CN108560579A - The pre-buried parallels construction method of spring - Google Patents
The pre-buried parallels construction method of spring Download PDFInfo
- Publication number
- CN108560579A CN108560579A CN201810617258.4A CN201810617258A CN108560579A CN 108560579 A CN108560579 A CN 108560579A CN 201810617258 A CN201810617258 A CN 201810617258A CN 108560579 A CN108560579 A CN 108560579A
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- CN
- China
- Prior art keywords
- platen
- inclined sizing
- sizing block
- parallels
- template
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000004513 sizing Methods 0.000 claims abstract description 59
- 239000004567 concrete Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000002459 sustained effect Effects 0.000 claims abstract description 7
- 239000011440 grout Substances 0.000 claims abstract description 6
- 238000012797 qualification Methods 0.000 claims abstract description 5
- 238000009415 formwork Methods 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of pre-buried parallels construction methods of spring, and steps are as follows：1）Parallels is arranged：Two inclined sizing blocks are put in parallels position according to drawing requirement, spring is placed in inclined sizing block bottom, and the apparent height adjusted on all parallels is consistent；2）Formwork supporting plate：Template box is constituted by template, template box is placed on the periphery of inclined sizing block, and the bottom surface of template box contacts concrete foundation；3）Check gap：Platen is placed on the upper surface of inclined sizing block, and platen measures and adjusts all platen sustained heights afterwards in place, the gap between inclined sizing block and inclined sizing block, inclined sizing block and platen is then checked with clearance gauge, it is desirable that meet gap and be less than or equal to 0.05mm;4）Grouting material pours：It is matched according to the buck of grouting material, grout blanket is solidified by being injected into template box after mixing grouting material, and grouting material fills template box；5）Form removable：After maintenance expires, platen is removed, removing template is removed；6）Platen and equipment are in place：It is in place to wait for that above step examines the tail plank of qualification to distinguish with equipment.
Description
Technical field：
The technology of the present invention is related to a kind of medium-and-large-sized precision equipment parallels construction arrangement method of power construction, more particularly to a kind of bullet
The pre-buried parallels construction method of spring formula.
Background technology：
Large-scale precision equipment such as steam turbine generator first arranges parallels group and platen, deploys rear large-scale precision before in place
Equipment just can be in place.Every group between parallels and parallels, the gap between parallels and platen has to comply with requirement, generally less than or
Equal to 0.05mm.With the increase of unit capacity, the elimination of this gap is more and more difficult, cannot increasingly meet Large-scale machine set
Installation needs, and has threatened the safe and stable operation of unit, cannot increasingly meet the installation need of Large-scale machine set
It wants.Dongfan Steam Turbine Factory replaces parallels, Shanghai steam turbine plant imported-type unit directly to adopt using the method for spacer at present
It is adjusted with jackscrew, the method being then in the milk eliminates parallels, although both methods is fine, is not widely applied, mesh
Preceding large-scale precision equipment is still to arrange based on parallels.
With the construction of 2 × 300 megavar phase modulation machine stator of Taizhou for example, 300 megavar phase modulation machine stators share 136 groups of parallels, respectively
Current domestic parallels arrangement summarize being compared as follows：
Tradition plane parallels arrangement：It selects plane chiso-mallet concrete foundation pole to take manually, Carborundum wheel is selected to grind concrete foundation, it is dirty
Contaminate environment and very big to hazard to person；The concrete chisel of parallels position removes mortar bed, then pick it is flat, and both make contact closely knit and
Without tilting, this work construction is relatively difficult for quadrangle；And big gap between platen centre position parallels and platen can not be eliminated.
The pre-buried parallels of tradition：Parallels jackscrew is adjusted in restricted clearance, while ensureing platen level, and the construction time is long, while big platform
Parallels among plate can not adjust；Branch grout blanket shuttering work is difficult, easily causes to do over again.
Spacer is arranged：Before platen is in place（Afterwards）Branch grout blanket template, quadrangle have temporary support adjustment platen level to exist
0.02mm/m, adjustment are simple；But spacer makes 90% or more first-time qualification rate, it is gentle that two layers of skin easily occurs in spacer
Bubble often fails and 7 day time is once needed to remake, causes to delay the duration.
Invention content：
The technical problem to be solved by the present invention is to：Overcome the shortcomings of existing equipment, a kind of pre-buried parallels device of spring be provided,
Installation quality, cost-effective, energy saving is improved in the simple and fast gap eliminated between parallels and parallels, between parallels and platen
Environmental protection shortens the construction period, and applicability is wide.
The technical scheme is that：The pre-buried parallels construction method step of spring of the present invention is as follows：
Preparation includes：
1）To concrete foundation dabbing, chisel goes surface plaster layer to expose concrete layer, clears up concrete surface；
2）It needs to select inclined sizing block according to device category, concrete foundation intensity and design；
3）The absolute altitude of Fundamentals of Measurement calculates the elastic force and length of spring, purchases suitable spring；
4）The surface of parallels and platen is cleaned and checked；
Operating procedure：
1）Parallels is arranged：Two inclined sizing blocks are put in parallels position according to drawing requirement, spring, adjustment are placed in inclined sizing block bottom
All parallels upper surfaces it is highly consistent；
2）Formwork supporting plate：Template box is constituted by template, template box is placed on the periphery of inclined sizing block, the bottom surface contact of template box
Concrete foundation；
3）Check gap：Platen is placed on the upper surface of inclined sizing block, and platen measures and adjust all platen sustained heights afterwards in place,
Then the gap between inclined sizing block and inclined sizing block, inclined sizing block and platen is checked with clearance gauge, it is desirable that meet gap and be less than or equal to
0.05mm；
4）Grouting material pours：It is matched according to the buck of grouting material, grout blanket after mixing grouting material by being injected into template box
It inside solidifies, grouting material fills template box；
5）Form removable：After maintenance expires, platen is removed, removing template is removed, if causing to do over again, when generally removing wood template
It causes to pour and is partially disengaged concrete；
6）Platen and equipment are in place：It is in place to wait for that above step examines the tail plank of qualification to distinguish with equipment.
The pre-buried parallels construction method of the spring, step 2）In, template uses the repeatable wood template utilized,
Form height subtracts the summation of the major part thickness of concrete foundation absolute altitude and inclined sizing block equal to the lower surface absolute altitude of platen；Place mould
Be easy to encounter inclined sizing block when plate box, thus with cement to template box ca(u)lk after, need the mark for checking again for inclined sizing block
Height prevents platen rear spring overcompression or under-voltage contracting in place.
The pre-buried parallels construction method of the spring, step 3）After platen is in place, measured with water connection or spirit level
And all platen sustained heights are adjusted, with conjunction as horizontal measurement and each block of platen of leveling；When checking gap with clearance gauge, due to existing
Field environment compares evil slightly or gap digit is equipped with concrete little particle, gap occurs and is more than 0.05mm, shakes parallels, gap disappears naturally
It removes.
The pre-buried parallels construction method of the spring, step 4）, it is in the milk highly identical as form height；It is being in the milk
Before, should ensure that concrete foundation clean after moisturizing for 24 hours.
The pre-buried parallels construction method of the spring, step 1）In, the bottom of inclined sizing block places 4 or 4 or more
Spring；The inclined sizing block absolute altitude for adjusting four angles draws chalk line or steel wire, adjustment on the basis of the upper surface of four angle inclined sizing blocks
All inclined sizing block upper surfaces it is highly consistent.
The technology of the present invention has the advantages that：
High efficiency avoids conventional processes " eliminating parallels and parallels, gap between parallels and platen " and " parallels position concrete
Basic chipping, parallels should be contacted with basis it is closely knit, and quadrangle is without tilting ", directly eliminate between parallels and parallels, parallels and platen
Between gap, the adjustment of later stage absolute altitude, which only needs to adjust inclined sizing block height, can meet construction requirement, this device construction method
Simply, ordinary person's operation can meet construction requirement, be very suitable for the needs of current large-scale precision equipment installation.
Economy, the absolute altitude after platen is in place need to only move inclined sizing block, few using steel, and grouting material consumption is few, applies
Work method is simple, and the construction time is short, can save a large amount of personage and material resources, reduce the construction cost of enterprise, greatly improve installation
Quality.
Dust pollution is not present in environmental protection and energy saving, environmentally protective.
It it was verified that being constructed using the method, compared with other parallels are arranged, can not only shorten the construction period, save material
Expect cost, it is environmentally protective, installation quality can also be improved.It is relatively as follows compared with traditional parallels arranges method：
Construction period and human cost：
Conventional method arranges parallels-use plane hammer construction：45 days construction times, 54000 yuan of operating expenses,
Conventional method arranges that parallels-is constructed using angle grinder：41 days construction times, 49200 yuan of operating expenses,
Pre-buried parallels method-use welding jackscrew construction：28 days construction times, 33600 yuan of operating expenses,
The pre-buried parallels construction method of the present invention-spring：14 days construction times, 16800 yuan of operating expenses；
Material cost：
136 plain cushion iron are replaced with grouting material：
Traditional plain cushion iron：Plain cushion iron expense：2.4 tons × 0.6 ten thousand yuan/ton=1.44 ten thousand yuan,
The present invention：Grouting material expense：0.7 ton × 0.68 ten thousand yuan/ton=0.476 ten thousand yuan,
Master Cost：1 yuan 4, spring purchases 140 yuan of spring,
Conclusion：1.44-0.476-0.14=0.95 ten thousand,
Material cost 0.95 ten thousand can be saved using the present invention.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode：The pre-buried parallels construction method step of spring of the present invention is as follows：
Preparation includes：
1）To concrete foundation dabbing, chisel goes surface plaster layer to expose concrete layer, clears up concrete surface；
2）It needs to select inclined sizing block 2 according to device category, concrete foundation intensity and design；
3）The absolute altitude of Fundamentals of Measurement calculates the elastic force and length of spring, purchases suitable spring 3；
4）The surface of inclined sizing block 2 and platen 1 is cleaned and checked；
Operating procedure：
1）Parallels is arranged：Two inclined sizing blocks 2 are put in parallels position according to drawing requirement, spring is placed in the bottom of inclined sizing block 2
3, the upper level for adjusting all inclined sizing blocks 2 is consistent；
2）Formwork supporting plate：Template box is constituted by template, template box is placed on the periphery of inclined sizing block 2, and the bottom surface of template box connects
Touch concrete foundation；Template subtracts mixed using the repeatable wood template utilized, form height equal to the lower surface absolute altitude of platen 1
The summation of the major part thickness of solidifying earth foundation absolute altitude and inclined sizing block 2；It is easy to encounter inclined sizing block 2 when placing template box, therefore uses water
After mud is to template box ca(u)lk, need the absolute altitude for checking again for inclined sizing block 2, after preventing platen 1 in place spring overcompression or
Contracting that person is under-voltage.
3）Check gap：Platen 1 is placed on the upper surface of inclined sizing block 2, is measured after platen 1 is in place and adjusts all platens 1
Then sustained height checks the gap between inclined sizing block 2 and inclined sizing block 2, inclined sizing block 2 and platen 1, it is desirable that meet gap with clearance gauge
Less than or equal to 0.05mm；Place 4 or 4 or more springs in the bottom of inclined sizing block 2；2 absolute altitude of inclined sizing block at four angles is adjusted,
On the basis of the upper surface of four angle inclined sizing blocks 2, draw chalk line or steel wire, the upper level for adjusting all inclined sizing blocks 2 consistent；Platform
After plate 1 is in place, 1 sustained height of all platens is measured and adjusts with water connection or spirit level, with conjunction is as horizontal measurement and leveling is every
One block of platen 1；When checking gap with clearance gauge, since site environment compares, evil is omited or gap digit is equipped with concrete little particle, is occurred
Gap is more than 0.05mm, shakes inclined sizing block 2, gap is eliminated naturally.
4）Grouting material pours：It is matched according to the buck of grouting material, grout blanket 4 after mixing grouting material by being injected into template
It is solidified in box, grouting material fills template box；Grouting height is identical as form height；Before grouting, it should ensure that
Concrete foundation clean after moisturizing for 24 hours.
5）Form removable：After maintenance expires, platen 1 is removed, removing template is removed, if causing to do over again, generally removes wood
It causes to pour when template to be partially disengaged concrete.
6）Platen and equipment are in place：It is in place to wait for that above step examines the tail plank 1 of qualification to distinguish with equipment.
Claims (5)
1. a kind of pre-buried parallels construction method of spring, steps are as follows：
Preparation includes：
1）To concrete foundation dabbing, chisel goes surface plaster layer to expose concrete layer, clears up concrete surface；
2）It needs to select inclined sizing block according to device category, concrete foundation intensity and design（2）；
3）The absolute altitude of Fundamentals of Measurement calculates the elastic force and length of spring, purchases suitable spring（3）；
4）To inclined sizing block（2）And platen（1）Surface cleaned and checked；
Operating procedure：
1）Parallels is arranged：According to drawing requirement two inclined sizing blocks are put in parallels position（2）, inclined sizing block（2）Bottom place
Spring（3）, adjust all inclined sizing blocks（2）Upper level it is consistent；
2）Formwork supporting plate：Template box is constituted by template, template box is placed on inclined sizing block（2）Periphery, the bottom surface of template box
Contact concrete foundation；
3）Check gap：Platen（1）It is placed on inclined sizing block（2）Upper surface, platen（1）It is measured after in place and adjusts all platens
（1）Then sustained height checks inclined sizing block with clearance gauge（2）With inclined sizing block（2）, inclined sizing block（2）With platen（1）Between gap,
It is required that meeting gap is less than or equal to 0.05mm；
4）Grouting material pours：It is matched according to the buck of grouting material, grout blanket（4）By being injected into template box after mixing grouting material
It is solidified in son, grouting material fills template box；
5）Form removable：After maintenance expires, platen is removed（1）, removing template is removed, if causing to do over again, generally removes wood mould
It causes to pour when plate to be partially disengaged concrete；
6）Platen and equipment are in place：Wait for that above step examines the tail plank of qualification（1）Distinguish with equipment in place.
2. the pre-buried parallels construction method of spring according to claim 1, it is characterised in that：Step 2）In, template uses
The repeatable wood template utilized, form height are equal to platen（1）Lower surface absolute altitude subtract concrete foundation absolute altitude and taper liner
Iron（2）Major part thickness summation；It is easy to encounter inclined sizing block when placing template box（2）, therefore template box is held back with cement
After seam, need to check again for inclined sizing block（2）Absolute altitude, prevent platen（1）Spring overcompression or under-voltage contracting after in place.
3. the pre-buried parallels construction method of spring according to claim 1, it is characterised in that：Step 3）Platen（1）In place
Afterwards, it is measured with water connection or spirit level and adjusts all platens（1）Sustained height, with conjunction as horizontal measurement and each piece of platform of leveling
Plate（1）；When checking gap with clearance gauge, since site environment compares, evil is omited or gap digit is equipped with concrete little particle, gap occurs
More than 0.05mm, inclined sizing block is shaken（2）, gap is eliminated naturally.
4. the pre-buried parallels construction method of spring according to claim 1, it is characterised in that：Step 4）, grouting height with
Form height is identical；Before grouting, should ensure that concrete foundation clean after moisturizing for 24 hours.
5. the pre-buried parallels construction method of spring according to claim 1, it is characterised in that：Step 1）In, inclined sizing block（2）
Bottom place 4 or 4 or more springs；Adjust the inclined sizing block at four angles（2）Absolute altitude, with four angle inclined sizing blocks（2）It is upper
On the basis of surface, chalk line or steel wire are drawn, all inclined sizing blocks are adjusted（2）Upper level it is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617258.4A CN108560579B (en) | 2018-06-15 | 2018-06-15 | Spring type pre-buried sizing block construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617258.4A CN108560579B (en) | 2018-06-15 | 2018-06-15 | Spring type pre-buried sizing block construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108560579A true CN108560579A (en) | 2018-09-21 |
| CN108560579B CN108560579B (en) | 2023-11-10 |
Family
ID=63553913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810617258.4A Active CN108560579B (en) | 2018-06-15 | 2018-06-15 | Spring type pre-buried sizing block construction method |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405465A (en) * | 2019-07-22 | 2019-11-05 | 天津天安机电设备安装工程有限公司 | A kind of high-pressure roller mill construction method of installation |
| CN111441379A (en) * | 2020-04-02 | 2020-07-24 | 河南中电工程咨询有限公司 | Installation and construction method of coupling variable-frequency generator |
| CN113638438A (en) * | 2021-08-13 | 2021-11-12 | 中材天安(天津)工程有限公司 | Installation method of roller type vertical mill support base |
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| CN104989918A (en) * | 2015-05-21 | 2015-10-21 | 中冶天工集团有限公司 | Method for setting large-area foundation pad iron |
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2018
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|---|---|---|---|---|
| TWM291446U (en) * | 2005-12-06 | 2006-06-01 | Yu-Cheh Hsiao | Elevation indicator |
| CN201954201U (en) * | 2010-10-25 | 2011-08-31 | 中国三冶集团有限公司机械安装工程公司 | Strutting arrangement for equipment installation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110405465A (en) * | 2019-07-22 | 2019-11-05 | 天津天安机电设备安装工程有限公司 | A kind of high-pressure roller mill construction method of installation |
| CN111441379A (en) * | 2020-04-02 | 2020-07-24 | 河南中电工程咨询有限公司 | Installation and construction method of coupling variable-frequency generator |
| CN113638438A (en) * | 2021-08-13 | 2021-11-12 | 中材天安(天津)工程有限公司 | Installation method of roller type vertical mill support base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108560579B (en) | 2023-11-10 |
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