CN105329775B - Flexible weight-reducing main beam structure of crane - Google Patents
Flexible weight-reducing main beam structure of crane Download PDFInfo
- Publication number
- CN105329775B CN105329775B CN201510794589.1A CN201510794589A CN105329775B CN 105329775 B CN105329775 B CN 105329775B CN 201510794589 A CN201510794589 A CN 201510794589A CN 105329775 B CN105329775 B CN 105329775B
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- Prior art keywords
- bolt
- crane
- main beam
- beam structure
- slot
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
Abstract
The invention relates to a flexible weight-reducing main beam structure of a crane. The flexible weight-reducing main beam structure of the crane comprises a main beam body, wherein the main beam body comprises an upper fixing rod and a lower fixing plate; bolt grooves are formed in two sides of the upper fixing rod; screw grooves are formed in two sides of the lower fixing plate; bolts A are inserted between the bolt grooves and the screw grooves; upper screw caps screwed with the bolts A are arranged at the upper parts of the screw grooves; lower screw caps screwed with the bolts A are arranged at the lower parts of the screw grooves; flat hanging rods are mounted at two ends of the lower fixing plate; counterweight blocks are arranged on the flat hanging rods; a through hole is formed in the middle of a protection block; a hanging plate is arranged onthe upper part of the inner side of the protection block. Through the flexible weight-reducing main beam structure of the crane, the number of the bolts A is defined according to the specific working condition in the using process of the main beam; the number of the counterweight blocks can be increased or reduced according to the working condition of the crane; in general, the flexible weight-reducing main beam structure of the crane has the advantages that the structure is reasonable, is convenient to transport, mount and dismount, is safe and reliable, and is capable of increasing or reducing the counterweight according to the working environment of the crane.
Description
Technical field
The invention belongs to crane technical field and in particular to a kind of crane flexibility loss of weight main beam structure.
Background technology
Crane is that a kind of machinery being widely used in urban construction, bridge road construction and lift cargo stock ground sets
Standby, the girder of crane is subject to the core position of weight, and the fine or not direct relation of the reasonability of its structure and performance lifting
The service behaviour of machine, develops towards maximization, light-weighted direction with crane, the requirement to crane main beam structure is also got over
To get over, traditional box type girder quality is excessive, its structure is integral type structure, this girder is big due to quality, not readily transportable
And installation, receive larger restriction in use.
Content of the invention
The invention aims to overcoming the deficiencies in the prior art, and provide a kind of rational in infrastructure, be readily transported, be easy to
Installing/dismounting, safe and reliable and can according to crane working environment need increase and decrease counterweight crane flexibility loss of weight girder knot
Structure.
The object of the present invention is achieved like this: a kind of crane flexibility loss of weight main beam structure, it includes girder body, institute
The girder body stated includes fix bar and bottom plate, and the both sides of described upper fix bar are provided with bolt slot, described under
The both sides of fixed plate are provided with screw slot, are evenly arranged with inclined support bar between described upper fix bar and bottom plate, described
Bolt slot and screw slot between be interspersed with bolt a, the top of described screw slot is provided with the upper spiral shell screwing up on bolt a
Cap, the lower section of described screw slot is provided with the lower nut screwing up on bolt a, and the two ends of described bottom plate are provided with flat
Peg, the top setting of the described end of flat peg is fluted, and described flat peg is placed with balancing weight, described flat extension
The end of bar is provided with protective block, and the centre position of described protective block is provided with through hole, the described inner side of protective block upper
Portion is provided with link plate, and the outside of described flat peg is provided through the bolt b of the through hole on protective block.
The described cross section of upper fix bar be shaped as isosceles trapezoid.
The structure of the cross section of described bolt slot is " t " type structure.
The screw thread of described bolt a is distributed in the bottom of bolt a, and the total length of screw thread is the half of bolt a total length.
The structure of the described longitudinal section of flat peg is continuous arc structure.
The depth of described groove is less than the thickness of flat peg half.
The end of described flat peg is provided with the screwed hole that can be screwed into bolt b.
Beneficial effects of the present invention: girder passes through being used in conjunction with using upper fix bar and bottom plate, and in upper fixation
It is evenly arranged with inclined support bar it is ensured that the stability of girder body construction between bar and bottom plate；The both sides of upper fix bar
Offer bolt slot, the both sides of bottom plate offer screw slot, be easy to bolt a be plugged on fix bar and bottom plate it
Between, and after bolt a is plugged between fix bar and bottom plate, not only sound construction, and ensure the entirety of bolt a with
The junction of girder body is smooth attractive in appearance, bolt a screws up the upper cap nut above screw slot and is located at below screw slot
Lower nut, fixation is played to bolt a, is used cooperatively with lower nut using upper cap nut simultaneously, same in fixing bolt a
When, can prevent girder body from deforming, girder in use, can determine using several according to specific works operating mode
Individual bolt a, the quantity reducing bolt a can reach the purpose that girder is carried out with loss of weight；The two ends of bottom plate are provided with flat extension
Bar, the structure of the longitudinal section of flat peg is continuous arc structure, is not only convenient for the placement of balancing weight, and when balancing weight is placed
Afterwards, the solid and reliable non-slipping block that it is not easy to horizontally slip, the end of flat peg is arranged is fixed on flat peg by link plate, can
So that protective action is played to the balancing weight on flat peg, protective block fixed with flat peg by bolt b it is ensured that protective block with flat
The fixing fastness of peg；The quantity of balancing weight can be increased and decreased according to the operating mode of crane work, reduces the individual of balancing weight
Number can reach the purpose mitigating crane girder；Total present invention have rational in infrastructure, be readily transported, be easily installed dismounting,
Safe and reliable and can according to crane working environment need increase and decrease counterweight advantage.
Brief description
Fig. 1 is a kind of structural representation of crane of present invention flexibility loss of weight main beam structure.
Fig. 2 is a kind of a kind of structural representation of embodiment of crane of present invention flexibility loss of weight main beam structure.
Fig. 3 is a kind of side view of crane of present invention flexibility loss of weight main beam structure.
Fig. 4 is a kind of structural representation of the end of flat peg of crane of present invention flexibility loss of weight main beam structure.
Fig. 5 is a kind of front view of the protective block of crane of present invention flexibility loss of weight main beam structure.
Fig. 6 is the enlarged drawing at a in Fig. 1.
Fig. 7 is the enlarged drawing at b in Fig. 1.
In figure: 1, girder body 2, upper fix bar 3, bolt slot 4, bottom plate 5, screw slot 6, inclined support bar 7,
Bolt a 8, upper cap nut 9, lower nut 10, flat peg 11., groove 12, balancing weight 13, protective block 14, through hole 15, extension
Plate 16, bolt b.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figs. 1-7, a kind of crane flexibility loss of weight main beam structure, it includes girder body 1, described girder body
1 includes fix bar 2 and bottom plate 4, and the both sides of described upper fix bar 2 are provided with bolt slot 3, described bottom plate 4
Both sides be provided with screw slot 5, be evenly arranged with inclined support bar 6 between described upper fix bar 2 and bottom plate 4, described
Be interspersed with bolt a7 between bolt slot 3 and screw slot 5, the top of described screw slot 5 be provided with screw up upper on bolt a7
Nut 8, the lower section of described screw slot 5 is provided with the lower nut 9 screwing up on bolt a7, the two ends of described bottom plate 4
Flat peg 10 is installed, the top of the described end of flat peg 10 arranges fluted 11, described flat peg 10 is placed with
Balancing weight 12, the end of described flat peg 10 is provided with protective block 13, and the centre position of described protective block 13 is provided with logical
Hole 14, the top of the described inner side of protective block 13 is provided with link plate 15, and the outside of described flat peg 10 is provided through anti-
The bolt b16 of the through hole 14 in protecting block 13.
The present invention implement when, first bolt a7 and the quantity of balancing weight 12 are determined according to the using area of crane, when rise
When the environment of heavy-duty machine use is flatter, the quality of crane girder can be with very little, crane more lightweight in use,
Now can be using small number of bolt a7 and balancing weight 12；When the environment that crane uses is more severe, need girder
During mass ratio larger ability smooth working, now need bolt a7 is all arranged between upper fix bar 2 and bottom plate 4,
The quantity of balancing weight 12 should suitably increase, and the quantity of the balancing weight 12 at girder two ends at most can increase to eight, so may be used
To ensure stability during hoisting heavy for the girder, the both sides of upper fix bar 2 offer bolt slot 3, and the two of bottom plate 4
Side offers screw slot 5, is easy to bolt a7 and is plugged between fix bar 2 and bottom plate 4, and bolt a7 be plugged on solid
After between fixed pole 2 and bottom plate 4, not only sound construction, and ensure that the entirety of bolt a7 is put down with the junction of girder body 1
Whole attractive in appearance, bolt a7 screws up the upper cap nut 8 positioned at screw slot 5 top and the lower nut 9 being located at screw slot 5 lower section, to spiral shell
Bolt a7 plays fixation, is used cooperatively with lower nut 9 using upper cap nut 8 simultaneously, while fixing bolt a7, can prevent
Girder body 1 deforms；Then crane girder is fixed on two supporting legs, crane just can have been carried out in preferable states
Hang work, the protective block 13 of the end setting of flat peg 10 is fixed on flat peg 10 by link plate 15, can be to flat peg 10
On balancing weight 12 play protective action, protective block 13 pass through the fixation of bolt b16 and flat peg 10 it is ensured that protective block 13 with flat
The fixing fastness of peg 10；Total present invention have rational in infrastructure, be readily transported, be easily installed dismounting, safe and reliable and energy
Enough advantages needing to increase and decrease counterweight according to crane working environment.
Embodiment 2
As shown in figs. 1-7, a kind of crane flexibility loss of weight main beam structure, it includes girder body 1, described girder body
1 includes fix bar 2 and bottom plate 4, and the both sides of described upper fix bar 2 are provided with bolt slot 3, described bottom plate 4
Both sides be provided with screw slot 5, be evenly arranged with inclined support bar 6 between described upper fix bar 2 and bottom plate 4, described
Be interspersed with bolt a7 between bolt slot 3 and screw slot 5, the top of described screw slot 5 be provided with screw up upper on bolt a7
Nut 8, the lower section of described screw slot 5 is provided with the lower nut 9 screwing up on bolt a7, the two ends of described bottom plate 4
Flat peg 10 is installed, the top of the described end of flat peg 10 arranges fluted 11, described flat peg 10 is placed with
Balancing weight 12, the end of described flat peg 10 is provided with protective block 13, and the centre position of described protective block 13 is provided with logical
Hole 14, the top of the described inner side of protective block 13 is provided with link plate 15, and the outside of described flat peg 10 is provided through anti-
The bolt b16 of the through hole 14 in protecting block 13, the described cross section of upper fix bar 2 be shaped as isosceles trapezoid, described bolt
The structure of the cross section of groove 3 is " t " type structure, and the screw thread of described bolt a7 is distributed in the bottom of bolt a7, and screw thread is total
Length is the half of bolt a7 total length, and the structure of the described longitudinal section of flat peg 10 is continuous arc structure, described
The depth of groove 11 is less than the thickness of flat peg 10 half, and the end of described flat peg 10 is provided with and can be screwed into bolt b16
Screwed hole.
The present invention implement when, first bolt a7 and the quantity of balancing weight 12 are determined according to the using area of crane, when rise
When the environment of heavy-duty machine use is flatter, the quality of crane girder can be with very little, crane more lightweight in use,
Now can be using small number of bolt a7 and balancing weight 12；When the environment that crane uses is more severe, need girder
During mass ratio larger ability smooth working, now need bolt a7 is all arranged between upper fix bar 2 and bottom plate 4,
The quantity of balancing weight 12 should suitably increase, and the quantity of the balancing weight 12 at girder two ends at most can increase to eight, so may be used
To ensure stability during hoisting heavy for the girder, the both sides of upper fix bar 2 offer bolt slot 3, and the two of bottom plate 4
Side offers screw slot 5, is easy to bolt a7 and is plugged between fix bar 2 and bottom plate 4, and bolt a7 be plugged on solid
After between fixed pole 2 and bottom plate 4, not only sound construction, and ensure that the entirety of bolt a7 is put down with the junction of girder body 1
Whole attractive in appearance, bolt a7 screws up the upper cap nut 8 positioned at screw slot 5 top and the lower nut 9 being located at screw slot 5 lower section, to spiral shell
Bolt a7 plays fixation, is used cooperatively with lower nut 9 using upper cap nut 8 simultaneously, while fixing bolt a7, can prevent
Girder body 1 deforms；Then crane girder is fixed on two supporting legs, crane just can have been carried out in preferable states
Hang work, the protective block 13 of the end setting of flat peg 10 is fixed on flat peg 10 by link plate 15, can be to flat peg 10
On balancing weight 12 play protective action, protective block 13 pass through the fixation of bolt b16 and flat peg 10 it is ensured that protective block 13 with flat
The fixing fastness of peg 10；
Preferably, the structure of the cross section of bolt slot 3 is " t " type structure, when bolt a7 is placed in bolt slot 3, spiral shell
The head of bolt a7 can be completely into bolt slot 3, and the head of bolt a7 is smooth attractive in appearance with the junction of upper fix bar 2；Flat peg
The structure of 10 longitudinal section is continuous arc structure, is not only convenient for the placement of balancing weight 12, and after balancing weight 12 is placed,
Solid and reliable it is not easy to horizontally slip；The end of flat peg 10 is provided with the screwed hole that can be screwed into bolt b16, works as protective block
After 13 are placed on flat peg 10, bolt b16 passes through the through hole of protective block 13, is screwed into the screwed hole of flat peg 10 end, carries
High fastness on flat peg 10 for the protective block 13；Total present invention have rational in infrastructure, be readily transported, be easily installed and tear open
Unload, safe and reliable and can according to crane working environment need increase and decrease counterweight advantage.
Claims (7)
1. a kind of crane flexibility loss of weight main beam structure, it include girder body it is characterised in that: described girder body includes
Upper fix bar and bottom plate, the both sides of described upper fix bar are provided with bolt slot, and the both sides of described bottom plate are arranged
There is screw slot, between described upper fix bar and bottom plate, be evenly arranged with inclined support bar, described bolt slot and screw slot
Between be interspersed with bolt a, the top of described screw slot is provided with the upper cap nut screwing up on bolt a, described screw slot
Lower section is provided with the lower nut screwing up on bolt a, and the two ends of described bottom plate are provided with flat peg, described flat peg
End top setting fluted, described flat peg is placed with balancing weight, the end of described flat peg is provided with anti-
Protecting block, the centre position of described protective block is provided with through hole, and the top of the described inner side of protective block is provided with link plate, described
The outside of flat peg be provided through the bolt b of the through hole on protective block.
2. a kind of crane flexibility loss of weight main beam structure according to claim 1 it is characterised in that: described upper fix bar
Cross section be shaped as isosceles trapezoid.
3. a kind of crane flexibility loss of weight main beam structure according to claim 1 it is characterised in that: described bolt slot
The structure of cross section is " t " type structure.
4. a kind of crane flexibility loss of weight main beam structure according to claim 1 it is characterised in that: described bolt a's
Screw thread is distributed in the bottom of bolt a, and the total length of screw thread is the half of bolt a total length.
5. a kind of crane flexibility loss of weight main beam structure according to claim 1 it is characterised in that: described flat peg
The structure of longitudinal section is continuous arc structure.
6. a kind of crane flexibility loss of weight main beam structure according to claim 1 it is characterised in that: the depth of described groove
Degree is less than the thickness of flat peg half.
7. a kind of crane flexibility loss of weight main beam structure according to claim 1 it is characterised in that: described flat peg
End is provided with the screwed hole that can be screwed into bolt b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794589.1A CN105329775B (en) | 2015-11-18 | 2015-11-18 | Flexible weight-reducing main beam structure of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794589.1A CN105329775B (en) | 2015-11-18 | 2015-11-18 | Flexible weight-reducing main beam structure of crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105329775A CN105329775A (en) | 2016-02-17 |
| CN105329775B true CN105329775B (en) | 2017-02-01 |
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ID=55280592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510794589.1A Active CN105329775B (en) | 2015-11-18 | 2015-11-18 | Flexible weight-reducing main beam structure of crane |
Country Status (1)
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| CN (1) | CN105329775B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0384012A1 (en) * | 1989-02-08 | 1990-08-29 | O&K Orenstein & Koppel Aktiengesellschaft | Gantry crane |
| DE4109052A1 (en) * | 1991-03-15 | 1992-09-17 | Saalfelder Hebezeugbau Gmbh | Lightweight profiled constructional component - forms I=section girder with hollow closed welded flanges rolled into shape |
| CN2937065Y (en) * | 2006-07-19 | 2007-08-22 | 山东丰汇设备技术有限公司 | Crane span structure of round pipe truss structure |
| CN201512355U (en) * | 2009-10-19 | 2010-06-23 | 河南省中原矿山设备有限公司 | Web member on truss dual-girder of gantry crane |
| CN202465064U (en) * | 2012-03-12 | 2012-10-03 | 抚顺永茂建筑机械有限公司 | Truss type electric single-beam crane main beam |
| CN203439929U (en) * | 2013-08-08 | 2014-02-19 | 无锡市恒畅起重物流机械有限公司 | Crane truss |
| CN203653074U (en) * | 2013-12-06 | 2014-06-18 | 中国石油天然气第一建设公司 | Quick-assembled combined cross beam for portal crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1768494C (en) * | 1989-04-06 | 1992-10-15 | Государственный Институт По Проектированию Технологии Монтажа Предприятий Химической Промышленности | Device for orientation of travelling crane end beam in crane installation |
-
2015
- 2015-11-18 CN CN201510794589.1A patent/CN105329775B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0384012A1 (en) * | 1989-02-08 | 1990-08-29 | O&K Orenstein & Koppel Aktiengesellschaft | Gantry crane |
| DE4109052A1 (en) * | 1991-03-15 | 1992-09-17 | Saalfelder Hebezeugbau Gmbh | Lightweight profiled constructional component - forms I=section girder with hollow closed welded flanges rolled into shape |
| CN2937065Y (en) * | 2006-07-19 | 2007-08-22 | 山东丰汇设备技术有限公司 | Crane span structure of round pipe truss structure |
| CN201512355U (en) * | 2009-10-19 | 2010-06-23 | 河南省中原矿山设备有限公司 | Web member on truss dual-girder of gantry crane |
| CN202465064U (en) * | 2012-03-12 | 2012-10-03 | 抚顺永茂建筑机械有限公司 | Truss type electric single-beam crane main beam |
| CN203439929U (en) * | 2013-08-08 | 2014-02-19 | 无锡市恒畅起重物流机械有限公司 | Crane truss |
| CN203653074U (en) * | 2013-12-06 | 2014-06-18 | 中国石油天然气第一建设公司 | Quick-assembled combined cross beam for portal crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105329775A (en) | 2016-02-17 |
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