CN104499517B - Tractor Installed Rotatable Arm - Google Patents
Tractor Installed Rotatable Arm Download PDFInfo
- Publication number
- CN104499517B CN104499517B CN201410643274.2A CN201410643274A CN104499517B CN 104499517 B CN104499517 B CN 104499517B CN 201410643274 A CN201410643274 A CN 201410643274A CN 104499517 B CN104499517 B CN 104499517B
- Authority
- CN
- China
- Prior art keywords
- arm
- articulated jib
- tractor
- rotary shaft
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/301—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
- E02F3/382—Connections to the frame; Supports for booms or arms
- E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
Abstract
The present invention provides a tractor with a rotatable articulated arm in which a rotating shaft is installed around a driver cab of the tractor, and the articulated arm is coupled to the rotating shaft so that the articulated arm can rotate around the rotating shaft within as large an angular range as possible, whereby an operating radius and working efficiency of an operating implement mounted to an end of the articulated arm can be markedly improved. In the present invention, the driver cab which is provided with a driver seat is disposed on a body frame at a position displaced to one side from a central portion of the body frame. The rotating shaft is installed around the driver cab. The articulated arm is installed on the rotating shaft so that the articulated arm can rotate around the rotating shaft.
Description
The application is filing date on May 24th, 2011, Application No. 201180048654.6 (PCT/KR2011/
003779), the divisional application of patent application invention entitled " being provided with the tractor of rotatable arm ".
Technical field
Present invention relates in general to the tractor with rotatable articulated jib, and have more particularly, to such
The tractor of rotatable articulated jib, wherein rotary shaft is installed around the pilot's cabin of described tractor, and described articulated jib is joined
Being connected to described rotary shaft makes described articulated jib can rotate around described rotary shaft in the biggest angular range, thus, and peace
The operative radius and the working performance that are filled to the operation executive item of the end of described articulated jib can be significantly increased.
Background technology
Generally, tractor is designed to transmit high pull strength and carry out different types of operation in agricultural or building field
Engineering truck.Be presently used for the tractor frontloader that generally includes on the front end being arranged on tractor body of agricultural with
And install to this frontloader thus carry out the adnexa of various operation (such as transport, unload, loading etc.).
Recently, it is proposed that wherein there is the backhoe of articulated jib and be arranged on the front end of tractor or rear end to perform various operations
Technology.
But, as it has been described above, be arranged on the front end of tractor or backhoe is arranged on the rear end of tractor at loader
In the case of, tractor can be limited to the region of tractor above or below in operation area.Therefore, if it is desirable to navigating to driving
Perform operation in the region of the either side of room, then tractor must rotate along the direction corresponding with target area.This makes operation
Complicated and add the time carried out needed for operation.
Summary of the invention
Technical problem
Therefore, in view of the problems referred to above occurred in prior art define the present invention, and it is an object of the invention to carry
For a kind of tractor with rotatable articulated jib, wherein rotary shaft is installed around the driver's cabin of described tractor, and described hinge
Connect arm to be attached to described rotary shaft this articulated jib can be rotated around this rotary shaft in the biggest angular range, thus can
Significantly improve operative radius and the working performance of the operation executive item installing the end to described articulated jib.
Technical scheme
To achieve these goals, on the one hand, the present invention provides a kind of tractor with rotatable articulated jib, its
In, driver's cabin is provided with pilot set, and described driver's cabin is arranged on body shell and is positioned at from this body shell
Centre portion is displaced to the position of side, and rotary shaft is installed around described driver's cabin, and described articulated jib is arranged on described rotary shaft
On so that this articulated jib can rotate around this rotary shaft.
Described articulated jib may include that the hinged cantilever being attached to described rotary shaft；First arm, described first arm is hinged to
Described hinged cantilever and vertically being bent by the first hydraulic cylinder；Second arm, described second arm be hinged to described first arm and by
Second hydraulic cylinder vertically bends, and is provided with adnexa on the end of described second arm.
On the other hand, the present invention provides a kind of tractor with rotatable articulated jib, and wherein, rotary shaft is pacified around driver's cabin
Filling, and described articulated jib is attached to described rotary shaft and this articulated jib can be rotated around this rotary shaft, described articulated jib includes:
It is attached to the hinged cantilever of described rotary shaft；First arm, described first arm is hinged to described hinged cantilever and by the first hydraulic pressure
Cylinder vertically bends；Second arm, described second arm is hinged to described first arm and is vertically bent by the second hydraulic cylinder, wherein said
First arm and described second arm are folded, and described first arm and described second arm are formed Z-shaped together with described hinged cantilever.
Additionally, scraper bowl can be mounted to the end of described second arm.
Described hinged cantilever can bend to arc.
When described first arm and described second arm are fully folded, described first arm and described second arm may be located at limit
It is scheduled in the space between four wheels of described tractor.
Described first arm and described second arm may be configured so that when this first arm and the second arm are folded, described
One hydraulic cylinder and described second hydraulic cylinder are inserted in described first arm and described second arm.
Described rotary shaft can be provided with sprocket wheel, and chain could be attached to described sprocket wheel, and described chain is connected to a pair the 3rd liquid
First end of the stick of cylinder pressure so that described rotary shaft rotates by stretching, extension and the retraction of described 3rd hydraulic cylinder.
Described sprocket wheel and the described chain being attached to this sprocket wheel can form at least double chain wheel-chain structure.
Each hydraulic cylinder in described 3rd hydraulic cylinder may each comprise the resistance on the second end being arranged on described stick
Buddhist nun's lining and the dampening chamber in being formed at the end of described 3rd hydraulic cylinder, described dampening chamber is formed and inserts for described damping bushing
The space entered, wherein, described space has the size forming fine clearance when described damping bushing inserts described dampening chamber.
Described rotary shaft can be disposed adjacently with the rear end of the side surface of described driver's cabin so that described hinged cantilever energy
Rotate in the angular range of 270 ° around described rotary shaft.
Described rotary shaft can be fastened to described body shell or back axle.
Beneficial effect
According in the tractor with rotatable articulated jib of the present invention, rotary shaft is installed around the driver's cabin of tractor,
And articulated jib be attached to rotary shaft make this articulated jib can around this rotary shaft in the biggest angular range (at driver's cabin
In the case of on the rear end of the sidepiece being arranged on tractor body, in the angular range of about 270 °) rotate.Thus, can show
Write ground and improve operative radius and the working performance of the operation workpiece installing the end to articulated jib.
Additionally, in the present invention, rotary shaft is arranged around the rear end of the side surface of driver's cabin.Therefore, the articulated jib of the present invention
Mounting structure can reduce the total length of tractor.
And, include the hinged cantilever of arc-shaped bend and two arms (the first arm and second according to the articulated jib of the present invention
Arm), hence in so that tractor the most even carries out operation in little space.Therefore, the dilatory function of the present invention is used for respectively
Plant working environment.
Accompanying drawing explanation
Fig. 1 is the axonometric chart illustrating the tractor with rotatable articulated jib according to the present invention；
Fig. 2 is the upward view illustrating the tractor with rotatable articulated jib according to the present invention；
Fig. 3 is the view of the structure being illustrated in detail in the rotary shaft according to the present invention；
Fig. 4 is the side view of the tractor when articulated jib is orientated forward according to the present invention；
Fig. 5 is the side view of the tractor when articulated jib is orientated backward according to the present invention；
Fig. 6 is the side view of the tractor according to the present invention, to be shown in this articulated jib when articulated jib is orientated backward
Operative radius；And
Fig. 7 is the side view of tractor, even if being in when it to be shown in tractor after articulated jib is orientated backward
Little space can also perform operation.
The explanation of the reference in accompanying drawing
10: driver's cabin 21: front-wheel
22: trailing wheel 30: articulated jib
31: hinged cantilever 32: the first arm
33: the second arm 32a, 33a: hydraulic cylinders
40: rotary shaft 41: sprocket wheel
42: chain 50: hydraulic cylinder
51: stick 52: damping bushing
53: dampening chamber 54: fluid passage
60: skeletal container 61: bearing housing
62,63: bearing 70: hydraulic cylinder
80: scraper bowl
Detailed description of the invention
Hereinafter, the tractor with rotatable articulated jib according to the present invention is described with reference to the accompanying drawings in detail.
As depicted in figs. 1 and 2, according in the tractor with rotatable articulated jib of the present invention, wherein there is driving
On the left side of the vehicle body that the driver's cabin 10 of member's seat is positioned at tractor, and rotatable articulated jib 30 is arranged on dilatory locomotive
The no-fix of body has in a part for driver's cabin 10, thus keeps the balance of tractor body.
In detail, driver's cabin 10 is arranged between the front-wheel 21 of tractor and trailing wheel 22 and is positioned at tractor body
Make on left side in formation space, driver's cabin 10 side.When articulated jib 30 is not used by, articulated jib 30 is protected within this space
Hold and be in folded state.
Rotary shaft 40 is rotatably provided at the side, rear end of the side surface of driver's cabin 10, in other words, is arranged on
With driver's cabin 10 position that corner is adjacent.Articulated jib 30 is arranged in rotary shaft 40 so that this articulated jib 30 can be borrowed
The rotation of rotary shaft 40 is helped to rotate around this rotary shaft 40.The position of rotary shaft 40 is not limited to the rear end of the side surface of driver's cabin 10
Near, but rotary shaft 40 can be arranged on any position, as long as it is adjacent with driver's cabin 10.Articulated jib 30 includes: coupled
Hinged cantilever 31 to rotary shaft 40；Be hinged to hinged cantilever 31 and vertically folded by hydraulic cylinder 32a or launch first
Arm 32；And the second arm 33 being hinged to the first arm 32 and vertically being folded by hydraulic cylinder 33a or launch.Adnexa is arranged on
On the end of two arms 33.
First arm 32 and the second arm 33 are respectively provided with space so that when the first arm 32 and the second arm 33 are folded, behaviour
Hydraulic cylinder 32a and 33a making the first arm 32 and the second arm 33 is respectively inserted in the space of the first arm 32 and the second arm 33.Due to
This structure, can make the interference with hydraulic cylinder 32a or 33a minimum, and the first arm 32 and the second arm 33 thus can fold into maximum journey
Degree.
As shown in Figure 4, when the first arm 32 and the second arm 33 are folded, they are formed Z-shaped together with hinged cantilever 31.
Because the articulated jib 30 including hinged cantilever the 31, first arm 32 and the second arm 33 has zigzag configuration, therefore do not grasp when articulated jib 30
When making, articulated jib 30 can be stably retained in folded state in the space that driver's cabin 10 side is formed.Therefore, tractor is worked as
Time mobile, this articulated jib can swimmingly and mobile without unstability.
Additionally, tractor is constructed such that, when the first arm 32 and the second arm 33 are folded at utmost, the first arm
32 and second arm 33 be in the space between the front wheels and rear wheels being limited to tractor.Thus, when tractor is advanced, first
Arm 32 and the second arm 33 can be maintained at more stable state.
The hinged cantilever 31 being attached to rotary shaft 40 is configured to bend to arc.Therefore, at articulated jib by means of rotation
After the rotation of axle 40 is rotated by (it is to say, towards trailing wheel 22) backward, it is possible to use articulated jib carries out operation, even if
Also it is such in little space, and does not interferes with trailing wheel 22.
Additionally, when articulated jib 30 is rotated by the rotation of rotary shaft 40, except the left part being arranged on tractor body
On driver's cabin 10 outside, do not have parts can hinder the rotation of articulated jib 30.Therefore, articulated jib 30 will be able to interfered except this articulated jib
Easily rotate around rotary shaft 40 in the angular range outside angular range residing for driver's cabin 10.It is arranged at driver's cabin 10 and drags
In the case of in the rear end of the left side of machine drawing, if getting rid of driver's cabin 10 to hinder the angle model residing for rotation of articulated jib 30
Enclose, then articulated jib 30 can rotate in the angular range (scopes from about 260 ° to about 290 °) of about 270 °.
Below, it is used for rotating the structure of this rotary shaft 40 by describing with reference to Fig. 2 and Fig. 3.
As shown in Figures 2 and 3, although it is preferred that rotary shaft 40 is arranged on the framework in the rear end being arranged on body shell
In case 60, but this rotary shaft may be mounted on back axle.Rotary shaft 40 is provided with multiple bearing 62 and 63 and makes this rotation
Rotating shaft can rotate swimmingly.The bearing housing 61 of storage bearing 62 is arranged in skeletal container 60 wherein.
Additionally, the outer peripheral face around rotary shaft 40 is provided with sprocket wheel 41.Chain 42 is wound around around sprocket wheel 41.The opposite end of chain 42 is divided
It is not attached to the outer end of the stick 51 of two hydraulic cylinders 50.Therefore, rotary shaft 40 can be by the stretching, extension of hydraulic cylinder 50 and retraction
And rotate.
In Fig. 3, the three sprocket wheels-chain structure with three sprocket wheels 41 and three chains 42 is shown as being attached to rotation for increase
The revolving force of the articulated jib 30 of rotating shaft 40.Preferably, use includes the double chain wheel-chain structure of at least two sprocket wheel and two chains.
Each hydraulic cylinder 50 all includes damping structure, in case the too fast rotation of spin-ended rotating shaft 40.
The damping structure of hydraulic cylinder 50 includes: damping bushing 52, and this damping bushing is arranged on the inner of stick 51；With
Dampening chamber 53, this dampening chamber is formed in the end of hydraulic cylinder and is formed the space inserted for damping bushing 52.Damping structure
It is constructed such that, when stick 51 is fully extended and damping bushing 52 is therefore inserted in dampening chamber 53, is formed narrow
The operation oil of gap and hydraulic cylinder 50 is exposed towards fluid passage 54 by this narrow gap.At this moment, hydraulic cylinder 50 stretching, extension or
Retraction speed is reduced.So, damping function can be performed.
Hereinafter, the operation of the tractor with rotatable articulated jib according to the present invention will be described with reference to Fig. 4 to 7
Journey.
The end of articulated jib 30 is provided with adnexa so that operation executive item (such as scraper bowl, bundle folder, fork truck, hook etc.)
Can be by easily and be removably mountable to articulated jib 30.In the embodiment of Fig. 4 to Fig. 7, on the end of articulated jib 30
It is provided with small scraper pan 80.
When tractor is moved forward or rearward, articulated jib 30 takes the position of Fig. 4.It is arranged on articulated jib 30 to utilize
End on operation executive item (such as, scraper bowl) in tractor operation made above, from the state of Fig. 4, by folding or exhibition
Open the first arm 32 of articulated jib 30 and the second arm 33 and make scraper bowl 80 move forward, and be arranged in the second arm 33 by control
Hydraulic cylinder 70 regulate the orientation of scraper bowl 80.
When the region needing the side corresponding on the right side with driver's cabin 10 to tractor carries out operation, make rotation
Axle 40 rotates so that articulated jib 30 is along the horizontal orientation of tractor.
Additionally, carry out operation, as it is shown in figure 5, make rotary shaft 40 rotate for the region after tractor rear portion so that
Articulated jib 30 is orientated backward.Here, the pilot set (not shown) being arranged in driver's cabin 10 has rotary structure.Cause
This, after pilot set back rotation, the driver in seat can be easily manipulated by articulated jib 30, without rotation
The head of driver.
Meanwhile, because articulated jib 30 includes the hinged cantilever 31 being attached to rotary shaft 40 and is hinged to hinged cantilever 31
And the first arm 31 and the second arm 33 handled by hydraulic cylinder 32a and 33a respectively, therefore can increase the operation half of articulated jib 30
Footpath, as shown in Figure 6, this Fig. 6 is shown in which the situation that the first arm 31 and the second arm 32 are extended.
Additionally, because the hinged cantilever 31 of articulated jib 30 has arc-shaped bend structure, as it is shown in fig. 7, therefore this articulated jib
Even if operation also can be carried out in the case of not hindered by trailing wheel 22 in little space.
In the present invention with above-mentioned structure, articulated jib 30 can rotate in the angular range of about 270 °.It is arranged on
The operative radius of the operation executive item of the end of articulated jib 30 can be further increased.Thus, the behaviour of tractor can be significantly improved
Make efficiency.
Although disclosing the preferred embodiment of the present invention the most for the purpose of illustration, skilled person will understand that
, in without departing from such as subsidiary claim in the case of the scope and spirit of present invention disclosed, various amendments,
It is possible for adding and substituting.
Claims (7)
1. there is a tractor for rotatable articulated jib,
Wherein, driver's cabin is provided with pilot set, and described driver's cabin is arranged on body shell and is positioned at from this vehicle body frame
The central part of frame is displaced to the position of side, is provided with rotary shaft around described driver's cabin, and described articulated jib is arranged on
In described rotary shaft so that this articulated jib can rotate around this rotary shaft,
Wherein, described articulated jib includes: hinged cantilever, and described hinged cantilever is attached to described rotary shaft；First arm, described first
Arm is hinged to described hinged cantilever and is bent vertically by the first hydraulic cylinder；Second arm, described second arm is hinged to described
One arm and being bent vertically by the second hydraulic cylinder, is provided with adnexa on the end of described second arm,
Wherein said first arm and described second arm are folded, and described first arm and described second arm are together with described hinged cantilever one
Play formation Z-shaped, and
Described hinged cantilever (31) is attached to described rotary shaft (40), thus can not bend vertically, but by described rotation
The rotation of axle and only rotate, described hinged cantilever (31) possesses the structure of arc, and its end is prolonged in the longitudinal direction
Extending the rearward end of trailing wheel, so that when rotating in the wings, described hinged cantilever can be by the situation of interference of trailing wheel
Under carry out operation.
The tractor with rotatable articulated jib the most according to claim 1, wherein, scraper bowl is mounted to described second arm
End.
The tractor with rotatable articulated jib the most according to claim 1, wherein, when described first arm and described second
When arm is fully folded, described first arm and described second arm are in the space between four wheels being limited to described tractor
In.
The tractor with rotatable articulated jib the most according to claim 1, wherein, described first arm and described second arm
It is constructed such that, when this first arm proper and the second arm are folded, described first hydraulic cylinder and described second hydraulic cylinder are inserted respectively
Enter in described first arm and described second arm.
The tractor with rotatable articulated jib the most according to claim 1, wherein, described rotary shaft is provided with sprocket wheel,
And chain attachment to described sprocket wheel, described chain is connected to the first end of the stick of a pair the 3rd hydraulic cylinders so that described rotation
Axle rotates by stretching, extension and the retraction of described 3rd hydraulic cylinder.
The tractor with rotatable articulated jib the most according to claim 5, wherein, described sprocket wheel and be attached to this sprocket wheel
Described chain formation at least double chain wheel-chain structure.
The tractor with rotatable articulated jib the most according to claim 1, wherein, described rotary shaft is secured to described
Body shell or back axle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0098566 | 2010-10-11 | ||
| KR1020100098566A KR101042182B1 (en) | 2010-10-11 | 2010-10-11 | Tractor installed rotable arm |
| CN201180048654.6A CN103154384B (en) | 2010-10-11 | 2011-05-24 | Tractor installed rotatable arm |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180048654.6A Division CN103154384B (en) | 2010-10-11 | 2011-05-24 | Tractor installed rotatable arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104499517A CN104499517A (en) | 2015-04-08 |
| CN104499517B true CN104499517B (en) | 2017-01-11 |
Family
ID=44405698
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410643274.2A Expired - Fee Related CN104499517B (en) | 2010-10-11 | 2011-05-24 | Tractor Installed Rotatable Arm |
| CN201180048654.6A Expired - Fee Related CN103154384B (en) | 2010-10-11 | 2011-05-24 | Tractor installed rotatable arm |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180048654.6A Expired - Fee Related CN103154384B (en) | 2010-10-11 | 2011-05-24 | Tractor installed rotatable arm |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20130202397A1 (en) |
| EP (1) | EP2628856A1 (en) |
| JP (1) | JP5593450B2 (en) |
| KR (1) | KR101042182B1 (en) |
| CN (2) | CN104499517B (en) |
| WO (1) | WO2012050283A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101371329B1 (en) * | 2012-05-30 | 2014-03-11 | 대호 (주) | Structure of Safty for Tractor |
| KR101545337B1 (en) | 2015-03-09 | 2015-08-19 | 이희재 | Horizontal rotary device for boom of excavator |
| KR101597976B1 (en) | 2015-09-09 | 2016-03-03 | 대한민국 | Timber gathering apparatus for tracter |
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| JPS5712463U (en) * | 1980-06-20 | 1982-01-22 | ||
| KR200161771Y1 (en) * | 1996-06-05 | 1999-12-01 | 권태근 | Boom of agricultural tractor |
| KR100232366B1 (en) * | 1996-06-12 | 1999-12-01 | 권태근 | Excavator of agricultural tractor |
| CN2396105Y (en) * | 1999-11-17 | 2000-09-13 | 贵州詹阳机械工业有限公司 | Three-sectional arm folding type working device for digging machine |
| CN101280569A (en) * | 2008-05-23 | 2008-10-08 | 同济大学 | Walking telescopic arm type remote control digging machine |
| CN201137166Y (en) * | 2007-11-13 | 2008-10-22 | 石明祥 | Forklift truck great arm rotary device |
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| US3099358A (en) * | 1960-08-01 | 1963-07-30 | Int Harvester Co | Means for shifting the axis of boom means or the like |
| GB785585A (en) * | 1963-04-08 | 1957-10-30 | Newbridge Plant Services Ltd | Improvements in soil excavating apparatus |
| US3466770A (en) * | 1966-09-16 | 1969-09-16 | Frank W Morrison | Self-propelled earth excavating and leveling apparatus |
| JPS5812923Y2 (en) * | 1976-01-21 | 1983-03-12 | 株式会社クボタ | earthwork work vehicle |
| US4049139A (en) * | 1976-02-25 | 1977-09-20 | Caterpillar Tractor Co. | Backhoe with multi-movement capabilities |
| DE2757968C2 (en) * | 1977-12-24 | 1979-11-22 | Karl Schaeff Kg Maschinenfabrik, 7183 Langenburg | Mobile backhoe |
| US5195863A (en) * | 1982-09-08 | 1993-03-23 | Pingon Pierre J De | Excavator loader |
| EP0116474B1 (en) * | 1983-02-12 | 1986-12-10 | Kabushiki Kaisha Hikoma Seisakusho | Earth-working machine |
| GB2225127B (en) * | 1988-11-18 | 1993-03-31 | Kubota Ltd | Pivotal movement control device for boom-equipped working machine |
| US6459902B1 (en) * | 1999-09-07 | 2002-10-01 | Qualcomm Incorporated | System and method for selectively blocking or dropping calls in a telecommunications network |
| KR200227627Y1 (en) * | 2001-01-06 | 2001-06-15 | 조동현 | Farming Truck with Excavator |
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2010
- 2010-10-11 KR KR1020100098566A patent/KR101042182B1/en active IP Right Grant
-
2011
- 2011-05-24 CN CN201410643274.2A patent/CN104499517B/en not_active Expired - Fee Related
- 2011-05-24 CN CN201180048654.6A patent/CN103154384B/en not_active Expired - Fee Related
- 2011-05-24 JP JP2013532704A patent/JP5593450B2/en active Active
- 2011-05-24 EP EP11832670.1A patent/EP2628856A1/en not_active Withdrawn
- 2011-05-24 US US13/877,654 patent/US20130202397A1/en not_active Abandoned
- 2011-05-24 WO PCT/KR2011/003779 patent/WO2012050283A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5712463U (en) * | 1980-06-20 | 1982-01-22 | ||
| KR200161771Y1 (en) * | 1996-06-05 | 1999-12-01 | 권태근 | Boom of agricultural tractor |
| KR100232366B1 (en) * | 1996-06-12 | 1999-12-01 | 권태근 | Excavator of agricultural tractor |
| CN2396105Y (en) * | 1999-11-17 | 2000-09-13 | 贵州詹阳机械工业有限公司 | Three-sectional arm folding type working device for digging machine |
| CN201137166Y (en) * | 2007-11-13 | 2008-10-22 | 石明祥 | Forklift truck great arm rotary device |
| CN101280569A (en) * | 2008-05-23 | 2008-10-08 | 同济大学 | Walking telescopic arm type remote control digging machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104499517A (en) | 2015-04-08 |
| US20130202397A1 (en) | 2013-08-08 |
| CN103154384A (en) | 2013-06-12 |
| WO2012050283A1 (en) | 2012-04-19 |
| KR101042182B1 (en) | 2011-06-16 |
| JP5593450B2 (en) | 2014-09-24 |
| EP2628856A1 (en) | 2013-08-21 |
| CN103154384B (en) | 2015-04-29 |
| JP2013538962A (en) | 2013-10-17 |
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