CN107697817A - A kind of novel tower slings the method that weighing arm becomes length in the air - Google Patents
A kind of novel tower slings the method that weighing arm becomes length in the air Download PDFInfo
- Publication number
- CN107697817A CN107697817A CN201711035432.6A CN201711035432A CN107697817A CN 107697817 A CN107697817 A CN 107697817A CN 201711035432 A CN201711035432 A CN 201711035432A CN 107697817 A CN107697817 A CN 107697817A
- Authority
- CN
- China
- Prior art keywords
- arm
- arm joint
- rope
- raising line
- bearing pin
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
A kind of novel tower slings the method that weighing arm becomes length in the air, traditional tower crane is solved in the narrow and small job site of building dense, tower crane large arm is often limited by peripheral obstacle, can not normal operation deficiency, by in large arm, mounting bracket on counter-jib, the dismantlement work of large arm arm joint and counterweight is completed using Lift Mechanism in Power Hoist, ensure that tower crane can normal construction operation, both it is safe and reliable, it is again easy to operation, engineering cost is saved, accelerate construction speed, obtain good economic benefit and social benefit, the change brachium problem for being flat-top tower crane under special operation condition provides a kind of practicable construction method；This construction technology can smoothly complete the aerial change brachium work of flat-top tower crane in the case of not by other crane gears, and valuable arrangement and method for construction and technical support are provided to run into similar ask in construction later.
Description
Technical field
Design building of the present invention tower crane technical field, especially a kind of novel tower sling the side that weighing arm becomes length in the air
Method.
Background technology
With the fast development of urban construction, large size city synthesis project is in full flourish like the mushrooms after rain, annex, tower
Building is closely coupled, and building and tower crane density are increasing, and these synthesis construction projects are often that foundation construction area is big, project
Integral synchronous is constructed, general to use group towers work group's mode of operation, and the different construction stages requires different to the brachium of tower crane,
Under so complicated construction operating mode, to tower crane avoidance and tear tower scheme open and propose higher requirement；
With reference to domestic construction status, flat-top tower crane is caused to need mainly to have following aspects the reason for changing brachium：
(1) Party A's modification of orders.Because architectural design change, arrangement and method for construction such as change at the reason, tower crane is big when causing operation
Arm is interfered with barrier；
(2) tower crane arrangement and method for construction consider not comprehensively, not science, fail to fully understand construction operating mode, produce tower crane
Mutually beat the phenomenon of tower body；
(3) building structure is special, and tower crane normally drops section when tearing tower open, and large arm interferes with building exterior wall face, can not reduce
Tower is torn open after tower crane height；
(4) special construction scheme, such as large size city synthesis project is, it is necessary to group towers work, foundation construction stage needs
Greater reach, high building construction stage need minor arms to grow；
(5) other special operation conditions；
Tower crane production, the competition of leasing market also grow in intensity, and construction side not only needs product, with greater need for specialty
Service, it is exactly to comply with industry development that flat-top tower crane, which becomes brachium technical scheme, completes to become brachium by Lift Mechanism in Power Hoist, is project
Normal construction operation provides guarantee.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of novel tower to sling the method that weighing arm becomes length in the air,
Solve traditional tower crane often to be limited by peripheral obstacle in the narrow and small job site of building dense, tower crane large arm, can not normally make
The deficiency of industry, by the mounting bracket on large arm, counter-jib, the dismounting of large arm arm joint and counterweight is completed using Lift Mechanism in Power Hoist
Work, ensure that tower crane can normal construction operation；Both it is safe and reliable and easy to operation, engineering cost has been saved, has accelerated and applies
Work progress, good economic benefit and social benefit are obtained, the change brachium problem for being flat-top tower crane under special operation condition provides
A kind of practicable construction method；
In order to better illustrate the mentality of designing of the present invention, become with Zhong Lianchong sections TCT7015-10E flat-top tower crane 70m arms
Exemplified by 65m arms, become brachium technology to flat-top tower crane and carry out labor, and it is as follows specifically to set critical component parameter；
1. the setting of TCT7015-10E tower cranes major parameter is as shown in table 1：
Table 1
2. the weight set of different brachium combinations and each arm joint is shown in Table 2：
Table 2
3. combinations of weights parameter setting is shown in Table 3：
Table 3
4. lifting mechanism parameter setting is shown in Table 4
Table 4
5. required conventional tool inventory is shown in Table 5, the length of nylon rope determines its length depending on field condition；
6. special stand refers to table 6 to table 5
A kind of novel tower slings the method that weighing arm becomes length in the air, comprises the following steps：
Remove whether place, road etc. meet dismounting demand Step 1: checking；Linked up with project management department, there is provided necessary to match somebody with somebody
Close；Must safety, management side station；Counterweight, large arm lower zone drawing warning line are being removed, if security area, operation forbids nothing before finishing
Pass personnel enter；Maintenance, maintenance and the inspection of tower crane, to ensure the safety of equipment, integrity；
Step 2: tower crane returns back to the position of convenient dismounting, slew gear braking, operation forbids tower crane to turn round before finishing；
According to brachium situation of change, counterweight, large arm combined state are searched；
Step 3: installing pulley yoke on tower top, roller frame is installed in large arm, takes off bridge, the roller frame is arranged on
On the main string in front end of each arm joint, the bridge of taking off is on the main string in the front end of arm joint seven；Portal frame is installed on counter-jib, adjusted
Whole pulley is arranged on the top of 1.3t counterweights；
As a kind of for example, because the height of arm joint one, two, three is 2.5m, the high 1.7m of remaining arm joint, so operation
Personnel must match somebody with somebody on-slip shoes, safety belt, prevent from falling, instrument, the part to be installed used is connected to steel construction with safety rope
On, prevent from falling；
Step 4: dolly is opened to large arm front end, suspension hook landing, suspension hook is removed；
Step 5: removing arm point lock rope cover of wedge, steel wire rope is fixed on the dolly, withdraws dolly to large arm arm root, open
Dynamic lifting mechanism withdraws raising line to lifting mechanism；
Step 6: raising line is passed around again, the row's of sequentially passing through rope sheave, tower top pulley yoke, portal frame pulley since reel,
And gear rope bar is installed, prevent from skipping rope；Connected with rope cramp, shackle and 1.3t counterweights hanger, set at last rope cramp
Safety is curved；Lifting mechanism is slowly started, lifting 1.3t counterweights 100mm hovering 1min, checks whether connection state fastens, does not have as crossed
It is problematic, 1.3t counterweights connection bearing pin is extracted, lifting mechanism is started and transfers 1.3t counterweights to ground, withdraw raising line；
As one kind for example, lifting mechanism maximum drawbar pull 30kN, safety coefficient 2.3；
Step 7: raising line is passed around again in large arm using the dolly, from reel sequentially passes through row's rope sheave, tower top is slided
Wheel carrier, large arm roller frame and gin pole frame pulley, and gear rope bar is installed, pay attention to checking, prevent steel wire rope from tangling steel construction or bearing pin,
Raising line end is fixed on rope cramp the weld with main string in arm joint eight and the 3rd web member；
Step 8: dolly is parked in the front end of arm joint seven, is connected away from arm joint seven, eight at bearing pin 0.5m, make small lock using rope
Tightly in large arm, prevent it from moving freely, as workbench when removing；Front end variable-amplitude steel wire rope is removed, is rolled into a disk
It is fixed in large arm in arm joint seven；Upper main chord in the front end of arm joint seven installs 5t hoists, and the other end of arm joint seven is locked at arm
On section eight at first of diagonal web member of main string；Hoist is tensed, is done and write off using a special bearing pin of φ 35, beaten with sledgehammer
Write off, remove the lower main string bearing pin that arm joint seven is connected with arm joint eight, bearing pin installation backing pin special φ 35；Torn open with same method
Except main string bearing pin under the other end, 35 special bearing pins of φ installation backing pin；
Slow loose hoist, get the upper main string bearing pin that arm joint seven and arm joint eight connect；Continue to open while loose hoist
Dynamic lifting mechanism decentralization raising line；Make main string separation in arm joint seven and arm joint eight；Check whether raising line slips rope phenomenon, such as nothing
Slip rope phenomenon then to continue to transfer raising line while loose hoist, until raising line is caught in main string joint, now with 1 φ
In 35 special bearing pin insertion arm joints seven in main string connecting pin bores, it is that raising line is stuck on the inside of bearing pin, backing pin is installed；
Continue to transfer raising line, untill the vertical state of arm joint seventy percent, unclamp one end of 5t hoists connection arm joint eight,
It is fixed on again on the lower boom of arm joint eight, tenses hoist, removes the 35 special bearing pins of lower boom φ that arm joint seven is connected with arm joint eight；
Continue loose hoist, while transfer raising line, until arm joint eight completely disengages arm joint seven, unclamp hoist and arm joint
Eight connection.Decentralization raising line is until arm joint eight, nine lands；
As a kind of security protection for example, the safety belt of installation personnel must two links hang over big arm rest simultaneously
On bar, it is necessary to one end of the instruments such as sledgehammer, hoist is connected with safety rope, the other end is connected on steel construction, can utilized small
The maintenance hanging basket of car carries out dismounting operation；
As one kind for example, lifting mechanism maximum drawbar pull 30kN, hoist rated load weight 5t, arm joint eight, nine
Gross weight 0.45t, raising line can both meet to require with hoist pulling force 12.5kN；
Step 9: take arm joint eight and nine apart on the ground, the 35 special bearing pins of φ by raising line across the top boom of arm joint nine,
Top boom and web member junction are fixed on, arm joint nine is sling, after lower boom jointing aligns, lower boom bearing pin is installed, torn open
Except 35 special bearing pins of top boom φ, raising line is received, arm joint nine installs top boom bearing pin after lower boom bearing pin rotates in place；
Step 10: illustratively book end tower program installs variable amplitude rope, suspension hook, raising line, safety and stopping means are debugged, extremely
This, TCT7015-10E flat-top tower crane 70m arms become 65m arm end-of-jobs.
Beneficial effect：
1st, the present invention program is safe and reliable, economically feasible, convenient and swift, is adapted to promote；
2nd, this construction technology can smoothly complete the aerial of flat-top tower crane in the case of not by other crane gears
Become brachium work, valuable arrangement and method for construction and technical support are provided to run into similar ask in construction later.
Brief description of the drawings
Fig. 1 slings the flat-top tower crane working effect figure that weighing arm becomes the method for length in the air for a kind of novel tower of the present invention
Fig. 2 is that a kind of novel tower of the present invention slings the flat-top tower crane TCT7015-10E knots that weighing arm becomes the method for length in the air
Structure schematic diagram
Fig. 3 is that the flat-top tower crane TCT7015-10E that a kind of novel tower of the present invention slings the method that weighing arm becomes length in the air is big
Arm forms structure chart
The special stand that Fig. 4 slings the method that weighing arm becomes length in the air for a kind of novel tower of the present invention is arranged on tower crane
Position view
Fig. 5 a are that a kind of novel tower of the present invention slings the 1.3t counterweights dismounting work signal that weighing arm becomes the method for length in the air
Figure
Fig. 5 b are that a kind of novel tower of the present invention slings the 1.3t counterweights dismounting work part that weighing arm becomes the method for length in the air
Enlarged diagram
Fig. 6 is that the dolly that a kind of novel tower of the present invention slings the method that weighing arm becomes length in the air has passed around again in large arm
Rise the operating diagram of rope
Fig. 7 be a kind of novel tower of the present invention sling weighing arm become in the air length method dismounting arm joint seven, eight work shape
State schematic diagram
Fig. 8 is that a kind of novel tower of the present invention is sling the working effect of installation arm joint nine of the method that weighing arm becomes length in the air and shown
It is intended to
Fig. 9 is that a kind of novel tower of the present invention is sling the structure of special stand pulley yoke of the method that weighing arm becomes length in the air and set
Meter figure
Figure 10 be a kind of novel tower of the present invention sling weighing arm become in the air length method special stand roller frame structure
Design drawing
Figure 11 is the structure that the special stand that a kind of novel tower of the present invention slings the method that weighing arm becomes length in the air takes off bridge
Design drawing
Figure 12 be a kind of novel tower of the present invention sling weighing arm become in the air length method special stand portal frame structure
Design drawing
Figure 13 is the knot for the special bearing pin of special stand that a kind of novel tower of the present invention slings the method that weighing arm becomes length in the air
Structure design drawing
Embodiment
Below, with reference to figures 1 through shown in Figure 13, in order to better illustrate the mentality of designing of the present invention, with Zhong Lianchong sections
TCT7015-10E flat-top tower crane 70m arms become exemplified by 65m arms, and becoming brachium technology to flat-top tower crane carries out labor, and specifically sets
It is as follows to determine critical component parameter；1. the setting of TCT7015-10E tower cranes major parameter is as shown in table 1：
Table 1
2. the weight set of different brachium combinations and each arm joint is shown in Table 2：
Table 2
3. combinations of weights parameter setting is shown in Table 3：
Table 3
4. lifting mechanism parameter setting is shown in Table 4
Table 4
5. required conventional tool inventory is shown in Table 5, the length of nylon rope determines its length depending on field condition；
Table 5
6. specific purpose tool refers to table 6
A kind of novel tower slings the method that weighing arm becomes length in the air, comprises the following steps：
Remove whether place, road etc. meet dismounting demand Step 1: checking；Linked up with project management department, there is provided necessary to match somebody with somebody
Close；Must safety, management side station；Counterweight, large arm lower zone drawing warning line are being removed, if security area, operation forbids nothing before finishing
Pass personnel enter；Maintenance, maintenance and the inspection of tower crane, to ensure the safety of equipment, integrity；
Step 2: tower crane returns back to the position of convenient dismounting, slew gear braking, operation forbids tower crane to turn round before finishing；
According to brachium situation of change, counterweight, large arm combined state are searched；
Step 3: installing pulley yoke 10 on tower top, roller frame 11, gin pole frame 12, the roller frame are installed in large arm
11 are arranged on the main string in front end of each arm joint, and the gin pole frame 12 is arranged on the main string in the front end of arm joint 7；Installed on counter-jib
Portal frame 13, adjustment pulley are arranged on the top of 1.3t counterweights；
As a kind of for example, because the height of arm joint 1,2,3 is 2.5m, remaining arm joint 4,5,6,7,8,9 high 1.7m,
So operating personnel must match somebody with somebody on-slip shoes, safety belt, prevent from falling, instrument, the part to be installed used is connected with safety rope
On steel construction, prevent from falling；
Step 4: dolly is opened to large arm front end, suspension hook landing, suspension hook is removed；
Step 5: removing arm point lock rope cover of wedge, steel wire rope is fixed on the dolly, withdraws dolly to large arm arm root, open
Dynamic lifting mechanism withdraws raising line to lifting mechanism；
Step 6: passing around raising line again, the row's of sequentially passing through rope sheave, tower top pulley yoke 10, portal frame are slided since reel
Wheel, and gear rope bar is installed, prevent from skipping rope；Connected with rope cramp, shackle and 1.3t counterweights hanger, at last rope cramp
If safety is curved；Lifting mechanism is slowly started, lifting 1.3t counterweights 100mm hovering 1min, checks whether connection state fastens, such as mistake
Have no problem, extract 1.3t counterweights connection bearing pin, start lifting mechanism and transfer 1.3t counterweights to ground, withdraw raising line；
As one kind for example, lifting mechanism maximum drawbar pull 30kN, safety coefficient 2.3；
Step 7: raising line is passed around again in large arm using the dolly, from reel sequentially passes through row's rope sheave, tower top is slided
Wheel carrier 10, large arm roller frame 11 and the pulley of gin pole frame 12, and gear rope bar is installed, pay attention to checking, prevent steel wire rope from tangling steel construction
Or bearing pin, raising line end is fixed on rope cramp the weld with main string in arm joint 8 and the 3rd web member；
Step 8: dolly is parked in the front end of arm joint 7, is connected away from arm joint 7,8 at bearing pin 0.5m, be locked at dolly using rope
In large arm, prevent it from moving freely, as workbench when removing；Front end variable-amplitude steel wire rope is removed, a disk is rolled into and fixes
In large arm in arm joint 7；Upper main chord in the front end of arm joint 7 installs 5t hoists, and the other end of arm joint 7 is locked in arm joint 8 main
At first of diagonal web member of string；Hoist is tensed, is done and write off using a special bearing pin of φ 35, beaten abatement with sledgehammer, tear open
Except the lower main string bearing pin that arm joint 7 is connected with arm joint 8, bearing pin installation backing pin special φ 35；The other end is removed with same method
Lower main string bearing pin, 35 special bearing pins of φ installation backing pin；
Slow loose hoist, get the upper main string bearing pin that arm joint 7 and arm joint 8 connect；Continue to start while loose hoist
Lifting mechanism transfers raising line；Make main string separation in arm joint 7 and arm joint 8；Check whether raising line slips rope phenomenon, as nothing slips rope
Phenomenon then continues to transfer raising line while loose hoist, until raising line is caught in main string joint, it is now special with 1 φ 35
With in main string connecting pin bores, being that raising line is stuck in bearing pin inner side in bearing pin insertion arm joint 7, backing pin is installed；
Continue to transfer raising line, untill arm joint 7 is into vertical state, unclamp one end of 5t hoists connection arm joint 8, then
It is fixed on the lower boom of arm joint 8, tenses hoist, removes the 35 special bearing pins of lower boom φ that arm joint 7 is connected with arm joint 8；
Continue loose hoist, while transfer raising line, until arm joint 8 completely disengages arm joint 7, unclamp hoist and arm joint 8
Connection, until arm joint, 8,9 land decentralization raising line；
As a kind of security protection for example, the safety belt of installation personnel must two links hang over big arm rest simultaneously
On bar, it is necessary to one end of the instruments such as sledgehammer, hoist is connected with safety rope, the other end is connected on steel construction, can utilized small
The maintenance hanging basket of car carries out dismounting operation；
As one kind for example, lifting mechanism maximum drawbar pull 30kN, hoist rated load weight 5t, arm joint 8,9 are total
Weight 0.45t, raising line can both meet to require with hoist pulling force 12.5kN；
Step 9: take arm joint 8 and 9 apart on the ground, the 35 special bearing pins of φ by raising line across the top boom of arm joint 9, Gu
Top boom and web member junction are scheduled on, arm joint 9 is sling, after lower boom jointing aligns, lower boom bearing pin is installed, in dismounting
35 special bearing pins of chord member φ, raising line is received, arm joint 9 installs top boom bearing pin after lower boom bearing pin rotates in place；
Step 10: illustratively book end tower program installs variable amplitude rope, suspension hook, raising line, safety and stopping means are debugged, extremely
This, TCT7015-10E flat-top tower crane 70m arms become 65m arm end-of-jobs.
The present invention program is safe and reliable, economically feasible, convenient and swift, is adapted to promote；This construction technology is not by other
In the case of crane gear, the aerial change brachium work of flat-top tower crane can be smoothly completed, to run into class in construction later
Seemingly ask the arrangement and method for construction for providing preciousness and technical support；
Disclosed above is only the specific embodiment of the application, but the application is not limited to this, any this area
Technical staff can think change, should all fall in the protection domain of the application.
Claims (4)
1. a kind of novel tower slings the method that weighing arm becomes length in the air, it is characterised in that comprises the following steps：
Remove whether place, road etc. meet dismounting demand Step 1: checking；Linked up with project management department, there is provided necessary cooperation；Palpus
Stood by safety, management；Counterweight, large arm lower zone drawing warning line are being removed, if security area, operation forbids unrelated person before finishing
Into；Maintenance, maintenance and the inspection of tower crane, to ensure the safety of equipment, integrity；
Step 2: tower crane returns back to the position of convenient dismounting, slew gear braking, operation forbids tower crane to turn round before finishing；According to
Brachium situation of change, search counterweight, large arm combined state；
Step 3: installing pulley yoke on tower top, roller frame is installed in large arm, takes off bridge, the roller frame is arranged on each
On the main string in front end of arm joint, the bridge of taking off is on the main string in the front end of arm joint seven；Portal frame is installed on counter-jib, adjustment is slided
Wheel is installed in the top of 1.3t counterweights；
Step 4: dolly is opened to large arm front end, suspension hook landing, suspension hook is removed；
Step 5: removing arm point lock rope cover of wedge, steel wire rope is fixed on the dolly, withdraws dolly to large arm arm root, start
Rise mechanism and withdraw raising line to lifting mechanism；
Step 6: raising line is passed around again, the row's of sequentially passing through rope sheave, tower top pulley yoke, portal frame pulley since reel, and pacify
Dress gear rope bar, prevents from skipping rope；Connected with rope cramp, shackle and 1.3t counterweights hanger, safety is set at last rope cramp
It is curved；Lifting mechanism is slowly started, lifting 1.3t counterweights 100mm hovering 1min, checks whether connection state fastens, does not ask excessively such as
Topic, 1.3t counterweights connection bearing pin is extracted, start lifting mechanism and transfer 1.3t counterweights to ground, withdraw raising line；
Step 7: passing around raising line again in large arm using the dolly, row's rope sheave, tower top pulley are sequentially passed through from reel
Frame, large arm roller frame and gin pole frame pulley, and gear rope bar is installed, pay attention to checking, prevent steel wire rope from tangling steel construction or bearing pin, use
Rope cramp is fixed on raising line end the weld with main string in arm joint eight and the 3rd web member；
Step 8: dolly is parked in the front end of arm joint seven, is connected away from arm joint seven, eight at bearing pin 0.5m, be locked at dolly using rope
In large arm, prevent it from moving freely, as workbench when removing；Front end variable-amplitude steel wire rope is removed, a disk is rolled into and fixes
In large arm in arm joint seven；Upper main chord in the front end of arm joint seven installs 5t hoists, and the other end of arm joint seven is locked at arm joint eight
At first of diagonal web member of upper main string；Hoist is tensed, is done and write off using a special bearing pin of φ 35, punching is beaten with sledgehammer
Pin, remove the lower main string bearing pin that arm joint seven is connected with arm joint eight, bearing pin installation backing pin special φ 35；Removed with same method
Main string bearing pin under the other end, 35 special bearing pins of φ installation backing pin；
Slow loose hoist, get the upper main string bearing pin that arm joint seven and arm joint eight connect；Continue to have started while loose hoist
Rise mechanism decentralization raising line；Make main string separation in arm joint seven and arm joint eight；Check whether raising line slips rope phenomenon, as nothing slips rope
Phenomenon then continues to transfer raising line while loose hoist, until raising line is caught in main string joint, it is now special with 1 φ 35
With in main string connecting pin bores, being that raising line is stuck in bearing pin inner side in bearing pin insertion arm joint seven, backing pin is installed；
Continue to transfer raising line, untill the vertical state of arm joint seventy percent, unclamp one end of 5t hoists connection arm joint eight, then it is solid
It is scheduled on the lower boom of arm joint eight, tenses hoist, removes the 35 special bearing pins of lower boom φ that arm joint seven is connected with arm joint eight；
Continue loose hoist, while transfer raising line, until arm joint eight completely disengages arm joint seven, unclamp hoist and arm joint eight
Connection, decentralization raising line is until arm joint eight, nine lands；
Step 9: taking arm joint eight and nine apart on the ground, the 35 special bearing pins of φ by raising line across the top boom of arm joint nine are fixed
In top boom and web member junction, arm joint nine is sling, after lower boom jointing aligns, lower boom bearing pin is installed, in dismounting
35 special bearing pins of chord member φ, raising line is received, arm joint nine installs top boom bearing pin after lower boom bearing pin rotates in place；
Step 10: illustratively book end tower program installs variable amplitude rope, suspension hook, raising line, safety and stopping means are debugged, so far,
TCT7015-10E flat-top tower crane 70m arms become 65m arm end-of-jobs.
2. a kind of novel tower according to claim 1 slings the method that weighing arm becomes length in the air, it is characterised in that described
Rise mechanism maximum drawbar pull 30kN, safety coefficient 2.3.
3. a kind of novel tower according to claim 2 slings the method that weighing arm becomes length in the air, it is characterised in that hoist
Rated load weight 5t, arm joint eight, nine gross weight 0.45t, raising line can both meet to require with hoist pulling force 12.5kN.
4. a kind of novel tower according to claim 3 slings the method that weighing arm becomes length in the air, it is characterised in that the cunning
Wheel carrier is used to guide raising line by lifting mechanism to large arm top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035432.6A CN107697817B (en) | 2017-10-30 | 2017-10-30 | A kind of method of tower crane crane arm elongated degree in the air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035432.6A CN107697817B (en) | 2017-10-30 | 2017-10-30 | A kind of method of tower crane crane arm elongated degree in the air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107697817A true CN107697817A (en) | 2018-02-16 |
| CN107697817B CN107697817B (en) | 2019-01-18 |
Family
ID=61176947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711035432.6A Active CN107697817B (en) | 2017-10-30 | 2017-10-30 | A kind of method of tower crane crane arm elongated degree in the air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107697817B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392612A (en) * | 2020-04-17 | 2020-07-10 | 中国化学工程第三建设有限公司 | Device and method for high-altitude self-disassembly of tower crane arm rod |
| CN111422759A (en) * | 2020-04-17 | 2020-07-17 | 中国化学工程第三建设有限公司 | Method for dismantling tower crane in narrow space |
| CN111533005A (en) * | 2020-04-17 | 2020-08-14 | 中国化学工程第三建设有限公司 | Method for disassembling large tower crane arm rod by using small tower crane |
| CN113526366A (en) * | 2021-06-11 | 2021-10-22 | 浙江省建设工程机械集团有限公司 | Multifunctional flat-arm tower crane capable of being used for fire fighting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1024106A1 (en) * | 1999-01-27 | 2000-08-02 | Potain | Method and device for mounting of the top of the tower of tower cranes |
| CN101759108A (en) * | 2008-12-25 | 2010-06-30 | 抚顺永茂建筑机械有限公司 | Self-disassembling device of tower crane |
| CN105621280A (en) * | 2016-03-28 | 2016-06-01 | 庄爱军 | Device and method for mounting and dismounting crane boom |
| CN106115500A (en) * | 2016-08-16 | 2016-11-16 | 中昇建机(南京)重工有限公司 | A kind of high-rise building is special to be hung and certainly tears method open from tearing formula roofing open |
| CN107055347A (en) * | 2017-05-22 | 2017-08-18 | 庄爱军 | A kind of high-rise Tower crane disassembly structures and methods installed |
-
2017
- 2017-10-30 CN CN201711035432.6A patent/CN107697817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1024106A1 (en) * | 1999-01-27 | 2000-08-02 | Potain | Method and device for mounting of the top of the tower of tower cranes |
| CN101759108A (en) * | 2008-12-25 | 2010-06-30 | 抚顺永茂建筑机械有限公司 | Self-disassembling device of tower crane |
| CN105621280A (en) * | 2016-03-28 | 2016-06-01 | 庄爱军 | Device and method for mounting and dismounting crane boom |
| CN106115500A (en) * | 2016-08-16 | 2016-11-16 | 中昇建机(南京)重工有限公司 | A kind of high-rise building is special to be hung and certainly tears method open from tearing formula roofing open |
| CN107055347A (en) * | 2017-05-22 | 2017-08-18 | 庄爱军 | A kind of high-rise Tower crane disassembly structures and methods installed |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392612A (en) * | 2020-04-17 | 2020-07-10 | 中国化学工程第三建设有限公司 | Device and method for high-altitude self-disassembly of tower crane arm rod |
| CN111422759A (en) * | 2020-04-17 | 2020-07-17 | 中国化学工程第三建设有限公司 | Method for dismantling tower crane in narrow space |
| CN111533005A (en) * | 2020-04-17 | 2020-08-14 | 中国化学工程第三建设有限公司 | Method for disassembling large tower crane arm rod by using small tower crane |
| CN111422759B (en) * | 2020-04-17 | 2021-11-09 | 中国化学工程第三建设有限公司 | Method for dismantling tower crane in narrow space |
| CN113526366A (en) * | 2021-06-11 | 2021-10-22 | 浙江省建设工程机械集团有限公司 | Multifunctional flat-arm tower crane capable of being used for fire fighting |
| CN113526366B (en) * | 2021-06-11 | 2023-10-03 | 浙江省建设工程机械集团有限公司 | Multifunctional flat arm tower crane for fire fighting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107697817B (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107697817A (en) | A kind of novel tower slings the method that weighing arm becomes length in the air | |
| CN103523683B (en) | Construction method for dismantling tower crane by use of small hoisting equipment | |
| CN100519396C (en) | Gin pole integrated dismounting method for tower crane | |
| CN106115500B (en) | A kind of high-rise building is special, and tearing formula roofing open hangs and tears open certainly method certainly | |
| CN106276631A (en) | A kind of roofing device for hoisting and crane and the method for dismounting of crane arm | |
| CN205973523U (en) | Super high -rise building is special to be hung from tearing formula roofing open | |
| CN105060125B (en) | High tower structure of cable crane and its method for dismounting | |
| CN105464456A (en) | Method and lifting sling for assembling extra-high voltage transmission iron tower through helicopter | |
| CN205419580U (en) | A hoist and mount system for dismantling tower crane overlength pull rod | |
| CN113335475B (en) | Deck bottom fixed pulley sliding platform dismantling process | |
| CN104692261A (en) | Symmetrical dismounting construction method for attachment device of tower crane | |
| CN107720569B (en) | A kind of dismounting inner climbing crane tower is hung with masts type roofing | |
| CN208200044U (en) | Roof truss lifts suspender easy to disassemble | |
| CN105060138B (en) | Disassembling and installation method for tower crane attachment and device thereof | |
| CN103979442B (en) | The method of 6400 tons of Hydraulic double-type crane lifting cost tropsch reactors | |
| CN206769526U (en) | Jack up Multifunctional creeping gin pole | |
| CN109378767A (en) | A kind of lifting engineering method of hoist engine to skyscraper electricity well inner cable | |
| CN114873445A (en) | Bridge prefabricated part hoisting tool and hoisting method | |
| CN201102869Y (en) | Large arm device of midair-disassembling horizontal lazy-arm type tower crane | |
| CN105712218B (en) | The construction method of arm is changed in heavy flat arm tower crane high-altitude | |
| CN106013795A (en) | Method for detaching a chimney hydraulic lifting device for thermal power station | |
| CN104386598A (en) | Dismantling method for tower crane jib | |
| CN206985603U (en) | Coke drum detects lifting device and coke drum detecting system | |
| CN107758525A (en) | A kind of method that dismounting security is improved when removing tower crane | |
| CN205243147U (en) | Hoist that uses during special high -tension transmission iron tower of helicopter assemblage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |