CN203452440U - Pre-stress concrete rod section with two ends connected by inner flanges - Google Patents
Pre-stress concrete rod section with two ends connected by inner flanges Download PDFInfo
- Publication number
- CN203452440U CN203452440U CN201320561950.2U CN201320561950U CN203452440U CN 203452440 U CN203452440 U CN 203452440U CN 201320561950 U CN201320561950 U CN 201320561950U CN 203452440 U CN203452440 U CN 203452440U
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- China
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- guard ring
- rod
- prestressed concrete
- concrete rod
- concrete body
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- Expired - Fee Related
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Abstract
The utility model relates to a pre-stress concrete rod section with two ends connected by inner flanges. The pre-stress concrete rod section comprises a pre-stress concrete rod body and connection flanges arranged on two end parts of the pre-stress concrete rod body. The pre-stress concrete rod section is characterized in that the connection flanges on the two end parts of the pre-stress concrete rod body are steel-made inner flanges respectively provided with an inner protective ring and an outer protective ring; each steel-made inner flange with the inner protective ring and the outer protective ring is uniformly provided with connecting bolt holes and stepped holes in the peripheral direction; the inner protective rings and the outer protective rings are connected by rib plates or steel bars and are pre-embedded at the two ends of the pre-stress concrete rod body; the outer protective rings are level with the outer surface of the pre-stress concrete rod body; two ends of a pre-stress main bar are directly anchored in the stepped holes of the inner flanges. The pre-stress concrete rod section with the two ends connected by the inner flanges has the advantages that the appearance of the rod body connected by the steel-made inner flanges is smooth and beautiful and the rod body is not easy to collide; the inner protective rings and the outer protective rings are arranged so that the inner flanges and the pre-stress concrete rod body can be connected firmly.
Description
Technical field
The utility model belongs to a kind of prestressed concrete bar member, and relating in particular to a kind of two ends is the prestressed concrete bar section that inner flange connects.
Background technology
The prestressed concrete bodies of rod that adopt such as the conical electric pole that conventional major diameter multistage connects, communication rod, wind-power tower more, and each section of prestressed concrete body of rod both ends adopt adpting flange to connect, what the adpting flange at its both ends was used is all outward flange, the prestressed concrete body of rod is directly pressed on flange inner face, because the modulus of elasticity of Steel concrete is different, at its contact surface, easily cause fatigue failure or stress to concentrate and destroy, reliability is not high; Simultaneously due to multistage connect after tie point evagination, not only affect attractive in appearancely, and in transportation, due to flange evagination, easily bump to other members, cause damage.
Summary of the invention
It is attractive in appearance that the purpose of this utility model is to provide a kind of smooth in appearance, is also difficult for colliding with during shipment, make the concrete body of rod and flange to be connected two ends more be reliably the prestressed concrete bar section that inner flange connects.
The purpose of this utility model is to realize like this.
According to two ends of the present utility model, it is the prestressed concrete bar section that inner flange connects, comprise the prestressed concrete body of rod and the adpting flange that is located at prestressed concrete body of rod both ends, it is characterized in that the described adpting flange that is located at prestressed concrete body of rod both ends is respectively the steel inner flange with interior guard ring and outer guard ring, circumferencial direction at the described steel inner flange with interior guard ring and outer guard ring is evenly provided with connecting bolt hole and shoulder hole, interior guard ring adopts the gusset or the reinforcing bar that are uniformly distributed along the circumference to be connected with outer guard ring, and be embedded in the two ends of the concrete body of rod, the concordant setting of appearance of described outer guard ring and the described concrete body of rod, prestressed main muscle two ends is directly anchored in the shoulder hole of inner flange.
Described interior guard ring be arranged in parallel at little head end and the outer guard ring of the prestressed concrete body of rod, and at stub end and 5 ° of-30 ° of angles of outer guard ring formation of the prestressed concrete body of rod, and interior guard ring is longer than outer guard ring.
The utility model has the advantages that:
Because the adpting flange at the prestressed concrete body of rod of the present utility model both ends has adopted respectively two steel inner flanges, the smooth in appearance of the body of rod after this inner flange connected mode makes to connect is attractive in appearance, is also difficult for colliding with during shipment; In addition owing to being provided with inside and outside two guard rings on the inner face of inner flange, the main muscle of prestressing force of the body of rod is directly anchored on flange simultaneously, the pressure of main muscle pulling force and the body of rod is all directly passed to inner flange, make the concrete body of rod more reliable with being connected of inner flange, the contact surface that its inside and outside two guard rings have been eliminated concrete and flange effectively produces fatigue failure and the concentrated possibility of destroying of stress.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1 of the present utility model.
Fig. 3 is the structural representation of another embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As Fig. 1, shown in Fig. 2, two ends of the present utility model are the prestressed concrete bar section that inner flange connects, comprise the prestressed concrete body of rod 1 and the adpting flange that is located at the prestressed concrete body of rod 1 both ends, it is characterized in that the described adpting flange that is located at the prestressed concrete body of rod 1 both ends is respectively the steel inner flange 5 with interior guard ring 3 and outer guard ring 4, circumferencial direction at the described steel inner flange 5 with interior guard ring 3 and outer guard ring 4 is evenly provided with connecting bolt hole 6 and shoulder hole 7, interior guard ring 3 adopts gusset or reinforcing bar 8 to be connected with outer guard ring 4, and be embedded in the two ends of the prestressed concrete body of rod 1, the concordant setting of appearance of described outer guard ring 4 and the described prestressed concrete body of rod 1, after steel inner flange 5 with interior guard ring 3 and outer guard ring 4 is connected with the prestressed concrete body of rod 1, smooth in appearance is attractive in appearance, during shipment, be also difficult for colliding with, prestressed main muscle 2 two ends are directly anchored in the shoulder hole 7 of inner flange, this anchor structure not only makes to be firmly connected with the prestressed concrete body of rod 1 with the steel inner flange 5 of interior guard ring 3 and outer guard ring 4, and the pulling force of the main muscle 2 of prestressing force and the pressure of the prestressed concrete body of rod 1 is all directly passed to steel inner flange 5, make the prestressed concrete body of rod 1 more reliable with being connected of steel inner flange 5.
As shown in Figure 3, interior guard ring 3 described in the utility model be arranged in parallel at little head end and the outer guard ring 4 of the prestressed concrete body of rod 1, and at stub end and 5 ° of-30 ° of angles of outer guard ring 4 formation of the prestressed concrete body of rod 1, and interior guard ring 3 is longer than outer guard ring 4.Make interior guard ring 3 form an intilted structure, because the prestressed concrete body of rod 1 top is stressed little, bottom is stressed large, therefore it is more reasonable that the wall thickness of the prestressed concrete body of rod 1 bottom is greater than the wall ratio on top conventionally, and the utility model is because the concrete between inside and outside guard ring is owing to there being guard ring constraint, while adopting the utility model to make the prestressed concrete body of rod 1, only need to increase the concrete thickness of the above part of guard ring, and need not increase guard ring position concrete thickness, under the prerequisite that does not change inner flange size, also can increase the supporting capacity of the body of rod.
Between the inside and outside guard ring of the utility model, adopt the gusset or the reinforcing bar 8 that are uniformly distributed along the circumference to connect, guard ring has been eliminated the contact surface of concrete and flange and is produced fatigue failure and the concentrated possibility of destroying of stress.Be positioned at the connecting bolt hole 6 of the circumferencial direction of steel inner flange 5, for the connection of 1 section, upper and lower prestressed concrete bar.
Claims (2)
1. two ends are the prestressed concrete bar section that inner flange connects, comprise the prestressed concrete body of rod and the adpting flange that is located at prestressed concrete body of rod both ends, it is characterized in that the described adpting flange that is located at prestressed concrete body of rod both ends is respectively the steel inner flange with interior guard ring and outer guard ring, circumferencial direction at the described steel inner flange with interior guard ring and outer guard ring is evenly provided with connecting bolt hole and shoulder hole, interior guard ring adopts gusset or reinforcing bar to be connected with outer guard ring, and be embedded in the two ends of the concrete body of rod, the concordant setting of appearance of described outer guard ring and the described concrete body of rod, prestressed main muscle two ends is directly anchored in the shoulder hole of inner flange.
2. two ends according to claim 1 are the prestressed concrete bar section that inner flange connects, it is characterized in that described interior guard ring be arranged in parallel at little head end and the outer guard ring of the prestressed concrete body of rod, stub end and outer guard ring at the prestressed concrete body of rod form 5 ° of-30 ° of angles, and interior guard ring is longer than outer guard ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561950.2U CN203452440U (en) | 2013-09-11 | 2013-09-11 | Pre-stress concrete rod section with two ends connected by inner flanges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561950.2U CN203452440U (en) | 2013-09-11 | 2013-09-11 | Pre-stress concrete rod section with two ends connected by inner flanges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203452440U true CN203452440U (en) | 2014-02-26 |
Family
ID=50132327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320561950.2U Expired - Fee Related CN203452440U (en) | 2013-09-11 | 2013-09-11 | Pre-stress concrete rod section with two ends connected by inner flanges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203452440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422702A (en) * | 2013-09-11 | 2013-12-04 | 祁锦明 | Prestressed concrete rod section with two ends in inner flange connection |
| EP3502378A1 (en) * | 2017-11-29 | 2019-06-26 | Senvion GmbH | Tower segment for a wind turbine and method for producing a tower segment |
-
2013
- 2013-09-11 CN CN201320561950.2U patent/CN203452440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422702A (en) * | 2013-09-11 | 2013-12-04 | 祁锦明 | Prestressed concrete rod section with two ends in inner flange connection |
| EP3502378A1 (en) * | 2017-11-29 | 2019-06-26 | Senvion GmbH | Tower segment for a wind turbine and method for producing a tower segment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |