CN201834690U - Flexible counter weight system of cantilever frame type crane - Google Patents
Flexible counter weight system of cantilever frame type crane Download PDFInfo
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- CN201834690U CN201834690U CN2010202208779U CN201020220877U CN201834690U CN 201834690 U CN201834690 U CN 201834690U CN 2010202208779 U CN2010202208779 U CN 2010202208779U CN 201020220877 U CN201020220877 U CN 201020220877U CN 201834690 U CN201834690 U CN 201834690U
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- amplitude variation
- variation trolley
- counter weight
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Abstract
The utility model discloses a flexible counter weight system of a cantilever frame type crane, which comprises a variable-amplitude trolley and a counter weight device, wherein the variable-amplitude trolley is erected on a cantilever frame of the crane and can operate along tracks of the cantilever frame under the external force effect to reach the goal of amplitude variation, and the flexible counter weight device is arranged on the variable-amplitude trolley and can regulate the weight according to the actual use requirements. The flexible counter weight system is formed by the variable-amplitude trolley and the flexible counter weight device, the variable-amplitude trolley can walk under the external force effect to realize amplitude variation, the flexible counter weight system regulates the counter weight of the crane according to the actual use requirements, and in addition, the flexible counter weight system can also be dismounted at any time according to the work requirements of the crane. The single-side hoisting capability of the cantilever frame type crane is ensured, in addition, the hoisting moments at two sides can be balanced, or unbalanced moments at two sides are smaller than the rated maximum bending moment of a tower body.
Description
Technical field
The utility model relates to the Weighting system that a kind of hoisting crane mechanical equipment is used, and specifically is 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 more and more higher 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 substantially 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 by most of construction enterprises and uses; 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.
The utility model content
The purpose of this utility model provides a kind of movable counterweight system of cantilever type crane, and this movable counterweight system can guarantee the monolateral lifting of lifting function, and can allow the hoisting moment balance on both sides or the both sides unbalanced moment specified maximal bending moment less than body of the tower.
Above-mentioned purpose of the present utility model is achieved by the following technical solution: movable counterweight system of cantilever type crane, described movable counterweight system comprises amplitude variation trolley and the counter weight device of living, described amplitude variation trolley is erected on the jib of hoisting crane, and described counter weight device alive is installed on the described amplitude variation trolley.
Movable counterweight system of the present utility model is made of the amplitude variation trolley and the counter weight device of living, amplitude variation trolley can move under external force with luffing, 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 utility model 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 described amplitude variation trolley, and described basic counterweight is installed on the described basic counter-balanced carriage.
Described basic counter-balanced carriage links to each other with the vehicle frame of described amplitude variation trolley by bolt or bearing pin.
The utility model can be done 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 cross wall that takes up described weight, described weight is placed on the described cross wall that increases the weight of frame.
Described basic counterweight is a T font structure, and its top has the ear of taking, and the bottom has the side intermediate plate, and the described 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 described amplitude variation trolley.
Described weight box links to each other with the vehicle frame of described amplitude variation trolley by bolt or bearing pin.
Described weight box is the body structure of upper end open, 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 described accommodation space holds counterweight.
Adopt the counter weight device alive of this weight box, weight box plays the function of basic counterweight, and additional counterweight realizes by place weight in the accommodation space of weight box.
Compared with prior art, this movable counterweight system of the utility model 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.This utility model realizes that the counterbalanced weight of arm derrick crane balance weight system is removable and weight is variable, 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 drawings and specific embodiments the utility model is described in further details.
Fig. 1 is the integral structure scheme drawing that loads the hoisting crane of the utility model movable counterweight system;
Fig. 2 is that amplitude variation trolley is installed in Facad structure scheme drawing on the jib among the utility model movable counterweight system embodiment one;
Fig. 3 is the lateral plan of the utility model movable counterweight system embodiment one, 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 utility model movable counterweight system embodiment one;
Fig. 5 is that the installation of basic counter-balanced carriage and basic counterweight concerns scheme drawing among the utility model movable counterweight system embodiment one;
Fig. 6 is the annexation scheme drawing that increases the weight of frame, weight and basic counterweight among the utility model movable counterweight system embodiment one;
Fig. 7 is that amplitude variation trolley is installed in Facad structure scheme drawing on the jib among the utility model movable counterweight system embodiment two;
Fig. 8 is the lateral plan of the utility model movable counterweight system embodiment two, shows the annexation between weight box and the amplitude variation trolley;
Fig. 9 is the block diagram of weight box among the utility model movable counterweight system embodiment two;
Figure 10 is the birds-eye view of weight box among the utility model movable counterweight system embodiment two.
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.
As Fig. 2 to movable counterweight system of cantilever type crane shown in Figure 10, movable counterweight system comprises 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 by hawser.The counter weight device of living links to each other with amplitude variation trolley 3 with removably, is convenient to user's operation.
Described counter weight device alive can adopt multiple structure, one of embodiment is extremely shown in Figure 6 as 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 by 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 by bearing pin or other attaching partss, and can basic counter-balanced carriage 6 be removed from amplitude variation trolley 3 by the dismounting attaching parts.
The counter weight device of living also comprises and increases the weight of frame 9 and weight 10, increasing the weight of frame 9 links to each other with basic counterweight 8, wherein, basic counterweight 8 is a T font structure, its top has the ear of taking 8a, 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, increases 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, and weight 10 is a plurality of, be placed on the cross wall that increases the weight of frame after weight 10 can be chosen according to actual needs, regulate 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 as Fig. 7, and weight box 11 links to each other with the vehicle frame of amplitude variation trolley by 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 by the dismounting attaching parts.
The working process of the utility model movable counterweight system is as follows: the counter weight device of living can be by the suspension hook lifting of jib amplitude variation trolley, rises to be connected with the vehicle frame of amplitude variation trolley by bolt or bearing pin after being raised to the amplitude variation trolley desired location.When hoisting crane is worked by the requirement of the work amplitude variation trolley and the counter weight device of living on can mobile at any time jib, to change the top unbalanced moment.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, earlier the jib amplitude variation trolley is reached in the safe range, 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 foregoing description of the present utility model is not the qualification to the utility model protection domain; embodiment of the present utility model is not limited thereto; also can link to each other with the vehicle frame of amplitude variation trolley as basic counter-balanced carriage by tie bolt or other attaching partss; the casing of the weight box of counter weight device alive also can be divided into a plurality of chambers such as four chambers or six chambers; therefore; according to foregoing of the present utility model; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; the modification of other various ways that the utility model said structure is made; replace or change, all drop within the protection domain of the present utility model.
Claims (9)
1. movable counterweight system of cantilever type crane is characterized in that: comprise 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 described counter weight device alive is installed on the described amplitude variation trolley (3).
2. movable counterweight system of cantilever type crane according to claim 1, it is characterized in that: described amplitude variation trolley (3) has vehicle frame (3a) and wheel (3b), 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.
3. movable counterweight system of cantilever type crane according to claim 2, it is characterized in that: 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 described amplitude variation trolley, and described basic counterweight (8) is installed on the described basic counter-balanced carriage (6).
4. movable counterweight system of cantilever type crane according to claim 3 is characterized in that: described basic counter-balanced carriage (6) links to each other with the vehicle frame (3a) of described amplitude variation trolley by bolt (7) or bearing pin.
5. movable counterweight system of cantilever type crane according to claim 3, 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 the cross wall that takes up described weight in the frame (9) from top to down, and described weight (10) is placed on the described cross wall that increases the weight of frame.
6. movable counterweight system of cantilever type crane according to claim 5, it is characterized in that: described basic counterweight (8) is a T font structure, its top has the ear of taking (8a), the bottom has side intermediate plate (8b), the described 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).
7. movable counterweight system of cantilever type crane according to claim 2 is characterized in that: described counter weight device alive comprises having the weight box (11) of accommodation space with ccontaining counterweight, and described weight box (11) links to each other with the vehicle frame of described amplitude variation trolley.
8. movable counterweight system of cantilever type crane according to claim 7 is characterized in that: described weight box (11) links to each other with the vehicle frame of described amplitude variation trolley by bolt or bearing pin (12).
9. movable counterweight system of cantilever type crane according to claim 7, it is characterized in that: described weight box (11) is the body structure of upper end open, vertically be provided with two dividing plates (11a) in the weight box (11), be 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 described accommodation space holds counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202208779U CN201834690U (en) | 2010-05-31 | 2010-05-31 | Flexible counter weight system of cantilever frame type crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202208779U CN201834690U (en) | 2010-05-31 | 2010-05-31 | Flexible counter weight system of cantilever frame type crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201834690U true CN201834690U (en) | 2011-05-18 |
Family
ID=44004792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202208779U Expired - Lifetime CN201834690U (en) | 2010-05-31 | 2010-05-31 | Flexible counter weight system of cantilever frame type crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201834690U (en) |
-
2010
- 2010-05-31 CN CN2010202208779U patent/CN201834690U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |
|
| CX01 | Expiry of patent term |