CN107735351A - The installation constitution of telescopic boom - Google Patents
The installation constitution of telescopic boom Download PDFInfo
- Publication number
- CN107735351A CN107735351A CN201680029045.9A CN201680029045A CN107735351A CN 107735351 A CN107735351 A CN 107735351A CN 201680029045 A CN201680029045 A CN 201680029045A CN 107735351 A CN107735351 A CN 107735351A
- Authority
- CN
- China
- Prior art keywords
- crane arm
- bracket
- telescopic boom
- width
- base portion
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
Abstract
A kind of width that can increase basic crane arm is provided and prevents the installation constitution of the telescopic boom of the interference of basic crane arm and middle crane arm.A kind of installation constitution of telescopic boom,The rear portion of the basic crane arm (110) of the telescopic boom (100) of crane is kept by bracket (120),And,Can rough ground installation relative to column spinner by basic crane arm (110) by bracket (120),Wherein,Bracket (120) possesses the both sides wall portion (110A) at the rear portion for being joined to basic crane arm (110),The abutting plate portion (130) of (110B),(130),This is each abut plate portion (130) have can rough ground be maintained at a pair of base portion pieces (132) between a pair of opposite maintaining parts of column spinner,(132),By the abutting plate portion (130) of the part beyond base portion piece (132),(130) width (W1) between is set to than base portion piece (132),(132) width (W2) between is big.
Description
Technical field
The present invention relates to it is a kind of by telescopic boom can rough ground be installed on column spinner telescopic boom installation constitution.
Background technology
The installation constitution of known following telescopic boom in the past：By telescopic boom can rough ground be installed on and rotate freely
Ground is arranged at the column spinner of the pedestal of crane, wherein, the telescopic boom is tube-shaped weighed in the inner sleeve of basic crane arm
It is laminated with multiple middle crane arms and telescopic crane arm (with reference to patent document 1).
In the installation constitution of such telescopic boom, plate portion is kept to be arranged at column spinner by opposite a pair, will
Between the rear portion of the basic crane arm of telescopic boom is installed to above-mentioned holding plate portion via shaft component, make base using the shaft component
This crane arm can rise and fall relative to column spinner.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2001-97673 publications
The content of the invention
The invention problem to be solved
But on telescopic boom, between the side of sidewall portion of the side of sidewall portion of basic crane arm and middle crane arm
Gap be set to it is narrow, basic crane arm etc. due to welding heat wait and deformed in side of sidewall portion, thus, the side wall of middle crane arm
The side of sidewall portion of portion and basic crane arm is possible to produce interference.In order to solve the problem, increase the width of basic crane arm,
But because the width of basic crane arm is that width between the holding plate portion of column spinner is matchingly set, so, such as
Fruit wants the width of the basic crane arm of increase, then the width for needing to be changed between a pair of that make column spinner holding plate portions become big
Column spinner.
It is an object of the invention to provide it is a kind of do not change existing column spinner and can prevent basic crane arm with it is middle
The installation constitution of the telescopic boom of the interference of crane arm.
The present invention relates to a kind of installation constitution of telescopic boom, and the telescopic boom of implement is kept using bracket
The rear portion of basic crane arm, also, the basic crane arm is installed in a manner of it can be risen and fallen relative to column spinner using the bracket,
Characterized in that,
A pair of both sides wall portion engagement of the bracket with the rear portion with the basic crane arm abut plate portion,
This is each abut plate portion have can rough ground be maintained at base between a pair of opposite maintaining parts of the column spinner
Portion's piece,
Relative to the width of the bracket at the base portion piece, the width of the bracket beyond the base portion piece is set to greatly.
The effect of invention
According to the present invention, the width of basic crane arm can be increased without changing column spinner, basic crane arm can be prevented
With the interference of middle crane arm.
Brief description of the drawings
Fig. 1 is the side view for showing to apply the outward appearance of the autocrane of the installation constitution of the telescopic boom of the present invention
Figure.
Fig. 2 is the bracket of installation constitution and the stereogram of basic crane arm for showing the telescopic boom of the present invention.
Fig. 2A is the stereogram for the installation constitution for showing the telescopic boom of the present invention.
Fig. 3 is the top view for the crane arm construction for showing the 2nd embodiment.
Embodiment
Below, the embodiment of the embodiment of the installation constitution of the telescopic boom as the present invention is carried out with reference to the accompanying drawings
Explanation.
Embodiment
[the 1st embodiment]
In Fig. 1, the implement as the installation constitution for applying telescopic boom, autocrane (lifting is shown
Machine) 10.
The autocrane 10 possesses：Extend in the longitudinal direction and be provided with front-wheel 11 and the 1st, the 2nd trailing wheel 12,13
Main frame 14, be rotationally arranged on the main frame 14 column spinner 20, can rough ground be arranged at the column spinner 20
The telescopic boom 100 on top, make the telescopic boom 100 rise and fall fluctuating cylinder 15, in the both sides surface side of main frame 14
It is arranged at a pair of support leg devices 30 near the position (relative to the position of fore-and-aft direction) of column spinner and (only illustrates wherein one
It is individual), be arranged on main frame 14 driver's cabin 16 of front side and the dress for the rear side for being arranged at the column spinner 20 of column spinner 20
Load bed 17 etc..
[column spinner]
Column spinner 20 have can rough ground keep keeping plate portions (maintaining part) 21 opposite a pair of telescopic boom 100
(only illustrating one).In addition, being configured with capstan winch and retarding device (not shown) in column spinner 20, lifting goods will be played
On hawser (not shown) volume or release.
[telescopic boom]
Telescopic boom 100 has basic crane arm 110, middle crane arm 111,112 and front end crane arm 113, by this
Order is combined to outside-in bushing type and formed in basic crane arm 110.Stretched in addition, telescopic boom 100 utilizes
Contracting cylinder (not shown) is stretched.
Fig. 2 and Fig. 2A shows the installation structure of the telescopic boom 100 for telescopic boom 100 to be installed to column spinner
Make.
As shown in Fig. 2 and Fig. 2A, bracket 120 is installed on to the rear portion of basic crane arm 110, basic crane arm 110 passes through
It can be mounted by the bracket 120 relative to the rough ground of column spinner 20.
[bracket]
As shown in Fig. 2 bracket 120 has a pair of abuttings of both sides wall portion 110A, 110B for being connected to basic crane arm 110
Plate portion 130,130 and rear uppers from this pair of abutting plate portions 130,130 are configured between rear end and by each abutting plate
The end plate 140 that portion 130 connects.
As shown in Fig. 2 respectively abutting plate portion 130 has the welding for the side of sidewall portion 110A for including being fused to basic crane arm 110
The welding area portion 131 in region and it is arranged at the rear portion in the welding area portion 131 and from the rear end of basic crane arm 110
The base portion piece 132 that rearward protrudes of position.The base portion piece 132 and the border in welding area portion 131 are stage portion 133.
Moreover, the width W2 between the base portion piece 132,132 of bracket 120 is set to than between welding area portion 131,131
Width W1 it is small.That is, the width W1 between the abutting plate portion 130,130 of the part beyond base portion piece 132 is set to than base portion piece
132nd, the width W2 between 132 is big.That is, relative to the width W2 of the bracket 120 at base portion piece 132, beyond the base portion piece 132
The width W1 of bracket be set to greatly.
The welding area portion 131 of bracket 120 has the V words protruded downwards from the lower surface 110C of basic crane arm 110
The protrusion tab 131A of shape.Protrusion tab 131A foot formed with axis hole 129, along protrusion tab 131A crest line (edge
Portion) flange 127,128 of 122A, 122B formed with reinforcement.In addition, welding area portion 131 central portion formed with for
Ensure the opening portion 126 of heat seal strength.
As shown in Figure 2 A, in base portion piece 132 formed with for telescopic boom 100 to be assemblied in into column spinner in a rolling manner
Axis hole 124 between 20 holding plate portion 21 and flexible one end with cylinder of telescopic boom 100 is carried out for assembling
The axis hole 125 of fixed shaft component (not shown).
The abutting plate portion 130 and structure same as described above engaged with the side of sidewall portion 110B of basic crane arm 110, institute
To illustrate its omission.
[installation of telescopic boom]
The welding area portion 131,131 of bracket 120 is fused to the rear portion of the basic crane arm 110 of telescopic boom 100
Both sides wall portion 110A, 110B, as shown in Fig. 2 bracket 120 to be installed to the rear portion of basic crane arm 110.
Thereafter, as shown in Figure 2 A, the base portion piece 132,132 of bracket 120 is made to be inserted into the holding plate portion 21,21 of column spinner 20
Between, also, the shaft component 150 of column spinner 20 is inserted into the axis hole 124,124 of the base portion piece 132,132 and by bracket
120 are installed on column spinner 20.
In addition, in order to which the one end of fluctuating cylinder 15 (reference picture 1) is attached into bracket 120, by shaft component (not shown)
It is assembled to the axis hole 129 in a welding area portion 131 of bracket 120 and the (not shown) of another welding area portion 131 dashes forward
In the axis hole of slice.Thus, telescopic boom 100 utilizes fluctuating with the expanding-contracting action of cylinder 15 and centered on shaft component 150
Risen and fallen.
But as shown in Fig. 2 the width W1 between the abutting plate portion 130,130 of part beyond base portion piece 132 is set to
It is bigger than the width W2 between base portion piece 132,132, so as to make the horizontal width of basic crane arm 110 become big, can make
Substantially between side of sidewall portion 110A, 110B of crane arm 110 and the side of sidewall portion (not shown) of middle crane arm 111 (reference picture 1)
Gap broadens.Therefore, the thermal conductivity by welding etc. is produced even in the side of sidewall portion of basic crane arm 110 and middle crane arm 111
The deformation of cause, it can also prevent the interference of basic crane arm 110 and middle crane arm 111.Accordingly it is also possible to without tight
Straightening is handled.
Moreover, it is identical with conventional width by the way that width W2 is set as, column spinner 20 can not be changed and used existing
Column spinner, further, can use existing fluctuating shaft component 150.In addition, basic crane arm 110 can be made
Horizontal width becomes big, and thereby, it is possible to improve the horizontal rigidity of telescopic boom 100.Moreover, basic crane arm can be made
110 horizontal width becomes big, so as to easily form multistage crane arm.
In addition, each abutting plate portion 130 of bracket 120 is formed by 1 sheet material by stamping, but can also welding 2
Open sheet material and formed.
[the 2nd embodiment]
Fig. 3 shows the bracket 200 of the 2nd embodiment.The bracket 200 have with the both sides wall portion 110A of basic crane arm 110,
A pair of 110B engagements abut plate portion 230,230 and the rear upper from this pair of abutting plate portions 230,230 is configured at rear end
Between and by each end plate 240 for connecting of abutting plate portion 230.
Each plate portion 230 that abuts has the welding area portion (abutting part) for the side of sidewall portion 110A for being fused to basic crane arm 110
231 and it is arranged at the rear portion in two welding area portions 231 and is more rearward dashed forward compared to the back-end location of basic crane arm 110
The base portion piece 232 gone out.
The base portion piece 232 and the boundary portion 233 in welding area portion 231 are set as with from base portion piece 232 to welding area
Portion 231 and the width W3 between the abutting plate portion 230,230 of boundary portion 233 little by little becomes big.
That is, bracket 200 eliminates the stage portion 133 of the bracket 120 shown in Fig. 2, can by removing the stage portion 133
Remove stress concentration caused by stage portion 133.
In addition, the width W1 between the welding area portion 231,231 of bracket 200 is set to compare in the same manner as the 1st embodiment
Width W2 between base portion piece 232,232 is big.
In the above-described embodiments all by the width W1 between the welding area portion 131,131,231,231 of bracket 120,200
Be set to bigger than the width W2 between base portion piece 132,132,232,232, i.e. if by base portion piece 132,132,232,232 it
Between width W2 be set to it is narrower than the width W1 between welding area portion 131,131,231,231, then can keep stretch
The small, light of column spinner 20 is realized while the horizontal rigidity of weighing arm 100.
In addition, above embodiments illustrate the flexible lifting that the installation constitution of telescopic boom is applied to autocrane
The situation of arm 100, but not limited to this, the telescopic boom of other implements such as aerial lift vehicle can also be applied to.
Above-described embodiment is not limited to the above.In addition, the present invention can be set in the range of invention is not departed from
Meter change.
[to the cross-referenced of related application]
The application on June 11st, 2015 to the Patent 2015-118617 that the Japanese Patent Room is applied based on advocating excellent
First weigh, be completely incorporated in this manual by referring to and by its entire disclosure.
Description of reference numerals
10 autocranes (implement)
20 column spinners
21 keep plate portion (maintaining part)
100 telescopic booms
110 basic crane arms
110A side of sidewall portion
110B side of sidewall portion
111 middle crane arms
120 brackets
130 abut plate portion
131 welding area portions
132 base portion pieces
200 brackets
230 abut plate portion
231 welding area portions (abutting part)
232 base portion pieces.
Claims (2)
1. a kind of installation constitution of telescopic boom, the basic crane arm of the telescopic boom of implement is kept using bracket
Rear portion, also, the basic crane arm is installed in a manner of it can be risen and fallen relative to column spinner using the bracket, it is characterised in that
A pair of both sides wall portion engagement of the bracket with the rear portion with the basic crane arm abut plate portion,
This is each abut plate portion have can rough ground be maintained at base portion piece between a pair of opposite maintaining parts of the column spinner,
Relative to the width of the bracket at the base portion piece, the width of the bracket beyond the base portion piece is set to greatly.
2. the installation constitution of telescopic boom according to claim 1, it is characterised in that
It is described each to abut the abutting part that there is plate portion the side of sidewall portion with the basic crane arm to abut and at the rear portion of the abutting part
The base portion piece set,
The width of bracket at the boundary portion of the base portion piece and abutting part is set as with from the base portion piece to abutting part and
Little by little broaden.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-118617 | 2015-06-11 | ||
| JP2015118617A JP6531505B2 (en) | 2015-06-11 | 2015-06-11 | Telescopic boom mounting structure |
| PCT/JP2016/066762 WO2016199721A1 (en) | 2015-06-11 | 2016-06-06 | Telescopic boom mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107735351A true CN107735351A (en) | 2018-02-23 |
| CN107735351B CN107735351B (en) | 2019-12-31 |
Family
ID=57503384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680029045.9A Active CN107735351B (en) | 2015-06-11 | 2016-06-06 | Mounting structure of telescopic crane boom |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6531505B2 (en) |
| KR (1) | KR101942213B1 (en) |
| CN (1) | CN107735351B (en) |
| WO (1) | WO2016199721A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7463865B2 (en) | 2020-06-08 | 2024-04-09 | 株式会社タダノ | boom |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006137565A (en) * | 2004-11-12 | 2006-06-01 | Tadano Ltd | Boom length detector of telescopic boom |
| JP2012062176A (en) * | 2010-09-17 | 2012-03-29 | Tadano Ltd | Mounting structure of cord reel |
| CN103003497A (en) * | 2010-08-26 | 2013-03-27 | 日立建机株式会社 | Construction machine |
| JP2013108247A (en) * | 2011-11-18 | 2013-06-06 | Hitachi Constr Mach Co Ltd | Apparatus for connecting/disconnecting upper and lower connecting pins of work machine and method for assembling/disassembling the work machine |
| CN103269970A (en) * | 2010-12-17 | 2013-08-28 | 多田野发运有限公司 | Mobile telescopic crane |
| CN103547738A (en) * | 2011-05-19 | 2014-01-29 | 日立建机株式会社 | Arm for construction machinery |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158189A (en) * | 1991-12-12 | 1992-10-27 | Watson Brothers Industries, Inc. | Boom support system |
| US5515654A (en) * | 1994-11-02 | 1996-05-14 | Anderson; Edward E. | Telescopic boom apparatus |
| JP3124481B2 (en) * | 1996-01-12 | 2001-01-15 | 日立建機株式会社 | Construction steel demolition machine |
| JPH09249397A (en) * | 1996-03-15 | 1997-09-22 | Aichi Corp | Expandable boom |
| JP2001097673A (en) | 1999-09-28 | 2001-04-10 | Tadano Ltd | Method for loading and unloading heavy weight to rear region of loading space of truck with crane |
| JP5037050B2 (en) * | 2006-07-20 | 2012-09-26 | 株式会社タダノ | Telescopic boom in a working machine with a boom |
| EP2712836B1 (en) * | 2012-09-28 | 2015-06-03 | Mesera Cranes Finland Oy | A telescopic crane and a telescopic boom arrangement of a telescopic crane |
-
2015
- 2015-06-11 JP JP2015118617A patent/JP6531505B2/en active Active
-
2016
- 2016-06-06 CN CN201680029045.9A patent/CN107735351B/en active Active
- 2016-06-06 WO PCT/JP2016/066762 patent/WO2016199721A1/en active Application Filing
- 2016-06-06 KR KR1020177032309A patent/KR101942213B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006137565A (en) * | 2004-11-12 | 2006-06-01 | Tadano Ltd | Boom length detector of telescopic boom |
| CN103003497A (en) * | 2010-08-26 | 2013-03-27 | 日立建机株式会社 | Construction machine |
| JP2012062176A (en) * | 2010-09-17 | 2012-03-29 | Tadano Ltd | Mounting structure of cord reel |
| CN103269970A (en) * | 2010-12-17 | 2013-08-28 | 多田野发运有限公司 | Mobile telescopic crane |
| CN103547738A (en) * | 2011-05-19 | 2014-01-29 | 日立建机株式会社 | Arm for construction machinery |
| JP2013108247A (en) * | 2011-11-18 | 2013-06-06 | Hitachi Constr Mach Co Ltd | Apparatus for connecting/disconnecting upper and lower connecting pins of work machine and method for assembling/disassembling the work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017001840A (en) | 2017-01-05 |
| CN107735351B (en) | 2019-12-31 |
| WO2016199721A1 (en) | 2016-12-15 |
| KR101942213B1 (en) | 2019-01-24 |
| JP6531505B2 (en) | 2019-06-19 |
| KR20170134714A (en) | 2017-12-06 |
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