CN101880013B - Movable counterweight system of cantilever type crane - Google Patents
Movable counterweight system of cantilever type crane Download PDFInfo
- Publication number
- CN101880013B CN101880013B CN2010102002268A CN201010200226A CN101880013B CN 101880013 B CN101880013 B CN 101880013B CN 2010102002268 A CN2010102002268 A CN 2010102002268A CN 201010200226 A CN201010200226 A CN 201010200226A CN 101880013 B CN101880013 B CN 101880013B
- Authority
- CN
- China
- Prior art keywords
- weight
- amplitude variation
- variation trolley
- counter
- counterweight
- 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.)
- Active
Links
Images
Abstract
The invention discloses a movable counterweight system of a cantilever type crane, comprising a variable amplitude trolley and a movable counterweight device, wherein the variable amplitude trolley is erected on a cantilever of the crane and can run along a track of the cantilever under the action of external force so as to achieve the aim of varying the amplitude; and the movable counterweight device is arranged on the variable-amplitude trolley and can adjust the weight according to the actual use requirement. The movable counterweight system comprises the variable amplitude trolley and the movable counterweight device, wherein the variable amplitude trolley can walk under the action of external force so as to vary the amplitude; the movable counterweight system can adjust the counterweight weight of the crane according to the actual use requirement and can be detached at any time according to the work requirement of the crane. The invention can ensure that the cantilever crane can be hoisted at single side and can allow the hoisting moments on two sides to be balanced or the unbalanced moments on two sides to be less than the rated maximum bending moment of a tower body.
Description
Technical field
The present invention relates to the Weighting system that a kind of hoisting crane mechanical equipment is used, specifically be meant movable counterweight system of cantilever type crane.
Background technology
Along with the continuous development of national economy, China's power grid construction task increases year by year, and the transmission line of electricity voltage class is also increasingly high building.The various leaps that face in the line construction comprise great river, great river, and other voltage class transmission line of electricity, other facility get more and more.Present domestic electric power construction unit adopts lifting unit tower technology basically for big leap high tower.Mainly be divided into four kinds of forms: a kind of employing double horizontal arm luffing; Second kind is adopted two luffing jibs, and the third adopts tower crane; The 4th kind of employing mast crane.Because luffing jib is to lean on the pitching of crane arm to realize that luffing power is big, technical sophistication, hoisted in position difficulty.Tower crane is installed and used in iron tower, can't fall machine, thus generally use in the iron tower outside, but attachment distance is far away, and adhesive ability is big, and the iron tower member can't be born and be difficult to realize.Derrick crane is little because of hoisting capacity and luffing scope, and along with the increase of iron tower height, the increase of span is eliminated.And the technical operation of double horizontal arm luffing is convenient, is suitable for the various operating modes in building site, is accepted and application by most of construction enterprises; In order to bring into play the load-carrying capacity of body of the tower to greatest extent, satisfy the operating needs of the different operating modes of arm derrick crane and develop native system.
Summary of the invention
The purpose of this invention is to provide a kind of movable counterweight system of cantilever type crane, this movable counterweight system can guarantee the monolateral lifting of lifting function, and can let hoisting moment balance or the both sides unbalanced moment on both sides less than the specified maximal bending moment of body of the tower.
Above-mentioned purpose of the present invention realizes through following technical scheme: movable counterweight system of cantilever type crane; It is characterized in that: said movable counterweight system comprises the amplitude variation trolley and the counter weight device of living; Described amplitude variation trolley is erected on the jib of hoisting crane; And can be under external force along the orbital motion of jib to reach luffing, described counter weight device alive is installed on the said amplitude variation trolley, said counter weight device alive can be adjusted weight according to actual needs.
Movable counterweight system of the present invention is made up of the amplitude variation trolley and the counter weight device of living; Amplitude variation trolley can move with luffing under external force; Movable counterweight system is adjusted the counterweight weight of hoisting crane according to the use needs of reality; And need also can disassemble movable counterweight system at any time by hoisting crane work, guarantee that arm derrick crane can monolateral or bilateral lifting.
Described amplitude variation trolley has vehicle frame and wheel, and the wheel of amplitude variation trolley is positioned on the track of jib, and described counter weight device alive is installed on the vehicle frame of amplitude variation trolley.
Counter weight device alive of the present invention can adopt following two kinds of structures:
One of structure: described counter weight device alive comprises basic counter-balanced carriage and basic counterweight, and described basic counter-balanced carriage links to each other with the vehicle frame of said amplitude variation trolley, and described basic counterweight is installed on the said basic counter-balanced carriage.
Described basic counter-balanced carriage links to each other with the vehicle frame of said amplitude variation trolley through bolt or bearing pin.
The present invention can do following improvement: described counter weight device alive also comprises and increases the weight of frame and weight; The described frame that increases the weight of links to each other with described basic counterweight; Describedly increase the weight of to be provided with from top to down in the frame a plurality of cross walls that are used to take up said weight; Described weight is a plurality of, is placed on after described weight can be chosen according to actual needs on the said cross wall that increases the weight of frame.
Described basic counterweight is the T font structure, and its top has the ear of taking, and the bottom has the side intermediate plate, and the said frame that increases the weight of is symmetrically arranged two framed structures, the top of increasing the weight of frame with take ear and link to each other, the bottom links to each other with the side intermediate plate.
Two of structure: described counter weight device alive comprises having the weight box of accommodation space with ccontaining counterweight, and described weight box links to each other with the vehicle frame of said amplitude variation trolley.
Described weight box links to each other with the vehicle frame of said amplitude variation trolley through bolt or bearing pin.
Described weight box is the body structure of open upper end; Vertically be provided with two dividing plates in the weight box; Be divided into left chamber, middle chamber and right chamber in the casing of two dividing plates with weight box; Wherein left chamber and right chamber constitute the accommodation space of weight box, and said accommodation space can hold counterweight according to actual needs.
Adopt the counter weight device alive of this weight box, weight box plays the function of basic counterweight, and additional counterweight realizes through in the accommodation space of weight box, placing weight.
Compared with prior art, this movable counterweight system of the present invention can guarantee hoisting crane effectively control and reduce lifting, unbalanced moment during moment in place and luffing move at a slow speed, guarantee body of the tower and other position safety.The counterbalanced weight that this invention realizes the arm derrick crane balance weight system is removable variable with weight; And can be from single constant bearing material loading; The back revolution of slinging is in place again, and solving to have the problem that changeless balance weight system and double-arm hoisting crane must the symmetry lifting as the general jib hoisting crane.Saved a large amount of human and material resources, reduced on-the-spot temporary site, being in particular the brandreth single face has the construction of extraordinary circumstances such as lake, other circuit, zanjon etc. to provide convenience.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is explained further details.
Fig. 1 is the integral structure scheme drawing that loads the hoisting crane of movable counterweight system of the present invention;
Fig. 2 is that amplitude variation trolley is installed in the Facad structure scheme drawing on the jib among the movable counterweight system embodiment one of the present invention;
Fig. 3 is the lateral plan of movable counterweight system embodiment one of the present invention, shows the annexation between basic counter-balanced carriage, basic counterweight and the amplitude variation trolley;
Fig. 4 is the constructional drawing that the amplitude variation trolley of pulley is installed among the movable counterweight system embodiment one of the present invention;
Fig. 5 is that the installation of basic counter-balanced carriage and basic counterweight concerns scheme drawing among the movable counterweight system embodiment one of the present invention;
Fig. 6 is the annexation scheme drawing that increases the weight of frame, weight and basic counterweight among the movable counterweight system embodiment one of the present invention;
Fig. 7 is that amplitude variation trolley is installed in the Facad structure scheme drawing on the jib among the movable counterweight system embodiment two of the present invention;
Fig. 8 is the lateral plan of movable counterweight system embodiment two of the present invention, shows the annexation between weight box and the amplitude variation trolley;
Fig. 9 is the block diagram of weight box among the movable counterweight system embodiment two of the present invention;
Figure 10 is the birds-eye view of weight box among the movable counterweight system embodiment two of the present invention.
Description of reference numerals
1, working arm; 2, jib; 2a, track; 3, amplitude variation trolley; 3a, vehicle frame;
3b, wheel; 4, pulley; 5, suspension hook; 6, basic counter-balanced carriage; 7, bolt;
8, basic counterweight; 8a, take ear; 8b, side intermediate plate; 9, increase the weight of frame; 10, weight;
11, weight box; 11a, dividing plate; 11b, left chamber; 11c, right chamber; 12, bearing pin
The specific embodiment
As shown in Figure 1, a horizontal arm of arm derrick crane is as working arm 1, and another horizontal arm is as jib 2, and movable counterweight system is installed on the jib 2.
Like Fig. 2 to movable counterweight system of cantilever type crane shown in Figure 10; Movable counterweight system comprises the amplitude variation trolley 3 and the counter weight device of living; Amplitude variation trolley is erected on the jib 2 of hoisting crane, and can be under external force along the track 2a operation of jib 2 to reach the purpose of luffing, the counter weight device of living is installed on the amplitude variation trolley 3; The counter weight device of living can be adjusted weight according to actual needs, to guarantee the balance of hoisting crane top moment.
Described amplitude variation trolley 3 has vehicle frame 3a and wheel 3b; The wheel 3b of amplitude variation trolley is positioned on the track 2a of jib 2; The counter weight device of living is installed on the vehicle frame 3a of amplitude variation trolley with removably; Pulley 4 also is installed on the amplitude variation trolley 3, and suspension hook 5 is wrapped on the pulley 4 to promote object through hawser.The counter weight device of living links to each other with amplitude variation trolley 3 with removably, person's operation easy to use.
Described counter weight device alive can adopt multiple structure; One of embodiment is extremely shown in Figure 6 like Fig. 2; The counter weight device of living comprises basic counter-balanced carriage 6 and basic counterweight 8, and basic counter-balanced carriage 6 links to each other with the vehicle frame 3a of amplitude variation trolley through bolt 7, and basic counterweight 8 is installed on the basic counter-balanced carriage 6.Basic counter-balanced carriage 6 also can link to each other with the vehicle frame 3a of amplitude variation trolley through bearing pin or other attaching partss, and can basic counter-balanced carriage 6 be removed from amplitude variation trolley 3 through the dismounting attaching parts.
The counter weight device of living also comprises and increases the weight of frame 9 and weight 10, increases the weight of frame 9 and links to each other with basic counterweight 8, wherein; Basic counterweight 8 is the T font structure, and its top has the ear of taking 8a, and the bottom has side intermediate plate 8b; Increase the weight of frame 9 and be symmetrically arranged two framed structures, the top of increasing the weight of frame 9 with take ear 8a and link to each other, the bottom links to each other with side intermediate plate 8b; Increase the weight of to be provided with from top to down in the frame 9 a plurality of cross walls that are used to take up weight; Weight 10 is a plurality of, is placed on the cross wall that increases the weight of frame after weight 10 can be chosen according to actual needs, regulates the weight of movable counterweight system thus.
To shown in Figure 10, the counter weight device of living comprises having the weight box 11 of accommodation space with ccontaining counterweight to the embodiment two of described counter weight device alive like Fig. 7, and weight box 11 links to each other with the vehicle frame of amplitude variation trolley through bearing pin 12.Weight box 11 also can bolt or other attaching partss link to each other with the vehicle frame 3a of amplitude variation trolley, and can weight box 11 be removed from amplitude variation trolley 3 through the dismounting attaching parts.
The working process of movable counterweight system of the present invention is following: the counter weight device of living can be through the suspension hook lifting of jib amplitude variation trolley, rises to be connected with the vehicle frame of amplitude variation trolley through bolt or bearing pin after being raised to the amplitude variation trolley desired location., hoisting crane can move the amplitude variation trolley and the counter weight device of living on the jib at any time when working, to change the top unbalanced moment by the requirement of work.Make moment of flexure that body of the tower bears in the scope of design code.Need also can disassemble the counter weight device of living at any time by hoisting crane work; Reach the jib amplitude variation trolley in the safe range earlier; Bolt or bearing pin that the vehicle frame of pulling down the jib amplitude variation trolley is connected with the counter weight device of living catch on movable counterweight system and fall with the suspension hook of jib amplitude variation trolley and get final product.
The above embodiment of the present invention is not the qualification to protection domain of the present invention; Embodiment of the present invention is not limited thereto, and also can link to each other with the vehicle frame of amplitude variation trolley through tie bolt or other attaching partss like basic counter-balanced carriage, and the casing of the weight box of the counter weight device of living also can be divided into a plurality of chambers such as four chambers or six chambers; Therefore; According to foregoing of the present invention,, do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite according to the ordinary skill knowledge and the customary means of this area; Modification, replacement or the change of other various ways that said structure of the present invention is made all drop within protection scope of the present invention.
Claims (3)
1. movable counterweight system of cantilever type crane; Said movable counterweight system comprises amplitude variation trolley (3) and the counter weight device of living; Described amplitude variation trolley is erected on the jib (2) of hoisting crane, and can be under external force along track (2a) operation of jib (2) to reach luffing, described counter weight device alive is installed on the said amplitude variation trolley (3); Said counter weight device alive can be adjusted weight according to actual needs; Described amplitude variation trolley (3) has vehicle frame (3a) and wheel (3b), and the wheel of amplitude variation trolley (3b) is positioned on the track (2a) of jib (2), and described counter weight device alive is installed on the vehicle frame (3a) of amplitude variation trolley; Described counter weight device alive comprises basic counter-balanced carriage (6) and basic counterweight (8); Described basic counter-balanced carriage (6) links to each other with the vehicle frame (3a) of said amplitude variation trolley through bolt (7) or bearing pin, and described basic counterweight (8) is installed on the said basic counter-balanced carriage (6), it is characterized in that: described counter weight device alive also comprises and increases the weight of frame (9) and weight (10); The described frame (9) that increases the weight of links to each other with described basic counterweight (8); Described increasing the weight of is provided with a plurality of cross walls that are used to take up said weight from top to down in the frame (9), described weight (10) is a plurality of, is placed on after described weight (10) can be chosen according to actual needs on the said cross wall that increases the weight of frame.
2. movable counterweight system of cantilever type crane according to claim 1; It is characterized in that: described basic counterweight (8) is the T font structure; Its top has the ear of taking (8a), and the bottom has side intermediate plate (8b), and the said frame (9) that increases the weight of is symmetrically arranged two framed structures; The top of increasing the weight of frame (9) with take ear (8a) and link to each other, the bottom links to each other with side intermediate plate (8b).
3. movable counterweight system of cantilever type crane; Said movable counterweight system comprises amplitude variation trolley (3) and the counter weight device of living; Described amplitude variation trolley is erected on the jib (2) of hoisting crane; And can be under external force along track (2a) operation of jib (2) to reach luffing; Described counter weight device alive is installed on the said amplitude variation trolley (3), and said counter weight device alive can be adjusted weight according to actual needs, and described counter weight device alive comprises having the weight box (11) of accommodation space with ccontaining counterweight; Described weight box (11) links to each other with the vehicle frame of said amplitude variation trolley through bolt or bearing pin (12); It is characterized in that: described weight box (11) is the body structure of open upper end, vertically is provided with two dividing plates (11a) in the weight box (11), is divided into left chamber (11b), middle chamber and right chamber (11c) in the casing of two dividing plates with weight box; Wherein left chamber (11b) and right chamber (11c) constitute the accommodation space of weight box (11), and said accommodation space can hold counterweight according to actual needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102002268A CN101880013B (en) | 2010-05-31 | 2010-05-31 | Movable counterweight system of cantilever type crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102002268A CN101880013B (en) | 2010-05-31 | 2010-05-31 | Movable counterweight system of cantilever type crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101880013A CN101880013A (en) | 2010-11-10 |
| CN101880013B true CN101880013B (en) | 2012-02-08 |
Family
ID=43052184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102002268A Active CN101880013B (en) | 2010-05-31 | 2010-05-31 | Movable counterweight system of cantilever type crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101880013B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219143A (en) * | 2011-05-31 | 2011-10-19 | 江南嘉捷电梯股份有限公司 | Weight compensation device on underframe of elevator carriage |
| CN103588103A (en) * | 2013-11-23 | 2014-02-19 | 湖北江汉建筑工程机械有限公司 | Multipurpose tower crane with double lifting hooks |
| CN108190761A (en) * | 2018-03-08 | 2018-06-22 | 浙江虎霸建设机械有限公司 | A kind of derrick crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030991U (en) * | 1988-05-11 | 1989-01-18 | 河南省宝丰县石桥机械厂 | Miniature mechanical (manual) lifting device for rural building construction |
| CN2516522Y (en) * | 2001-02-26 | 2002-10-16 | 张学宏 | Tower crane movable balancing weight |
| CN2793032Y (en) * | 2005-03-17 | 2006-07-05 | 辽宁工程技术大学 | Adjustable counterweight tower shaped crane |
| CN1837011A (en) * | 2006-04-20 | 2006-09-27 | 谭春阳 | Self-balancing up-rotary type tower crane and operation control |
| CN201347329Y (en) * | 2008-12-25 | 2009-11-18 | 抚顺永茂建筑机械有限公司 | Self-disassembling device of tower crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7967158B2 (en) * | 2006-10-27 | 2011-06-28 | Manitowoc Crane Companies, Llc | Mobile lift crane with variable position counterweight |
-
2010
- 2010-05-31 CN CN2010102002268A patent/CN101880013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030991U (en) * | 1988-05-11 | 1989-01-18 | 河南省宝丰县石桥机械厂 | Miniature mechanical (manual) lifting device for rural building construction |
| CN2516522Y (en) * | 2001-02-26 | 2002-10-16 | 张学宏 | Tower crane movable balancing weight |
| CN2793032Y (en) * | 2005-03-17 | 2006-07-05 | 辽宁工程技术大学 | Adjustable counterweight tower shaped crane |
| CN1837011A (en) * | 2006-04-20 | 2006-09-27 | 谭春阳 | Self-balancing up-rotary type tower crane and operation control |
| CN201347329Y (en) * | 2008-12-25 | 2009-11-18 | 抚顺永茂建筑机械有限公司 | Self-disassembling device of tower crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101880013A (en) | 2010-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201901539U (en) | Internal climbing type and external climbing type tower crane with luffing jib | |
| CN201971572U (en) | Movable arm type tower crane with suspension arm possible of being folded for dismounting | |
| CN201990998U (en) | Novel heavy tamping machine | |
| CN201809036U (en) | Hanging hopper with detachable chassis | |
| CN203728443U (en) | Combined tower crane with main and auxiliary boom structure | |
| CN103832933B (en) | A kind of group tower tower crane with auxiliary | |
| CN101880013B (en) | Movable counterweight system of cantilever type crane | |
| CN202346640U (en) | Ocean platform crane | |
| CN206108737U (en) | Remote control operation's hoisting equipment for pier | |
| CN202220059U (en) | Fully variable frequency electric maintenance crane for rock breaking plant | |
| CN202766146U (en) | Large pile circling type offshore platform crane | |
| CN202643164U (en) | Tower crane capable of quickly assembling and disassembling balance weight and balance weight | |
| CN203474311U (en) | Insulating boom hoist | |
| CN201834690U (en) | Flexible counter weight system of cantilever frame type crane | |
| CN102887438A (en) | Maintenance crane for electric full-variable frequency rock crushing station | |
| CN202744961U (en) | Lifting mechanism for anti-falling beam check block | |
| CN207511723U (en) | A kind of flat arm tower crane supporting beam transporting device of new construction inner climbing type | |
| CN203439953U (en) | Light lifting apparatus for 10kV overhead power distribution equipment | |
| CN210702528U (en) | Temporary fixing device for ladle turret revolving arm of large slab caster | |
| CN103434944A (en) | Insulation arm crane | |
| CN106744305A (en) | A kind of route-variable height beam driving for crane room | |
| CN207209840U (en) | A kind of Multifunctional suspension bracket | |
| CN207792466U (en) | A kind of tool-type cage | |
| CN208747486U (en) | A kind of balance hanging beam group suspender | |
| CN208037866U (en) | A kind of Architectural Equipment hanging apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |