CN104328796A - On-line overall replacement method of equipment foundation - Google Patents
On-line overall replacement method of equipment foundation Download PDFInfo
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- CN104328796A CN104328796A CN201410496616.2A CN201410496616A CN104328796A CN 104328796 A CN104328796 A CN 104328796A CN 201410496616 A CN201410496616 A CN 201410496616A CN 104328796 A CN104328796 A CN 104328796A
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- Prior art keywords
- cutting
- equipment
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- concrete
- integral replacing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
Abstract
The invention relates to upgrading of equipment in industrial and mining enterprises, in particular to a renovation construction method of a replaced equipment foundation. An on-line overall replacement method of an equipment foundation comprises a step of carrying out off-line prefabrication on a new equipment foundation before stopping of a production line, a step of dismantling an original concrete foundation after stopping of the production line, a step of hoisting the dismantled concrete foundation to leave the field and a step of carrying out on-line assembly on the new equipment foundation which completes off-line prefabrication. According to the on-line overall replacement method, the construction period is greatly shortened, and the labor intensity is reduced.
Description
Technical field
The present invention relates to scrap build in industrial and mining enterprises, particularly relate to the rebuilding construction method of the equipment Foundations of replacing.
Background technology
In recent ten years, China is due to expanding economy, for meeting a large amount of transformations caused by continuous increased requirement, alteration work, mostly relate to structure of modification, the particularly manufacturing enterprise such as metallurgy, automobile, can adjust product every now and then, this just requires to transform original production facility etc., more or less must relate to the dismounting of structure during transformation.The concrete such as traditional pneumatic pick, pick machine are adopted to abolish equipment, transformation likely can produce the problems such as space anxiety, more construction rubbish, dust, noise and labour intensity are large, inefficiency, and affecting other equipment, production and construction, easy damaged wants the integrality of reserve part structure.
The most important thing is that the transformation time is long.Equipment Foundations are transformed because working procedure is many, and the factors such as the concrete curing cycle is long, become the bottleneck of restriction construction period in the equipment on-line technological transformation project that downtime is short.Apart from measuring and calculating, in equipment on-line technological transformation project, the general concrete equipment Foundations engineering time accounts for the 30%-70% of Online revamp total time.Therefore, in some transformation projects equipment Foundations be transformed into project can the key of successful implementation.Shorten the duration of concrete foundation transformation, not only can provide the well-to-do time for scrap build, reduce the risk of scrap build, can also shorten and shut down producing the impact caused.
Concrete foundation transformation is carried out constructing and maintenance at present all at the scene, and due to concrete construction characteristic, its periodic potential must be longer.Remodeling method that is advanced, high efficiency, little noise micro mist dirt is used to replace original more original reinforcing bar to mix concrete restructuring bankrupt; Also to find out equipment Foundations construction method fast, extremely urgent.
Summary of the invention
The present invention is intended to solve the problem, and provides a kind of equipment Foundations online integral replacing method.The present invention can shorten construction period greatly, decreases labour intensity.
The online integral replacing method of a kind of equipment Foundations of the present invention, it comprises: the former concrete foundation after the off-line prefabrication step on the new equipment basis started before production line stop, production line stop removes step and subsequent the step and by prefabricated for the off-line online number of assembling steps in new equipment basis completed of the concrete foundation handling of pulling down being left the theatre.
The online integral replacing method of described equipment Foundations, described former concrete removal step comprises employing round cutting method, Buddha's warrior attendant chain cutting method, butterfly cutting method, Static crushing method or forces cracking method former concrete foundation to be removed.
The online integral replacing method of described equipment Foundations, described round cutting method comprises, utilize reinforced concrete driller tool to hole, ensure during boring that drilling machine and concrete cut basal plane vertical, after completing boring, utilize cutting equipment to complete the cutting on basis.
The online integral replacing method of described equipment Foundations, described Buddha's warrior attendant chain cutting method comprises and being combined by high-power hydraulic press, transmission positioning pulley and the steel wire with diamond sawtooth, has been carried out the cutting on basis by Buddha's warrior attendant chain.
The online integral replacing method of described equipment Foundations, described butterfly cutting method comprises and forms water cooling diamond dish-style cutting machine in vertical or transverse horizontal cutting by chopping disk, walking track, water cooled pipeline and operating grip, completes basic cutting work.
The online integral replacing method of described equipment Foundations, the static(al) that described Static crushing method comprises in filling hand-hole breaks broken dose of surrounding after certain hour, volume expansion, because the restriction of hole wall can produce the bulbs of pressure, compressive stress is produced in circular hole radial direction, in the direction vertical with compressive stress, namely along the tangential direction of circular hole; Produce tensile stress, when tangential stress is greater than concrete tensile strength, make concrete produce be full of cracks on hole wall, thus complete basis cutting.
The online integral replacing method of described equipment Foundations, described in the super high pressure oil of forcing cracking method to comprise to be exported by pumping plant drive oil cylinder to produce huge motive force, and can make to be divided object split by predetermined direction after mechan-amplifier, thus the basis of excision equipment.
The online integral replacing method of described equipment Foundations, described by prefabricated for the off-line online number of assembling steps in new equipment basis completed, comprise and by double-machine lifting crane, the lifting of new equipment basis being put in place.
The present invention uses the quick Demolition Construction of the concrete foundation in the method for quick-replaceable equipment Foundations comprehensive application technology effectively can reduce noise, dust when equipment Foundations cut, cut the irregular shortcoming of rear interface, the more important thing is the efficiency that greatly can improve concrete foundation transformation, shorten the engineering time and decrease labour intensity.Concrete foundation off-line prefabricated foundation in the present invention, to assemble online, effectively can shorten making and health at least two weeks time that improvement of manufacturing line is equipment Foundations; Production line can be made to resume production in advance creation benefit; Effectively can ensure the prefabricated equipment Foundations health sufficiently long time, ensure the concrete compressive strength of equipment Foundations.
General Production Lines rebuilding construction order go into operation to new equipment Installation and Debugging from production line stop equipment Removal before whole production line be stopped status and cannot normally produce.Whole work progress at least 50 days.The present invention changes normal sequence of construction and the construction on basis is completed before production line stop.Basis after production line stop adopts cutting method, and end-use device base integral lifts.Whole construction can foreshorten to 15-35 days.
Accompanying drawing explanation
Below, in conjunction with concrete mode, the present invention is further illustrated
Fig. 1 is schematic flow sheet of the present invention.
Detailed description of the invention
The online integral replacing method of a kind of equipment Foundations of the present invention; it comprises: the former concrete foundation after the off-line prefabrication step on the new equipment basis started before production line stop, production line stop removes step and subsequent the step and to be put online number of assembling steps, prefabricated for the off-line new equipment basis completed see Fig. 1 in place by double-machine lifting crane lifting of the concrete foundation handling of pulling down being left the theatre.
The online integral replacing method of described equipment Foundations, described former concrete removal step comprises employing round cutting method, Buddha's warrior attendant chain cutting method, butterfly cutting method, Static crushing method or forces cracking method former concrete foundation to be removed.
The online integral replacing method of described equipment Foundations, described round cutting method comprises, utilize reinforced concrete driller tool to hole, ensure during boring that drilling machine and concrete cut basal plane vertical, after completing boring, utilize cutting equipment to complete the cutting on basis.
Reinforced concrete driller tool, forms primarily of drilling pipe, drilling rod, fixed pedestal and water cooled pipeline.
Construction characteristic: utilize its body little, the feature of flexible operation, the advantage of fast with speed in drilling construction, the high and low noise of precision, shockproof, no dust pollution, meet the requirement of environmental protection, and different construction environment requirement can be adapted to.For digging a hole etc. in the middle of digging hole in wall or basis, form transformation usability is stronger.
But due to the diversity of equipment Foundations concrete profile and forms of modification, often occur that cutting basal plane and auger off plumb phenomenon occur.Normal practice be establish object to guarantee at auger bottom pad rig is vertical with basal plane.But because during drill hole of drilling machine, vibration is comparatively large, if pad is established and insecurely be there will be insecure phenomenon.In addition, because bevel angle is different, each pad is established and is all taken time and effort, and labour intensity is high, and efficiency is low, adopts other cutting methods cannot meet the demands again, therefore needs emphasis to solve the crucial problem of different in nature concrete drill hole cutting.
By " a set of boring cutting angle adjusting device " (patent No. is: ZL 201220565239.X), adopt angle regulator, can unusual the regulating arbitrarily angled within the scope of 0-90 ° of aspect, guarantee that drilling machine and concrete cut basal plane vertical.Simple to operate, easy to use, stability when greatly reducing labour hour and ensure that abnormity concrete boring cutting, successfully solves an abnormity concrete boring cutting difficult problem.
The online integral replacing method of described equipment Foundations, described Buddha's warrior attendant chain cutting method comprises and being combined by high-power hydraulic press, transmission positioning pulley and the steel wire with diamond sawtooth, has been carried out the cutting on basis by Buddha's warrior attendant chain.
Buddha's warrior attendant chain cutting machine, the combination of crossing conversion transmission fixed pulley group is installed, and can cut different shaping object, and cutting speed is fast in varying environment.Shockproof during cutting, low noise.
Construction characteristic: can perpendicular cuts, horizontal resection or horizontal tilt cutting, Different Rule moulding object can be cut in varying environment, and cutting speed is fast.Shockproof during cutting, low noise, otch is straight, and size is accurate, does not destroy inhering architecture structure, without the need to repairing afterwards.Buddha's warrior attendant chain must ensure that chain can penetrate formation ring-type when using, or carries out perforate in advance by rig, can ensure the equipment Foundations cutting that chain penetrates.
Construction process:
Determine cutting whole into sections etc.-→ boring-→ scaffold installation-→ wire rope installation-→ cutting equipment install-→ cutting-→ hang original position-→ be displaced to the cutting of next block-→ remove scaffold, cleaning
The online integral replacing method of described equipment Foundations, described butterfly cutting method comprises and forms water cooling diamond dish-style cutting machine in vertical or transverse horizontal cutting by chopping disk, walking track, water cooled pipeline and operating grip, completes basic cutting work.
Construction characteristic: construction operation noise is low, shockproof, without dust exhaust emission; meet ecological requirements; construction otch is neat, straight, quick; process need not be processed afterwards; do not limit by conditions such as construction plant, environmental protection, duration, security reasons, there is incomparable superior of traditional construction.During cutting, first open cooling water switch, cutting initial velocity is unsuitable too fast, after waiting saw blade to cut concrete, cutting speed is adjusted to normally.When cutting, constructor forbids the cut direction of saw blade of standing, and as stopped cutting halfway, can not stop immediately, slowly saw blade should be seesawed, and rise to certain position, to prevent saw disc to be jammed, and starting difficulty again.Butterfly cutting technique is mainly applied, less for oblique cutting application, within depth of cut is commonly used in 500mm scope, and comparatively economic security.Be commonly used at original concrete floor, equipment Foundations surface trench digging or groove.Butterfly cutting can only straight cuts.
The online integral replacing method of described equipment Foundations, the static(al) that described Static crushing method comprises in filling hand-hole breaks broken dose of surrounding after certain hour, volume expansion, because the restriction of hole wall can produce the bulbs of pressure, compressive stress is produced in circular hole radial direction, in the direction vertical with compressive stress, namely along the tangential direction of circular hole; Produce tensile stress, when tangential stress is greater than concrete tensile strength, make concrete produce be full of cracks on hole wall, thus complete basis cutting.
Static crushing be static fracturing agents when utilizing hydration reaction the own vol bulbs of pressure produced that expand object is destroyed.Quiet vertical broken opposed bottom more adapts to the body of wall that the original reinforcing bar needs of 1-1.5 rice retain. owing to adopting air drill boring to have dust raising phenomenon in boring procedure, should not adopt the place that on-the-spot dust has requirement higher.Adopt when crack reaches optimum state pick machine to carry out fragmentation, go out in crack and cut by pick, concrete is directly ruptured at crack place.The reinforcement of concrete pick machine can be made to cut speed by fragmentation to improve 3-4 doubly, so not only save machine-team expense but also shorten the duration.
Static crushing expense is 1/3 of cutting method.
The online integral replacing method of described equipment Foundations, described in the super high pressure oil of forcing cracking method to comprise to be exported by pumping plant drive oil cylinder to produce huge motive force, and can make to be divided object split by predetermined direction after mechan-amplifier, thus the basis of excision equipment.
Claims (8)
1. the online integral replacing method of equipment Foundations; it is characterized in that, it comprises: the former concrete foundation after the off-line prefabrication step on the new equipment basis started before production line stop, production line stop removes step and subsequent the step and by prefabricated for the off-line online number of assembling steps in new equipment basis completed of the concrete foundation handling of pulling down being left the theatre.
2. the online integral replacing method of equipment Foundations according to claim 1, it is characterized in that, described former concrete removal step comprises employing round cutting method, Buddha's warrior attendant chain cutting method, butterfly cutting method, Static crushing method or forces cracking method former concrete foundation to be removed.
3. the online integral replacing method of equipment Foundations according to claim 2, it is characterized in that, described round cutting method comprises, reinforced concrete driller tool is utilized to hole, ensure during boring that drilling machine and concrete cut basal plane vertical, after completing boring, utilize cutting equipment to complete the cutting on basis.
4. the online integral replacing method of equipment Foundations according to claim 2, it is characterized in that, described Buddha's warrior attendant chain cutting method comprises and being combined by high-power hydraulic press, transmission positioning pulley and the steel wire with diamond sawtooth, has been carried out the cutting on basis by Buddha's warrior attendant chain.
5. the online integral replacing method of equipment Foundations according to claim 2, it is characterized in that, described butterfly cutting method comprises and forms water cooling diamond dish-style cutting machine in vertical or transverse horizontal cutting by chopping disk, walking track, water cooled pipeline and operating grip, completes basic cutting work.
6. the online integral replacing method of equipment Foundations according to claim 2, it is characterized in that, the static(al) that described Static crushing method comprises in filling hand-hole breaks broken dose of surrounding after certain hour, volume expansion, because the restriction of hole wall can produce the bulbs of pressure, compressive stress is produced, in the direction vertical with compressive stress, namely along the tangential direction of circular hole in circular hole radial direction; Produce tensile stress, when tangential stress is greater than concrete tensile strength, make concrete produce be full of cracks on hole wall, thus complete basis cutting.
7. the online integral replacing method of equipment Foundations according to claim 2, described super high pressure oil of forcing cracking method to comprise to be exported by pumping plant drives oil cylinder to produce huge motive force, and can make to be divided object split by predetermined direction after mechan-amplifier, thus the basis of excision equipment.
8. the online integral replacing method of equipment Foundations according to claim 1, is characterized in that, described by prefabricated for the off-line online number of assembling steps in new equipment basis completed, and comprises and the lifting of new equipment basis being put in place by double-machine lifting crane.
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| CN201410496616.2A CN104328796A (en) | 2014-09-25 | 2014-09-25 | On-line overall replacement method of equipment foundation |
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| CN201410496616.2A CN104328796A (en) | 2014-09-25 | 2014-09-25 | On-line overall replacement method of equipment foundation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113774954A (en) * | 2021-07-02 | 2021-12-10 | 中国二十冶集团有限公司 | Method for moving and transforming welding machine |
| CN115478709A (en) * | 2022-09-30 | 2022-12-16 | 马鞍山钢铁股份有限公司 | Remote relocation method and device for TRT system |
| CN116122624A (en) * | 2023-03-20 | 2023-05-16 | 中国十九冶集团有限公司 | Construction method for protective dismantling of large-scale equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774954A (en) * | 2021-07-02 | 2021-12-10 | 中国二十冶集团有限公司 | Method for moving and transforming welding machine |
| CN115478709A (en) * | 2022-09-30 | 2022-12-16 | 马鞍山钢铁股份有限公司 | Remote relocation method and device for TRT system |
| CN116122624A (en) * | 2023-03-20 | 2023-05-16 | 中国十九冶集团有限公司 | Construction method for protective dismantling of large-scale equipment |
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Application publication date: 20150204 |
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