CN215857915U - Lifting and deviation rectifying reinforcing structure for independent foundation of power equipment - Google Patents
Lifting and deviation rectifying reinforcing structure for independent foundation of power equipment Download PDFInfo
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- CN215857915U CN215857915U CN202122045529.3U CN202122045529U CN215857915U CN 215857915 U CN215857915 U CN 215857915U CN 202122045529 U CN202122045529 U CN 202122045529U CN 215857915 U CN215857915 U CN 215857915U
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Abstract
The utility model discloses a lifting, deviation-rectifying and reinforcing structure for an independent foundation of power equipment, which is characterized in that a steel pipe pile and a jack are used for providing reverse load to lift and rectify deviation of an original foundation, the steel pipe pile and the independent foundation are connected to form a stressed whole to act together, and grouting and reinforcing are carried out on a foundation soil body. The construction process is simple, the period is short, and the manufacturing cost is low; the steel pipe pile and the independent foundation act together, so that the bearing capacity and rigidity of the foundation are greatly improved, the lateral extrusion resistance is increased, and the structural stability is ensured; soil around the foundation is grouted and reinforced, so that the bearing capacity of the foundation soil and the capability of resisting water and soil loss are improved; especially, the correction and reinforcement without power failure can be realized for the power equipment which has small settlement and can still run.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a lifting, deviation-rectifying and reinforcing structure for an independent foundation of power equipment.
Background
At present, some traditional transformer substations in the power industry are still in service, the traditional transformer substations adopt an open structure, and power equipment such as a voltage transformer, a current transformer and the like mostly adopt independent foundations. In coastal areas or areas with abundant underground water, the foundation settlement deviation of equipment caused by water and soil loss often occurs, and the operation of electric power facilities and the power supply condition of the areas are greatly influenced. In the prior art, there is the independent foundation to reform transform into cushion cap stake foundation structure, also has the grout to consolidate foundation soil technique, nevertheless is lower to this problem suitability, can't realize the lifting of independent foundation and rectify and consolidate, and all can influence problem equipment foundation and adjacent power equipment operation during the operation, is unfavorable for being under construction in the transformer substation.
This patent carries out the lifting to original independent basis and rectifies to increase the steel-pipe pile in original structural style, use the steel-pipe pile to carry out the slip casting for the passageway to the soil body around the basis simultaneously and consolidate, improve the ground bearing capacity, guarantee superstructure safety and stability, effectively solve the ground bearing capacity not enough with inhomogeneous the subsidence.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a lifting, deviation-rectifying and reinforcing structure for an independent foundation of power equipment, which solves the problems.
The technical scheme adopted by the utility model is as follows: adopt hammering pile sinking to send into the steel-pipe pile into the layer of holding power around original independent basis, original independent basis is provided with "pi" shape panel all around, is connected with original foundation through the mode of bar planting and mechanical connection, recycles hydraulic jack lifting foundation structure in order to produce the purpose of rectifying. The steel pipe pile and the n-shaped plate are welded to form a stressed whole with the original independent foundation. And (4) performing pressure grouting in the steel pipe pile, wherein the steel pipe pile is provided with a grout outlet, and grouting and reinforcing the surrounding soil body.
According to the technical scheme, the lifting and deviation rectifying reinforcing structure for the independent foundation of the power equipment comprises the independent foundation, four steel pipes and four n-shaped plates, an upper column is arranged at the top of the independent foundation and connected with the power equipment, the four n-shaped plates are fixed on the side face of the independent foundation, one steel pipe is placed in each n-shaped plate, the steel pipes are connected with the n-shaped plates through welding after deviation rectifying is completed, a hydraulic jack is arranged at the upper end of each steel pipe, and a U-shaped plate is installed on each n-shaped plate.
Further drilling holes around the independent foundation are provided with embedded bars, the other end of each embedded bar is provided with a thread, and a nut is arranged on the thread of each embedded bar.
Further, the n-shaped plates are fixed on the side surfaces of the independent foundation by nuts in the bar planting.
Furthermore, after the hydraulic jack operates, the steel pipe, the hydraulic jack and the U-shaped plate provide reverse load to lift and correct the deviation of the original foundation.
Furthermore, the U-shaped plate is provided with a hook clamping groove, so that the U-shaped plate can be conveniently detached from the n-shaped plate, and the n-shaped plate is clamped and does not slide in the loading and lifting process.
Furthermore, the steel pipe is in a segmented form, the whole length of the steel pipe can be controlled, and the steel pipe can be conveniently conveyed into a bearing stratum of the ground.
And further, the joints between the steel pipes are subjected to welding and corrosion prevention treatment.
And a plurality of grout outlets are reserved on the side surface of the steel pipe, and grout in the steel pipe enters the interior of the ground through the grout outlets and is integrated with the ground.
According to the content, the lifting and deviation rectifying reinforcing structure for the independent foundation of the power equipment is used for uneven settlement, lifting and deviation rectification of the independent foundation, and the working principle of the technical scheme is as follows:
firstly, pile sinking needs to be hammered: and (4) conveying the steel pipe into the bearing layer by utilizing simple and small hammering pile equipment around the independent foundation, and observing and recording the hammering number and the penetration index. The steel pipe pile adopts a sectional form, and the pile extension adopts welding and anti-corrosion treatment.
And secondly, lifting and correcting, namely drilling holes on the periphery of the independent foundation to arrange embedded ribs, turning wires at the other end of the embedded ribs, and connecting the n-shaped plates and the independent foundation into a whole through the embedded ribs and nuts. The hydraulic jack reversely applies acting force to the U-shaped plate to drive the n-shaped plate and the integral structure of the independent foundation to slowly and uniformly lift. And (3) simultaneously pressurizing and adjusting four sides of the foundation in the lifting process, setting a uniform elevation surface, and observing in real time through a level gauge, a horizontal laser instrument and the like. After the deviation correcting preset position is reached, the n-shaped plate is connected with the steel pipe in a welding and corrosion prevention treatment mode, so that the independent foundation and the steel pipe form a stressed whole, and then the hydraulic jack and the U-shaped plate are dismounted.
And finally grouting reinforcement: the grouting equipment is adopted to perform grouting reinforcement on soil around the independent foundation by taking the steel pipe as a channel, and slurry enters the soil through the slurry outlet of the steel pipe and is consolidated with the soil into a whole, so that the bearing capacity of the foundation soil is improved, and the problem of water and soil loss is solved.
The beneficial effects of the utility model include:
1. the bearing capacity and rigidity of the foundation are improved, the lateral extrusion resistance is increased, and the structural stability is ensured.
2. The construction process is simple, the period is short, and the cost is low.
3. The soil around the foundation is grouted and reinforced, and the bearing capacity of the foundation soil and the capability of resisting water and soil loss are improved.
4. The rectification and reinforcement can be realized for the power equipment which has smaller sedimentation and can still run without stopping running.
Drawings
Fig. 1 is a schematic view of the overall structure of a lifting, deviation-rectifying and reinforcing structure of an independent foundation of a power equipment of the utility model;
fig. 2 is a structural plan view of the lifting deviation rectifying and reinforcing structure of the power equipment independent foundation of the utility model;
FIG. 3 is utility model discloses a schematic diagram of steel-pipe pile of power equipment isolated footing lifting reinforced structure of rectifying
In the figure: 1. an independent foundation; 2. a steel pipe; 3. a n-shaped plate; 4. planting bars; 5. a nut; 6. a U-shaped plate; 7. a hydraulic jack; 8. a pulp outlet; 9. an upper column.
Detailed Description
The following combines the attached drawing to do the detailed explanation to utility model a power equipment isolated footing lifting reinforced structure of rectifying.
According to the technical scheme, as shown in fig. 1, the lifting and deviation rectifying reinforcing structure for the independent foundation of the power equipment comprises an independent foundation 1, four steel pipes 2 and four n-shaped plates 3, wherein an upper column 9 is arranged at the top of the independent foundation 1, the upper column 9 is connected with the power equipment, the four n-shaped plates 3 are fixed on the side faces of the independent foundation 1, one steel pipe 2 is placed in each n-shaped plate 3, the steel pipes 2 are connected with the n-shaped plates 3 through welding after deviation rectifying is completed, a hydraulic jack 7 is arranged at the upper end of each steel pipe 2, and a U-shaped plate 6 is installed on each n-shaped plate 3.
As shown in fig. 2, the periphery of the independent foundation 1 is drilled with a planting bar 4, the other end of the planting bar 4 is provided with a thread, and the thread of the planting bar 4 is provided with a nut 5.
According to the above, the nut 5 in the planting bar 4 fixes the pi-shaped plate on the side surface of the independent foundation 1.
According to the above, after the hydraulic jack 7 operates, the steel pipe 2, the hydraulic jack 7 and the U-shaped plate 6 provide reverse load to lift and correct the original foundation.
According to the above, the U-shaped plate 6 is provided with a hook clamping groove, so that the U-shaped plate can be conveniently detached from the n-shaped plate, and the n-shaped plate 3 is clamped and does not slide in the loading and lifting process.
As shown in fig. 3, in which the steel duct 2 takes a sectional form, it is possible to control the entire length of the steel duct 2, thereby facilitating the introduction of the steel duct 2 into the bearing stratum of the ground.
According to the above, the joints between the steel pipes 2 are welded and subjected to corrosion prevention treatment.
According to the above, a plurality of grout outlets 8 are reserved on the side surface of the steel pipe 2, and the grout in the steel pipe 2 enters the interior of the ground through the grout outlets 8 and is integrated with the ground.
According to the content, the lifting and deviation rectifying reinforcing structure for the independent foundation of the power equipment is used for uneven settlement, lifting and deviation rectification of the independent foundation, and the specific working principle is as follows:
firstly, hammering pile sinking is needed, a simple small-sized pile hammering device is used for sending the steel pipe 2 into the bearing layer around the independent foundation 1, and the hammering number and the penetration index are observed and recorded. The steel pipe 2 pile adopts a sectional form, and the pile splicing adopts welding and corrosion prevention treatment.
Secondly, lifting and deviation rectifying are carried out, the periphery of the independent foundation 1 is drilled with embedded bars 4, the other ends of the embedded bars 4 are subjected to wire turning treatment, and the n-shaped plate 3 is connected with the independent foundation 1 into a whole through the embedded bars 4 and nuts 5. The hydraulic jack 7 reversely applies acting force to the U-shaped plate 6 to drive the n-shaped plate 3 and the integral structure of the independent foundation 1 to slowly and uniformly lift. And (3) simultaneously pressurizing and adjusting four sides of the foundation in the lifting process, setting a uniform elevation surface, and observing in real time through a level gauge, a horizontal laser instrument and the like. After reaching the deviation correcting preset position, the n-shaped plate 3 is connected with the steel pipe 2 in a welding and corrosion prevention treatment mode, so that the independent foundation 1 and the steel pipe 2 form a stressed whole, and then the hydraulic jack 7 and the U-shaped plate 6 are dismounted.
And finally, grouting reinforcement is carried out on soil bodies around the independent foundation 1 by adopting grouting equipment with the steel pipe 2 as a channel, and slurry enters the soil bodies through a slurry outlet 8 of the steel pipe 2 and is consolidated with the soil bodies into a whole, so that the bearing capacity of the foundation soil is improved, and the problem of water and soil loss is solved.
Referring to fig. 1, fig. 2 and fig. 3, the lifting, deviation rectifying and reinforcing structure for the independent foundation of the power equipment disclosed by the utility model has the following specific modes:
firstly, hammering and pile sinking: and (3) conveying the steel pipe 2 into the bearing layer by utilizing simple and small hammering pile equipment around the independent foundation 1, and observing and recording the hammering number and the penetration index. The steel pipe 2 is in a sectional form, pile splicing adopts welding and corrosion prevention treatment, and a pile body is provided with a grout outlet 8.
And then lifting and deviation rectifying are carried out, wherein the periphery of the independent foundation 1 is drilled with embedded ribs 4, the other ends of the embedded ribs 4 are subjected to wire turning treatment, and the n-shaped plate 3 is connected with the independent foundation 1 into a whole through the embedded ribs 4 and nuts 5. The hydraulic jack 7 reversely applies acting force to the U-shaped plate 6 to drive the n-shaped plate 3 and the integral structure of the independent foundation 1 to slowly and uniformly lift. And (3) simultaneously pressurizing and adjusting four sides of the foundation in the lifting process, setting a uniform elevation surface, and observing in real time through a level gauge, a horizontal laser instrument and the like. After reaching the deviation correcting preset position, the n-shaped plate 3 is connected with the steel pipe 2 in a mechanical connection or welding and corrosion prevention treatment mode, so that the independent foundation 1 and the steel pipe 2 form a stressed whole, and then the hydraulic jack 7 and the U-shaped plate 6 are dismounted.
And finally grouting and reinforcing: the grouting equipment is adopted to carry out grouting reinforcement on the soil body around the independent foundation 1 by taking the steel pipe 2 as a channel, and slurry enters the soil body through the slurry outlet 8 of the steel pipe 2 and is consolidated with the soil body into a whole, so that the bearing capacity of the foundation soil is improved, and the problem of water and soil loss is solved.
In the above-mentioned lifting deviation correction, referring to fig. 2, the U-shaped plate 6 has a hook slot, and the pi-shaped plate 3 is clamped and does not slide during the loading and lifting process.
In the above final grouting reinforcement, soil cleaning is preferably performed in the steel pipe 2 before grouting, and pressure grouting and then permeation grouting are performed first.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a reinforced structure that rectifies is rectified in lifting of independent basis of power equipment, its characterized in that, including independent basis, four steel pipes and four "pi" shaped plates, the top of independent basis is equipped with the upper portion post, and this upper portion post is connected with power equipment, and four "pi" shaped plates are fixed in the side of independent basis, places a steel pipe in every "pi" shaped plate, the steel pipe is connected through welded connection with "pi" shaped plate after rectifying the completion, the steel pipe upper end is equipped with hydraulic jack, has installed the U-shaped plate on the "pi" shaped plate.
2. The lifting and deviation-rectifying reinforcing structure for the independent foundation of the power equipment as claimed in claim 1, wherein holes are drilled on the periphery of the independent foundation to form embedded bars, threads are arranged at the other ends of the embedded bars, and nuts are arranged on the threads of the embedded bars.
3. The lifting, deviation-rectifying and reinforcing structure for the independent foundation of the power equipment as claimed in claim 2, wherein nuts in the planting bars fix the n-shaped plates on the side surfaces of the independent foundation.
4. The lifting deviation-rectifying reinforcing structure for the independent foundation of the power equipment as claimed in claim 1, wherein after the hydraulic jack is operated, the steel pipe, the hydraulic jack and the U-shaped plate provide reverse load to perform lifting deviation rectification on the original foundation.
5. The lifting deviation-rectifying reinforcing structure for the power equipment independent foundation according to claim 1, wherein the U-shaped plate is provided with a hook clamping groove, so that the U-shaped plate can be conveniently detached from the n-shaped plate, and the n-shaped plate is clamped and cannot slide in the loading and lifting process.
6. The lifting deviation-rectifying reinforcing structure for the independent foundation of the power equipment as claimed in claim 1, wherein the steel pipe is in a segmented form, the overall length of the steel pipe can be controlled, and the steel pipe can be conveniently sent to a bearing stratum of the ground.
7. The lifting, deviation-rectifying and reinforcing structure for the independent foundation of the power equipment as recited in claim 6, wherein the joint between the steel pipes is subjected to welding and corrosion prevention treatment.
8. The lifting, deviation-rectifying and reinforcing structure for the independent foundation of the power equipment as claimed in claim 1, wherein a plurality of grout outlets are reserved on the side surface of the steel pipe, and grout in the steel pipe enters the inside of the ground through the grout outlets and is integrated with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122045529.3U CN215857915U (en) | 2021-08-27 | 2021-08-27 | Lifting and deviation rectifying reinforcing structure for independent foundation of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122045529.3U CN215857915U (en) | 2021-08-27 | 2021-08-27 | Lifting and deviation rectifying reinforcing structure for independent foundation of power equipment |
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| CN215857915U true CN215857915U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122045529.3U Active CN215857915U (en) | 2021-08-27 | 2021-08-27 | Lifting and deviation rectifying reinforcing structure for independent foundation of power equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084480A (en) * | 2023-03-02 | 2023-05-09 | 北京恒祥宏业基础加固技术有限公司 | Lifting and resetting method for foundation subsidence of deep factory building equipment |
-
2021
- 2021-08-27 CN CN202122045529.3U patent/CN215857915U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084480A (en) * | 2023-03-02 | 2023-05-09 | 北京恒祥宏业基础加固技术有限公司 | Lifting and resetting method for foundation subsidence of deep factory building equipment |
| CN116084480B (en) * | 2023-03-02 | 2024-02-20 | 北京恒祥宏业基础加固技术有限公司 | Lifting and resetting method for foundation subsidence of deep factory building equipment |
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