CN103597144A

CN103597144A - Work machine blade coupling

Info

Publication number: CN103597144A
Application number: CN201280025682.0A
Authority: CN
Inventors: M·艾拉尔
Original assignee: Caterpillar Inc
Current assignee: Caterpillar Inc
Priority date: 2011-05-27
Filing date: 2012-05-24
Publication date: 2014-02-19
Anticipated expiration: 2032-05-24
Also published as: CN103597144B; GB2491203A; GB2491203B; WO2012166542A1; GB201109128D0

Abstract

The present disclosure relate to a connector for coupling a blade to an extendable arm of a work machine. The connector comprises a first part attachable to the blade and having first engagement means. The connector also comprises a second part attachable to the extendable arm and having second engagement means arranged to cooperate with the first engagement means. This cooperation permits relative translational movement of the first and second parts between locked and unlocked positions. The connector further comprises locking means operable selectively to restrict relative movement of the first and second parts when in their locked position.

Description

Work machine shovel board connects

Technical field

The present invention relates to for shovel board being connected to the connector of Work machine.The invention still further relates to the shovel board that is equipped with connector and the Work machine that is equipped with shovel board.One aspect of the present invention relates to the method for handling shovel board.

Background technology

Work machine for example tractor and bulldozer is known, and it is known particularly at them, having in the building of extensive use and agricultural industry.Conventionally, this machine is included in chassis, motor and shovel board or the similar material handling device that transports and support operator's driver's cabin on ground engagement crawler belt or wheel.Conventionally, shovel board is wider than Work machine, makes more materials can utilize the each by processing of Work machine, reduces running cost thus by fuel saving and time.

But some areas have been introduced and have been forbidden that transportation is equipped with the transport law of the Work machine of excessive shovel board.Some this rules regulation shovel board must not extend beyond the width of Work machine, and other have stipulated maximum shovel board width, for example 3 meters.For fear of violate these rules in transportation, modern machines can be equipped with and can before transportation, transform to reduce the restructural shovel board of its effective width.For example, some this shovel boards are collapsible and/or pivotable to avoid extending beyond the width of Work machine.Some older, more basic machines may not comprise transport configuration, therefore need to before transportation, remove shovel board and ressemble at terminal, and this is operation consuming time.

First a lot of these restructural shovel boards need to regulate some link gears, shovel board could be between its operating position and its transporting position pivotable.These shovel boards can be very expensive, and it regulates meeting cost quality time and technology.

The object of the invention is to overcome at least partly the problem relevant to known shovel board.

Summary of the invention

According to an aspect of the present invention, provide a kind of for shovel board being connected to the connector of the extensible arm of Work machine, this connector comprises: first, and it can be attached to shovel board and have the first coupling device; Second portion, it can be attached to extensible arm and have the second coupling device, and the second coupling device is arranged to cooperate to allow the relative translation campaign between latched position and unlocked position of first and second portion with the first coupling device; And locking device, it can optionally operate to limit first and the relative motion of second portion when being positioned at its latched position.

According to a second aspect of the invention, provide the method for a kind of preparation machine for transporting, Work machine comprises:

Shovel board, it has slide connector, this slide connector has the second portion that is installed to the first of shovel board and is connected to the first extensible arm extending from Work machine in a side of main connector, and described first and second portion interconnect and arrange for translational motion between latched position and unlocked position; And pivot connector, it is positioned on the opposite side of main connector and is connected to the second extensible arm extending from Work machine, and described method comprises step:

Slide connector is arranged in to unlocked state, to allow the relative translation campaign between first and second portion; Shrink the first extensible arm simultaneously and extend the second extensible arm to cause that shovel board is with respect to Work machine pivotable; Once and the first extensible arm shrinks completely, continue to extend the second extensible arm with further pivotable shovel board, promote thus the first extensible arm and move to its unlocked position towards inwardly move Bing Shi first and second portion of pivot connector.

Accompanying drawing explanation

Only, by example, referring now to accompanying drawing, describe a specific embodiment of the present invention in detail, wherein:

Fig. 1 is the anterior side elevation view that is equipped with the Work machine of shovel board;

Fig. 2 is the back perspective view of the assembling shovel board in its expanded position;

Fig. 3 is the back perspective view of the assembling shovel board in its folding position;

Fig. 4 is the front elevation drawing of the major part of shovel board;

Fig. 5 is the end-view of major part of the shovel board of Fig. 4;

Fig. 6 is the other end view of major part of the shovel board of Figure 4 and 5;

Fig. 7 is the phantom drawing of the part of major part, shows the slide connector in latched position;

Fig. 8 is the phantom drawing of the slide connector of Fig. 7, is shown as here in its unlocked position;

Fig. 9 is the back perspective view of the smaller portions of shovel board;

Figure 10 is the end-view of the smaller portions of Fig. 9;

Figure 11 is the plan view that shows the Work machine of the shovel board in operating position;

Figure 12 is the plan view that shows the Work machine of the shovel board in part transporting position; With

Figure 13 is the plan view that shows the Work machine of the shovel board in complete transporting position.

The specific embodiment

Fig. 1 shows the Work machine 10 that is commonly referred to caterpillar tractor or bulldozer.Enging cabin 13 above of the chassis 11, operator's driver's cabin 12 that Work machine 10 comprises supporting operator driver's cabin 12 and by motor driven and be used for a pair of ground engagement crawler belt 14 of promotion machine 10.Work machine 10 also can be furnished with and be arranged on enging cabin 13 above and be bearing in the shovel board 40 on chassis 11.This Work machine 10 is known in field, therefore do not need here it further to be explained, and shovel board 40 and controlling organization thereof will be described in greater detail below.

In the front portion of Work machine 10, can be provided for supporting the framework 16 of the roughly U-shaped of shovel board 40.Framework 16 can comprise be provided with the mid portion 17 of bearing post 18 and extend back and have around common axis X(hereinafter referred to promoting axis X from mid portion 17) be pivoted to the first branch and second branch 19 of free end 20 of the opposite side on chassis 11.Each branch 19 can be provided with the bar 23 uprightly partwaying along its length and the lift cylinder (lifting ram) 24 that can extend between the free end of each bar 23 and the respective side on chassis 11.Lift cylinder can be connected to the side on corresponding bar 23 and chassis 11 to allow the motion that is pivoted relative to each other of these parts.In addition the mode that, lift cylinder 24 can be unified (or independent) is hydraulically controlled to cause framework 16 and therefore causes that shovel board 40 reduces when lift cylinder extends, lifting when lift cylinder shrinks.

The mid portion 17 of framework 16 can be provided with supporting connector 25, and by supporting connector 25, shovel board 40 can be bearing in also can be with respect to its pivotable on framework 16.Supporting connector 25 can comprise be configured to shovel board 40 and see Fig. 2 around angle axis Y() pivot connector of pivoting action, angle axis Y be substantially normal to promote axis X and framework 16 can be from Work machine 10 outstanding branch 19 forward.In the embodiment shown, supporting connector 25 comprises and is also referred to as the spherical bearing of spherojoint and can comprises from framework 16 and extending forward for being bonded on the sphere member (not shown) in the pod (not shown) arranging towards the bottom of shovel board 40.

The first extensible arm 31 and the second extensible arm 32(be hydraulic jack for example) can be set to control shovel board 40 around the pivoting action of angle axis Y.The first extensible arm 31 can have an end that is connected to the first branch 19 and the other end that is connected to the slide connector 100 being arranged in shovel board 40, and the second extensible arm 32 can have an end that is connected to the second branch 19 and the other end that is connected to the pivot connector 130 being arranged in shovel board 40.The end of

extensible arm

31,32 can be connected to its corresponding component by spherical calotte bearing (not shown), for example, can realize spherojoint or the ball joint of the remarkable joint motions between these parts.

Bearing post 18 can welding, bolt or is otherwise rigidly secured to the mid portion 17 of framework 16.Bearing post 18 can be provided with stacked 3 of separating and give prominence to 27 towards front, and is provided with for holding the coaxial aperture (not shown) of fulcrum post 28.The top of bearing post 18 can be provided with rigidity link gear 29, and it can be connected to the top of shovel board 40, and its adjustable in length is to change the pitching of shovel board 40.

For example the tilt actuators 34 of hydraulic jack can be constructed to control shovel board around basic tilt axis Z(Fig. 2 with promoting axis X and angle axis Y quadrature) pivoting action.Tilt actuators can have pivotable and be connected to end of fulcrum post 28 and the other end that pivotable is connected to the inclination connector 40 being arranged in shovel board 40.These link gears are below being described in detail with reference to a plurality of features of shovel board.

Shovel board 40 is rectangle normally, and can comprise and interconnect pivotally to allow shovel board 40 to be arranged in major part 50 and the smaller portions 150 of expanded position (Fig. 2) or folding position (Fig. 3).

With reference now to Fig. 2 to 6,, major part 50 can comprise the restriction main substrate of curved tabs 51 forms of 52 and 53 steel or other suitable materials above below.Top, centre and

bottom stiffener

54,55,56 can be installed to the rear surface 53 of curved tabs 51, its can comprise general rectangular pedestal 54A, 55A, 56A and from pedestal extend to be forward attached to next 53 inferior division 54B, 54C, 55B, 55C, 56B, 56C.Pedestal 54A, 55A, 56A can roughly be positioned on same level, therefore, the 54B of branch, 54C, 55B, 55C, 56B, 56C can have different depth with contact curved tabs 51 bending after 53.Middle stiffener 55 can be arranged in the about middle between the upper

lower limb

57,58 of curved tabs 51, and can extend to from the outboard end 59 of major part 50 medial extremity 60 of major part 50.

Bottom stiffener 56 can be arranged and extend to about 3/4 the point along 53 distance below from outboard end 59 towards the lower limb 58 of curved tabs 51.The inferior division 56C of this stiffener can be downward-sloping to limit below shovel board 40 acclive 44 from pedestal 56A.Be positioned at 3/4ths lines (three-quarter line) 62(Fig. 2) the end of lower stiffener 56 can cover by 53 lower flanges that extend back 63 below from curved tabs 51.Have than the slightly heavy in section foot passage member 65 of bottom stiffener 56 and can between the opposite side of lower flange 63 and the medial extremity 60 of twisted plate 51, extend.

Top stiffener 54 can be arranged near the top edge 57 of twisted plate 51, and is similar to bottom stiffener 56, and it also extends between outboard end 59 and 3/4ths lines 62, and it can be covered by upper flange 66 herein.Top passageway member 67 can be aimed at top stiffener 54 and be arranged to extend between the medial extremity 60 of curved tabs 51 and upper flange 66.Top stiffener 54 can be formed by two sections, and pitch control subsystem assembly 69 can be arranged in below on 53, between this two section of major part 50.It in major part 50 is position in the middle along whole shovel board 40 when it when expanded position (Fig. 2) substantially that pitch control subsystem assembly 69 can be arranged in.In addition, pitch control subsystem assembly 69 can comprise shell 70, and shell comprises from the upright opposing sidewalls 72 of the 55B of top set of middle stiffener 55, is bearing in the cover 71 sidewall 72 and between sidewall, extends and carry two supports 73 of connecting pin 74.Pin 74 can be suitable for being connected to rigidity link gear 29(Fig. 1) to control the pitching of shovel board 40.

Top passageway member 67 and foot passage member 65 can be very similar, and they can have many common characteristics and can have similar size.Opening 76 can be arranged on pedestal 67A, the 65A of each

channel component

67,65 in the end adjacent with

respective flanges

66,63, and each opening 76 can be substantially square, and its size is at least equally wide with pedestal 67A, 65A.Towards the other end of each pedestal 67A, 65A, adjacent with the medial extremity 60 of curved tabs 51, can arrange and be positioned at the elongated hole 77 that keeps up and down flange 78 sides.Keep up and down flange 78 to can be triangle substantially, and can comprise the coaxial aperture (not shown) that is suitable for receiving retaining pin 79.

The upper inferior division 67B of top passageway member 67 and foot passage member 65,67C, 65B, 65C also can be provided with coaxial boring (not shown), to receive pivotal pin 81.Boring can be positioned on the end adjacent with upper

lower flange

66,63 of the 67B of branch, 67C, 65B, 65C, and pivotal pin can be approached by its corresponding opening 76.Each pivotal pin 81 can be roughly cylindrical, and can locate to have in one of its end annular recess (not shown), make the annular recess of pivotal pin 81 can be positioned on top passageway member 67 the 67B of top set directly over, and the annular recess of lower pivotal pin 81 can be positioned on foot passage member 65 inferior division 65B under.Pivotal pin 81 can be provided with the retaining clip 82 that can be fastened to correlated branch 67B, 65C and can be positioned at relevant annular recess.In the embodiment shown, each retaining clip 82 is flat substantially, and is pyriform substantially, and small end is comprised for receiving the ， great end, hole of the securing member that can be fixed to branch can be opened, and makes it can be positioned at the annular recess of pin 81.The interior joint of large end and annular recess can prevent the motion to axial of pivotal pin 81 and

respective channel member

67,65 thereof.

The outboard end 59 of major part 50 can be covered by outer panel 85, and the medial extremity 60 of major part 50 can be covered by interior plate 86, and interior plate 86 can be arranged to not the end around top and foot passage member 67,65.In addition, curved tabs 51 can comprise with the 67B of branch, the 67C of top and

foot passage member

67,65, the respective channel 84 of 65B, 65C restriction is aimed at the substantially parallel upper lower cut 87 of arranging.Space between any two

adjacent stiffeners

54,55,56 and

channel component

65,67 can be roughly arranged in the elongated face plate 88 of pedestal 54A, 55A, 56A, 65A, plane that 67A is identical around.Like this, pedestal and elongated face plate 88 can limit the rear surface 89 of major part 50 jointly, and a plurality of connectors 100,130,140 can be installed to this rear surface.

The pod shell 90 of supporting connector 25 can arrange towards the bottom of the rear surface 89 of major part 50, directly below pitch control subsystem assembly 69, with along launching in the middle of shovel board 40 is positioned at.Shell 90 can comprise welding or otherwise be fixed to the pedestal 91 of rear surface 89, from pedestal 91, extends back to limit the annular wall 92 of chamber (not shown) and the ring cover 93 that part is surrounded chamber.Ring cover can removably be installed to cylindrical wall 92 in position by bolt 94 or other suitable securing members.Chamber and ring cover 93 can limit the pod (not shown) that is configured to receive the spherical calotte member (not shown) on the mid portion 17 that is arranged on framework 16.Pod and spherical calotte member can be defined for the spherojoint that shovel board 40 is connected to Work machine 10, and this spherojoint supports the shovel board weight of vast scale in the relative joint motions that allow shovel board 40 and Work machine 10.

Between top and

foot passage member

67,65, can be provided for shovel board 40 to be installed to the slide connector 100 of the first extensible arm 31 extending forward from framework 16.With particular reference to Fig. 7 and 8, slide connector 100 can comprise the pedestal 101 of the rear surface 89 that is fixed to major part 50 and be arranged on the stacked pair of sliding flange 102 on pedestal 101.The boring (not shown) of sharing common axis can form to receive sliding pin 103 through slip flange 102.Sliding pin 103 can be similar with pivotal pin 81 recited above, because can comprise annular recess (not shown) near end 104 thereon, to receive the leg 105 of the retaining clip 106 that leans against and be fastened to slip flange 102.Alternatively, the unitary part that slip flange 102 and sliding pin 103 can be cast or otherwise form individual unit or weld together.Pedestal 101 also can comprise slide lock device, may be the form with the locking slip flange 108 of boring of connecting 109.Boring 109 can have the axis of the axis that is basically parallel to sliding pin 103.

Slide connector 100 also can comprise be arranged to the bracket 110 that slides with respect to pedestal 101 between latched position (Fig. 7) and unlocked position (Fig. 8), and it is suitable for being positioned at slidably and slides up and down between flange 102.For example, bracket 110 can comprise a pair of flat member 111 substantially, and their stacked arrangement are also spaced apart by extensible arm linkage.Bracket 110 can machine, casting or is otherwise formed individual unit, or alternately comprises the assembly of some parts.In the present example, arm linkage can comprise the extensible arm connecting pin 112 that is arranged to extend past the coaxial boring (not shown) being limited in lower member 111.For example, extensible arm connecting pin 112 can comprise core and the less end sections 113 of diameter, and end sections limits upper and lower shoulder (not shown), and upper lower member 111 can support to keep separating with setpoint distance against upper and lower shoulder respectively.The end sections 113 that diameter is less can include the annular recess (not shown) that can the mode identical with above-mentioned retaining clip be fastened to the retaining clip 114 of respective members 111 for receiving.

Extensible arm connecting pin 112 can be arranged to be positioned in the eye (not shown) on the end 115 that is limited to the first extensible arm 31, to realize the motion that is pivoted relative to each other between these parts.In this layout, extensible arm connecting pin 112 is equipped with axle collar (not shown), and it has and protrudes side face to limit the spherical calotte member being connected with the spherical calotte pod being arranged in the end 115 of the first extensible arm 31.Like this, slide connector 100 can be connected by the spherical bearing of for example spherojoint or ball joint with the first extensible arm 31.

In a side of extensible arm connecting pin 112, the member 111 of bracket 110 can be provided with relative elongated open 117, and sliding pin 113 can be through elongated open location.Like this, the relative translation campaign of bracket 110 and pedestal 101 can cause sliding pin to move between latched position (Fig. 7) and unlocked position (Fig. 8), in latched position, sliding pin can be positioned at the right-hand member of elongated open 117, at unlocked position, sliding pin 103 can be shifted from right-hand member, and is likely positioned at the left end of elongated open 117.At the opposite side of extensible arm connecting pin 112, bracket 110 can be provided with locking sliding eye 118, and when bracket 110 is during in its latched position, locking sliding eye can be aimed at the boring 109 of sliding of the locking in locking slip flange 108.Bracket 110 can pass through locking sliding eye 118 by insertion and be fixed on its latched position and pass through retaining clip 120 fastening in place with the locking sliding pin 119 that locks the boring 109 of sliding.

Refer again to Fig. 3, on the opposite side of major part 50, can be provided for second extensible arm 32(Fig. 1) be fixed to the pivot connector 130 of shovel board 40.This pivot connector 130 can comprise welding or otherwise be fixed to next 89 pivotable pedestal 131, a pair of pivot flange 132 extending back from pivotable pedestal 131 and extend past the pivotal pin 133 of the hole (not shown) these pivot flange 132.Pivotal pin 133 can be positioned on the extensible arm connecting pin 112 of bracket 110 similarly highly also can have the axis of the axis that is roughly parallel to this extensible arm connecting pin 112.Similarly, pivotal pin 133 can be configured to receive axle collar (not shown), it has the side face of protrusion to be defined for the spherical calotte member cooperating with the spherical calotte pod (not shown) being arranged on the second extensible arm 132, to form spherojoint or ball joint.

Pivotable pedestal 131 also can be provided with for shovel board 40 being connected to tilt actuators 34(Fig. 1) inclination connector 140.Inclination connector 140 can be positioned on pivot flange 132 tops of pivot connector 130 and can comprise upper and lower inclined flange 141, upper and lower inclined flange can be defined for the angling hole (not shown) receiving by retaining clip (not shown) angled pin 142 in position, with above-described similar.

Turn to now the smaller portions 150 of shovel board 40, it is best shown in Fig. 9 and Figure 10, it can have with above-described major part 50 similarly constructs, it can comprise the less anter 151 of bending with rear surface 152, and spaced top, centre and foot passage member 154,155,156 can be installed to rear surface.Equally, these channel components can have pedestal 154A, 155A, 156A and the end welding that is substantially arranged in common plane or the different 154B of branch, 154C, 155B, 155C, 156B, the 156C of length that is otherwise fixed to the rear surface 152 of less anter 151.Channel component 154,155,156 can be arranged on rear surface 152 to extend between the outboard end 158 in smaller portions 150 and the medial extremity 159 of smaller portions 150.

In the embodiment shown, thus top and foot passage member 154,156 are significantly longer than center-aisle member 155 and are therefore extensiblely surpassed top and the bottom arm 160,161 that medial extremity 159 limits the major part 50 that can be attached to shovel board 40.Top and bottom arm 160,161 can have with stiffener 54, the 56 essentially identical cross sections of major part 50 also can further comprise arm pivoting hole 163 at its free end, and these pivoting holes may have the common axis that possibility is extended perpendicular to the length of arm 160,161.Like this, upper underarm 160,161 can be arranged in top and

foot passage member

67,65 and make the extensible pivoting hole 63 through

second channel member

67,65 and arm 160,161 of arm pivotal pin 81, to allow smaller portions 150 and major part 50 around the motion that is pivoted relative to each other of the common axis of pivotal pin 81.

Shown layout is provided with lubricating system, to improve the lubricity of arm 160,161 and channel component 67,65.Especially, tubular element 165 can and can limit the cylindricality boring 166 that size can receive the corresponding pivotal pin 81 that extends past related

channel program member

67,65 through pivoting

hole

67,65 location in each arm 160,161.Each tubular element 165 can weld or otherwise be fixed to its corresponding arm 160,161 and be provided with lubricated port one 67, and for example lubrication oil can be transferred to the radially jewel hole of cylindricality boring 166.Each lubrication oil port 167 can be near the free end location of its arm 160,161, and easily to approach when shovel board 40 is arranged in its folding position, and the end of arm 160,161 exposes through opening 76, as shown in FIG. 7 and 8.

The arm that can be provided with below of the pedestal of each arm 160,161 keeps flange 168, and arm keeps flange to be provided with arm and keeps boring 169.Each arm keeps flange 168 to can be positioned on the end of close smaller portions 150 of arm and its size can be arranged in shovel board 40 when its expanded position (Fig. 2), through the respective fine slotted hole 77 being limited in pedestal 67A, the 65A of top and

foot passage member

67,65, locates.Shovel board can be by retaining pin 79 location are remained on to its expanded position through maintenance boring 169, to suppress the relative motion between smaller portions 150 and major part 50.

The end of the 154B of branch, 154C, 156B, 156C limits above opening arm 160,161, and it can be provided with the similar material of less and main

curved tabs

151,51 and make and be sized to be with 170 the interior formation of otch 87 is close-fitting in shovel board 40 during in expanded position.Panel 173 also can be arranged between pedestal 154A, 155A, the 156A of top, centre and foot passage member 154,155,156 to aim at the corresponding elongated face plate 88 being arranged in major part 50.End cap 174,175 can be arranged to respectively around medial extremity 159 and outboard end 158.The end cap 174 at medial extremity 159 places can be angled to supplement the angled interior plate 86 of the medial extremity 60 of major part 50 with respect to rear surface.

Industrial applicibility

Tilt actuators 34, lift cylinder 24 and

extensible arm

31,32 can be connected to the hydraulic circuit (not shown) that comprises hydraulic pump and various valves.Valve can or be arranged on other suitable apparatus electricity in operator's driver's cabin 12 or hydraulically control by control stick, switch.In use, operator can control instrument with the position of control valve, valve can cause that tilt actuators 34, lift cylinder 24 or

extensible arm

31,32 shrink or extend then, thus according to the position that need to handle shovel board 40 of carrying out of task.More specifically, shovel board 40 can tilt around z axis, angled or promote and pitching around X-axis line around Y-axis line.

In order to meet transport law, the shovel board 40 shown in Figure 11 can be before transportation reconstruct therefore to guarantee its outboard end 59,158 and can not extend beyond the width of ground engagement crawler belt 14 and to increase the overall width of Work machine 10.The first step of this restructuring procedure is that shovel board 40 is arranged in to the folding position shown in Fig. 3 and 12.First this can be by keeping flange 168 and channel component to keep the boring flange 78 to remove to realize from arm retaining pin 79.Then, smaller portions 150 are along with arm 160,161 swings forward and exposes from its otch 87 from major part 50 around its pivotal pin 81 pivotables.This rear process can be manually or by by shovel board 40 around z axis tilt to raise smaller portions and then by shovel board 40 around Y and the quick drift angle of z axis with tilt to cause smaller portions 150 reduce and travel forward to realize.The momentum of smaller portions 150 can make it when the inclination of shovel board 40 and drift angle motion cut, swing forward.Shovel board 40 can be attached to arm on upper arm 160 and keeps flange 168, the other end extend past the elongated hole 77 in the second channel member of top and keep the maintenance pillar (not shown) between flange 78 to be fixed on its folding position at two by being arranged to one end.

Next step can then be removed locking sliding pin 119 from slide connector 100, make 110, bracket be fixed to shovel board 40 by sliding pin 103.Then, the first extensible arm is collapsible, and the second extensible arm is extensible to cause shovel board around the counterclockwise pivotable of Y-axis line.Once the first extensible arm 31 shrinks completely, shovel board 40 is taked the position shown in Figure 12.In order to complete restructuring procedure, the second extensible arm can further extend to cause shovel board 40 in the counterclockwise direction around the further pivotable of Y-axis line.Along with the part that is equipped with slide connector 100 of shovel board 40 is further moved towards Work machine 10, it promotes bracket 110 and therefore promotes the first extensible arm 31 towards bearing post 18, cause thus sliding pin 103 along elongated hole 117, to drive when slide connector 100 moves between its latched position and unlocked position, as shown in figure 13.

Although described the preferred embodiment of the present invention here, can comprise and improve and revise and do not depart from the scope of claim.

Claims

1. for shovel board being connected to a connector for the extensible arm of Work machine, described connector comprises: first, and it can be attached to described shovel board and have the first coupling device; Second portion, it can be attached to described extensible arm and have the second coupling device, and the second coupling device is arranged to cooperate to allow the relative translation campaign between latched position and unlocked position of first and second portion with the first coupling device; And locking device, it can optionally operate to limit first and the relative motion of second portion when its latched position.

2. connector according to claim 1, wherein, one in the first coupling device and the second coupling device limits elongated open, another in the first coupling device and the second coupling device limits abutment, and this abutment is arranged in described elongated open and arranges for along described elongated open translational motion.

3. connector according to claim 2, wherein, described the first coupling device and the second coupling device can make at described first and second portion during in its latched position, and described abutment is arranged in an end of described elongated open.

4. according to the connector described in aforementioned arbitrary claim, wherein, described second portion comprises for described second portion being connected to described extensible arm and for allowing the arm attachment arrangement of the motion that is pivoted relative to each other of described second portion and described extensible arm.

5. connector according to claim 4, wherein, described arm attachment arrangement comprises in the spherical calotte member that is arranged on described second portion and pod, for be arranged on spherical calotte member on described extensible arm and pod another cooperate.

6. according to the connector described in claim 4 or 5, wherein, described second portion comprises upper member and the lower member being arranged opposite to each other, and arm attachment arrangement is arranged between upper member and lower member, and described the second bonding part is arranged on upper member and lower member and limits described elongated hole.

7. according to the connector described in aforementioned any one claim, wherein, described first comprises and can be installed to pedestal, at least one flange extending from pedestal of shovel board and be arranged on described the first coupling device flange.

8. according to the connector claimed in claim 7 that is subordinated to claim 2 or 3, wherein, upper flange and lower flange comprise from described pedestal extension and described the first coupling device the described abutment being arranged on described upper flange and lower flange.

9. according to the connector described in claim 6 and 8, wherein, described upper member and lower member separate setpoint distance to be positioned between upper flange and lower flange, and the abutment being arranged on these flanges extends past the elongated open in described member.

10. according to the connector described in aforementioned any one claim, wherein, described locking device comprises the lock(ing) bolt that can cooperate with the locking keeper being arranged on first and second portion.

11. according to the connector claimed in claim 10 that is subordinated to claim 6 and 7, wherein, described locking keeper comprises the first hole of being limited in the lock flange being arranged on pedestal and is limited to the second hole at least one of upper member and lower member, and described the first hole and the second hole can aim to receive at first and second portion described lock(ing) bolt during in its latched position.

12. according to the connector being subordinated to described in the claim 11 of claim 6, wherein, described lock flange is arranged to be positioned between upper member and lower member and limits contact surface, at least at first and second portion during in its latched position, the medial surface of these members is against contact surface.

13. 1 kinds of shovel boards for Work machine, described shovel board comprises: as described in aforementioned any one claim for being attached to the slidably connector of the first extensible arm of Work machine; With for being attached to the pivot connector of the second extensible arm of Work machine, described pivot connector can be in use convenient to being pivoted relative to each other of described shovel board and described the second extensible arm.

14. 1 kinds of Work machines, comprising: shovel board as claimed in claim 13; Have and be connected to the medial extremity of Work machine and be connected to slidably the first extensible arm of the outboard end of connector; With there is the medial extremity that is connected to Work machine and the second extensible arm that is connected to the outboard end of pivot connector.

15. 1 kinds of preparation machines are used for the method for transporting, and described Work machine comprises:

Slide connector is arranged in to unlocked state, to allow the relative translation campaign between first and second portion; Shrink the first extensible arm simultaneously and extend the second extensible arm to cause that shovel board is with respect to Work machine pivotable; And shrink completely once the first extensible arm, continue to extend the second extensible arm with further pivotable shovel board, promote thus the first extensible arm and move to its unlocked position towards inwardly move Bing Shi first and second portion of pivot connector.