Expert Evaluation:
The EJM280/4-2 combined excavation and anchoring machine features a horizontal-axis retractable drum. The retractable drum is replaceable to meet different width construction requirements, allowing the tunnel to be formed in a single operation. It is equipped with 6 high-strength anchor bolt machines, 4 top anchor bolt machines, and 2 sidewall anchor bolt machines. The top anchor bolt machines use a sliding frame double-slide rod structure. It has constant power, pressure cutoff, and load-sensitive control technologies; the anchoring and walking functions are interlocked, enhancing safety. Besides anchoring operations, it can be operated via a wireless remote control system, with a plug-in controller that allows operation even when the remote control is out of power, ensuring personal and equipment safety. It uses internationally renowned brand components and features intelligent electrical control and protection functions. The cutting and lifting cylinders and the trenching cylinders are equipped with displacement sensors to achieve automatic trench cutting.

Project Unit
EJM280/4-2

Overall Machine Length mm
11250

Bucket Width mm
4620-5450

Product Introduction

1. The horizontal axis is equipped with a retractable drum, which is replaceable to meet construction requirements of different widths, allowing for one-time lane formation. It is equipped with 6 high-strength anchor machines, 4 top anchor machines, and 2 side wall anchor machines. The top anchor machines adopt a sliding frame with a double sliding rod structure.

2. It features constant power, pressure cut-off, and load-sensitive control technology; anchoring and walking are interlocked for higher safety.

3. Apart from anchoring operations, it can be operated via a wireless remote control system, equipped with a plug-in controller; the remote control can also be operated when the battery is low, ensuring personal and equipment safety.

4. Uses internationally renowned brand components, with intelligent electrical control and protection functions. The cutting and lifting cylinders and grooving cylinders are equipped with displacement sensors to achieve automatic grooving and cutting.

Parameter Configuration