CN104912132A - Planar multi-connecting rod controllable excavation mechanism - Google Patents
Planar multi-connecting rod controllable excavation mechanism Download PDFInfo
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- CN104912132A CN104912132A CN201510303906.5A CN201510303906A CN104912132A CN 104912132 A CN104912132 A CN 104912132A CN 201510303906 A CN201510303906 A CN 201510303906A CN 104912132 A CN104912132 A CN 104912132A
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Abstract
The invention discloses a planar multi-connecting rod controllable excavation mechanism, which comprises a rack, a first control branch chain, a second control branch chain, an overturning branch chain and a scraper bucket, wherein the first control branch chain comprises a first driving rod, a second connecting rod and a first movable arm; one end of the first driving rod is hinged to the rack; one end of the second connecting rod is hinged to the other end of the first driving rod; one end of the first movable arm is hinged to the other end of the second connecting rod; the second control branch chain comprises a second driving rod, a third connecting rod and a second movable arm; one end of the second driving rod is hinged to the rack; one end of the third connecting rod is hinged to the other end of the second driving rod; one end of the second movable arm is hinged to the other end of the third connecting rod; the overturning branch chain comprises a third driving rod and an overturning rod; one end of the third driving rod is hinged to the rack; one end of the overturning rod is hinged to the other end of the third driving rod, the middle part of the overturning rod is hinged to the middle part of the second movable arm, and the other end of the overturning rod is hinged to the middle part of the first movable arm; the upper part of the scraper bucket is hinged to the other end of the first movable arm, and the lower part of the scraper bucket is hinged to the other end of the second movable arm. The excavation mechanism is more flexible, and the shortcomings of high accuracy of a hydraulic element, oil leakage and the like can be overcome.
Description
Technical field
The present invention relates to mechanical engineering field, particularly a kind of plane multi link excavating mechanism of controllable.
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.
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.
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 a kind of plane multi link excavating mechanism of controllable, 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 a kind of plane multi link excavating mechanism of controllable, comprising: frame; First controls side chain, and it comprises: one end is articulated with the first driving lever in described frame, the second connecting rod that the other end of one end and described first driving lever is hinged, and the first swing arm that the other end of one end and described second connecting rod is hinged; Second controls side chain, and it comprises, and one end is articulated with the second driving lever in described frame, the third connecting rod that the other end of one end and described second driving lever is hinged, and the second swing arm that the other end of one end and described third connecting rod is hinged; Upset side chain, it comprises: one end is articulated with the 3rd driving lever in described frame, and the turning rod that the other end of one end and described 3rd driving lever is hinged, the middle part of this turning rod and the middle part of described second swing arm hinged, the other end of described turning rod is articulated with the middle part of described first swing arm; And scraper bowl, the other end of its top and described first swing arm is hinged, and the other end of bottom and described second swing arm is hinged.
In technique scheme, also comprise a drive unit, it is connected with described first driving lever, described second driving lever and described 3rd driving lever respectively.
In technique scheme, described drive unit is servomotor.
In technique scheme, described first driving lever is positioned at the front of described second driving lever, and described second driving lever is positioned at the front of described 3rd driving lever.
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, compact conformation, reduces connecting rod weight, improve stressed, and digging force is large, improves mechanism's traveling comfort and reliability.Comparatively speaking, kinematics and dynamic performance are more superior.
Accompanying drawing explanation
Fig. 1 is the structural representation according to plane multi link excavating mechanism of controllable of the present invention.
Fig. 2 is the structural representation controlling side chain according to of the present invention first.
Fig. 3 is the structural representation controlling side chain according to of the present invention second.
Fig. 4 is the structural representation according to upset side chain of the present invention.
Fig. 5 is the operation schematic diagram according to plane multi link excavating mechanism of controllable of the present invention.
Main Reference Numerals illustrates:
2-first driving lever, 4-second connecting rod, 5-third connecting rod, 8-first swing arm, 11-scraper bowl, 13-second swing arm, 15-turning rod, 20-the 3rd driving lever, 23-frame, 24-second driving lever.
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.
As shown in Figures 1 to 4, according to a kind of plane multi link excavating mechanism of controllable of the specific embodiment of the invention, comprising: frame 23, first controls side chain, second and controls side chain, upset side chain and scraper bowl 11.
As depicted in figs. 1 and 2, the first control side chain comprises: the first driving lever 2, second connecting rod 4 and the first swing arm 8; One end of first driving lever 2 is articulated with in frame 23 by the first revolute pair 1, and one end of second connecting rod 4 is hinged by the other end of the second revolute pair 3 and the first driving lever 2, and one end of the first swing arm 8 is hinged with the other end of second connecting rod 4 by the 3rd revolute pair 6.
As shown in figures 1 and 3, the second control side chain comprises the second driving lever 24, third connecting rod 5 and the second swing arm 13; One end of second driving lever 24 is articulated with in frame 23 by the 5th revolute pair 22, one end of third connecting rod 5 is hinged by the other end of the 6th revolute pair 19 and the second driving lever 24, and one end of the second swing arm 13 is hinged with the other end of third connecting rod 5 by the 7th revolute pair 7; Wherein, the first driving lever 2 is positioned at the front of the second driving lever 24.
As shown in Figure 1 and Figure 4, overturn side chain to comprise: the 3rd driving lever 20 and turning rod 15; One end of 3rd driving lever 20 is articulated with in frame 23 by the 9th revolute pair 21, one end of turning rod 15 is hinged by the other end of the tenth revolute pair 16 and the 3rd driving lever 20, the middle part of this turning rod 15 is hinged by the middle part of the 11 revolute pair 14 and the second swing arm 13, and the other end of turning rod 15 is articulated with the middle part of the first swing arm 8 by the 12 revolute pair 9; Wherein, the second driving lever 24 is positioned at the front of the 3rd driving lever 20.The top of scraper bowl 11 is hinged by the other end of the 4th revolute pair 10 and the first swing arm 8, and bottom is hinged by the other end of the 8th revolute pair 12 and the second swing arm 13.
In this embodiment, drive unit is connected with the first driving lever 2, second driving lever 24 and the 3rd driving lever 20 respectively, drive unit is servomotor, preferably selects three servomotors, drives respectively to the first driving lever 2, second driving lever 24 and the 3rd driving lever 20.
During use, coordinated by the first control side chain, the second control side chain and upset side chain and realize corresponding action.When the first driving lever 2 drives to the right, the second driving lever 24 drives left, and the 3rd driving lever 20 drives to the right, can realize excavation action; When the first driving lever 2 drives left, the second driving lever 24 drives to the right, and the 3rd driving lever 20 drives left, can realize rotary movement; As shown in Figure 5, when the first driving lever 2 drives left, the second driving lever 24 drives left, and the 3rd driving lever 20 drives left, can realize lifting action.
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.
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 (4)
1. a plane multi link excavating mechanism of controllable, is characterized in that, comprising:
Frame;
First controls side chain, and it comprises: one end is articulated with the first driving lever in described frame, the second connecting rod that the other end of one end and described first driving lever is hinged, and the first swing arm that the other end of one end and described second connecting rod is hinged;
Second controls side chain, and it comprises, and one end is articulated with the second driving lever in described frame, the third connecting rod that the other end of one end and described second driving lever is hinged, and the second swing arm that the other end of one end and described third connecting rod is hinged;
Upset side chain, it comprises: one end is articulated with the 3rd driving lever in described frame, and the turning rod that the other end of one end and described 3rd driving lever is hinged, the middle part of this turning rod and the middle part of described second swing arm hinged, the other end of described turning rod is articulated with the middle part of described first swing arm; And
Scraper bowl, the other end of its top and described first swing arm is hinged, and the other end of bottom and described second swing arm is hinged.
2. plane multi link excavating mechanism of controllable according to claim 1, is characterized in that, also comprise a drive unit, and it is connected with described first driving lever, described second driving lever and described 3rd driving lever respectively.
3. plane multi link excavating mechanism of controllable according to claim 2, is characterized in that, described drive unit is servomotor.
4. plane multi link excavating mechanism of controllable according to claim 1, is characterized in that, described first driving lever is positioned at the front of described second driving lever, and described second driving lever is positioned at the front of described 3rd driving lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303906.5A CN104912132A (en) | 2015-06-04 | 2015-06-04 | Planar multi-connecting rod controllable excavation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303906.5A CN104912132A (en) | 2015-06-04 | 2015-06-04 | Planar multi-connecting rod controllable excavation mechanism |
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| CN104912132A true CN104912132A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510303906.5A Pending CN104912132A (en) | 2015-06-04 | 2015-06-04 | Planar multi-connecting rod controllable excavation mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337452A (en) * | 2016-09-06 | 2017-01-18 | 广西大学 | Three-rod four-joint tandem face-shovel excavator |
Citations (5)
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| DE102004027203B4 (en) * | 2004-03-29 | 2010-01-14 | Komatsu Hanomag Gmbh | working vehicle |
| CN201901888U (en) * | 2010-12-10 | 2011-07-20 | 广西大学 | Loading mechanism with metamorphic function |
| CN104032779A (en) * | 2014-06-27 | 2014-09-10 | 广西大学 | Multi-connecting-rod controllable mining mechanism with variable cell function |
| CN104594400A (en) * | 2014-12-25 | 2015-05-06 | 广西大学 | Rotatable multiple-connecting-rod controllable excavating mechanism having metamorphic function |
| CN104612189A (en) * | 2014-12-25 | 2015-05-13 | 广西大学 | Rotatable type multi-freedom-degree controllable excavating mechanism with active cell changing function |
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2015
- 2015-06-04 CN CN201510303906.5A patent/CN104912132A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004027203B4 (en) * | 2004-03-29 | 2010-01-14 | Komatsu Hanomag Gmbh | working vehicle |
| CN201901888U (en) * | 2010-12-10 | 2011-07-20 | 广西大学 | Loading mechanism with metamorphic function |
| CN104032779A (en) * | 2014-06-27 | 2014-09-10 | 广西大学 | Multi-connecting-rod controllable mining mechanism with variable cell function |
| CN104594400A (en) * | 2014-12-25 | 2015-05-06 | 广西大学 | Rotatable multiple-connecting-rod controllable excavating mechanism having metamorphic function |
| CN104612189A (en) * | 2014-12-25 | 2015-05-13 | 广西大学 | Rotatable type multi-freedom-degree controllable excavating mechanism with active cell changing function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337452A (en) * | 2016-09-06 | 2017-01-18 | 广西大学 | Three-rod four-joint tandem face-shovel excavator |
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