CN102249145A - Engineering machine and lifting device thereof - Google Patents
Engineering machine and lifting device thereof Download PDFInfo
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- CN102249145A CN102249145A CN201110127761XA CN201110127761A CN102249145A CN 102249145 A CN102249145 A CN 102249145A CN 201110127761X A CN201110127761X A CN 201110127761XA CN 201110127761 A CN201110127761 A CN 201110127761A CN 102249145 A CN102249145 A CN 102249145A
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- pair
- oil cylinder
- suspender
- fork
- grab
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Abstract
The invention discloses a lifting device and an engineering machine containing the lifting device, and relates to the technical field of engineering machinery. The lifting device comprises at least a pair of jockeys, the tails of which are symmetrically provided with knuckle guide mechanisms that comprise guide blocks and angle stoppers arranged on the tails of the jockeys, and the guide blocks are hinged to the tails of the jockeys through rotating shafts and can turn back and forth around the rotating shafts in the area defined by the angle stoppers when receiving a force. According to the engineering machine and the lifting device thereof provided in the embodiments in the invention, during working, the guide blocks can clockwise or anticlockwise rotate around the rotating shafts at a certain angle in the area defined by the angle stoppers when the force the guide blocks received exceeds a certain value; therefore, the lifting device is automatically kept away from an object to be lifted (e.g., log) so as to avoid scratches on the object to be lifted.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of suspender that is used to grasp manipulating object.The invention still further relates to a kind of construction machinery and equipment that comprises above-mentioned suspender.
Background technology
Suspender can improve the added value and the operation function of front swing-machine as the actuating unit of front swing-machine.Along with the increase day by day of each port and pier log loading and unloading capacity both at home and abroad, the requirement of log implement single being grasped tonnage and operating efficiency is more and more higher.At present, on the market common log implement mainly contain that log hangs, timber grab and the grab bucket of door machine etc.It is big that log hangs the extracting tonnage, the operating efficiency height, but the same with timber grab and the grab bucket of door machine, in the process that grasps log, often grab to pitch and block with the log front, cause the grab bucket oil cylinder to suppress cylinder, pressure sharply raises, thus the scratch log.
Therefore, how developing a kind of suspender of avoiding abrading manipulating object (as log), is the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
In order to overcome the above-mentioned defective of prior art, the invention provides a kind of suspender.This suspender comprises that at least one pair of grabs fork, described at least one pair of afterbody of grabbing fork is symmetrically arranged with the articulations digitorum manus guiding mechanism, described articulations digitorum manus guiding mechanism comprise orienting lug and be arranged at described at least one pair of grab the angle limiting stopper of the afterbody of fork, described orienting lug by rotating shaft and described at least one pair of to grab the afterbody of fork hinged, described orienting lug can come back rotation around this rotating shaft in the zone that described angle limiting stopper limits when stressed.
Preferably, described articulations digitorum manus guiding mechanism also comprises guiding oil cylinder, described guiding oil cylinder be arranged in described at least one pair of grab a side of the afterbody and the described orienting lug of fork, an end of described guiding oil cylinder and described at least one pair of to grab the afterbody of fork hinged, the other end and described orienting lug are hinged; Described guiding oil cylinder and described orienting lug pivotally attached hinge do not overlap with the hinge of described rotating shaft.
Preferably, described suspender also comprises walking beam and at least one pair of grab bucket oil cylinder, described at least one pair of to grab fork hinged by first hinge and walking beam, one end of described at least one pair of grab bucket oil cylinder by second hinge with described at least one pair of to grab fork hinged, the other end and the walking beam of described at least one pair of oil cylinder of grabbing bucket are hinged.
Preferably, when described at least one pair of grab fork under the effect of described at least one pair of grab bucket oil cylinder when being in maximum opening, described at least one pair of inside face of afterbody of grabbing fork is perpendicular to horizontal surface, perhaps outwards in 5 ° of the deflections.
Preferably, described at least one pair of grab fork when under the effect of described at least one pair of grab bucket oil cylinder, being in maximum obvolvent state the area shape of the formation of surrounding be the flat ellipse shape.
Preferably, described suspender comprises that also sidesway beam and at least one pair of wave oil cylinder, described at least one pair of to wave an end of oil cylinder hinged by tri-joint mechanism and described walking beam, the other end is with to pass through the 4th hinge and described sidesway beam hinged.
Preferably, described suspender also comprises down turntable and at least one sidesway oil cylinder, described turntable and described sidesway beam sliding block joint down, an end of the described oil cylinder of sidesway at least is hinged by the 5th hinge and described sidesway beam, the other end and described under turntable hinged.
Preferably, described suspender also comprises turntable, and the described turntable of going up is connected by pivoting support with described turntable down, and the described turntable turntable on can be described relatively under the effect of rotary reducer that plays rotates.
The present invention also provides a kind of construction machinery and equipment with above-mentioned suspender.
Suspender provided by the invention and construction machinery and equipment with this suspender, by be provided with the articulations digitorum manus guiding mechanism that is similar to " articulations digitorum manus " at the afterbody of grabbing fork, make in the operation process that grasps manipulating object (as log), orienting lug is in that institute is stressed when surpassing certain value, can be around rotating shaft cw or rotate counterclockwise certain angle in the zone that the angle limiting stopper limits, thereby the manipulating object that staggers automatically is to avoid its scratch, in addition, in preferred version, can also drive orienting lug by guiding oil cylinder does to rotate repeatedly up and down in the zone that the angle limiting stopper limits, manipulating object with the stacking of shaking up gradually, conveniently grab fork and grasp profound manipulating object, thereby need not by promoting the purpose that suspender integral body reaches loosening manipulating object repeatedly.
Description of drawings
Figure 1 shows that the structural representation of a kind of log suspender that the embodiment of the invention provides;
Fig. 2 is the right side view of log suspender shown in Figure 1;
Fig. 3 is the partial enlarged drawing of the articulations digitorum manus guiding mechanism of log suspender shown in Figure 1.
The specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.Should be understood that; embodiment described herein only is part embodiment of the present invention; based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein, Fig. 1 is the structural representation of a kind of log suspender that the embodiment of the invention provided, and Fig. 2 is the right side view of log suspender shown in Figure 1, and Fig. 3 is the partial enlarged drawing of the articulations digitorum manus guiding mechanism of log suspender shown in Figure 1.Below in conjunction with Fig. 1, Fig. 2 and Fig. 3 the embodiment of the invention is described in detail.
As shown in the figure, a kind of log suspender of the embodiment of the invention comprises a pair of fork 1 of grabbing, described a pair of afterbody 101 of grabbing fork 1 is symmetrically arranged with articulations digitorum manus guiding mechanism 10, described articulations digitorum manus guiding mechanism 10 comprises orienting lug 104 and is arranged at described a pair of angle limiting stopper 103 of grabbing the afterbody 101 of fork 1, described orienting lug 104 is hinged by rotating shaft and described a pair of fork 1 the afterbody 101 of grabbing, and described orienting lug 104 can turn an angle in the zone that described angle limiting stopper 103 limits back and forth around this rotating shaft when stressed.
As preferred version, described articulations digitorum manus guiding mechanism 10 also comprises guiding oil cylinder 102, described guiding oil cylinder 102 is arranged in a described a pair of side of grabbing afterbody 101 with the described orienting lug 104 of fork 1, one end of described guiding oil cylinder 102 and described a pair of fork 1 the afterbody 101 of grabbing are hinged, and the other end and described orienting lug 104 are hinged; Described guiding oil cylinder 102 and described orienting lug 104 pivotally attached hinges do not overlap with the hinge of described rotating shaft, under the driving of described guiding oil cylinder 102, described orienting lug 104 can turn an angle in the zone that described angle limiting stopper 103 limits back and forth around rotating shaft.
As preferred version, described log suspender also comprises walking beam 9 and a pair of grab bucket oil cylinder 3, the described a pair of fork 1 of grabbing is by first hinge 4 and walking beam 9 hinged formation grab bucket shapes, one end of described a pair of grab bucket oil cylinder 3 is hinged with the described a pair of fork 1 of grabbing by second hinge 2, and the other end of described a pair of grab bucket oil cylinder 3 and walking beam 9 are hinged; Under the driving of described a pair of grab bucket oil cylinder 9, the described a pair of fork 1 of grabbing can be in and opens or the obvolvent state.
As preferred version, when the described a pair of fork 1 of grabbing when under the effect of described a pair of grab bucket oil cylinder 3, being in maximum opening, the described a pair of inside face of fork 1 afterbody 101 of grabbing is perpendicular to horizontal surface, in 5 ° of the perhaps outside deflections, so that the described a pair of fork 1 of grabbing grasps deeper stacking log, for example, can grasp at least three layers stacking log.
As preferred version, described a pair of grab fork 1 when under the effect of described a pair of grab bucket oil cylinder 3, being in maximum obvolvent state the area shape of the formation of surrounding be the flat ellipse shape; On the one hand, this can reduce the usable height of whole log suspender, on the other hand, can avoid grab bucket imported log in the extracting process to be stuck and can not to fill grab bucket, thereby improve the area that utilizes of grab bucket, for example, can make grab bucket effectively utilize area to surpass 95%.
As preferred version, described log suspender also comprises sidesway beam 8 and a pair of oil cylinder 14 that waves, and it is hinged with described walking beam that a described a pair of end that waves oil cylinder 14 passes through tri-joint mechanism 15, and the other end is with hinged by the 4th hinge 14 and described sidesway beam 8; Under described a pair of cooperation of waving oil cylinder 14 drove, walking beam 9 and following grab bucket integral body thereof can oscillate.
As preferred version, described log suspender also comprises turntable 5 and a sidesway oil cylinder 13 down, described down turntable 5 and described sidesway beam 8 sliding block joints, an end of described sidesway oil cylinder 13 is hinged with described sidesway beam 8 by the 5th hinge 13, the other end with described under turntable 5 hinged; Under the driving of described sidesway oil cylinder 13, sidesway beam 8 and following grab bucket integral body thereof can be on the sidesway guide rail of turntable 5 down sidesway one segment distance.
As preferred version, described log suspender also comprises turntable 6, the described turntable 6 of going up is connected by pivoting support with described turntable 5 down, and described turntable 5 and the following grab bucket integral body thereof played can rotate by turntable 6 on can be described relatively under the effect of rotary reducer 7.
In concrete operation process, following two kinds of mode of operation can be arranged: mode of operation one, guiding oil cylinder 102 is not worked, when 104 of orienting lugs are stressed when surpassing certain value, can described rotating shaft be the center, cw or rotate counterclockwise certain angle in the zone that angle limiting stopper 103 limits, thus the log that can stagger automatically, thus reach the function that in the handling process log is led and grabs bucket and avoid abrading profound log; Mode of operation two, guiding oil cylinder 102 work, orienting lug 104 is knee-action under the driving of guiding oil cylinder 102, with the log of the stacking of shaking up gradually, conveniently grab fork and grasp profound log, thereby need not by promoting the purpose that suspender integral body reaches loosening log repeatedly.
Need to prove that in another embodiment of the invention, the articulations digitorum manus guiding mechanism can not comprise guiding oil cylinder 102, its working process and above-mentioned guiding oil cylinder 102 out-of-run situations are similar, do not give unnecessary details now.
Need to prove that the suspender of the foregoing description also can be used for grasping other manipulating objects, for example the pipe iso-cross-section is circular manipulating object.
A kind of log suspender that the embodiment of the invention provides, by about grab fork afterbody increase articulations digitorum manus guiding mechanism (its structural principle is similar to " articulations digitorum manus "), make in the operation process that grasps log, when orienting lug in that institute is stressed when surpassing certain value, can be around rotating shaft cw or rotate counterclockwise certain angle in the zone that the angle limiting stopper limits, thereby the log that staggers automatically is to avoid its scratch, in addition, can also drive orienting lug by guiding oil cylinder does to rotate repeatedly up and down in the zone that the angle limiting stopper limits, log with the stacking of shaking up gradually, conveniently grab fork and grasp profound log, thereby need not by promoting the purpose that suspender integral body reaches loosening log repeatedly.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. suspender, comprise that at least one pair of grabs fork, it is characterized in that, described at least one pair of afterbody of grabbing fork is symmetrically arranged with the articulations digitorum manus guiding mechanism, described articulations digitorum manus guiding mechanism comprise orienting lug and be arranged at described at least one pair of grab the angle limiting stopper of the afterbody of fork, described orienting lug by rotating shaft and described at least one pair of to grab the afterbody of fork hinged, described orienting lug can come back rotation around this rotating shaft in the zone that described angle limiting stopper limits when stressed.
2. suspender as claimed in claim 1, it is characterized in that, described articulations digitorum manus guiding mechanism also comprises guiding oil cylinder, described guiding oil cylinder be arranged in described at least one pair of grab a side of the afterbody and the described orienting lug of fork, one end of described guiding oil cylinder and described at least one pair of to grab the afterbody of fork hinged, the other end and described orienting lug are hinged; Described guiding oil cylinder and described orienting lug pivotally attached hinge do not overlap with the hinge of described rotating shaft.
3. suspender as claimed in claim 1 or 2, it is characterized in that, described suspender also comprises walking beam and at least one pair of grab bucket oil cylinder, described at least one pair of to grab fork hinged by first hinge and walking beam, one end of described at least one pair of grab bucket oil cylinder by second hinge with described at least one pair of to grab fork hinged, the other end and the walking beam of described at least one pair of oil cylinder of grabbing bucket are hinged.
4. suspender as claimed in claim 3, it is characterized in that, when described at least one pair of grab fork under the effect of described at least one pair of grab bucket oil cylinder when being in maximum opening, described at least one pair of inside face of afterbody of grabbing fork is perpendicular to horizontal surface, perhaps outwards in 5 ° of the deflections.
5. suspender as claimed in claim 4 is characterized in that, described at least one pair of grab fork when under the effect of described at least one pair of grab bucket oil cylinder, being in maximum obvolvent state the area shape of the formation of surrounding be the flat ellipse shape.
6. suspender as claimed in claim 5, it is characterized in that, described suspender comprises that also sidesway beam and at least one pair of wave oil cylinder, described at least one pair of to wave an end of oil cylinder hinged by tri-joint mechanism and described walking beam, the other end is with to pass through the 4th hinge and described sidesway beam hinged.
7. suspender as claimed in claim 6, it is characterized in that, described suspender also comprises turntable and at least one sidesway oil cylinder down, described turntable and described sidesway beam sliding block joint down, one end of the described oil cylinder of sidesway at least is hinged by the 5th hinge and described sidesway beam, and the other end and described following turntable are hinged.
8. suspender as claimed in claim 7 is characterized in that described suspender also comprises turntable, and the described turntable of going up is connected by pivoting support with described turntable down, and the described turntable turntable on can be described relatively under the effect of rotary reducer that plays rotates.
9. a construction machinery and equipment is characterized in that, described construction machinery and equipment has each described suspender of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110127761 CN102249145B (en) | 2011-05-17 | 2011-05-17 | Engineering machine and lifting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110127761 CN102249145B (en) | 2011-05-17 | 2011-05-17 | Engineering machine and lifting device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102249145A true CN102249145A (en) | 2011-11-23 |
| CN102249145B CN102249145B (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110127761 Expired - Fee Related CN102249145B (en) | 2011-05-17 | 2011-05-17 | Engineering machine and lifting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102249145B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649137A (en) * | 2014-06-09 | 2015-05-27 | 广西腾博再生能源有限公司 | Grab bucket |
| WO2017049567A1 (en) * | 2015-09-25 | 2017-03-30 | 侯景忠 | Rotation angle adjustable lifting clamp |
| CN112573356A (en) * | 2020-11-19 | 2021-03-30 | 山东齐利得重工集团有限公司 | Steel bar lifting appliance for crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040080174A (en) * | 2003-03-11 | 2004-09-18 | 한상남 | Rotator Device of Crane grab |
| EP2194193A1 (en) * | 2008-12-05 | 2010-06-09 | Serge Vuistiner | Excavator grab |
| CN201512353U (en) * | 2009-07-10 | 2010-06-23 | 上海昂丰矿机科技有限公司 | Remote control reverse electric hydraulic grab bucket |
| CN201694742U (en) * | 2010-06-24 | 2011-01-05 | 周少鸿 | Double-oil cylinder electrical forward/reverse rotation grab bucket device |
| CN102001582A (en) * | 2010-12-09 | 2011-04-06 | 三一集团有限公司 | Engineering machine and log lifting appliance thereof |
-
2011
- 2011-05-17 CN CN 201110127761 patent/CN102249145B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040080174A (en) * | 2003-03-11 | 2004-09-18 | 한상남 | Rotator Device of Crane grab |
| EP2194193A1 (en) * | 2008-12-05 | 2010-06-09 | Serge Vuistiner | Excavator grab |
| CN201512353U (en) * | 2009-07-10 | 2010-06-23 | 上海昂丰矿机科技有限公司 | Remote control reverse electric hydraulic grab bucket |
| CN201694742U (en) * | 2010-06-24 | 2011-01-05 | 周少鸿 | Double-oil cylinder electrical forward/reverse rotation grab bucket device |
| CN102001582A (en) * | 2010-12-09 | 2011-04-06 | 三一集团有限公司 | Engineering machine and log lifting appliance thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649137A (en) * | 2014-06-09 | 2015-05-27 | 广西腾博再生能源有限公司 | Grab bucket |
| WO2017049567A1 (en) * | 2015-09-25 | 2017-03-30 | 侯景忠 | Rotation angle adjustable lifting clamp |
| CN112573356A (en) * | 2020-11-19 | 2021-03-30 | 山东齐利得重工集团有限公司 | Steel bar lifting appliance for crane |
| CN112573356B (en) * | 2020-11-19 | 2022-06-14 | 山东齐利得重工集团有限公司 | Steel bar lifting appliance for crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102249145B (en) | 2013-03-06 |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: HUNAN SANYI PORT EQUIPMENT CO., LTD. Free format text: FORMER OWNER: KM GROUP CO., LTD. Effective date: 20150608 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150608 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: Hunan 31 harbour facilities Co., Ltd Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: KM Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20200517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |