CN202413740U - Engineering machine and support leg structure thereof - Google Patents
Engineering machine and support leg structure thereof Download PDFInfo
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- CN202413740U CN202413740U CN2011205417179U CN201120541717U CN202413740U CN 202413740 U CN202413740 U CN 202413740U CN 2011205417179 U CN2011205417179 U CN 2011205417179U CN 201120541717 U CN201120541717 U CN 201120541717U CN 202413740 U CN202413740 U CN 202413740U
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Abstract
The utility model discloses a support leg structure which is used for an engineering machine. The support leg structure comprises horizontal support legs; each horizontal support leg comprises at least two joints of support legs, all the joints of the support legs are sequentially articulated, and a first driving part (2) for driving the adjacent joints of the support legs to expand and fold is arranged between any two adjacent joints of the support legs; in all the joints of the support legs, a first joint of the support leg (31) is articulated with a body of the engineering machine, and a second driving part (4) for driving the first joint of the support leg (31) to expand and fold is arranged between the first joint of the support leg (31) and the body of the engineering machine; and each joint of the support leg at least comprises one joint of the support leg as a telescopic support leg. According to the design of the support leg structure, on the one hand, the support leg structure can be simplified, thus the processing and manufacturing cost can be reduced; and on the other hand, all the joints of the support legs can be smoothly expanded and folded, thus the working reliability can be improved. In addition, the utility model further discloses another support leg structure as well as an engineering machine comprising the support leg structure.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of leg structure.In addition, the utility model also relates to a kind of construction machinery and equipment that comprises this leg structure.
Background technology
In the prior art, several kinds of versions below the many employings of the leg structure of construction machinery and equipment: back swing leg, X supporting leg, preceding swinging kick and arc supporting leg etc.With the concrete pump truck is example, and during work, four supporting legs of pump truck launch support ground; Form one square or trapezoidal; Be used for bearing the car load deadweight of pump truck delivering concrete process and the moment of flexure that cement concrete produces, thereby prevent that pump truck from toppling, safety and stability when guaranteeing pump truck work.
The patent No. is that the Chinese patent of CN200820133505 discloses a kind of leg structure; Particularly, as depicted in figs. 1 and 2, Fig. 1 is the structural representation of the supporting leg of a kind of leg structure of prior art when drawing in; Fig. 2 is the structural representation of the supporting leg of the leg structure among Fig. 1 when launching.
As depicted in figs. 1 and 2; This leg structure comprise be connected capstan head 1 ' on two presylvian fissure legs 2 ' with two after horizontal support legs 3 '; Presylvian fissure leg 2 ' comprise four joint supporting legs is respectively first segment supporting leg 2 ' 1, second and saves supporting leg 2 ' 2, the 3rd joint supporting leg 2 ' 3 and the 4th joint supporting leg 2 ' 4, and respectively saves between the supporting leg hinged successively; The end of the 4th joint supporting leg is connected with vertical supporting leg, and this vertical supporting leg is used for realizing support ground.In addition, capstan head 1 ' both sides also be respectively equipped with a supporting leg framework 4 ', as shown in Figure 1 during presylvian fissure leg 2 ' gathering, presylvian fissure leg 2 ' respectively save supporting leg need to slide successively be recovered in this supporting leg framework 4 ' in; During presylvian fissure leg 2 ' expansion, as shown in Figure 2, presylvian fissure leg 2 ' respectively save supporting leg need successively from this supporting leg framework 4 ' slip stretch out.Yet this kind presylvian fissure leg 2 ' gathering and deployed configuration have following shortcoming:
The first, the structure more complicated, and the processing and manufacturing cost is higher.Particularly, need capstan head 1 ' both sides install and fix respectively a supporting leg framework 4 ', this supporting leg framework 4 ' fixed sturcture with and occupied space, be a very large test to structure optimization design.In addition, presylvian fissure leg 2 ' and supporting leg framework 4 ' between drive configuration need be set, thereby respectively save supporting leg and slide and reclaim and launch to drive, and this drive configuration is arranged in the finite space of supporting leg framework and is got up to have very large difficulty.
Second; Supporting leg framework 4 ' be not linearly to distribute; And its front end is provided with curve 4 ' 1, thereby when supporting leg stretches out or regains, can be stopped at this curve 4 ' 1; Can not successfully stretch out or regain thereby cause respectively saving supporting leg, thereby the reliability of work is not high by supporting leg framework 4 ' middle slip.
In view of this, how to research and develop a kind of simple in structurely, and the high leg structure of functional reliability is the problem that those skilled in the art needs solution badly.
The utility model content
The technical matters that the utility model will solve is for providing a kind of leg structure, and the structure design of this device can be simplified himself structure on the one hand, thereby can reduce the processing and manufacturing cost; Can make that on the other hand respectively saving supporting leg launches and gathering smoothly, thereby can improve the reliability of work.In addition, another technical matters that will solve of the utility model is that a kind of construction machinery and equipment that comprises above-mentioned leg structure is provided.
For solving the problems of the technologies described above, the utility model provides a kind of leg structure, is used for construction machinery and equipment, comprises horizontal support legs;
Said horizontal support legs comprises at least two joint supporting legs, and it is hinged successively respectively to save supporting leg, and is provided with first drive element that drives this adjacent segments supporting leg expansion and fold between any two adjacent joint supporting legs;
Each saves in the supporting leg, and the body of its first segment supporting leg and said construction machinery and equipment is hinged, and is provided with second drive element that drives this first segment supporting leg expansion and fold between the two; And, each save exist at least in the supporting leg one the joint supporting leg be telescopic outrigger.
Preferably, said first drive element comprises first oil cylinder and the connecting rod mechanism that cooperates with this first oil cylinder, is 180 ° of expansion between the adjacent joint supporting leg so that can drive.
Preferably, two adjacent joint supporting legs are defined as first adjacent legs and second adjacent legs respectively, and these two joint supporting legs are articulated in main hinge; Said connecting rod mechanism comprises first rod member and second rod member;
One end of said first oil cylinder and an end of said first rod member are hinged; The other end of said first oil cylinder is articulated in the end of said first adjacent legs away from said main hinge, and the other end of said first rod member is articulated in the end of said second adjacent legs near said main hinge; Said second rod member and said first adjacent legs are hinged near an end of said main hinge, and its other end and said first rod member are hinged.
Preferably, said telescopic outrigger comprises the overcoat arm, is located at and overlaps arm in this overcoat arm in-to-in and can drive the 3rd drive element that said interior cover arm moves in the inside of said overcoat arm.
Preferably, said horizontal support legs comprises two joint supporting legs, is respectively the said first segment supporting leg and the second joint supporting leg, and this second joint supporting leg is said telescopic outrigger.
Preferably, said first segment supporting leg further is articulated in the side of said body near headstock, so that it can be folding to the tailstock one side.
On the basis of existing technology; The horizontal support legs of the leg structure that the utility model provided comprises at least two joint supporting legs; And it is hinged successively respectively to save supporting leg, and is provided with first drive element that drives this adjacent segments supporting leg expansion and fold between any two adjacent joint supporting legs; Each saves in the supporting leg, and the body of its first segment supporting leg and said construction machinery and equipment is hinged, and is provided with second drive element that drives this first segment supporting leg expansion and fold between the two; And, each save exist at least in the supporting leg one the joint supporting leg be telescopic outrigger.
When supporting leg drew in, first drive element and second drive element can move simultaneously or successively, thereby make the first segment supporting leg swing around the hinge on the said body, thereby are folded to a side of said body; In addition, each saves and under the driving of first drive element, takes place between the supporting leg to fold, and all is folded to the outside of this first segment supporting leg.
When supporting leg launched, first drive element and second drive element can move simultaneously or successively, thereby make the first segment supporting leg swing around the hinge on the said body, thereby go out from a side-sway of said body; In addition, each saves between the supporting leg and under the driving of first drive element, launches, thereby has finally realized respectively saving the expansion of supporting leg.
By mentioned earlier, in the utility model, the both sides of body are not that the supporting leg framework is set; But each joint of horizontal support legs drives down at the corresponding driving parts, is folded to successively in the side of said body or gone out by a side-sway of this body, and be not to be stretched out or regained by slip in the supporting leg framework; Thereby one side has been simplified self structure; Reduce the processing and manufacturing cost, can make that on the other hand respectively saving supporting leg can launch and draw in smoothly, improved the reliability of work.
In addition, for solving the problems of the technologies described above, the utility model also provides a kind of leg structure, is used for construction machinery and equipment, comprises horizontal support legs, and this horizontal support legs includes only the first segment supporting leg;
Said first segment supporting leg is articulated on the body of said construction machinery and equipment, and is provided with second drive element that drives this first segment supporting leg expansion and fold between the two;
And this first segment supporting leg is a telescopic outrigger.
The technique effect of this leg structure is identical with technique effect mentioned above, repeats no more at this.
Moreover for solving the problems of the technologies described above, the utility model also provides a kind of construction machinery and equipment, comprises body; Said construction machinery and equipment comprises that also said first segment supporting leg is articulated on the said body like above-mentioned each described leg structure.
Preferably, said body comprises capstan head, and said first segment supporting leg is articulated on the said capstan head;
Said capstan head is provided with the supporting leg placement space in the side that this first segment supporting leg is installed, and said second drive element can drive this first segment supporting leg swing and be folded in this supporting leg placement space.
Preferably, said capstan head is provided with depressed part in the side that this first segment supporting leg is installed, and said depressed part forms said supporting leg placement space.
Preferably, said horizontal support legs is the presylvian fissure leg, and the quantity of this presylvian fissure leg is two; Said construction machinery and equipment also comprises two back horizontal support legs that are articulated on the said capstan head;
In said presylvian fissure leg of the homonymy of said capstan head and the distance of said back horizontal support legs between the hinge on the said capstan head, greater than the distance of two presylvian fissure legs between the hinge on the said capstan head.
The technique effect of this project machinery is identical with technique effect mentioned above, repeats no more at this.
Description of drawings
Fig. 1 is the structural representation of the supporting leg of a kind of leg structure of prior art when drawing in;
Fig. 2 is the structural representation of leg structure when supporting leg launches among Fig. 1;
Fig. 3 is the structural representation of leg structure when supporting leg draws among a kind of embodiment of the utility model;
Fig. 4 is the structural representation of leg structure when supporting leg launches among Fig. 3;
Fig. 5 is the structural representation of leg structure when horizontal support legs draws among Fig. 3 and Fig. 4;
Structural representation when Fig. 6 is deployed into to a certain degree for the horizontal support legs among Fig. 5;
Structural representation when Fig. 7 launches for the horizontal support legs among Fig. 5 fully.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 and Fig. 2:
1 ' capstan head;
2 ' presylvian fissure leg; 2 ' 1 first segment supporting legs; 2 ' 2 second joint supporting legs; 2 ' 3 the 3rd joint supporting legs; 2 ' 4 the 4th joint supporting legs;
3 ' back horizontal support legs;
4 ' supporting leg framework.
Corresponding relation among Fig. 3 to Fig. 7 between Reference numeral and the component names is:
1 capstan head; 11 depressed parts;
2 first drive elements; 21 first oil cylinders; 22 connecting rod mechanisms; 221 first rod members; 222 second rod members;
3 presylvian fissure legs; 31 first segment supporting legs; 31a master's hinge; 32 second joint supporting legs; 321 overcoat arms; Cover arm in 322;
4 second drive elements;
5 back horizontal support legs;
6 vertical supporting legs.
The specific embodiment
The core of the utility model is for providing a kind of leg structure, and the structure design of this device can be simplified himself structure on the one hand, thereby can reduce the processing and manufacturing cost; Can make that on the other hand respectively saving supporting leg launches and gathering smoothly, thereby can improve the reliability of work.In addition, another core of the utility model is that a kind of construction machinery and equipment that comprises above-mentioned leg structure is provided.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of leg structure when supporting leg draws among a kind of embodiment of the utility model; Fig. 4 is the structural representation of leg structure when supporting leg launches among Fig. 3.
In one embodiment, like Fig. 3 and shown in Figure 4, the leg structure that the utility model provided is used for construction machinery and equipment, comprises horizontal support legs; Horizontal support legs comprises at least two joint supporting legs, and it is hinged successively respectively to save supporting leg, and is provided with first drive element 2 that drives this adjacent segments supporting leg expansion and fold between any two adjacent joint supporting legs.
On the basis of said structure, like Fig. 3 and shown in Figure 4, each saves in the supporting leg, and its first segment supporting leg 31 is with hinged with the body of said construction machinery and equipment, and second drive element 4 that is provided with this first segment supporting leg 31 expansion of driving between the two and folds; And, each save exist at least in the supporting leg one the joint supporting leg be telescopic outrigger.
When supporting leg drew in, as shown in Figure 3, first drive element 2 and second drive element 4 can move simultaneously or successively, thereby make first segment supporting leg 31 swing around the hinge on the said body, thereby are folded to a side of said body; In addition, each saves and under the driving of first drive element 2, takes place between the supporting leg to fold, and all is folded to the outside of this first segment supporting leg 31.
When supporting leg launched, as shown in Figure 4, first drive element 2 and second drive element 4 can move simultaneously or successively, thereby make first segment supporting leg 31 swing around the hinge on the said body, thereby go out from a side-sway of said body; In addition, each saves between the supporting leg and under the driving of first drive element 2, launches, thereby has finally realized respectively saving the expansion of supporting leg.
By preceding text, in the utility model, the both sides of said body are not that the supporting leg framework is set; But the supporting leg that respectively saves of horizontal support legs drives down at the corresponding driving parts, is folded to a side of said body successively or launched by a side oscillation of this body, and be not to be stretched out or regained by slip in the supporting leg framework; Thereby one side has been simplified self structure; Reduce the processing and manufacturing cost, can make that on the other hand respectively saving supporting leg can launch and draw in smoothly, improved the reliability of work.
Understandable, the support leg device expansion mode of this structure is flexible, can adjust the start point between every adjacent two arms joint arbitrarily, and cooperates the expanding-contracting action of telescopic outrigger, is convenient to find on construction ground the proper supporting point; And each arm joint of supporting leg can be swung simultaneously, and this has practiced thrift the run duration that horizontal support legs launches or shrinks greatly, has improved the work efficiency of construction machinery and equipment.
Particularly, like Fig. 3 and shown in Figure 4, first segment supporting leg 31 further is articulated in the side of said body near headstock, so that it can be folding to the tailstock one side.It is folding that this kind structure design can make first segment supporting leg 31 realize more easily, and can be convenient to the setting of second drive element 4.
Need to prove that in technique scheme, the utility model is a presylvian fissure leg 3 for horizontal support legs, still back horizontal support legs 5 is not made restriction; Thereby presylvian fissure leg 3 no matter, still back horizontal support legs 5, as long as adopt the said structure design, just all should be within the protection domain of the utility model.
On the basis of technique scheme, can also make concrete design to first drive element 2.Particularly, like Fig. 5, Fig. 6 and shown in Figure 7, Fig. 5 is the structural representation of leg structure when horizontal support legs draws among Fig. 3 and Fig. 4; Structural representation when Fig. 6 is deployed into to a certain degree for the horizontal support legs among Fig. 5; Structural representation when Fig. 7 launches for the horizontal support legs among Fig. 5 fully.
First drive element 2 comprises first oil cylinder 21 and the connecting rod mechanism 22 that cooperates with this first oil cylinder 21, is 180 ° of expansion between the adjacent joint supporting leg so that can drive.This first oil cylinder 21 cooperates with connecting rod mechanism 22, can 180 ° of expansion thereby can make between the adjacent segments supporting leg, thereby can further improve span, guarantee the stability of construction machinery and equipment car load.
Particularly; Two adjacent joint supporting legs are defined as first adjacent legs and second adjacent legs respectively, and are particularly, extremely shown in Figure 7 like Fig. 5; Comprise at horizontal support legs on the basis of two joint supporting legs; Can define first segment supporting leg 31 is first adjacent legs, and the second joint supporting leg 32 is second adjacent legs, and is provided with main hinge 31a between these two supporting legs; Certainly, the quantity of the joint supporting leg that comprises when horizontal support legs is during greater than two joints, and any two adjacent joint supporting legs all can be defined as above-mentioned first adjacent legs and second adjacent legs.In addition, to shown in Figure 7, connecting rod mechanism 22 comprises first rod member 221 and second rod member 222 like Fig. 5.
On said structure design-calculated basis; Extremely shown in Figure 7 like Fig. 5; One end of one end of first oil cylinder 21 and first rod member 221 is hinged; The other end of first oil cylinder 21 is articulated in the end of first adjacent legs away from main hinge 31a, and the other end of first rod member 221 is articulated in the end of second adjacent legs near main hinge 31a; Second rod member 222 and first adjacent legs are hinged near the end of main hinge 31a, and its other end and first rod member 221 are hinged.
As shown in Figure 5, under the cooperation of this first oil cylinder 21 and connecting rod mechanism 22, horizontal support legs has been realized folding fully; As shown in Figure 6, under the cooperation of this first oil cylinder 21 and connecting rod mechanism 22, horizontal support legs has been realized launching to a certain extent; As shown in Figure 7, under the cooperation of this first oil cylinder 21 and connecting rod mechanism 22, horizontal support legs has been realized 180 ° of expansion completely; Hence one can see that, and the concrete design of above-mentioned first oil cylinder 21 and connecting rod mechanism 22 has realized the expansion fully of horizontal support legs and folding fully easily, and simple in structure, and manufacturing cost is lower.
On the basis of above-mentioned any technical scheme, can also make concrete design to the structure of telescopic outrigger.
Like Fig. 6 and shown in Figure 7, telescopic outrigger comprises overcoat arm 321, is located at and overlaps arm 322 in these overcoat arm 321 in-to-ins and can drive the 3rd drive element that move the interior inside of overlapping arm 322 its external sleeve arms 321.This kind structure design has been realized the flexible of supporting leg easily, and flexible reliability is higher.
In addition, like Fig. 6 and shown in Figure 7, in technique scheme, specifically the design level supporting leg comprises two joint supporting legs, comprise the first segment supporting leg 31 and the second joint supporting leg 32, and the end of the second joint supporting leg is connected with vertical supporting leg 6; On the basis of this structure, like Fig. 6 and shown in Figure 7, the second joint supporting leg 32 can be telescopic outrigger; Certainly, can first segment supporting leg 31 be telescopic outrigger also, like this, the second joint supporting leg 32 is connected with the interior cover arm of first segment supporting leg 31; And when the quantity of joint supporting leg saved greater than two, arbitrary joint supporting leg all can be telescopic outrigger, and the utility model does not limit this, and the flexible joint number of telescopic outrigger is not limited yet.
In addition, the utility model also provides a kind of leg structure, is used for construction machinery and equipment, comprises horizontal support legs, and this horizontal support legs includes only first segment supporting leg 31; On the body of these first segment supporting leg 31 hinged said construction machinery and equipments, and be provided with second drive element 4 that drives this first segment supporting leg 31 expansion and fold between the two; And this first segment supporting leg 31 is a telescopic outrigger.The technique effect of this leg structure is identical with the technique effect of preceding text, repeats no more at this.
Need to prove, this kind leg structure and the leg structure of preceding text unique different be that in this kind technical scheme, horizontal support legs only comprises first segment supporting leg 31; And the structure design of telescopic outrigger and the hinge-point on the body all can be suitable in this kind leg structure in the structure near a side of headstock in the preceding text.
Moreover the utility model also provides a kind of construction machinery and equipment, comprises body; This project machinery comprises that also first segment supporting leg 31 is articulated on the body like the leg structure among above-mentioned any embodiment.
Particularly, in one embodiment, like Fig. 3 and shown in Figure 4, this project machinery can be concrete pump truck, and on this basis, said body comprises capstan head 1, and first segment supporting leg 31 is articulated on the capstan head 1; And further, capstan head 1 is provided with the supporting leg placement space in the side that this first segment supporting leg 31 is installed, and second drive element 4 can drive these first segment supporting leg 31 swings and be folded in this supporting leg placement space.
In the utility model; The both sides of capstan head 1 are not that the supporting leg framework is set, but the supporting leg placement space is set, and horizontal support legs respectively saves supporting leg under the corresponding driving parts drive simultaneously; Be folded to successively in this supporting leg placement space or and launch by this supporting leg placement space swing; And be not stretch out by sliding in the supporting leg framework or regains, thereby one side simplified self structure, reduced the processing and manufacturing cost; Can make that on the other hand respectively saving supporting leg can launch and draw in smoothly, improve the reliability of work.
Need to prove that the construction machinery and equipment that the utility model provided is not limited to concrete pump truck; Obviously, in engineering machinery field, every employing leg structure is used to enlarge the construction machinery and equipment of Area of bearing on the ground; As long as adopt the leg structure that the utility model provided; Just all should be within the protection domain of the utility model, such as, this project machinery also can be hoisting crane.
On the basis of said structure, can make further design.Particularly, like Fig. 3 and shown in Figure 4, capstan head 1 is provided with depressed part 11 in the side that this first segment supporting leg 31 is installed, and depressed part 11 forms the supporting leg placement space.This kind structure design on the basis of the general structure that does not change capstan head 1, forms the supporting leg placement space easily and when drawing in, also makes and become compact more between capstan head 1 and the supporting leg.
Like Fig. 3 and shown in Figure 4, in technique scheme, can specifically set horizontal support legs is presylvian fissure leg 3, and its quantity is two; And said construction machinery and equipment also comprises two back horizontal support legs 5 that are articulated on the capstan head 1; On this basis, like Fig. 3 and shown in Figure 4, in the homonymy presylvian fissure leg 3 and the distance h 1 of back horizontal support legs 5 between the hinge on the capstan head 1 of capstan head 1, greater than the distance h 2 of two presylvian fissure legs 3 between the hinge on the capstan head 1.
Adopt this structure design; Soon the distance between the strong point of the back horizontal support legs 5 of the strong point of presylvian fissure leg 3 and its homonymy is provided with bigger; When concrete pump truck in that its left and right sides degree of dip is bigger when waiting in other extreme terrain environment operation; Presylvian fissure leg 3 that can it is one-sided launches with back horizontal support legs 5; And the presylvian fissure leg 3 of opposite side still keeps folded state with back horizontal support legs 5, thereby realizes one-sided support function, has avoided can't realizing one-sided support defective because the presylvian fissure leg of homonymy and back horizontal support legs distance are too near in the prior art; Further enlarge the range of use of concrete pump truck, strengthened its working stability and reliability.
More than construction machinery and equipment and leg structure thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (11)
1. a leg structure is used for construction machinery and equipment, comprises horizontal support legs; It is characterized in that,
Said horizontal support legs comprises at least two joint supporting legs, and it is hinged successively respectively to save supporting leg, and is provided with first drive element (2) that drives this adjacent segments supporting leg expansion and fold between any two adjacent joint supporting legs;
Each saves in the supporting leg, and its first segment supporting leg (31) is hinged with the body of said construction machinery and equipment, and is provided with second drive element (4) that drives this first segment supporting leg (31) expansion and fold between the two; And, each save exist at least in the supporting leg one the joint supporting leg be telescopic outrigger.
2. leg structure according to claim 1 is characterized in that, said first drive element (2) comprises first oil cylinder (21) and the connecting rod mechanism (22) that cooperates with this first oil cylinder (21), is 180 ° of expansion between the adjacent joint supporting leg so that can drive.
3. like the said leg structure of claim 2, it is characterized in that two adjacent joint supporting legs are defined as first adjacent legs and second adjacent legs respectively, and these two joint supporting legs are articulated in main hinge (31a); Said connecting rod mechanism (22) comprises first rod member (221) and second rod member (222);
One end of one end of said first oil cylinder (21) and said first rod member (221) is hinged; The other end of said first oil cylinder (21) is articulated in the end of said first adjacent legs away from said main hinge (31a), and the other end of said first rod member (221) is articulated in the end of said second adjacent legs near said main hinge (31a); Said second rod member (222) is hinged near an end of said main hinge (31a) with said first adjacent legs, and its other end and said first rod member (221) are hinged.
4. leg structure according to claim 1; It is characterized in that said telescopic outrigger comprises overcoat arm (321), is located at and overlaps arm (322) in this overcoat arm (321) in-to-in and can drive the 3rd drive element that said interior cover arm (322) moves in the inside of said overcoat arm (321).
5. like each said leg structure of claim 1 to 4, it is characterized in that said horizontal support legs comprises two joint supporting legs, be respectively the said first segment supporting leg (31) and the second joint supporting leg (32), and this second joint supporting leg (32) is said telescopic outrigger.
6. like each said leg structure of claim 1 to 4, it is characterized in that said first segment supporting leg (31) further is articulated in the side of said body near headstock, so that it can be folding to the tailstock one side.
7. a leg structure is used for construction machinery and equipment, comprises horizontal support legs, and this horizontal support legs includes only first segment supporting leg (31); It is characterized in that,
Said first segment supporting leg (31) is articulated on the body of said construction machinery and equipment, and is provided with second drive element (4) that drives this first segment supporting leg (31) expansion and fold between the two;
And this first segment supporting leg (31) is a telescopic outrigger.
8. a construction machinery and equipment comprises body; It is characterized in that said construction machinery and equipment comprises that also said first segment supporting leg (31) is articulated on the said body like each described leg structure of claim 1 to 7.
9. construction machinery and equipment as claimed in claim 8 is characterized in that, said body comprises capstan head (1), and said first segment supporting leg (31) is articulated on the said capstan head (1);
Said capstan head (1) is provided with the supporting leg placement space in the side that this first segment supporting leg (31) is installed, and said second drive element (4) can drive this first segment supporting leg (31) swing and be folded in this supporting leg placement space.
10. construction machinery and equipment as claimed in claim 9 is characterized in that, said capstan head (1) is provided with depressed part (11) in the side that this first segment supporting leg (31) is installed, and said depressed part (11) forms said supporting leg placement space.
11. like claim 9 or 10 described construction machinery and equipments, it is characterized in that,
Said horizontal support legs is presylvian fissure leg (3), and the quantity of this presylvian fissure leg (3) is two; Said construction machinery and equipment also comprises two back horizontal support legs (5) that are articulated on the said capstan head;
In said presylvian fissure leg of the homonymy of said capstan head (1) (3) and the distance of said back horizontal support legs (5) between the hinge on the said capstan head (1), greater than the distance of two presylvian fissure legs (3) between the hinge on the said capstan head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205417179U CN202413740U (en) | 2011-12-21 | 2011-12-21 | Engineering machine and support leg structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205417179U CN202413740U (en) | 2011-12-21 | 2011-12-21 | Engineering machine and support leg structure thereof |
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| CN202413740U true CN202413740U (en) | 2012-09-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490696A (en) * | 2011-12-21 | 2012-06-13 | 三一重工股份有限公司 | Engineering machine and supporting leg structure thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490696A (en) * | 2011-12-21 | 2012-06-13 | 三一重工股份有限公司 | Engineering machine and supporting leg structure thereof |
| WO2013091329A1 (en) * | 2011-12-21 | 2013-06-27 | 湖南三一智能控制设备有限公司 | Engineering machinery and stabilizer structure thereof |
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Granted publication date: 20120905 |