CN104591013A - Multi-working-condition auxiliary boom structure and crane using same - Google Patents
Multi-working-condition auxiliary boom structure and crane using same Download PDFInfo
- Publication number
- CN104591013A CN104591013A CN201410819127.6A CN201410819127A CN104591013A CN 104591013 A CN104591013 A CN 104591013A CN 201410819127 A CN201410819127 A CN 201410819127A CN 104591013 A CN104591013 A CN 104591013A
- Authority
- CN
- China
- Prior art keywords
- arm
- tie
- luffing mechanism
- jib
- boom
- 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.)
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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
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a multi-working-condition auxiliary boom structure which comprises a boom rest, a first jib luffing mechanism (1) used for converting a working angle of an auxiliary boom, and an lengthened section (2) used for increasing the length of the boom rack, wherein the lengthened section is mounted at the front end of the first jib luffing mechanism, and a second jib luffing mechanism (3) is arranged on the boom rest at the front end of the first jib luffing mechanism. The invention further provides a crane with the multi-working condition auxiliary boom structure. The auxiliary boom mechanism is detachably connected to a hoisting boom of the crane. According to the multi-working-condition auxiliary boom structure, on the basis of an original boom rest structure, the second jib luffing mechanism is additionally provided, so that a rotary point is additionally arranged at the front section of an original boom rest system, so that the flexibility of converting the boom rest angle and selecting a working condition is increased; the original boom rack structure is not changed, a newly-designed rotary device is used as an option configuration, without influencing the constitution of the original boom rest structure; the rotary device can be assembled on multiple positions of the boom rest system, so that the flexibility of converting the boom rest angle and selecting the working condition is increased, and the product applicability is relatively wide.
Description
Technical field
The present invention relates to a kind of hoisting crane, specifically a kind of multi-state auxiliary structure and use the hoisting crane of this structure.
Background technology
Hoisting crane is widely used in technical field of engineering machinery, and hoisting crane is by arm with around the steel rope hoisting heavy with arm head pulley.Based on the difference of lifting demand, the arm of hoisting crane has principal arm and auxiliary usually.As shown in Figure 1, auxiliary is the truss arm structure being arranged on principal arm end, and angular transformation has been combined primarily of swivel mount 13 and arm-tie 12, and length regulates by increasing or reduce extension 2, for the operating range of development arm frame system, promotes car load lifting altitude.Therefore under this structure of Fig. 1, also different according to the different attainable operating range of extension 2 length, with reference to shown in Fig. 2,
Along with architecture storey height constantly increases, during roof operation, need hoisting crane to have larger lifting altitude, when story height exceedes principal arm maximum height of lift, need to increase truss arm operation.In current industry, truss arm has the angular transformation of definite value angle and stepless luffing two kinds of modes, the design of varied angle pivot point is in link span and swivel mount or auxiliary junction substantially, pivot point and principal arm arm head relative distance are fixed, in work progress when story height is higher than pivot point, truss arm cannot adjust angle, as shown in Figure 3, the scheme of present this problem of solution is exactly on existing truss arm form basis, increase swivel mount 13 boom system length above, namely extension 2 sectional dimension is increased, then installation site reach, pivot point is moved relatively afterwards, reach the object of extension arm frame system scope of work, its operating range is as shown in Figure 4 (for simple auxiliary of analyzing makes problem clear and definite, here suppose that the principal arm elevation angle is 90 °), but this scheme increases merely principal arm (box arm) length, the increase of jib weight can be caused larger, be unfavorable for hoisting the maximization of performance.Its shortcoming existed is as follows: 1, underaction, and extension cross section increases, and causes jib own wt to increase, affects vehicle performance.2, sacrifice former load cases combination, as shown in Figure 4, the operation of former composite condition cannot be carried out in extension 2 cross section to its operating range after increasing, although operating range increases, become simplification.And current part workyard, the distribution of each floor building is than comparatively dense, and the spacing of building is very little, cannot extend the scope of work of auxiliary by increasing operation amplitude.As shown in Figure 9, jib and floor are collided in A point in reference.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of multi-state auxiliary structure, add the alerting ability of jib angular transformation and operating range selection, make the adaptation of product more extensive.
To achieve these goals, a kind of multi-state auxiliary of the present invention structure, comprise jib, for converting the first luffing mechanism of auxiliary operating angle, and for increasing the extension of jib length, described extension is installed on the first luffing mechanism front end, and the extension of described first luffing mechanism front end is provided with the second luffing mechanism.
As a kind of scheme of the present invention, described first luffing mechanism comprises the link span for being connected with the principal arm of hoisting crane, connects the swivel mount of auxiliary, is articulated with the arm-tie between link span and swivel mount; Described arm-tie comprises the first arm-tie and the second arm-tie that are hinged, and the first arm-tie and the second arm-tie are provided with in junction organizes through hole more, and regulate the length of arm-tie by inserting bearing pin in different through hole, auxiliary jib mechanism carries out varied angle and transfers.
As a kind of scheme of the present invention, described second luffing mechanism is a slewing arrangement, comprises swivel mount, arm-tie; Described arm-tie comprises the first arm-tie and the second arm-tie that are hinged, and the first arm-tie and the second arm-tie are provided with in junction organizes through hole more, and regulate the length of arm-tie by inserting bearing pin in different through hole, auxiliary jib mechanism carries out varied angle and transfers.
Further, described slewing arrangement is located at a position that jib hides, consistent with the sectional dimension of junction, front and back.
As a further improvement on the present invention, both the swivel mount of described slewing arrangement and arm-tie are integral type enclosed construction.
As a further improvement on the present invention, the extension of described first luffing mechanism front end is provided with multiple second luffing mechanism.
Compared with prior art advantage of the present invention is:
A. on the basis of former jib structure, increase by the second luffing mechanism, make original boom system leading portion increase a pivot point, add the alerting ability of jib angular transformation and operating mode selection;
B. former jib structure is constant, and new design selects rotary device to configure as selecting piece installing, can not impact former jib structure composition;
C. select rotary device all can assemble in the multiple position of boom system, further increase the alerting ability of jib angular transformation and operating mode selection, make the adaptation of product more extensive.
D. rotation rack structure form and former swivel mount similar, version is simple, is convenient to manufacture, and own wt is lighter.
The present invention also provides a kind of hoisting crane being provided with above-mentioned multi-state auxiliary structure, and this auxiliary jib mechanism is removably connected to the crane arm of hoisting crane.Because above-mentioned multi-state auxiliary structure has above-mentioned technique effect, therefore, the hoisting crane being provided with this auxiliary structure also should possess corresponding technique effect.
Accompanying drawing explanation
Fig. 1 is existing operating mode one auxiliary structural representation;
Fig. 2 is operating mode one auxiliary structure scope of work schematic diagram;
Fig. 3 is existing operating mode second mate arm configuration schematic diagram;
Fig. 4 is operating mode second mate arm configuration scope of work schematic diagram;
Fig. 5 is structural representation of the present invention;
Fig. 6 is slewing arrangement schematic diagram of the present invention;
Fig. 7 is slewing arrangement installation example one schematic diagram of the present invention;
Fig. 8 is slewing arrangement installation example two schematic diagram of the present invention;
Fig. 9 is mode of operation schematic diagram of the present invention;
Figure 10 is scope of work schematic diagram of the present invention;
In figure: 1, the first luffing mechanism, 2, extension, the 3, second luffing mechanism, 11, link span, 12, arm-tie, 13, swivel mount, the 121, first arm-tie, the 122, second arm-tie.
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 5, multi-state auxiliary structure of the present invention, comprise jib, for converting the first luffing mechanism 1 of auxiliary operating angle, and for increasing the extension 2 of jib length, described extension 2 is installed on the first luffing mechanism 1 front end, the extension 2 of the first luffing mechanism 1 front end is provided with the second luffing mechanism 3, on the basis of former jib structure, increase by the second luffing mechanism 3, make original boom system leading portion increase a pivot point, add the alerting ability of jib angular transformation and operating mode selection.
Wherein a kind of embodiment of the first luffing mechanism 1 is as follows, comprises the link span 11 for being connected with the principal arm of hoisting crane, connects the swivel mount 13 of auxiliary, is articulated with the arm-tie 12 between link span 1 and swivel mount 13; Described arm-tie 12 comprises the first arm-tie 121 and the second arm-tie 122 be hinged, first arm-tie 121 and the second arm-tie 122 are provided with in junction organizes through hole more, regulate the length of arm-tie 12 by inserting bearing pin in different through hole, auxiliary jib mechanism carries out varied angle and transfers.
Wherein a kind of embodiment of the second luffing mechanism 3 is as follows, and as shown in Figure 6, the second luffing mechanism 3 is a slewing arrangement, its structure and the first luffing mechanism 1 similar, comprise swivel mount 13, arm-tie 12; Described arm-tie 12 comprises the first arm-tie 121 and the second arm-tie 122 be hinged, first arm-tie 121 and the second arm-tie 122 are provided with in junction organizes through hole more, regulate the length of arm-tie 12 by inserting bearing pin in different through hole, auxiliary jib mechanism carries out varied angle and transfers.Former jib structure is constant, and new design selects rotary device to configure as selecting piece installing, can not impact former jib structure composition; This selects rotary device all can assemble in the multiple position of boom system, further increases the alerting ability of jib angular transformation and operating mode selection, makes the adaptation of product more extensive.
As shown in Figure 7 and Figure 8, above-mentioned slewing arrangement is independently parts, the multiple positions on jib can be arranged on, such as after swivel mount, basic auxiliary, extension, can add arbitrarily according to client's duty requirements, concrete slewing arrangement cross-sectional sizes can be determined according to the position of duty requirements, consistent with the sectional dimension of junction, front and back.Such as, after slewing arrangement is arranged on extension 2, then before and after, sectional dimension and extension 2 match.And point of addition is different, its operating mode protection face is different.
After invention increases the second luffing mechanism, its operating range is the operating range being greater than existing auxiliary structure, the embodiment that present combination provides above, the operating range of the auxiliary structure after improvement is described, as shown in Fig. 5 and Figure 10, two luffing mechanisms are provided with before and after the present invention, extension 2 is positioned at first, second luffing mechanism 1, between 3, now the second luffing mechanism 3 translation-angle is (for simple auxiliary of analyzing makes problem clear and definite, here suppose that the principal arm elevation angle is 90 °), to extension 2 length adjustment, multiple operating range can be realized, operating range as shown in the left side in Figure 10, and (for simple auxiliary of analyzing makes problem clear and definite during the first luffing mechanism 1 translation-angle, here suppose that the principal arm elevation angle is 90 °), its operating range is and for example shown in Figure 10 centre, therefore this practical actual job scope, combine both of these case, obtain the scope of work on right side in Figure 10.
To sum up, the operating range that multi-state auxiliary structure of the present invention realizes, need at least two kinds of even more existing auxiliary structures, just can reach, and the invention solves and to mention in background technology, work as workyard, comparatively dense is compared in the distribution of each floor building, the spacing of building is very little, the problem of the scope of work of auxiliary cannot be extended by increasing operation amplitude, as shown in Figure 9, between the building that two spacing are very little, when colliding and A point in jib and floor top, first luffing mechanism 1 of the present invention becomes and cannot adjust angle downwards again, now, by the second luffing mechanism 3, just can realize arm head portion and continue downward conversion angle, thus the scope of work that realization reached originally.
In addition, provide on the basis of structure above-mentioned, the swivel mount of slewing arrangement of the present invention 13 and both arm-ties 12 can be made into integral type enclosed construction, and like this as independently parts, conveniently can enter conveying, install, alerting ability is higher.The extension 2 of the first luffing mechanism 1 front end can also be provided with multiple second luffing mechanism 3.But along with increasing of luffing mechanism, performance can reduce to some extent, and therefore the quantity of luffing mechanism is conditional, concrete pivot point number needs will be carried out performance calculating according to concrete operating mode and determine.
Certainly, above-described embodiment is only preferred version of the present invention, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different embodiments.
The present invention also provides a kind of hoisting crane being provided with above-mentioned multi-state auxiliary structure, and this auxiliary jib mechanism is removably connected to the crane arm of hoisting crane.Because above-mentioned multi-state auxiliary structure has above-mentioned technique effect, therefore, the hoisting crane being provided with this auxiliary structure also should possess corresponding technique effect.
Claims (7)
1. a multi-state auxiliary structure, comprise jib, for converting first luffing mechanism (1) of auxiliary operating angle, and for increasing the extension (2) of jib length, described extension (2) is installed on the first luffing mechanism (1) front end, it is characterized in that, the jib of described first luffing mechanism (1) front end is provided with the second luffing mechanism (3).
2. multi-state auxiliary structure according to claim 1, it is characterized in that, described first luffing mechanism (1) comprises the link span (11) for being connected with the principal arm of hoisting crane, connect the swivel mount (13) of auxiliary, be articulated with the arm-tie (12) between link span (1) and swivel mount (13); Described arm-tie (12) comprises the first arm-tie (121) and the second arm-tie (122) that are hinged, first arm-tie (121) and the second arm-tie (122) are provided with in junction organizes through hole more, regulate the length of arm-tie (12) by inserting bearing pin in different through hole, auxiliary jib mechanism carries out varied angle and transfers.
3. multi-state auxiliary structure according to claim 1 and 2, is characterized in that, described second luffing mechanism (3) is a slewing arrangement, comprises swivel mount (13), arm-tie (12); Described arm-tie (12) comprises the first arm-tie (121) and the second arm-tie (122) that are hinged, first arm-tie (121) and the second arm-tie (122) are provided with in junction organizes through hole more, regulate the length of arm-tie (12) by inserting bearing pin in different through hole, auxiliary jib mechanism carries out varied angle and transfers.
4. multi-state auxiliary structure according to claim 3, is characterized in that, described slewing arrangement is located at a position that jib hides, consistent with the sectional dimension of junction, front and back.
5. multi-state auxiliary structure according to claim 3, is characterized in that, both the swivel mount (13) of described slewing arrangement and arm-tie (12) are integral type enclosed construction.
6. multi-state auxiliary structure according to claim 1, is characterized in that, the extension (2) of described first luffing mechanism (1) front end is provided with multiple second luffing mechanism (3).
7. a hoisting crane, comprises crane arm, it is characterized in that, described hoisting crane comprises the multi-state auxiliary structure as described in any one of claim 1-6, and described auxiliary jib mechanism is removably connected to described crane arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819127.6A CN104591013B (en) | 2014-12-25 | 2014-12-25 | A kind of multi-state auxiliary structure and the crane using the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819127.6A CN104591013B (en) | 2014-12-25 | 2014-12-25 | A kind of multi-state auxiliary structure and the crane using the structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104591013A true CN104591013A (en) | 2015-05-06 |
| CN104591013B CN104591013B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410819127.6A Active CN104591013B (en) | 2014-12-25 | 2014-12-25 | A kind of multi-state auxiliary structure and the crane using the structure |
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| CN (1) | CN104591013B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060143A (en) * | 2015-07-14 | 2015-11-18 | 三一汽车起重机械有限公司 | Crane boom mechanism and crane |
| CN107902569A (en) * | 2017-12-13 | 2018-04-13 | 三汽车起重机械有限公司 | Crane and cranage ballasting method |
| CN108516475A (en) * | 2018-05-22 | 2018-09-11 | 徐州维尔力德重工科技有限公司 | A kind of crane subsidiary arm for being exclusively used in shield machine and turning over operation |
| CN109305630A (en) * | 2018-12-11 | 2019-02-05 | 中联重科股份有限公司 | Combined auxiliary arm of crane, arm support and crane |
| CN109534191A (en) * | 2018-12-11 | 2019-03-29 | 中联重科股份有限公司 | Auxiliary arm and arm support of crane and crane |
| CN111115475A (en) * | 2019-12-26 | 2020-05-08 | 徐州重型机械有限公司 | Super-lifting device and crane |
| CN113173509A (en) * | 2021-05-14 | 2021-07-27 | 徐州重型机械有限公司 | Boom system and crane |
| CN113501447A (en) * | 2021-07-08 | 2021-10-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and method for lifting main arm of crane |
| WO2023274263A1 (en) * | 2021-06-30 | 2023-01-05 | 湖南三一中型起重机械有限公司 | Multi-working-condition lattice jib head and crane |
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| JP2005126212A (en) * | 2003-10-24 | 2005-05-19 | Kobelco Cranes Co Ltd | Crane |
| CN102020209A (en) * | 2010-12-31 | 2011-04-20 | 徐州重型机械有限公司 | Crane and sub-arm mechanism thereof |
| CN102275833A (en) * | 2011-05-26 | 2011-12-14 | 长沙中联重工科技发展股份有限公司 | Crane, and suspension arm structure and arm lifting method thereof |
| CN102502430A (en) * | 2011-11-22 | 2012-06-20 | 中联重科股份有限公司 | Crane and lifting arm thereof |
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| JP2005126212A (en) * | 2003-10-24 | 2005-05-19 | Kobelco Cranes Co Ltd | Crane |
| CN102020209A (en) * | 2010-12-31 | 2011-04-20 | 徐州重型机械有限公司 | Crane and sub-arm mechanism thereof |
| CN102275833A (en) * | 2011-05-26 | 2011-12-14 | 长沙中联重工科技发展股份有限公司 | Crane, and suspension arm structure and arm lifting method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060143A (en) * | 2015-07-14 | 2015-11-18 | 三一汽车起重机械有限公司 | Crane boom mechanism and crane |
| CN105060143B (en) * | 2015-07-14 | 2017-03-29 | 三一汽车起重机械有限公司 | A kind of gib arm of crane frame mechanism and crane |
| CN107902569A (en) * | 2017-12-13 | 2018-04-13 | 三汽车起重机械有限公司 | Crane and cranage ballasting method |
| CN107902569B (en) * | 2017-12-13 | 2018-07-31 | 三一汽车起重机械有限公司 | Crane |
| CN108516475A (en) * | 2018-05-22 | 2018-09-11 | 徐州维尔力德重工科技有限公司 | A kind of crane subsidiary arm for being exclusively used in shield machine and turning over operation |
| CN109305630A (en) * | 2018-12-11 | 2019-02-05 | 中联重科股份有限公司 | Combined auxiliary arm of crane, arm support and crane |
| CN109534191A (en) * | 2018-12-11 | 2019-03-29 | 中联重科股份有限公司 | Auxiliary arm and arm support of crane and crane |
| CN111115475A (en) * | 2019-12-26 | 2020-05-08 | 徐州重型机械有限公司 | Super-lifting device and crane |
| CN113173509A (en) * | 2021-05-14 | 2021-07-27 | 徐州重型机械有限公司 | Boom system and crane |
| WO2023274263A1 (en) * | 2021-06-30 | 2023-01-05 | 湖南三一中型起重机械有限公司 | Multi-working-condition lattice jib head and crane |
| CN113501447A (en) * | 2021-07-08 | 2021-10-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and method for lifting main arm of crane |
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| Publication number | Publication date |
|---|---|
| CN104591013B (en) | 2017-03-29 |
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