CN2297432Y - Easy-to-dismount top rotating tower crane - Google Patents
Easy-to-dismount top rotating tower crane Download PDFInfo
- Publication number
- CN2297432Y CN2297432Y CN 96226140 CN96226140U CN2297432Y CN 2297432 Y CN2297432 Y CN 2297432Y CN 96226140 CN96226140 CN 96226140 CN 96226140 U CN96226140 U CN 96226140U CN 2297432 Y CN2297432 Y CN 2297432Y
- Authority
- CN
- China
- Prior art keywords
- amplitude
- arm
- changing drum
- tower crane
- model
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an upwardly rotary tower crane, which mainly comprises a tower body (1), a balancing arm (2), a boom (3), a hoisting mechanism, an amplitude changing carriage (4) and a hook assembly pulley (5). The utility model is characterized in that the front of an upper rotary platform is provided with carriage station (6) which the amplitude changing carriage (4) can enter, the front of the guide rail of the amplitude changing carriage (4) is correspondingly provided with a towing vehicle (7), and the balancing arm (2) is respectively provided with a hoisting reel drum (8) and an amplitude changing reel drum (9). The utility model has the advantages of simple structure and convenient operation and can avoid the disassembly of steel cables in the air, and the utility model can be widely used in the industry of buildings transportation.
Description
The utility model belongs to tower crane, particularly a kind of high-level slewing tower crane.
At present, generally use tower crane as material handling machinery in the engineering construction, high-level slewing tower crane is used more, and particularly skyscraper is mainly used high-level slewing tower crane.Now, also there are some problems in high-level slewing tower crane, such as, need on unsettled arm, hoist rope be installed after installing arm, adjust luffing steel rope etc.This work is dangerous big, the labour intensity height, and also dirty especially.
It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, and can avoid the high-level slewing tower crane of dismounting steel rope aloft.
The technical solution of the utility model is as follows:
On the basis of former general-duty high-level slewing tower crane, set up little station, make tower crane in dismounting, topsides such as amplitude variation trolley, hoist lifting hook pulley group and last turntable be formed one unit, dismounting steel rope aloft in like this, just can avoiding installing.The fixing of arm end luffing leading sheave and raising line all is to fix by the blocking device automatic interlock of trailer and arm end.Manual control separates.In addition, luffing rope of the present utility model all is deployed in below the outside of jib, and the luffing rope is to be driven by two reels, with connecting pin two winding drum is connected together during work.
The utility model is simple in structure, and is easy to use, and the deployment by later-model luffing mechanism and luffing rope and raising line, installation method make that going up the turret machine not be used on the unsettled arm and wear around steel rope when whole erection or dismounting.In addition, by to becoming resetting of multiplying power pulley position, improved the stability of this pulley.
Below in conjunction with accompanying drawing in detail preferred forms of the present utility model is described in detail:
Fig. 1 is an integral structure scheme drawing of the present utility model
Fig. 2 is the utility model top of tower separation structure scheme drawing
Fig. 3 is the structural representation of the another kind of form of the utility model cat head part
Fig. 4 twines and the fixed form scheme drawing for the utility model raising line
Fig. 5 is that the utility model luffing rope twines and the fixed form scheme drawing
As Fig. 1, shown in Fig. 2 (or Fig. 3), the utility model is mainly by body of the tower 1, equilibrium arm 2, arm 3, lifting mechanism, amplitude variation trolley 4, lifting hook pulley group 5, be positioned at the hoisting drum 8 on the equilibrium arm 3, amplitude-changing drum 9 is formed, be characterized in: a dolly station 6 that can enter amplitude variation trolley is set in last turntable front portion, is being furnished with trailer 7 along the anterior correspondence of described amplitude variation trolley 4 guide rails, described amplitude-changing drum 9 is by coaxial amplitude-changing drum A, amplitude-changing drum B constitutes, amplitude-changing drum B and its axle drive shaft are fixed, amplitude-changing drum A is sleeved on the axle drive shaft and by connecting pin 22 and links to each other with amplitude-changing drum B, outer end on described arm 3 is provided with blocking device 10, blocking device 10 is by bearing 18, can be around the lever 17 of bearing 18 rotations, the left and right sides, upper end at lever 17 is furnished with hauling rope 19 respectively, spring 20, the other end of spring 20 and arm 3 are fixing, lower area is provided with non-return axle 21 in the left side of lever 17, rope on the hoisting drum 8 is by the leading sheave 11 that hoists, the pulley 13 of 6 bottoms, dolly station, the pulley 14 of amplitude variation trolley 4 left ends around after lifting hook pulley group 5 again the pulley 15 through amplitude variation trolley 4 right-hand members join with trailer 7; Rope on the amplitude-changing drum A is by luffing leading sheave 12a, the pulley 13c of 6 bottoms, dolly station and amplitude variation trolley one end join, rope on the amplitude-changing drum B is by the pulley 13d of luffing leading sheave 12b, 6 bottoms, dolly station, and leading sheave 16 backs on the trailer 7 join with the other end of described amplitude variation trolley 4.In the installation process, just all parts more than the pivoting support undersetting all have been mounted to one (except that arm and counterbalanced weight) on ground, it has comprised amplitude variation trolley 4, luffing mechanism, lifting hook pulley group 5 and trailer 7 etc., to hoist and the luffing steel cable is worn by the form of Fig. 4 and Fig. 5 and wound, lift the body of the tower top with runabout crane, form, suitably transfer suspension hook as Fig. 2 or state shown in Figure 3, dial connecting pin 22 (see figure 5)s between two amplitude-changing drums down, allow rotating cylinder B put rope.Use the manpower driving-trailer, make it enter downward-sloping arm 3, after trailer 7 enters the bevelled arm, under the effect of deadweight, slide to the arm end 7 times along arm, and the locked device locking at arm end place, again two amplitude-changing drums have been connected rice, arm 3 has been sling carried out remaining erection work then.Be earlier crane carriage to be received dolly station 6 when tearing tower open, pull up the connecting pin 22 between two amplitude-changing drums, hauling rope 19 among pulling Fig. 4 makes lever 17 outer in avoiding anchor shaft 23 positions on the trailer 7.Drive amplitude-changing drum B, reclaim the luffing rope trailer 7 is regained dolly station 6, and pack up hoist rope, the counterweight of just can dismantling and arm 3.All do not need the dismounting steel rope so aloft in the dismounting, brought convenience for mounting or dismounting work.
In addition, the utility model for the change multiplying power pulley 24 in the lifting hook pulley group 5 make its when 2 multiplying powers and suspension hook together, when 4 multiplying powers, can connect together becoming multiplying power pulley yoke and amplitude variation trolley 4.
Claims (3)
1, a kind of high-level slewing tower crane of easy accessibility, mainly by body of the tower (1), equilibrium arm (2), arm (3), lifting mechanism, amplitude variation trolley (4), lifting hook pulley group (5), hoisting drum (8), amplitude-changing drum (9) is formed, it is characterized in that: a little station (6) that can enter amplitude variation trolley is set in last turntable front portion, is being furnished with trailer (7) along the anterior correspondence of described amplitude variation trolley (4) guide rail, described amplitude-changing drum (9) is by amplitude-changing drum A, amplitude-changing drum B constitutes, amplitude-changing drum B and its axle drive shaft are fixed, amplitude-changing drum A is sleeved on the axle drive shaft and by connecting pin (22) and links to each other with amplitude-changing drum B, is provided with blocking device (10) in the outer end of described arm (3).
2, high-level slewing tower crane according to claim 1, it is characterized in that: described blocking device is by bearing (18), the lever (17) that can rotate around bearing (18), be furnished with hauling rope (19), spring (20) respectively in the left and right sides, upper end of described lever (17), the other end of spring (20) and arm (3) are fixing, are provided with non-return axle (21) at the left side lower area of lever (17).
3, high-level slewing tower crane according to claim 1 and 2 is characterized in that: the change multiplying power pulley (24) in described lifting hook pulley group (5) during in low range and suspension hook together, when high magnification and described amplitude variation trolley (4) connect together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96226140 CN2297432Y (en) | 1996-04-30 | 1996-04-30 | Easy-to-dismount top rotating tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96226140 CN2297432Y (en) | 1996-04-30 | 1996-04-30 | Easy-to-dismount top rotating tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2297432Y true CN2297432Y (en) | 1998-11-18 |
Family
ID=33904616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96226140 Expired - Fee Related CN2297432Y (en) | 1996-04-30 | 1996-04-30 | Easy-to-dismount top rotating tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2297432Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491186A (en) * | 2011-12-19 | 2012-06-13 | 中联重科股份有限公司 | Tower crane |
| CN103879902A (en) * | 2014-03-21 | 2014-06-25 | 江西中天机械有限公司 | Method for hoisting large accessories by using luffing mechanisms |
| CN104071199A (en) * | 2014-07-04 | 2014-10-01 | 彭成 | Lever goods shifting cart |
| CN110395668A (en) * | 2019-08-08 | 2019-11-01 | 新疆庞源机械工程有限公司 | A kind of cantilever crane of installation derrick crane attachment pull rod |
-
1996
- 1996-04-30 CN CN 96226140 patent/CN2297432Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491186A (en) * | 2011-12-19 | 2012-06-13 | 中联重科股份有限公司 | Tower crane |
| CN103879902A (en) * | 2014-03-21 | 2014-06-25 | 江西中天机械有限公司 | Method for hoisting large accessories by using luffing mechanisms |
| CN103879902B (en) * | 2014-03-21 | 2016-03-02 | 江西中天机械有限公司 | A kind of luffing mechanism hangs the method for large accessory |
| CN104071199A (en) * | 2014-07-04 | 2014-10-01 | 彭成 | Lever goods shifting cart |
| CN110395668A (en) * | 2019-08-08 | 2019-11-01 | 新疆庞源机械工程有限公司 | A kind of cantilever crane of installation derrick crane attachment pull rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |