CN107288152B - Tool for mounting precision equipment and construction method thereof - Google Patents
Tool for mounting precision equipment and construction method thereof Download PDFInfo
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- CN107288152B CN107288152B CN201710711589.XA CN201710711589A CN107288152B CN 107288152 B CN107288152 B CN 107288152B CN 201710711589 A CN201710711589 A CN 201710711589A CN 107288152 B CN107288152 B CN 107288152B
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- sizing block
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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Abstract
The invention discloses a tool for installing precision equipment, which comprises a base and a sizing block, wherein a groove is formed in the upper surface of the base, a rectangular supporting frame is fixedly arranged in the groove, supporting rods are respectively and fixedly connected to four corners of the supporting frame in a vertical manner, an adjusting component which can move up and down along the supporting rods and is fixed is arranged on each supporting rod, the four corners of the sizing block are respectively and fixedly connected with an adjusting component, and the sizing block is adjusted to be horizontal through the adjusting components; and a pouring template is arranged on the upper surface of the foundation base around the periphery of the groove, and an internal area surrounded by the pouring template is filled with non-shrinkable slurry in a grouting manner. The invention can finely adjust the sizing block with high precision, and controls the elevation error and levelness of the sizing block to be an ideal level, which is much higher than the precision of any existing construction method. The whole tool structure and the construction method do not need a lot of grinding operations, time and labor are saved, the construction period is short, the cost is low, and the harm to the body of a worker is reduced.
Description
Technical Field
The invention belongs to the equipment installation technology, and particularly relates to a tool for installing precision equipment and a construction method thereof.
Background
In precision equipment such as steam turbines, steam blowers, generators, compressors, etc., the vibration value is one of the most important parameters affecting the long-term stable operation of these precision equipment. In the process of installing the precision equipment, the quality of the installation precision of the sizing block is the most important link and the foundation stone in the installation of the precision equipment.
In the installation process of the sizing block of the precision equipment, in order to ensure that the technical indexes of the position of the sizing block relative to the longitudinal and transverse central lines of a unit, the elevation, the levelness, the parallelism and the like of the sizing block are within the specified range, the operations of paying off, grinding a base, respectively processing the flat sizing blocks with different thicknesses, grinding the upper surface and the lower surface of the flat sizing block, grinding the inclined sizing block and the like are frequently required. In general, the aim is to ensure that the position of the foundation base where the sizing block needs to be placed and the sizing block have the largest contact area after installation, and the elevation and the levelness of the sizing block can be ensured as much as possible. However, the traditional construction method has the following defects:
1. the red lead is coated on the sizing block every grinding to check whether the contact surface of the sizing block and the foundation reaches the standard, the levelness of the sizing block in the longitudinal and transverse directions is checked by a level meter, and the clearance between the sizing block and the foundation is checked by a feeler gauge. The steps need to be repeated, the obtained longitudinal and transverse levelness can reach 0.1mm/m at most, the contact surface between the sizing block and the foundation reaches 75% -80% at most, and the assembly precision is difficult to guarantee.
2. During grinding, workers can suck a large amount of cement dust, and certain influence can be caused on the health of people. The labor intensity of workers is high, and time and labor are wasted.
3. The traditional construction method needs to ensure the roughness and the parallelism of the upper surface and the lower surface of the sizing block, and has high processing difficulty. The thickness of the cushion plate can reach dozens of specifications, the processing period is long, and the processing cost is high.
Moreover, the contact surface of the processed flat sizing block has deviation compared with the contact surface of a standard sizing block, the foundation base needs to be ground for the second time on site, and the whole construction period is long.
4. When the ground base elevation is repeatedly measured, if the elevation of the foundation is lower than the designed elevation, the thickness of the sizing block group is larger than 120mm (the total height of the sizing block group is generally controlled within the range of 50-80 mm), the ultrahigh thickness of the sizing block group does not meet the standard acceptance requirement, and the stability of the unit is adversely affected. Therefore, the foundation base must be reworked, which not only increases the construction cost, but also affects the construction period.
In summary, the conventional tool and method are time-consuming and labor-consuming, the installation accuracy is difficult to guarantee, and once the grinding is excessive and the grinding needs to be reworked, the tool and the method are clumsy.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a tool and a construction method thereof, which can enable the sizing block to be more accurately installed and save time and labor in installation.
The technical scheme for solving the problems is as follows: a tool for mounting precision equipment comprises a base and a sizing block, wherein a groove is formed in the upper surface of the base, a rectangular supporting frame is fixedly arranged in the groove, supporting rods are respectively and fixedly connected to four corners of the supporting frame in a vertical mode, an adjusting assembly capable of moving up and down along the supporting rods and being fixed is arranged on each supporting rod, the four corners of the sizing block are respectively and fixedly connected with an adjusting assembly, and the sizing block is adjusted to be horizontal through the adjusting assemblies;
and a pouring template is arranged on the upper surface of the foundation base around the periphery of the groove, and the inner area surrounded by the pouring template is filled with non-shrinkable slurry in a grouting manner.
According to the tooling with the scheme, the lower surface of the sizing block does not have the horizontal requirement, the adjusting component can be used for accurately finely adjusting the sizing block, the elevation error and the levelness are controlled at the ideal level, and time and labor are saved.
Specifically, the supporting rod is a stud, the adjusting assembly comprises a supporting piece sleeved on the supporting rod, and a first nut and a second nut which are matched with the stud and respectively arranged on the upper surface and the lower surface of the supporting piece, and the supporting piece is perpendicular to the axis of the supporting rod;
and four corners of the sizing block are respectively fixedly connected with the supporting sheets.
Preferably, the groove is rectangular, the length of the groove is 60-80 mm larger than that of the sizing block, the width of the groove is 60-80 mm larger than that of the sizing block, and the depth of the groove is not less than 30mm.
Preferably, the height of the pouring template is not less than 50mm.
The non-shrinkage slurry is CH-60 type high-strength slurry.
Correspondingly, the invention also provides a construction method of the tool, which comprises the following steps:
(a) Marking the longitudinal and transverse center lines of all the sizing blocks and the sizing outline of the sizing blocks according to the marked longitudinal and transverse center lines of the unit and the sizing block layout drawing, and chiseling a groove on a basic base on which the sizing blocks are required to be arranged according to the marking;
(b) Manufacturing a rectangular supporting frame according to the actual size of each sizing block, fixedly connecting the supporting rod with the supporting frame, fixing the supporting frame in the groove, and fixedly connecting the sizing blocks with the adjusting assembly;
(c) The infrared level gauge is used for assisting in aligning the position of the sizing block, then the sizing block is preliminarily leveled by the level gauge and a ruler according to the size of the designed elevation, the elevation is controlled within 0.50mm deviation, the levelness is controlled within 0.20mm/m, and the leveling and the aligning work need to be carried out simultaneously until the requirements are met;
(d) Placing a frame type level gauge on the upper surface of the sizing block for accurate leveling, simultaneously controlling the elevation and the alignment by using the level gauge and the straight ruler 3 together, adjusting the position of an adjusting component on a supporting rod, controlling the error of the elevation within 0.3mm and controlling the levelness within 0.04 mm/m;
(e) And after the sizing block is adjusted, cleaning the roughened foundation base, then manufacturing a pouring template, grouting in a space surrounded by the pouring template, and installing precision equipment after final setting and curing.
Further, the base is made of reinforced concrete, in the step (a), when grooves are cut, the steel bars cut into the base are exposed, the grooves are rectangular, the length of each groove is 60-80 mm larger than that of the sizing block, the width of each groove is 60-80 mm larger than that of the sizing block, and the depth of each groove is not smaller than 30mm.
Further, in the step (b), the support rod is a stud, the adjusting assembly comprises a support sheet sleeved on the support rod, and a first nut and a second nut which are matched with the stud and respectively arranged on the upper surface and the lower surface of the support sheet, the support sheet is perpendicular to the axis of the support rod, and four corners of the sizing block are respectively welded with the support sheet;
the rectangular supporting frame is formed by sequentially welding the head and the tail of a reinforcing steel bar, and four corners of the supporting frame are welded and fixed with the exposed reinforcing steel bar in the groove.
Further, in the step (e), the height of the pouring template is not less than 50mm, the template is firm, and all gaps need to be sealed so as to avoid leakage of grouting material.
Further, in the step (e), CH-60 type high-strength slurry is adopted for grouting, and before grouting, water is sprayed on the surface of the foundation base to keep a wet state, but water cannot be accumulated on the surface;
and (3) immediately trowelling and press polishing after grouting, wherein the sizing block and a grouting layer cannot vibrate or collide within two hours, and heat preservation and maintenance are carried out after final setting, the maintenance temperature is higher than 5 degrees, and the maintenance period is longer than 3 days.
The invention has the following remarkable effects:
1. the high-precision fine adjustment can be carried out on the sizing block, the elevation error and the levelness of the sizing block are controlled to be an ideal level, and the precision is much higher than that of any existing construction method.
2. The whole tool structure and the construction method do not need a lot of grinding operations, time and labor are saved, the construction period is short, the cost is low, and the harm to the body of a worker is reduced.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a front view of the inventive tooling.
Fig. 2 is a top view of the inventive tooling (the sizing block is not shown).
In the figure: 1-infrared level; 2-frame level meter; 3, a ruler; 4, sizing block; 5-an adjusting component; 6, pouring a template; 7-no-shrinkage sizing agent; 8-a base foundation; 9-a level gauge; 10-a support frame; 11-a support bar; 12-a groove; 51-a support sheet; 52-a first nut; 53-second nut.
Detailed Description
As shown in fig. 1-2, a tool for mounting precision equipment comprises a base 8 and a sizing block 4, wherein a rectangular groove 12 is formed in the upper surface of the base 8. The length of the groove 12 is 60-80 mm larger than that of the sizing block 4, the width of the groove 12 is 60-80 mm larger than that of the sizing block 4, and the depth of the groove 12 is not less than 30mm.
A rectangular support frame 10 is fixedly arranged in the recess 12. Support rods 11 are vertically and fixedly connected to four corners of the support frame 10. An adjusting component 5 which can move up and down along the supporting rod 11 and is fixed is arranged on each heel supporting rod 11.
The support rod 11 is a stud. The adjusting assembly 5 comprises a supporting sheet 51 sleeved on the supporting rod 11, and a first nut 52 and a second nut 53 which are matched with the stud and respectively arranged on the upper surface and the lower surface of the supporting sheet 51, wherein the supporting sheet 51 is perpendicular to the axis of the supporting rod 11. Four corners of the sizing block 4 are respectively fixedly connected with the supporting sheets 51, and the sizing block 4 is adjusted to be horizontal through the adjusting component 5.
And a pouring template 6 is arranged on the upper surface of the foundation base 8 around the periphery of the groove 12, and the height of the pouring template 6 is not less than 50mm. The inner area surrounded by the pouring template 6 is filled with CH-60 type non-shrinkable slurry 7.
Correspondingly, the embodiment further provides a construction method of the tool, which is characterized by comprising the following steps:
(a) Marking the longitudinal and transverse center lines of all the sizing blocks 4 and the outer frame lines of the sizing blocks 4 according to the marked longitudinal and transverse center lines of the unit and the sizing block layout drawing, and chiseling grooves on the reinforced concrete foundation base 8 on which the sizing blocks 4 are required to be arranged according to the marks. When the groove 12 is cut, the reinforcing steel bar portion cut into the foundation bed is exposed. The length of the groove 12 is 60-80 mm larger than that of the sizing block 4, the width of the groove 12 is 60-80 mm larger than that of the sizing block 4, and the depth of the groove 12 is not less than 30mm.
(b) According to the actual size of each sizing block 4, a rectangular supporting frame 10 is manufactured, and the rectangular supporting frame 10 is formed by sequentially welding reinforcing steel bars end to end. And fixedly connecting the support bar 11 with the support frame 10, and then welding and fixing four corners of the support frame 10 with the exposed steel bars in the grooves 12. The sizing block 4 is fixedly connected with the adjusting component 5.
(c) The infrared level meter 1 is used for assisting in aligning the position of the sizing block 4, then the leveling block 4 is preliminarily leveled by the leveling meter 9 and the ruler 3 according to the designed elevation size, the elevation is controlled within 0.50mm deviation, the levelness is controlled within 0.20mm/m, and the leveling and aligning work needs to be carried out simultaneously until the leveling and aligning work meets the requirements;
(d) Placing a frame type level 2 on the upper surface of a sizing block 4 for accurate leveling, simultaneously controlling the elevation by using a level 9 and a ruler 3 together, aligning by using an infrared level 1, adjusting the position of an adjusting component 5 on a supporting rod 11, controlling the error of the elevation within 0.3mm and controlling the levelness within 0.04 mm/m;
(e) After the sizing block 4 is adjusted, the roughened base 8 is cleaned, then the pouring template 6 is manufactured, the pouring template 6 is firm, and all gaps are sealed to avoid leakage of grouting materials. And C, grouting by adopting CH-60 type high-strength slurry in a space surrounded by the pouring template 6, and sprinkling water on the surface of the foundation base 8 before grouting to keep a wet state, wherein water cannot be accumulated on the surface.
And (3) immediately trowelling and press polishing after grouting, wherein the sizing block 4 and a grouting layer cannot vibrate or collide within two hours, heat preservation and maintenance are carried out after final setting, the maintenance temperature is higher than 5 degrees, the maintenance period is longer than 3 days, and then precision equipment can be installed.
Claims (9)
1. The utility model provides an installation precision equipment's frock, includes basic base (8) and parallels (4), its characterized in that: the upper surface of a base (8) is provided with a groove (12), a rectangular supporting frame (10) is fixedly arranged in the groove (12), four corners of the supporting frame (10) are respectively and vertically and fixedly connected with supporting rods (11), each supporting rod (11) is provided with an adjusting component (5) which can move up and down along the supporting rod (11) and be fixed, four corners of a sizing block (4) are respectively and fixedly connected with the adjusting components (5), and the sizing block (4) is adjusted to be horizontal through the adjusting components (5); a part of exposed steel bars are arranged in the foundation base (8), and four corners of the supporting frame (10) are fixed with the exposed steel bars in the grooves (10);
pouring templates (6) are arranged on the upper surface of the foundation base (8) around the grooves (12), and the inner area surrounded by the pouring templates (6) is filled with non-shrinkable slurry (7) in a grouting manner; the non-shrinkable slurry (7) is CH-60 type high-strength slurry.
2. The tool for mounting precision equipment according to claim 1, wherein: the support rod (11) is a stud, the adjusting assembly (5) comprises a support sheet (51) sleeved on the support rod (11), and a first nut (52) and a second nut (53) which are matched with the stud and respectively arranged on the upper surface and the lower surface of the support sheet (51), and the support sheet (51) is perpendicular to the axis of the support rod (11);
four corners of the sizing block (4) are respectively fixedly connected with the supporting sheets (51).
3. The tool for installing the precision equipment according to claim 1, wherein: the groove (12) is rectangular, the length of the groove (12) is 60-80 mm larger than that of the sizing block (4), the width of the groove (12) is 60-80 mm larger than that of the sizing block (4), and the depth of the groove (12) is not less than 30mm.
4. The tool for installing the precision equipment according to claim 1, wherein: the height of the pouring template (6) is not less than 50mm.
5. A construction method of a tool for mounting precision equipment according to claim 1, characterized by comprising the steps of:
(a) Marking the longitudinal and transverse center lines of all the sizing blocks (4) and the outer frame lines of the sizing blocks (4) according to the marked longitudinal and transverse center lines of the unit and the sizing block layout drawing, and chiseling grooves on a basic base (8) on which the sizing blocks (4) are required to be arranged according to the marks;
(b) According to the actual size of each sizing block (4), a rectangular supporting frame (10) is manufactured, a supporting rod (11) is fixedly connected with the supporting frame (10), then the supporting frame (10) is fixed in a groove (12), and the sizing blocks (4) are fixedly connected with an adjusting assembly (5);
(c) The infrared level gauge (1) is used for assisting in aligning the position of the sizing block (4), then the sizing block (4) is preliminarily leveled by the leveling gauge (9) and the ruler (3) in a matched mode according to the size of the designed elevation, the elevation is controlled within 0.50mm deviation, the levelness is controlled within 0.20mm/m, and the leveling and aligning work needs to be carried out simultaneously until the leveling and aligning work meets the requirements;
(d) Placing a frame type level gauge (2) on the upper surface of a sizing block (4) for accurate leveling, simultaneously controlling the elevation by using a level gauge (9) and a ruler (3), aligning by using an infrared level gauge (1), adjusting the position of an adjusting component (5) on a supporting rod (11), controlling the error of the elevation within 0.3mm, and controlling the levelness within 0.04 mm/m;
(e) After the sizing block (4) is adjusted, the roughened foundation base (8) is cleaned, then a pouring template (6) is manufactured, grouting is carried out in the space surrounded by the pouring template (6), and precision equipment can be installed after final setting and maintenance.
6. The construction method according to claim 5, wherein: the base (8) is made of reinforced concrete, in the step (a), when the grooves (12) are drilled, the steel bar portions drilled into the base are exposed, the grooves (12) are rectangular, the length of the grooves (12) is 60-80 mm larger than that of the sizing block (4), the width of the grooves (12) is 60-80 mm larger than that of the sizing block (4), and the depth of the grooves (12) is not smaller than 30mm.
7. The construction method according to claim 6, wherein: in the step (b), the supporting rod (11) is a stud, the adjusting assembly (5) comprises a supporting sheet (51) sleeved on the supporting rod (11), and a first nut (52) and a second nut (53) which are matched with the stud and respectively arranged on the upper surface and the lower surface of the supporting sheet (51), the supporting sheet (51) is perpendicular to the axis of the supporting rod (11), and four corners of the sizing block (4) are respectively welded with the supporting sheet (51);
rectangular support frame (10) adopt reinforcing bar head and the tail to weld in proper order and form, exposed reinforcing bar welded fastening in support frame (10) four corners and recess (12).
8. The construction method according to claim 5, wherein: in the step (e), the height of the pouring template (6) is not less than 50mm, the template is firm, and all gaps need to be sealed so as to avoid leakage of grouting material.
9. The construction method according to claim 5, wherein: in the step (e), CH-60 type high-strength slurry is adopted for grouting, and before grouting, water is sprayed on the surface of the foundation base (8) to keep a wet state, but no water can be accumulated on the surface;
and (3) immediately flattening and press polishing after grouting, wherein the sizing block (4) and a grouting layer cannot vibrate or collide within two hours, and heat preservation and maintenance are carried out after final setting, the maintenance temperature is higher than 5 degrees, and the maintenance period is longer than 3 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711589.XA CN107288152B (en) | 2017-08-18 | 2017-08-18 | Tool for mounting precision equipment and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711589.XA CN107288152B (en) | 2017-08-18 | 2017-08-18 | Tool for mounting precision equipment and construction method thereof |
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| CN107288152A CN107288152A (en) | 2017-10-24 |
| CN107288152B true CN107288152B (en) | 2022-11-22 |
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| CN201710711589.XA Active CN107288152B (en) | 2017-08-18 | 2017-08-18 | Tool for mounting precision equipment and construction method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958148A (en) * | 2019-03-27 | 2019-07-02 | 中国化学工程第三建设有限公司 | The levelling method of cold box foundation bottom plate centering |
| CN110258617A (en) * | 2019-06-24 | 2019-09-20 | 中国二十二冶集团有限公司 | Equipment parallels precision grout construction method |
| CN110328751A (en) * | 2019-06-29 | 2019-10-15 | 上海二十冶建设有限公司 | A kind of production method of rolling stand slurry parallels |
| CN112127459B (en) * | 2020-09-25 | 2021-10-15 | 北京市第三建筑工程有限公司 | Support structure, large-load trench cover plate structure and construction method |
| CN112431286A (en) * | 2020-11-10 | 2021-03-02 | 新疆维泰开发建设（集团）股份有限公司 | Construction method for integrally pouring concrete in inspection well |
| CN114658027B (en) * | 2022-04-01 | 2023-11-10 | 中和华丰建设集团有限公司 | Construction method of standard frame, pouring template and foundation of chemical factory building equipment |
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| WO2012081660A1 (en) * | 2010-12-15 | 2012-06-21 | 株式会社丸高工業 | Mounting base |
| CN103883845A (en) * | 2012-12-21 | 2014-06-25 | 中建四局安装工程有限公司 | Method and pad iron assembly for adjusting elevation of flat pad iron by aid of three bolt reinforcements |
| CN104989918A (en) * | 2015-05-21 | 2015-10-21 | 中冶天工集团有限公司 | Method for arranging large-area foundation sizing block |
| CN205088703U (en) * | 2015-10-20 | 2016-03-16 | 中国华冶科工集团有限公司 | Seat thick liquid parallels leveling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE664667A (en) * | 1964-05-28 | 1965-09-16 | ||
| CN102032422A (en) * | 2010-11-30 | 2011-04-27 | 攀钢集团冶金工程技术有限公司 | Method for levelling and mounting base of mechanical equipment |
| WO2012081660A1 (en) * | 2010-12-15 | 2012-06-21 | 株式会社丸高工業 | Mounting base |
| CN103883845A (en) * | 2012-12-21 | 2014-06-25 | 中建四局安装工程有限公司 | Method and pad iron assembly for adjusting elevation of flat pad iron by aid of three bolt reinforcements |
| CN104989918A (en) * | 2015-05-21 | 2015-10-21 | 中冶天工集团有限公司 | Method for arranging large-area foundation sizing block |
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| CN107288152A (en) | 2017-10-24 |
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