CN102582590B - Supporting system and engineering machine with same - Google Patents
Supporting system and engineering machine with same Download PDFInfo
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- CN102582590B CN102582590B CN201210020447.6A CN201210020447A CN102582590B CN 102582590 B CN102582590 B CN 102582590B CN 201210020447 A CN201210020447 A CN 201210020447A CN 102582590 B CN102582590 B CN 102582590B
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- Prior art keywords
- supporting leg
- equipment
- construction machinery
- chassis
- support system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/90—Devices for indicating or limiting lifting moment
- B66C23/905—Devices for indicating or limiting lifting moment electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Jib Cranes (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a supporting system of an engineering machine, which comprises a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg which are arranged on the engineering machine. Additional supporting legs are arranged between the third supporting leg and the fourth supporting leg, and the minimum distance from a ligature of a supporting point of the third supporting leg and a supporting point of the fourth supporting leg to the circumference of a gravity center circle of the engineering machine is shorter than the minimum distance from a ligature of supporting points of each two adjacent of the third supporting leg, the fourth supporting leg and the additional supporting legs to the circumference of the gravity center circle of the engineering machine. By the aid of the additional supporting legs, anti-tipping capacity and supporting capacity of a whole vehicle are improved, and when being shortened, the supporting legs do not need to occupy sites with large site and can keep stability as same as those in the prior art, so that the engineering machine with the supporting system can be operated in limited space and meet construction needs of the narrow sites, and the application range of the engineering machine is widened. The invention further discloses the engineering machine comprising the supporting system.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of support system.The invention still further relates to a kind of construction machinery and equipment with above-mentioned support system.
Background technology
Construction machinery and equipment has support system conventionally, in order to support car load, the car load function such as travel.Take concrete pump truck as example, and its support system generally comprises and is positioned at fixedly four supporting legs of capstan head, and during operation, two supporting legs stretch out forward, and another two supporting legs stretch out backward.
Please refer to Fig. 1, Fig. 1 is the distribution schematic diagram of concrete pump vehicle supporting leg in prior art, also shown is the polygon of supporting leg strong point line formation and the relation of car body stability.
The support system of concrete pump truck is provided with the first front leg strut 11 and the second front leg strut 12, and first rear support leg 13 and the second rear support leg 14, the expansion form of the outrigger arm of supporting leg and expanded angle, length all can be adjusted, to keep the stability of car load, in the design of concrete pump truck, require supporting leg to there is rational version, enough structural mechanical property and actv. and support scope, to guarantee its load-carrying capacity and whole vehicle stability.
In the time of need to supporting, four outrigger arms extend, and reach after Len req, and oil cylinder stretches out, and is supported in ground.The expansion form of four outrigger arms generally has: two front leg strut X-types, two rear support leg oscillating-types; Two front leg strut X-types, two rear support leg H types; Two rear support leg X-types, two front leg struts swing; Two front leg strut V-types, two rear support leg oscillating-types etc.Two front leg strut V-types shown in Fig. 1, can stretch, and two rear support legs can swing, thereby drive supporting leg to move to suitable position, support, and meet stability requirement.
In prior art, concrete pump truck is generally four-point supporting (four supporting leg), according to mechanics principle, during operation, must guarantee that car load center of gravity circle falls within four formed quadrangle bearing surfaces of supporting leg strong point line (quadrangle bearing surface is safety zone), can effectively prevent tumbling of car body, for this reason, each limit of quadrangle and the minor increment in round week of center of gravity all should be greater than zero.In Fig. 1, each limit of quadrangle and the minor increment R1T1 in round week of center of gravity, R2T2, R3T3, R4T4 all should be greater than zero, and when the null state of above-mentioned minor increment is critical conditions stable and that tumble, and this shortest distance parameter is larger, and its stability of strutting system is better.But there is following technical matters in the concrete pump truck of this structure: usually, the jib of concrete pump truck is longer, its corresponding chassis is also longer, the corresponding center of gravity area of a circle increases, for guaranteeing whole vehicle stability, outrigger arm must be longer, and guarantee adjacent supports point links within the round all shortest distances of center of gravity remain on predetermined safe range.Yet, when supporting leg extension elongation is long, need take larger area place, in the situation of ground on the scene limited space, pump truck is not easy to operation; In addition, long outrigger arm must cause the increase of productive costs, and in order to guarantee intensity and the resistance to bending of long outrigger arm, needs to strengthen outrigger arm cross-sectional area, thereby further increased complete vehicle weight and productive costs.
In addition, supporting leg is generally located at the head on chassis, and front leg strut and rear support leg all concentrate on the head on chassis.While stretching out due to outrigger arm, under Action of Gravity Field, certainly exist and upwarp phenomenon (thering is gap between the outer arm of telescopic boom and inner arm), if chassis length is longer, under the Gravitative Loads of chassis, the supporting leg that is positioned at chassis head is difficult to guarantee that chassis afterbody is effectively propped up, thereby is difficult to guarantee the terrain clearance on chassis.
In view of this, how improving the leg structure of support system, make it more stably support car load, is those skilled in the art's technical issues that need to address.
Summary of the invention
Object of the present invention, for a kind of support system is provided, can more stably support car load.Another object of the present invention is to provide a kind of construction machinery and equipment with above-mentioned support system.
For reaching the first object of the present invention, the invention provides a kind of support system of construction machinery and equipment, comprise the first supporting leg, the second supporting leg, the 3rd supporting leg and the 4th supporting leg of being located at described construction machinery and equipment, it is characterized in that, between the 3rd supporting leg, the 4th supporting leg, additional supporting leg is set; The minor increment that links to round week of described construction machinery and equipment center of gravity of the strong point of the 3rd supporting leg, the 4th supporting leg, is less than the minor increment that links to round week of described construction machinery and equipment center of gravity of the adjacent two supporting leg strong points in the 3rd supporting leg, the 4th supporting leg, additional supporting leg.
Preferably, described the first supporting leg, the second supporting leg are located at the front portion of described construction machinery and equipment, and described the 3rd supporting leg, the 4th supporting leg are located at the rear portion of described construction machinery and equipment.
Preferably, the number of described additional supporting leg is two.
Preferably, described construction machinery and equipment comprises chassis and is located at the fixedly capstan head of chassis head, described the first supporting leg, described the second supporting leg are located at fixedly capstan head near headstock one side, the 3rd supporting leg, the 4th supporting leg are located at fixedly on capstan head near the tailstock one side, and described in two, additional supporting leg is located at the afterbody on the chassis of described construction machinery and equipment.
Preferably, described in two, additional supporting leg is the support cylinder of being located at chassis afterbody.
Preferably, described support system comprises the crossbeam that is connected to chassis afterbody, and crossbeam extends along the Width of construction machinery and equipment, and described in two, additional supporting leg is connected to the two ends of described crossbeam.
Preferably, described support system comprises the crossbeam that is connected to chassis afterbody, and crossbeam extends along the Width of construction machinery and equipment, and described crossbeam is box type construction; Described in two, additional supporting leg comprises outrigger arm and the supporting leg of being located at outrigger arm end; Described in two, the outrigger arm of additional supporting leg is all nested in described crossbeam, and described in two, the outrigger arm of additional supporting leg is flexible in opposite directions in described crossbeam.
Preferably, described in two, the flexible axis of the outrigger arm of additional supporting leg is staggered.
In support system in the present invention, between the 3rd supporting leg, the 4th supporting leg, be provided with additional supporting leg, guaranteeing under the prerequisite of load-carrying capacity and stability, the length of each supporting leg can be utilized effectively, and compared to prior art, setting due to additional supporting leg, in the 3rd supporting leg, the 4th supporting leg, additional supporting leg, the ultimate range that the adjacent two supporting leg strong points link to round week of center of gravity increases, so improved anti-tipping ability and the supporting capacity of car load.On the other hand, when construction machinery and equipment the 3rd supporting leg, the 4th leg length reduce, without taking larger area place, also can keep stability same as the prior art, thereby the construction machinery and equipment that makes to have this support system can operation in limited space, meet the construction demand of narrow and small place, make the field of application of construction machinery and equipment more extensive.
For reaching another object of the present invention, the present invention also provides a kind of construction machinery and equipment, has chassis and support system, and described support system is the support system described in above-mentioned any one.
Because above-mentioned support system has above-mentioned technique effect, the construction machinery and equipment with this support system has constructed effect.
Preferably, described construction machinery and equipment is concrete pump, hoisting crane.
Accompanying drawing explanation
Fig. 1 is the distribution schematic diagram of concrete pump vehicle supporting leg in prior art, also shown is the relation of supporting leg strong point line and car body stability;
Fig. 2 is the structure diagram that support system provided by the present invention is applied to the first specific embodiment in construction machinery and equipment, and it is visual angle that this figure be take the head on chassis;
Fig. 3 be take the structural representation that chassis afterbody is visual angle in Fig. 2;
Fig. 4 is the birds-eye view of Fig. 2;
Fig. 5 is the mechanical analysis schematic diagram of Fig. 2;
Fig. 6 is stressed mechanical analysis schematic diagram after the 3rd supporting leg in Fig. 2, the 4th supporting leg contraction in length;
Fig. 7 is the structure diagram that support system provided by the present invention is applied to the second specific embodiment in construction machinery and equipment, and it is visual angle that this figure be take the head on chassis;
Fig. 8 be take the structural representation that chassis afterbody is visual angle in Fig. 7;
Fig. 9 is the birds-eye view of Fig. 7;
Figure 10 is the mechanical analysis schematic diagram of Fig. 7;
Figure 11 is the structure diagram that support system provided by the present invention is applied to the third specific embodiment in construction machinery and equipment, and it is visual angle that this figure be take the head on chassis;
Figure 12 be take the structural representation that chassis afterbody is visual angle in Figure 11;
Figure 13 is the birds-eye view of Figure 11;
Figure 14 is the structure diagram that support system provided by the present invention is applied to the 4th kind of specific embodiment in construction machinery and equipment.
The specific embodiment
Core of the present invention, for a kind of support system is provided, can more stably support car load.Another core of the present invention is to provide a kind of construction machinery and equipment with above-mentioned support system.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structure diagram that support system provided by the present invention is applied to the first specific embodiment in construction machinery and equipment, and it is visual angle that this figure be take the head on chassis; Fig. 3 be take the structural representation that chassis afterbody is visual angle in Fig. 2; Fig. 4 is the birds-eye view of Fig. 2.
The invention provides supporting leg in construction machinery and equipment support system and comprise the first supporting leg 21, the second supporting leg 22 of being located at front portion, be located at the 3rd supporting leg 23 and the 4th supporting leg 24 at rear portion, in order more stably to support, the first supporting leg 21 and the second supporting leg 22 are distributed in 2 both sides, axis, chassis, and the 3rd supporting leg 23 and the 4th supporting leg 24 are distributed in 2 both sides, axis, chassis; Four supporting legs include outrigger arm, and are provided with support cylinder in the end of outrigger arm; In addition, two additional supporting legs are also set at construction machinery and equipment rear portion, the first additional supporting leg 25 and the second additional supporting leg 26 as shown in Figure 2, and the first additional supporting leg 25 and second adds supporting leg 26 and is distributed in 2 both sides, axis, chassis, and braced system is altogether provided with six supporting legs.
Incorporated by reference to Fig. 5, further understand the mechanical analysis schematic diagram that Fig. 5 is Fig. 2.
Owing to being arranged on the supporting leg at construction machinery and equipment rear portion, also comprise two additional supporting legs, support system is 6 supports, six supporting leg strong points successively line form hexagon bearing surface, and the strong point of the 3rd supporting leg 23, the additional supporting leg 25 of the 4th supporting leg 24, first, the second additional supporting leg 26 is followed successively by A, D, C, B.Compared to four-point supporting of the prior art, at two front leg struts and rear portion, chassis two rear support leg length and locations constant in the situation that, the 3rd supporting leg 23 and the 4th supporting leg 24 strong points link to the minor increment in round week of construction machinery and equipment center of gravity, be less than the minor increment that the adjacent two supporting leg strong points in each supporting leg of construction machinery and equipment rear portion link to round week of center of gravity, be O2M < O2N, O2M < O1P, O2M < O3Q, compared to prior art (O2M is equivalent to the R3T3 in Fig. 1), the adjacent supports point that has strengthened the supporting leg of rear vehicle links to the shortest distance in round week of center of gravity, stability is improved.Comparison diagram 1 and Fig. 5, can find out that hexagon has more the area (area of quadrangle ABCD) of dash area S1 than quadrangle.Therefore, even after the increase of the car load center of gravity area of a circle, regulate supporting leg position under the prerequisite that does not increase a leg length, still can be so that center of gravity circle falls within this hexagon bearing surface.The technical program can improve the anti-tipping ability of car load.
Analyze from another point of view, if guarantee, whole vehicle stability is constant, with respect to the four-point supporting of prior art, during 6 supports, the length of outrigger arm can shorten, and please refer to Fig. 6, and Fig. 6 is that in Fig. 2, the 3rd supporting leg 23, the 4th supporting leg 24 shorten rear stressed mechanical analysis schematic diagram.
Known with reference to Fig. 6 and Fig. 1, the 3rd supporting leg 23 of Fig. 6 and the 4th supporting leg 24 shorten certain length, the shortest distance that also can guarantee the round thoughtful strong point line of center of gravity is greater than zero, thereby reduce production costs, (outrigger arm is long, and its moment of flexure of bearing is larger to guarantee the strength and stability of each outrigger arm, upwarping phenomenon also aggravates), and the shortening of outrigger arm has also reduced complete vehicle weight simultaneously, can also reduce oil consumption.While arranging supporting leg, can make the span difference between each supporting leg as far as possible little, the distance between the first supporting leg 21 shown in Fig. 6 and the second supporting leg 22 is that the distance between d1, the 3rd supporting leg 23 and the first supporting leg 21 is that the distance that d2, chassis 2 afterbodys first add supporting leg 25 and the 4th supporting leg 24 is d3.; because the length of the 3rd supporting leg 23, the 4th supporting leg 24 is shorter; during operation; without taking larger area place; also can keep the stable of car load; thereby the construction machinery and equipment that makes to have this support system can operation in limited space, meet the construction demand of narrow and small place, make the field of application of construction machinery and equipment more extensive.
Further, the first supporting leg 21, the second supporting leg 22 all can be located at construction machinery and equipment fixedly on capstan head near a side of headstock, the 3rd supporting leg 23, the 4th supporting leg 24 are all arranged at the side that fixing capstan head is close to the tailstock, in addition, the first additional supporting leg 25 and the second additional supporting leg 26 are located at the afterbody on chassis 2, as shown in Figure 2,3, 4.Be provided with the construction machinery and equipment of center of gyration, its center of gyration is located at the head on chassis 2 conventionally, the center of gravity of car load is partial to head, and the head that supporting leg is positioned at chassis 2 contributes to improve the stability of car load, and in the present invention, the afterbody on chassis 2 is also provided with the first additional supporting leg 25 and the second additional supporting leg 24.The afterbody of in Fig. 2, additional supporting leg being located to chassis 2 contributes to improve the stability of strutting system on whole chassis 2, avoids chassis 2 head supporting legs to upwarp the impact on chassis 2 tail supports, the terrain clearance of chassis whole while guaranteeing operation.
For above-described embodiment, also an additional supporting leg can be only set, support system is 5 supports, certainly, the number of additional supporting leg is preferably two, four, arranges in pairs, makes the symmetrical structure that is arranged as of rear vehicle supporting leg, makes to support more stable.Can expect, the number of supporting leg of being located at rear portion is more, prop up in the certain situation of leg length, the bearing surface area that each supporting leg forms is maximum, (or under identical steadiness, the length of each supporting leg can be shorter), certainly, due to the restriction of complete vehicle weight, therefore two additional supporting legs are set, be comparatively desirable scheme.
Further, the additional supporting leg 25 of shown in Fig. 2 first and the second additional supporting leg 26 are for being directly arranged at two support cylinders of afterbody below, chassis, this kind of supporting leg arrangement takes full advantage of the length on chassis 2, and four supporting legs of chassis 2 heads form the larger polygon of area; And support cylinder is directly supported in the afterbody on chassis 2, without outrigger arm is set, compared to prior art, when improving stability, can also reduce production costs, meanwhile, also there will not be and upwarp phenomenon.Certainly, also can be in chassis 2 afterbody outrigger arm is set, the end of outrigger arm arranges support cylinder, consistent with the 3rd supporting leg 23 of chassis head and the structure of the 4th supporting leg 24, also can realize object of the present invention, but based on above-mentioned analysis, two additional supporting legs are located immediately at the scheme of chassis 2 afterbodys for comparatively optimizing.
Please refer to Fig. 7 to Figure 10, Fig. 7 is the structure diagram that support system provided by the present invention is applied to the second specific embodiment in construction machinery and equipment, and it is visual angle that this figure be take the head on chassis; Fig. 8 be take the structural representation that chassis afterbody is visual angle in Fig. 7; Fig. 9 is the birds-eye view of Fig. 7; Figure 10 is the mechanical analysis schematic diagram of Fig. 7.
In this specific embodiment, the afterbody on chassis 2 is provided with the crossbeam 27 extending along width over sides of car body direction, the beam body that crossbeam 27 arranges perpendicular to chassis 2 axis, and two support cylinders lay respectively at the two ends of crossbeam 27.Compared to the first specific embodiment, distance between two additional supporting legs of these structural chassis 2 afterbodys is lengthened, comparison diagram 6 and Figure 10 can find out, 6 of this technical schemes support the hex area of formation compared to the technical scheme of Fig. 6, have more the area of dash area S2, the shortest distance of the supporting leg strong point line at the round thoughtful rear portion of center of gravity is lengthened, thereby further improves whole vehicle stability.
Please refer to Figure 11 to Figure 13, Figure 11 is the structure diagram that support system provided by the present invention is applied to the third specific embodiment in construction machinery and equipment, and it is visual angle that this figure be take the head on chassis; Figure 12 be take the structural representation that chassis afterbody is visual angle in Figure 11; Figure 13 is the birds-eye view of Figure 11.
This specific embodiment has been done further improvement to the second specific embodiment, crossbeam 27 is body structure, the first additional supporting leg 25 has the first outrigger arm 281 and is positioned at the hold-down arm of the first outrigger arm 281 ends, and the second additional supporting leg 26 has the second outrigger arm 282 and is positioned at the hold-down arm of the second outrigger arm 282 ends.The first outrigger arm 281 and the second outrigger arm 282 are nested in crossbeam 27 and with respect to crossbeam 27 and stretch in opposite directions, i.e. the flexible opposite direction of two outrigger arms.While arranging supporting leg, two supporting legs of chassis 2 afterbodys (being support cylinder) are supported in ground after can stretching out certain distance with the first outrigger arm 281 and the second outrigger arm 282 again, further to strengthen at 6, support the area of a polygon forming, when car load travels, can retract adding supporting leg.As the above analysis, the distance between the additional supporting leg of chassis 2 afterbody two is longer, and the hex area of formation is larger, and the stability of car load is higher.In the second specific embodiment, can obtain this beneficial effect by adding the method for long beam 27 length, yet for meeting the requirement of travelling, the length of crossbeam 27 can not exceed the width of car load, the distance of two additional supporting legs is subject to certain limitation.In this embodiment, the outrigger arm of two additional supporting legs adopts the form of telescopic boom, can meet the width requirement that improves the requirement of stability of strutting system and travelling while simultaneously.Further, the flexible axis of two outrigger arms can stagger, and in crossbeam 27 length certain in the situation that, the flexible amplitude of two outrigger arms is larger.
For above-mentioned all embodiment, the expansion form of each supporting leg can variation.As shown in Figure 2, two front leg struts are that X-type is arranged, two rear support legs of chassis head (the 3rd supporting leg 23 and the 4th supporting leg 24) are hinged with chassis 2, for oscillating-type is arranged; In Fig. 7, two rear support legs of two front leg struts and chassis head are X-type and arrange; In Figure 11, two front leg struts are that X-type is arranged, two rear support legs of chassis head are that oscillating-type is arranged, two rear support legs are that H type is arranged; Can also be with reference to Figure 14, Figure 14 is the structure diagram that support system provided by the present invention is applied to the 4th kind of specific embodiment in construction machinery and equipment, in Figure 14, two front leg struts and two rear support legs are all oscillating-types.Can also make other combined deformation according to actual needs, all can realize object of the present invention.
It should be noted that, in above-described embodiment, the first supporting leg 21 and the second supporting leg 22 are located at front portion, the 3rd supporting leg 23 and the 4th supporting leg 24 are located at rear portion, and will add supporting leg and be located between the 3rd supporting leg 23 and the 4th supporting leg 24, in fact, additional supporting leg also can be located between two front leg struts, or is located between front leg strut and rear support leg, all can reach object of the present invention.
Except above-mentioned support system, the present invention also provides a kind of construction machinery and equipment, has support system and chassis, and described support system is the support system described in above-mentioned arbitrary embodiment.Because above-mentioned support system has above-mentioned technique effect, the construction machinery and equipment with this support system also has identical technique effect, is not repeated herein.Particularly, construction machinery and equipment can be concrete pump truck, hoisting crane etc.
Above a kind of support system provided by the present invention and the construction machinery and equipment with above-mentioned support system are all described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (7)
1. a support system for construction machinery and equipment, comprises the first supporting leg, the second supporting leg, the 3rd supporting leg and the 4th supporting leg of being located at described construction machinery and equipment, it is characterized in that, between the 3rd supporting leg, the 4th supporting leg, additional supporting leg is set; The minor increment that links to round week of described construction machinery and equipment center of gravity of the strong point of the 3rd supporting leg, the 4th supporting leg, is less than the minor increment that links to round week of described construction machinery and equipment center of gravity of the adjacent two supporting leg strong points in the 3rd supporting leg, the 4th supporting leg, additional supporting leg; Described the first supporting leg, the second supporting leg are located at the front portion of described construction machinery and equipment, and described the 3rd supporting leg, the 4th supporting leg are located at the rear portion of described construction machinery and equipment; The number of described additional supporting leg is two; Described construction machinery and equipment comprises chassis and is located at the fixedly capstan head of chassis head, described the first supporting leg, described the second supporting leg are located at fixedly capstan head near headstock one side, the 3rd supporting leg, the 4th supporting leg are located at fixedly on capstan head near the tailstock one side, and described in two, additional supporting leg is located at the afterbody on the chassis of described construction machinery and equipment.
2. the support system of construction machinery and equipment as claimed in claim 1, is characterized in that, described in two, additional supporting leg is the support cylinder of being located at chassis afterbody.
3. the support system of construction machinery and equipment as claimed in claim 2, is characterized in that, described support system comprises the crossbeam that is connected to chassis afterbody, and crossbeam extends along the Width of construction machinery and equipment, and described in two, additional supporting leg is connected to the two ends of described crossbeam.
4. the support system of construction machinery and equipment as claimed in claim 2, is characterized in that, described support system comprises the crossbeam that is connected to chassis afterbody, and crossbeam extends along the Width of construction machinery and equipment, and described crossbeam is box type construction; Described in two, additional supporting leg comprises outrigger arm and the supporting leg of being located at outrigger arm end; Described in two, the outrigger arm of additional supporting leg is all nested in described crossbeam, and described in two, the outrigger arm of additional supporting leg is flexible in opposite directions in described crossbeam.
5. the support system of construction machinery and equipment as claimed in claim 4, is characterized in that, described in two, the flexible axis of the outrigger arm of additional supporting leg is staggered.
6. a construction machinery and equipment, has chassis and support system, it is characterized in that, described support system is the support system described in claim 1-5 any one.
7. construction machinery and equipment as claimed in claim 6, is characterized in that, described construction machinery and equipment is concrete pump, hoisting crane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210020447.6A CN102582590B (en) | 2012-01-29 | 2012-01-29 | Supporting system and engineering machine with same |
| PCT/CN2012/074042 WO2013110223A1 (en) | 2012-01-29 | 2012-04-14 | Support system and engineering machinery having the support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210020447.6A CN102582590B (en) | 2012-01-29 | 2012-01-29 | Supporting system and engineering machine with same |
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| Publication Number | Publication Date |
|---|---|
| CN102582590A CN102582590A (en) | 2012-07-18 |
| CN102582590B true CN102582590B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210020447.6A Active CN102582590B (en) | 2012-01-29 | 2012-01-29 | Supporting system and engineering machine with same |
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| CN (1) | CN102582590B (en) |
| WO (1) | WO2013110223A1 (en) |
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| CN103010179B (en) * | 2012-12-10 | 2015-06-10 | 三一汽车制造有限公司 | Engineering machinery outrigger and concrete pump truck |
| DE102015003982A1 (en) * | 2015-03-26 | 2016-09-29 | Liebherr-Werk Biberach Gmbh | crane tower |
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| CN106706333B (en) * | 2016-12-13 | 2018-12-25 | 北汽福田汽车股份有限公司 | A kind of stability of truck mounted concrete pump test method |
| CN107416173A (en) * | 2017-06-13 | 2017-12-01 | 中国电子科技集团公司第三十八研究所 | A kind of motor driven integration anchoring chassis |
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| CN115028117B (en) * | 2022-06-10 | 2023-04-25 | 湖南中联重科智能高空作业机械有限公司 | Stabilizing device and engineering vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013110223A1 (en) | 2013-08-01 |
| CN102582590A (en) | 2012-07-18 |
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