CN203050123U - Arm frame and engineering machinery comprising arm frame - Google Patents
Arm frame and engineering machinery comprising arm frame Download PDFInfo
- Publication number
- CN203050123U CN203050123U CN 201220702807 CN201220702807U CN203050123U CN 203050123 U CN203050123 U CN 203050123U CN 201220702807 CN201220702807 CN 201220702807 CN 201220702807 U CN201220702807 U CN 201220702807U CN 203050123 U CN203050123 U CN 203050123U
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- jib
- interconnecting piece
- web
- hole
- middle interconnecting
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Abstract
The utility model discloses an arm frame and engineering machinery comprising the arm frame, wherein the arm frame (1) comprises a plurality of arm sections (2), the plurality of arm sections (2) are connected in sequence, each arm section (2) comprises a large end (3), a small end (4) and a middle connecting portion (5), each middle connecting portion (5) is used for connecting each large end (3) and each small end (4), and a reinforcing part is arranged at the position, close to the small end (4) of at least one arm section (2), of the middle connecting portion (5) of the at least one arm section (2). Due to the fact that the reinforcing part is arranged at the position, close to each small end, of each middle connecting portion, the stiffness of the middle connecting portions can be reinforced and accordingly bending and deformation can be avoided.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of jib and the engineering machinery that comprises this jib.
Background technology
Many engineering machinery are provided with jib, are example with the concrete mixer, and the jib of different model, length is installed according to different vehicles.Jib is connected and composed successively by a plurality of arm joints usually, and each arm joint comprises stub end, little head end and the middle interconnecting piece that connects stub end and little head end.Wherein, stub end, little head end and middle interconnecting piece all form body structure, and roof and the diapire of this body structure are made of wrapper sheet, and the two side is made of web.The little head end that the two ends of the middle interconnecting piece stub end that connection dimension and rigidity are bigger respectively and size and rigidity are less, thereby in use easily at the position generation bending deformation of the close little head end of middle interconnecting piece.
The utility model content
The purpose of this utility model provides a kind of rigidity of can strengthening to avoid the jib of above-mentioned bending deformation.
To achieve these goals, the utility model provides a kind of jib, wherein, described jib comprises a plurality of arm joints that connect successively, each arm joint comprises stub end, little head end and the middle interconnecting piece that connects described stub end and little head end, and the middle interconnecting piece of at least one arm joint is provided with reinforcement in the position of the little head end that saves near described at least one arm.
Preferably, the position of the little head end of close described at least one arm joint of the web of the middle interconnecting piece of described at least one arm joint is provided with through hole, and described reinforcement is to pass the reinforced pipe that described through hole arranges.
Preferably, described through hole is arranged on the middle part along short transverse of described web.
Preferably, the middle part along its length of described reinforced pipe is welded in the edge of described through hole, and the length of described reinforced pipe is 28-40mm.
Preferably, be positioned on the web of both sides of described middle interconnecting piece and be respectively arranged with described through hole and reinforced pipe.
Preferably, be provided with described through hole on the position of the little head end of close the described arm joint of the web of the middle interconnecting piece of each arm joint, and/or, be provided with a plurality of described through holes and a plurality of described reinforced pipes accordingly along the length direction of described web.
Preferably, the length in the zone that is provided with described through hole of described web account for described middle interconnecting piece length 1/4 to 1/3.
The utility model also provides a kind of engineering machinery that comprises jib, and wherein, described jib is jib of the present utility model.
Preferably, described engineering machinery is concrete mixer.
Preferably, described concrete mixer comprises three bridge chassis, and the total length of described jib is 50 meters; Perhaps, described concrete mixer comprises four bridge chassis, and the total length of described jib is 61 meters.
By technique scheme, be provided with reinforcement by the position near its little head end at middle interconnecting piece, can strengthen middle interconnecting piece in the rigidity at this place, thereby avoid bending deformation.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of manual, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of embodiment of the arm joint of explanation jib of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the enlarged drawing of A portion among Fig. 2;
Fig. 4 is the schematic diagram of a kind of embodiment of explanation concrete mixer of the present utility model.
Description of reference numerals
10: concrete mixer
1: jib 2: arm joint 3: stub end 4: the microcephaly holds 5: middle interconnecting piece 6: web 7: reinforced pipe
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use is as the upper and lower, left and right shown in " upper and lower, left and right " typically refer to reference to the accompanying drawings; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present utility model, a kind of jib is provided, wherein, described jib 1 comprises a plurality of arm joints 2 that connect successively, each arm joint 2 comprises that stub end 3, microcephaly hold 4 and connect described stub end 3 and the microcephaly holds 4 middle interconnecting piece 5, and the middle interconnecting piece 5 of at least one arm joint holds 4 position to be provided with reinforcement the microcephaly near described at least one arm joint 2.
By middle interconnecting piece 5 hold 4 position to be provided with reinforcement near its microcephaly, can strengthen middle interconnecting piece 5 in the rigidity at this place, thereby avoid bending deformation.
Wherein, reinforcement can adopt various suitable forms, if can strengthen middle interconnecting piece 5 hold 4 part near its microcephaly, be convenient to arrange and can not produce to interfere with associated components get final product.Preferably, in preferred embodiment of the present utility model, as shown in Figure 1 to Figure 3, the microcephaly of close described at least one arm joint 2 of the web 6 of the middle interconnecting piece 5 of described at least one arm joint 2 holds on 4 the position can be provided with through hole, and described reinforcement can be for passing the reinforced pipe 7 of described through hole setting.Wherein, reinforced pipe 7 can be made by various materials with higher-strength, for example can be high tensile steel tube.
In addition, as shown in Figure 1, described through hole can be arranged on the middle part along short transverse of described web 6, thereby implements to strengthen in the weak location along short transverse of web 6.
Wherein, reinforced pipe 7 can adopt various suitable modes to arrange, for example can welded and installed.In addition, for ease of welding operation, can be welded in the edge of described through hole at the middle part along its length of described reinforced pipe 7.In addition, for avoiding the reinforcement 7 oversize miscellaneous parts of interfering, avoid reinforcement 7 too short and can't play booster action simultaneously, can be according to the concrete model of jib 1, the reinforced pipe 7 of size Selection suitable length.Preferably, the length of described reinforced pipe 7 is 28-40mm.
In addition, as shown in Figures 2 and 3, be positioned on the web 6 of both sides of described middle interconnecting piece 5 and can be respectively arranged with described through hole and reinforced pipe 7, thus, can implement to strengthen in the both sides of middle interconnecting piece 5, guarantee the stability of middle interconnecting piece 5.
In addition, preferably, the microcephaly of close the described arm joint 2 of the web 6 of the middle interconnecting piece 5 of each arm joint 2 holds on 4 the position all can be provided with described through hole, thereby by strengthening each arm joint 1 whole reinforcement jib 1.In addition, selectively, as shown in Figure 1, can be provided with a plurality of described through holes and corresponding a plurality of described reinforced pipes 7 along the length direction of described web 6, thereby guarantee the stability of the length direction of web 6.In this case, according to the model of jib 1, size etc., can reasonably select the length in the zone that is provided with through hole and reinforced pipe 7 of web 6, thereby satisfy the deadweight that reduces arm joint 2 when strengthening as far as possible.Preferably, the length in the zone that is provided with described through hole of described web 6 can account for described middle interconnecting piece 5 length 1/4 to 1/3.
According on the other hand of the present utility model, a kind of engineering machinery that comprises jib is provided, wherein, described jib is jib 1 of the present utility model.By middle interconnecting piece 5 hold 4 position to be provided with reinforcement near its microcephaly, can strengthen middle interconnecting piece 5 in the rigidity at this place, thereby avoid bending deformation.Therefore, engineering machinery of the present utility model has the higher jib of reliability 1.
Wherein, jib 1 of the present utility model can be used in various suitable engineering machinery.For example, as shown in Figure 4, described engineering machinery can be concrete mixer 10.
In the utility model owing to implemented reinforcement in the weak location of arm joint 2, thereby can correspondingly reduce the wrapper sheet of arm joint 2, the thickness of web is implemented loss of weight.Preferably, can adopt original wrapper sheet that uses, the sheet material that web intensity is higher to make wrapper sheet, web, thereby can further reduce the wrapper sheet of made, the thickness of web.For example, saving the formula jibs with six is example, in its second joint arm joint, be the steel plate (for example BS960QC of Shanghai Baoshan Iron and Steel Company factory) of 960MPa by working strength, original wrapper sheet thickness can be become 7mm from 8mm, the web thickness of middle interconnecting piece 5 becomes 6mm from 7mm, stub end 3 hold 4 web thickness to become 10mm from 12mm with the microcephaly, the weight of whole jib 1 can reduce more than 10%.Therefore, jib 1 and arm joint 2 can correspondingly be done longlyer.In addition, because jib 1 can make to such an extent that weight is lighter, thereby when being assemblied on the engineering machinery, the center of gravity of suitable whole engineering machinery descends, and has reduced tilting moment, has strengthened stability and the reliability of engineering machinery.
For example, be example with limit vehicle (satisfying the vehicle of the limit of standards such as gross weight), in the concrete mixer 10 on three bridge chassis, the total length of described jib 1 can reach 50 meters; In the concrete mixer 10 on four bridge chassis, the total length of described jib 1 can reach 61 meters.
Below describe preferred embodiment of the present utility model by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. jib, it is characterized in that, described jib (1) comprises a plurality of arm joints (2) that connect successively, each arm joint (2) comprises stub end (3), little head end (4) and connects described stub end (3) and the middle interconnecting piece (5) of little head end (4) that the middle interconnecting piece (5) of at least one arm joint is provided with reinforcement in the position of saving the little head end (4) of (2) near described at least one arm.
2. jib according to claim 1, it is characterized in that, the position of the little head end (4) of close described at least one arm joint (2) of the web (6) of the middle interconnecting piece (5) of described at least one arm joint (2) is provided with through hole, and described reinforcement is to pass the reinforced pipe (7) that described through hole arranges.
3. jib according to claim 2 is characterized in that, described through hole is arranged on the middle part along short transverse of described web (6).
4. jib according to claim 2 is characterized in that, the middle part along its length of described reinforced pipe (7) is welded in the edge of described through hole, and the length of described reinforced pipe (7) is 28-40mm.
5. jib according to claim 4 is characterized in that, is positioned on the web (6) of both sides of described middle interconnecting piece (5) to be respectively arranged with described through hole and reinforced pipe (7).
6. according to any described jib in the claim 2 to 5, it is characterized in that, be provided with described through hole on the position of the little head end (4) of the close described arm joint (2) of the web (6) of the middle interconnecting piece (5) of each arm joint (2), and/or, be provided with a plurality of described through holes and corresponding a plurality of described reinforced pipes (7) along the length direction of described web (6).
7. jib according to claim 6 is characterized in that, the length in the zone that is provided with described through hole of described web (6) account for described middle interconnecting piece (5) length 1/4 to 1/3.
8. an engineering machinery that comprises jib is characterized in that, described jib is according to any described jib (1) among the claim 1-7.
9. the engineering machinery that comprises jib according to claim 8 is characterized in that, described engineering machinery is concrete mixer (10).
10. the engineering machinery that comprises jib according to claim 9 is characterized in that, described concrete mixer (10) comprises three bridge chassis, and the total length of described jib (1) is 50 meters; Perhaps, described concrete mixer (10) comprises four bridge chassis, and the total length of described jib (1) is 61 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702807 CN203050123U (en) | 2012-12-18 | 2012-12-18 | Arm frame and engineering machinery comprising arm frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702807 CN203050123U (en) | 2012-12-18 | 2012-12-18 | Arm frame and engineering machinery comprising arm frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050123U true CN203050123U (en) | 2013-07-10 |
Family
ID=48733090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220702807 Expired - Fee Related CN203050123U (en) | 2012-12-18 | 2012-12-18 | Arm frame and engineering machinery comprising arm frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362309A (en) * | 2013-07-15 | 2013-10-23 | 徐州徐工施维英机械有限公司 | Device for enhancing rigidity of arm support and arm support structure |
| CN105003260A (en) * | 2015-07-22 | 2015-10-28 | 柳州易旺科技有限公司 | Replaceable articulated arm for rock drilling machines |
| CN108465965A (en) * | 2018-03-25 | 2018-08-31 | 湖南响箭重工科技有限公司 | A kind of babinet assembly welding technique |
-
2012
- 2012-12-18 CN CN 201220702807 patent/CN203050123U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362309A (en) * | 2013-07-15 | 2013-10-23 | 徐州徐工施维英机械有限公司 | Device for enhancing rigidity of arm support and arm support structure |
| CN103362309B (en) * | 2013-07-15 | 2016-11-23 | 徐州徐工施维英机械有限公司 | A kind of device strengthening jib rigidity and jib structure |
| CN105003260A (en) * | 2015-07-22 | 2015-10-28 | 柳州易旺科技有限公司 | Replaceable articulated arm for rock drilling machines |
| CN108465965A (en) * | 2018-03-25 | 2018-08-31 | 湖南响箭重工科技有限公司 | A kind of babinet assembly welding technique |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20171218 |