Machine with a swivel and wireless control below the swivel

• US 9,051,718 B2
• Filed: 06/14/2010
• Issued: 06/09/2015
• Est. Priority Date: 03/29/2009
• Status: Expired due to Fees

• Current Assignee: Stephen T. Schmidt
• Original Assignee: Stephen T. Schmidt
• Inventors: Schmidt, Stephen T.
• Primary Examiner(s): CAMBY, RICHARD M
• Application Number:
  US12/802,717
• Publication Number:
  US 20100256837A1
• Time in Patent Office: 1,821 Days
• Field of Search: 701/2, 701/50, 172/25, 172/518, 374/03, 374/17, 374/43, 374/46, 379/03
• US Class Current: 1/1
• CPC Class Codes: E02F 3/325 Backhoes of the miniature type
• CPC Class Codes: E02F 3/432 for keeping the bucket in a predetermined position or attitude
• CPC Class Codes: E02F 3/437 providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant
• CPC Class Codes: E02F 3/841 Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine construction of roads E01C19/008
• CPC Class Codes: E02F 3/964 of several tools mounted on one machine E02F3/962 takes precedence
• CPC Class Codes: E02F 9/2004 Control mechanisms, e.g. control levers control levers per se G05G
• CPC Class Codes: E02F 9/205 Remotely operated machines, e.g. unmanned vehicles E02F3/8866 takes precedence
• CPC Class Codes: E02F 9/2058 Electric or electro-mechanical or mechanical control devices of vehicle sub-units for vehicles in general B60W
• CPC Class Codes: E02F 9/2228 including an electronic controller
• CPC Class Codes: E02F 9/2246 Control of prime movers, e.g. depending on the hydraulic load of work tools

Abstract

An auto-powered mobile machine with controls for a riding operator and a system for carrying and making efficient use of a variety of attachable tools. Wireless radio communication from the controls to a lower tool may allow the swivel to spin any number of times without limitation. Hydraulic tool position controls are wirelessly coupled to a remote sensor that responds to a string datum line, a curb, direction of gravity, or GPS data.

Claims

1. A mobile machine with a swivel and, above the swivel, an operator'"'"'s seat and an engine that drives a hydraulic pump, where the engine and seat can fully swivel any number of rotations without limitation and the operator can control a hydraulically driven tool below the swivel, comprising:

(a) a set of wheels or tracks on which the machine rides supporting a support structure;

(b) coupled to and supported by the support structure, a vertical swivel such that components coupled to an upper side of the swivel can swivel about a vertical axis relative to the support structure any number of rotations without limitation;

(c) coupled to and supported by the upper side of the swivel, an engine that drives a hydraulic pump and an electrical generator, an operator'"'"'s seat and operator'"'"'s controls;

(d) coupled to and supported by the support structure and fixed to a lower side of the swivel, a hydraulically controllable tool;

(e) a wireless communication link that carries control communications from the operator'"'"'s controls to at least one wirelessly actuatable electronically actuated hydraulic valve below the swivel which hydraulic valve effects control of the tool; and

(f) a power source coupled to the electronically actuated hydraulic valve which power source provides electrical power to operate the hydraulic valve and to operate a wireless communication component coupled to the hydraulic valve.

2. The machine of claim 1 wherein elements (a) through (d) are provided by an excavator.

3. The machine of claim 1 wherein the wireless communication component comprises a radio link coupling the controls with the wirelessly actuatable hydraulic valve.

4. The machine of claim 3 wherein electrical power to operate the electronically actuated hydraulic valve and the wireless communication component is provided by a hydraulic generator which receives power from flow of hydraulic fluid from the pump driven by the engine through the swivel.

5. The machine of claim 1 wherein the tool is selected from the group comprising:

an in-front grading blade;

an on-the-side grading blade;

a curb and gutter extruder;

an asphalt paver;

a silt fence installer;

a post and fence installer;

a trencher;

a concrete/asphalt saw;

a concrete/asphalt planer;

a manhole cutter;

a log splitter;

a side roller/compactor;

a concrete pulverizer;

a stump grinder;

a three point hitch adapter;

a forestry mulcher;

a demolition shear;

a rocksaw;

a rock and concrete breaker

a brush hog;

a snowblower;

a rockhound;

a tree shear;

a dirt and rock sifter;

a vibratory roller;

a rotating broom;

a boring unit that drills vertically for installation of utilities;

a rotary saw like a saw blade;

a wheel saw with large teeth carried by a wheel like structure; and

a bedding hopper that would place utility trench bedding (sand) by tipping or conveyor.

6. The machine of claim 3 wherein electrical power to operate the wireless communication component or the electronically actuated hydraulic valve is provided by a battery.

7. The machine of claim 3 wherein electrical power to operate the wireless communication component or the electronically actuated hydraulic valve is provided by a capacitor.

8. The machine of claim 3 wherein electrical power to operate the electronically actuated hydraulic valve and the wireless communication component coupled to the electronically actuated hydraulic valve is provided by a power wire passing from above the swivel through the swivel to below the swivel.

9. The machine of claim 1 having a wirelessly actuatable hydraulic valve below the swivel which hydraulic valve effects control of at least two actuators of the tool wherein the actuators are hydraulically actuated and the commands sent from the receiver are sent to a multi-port hydraulic valve stack which controls flow of hydraulic fluid to each of the at least two actuators.

10. The machine of claim 9 wherein the hydraulic fluid sent to the actuators passes through quick-connect couplers for at least two hydraulic lines, allowing the tool to be disconnected and re-connected.