CN105113556A - Multi-connecting-rod controllable excavator - Google Patents
Multi-connecting-rod controllable excavator Download PDFInfo
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- CN105113556A CN105113556A CN201510522460.5A CN201510522460A CN105113556A CN 105113556 A CN105113556 A CN 105113556A CN 201510522460 A CN201510522460 A CN 201510522460A CN 105113556 A CN105113556 A CN 105113556A
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- hinged
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- driving link
- connecting rod
- dipper
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Abstract
The invention discloses a multi-connecting-rod controllable excavator which comprises a walking device, a rotary platform, a first control branched chain, a second control branched chain, a big arm and a bucket. The rotary platform is arranged on the walking device. The first control branched chain comprises a first driving piece with one end hinged to the rotary platform, a first connecting rod with one end hinged to the other end of the first driving piece, and a first bucket rod with one end hinged to the other end of the first connecting rod. The second control branched chain comprises a second driving piece with one end hinged to the rotary platform, a second connecting rod with one end hinged to the other end of the second driving piece, a turning rod with one end hinged to the other end of the second connecting rod, and a second bucket rod with one end hinged to the other end of the turning rod. One end of the big arm is hinged to the rotary platform. The middle of the big arm is hinged to the bent part of the turning rod. The other end of the big arm is hinged to the bent part of the first bucket rod. The upper portion of the bucket is hinged to the other end of the first bucket rod. The lower portion of the bucket is hinged to the other end of the second bucket rod. The excavator can overcome the defects that an excavator with a hydraulic element is high in requirement for accuracy and prone to oil leakage.
Description
Technical field
The present invention relates to mechanical engineering field, particularly the controlled excavator of a kind of multi link.
Background technology
Excavator is a kind of conventional engineering machinery.Wherein, hydraulic excavator is most widely used general, and its Hydraulic Elements required precision is high, causes hydraulic system manufacturing cost high, and easily occurs the problems such as leakage of oil, and these are all the long-standing thorny problems of hydraulic excavator.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide the controlled excavator of a kind of multi link, thus the excavator required precision overcoming use Hydraulic Elements is higher, is easier to the shortcoming of leakage of oil.
For achieving the above object, the invention provides the controlled excavator of a kind of multi link, comprising: running gear; Revolving dial, it is located on described running gear; First controls side chain, and it comprises: one end is articulated with the first driving link of described revolving dial, the first connecting rod that the other end of one end and described first driving link is hinged, and the first dipper that the other end of one end and described first connecting rod is hinged; Described first dipper is bending; Second controls side chain, it comprises: one end is articulated with the second driving link on described revolving dial, the second connecting rod that the other end of one end and described second driving link is hinged, the turning rod that the other end of one end and described second connecting rod is hinged, and the second dipper that the other end of one end and described turning rod is hinged; Described turning rod is bending; Large arm, its one end is articulated with on described revolving dial, the middle part of this large arm and the bend of described turning rod hinged, the other end of described large arm is articulated with the bend of described first dipper; Scraper bowl, the other end of its top and described first dipper is hinged, and the other end of bottom and described second dipper is hinged; And three servomotors, be connected with described first driving link, the second driving link and large arm respectively.
Preferably, described first driving link is positioned at the front of described second driving link.
Preferably, described second driving link is positioned at the front of described large arm.
Compared with prior art, the present invention has following beneficial effect:
1. the digging mechanism in the present invention, under guarantee conventional excavators job requirements and the simple prerequisite of linkage structure, not only possesses the flexibility of existing hydraulic crawler excavator, and avoids the shortcomings such as Hydraulic Elements precision is high, leakage of oil.
2. the present invention compares other controllable mechanisms is excavators, decreases connecting rod quantity, reduces connecting rod weight, improve stressed, improve mechanism's traveling comfort and reliability.Comparatively speaking, kinematics and dynamic performance are more superior.
Accompanying drawing explanation
Fig. 1 is the structural representation of the controlled excavator of multi link according to the present invention.
Fig. 2 is the first operation schematic diagram of the controlled excavator of multi link according to the present invention.
Fig. 3 is the second operation schematic diagram of the controlled excavator of multi link according to the present invention.
Fig. 4 is the 3rd operation schematic diagram of the controlled excavator of multi link according to the present invention.
Main Reference Numerals illustrates:
1-running gear, 2-first driving link, 3-first connecting rod, 4-first dipper, 5-scraper bowl, 6-second dipper, 7-large arm, 8-turning rod, 9-second connecting rod, 10-second driving link, 11-revolving dial, 12,13,14-servomotor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole manual and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
Along with motor technology must develop the raising with control technology, controllable mechanism is that engineering machinery provides development space widely, not only having that working space is large by controlling motor-driven multiple degrees of freedom controllable mechanism, flexible movements, complicated movement locus can be completed export, also there is the advantages such as low cost of manufacture, maintaining be simple simultaneously.
As shown in Figures 1 to 4, according to the controlled excavator of a kind of multi link of the specific embodiment of the invention, comprising: running gear 1, revolving dial 11, first control side chain, second and control side chain, large arm 7 and three servomotors 12,13,14; Revolving dial 11 is located on running gear 1, and this revolving dial 11 can rotate.
First controls side chain comprises: the first driving link 2, first connecting rod 3 and the first dipper 4; One end of first driving link 2 is articulated with on revolving dial 11 by the first revolute pair 17, one end of first connecting rod 3 is hinged by the other end of the second revolute pair 18 and the first driving link 2, one end of first dipper 4 is hinged with the other end of first connecting rod 3 by the 3rd revolute pair 19, and the first dipper 4 is in bending.
Second controls side chain comprises: the second driving link 10, second connecting rod 9 and turning rod 8; One end of second driving link 10 is articulated with on revolving dial 11 by the 5th revolute pair 21, one end of second connecting rod 9 is hinged by the other end of the 6th revolute pair 22 and the second driving link 10, one end of turning rod 8 is hinged with the other end of second connecting rod 9 by the 7th revolute pair 23, one end of second dipper 6 is hinged with the other end of turning rod 8 by the 8th revolute pair 24, turning rod 8 is in bending, and wherein the first driving link 2 is positioned at the front of the second driving link 10.
One end of large arm 7 is articulated with on revolving dial 11 by the tenth revolute pair 26, and the middle part of this large arm 7 is hinged with the bend of turning rod 8 by the 11 revolute pair 16, and the other end of large arm 7 is articulated with the bend of the first dipper 4 by the 12 revolute pair 15; The top of scraper bowl 5 is hinged by the other end of the 4th revolute pair 20 and the first dipper 4, and bottom is hinged by the other end of the 9th revolute pair 25 and the second dipper 6, and the second driving link 10 is positioned at the front of large arm 7; Three servomotors 12,13,14 are connected with the first driving link 2, second driving link 10 and large arm 7 respectively, are driven separately by three servomotors 12,13,14 to the first driving link 2, second driving link 10, large arm 7.
During use, as shown in Figure 1, servomotor 12,13,14 drives the first driving link 2, second driving link 10 respectively, large arm 7 moves right, and can realize scraper bowl 5 and move downward, if at this moment drive the second driving link 10 to left movement, the excavation action (as shown in Figure 3) of scraper bowl 5 can be realized; As shown in Figure 2, servomotor 12,14 drives large arm 7 and the first driving link 2 to left movement, can realize a liter bucket action, if at this moment servomotor 13 drives the second driving link 10 to move right, can realize pine bucket action (as shown in Figure 4).
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (3)
1. the controlled excavator of multi link, is characterized in that, comprising:
Running gear;
Revolving dial, it is located on described running gear;
First controls side chain, and it comprises: one end is articulated with the first driving link of described revolving dial, the first connecting rod that the other end of one end and described first driving link is hinged, and the first dipper that the other end of one end and described first connecting rod is hinged; Described first dipper is bending;
Second controls side chain, it comprises: one end is articulated with the second driving link on described revolving dial, the second connecting rod that the other end of one end and described second driving link is hinged, the turning rod that the other end of one end and described second connecting rod is hinged, and the second dipper that the other end of one end and described turning rod is hinged; Described turning rod is bending;
Large arm, its one end is articulated with on described revolving dial, the middle part of this large arm and the bend of described turning rod hinged, the other end of described large arm is articulated with the bend of described first dipper;
Scraper bowl, the other end of its top and described first dipper is hinged, and the other end of bottom and described second dipper is hinged; And
Three servomotors, are connected with described first driving link, the second driving link and large arm respectively.
2. the controlled excavator of multi link according to claim 1, is characterized in that, described first driving link is positioned at the front of described second driving link.
3. the controlled excavator of multi link according to claim 1, is characterized in that, described second driving link is positioned at the front of described large arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522460.5A CN105113556A (en) | 2015-08-24 | 2015-08-24 | Multi-connecting-rod controllable excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522460.5A CN105113556A (en) | 2015-08-24 | 2015-08-24 | Multi-connecting-rod controllable excavator |
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| Publication Number | Publication Date |
|---|---|
| CN105113556A true CN105113556A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510522460.5A Pending CN105113556A (en) | 2015-08-24 | 2015-08-24 | Multi-connecting-rod controllable excavator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004027203A1 (en) * | 2004-03-29 | 2005-11-10 | Komatsu Hanomag Gmbh | Working vehicle, especially wheel loader, has positions and spacing of bearings within lifting and tilting unit selected so that inclination of working tool relative to horizontal varies by 4 degrees at most during lifting movement |
| CN104480983A (en) * | 2014-12-25 | 2015-04-01 | 广西大学 | 12R controllable excavating mechanism with actively and alternatively metamorphic big arm |
| CN104594400A (en) * | 2014-12-25 | 2015-05-06 | 广西大学 | Rotatable multiple-connecting-rod controllable excavating mechanism having metamorphic function |
| CN104612190A (en) * | 2014-12-12 | 2015-05-13 | 广西大学 | Multi-freedom-degree multi-connecting-rod controllable mechanism type excavator |
-
2015
- 2015-08-24 CN CN201510522460.5A patent/CN105113556A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004027203A1 (en) * | 2004-03-29 | 2005-11-10 | Komatsu Hanomag Gmbh | Working vehicle, especially wheel loader, has positions and spacing of bearings within lifting and tilting unit selected so that inclination of working tool relative to horizontal varies by 4 degrees at most during lifting movement |
| CN104612190A (en) * | 2014-12-12 | 2015-05-13 | 广西大学 | Multi-freedom-degree multi-connecting-rod controllable mechanism type excavator |
| CN104480983A (en) * | 2014-12-25 | 2015-04-01 | 广西大学 | 12R controllable excavating mechanism with actively and alternatively metamorphic big arm |
| CN104594400A (en) * | 2014-12-25 | 2015-05-06 | 广西大学 | Rotatable multiple-connecting-rod controllable excavating mechanism having metamorphic function |
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Application publication date: 20151202 |