CN101386398A - Boom tower crane double-rope pulling arm - Google Patents
Boom tower crane double-rope pulling arm Download PDFInfo
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- CN101386398A CN101386398A CNA2008100463972A CN200810046397A CN101386398A CN 101386398 A CN101386398 A CN 101386398A CN A2008100463972 A CNA2008100463972 A CN A2008100463972A CN 200810046397 A CN200810046397 A CN 200810046397A CN 101386398 A CN101386398 A CN 101386398A
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- assembly pulley
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- rope
- torque arm
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Abstract
The invention relates to the field of operation transportation, in particular to a draw arm of a whipping tower crane, aiming at solving the technique problem that a singe lope stretching mode of the existing whipping tower crane has enormously potential safety hazard. The draw arm of the double rope stretching of the whipping tower crane comprises an A-shaped strutting 13 which is arranged on a balance arm 10 at the top of a tower body 24, and a hoisting mechanism 22; wherein, one end of the balance arm 10 far from the tower body is provided with a movable arm and draw arm mechanism wound roll 25; a draw arm rope A11 which is connected with one end of the movable arm and draw arm mechanism sequentially rounds a tower top pulley 3, a pull rod pulley group A5, a tower cap pulley group A4, and then is connected with a balance tethering device 8 which is arranged at the top of the A-shaped strutting 13. The draw arm is suitable for the whipping tower crane.
Description
Technical field
The present invention relates to the operation transport field, particularly the torque arm of swing arm tower crane.
Background technology
The tradition whip-typed tower crane is huge weight because its crane arm need be loaded; for alleviating torque arm pull of steel wire load; usually adopt the mode of running block and fixed pulley combinations of pairs in design; as adopt many torque arm steel ropes; very easily kink when then it turns around on assembly pulley; influence the normal running of hoisting crane; therefore the common torque arm of traditional whip-typed tower crane mechanism all adopts single rope stretching mode; rupture as this torque arm steel rope suddenly; because safety method for the second time is not set; to directly cause the crane arm tenesmus and cause big accident, and the existing at home and abroad many illustrations of this type of accident.
In addition, as adopt torque arm steel rope more than two or two, how the several torque arm pull of steel wire loads of balance also are the prior art problem demanding prompt solutions, can not active balance as several torque arm pull of steel wire load, there is great safety misadventure hidden danger equally.
Summary of the invention
The present invention is intended to solve the technical matters that there is very big potential safety hazard in existing whip-typed tower crane list rope stretching mode, so that a kind of boom tower crane double-rope pulling arm that adopts double-rope mode, safe and reliable and two torque arm ropes to have balanced load to be provided.
The objective of the invention is to be achieved through the following technical solutions.
Boom tower crane double-rope pulling arm, comprise A word support 13, the lifting mechanism 22 be located on the body of the tower 24 top equilibrium arms 10, wherein equilibrium arm 10 is provided with swing arm torque arm mechanism reel 25 away from an end of body of the tower, the torque arm rope A11 that is connected swing arm torque arm mechanism reel 25 1 ends walks around cat head pulley 3, pull bar assembly pulley A5, tower cap assembly pulley A4 in turn, is connected to be positioned on the balance tether device 8 that A supports 13 tops; The torque arm rope B12 that is connected swing arm torque arm mechanism reel 25 other ends walks around cat head pulley 3, pull bar assembly pulley B7, tower cap assembly pulley B6 in turn, is connected to be positioned on the balance tether device 8 that A supports 13 tops.
Aforesaid boom tower crane double-rope pulling arm, wherein said swing arm torque arm mechanism reel 25 is made of the reel A1 of swing arm torque arm mechanism and the reel B2 of the swing arm torque arm mechanism serial connection of coaxial core.
Aforesaid boom tower crane double-rope pulling arm, the end of wherein said torque arm rope A11 is fixed on the reel A1 of swing arm torque arm mechanism, its other end is walked around cat head pulley 3, pull bar assembly pulley A5, tower cap assembly pulley A4 in turn, is connected to be positioned on the balance tether device 8 that A supports 13 tops; The end of torque arm rope B12 is fixed on the reel B2 of swing arm torque arm mechanism, and its other end is walked around cat head pulley 3, pull bar assembly pulley B7, tower cap assembly pulley B6 in turn, is connected to be positioned on the balance tether device 8 that A supports 13 tops.
Aforesaid boom tower crane double-rope pulling arm, wherein said balance tether device 8 is fixed on the A word and supports 13 tops, and balance tether device 8 along the circumferential direction is distributed with 2-12 and connects stake or perforation.
Aforesaid boom tower crane double-rope pulling arm, wherein pull bar assembly pulley A5, pull bar assembly pulley B7 are running block, tower cap assembly pulley A4, tower cap assembly pulley B6 are the fixed pulley group.
Aforesaid boom tower crane double-rope pulling arm, wherein pull bar assembly pulley A5, tower cap assembly pulley A4 respectively are composed of by 1-10 pulleys.
Aforesaid boom tower crane double-rope pulling arm, wherein pull bar assembly pulley B7, tower cap assembly pulley B6 respectively are composed of by 1-10 pulleys.
The beneficial effect of boom tower crane double-rope pulling arm of the present invention:
1. adopt the double-rope design, safe and reliable, the accidental falling of effectively avoiding crane arm to cause because of the torque arm fracture of rope;
2. two torque arm ropes have balanced load, further improve the stability and security that uses.
Description of drawings
Fig. 1 is a double-rope scheme drawing of the present invention
Fig. 2 is a front view of the present invention
Fig. 3 is a tower machine of the present invention top partial enlarged drawing
Number in the figure explanation: the 1 reel A of swing arm torque arm mechanism, the 2 reel B of swing arm torque arm mechanism, 3 cat head pulleys, 4 tower cap assembly pulley A, 5 pull bar assembly pulley A, 6 tower cap assembly pulley B, 7 pull bar assembly pulley B, 8 balance tether devices, 9 outstanding pull bars, 10 equilibrium arms, 11 torque arm rope A, 12 torque arm rope B, the support of 13A word, 21 crane arms, 22 lifting mechanisms, 23 pivoting supports, 24 bodies of the tower, 25 swing arm torque arm mechanism reels
The specific embodiment
Detailed structure of the present invention, application principle, effect and effect are illustrated by following embodiment with reference to accompanying drawing 1-3.
Consult shown in Fig. 1-3, boom tower crane double-rope pulling arm of the present invention, comprise A word support 13, the lifting mechanism 22 be located on the body of the tower 24 top equilibrium arms 10, wherein equilibrium arm 10 is provided with the reel A1 of swing arm torque arm mechanism and the reel B2 of swing arm torque arm mechanism of coaxial core away from an end of body of the tower, and reel A1 of swing arm torque arm mechanism and the reel B2 of swing arm torque arm mechanism can be replaced by the swing arm torque arm mechanism reel 25 that the centre have a stripper loop in concrete the application.
The end of torque arm rope A11 is fixed on the reel A1 of swing arm torque arm mechanism, and its other end is walked around cat head pulley 3, pull bar assembly pulley A5, tower cap assembly pulley A4 in turn, is connected to be positioned on the balance tether device 8 that A supports 13 tops; The end of torque arm rope B12 is fixed on the reel B2 of swing arm torque arm mechanism, and its other end is walked around cat head pulley 3, pull bar assembly pulley B7, tower cap assembly pulley B6 in turn, is connected to be positioned on the balance tether device 8 that A supports 13 tops.
After torque arm rope A11 and torque arm rope B12 turned around cat head pulley, pull bar assembly pulley and tower cap assembly pulley, end is fixed on 8 corresponding connections in the stake of balance tether device, because connecting stake, several are distributed on the disk, when fixing torque arm rope, can fully select optimum connection location, reach the purpose that keeps tensile load balance between two torque arm ropes.
Pull bar assembly pulley A5, pull bar assembly pulley B7 are running block, and tower cap assembly pulley A4, tower cap assembly pulley B6 are the fixed pulley group.
Pull bar assembly pulley A5, tower cap assembly pulley A4 respectively are composed of by 4 pulleys in the present embodiment.Pull bar assembly pulley B7, tower cap assembly pulley B6 are composed of each by 4 pulleys, in actual applications, can select each 1-10 pulley pairing for use.
From the above, boom tower crane double-rope pulling arm of the present invention adopts the double-rope design, the accidental falling that can effectively avoid crane arm to cause because of the torque arm fracture of rope, two torque arm ropes have balanced load simultaneously, have further improved the safety in utilization of swing arm tower crane.
Claims (7)
1. boom tower crane double-rope pulling arm, comprise the support of A word (13), the lifting mechanism (22) be located on body of the tower (24) the top equilibrium arm (10), it is characterized in that: equilibrium arm (10) is provided with swing arm torque arm mechanism reel (25) away from an end of body of the tower, the torque arm rope A (11) that is connected swing arm torque arm mechanism reel (25) one ends walks around cat head pulley (3), pull bar assembly pulley A (5), tower cap assembly pulley A (4) in turn, is connected on the balance tether device (8) that is positioned at A support (13) top; The torque arm rope B (12) that is connected swing arm torque arm mechanism reel (25) other end walks around cat head pulley (3), pull bar assembly pulley B (7), tower cap assembly pulley B (6) in turn, is connected on the balance tether device (8) that is positioned at A support (13) top.
2. boom tower crane double-rope pulling arm as claimed in claim 1 is characterized in that: described swing arm torque arm mechanism's reel (25) is made of the reel A of swing arm torque arm mechanism (1) and the reel B of swing arm torque arm mechanism (2) serial connection of coaxial core.
3. boom tower crane double-rope pulling arm as claimed in claim 2, it is characterized in that: the end of described torque arm rope A (11) is fixed on the reel A of swing arm torque arm mechanism (1), its other end is walked around cat head pulley (3), pull bar assembly pulley A (5), tower cap assembly pulley A (4) in turn, is connected on the balance tether device (8) that is positioned at A support (13) top; The end of torque arm rope B (12) is fixed on the reel B of swing arm torque arm mechanism (2), and its other end is walked around cat head pulley (3), pull bar assembly pulley B (7), tower cap assembly pulley B (6) in turn, is connected on the balance tether device (8) that is positioned at A support (13) top.
4. boom tower crane double-rope pulling arm as claimed in claim 1 is characterized in that: described balance tether device (8) is fixed on A word support (13) top, and balance tether device (8) along the circumferential direction is distributed with 2-12 and connects stake or perforation.
5. boom tower crane double-rope pulling arm as claimed in claim 1 is characterized in that: pull bar assembly pulley A (5), pull bar assembly pulley B (7) are running block, and tower cap assembly pulley A (4), tower cap assembly pulley B (6) are the fixed pulley group.
6. boom tower crane double-rope pulling arm as claimed in claim 1 is characterized in that: pull bar assembly pulley A (5), tower cap assembly pulley A (4) are composed of each by 1-10 pulleys.
7. boom tower crane double-rope pulling arm as claimed in claim 1 is characterized in that: pull bar assembly pulley B (7), tower cap assembly pulley B (6) are composed of each by 1-10 pulleys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100463972A CN101386398A (en) | 2008-10-28 | 2008-10-28 | Boom tower crane double-rope pulling arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100463972A CN101386398A (en) | 2008-10-28 | 2008-10-28 | Boom tower crane double-rope pulling arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101386398A true CN101386398A (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100463972A Pending CN101386398A (en) | 2008-10-28 | 2008-10-28 | Boom tower crane double-rope pulling arm |
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| CN (1) | CN101386398A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613010A (en) * | 2013-11-22 | 2014-03-05 | 中联重科股份有限公司 | Luffing jib tower crane |
| CN105174109A (en) * | 2015-07-15 | 2015-12-23 | 中南大学 | Experiment table for winding type mine hoist |
| CN110240071A (en) * | 2019-06-06 | 2019-09-17 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of large pitching angle degree derricking rope wind and winding method |
| CN116534754A (en) * | 2023-07-06 | 2023-08-04 | 成都久和至诚智能装备有限责任公司 | Steel wire rope pre-tightening system and method for crane working mechanism |
-
2008
- 2008-10-28 CN CNA2008100463972A patent/CN101386398A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613010A (en) * | 2013-11-22 | 2014-03-05 | 中联重科股份有限公司 | Luffing jib tower crane |
| CN105174109A (en) * | 2015-07-15 | 2015-12-23 | 中南大学 | Experiment table for winding type mine hoist |
| CN110240071A (en) * | 2019-06-06 | 2019-09-17 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of large pitching angle degree derricking rope wind and winding method |
| CN116534754A (en) * | 2023-07-06 | 2023-08-04 | 成都久和至诚智能装备有限责任公司 | Steel wire rope pre-tightening system and method for crane working mechanism |
| CN116534754B (en) * | 2023-07-06 | 2023-11-21 | 成都久和至诚智能装备有限责任公司 | Steel wire rope pre-tightening system and method for crane working mechanism |
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Open date: 20090318 |