車輛碰撞、重物砸落等，導致門體局部變形。變形后的門體在升降時，與軌道之間的摩擦力增大，從而出現卡頓現象。例如，濟南某停車場入口的卷簾門，被一輛超高車輛刮蹭后，門體出現彎曲，此后升降過程中頻繁卡頓，維修人員對門體進行校正修復后，卡頓問題消失。?

Door deformation: During use, rolling shutter doors may experience local deformation due to external impacts such as vehicle collisions, heavy objects falling, etc. When the deformed door body rises and falls, the friction between it and the track increases, resulting in a jamming phenomenon. For example, the rolling shutter door at the entrance of a parking lot in Jinan was scraped by a super tall vehicle, causing the door to bend. Subsequently, it frequently froze during the lifting process. After the maintenance personnel corrected and repaired the door, the problem disappeared. ?

滾輪磨損：卷簾門通過滾輪在軌道內滾動實現升降，滾輪長期使用會出現磨損。滾輪磨損不均勻或磨損嚴重時，會導致門體運行不穩定，出現卡頓。在濟南某倉庫，卷簾門使用一段時間后，升降時發出異常聲響且伴有卡頓，檢查發現是部分滾輪磨損過度，更換滾輪后，卷簾門運行恢復平穩。?

Roller wear: The rolling shutter door is lifted and lowered by rolling the roller in the track, and the roller will wear out after long-term use. When the roller wear is uneven or severe, it can cause unstable operation of the door body and result in jamming. In a warehouse in Jinan, after using the rolling shutter door for a period of time, there was abnormal noise and jamming during lifting. Upon inspection, it was found that some of the rollers were excessively worn. After replacing the rollers, the rolling shutter door resumed smooth operation. ?

鏈條或皮帶問題：對于采用鏈條或皮帶傳動的卷簾門，鏈條松動、脫落或皮帶老化、斷裂，都會影響門體的正常升降，造成卡頓。鏈條松動可能是由于長時間使用后，鏈條伸長，未及時調整張緊度。皮帶老化則與使用環境和使用時長有關，如長期處于高溫、潮濕環境，會加速皮帶老化。在濟南某工廠車間的卷簾門，因鏈條松動，導致門體升降卡頓，重新調整鏈條張緊度后，卷簾門恢復正常運行。?

Chain or belt issues: For roller shutter doors that use chain or belt transmission, loose or detached chains or aged or broken belts can affect the normal lifting and lowering of the door body, causing jamming. The loosening of the chain may be due to the elongation of the chain after prolonged use and failure to adjust the tension in a timely manner. Belt aging is related to the usage environment and duration. Prolonged exposure to high temperatures and humidity can accelerate belt aging. In a workshop of a factory in Jinan, the rolling shutter door experienced a delay in lifting due to a loose chain. After readjusting the tension of the chain, the rolling shutter door resumed normal operation. ?

卷簾門關閉不嚴?

The rolling shutter door is not tightly closed

限位器故障：卷簾門的限位器用于控制門體的升降高度，當限位器出現故障，如限位開關損壞、限位位置調整不當等，會使門體無法準確停在預定位置，導致關閉不嚴。例如，濟南某寫字樓的卷簾門，在維修后出現關閉不嚴的情況，經檢查是維修人員在安裝過程中未正確調整限位器位置，重新校準限位器后，卷簾門關閉正常。?

Limit device malfunction: The limit device of the rolling shutter door is used to control the lifting height of the door body. When the limit device malfunctions, such as damage to the limit switch or improper adjustment of the limit position, it will prevent the door body from accurately stopping at the predetermined position, resulting in loose closing. For example, in an office building in Jinan, the rolling shutter door did not close tightly after maintenance. After inspection, it was found that the maintenance personnel did not adjust the position of the limiter correctly during installation. After recalibrating the limiter, the rolling shutter door closed normally. ?

門體密封膠條老化：卷簾門的密封膠條位于門體與門框接觸處，起到密封和緩沖作用。密封膠條長期使用，會因老化、變形而失去彈性，無法緊密貼合門框，導致關閉不嚴。在濟南某，因卷簾門密封膠條老化，冬季時室內溫度明顯下降，更換密封膠條后，有效解決了關閉不嚴和保溫問題。?

Aging of door sealant strip: The sealant strip of the rolling shutter door is located at the contact between the door body and the door frame, playing a sealing and buffering role. Long term use of sealing strips can cause them to lose elasticity due to aging and deformation, making it difficult to tightly adhere to door frames and resulting in loose closure. At a supermarket in Jinan, due to the aging of the sealing strip of the rolling shutter door, the indoor temperature significantly decreased in winter. After replacing the sealing strip, the problems of loose closure and insulation were effectively solved. ?

軌道內有異物：除了影響門體升降，軌道內的異物還可能導致門體關閉時無法完全到位。例如，軌道內的小石子等異物，會阻礙門體下滑底部，造成關閉不嚴。在濟南某店鋪，發現卷簾門關閉不嚴，檢查軌道后清理出幾顆小石子，再次關閉卷簾門時，問題解決。

There are foreign objects in the track: In addition to affecting the lifting and lowering of the door, foreign objects in the track may also cause the door to not be fully in place when closed. For example, small stones and other foreign objects inside the track can hinder the door from sliding down to the bottom, causing it to not close tightly. At a store in Jinan, it was found that the rolling shutter door was not tightly closed. After checking the track, several small stones were cleared out. When the rolling shutter door was closed again, the problem was solved.

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