CN112376606A - Equipment foundation bolt mounting die and construction method thereof - Google Patents
Equipment foundation bolt mounting die and construction method thereof Download PDFInfo
- Publication number
- CN112376606A CN112376606A CN202011320182.2A CN202011320182A CN112376606A CN 112376606 A CN112376606 A CN 112376606A CN 202011320182 A CN202011320182 A CN 202011320182A CN 112376606 A CN112376606 A CN 112376606A
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- guide rail
- longitudinal guide
- foundation
- foundation bolt
- slidable
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims description 10
- 239000011150 reinforced concrete Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Foundations (AREA)
Abstract
The invention relates to the technical field of civil engineering and equipment installation, in particular to an equipment foundation bolt installation die and a construction method thereof. The device comprises a horizontal adjusting ground foot, a transverse slideway, a longitudinal beam, a longitudinal guide rail, a slidable support piece, a support frame, a universal horizontal bubble and an infrared positioner; the transverse slideway and the longitudinal beam are fixedly connected into a rectangular frame, and the longitudinal guide rail is arranged on the transverse slideway, transversely slides along the transverse slideway and is fixed by a fixing piece; the slidable supporting pieces are connected with the longitudinal guide rail in a sliding mode, slide along the longitudinal guide rail longitudinally and are fixed through the fixing pieces, and the foundation bolts are installed between the two slidable supporting pieces and are fixed on the slidable supporting pieces through the fixing pieces; the horizontal adjustment lower margin is installed in the rectangular frame bottom, and the support frame is installed at the rectangular frame top, and universal level bubble is installed on the support frame, and the infrared locator is installed in universal level bubble below. The foundation bolt mounting precision is improved, the labor intensity of mounting operation is reduced, and labor cost and material cost are saved.
Description
Technical Field
The invention relates to the technical field of civil engineering and equipment installation, in particular to an equipment foundation bolt installation die and a construction method thereof.
Background
Along with the acceleration of industrial construction pace in recent years in China, new projects are continuously started for construction, large hot continuous rolling, cold rolling and blast furnace equipment foundations are continuously emerged, large foundation bolts in steel structure factory building columns and large equipment foundations are more and more mounted, the diameters of the large foundation bolts are larger and larger, the requirement on the mounting accuracy of the foundation bolts is continuously improved, the large foundation bolts are indispensable process components in the equipment foundations, the mounting accuracy directly influences the problem that whether mechanical equipment can be smoothly mounted and whether production can normally run or not, and therefore the large foundation bolts are an important and complex process related to construction quality and progress.
When a steel structure factory building column, some large-scale equipment and general equipment are installed, foundation bolts for fixing the column and the equipment are usually pre-embedded into concrete, most of the existing foundation bolt installation methods are that after a line frame is pre-embedded, measuring points are repeatedly measured by a measuring instrument, then the pre-embedded bolts are welded on a steel bar or a section steel fixing frame, and height measurement leveling is carried out by the measuring instrument; generally, the ground cage is manufactured in advance for pre-embedding with higher installation accuracy, the ground cage needs to be penetrated on a pre-embedded steel plate with a bolt hole, a nut is arranged for pressing, an embedded part is bound on a template and fixed well before pouring so as to guarantee the installation size of a foot bolt, the geometric dimension needs to be corrected after welding is completed, and the installation of the foot bolt is really completed.
The disadvantages of this method are:
1. the mounting process itself has a deviation in accuracy. If the deviation of the accuracy exists in the installation process, the foundation bolt with the deviation exceeding the standard needs to be reworked after retest;
2. in addition, during operation activities (mainly when concrete is poured), the line frame may be displaced in the horizontal direction due to the action of live load, which causes deviation in the accuracy of the formed foundation bolt. If concrete is poured during the operation, the horizontal displacement of the line frame is generated under the action of live load, the working time is difficult to retreat, or the line frame is not processed in time, the reworking after the forming is troublesome, and the cost is correspondingly increased.
The mounting bolt needs to be measured and corrected many times, and a large amount of steel bars or section steel needs to be consumed for fixing, so that the project cost is greatly increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an equipment foundation bolt mounting die and a construction method thereof. The foundation bolt mounting precision is improved, the labor intensity of mounting operation is reduced, and labor cost and material cost are saved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an equipment foundation bolt installation die comprises a horizontal adjusting foundation, a transverse slideway, a longitudinal beam, a longitudinal guide rail, a slidable support piece, a support frame, a universal horizontal bubble and an infrared positioner; the two transverse slideways and the two longitudinal beams are fixedly connected to form a rectangular frame, and the longitudinal guide rail is installed on the transverse slideways, transversely slides along the transverse slideways and is fixed through a fixing piece; the slidable supporting pieces are connected with the longitudinal guide rail in a sliding mode, slide along the longitudinal guide rail longitudinally and are fixed through the fixing pieces, and the foundation bolts are installed between the two slidable supporting pieces and are fixed on the slidable supporting pieces through the fixing pieces; the horizontal adjustment lower margin is installed in the rectangular frame bottom, and the support frame is installed at the rectangular frame top, and universal level bubble is installed on the support frame, and the infrared locator is installed in universal level bubble below.
The support column is characterized by further comprising support columns, wherein the four support columns are fixedly connected to the bottoms of four corners of the rectangular frame, horizontal adjusting anchor feet are installed at the bottoms of the support columns, the height of each support column is adjusted through the horizontal adjusting anchor feet, and the levelness of the rectangular frame is adjusted.
The transverse slideway is provided with a sliding groove matched with the longitudinal guide rail, and the longitudinal guide rail is arranged in the sliding groove.
The bottom of the slidable support piece is provided with a groove, the longitudinal guide rail is provided with a bulge corresponding to the groove, and the bulge is placed in the groove.
The four longitudinal guide rails are arranged between the two transverse slideways in parallel.
Eight slidable support members are provided, and two slidable support members are mounted on one longitudinal guide rail.
And length scale marks are arranged on the transverse slide way.
And width scale marks are arranged on the longitudinal guide rail.
A construction method for installing foundation bolts of equipment foundations specifically comprises the following steps:
1) and (3) measurement and paying-off: after a reinforcement cage arranged in the reinforced concrete foundation is bound and before the reinforced concrete foundation is poured, respectively measuring and paying off the central points of the pre-embedded positions of a plurality of construction foundation bolts in the reinforced concrete, and marking the central positions by using cross lines;
2) preliminarily installing foundation bolts: preliminarily mounting the foundation bolt according to a drawing and a construction requirement size, placing the foundation bolt to be mounted in a slidable support piece, adjusting the position through a scale mark, after the horizontal position is adjusted, adopting a measuring tape to be close to the foundation bolt for height measurement, and after the horizontal position and the vertical height are simultaneously calibrated, preliminarily fixing by adopting a fixing piece;
3) placing a mould: placing the die with the foundation bolts fixed according to the pre-embedded positions of the foundation bolts to be constructed, which are obtained by measuring and paying off in the step 1), wherein the infrared positioner is only required to be aligned to the center position of the cross line obtained by measuring and paying off;
4) leveling a mould: after the leveling device is fixed at the central position, leveling of the die is carried out by adopting horizontal adjusting feet and universal horizontal bubbles which are arranged at four corners;
5) fixing foundation bolts: respectively fixing a plurality of foundation bolts needing to be constructed in the step 2) in the bound reinforcement cage;
6) dismantling the mold: loosening the fixing piece in the step 2), and then dismantling the foundation bolt mounting die from bottom to top;
the construction method comprises the step 2) which can be carried out after the step 3) or the step 4), and the specific construction steps can be automatically adjusted according to the actual construction conditions on site.
Compared with the prior art, the invention has the beneficial effects that:
1) measurement errors caused by multiple measurements are avoided, and the installation size is more accurate;
2) the foundation bolts can be preliminarily installed outside a construction site, so that the construction period waste caused by cross operation is avoided;
3) the labor intensity of paying-off personnel and constructors is reduced, the construction progress is accelerated, and the construction cost is reduced;
4) the number of external anchor bolt fixing frames is reduced, and the material usage amount is saved.
Drawings
FIG. 1 is a front view of the present invention in a schematic configuration;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic top view of the structure of the present invention.
In the figure: 1-longitudinal beam 2-pillar 3-horizontal adjusting foot 4-transverse slideway 5-longitudinal guide rail 6-slidable support 7-support frame 8-set screw 9-universal horizontal bulb 10-infrared locator 11-foundation bolt 41-sliding groove 42-length scale mark 51-projection 52-width scale mark 61-groove
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
example (b):
as shown in fig. 1 to 3, an equipment foundation bolt mounting die comprises a support column 2, a horizontal adjusting foundation 3, a transverse slideway 4, a longitudinal beam 1, a longitudinal guide rail 5, a slidable support piece 6, a support frame 7, a universal horizontal bubble 9 and an infrared positioner 10. The horizontal adjusting anchor 3, the universal horizontal bubble 9 and the infrared locator 10 are existing products, and the universal horizontal bubble 9 adopts a high-precision universal horizontal bubble.
The transverse slide ways 4 and the longitudinal beams 1 are made of sectional materials, the two transverse slide ways 4 are parallel to each other and are transversely arranged, the two transverse slide ways 4 are perpendicular to the two longitudinal beams 1, and the two transverse slide ways 4 and the two longitudinal beams 1 are welded into a rectangular frame.
Four 2 rigid couplings of pillar are in rectangular frame's four corners bottom, and level (l) ing 3 is installed in pillar 2 bottom, through the height of the adjustable pillar 2 of level (l) ing 3, and then adjusts rectangular frame's levelness.
The transverse slideway 4 is provided with a sliding groove 41 matched with the longitudinal guide rail 5, and the end part of the longitudinal guide rail 5 is arranged in the sliding groove 41. The four longitudinal guide rails 5 are parallel to each other, two longitudinal guide rails are a pair and are installed between the two transverse slideways 4, and the longitudinal guide rails 5 transversely slide along the transverse slideways 4 and are fixed through the fastening screws 8. The transverse slideway 4 is provided with length scale marks 42, and the position of the longitudinal guide rail 5 can be determined through the length scale marks 42, so that the transverse distance of the longitudinal guide rail 5 can be measured.
The slidable support 6 is provided with a groove 61 at the bottom and the longitudinal rail 5 is provided with a corresponding protrusion 51, the protrusion 51 being placed in the groove 61. Eight slidable supporting members 6 are provided, two slidable supporting members 6 are mounted on one longitudinal rail 5, and the slidable supporting members 6 are slid along the longitudinal rail 5 and fixed by fastening screws 8. The longitudinal rail 5 is provided with width graduation marks 52, and the position of the slidable support 6 can be determined by the width graduation marks 52, and the longitudinal distance between the two slidable supports 6 can be measured.
The foundation bolt 11 is fixed between the two slidable supporting pieces 6 through the fastening screw 8, the foundation bolt 11 with different sizes can be adapted through adjustment of the distance between the two longitudinal guide rails 5, the distance between the two longitudinal guide rails 5 is increased to adapt to the foundation bolt 11 with the large size, and the distance between the two longitudinal guide rails 5 is reduced to adapt to the foundation bolt 11 with the small size.
The transverse spacing of the two anchor bolts 11 can be adjusted by sliding the longitudinal guide rail 5 along the transverse slideway 4, and the longitudinal spacing of the two anchor bolts 11 can be adjusted by sliding the slidable support 6 along the longitudinal guide rail 5.
The support frame 7 is inverted U-shaped, the support frame 7 is fixedly connected to the top of the rectangular frame, the universal horizontal bubble 9 is arranged on the support frame 7, the universal horizontal bubble 9 is located at the center of the rectangular frame, and the infrared positioner 10 is arranged under the universal horizontal bubble 9.
A construction method for installing foundation bolts of equipment foundations specifically comprises the following steps:
1) and (3) measurement and paying-off: after the reinforcement cage arranged in the reinforced concrete foundation is bound and before the reinforced concrete foundation is poured, respectively measuring and paying off the central points of the pre-embedded positions of a plurality of construction foundation bolts 11 in the reinforced concrete, and marking the central positions by using cross lines;
2) the foundation bolts 11 are preliminarily installed: preliminarily mounting the foundation bolt 11 according to a drawing and a construction requirement size, placing the foundation bolt 11 to be mounted in a slidable support part 6, adjusting the position through a length scale mark 42 and a width scale mark 52, measuring the height by using a measuring tape to be close to the foundation bolt 11 after the horizontal position is adjusted, and preliminarily fixing by using a fastening screw 8 after the horizontal position and the vertical height are simultaneously calibrated;
3) placing a mould: placing the die with the foundation bolts 11 fixed according to the pre-embedded positions of the foundation bolts 11 to be constructed, which are obtained by measuring and paying off in the step 1), wherein the infrared positioner 10 is only required to be aligned to the center positions of the cross lines obtained by measuring and paying off;
4) leveling a mould: after the leveling device is fixed at the central position, the leveling of the die is carried out by adopting the horizontal adjusting ground feet 3 and the universal horizontal bubble 9 which are arranged at four corners;
5) fixing the foundation bolts 11: respectively fixing a plurality of foundation bolts 11 to be constructed in the step 2) in the bound reinforcement cage;
6) dismantling the mold: loosening the fastening screws 8 in the step 2), and then dismantling the foundation bolt mounting die from bottom to top;
the construction method comprises the step 2) which can be carried out after the step 3) or the step 4), and the specific construction steps can be automatically adjusted according to the actual construction conditions on site.
The invention avoids the measurement error caused by multiple measurements, and makes the installation size more accurate; the foundation bolts 11 can be preliminarily installed outside a construction site, so that the construction period waste caused by cross operation is avoided; the labor intensity of paying-off personnel and constructors is reduced, the construction progress is accelerated, and the construction cost is reduced; the number of external anchor bolt fixing frames is reduced, and the material usage amount is saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an equipment basis rag bolt mold installation which characterized in that: the device comprises a horizontal adjusting ground foot, a transverse slideway, a longitudinal beam, a longitudinal guide rail, a slidable support piece, a support frame, a universal horizontal bubble and an infrared positioner; the two transverse slideways and the two longitudinal beams are fixedly connected to form a rectangular frame, and the longitudinal guide rail is installed on the transverse slideways, transversely slides along the transverse slideways and is fixed through a fixing piece; the slidable supporting pieces are connected with the longitudinal guide rail in a sliding mode, slide along the longitudinal guide rail longitudinally and are fixed through the fixing pieces, and the foundation bolts are installed between the two slidable supporting pieces and are fixed on the slidable supporting pieces through the fixing pieces; the horizontal adjustment lower margin is installed in the rectangular frame bottom, and the support frame is installed at the rectangular frame top, and universal level bubble is installed on the support frame, and the infrared locator is installed in universal level bubble below.
2. The equipment foundation bolt installation mold of claim 1, wherein: the support column is characterized by further comprising support columns, wherein the four support columns are fixedly connected to the bottoms of four corners of the rectangular frame, horizontal adjusting anchor feet are installed at the bottoms of the support columns, the height of each support column is adjusted through the horizontal adjusting anchor feet, and the levelness of the rectangular frame is adjusted.
3. The equipment foundation bolt installation mold of claim 1, wherein: the transverse slideway is provided with a sliding groove matched with the longitudinal guide rail, and the longitudinal guide rail is arranged in the sliding groove.
4. The equipment foundation bolt installation mold of claim 1, wherein: the bottom of the slidable support piece is provided with a groove, the longitudinal guide rail is provided with a bulge corresponding to the groove, and the bulge is placed in the groove.
5. The equipment foundation bolt installation mold of claim 1, wherein: the four longitudinal guide rails are arranged between the two transverse slideways in parallel.
6. The equipment foundation bolt installation mold of claim 1, wherein: eight slidable support members are provided, and two slidable support members are mounted on one longitudinal guide rail.
7. The equipment foundation bolt installation mold of claim 1, wherein: and length scale marks are arranged on the transverse slide way.
8. The equipment foundation bolt installation mold of claim 1, wherein: and width scale marks are arranged on the longitudinal guide rail.
9. A construction method for installing a mold based on the foundation bolts of the equipment as claimed in claim 1, 2, 3, 4, 5, 6, 7 or 8 is characterized by comprising the following steps:
1) and (3) measurement and paying-off: after a reinforcement cage arranged in the reinforced concrete foundation is bound and before the reinforced concrete foundation is poured, respectively measuring and paying off the central points of the pre-embedded positions of a plurality of construction foundation bolts in the reinforced concrete, and marking the central positions by using cross lines;
2) preliminarily installing foundation bolts: preliminarily mounting the foundation bolt according to a drawing and a construction requirement size, placing the foundation bolt to be mounted in a slidable support piece, adjusting the position through a scale mark, after the horizontal position is adjusted, adopting a measuring tape to be close to the foundation bolt for height measurement, and after the horizontal position and the vertical height are simultaneously calibrated, preliminarily fixing by adopting a fixing piece;
3) placing a mould: placing the die with the foundation bolts fixed according to the pre-embedded positions of the foundation bolts to be constructed, which are obtained by measuring and paying off in the step 1), wherein the infrared positioner is only required to be aligned to the center position of the cross line obtained by measuring and paying off;
4) leveling a mould: after the leveling device is fixed at the central position, leveling the die by adopting horizontal adjusting feet and universal horizontal bubbles which are arranged at four corners;
5) fixing foundation bolts: respectively fixing a plurality of foundation bolts needing to be constructed in the step 2) in the bound reinforcement cage;
6) dismantling the mold: loosening the fixing piece in the step 2), and then dismantling the foundation bolt mounting die from bottom to top;
the construction method comprises the step 2) which can be carried out after the step 3) or the step 4), and the specific construction steps can be automatically adjusted according to the actual construction conditions on site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320182.2A CN112376606A (en) | 2020-11-23 | 2020-11-23 | Equipment foundation bolt mounting die and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320182.2A CN112376606A (en) | 2020-11-23 | 2020-11-23 | Equipment foundation bolt mounting die and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112376606A true CN112376606A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011320182.2A Withdrawn CN112376606A (en) | 2020-11-23 | 2020-11-23 | Equipment foundation bolt mounting die and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112376606A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216658A (en) * | 2021-06-08 | 2021-08-06 | 中国二十二冶集团有限公司 | Horizontal and vertical positioning device for foundation bolt |
| CN113565210A (en) * | 2021-08-13 | 2021-10-29 | 中铁西北科学研究院有限公司 | Assembly type foundation bolt positioning device and construction method |
| CN113565125A (en) * | 2021-09-01 | 2021-10-29 | 上海电力设计院有限公司 | Foundation bolt positioning device suitable for power transmission tower |
| CN113898193A (en) * | 2021-10-28 | 2022-01-07 | 中国二十二冶集团有限公司 | Installation construction method for bolts in platform beam plate |
| CN113914640A (en) * | 2021-09-29 | 2022-01-11 | 中国一冶集团有限公司 | Device for installing foundation bolt embedded part and construction method |
| CN114032782A (en) * | 2021-12-02 | 2022-02-11 | 中铁一局集团有限公司 | Pier column reinforcement construction work platform and method |
| CN114182581A (en) * | 2021-12-27 | 2022-03-15 | 中铁二局集团有限公司 | Accurate positioning die for reserved bolt hole and positioning method thereof |
| CN114541466A (en) * | 2021-12-10 | 2022-05-27 | 中建安装集团有限公司 | Implementation method of embedded die for foundation bolt of air-heated gasifier |
| CN114777705A (en) * | 2022-05-10 | 2022-07-22 | 中国核工业华兴建设有限公司 | Nuclear power safety injection water tank foundation bolt installation measurement inspection method |
| CN115464605A (en) * | 2022-09-15 | 2022-12-13 | 中国建筑第八工程局有限公司 | Equipment foundation bolt crowd integral positioning device |
-
2020
- 2020-11-23 CN CN202011320182.2A patent/CN112376606A/en not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216658A (en) * | 2021-06-08 | 2021-08-06 | 中国二十二冶集团有限公司 | Horizontal and vertical positioning device for foundation bolt |
| CN113216658B (en) * | 2021-06-08 | 2024-05-03 | 中国二十二冶集团有限公司 | Horizontal and vertical positioning device for foundation bolt |
| CN113565210A (en) * | 2021-08-13 | 2021-10-29 | 中铁西北科学研究院有限公司 | Assembly type foundation bolt positioning device and construction method |
| CN113565125A (en) * | 2021-09-01 | 2021-10-29 | 上海电力设计院有限公司 | Foundation bolt positioning device suitable for power transmission tower |
| CN113914640A (en) * | 2021-09-29 | 2022-01-11 | 中国一冶集团有限公司 | Device for installing foundation bolt embedded part and construction method |
| CN113898193A (en) * | 2021-10-28 | 2022-01-07 | 中国二十二冶集团有限公司 | Installation construction method for bolts in platform beam plate |
| CN114032782A (en) * | 2021-12-02 | 2022-02-11 | 中铁一局集团有限公司 | Pier column reinforcement construction work platform and method |
| CN114541466A (en) * | 2021-12-10 | 2022-05-27 | 中建安装集团有限公司 | Implementation method of embedded die for foundation bolt of air-heated gasifier |
| CN114182581A (en) * | 2021-12-27 | 2022-03-15 | 中铁二局集团有限公司 | Accurate positioning die for reserved bolt hole and positioning method thereof |
| CN114777705A (en) * | 2022-05-10 | 2022-07-22 | 中国核工业华兴建设有限公司 | Nuclear power safety injection water tank foundation bolt installation measurement inspection method |
| CN114777705B (en) * | 2022-05-10 | 2023-09-05 | 中国核工业华兴建设有限公司 | Nuclear power plant water injection tank foundation bolt installation, measurement and inspection method |
| CN115464605A (en) * | 2022-09-15 | 2022-12-13 | 中国建筑第八工程局有限公司 | Equipment foundation bolt crowd integral positioning device |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |
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| WW01 | Invention patent application withdrawn after publication |