CN203946069U - A kind of leg structure and concrete pump truck - Google Patents
A kind of leg structure and concrete pump truck Download PDFInfo
- Publication number
- CN203946069U CN203946069U CN201420310439.XU CN201420310439U CN203946069U CN 203946069 U CN203946069 U CN 203946069U CN 201420310439 U CN201420310439 U CN 201420310439U CN 203946069 U CN203946069 U CN 203946069U
- Authority
- CN
- China
- Prior art keywords
- shrouding
- side board
- stud
- plate
- vertical muscle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model relates to a kind of leg structure and concrete pump truck, wherein, leg structure comprises and passes through left side board, right side board, cover plate, base plate, the section variable box body structure that front shrouding and rear shrouding form, the direction of the cross-sectional area of described body structure along described front shrouding to described rear shrouding reduces gradually, in described body structure, be provided with reinforcing plate structure, described reinforcing plate structure comprises the vertical muscle parallel with described cover plate, the both sides of described vertical muscle are connected with right side board with described left side board respectively, on described vertical muscle, be vertically provided with stud, the both sides of described stud are connected with right side board with described left side board respectively.The utility model can effectively improve the load-carrying capacity of leg structure, when reducing supporting leg weight, prevents leg structure generation flexing unstability.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of leg structure and concrete pump truck.
Background technology
Concrete pump truck is widely used in capital construction scene, and concrete pump truck pumping height constantly increases in recent years, due to the restriction of car load bearing capacity, requires significantly expendable weight of pump truck framing member.For large-scale long-armed class formation parts such as picture pumping vehicle arm rack, supporting legs, light-weight design easily causes buckling structure, causes potential safety hazard.Concrete pump truck rear support leg is generally single-beam leg swinging structure, and the form that project organization is variable section is beneficial to carrying.In light-weight design application process, easily there is flexing unstability in position at structural mutation or different thickness of slab interfaces place etc. to supporting leg.
Existing pump truck rear support leg structure is mainly welded into body structure by the large span plate of the rules such as side plate, cover plate, shrouding.The weak part of body structure adopts to be increased thickness of slab or carrys out lift structure load-carrying capacity by the form of local welding brace panel.Because the span of leg structure is large,, when plate carries out light-weight design, easily there is local structure flexing unstable phenomenon in inner hollow, makes leg structure lose load-carrying capacity, easily causes great potential safety hazard in pump truck work progress.
Utility model content
For the problems referred to above, the purpose of this utility model is to propose a kind of leg structure and concrete pump truck, and it can effectively improve the load-carrying capacity of leg structure, when reducing supporting leg weight, prevents leg structure generation flexing unstability.
For achieving the above object, the utility model provides a kind of leg structure, it comprises and passes through left side board, right side board, cover plate, base plate, the section variable box body structure that front shrouding and rear shrouding form, the direction of the cross-sectional area of described body structure along described front shrouding to described rear shrouding reduces gradually, in described body structure, be provided with reinforcing plate structure, described reinforcing plate structure comprises the vertical muscle parallel with described cover plate, the both sides of described vertical muscle are connected with right side board with described left side board respectively, on described vertical muscle, be vertically provided with stud, the both sides of described stud are connected with right side board with described left side board respectively.
In a preferred or optional embodiment, described vertical muscle comprises short vertical muscle and the long vertical muscle that the direction along described front shrouding to described rear shrouding connects successively, described stud comprises the first stud and the second stud, described the first stud is arranged on the medium position of described short vertical muscle, described the second stud is arranged on the end of described short vertical muscle, and is connected with the end of the vertical muscle of described length simultaneously.
In a preferred or optional embodiment, described cover plate comprises the first cover plate, the second cover plate and the 3rd cover plate that the direction along described front shrouding to described rear shrouding connects successively, and described base plate comprises the first base plate, the second base plate and the 3rd base plate that the direction along described front shrouding to described rear shrouding connects successively.
In a preferred or optional embodiment, described reinforcing plate structure is arranged in described body structure and the position of close described cover plate, and described the first stud and the second stud are separately positioned on the both sides of described the first cover plate and described the second cover plate docking location.
In a preferred or optional embodiment, described length is indulged on muscle, short vertical muscle, the first stud and the second stud and is provided with lightening hole.
In a preferred or optional embodiment, described front shrouding comprises the first front shrouding, the second front shrouding and the 3rd front shrouding setting gradually, between described the first front shrouding and the second front shrouding, be provided with the first otic placode, between described the second front shrouding and the 3rd front shrouding, be provided with the second otic placode, the upper ear plate arranging on described the first otic placode and described cover plate is adaptive, and the lower ear plate arranging on described the second otic placode and described base plate is adaptive.
In a preferred or optional embodiment, the width of described left side board and the width of described the right side board all direction along described front shrouding to described rear shrouding reduce gradually; At described left side board and described right side board, near one end of described front shrouding, between described the first otic placode and described the second otic placode, side plate is set, between described the first otic placode and described upper ear plate, and between described the second otic placode and described lower ear plate, side plate is not set.
In a preferred or optional embodiment, on described rear shrouding, be provided with lightening hole, described rear shrouding top is provided with hanger.
In a preferred or optional embodiment, the position near described rear shrouding in described body structure is provided with dividing plate, and described dividing plate is connected with described base plate, left side board and right side board.
For achieving the above object, the utility model also provides a kind of concrete pump truck, and it comprises the leg structure in above-mentioned arbitrary embodiment.
Based on technique scheme, the utility model at least has following beneficial effect:
The utility model adopts easy plate to form body structure, and in body structure inside, reinforcing plate structure is set, and can effectively improve the load-carrying capacity of leg structure, when reducing supporting leg weight, prevents leg structure generation flexing unstability.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
The overall schematic of the leg structure that Fig. 1 provides for the utility model;
The first decomposition texture schematic diagram of the leg structure that Fig. 2 provides for the utility model;
The second decomposition texture schematic diagram of the leg structure that Fig. 3 provides for the utility model;
The structural representation of inner gusset in the leg structure that Fig. 4 provides for the utility model.
In accompanying drawing:
1-left side board; 2-base plate; 3-otic placode; Shrouding before 4-; 5-right side board; 6-cover plate; The short vertical muscle of 7-; 8-stud; The long vertical muscle of 9-; 10-dividing plate; Shrouding after 11-;
201-the first base plate; 202-the second base plate; 203-the 3rd base plate; 301-upper ear plate; 302-the first otic placode; 303-the second otic placode; 304-lower ear plate; The front shrouding of 401-first; The front shrouding of 402-second; 403-the 3rd front shrouding; 601-the first cover plate; 602-the second cover plate; 603-the 3rd cover plate; 801-the first stud; 802-the second stud.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
As Figure 1-3, the schematic diagram of one illustrative examples of the leg structure providing for the utility model, in this illustrative examples, leg structure comprises by left side board 1, right side board 5, cover plate 6, base plate 2, the section variable box body structure that front shrouding 4 and rear shrouding 11 form, the direction of the cross-sectional area of body structure along front shrouding 4 to rear shrouding 11 reduces gradually, in body structure, be provided with reinforcing plate structure, reinforcing plate structure comprises the vertical muscle parallel with cover plate 6, the both sides of vertical muscle are connected with right side board 5 with left side board 1 respectively, on vertical muscle, be vertically provided with stud, the both sides of stud are connected with right side board 5 with left side board 1 respectively.
The leg structure that the utility model provides adopts the body structure inside of main body that the form of reinforcing plate structure is set, and has promoted the anti-flexion capabilities of leg structure, has solved the local easily problem of flexing of leg structure.
As shown in Figure 4, in above-mentioned illustrative examples, vertical muscle can comprise short vertical muscle 7 and the long vertical muscle 9 that the direction along front shrouding to rear shrouding 11 connects successively, and the length of long vertical muscle 9 is greater than the length of short vertical muscle 7.Stud can comprise that the first stud 801 and the second stud 802, the first studs 801 can be arranged on the medium position of short vertical muscle 7, and the second stud 802 can be arranged on the end of short vertical muscle 7, and can be connected with the end of long vertical muscle 9 simultaneously.
As shown in Figure 3, in above-mentioned illustrative examples, cover plate 6 can comprise the first cover plate 601, the second cover plate 602 and the 3rd cover plate 603 that the direction along front shrouding 4 to rear shrouding 11 connects successively, and base plate 2 can comprise the first base plate 201, the second base plate 202 and the 3rd base plate 203 that the direction along front shrouding 4 to rear shrouding 11 connects successively.
In above-mentioned illustrative examples, reinforcing plate structure can be arranged in body structure and the position of close cover plate 6, and the first stud 801 and the second stud 802 can be separately positioned on the both sides of the first cover plate 601 and the second cover plate 602 docking locations.In this illustrative examples, the first stud 801 is vertically arranged on short vertical muscle 7, the second stud 802 and short vertical muscle 7 are vertically connected with the end of long vertical muscle 9, and the first stud 801 and the second stud 802 be arranged on welding place of two different thicknesss of slab of cover plate, local stiffness that can lift structure.
In above-mentioned illustrative examples, on long vertical muscle 9, short vertical muscle 7, the first stud 801 and the second stud 802, all can be provided with lightening hole.Long vertical muscle 9, short vertical muscle 7, the first stud 801 and the second stud 802 are welded into an integral structure, and all have lightening hole heavy in section, lightweight construction on long vertical muscle 9, short vertical muscle 7, the first stud 801 and the second stud 802.
In above-mentioned illustrative examples, front shrouding 4 can comprise the first front shrouding 402 of front shrouding 401, second and the 3rd front shrouding 403 setting gradually.The position that body structure is positioned at front shrouding 4 is provided with otic placode 3, and otic placode 3 can comprise the first otic placode 302 and the second otic placode 303, and upper ear plate 301 is on the cover board set and is arranged on the lower ear plate 304 on base plate.
Wherein, the first otic placode 302 can be arranged between the first front shrouding 401 and the second front shrouding 402, the second otic placode 303 can be arranged between the second front shrouding 402 and the 3rd front shrouding 403, the first otic placode 302 can with upper ear plate 301 adaptations that arrange on cover plate 6, the second otic placode 303 can with lower ear plate 304 adaptations that arrange on base plate 2.
In above-mentioned illustrative examples, the width of the width of left side board 1 and the right side board 5 all direction along front shrouding 4 to rear shrouding 11 reduces gradually, left side board 1 and right side board 5 all can arrange and be " protruding " font near the end of front shrouding 4, that is: between the first otic placode 302 and the second otic placode 303, side plate can be set, between the first otic placode 302 and upper ear plate 301, and between the second otic placode 303 and lower ear plate 304, side plate can be set.
In above-mentioned illustrative examples, on rear shrouding 11, can be provided with lightening hole, the top of rear shrouding 11 can be provided with for lifting by crane the hanger of installation.
In above-mentioned illustrative examples, the position near rear shrouding 11 in body structure can also be provided with dividing plate 10, and dividing plate 10 can be connected with base plate 2, left side board 1 and right side board 5.
The setting up procedure of leg structure one illustrative examples that the utility model provides can be: first, the first base plate 201, the second base plate 202 and the 3rd base plate 203 are welded together; Left side board 1 and right side board 5 are welded on to the both sides of base plate 2; Short vertical muscle 7 and long vertical muscle 9 are welded on respectively on left side board 1 and right side board 5; The first stud 801 is welded on the medium position of short vertical muscle 7, and the second stud 802 is welded on the end of short vertical muscle 7, and the second stud 802 also with the end weld together of long vertical muscle 9, the first stud 801 is connected left side board 1 and right side board 5 with the second stud 802; The first cover plate 601, the second cover plate 602 and the 3rd cover plate 603 are welded on left side board 1 and right side board 5, and mutually join end to end, form section variable box body structure; The first stud 801 and the second stud 802 are welded on respectively the both sides of the first cover plate 601 and the second cover plate 602 butt welds, dividing plate 10 and the 3rd base plate 203, left side board 1 and right side board 5 weld togethers; Finally, the front and back end position that front shrouding the 402, the 3rd front shrouding 403 of the first front shrouding 401, second, upper ear plate 301, the first otic placode 302, the second otic placode 303, lower ear plate 304, rear shrouding 11 and accessory structure thereof is welded on to whole leg structure, forms a sealing variable cross-section box type leg structure that includes reinforcing plate structure.
In this body structure, short vertical muscle 7, long vertical muscle 9, the first stud 801 and the second stud 802 are arranged to be similar to " Lv " shape, make the reinforcing plate structure of body structure inside form an Integral connection structure, and local structure are cut off into semiclosed chamber.
The leg structure that the utility model provides can promote integrally-built load-carrying capacity in supporting leg lightweight setting up procedure, prevents that the buckling failure phenomenon of local structure from occurring.
The leg structure that this practicality provides can be arranged on cement concrete crane, as the rear support leg of cement concrete crane.
The cement concrete crane that the utility model provides, comprises the leg structure in above-mentioned arbitrary embodiment, and it possesses the beneficial effect of leg structure accordingly.
In description of the present utility model; it will be appreciated that; use the words such as " first ", " second ", " the 3rd " to limit parts; be only used to be convenient to above-mentioned parts to distinguish; as there is no a Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Wherein, the form that arranges, magnitude setting, the placement position of vertical muscle and stud, and the opening form of lightening hole etc., all can change to some extent according to actual conditions.Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a leg structure, it is characterized in that: comprise the section variable box body structure forming by left side board, right side board, cover plate, base plate, front shrouding and rear shrouding, the direction of the cross-sectional area of described body structure along described front shrouding to described rear shrouding reduces gradually, in described body structure, be provided with reinforcing plate structure, described reinforcing plate structure comprises the vertical muscle parallel with described cover plate, the both sides of described vertical muscle are connected with right side board with described left side board respectively, on described vertical muscle, be vertically provided with stud, the both sides of described stud are connected with right side board with described left side board respectively.
2. leg structure as claimed in claim 1, it is characterized in that: described vertical muscle comprises short vertical muscle and the long vertical muscle that the direction along described front shrouding to described rear shrouding connects successively, described stud comprises the first stud and the second stud, described the first stud is arranged on the medium position of described short vertical muscle, described the second stud is arranged on the end of described short vertical muscle, and is connected with the end of the vertical muscle of described length simultaneously.
3. leg structure as claimed in claim 2, it is characterized in that: described cover plate comprises the first cover plate, the second cover plate and the 3rd cover plate that the direction along described front shrouding to described rear shrouding connects successively, described base plate comprises the first base plate, the second base plate and the 3rd base plate that the direction along described front shrouding to described rear shrouding connects successively.
4. leg structure as claimed in claim 3, it is characterized in that: described reinforcing plate structure is arranged in described body structure and the position of close described cover plate, and described the first stud and the second stud are separately positioned on the both sides of described the first cover plate and described the second cover plate docking location.
5. leg structure as claimed in claim 2, is characterized in that: described length is indulged on muscle, short vertical muscle, the first stud and the second stud and is provided with lightening hole.
6. leg structure as claimed in claim 1, it is characterized in that: described front shrouding comprises the first front shrouding, the second front shrouding and the 3rd front shrouding setting gradually, between described the first front shrouding and the second front shrouding, be provided with the first otic placode, between described the second front shrouding and the 3rd front shrouding, be provided with the second otic placode, the upper ear plate arranging on described the first otic placode and described cover plate is adaptive, and the lower ear plate arranging on described the second otic placode and described base plate is adaptive.
7. leg structure as claimed in claim 6, is characterized in that: the width of described left side board and the width of described the right side board all direction along described front shrouding to described rear shrouding reduce gradually; At described left side board and described right side board, near one end of described front shrouding, between described the first otic placode and described the second otic placode, side plate is set, between described the first otic placode and described upper ear plate, and between described the second otic placode and described lower ear plate, side plate is not set.
8. leg structure as claimed in claim 1, is characterized in that: on described rear shrouding, be provided with lightening hole, described rear shrouding top is provided with hanger.
9. leg structure as claimed in claim 1, is characterized in that: the position near described rear shrouding in described body structure is provided with dividing plate, and described dividing plate is connected with described base plate, left side board and right side board.
10. a cement concrete crane, is characterized in that: comprise the leg structure as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310439.XU CN203946069U (en) | 2014-06-11 | 2014-06-11 | A kind of leg structure and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310439.XU CN203946069U (en) | 2014-06-11 | 2014-06-11 | A kind of leg structure and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946069U true CN203946069U (en) | 2014-11-19 |
Family
ID=51888125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420310439.XU Active CN203946069U (en) | 2014-06-11 | 2014-06-11 | A kind of leg structure and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203946069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824078A (en) * | 2020-07-17 | 2020-10-27 | 三一汽车制造有限公司 | Support leg device and work vehicle |
-
2014
- 2014-06-11 CN CN201420310439.XU patent/CN203946069U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824078A (en) * | 2020-07-17 | 2020-10-27 | 三一汽车制造有限公司 | Support leg device and work vehicle |
| CN111824078B (en) * | 2020-07-17 | 2022-03-22 | 三一汽车制造有限公司 | Support leg device and work vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210707818U (en) | Hull segmentation turn-over frame | |
| CN203946069U (en) | A kind of leg structure and concrete pump truck | |
| CN202897882U (en) | Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle | |
| CN202440020U (en) | Container and bottom cross beam thereof | |
| CN205000631U (en) | Reinforcing apparatus of outer shear force wall aluminum mould toe riser | |
| CN202936888U (en) | H-shaped beam and H-shaped column main axis joint | |
| CN104310185A (en) | Supporting-free double-truss structure | |
| CN203238842U (en) | H-shaped steel beam | |
| CN205113290U (en) | Aluminum alloy semitrailer supports connecting device | |
| CN204727481U (en) | A kind of connection structure of crane cab | |
| CN204867941U (en) | Assembly welding equipment of curved surface apron | |
| CN203485703U (en) | Mine car V-shaped propelling rod structure | |
| CN201971757U (en) | Box body of in-situ mixed loading vehicle for explosives | |
| CN203361469U (en) | Butting structure of box type columns or box type beams | |
| CN206917061U (en) | A kind of steel construction assembled wallboard | |
| CN204714340U (en) | Crane portal frame | |
| CN204847843U (en) | Hoist traveling carriage bearing structure | |
| CN204873511U (en) | Embedded trolley frame of two roof beam hoists | |
| CN204475669U (en) | A kind of heavy in section box column | |
| CN207580089U (en) | Superstructure longitudinal side wall new structure pattern at a kind of replenishment gantry | |
| CN203666807U (en) | Cab framework of mining dump truck and cab of mining dump truck | |
| CN205113445U (en) | Jiayouche frame structure | |
| CN204940651U (en) | The roof structure of underground passage entrance | |
| CN203582287U (en) | Fixed support leg and crane | |
| CN201999069U (en) | Construction machinery vehicle body framework structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |