CN102506271A - Method and device for locating embedded bushing of foundation bolt - Google Patents
Method and device for locating embedded bushing of foundation bolt Download PDFInfo
- Publication number
- CN102506271A CN102506271A CN2011102897817A CN201110289781A CN102506271A CN 102506271 A CN102506271 A CN 102506271A CN 2011102897817 A CN2011102897817 A CN 2011102897817A CN 201110289781 A CN201110289781 A CN 201110289781A CN 102506271 A CN102506271 A CN 102506271A
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- sleeve
- bushing
- service sleeve
- embedded
- service
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 230000004807 localization Effects 0.000 claims description 12
- 238000009415 formwork Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002023 wood Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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Abstract
The invention relates to a method and device for locating an embedded bushing of a foundation bolt. The device for locating the embedded bushing of the foundation bolt consists of a bushing sleeve, a locating round disc and a clamping seat, wherein the bushing sleeve consists of a wood cake, a bushing and a sleeve, the locating round disc is provided with a centering pin, a leveling bubble, a magnetic annular ring and a pin cap, and the clamping seat consists of a clamping block, a hinging seat, a spring and a handle. The diameter of the wood cake is equal to the inner diameter of the embedded bushing, the wood cake is arranged at the central point of an arrangement position of the embedded bushing on a base template, the bottom end of the embedded bushing is sleeved on the wood cake, the sleeve is sleeved at the top end of the embedded bushing, the leveling bubble is used for regulating verticality, the centering pin is used for measuring a relative position or an absolute position of the bushing by matching with a steel wire line and a steel measuring tape, and the top end of the embedded bushing is fixed firmly longitudinally and transversely by using an angle steel or an channel steel after the embedded bushing is regulated to be allowed deviation. The location precision is that the relative displacement between bushing centers is smaller than or equal to 1mm and the vertical deviation is smaller than or equal to 3mm; in addition, the embedded bushing of the foundation bolt of a foundation running layer of a turbine generator in a thermal power plant is located by using the method for locating the embedded bushing of the foundation bolt, disclosed by the invention, so that manual works can be reduced by a half and efficiency can be increased doubly.
Description
One, technical field
The invention belongs to thermoelectricity civil works technical field, be specifically related to a kind of localization method and positioning device that is used for thermal power plant's steam turbine generator pedestal running layer stone bolt service sleeve.
Two, background technique
The steam turbine generator pedestal is thermal power plant large-sized power plant basis, and the title of power plant's " heart " is arranged, and its complex structure, reinforcing bar are intensive, and the embedded part pipe laying is many; 350MW steam turbine generator group leader 12.6m, wide 4.7m, high 4.5m, the about 400t of gross weight, rotating speed 3000r/min, it is in the 0.06mm that the unit bearing support allows vibration values.Turbo-generator Set is fixed on the pedestal running layer through running through the type stone bolt.Convenient in order to guarantee Turbo-generator Set back leveling in place centering; When building steam turbine generator pedestal concrete; On pedestal running layer, bury the pre-buried steel sleeve pipe earlier underground, treat Turbo-generator Set behind location on the pedestal, stone bolt passes service sleeve the Turbo-generator Set fixation; Pour into preformed hole with high strength contraction-free grouting concrete again, stone bolt, service sleeve and pedestal pouring are integral.Improve the Location accuracy of service sleeve; Both can guarantee that the grouting material in the service sleeve wrapped up stone bolt equably; Can guarantee the quality of being in the milk finally to guarantee the stone bolt stress equalization vibrations that support produces when reducing the generator set running again; Make the unit bearing support allow shock value in predetermined range, significant to guaranteeing the normal safety in production of Turbo-generator Set.At present, thermal power plant's steam turbine generator pedestal running layer stone bolt service sleeve location adopts plumb bob, steel ruler and steel wire to locate.This localization method Location accuracy is not high, and receives the influence of weather rainstorm big, inconvenient operation not only, and working efficiency is also very low.
Three, summary of the invention
1, the purpose of invention: goal of the invention is the deficiency that overcomes existing stone bolt service sleeve localization method; Provide a kind of positioning device and localization method to come the stone bolt service sleeve is accurately located; And localization method does not receive the influence of weather rainstorm; Easy to operate, can also increase work efficiency.
2, technological scheme of the present invention is: technological scheme accompanying drawings of the present invention: made stone bolt service sleeve positioning device.Stone bolt service sleeve positioning device comprises sleeve pipe sleeve, positioning disc, three part compositions of mounting board seat, and the sleeve pipe sleeve is made up of wooden cake (2), sleeve pipe (3), sleeve (8); Centering pin (12), levelling bubble (11) are housed on the positioning disc, stud with magnet ring bar (10), pin cap (13) is used to protect centering pin; The mounting board seat is made up of fixture block (4), free bearing (5), spring (6), handle (7); The disk of positioning device, sleeve pipe, free bearing are made with transparent PVC plastic processing, and centering pin, pin cap, handle are used the stainless steel material processing and fabricating, and fixture block is made with rubber; Wood cake (2) thickness is 5cm, and diameter equates with the service sleeve internal diameter, places steam turbine generator pedestal running layer soffit formwork (1) to go up the central point of service sleeve (3) installation position, is fixed on the bed die.The bottom of service sleeve is enclosed within on the wooden cake; Put the sleeve (8) of positioning device on the top of service sleeve; Positioning disc is fixed on the sleeve, and the perpendicularity of service sleeve is adjusted through levelling bubble (11), and the handle (7) through the mounting board seat fixes and lifting-positioning device; Centering pin (12) is measured the relative position or the absolute position of service sleeve.The localization method of stone bolt service sleeve is: the stone bolt positioning device with manufacturing positions: after 1, steam turbine generator pedestal running layer soffit formwork (1) installs; Measure the central point of service sleeve (3) installation position with surveying instrument; With this central point be the center of circle at the soffit formwork upper drawing circle, drawn diameter of a circle equals the internal diameter of service sleeve, makes a diameter and equates with the service sleeve internal diameter; Thickness is the wooden cake (2) of 5cm; Place wooden cake (2) on the drawn circle, and wooden cake external diameter is overlapped with drawn circle, be fixed on wooden cake on the bed die with mighty bond and iron nail; 2, be enclosed within the bottom of service sleeve on the wooden cake, put the sleeve (8) of positioning device on the top of service sleeve; 3, the perpendicularity through levelling bubble (11) adjustment service sleeve, the handle (7) through the mounting board seat fixes and lifting-positioning device; 4, use centering pin (12) to cooperate steel wire and 50m steel tape to measure the relative position or the absolute position of service sleeve; 5, after the service sleeve Location accuracy is adjusted to the standard permissible error, with angle steel or channel-section steel the top of service sleeve in length and breadth to all fixations; Use the method for being invented that the stone bolt service sleeve is positioned, Location accuracy is: relative displacement≤1mm between the cover tube hub, code requirement≤3mm; Vertical missing≤3mm; Code requirement≤5mm.
3, the good effect of invention: (1) easy to operate efficient is high; The positioning device of manufacturing can be enclosed within stone bolt service sleeve top fast, and takes off also conveniently, with plumb bob and steel tape a stone bolt service sleeve is positioned measurement; Need 4 people to operate; And use the method for being invented that a stone bolt service sleeve is positioned measurement, only need 2 people's operations to get final product, and the operating time can be saved half the; Artificial save half thely, efficient doubles. and (2) setting accuracy is high: in the heart relative displacement≤1mm in each stone bolt service sleeve, and the stone bolt service sleeve is positioned deviation≤2mm, code requirement≤3mm with plumb bob and Straight Steel Ruler; Service sleeve vertical missing≤3mm, code requirement≤5mm.Improve stone bolt service sleeve installation precision; Can improve the grouting quality in the service sleeve; Thereby guarantee the stone bolt producing balanced forces, the vibration that pedestal produces when reducing the generator set running makes the unit bearing support allow shock value in predetermined range; Normally move for the assurance Turbo-generator Set, it is significant to keep the safety in production.
Four, description of drawings
Four, description of drawings
Fig. 1 is the left view of stone bolt service sleeve positioning device, and Fig. 2 is the plan view of stone bolt service sleeve positioning device, and Fig. 3 is the plan view of stone bolt service sleeve positioning device.1 is pedestal running layer soffit formwork, and 2 is wooden cake, and 3 is service sleeve, and 4 is fixture block, and 5 is free bearing, and 6 is spring, and 7 is handle, and 8 is sleeve, and 9 is disk, and 10 is the magnet ring bar, and 11 is levelling bubble, and 12 is centering pin, and 13 is the pin cap.
Five, practical implementation method
Made the used positioning device of localization method, positioning device comprises disk 9, sleeve 8, mounting board seat; Centering pin 12, levelling bubble 11 are housed on the disk 9, stud with magnet ring bar 10, pin cap 13 is used to protect centering pin 12.The mounting board seat is made up of fixture block 4, free bearing 5, spring 6, handle 7.The disk of positioning device, sleeve, free bearing are made with transparent PVC plastic processing, and centering pin, pin cap, handle are used the stainless steel material processing and fabricating, and fixture block is made with rubber.
Localization method of the present invention is: after 1, steam turbine generator pedestal running layer soffit formwork 1 installs; Measure the central point of service sleeve 3 installation positions with surveying instrument; With this central point be the center of circle at the soffit formwork upper drawing circle, drawn diameter of a circle equals the internal diameter of service sleeve, places wooden cake 2 on the drawn circle; And wooden cake external diameter is overlapped with drawn circle, be fixed on wooden cake on the bed die with mighty bond and iron nail; 2, be enclosed within the bottom of service sleeve on the wooden cake, put the sleeve 8 of positioning device on the top of service sleeve; 3, adjust the perpendicularity of service sleeve through levelling bubble 11, the handle 7 through the mounting board seat fixes and lifting-positioning device; 4, use centering pin 12 to cooperate steel wire and 50m steel tape to measure the relative position or the absolute position of service sleeve; 5, the service sleeve Location accuracy adjust to the design permissible error after, with ∠ 50 * 5 angle steel [10 channel-section steels the top of service sleeve in length and breadth to all fixations.Use the stone bolt service sleeve localization method of being invented, Location accuracy is: reach relative displacement≤1mm between tube hub, code requirement≤3mm; Vertical missing≤3mm; Code requirement≤5mm.
The actual measurement correlation data of invention is listed in table 1, table 2:
Table 1. stone bolt service sleeve is installed permissible error
Table 2. engineering stone bolt service sleeve detects data
| Sequence number | Inspection item | The service sleeve number | Acceptance number | Once check and accept passing rate |
| 1 | Distance between centers | 211 | 211 | 100％ |
| 2 | Perpendicularity | 211 | 211 | 100％ |
The data of table 1, table 2 show, adopt positioning device of the present invention and localization method, have not only improved stone bolt service sleeve installation efficiency, have also improved stone bolt service sleeve installation precision.Verify through engineering practice; Adopt thermal power plant's steam turbine generator pedestal running layer stone bolt service sleeve installation permissible error precision of the present invention's construction to be higher than the national regulation requirement; The stone bolt service sleeve is is once checked and accepted passing rate and is reached 100%, and artificial saving is half the, and efficient doubles.
Claims (1)
1. stone bolt service sleeve localization method positions with the stone bolt positioning device that sleeve pipe sleeve, positioning disc, mounting board seat are formed that comprises of manufacturing, and the sleeve pipe sleeve is made up of wooden cake (2), sleeve pipe (3), sleeve (8); Centering pin (12), levelling bubble (11) are housed on the positioning disc, stud with magnet ring bar (10), pin cap (13) is used to protect centering pin; The mounting board seat is made up of fixture block (4), free bearing (5), spring (6), handle (7), it is characterized in that:
1.1 after a steam turbine generator pedestal running layer soffit formwork (1) installs, measure the central point of service sleeve (3) installation position, be that the center of circle is at the soffit formwork upper drawing circle with this central point with surveying instrument; Drawn diameter of a circle equals the internal diameter of service sleeve; Make a diameter and equate that with the service sleeve internal diameter thickness is the wooden cake (2) of 5cm, places wooden cake (2) on the drawn circle; And wooden cake external diameter is overlapped with drawn circle, be fixed on wooden cake on the bed die with mighty bond and iron nail;
1.2 be enclosed within the bottom of service sleeve on the wooden cake, put the sleeve (8) of positioning device on the top of service sleeve;
1.3 adjust the perpendicularity of sleeve pipe through levelling bubble (11), the handle (7) through the mounting board seat fixes and lifting-positioning device;
1.4 use centering pin (12) to cooperate steel wire and 50m steel tape to measure the relative position or the absolute position of service sleeve;
After 1.5 the service sleeve Location accuracy is adjusted to the standard permissible error; With angle steel or channel-section steel the top of service sleeve in length and breadth to all fixations; Use the method for being invented that the stone bolt service sleeve is positioned, Location accuracy is: relative displacement≤1mm between the cover tube hub, code requirement≤3mm; Vertical missing≤3mm, code requirement≤5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102897817A CN102506271A (en) | 2011-09-28 | 2011-09-28 | Method and device for locating embedded bushing of foundation bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102897817A CN102506271A (en) | 2011-09-28 | 2011-09-28 | Method and device for locating embedded bushing of foundation bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102506271A true CN102506271A (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102897817A Pending CN102506271A (en) | 2011-09-28 | 2011-09-28 | Method and device for locating embedded bushing of foundation bolt |
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| Country | Link |
|---|---|
| CN (1) | CN102506271A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171242A (en) * | 2017-06-09 | 2017-09-15 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of one chip insulator transfer device and application method |
| CN110965791A (en) * | 2019-12-10 | 2020-04-07 | 中建七局安装工程有限公司 | Accurate positioning method for foundation bolt |
| CN111519651A (en) * | 2020-05-28 | 2020-08-11 | 中国化学工程第三建设有限公司 | Deviation control method for compressor foundation bolt embedded sleeve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11229409A (en) * | 1998-02-18 | 1999-08-24 | Toshiba Plant Kensetsu Co Ltd | Installation of machinery base |
| CN201381516Y (en) * | 2009-04-10 | 2010-01-13 | 中冶京唐建设有限公司 | Embedded bracket for mounting foundation bolt with large diameter |
| CN201944496U (en) * | 2010-11-15 | 2011-08-24 | 中国水利水电第十四工程局有限公司 | Lower margin bolt pre-embedding sleeve positioning device |
-
2011
- 2011-09-28 CN CN2011102897817A patent/CN102506271A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11229409A (en) * | 1998-02-18 | 1999-08-24 | Toshiba Plant Kensetsu Co Ltd | Installation of machinery base |
| CN201381516Y (en) * | 2009-04-10 | 2010-01-13 | 中冶京唐建设有限公司 | Embedded bracket for mounting foundation bolt with large diameter |
| CN201944496U (en) * | 2010-11-15 | 2011-08-24 | 中国水利水电第十四工程局有限公司 | Lower margin bolt pre-embedding sleeve positioning device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171242A (en) * | 2017-06-09 | 2017-09-15 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of one chip insulator transfer device and application method |
| CN110965791A (en) * | 2019-12-10 | 2020-04-07 | 中建七局安装工程有限公司 | Accurate positioning method for foundation bolt |
| CN111519651A (en) * | 2020-05-28 | 2020-08-11 | 中国化学工程第三建设有限公司 | Deviation control method for compressor foundation bolt embedded sleeve |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120620 |