CN103938900B - Construction method of cooling tower and tower crane - Google Patents
Construction method of cooling tower and tower crane Download PDFInfo
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- CN103938900B CN103938900B CN201410177134.0A CN201410177134A CN103938900B CN 103938900 B CN103938900 B CN 103938900B CN 201410177134 A CN201410177134 A CN 201410177134A CN 103938900 B CN103938900 B CN 103938900B
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- 238000001816 cooling Methods 0.000 title claims abstract description 66
- 238000010276 construction Methods 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 87
- 239000010959 steel Substances 0.000 claims abstract description 87
- 230000005494 condensation Effects 0.000 claims description 16
- 238000009833 condensation Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000009415 formwork Methods 0.000 abstract 3
- 230000009194 climbing Effects 0.000 description 16
- 239000000725 suspension Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the technical field of cooling tower construction, and discloses a construction method of a cooling tower and a tower crane. The construction method of the cooling tower comprises the following steps: hoisting the steel bar formwork to form a ring; pouring concrete into the reinforced formwork through a plurality of sections of feeding pipes connected with the concrete pump station or the pump truck; hoisting the steel bar formwork again to form a ring; disassembling a section of charging pipe, and driving the rest charging pipes to pour concrete through a tower crane; repeating the steps until the last section of the feeding pipe remains; the height of the tower crane is increased; connecting the disassembled feed pipe to the last section of feed pipe and pouring concrete; and repeating the steps until the cooling tower is finished. In the technical scheme, the change of the construction height of the cooling tower is adapted by the number of sections of the detachable feeding pipe, so that the height of the tower crane is not required to be changed when the feeding pipe is not detached, the change of the tower crane during the construction of the cooling tower is reduced, the construction strength of the cooling tower during the construction is reduced, and the construction speed of the cooling tower is improved.
Description
Technical field
The present invention relates to the technical field of cooling tower construction, refer more particularly to a kind of construction method and tower machine of cooling tower.
Background technology
At present when cooling tower construction, all adopt tower machine lifting mould bases and concrete material bag, then manually carry out the method for pouring into a mould.
Owing to relying on hand labor in a large number, so in the process of cooling tower construction, labor strength is very large, and the duration is longer, and construction speed is slow.
Summary of the invention
The invention provides a kind of construction method of cooling tower, in order to solve in prior art the problem that there is concrete pumping equipment reversing impact.
The invention provides a kind of construction method of cooling tower, the construction method of this cooling tower comprises:
By tower machine, steel bar template lifting is surrounded annular;
By described tower machine, the more piece charge pipe be connected with concrete pumping plant or pump truck is lifted to surrounding above annular steel bar template, and the length often saving charge pipe equals the height of described steel bar template;
Charge pipe placing of concrete in the steel bar template surrounding annular is driven by described tower machine;
On the concrete of condensation, lift steel bar template by described tower machine and surround annular;
Dismounting one joint charge pipe;
Remaining charge pipe placing of concrete in the steel bar template surrounding annular is driven by tower machine;
Repeat above-mentioned step of building steel bar template and placing of concrete, until described charge pipe residue final section;
On the concrete of condensation, lift steel bar template by described tower machine and make it surround annular;
Raise the height of tower machine, N is saved charge pipe and be connected with final section charge pipe successively, and surrounding placing of concrete in annular steel bar template, wherein, N is positive integer;
Repeat above-mentioned steps until cooling tower completes.
In technique scheme, the change of cooling tower construction height is adapted to by the joint number dismantling charge pipe, make when charge pipe has not been dismantled, without the need to changing the height of tower machine, thus when reducing cooling tower construction, the variation of tower machine, decreasing the construction intensity of cooling tower when building, improve the construction speed of cooling tower.
Preferably, described charge pipe is when surrounding placing of concrete in annular steel bar template, and raising the height of tower machine, saved by N after charge pipe is connected with final section charge pipe successively, the distance between the discharging opening of described charge pipe and steel bar template is less than setpoint distance.Ensure the effect of concrete casting.
Preferably, described setpoint distance is the ultimate range preventing concrete disintegration.Improve the effect of concrete casting.
Preferably, described N equals the number of the charge pipe of described dismounting.Improve the height that tower machine raises to greatest extent, reduce the number of times that when cooling tower is built, tower machine raises, thus improve the construction speed of cooling tower.
Preferably, described dismounting one saves charge pipe and is specially: to be lifted after steel bar template surrounds annular on the concrete of condensation by described tower machine described, and surround dismounting and Ei charge pipe before or after annular in the described steel bar template that to be lifted on the concrete of condensation by described tower machine, or
Described dismounting one saves charge pipe and on the concrete of condensation, lifts steel bar template by described tower machine and surround annular and carry out simultaneously.
Preferably, described tower machine is positioned at the center of the cooling tower of described construction.Tower machine can build cooling tower by rotating 360 degrees.
Preferably, the height of described rising tower machine is specially, and the tower body of described tower machine increases multiple tower-body standard section, and the N of the length of the overall height of tower-body standard section the increased charge pipe that to be dismounting lower doubly, and described N is not more than the number of the charge pipe under dismantling.The height of tower machine is raised by increasing tower-body standard section.
Present invention also offers a kind of tower machine, the tower body that this tower machine comprises climbing support and the boom be arranged on described tower body, described boom is slidably fitted with lifting trolley, described lifting trolley is provided with suspension hook, wherein, described tower body and described boom are fixedly installed the carrier pipe be communicated with pump truck or concrete pumping plant, and one end, top that described carrier pipe is positioned at boom is connected with charge pipe, described charge pipe is more piece, and the length often saving charge pipe equals the height of steel bar template;
When described tower machine lifting steel bar template, described charge pipe is dismountable to be fixed on described climbing support, by described suspension hook lifting steel bar template; When fluid concrete, described charge pipe is transported to the position needing to install by lifting trolley, and is communicated with described conveyance conduit.
In technique scheme, realized the lifting of steel bar template by tower machine, and drive charge pipe placing of concrete, thus reduce labour intensity when building cooling tower, improve the construction speed of cooling tower, shorten the duration.
Preferably, described boom is also provided with for charge pipe is lifted to the electronic gin pole in lifting trolley from described climbing support.Facilitate the transport of charge pipe, improve mechanization degree, reduce the labour intensity of operator.
Accompanying drawing explanation
The flow chart of the construction method of the cooling tower that Fig. 1 provides for the embodiment of the present invention;
The using state reference diagram of the tower machine that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Embodiments provide a kind of construction method of cooling tower, the construction method of this cooling tower comprises:
By tower machine, steel bar template lifting is surrounded annular;
By described tower machine, the more piece charge pipe be connected with concrete pumping plant or pump truck is lifted to surrounding above annular steel bar template, and the length often saving charge pipe equals the height of described steel bar template;
Charge pipe placing of concrete in the steel bar template surrounding annular is driven by described tower machine;
On the concrete of condensation, lift steel bar template by described tower machine and surround annular;
Dismounting one joint charge pipe;
Remaining charge pipe placing of concrete in the steel bar template surrounding annular is driven by tower machine;
Repeat above-mentioned step of building steel bar template and placing of concrete, until described charge pipe residue final section;
On the concrete of condensation, lift steel bar template by described tower machine and make it surround annular;
Raise the height of tower machine, N is saved charge pipe and be connected with final section charge pipe successively, and surrounding placing of concrete in annular steel bar template, wherein, N is positive integer;
Repeat above-mentioned steps until cooling tower completes.
Can be found out by said method, the change of cooling tower construction height is adapted to by the joint number dismantling charge pipe, make when charge pipe has not been dismantled, without the need to changing the height of tower machine, thus the variation of tower machine when reducing cooling tower construction, decreasing the construction intensity of cooling tower when building, improve the construction speed of cooling tower.
Concrete, the construction flow chart of the cooling tower that the embodiment of the present invention by reference to the accompanying drawings shown in 1 provides is described in detail to the cooling tower construction method that the embodiment of the present invention provides.
Step 101, tower machine is fixed on the centre of cooling tower;
Concrete, when building, tower machine is built the center at cooling tower, and tower machine can 360 ° of rotary operations, thus the arm exhibition of the boom expanding tower machine can be reduced to greatest extent, facilitate the construction of cooling tower.
Step 102, by tower machine by steel bar template lifting surround annular;
Concrete, each steel bar template is lifted into the position of setting by tower machine by suspension hook, constructor is assembled into annular by lifting the steel bar template put in place, surround the main body rack of cooling tower, wherein, the height of steel bar template can be determined according to actual conditions, and preferably, the height of steel bar template is between 1 meter ~ 2 meters.
Step 103, the more piece charge pipe be connected with concrete pumping plant or pump truck to be lifted to placing of concrete above the steel bar template surrounding annular by described tower machine, and the length often saving charge pipe equals the height of described steel bar template;
Concrete, more piece charge pipe is fixed on the boom of tower machine, and by starting than driving more piece charge pipe placing of concrete in steel bar template, when placing of concrete, distance between the discharging opening of described charge pipe and steel bar template is less than setpoint distance, this setpoint distance is the ultimate range preventing concrete disintegration, thus ensures quality when being poured onto in steel bar template.Wherein, in order to ensure that the spacing between charge pipe and steel concrete can keep consistency, adopting the height and of steel bar template to save the identical setting of the length of charge pipe, ensure that in follow-up work, without the need to adjusting the spacing between charge pipe discharging opening and steel bar template.
Step 104, on the concrete of condensation, lift steel bar template by described tower machine and surround annular;
Concrete, after water concrete, dismounting time charge pipe, has been lifted into have watered in concrete steel bar template by steel bar template by the suspension hook of tower machine and has been fixed, and makes it surround annular.
Step 105, dismounting one joint charge pipe, and drive remaining charge pipe placing of concrete in the steel bar template surrounding annular by tower machine;
Concrete, the height that height and due to steel bar template saves charge pipe is identical, therefore, after the height of steel bar template increases one deck open, the charge pipe that breaks a joint need be torn, and drive remaining charge pipe placing of concrete in the steel bar template surrounding annular by tower machine, adopt this kind of mode, time under charge pipe is not dismantled completely, can without the need to dynamic tower machine, and without the need to the distance of the discharging opening of again proofreading steel bar template and charge pipe, thus accelerate the construction speed of cooling tower.
Be to be understood that, the step of dismounting one joint charge pipe only can need be implemented after this joint charge pipe completes cast, its concrete sequence of steps does not limit by above-mentioned specific embodiment, as: as described in dismounting one save charge pipe and be specially: as described in by as described in tower machine lift after steel bar template surrounds annular on the concrete of condensation, and surround dismounting and Ei charge pipe before or after annular in the described steel bar template that to be lifted on the concrete of condensation by described tower machine, or, described dismounting one saves charge pipe and on the concrete of condensation, lifts steel bar template by described tower machine and surround annular and carry out simultaneously.Its principle is identical with the principle of above-mentioned steps, and this is no longer going to repeat them.
Step 106, repetition step 4 and step 5 are until charge pipe dismantles final section;
Concrete, the constantly placing of concrete in the steel bar template of building by tower machine lifting steel bar template and drive charge pipe, and the increase of height along with the cooling tower built, the joint number constantly reducing charge pipe guarantees concrete casting to be poured in the steel bar template of building.Until charge pipe residue final section cannot be dismantled.
The height of step 107, rising tower machine, N is saved charge pipe and be connected with final section charge pipe successively, and surrounding placing of concrete in annular steel bar template, wherein, N is positive integer;
Concrete, raised the height of tower machine by the tower-body standard section increasing tower body, afterwards N is saved charge pipe and be connected with final section charge pipe successively, now, after charge pipe connects, the distance between the discharging opening of described charge pipe and steel bar template is less than setpoint distance.In actual mechanical process, in order to ensure to install the distance after charge pipe between discharging opening and steel bar template, preferably, the height of the tower machine raised should be the N integral multiple of the length of the charge pipe of under dismantling one joint, and in order to after ensureing the charge pipe of dismounting to reconnect, the discharging opening of charge pipe can and the steel bar template of building between setpoint distance still keep original distance, above-mentioned N integral multiple should be not more than the number of the charge pipe disassembled.Thus in follow-up work, without the need to adjusting the spacing between the discharging opening of charge pipe and the steel bar template after lifting, directly can construct, improve the efficiency of construction of building cooling tower.Preferably, described N equals the number of the charge pipe of described dismounting.Thus make tower machine can reduce the number of times raised to greatest extent, further increase the construction speed of cooling tower.Wherein, when tower machine raises, particular by the number increasing tower-body standard section on the tower body of tower machine, the overall height of the tower-body standard section namely increased is N times of the length of the charge pipe under dismounting, and described N is not more than the number of the charge pipe under dismounting.
Concrete, again couple together by the N under dismounting is saved charge pipe, the height that charge pipe is increased is identical with the height that tower machine increases, thus ensure that again in steel bar template during placing of concrete without the need to adjusting the spacing between discharging opening and steel bar template, improve efficiency of construction.
Step 108, repetition above-mentioned steps three to step 8 are until cooling tower has been built.
Can be found out by above-mentioned specific embodiment, the efficiency of construction of method provided by the invention by adopting dismounting charge pipe to improve cooling tower, simultaneously, steel bar template is lifted by tower machine, and drive charge pipe placing of concrete in steel bar template, thus reduce the labour intensity building cooling tower to greatest extent, improve mechanization during construction, shorten the construction period of cooling tower.
As shown in Figures 2 and 3, Fig. 2 shows the structure of the tower machine that the embodiment of the present invention provides, and Fig. 3 shows the partial enlarged drawing at A place in Fig. 2.
The embodiment of the present invention additionally provides a kind of tower machine 20, the tower body 21 that this tower machine 20 comprises climbing support 211 and the boom 22 be arranged on described tower body 21, described boom 22 is slidably fitted with lifting trolley, described lifting trolley is provided with suspension hook, wherein, described tower body 21 and described boom 22 are fixedly installed the carrier pipe 32 be communicated with pump truck or concrete pumping plant, one end, top that described carrier pipe 32 is positioned at boom 22 is connected with charge pipe 31, described charge pipe 31 is more piece, and the length often saving charge pipe 31 equals the height of steel bar template 11;
When described tower machine 20 lifts steel bar template 11, described charge pipe 31 is dismountable to be fixed on described climbing support 211, by described suspension hook lifting steel bar template 11; When fluid concrete, described charge pipe 31 is transported to the position needing to install by lifting trolley, and is communicated with described carrier pipe 32 road.
Tower machine 20 is in the above-described embodiments for the construction of cooling tower 10, when building cooling tower 10, steel bar template 11 is lifted by adopting the suspension hook be arranged on the boom 22 of tower machine 20, after steel bar template 11 lifting is surrounded annular, need in steel bar template 11 during placing of concrete, charge pipe 31 is disassembled from climbing support 211, and by lifting trolley, charge pipe 31 is transported to position boom 22 needing fix, wherein, charge pipe 31 is communicated with between pump truck or concrete pumping plant, drive charge pipe 31 to rotate by tower machine 20 thus concrete casting be poured in steel bar template 11, after having watered, by lifting trolley, charge pipe 31 is delivered to climbing support 211, and charge pipe 31 and climbing support 211 are fixed.Again transport steel bar template 11 by the suspension hook of tower machine 20, constantly repeat above-mentioned work, and the rising of building along with cooling tower 10 can according in above-mentioned cooling tower 10 construction method, continuous dismounting charge pipe 31 and the height raising tower machine 20 are suitable for the height of construction.Can be found out by foregoing description, the tower machine 20 that the present embodiment provides improves mechanization when cooling tower 10 is built, and reduces labour intensity when cooling tower 10 is constructed, and shortens the construction period of cooling tower 10.
When charge pipe 31 is transported in lifting trolley from climbing support 211, described boom 22 is also provided with for charge pipe 31 is lifted to the electronic gin pole in lifting trolley from described climbing support 211.Concrete, when charge pipe 31 is moved in lifting trolley from climbing support 211, charge pipe 31 is pulled to rise by electronic gin pole, and be transported in lifting trolley, when charge pipe 31 is delivered to climbing support 211 in lifting trolley, charge pipe 31 pulls out by electronic gin pole in lifting trolley, extended length afterwards, charge pipe 31 is made to be down to the height of climbing support 211, and be fixed on climbing support 211, wherein, the end of electronic gin pole can adopt the structure of hook, and dismountablely between charge pipe 31 with climbing support 211 be fixedly connected with adopted structure for link up with, thus facilitate being separated and fixing between charge pipe 31 with climbing support 211.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a construction method for cooling tower, is characterized in that, comprises the following steps:
By tower machine, steel bar template lifting is surrounded annular;
By described tower machine, the more piece charge pipe be connected with concrete pumping plant or pump truck is lifted to surrounding above annular steel bar template, and the length often saving charge pipe equals the height of described steel bar template;
Charge pipe placing of concrete in the steel bar template surrounding annular is driven by described tower machine;
On the concrete of condensation, lift steel bar template by described tower machine and surround annular;
Dismounting one joint charge pipe;
Remaining charge pipe placing of concrete in the steel bar template surrounding annular is driven by tower machine;
Repeat above-mentioned step of building steel bar template and placing of concrete, until described charge pipe residue final section;
On the concrete of condensation, lift steel bar template by described tower machine and make it surround annular;
Raise the height of tower machine, N is saved charge pipe and be connected with final section charge pipe successively, and surrounding placing of concrete in annular steel bar template, wherein, N is positive integer;
Repeat above-mentioned steps until cooling tower completes.
2. the construction method of cooling tower as claimed in claim 1, it is characterized in that, described charge pipe is when surrounding placing of concrete in annular steel bar template, and raising the height of tower machine, saved by N after charge pipe is connected with final section charge pipe successively, the distance between the discharging opening of described charge pipe and steel bar template is less than setpoint distance.
3. the construction method of cooling tower as claimed in claim 2, it is characterized in that, described setpoint distance is the ultimate range preventing concrete disintegration.
4. the construction method of cooling tower as claimed in claim 2, it is characterized in that, described N equals the number of the charge pipe of described dismounting.
5. the construction method of cooling tower as claimed in claim 1, it is characterized in that, described dismounting one saves charge pipe and is specially: to be lifted after steel bar template surrounds annular on the concrete of condensation by described tower machine described, and surround dismounting and charge pipe before or after annular in the described steel bar template that to be lifted on the concrete of condensation by described tower machine, or
Described dismounting one saves charge pipe and on the concrete of condensation, lifts steel bar template by described tower machine and surround annular and carry out simultaneously.
6. the construction method of cooling tower as claimed in claim 1, it is characterized in that, described tower machine is positioned at the center of the cooling tower of described construction.
7. the construction method of the cooling tower as described in any one of claim 1 ~ 6, it is characterized in that, the height of described rising tower machine is specially, and the tower body of described tower machine increases multiple tower-body standard section, and N times of the length of the overall height of tower-body standard section the increased charge pipe that to be dismounting lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177134.0A CN103938900B (en) | 2014-04-29 | 2014-04-29 | Construction method of cooling tower and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177134.0A CN103938900B (en) | 2014-04-29 | 2014-04-29 | Construction method of cooling tower and tower crane |
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| CN103938900A CN103938900A (en) | 2014-07-23 |
| CN103938900B true CN103938900B (en) | 2015-11-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372967B (en) * | 2014-11-18 | 2016-08-17 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of cooling stack inclined strut structure and construction method thereof |
| CN106759883B (en) * | 2016-11-30 | 2019-05-24 | 上海市机械施工集团有限公司 | The tower crane construction method of large-scale steel structure air cooling tower |
| CN111721140A (en) * | 2020-06-13 | 2020-09-29 | 中国化学工程第十一建设有限公司 | Construction method of glass fiber reinforced plastic cooling tower and glass fiber reinforced plastic cooling tower |
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|---|---|---|---|---|
| US4187660A (en) * | 1977-02-14 | 1980-02-12 | T. Y. Lin International | Method of constructing cooling tower employing precast reinforced concrete panels |
| CN201567793U (en) * | 2009-11-10 | 2010-09-01 | 鞍钢房地产开发集团有限公司 | Simple material distributing device for high-rise concrete pouring construction |
| CN201593303U (en) * | 2009-09-28 | 2010-09-29 | 中国第二冶金建设有限责任公司 | Simple annular shaping die plate |
| CN102839819A (en) * | 2012-08-21 | 2012-12-26 | 中国能源建设集团广东省电力设计研究院 | Flexible attachment arranging and selecting method of ultra-large type cooling tower construction tower crane based on tower barrel safety |
| CN203392756U (en) * | 2013-08-02 | 2014-01-15 | 山东电力建设第二工程公司 | Water tower cylinder wall construction device |
| CN103552937A (en) * | 2013-10-30 | 2014-02-05 | 中联重科股份有限公司 | Tower type hoisting and distributing dual-purpose machine |
-
2014
- 2014-04-29 CN CN201410177134.0A patent/CN103938900B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187660A (en) * | 1977-02-14 | 1980-02-12 | T. Y. Lin International | Method of constructing cooling tower employing precast reinforced concrete panels |
| CN201593303U (en) * | 2009-09-28 | 2010-09-29 | 中国第二冶金建设有限责任公司 | Simple annular shaping die plate |
| CN201567793U (en) * | 2009-11-10 | 2010-09-01 | 鞍钢房地产开发集团有限公司 | Simple material distributing device for high-rise concrete pouring construction |
| CN102839819A (en) * | 2012-08-21 | 2012-12-26 | 中国能源建设集团广东省电力设计研究院 | Flexible attachment arranging and selecting method of ultra-large type cooling tower construction tower crane based on tower barrel safety |
| CN203392756U (en) * | 2013-08-02 | 2014-01-15 | 山东电力建设第二工程公司 | Water tower cylinder wall construction device |
| CN103552937A (en) * | 2013-10-30 | 2014-02-05 | 中联重科股份有限公司 | Tower type hoisting and distributing dual-purpose machine |
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