CN204282394U - A kind of blower foundation and the prestressing force assembly for blower foundation - Google Patents
A kind of blower foundation and the prestressing force assembly for blower foundation Download PDFInfo
- Publication number
- CN204282394U CN204282394U CN201420758469.7U CN201420758469U CN204282394U CN 204282394 U CN204282394 U CN 204282394U CN 201420758469 U CN201420758469 U CN 201420758469U CN 204282394 U CN204282394 U CN 204282394U
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- CN
- China
- Prior art keywords
- prestressing force
- force assembly
- blower foundation
- discharge ring
- steel cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of blower foundation and the prestressing force assembly for blower foundation, a kind of prestressing force assembly, and it comprises crab-bolt, heat-shrink tube, anchor plate, anchoring nut, load dispersion plate, locking nut; Heat-shrink tube is enclosed within the outside of crab-bolt and pyrocondensation is tightened up; Anchor plate is placed in the lower end of heat-shrink tube, and the lower end of crab-bolt through anchor plate, and is fixedly connected with anchoring nut by screw thread; Load dispersion plate is placed in the upper end of heat-shrink tube, and the upper end of crab-bolt through load dispersion plate, and is fixedly connected with locking nut by screw thread.Be provided with a blower foundation for above-mentioned prestressing force assembly, it also comprises concrete, discharge ring.The utility model structure is simple, does not increase manufacture difficulty, does not affect site operation, greatly can strengthen the anchoring property of discharge ring compared with traditional infrastructure ring, improves stability and the safety of unit operation.Discharge ring and prestressing force assembly are all arranged at concrete middle part, and multiple prestressing force assembly is arranged around discharge ring.
Description
Technical field
The utility model relates to a kind of blower foundation and the prestressing force assembly for blower foundation.
Background technology
At present, adopting discharge ring to connect China's wind power tower drum is connected with reinforced concrete foundation more, discharge ring is be embedded in reinforced concrete foundation, that inside and outside wall is smooth steel cylinder, its top adopts forged flange to be connected with tower cylinder, and bottom realizes the anchoring with steel concrete by T-shaped plate, perforation reinforcing bar.Discharge ring connects to have and makes simple, the feature such as convenient, easy for installation of constructing.
Traditional infrastructure ring is poor because inside and outside wall is smooth, length of embedment is shallow, perforate is few, reinforcement foundation concrete is combined with discharge ring, bottom discharge ring, T-flange is excessive to concrete local pressure, therefore discharge ring anchoring accident often occurs, main manifestations has: between concrete and discharge ring, namely larger shrinkage crack occurs after concreting; After fan operation a period of time, discharge ring and concrete gap increase, and even cause periphery concrete disintegrating, and discharge ring such as to rock at the major accident in concrete, has a strong impact on stable operation and the safety of unit.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of blower foundation and the prestressing force assembly for blower foundation, solves the deficiencies in the prior art.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of prestressing force assembly, and it comprises crab-bolt, heat-shrink tube, anchor plate, anchoring nut, load dispersion plate, locking nut; Heat-shrink tube is enclosed within the outside of crab-bolt and pyrocondensation is tightened up; Anchor plate is placed in the lower end of heat-shrink tube, and the lower end of crab-bolt through anchor plate, and is fixedly connected with anchoring nut by screw thread; Load dispersion plate is placed in the upper end of heat-shrink tube, and the upper end of crab-bolt through load dispersion plate, and is fixedly connected with locking nut by screw thread.
The utility model structure is simple, does not increase manufacture difficulty, does not affect site operation, greatly can strengthen the anchoring property of discharge ring compared with traditional infrastructure ring, improves stability and the safety of unit operation.There is fastening destruction as discharge ring connects, discharge ring and concrete produce gap, when burst and become muddy when a thaw sets in, the prestressing force of release prestressing force assembly, clears up after gap is also in the milk and makes gap closely knit, can again to the utility model prestressing force assembly Shi Hanzhang.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of blower foundation being provided with above-mentioned prestressing force assembly, and it also comprises concrete, discharge ring; Discharge ring and prestressing force assembly are all arranged at concrete middle part, and multiple prestressing force assembly is arranged around discharge ring.In the foundation construction stage, after discharge ring installation, reinforcing bar binding complete, the uniform some prestressing force assemblies of certain distance outside discharge ring, after base concrete reaches design strength, to prestressing force assembly Shi Hanzhang.
The beneficial effects of the utility model are: the utility model structure is simple, does not increase manufacture difficulty, does not affect site operation, greatly can strengthen the anchoring property of discharge ring compared with traditional infrastructure ring, improve stability and the safety of unit operation.Steel cylinder inside and outside wall welding weldering nail, improves combination and the anchoring of steel cylinder and steel concrete, reduces the constringency cleft of concrete and steel cylinder, avoids the excessive office of causing of concrete local pressure of T-shaped plate place bottom because of steel cylinder crush bad and affect steel cylinder anchoring.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the arrangement diagram of the utility model at blower foundation;
The structural representation of ring 8 based on Fig. 3.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of prestressing force assembly, it comprises crab-bolt 1, heat-shrink tube 2, anchor plate 3, anchoring nut 4, load dispersion plate 5, locking nut 6; Heat-shrink tube 2 is enclosed within the outside of crab-bolt 1 and pyrocondensation is tightened up; Anchor plate 3 is placed in the lower end of heat-shrink tube 2, and the lower end of crab-bolt 1 through anchor plate 3, and is fixedly connected with anchoring nut 4 by screw thread; Load dispersion plate 5 is placed in the upper end of heat-shrink tube 2, and the upper end of crab-bolt 1 through load dispersion plate 5, and is fixedly connected with locking nut 6 by screw thread.
As shown in Figure 1 and Figure 2, a kind of blower foundation being provided with above-mentioned prestressing force assembly, it also comprises concrete 9, discharge ring 8; Discharge ring 8 and prestressing force assembly are all arranged in concrete 9, and the top of discharge ring 8 and prestressing force assembly is stretched out outside concrete 9, and multiple prestressing force assembly is arranged around discharge ring 8.In the foundation construction stage, after discharge ring 8 installation, reinforcing bar binding complete, the uniform some prestressing force assemblies of certain distance outside discharge ring, after base concrete reaches design strength, to prestressing force assembly Shi Hanzhang.
Further: the load dispersion plate 5 of multiple prestressing force assembly is equipped with high-strength grouting 7 with the junction of concrete 9.
As shown in Figure 3, further: discharge ring 8 comprises steel cylinder 81 and the support 86 for supporting steel cylinder 81; The upper end of steel cylinder 81 is provided with for the convenient forged flange 82 installing blower fan machine barrel, and the lower end of steel cylinder 81 is provided with the T-shaped plate 83 be connected with support 86 upper end; The inwall of steel cylinder 81 and/or the surface of outer wall are provided with multiple weldering nail 84.It can be horizontal radial, obliquely, obliquely that weldering nail 84 is arranged on direction, and the direction that this example adopts is horizontal radial.
Further: multiple weldering nail 84 is symmetricly set on the surface of the inner and outer wall of steel cylinder 81.Further preferably: multiple weldering nail 84 is symmetrical and be evenly arranged on the surface of the inner and outer wall of steel cylinder 81.
Further: near forged flange 82 weldering nail 84 be shorter in length than away from forged flange 82 weldering nail 84 length, from top to bottom, weldering nail 84 length elongated gradually.Short lower length on multiple weldering nail 84, and evenly gradual change.84 elongated degree are followed closely in the weldering of steel cylinder 81 inside and outside wall welding, gradual change from short to long from top to bottom, when concrete surface, anchorage depth is less, therefore nail 84 is welded shorter, for increasing the anchoring of bottom, lengthen bottom weldering nail 84 length, concrete and steel cylinder 81 stress deformation are coordinated, and bottom reducing steel cylinder 81, T-shaped plate 83 is to concrete local pressure.
Further: the middle part of steel cylinder 81 is evenly provided with multiple through hole 85.In the foundation construction stage, reinforcement foundation colligation also interts with through hole 85, makes device be placed in concrete 9, increases the combination of steel concrete 9 and steel cylinder 81 like this.
The utility model advantage is:
The arranged outside prestressing force assembly of discharge ring 8, improve combination and the anchoring of discharge ring 8 and steel concrete 9, concrete 9 is stressed in advance, reduce the gap of concrete 9 and discharge ring 8, make concrete 9 be in three dimension stress state, improve concrete 9 anti-fatigue performance and Compressive Bearing Capacity.
The outer nonprestressed reinforcement of the replaceable discharge ring of prestressing force assembly 8, under the prerequisite not increasing basic steel using amount, improves underlying security.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a prestressing force assembly, is characterized in that: comprise crab-bolt (1), heat-shrink tube (2), anchor plate (3), anchoring nut (4), load dispersion plate (5), locking nut (6); Described heat-shrink tube (2) is enclosed within the outside of described crab-bolt (1) and pyrocondensation is tightened up; Described anchor plate (3) is placed in the lower end of described heat-shrink tube (2), and the lower end of described crab-bolt (1) through described anchor plate (3), and is fixedly connected with described anchoring nut (4) by screw thread; Described load dispersion plate (5) is placed in the upper end of described heat-shrink tube (2), the upper end of described crab-bolt (1) through described load dispersion plate (5), and is fixedly connected with described locking nut (6) by screw thread.
2. a blower foundation, is characterized in that: comprise multiple assembly of prestressing force as claimed in claim 1, concrete (9), discharge ring (8); Described discharge ring (8) and prestressing force assembly are all arranged in described concrete (9), and described concrete (9) is stretched out outward in the top of described discharge ring (8) and prestressing force assembly, multiple described prestressing force assembly is arranged around described discharge ring (8).
3. described blower foundation according to claim 2, is characterized in that: the load dispersion plate (5) of multiple described prestressing force assembly and the junction of described concrete (9) are equipped with high-strength grouting (7).
4. described blower foundation according to claim 2, is characterized in that: described discharge ring (8) comprises steel cylinder (81) and the support (86) for supporting described steel cylinder (81); The upper end of described steel cylinder (81) is provided with for the convenient forged flange (82) installing blower fan machine barrel, and the lower end of described steel cylinder (81) is provided with the T-shaped plate (83) be connected with described support (86) upper end; The inwall of described steel cylinder (81) and/or the surface of outer wall are provided with multiple weldering nail (84).
5. described blower foundation according to claim 4, is characterized in that: multiple described weldering nail (84) is symmetricly set on the surface of the inner and outer wall of described steel cylinder (81).
6. described blower foundation according to claim 4, is characterized in that: multiple described weldering is followed closely (84) symmetry and is evenly arranged on the surface of the inner and outer wall of described steel cylinder (81).
7., according to the described blower foundation of any one of claim 4 to 6, it is characterized in that: from top to bottom, described weldering nail (84) length elongated gradually.
8. described blower foundation according to claim 7, is characterized in that: the middle part of described steel cylinder (81) is evenly provided with multiple convenience and interts the through hole (85) of reinforcement foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758469.7U CN204282394U (en) | 2014-12-04 | 2014-12-04 | A kind of blower foundation and the prestressing force assembly for blower foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758469.7U CN204282394U (en) | 2014-12-04 | 2014-12-04 | A kind of blower foundation and the prestressing force assembly for blower foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204282394U true CN204282394U (en) | 2015-04-22 |
Family
ID=52865574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758469.7U Expired - Fee Related CN204282394U (en) | 2014-12-04 | 2014-12-04 | A kind of blower foundation and the prestressing force assembly for blower foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204282394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532871A (en) * | 2014-12-04 | 2015-04-22 | 瑞风能源（武汉）工程技术有限公司 | Fan foundation and pre-stress component for same |
| CN106703068A (en) * | 2017-03-01 | 2017-05-24 | 北京建筑大学 | Concrete tower cylinder and foundation connecting mode |
-
2014
- 2014-12-04 CN CN201420758469.7U patent/CN204282394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532871A (en) * | 2014-12-04 | 2015-04-22 | 瑞风能源（武汉）工程技术有限公司 | Fan foundation and pre-stress component for same |
| CN106703068A (en) * | 2017-03-01 | 2017-05-24 | 北京建筑大学 | Concrete tower cylinder and foundation connecting mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |