Wind power blade tip lightning arrester

Abstract

The utility model relates to a wind power blade tip lightning arrester. One end of the installation sleeve is open, the other end of the installation sleeve is provided with a lightning rod, one side of the interior of the installation sleeve is provided with a first clamping plate, the other side of the interior of the installation sleeve is provided with a second clamping plate, one side of the installation sleeve corresponding to the second clamping plate is provided with a threaded hole, and the inner side of the threaded hole is provided with an adjusting mechanism used for adjusting the position of the second clamping plate. A wire is arranged on the outer side of the other side of the mounting sleeve, and one end of the wire is electrically connected with the wiring end of the lightning rod. The wind power blade can be effectively and rapidly clamped, the installation efficiency is improved, and the wind power blade clamping device has high practical value.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power equipment lightning protection technical field, concretely is a kind of wind power blade tip lightning arrester. BACKGROUND

[0002] With the rapid development of wind power industry, the installed capacity and single machine scale of wind turbine are increasing, and the size of wind power blade is also getting longer. Since wind power blade is usually in high altitude and exposed position, it is vulnerable to lightning. According to relevant statistics, lightning is one of the important reasons for the damage of wind power blade, which can cause surface burn, internal structure damage, and even serious accidents such as blade fracture, not only increasing the equipment maintenance cost, but also affecting the normal power generation efficiency and power supply stability of wind farm. At present, the existing wind power blade tip lightning arrester has some problems in practical application, such as the existing wind power blade tip lightning arrester is difficult to clamp wind power blade quickly during use, which leads to low installation efficiency and affects user use. SUMMARY

[0003] The utility model aims at providing a kind of wind power blade tip lightning arrester to solve the problem of the existing wind power blade tip lightning arrester in the above background technology, which is difficult to clamp wind power blade quickly during use, leading to low installation efficiency and affecting user use.

[0004] The utility model is a kind of wind power blade tip lightning arrester, which is characterized by: the wind power blade tip lightning arrester comprises an open-end mounting sleeve, a lightning rod is installed at the other end of the mounting sleeve, a first clamping plate is installed at one side of the inside of the mounting sleeve, a second clamping plate is arranged at the other side, a threaded hole is formed on the side of the mounting sleeve corresponding to the second clamping plate, an adjusting mechanism for adjusting the position of the second clamping plate is arranged on the inside of the threaded hole, and a wire is arranged on the outside of the other side of the mounting sleeve. One end of the wire is electrically connected to the wiring end of the lightning rod.

[0005] Further, the adjusting mechanism comprises a threaded rod, the outside of the threaded rod is engaged with the inside of the threaded hole, and one end of the threaded rod located in the mounting sleeve is rotationally connected with a retaining seat, and the retaining seat is connected with the second clamping plate. By engaging the outside of the threaded rod with the inside of the threaded hole, the threaded rod is rotated in the threaded hole, which can push the retaining seat and the second clamping plate to move, and the distance between the two clamping plates can be accurately adjusted, so that the device closely fits the surface of the tip, enhances the installation firmness, and avoids the decline of lightning protection effect due to loose installation.

[0006] Further, the other end of the threaded rod is provided with an adjusting knob, and a plurality of anti-slip protrusions are arranged around the outside of the adjusting knob.

[0007] Further, the outer side of the threaded rod is sleeved with a spring, one end of the spring is in contact with the outer side of the mounting sleeve, and the other end is in contact with the inner end face of the adjusting knob, the spring is sleeved on the outer side of the threaded rod, continuous elastic force is provided after adjustment, the second clamping plate is tightly attached to the blade tip, the gap caused by blade vibration or temperature change is compensated, and the device is prevented from loosening.

[0008] Further, one end face of the second clamping plate is provided with a pair of sliding rods, the mounting sleeve is provided with a pair of sliding holes corresponding to the positions of the sliding rods, and the outer side of the sliding rod is in sliding connection with the inner side of the sliding hole. Through the sliding connection between the outer side of the sliding rod and the inner side of the sliding hole, the movement track of the second clamping plate is limited, the second clamping plate is prevented from tilting during adjustment or use, and it is ensured that the two clamping plates are always parallel, the blade tip is uniformly clamped, and the installation stability is improved.

[0009] Further, the adjacent side faces of the first clamping plate and the second clamping plate are arc-shaped structures, and the curvatures thereof are matched with the curvature of the outer surface of the wind power blade tip. Through the arc-shaped structures of the adjacent side faces of the first clamping plate and the second clamping plate, the contact area is increased, the clamping is more compact, the blade surface is prevented from being damaged due to excessive local stress, and the installation firmness and the blade protection are considered.

[0010] Further, the outer side of the wire is sleeved with a pair of retainer frames, and one end of the retainer frame is connected with the side face of the mounting sleeve.

[0011] Further, the connecting end face of the mounting sleeve and the lightning rod is arc-shaped. Through the arc-shaped style of the one end of the mounting sleeve, the wind resistance can be reduced, the impact force received by the device in a strong wind environment can be reduced, and the device is prevented from being deformed or falling off due to excessive wind force.

[0012] Compared with the prior art, the device has the advantages that:

[0013] The utility model discloses a through the setting of mounting sleeve provides basic installation structure for whole device, and the lightning rod can guide lightning to the ground, avoids the damage of wind power blade, and the cooperation of first clamping plate and second clamping plate can adapt to the tip of different sizes through adjusting mechanism, realizes firm installation, and wire safely conducts lightning current, and the position of holder fixed wire is prevented from wobbling abrasion because of wind power and other external force, ensures that lightning arrester long -term stable operation promotes the lightning safety of wind power blade, through the engagement of the outside of threaded rod and the inside of screw hole, realizes the rotation of threaded rod in screw hole, can push the movement of holding seat and second clamping plate, can accurately adjust the distance between two clamping plates, makes the device closely adhere to the surface of tip, enhances the firmness of installation, avoids the decline of lightning protection effect because of installation loosening, adjusting knob is installed on the other end of threaded rod, and the user is convenient to rotate threaded rod, the outside of threaded rod is equipped with spring, provides sustained elasticity after adjusting, makes second clamping plate closely adhere to the tip, compensates the gap caused by blade vibration or temperature change, prevents the device from loosening, and the outside of slide rod and the inside of slide hole are connected through sliding, and the movement track of second clamping plate is limited, prevents it from tilting in the process of adjusting or using, ensures that two clamping plates are always parallel, and the tip is evenly clamped, improves the stability of installation, and the adjacent side of first clamping plate and second clamping plate is arc structure, increases the contact area, makes the clamping more closely, avoids the damage of blade surface because of local excessive force simultaneously, gives consideration to the firmness of installation and blade protection, and one end of mounting sleeve is circular arc shape pattern, can reduce the wind resistance, reduces the impact force that the device receives under strong wind environment, avoids the deformation or drop of device because of excessive wind force, the utility model discloses can effectively realize the quick clamping of wind power blade, improves the installation efficiency, and has higher practical value. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure diagram of the utility model Figure One ;

[0015] Figure 2 It is the three-dimensional structure diagram of the utility model Figure Two ;

[0016] Figure 3 It is the exploded three-dimensional structure diagram of the utility model Figure One ;

[0017] Figure 4 It is the exploded three-dimensional structure diagram of the utility model Figure Two .

[0018] The following shows the content of the drawing mark:

[0019] 1, mounting sleeve, 2, lightning rod, 3, first clamping plate, 4, second clamping plate, 5, adjusting mechanism, 6, slide rod, 7, wire, 8, holder,

[0020] 101, threaded hole; 102, sliding hole;

[0021] 501, threaded rod; 502, retaining seat; 503, adjusting knob; 504, spring. DETAILED DESCRIPTION

[0022] The utility model will be further described in detail below in combination with the drawings and specific embodiments.

[0023] Referring to Figures 1 to 4 The structure of the embodiment of the utility model includes an installation sleeve 1 with one end open, a lightning rod 2 is installed at the other end of the installation sleeve 1, a first clamping plate 3 is installed at one side of the inside of the installation sleeve 1, the first clamping plate 3 is fixedly connected with the installation sleeve 1, a second clamping plate 4 is arranged at the other side of the inside of the installation sleeve 1, a threaded hole 101 is formed at one side of the installation sleeve 1 corresponding to the second clamping plate 4, an adjusting mechanism 5 for adjusting the position of the second clamping plate 4 is installed at the inside of the threaded hole 101, a wire 7 is arranged at the other side of the outside of the installation sleeve 1, one end of the wire 7 is electrically connected with the wiring end of the lightning rod 2, a pair of retainer holders 8 are sleeved at the outside of the wire 7, one end of the retainer holder 8 is fixedly connected with the outer side surface of the installation sleeve 1, the installation sleeve 1 provides a basic installation structure for the whole device, the lightning rod 2 can guide lightning to the ground, avoiding damage to the wind power blade, the first clamping plate 3 cooperates with the second clamping plate 4, the adjusting mechanism 5 can adapt to blades of different sizes, realizing stable installation, the wire 7 safely conducts lightning current, the retainer holder 8 fixes the position of the wire, preventing it from shaking and wearing due to external forces such as wind force, ensuring long-term stable operation of the lightning protection device and improving the lightning protection safety of the wind power blade.

[0024] The adjusting mechanism 5 of the utility model includes threaded rod 501, the outside of threaded rod 501 and the inside of threaded hole 101 are engaged, one end of threaded rod 501 is rotatably connected with holding seat 502, one end surface of holding seat 502 and one end surface of second clamping plate 4 are fixedly connected, the other end of threaded rod 501 is installed with adjusting knob 503, the outside of adjusting knob 503 is equipped with a plurality of anti -skid convex, the outside of threaded rod 501 is equipped with spring 504, one end of spring 504 and the outside of mounting sleeve 1 contact, the other end of spring 504 and the inner end surface of adjusting knob 503 contact, the outside of threaded rod 501 and the inside of threaded hole 101 are engaged, threaded rod 501 is rotated in threaded hole 101, holding seat 502 and second clamping plate 4 can be moved, the distance between two clamping plates can be accurately adjusted, the device is closely attached to the surface of blade tip, the installation firmness is enhanced, the lightning protection effect caused by loose installation is avoided, the other end of threaded rod 501 is installed with adjusting knob 503, the user is convenient to rotate threaded rod 501, the outside of threaded rod 501 is equipped with spring 504, the continuous elastic force is provided after adjustment, second clamping plate 4 is closely attached to the blade tip, the clearance caused by blade vibration or temperature change is compensated, and the device is prevented from loosening.

[0025] One end surface of second clamping plate 4 is installed with a pair of slide rods 6, a pair of slide holes 102 are formed in the position of mounting sleeve 1 corresponding to slide rod 6, the outside of slide rod 6 and the inside of slide hole 102 are slidably connected, the adjacent side surface of first clamping plate 3 and second clamping plate 4 is arc structure, the curvature is adapted to the curvature of the outer surface of the tip of wind turbine blade, and the connecting end surface of mounting sleeve 1 and lightning rod 2 is circular arc shape. Wherein, the outside of slide rod 6 and the inside of slide hole 102 are slidably connected, the movement track of second clamping plate 4 is limited, it is prevented from tilting during adjustment or use, it is ensured that the two clamping plates are always parallel, the blade tip is uniformly clamped, the installation stability is improved, the adjacent side surface of first clamping plate 3 and second clamping plate 4 is arc structure, the contact area is increased, the clamping is more closely, meanwhile, the blade surface is prevented from being damaged due to excessive local stress, the installation firmness and blade protection are considered, the connecting end surface of mounting sleeve 1 and lightning rod 2 is circular arc shape, the wind resistance can be reduced, the impact force received by the device under strong wind environment is reduced, and the device is prevented from deforming or falling off due to excessive wind force.

[0026] The working principle of the utility model is as follows: when in use, the whole device is provided with basic mounting structure through the setting of mounting sleeve 1, the lightning rod 2 can guide lightning to the ground to avoid damage of the wind power blade, the first clamping plate 3 cooperates with the second clamping plate 4, and the different sizes of blade tips can be adapted through the adjusting mechanism 5, stable installation is realized, the lightning current is safely conducted through the wire 7, the wire position is fixed through the retainer 8, the wire is prevented from shaking and abrading due to wind force and other external forces, the lightning protection device is ensured to operate stably for a long time, the lightning protection safety of the wind power blade is improved, the outer side of the threaded rod 501 is engaged with the inner side of the threaded hole 101, the threaded rod 501 is rotated in the threaded hole 101, the retaining seat 502 and the second clamping plate 4 can be moved, the distance between the two clamping plates can be accurately adjusted, the device can be closely attached to the surface of the blade tip, the installation firmness is enhanced, the lightning protection effect is prevented from being reduced due to loose installation, the adjusting knob 503 is installed at the other end of the threaded rod 501, the user can rotate the threaded rod 501 conveniently, the spring 504 is sleeved on the outer side of the threaded rod 501, continuous elastic force is provided after adjustment, the second clamping plate 4 is closely attached to the blade tip, the gap caused by blade vibration or temperature change is compensated, the device is prevented from loosening, the outer side of the slide rod 6 is connected with the inner side of the slide hole 102 through sliding, the moving track of the second clamping plate 4 is limited, the second clamping plate 4 is prevented from tilting during adjustment or use, the two clamping plates are ensured to be parallel, the blade tip is evenly clamped, and the installation stability is improved, the adjacent sides of the first clamping plate 3 and the second clamping plate 4 are arc-shaped structures, the contact area is increased, the clamping is more closely, meanwhile, the blade surface is prevented from being damaged due to excessive local stress, the installation firmness and the blade protection are considered, one end of the mounting sleeve 1 is in arc-shaped style, the wind resistance can be reduced, the impact force of the device in strong wind environment is reduced, the device is prevented from deforming or falling off due to excessive wind force, the utility model can effectively realize fast clamping of the wind power blade, improve the installation efficiency, and has high practical value.

[0027] The technical content not specifically described in the utility model and the above embodiments is the same as the prior art.

[0028] The above is only a specific implementation manner disclosed by the utility model, but the protection scope of the utility model disclosed should be limited by the protection scope of the claims.

Claims

1. A wind turbine blade tip lightning protection device, characterized in that: The wind power blade tip lightning protection device comprises an open-end mounting sleeve, a lightning rod is mounted at the other end of the mounting sleeve, a first clamping plate is mounted at one side of the inside of the mounting sleeve, and a second clamping plate is arranged at the other side of the inside of the mounting sleeve, a threaded hole is arranged at the side of the mounting sleeve corresponding to the second clamping plate, an adjusting mechanism for adjusting the position of the second clamping plate is arranged at the inside of the threaded hole, and a wire is arranged at the other side of the outside of the mounting sleeve, and the wire is electrically connected with the wiring end of the lightning rod.

2. Wind turbine blade lightning tip protection according to claim 1, characterized in that: The adjusting mechanism comprises a threaded rod, the outside of the threaded rod is engaged with the inside of the threaded hole, and a retaining seat is rotatably connected with one end of the threaded rod in the mounting sleeve.

3. Wind turbine blade lightning tip protection according to claim 2, characterized in that: The other end of the threaded rod is provided with an adjusting knob, and a plurality of anti-slip protrusions are arranged around the outside of the adjusting knob.

4. A wind turbine blade lightning tip protection device according to claim 3, characterised in that: The outside of the threaded rod is sleeved with a spring, one end of the spring is in contact with the outside surface of the mounting sleeve, and the other end of the spring is in contact with the inner end surface of the adjusting knob.

5. A wind turbine blade lightning tip protection device according to claim 4, characterised in that: One end surface of the second clamping plate is provided with a pair of sliding rods, a pair of sliding holes are arranged at the positions of the mounting sleeve corresponding to the sliding rods, and the outside of the sliding rods is slidingly connected with the inside of the sliding holes.

6. A wind turbine blade tip lightning protection device according to any of claims 1 to 5, characterised in that: The adjacent side surfaces of the first clamping plate and the second clamping plate are both arc-shaped structures, and the curvatures of the arc-shaped structures are matched with the curvature of the outer surface of the wind power blade tip.

7. A wind turbine blade lightning tip protection device according to claim 6, characterised in that: The outside of the wire is sleeved with a pair of retaining frames, and one end of the retaining frame is connected with the side surface of the mounting sleeve.

8. A wind turbine blade lightning tip protection device according to claim 6, characterised in that: The connecting end surface of the mounting sleeve and the lightning rod is arc-shaped.

Images