Apparatus for transporting a rotor

• US 10,252,422 B2
• Filed: 11/17/2017
• Issued: 04/09/2019
• Est. Priority Date: 08/13/2013
• Status: Active Grant

• Current Assignee: Universal Balancing Limited (China Everbright Ltd.)
• Original Assignee: Universal Balancing Limited (China Everbright Ltd.)
• Inventors: Fowler, Steve
• Primary Examiner(s): Randazzo, Thomas
• Application Number:
  US15/816,651
• Publication Number:
  US 20180071916A1
• Time in Patent Office: 508 Days
• CPC Class Codes: B25J 15/0057 mounted on a turret
• CPC Class Codes: B25J 9/0084 comprising a plurality of manipulators
• CPC Class Codes: B25J 9/0096 co-operating with a working support, e.g. work-table
• CPC Class Codes: B25J 9/1679 characterised by the tasks executed
• CPC Class Codes: G01M 1/02 Details of balancing machines or devices
• CPC Class Codes: G01M 1/24 Performing balancing on elastic shafts, e.g. for crankshafts
• CPC Class Codes: G01M 13/027 Test-benches with force-applying means, e.g. loading of drive shafts along several directions
• CPC Class Codes: G05B 2219/31041 Machine balancing, distribute articles evenly over machines
• CPC Class Codes: G05B 2219/37378 Balance of workpiece from vibration sensor and angle sensor
• CPC Class Codes: G05B 2219/45083 Manipulators, robot
• CPC Class Codes: Y10S 901/02 Arm motion controller
• CPC Class Codes: Y10S 901/06 Communication with another machine

Abstract

Provided is an apparatus capable of transporting a rotor from a first location to a second location, including: a holding device for engaging with a portion of the rotor at the first location so as to hold the rotor relative to the apparatus; a position determination device for determining the position of at least one component part of the rotor relative to another component part of the rotor or another body; a positioning device for positioning or repositioning said at least one component part of the rotor relative to another component part of the rotor or another body; and a movement device for moving the rotor from the first location to the second location. Also described is a method of loading a rotor into a balancing machine.

Claims

1. A transporting apparatus for transporting an elongate rotor from a first location to a balancing machine at a second location, the rotor being rotatable about an elongate axis and having first and second moveable component parts which are moveable relative to each other, the transporting apparatus including:

a first holding device capable of engaging with a portion of the rotor at the first location so as to hold the rotor relative to the transporting apparatus;

a second holding device capable of engaging with a further portion of the rotor at the first location so as to hold the rotor relative to the transporting apparatus;

a position determination device capable of determining the position of the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to a mounting apparatus of the balancing machine into which the elongate rotor may be loaded;

a positioning device capable of positioning the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded; and

a movement device for moving the rotor from the first location to the second location.

2. A transporting apparatus according to claim 1 including a second position determination device capable of determining the position of the second moveable component part relative to the first moveable component part or relative to a mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

3. A transporting apparatus according to claim 1 including a second positioning device capable of positioning the second moveable component part of the rotor relative to the first moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

4. An apparatus according to claim 1 wherein the positioning device is capable of angularly positioning, or rotating, the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

5. An apparatus according to claim 1 wherein the positioning device is capable of:

engaging with and holding the first moveable component part of the rotor in a desired axial position relative to the second moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded; and

/or

engaging with and holding the first moveable component part of the rotor such that it lies in a plane perpendicular or substantially perpendicular to an elongate axis of the rotor.

6. An apparatus according to claim 5 where the positioning device is capable of axially displacing the first moveable component part relative to the second moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

7. An apparatus according to claim 1 wherein the positioning device is capable of positioning an endmost articulated part of the rotor relative to the first and/or second moveable component part(s) of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

8. An apparatus according to claim 1 wherein the first holding device is capable of engaging with and holding the first moveable component part of the rotor in a desired axial position relative to the second moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded;

and/or

wherein the second holding device is capable of engaging with and holding the second moveable component part of the rotor in a desired axial position relative to the first moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

9. An apparatus according to claim 1 wherein the first holding device is capable of engaging with and holding the first moveable component part of the rotor such that it lies in a plane perpendicular or substantially perpendicular to an elongate axis of the rotor;

and/or

wherein the second holding device is capable of engaging with and holding the second moveable component part of the rotor such that it lies in a plane perpendicular or substantially perpendicular to an elongate axis of the rotor.

10. An apparatus according to claim 1 wherein the first holding device is capable of angularly positioning, or rotating, the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded;

and/or

wherein the second holding device is capable of angularly positioning, or rotating, the second moveable component part of the rotor relative to the first moveable component part of the rotor or relative to the mounting apparatus of the balancing machine into which the elongate rotor may be loaded.

11. An apparatus according to claim 1 wherein the first and/or second moveable component part of the rotor is a generally elongate part thereof, and an articulated part of the rotor.

12. An apparatus according to claim 1 wherein the first and/or second moveable component part of the rotor is an endmost, or articulated endmost, part of the rotor.

13. An apparatus according to claim 1 wherein the first and/or second moveable component part of the rotor is an intermediate, or intermediate articulated, part of the rotor.

14. An apparatus according to claim 1 wherein the positioning device includes a controller and a location feedback sensor operatively linked to the controller to control movement of the positioning device relative to a rotor being transported.

15. A system including:

a transporting apparatus according to claim 1; and

a balancing machine including;

a first mounting apparatus capable of engaging with and holding a first respective end of the rotor;

a second mounting apparatus capable of engaging with and holding a second respective end of the rotor; and

a motor for driving one or both of the first and second mounting apparatus;

wherein the transporting apparatus and the balancing machine are arranged such that the transporting apparatus is capable of transporting a rotor from a first location to the balancing machine at the second location to be loaded into the balancing machine.

16. A method of loading an elongate rotor into a balancing machine using a system as claimed in claim 15, the method including the steps of:

collecting a rotor from a first location using the transporting apparatus, the first and second holding devices of the transporting apparatus engaging with a portion of the rotor so as to hold the rotor relative to the transporting apparatus;

determining the position of the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the first or second mounting apparatus of the balancing machine;

loading the rotor into the balancing machine; and

engaging the first and second mounting apparatus of the balancing machine with each respective end of the rotor,

wherein, prior to or at the same time as the step of loading the rotor into the balancing machine, the method includes one or both of the steps of;

positioning the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the first or second mounting apparatus; and

/or

positioning one of the first and second mounting apparatus of the balancing machine at a desired position which corresponds to the position of the first moveable component part of the rotor.

17. A method according to claim 16 including the steps of:

determining the position of the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the first mounting apparatus of the balancing machine;

determining the position of the second moveable component part of the rotor relative to the first moveable component part of the rotor or relative to the second mounting apparatus of the balancing machine;

and wherein, prior to or at the same time as the step of loading the rotor into the balancing machine, the method includes one or more or all of the following steps;

positioning the first moveable component part of the rotor relative to the second moveable component part of the rotor or relative to the first mounting apparatus of the balancing machine;

positioning the second moveable component part of the rotor relative to the first moveable component part of the rotor or relative to the second mounting apparatus of the balancing machine;

positioning the first mounting apparatus of the balancing machine at a desired position which corresponds to the position of the first moveable component part of the rotor; and

/or

positioning the second mounting apparatus of the balancing machine at a desired position which corresponds to the position of the second moveable component part of the rotor.

18. A method according to claim 16 wherein the first moveable component part of the rotor is an endmost part thereof and/or wherein the second moveable component part of the rotor is an endmost part thereof.

19. A method according to claim 18 wherein the method includes the steps of:

determining the position of an array of apertures in the first endmost part of the rotor; and

aligning the first mounting apparatus with the apertures in the first endmost part of the rotor so that the first mounting apparatus may engage with the first endmost part of the rotor; and

/or

determining the position of an array of apertures in the second endmost part of the rotor; and

aligning the second mounting apparatus with the apertures in the second endmost part of the rotor so that the second mounting apparatus may engage with the second endmost part of the rotor.

20. A method according to claim 16 wherein the method includes the steps of:

determining the position of a first endmost part of the rotor;

determining the position of a second, opposite, endmost part of the rotor;

positioning the first mounting apparatus of the balancing machine at a desired position which corresponds to the position of the first endmost part of the rotor;

loading the rotor into the balancing machine;

engaging the first mounting apparatus of the balancing machine with the first endmost part of the rotor;

rotating the rotor until the second endmost part of the rotor is aligned with the second mounting apparatus; and

engaging the second mounting apparatus of the balancing machine with the second endmost part of the rotor.