CN103896164A - Stretching support leg and construction machinery - Google Patents
Stretching support leg and construction machinery Download PDFInfo
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- CN103896164A CN103896164A CN201210570369.7A CN201210570369A CN103896164A CN 103896164 A CN103896164 A CN 103896164A CN 201210570369 A CN201210570369 A CN 201210570369A CN 103896164 A CN103896164 A CN 103896164A
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- supporting legs
- movable supporting
- tilting
- supporting leg
- telescopic outrigger
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Abstract
The present invention discloses a stretching support leg and construction machinery, wherein the stretching support leg comprises: a movable support provided with a stretching mechanism, and an obliquely-arranged support leg box provided for accommodate the movable support leg and arranged on the frame of the construction machinery, wherein the movable support leg is connected with the obliquely-arranged support leg box through the stretching mechanism, and the extending direction of the movable support leg and the vehicle direction of the construction machinery form a Y shape. The stretching support leg has characteristics of simple structure, convenient arrangement and effective vehicle rear stability increase.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of telescopic outrigger and be provided with the construction machinery and equipment of this telescopic outrigger.
Background technology
At present, in car hosit product, medium and small tonnage hoisting crane adopts H type structure conventionally, and large-tonnage and super-tonnage crane adopt oscillating support leg structure conventionally.
Wherein, as shown in Figure 1, it shows the structure of H type supporting leg, the vertical setting of vehicle frame 1 of H type supporting leg 10 and hoisting crane, but the leg structure of H type is subject to the constraint such as rear overhang and departure angle, rear support leg from return distance and be restricted.
In addition, as shown in Figure 2, it shows the structure of oscillating support leg, and in figure, oscillating support leg 20 self-swinging supporting leg casees stretch and swing with respect to vehicle frame 1.But due to the impact such as vehicle bridge and tire, oscillating support leg is arranged more difficult.
Summary of the invention
In view of this, the present invention proposes a kind of convenient telescopic outrigger and construction machinery and equipment of arranging simple in structure, can effectively increase car load rear stability.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of telescopic outrigger, this telescopic outrigger comprises: movable supporting legs, is provided with telescoping mechanism; For receiving the tilting supporting leg case of described movable supporting legs, be arranged on vehicle frame; Wherein, described movable supporting legs is connected with described tilting supporting leg case by described telescoping mechanism, and the direction of stretching out of described movable supporting legs becomes Y type with the vehicle body direction of described construction machinery and equipment.
Further, in said apparatus, described movable supporting legs comprises: supporting leg body and supporting mechanism thereof; Wherein, described supporting mechanism is configured in one end away from described vehicle frame while stretching out, and described supporting mechanism comprises: Vertical Cylinders and leg disc, and one end of described Vertical Cylinders is connected with described movable supporting legs, and the other end is connected with described leg disc.
Further, in said apparatus, described movable supporting legs comprises: left movable supporting legs and right movable supporting legs; Wherein, described left movable supporting legs and described right movable supporting legs, shrinking back to below the vehicle frame of construction machinery and equipment time, stack up and down and arrange or place in same level.
Further, in said apparatus, described tilting supporting leg case comprises: left tilting supporting leg case and/or right tilting supporting leg case.
Further, in said apparatus, described movable supporting legs is classification movable supporting legs, and the rank of described classification movable supporting legs is more than one.
Further, in said apparatus, described classification movable supporting legs comprises: one-level movable supporting legs, and its one end is connected with described tilting supporting leg case; Secondary movable supporting legs, is connected with the other end of described one-level movable supporting legs; Wherein, between described one-level movable supporting legs and described tilting supporting leg case, between described one-level movable supporting legs and described secondary movable supporting legs, be provided with telescoping mechanism.
Further, in said apparatus, described telescoping mechanism is telescopic oil cylinder; Or described telescoping mechanism is telescopic oil cylinder and limiting stopper; Or described telescoping mechanism is telescopic oil cylinder and mechanical transmission mechanism.
Further, in said apparatus, between described one-level movable supporting legs and described tilting supporting leg case, be provided with telescopic oil cylinder between described one-level movable supporting legs and described secondary movable supporting legs; Or, between described tilting supporting leg case and described secondary movable supporting legs, be provided with telescopic oil cylinder, between described one-level movable supporting legs and described secondary movable supporting legs, be provided with limiting stopper; Or, between described one-level movable supporting legs and described tilting supporting leg case, be provided with telescopic oil cylinder, between described one-level movable supporting legs and described secondary movable supporting legs, be provided with mechanical transmission mechanism.
On the other hand, the present invention also provides a kind of construction machinery and equipment, and this project machinery is provided with above-mentioned telescopic outrigger described in any.
Further, described construction machinery and equipment is hoisting crane.
With respect to prior art, the present invention has following advantage:
Telescopic outrigger of the present invention, by the oblique layout of stretching out of the relative vehicle frame of movable supporting legs for propping works machinery vehicle frame, thereby do not increasing rear overhang length, do not reducing under the prerequisite of departure angle, movable supporting legs is being stretched out under state, its horizontal supporting leg span and longitudinally supporting leg span are strengthened, and can effectively increase car load rear stability.
And, guaranteeing under the prerequisite of stability, adopt telescopic outrigger structure can make to get on the bus after center of gravity and move, thereby can improve the distribution of car load axle load, can improve the performance of passing through of vehicle simultaneously.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of H type supporting leg in correlation technique;
Fig. 2 is the structural representation of oscillating support leg in correlation technique;
Fig. 3 is the structural representation of embodiment of the present invention telescopic outrigger;
Fig. 4 be embodiment of the present invention telescopic outrigger entirely stretch view;
Fig. 5 is the horizontal supporting leg span schematic diagram of embodiment of the present invention telescopic outrigger while entirely stretching state;
Fig. 6 is the full reduced view of embodiment of the present invention telescopic outrigger.
Description of reference numerals
1 vehicle frame
10 H type supporting legs
20 oscillating support legs
2 tilting supporting leg casees
3 one-level movable supporting legs
4 secondary movable supporting legs
5 Vertical Cylinders
51 leg discs
6 cross cylinders
The horizontal supporting leg span of D1
D2 contracted width
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
Basic thought of the present invention is: design a kind of telescopic outrigger structure, do not increasing rear overhang length, do not reducing under the prerequisite of departure angle, movable supporting legs is being stretched out under state, and its horizontal supporting leg span and longitudinally supporting leg span are strengthened, and can effectively increase car load rear stability.And, guaranteeing under the prerequisite of stability, adopt telescopic outrigger structure can make to get on the bus after center of gravity and move, thereby can improve the distribution of car load axle load, can improve the performance of passing through of vehicle simultaneously.
Wherein, laterally supporting leg span is: while entirely stretching state, and the centre distance of left and right supporting leg supporting mechanism.Longitudinally supporting leg span is: while entirely stretching state, and the centre distance of the forward and backward two supporting leg supporting mechanisms of homonymy.
Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
Please refer to Fig. 3, it shows the telescopic outrigger of the present embodiment.Proposing the object of the present embodiment is: do not affecting under the prerequisite of rear overhang and departure angle, increase rear support leg from distance between returning, improve rear stability.And, do not affect that vehicle bridge is travelled and tyre revolution to basis on, convenient make and install supporting leg.
In the present embodiment, this telescopic outrigger comprises: movable supporting legs and tilting supporting leg case 2.Wherein, movable supporting legs is provided with telescoping mechanism.Tilting supporting leg case 2 is arranged on the vehicle frame 1 of construction machinery and equipment, for receiving described movable supporting legs.In the present embodiment, described movable supporting legs is connected with described tilting supporting leg case 2 by described telescoping mechanism, and the direction of stretching out of described movable supporting legs becomes Y type with the vehicle body direction of described construction machinery and equipment.
It should be noted that, the described tilting vehicle body direction out of plumb of stretching out direction and described construction machinery and equipment for described movable supporting legs, and acutangulate.For example: when the rear support leg that is arranged on the tailstock is telescopic outrigger, the direction of stretching out of its movable supporting legs acutangulates with the direction of extending to the tailstock one side.In other words, the direction of stretching out of described movable supporting legs becomes Y type with the vehicle body direction of described construction machinery and equipment.As shown in Figure 4, the direction of stretching out of described movable supporting legs becomes Y type to refer to the vehicle body direction of described construction machinery and equipment: the vehicle body direction angulation a that stretches out direction and described construction machinery and equipment of described movable supporting legs, angle a is acute angle.
Therefore, the telescopic outrigger of the present embodiment adopts the tilting arrangement in space, increases the longitudinal and horizontal supporting leg span of supporting leg, and whole vehicle stability promotes, and can not affect the size of rear overhang length and departure angle.And, the telescopic outrigger of the present embodiment simple in structure, arrangement convenience, do not affect that vehicle bridge is travelled and tyre revolution to, therefore, in meeting stability requirement, adopt the body frame structure for automotive of this telescopic outrigger compacter, lightweight.
In above-described embodiment, described movable supporting legs comprises: supporting leg body and supporting mechanism thereof.Wherein, described supporting mechanism is configured in one end away from described vehicle frame while stretching out.One end of described Vertical Cylinders is connected with described movable supporting legs, and the other end is connected with described leg disc.Described supporting mechanism can comprise: Vertical Cylinders 5 and leg disc 51, one end of Vertical Cylinders 5 is connected with described movable supporting legs.Leg disc 51 is connected with the other end of described Vertical Cylinders 5.Wherein, Vertical Cylinders 5 annexes such as grade play the effect of supporting whole car.
In above-described embodiment, described movable supporting legs can comprise: left movable supporting legs and right movable supporting legs.Wherein, described left movable supporting legs and described right movable supporting legs, shrinking back to below the vehicle frame of construction machinery and equipment time, stack up and down and arrange or place in same level.
It is pointed out that the present embodiment can adopt telescopic outrigger by left and right bilateral, also can one-sided employing telescopic outrigger.But no matter whether all adopt telescopic outrigger, the movable supporting legs of the left and right sides can stack setting up and down, to reduce the space width occupying when movable supporting legs is retracted, to increase supporting leg span, and can meet the requirement of frame width.Certainly,, also can adopt the movable supporting legs of the left and right sides is arranged in same level the less demanding vehicle of supporting leg span for some.
In the various embodiments described above, tilting supporting leg case 2 can comprise: left tilting supporting leg case and/or right tilting supporting leg case.Wherein, left tilting supporting leg case is for receiving the movable supporting legs that is positioned at left side, and right tilting supporting leg case is for receiving the movable supporting legs that is positioned at right side.
Preferably, the left and right sides of vehicle frame is provided with telescopic outrigger, and tilting supporting leg case 2 comprises left tilting supporting leg case and right tilting supporting leg case.For example: by being weldingly connected, supporting leg case inside is divided into two independently casings by the rear support leg case of crane frame and vehicle frame, become after tilting and stretch type alternative arrangement in space.Left and right movable supporting legs is stretched type alternative arrangement after the inner one-tenth of supporting leg case is tilting, is connected and is moved by horizontal telescoping oil cylinder separately.Visible, the telescopic outrigger of employing the present embodiment, changes the rear support leg of hoisting crane into Space Oblique postpone and stretches type layout, and left and right supporting leg is staggered up and down, can either guarantee that telescopic outrigger not super car load under full reduced state is wide, also can not affect rear overhang and departure angle.Meanwhile, when telescopic outrigger is stretched entirely, can increase horizontal and vertical supporting leg span, improve the stability of car load.
Above-mentioned example provides, and construction machinery and equipment is as the rear movable supporting legs employing telescopic outrigger of hoisting crane.Those skilled in the art should be understood that, in the structure of the vehicle bridge of vehicle frame front portion, transmission shaft and arranging and allowing, front movable supporting legs also can adopt above-mentioned any telescopic outrigger, can certainly adopt H type structure or oscillating support leg structure, and the present embodiment does not limit this.
Position, the quantity that it is pointed out that telescopic outrigger be subject to vehicle, capable of hoisting year weight, brachium and hang the impact of the factors such as the amplitude of carrying.Conventionally, for reaching fulcrum balance, meet whole vehicle stability, need to design position and the quantity of telescopic outrigger according to concrete vehicle, operative scenario.
In the various embodiments described above, described movable supporting legs is classification movable supporting legs, and described classification comprises more than one rank, and in other words, the supporting leg progression that described classification movable supporting legs comprises is more than one.For example: the movable supporting legs that classification movable supporting legs is two-stage, can be one-level movable supporting legs and secondary movable supporting legs.
In above-described embodiment, described classification movable supporting legs can comprise: one-level movable supporting legs 3 and secondary movable supporting legs 4, one end of one-level movable supporting legs 3 is connected with described tilting supporting leg case 2, the other end of one-level movable supporting legs 3 and secondary movable supporting legs 4.Wherein, between one-level movable supporting legs 3 and described tilting supporting leg case 2, between described one-level movable supporting legs 3 and described secondary movable supporting legs 4, be provided with telescoping mechanism.
For example: as shown in Figure 3, vehicle frame 1 rear end and supporting leg case 2 are integrally welded, one-level movable supporting legs 3 and secondary movable supporting legs 4 are assemblied in supporting leg case 2, and by telescopic oil cylinder, cross cylinder 6 and other telescoping mechanisms drive one-level movable supporting legs 3 and secondary movable supporting legs 4 to stretch as shown in Figure 3.
It should be noted that, described telescoping mechanism is telescopic oil cylinder; Or described telescoping mechanism is telescopic oil cylinder and limiting stopper; Or described telescoping mechanism is telescopic oil cylinder and mechanical transmission mechanism.
For example: between one-level movable supporting legs 3 and described tilting supporting leg case 2, be provided with telescopic oil cylinder between described one-level movable supporting legs 3 and described secondary movable supporting legs 4.
For another example: between described tilting supporting leg case 2 and described secondary movable supporting legs 4, be provided with telescopic oil cylinder, between described one-level movable supporting legs 3 and described secondary movable supporting legs 4, be provided with limiting stopper.
And for example: between described one-level movable supporting legs 3 and described tilting supporting leg case 2, be provided with telescopic oil cylinder, between described one-level movable supporting legs 3 and described secondary movable supporting legs 4, be provided with mechanical transmission mechanism.
In the various embodiments described above, described mechanical transmission mechanism is steel rope and pulley drive mechanism; Or described mechanical transmission mechanism is gear and rack gear.
Fig. 5 shows the state of entirely stretching of telescopic outrigger, and Fig. 6 shows the full reduced state of telescopic outrigger.Here,, in conjunction with Fig. 5 and Fig. 6, the structure of telescopic outrigger and H type supporting leg, oscillating support leg compare:
I, with the contrast of H type supporting leg
1) in the time entirely stretching state, the horizontal supporting leg span D1 of telescopic outrigger of the present invention and longitudinally supporting leg span (not shown) all have a distinct increment, and car load is stable to be improved.For example: in the situation that H type supporting leg and telescopic outrigger reach same lateral supporting leg span, adopt the vehicle frame of telescopic outrigger, its center of gyration is less than employing H type supporting leg to the distance of the tailstock.Therefore, guaranteeing under the prerequisite of stability, adopting telescopic outrigger structure can make to get on the bus after center of gravity and move, thereby can improve the distribution of car load axle load, can effectively increase car load rear stability, can improve the performance of passing through of vehicle simultaneously.
2) in the time of full reduced state, in to get back to the distance of vehicle frame rear end identical.And the contracted width D2 of the telescopic outrigger after full reduced, can not exceed overall width.
II, with the contrast of oscillating support leg
In the situation that reaching same stable, telescopic outrigger of the present invention is simple in structure, arrangement convenience, low to overall width requirement, and without complex structure as oscillating support leg, difficult arrangement, telescopic outrigger of the present invention is subject to the restriction of the factors such as overall width, overall height, rear overhang relatively little a lot.
In sum, the present invention is changed into movable supporting legs after hoisting crane after tilting and is stretched type leg structure by common H type leg structure, do not increasing rear overhang length and reducing under the prerequisite of departure angle like this, make under state that movable supporting legs stretches out, laterally supporting leg span and longitudinally supporting leg span strengthen, effectively increase car load rear stability, guaranteeing under the prerequisite of stability, the center of gravity of getting on the bus can be moved later, has improved the distribution of car load axle load, has strengthened the performance of passing through of vehicle simultaneously.Wherein, the telescoping mechanism adopting is simple in structure, easy to make, good manufacturability.
Therefore, from the various embodiments described above, can find out, telescopic outrigger of the present invention has following advantage:
1) simple in structure, not affected by rear overhang length and departure angle;
2) arrangement convenience, do not affect vehicle bridge travel and tyre revolution to;
3) while entirely stretching, supporting leg span increases, and whole vehicle stability promotes.
4) under the prerequisite that meets stability requirement, body frame structure for automotive is compacter, lightweight.
On the other hand, the embodiment of the present invention also provides a kind of construction machinery and equipment, for example hoisting crane, this project machinery is provided with above-mentioned any telescopic outrigger, because above-mentioned any telescopic outrigger has above-mentioned technique effect, therefore, the construction machinery and equipment that is provided with this telescopic outrigger also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a telescopic outrigger, is characterized in that, comprising:
Movable supporting legs, is provided with telescoping mechanism;
For receiving the tilting supporting leg case (2) of described movable supporting legs, described tilting supporting leg case (2) is arranged on vehicle frame (1);
Wherein, described movable supporting legs is connected with described tilting supporting leg case (2) by described telescoping mechanism, and the direction of stretching out of described movable supporting legs becomes Y type with the fore-and-aft direction of described vehicle frame (1).
2. telescopic outrigger according to claim 1, is characterized in that, described movable supporting legs comprises: supporting leg body and supporting mechanism thereof; Wherein, described supporting mechanism is configured in one end away from described vehicle frame (1) while stretching out, described supporting mechanism comprises: Vertical Cylinders (5) and leg disc (51), and one end of described Vertical Cylinders (5) is connected with described movable supporting legs, and the other end is connected with described leg disc (51).
3. telescopic outrigger according to claim 1, is characterized in that, described movable supporting legs comprises: left movable supporting legs and right movable supporting legs; Wherein, described left movable supporting legs and described right movable supporting legs, shrinking back to below vehicle frame time, stack up and down and arrange or place in same level.
4. according to the telescopic outrigger described in claims 1 to 3 any one, it is characterized in that, described tilting supporting leg case (2) comprising: left tilting supporting leg case and/or right tilting supporting leg case.
5. telescopic outrigger according to claim 4, is characterized in that, described movable supporting legs is classification movable supporting legs, and the rank of described classification movable supporting legs is more than one.
6. telescopic outrigger according to claim 5, is characterized in that, described classification movable supporting legs comprises:
One-level movable supporting legs (3), its one end is connected with described tilting supporting leg case (2);
Secondary movable supporting legs (4), is connected with the other end of described one-level movable supporting legs (3);
Wherein, between described one-level movable supporting legs (3) and described tilting supporting leg case (2), between described one-level movable supporting legs (3) and described secondary movable supporting legs (4), be provided with telescoping mechanism.
7. telescopic outrigger according to claim 6, is characterized in that, described telescoping mechanism is telescopic oil cylinder; Or described telescoping mechanism is telescopic oil cylinder and limiting stopper; Or described telescoping mechanism is telescopic oil cylinder and mechanical transmission mechanism.
8. telescopic outrigger according to claim 7, is characterized in that,
Between described one-level movable supporting legs (3) and described tilting supporting leg case (2), be provided with telescopic oil cylinder between described one-level movable supporting legs (3) and described secondary movable supporting legs (4); Or,
Between described tilting supporting leg case (2) and described secondary movable supporting legs (4), be provided with telescopic oil cylinder, between described one-level movable supporting legs (3) and described secondary movable supporting legs (4), be provided with limiting stopper; Or,
Between described one-level movable supporting legs (3) and described tilting supporting leg case (2), be provided with telescopic oil cylinder, between described one-level movable supporting legs (3) and described secondary movable supporting legs (4), be provided with mechanical transmission mechanism.
9. a construction machinery and equipment, is characterized in that, this project machinery is provided with according to the telescopic outrigger described in claim 1 to 8 any one.
10. construction machinery and equipment according to claim 9, is characterized in that, described construction machinery and equipment is hoisting crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570369.7A CN103896164A (en) | 2012-12-25 | 2012-12-25 | Stretching support leg and construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570369.7A CN103896164A (en) | 2012-12-25 | 2012-12-25 | Stretching support leg and construction machinery |
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| Publication Number | Publication Date |
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| CN103896164A true CN103896164A (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210570369.7A Pending CN103896164A (en) | 2012-12-25 | 2012-12-25 | Stretching support leg and construction machinery |
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| CN (1) | CN103896164A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817013A (en) * | 2015-05-12 | 2015-08-05 | 南通润邦重机有限公司 | Support leg plate device for port crane |
| CN106276641A (en) * | 2016-08-31 | 2017-01-04 | 徐州重型机械有限公司 | Body frame structure for automotive and crane |
| CN107352484A (en) * | 2017-09-15 | 2017-11-17 | 湖南星邦重工有限公司 | A kind of high-altitude operation vehicle subframe |
| CN113818808A (en) * | 2021-10-21 | 2021-12-21 | 江西东锐机械有限公司 | Bionic type drilling machine chassis assembly |
| CN114506300A (en) * | 2022-03-10 | 2022-05-17 | 江苏徐工工程机械研究院有限公司 | Engineering vehicle supporting leg mechanism, engineering vehicle chassis and engineering vehicle |
-
2012
- 2012-12-25 CN CN201210570369.7A patent/CN103896164A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817013A (en) * | 2015-05-12 | 2015-08-05 | 南通润邦重机有限公司 | Support leg plate device for port crane |
| CN106276641A (en) * | 2016-08-31 | 2017-01-04 | 徐州重型机械有限公司 | Body frame structure for automotive and crane |
| CN106276641B (en) * | 2016-08-31 | 2018-08-28 | 徐州重型机械有限公司 | Body frame structure for automotive and crane |
| CN107352484A (en) * | 2017-09-15 | 2017-11-17 | 湖南星邦重工有限公司 | A kind of high-altitude operation vehicle subframe |
| CN113818808A (en) * | 2021-10-21 | 2021-12-21 | 江西东锐机械有限公司 | Bionic type drilling machine chassis assembly |
| CN114506300A (en) * | 2022-03-10 | 2022-05-17 | 江苏徐工工程机械研究院有限公司 | Engineering vehicle supporting leg mechanism, engineering vehicle chassis and engineering vehicle |
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Application publication date: 20140702 |