CN202687901U - Aloft operating machine and fly jib thereof - Google Patents
Aloft operating machine and fly jib thereof Download PDFInfo
- Publication number
- CN202687901U CN202687901U CN 201220386669 CN201220386669U CN202687901U CN 202687901 U CN202687901 U CN 202687901U CN 201220386669 CN201220386669 CN 201220386669 CN 201220386669 U CN201220386669 U CN 201220386669U CN 202687901 U CN202687901 U CN 202687901U
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- China
- Prior art keywords
- arm
- jib
- fly jib
- stretching structure
- aloft work
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses an aloft operating machine and a fly jib thereof and the fly jib (10) comprises a first jib (11) and a second jib (14), wherein the first jib (11) comprises a first jib section (12) and a telescoping structure capable of telescoping relative to the first jib section. The second jib extends in an inclined manner from the first jib section and divides the first jib into a first portion and a second portion on a joint. An angle between the first portion and the second jib is an acute angle and an angle between the second portion and the second jib is an obtuse angle. Under a state that the telescoping structure is shrunk to the shortest length, along a longitudinal direction of the first jib section, a fixing end of the telescoping structure is arranged between the joint and an end of the first portion. A telescoping end of the telescoping structure is mounted outside of an end of the second portion. The fly jib can telescope length by the telescoping structure, so that fly jib length can be lengthened and an operation scope of a working bucket. A branch portion of a Y-shaped structure of the first jib which is on the same side with the second jib can be utilized to further lengthen an elongation scope of the first jib, namely, to further lengthen the fly jib length and the operation scope of the working bucket.
Description
Technical field
The utility model relates to aloft work machinery, particularly, relates to a kind of aloft work machinery and fly jib thereof.
Background technology
Fly jib is one of vitals of aloft work machinery, has the working bucket that supports aloft work machinery and the effect of controlling the working bucket scope of work.In addition, fly jib changes operating angle by the luffing hydraulic actuating cylinder.Particularly, as shown in Figure 1, fly jib 10 forms bending shape, and an end is articulated in the principal arm of aloft work machinery, and the other end is provided with the connecting portion 16 for erection work bucket 30, and an end of luffing hydraulic actuating cylinder 20 is articulated in fly jib 10, and the other end is hinged to principal arm.Thus, when the principal arm luffing behind certain angle, by operation luffing hydraulic actuating cylinder 20, so that fly jib 10 pivots around the hinged position of itself and principal arm, with the change operating angle.But in the prior art, the limited length of fly jib 10 has limited the scope of work of working bucket 30.And the length of fly jib 10 can't be regulated, and the operating radius that changes working bucket 30 can only operate to carry out by the luffing operation of luffing hydraulic actuating cylinder 20 or the luffing of principal arm.
The utility model content
The purpose of this utility model provides a kind of fly jib that can improve the scope of work of working bucket and be convenient to regulate the operating radius of working bucket.
To achieve these goals, the utility model provides a kind of fly jib of aloft work machinery, wherein, described fly jib comprises the first arm and the second arm, described the first arm comprises the first arm joint and can save flexible stretching structure with respect to described the first arm, described the second arm from described the first arm joint tilt to extend and will described the first arm in the junction save be divided into described the second arm be acute angle first and with described the second arm second portion in obtuse angle, be retracted under the shortest state of length at described stretching structure, length direction along described the first arm joint, the fixed end of described stretching structure is between the end of described junction and described first, and the telescopic end of described stretching structure is positioned at outside the end of described second portion.
Preferably, described stretching structure comprises that telescopically is set in inboard the second arm joint of described the first arm joint, be retracted under the shortest state of length at described stretching structure, one end of described the second arm joint is between the end of described junction and described first, and the other end reaches outside the end of described second portion.
Preferably, described stretching structure comprises telescopic hydraulic cylinder, and the cylinder body of described telescopic hydraulic cylinder is connected in described the first arm joint, and the piston rod of described telescopic hydraulic cylinder is connected in described the second arm joint.
Preferably, described telescopic hydraulic cylinder is arranged on the outside of described the first arm joint.
Preferably, the external part of described the second arm joint is provided with the connecting portion for the erection work bucket, and described piston rod is connected in described connecting portion.
Preferably, the junction of described the first arm and described the second arm is positioned at 1/3 to 2/3 place of the length of described the first arm joint.
Preferably, the angle of described the first arm and described the second arm is the 30-60 degree.
The utility model also provides a kind of aloft work machinery, and wherein, this aloft work machinery comprises working bucket and fly jib of the present utility model, and described working bucket is installed in the telescopic end of described stretching structure.
Preferably, described aloft work machinery comprises principal arm and luffing hydraulic actuating cylinder, one end of described luffing hydraulic actuating cylinder and the free end of described the second arm are articulated in respectively described principal arm, and the other end of described luffing hydraulic actuating cylinder is articulated in the junction of described the first arm and described the second arm.
By technique scheme, the first arm passes through the stretching structure Extensible, thereby can lengthen the length of fly jib, increases the scope of work of working bucket.The second arm tilts to extend from the first arm joint, thereby makes the first arm and the second arm form Y-shaped structure.Be retracted under the shortest state of length at described stretching structure, length direction along the first arm joint, one end of stretching structure is between the end of described junction and first, the other end is positioned at outside the end of second portion, thereby can utilize the component with Y-shaped structure the second arm homonymy the first arm further to lengthen the elongation range of the first arm, namely further lengthen the scope of work of length and the working bucket of fly jib.
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 consists of the part of specification sheets, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the scheme drawing of the connection structure of the explanation fly jib of prior art and luffing hydraulic actuating cylinder, working bucket;
Fig. 2 is the scheme drawing of the connection structure of the explanation fly jib of a kind of embodiment of the present utility model and luffing hydraulic actuating cylinder, working bucket.
Description of reference numerals
10 fly jibs
11 first arms, 12 first arms save 13 second arms and save 14 second arms
15 telescopic hydraulic cylinder 15a: cylinder body 15b: piston rod 16 connecting portions
20 luffing hydraulic actuating cylinders, 30 working buckets
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, do not doing in the situation of opposite explanation the upper and lower, left and right of the noun of locality of use 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 fly jib of aloft work machinery is provided, wherein, described fly jib 10 comprises the first arm 11 and the second arm 14, described the first arm 11 comprises the first arm joint 12 and can save 12 flexible stretching structures with respect to described the first arm, described the second arm 14 from described the first arm joint 12 tilt to extend and will described the first arm in the junction save 12 be divided into described the second arm 14 be acute angle first and with described the second arm 14 second portion in obtuse angle, be retracted under the shortest state of length at described stretching structure, length direction along described the first arm joint 12, the fixed end of described stretching structure is between the end of described junction and described first, and the telescopic end of described stretching structure is positioned at outside the end of described second portion.
In the fly jib 10 of the present utility model, the first arm 11 passes through the stretching structure Extensible, thereby can lengthen the length of fly jib 10, increases the scope of work of working bucket 30.The second arm 14 tilts to extend from the first arm joint 12, thereby makes the first arm 11 and the second arm 14 form Y-shaped structure.Be retracted under the shortest state of length at described stretching structure, length direction along the first arm joint 14, the fixed end of stretching structure is between the end of described junction and first, telescopic end is positioned at outside the end of second portion, thereby can utilize the component with Y-shaped structures the second arm 12 homonymies the first arm 11 further to lengthen the elongation range of the first arm 11, namely further lengthen the scope of work of length and the working bucket 30 of fly jib 10.
Wherein, stretching structure can adopt various suitable modes, as long as can be convenient to collapsing length.In preferred implementation of the present utility model, described stretching structure can comprise that telescopically is set in the second arm joint 13 that described the first arm saves 12 inboards, be retracted under the shortest state of length at described stretching structure, one end of described the second arm joint 13 is between the end of described junction and described first, and the other end reaches outside the end of described second portion.
Wherein, the second arm joint 13 can adopt various suitable mode telescopicallies to be set in the first arm joint 12, and it is flexible for example can to adopt pulley and steel rope to realize.Preferably, described stretching structure comprises telescopic hydraulic cylinder 15, and the cylinder body 15a of described telescopic hydraulic cylinder 15 is connected in described the first arm joint 12, and the piston rod 15b of described telescopic hydraulic cylinder 15 is connected in described the second arm joint 13.Thus, can be by flexible piston rod 15b, it is flexible to drive the second arm joint 13, to change the length of fly jib 10.
More preferably, as shown in Figure 2, described telescopic hydraulic cylinder 15 is arranged on the outside of described the first arm joint 12, in order to abdicate the inner space of the first arm joint 12, the flexible scope of the second arm joint 13 is enlarged as far as possible, and be conducive to installation and maintenance.
In addition, piston rod 15b can be connected to the second arm joint 13 directly or indirectly.Preferably, as shown in Figure 2, the external part of described the second arm joint 13 can be provided with the connecting portion 16 for erection work bucket 30, and described piston rod 15b is connected in described connecting portion 16.Thus, flexible by driving connecting portion 16, it is flexible indirectly to drive the second arm joint 13.Wherein, connecting portion 16 can have the leveling equipment for leveling working bucket 30.
In addition, the junction of described the first arm 11 and described the second arm 14 can be positioned at 1/3 to 2/3 place of the length of described the first arm joint 12, so that fly jib 10 has metastable structure, and can reasonably increase the space (namely the junction of the first arm joint 12 is to the length between the end of first) that can be used for further elongation.
In addition, the angle of described the first arm 11 and described the second arm 14 can be the 30-60 degree, so that fly jib 10 has stable structure.
According on the other hand of the present utility model, a kind of aloft work machinery is provided, wherein, this aloft work machinery comprises working bucket 30 and fly jib of the present utility model 10, described working bucket 30 is installed in the telescopic end of described stretching structure.
In the aloft work machinery of the present utility model, the first arm 11 passes through the stretching structure Extensible, thereby can lengthen the length of fly jib 10, increases the scope of work of working bucket 30.The second arm 14 tilts to extend from the first arm joint 12, thereby makes the first arm 11 and the second arm 14 form Y-shaped structure.Be retracted under the shortest state of length at described stretching structure, length direction along the first arm joint 14, one end of stretching structure is between the end of described junction and first, the other end is positioned at outside the end of second portion, thereby can utilize the component with Y-shaped structures the second arm 12 homonymies the first arm 11 further to lengthen the elongation range of the first arm 11, namely further lengthen the scope of work of length and the working bucket 30 of fly jib 10.
Wherein, described aloft work machinery comprises principal arm and luffing hydraulic actuating cylinder 20, one end of described luffing hydraulic actuating cylinder 20 and the free end of described the second arm 14 are articulated in respectively described principal arm, and the other end of described luffing hydraulic actuating cylinder 20 is articulated in the junction of described the first arm 11 and described the second arm 14.During use, at first carry out luffing by principal arm self, after the principal arm luffing puts in place, by operation luffing hydraulic actuating cylinder 20 fly jib 10 is pivoted around the position that it is articulated in principal arm, to realize the luffing of fly jib 10.When needs are adjusted the scope of work of working bucket 30 or operating radius among a small circle, can realize by the stretching structure of flexible fly jib 10, need not to operate principal arm and luffing hydraulic actuating cylinder 20.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model 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 in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any 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 (9)
1. the fly jib of an aloft work machinery, it is characterized in that, described fly jib (10) comprises the first arm (11) and the second arm (14), described the first arm (11) comprises the first arm joint (12) and stretching structure that can be flexible with respect to described the first arm joint (12), described the second arm (14) from described the first arm save (12) tilt to extend and will described the first arm in the junction save (12) be divided into described the second arm (14) be acute angle first and with described the second arm (14) second portion in obtuse angle, be retracted under the shortest state of length at described stretching structure, length direction along described the first arm joint (12), the fixed end of described stretching structure is between the end of described junction and described first, and the telescopic end of described stretching structure is positioned at outside the end of described second portion.
2. the fly jib of aloft work machinery according to claim 1, it is characterized in that, described stretching structure comprises that telescopically is set in inboard the second arm joint (13) of described the first arm joint (12), be retracted under the shortest state of length at described stretching structure, one end of described the second arm joint (13) is between the end of described junction and described first, and the other end reaches outside the end of described second portion.
3. the fly jib of aloft work machinery according to claim 2, it is characterized in that, described stretching structure comprises telescopic hydraulic cylinder (15), the cylinder body (15a) of described telescopic hydraulic cylinder (15) is connected in described the first arm joint (12), and the piston rod (15b) of described telescopic hydraulic cylinder (15) is connected in described the second arm joint (13).
4. the fly jib of aloft work machinery according to claim 3 is characterized in that, described telescopic hydraulic cylinder (15) is arranged on the outside of described the first arm joint (12).
5. the fly jib of aloft work machinery according to claim 4 is characterized in that, the external part of described the second arm joint (13) is provided with the connecting portion (16) for erection work bucket (30), and described piston rod (15b) is connected in described connecting portion (16).
6. the fly jib of the described aloft work machinery of any one is characterized in that according to claim 1-5, and the junction of described the first arm (11) and described the second arm (14) is positioned at 1/3 to 2/3 place of the length of described the first arm joint (12).
7. the fly jib of aloft work machinery according to claim 6 is characterized in that, the angle of described the first arm (11) and described the second arm (14) is the 30-60 degree.
8. an aloft work machinery is characterized in that, this aloft work machinery comprise working bucket (30) and according to claim 1-7 in the described fly jib of any one (10), described working bucket (30) is installed in the telescopic end of described stretching structure.
9. aloft work according to claim 8 is mechanical, it is characterized in that, described aloft work machinery comprises principal arm and luffing hydraulic actuating cylinder (20), the free end of one end of described luffing hydraulic actuating cylinder (20) and described the second arm (14) is articulated in respectively described principal arm, and the other end of described luffing hydraulic actuating cylinder (20) is articulated in the junction of described the first arm (11) and described the second arm (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386669 CN202687901U (en) | 2012-08-06 | 2012-08-06 | Aloft operating machine and fly jib thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386669 CN202687901U (en) | 2012-08-06 | 2012-08-06 | Aloft operating machine and fly jib thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202687901U true CN202687901U (en) | 2013-01-23 |
Family
ID=47543549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220386669 Expired - Lifetime CN202687901U (en) | 2012-08-06 | 2012-08-06 | Aloft operating machine and fly jib thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202687901U (en) |
-
2012
- 2012-08-06 CN CN 201220386669 patent/CN202687901U/en not_active Expired - Lifetime
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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: 20130123 |
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| CX01 | Expiry of patent term |