CN1188065A

CN1188065A - Loader

Info

Publication number: CN1188065A
Application number: CN97116749A
Authority: CN
Inventors: 郑俊模
Original assignee: Three And Machinery Corp
Current assignee: Three And Machinery Corp
Priority date: 1997-01-13
Filing date: 1997-08-13
Publication date: 1998-07-22

Abstract

A loader with a swing device and/or a forebody manipulation device. The present invention also provides a forebody or back body loader pivotal device, which can ensure that the loader would not overturned when moving on uneven ground. Also provided is an annex which can selectively install a loading device or an excavation device into the loader. According to the prefered embodiment of the present invention, the loader is in particular applied to agricultural field where a very low load is required.

Description

Loader

The present invention relates to a kind of loader, relate in particular to a kind of loader that has pivoted arm slewing arrangement and/or forebody operating control.The present invention also relates to the loader of fuselage pivoting device before and after a kind of having, this device makes loader travel to be unlikely to overturning on uneven ground.The invention still further relates to a kind of loader that is used for makes it not only can make charger but also can make the annex of excavating machine.Loader is particularly useful for the agriculture field of the relative underload of requirement according to the preferred embodiment of the invention.

The loader that uses in the building industry it will lift its material containing as soil, sand or stone after, unloads them in truck or transports to another place.

Similar loader has a pivoted arm in the prior art, and it can only move up and down.During for the equipment that is rotatably installed in pivoted arm outer end left side or right side such as hopper, must rotate whole loader by pilot wheel.Because whole loader change of direction, this will increase the work load of chaufeur but also bring unnecessary consumption of fuel.In addition, the normally used excavating machine of prior art, when its pivoted arm rotated, operator's compartment was also along with rotating together.No matter when pivoted arm and operator's compartment rotate, and operator or chaufeur also will rotate, so the operator is easy to fatigue.In addition, it is very favourable to loader that a less radius of gyration is arranged, and like this, can use loader in less space such as storehouse.

In addition, when loader during, exist the danger of loader overturning at uneven ground motion.

At last, although stronger needs are arranged, do not have function as excavating machine by the loader of prior art at agriculture field.

Therefore, the purpose of this invention is to provide a kind of loader that has the pivoted arm slewing arrangement, this device can make loader use effectively in narrower space and reduce the fatigue of operating personal in operating process.

Another object of the present invention provides a kind of forebody operating control that has to reduce the loader of loader radius of turn.

The present invention also has the another one purpose to provide a kind of loader that has front or rear fuselage pivoting device, and this device is unlikely to overturning when loader is moved on uneven ground.

The present invention more further purpose provide a kind of annex that makes loader not only can be used as loader but also can be used as excavating machine, here, can optionally a loading attachment or an excavating gear be attached on the annex.

According to an aspect of the present invention, a kind of loader that has the pivoted arm slewing arrangement that is used to rotate pivoted arm is provided, this loader has one to be installed in the equipment that is positioned at loader machine pivoted arm outer end on one's body, this pivoted arm slewing arrangement comprises a swinging strut, be connected with swinging strut with pivot with an end of pivoted arm bonded assembly jib cylinder, be connected with swinging strut with pivot with an end of equipment bonded assembly pivoted arm; Ring gear connects mutually with the bottom side of swinging strut and is supporting swinging strut, and Ring gear supporting by the forebody of loader, and Ring gear can rotate on the forebody of loader; And motor that has the driven wheel that is meshed with Ring gear with the driving ring generating gear.

According to a further aspect in the invention, provide a kind of forebody operating control that has to reduce the loader of loader radius of turn, this forebody operating control comprises a forebody; A rear body that is separated with forebody and forms; The trunnion that forebody and rear body are coupled together pivotly; And a pair of steering cylinder, their end links to each other with rear body, and the other end links to each other with forebody, and described a pair of steering cylinder is placed in the left side and the right side of trunnion respectively.

According to an other aspect of the present invention, for loader provides a kind of annex, be used for selectively a loading attachment and an excavating gear being installed to loader, described loading attachment has a mounting bracket, be formed with hook portion and the lockhole that is positioned at the hook portion bottom in the above, described excavating gear has an adapter plate, be formed with several first screws on it, adapter plate is attached to the upper end of dipper stick, annex comprises a framework, with corresponding several second screws of several first screws that are formed on the framework front side, a projection that is formed on its each side that is used for catching on hook portion, and a corresponding pilot hole that is formed on the projection bottom with lockhole; One has and the framework rear side blocking device of bonded assembly bar pivotly, pair of links, their end is connected with the pivot of bar with downside at the upside of pivot center respectively, does cw and pivots with C.C.W. and pass in and out pilot hole and the lock hole that becomes a line with pilot hole along with bar with regard to the other end that makes each connecting rod like this.

From the accompanying drawing of the following detailed and the demonstration preferred embodiment of the present invention, feature of the present invention will be understood more fully.

Figure 1A is the block diagram of loader according to the preferred embodiment of the invention;

Figure 1B is the lateral plan that has the loader of pivoted arm slewing arrangement and forebody operating control according to the preferred embodiment of the invention;

Fig. 1 C is the block diagram of pivoted arm slewing arrangement shown in Figure 1;

Fig. 2 is the planar view of Fig. 1 transfer arm rotation unit when a direction is rotated;

Fig. 3 illustrates the radius of turn of loader according to the preferred embodiment of the invention;

Fig. 4 is the planar view that has the loader of front or rear fuselage pivoting device according to the preferred embodiment of the invention;

Fig. 5 is the exploded perspective view of the front or rear fuselage pivoting device among Fig. 4;

Fig. 6 is the back view that has the loader of front or rear fuselage pivoting device according to a preferred embodiment of the invention, and wherein the loader trailing wheel is just by an obstacle;

Fig. 7 is an annex according to a preferred embodiment of the invention, is used for optionally being installed to a loading attachment or an excavating gear on the loader;

Fig. 8 is an annex back view shown in Figure 7; And

Fig. 9 is one excavating gear is installed to the block diagram that annex shown in Figure 7 gets on.

Fig. 1 has represented loader according to the preferred embodiment of the invention substantially, and Figure 1A has represented to have according to the preferred embodiment of the present invention lateral plan of the loader 100 of pivoted arm slewing arrangement and forebody operating control.The pivoted arm slewing arrangement comprises swinging strut 20, Ring gear 22 and the motor 26 that has driven wheel 24.One end of jib cylinder 14 connects with swinging strut 20 mutually by pivot, and the other end of jib cylinder 14 connects mutually with pivoted arm 12.One end of pivoted arm 12 connects with swinging strut 20 mutually by pivot, and the other end of pivoted arm 12 and a loading attachment or an equipment 30 link.Ring gear 22 connects mutually with the downside of swinging strut 20 and is supporting swinging strut 20, is supporting and Ring gear 22 is forebodys 10 by loader 100.Ring gear 22 can rotate (referring to Fig. 1 C) around the center shaft 22a above the forebody 10 of loader 100.The driven wheel 24 of motor 26 is meshed with driving ring generating gear 22 with Ring gear 22.Therefore, as shown in Figure 2, when driven wheel 24 cws or left-hand revolution, swinging strut 20 also rotates to the left or to the right, wherein has only rotation on the swinging strut 20 mmi machine bodies 10, and the invariant position of chaufeur.

Referring again to Figure 1A, the forebody operating control comprises a forebody 10; The rear body 10a that is separated and forms with forebody 10; The trunnion 21 that forebody 10 and rear body 10a are tied pivotly; And a pair of steering cylinder 23.One end of each steering cylinder 23 is connected with forebody 10, and the other end is connected with rear body 10a.Each steering cylinder 23 is placed in the left side and the right side of trunnion 21 respectively.

Fig. 3 illustrates the quite short radius of turn " R " of loader according to the preferred embodiment of the invention, and like this, loader can rotate in a quite narrow space.

Fuselage pivoting device before or after Fig. 4 and Fig. 5 illustrate according to the preferred embodiment of the invention.Pivoting device is an attaching parts 25 that has a pivot 27 and a locking component 29.Pivot 27 can pivot in the hole on being formed on rear body 10a 31.Attaching parts 25 can connect with forebody 10 pivotly mutually by trunnion 21.Locking component 29 remains on pivot 27 in the hole 31.

As shown in Figure 6, when a trailing wheel 13 of loader 100 passed through an obstacle 71, rear body 10a can rotate around pivot 27.Can prevent the loader overturning like this and prevent that the Loaded goods in loading attachment or equipment 30 from pouring out.

Now referring to Fig. 7, represented that one is used for loading attachment 30 and excavating gear 30a optionally are installed to annex 120 on the loader.Annex 120 can make loading attachment 30 and excavating gear 30a optionally be installed on the loader.Loading attachment has a mounting bracket 38, and this support has formation hook portion 32 and lockhole 36 that is formed on the hook portion downside thereon.Excavating gear 30a has an adapter plate 64, and this plate has several formation several first screws 65 (referring to Fig. 9) thereon, and wherein, adapter plate 64 can be installed to the upper end of dipper stick 62.Shown in Fig. 7 and 8, annex 120 comprises that 40, one of frameworks have the blocking device of the bar 50 that is connected with framework 40 rear sides by pivot; And pair of links 54.Be formed on the front side of framework 40 with several first screw, 65 corresponding several second screws 42 on the excavating gear 30a.Projection 44 is formed on each side of framework 40 so that catch on hook portion on the loading attachment 30.In addition, with loading attachment 30 on lock hole 36 corresponding pilot holes 46 be formed on the bottom of projection 44.One end of each connecting rod 54 is connected with the pivot 52 of bar 50 with downside at the upside of pivot center respectively, make cw and C.C.W. pivoted with regard to the other end that makes each connecting rod along with bar 50 like this and pass in and out pilot hole 46 on the framework 40 and the lock hole 36 on the mounting bracket 38 so that be locked in loading attachment 30 on the framework 40 or unclamp.Annex also comprises bias piece 56, and an end of bias piece connects mutually with an end of bar 50, and the other end connects mutually with framework.

For loading attachment 30 is installed on the annex 120, at first, hook 32 is hung on the projection 44 of framework 40 (referring to Fig. 7).Bar 50 changes and advances pilot hole 46, so the other end of connecting rod 54 and lock hole 36 do not hinder mutually.Then, pilot hole 46 becomes a line with lock hole 36 along same center, in this state, unclamps by bias piece 56 barres 50, the other end that orders about each linkage component 54 insert pilot hole 46 with the lock hole 36 of 46 one-tenth lines of pilot hole.

As shown in Figure 9, for excavating gear is installed, loading attachment 30 to be unloaded down from annex 120 in reverse order, first screw 65 of excavating gear 30a aligns with second screw 42 of annex 120, then, with several bolts 68 first screw 65 and second screw 42 tightly are fixed up.At last, according to known prior art, any independent fluid line (not shown) of supply hopper oil cylinder is linked up.

Should be appreciated that foregoing description is the explanation to the preferred embodiment of the present invention.Without departing from the invention, those skilled in the art can make different replacements or modification.Therefore, the present invention has covered all such substitution or modification in people's accompanying Claim scope that falls.

Claims

1. loader that has the pivoted arm slewing arrangement that is used to rotate pivoted arm, this loader has an equipment that is attached to the pivoted arm outer end on the loader fuselage, and this pivoted arm slewing arrangement comprises:

A swinging strut is connected with swinging strut by pivot with an end of pivoted arm bonded assembly jib cylinder, is connected with swinging strut by pivot with an end of equipment bonded assembly pivoted arm;

A Ring gear that connects mutually with the swinging strut downside, it is supporting swinging strut, and Ring gear supporting by the forebody of loader, this Ring gear can rotate on the forebody of loader; And

A motor that has the driven wheel that is meshed with Ring gear with the driving ring generating gear.

2. loader that has the forebody operating control with the radius of turn that reduces loader, this forebody operating control comprises:

A forebody;

A rear body that separates mutually with forebody and form;

The trunnion that forebody and rear body are coupled together pivotly; And

A pair of one end is connected to forebody, and its other end is connected to the steering cylinder of rear body, and described a pair of steering cylinder is placed in the left side and the right side of trunnion respectively.

3. loader as claimed in claim 2 is characterized in that, also comprise one at any one wheel when the scraggly obstacle, the pivoting device that forebody or rear body can be rotated around pivot axis.

4. loader as claimed in claim 3 is characterized in that described pivoting device is a connection piece, and it has a pivot that rotates around pivot axis at a Kong Like who is formed on the rear body, and described attaching parts is connected with forebody pivotly by trunnion; And

One remains on locking component in the hole with pivot.

One kind be used for loader selectively a loading attachment and excavating gear are installed to annex on the loader, described loading attachment has a mounting bracket, this support has formation hook portion and lock hole that is formed on the hook portion downside thereon, described excavating gear has an adapter plate, this plate has several upper ends that are formed on first screw on the tool and are installed to dipper stick, and described annex comprises:

A framework is formed with and corresponding several second screws of several first screws in the framework front side, is formed with the projection that is used for catching on hook portion on each side of framework, and be formed on the projection bottom with the corresponding pilot hole of lock hole; And

One has and the framework rear side blocking device of bonded assembly bar pivotly, pair of links, one end of each connecting rod is connected with the pivot of bar with downside at the upside of pivot center respectively, like this with regard to the other end that makes each connecting rod along with bar do cw or C.C.W. pivot and pass in and out pilot hole and with the lock hole of pilot hole being aligned.

6. the annex that is used for loader as claimed in claim 5 is characterized in that, it also comprises a bias piece, and an end of this bias piece is connected with an end of bar, and its other end is connected with framework.