Systems and methods for coupling an implement to a work vehicle

Patent metadata

Field	Value
Publication number	US-11613871-B2
Application number	US-201916401807-A
Country	US
Kind code	B2
Filing date	May 2, 2019
Priority date	May 2, 2019
Publication date	Mar 28, 2023
Grant date	Mar 28, 2023

Abstract

A system configured to couple an implement to a work vehicle includes a first lock assembly coupled to an arm of the work vehicle, and the first lock assembly includes a first lock, a second lock, and a first actuator configured to drive the first lock and the second lock laterally outwardly to engage respective first openings formed in the implement. The system also includes a second lock assembly coupled to a frame of the work vehicle, and the second lock assembly includes a third lock, a fourth lock, and a second actuator configured to drive the third lock and the fourth lock laterally outwardly to engage respective second openings formed in the implement.

First claim

The invention claimed is:

1. A system configured to couple an implement to a work vehicle, comprising:
a first lock assembly coupled to an arm of the work vehicle, wherein the first lock assembly comprises a first lock, a second lock, and a first actuator configured to drive the first lock and the second lock laterally outwardly to engage respective first openings formed in the implement, and wherein the first actuator comprises a double rod cylinder comprising at least one chamber that is configured to receive a fluid, a first piston rod coupled to or integrally formed with the first lock, and a second piston rod coupled to or integrally formed with the second lock
a second lock assembly coupled to a frame of the work vehicle, wherein the second lock assembly comprises a third lock, a fourth lock, and a second actuator configured to drive the third lock and the fourth lock laterally outwardly to engage respective second openings formed in the implement; and
a third lock assembly coupled to the arm of the work vehicle, wherein the third lock assembly is configured to engage a corresponding mounting portion of another implement via a tipping motion.

2. The system of claim 1 , wherein the first lock and the second lock comprise pins.

3. The system of claim 2 , wherein the third lock and the fourth lock comprise pins.

4. The system of claim 1 , wherein the system is configured to:
isolate the implement from the third lock assembly while the implement is coupled to the work vehicle via the first lock assembly and the second lock assembly to perform respective work operations; and
isolate the another implement from the first lock assembly while the another implement is coupled to the work vehicle via the third lock assembly or via the second lock assembly and the third lock assembly to perform respective work operations.

5. The system of claim 1 , comprising a controller configured to receive one or more signals indicative of a position of the respective first openings formed in the implement from one or more sensors, and to instruct the first actuator to drive the first lock and the second lock laterally outwardly to engage the respective first openings formed in the implement when the one or more signals indicates that the respective first openings formed in the implement are aligned with the first lock and the second lock.

6. The system of claim 1 , wherein the first lock assembly forms a first connection between the implement and the work vehicle, and the implement is configured to rotate relative to the work vehicle at the first connection.

7. A system, comprising:
an implement comprising:
a pair of arms; and
a pair of first openings and a pair of second openings, wherein the pair of first openings is located along the pair of arms between a connector positioned at forward end portions of the pair of arms and the pair of second openings positioned proximate to rearward end portions of the pair of arms, wherein the connector is configured to couple to a working component of the implement;

a work vehicle comprising:
a first lock assembly coupled to an arm of the work vehicle, wherein the first lock assembly comprises a first lock, a second lock, and a first actuator configured to drive the first lock and the second lock laterally to engage the pair of first openings of the implement to form a first connection between the implement and the arm of the work vehicle; and
a second lock assembly coupled to a frame of the work vehicle, wherein the second lock assembly comprises a third lock, a fourth lock, and a second actuator configured to drive the third lock and the fourth lock laterally to engage the pair of second openings formed in the implement to form a second connection between the implement and the frame of the work vehicle.

8. The system of claim 7 , wherein the work vehicle comprises a third lock assembly coupled to the arm of the work vehicle, the implement is isolated from the third lock assembly when the implement is coupled to the work vehicle, and the first and second connections enable the work vehicle to drive movement of the implement.

9. The system of claim 8 , comprising another implement, wherein the third lock assembly is configured to engage a corresponding mounting portion of the another implement via a tipping motion to form a third connection that enables the work vehicle to drive movement of the another implement.

10. The system of claim 7 , wherein the implement comprises a dozer blade.

11. The system of claim 7 , wherein the first lock and the second lock comprise pins.

12. The system of claim 11 , wherein the third lock and the fourth lock comprise pins.

13. The system of claim 7 , wherein the first actuator comprises a double rod cylinder comprising at least one chamber that is configured to receive a fluid, a first piston rod coupled to or integrally formed with the first lock, and a second piston rod coupled to or integrally formed with the second lock.

14. The system of claim 7 , wherein the implement is coupled to the work vehicle only via the first and second connections.

15. A method, comprising:
aligning a first lock and a second lock of a first lock assembly that is coupled to an arm of a work vehicle with respective first openings of an implement;
while aligning the first lock and the second lock with the respective first openings, actuating a first actuator of the first lock assembly to drive the first lock and the second lock laterally outwardly to engage the respective first openings of the implement to form a first connection between the implement and the arm of the work vehicle;
subsequently aligning a third lock and a fourth lock of a second lock assembly that is coupled to a frame of the work vehicle with respective second openings of the implement; and
while aligning the third lock and the fourth lock with the respective second openings, actuating a second actuator to drive the third lock and the fourth lock laterally outwardly to engage the respective second openings of the implement to form a second connection between the implement and the frame of the work vehicle.

16. The method of claim 15 , wherein lifting the implement via the arm of the work vehicle causes the implement to rotate about the first connection to align the third lock and the fourth lock of the second lock assembly with the respective second openings of the implement.

17. The method of claim 15 , comprising:
aligning a third lock assembly that is coupled to the arm of the work vehicle with a corresponding mounting portion of another implement;
while aligning the third lock assembly with the corresponding mounting portion, engaging the corresponding mounting portion of the another implement via a tipping motion of the third lock assembly to form a third connection between the another implement and the arm of the work vehicle;
performing respective work operations with the implement coupled to the work vehicle via the first connection and the second connection, and not via the third connection; and
performing respective work operations with the another implement coupled to the work vehicle via the third connection and the second connection, and not via the first connection.

18. The method of claim 15 , comprising:
receiving, at a controller, one or more signals indicative of a position of the respective first openings formed in the implement from one or more sensors; and
instructing, using the controller, the first actuator to drive the first lock and the second lock laterally outwardly to engage the respective first openings of t

Assignees

• Cnh Ind America Llc

Inventors

• Seacat Daniel Owen

Classifications

• F16D3/26

  Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected (F16D3/18, F16D3/20 take precedence) · CPC title

• E02F3/3663

  hydraulically-operated · CPC title

• F16D2300/12

  Mounting or assembling · CPC title

• E02F9/006 Primary

  Pivot joint assemblies (in general F16C11/04) · CPC title

• F16D3/82

  with a coupling element in the form of a pneumatic tube (similar clutches F16D25/04) · CPC title