Prestressed steel strand deviation rectifying and steering device for wind power mixed tower

Abstract

The utility model discloses a wind power mixed tower prestressed steel strand deviation rectifying and steering device which comprises a steel drum and a lining, the bottom of the steel drum is cylindrical, the top of the steel drum is an opening with a radian, an annular steel ring fixedly connected with the steel drum is arranged on the outer wall of the steel drum, a stiffening plate is arranged on the side wall of the steel drum, and the bottom of the stiffening plate is connected with the annular steel ring. The lining is a flexible lining; by the adoption of the scheme, steel strand damage caused by turning of the steel strand due to the fact that rubber is directly adopted is avoided, the steel drum structure combined structure is adopted, smooth turning can be achieved through the arc-shaped opening, and damage to the steel strand is reduced.

Description

Technical Field

[0001] The utility model belongs to the field, and more specifically, the utility model relates to a deviation correction and steering device for prestressed steel strands of a wind power hybrid tower. Background Art

[0002] In the wind turbine hybrid tower structure, due to construction deviations, foundation deformation and other reasons, there is often a certain deviation between the prestressed duct and the designed steel strand axis. During the tensioning process of the prestressed steel bars, the prestressed duct and the steel strand cannot be kept in the same straight line, resulting in the steel strand turning under the prestressed duct mouth, which has a great impact on the strength and durability of the steel strand.

[0003] The traditional approach is to use a circle of rubber as a buffer, but a single layer of rubber cannot achieve smooth turning of the steel strand, causing the steel strand to bend, affecting the stress-bearing performance of the steel strand, and prematurely damaging the outer skin of the steel strand, causing it to come into direct contact with the prestressed pipe mouth, causing inevitable damage, and ultimately affecting the service life of the steel strand and affecting the safety of the mixed tower structure. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a wind power hybrid tower prestressed steel strand deviation correction and steering device which makes the steering of the steel strand smoother and increases the service life of the steel strand.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a wind power hybrid tower prestressed steel strand correction and steering device, including a steel barrel and a lining, the bottom of the steel barrel is cylindrical, the top of the steel barrel is an opening with an arc, the outer wall of the steel barrel is provided with an annular steel ring fixedly connected thereto, the side wall of the steel barrel is provided with a stiffening plate, the bottom of the stiffening plate is connected to the annular steel ring, and the lining is a flexible lining.

[0006] The utility model discloses a deviation correction and steering device for prestressed steel strands in a wind power hybrid tower, wherein the steel barrel and the inner liner are both of a split-petal type, and the steel barrel and the inner liner can be divided into two or more petals, wherein the steel barrel and the inner liner of each petal are of the same structure; wherein each two connected steel barrel petals are connected by a stiffening plate, and the stiffening plates are detachably connected.

[0007] The utility model discloses a wind power hybrid tower prestressed steel strand deviation correction and steering device. The inner lining is made of rubber, and the stiffening plates are connected by bolts.

[0008] The utility model discloses a deviation correction and steering device for prestressed steel strands of a wind power hybrid tower, wherein the steel barrel and the inner liner are both of split-petal pin type, the steel barrel is divided into two petals, wherein the mating surface of each petal of the steel barrel is arranged to be a pin shaft on one side and a pin hole on the other side, and the pin shafts and the pin holes of the two petals of the steel barrel are staggered; the inner liner can be divided into two petals or more petals, wherein one side of each petal of the inner liner is provided with a protrusion and the other side is provided with a groove, and the protrusion and the groove of each connected petal of the inner liner are connected by mortise and tenon joints.

[0009] The utility model discloses a wind power mixed tower prestressed steel strand deviation correction and steering device. The wind power mixed tower prestressed steel strand deviation correction and steering device is also provided with a tension ring which is arranged on the top of a steel barrel.

[0010] The utility model discloses a wind power hybrid tower prestressed steel strand deviation correction and steering device, wherein the tension ring is of a split-petal type, the tension ring is divided into two petals, and the two petals are detachably connected by bolts.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. It avoids the damage to the steel strand caused by the direct use of rubber, and adopts a steel barrel structure combination structure. Through the arc-shaped opening setting, smooth turning can be achieved to reduce the damage to the steel strand.

[0013] 2. The deflection device has different structures and can be used in a variety of different occasions to correct the deviation of steel strands. Different locations are greatly affected by the natural environment, and the lateral and longitudinal stress distributions are also different.

[0014] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following is a brief description of the contents and symbols in the drawings of this specification:

[0016] Figure 1 It is an integrated schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the petal type of the utility model;

[0018] Figure 3 It is a schematic diagram of the split-petal latch type of the utility model;

[0019] The markings in the figure are: 1. steel drum; 2. lining; 3. annular steel ring; 4. stiffening plate; 5. pin shaft; 6. pin hole; 7. protrusion; 8. groove; 9. tension ring. DETAILED DESCRIPTION

[0020] The following, with reference to the accompanying drawings, describes the embodiments and further explains the specific implementation methods of the utility model, such as the shapes and structures of the components involved, the relative positions and connection relationships between the components, the functions and working principles of the components, the manufacturing process and the operation and use methods, so as to help those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the utility model.

[0021] like Figure 1 A wind power hybrid tower prestressed steel strand correction and steering device is shown, comprising a steel barrel 1 and an inner liner 2, wherein the bottom of the steel barrel 1 is cylindrical, the top of the steel barrel 1 is an opening with an arc, the outer wall of the steel barrel 1 is provided with an annular steel ring 3 fixedly connected thereto, the side wall of the steel barrel 1 is provided with a stiffening plate 4, the bottom of the stiffening plate 4 is connected to the annular steel ring 3, and the inner liner 2 is a flexible inner liner.

[0022] like Figure 2 The steel barrel 1 and the liner 2 shown are both of the split-petal type, and the steel barrel 1 and the liner 2 can be divided into two or more petals, wherein the steel barrel 1 and the liner 2 of each petal are of the same structure; wherein each two connected petals of the steel barrel 1 are connected by a stiffening plate 4, and the stiffening plates 4 are detachably connected; the liner 2 is made of rubber, and the stiffening plates 4 are connected by bolts.

[0023] like Figure 3 The steel drum 1 and the liner 2 shown are both of the split-petal latch type, the steel drum 1 is divided into two petals, wherein the mating surface of each petal of the steel drum 1 is arranged with a pin shaft 5 on one side and a pin hole 6 on the other side, and the pin shaft 5 and the pin hole 6 of the two petals of the steel drum 1 are staggered; the liner 2 can be divided into two petals or more petals, wherein each petal of the liner 2 is provided with a protrusion 7 on one side and a groove 8 on the other side, and the protrusion 7 and the groove 8 of each connected petal of the liner 2 are connected by mortise and tenon joints; the wind power hybrid tower prestressed steel strand correction and steering device is also provided with a tension ring 9, and the tension ring 9 is arranged on the top of the steel drum 1; the tension ring 9 is of the split-petal type, the tension ring 9 is divided into two petals, and the two petals are detachably connected by bolts.

[0024] The integrated deviation correction device needs to be installed before the steel strand passes through the foundation prestressed hole, and before tensioning, it should be installed at the corresponding position of the foundation prestressed hole. The split-flap deviation correction device can be installed in place after the steel strand passes through the prestressed hole and before the steel strand is tensioned.

[0025] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A wind power tower prestressed steel strand correction and steering device, comprising a steel barrel and an inner liner, characterized in that: The bottom of the steel barrel is cylindrical, the top of the steel barrel is an opening with an arc, the outer wall of the steel barrel is provided with an annular steel ring fixedly connected thereto, the side wall of the steel barrel is provided with a stiffening plate, the bottom of the stiffening plate is connected to the annular steel ring, and the lining is a flexible lining.

2. The wind power tower prestressed steel strand deviation correction and steering device according to claim 1 is characterized in that: The steel barrel and the liner are both of split-petal type, and the steel barrel and the liner can be divided into two or more petals, wherein the steel barrel and the liner of each petal are of the same structure; wherein each two connected petals of the steel barrel are connected by a stiffening plate, and the stiffening plates are detachably connected.

3. The wind power tower prestressed steel strand deviation correction and steering device according to claim 2 is characterized in that: The inner lining is made of rubber, and the stiffening plates are connected with each other by bolts.

4. The wind power hybrid tower prestressed steel strand deviation correction and steering device according to claim 1 is characterized in that: The steel barrel and the liner are both of the split-petal latch type. The steel barrel is divided into two petals, wherein the mating surface of each petal of the steel barrel is arranged with a pin shaft on one side and a pin hole on the other side, and the pin shafts and pin holes of the two petals of the steel barrel are staggered; the liner can be divided into two or more petals, wherein each petal of the liner is provided with a protrusion on one side and a groove on the other side, and the protrusion and groove of each connected petal of the liner are connected by mortise and tenon joints.

5. The wind power tower prestressed steel strand deviation correction and steering device according to claim 4 is characterized in that: The wind power hybrid tower prestressed steel strand deviation correction and steering device is also provided with a tension ring, which is arranged on the top of the steel barrel.

6. The wind power tower prestressed steel strand deviation correction and steering device according to claim 5 is characterized in that: The tension ring is of split-petal type, and is divided into two petals, which are detachably connected by bolts.

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