A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Spiral hole digger
An electric spiral hole digger, which is characterized by comprising: a motor; a drill coupled to the motor and adapted to be driven by the motor; a power source connected to the motor and adapted to provide power to the motor; a controller coupled to the motor; and a jam detection device coupled to the controller; wherein the jam detection device is adapted to detect a jam condition encountered by the drill during operation; and the controller controls the motor to stop operating when the jam condition occurs. The invention can realize automatic and timely safe stop work when the hole digger is abnormally working. 10483984_1 (GHMatters) P109328.AU Fig.1
Spiral hole digger
An electric spiral hole digger, which is characterized by comprising: a motor; a drill coupled to the motor and adapted to be driven by the motor; a power source connected to the motor and adapted to provide power to the motor; a controller coupled to the motor; and a jam detection device coupled to the controller; wherein the jam detection device is adapted to detect a jam condition encountered by the drill during operation; and the controller controls the motor to stop operating when the jam condition occurs. The invention can realize automatic and timely safe stop work when the hole digger is abnormally working. 10483984_1 (GHMatters) P109328.AU Fig.1
Spiral hole digger
LEE HEI MAN RAYMOND (author) / LI YONG MIN (author) / XIE LI HUA (author)
2020-03-19
Patent
Electronic Resource
English
Two-handled hole digger and blades for use with hole digger
| European Patent Office | 2021
TWO-HANDLED HOLE DIGGER AND BLADES FOR USE WITH HOLE DIGGER
| European Patent Office | 2020