济南铜门开启困难的问题往往是由于一些常见的原因，比如锁具老化、缺乏润滑、变形或积尘等。下面是几种可以尝试的方法来快速解决铜门开启困难的问题：

　　The difficulty of opening Jinan copper doors is often due to some common reasons, such as aging locks, lack of lubrication, deformation or dust accumulation. Here are a few ways to try to quickly solve the problem of copper door opening difficulties:

　　1. 润滑锁芯和铰链|Lubricate lock core and hinge：

　　- 使用专门的锁具润滑油，如石墨粉或WD-40。将润滑油喷在锁孔内和铜门的铰链上，尝试几次开关门，以使润滑油充分进入内部。

　　- Use a special lock lubricant, such as graphite powder or WD-40. Spray the lubricant inside the keyhole and on the hinges of the copper door, trying to open the door several times to get the lubricant fully inside.

　　2. 检查并调整门铰|Check and adjust the door hinge：

　　- 铜门因长时间使用可能出现下沉或铰链松动的情况，这会影响门的开启。检查铰链螺丝是否已松动，如果有需要，则使用螺丝刀紧固它们。如果门有明显的下沉问题，可能需要调整铰链的位置或安装新的铰链。

　　- The copper door may sink or loosen its hinges due to long-term use, which will affect the opening of the door. Check that the hinge screws are loose and, if necessary, tighten them with a screwdriver. If the door has a significant sinking problem, it may be necessary to adjust the hinge position or install a new hinge.

　　3. 清洁锁具和门框|Clean locks and door frames：

　　- 有时候，灰尘和污垢的积累也可能导致铜门难以开启。用湿布清洁锁具周围和门框的接触点，确保这些部位干净无障碍。

　　Sometimes, the accumulation of dust and dirt can also cause the copper door to be difficult to open. Clean the contact points around the lock and door frame with a damp cloth to ensure that these areas are clean and accessible.

　　4. 检查门的对齐情况|Check the alignment of the door：

　　- 门如果没有正确对齐，也会造成开启困难。检查门框和门边缘是否平行。如果发现门框变形或门扭曲，可能需要请专业人士来调整或更换。

　　- If the door is not properly aligned, it will also cause difficulties in opening. Check that the door frame is parallel to the edge. If you find that the door frame is deformed or the door is distorted, you may need to call a professional to adjust or replace it.

　　5. 更换旧锁|Replace the old lock：

　　- 如果锁具本身损坏或严重老化，润滑和清洁可能无法解决问题。在这种情况下，更换一个新的锁具可能是直接的解决方案。

　　- If the lock itself is damaged or severely aged, lubrication and cleaning may not solve the problem. In this case, replacing a new lock may be the immediate solution.

　　在采取这些措施之前，确保检查所有可行的简单解决方案，如确认是否由于钥匙损坏或不正确导致的开锁困难。如果上述方法都不能解决铜门开启困难的问题，建议联系专业的维修服务人员进行检查和维修。

　　Before taking these steps, make sure to check all possible simple solutions, such as identifying if unlocking difficulties are due to broken or incorrect keys. If the above methods can not solve the problem, it is recommended to contact professional maintenance service personnel for inspection and maintenance.