Wind power generation hollow foundation reserved cableway fixing device

Abstract

The utility model relates to the technical field of wind power generation, in particular to a wind power generation hollow foundation reserved cableway fixing device which is matched with a reserved hole of a wind power generation hollow foundation and a counter bore formed below the reserved hole and comprises a connecting base, an adjusting sleeve, a fixing assembly, a first spiral rib, a second spiral rib and a protective shell. The connecting base is fixedly connected with the wind power generation hollow foundation through bolts, the adjusting sleeve penetrates through the connecting base and is in threaded connection with the connecting base, and the fixing assembly penetrates through the adjusting sleeve and is rotationally connected with the adjusting sleeve. The corrugated pipe is sleeved with a first spiral rib, a second spiral rib is arranged on the upper portion of the adjusting sleeve and located on the outer side of the anchor bearing plate, and the protective shell sleeves the connecting base and is in threaded connection with the lower portion of the connecting base. According to the utility model, workers can conveniently adjust the prestress of the reserved cableway according to environmental conditions, and the service lives of the wind power generation hollow foundation and the reserved cableway are prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field, concretely relates to a kind of wind power generation hollow foundation reserved cableway fixing device. BACKGROUND

[0002] Wind energy is currently the most promising new energy, it is a clean, pollution-free, renewable green energy, in recent years, wind power generation develops rapidly in nationwide, through wind turbine the kinetic energy of wind is converted into mechanical energy, and then mechanical energy is converted into electric power kinetic energy, and wind power generation foundation is the "foundation" of wind turbine, directly contact with ground, bear tower drum, cabin, blade and all weight, and transmit it to foundation, ensure the stability of wind turbine.

[0003] Wind power generation foundation in prior art is generally divided into solid structure and hollow structure, wind power generation hollow foundation does not need to fill concrete inside, section adopts annular, with steel and concrete as core construction material, by economy, construction efficiency, environmental friendliness and structural adaptability, it is widely applied, but wind power generation hollow foundation needs to wear reserved cableway when building, also called pre-stressed cable, for connecting with tower drum, to increase the strength of wind power generation tower drum, and existing reserved cableway fixing device is mostly fixed after cableway tensioning, generally for non-adjustable type, according to environmental change thermal expansion and cold shrink, lead to the actual pre-stress of reserved cableway increase or decrease, thereby influence local stress of wind power generation hollow foundation. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of wind power generation hollow foundation reserved cableway fixing device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wind power generation hollow foundation reserved cableway fixing device, with the reserved hole of wind power generation hollow foundation and the counterbore being set below the reserved hole are adapted, including connecting seat, adjusting sleeve, fixed component, first spiral rib, second spiral rib and protection shell, the connecting seat is fastened and connected with wind power generation hollow foundation by bolt, adjusting sleeve is worn in connecting seat and is connected with connecting seat thread, fixed component is worn in adjusting sleeve, and fixed component is rotatably connected with adjusting sleeve, fixed component includes anchor pad, anchor pad upper portion is provided with conical table, conical table upper portion is equipped with bellow, bellow is sleeved on the outside of reserved cableway, first spiral rib is sleeved on the outside of bellow, second spiral rib is set on the outside of anchor pad on the upper portion of adjusting sleeve, protection shell is sleeved on connecting seat and is connected with the lower portion of connecting seat thread.

[0006] Further, the wind power hollow foundation is internally provided with a plurality of reserved holes in the circumferential direction, a reserved cable is arranged in the reserved hole, a counterbore below the reserved hole comprises a cylindrical section, a transition section and a deep section from bottom to top in sequence, the first spiral rib is arranged in the deep section, the conical table is in contact with the transition section, and the upper end of the connecting seat is arranged in the cylindrical section.

[0007] Further, the middle part of the adjusting sleeve is provided with a connecting ring extending towards the axis, the connecting ring is rotationally connected with the middle part of the fixing assembly, and the lower end of the adjusting sleeve is fixedly provided with a handle on each side.

[0008] Further, the lower end of the anchor pad is provided with a rotating groove, the connecting ring is rotationally connected with the rotating groove, the upper surface of the lower part of the anchor pad is provided with an elastic pad, the elastic pad is sleeved outside the conical table, and the upper surface of the elastic pad is in contact with the wind power hollow foundation.

[0009] Further, the fixing assembly further comprises an anchor ring, the anchor ring is fixedly arranged at the bottom of the anchor pad, a plurality of through holes are arranged on the anchor ring, and each through hole is provided with a clamping piece and is tightly connected with the reserved cable.

[0010] Further, one end of the corrugated pipe is fixedly connected with the conical table, and the other end is inserted into the reserved hole arranged on the wind power hollow foundation.

[0011] Further, the lower end of the first spiral rib is in abutment with the upper end of the conical table, the upper end is in abutment with the upper part of the deep section of the counterbore, the second spiral rib is sleeved on the anchor pad, the upper end of the second spiral rib is in abutment with the upper part of the cylindrical section of the counterbore, and the lower end is in abutment with the adjusting sleeve.

[0012] Further, the middle part of the connecting seat is provided with an abutment ring, the abutment ring is in abutment with the outside of the counterbore of the wind power hollow foundation, a plurality of connecting holes are formed in the abutment ring, and the connecting holes are tightly connected with the wind power hollow foundation through bolts.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The wind power hollow foundation reserved cable fixing device, the adjusting sleeve is arranged in the connecting seat and is in threaded connection with the connecting seat, the fixing assembly is arranged in the adjusting sleeve and is in rotational connection with the adjusting sleeve, the adjusting sleeve is moved up and down along the connecting seat by rotating the adjusting sleeve, workers can slightly adjust the position of the fixing assembly in the case that the environment changes extremely, the prestress of the reserved cable is manually adjusted, and the service life of the wind power hollow foundation and the reserved cable can be prolonged.

[0015] 2.The wind power hollow foundation reserved cableway fixing device, the elastic gasket is arranged on the upper surface of the lower part of the anchor pad, the upper surface of the elastic gasket is in contact with the wind power hollow foundation, the first spiral rib is sleeved on the corrugated pipe, the upper end of the first spiral rib is in abutment with the wind power hollow foundation, and the lower end is in abutment with the upper end of the anchor pad, the second spiral rib is sleeved in the middle part of the anchor pad, the upper end of the second spiral rib is in abutment with the wind power hollow foundation, and the lower end is in abutment with the upper end of the adjusting sleeve, and the elastic gasket, the first spiral rib and the second spiral rib are arranged, so that the fixing device can adaptively and slightly adjust the prestress according to thermal expansion and cold contraction of the reserved cableway.

[0016] 3.The wind power hollow foundation reserved cableway fixing device, the protective shell is sleeved outside the connecting seat and is in threaded connection with the connecting seat, so that the connecting seat and various parts inside the connecting seat can be protected, the internal dust accumulation of the fixing device is reduced, and the influence on subsequent adjustment is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 A wind power hollow foundation reserved cableway fixing device structure schematic view is described in the embodiment of the utility model.

[0018] Fig. 2 A wind power hollow foundation reserved cableway fixing device section structure schematic view is described in the embodiment of the utility model.

[0019] In the drawing: 1, connecting seat; 11, connecting hole; 2, adjusting sleeve; 21, handle; 22, connecting ring; 3, fixing assembly; 31, anchor pad; 311, elastic gasket; 32, corrugated pipe; 33, anchor ring; 331, perforation; 332, clamping piece; 4, first spiral rib; 5, protective shell; 6, wind power hollow foundation; 61, reserved hole; 7, second spiral rib; 8, reserved cableway. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] In the description of the following utility model, it needs to be explained that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation.

[0022] In addition, the technical field and installation mode involved in the embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] Specific embodiments are as follows Figs. 1-2 The wind power hollow foundation reserved cableway fixing device is matched with the reserved hole 61 of the wind power hollow foundation 6 and the counterbore arranged below the reserved hole 61, comprises a connecting seat 1, an adjusting sleeve 2, a fixing assembly 3, a first spiral rib 4, a second spiral rib 7 and a protective shell 5, the connecting seat 1 is fastened and connected with the wind power hollow foundation 6 through bolts, the adjusting sleeve 2 is arranged in the connecting seat 1 and is threadedly connected with the connecting seat 1, the fixing assembly 3 is arranged in the adjusting sleeve 2, the adjusting sleeve 2 is rotationally connected with the fixing assembly 3, the reserved cableway 8 is arranged in the fixing assembly 3, the reserved cableway 8 can be moved by rotating the adjusting sleeve 2, workers can adjust the prestress of the reserved cableway 8 according to different environmental conditions, and the service life of the wind power hollow foundation 6 and the reserved cableway 8 can be improved;

[0024] The fixing assembly 3 comprises an anchor pad 31, a conical table is arranged on the upper portion of the anchor pad 31, a corrugated pipe 32 is arranged on the upper portion of the conical table, the corrugated pipe 32 is arranged on the outer side of the reserved cableway 8, the first spiral rib 4 is arranged on the outer side of the corrugated pipe 32, the second spiral rib 7 is arranged on the outer side of the anchor pad 31 on the upper portion of the adjusting sleeve 2, a plurality of reserved holes 61 are arranged in the wind power hollow foundation 6 in the circumferential direction, the reserved cableway 8 is arranged in the reserved hole 61, a counterbore is arranged below the reserved hole 61, the counterbore comprises a cylindrical segment, a transition segment and a deep segment from bottom to top in sequence, the first spiral rib 4 is arranged in the deep segment, the conical table is in contact with the transition segment, the connecting seat 1 is arranged in the cylindrical segment at the upper end, and the first spiral rib 4 and the second spiral rib 7 can make the fixing device self-adaptively adjust the prestress in a small amount according to the thermal expansion and cold contraction of the reserved cableway 8, the protective shell 5 is arranged on the connecting seat 1 and is threadedly connected with the lower portion of the connecting seat 1, the connecting seat 1 and the internal parts can be protected, the dust accumulation in the fixing device can be reduced, and the influence on subsequent adjustment can be reduced.

[0025] The middle part of the connecting seat 1 is provided with an abutting ring which abuts against the outer side of the sink hole of the wind power hollow foundation 6, a plurality of connecting holes 11 are formed in the abutting ring, the connecting holes 11 are fastened and connected with the wind power hollow foundation 6 through bolts, the middle part of the adjusting sleeve 2 extends to the axis direction and is provided with a connecting ring 22, the connecting ring 22 is rotationally connected with the middle part of the fixing assembly 3, the position of the anchor pad plate 31 can be slightly adjusted by rotating the adjusting sleeve 2, and then the prestress of the reserved cable way 8 is manually adjusted.

[0026] The fixing assembly 3 further comprises an anchor ring 33, one end of the corrugated pipe 32 is fixedly connected with the conical table, the other end is inserted into the reserved hole 61 arranged on the wind power hollow foundation 6, the lower end of the anchor pad plate 31 is provided with a rotating groove, the connecting ring 22 is rotationally connected with the rotating groove, the anchor pad plate 31 is fixedly provided with the anchor ring 33 at the bottom, a plurality of through holes 331 are arranged on the anchor ring 33, the through holes 331 are conical, and a clamping piece 332 is arranged in each through hole 331, the reserved cable way 8 is arranged in the through hole 331 of the anchor ring 33 and is fastened and connected through the clamping piece 332, the fixing assembly 3 can help to tension the reserved cable way 8 and fix the reserved cable way 8 after tensioning; the lower surface of the anchor pad plate 31 is provided with an elastic gasket 311, the elastic gasket 311 is sleeved outside the conical table, the upper surface of the elastic gasket 311 is in contact with the wind power hollow foundation 6, the lower end of the first spiral rib 4 is in abutment with the upper end of the conical table, and the upper end is in abutment with the upper part of the deepening section of the sink hole; the second spiral rib 7 is sleeved on the anchor pad plate 31, the upper end of the second spiral rib 7 is in abutment with the upper part of the cylindrical section of the sink hole, and the lower end is in abutment with the adjusting sleeve 2; the elastic gasket 311, the first spiral rib 4 and the second spiral rib 7 can help the fixing device to adaptively adjust the reserved cable way 8.

[0027] When the wind power hollow foundation reserved cable way fixing device is used, the reserved cable way 8 during the construction of the wind power hollow foundation 6 is sequentially arranged in the corrugated pipe 32, the anchor pad plate 31 and the anchor ring 33, then the connecting seat 1 is fixed on the wind power hollow foundation 6 through bolts, the reserved cable way 8 is tensioned, and the clamping piece 332 locks the reserved cable way 8; through the arrangement of the elastic gasket 311, the first spiral rib 4 and the second spiral rib 7, the fixing device can adaptively slightly adjust the prestress according to the thermal expansion and contraction of the reserved cable way 8; in the case of extreme environmental changes, the worker can rotate the adjusting sleeve 2 to slightly adjust the positions of the anchor pad plate 31 and the anchor ring 33, and then manually adjust the prestress of the reserved cable way 8, thereby prolonging the service life of the wind power hollow foundation 6 and the reserved cable way 8; after the adjustment is completed, the protective shell 5 is installed to reduce the internal dust accumulation of the fixing device and reduce the influence on subsequent adjustment.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cableway fixing device for a hollow foundation for wind power generation, characterized in that: The system is adapted to the reserved holes and countersunk holes below the wind turbine hollow foundation, and includes a connecting seat, an adjusting sleeve, a fixing component, a first spiral rib, a second spiral rib, and a protective shell. The connecting seat is fastened to the wind turbine hollow foundation by bolts. The adjusting sleeve passes through the connecting seat and is threaded to the connecting seat. The fixing component passes through the adjusting sleeve and is rotatably connected to the adjusting sleeve. The fixing component includes an anchor plate with a conical platform on the upper part of the anchor plate. A corrugated pipe is provided on the upper part of the conical platform. The corrugated pipe is sleeved on the outside of the reserved cableway. A first spiral rib is sleeved on the outside of the corrugated pipe. A second spiral rib is provided on the upper part of the adjusting sleeve on the outside of the anchor plate. The protective shell is sleeved on the connecting seat and threaded to the lower part of the connecting seat.

2. The cableway fixing device for a hollow foundation for wind power generation according to claim 1, characterized in that: The hollow foundation for wind power generation has multiple reserved holes arranged circumferentially inside, and reserved cableways are installed in the reserved holes. The countersunk hole below the reserved holes includes a cylindrical section, a transition section and a deep section from bottom to top. The first spiral reinforcement is set in the deep section, the conical platform contacts the transition section, and the upper end of the connecting seat is installed in the cylindrical section.

3. The cableway fixing device for a hollow foundation for wind power generation according to claim 1, characterized in that: A connecting ring is provided in the middle of the adjusting sleeve extending towards the axis. The connecting ring is rotatably connected to the middle of the fixing component. A handle is fixedly provided on each of the two sides of the lower end of the adjusting sleeve.

4. A cableway fixing device for a hollow foundation for wind power generation according to claim 3, characterized in that: The lower end of the anchor plate is provided with a rotating groove, and the connecting ring is rotatably connected to the rotating groove. An elastic pad is provided on the upper surface of the lower part of the anchor plate. The elastic pad is sleeved on the outside of the conical platform, and the upper surface of the elastic pad is in contact with the hollow foundation of the wind power generation.

5. A cableway fixing device for a hollow foundation for wind power generation according to claim 1, characterized in that: The fixing component also includes an anchor ring, which is fixedly installed at the bottom of the anchor plate. The anchor ring has multiple through holes, and each through hole has a clamping piece that is fastened to the reserved cableway.

6. A cableway fixing device for a hollow foundation for wind power generation according to claim 2, characterized in that: One end of the corrugated pipe is fixedly connected to the conical platform, and the other end is inserted into a reserved hole set on the hollow foundation of the wind power generation.

7. A cableway fixing device for a hollow foundation for wind power generation according to claim 2, characterized in that: The lower end of the first spiral rib abuts against the upper end of the conical platform, and the upper end abuts against the upper part of the deep section of the countersunk hole. The second spiral rib is sleeved on the anchor plate, with the upper end of the second spiral rib abutting against the upper part of the cylindrical section of the countersunk hole and the lower end abutting against the adjusting sleeve.

8. A cableway fixing device for a hollow foundation for wind power generation according to claim 1, characterized in that: The connecting seat has an abutment ring in the middle, which abuts against the outer side of the countersunk hole of the wind power hollow foundation. The abutment ring has multiple connecting holes, which are fastened to the wind power hollow foundation by bolts.

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