1, screw fastening: firstly, check whether there are any loose screws on the pole. It was the loose screw that made the pole loose. You can tighten it again with a screwdriver or wrench.
2. Use glue: there is no screw loose at the pole joint. You can try to fix the pole with glue suitable for the material. Select a suitable glue, apply it to the contact of the pole and press it for a period of time. When the glue is completely dry, fix the pole in place.
3. Seek professional repair: I am not sure how to repair it, or the above methods are invalid. It is recommended that you seek professional maintenance service or contact Maruya cart after-sales service center. They have the experience and professional knowledge to repair and solve the problem of loose tram poles.