CN202148155U - Novel variable-amplitude mast and crane with same - Google Patents
Novel variable-amplitude mast and crane with same Download PDFInfo
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- CN202148155U CN202148155U CN201120224313U CN201120224313U CN202148155U CN 202148155 U CN202148155 U CN 202148155U CN 201120224313 U CN201120224313 U CN 201120224313U CN 201120224313 U CN201120224313 U CN 201120224313U CN 202148155 U CN202148155 U CN 202148155U
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Abstract
The utility model relates to a novel variable-amplitude mast and a crane with the same. The novel variable-amplitude mast comprises a main-arm variable-amplitude mast and an auxiliary-arm variable-amplitude mast. The bottom end of the main-arm variable-amplitude mast is articulated with a main platform of the crane, and the bottom end is articulated with a main arm through a pull rope; the auxiliary-arm variable-amplitude mast comprises a front mast and a rear mast; the lower end of the front mast is articulated with the head of the main arm, and the upper end is connected with the upper end of an auxiliary arm and the upper end of the rear mast through a pull rope and a variable-amplitude steel wire rope; the upper end of the rear mast is connected with the main arm through a pull rope, and the lower end is fixedly connected with the head of the main arm. The weight of both the main-arm variable-amplitude mast and the auxiliary-arm variable-amplitude mast is reduced, the strength of the whole novel variable-amplitude mast is effectively guaranteed, and the craning capacity of the crane is further improved. The novel variable-amplitude mast has a simple structure and reliable performance and is convenient to transport.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of novel amplitude mast and the hoisting crane that comprises this mast.
Background technology
Hoisting crane; Common elevator machinery a kind of; Be the construction machinery and equipment that the stressed system of hoisting crane that relies on compositions such as jib and suspension hook usually carries out hoisting operation, it is widely used in the industries such as engineering construction, for important contribution has been made in the modernization construction of country.Amplitude mast is the important mechanism of crawler crane; Amplitude mast mainly comprises principal arm amplitude mast and auxiliary amplitude mast; Wherein, through main amplitude mast may command adjustment hoisting crane principal arm angle, through luffing auxiliary mast may command crane amplitude variation auxiliary angle.But, in the prior art, in order further to improve the load-carrying ability of hoisting crane, need correspondingly adopt the bigger amplitude mast of weight, and bigger weight causes certain inconvenience can for the transportation and the maintenance of whole mast.
The utility model content
The purpose of the utility model is a kind of novel amplitude mast is provided and the hoisting crane that comprises this mast, and it can realize the reduction of the weight of crane amplitude variation mast, and has guaranteed the intensity of mast simultaneously, and dependable performance is simple in structure, is convenient to transportation.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of novel amplitude mast wherein, comprises principal arm amplitude mast and auxiliary amplitude mast, and the main platform of said principal arm amplitude mast bottom and hoisting crane is hinged, captives joint with principal arm through stay cord in the top; Mast and back mast before said auxiliary amplitude mast comprises; The arm head of the lower end of mast and said principal arm is hinged before said; Its upper end is connected with the upper end of the upper end of auxiliary, said back mast respectively through stay cord, luffing steel rope respectively; The upper end of said back mast also is connected with said principal arm through stay cord, captives joint with the arm head of said principal arm in the lower end of said back mast.
Above-mentioned novel amplitude mast; Wherein, Described main amplitude mast comprises head of mast, luffing assembly pulley, carriage, crossbeam, left column, right column, captives joint with the bottom of said head of mast respectively, and be symmetrical set in said left column, said right column top separately; Said luffing assembly pulley, said carriage, said crossbeam from top to bottom successively secured in parallel be installed between said left column and the said right column; And the top of said luffing assembly pulley between said left column and said right column, and captive joint the middle part of said crossbeam between said left column and said right column with said head of mast; Said carriage is between said luffing assembly pulley and said crossbeam, and near said crossbeam setting.
Above-mentioned novel amplitude mast, wherein, described head of mast is the case structure that light gauge welding becomes.
Above-mentioned novel amplitude mast, wherein, described left column, said right column are the case structure that light gauge welding becomes.
Above-mentioned novel amplitude mast wherein, is respectively arranged with some brace panels along separately length direction within said left column, the said right column.
Above-mentioned novel amplitude mast; Wherein, Mast comprises left side beam, right side beam, entablatrance, cross sill, derrick block group and luffing assembly pulley before described; Said left side beam, said right side beam structure are identical, and are symmetrical set, said entablatrance, said cross sill from top to bottom successively secured in parallel be installed between said left side beam and the said right side beam; On the hard-wired said cross sill of said derrick block group, said luffing assembly pulley is fixedly mounted on the top between said left side beam and the said right side beam.
Above-mentioned novel amplitude mast, wherein, described left side beam is the variable section case structure that light gauge welding becomes with said right side beam, wherein, the maximum cross section of described left side beam, said right side beam is positioned at the installed position of said derrick block.
Above-mentioned novel amplitude mast; Wherein, Described back mast comprises left side beam, right side beam, entablatrance, cross sill, derrick block group, luffing assembly pulley, left sway bar, right sway bar; Said left side beam, said right side beam structure are identical, and are symmetrical set, said entablatrance, said cross sill from top to bottom successively secured in parallel be installed between said left side beam and the said right side beam; On the hard-wired said cross sill of said derrick block group, said luffing assembly pulley is fixedly mounted on the top between said left side beam and the said right side beam; Said left sway bar, said right sway bar are fixedly mounted on the front side of said left side beam, said right side beam respectively, and are positioned near the installed position of said entablatrance.
Above-mentioned novel amplitude mast; Wherein, Described left side beam is the variable section case structure that light gauge welding becomes with said right side beam, and wherein, the maximum cross section of described left side beam and said right side beam lays respectively near the stress point of said left sway bar, said right sway bar.
A kind of hoisting crane comprises principal arm, auxiliary and amplitude mast, main platform; Said principal arm lower end is hinged on the said main platform, and said auxiliary is fixedly mounted on the arm head of said principal arm, wherein; Described amplitude mast is above-mentioned each described novel amplitude mast; Comprise said principal arm amplitude mast and said auxiliary amplitude mast, said principal arm amplitude mast bottom and said main platform are hinged, and the top is connected with said principal arm through stay cord; Said auxiliary amplitude mast comprises said preceding mast and said back mast; The arm head of the lower end of mast and said principal arm is hinged before said; The upper end is connected with the upper end of the upper end of auxiliary, said back mast through stay cord, luffing steel rope respectively; The upper end of said back mast also is connected with said principal arm through stay cord, captives joint with the arm head of said principal arm in the lower end of said back mast.
Novel amplitude mast of the utility model and the hoisting crane that comprises this mast; Owing to adopted the auxiliary amplitude mast of thin plate case structure of principal arm amplitude mast and the variable section of the case structure that light gauge welding becomes, in the weight that further alleviates principal arm amplitude mast and auxiliary amplitude mast, effectively ensured the intensity of whole mast; Further improved the load-carrying ability of hoisting crane; Simple in structure, dependable performance is convenient to transportation.
Description of drawings
Fig. 1 is that the installation of principal arm amplitude mast on hoisting crane in the novel amplitude mast of the utility model concerns scheme drawing;
Fig. 2 is the structural representation of the principal arm amplitude mast shown in Fig. 1;
Fig. 3 be in left column and the right column in the principal arm amplitude mast shown in Figure 2 brace panel at distribution schematic diagram;
Fig. 4 is the structural representation of the preceding mast in the auxiliary amplitude mast in the utility model;
The structural representation of the back mast in the auxiliary amplitude mast in Fig. 5 the utility model;
Fig. 6 is that auxiliary amplitude mast and the installation of principal arm and auxiliary in the utility model concerns scheme drawing.
The specific embodiment
Below in conjunction with Figure of description the utility model is done further detailed explanation.
Easy in order to describe ground, please at first referring to Fig. 1-3.As shown in Figure 1, captive joint through stay cord 101 with the top of principal arm 100 in the top of the principal arm amplitude mast 1 in the amplitude mast of the utility model, and the main platform 102 of its bottom and hoisting crane is hinged.Like Fig. 2, shown in Figure 3, principal arm amplitude mast 1 comprises head of mast 11, luffing assembly pulley 12; Carriage 13, crossbeam 14, left column 15; Right column 16, wherein, captive joint with the bottom of head of mast 11 respectively in left column 15, right column 16 top separately; And be symmetrical set; Luffing pulley 12, carriage 13, crossbeam 14 are fixedly mounted between left column 15 and the right column 16 from top to bottom successively abreast, and luffing assembly pulley 12 is fixedly mounted on the top between left column 15 and the right column 16, and captive joint with head of mast 11; Crossbeam 14 is arranged on the middle part between left column and the said right column; And captive joint with the corresponding inboard of left column 15, right column 16 respectively in the two ends of crossbeam 14; Carriage 13 is between luffing assembly pulley 12 and crossbeam 14; And near crossbeam 14 settings, captive joint with left column 15, right column 16 respectively in its two ends.When install connecting, the bottom of principal arm amplitude mast 1 and main platform 102 are hinged, also are that the lower end separately of left column 15, right column 15 is hinged with main platform 102 respectively; Head of mast 11 is captiveed joint with the top of principal arm 100 through stay cord 101; Luffing assembly pulley 12 is connected with luffing steel rope 103, like this, and through changing the length of luffing steel rope 103; Make main amplitude mast 1 rotate around the hinge-point of itself and main platform 102; Because main amplitude mast 1 is captiveed joint with the top of principal arm 100 through stay cord, the rotation of amplitude mast 1 can correspondingly drive principal arm 100 ground and rotate, thereby reaches the purpose of the angle of adjustment principal arm 100.
Fig. 4 shows the structure of the preceding mast 21 in the auxiliary amplitude mast 2.As shown in Figure 4; Preceding mast 21 comprises left side beam 211, right side beam 212, entablatrance 213, cross sill 214, derrick block group 215 and luffing assembly pulley 216; Wherein, Left side beam 211 is identical with the structure of right side beam 212, and is symmetrical set, entablatrance 213, cross sill 214 from top to bottom successively secured in parallel be installed between left side beam 211 and the right side beam 212; On the derrick block group 215 hard-wired cross sills 214, luffing assembly pulley 216 is fixedly mounted on the top between left side beam 213 and the right side beam 214.
Fig. 5 shows the structure of the back mast 22 in the auxiliary amplitude mast 2.As shown in Figure 5; The similar of back mast 22 and preceding mast 21; It comprises left side beam 221, right side beam 222, entablatrance 223, cross sill 224, derrick block group 225 and luffing assembly pulley 226, and wherein, left side beam 221 is identical with the structure of right side beam 222; And be symmetrical set; Entablatrance 223, cross sill 224 from top to bottom successively secured in parallel be installed between left side beam 221 and the right side beam 222, on the derrick block group 225 hard-wired cross sills 224, luffing assembly pulley 226 is fixedly mounted on the top between left side beam 223 and the right side beam 224.In addition; Back mast 22 is with some differences of preceding mast 21; It also further comprises left sway bar 227 and right sway bar 228, and left sway bar 227 is fixedly mounted on the front side of left side beam 221, right side beam 222 respectively with right sway bar 228, and is positioned near the installed position of entablatrance 223.
The installation that Fig. 6 shows auxiliary amplitude mast 2 and principal arm 100 and auxiliary 105 concerns scheme drawing.As shown in Figure 6; The lower end of the lower end of auxiliary 105, preceding mast 21 also is that the lower end separately of left side beam 211 and right side beam 212 is hinged with the arm head 106 of principal arm 100 respectively; Captive joint with the upper end of auxiliary 105 through stay cord 107 respectively in the upper end of preceding mast 21; Luffing assembly pulley 216 on the preceding mast 21 is connected through the luffing assembly pulley 226 of luffing steel rope 108 with back mast 22; Also captive joint with principal arm 100 through stay cord 109 in the upper end of back mast 22, captive joint with the arm head 106 of principal arm 100 in the lower end of back mast 22, simultaneously; Back mast 22 is also captiveed joint with principal arm 100 with right sway bar 228 through left sway bar 227, thereby makes back mast 22 captive joint with principal arm.
During work; Because the lower end of preceding mast 21 and the arm head 106 of principal arm 100 are hinged; Captive joint with the top of auxiliary through stay cord 107 in the upper end, then mast 22 is fixedly connected on the principal arm 100, and the luffing assembly pulley 216 of preceding mast 21 is connected through steel rope 108 with the luffing assembly pulley 226 of back mast 22; Change the length of luffing steel rope 108; Preceding mast 21 will rotate around the hinge-point on its arm head 106 at principal arm 100, and then makes the hinge-point of auxiliary 105 on its arm head 106 at principal arm 100 rotate, thereby arrives the purpose of the angle of regulating auxiliary 105.
Simultaneously, in the present embodiment, the head of mast 11 of principal arm amplitude mast 1, left column 15, right column 16 are respectively the case structure that light gauge welding forms.Simultaneously, in order further to improve the strut stability of principal arm amplitude mast 1, being respectively in the case structure that light gauge welding forms along length direction separately of left column 15, right column 16 is provided with some brace panels 17 (seeing also shown in Figure 3).Simultaneously; Preceding mast 21 left side beams 211 in the auxiliary amplitude mast 2 in the present embodiment also weld the case structure that forms for thin plate with the left side beam 221 of right side beam 212 and back mast 22 with right side beam 222; And be the case structure of variable section; Wherein, Preceding mast 21 left side beams 211 and right side beam 212 maximum cross section separately lay respectively at the installed position of derrick block group 215, reach the left side beam 221 of back mast 22 and the maximum cross section of right side beam 222 and lay respectively near the stress point of left sway bar 227 and right sway bar 228.Adopting the purpose of the case structure of variable section is when alleviating the weight of each curb girder, according to the stressed distribution situation of each curb girder, further strengthens the intensity of appropriate section.
The utility model also discloses a kind of hoisting crane that uses above-mentioned novel amplitude mast; Because the mast structure and the prior art of this hoisting crane are distinct; Other parts are not drawn; Those skilled in the art can combine the prior art grasp to adopt the structure of other parts of hoisting crane of this novel amplitude mast, so do not repeat them here.
In sum, the novel amplitude mast of the utility model with comprise the hoisting crane of this mast owing to adopted the auxiliary amplitude mast of thin plate case structure of principal arm amplitude mast and the variable section of the case structure that light gauge welding becomes; In the weight that further alleviates principal arm amplitude mast and auxiliary amplitude mast; Effectively ensure the intensity of whole mast, further improved the load-carrying ability of hoisting crane, simple in structure; Dependable performance is convenient to transportation.
Should be pointed out that foregoing is the enumerating of preferred forms of the utility model, the part of wherein describing in detail to the greatest extent is construed as with the general fashion in present technique field and implements.Simultaneously, for one of ordinary skill in the art, equivalent transformation and the modification in not departing from the spiritual category of the utility model, the utility model done all will fall within the protection domain of claim of the utility model.
Claims (10)
1. a novel amplitude mast is characterized in that, comprises principal arm amplitude mast and auxiliary amplitude mast, and the main platform of said principal arm amplitude mast bottom and hoisting crane is hinged, captives joint with principal arm through stay cord in the top; Mast and back mast before said auxiliary amplitude mast comprises; The arm head of the lower end of mast and said principal arm is hinged before said; Its upper end is connected with the upper end of the upper end of auxiliary, said back mast respectively through stay cord, luffing steel rope respectively; The upper end of said back mast also is connected with said principal arm through stay cord, captives joint with the arm head of said principal arm in the lower end of said back mast.
2. novel amplitude mast as claimed in claim 1; It is characterized in that; Described main amplitude mast comprises head of mast, luffing assembly pulley, carriage, crossbeam, left column, right column, captives joint with the bottom of said head of mast respectively, and be symmetrical set in said left column, said right column top separately; Said luffing assembly pulley, said carriage, said crossbeam from top to bottom successively secured in parallel be installed between said left column and the said right column; And the top of said luffing assembly pulley between said left column and said right column, and captive joint the middle part of said crossbeam between said left column and said right column with said head of mast; Said carriage is between said luffing assembly pulley and said crossbeam, and near said crossbeam setting.
3. novel amplitude mast as claimed in claim 2 is characterized in that, described head of mast is the case structure that light gauge welding becomes.
4. novel amplitude mast as claimed in claim 2 is characterized in that, described left column, said right column are the case structure that light gauge welding becomes.
5. novel amplitude mast as claimed in claim 2 is characterized in that, is respectively arranged with some brace panels along separately length direction within said left column, the said right column.
6. novel amplitude mast as claimed in claim 1; It is characterized in that; Mast comprises left side beam, right side beam, entablatrance, cross sill, derrick block group and luffing assembly pulley before described; Said left side beam, said right side beam structure are identical, and are symmetrical set, said entablatrance, said cross sill from top to bottom successively secured in parallel be installed between said left side beam and the said right side beam; On the hard-wired said cross sill of said derrick block group, said luffing assembly pulley is fixedly mounted on the top between said left side beam and the said right side beam.
7. novel amplitude mast as claimed in claim 6; It is characterized in that; Described left side beam is the variable section case structure that light gauge welding becomes with said right side beam, and wherein, the maximum cross section of described left side beam, said right side beam is positioned at the installed position of said derrick block.
8. novel amplitude mast as claimed in claim 1; It is characterized in that; Described back mast comprises left side beam, right side beam, entablatrance, cross sill, derrick block group, luffing assembly pulley, left sway bar, right sway bar; Said left side beam, said right side beam structure are identical, and are symmetrical set, said entablatrance, said cross sill from top to bottom successively secured in parallel be installed between said left side beam and the said right side beam; On the hard-wired said cross sill of said derrick block group, said luffing assembly pulley is fixedly mounted on the top between said left side beam and the said right side beam; Said left sway bar, said right sway bar are fixedly mounted on the front side of said left side beam, said right side beam respectively, and are positioned near the installed position of said entablatrance.
9. novel amplitude mast as claimed in claim 8; It is characterized in that; Described left side beam is the variable section case structure that light gauge welding becomes with said right side beam; Wherein, the maximum cross section of described left side beam and said right side beam lays respectively near the stress point of said left sway bar, said right sway bar.
10. a hoisting crane comprises principal arm, auxiliary and amplitude mast, main platform; Said principal arm lower end is hinged on the said main platform, and said auxiliary is fixedly mounted on the arm head of said principal arm, it is characterized in that; Described amplitude mast is the described novel amplitude mast of the arbitrary claim of claim 1-9; Comprise said principal arm amplitude mast and said auxiliary amplitude mast, said principal arm amplitude mast bottom and said main platform are hinged, and the top is connected with said principal arm through stay cord; Said auxiliary amplitude mast comprises said preceding mast and said back mast; The arm head of the lower end of mast and said principal arm is hinged before said; The upper end is connected with the upper end of the upper end of auxiliary, said back mast through stay cord, luffing steel rope respectively; The upper end of said back mast also is connected with said principal arm through stay cord, captives joint with the arm head of said principal arm in the lower end of said back mast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224313U CN202148155U (en) | 2011-06-29 | 2011-06-29 | Novel variable-amplitude mast and crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224313U CN202148155U (en) | 2011-06-29 | 2011-06-29 | Novel variable-amplitude mast and crane with same |
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| Publication Number | Publication Date |
|---|---|
| CN202148155U true CN202148155U (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120224313U Expired - Fee Related CN202148155U (en) | 2011-06-29 | 2011-06-29 | Novel variable-amplitude mast and crane with same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583178A (en) * | 2012-03-26 | 2012-07-18 | 上海三一科技有限公司 | Main amplitude mast of crawler crane and crane comprising mast |
| CN103010972A (en) * | 2012-12-10 | 2013-04-03 | 三一重工股份有限公司 | Fly jib and crane comprising same |
| CN112710094A (en) * | 2021-02-01 | 2021-04-27 | 上海晶电新能源有限公司 | Secondary reflection system and solar light-gathering and heat-collecting system with same |
| CN113371623A (en) * | 2021-06-30 | 2021-09-10 | 浙江三一装备有限公司 | Universal combination method for super-lift mast, crane and arm support |
| CN113979336A (en) * | 2021-10-29 | 2022-01-28 | 徐州重型机械有限公司 | Auxiliary arm structure of crane and crane |
-
2011
- 2011-06-29 CN CN201120224313U patent/CN202148155U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583178A (en) * | 2012-03-26 | 2012-07-18 | 上海三一科技有限公司 | Main amplitude mast of crawler crane and crane comprising mast |
| CN103010972A (en) * | 2012-12-10 | 2013-04-03 | 三一重工股份有限公司 | Fly jib and crane comprising same |
| CN103010972B (en) * | 2012-12-10 | 2015-10-28 | 三一重工股份有限公司 | A kind of auxiliary and comprise the hoisting crane of this auxiliary |
| CN112710094A (en) * | 2021-02-01 | 2021-04-27 | 上海晶电新能源有限公司 | Secondary reflection system and solar light-gathering and heat-collecting system with same |
| CN113371623A (en) * | 2021-06-30 | 2021-09-10 | 浙江三一装备有限公司 | Universal combination method for super-lift mast, crane and arm support |
| CN113371623B (en) * | 2021-06-30 | 2023-08-15 | 浙江三一装备有限公司 | Universal combination method for super-lifting mast, crane and arm support |
| CN113979336A (en) * | 2021-10-29 | 2022-01-28 | 徐州重型机械有限公司 | Auxiliary arm structure of crane and crane |
| CN113979336B (en) * | 2021-10-29 | 2024-04-09 | 徐州重型机械有限公司 | Auxiliary arm structure of crane and crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20160629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |