Front attachment system using a common interface for different attachments
In certain embodiments, an attachment system for a work vehicle may include a chassis interface coupled to a chassis of the work vehicle. The chassis interface may include a recess extending in a longitudinal direction and a pin retainer having a pin hole extending in a lateral direction. The recess receives a protrusion of an attachment interface coupled to an attachment. The pin hole of the pin retainer receives a pin and the pin fastens the chassis interface and the attachment interface to one another.
1 . An attachment system for a work vehicle, comprising:
a chassis interface configured to couple to a chassis of the work vehicle, wherein the chassis interface comprises:
a recess extending in a longitudinal direction, wherein the recess is configured to receive a protrusion of an attachment interface coupled to an attachment, and the recess is formed by a lateral wall of the chassis interface and a tab extending parallel to the lateral wall;
a laterally extending surface to form a vertical end of the recess, wherein the laterally extending surface is coupled to the tab; and
a pin retainer having a pin hole extending in a lateral direction, wherein the pin hole is configured to receive a pin, and wherein the pin is configured to fasten the chassis interface and the attachment interface to one another.
2 . The attachment system of claim 1 , wherein a surface of the pin retainer is machined, and the surface of the pin retainer is configured to engage a bracket coupled to the pin.
3 . The attachment system of claim 2 , wherein the pin retainer comprises a bolt hole, and the bolt hole is configured to receive a bolt to couple the bracket to the chassis interface, and wherein the bolt is configured to block lateral movement of the pin.
4 . The attachment system of claim 1 , wherein the chassis interface comprises a dowel hole extending in the longitudinal direction, and the dowel hole is configured to receive a dowel pin.
5 . The attachment system of claim 1 , wherein the tab and the lateral wall are configured to engage lateral sides of the protrusion of the attachment interface to block rotation of the protrusion.
6 . The attachment system of claim 1 , wherein the laterally extending surface is configured to block rotation of the protrusion about the pin.
7 . The attachment system of claim 1 , wherein the recess comprises a back wall to form a longitudinal end of the recess, and wherein the back wall is configured to contact the protrusion to block rotation of the protrusion about the pin.
8 . The attachment system of claim 1 , wherein a longitudinal end of the chassis interface is machined to strengthen a connection between the attachment interface and the chassis interface.
9 . An attachment system for a work vehicle, wherein the attachment system comprises a chassis interface coupled to a chassis of the work vehicle and an attachment interface coupled to an attachment, and wherein the chassis interface comprises:
a plurality of recesses extending in a longitudinal direction, wherein each recess of the plurality of recesses is configured to receive a respective protrusion of the attachment interface; and
a plurality of pin retainers, wherein each pin retainer of the plurality of pin retainers is configured to retain a respective pin to fasten the attachment interface to the chassis interface, and each pin retainer of the plurality of pin retainers comprises a pin hole extending in a lateral direction;
wherein a longitudinal end of the chassis interface is configured to engage a longitudinal end of the attachment interface.
10 . The attachment system of claim 9 , wherein the plurality of pin retainers comprises a first pin retainer of the plurality of pin retainers configured to retain a first pin and a second pin retainer of the plurality of pin retainers configured to retain a second pin, and wherein the first pin retainer is aligned with the second pin retainer along a vertical axis.
11 . The attachment system of claim 10 , wherein the first pin retainer comprises a first bolt hole configured to retain a first bolt to block lateral movement of the first pin, and wherein the second pin retainer comprises a second bolt hole configured to retain a second bolt to block lateral movement of the second pin.
12 . The attachment system of claim 10 , wherein a surface of the first pin retainer and a surface of the second pin retainer are machined, and wherein the surface of the first pin retainer and the surface of the second pin retainer are configured to engage a first bracket and a second bracket, respectively.
13 . The attachment system of claim 10 , wherein the plurality of recesses comprises a first recess formed by a first tab and a second recess formed by a second tab.
14 . The attachment system of claim 9 , wherein the longitudinal end of the chassis interface is machined to strengthen a connection between the attachment interface and the chassis interface.
15 . An attachment system for a work vehicle, comprising:
a chassis interface coupled to a chassis of the work vehicle, wherein the chassis interface comprises:
a first recess extending in a longitudinal direction and configured to receive a first protrusion of an attachment interface coupled to an attachment;
a second recess extending in the longitudinal direction and configured to receive a second protrusion of the attachment interface coupled to the attachment, wherein the second recess is aligned with the first recess along a vertical axis;
a first pin retainer having a first pin hole extending in a lateral direction, wherein the first pin retainer is configured to retain a first pin, the first pin is configured to couple the attachment to the chassis, and the first pin hole aligns with the first recess along a first lateral axis; and
a second pin retainer having a second pin hole extending in the lateral direction, wherein the second pin retainer is configured to retain a second pin, the second pin is configured to couple the attachment to the chassis, and the second pin hole aligns with the second recess along a second lateral axis.
16 . The attachment system of claim 15 , wherein the chassis interface comprises a third recess and a third pin retainer, the third recess extends in the longitudinal direction, the first recess aligns with the third recess along the first lateral axis, the third pin retainer has a third pin hole extending in the lateral direction, and the third pin hole aligns with the third recess along the first lateral axis.
17 . The attachment system of claim 16 , wherein the chassis interface comprises a fourth recess and a fourth pin retainer, the fourth recess extends in the longitudinal direction, the second recess aligns with the fourth recess along the second lateral axis, the fourth pin retainer has a fourth pin hole extending in the lateral direction, and the fourth pin hole aligns with the fourth recess along the second lateral axis.
18 . The attachment system of claim 17 , wherein the first pin retainer, the second pin retainer, the third pin retainer, and the fourth pin retainer are configured to receive respective bolts to block lateral movement of the first pin, the second pin, the third pin, and the fourth pin, respectively.
19 . The attachment system of claim 15 , wherein the chassis interface comprises a dowel hole configured to receive a dowel pin to block rotation of the attachment.