CN204826001U - Native pressure monitoring device in major diameter single pile basis of marine fan - Google Patents
Native pressure monitoring device in major diameter single pile basis of marine fan Download PDFInfo
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- CN204826001U CN204826001U CN201520465218.4U CN201520465218U CN204826001U CN 204826001 U CN204826001 U CN 204826001U CN 201520465218 U CN201520465218 U CN 201520465218U CN 204826001 U CN204826001 U CN 204826001U
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Abstract
The utility model provides a native pressure measurement in major diameter single pile basis of marine fan, including soil pressure cell and soil pressure meter, the monitoring position at the basic surface of major diameter single pile is fixed to the soil pressure cell, the soil pressure meter sets up in the soil pressure cell, the signal line of soil pressure meter is followed soil pressure cell upper portion and is drawn forth, signal line peripheral hardware matcoveredn, the soil pressure cell top is equipped with signal line protection device, signal line protection device fixes the surface on the single pile basis, the soil pressure cell bottom is equipped with soil pressure cell protection device, soil pressure monitoring device is not arranged at the basic surface of major diameter single pile according to the position interval ground of setting for. The utility model discloses in can guaranteeing that the soil pressure meter immerses soil along with single pile basis test pile smoothly, the impact force when avoiding because of pile causes the soil pressure cell to drop, has ensured the safety of soil pressure meter, has guaranteed being connected of signal line and soil pressure meter, thereby the accuracy that horizontal bearing capacity calculated and structural stability calculates on major diameter single pile basis has been improved greatly.
Description
Technical field
The utility model relates to Oversea wind power generation field, especially relates to a kind of large diameter single pile foundation soil pressure checkout gear of offshore wind turbine.
Background technology
Single column single-pile foundation (hereinafter referred to as single-pile foundation) is made up of single major diameter (more than 4m) steel pipe usually, and bottom is goed deep into, in soil, providing bearing capacity; Middle part is dipped in water bears the long-term ringing such as wave, ocean current, tide; Top is connected with blower fan tower barrel by linkage section or direct method welded flange.As the simplest a kind of offshore wind turbine foundation pattern of structure, single-pile foundation is the leading foundation structure pattern of European offshore wind park at present.Along with the raising of domestic stake technique processed, pile driving equipment, pile setting capability, the application of single-pile foundation in China coastal seas Construction of Wind Power also will be increasingly extensive.
Offshore wind turbine foundation structure mainly bears the synergy of the complex environment loads such as wind, wave, stream, and based on horizontal install, for large diameter single pile foundation, because its marine geotechnical investigation condition is poor, marine boring and long-distance transportation to sample disturbance is comparatively large and laboratory test reliable test result degree is lower, at sea in test pile, its horizontal install performance of precise monitoring becomes the key ensureing whole body of said basic structure stability Design.
Summary of the invention
The technical problems to be solved in the utility model is: the large diameter single pile foundation soil pressure checkout gear providing a kind of offshore wind turbine for above-mentioned Problems existing, be intended to improve the accurate estimation for soil around pile drag, improve the horizontal bearing capacity design of large-diameter pile, improve whole body of said basic structure stability Design level, optimize the design size of foundation structure, save the construction costs of foundation structure.
For this reason, the technical scheme that the utility model adopts is:
A kind of Monitoring on Earth Pressure device of large diameter single pile foundation of offshore wind turbine, described Monitoring on Earth Pressure device comprises earth pressure cell and earth pressure gauge, described earth pressure cell is fixed on the monitoring location of large diameter single pile foundation external surface, described earth pressure gauge is arranged in described earth pressure cell, the holding wire of described earth pressure gauge is drawn from described earth pressure cell top, described holding wire peripheral hardware matcoveredn, holding wire protective device is provided with above described earth pressure cell, described holding wire protective device is fixed on the external surface of described single-pile foundation, soil surface is stretched out in its upper end, described earth pressure cell bottom is provided with earth pressure cell protective device, described Monitoring on Earth Pressure device according to setting location interval be arranged in large diameter single pile foundation external surface and be in surrounding soil layer inside.
Further, described earth pressure cell is combined by top earth pressure cell draw-in groove, left side earth pressure cell draw-in groove, right side earth pressure cell draw-in groove and bottom earth pressure cell draw-in groove, described earth pressure gauge is limited in above-mentioned four earth pressure cell draw-in grooves, the side that described top earth pressure cell draw-in groove, left side earth pressure cell draw-in groove, right side earth pressure cell draw-in groove and bottom earth pressure cell draw-in groove contact with large diameter single pile foundation is cambered surface, and the outer wall of described cambered surface and large diameter single pile foundation is welded and fixed.
Further, the center of described top earth pressure cell draw-in groove is provided with signal string holes, and the length of described signal string holes is 10mm.
Further, described holding wire protective device is holding wire protection angle steel, and the holding wire of earth pressure gauge passes from earth pressure cell, and in holding wire protective device, stretch out soil surface, arranges asbestos cloth between described holding wire and holding wire protection angle steel.
Further; described earth pressure cell protective device comprises earth pressure cell protection steel plate, earth pressure cell protection floor and multiple earth pressure cell head plate; described earth pressure cell protection Plate Welding is fixed on bottom described earth pressure cell; described earth pressure cell head plate is L-square; the right-angle side of described L-square is weldingly fixed on the described earth pressure cell protection soffit of steel plate and the external surface of described single-pile foundation respectively, and described earth pressure cell protection floor is fixedly welded between adjacent two earth pressure cell head plates.
Further, described earth pressure cell caudal peduncle position is provided with Ω shape round steel, and described round steel parcel holding wire, two weld of described Ω shape round steel are on the lateral wall of large diameter single pile foundation.
The beneficial effects of the utility model are: have earth pressure cell in large diameter single pile foundation test pile arranged outside, this earth pressure cell can guarantee that earth pressure gauge is fixed on design attitude; Protective device is set in earth pressure cell bottom simultaneously, can ensures that earth pressure gauge sinks in soil smoothly with single-pile foundation test pile, avoid, because impact force during piling causes earth pressure cell to come off, ensure that the safety of earth pressure gauge; Outside holding wire, wrap up asbestos, then protect angle steel at asbestos cloth outer side covers holding wire and be welded on large diameter single pile foundation test pile lateral wall, fully can fix holding wire, ensure that the connection of holding wire and earth pressure gauge; The earth pressure gauge installed outside large diameter single pile foundation test pile, fully the reaction force of lower ground be can load by accurate measurements large diameter single pile foundation test pile, thus the horizontal bearing capacity computation of large diameter single pile foundation and the accuracy of structural stability calculating substantially increased.
Accompanying drawing explanation
The elevation of the large diameter single pile foundation Monitoring on Earth Pressure device of a kind of offshore wind turbine that Fig. 1 provides for the utility model;
Fig. 2 is A-A sectional drawing in Fig. 1 of the present utility model;
Fig. 3 is B-B sectional drawing in Fig. 1 of the present utility model;
Fig. 4 is the cross-sectional view of holding wire protection angle steel in Fig. 1 of the present utility model;
Fig. 5 is earth pressure cell schematic diagram in Fig. 1 of the present utility model;
Fig. 6 is the Position Design scheme of earth pressure gauge provided by the utility model, L1 in figure, L2 ..., Ln, R1, R2 ..., Rn is the setting position of earth pressure gauge.
In figure: 1 is large diameter single pile foundation test pile; 2 is earth pressure cell; 2-1 is top earth pressure cell draw-in groove; 2-2 is left side earth pressure cell draw-in groove; 2-3 is right side earth pressure cell draw-in groove; 2-4 is bottom earth pressure cell draw-in groove; 2-11 is signal string holes; 3 is earth pressure gauge; 4 is holding wire protection angle steel; 4-1 is holding wire; 5 is earth pressure cell protection steel plate; 6 is earth pressure cell protection floor; 7-a, 7-b and 7-c are earth pressure cell protection head plate.
Detailed description of the invention
With reference to the drawings and specific embodiments, the utility model is further described.
A kind of large diameter single pile foundation Monitoring on Earth Pressure device of offshore wind turbine, comprise earth pressure cell 2 and earth pressure gauge 3, earth pressure gauge 3 is arranged in earth pressure cell 2, earth pressure cell 2 is welded on the monitoring location of the external surface in large diameter single pile foundation 1, as shown in Figure 6, choosing of these monitoring locations is mainly determined by load diatibution according to the main of large diameter single pile foundation, the holding wire 4-1 of earth pressure gauge 3 draws from earth pressure cell 2 top, holding wire 4-1 peripheral hardware matcoveredn, topping can adopt Ω shape round steel, Ω shape round steel parcel holding wire, its Ω shape two weld are on the lateral wall of large diameter single pile foundation, the top of earth pressure cell 2 is provided with holding wire protective device, holding wire protective device is holding wire protection angle steel 4, holding wire protection angle steel 4 stretches out soil surface, holding wire 4-1 passes from earth pressure cell 2, soil surface is stretched out in holding wire protection angle steel 4, in order to further guard signal line, between holding wire 4-1 and holding wire protection angle steel 4, asbestos cloth is set.
Described earth pressure cell 2 is combined by top earth pressure cell draw-in groove 2-1, left side earth pressure cell draw-in groove 2-2, right side earth pressure cell draw-in groove 2-3 and bottom earth pressure cell draw-in groove 2-4, described earth pressure gauge 3 is spacing in four earth pressure cell draw-in grooves, the side that described top earth pressure cell draw-in groove 2-1, left side earth pressure cell draw-in groove 2-2, right side earth pressure cell draw-in groove 2-3 contact with large diameter single pile foundation test pile 1 with bottom earth pressure cell draw-in groove 2-4 is cambered surface, and the outer wall of described cambered surface and large diameter single pile foundation 1 is welded and fixed.
The center of top earth pressure cell draw-in groove 2-1 is provided with signal string holes 2-11, and signal string holes 2-11 is for drawing holding wire 4-1, and the length of signal string holes 2-11 is 10mm.
The length of bottom earth pressure cell draw-in groove 2-4 is greater than the length of top earth pressure cell draw-in groove 2-1.
The bottom of earth pressure cell 2 is provided with earth pressure cell protective device, described earth pressure cell protective device comprises earth pressure cell protection steel plate 6, earth pressure cell protection floor 5 and multiple earth pressure cell head plate 7, earth pressure cell protection steel plate 6 is weldingly fixed on the bottom of earth pressure cell 2, earth pressure cell head plate 7 is L-square, the right-angle side of described L-square is weldingly fixed on the soffit of earth pressure cell protection steel plate 6 and the external surface of earth pressure cell protection floor 5 respectively, earth pressure cell protection floor 5 is fixedly welded on full weld on single-pile foundation 1 surface, for compacted soil pressure cell head plate 7, earth pressure cell head plate 7 is when single-pile foundation 1 is driven in figure, play auxiliary Monitoring on Earth Pressure device and sink to effect in soil.
In the present embodiment, earth pressure cell head plate is 4, and described 4 earth pressure cell head plate disposed at equal distance are in the below of earth pressure cell protection floor 6, and 7-c is arranged in mid point, and 7-a is arranged in two ends, and 7-b is arranged in all the other two 4 Along ents.
The caudal peduncle position of earth pressure cell 2 is provided with 2 Ω shape colligation round steel, and the diameter of described round steel is 8mm, and the length of described round steel is 15mm, described round steel clamping signal line 4-1, and described Ω shape round steel two weld is on large diameter single pile foundation test pile 1 lateral wall.
In the present embodiment, all welding are full weld.
In sum; although the utility model has been described in detail as above; but protection domain of the present utility model can not be limited with it; any person skilled in the art; not departing from spirit and scope of the present utility model, any modification of the utility model is all dropped in protection domain of the present utility model with changing.
Claims (6)
1. the Monitoring on Earth Pressure device of the large diameter single pile foundation of an offshore wind turbine, it is characterized in that, described Monitoring on Earth Pressure device comprises earth pressure cell and earth pressure gauge, described earth pressure cell is fixed on the monitoring location of large diameter single pile foundation external surface, described earth pressure gauge is arranged in described earth pressure cell, the holding wire of described earth pressure gauge is drawn from described earth pressure cell top, described holding wire peripheral hardware matcoveredn, holding wire protective device is provided with above described earth pressure cell, described holding wire protective device is fixed on the external surface of described single-pile foundation, soil surface is stretched out in its upper end, described earth pressure cell bottom is provided with earth pressure cell protective device, described Monitoring on Earth Pressure device according to setting location interval be arranged in large diameter single pile foundation external surface and be in surrounding soil layer inside.
2. the large diameter single pile foundation Monitoring on Earth Pressure device of a kind of offshore wind turbine according to claim 1, it is characterized in that, described earth pressure cell is by top earth pressure cell draw-in groove, left side earth pressure cell draw-in groove, right side earth pressure cell draw-in groove and bottom earth pressure cell draw-in groove combine, described earth pressure gauge is limited in above-mentioned four earth pressure cell draw-in grooves, described top earth pressure cell draw-in groove, left side earth pressure cell draw-in groove, the side that right side earth pressure cell draw-in groove and bottom earth pressure cell draw-in groove contact with large diameter single pile foundation is cambered surface, the outer wall of described cambered surface and large diameter single pile foundation is welded and fixed.
3. the large diameter single pile foundation Monitoring on Earth Pressure device of a kind of offshore wind turbine according to claim 2, is characterized in that, the center of described top earth pressure cell draw-in groove is provided with signal string holes, and the length of described signal string holes is 10mm.
4. the large diameter single pile foundation Monitoring on Earth Pressure device of a kind of offshore wind turbine according to claim 1; it is characterized in that; described holding wire protective device is holding wire protection angle steel; the holding wire of earth pressure gauge passes from earth pressure cell; and in holding wire protective device, stretch out soil surface, between described holding wire and holding wire protection angle steel, asbestos cloth is set.
5. the large diameter single pile foundation Monitoring on Earth Pressure device of a kind of offshore wind turbine according to claim 1, it is characterized in that, described earth pressure cell protective device comprises earth pressure cell protection steel plate, earth pressure cell protection floor and multiple earth pressure cell head plate, described earth pressure cell protection Plate Welding is fixed on bottom described earth pressure cell, described earth pressure cell head plate is L-square, the right-angle side of described L-square is weldingly fixed on the described earth pressure cell protection soffit of steel plate and the external surface of described single-pile foundation respectively, described earth pressure cell protection floor is fixedly welded between adjacent two earth pressure cell head plates.
6. the large diameter single pile foundation Monitoring on Earth Pressure device of a kind of offshore wind turbine according to claim 1, it is characterized in that, described earth pressure cell caudal peduncle position is provided with Ω shape colligation round steel, described round steel clamping signal line, two weld of described Ω shape colligation round steel are on the lateral wall of large diameter single pile foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465218.4U CN204826001U (en) | 2015-06-29 | 2015-06-29 | Native pressure monitoring device in major diameter single pile basis of marine fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465218.4U CN204826001U (en) | 2015-06-29 | 2015-06-29 | Native pressure monitoring device in major diameter single pile basis of marine fan |
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| CN204826001U true CN204826001U (en) | 2015-12-02 |
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| CN201520465218.4U Active CN204826001U (en) | 2015-06-29 | 2015-06-29 | Native pressure monitoring device in major diameter single pile basis of marine fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386342A (en) * | 2017-09-08 | 2017-11-24 | 华电重工股份有限公司 | Offshore wind farm single-pile foundation stake monitoring device |
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2015
- 2015-06-29 CN CN201520465218.4U patent/CN204826001U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386342A (en) * | 2017-09-08 | 2017-11-24 | 华电重工股份有限公司 | Offshore wind farm single-pile foundation stake monitoring device |
| CN107386342B (en) * | 2017-09-08 | 2023-08-15 | 华电重工股份有限公司 | Marine wind power single pile foundation pile monitoring device |
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