CN202369293U - Cantilever girder assembly and reinforcing plate - Google Patents
Cantilever girder assembly and reinforcing plate Download PDFInfo
- Publication number
- CN202369293U CN202369293U CN2011204903466U CN201120490346U CN202369293U CN 202369293 U CN202369293 U CN 202369293U CN 2011204903466 U CN2011204903466 U CN 2011204903466U CN 201120490346 U CN201120490346 U CN 201120490346U CN 202369293 U CN202369293 U CN 202369293U
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- China
- Prior art keywords
- brace panel
- cantilever beam
- reinforcing plate
- fixed
- beam assembly
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- 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.)
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Abstract
The utility model discloses a cantilever girder assembly, which comprises a cantilever girder and a reinforcing plate. The cantilever girder comprises a fixed end and a free end. The reinforcing plate comprises a first end and a second end which are oppositely arranged along the length direction of the reinforcing plate, and the reinforcing plate is fixedly arranged on the cantilever girder along the length direction of the reinforcing plate in the manner of attachment. The first end of the reinforcing plate is fixedly arranged at the fixed end of the cantilever girder, the second end of the reinforcing plate is arranged towards the free end of the cantilever girder, and the second end of the reinforcing plate is in an arc shape along the width direction of the reinforcing plate. The utility model also discloses the reinforcing plate. According to the cantilever girder assembly and the reinforcing plate which are disclosed by the utility model, the end part of the reinforcing plate, which faces the free end of the cantilever girder, is designed to be in the arc shape, so that the stress of the reinforcing plate can be effectively dispersed, and therefore, the stress concentration is avoided, welding lines are prevented from cracking and endurance failure, and the structural strength of the root part of the cantilever girder and the integral rigidity of the cantilever girder are enhanced.
Description
Technical field
The utility model relates to mechanical field, particularly relates to a kind of cantilever beam assembly and brace panel.
Background technology
Often use cantilever beam in hoisting crane and Other Engineering and the mechanical equipment, like crane system and the leg system and the rocking arm crane system etc. of wheel crane.Wherein, need bear relatively large stress at the fixed end of cantilever beam, higher to the requirement of strength of structure, generally need strengthen with brace panel the fixed end of cantilever beam.
Fig. 1 to Fig. 6 is the cantilever beam assembly of prior art and the structural representation of brace panel.Fig. 1 is the structural representation of crane system of the hoisting crane of prior art.As shown in Figure 1, crane system comprises arm arm joint 101, brace panel 102 and amplitude oil cylinder 103.When hoisting heavy, this structure forms a kind of cantilever beam structure, and arm arm joint 101 bears very big stress as cantilever beam above its root.
Fig. 2 is the local enlarged diagram of crane system shown in Figure 1.As shown in Figure 2, this brace panel 102 attaches on the surface of being fixed in arm arm joint 101, and the one of which end is fixed in the fixed end of arm arm joint 101, and the other end is towards the free end setting of arm arm joint 101, so that the root of arm arm joint 101 is strengthened.The other end of brace panel 102 bifurcated that is in the shape of the letter V, this reinforcement mode do not consider that stress disperses, and have very big stress concentration at the other end of brace panel 102, cause weld cracking and endurance failure easily.
Fig. 3 is the structural representation of leg system of the hoisting crane of prior art.As shown in Figure 3, leg system comprises chassis frame (not shown), supporting leg 202, brace panel 203, vertical oil cylinder 204 and leg disc 205.The root of supporting leg 202 is connected with the chassis frame of hoisting crane, and support reaction is born at leg disc 205 places, and this structure also is a kind of cantilever beam structure, and supporting leg 202 bears very big stress as cantilever beam above its root.
Fig. 4 is the structural representation of the brace panel of leg system shown in Figure 3.As shown in Figure 4, this brace panel 203 attaches and is fixed on the surface of supporting leg 202, and an end is fixed in the fixed end of chassis frame and supporting leg 202, and the other end is towards the free end setting of supporting leg 202, so that the root of supporting leg 202 is strengthened.The other end of brace panel 203 bifurcated that is in the shape of the letter V, this reinforcement mode do not consider that stress disperses, and have very big stress concentration at the other end of brace panel 203, cause weld cracking and endurance failure easily.
Fig. 5 is the structural representation of rocking arm crane system that is used to turn round lifting of prior art.As shown in Figure 5, the rocking arm crane system comprises base plate 301, column 302, brace panel 303 and revoliving arm 304.Column 302 is fixed on the base plate 301.When hoisting heavy, column 302 bears the load and the moment of flexure application force of vertical direction, and this structure also is a kind of cantilever beam structure, and column 302 bears very big stress as cantilever beam around its root.
Fig. 6 is the structural representation of the brace panel of rocking arm crane system shown in Figure 5.As shown in Figure 6, brace panel 303 attaches and is fixed on the surface of column 302, and an end is fixed on the fixed end of base plate 301 and column 302, and the other end is strengthened with the root of column 302 towards the free end setting of column 302.Brace panel 303 is triangular in shape, and this reinforcement mode does not consider that equally stress disperses, and the very big stress concentration of other end existence at brace panel 303 causes weld cracking and endurance failure easily.In addition, revoliving arm 304 also constitutes a kind of cantilever beam structure, and needs similar brace panel to strengthen equally.
Therefore, need to propose a kind of cantilever beam assembly and brace panel, have very big stress concentration, cause the technical matters of weld cracking and endurance failure easily with the end that solves brace panel in the prior art towards the setting of cantilever beam free end.
Summary of the invention
The technical matters that the utility model mainly solves provides a kind of cantilever beam assembly and brace panel, can effectively disperse the stress of brace panel end.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of cantilever beam assembly is provided, and it comprises cantilever beam and brace panel, and cantilever beam comprises fixed end and free end; Brace panel comprises first end and second end that is oppositely arranged along the length direction of brace panel; Brace panel is fixed on the cantilever beam along the length direction attaching of brace panel, and wherein, first end of brace panel is fixed in the fixed end of cantilever beam; Second end of brace panel is towards the free end setting of cantilever beam, and second end of brace panel is curved along the Width of brace panel.
According to the utility model one preferred embodiment, the cantilever beam assembly is the crane system of hoisting crane, and cantilever beam is the arm arm joint of crane system.
According to the utility model one preferred embodiment, the cantilever beam assembly is the leg system of hoisting crane, and cantilever beam is the fixed supporting leg or the movable supporting legs of leg system.
According to the utility model one preferred embodiment, the cantilever beam assembly is the rocking arm crane system, and cantilever beam is the column or the revoliving arm of rocking arm crane system.
According to the utility model one preferred embodiment, brace panel first end from brace panel in length direction and the defined plane of Width is half fusiformis or reverse U shape to second end of brace panel.
According to the utility model one preferred embodiment, second end of brace panel is circular arc along the Width of brace panel.
According to the utility model one preferred embodiment, the radius of circular arc greater than the maximum width of brace panel 3/8 and less than 1/2 of maximum width.
According to the utility model one preferred embodiment, the cantilever beam assembly further comprises permanent seat, and first end of the fixed end of cantilever beam and brace panel further is fixed on the permanent seat.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of brace panel is provided, and it comprises first end and second end that is oppositely arranged along the length direction of brace panel, and second end of brace panel is curved along the Width of brace panel.
According to the utility model one preferred embodiment, second end of brace panel is circular arc along the Width of brace panel, the radius of circular arc greater than the maximum width of brace panel 3/8 and less than 1/2 of maximum width.
The beneficial effect of the utility model is: the situation that is different from prior art; Cantilever beam assembly of the utility model and brace panel are through being arranged to arc with the end towards the setting of cantilever beam free end of brace panel; The stress of brace panel is effectively disperseed; Avoid stress concentration, prevent weld cracking and endurance failure, improve cantilever beam root structure intensity and cantilever beam integral rigidity.
Description of drawings
Fig. 1 is the structural representation of crane system of the hoisting crane of prior art;
Fig. 2 is the local enlarged diagram of crane system shown in Figure 1;
Fig. 3 is the structural representation of leg system of the hoisting crane of prior art;
Fig. 4 is the structural representation of the brace panel of leg system shown in Figure 3;
Fig. 5 is the structural representation of rocking arm crane system that is used to turn round lifting of prior art;
Fig. 6 is the structural representation of the brace panel of rocking arm crane system shown in Figure 5;
Fig. 7 is the local enlarged diagram according to the cantilever beam assembly of the utility model first embodiment;
Fig. 8 is the structural representation according to the brace panel of the utility model second embodiment;
Fig. 9 is the structural representation according to the brace panel of the utility model the 3rd embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
See also Fig. 7, Fig. 7 is the local enlarged diagram according to the cantilever beam assembly of the utility model first embodiment.The cantilever beam assembly of present embodiment is a crane system shown in Figure 1, specifically comprises arm arm joint 400 and brace panel 410.When hoisting heavy, arm arm joint 400 forms a kind of cantilever beam structure.
Brace panel 410 comprises first end 411 and second end 412 that is oppositely arranged along the length direction of brace panel 410, and brace panel 410 is fixed on the arm arm joint 400 along the length direction attaching of brace panel 410.Wherein, first end 411 of brace panel 410 is fixed on the fixed end of arm arm joint 400, and second end 412 of brace panel 410 is towards the free end setting of arm arm joint 400, and second end 412 of brace panel 410 is curved along the Width of brace panel 410.
In the present embodiment, brace panel 410 first end 411 from brace panel 410 in length direction and the defined plane of Width is half fusiformis to second end 412 of brace panel 410.Further, second end 412 of brace panel 410 is circular arc along the Width of brace panel 410, the radius of this circular arc be preferably greater than brace panel 410 maximum width 3/8 and less than 1/2 of maximum width.In other embodiments, can design the concrete shape of brace panel 410 as required, and can change the radius of circular arc or second end 412 is designed to other arcuate structures.Adopt this shape, the stress of second end 412 of brace panel 410 can effectively disperse along arcuate structure, makes that the stress of brace panel 410 can be too unconcentrated.
See also Fig. 8, Fig. 8 is the structural representation according to the brace panel of the utility model second embodiment.Brace panel 500 can be used for replacing the brace panel 203 in the leg system of the hoisting crane shown in Fig. 3-4.
Brace panel 500 comprises first end 501 and second end 502 that is oppositely arranged along the length direction of brace panel 500, and brace panel 500 is fixed on the root of supporting leg 202 along the length direction attaching of brace panel 500, and this supporting leg 202 can be fixed supporting leg or movable supporting legs.Wherein, first end 501 of brace panel 500 is fixed in the fixed end of supporting leg 202, and first end 501 of the fixed end of supporting leg 202 and brace panel 500 can further be fixed on the chassis frame (not shown).Second end 502 of brace panel 500 is towards the free end setting of supporting leg 202, and curved along the Width of brace panel 500.
In the present embodiment, brace panel 500 first end 501 from brace panel 500 in length direction and the defined plane of Width is half fusiformis to second end 502 of brace panel 500.Further, second end 502 of brace panel 500 is circular arc along the Width of brace panel 500, the radius of this circular arc be preferably greater than brace panel 500 maximum width 3/8 and less than 1/2 of maximum width.In other embodiments, can design the concrete shape of brace panel 500 as required, and can change the radius of circular arc or second end 502 is designed to other arcuate structures.
Adopt this shape, the stress of second end 502 can effectively disperse along arcuate structure, makes that the stress of brace panel 500 can be too unconcentrated.
See also Fig. 9, Fig. 9 is the structural representation according to the brace panel of the utility model the 3rd embodiment.Brace panel 600 can be used for replacing the brace panel 303 in the rocking arm crane system shown in Fig. 5-6.
Brace panel 600 comprises first end 601 and second end 602 that is oppositely arranged along the length direction of brace panel 600, and brace panel 600 is fixed on the column 302 of rocking arm crane system along the length direction attaching of brace panel 600.Wherein, first end 601 of brace panel 600 is fixed in the fixed end of column 302, and first end 601 of the fixed end of column 302 and brace panel 600 can further be fixed on the base plate 301.The free end setting of second end 602 on column 302 of brace panel 600, and second end 602 of brace panel 600 is curved along the Width of brace panel 600.
In the present embodiment, brace panel 600 is reverse U shape from first end 601 to second end 602 in length direction and the defined plane of Width.Second end 602 of brace panel 600 is circular arc along the Width of brace panel 600, the radius of this circular arc be preferably greater than brace panel 600 maximum width 3/8 and less than 1/2 of maximum width.In other embodiments, can design the concrete shape of brace panel 600 as required, and can change the radius of circular arc or second end 602 is designed to other arcuate structures.
Adopt this shape, the stress of second end 602 can effectively disperse along arcuate structure, makes that the stress of brace panel 600 can be too unconcentrated.The brace panel 600 of present embodiment can also be applied on the revoliving arm of rocking arm crane system, and the root of revoliving arm is strengthened.
In the above-described embodiments; With the arm arm joint of crane system, the fixed supporting leg of leg system or the column or the revoliving arm of movable supporting legs and rocking arm crane system is that example is carried out exemplary description to the utility model, but those skilled in the art can expect the brace panel of the utility model is applied in any cantilever beam assembly fully.At this moment; Only need the brace panel attaching is fixed on the cantilever beam; And first end of brace panel and the fixed end of corresponding cantilever beam are fixed or further first end of brace panel and the fixed end and the permanent seat of cantilever beam fixed; Second end towards the free end setting of cantilever beam with brace panel is designed to arc simultaneously, can realize the purpose of the utility model.
By the way; Cantilever beam assembly of the utility model and brace panel are through being arranged to arc with the end towards the setting of cantilever beam free end of brace panel; The stress of brace panel is effectively disperseed; Avoid stress concentration, prevent weld cracking and endurance failure, improve cantilever beam root structure intensity and cantilever beam integral rigidity.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. cantilever beam assembly; It is characterized in that comprise cantilever beam and brace panel, said cantilever beam comprises fixed end and free end; Said brace panel comprises first end and second end that is oppositely arranged along the length direction of said brace panel; Said brace panel is fixed on the said cantilever beam along the length direction attaching of said brace panel, and wherein, first end of said brace panel is fixed in the fixed end of said cantilever beam; Second end of said brace panel is towards the free end setting of said cantilever beam, and second end of said brace panel is curved along the Width of said brace panel.
2. cantilever beam assembly according to claim 1 is characterized in that, said cantilever beam assembly is the crane system of hoisting crane, and said cantilever beam is the arm arm joint of said crane system.
3. cantilever beam assembly according to claim 1 is characterized in that, said cantilever beam assembly is the leg system of hoisting crane, and said cantilever beam is the fixed supporting leg or the movable supporting legs of said leg system.
4. cantilever beam assembly according to claim 1 is characterized in that, said cantilever beam assembly is the rocking arm crane system, and said cantilever beam is the column or the revoliving arm of said rocking arm crane system.
5. cantilever beam assembly according to claim 1 is characterized in that, said brace panel first end from said brace panel in said length direction and the defined plane of said Width is half fusiformis or reverse U shape to second end of said brace panel.
6. cantilever beam assembly according to claim 1 is characterized in that, second end of said brace panel is circular arc along the Width of said brace panel.
7. cantilever beam assembly according to claim 6 is characterized in that, the radius of said circular arc greater than the maximum width of said brace panel 3/8 and less than 1/2 of said maximum width.
8. cantilever beam assembly according to claim 1 is characterized in that, said cantilever beam assembly further comprises permanent seat, and first end of the fixed end of said cantilever beam and said brace panel further is fixed on the said permanent seat.
9. a brace panel is characterized in that, said brace panel comprises first end and second end that is oppositely arranged along the length direction of said brace panel, and second end of said brace panel is curved along the Width of said brace panel.
10. brace panel according to claim 9 is characterized in that, second end of said brace panel is circular arc along the Width of said brace panel, the radius of said circular arc greater than the maximum width of said brace panel 3/8 and less than 1/2 of said maximum width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204903466U CN202369293U (en) | 2011-11-30 | 2011-11-30 | Cantilever girder assembly and reinforcing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204903466U CN202369293U (en) | 2011-11-30 | 2011-11-30 | Cantilever girder assembly and reinforcing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369293U true CN202369293U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204903466U Expired - Lifetime CN202369293U (en) | 2011-11-30 | 2011-11-30 | Cantilever girder assembly and reinforcing plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN202369293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709832A (en) * | 2013-12-11 | 2015-06-17 | 马尼托沃克起重机集团（法国）公司 | A fish plating device for connecting two structural elements of a tower crane |
| CN111764576A (en) * | 2019-04-02 | 2020-10-13 | 上海共革建筑科技发展有限公司 | Cantilever steel beam not associated with main body structure and construction method thereof |
-
2011
- 2011-11-30 CN CN2011204903466U patent/CN202369293U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709832A (en) * | 2013-12-11 | 2015-06-17 | 马尼托沃克起重机集团（法国）公司 | A fish plating device for connecting two structural elements of a tower crane |
| CN104709832B (en) * | 2013-12-11 | 2018-04-03 | 马尼托沃克起重机集团（法国）公司 | For the fish tail board device for two structural details for connecting derrick crane |
| CN111764576A (en) * | 2019-04-02 | 2020-10-13 | 上海共革建筑科技发展有限公司 | Cantilever steel beam not associated with main body structure and construction method thereof |
| CN111764576B (en) * | 2019-04-02 | 2022-04-05 | 上海共革建筑科技发展有限公司 | Cantilever steel beam not associated with main body structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
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| CX01 | Expiry of patent term |