CN212375900U - Large-scale equipment mounting base location steel sheet bearing structure - Google Patents
Large-scale equipment mounting base location steel sheet bearing structure Download PDFInfo
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- CN212375900U CN212375900U CN202020837228.7U CN202020837228U CN212375900U CN 212375900 U CN212375900 U CN 212375900U CN 202020837228 U CN202020837228 U CN 202020837228U CN 212375900 U CN212375900 U CN 212375900U
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Abstract
A large-scale equipment mounting base positioning steel plate supporting structure comprises a reinforced concrete base, a supporting steel frame and a positioning steel plate; the reinforced concrete base is provided with a pre-buried hole; the supporting steel frame comprises vertical supporting angle steel and a transverse supporting channel steel, the vertical supporting angle steel is vertically and fixedly arranged along the edge of the reinforced concrete base around the embedded hole, the transverse supporting channel steel is horizontally lapped on the embedded rib of the reinforced concrete base along the embedded hole, and two ends of the transverse supporting channel steel are respectively and fixedly connected with the vertical supporting angle steel; the positioning steel plate is horizontally overlapped on the transverse supporting channel steel of the supporting steel frame, and foundation bolts on the positioning steel plate vertically penetrate into the pre-buried holes of the reinforced concrete base; has the advantages that: the supporting is stable, the construction difficulty is reduced, the installation precision of the foundation bolt is improved, and the secondary construction treatment cost caused by bolt positioning errors is effectively avoided.
Description
Technical Field
The utility model particularly relates to a base location steel sheet bearing structure for concreting base setting when installing main equipment installation.
Background
The large-scale equipment is fixedly installed by arranging foundation bolts integrated with the concrete base on the concrete base, and the equipment base is fixedly installed on the concrete base through the foundation bolts. Traditional concrete base lower margin construction reserves lower margin hole when concrete base pours, then treats that the base solidifies the back, puts into with rag bolt and reserves lower margin hole and carry out the secondary grout, treats that the maintenance intensity is after up to standard carrying out the equipment fixing. Because the foundation bolt positioning requires high precision, the normal installation and debugging of various devices are directly influenced once larger deviation is generated in the embedding of individual bolts, the treatment cost is high, the difficulty is high, and the consumed time is long.
In order to overcome the problems, the existing construction method is that after the foundation bolt is positioned and fixed, equipment is firstly installed and fixed, if the foundation bolt is positioned and has deviation, the equipment can be adjusted in time, and after the equipment is installed and fixed, secondary grouting is carried out to connect the foundation bolt and the concrete base into a whole. The method not only avoids the problem of inaccurate positioning of the traditional foundation bolt, thereby avoiding rework caused by errors, saving construction cost, but also can debug equipment during concrete curing, and improving construction progress. But above-mentioned construction methods has a new defect, and traditional rag bolt supporting structure of pouring has the problem that support intensity is not enough after having fixed equipment in the installation, and equipment base roughness can't be guaranteed to because the hindrance of equipment, the runner can't satisfy the demand of pouring during the secondary is in milk. Therefore, a reliable foundation support structure must be adopted using the above construction method.
Disclosure of Invention
The utility model aims at solving the above-mentioned earlier fixed then the secondary of carrying on equipment fixing of foundation bolt installation of pouring and not firmly not good problem of pouring, provide a main equipment fixing base location steel sheet bearing structure suitable for above-mentioned construction method.
In order to realize the purpose, the utility model discloses the technical scheme who adopts reserves the secondary at reinforced concrete base top and pours the position, and the cooperation is buried the hole in advance and is set up the support steelframe, sets up installation location steel sheet through the support steelframe, and rag bolt sets up and installs on location steel sheet, and support stability and easy adjustability when improving equipment fixing through above-mentioned structure then carry out the secondary and pour and become an organic whole with reinforced concrete base again.
The utility model discloses a large-scale equipment mounting base positioning steel plate supporting structure, which comprises a reinforced concrete base, a supporting steel frame and a positioning steel plate; a certain distance is reserved to the elevation of the top of the foundation when the reinforced concrete base is poured, the embedded ribs in the reinforced concrete base extend out to the elevation of the top of the foundation, and the reinforced concrete base is provided with embedded holes; the supporting steel frame comprises vertical supporting angle steel and a transverse supporting channel steel, the vertical supporting angle steel is vertically and fixedly arranged along the edge of the reinforced concrete base around the embedded hole, the transverse supporting channel steel is horizontally lapped on the embedded rib of the reinforced concrete base along the embedded hole, and two ends of the transverse supporting channel steel are respectively and fixedly connected with the vertical supporting angle steel; the positioning steel plate is horizontally arranged on the transverse supporting channel steel of the supporting steel frame in an overlapping mode, and foundation bolts on the positioning steel plate vertically penetrate into the pre-buried holes of the reinforced concrete base.
And the distance between the reinforced concrete base and the top elevation of the foundation is reserved for 100 mm.
The support steelframe's horizontal support channel-section steel parallel arrangement has two at least, and two vertical support angle steel are configured respectively to the both ends of every horizontal support channel-section steel, and two vertical support angle steel are along horizontal support channel-section steel both sides respectively with horizontal support channel-section steel welded fastening.
And the vertical support angle steel is welded and fixed with the embedded rib on the reinforced concrete base.
The upper surface of location steel sheet sets up along basic top elevation, and rag bolt sets up with the upper surface vertical of location steel sheet.
The flatness of the plane formed by the transverse supporting channel steel is less than or equal to 0.25 mm.
The verticality of the foundation bolt is not more than 1/100.
The beneficial effects of the utility model reside in that: the support is stable, and secondary pouring is not influenced; the construction difficulty is reduced, the mounting precision of the foundation bolt is improved, and the secondary construction treatment cost caused by bolt positioning errors is effectively avoided; the equipment debugging can be carried out in advance by unequal secondary pouring maintenance up to standard, the construction period is effectively shortened, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a reinforced concrete base of the present invention;
FIG. 2 is a schematic view of the mounting structure of the supporting steel frame of the present invention;
FIG. 3 is a schematic view of the positioning steel plate mounting structure of the present invention;
FIG. 4 is a schematic view of the secondary casting structure of the present invention;
in the drawings: the steel reinforced concrete foundation comprises a reinforced concrete base 1, embedded ribs 11, embedded holes 12, a supporting steel frame 2, vertical supporting angle steel 21, transverse supporting channel steel 22, a positioning steel plate 3, foundation bolts 31, an equipment base connecting piece 4 and an equipment base 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail with reference to the embodiments.
Example 1
As shown in the attached drawings 1-3, the positioning steel plate supporting structure of the large-scale equipment mounting base of the utility model comprises a reinforced concrete base 1, a supporting steel frame 2 and a positioning steel plate 3; a certain distance is reserved to the elevation of the top of the foundation when the reinforced concrete base 1 is poured, the embedded ribs 11 in the reinforced concrete base 1 extend out to the elevation of the top of the foundation, and the reinforced concrete base 1 is provided with embedded holes 12; the supporting steel frame 2 comprises vertical supporting angle steel 21 and transverse supporting channel steel 22, the vertical supporting angle steel 21 is vertically and fixedly arranged along the edge of the reinforced concrete base 1 around the embedded hole 12, the transverse supporting channel steel 22 is horizontally erected on an embedded rib 11 of the reinforced concrete base 1 along the embedded hole 12, and two ends of the transverse supporting channel steel 22 are respectively and fixedly connected with the vertical supporting angle steel 21; the positioning steel plate 3 is horizontally erected on the transverse supporting channel steel 22 of the supporting steel frame 2, and the foundation bolts 31 on the positioning steel plate 3 vertically penetrate into the embedded holes 12 of the reinforced concrete base 1.
The reinforced concrete base 1 is reserved 100mm away from the top elevation of the foundation.
The transverse supporting channel steel 22 of the supporting steel frame 2 is at least provided with two transverse supporting channel steel 21 in parallel, two ends of each transverse supporting channel steel 22 are respectively provided with two vertical supporting angle steel 21, and the two vertical supporting angle steel 21 are respectively welded and fixed with the transverse supporting channel steel 22 along two sides of the transverse supporting channel steel 22.
The vertical support angle steel 21 is welded and fixed with the embedded rib 11 on the reinforced concrete base 1.
The upper surface of location steel sheet 3 sets up along basic top elevation, and rag bolt 31 sets up with the upper surface vertical of location steel sheet 3.
The flatness of the plane formed by the transverse supporting channel steel 22 is less than or equal to 0.25 mm.
The perpendicularity of the anchor bolt 31 is not greater than 1/100.
Example 2
A construction method for installing and fixing large-scale equipment comprises the following steps:
1. pouring of reinforced concrete base 1 (as shown in figure 1)
1) And arranging a concrete pouring template according to the reinforced concrete base 1, erecting the template to a position 100mm below the designed foundation top standard height, and pouring to expose the reinforcing steel bars at the position.
2) Chiseling the foundation surface of the grouting part into a pitted surface before equipment installation, wherein 3-5 pitts are preferably arranged in an area of 100 multiplied by 100 mm; or roughening the surface of the base concrete during initial setting.
2. Preparation for construction (as shown in figure 2)
1) Cleaning the pre-buried holes 12 and leveling the surface of the foundation.
2) Measure rag bolt 31's installation elevation, preparation location steel sheet 3 to according to basic cross sectional dimension cutting vertical support angle steel 21 and horizontal support channel-section steel 22, the preparation supports steelframe 2 (notice the channel-section steel and should slightly be short in cross sectional dimension, leak the concrete surface after preventing to pour).
3) The positioning steel plate 3 is manufactured according to design requirements, the drill bit is used for drilling the mounting holes of the foundation bolts 31, the positions and the intervals of the mounting holes are strictly controlled, and anchor bars are welded.
3. Positioning pay-off (as shown in figure 3)
And positioning and paying off the mounting position of the foundation bolt 31 by using a theodolite, drawing a positioning line on the positioning steel plate 3, and measuring the mounting elevations of the positioning steel plate 3 and the foundation bolt 31.
4. Foundation bolt 31 (as shown in figure 3)
1) Before the positioning steel plate 3 is installed, the specification, the number, the size and the welding quality of the positioning steel plate 3 and the anchoring steel bar are checked.
2) According to the good position and the elevation of location unwrapping wire, 2 arms of support steelframe that will cut are on the stirrup of the embedded muscle 11 that exposes, adjustment elevation and levelness, it is fixed with the stirrup with indulging the muscle spot welding after the adjustment, strengthen the support under horizontal support channel-section steel 22 with the welding of vertical support angle steel 21, vertical support angle steel 21 welds as the pre-buried muscle that stand and basis spilt 11, horizontal support channel-section steel 22 welds with vertical support angle steel 21 as the roof beam and the simple and easy support, 3 arms of positioning steel board are on the well-welded channel-section steel, the elevation and the location of 3 positioning steel boards of retest.
3) The foundation bolt 31 is installed on the fixed positioning steel plate 3, the bolt and the nut must be processed in a matched mode and used in a matched mode, the tightness is proper, and the defects of disordered buckling, thread shortage, cracks and the like are avoided.
5. Equipment installation (as shown in figure 3)
1) The equipment base attachment 4 is mounted (as may be skipped without the base attachment) with the anchor bolts 31 on the positioning steel plate 3.
2) Hoisting equipment, dock equipment foundation base 5 and equipment foundation connecting piece 4, with the bolt fastening (if do not have equipment foundation connecting piece 4, equipment foundation base 5 is direct to be installed with positioning steel plate 3), if there is positioning error this moment, still can finely tune positioning steel plate 3 and the bolt hole matching location of equipment foundation base 5.
6. Secondary grouting (as shown in figure 4)
1) Before grouting, impurities and accumulated water in the embedded hole 12 are removed.
2) And (3) erecting a template, pouring the part of the reinforced concrete base 1 which is not poured to the top together with the embedded hole 12, the arranged support steel frame 2 and the arranged positioning steel plate 3, and flattening the surface after pouring.
3) The grouting material is required to meet the design requirements, when the design is not required, micro-expansion concrete or shrinkage-free cement mortar is adopted for grouting, strict construction technical measures are required to be made during construction, and strict vibration compaction is required in the pouring process.
4) During the transaction, the concrete or mortar test block has to have the test report of the compression resistance and the contractibility.
7. Cleaning acceptance
And after the grouting material is poured, molded and maintained, the template is detached, the template is coated with the anticorrosion paint, and stains on equipment can be checked and accepted after being cleaned.
Claims (7)
1. The utility model provides a large equipment fixing base location steel sheet bearing structure which characterized in that: the steel reinforced concrete support comprises a reinforced concrete base (1), a support steel frame (2) and a positioning steel plate (3); a certain distance is reserved to the elevation of the top of the foundation when the reinforced concrete base (1) is poured, a pre-buried rib (11) in the reinforced concrete base (1) extends out to the elevation of the top of the foundation, and a pre-buried hole (12) is formed in the reinforced concrete base (1); the supporting steel frame (2) comprises vertical supporting angle steel (21) and transverse supporting channel steel (22), the vertical supporting angle steel (21) is vertically and fixedly arranged along the edge of the reinforced concrete base (1) around the embedded hole (12), the transverse supporting channel steel (22) is horizontally erected on an embedded rib (11) of the reinforced concrete base (1) along the embedded hole (12), and two ends of the transverse supporting channel steel (22) are respectively and fixedly connected with the vertical supporting angle steel (21); the positioning steel plate (3) is horizontally erected on a transverse supporting channel steel (22) of the supporting steel frame (2), and foundation bolts (31) on the positioning steel plate (3) vertically penetrate into embedded holes (12) of the reinforced concrete base (1).
2. The large equipment installation base positioning steel plate support structure of claim 1, wherein: the reinforced concrete base (1) is reserved for 100mm from the top elevation of the foundation.
3. The large equipment installation base positioning steel plate support structure of claim 1, wherein: the support steelframe (2) transversely support channel-section steel (22) parallel arrangement at least has two, and two vertical support angle steel (21) are configured respectively at the both ends of every transversely supporting channel-section steel (22), and two vertical support angle steel (21) are along transversely supporting channel-section steel (22) both sides respectively with transversely supporting channel-section steel (22) welded fastening.
4. The large equipment installation base positioning steel plate support structure of claim 1, wherein: the vertical support angle steel (21) is welded and fixed with the embedded rib (11) on the reinforced concrete base (1).
5. The large equipment installation base positioning steel plate support structure of claim 1, wherein: the upper surface of location steel sheet (3) sets up along basic top elevation, and rag bolt (31) set up with the upper surface vertical of location steel sheet (3).
6. The large equipment installation base positioning steel plate support structure of claim 1, wherein: the flatness of the plane formed by the transverse supporting channel steel (22) is less than or equal to 0.25 mm.
7. The large equipment installation base positioning steel plate support structure of claim 1, wherein: the verticality of the foundation bolt (31) is not more than 1/100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837228.7U CN212375900U (en) | 2020-05-19 | 2020-05-19 | Large-scale equipment mounting base location steel sheet bearing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020837228.7U CN212375900U (en) | 2020-05-19 | 2020-05-19 | Large-scale equipment mounting base location steel sheet bearing structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062804A (en) * | 2021-03-26 | 2021-07-02 | 杭州汽轮动力集团有限公司 | Gas turbine base fixing device and fixing device installation method |
| CN113293790A (en) * | 2021-05-28 | 2021-08-24 | 江苏扬建集团有限公司 | Pre-leveling tower foundation and leveling construction method thereof |
| CN114110260A (en) * | 2021-12-08 | 2022-03-01 | 中航天建设工程集团有限公司 | Supporting structure for fixing small-diameter pipeline on roof |
| CN114934541A (en) * | 2022-03-07 | 2022-08-23 | 中国五冶集团有限公司 | Construction method of cup-mouth type rear embedded part |
-
2020
- 2020-05-19 CN CN202020837228.7U patent/CN212375900U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062804A (en) * | 2021-03-26 | 2021-07-02 | 杭州汽轮动力集团有限公司 | Gas turbine base fixing device and fixing device installation method |
| CN113062804B (en) * | 2021-03-26 | 2022-06-28 | 杭州汽轮动力集团有限公司 | Gas turbine base fixing device and fixing device installation method |
| CN113293790A (en) * | 2021-05-28 | 2021-08-24 | 江苏扬建集团有限公司 | Pre-leveling tower foundation and leveling construction method thereof |
| CN114110260A (en) * | 2021-12-08 | 2022-03-01 | 中航天建设工程集团有限公司 | Supporting structure for fixing small-diameter pipeline on roof |
| CN114934541A (en) * | 2022-03-07 | 2022-08-23 | 中国五冶集团有限公司 | Construction method of cup-mouth type rear embedded part |
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