DE102019219101A1 - Boom lock - Google Patents

Abstract

A work vehicle includes a frame. At least one ground engaging device is coupled to the frame and configured to support the frame over a surface. A boom assembly is coupled to the frame and configured to move from a lowered position to a raised position. An implement coupler is coupled to a distal portion of the boom assembly. At least one tilt cylinder coupled to the boom assembly and the implement coupler. A boom lock coupled to the boom assembly and / or the frame. The boom lock is configured to move from an unlocked position in which the boom assembly is movable to a locked position in which the boom assembly is locked to the frame in the lowered position.

Description

Field of revelation

The present disclosure generally relates to work vehicles, such as. B. skid steer loaders, compact track loaders and other loaders in agriculture and the construction industry, and in particular to a boom lock and a method for locking a boom assembly for work vehicles.

Background of the revelation

The boom lift cylinders are often used to lift an attachment coupled to a boom of a work vehicle. To perform maintenance, it is common to attach a hydraulic cylinder lock to hold the boom in a raised position.

Summary of the revelation

In one embodiment, a work vehicle is disclosed. The work vehicle includes a frame. At least one ground engaging device is coupled to the frame and configured to support the frame over a surface. A boom assembly is coupled to the frame and configured to move from a lowered position to a raised position. An implement coupler is coupled to a distal portion of the boom assembly. At least one tilt cylinder coupled to the boom assembly and the implement coupler. A boom lock coupled to the boom assembly and / or the frame. The boom lock is configured to move from an unlocked position in which the boom assembly is movable to a locked position in which the boom assembly is locked to the frame in the lowered position.

In a further embodiment, a boom lock for a work vehicle is disclosed. The boom lock consists of a frame. A boom assembly is coupled to the frame and configured to move from a lowered position to a raised position. An implement coupler is coupled to a distal portion of the boom assembly. At least one tilt cylinder is coupled to the boom assembly and the implement coupler. The boom lock includes a movable shaft that is coupled to the boom assembly and / or the frame. A receiving device is coupled to the boom arrangement and / or the frame. The cradle is configured to receive the movable shaft. The boom lock is configured to move from an unlocked position in which the boom assembly is movable to a locked position in which the boom assembly is locked to the frame in the lowered position.

Yet another embodiment discloses a method for locking a boom arrangement of a work vehicle on the frame of the work vehicle. The boom assembly is coupled to an implement coupler that is coupled to an implement. The method includes providing a movable shaft that is coupled to the boom assembly and / or the frame. The method further comprises providing a receiving device that is coupled to the boom arrangement and / or the frame. The method includes moving the movable shaft from an unlocked position to a locked position in which the movable shaft is received by the cradle. The method further includes creating a load path that runs through the attachment, the attachment coupler, the boom assembly, the movable shaft, the cradle, and the frame.

Further features and aspects will become apparent taking into account the detailed description and the accompanying drawings.

Figure list

• 1 is a perspective view of a work vehicle with a boom lock.
• 2A 10 is a schematic view of a work vehicle controller for the work vehicle of FIG 1 in a standard configuration.
• 2 B 10 is a schematic view of a work vehicle controller for the work vehicle of FIG 1 in an updated configuration.
• 3rd is a perspective view of the work vehicle of FIG 1 with a boom arrangement in a lowered and a raised position.
• 4th is a side view of a work vehicle with a bulldozer.
• 5A is a bottom view of the work vehicle of FIG 1 , wherein the boom lock is shown according to an embodiment.
• 5B is a bottom view of the work vehicle of FIG 1 , wherein the boom lock is shown according to another embodiment.
• 5C is a bottom view of the work vehicle in 1 , wherein the boom lock is shown according to yet another embodiment.
• 6A is a perspective view of a work vehicle with tines.
• 6B is a perspective view of a work vehicle with a trencher.
• 7 is a perspective view of the work vehicle of FIG 1 , wherein the boom arrangement is shown in a dump position.
• 8th is a schematic representation of the work vehicle with the boom lock.
• 9A 10 is a schematic of an illustrative method for locking a boom assembly of a work vehicle to a frame of the work vehicle.
• 9B FIG. 10 is a schematic of an illustrative method for holding a cutting edge on a cutting plane in both the operating and dumping positions of a work vehicle.

Before explaining embodiments in detail, it should be understood that the disclosure in its application is not limited to the construction details and component arrangement that are explained in the following description or illustrated in the following drawings. The disclosure may have other embodiments and may be applied or carried out in various ways. Further embodiments of the invention may include any combination of features from one or more dependent claims, and such features may be included together or separately in any independent claim.

As used herein, lists of elements separated by conjunctive terms (e.g., "and") preceded by the phrase "at least one of" or "one or more of" designate configurations or arrangements that may be used contain individual elements of the list or a combination thereof. For example, “at least one of A, B, and C” or “one or more of A, B, and C” shows the possibilities of only A, only B, only C, or any combination of two or more of A, B, and C. (e.g. A and B; B and C; A and C; or A, B, and C).

Detailed description

1 illustrates a work vehicle 10th with a frame 15 . The work vehicle 10th is as a compact track loader 20th shown. Other types of work vehicles 10th are contemplated by this disclosure, including skid steer loaders and other types of loaders for agriculture, construction or forestry, for example. At least one ground intervention device 25th is with the frame 15 coupled and configured to frame the frame 15 over an area 30th supports and the work vehicle 10th along the surface 30th emotional. The ground engaging device shown 25th consists of a pair of chains 35 . Alternatively, the ground engaging device 25th also be equipped with wheels (not shown).

A driver's cabin 40 with a door 45 is with the frame 15 coupled. An operator interface 50 can in the driver's cabin 40 or away from the work vehicle 10th be positioned. The operator interface 50 can from an ad 55 consist of an operator input device 60 May include, which is configured to a setting of a work vehicle or a parameter 65 ( 8th ) sets or changes, such as a leveling command 70 ( 8th ). For example, the display 55 from a touchscreen 75 consist. The operator input device 60 can from the display 55 be separated. For example, the operator input device 60 from a keyboard 80 or a sealed switch module (“SSM”) 85.

A controller for a work vehicle 90 can also be in the driver's cabin 40 or away from the work vehicle 10th be positioned. With reference to the 2A and 2 B can control 90 a first joystick for a work vehicle 95 , a second joystick 100 and any combination of a variety of switches 102 (e.g. a rotary wheel) and a variety of buttons 103 (e.g. a push button) or other control devices (e.g. rotary knobs, buttons). For example, the first joystick 95 from a variety of buttons 103 and the second joystick 100 from a switch 102 and a variety of buttons 103 consist. Other configurations of a switch 102 and a button 103 are taken into account by this disclosure. The functions of the control 90 for a work vehicle can be of a standard configuration 105 to an updated configuration 110 be converted. For example, from a standard configuration 105 , such as B. a compact track loader mode 115 , to an updated configuration 110 , such as B. a leveling mode 120 or another mode (e.g. tine mode, trenching mode).

In the standard configuration 105 , the updated configuration 110 , the compact track loader mode 115 and the leveling mode 120 can be the first joystick 95 have the same operation and function: press the first joystick 95 for the forward movement 125 of the work vehicle 10th forward, press the first joystick 95 for the backward movement 130 of the work vehicle 10th backwards, push the first joystick 95 right to turn right 135 and press the first joystick 95 left to turn left 140.

In the standard configuration 105 and the compact track loader mode 115 can the second joystick 100 have the same operation and function: press the second joystick 100 forward to move the boom down, press the second joystick 100 backwards to move the boom 150, press the second joystick 100 right to move the bucket down and press the second joystick 100 left to move the bucket up 160.

In the updated configuration 110 and the leveling mode 120 can the second joystick 100 have the same operation and function: press the second joystick 100 forward to move the coulter 165 down, press the second joystick 100 to move the coulter up 170, press the second joystick 100 right to tilt the coulter right 175, press the second joystick 100 left to tilt the coulter 180 left, press the switch 102 forward to move the coulter angle to the right 185 and press the switch 102 backwards to move the coulter angle to the left 190.

With reference to 1 , is a boom arrangement 195 with the frame 15 coupled. The boom arrangement 195 includes a pair of top links 200 that are pivotable with the frame 15 are coupled. A pair of lower links 205 are pivotable with the frame 15 connected. A pair of boom cylinders 210 are pivotable with the frame 15 coupled, one on each side of the work vehicle 10th is arranged. The boom cylinders 210 can be made from hydraulic actuators 215 or electronic actuators 220 consist. A pair of outrigger arms 225 is pivotable with the top links 200 and the lower links 205 coupled and on each side of the work vehicle 10th positioned. The pair of outrigger arms 225 can be swiveled with the boom cylinders 210 coupled. With reference to the 1 and 3rd are the boom cylinders 210 configured to use the boom assembly 195 from a lowered position 230 in a raised position 235 move. Other boom assembly configurations 195 are taken into account by this disclosure.

With reference to 1 is a boom position sensor 240 with one of the frames 15 , or the boom assembly 195 or the boom cylinder 210 coupled. The boom position sensor 240 is configured to receive a boom position signal 245 ( 8th ) that transmits a position of the boom assembly 195 displays. The boom position sensor 240 can consist of a rotation sensor, a cylinder position sensor or another sensor.

With reference to 4th is an implement coupler 250 with a distal section 255 the boom arrangement 195 coupled. A pair of tilt cylinders 260 are with the boom arrangement 195 and the implement coupler 250 with one side of the work vehicle 10th coupled. The tilt cylinders 260 can be made from hydraulic actuators 265 or electronic actuators 270 consist. The tilt cylinders 260 are configured to be the implement coupler 250 move or tilt.

Referring to FIGS. 1 and 4 is a hydraulic system 275 fluidly with the boom cylinders 210 and the tilt cylinders 260 coupled. The hydraulic system 275 includes a hydraulic pump 280 and a hydraulic valve 285 (e.g. an electro-hydraulic valve) to direct the hydraulic oil flow to the boom cylinders 210 and the tilt cylinders 260 to settle after it inputs from the operator interface 50 and / or the control of the work vehicle 90 had received. With reference to the 2A , 2 B and 4th can in the updated configuration 110 the functions of the first joystick 95 , the second joystick 100 , the desk 102 and the buttons 103 to be changed to include different aspects of the hydraulic system 275 Taxes. For example, the second joystick 100 that the directions in compact track loader mode 115 for the boom cylinder 210 in the forward boom down 145 and the back boom 150 controls, now change the directions for the tilt cylinder 260 165 in the forward share and in leveling mode 120 to steer the backward coulter upwards 170. This disclosure considers other aspects of the hydraulic system 275 by further changes to the first joystick 95 , the second joystick 100 , the switches 102 and the buttons 103 can be controlled.

With reference to the 5A , 5B and 5C is a boom lock 290 with the boom arrangement 195 and / or the frame 15 coupled. The boom lock 290 is configured to move from an unlocked position 295 moves in the boom assembly 195 in a locked position 300 can be moved in the boom assembly 195 in the lowered position 230 on the frame 15 is locked (( 3rd ). The boom lock 290 can from a cradle 305 exist with the boom assembly 195 and / or the frame 15 is coupled. The cradle 305 is configured to be a moving shaft 310 (e.g. sliding shaft, rotating shaft) takes up with the boom assembly 195 and / or the frame 15 is coupled. In some embodiments, the cradle 305 be configured to have a sliding block 315 or a rotary lock 320 or a wedge 325 records. The moving wave 310 can be a hydraulic actuator 330 or an electronic actuator 335 be.

Referring to FIGS. 1, 4, 5A, 5B, 5C, 6A and 6B, an attachment can 340 with the attachment coupler 250 be coupled. The attachment 340 can from a shovel 345 , a bulldozer 350 , Tines 355 , a trencher 360 or other attachments 340 (e.g. gripper, screw). The attachment 340 can be a cutting edge 365 exhibit ( 1 ).

With reference to 4th can be an implement position sensor 370 with the boom arrangement 195 , or the implement coupler 250 or the tilt cylinder 260 be coupled and configured to receive an implement position signal 375 ( 8th ) that transmits a position of the implement coupler 250 displays. The implement position sensor 370 can consist of a rotation sensor, a cylinder position sensor or another type of sensor.

An inertial measurement unit (“IMU”) 380 or a tilt sensor 385 can with the attachment 340 coupled and configured to generate an inclination signal 390 ( 8th ) transmits an incline of the attachment 340 in terms of the frame 15 or the surface 30th displays. The slope corresponds to the right wing slope 175 and the left wing slope 180 in the updated configuration 110 ( 2 B) and the leveling mode 120 ( 2 B) .

With reference to the 1 and 8th , being an identification device 395 with the attachment 340 can be coupled and configured to post an activation event 405 an implement identification signal 400 transferred to. The identification device 395 can from a signaling arrangement 410 consist. The implement identification signal 400 can the implement dimensions 415 include. The activation event 405 can the work vehicle 10th include which is the attachment 340 touched with a minimal force, taking the attachment 340 remains stationary. As an alternative, the activation event 405 also the identification device 395 comprise an activation signal 420 from one with the work vehicle 10th coupled activation sensor 425 receives. The operator interface 50 or the ad 55 can communicate with the identification device 395 coupled and configured to receive the identification signal 400 of the attachment. The operator interface 50 , the ad 55 or the operator input device 60 can be configured to receive operator input that is confirmation of an implement 430 and the leveling command 70 displays. The operator interface 50 or the ad 55 can the implement identification signals 400 of the attachments 340 in the order of the intensity of the implement identification signals 400 ads, starting with the strongest signal of the various signals from a variety of attachments 340 be received. The operator interface 50 or the ad 55 can also use the implement identification signals 400 of the attachments 340 display, starting with the most recently used or previously used attachments 340 . Additional implement identification signals 400 for display orders are taken into account by this disclosure.

A position recipient 435 can with the frame 15 or the driver's cabin 40 coupled and configured so that it has a spatial position signal 440 ("GPS") (e.g. GNSS, GLONASS) receives to a position of the work vehicle 10th to localize.

A leveling control system 445 can communicate with the operator input device 60 coupled and configured so that it is the leveling command 70 receives and a cutting plane 450 Are defined. The leveling control system 445 can be from a laser 455 consist of the one with the frame 15 coupled and configured to receive the leveling command 70 receives and the cutting plane 450 to the surface 30th projected. As an alternative, the leveling control system 445 from an internal on-board system 460 exist, which is not a cutting plane 450 projected, but communicative with the operator input device 60 coupled and for receiving the leveling command 70 is configured.

One control 465 can with the work vehicle 10th be coupled. In leveling mode 120 ( 2 B) can control 465 be configured to be an operator signal 470 from the operator interface 50 receives a lower boom signal 475 to the hydraulic system 275 sends to the boom assembly 195 to the frame 15 lower, and a boom lock signal 480 to a hydraulic actuator 330 or an electronic actuator 335 the boom lock 290 sends to the boom lock 290 in the locked position 300 to spend ( 5A , 5B , 5C ) after the boom assembly 195 on the frame 15 was lowered. The control 465 can receive signals wirelessly (e.g. via Bluetooth) via a wireless communication device 485 for work vehicles or via a communication bus 490 receive and send. The control 465 can be an electronic data processor 495 include.

The electronic data processor 495 can be local as part of the work vehicle 10th or away from the work vehicle 10th be installed. In various embodiments, the electronic data processor 495 include a microprocessor, a microcontroller, a central processing unit, a programmable logic arrangement, a programmable logic controller, an application-specific integrated circuit, a logic circuit, an arithmetic logic unit or another suitable programmable circuit which is suitable for performing data processing and / or system control operations. In further embodiments, the electronic data processor 495 manage the transfer of data to and from a remote processing system over a network and wireless infrastructure. The electronic data processor can, for example, signal data from the communication bus 490 collect and process to transfer them either in the forward or reverse direction (ie to or from the remote processing system).

A storage device 500 stores information and data for access by the electronic data processor 495 , the communication bus 490 or the wireless vehicle communication device 485 . The storage device 500 may include electronic storage, non-volatile random access memory, an optical storage device, a magnetic storage device, or other device for storing and retrieving electronic data on a writable, rewritable or readable electronic, optical or magnetic storage medium.

For two-dimensional automatic control of the attachment 340 can control 465 can be configured to receive the spatial position signal 440 from the position recipient 435 , the boom position signal 245 , the implement position signal 375 , the operator signal 470 or receives the input and the storage device 500 referenced and the work vehicle control 90 between the standard configuration 105 and the updated configuration 110 changes. The control 465 can be configured to increase the implement 340 according to the leveling command 70 by controlling the hydraulic system 275 controls.

As an alternative, the controller 465 for three-dimensional automatic control of the attachment 340 can be configured to receive the spatial position signal 440 from the position recipient 435 , the boom position signal 245 , the implement position signal 375 , the tilt signal 390 , the implement identification signal 400 , the operator signal 470 or receives the input and the work vehicle control 90 between the standard configuration 105 and the updated configuration 110 changes. The control 465 can be configured to have a height and an incline of the implement 340 according to the leveling command 70 controls.

The control 465 can be configured to use the hydraulic system 275 controls the height and incline of the attachment 340 according to the leveling command 70 to control. The control 465 can be configured to use the hydraulic system 275 controls to the cutting edge 365 on the cutting plane 450 maintain. The control 465 can be configured to receive the boom position signal 245 , the implement position signal 375 and the leveling command 70 receives and the cutting edge 365 on the cutting plane 450 both in an operating position 505 ( 3rd ) as well as in a dump position 510 ( 7 ) holds.

In operation, an operator can control the cab 40 enter or via the wireless communication device 485 of the work vehicle or the communication bus 490 remotely controlled on the work vehicle 10th access. The operator can control the work vehicle 10th with the operator input device 60 , such as the SSM 85 , turn on. The operator can control the work vehicle 10th with the help of the work vehicle control 90 to an attachment 340 move. When contacting the work vehicle 10th , but before moving the attachment 340 , the activation event occurs 405 one and the identification device 395 sends the implement identification signal 400 . As an alternative, the activation event 405 occur once the activation sensor 425 the activation signal 420 to the identification device 395 sends, causing the identification device 395 the identification signal 400 for the attachment. The operator interface 50 or the ad 55 can the implement identification signal 400 display or, if more than one attachment 340 is present and the identification devices 395 the operator interface can be activated 50 or the ad 55 the implement identification signals 400 in the order of the intensity of the implement identification signals 400 display, starting with the strongest signal from the nearest implement 340 on the work vehicle 10th corresponds.

The operator positions the work vehicle 10th for coupling to the attachment 340 . After the attachment 340 with the work vehicle 10th coupled, the operator interface 50 or the ad 55 prompt the operator to enter operator input that corresponds to the Attachment confirmation 430 or the leveling command 70 points out. The operator interface 50 or the ad 55 can the implement dimensions 415 and the type of attachments 340 , such as B. the shovel 345 who have favourited Dozer 350 who have favourited Prongs 355 who have favourited Trencher 360 or any other attachment 340 (e.g. gripper, screw) as part of the attachment confirmation 430 represent. The operator can make operator input using the display 55 or the operator input device 60 enter.

Is it the attachment 340 around a dozer blade 350 , the operator can control the boom assembly 195 with the help of the boom lock 290 on the frame 15 lock. The operator can lock the boom 290 activate by entering operator input using the operator interface 50 or the ad 55 or the operator input device 60 enters what the controller 465 the control signal 470 receives. After receiving the control signal 470 can control 465 the lower boom signal to the hydraulic system 275 send to the boom assembly 195 to the frame 15 lower. The control 465 can the lock signal 480 to the hydraulic actuator 330 or the electronic actuator 335 transferred to the boom lock 290 in the locked position 300 to move. As soon as the dozer 350 on the work vehicle 10th is attached and the boom lock 290 in the locked position 300 the operator can make an operator input on the operator interface 50 or on the operator input device 60 deploy to the leveling mode 120 to select, thereby controlling the work vehicle 90 reconfigured to be more like a conventional bulldozer or crawler

When the coulter 350 with the attachment coupler 250 coupled, there is no load path 515 through the lower links 205 the boom arrangement 195 . The load path 515 can through the dozer 350 , the boom arrangement 295 who have favourited Boom Lock 290 and the frame 15 run. The tilt cylinders 260 are configured to be the attachment 340 both in the unlocked position 295 as well as in the locked position 300 move or tilt. In the locked position 300 can the tilt cylinder 260 for example the attachment 340 from the surface 30th lift. The tilt cylinders 260 can the attachment 340 from the operating position 505 in the dump position 510 move. If the attachment 340 from the operating position 505 in the dump position 510 the implement can be lifted 340 be rotated around the cut edge 365 on the cutting plane 450 maintain. Is the attachment 340 for example the shovel 345 , the shovel 345 can be configured so that the content or material in the dump position 510 emptied and distributed. The default configuration 105 can be used for controlling the bucket 345 and the updated configuration 110 for controlling the dozer blade 350 or other attachments 340 be provided.

The leveling system 445 can the leveling command 70 received and the cutting plane 450 define. The control 465 can the leveling command, the spatial position signal 440 , the boom position signal 245 , the implement position signal 375 and the tilt signal 390 received to the height and incline of the implement 340 to control automatically while the work vehicle 10th the surface 30th traverses.

A method of locking a boom assembly 195 of a work vehicle 10th on a frame 15 of the work vehicle 10th is in 9A shown. In step 520 is the boom arrangement 195 with an attachment coupler 250 coupled with an attachment 340 is coupled. In step 525 the method further includes providing a movable shaft 310 that with the boom assembly 195 and / or the frame 15 is coupled, the movable shaft 310 from an unlocked position 295 in a locked position 300 is moved in the cradle 305 the moving shaft 310 records. In step 530 the method includes generating a load path 515 by the implement 340 , the implement coupler 250 , the boom arrangement 195 , the moving shaft 310 , the cradle 305 and the frame 15 runs.

In step 535 the method further comprises providing a controller 465 for receiving an operating signal 470 from an operator interface 50 that in one with the frame 15 coupled operator station 40 is positioned, the transmission of a lower boom signal 475 to a hydraulic system 275 that is configured to be the boom assembly 195 to the frame 15 lowers, and transmitting a boom lock signal 480 to a hydraulic actuator 330 or an electronic actuator 335 to the receiving device 305 for receiving the movable shaft 310 to cause.

In step 540 involves the process that the implement 340 a dozer 350 is and the load path 515 through the dozer 350 , the implement coupler 250 , the boom arrangement 195 , the moving shaft 310 , the cradle 305 and the frame 15 runs.

In step 545 the method further includes tilting the implement 340 with at least one tilt cylinder 260 with the boom assembly 195 and the implement coupler 250 is coupled to the implement 340 from a surface 30th lifting without the load path 515 to change.

A method of holding a cut edge 365 on a cutting plane 450 both in an operating position 505 as well as in a dump position 510 of a work vehicle 10th is in 9B shown. In step 550 the method includes providing a work vehicle 10th that a frame 15 , one with the frame 15 coupled boom arrangement 195 , one with a distal section 255 the boom arrangement 195 coupled implement coupler 250 and one with the implement coupler 250 coupled attachment 340 includes. In step 555 the method further includes receiving a boom position signal 245 which is a position of the boom assembly 195 indicates receiving an implement position signal 375 which is a position of the implement coupler 250 indicates receiving a leveling command 70 and defining a section plane 450 as well as maintaining the cut edge 365 on the cutting plane 450 . In step 560 the method involves maintaining the cut edge 365 on the cutting plane 450 in the dump position 510 by turning the attachment 340 .

• Auslegersperre für ein Arbeitsfahrzeug, die einen Rahmen, eine Auslegeranordnung, die mit dem Rahmen gekoppelt und so konfiguriert ist, dass sie sich von einer abgesenkten Position in eine angehobene Position bewegt, einen Anbaugerätekoppler, der mit einem distalen Abschnitt der Auslegeranordnung gekoppelt ist, und mindestens einen Kippzylinder, der mit der Auslegeranordnung und dem Anbaugerätekoppler gekoppelt ist, umfasst, wobei die Auslegersperre Folgendes umfasst:
  • eine bewegliche Welle, die mit einer der Auslegeranordnung und/oder dem Rahmen gekoppelt ist; und
  • eine Aufnahmevorrichtung, die mit der weiteren Auslegeranordnung und/oder dem Rahmen gekoppelt ist, wobei die Aufnahmevorrichtung so konfiguriert ist, dass sie die bewegliche Welle aufnimmt,
  • die Auslegersperre, die so konfiguriert ist, dass sie sich aus einer entriegelten Position, in der die Auslegeranordnung beweglich ist, in eine verriegelte Position bewegt, in welcher der Ausleger in der abgesenkten Position am Rahmen verriegelt ist.

Some further embodiments are described below:

• A boom lock for a work vehicle, comprising a frame, a boom assembly coupled to the frame and configured to move from a lowered position to a raised position, an implement coupler coupled to a distal portion of the boom assembly, and at least a tilt cylinder coupled to the boom assembly and the implement coupler, the boom lock comprising:
  • a movable shaft coupled to one of the boom assembly and / or the frame; and
  • a pickup device coupled to the further boom assembly and / or the frame, the pickup device configured to receive the movable shaft,
  • the boom lock configured to move from an unlocked position in which the boom assembly is movable to a locked position in which the boom is locked to the frame in the lowered position.

The boom lock further includes a controller configured to receive an operator signal from an operator interface, sends a lower boom signal to a hydraulic system configured to lower the boom assembly to the frame, and a boom lock signal to an actuator of the boom lock sends to bring the boom lock to the locked position after the boom assembly has been lowered onto the frame.

Boom lock, further comprising a coulter that is coupled to the implement coupler and a load path that runs through the coulter, boom assembly, boom lock and frame. A boom lock according to claim 10, wherein the tilt cylinder in the locked position lifts an implement coupled to the implement coupler from a surface.

Boom lock, where the attachment consists of a coulter and a load path does not run through a lower link of the boom assembly while the boom lock is in the locked position.

• Bereitstellen einer beweglichen Welle, die mit der Auslegeranordnung und/oder dem Rahmen gekoppelt ist;
• Bereitstellen einer Aufnahmevorrichtung, die mit der anderen Auslegeranordnung und/oder dem Rahmen gekoppelt ist;
• Bewegen der beweglichen Welle aus einer entriegelten Position in eine verriegelte Position, in der die Aufnahmevorrichtung die bewegliche Welle aufnimmt; und
• Erzeugen eines Lastpfades, der durch das Anbaugerät, den Anbaugerätekoppler, die Auslegeranordnung, die bewegliche Welle, die Aufnahmevorrichtung und den Rahmen verläuft.

A method of locking a boom assembly of a work vehicle to a frame of the work vehicle, the boom assembly being connected using an implement coupler coupled to an implement, the method comprising:

• Providing a movable shaft coupled to the boom assembly and / or the frame;
• Providing a pickup device coupled to the other boom assembly and / or the frame;
• Moving the movable shaft from an unlocked position to a locked position in which the cradle receives the movable shaft; and
• Generating a load path that runs through the implement, implement coupler, boom assembly, movable shaft, cradle, and frame.

The method, further comprising providing a controller for receiving an operator signal from an operator interface positioned in a cabin coupled to the frame, transmitting a lower boom signal to a hydraulic system configured to lower the boom assembly onto the frame. and transmitting a boom lock signal to an actuator to cause the pickup device to pick up the movable shaft.

Method, wherein the attachment consists of a leveler and the load path runs through the leveler, the attachment coupler, the boom arrangement, the movable shaft, the receiving device and the frame.

A method, further comprising tilting the implement with one of the tilt cylinders coupled to the boom assembly and / or the implement coupler to raise the implement from a surface without changing the load path.

Method, wherein the attachment is a shovel.

Method, wherein the attachment is a trencher.

Claims (9)

Work vehicle comprising: a frame; at least one ground engaging device coupled to the frame and configured to support the frame over a surface; a boom assembly coupled to the frame and configured to move from a lowered position to a raised position; an implement coupler coupled to a distal portion of the boom assembly; at least one tilt cylinder, which is coupled to the boom arrangement and the implement coupler. a boom lock coupled to the boom assembly and / or the frame, the boom lock configured to move from an unlocked position in which the boom assembly is movable to a locked position in which the boom assembly is coupled to the frame is locked in the lowered position. Work vehicle after Claim 1 wherein the boom lock includes a pickup device coupled to the boom assembly and / or the frame, the pickup device configured to receive a moveable shaft coupled to the boom assembly and / or the frame. Work vehicle after Claim 1 or 2nd , further comprising an operator cabin coupled to the frame, an operator interface positioned in the operator cabin, and a controller configured to receive an operator signal from the operator interface, sending a lower boom signal to a hydraulic system configured to perform the The boom assembly is lowered to the frame and sends a boom lock signal to an actuator of the boom lock to bring the boom lock into the locked position after the boom assembly has been lowered onto the frame. Work vehicle according to one of the Claims 1 to 3rd , further comprising an attachment coupled to the attachment coupler, wherein the tilt cylinder is configured to tilt the attachment to the unlocked position and the locked position. Work vehicle after Claim 4 , wherein the attachment consists of a coulter and a load path does not run through a lower link of the boom arrangement while the boom lock is in the locking position. Work vehicle after Claim 4 , with the attachment consisting of a coulter and a load path running through the boom arrangement, the boom lock and the frame. Work vehicle after Claim 4 , with the attachment consisting of a shovel. Work vehicle after Claim 4 , with tines in the attachment. Work vehicle according to one of the Claims 4 to 8th , with the tilt cylinder lifting the attachment from the surface in the locked position.

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