CN203889910U - Landing leg for crane and crane comprising same - Google Patents
Landing leg for crane and crane comprising same Download PDFInfo
- Publication number
- CN203889910U CN203889910U CN201320824522.4U CN201320824522U CN203889910U CN 203889910 U CN203889910 U CN 203889910U CN 201320824522 U CN201320824522 U CN 201320824522U CN 203889910 U CN203889910 U CN 203889910U
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- supporting leg
- carbon fiber
- upper cover
- fiber board
- cover plate
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Abstract
The utility model discloses a landing leg for a crane and a crane comprising the same. The landing leg comprises a first element and a second element, wherein the density of the first element is larger than that of the second element, the strength of the second element is larger than that of the first element, and the first element and the second element are mutually fixed. According to the utility model, the strength requirement on the landing leg of the crane can be met and the weight of the landing leg of the crane can be effectively reduced.
Description
Technical field
The utility model relates to weight-lifting equipment, particularly relates to a kind of hoisting crane with supporting leg and comprises the hoisting crane of this supporting leg.
Background technology
The supporting leg of hoisting crane generally comprises movable supporting legs and fixed supporting leg at present, is mainly subject to the effect of pulling force.In the place that tensile stress is large, paste brace panel, brace panel and supporting leg are by being welded to connect, and supporting leg and brace panel are all steel material.
But this leg structure is due to the reinforcement steel plate pasting, and steel density is large, causes supporting leg deadweight very large, is unfavorable for the lightweight of crane structure.In addition, entirely stretch under operating mode the distortion of this leg structure larger, rigidity has much room for improvement, and is being unfavorable for that operating mode hangs the phenomenon that easily occurs " soft leg " while carrying.
Summary of the invention
The technical matters that the utility model mainly solves is to provide a kind of hoisting crane with supporting leg and comprises the hoisting crane of this supporting leg, can meet crane support requirement of strength, can effectively alleviate crane support weight again.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of hoisting crane supporting leg is provided, described supporting leg comprises the first element and the second element, the density of described the first element is greater than the density of the second element, the intensity of described the second element is greater than the intensity of the first element, and described the first element and the second element interfix.
Wherein, described supporting leg also comprises three element, wherein: the side plate (2) that described the first element is the described supporting leg that consists of steel plate, described the second element is carbon fiber board (3), the upper cover plate (1) that described three element is the described supporting leg that consists of steel plate, one end of described upper cover plate (1) is vertical fixing with one end of described side plate (2), and the surface laminating of the outer surface of described side plate (2) and described carbon fiber board (3) is fixing; Or described the first element upper cover plate (1) that is the described supporting leg that formed by steel plate, described the second element is carbon fiber board (3), the side plate (2) that described three element is the described supporting leg that consists of steel plate, one end of described upper cover plate (1) is vertical fixing with one end of described side plate (2), and the upper surface of described upper cover plate (1) and the laminating of the surface of described carbon fiber board are fixing.
Wherein, described carbon fiber board (3) is fixing with described upper cover plate (1) or described side plate (2) by glue disjunctor (4).
Wherein, described glue disjunctor (4) comprises sequentially stacked coat of paint (41), paint primer layer (42), one-component PU glue-line (43), paint primer layer (44) and cramic coat (45), wherein, described coat of paint (41) is attached at described upper cover plate (1) or described side plate (2) back to the one side of paint primer layer (42), and described cramic coat (45) is attached at described carbon fiber board (3) back to the one side of paint primer layer (44).
Wherein, the thickness of described one-component PU glue-line (43) is 1.4～1.8mm.
Wherein, described carbon fiber board (3) is provided with metal bead (5) back to a side of described upper cover plate (1) or described side plate (2), and extend in described carbon fiber board (3) at described metal bead (5) two ends, to be fixed on described upper cover plate (1) or described side plate (2).
Wherein, described metal bead (5) is spaced many.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of hoisting crane is provided, and described hoisting crane comprises supporting leg, and described supporting leg is above-mentioned supporting leg.
The beneficial effects of the utility model are: the situation that is different from prior art, the utility model crane support comprises the first element and the second element interfixing, wherein the first component density is greater than the density of the second element, and the intensity of the second element is greater than the intensity of the first element.By such mode, can, so that the supporting leg of hoisting crane can meet structural strength requirement, can effectively alleviate supporting leg weight again.
Accompanying drawing explanation
Fig. 1 is the front view of supporting leg for a kind of hoisting crane that provides of the utility model embodiment;
Fig. 2 is that hoisting crane of the present utility model while arranging carbon fiber board with supporting leg, along the section-drawing of the direction of A-A shown in Fig. 1 on side plate;
Fig. 3 is the enlarged diagram of the structure I part in Fig. 2;
Fig. 4 is that hoisting crane of the present utility model while arranging carbon fiber board with supporting leg, along the section-drawing of the direction of A-A shown in Fig. 1 on upper cover plate;
Fig. 5 is the front view of supporting leg for the another kind of hoisting crane that provides of the utility model embodiment;
Fig. 6 is that the utility model is along the section-drawing of the A-A direction in Fig. 5;
Fig. 7 is that the utility model is along the section-drawing of the B-B direction in Fig. 5.
The specific embodiment
The hoisting crane that the utility model embodiment provides comprises the first element and the second element with supporting leg, and the density of the first element is greater than the density of the second element, and the intensity of the second element is greater than the intensity of the first element, and the first element and the second element interfix.By such mode, can, so that the supporting leg of hoisting crane can meet structural strength requirement, can effectively alleviate supporting leg weight again.
Wherein, the first element can be upper cover plate or the side plate of crane support, the upper cover plate of the crane support that present embodiment provides or side plate are steel plate materials, the second element is that the density that arranges on crane support is less than the reinforcement structure that the first element and intensity are greater than the first element, wherein, this reinforcement structure can be arranged on the side plate or upper cover plate of crane support, certainly, also can be arranged on upper cover plate and side plate simultaneously.In order to realize, the second component density is less than the first element and intensity is greater than the first element, and preferably, in the situation that the first element adopts steel plate materials, the second element can adopt carbon fiber board.Certainly, also can adopt other the material structure that can realize this effect.
Refer to Fig. 1 and Fig. 2, Fig. 1 is the front view of supporting leg for a kind of hoisting crane that provides of the utility model embodiment, Fig. 2 is the section-drawing along the A-A direction of Fig. 1, the hoisting crane of present embodiment comprises upper cover plate 1 and side plate 2 with supporting leg, and in present embodiment, upper cover plate 1 and side plate 2 are all steel materials.Wherein, on side plate 2, be provided with carbon fiber board 3, when carbon fiber board being set on side plate, along the section-drawing of A-A direction as Fig. 2.
Wherein, one end of upper cover plate 1 is vertical fixing with one end of side plate 2, and when carbon fiber board 3 being set on side plate, the laminating of the surface of the outer surface of side plate 2 and carbon fiber board 3 is fixing.
Preferably, on two relative side plates 2, be all provided with carbon fiber board 3.
Wherein, carbon fiber board 3 can be fixing by various ways and side plate 2.Such as welding, rivet connect etc.
The utility model is wherein in a kind of preferred implementation, and carbon fiber board 3 is fixing with side plate 2 by glue disjunctor 4.
Please further consult Fig. 3, wherein, Fig. 3 is the enlarged diagram of the structure I part in Fig. 2, glue disjunctor 4 comprises sequentially stacked coat of paint 41, paint primer layer 42, one-component PU glue-line 43, paint primer layer 44 and cramic coat 45, wherein, coat of paint 41 is attached at side plate 2 back to the one side of paint primer layer 42, and cramic coat 45 is attached at carbon fiber board 3 back to the one side of paint primer layer 44.
Preferably, the THICKNESS CONTROL of one-component PU glue-line 43 is between 1.4～1.8mm.
In the possible implementation of another kind, also carbon fiber board 3 can be set on upper cover plate 1, when carbon fiber board 3 being set on upper cover plate 1, along the section-drawing of the A-A direction shown in Fig. 1 as shown in Figure 4, the laminating of the surface of the upper surface of upper cover plate 1 and carbon fiber board 3 is fixing.
As a kind of implementation being more preferably, can on upper cover plate 1 and side plate 2, carbon fiber board 3 be all set, at this time, the laminating of the surface of the upper surface of upper cover plate 1 and wherein a carbon fiber board 3 is fixing, and the surface laminating of the outer surface of side plate 2 and another carbon fiber board 3 is fixing.
Wherein, carbon fiber board 3 can be fixing by various ways and upper cover plate 1.Such as welding, rivet connect etc.
The utility model is wherein in a kind of preferred implementation, and carbon fiber board 3 is fixing with upper cover plate 1 by glue disjunctor 4.Wherein the concrete structure of glue disjunctor 4 catches up with that to state described in Fig. 3 the structure of glue disjunctor basically identical, when upper cover plate 1 is fitted fixedly by glue disjunctor 4 with carbon fiber board 3, the coat of paint 41 of glue disjunctor 4 is attached at the upper surface of upper cover plate 1 back to the one side of paint primer layer 42, cramic coat 45 is attached at carbon fiber board 3 back to the one side of paint primer layer 44.
Upper surface described above and outer surface, be to be all as the criterion and to be described with the view shown in Fig. 2 and Fig. 4, on other view basis, can be also other form of presentation.
Wherein, when upper cover plate and/or side plate and carbon fiber board glued joint by glue disjunctor, treatment process there are certain requirements.First, reply upper cover plate and/or side plate carry out pretreatment, and wherein pretreating process comprises polishing, cleaning, oiling enamelled coating; Secondly, the thickness of the one-component PU glue of glue disjunctor should be controlled between 1.4～1.8mm, and all operations should carry out at normal temperatures.
Please further consult 5 to Fig. 7, Fig. 5 is the front view of supporting leg for the another kind of hoisting crane that provides of the utility model embodiment, and the supporting leg of present embodiment to arrange carbon fiber board on supporting leg side plate.Fig. 6 is the section-drawing along the A-A direction in Fig. 5, and Fig. 7 is the section-drawing along the B-B direction in Fig. 5.As a kind of implementation being more preferably, in present embodiment, carbon fiber board 3 is fixed with upper cover plate 1 and/or side plate 2 by glue disjunctor 4 and the mode of metal bead 5 combinations.
Carbon fiber board 3 is provided with metal bead 5 back to a side of upper cover plate 1 and/or side plate 2, and metal bead 5 two ends extend in carbon fiber board 3, to be fixed on upper cover plate 1 and/or side plate 2.
Wherein, metal bead 5 can be spaced many.
Metal bead 5 in the utility model can be any one or more bonding jumper, such as iron bar, steel bar etc.
In the utility model embodiment, upper cover plate and/or side plate can be fixed by glueing joint or glued joint the mode and the carbon fiber board that add press strip, can effectively avoid like this strengthening part in prior art by welding manner, to connect supporting leg " soft leg " phenomenon causing.
Certainly, the fixing mode of upper cover plate and/or side plate and carbon fiber board is not limited to this two kinds of modes, can also be that other anyly can realize fixing form.
In embodiment of the present utility model, for supporting leg manufacturing cost, consider, all control the length that is shorter in length than upper cover plate 1 or side plate 2 of carbon fiber board 3, can when guaranteeing supporting leg intensity, alleviate supporting leg weight and supporting leg manufacturing cost like this.Certainly, in possible implementation, also can the length setting of carbon fiber board 3 is identical with the length of side plate 2 or upper cover plate 1.
Although carbon fiber board is less and intensity ratio steel are large than common iron density, but crane support should not all adopt carbon fibre material, because carbon fibre material price is far above steel, if supporting leg all adopts carbon fibre material, the cost of whole supporting leg can sharply increase.In addition, with regard to current crane support, complete in carbon fibre material, also can increase the difficulty of processing, therefore, the utility model adopts carbon fibre material as strengthening structure, when controlling supporting leg cost, crane support requirement of strength can either be met, crane support weight can be effectively alleviated again.
Based on above-mentioned the technical solution of the utility model, the utility model brings following beneficial effect: 1, the intensity of carbon fibre material is much larger than common iron, unidirectionally can be greater than 1500MPa, and carbon fibre material density is steel 1/5, therefore leg structure requirement of strength can either be met, supporting leg weight can be effectively alleviated again; 2, the version of carbon fibre material is various, can to steel/carbon fiber composite structure, be optimized design flexibly as requested; 3, the forming process of carbon fiber board has tens of kinds, and is mostly maturation process, reduces supporting leg forming process difficulty; 4, carbon fibre material has good corrosion stability and fatigue property, thereby can solve preferably corrosion and the tired surrender of leg structure.
The hoisting crane providing at the utility model embodiment is with on the basis of supporting leg, and the utility model embodiment further provides a kind of hoisting crane, and this hoisting crane comprises the supporting leg in the above-mentioned arbitrary embodiment of the utility model.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a hoisting crane supporting leg, it is characterized in that, described supporting leg comprises the first element and the second element, the density of described the first element is greater than the density of the second element, the intensity of described the second element is greater than the intensity of the first element, described the first element and the second element interfix, described supporting leg also comprises three element, wherein: the side plate (2) that described the first element is the described supporting leg that consists of steel plate, described the second element is carbon fiber board (3), the upper cover plate (1) that described three element is the described supporting leg that consists of steel plate, one end of described upper cover plate (1) is vertical fixing with one end of described side plate (2), the surface laminating of the outer surface of described side plate (2) and described carbon fiber board (3) is fixing, or described the first element upper cover plate (1) that is the described supporting leg that formed by steel plate, described the second element is carbon fiber board (3), the side plate (2) that described three element is the described supporting leg that consists of steel plate, one end of described upper cover plate (1) is vertical fixing with one end of described side plate (2), and the upper surface of described upper cover plate (1) and the laminating of the surface of described carbon fiber board are fixing.
2. supporting leg according to claim 1, is characterized in that, described carbon fiber board (3) is fixing with described upper cover plate (1) or described side plate (2) by glue disjunctor (4).
3. supporting leg according to claim 2, it is characterized in that, described glue disjunctor (4) comprises sequentially stacked coat of paint (41), paint primer layer (42), one-component PU glue-line (43), paint primer layer (44) and cramic coat (45), wherein, described coat of paint (41) is attached at described upper cover plate (1) or described side plate (2) back to the one side of paint primer layer (42), and described cramic coat (45) is attached at described carbon fiber board (3) back to the one side of paint primer layer (44).
4. supporting leg according to claim 3, is characterized in that, the thickness of described one-component PU glue-line (43) is 1.4～1.8mm.
5. supporting leg according to claim 1, it is characterized in that, described carbon fiber board (3) is provided with metal bead (5) back to a side of described upper cover plate (1) or described side plate (2), and extend in described carbon fiber board (3) at described metal bead (5) two ends, to be fixed on described upper cover plate (1) or described side plate (2).
6. supporting leg according to claim 5, is characterized in that, described metal bead (5) is spaced many.
7. a hoisting crane, described hoisting crane comprises supporting leg, it is characterized in that, described supporting leg is the supporting leg described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824522.4U CN203889910U (en) | 2013-12-12 | 2013-12-12 | Landing leg for crane and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824522.4U CN203889910U (en) | 2013-12-12 | 2013-12-12 | Landing leg for crane and crane comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203889910U true CN203889910U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320824522.4U Expired - Fee Related CN203889910U (en) | 2013-12-12 | 2013-12-12 | Landing leg for crane and crane comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203889910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998315A (en) * | 2021-10-29 | 2022-02-01 | 东风汽车底盘系统有限公司 | Logistics support structure for rolling wheel |
-
2013
- 2013-12-12 CN CN201320824522.4U patent/CN203889910U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998315A (en) * | 2021-10-29 | 2022-02-01 | 东风汽车底盘系统有限公司 | Logistics support structure for rolling wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20161212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |