Hydraulic hammer
AssigneeDeere & Company
InventorHatim Bookwala
Life of this patent
Estimating the term…
Abstract
A hydraulic hammer for a working machine configured for digging a surface includes a housing, a chisel, sensors, and a controller. The housing is coupled to the working machine. The chisel is partially enclosed by the housing and extendable from the housing for digging the surface at a contact location. Each of the sensors is configured for generating a signal indicative of a projecting distance between one of the sensors and the surface. The controller is configured for receiving the signals, determining an angle between the chisel and a plane substantially tangent to the contact location, and reorienting the chisel so that the chisel is substantially orthogonal to the contact location with the angle at substantially ninety degrees.
Claims12
A hydraulic hammer for a working machine configured for digging a surface, the hydraulic hammer comprising:
- a housing coupled to the working machine;
- a chisel partially enclosed by the housing and extendable from the housing for digging the surface at a contact location;
- and
- a plurality of sensors, each of which is configured for generating a signal indicative of a projecting distance between one of the plurality of sensors and the surface, wherein the plurality of sensors comprise a first sensor configured for generating a first signal indicative of a first projecting distance between the first sensor and the surface, and a second sensor configured for generating a second signal indicative of a second projecting distance between the second sensor and the surface;
- and
- a controller configured for receiving the first and the second signals, determining an angle between the chisel and a plane tangent to the contact location based on the first and the second signals, and reorienting the chisel so that the chisel is orthogonal to the contact location with the angle at ninety degrees;
- wherein the housing comprises a bottom surface comprising an aperture through which the chisel is positioned, the first sensor and the second sensor are positioned on the bottom surface of the housing.
A working machine configured for digging a surface, comprising:
- a main frame;
- a controller;
- a ground engagement device coupled to the main frame and driven by a drivetrain;
- a moving system comprising:
- an implement coupled to the main frame;
- at least one implement actuator coupled to the implement and the main frame and configured for moving the implement;
- a hammer actuator coupled to the implement;
- a hydraulic hammer coupled to the hammer actuator and moved by the hammer actuator, comprising:
- a housing coupled to the implement;
- a chisel partially enclosed by the housing and extendable from the housing for digging the surface at a contact location;
- and
- a plurality of sensors, each of which configured for generating a signal indicative of a projecting distance between one of the plurality of sensors and the surface, wherein the plurality of sensors comprise a first sensor configured for generating a first signal indicative of a first projecting distance between the first sensor and the surface, and a second sensor configured for generating a second signal indicative of a second projecting distance between the second sensor and the surface;
- and
- a controller configured for receiving the first and the second signals, determining an angle between the chisel and a plane tangent to the contact location, and reorienting the chisel so that the chisel is orthogonal to the contact location with the angle at ninety degrees;
- wherein the housing comprises a bottom surface comprising an aperture through which the chisel is positioned, the first sensor and the second sensor are positioned on the bottom surface of the housing.
Dependencies are inferred from the claim text.