WO2019223260A1 - 电缆保护装置及风力发电机组 - Google Patents

电缆保护装置及风力发电机组 Download PDF

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Publication number
WO2019223260A1
WO2019223260A1 PCT/CN2018/116157 CN2018116157W WO2019223260A1 WO 2019223260 A1 WO2019223260 A1 WO 2019223260A1 CN 2018116157 W CN2018116157 W CN 2018116157W WO 2019223260 A1 WO2019223260 A1 WO 2019223260A1
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WO
WIPO (PCT)
Prior art keywords
cable
protection device
clamping member
cable protection
sub
Prior art date
Application number
PCT/CN2018/116157
Other languages
English (en)
French (fr)
Inventor
米沙
欣茨乌韦
张新刚
Original Assignee
江苏金风科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江苏金风科技有限公司 filed Critical 江苏金风科技有限公司
Priority to EP18903044.8A priority Critical patent/EP3594496B1/en
Priority to AU2018407116A priority patent/AU2018407116B2/en
Priority to US16/611,720 priority patent/US11460007B2/en
Priority to ES18903044T priority patent/ES2898897T3/es
Publication of WO2019223260A1 publication Critical patent/WO2019223260A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/80—Arrangement of components within nacelles or towers
    • F03D80/82—Arrangement of components within nacelles or towers of electrical components
    • F03D80/85—Cabling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0456—Ladders or other supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings
    • H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/10—Geometry two-dimensional
    • F05B2250/14—Geometry two-dimensional elliptical
    • F05B2250/141—Geometry two-dimensional elliptical circular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the present application relates to the technical field of wind power generation, in particular to a cable protection device and a wind power generator set.
  • the power generated by a horizontal axis wind turbine is generally between 0.1MW and 10MW.
  • the wind turbine's generator, rotating blades and nacelle are placed on top of the tower and will rotate as the wind direction changes.
  • the power cables of the generator are laid down along the tower, so that the power of the wind turbine is output down to the ground equipment along the cable.
  • the turning angle of the nacelle can reach 2-3 weeks, so that the power cable will also be correspondingly twisted.
  • the power cables are entangled with each other due to the large twisting angle, which results in a decrease in the heat dissipation effect of the power cables.
  • the embodiments of the present application provide a cable protection device and a wind power generator set to solve the technical problem that the cables of the wind power generator set are twisted with each other due to twisting.
  • a cable protection device including: a fixing ring having a through hole extending in a first direction; the fixing ring includes an inner side and an outer side opposite to each other in a radial direction; and the outer side includes Two or more mounting surfaces, including a vertical axis on the mounting surface; a clamping member disposed on the mounting surface, the clamping member can be deflected at least about the vertical axis, the clamping member has at least one through hole penetrating in the first direction, and a cable clamp Hold in the through hole and deflect relative to the fixed ring around the vertical axis within a preset range.
  • a second embodiment of the present application provides a wind power generator set including a nacelle, a tower, and the above-mentioned cable protection device.
  • the nacelle is rotatably installed on the top of the tower about a vertical direction, and the tower extends in the vertical direction.
  • the nacelle is arranged down the tower, and the cable protection device is installed on the cables inside the tower.
  • the cable passes through the through hole of the clamping member, and is fixed on the fixing ring by the clamping member.
  • the outer side of the fixing ring is provided with more than two mounting surfaces, and the clamping member is at least Can be deflected around the vertical axis on the mounting surface, so the cable can be deflected by the clamping member around the vertical axis on the mounting surface, and the cable can be deflected at least about the vertical axis within a preset range, which can effectively prevent the cables from intertwining due to twisting Problems, and at the same time can ensure the cooling effect of power cables.
  • FIG. 1 is a schematic structural diagram of a cable protection device according to an embodiment of the present application.
  • FIG. 2 is a state diagram of a cable protection device according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of the cable in a twisted state in FIG. 2;
  • FIG. 4 is a sectional view at B-B in FIG. 2;
  • FIG. 5 is a partially enlarged view of FIG. 4;
  • FIG. 6 is a schematic structural diagram of a clamping member of a cable protection device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a cable protection device according to another embodiment of the present application.
  • FIG. 8 is a state diagram of a cable protection device according to another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of the cable in a twisted state in FIG. 8;
  • FIG. 10 is a schematic cross-sectional view taken along A-A in FIG. 7;
  • FIG. 11 is a schematic structural diagram of the cable in a twisted state in FIG. 10;
  • FIG. 12 is a partial structural schematic diagram of a cable protection device according to another embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a clamping member of a cable protection device according to another embodiment of the present application.
  • FIG. 14 is a partial cross-sectional view of a cable protection device according to another embodiment of the present application.
  • 15 is a schematic structural diagram of a cable protection device according to another embodiment of the present application.
  • 16 is a schematic structural diagram of a wind turbine in the prior art
  • 17 is a schematic structural diagram of a wind turbine according to an embodiment of the present application.
  • FIG. 18 is a plan view of FIG. 17;
  • FIG. 19 is a cross-sectional view of a wind turbine according to an embodiment of the present application.
  • FIG. 20 is a schematic structural diagram of the cable in FIG. 19 in a twisted state
  • FIG. 21 is a partial structural schematic diagram of a wind turbine provided by an embodiment of the present application.
  • FIG. 22 is a schematic cross-sectional view taken along the line C-C in FIG. 21;
  • FIG. 24 is a schematic perspective structural view of a supporting member of a wind turbine according to an embodiment of the present application.
  • 25 is a top view of a supporting member of a wind turbine according to an embodiment of the present application.
  • FIG. 26 is a schematic structural diagram of a setting position of a supporting member of a wind turbine according to an embodiment of the present application.
  • Transfer member 161. First transfer member; 162. Second transfer member;
  • the cable protection device 100 and the wind power generator set of the present application are described in detail below with reference to FIGS. 1 to 26.
  • FIG. 1 is a schematic structural diagram of a cable protection device 100 according to an embodiment of the present application.
  • An embodiment of the application provides a cable protection device 100 including a fixing ring 110 having a first direction (a direction perpendicular to a paper surface in FIG. 1). ) Extending through hole 112, the fixing ring 110 includes radially opposite inner and outer sides, the inner side faces the through hole 112, the outer side includes two or more mounting surfaces 113, and the mounting surface 113 includes a vertical axis x; The clamping member 130 is disposed on the mounting surface 113. The clamping member 130 can be deflected at least about the vertical axis x.
  • the clamping member 130 has at least one through-hole 131 penetrating in the first direction to allow the cable 200 to pass through and clamp.
  • the insertion hole 131 is deflected within a preset range around the vertical axis x with respect to the fixed ring 110.
  • the vertical axis x on the mounting surface 113 is set as shown in FIG. 1, and the vertical axis x is perpendicular to the mounting surface 113.
  • the cable protection device 100 is disposed on the cable 200.
  • the cable 200 passes through the through hole 131 of the clamping member 130 and is fixed to the fixing ring 110 by the clamping member 130.
  • On the outer side of the fixing ring 110 more than two mounting surfaces 113 are provided, and the clamping member 130 can be deflected at least about the vertical axis x on the mounting surface 113, so the cable 200 can be surrounded by the clamping member 130 on the mounting surface 113.
  • the cables 200 are not twisted, the cables 200 are respectively clamped and fixed in the through holes 131, and there is a certain distance between the through holes 131. At a certain distance, under the action of gravity, the cables 200 are in a vertical state, so the cables 200 are parallel to each other, and problems such as collision and squeezing and entanglement with each other will not occur, and the heat dissipation effect of the cables 200 is guaranteed.
  • each clamping member 130 is also deflected relative to the fixed ring 110 by the cable 200.
  • the torque provided to the cable 200 during the rotation of the nacelle is basically the same, so the force of the cable 200 received by each clamping member 130 is basically the same.
  • each clamping member 130 is fixed to the peripheral side of the annular fixing ring 110.
  • the clamping member 130 on the same fixed ring 110 is deflected at substantially the same angle.
  • the inclination angle of the cable 200 relative to the fixed ring 110 is substantially the same, which ensures that the cable 200 is twisted. In the process, it is still possible to maintain a substantially parallel state, and the cables 200 can still maintain a certain distance without collision and squeezing and entanglement, and the heat dissipation effect of the cable 200 can be guaranteed during the twisting process.
  • the clamping member 130 is driven to deflect relative to the fixing ring 110, thereby reducing the relative sliding between the cable 200 and the clamping member 130, and improving the stability of the relative position of the cable 200 and the clamping member 130.
  • the friction between the cable 200 and the clamping member 130 is reduced, and the service life of the cable 200 is improved.
  • the clamping member 130 is an integrated structure, or the clamping member 130 is provided separately, and includes two or more sub-clamping members 135.
  • the clamping member 130 includes more than two sub-clamping members 135, and each of the sub-clamping members 135 includes a half groove extending in the first direction, and more than half of the two or more sub-clamping members 135.
  • the slots are connected to each other to form a through hole 131.
  • the clamping member 130 is provided separately, and includes two or more sub-clamping members 135.
  • Each of the sub-clamping members 135 is provided with a half groove.
  • the slot connection is formed, so whether the cable 200 is assembled or after the cable 200 is assembled, the cable protection device 100 of the present application can be set on the cable 200 by butting the two half-slots to each other, thereby more The cable 200 is well protected, and it is convenient to maintain the cable 200 according to actual needs later.
  • the number of the sub-clamping members 135 is not limited.
  • the second sub-clamping member is provided with three half grooves, and the second sub-clamping member and the half groove of the first sub-clamping member cooperate with each other to form three through holes 131.
  • the clamping member 130 includes three sub-clamping members 135 successively distributed along the circumferential direction of the clamping member 130 itself, and each of the sub-clamping members 135 is provided with two half grooves along its circumferential direction, and the half grooves of the three sub-clamping members 135.
  • Three through holes 131 and the like are spliced together. As long as the half grooves on the sub-clamping member 135 are spliced with each other, the through-hole 131 can be formed.
  • the half grooves of the sub-clamping members 135 can be spliced together to form three through holes 131, so that the three-phase AC power cable 200 of the wind turbine can pass the cable 200 through the clamping members according to the phase. 130 are respectively disposed in the three through holes 131, which facilitates the subsequent inspection of the faulty cable 200 according to the phase, and facilitates the subsequent maintenance of the cable 200.
  • the cable protection device 100 further includes a rotating shaft 150, a rotating shaft 150
  • the fixing ring 110 is disposed along the vertical axis x, and the clamping member 130 is rotatably connected to the fixing ring 110 through the rotating shaft 150.
  • the fixing ring 110 and the rotation shaft 150 are fixedly connected, and the clamping member 130 is rotatably sleeved outside the rotation shaft 150; or, the fixing ring 110 A sleeve hole is provided along the vertical axis x, and the rotating shaft 150 is rotatably sleeved in the sleeve hole with respect to the fixed ring 110 and fixedly connected to the clamping member 130, as long as the clamping member 130 is rotationally connected to the fixing ring 110 through the rotating shaft 150. .
  • the cable 200 since the cable 200 is generally arranged in the tower 400 in the vertical direction, the cable 200 can be deflected relative to the vertical direction, and the cable 200 is passed through the clamps 130 and The rotation shaft 150 is deflected with respect to the vertical axis x, so that the cable 200 can be deflected within a certain range. Therefore, the cable 200 clamped in the through hole 131 can be deflected within a certain range around the vertical axis x with respect to the fixed ring 110, and the deflection angle is Limited, can effectively prevent the cable 200 from being entangled with each other due to twisting, and can also ensure the heat dissipation effect of the cable 200.
  • the clamping member 130 has a contact plane 136, the clamping member 130 is disposed to face the mounting surface 113 through the contact plane 136, and the clamping member 130 surrounds the vertical axis on the mounting surface 113 through the contact plane 136. x deflection.
  • the clamping member 130 is disposed to face the mounting surface 113 through the contact plane 136, so that the surface 130 is used for contact between the clamping member 130 and the fixing ring 110, and the mounting surface 113 can lift the clamping member 130.
  • the clamping member 130 can basically only deflect relative to the vertical axis x on the mounting surface 113.
  • the clamp 130 in this embodiment moves along the mounting surface 113. Under the limitation of the mounting surface 113, the clamp 130 cannot deflect toward the inner side of the fixing ring 110, so the cable clamped in the clamp 130 200 does not deflect toward the inner side of the fixed ring 110, ensuring that the heat radiation space inside the fixed ring 110 and above and below the fixed ring 110 is hardly reduced, thereby ensuring the heat radiation effect.
  • the clamping member 130 can be deflected toward the inner side of the fixed ring 110, the cable 200 will be deflected toward the inner side of the fixed ring 110 by the clamping member 130.
  • the deflection angle is limited, and the cable 200 has a certain flexibility. Under the action of inertial force, the deflection angle of the cable 200 may be larger than the deflection angle of the clamping member 130, so that the portion of the cable 200 located at the edge of the through hole 131 will be relatively clamped. If the member 130 is bent toward the inside of the fixing ring 110, the service life of the cable 200 will be damaged.
  • the clamping member 130 can be deflected outward relative to the fixing ring 110, the cable 200 will also be located at the edge of the through hole 131. A portion is bent toward the outside of the fixing ring 110 with respect to the holding member 130, and the service life of the cable 200 is damaged.
  • the clamping member 130 does not deflect toward the inside or outside of the fixing ring 110 under the limitation of the mounting surface 113, thereby avoiding damage to the service life caused by the bending of the cable 200 under the above circumstances.
  • the fixing ring 110 has a sleeve hole (not shown in the figure) provided through the vertical axis x
  • the clamping member 130 has a mounting groove (not shown in the figure) provided along the vertical axis x.
  • the rotating shaft 150 is penetrated in the sleeve hole and protrudes from the outer side of the fixing ring 110.
  • the clamping member 130 is sleeved on the rotating shaft 150 protruding from the outer side of the fixing ring 110 through a mounting groove.
  • the rotating shaft 150 is rotatably connected through Set in the sleeve hole, the clamping member 130 is fixed to the rotating shaft 150, so that the clamping member 130 is rotationally connected to the fixing ring 110 through the rotating shaft 150.
  • the rotating shaft 150 includes a sliding bearing 151 and a bolt 152.
  • the sliding bearing 151 is rotatably installed in a sleeve hole
  • the bolt 152 is fixed to the sliding bearing 151
  • the bolt 152 is passed through the sliding bearing 151 is rotatable relative to the fixed ring 110
  • the bolt 152 can protrude from the outer side of the fixed ring 110, and is fixedly mounted on the clamping member 130 through a mounting groove.
  • the bolt 152 may be fixed to the sliding bearing 151 and the clamping member 130 through a threaded connection or an interference fit.
  • the bolt 152 is fixed to the sliding bearing 151 and the clamping member 130 through a threaded connection.
  • the first sub-clamping member is T-shaped, and has first perpendicular to each other.
  • the arm 135a and the second arm 135b, the contact plane 136 is located on the side of the first arm 135a away from the second arm 135b;
  • the second sub-clamp has a groove 135c extending in the first direction so that the second arm 135b can accommodate In the groove 135c, the first clamping member and the second clamping member can be connected to each other through the second arm 135b and the groove 135c.
  • the first sub-clamping member is T-shaped, and the contact plane 136 is located on the side of the first arm 135a away from the second arm 135b, leaving a sufficient position for the installation of the installation groove, so that the installation The groove can extend from the contact plane 136 to the second arm 135b.
  • the first sub-clamping member is T-shaped, the second sub-clamping member has a groove 135c, and the first and second sub-clamping members can The second arm 135b and the groove 135c are connected to each other, and the groove 135c can limit the position of the first sub-clamping member to ensure the relative position between the first sub-clamping member and the second sub-clamping member. stability.
  • the first sub-clamp and the second sub-clamp can be connected to each other in various ways, for example, the first sub-clamp and the second sub-clamp are docked with each other and pasted to form the clamp, or the first sub-clamp
  • the clip and the second sub-clamp are connected to each other by a clamping bolt or the like.
  • the first sub-clamping member and the second sub-clamping member are connected to each other by using a clamping bolt, and the second sub-clamping member is far from the first
  • Bolt connection holes are provided on the outer surface of the sub-clamping member.
  • Bolt connection grooves are provided at positions corresponding to the bolt connection holes of the first sub-clamping member.
  • the clamping bolts penetrate the bolt connection holes and are located in the bolt connection grooves.
  • a sinker is provided on the outer surface of the second sub-clamping member.
  • the direction of the holder is recessed, and the bolt connection hole is set on the sink, so that when the clamping bolt is located in the bolt connection hole, it will not protrude from the outer surface of the second sub-clamping member, ensuring the outer surface of the second sub-clamping member. Flatness.
  • the first sub-clamping member and the second sub-clamping member are each provided with three half grooves.
  • the positions of the half-grooves on the first sub-clamping member and the second sub-clamping member are not limited here, as long as the first
  • the half groove on the sub-clamping member can be butted with the half groove on the second sub-clamping member to form three through holes 131.
  • a half groove is provided at an end of the second arm 135b away from the first arm 135a, and a half groove is provided at each of the two sides of the second arm 135b, and the half grooves of the first arm 135a are opposite to each other.
  • the second arm 135b is disposed symmetrically.
  • a half groove is provided at the bottom of the groove 135c, a half groove is provided on each side of the groove 135c, and half grooves on both sides of the groove 135c are symmetrically disposed with respect to the groove 135c.
  • the first sub-clamping member and the second sub-clamping member are connected to each other to form the clamping member 130
  • the cable 200 passing through the through-hole 131 is twisted by force, it is located at the first position.
  • the pressure of the cable 200 on both sides of the two arms 135b and the groove 135c against the second arm 135b and the groove 135c is balanced, thereby ensuring the stability of the relative position between the first sub-clamp and the second sub-clamp.
  • each mounting surface 113 of the fixing ring 110 is provided along the radial direction of the fixing ring 110 with a first half ring 111 with an outward opening; the cable protection device 100 also
  • the clamping block 120 is provided on the mounting surface 113 of the fixed ring 110.
  • the clamping block 120 includes a second half ring 121 corresponding to the first half ring 111, and the first half ring 111 and the second half ring 121 are docked with each other.
  • the through hole 114 extends along the first direction; the holder 130 is rotatably disposed in the through hole 114.
  • the cable 200 is clamped in the through-hole 131 of the clamping member 130, and the clamping member 130 is disposed in the through-hole 114 so that each cable 200 is clamped at intervals through each of the through-holes 131. It is fixed, and the clamping members 130 are spaced apart from each other by the through holes 114.
  • each clamping member 130 rotates in the through hole 114. Since the torque provided to each cable 200 by the nacelle during the rotation is basically the same, the force of the cable 200 received by each clamping member 130 is basically the same.
  • each clamping member 130 is arranged around the ring-shaped fixing ring 110. Side, so that the rotation angle of the clamping member 130 relative to the fixed ring 110 is substantially the same.
  • the inclination angle of each cable 200 held in each clamping member 130 with respect to the fixed ring 110 Basically the same, the cable 200 can still maintain a substantially parallel state, and problems such as collision and squeezing and entanglement will not occur, and the heat dissipation effect of the cable 200 is guaranteed.
  • the clamping member 130 is rotatably disposed relative to the through hole 114, when the cable 200 is twisted, the clamping member 130 is rotated relative to the through hole 114 instead of the cable 200 being rotated in the through hole 131, which can prevent the cable 200 Friction with the clamping member 130 affects the service life of the cable 200.
  • the clamping block 120 is externally installed and fixed on the fixing ring 110.
  • screws can be used for fixed connection, that is, the clamping block 120 is provided with screw holes through which screws can pass.
  • a screw groove or a screw through hole can be provided on the fixing ring 110 to cooperate with the screw, so that the clamping block 120 can be fastened to the fixing ring 110;
  • the clamping force of each clamping member 130 clamped by the through-hole 114 can be effectively controlled.
  • the clamping member 130 can be rotatably disposed in the through hole 114.
  • the outer side of the clamping member 130 is The surface is an arc-shaped surface, and the inner surfaces of the first half ring 111 and the second half ring 121 are adapted to the outer surface of the clamping member 130, so that the clamping member 130 can rotate relative to the first half ring 111 and the second half ring 121. .
  • the clamping member 130 is spherical, the inner surfaces of the first half ring 111 and the second half ring 121 are spherical as a whole, and the inner surface of the through hole 114 It is spherical, and the clamping member 130 is rotatable in the spherical through-hole 114.
  • the clamping member 130 is in the shape of a spherical table, and has a first end surface 132, a second end surface 133 opposite to the first end surface, and a first end surface 133 connected to the first end surface.
  • the first direction is a vertical direction shown in FIG. 10.
  • the clamping member 130 is in the shape of a ball table, and the through-holes 131 extend from the first end surface 132 to the second end surface 133 in the first direction.
  • the through-hole 131 has a preset distance from the edge of the through-hole 114, as shown in FIG. 11, so that the cable 200 passing through the through-hole 131 can pass along the close The direction of the edge of the hole 114 is deflected.
  • the cable 200 is generally arranged in the tower of the wind turbine in the vertical direction, the cable 200 can be deflected relatively vertically.
  • the cable 200 provided with the hole 131 can be deflected within a preset range relative to the vertical axis x of the fixing ring 110 around the mounting surface 113.
  • the clamping member 130 includes a plurality of sub-clamping members 135 successively distributed along the circumferential direction of the clamping member 130 itself, and in order to conveniently arrange the three-phase cable 200, the number of the sub-clamping members 135 is 3, each of the sub-clamping members 135 is provided with two half grooves along its axial direction, the half-grooves on the three sub-clamping members 135 are butted against each other to form three through holes 131, and the three sub-clamping members 135 are mutually
  • the clamping members 130 are connected to form a ball table shape.
  • the clamping members 130 are provided with three through holes 131 so that a set of three cables 200 of three phases can pass through the same clamping member 130.
  • the three sub-clamping members 135 are provided with two mounting holes, and the fixing bolts are arranged in the mounting holes to fix the three sub-clamps.
  • the holding members 135 are assembled together to form the clamping member 130.
  • the mounting hole must have a certain depth to prevent the bolts from being exposed to the outer surface of the sub-clamping member 135 and affect the free rotation of the clamping member 130 in the through hole 114.
  • the number of the clamping blocks 120 is not limited herein.
  • the number of the clamping blocks 120 is the same as the number of the first half rings 111 on the fixed ring 110, and one clamp is provided for each first half ring 111.
  • the block 120 is held so that the cable protection device 100 has a complete ring shape, and the cables 200 fixed by the cable protection device 100 have a ring shape distribution.
  • the cable protection device 100 further includes a damping ring 140, which is sleeved along the first direction outside the clamping member 130.
  • a damping ring 140 which is sleeved along the first direction outside the clamping member 130.
  • the first direction is a direction perpendicular to the paper surface in FIG. 15.
  • FIG. 16 it is a schematic structural diagram of a wind turbine in the prior art, including a nacelle 300, a tower 400 and a cable 200.
  • the nacelle 300 is rotatable relative to the tower 400 and drives the cable 200 to rotate.
  • the turning angle of the nacelle 300 can reach 2-3 weeks, so that the cable 200 will also be correspondingly twisted, which may cause the cables 200 to entangle each other and affect the heat dissipation effect of the cable 200.
  • an embodiment of the present application further provides a wind power generator set, which includes a nacelle 300, a tower 400, a cable 200, and the above-mentioned cable protection device 100.
  • the nacelle 300 is rotatably installed around a vertical direction.
  • the tower 400 extends in a vertical direction, the cable 200 is arranged downward from the nacelle 300 along the inside of the tower 400, and the cable protection device 100 is installed on the cable 200 inside the tower 400.
  • one cable protection device 100 can simultaneously hold and fix multiple cables 200 and isolate the cables 200 from each other.
  • the cables 200 are twisted with the rotation of the nacelle 300, the cables 200 remain. Will remain isolated from each other.
  • two or more cable protection devices 100 are used, and the cable protection devices 100 are installed on the cable 200 at intervals along the extending direction of the cable 200.
  • the distance between the cable protection devices 100 may be Appropriate adjustments are made according to the needs of use, and an appropriate number of cable protection devices 100 can be used according to the length of the twisted portion of the entire cable 200, so that the mutually twisted angles between adjacent cable protection devices 100 can be effectively controlled to avoid The twisting angle is too large, so that the distance between two adjacent clamped cables 200 is too small.
  • the cable 200 includes successively distributed vertical sections, bending sections, and attachment sections.
  • the vertical sections extend from the nacelle 300 and extend in the vertical direction.
  • the attachment sections of the cable 200 are attached to the inner wall of the bottom of the tower 400.
  • the wind turbine also includes a bending support 700, and the bending section between the vertical section and the attaching section is fixed on the bending support 700 so that the vertical section transitions to the attaching section through the bending section.
  • the cable protection device 100 is disposed at vertical intervals on the vertical section of the cable 200, and the cable protection device 100 includes the lowest cable protection device 100a in the vertical direction.
  • the bent sections of the cable 200 are distributed on the lowest cable along the extension direction of the cable 200. Behind the protection device 100a.
  • the lowest cable protection device 100a When the lowest cable protection device 100a is twisted under the torsion of the cable 200, it may cause the bending section of the cable 200 to twist, causing relative displacement between the bending section and the bending support 700, and affecting the bending section.
  • the stability of the relative position with the bending support 700 may affect the stability of the relative position of the attachment section and the inner wall of the tower 400.
  • the wind power generator set further includes a support member 500 disposed outside the lowest cable protection device 100a in the vertical direction in the cable protection device 100, so that the lowest cable protection device 100a can reciprocate in the vertical direction. mobile.
  • a plurality of cable protection devices 100 are arranged at intervals in the vertical direction.
  • a support member 500 is provided outside the lowest cable protection device 100 a located at the lowest position, so that the lowest cable protection device 100 a can reciprocate in the vertical direction.
  • the supporting member 500 includes two first connecting members 510, which are horizontally spaced and parallel to each other inside the tower 400.
  • the first connecting member 510 The first end 511 and the second end 512 are opposite to each other.
  • the first end 511 is hinged to the lowest cable protection device 100 a and the second end 512 is hinged to the inner wall of the tower 400.
  • the two first connecting members 510 arranged in parallel on both sides of the lowest cable protection device 100 a can effectively prevent the cable protection device 100 itself from twisting as the cable 200 is twisted.
  • the lowest cable protection device 100a When the lowest cable protection device 100a moves only under the limit of the first connection piece 510, the lowest cable protection device 100a may also shake in the horizontal direction, causing the cable 200 at the lowest cable protection device 100a to shake along the horizontal plane. As a result, the bending section located behind the lowest cable protection device 100 a is shaken, and then the relative position stability between the bending section and the bending support 700 is affected.
  • the supporting member 500 further includes a second connecting member 520, the second connecting member 520 is disposed on a different surface from the first connecting member 510 in the first direction, and the second connecting member 520 is connected to the first The projection of the piece 510 intersects in the horizontal plane.
  • the second connection piece 520 includes opposite first connection ends 521 and second connection ends 522. The first connection end 521 is hinged to the lowest cable protection device 100a, and the second connection end 522 is hinged to the tower. 400 inner walls.
  • the supporting member 500 further includes a second connecting member 520, and the second connecting member 520 provides a limiting force to the lowest cable protection device 100a in a horizontal direction.
  • the projections of the horizontal plane intersect. Therefore, the direction of the limiting force provided by the second connector 520 and the first connector 510 to the lowest cable protection device 100a in the horizontal direction is different, which can weaken or even prevent the lowest cable protection device 100a in the horizontal direction.
  • the included angle of the first connecting member 510 and the second connecting member 520 on the horizontal plane is not limited.
  • an included angle of the first connecting member 510 and the second connecting member 520 on a horizontal plane is 90 degrees.
  • the lowest cable protection device 100a moves up and down only under the limit of the first connection piece 510, the lowest cable protection device 100a will also shake in the left-right direction in FIG. 25.
  • the lowest cable protection device 100a When moving up and down only under the limitation of the second connection piece 520, the lowest cable protection device 100a will also shake in the up and down direction in FIG. 25. Therefore, when the first connection piece 510 and the second connection piece 520 are vertical, the first The limiting force along the horizontal plane provided by the connection member 510 and the second connection member 520 to the lowest cable protection device 100a is opposite, so that the lowest cable protection device 100a cannot be affected by the cooperation of the first connection member 510 and the second connection member 520. Shaking occurs.
  • the first direction is a direction perpendicular to the paper surface in FIG. 25, and the second connecting member 520 is disposed in different directions from the first connecting member 510 in the first direction in various ways, for example, when the first connecting member 510 When both the second connection member 520 and the second connection member 520 are located on a horizontal plane, the first connection member 510 and the second connection member 520 are located on a horizontal plane spaced apart in a vertical direction; or, the first connection member 510 and the second connection member 520 are located on different inclined surfaces, The first connection end 521 and the first end 511 are sequentially distributed in the vertical direction on the lowest cable protection device 100a.
  • the first connection piece 510 and the second connection piece 520 are arranged in different planes in the vertical direction, that is, the first connection end 521 and the first end 511 are vertically arranged on the lowest cable protection device 100a. It is set in the direction and can move in the vertical direction under the guidance of the first connecting end 521 and the first end 511.
  • the length of the vertical section decreases in the vertical direction due to the twisting.
  • Each cable protection device 100 moves upward in the vertical direction under the twisting action of the cable 200, and the lowest cable protection device 100a It can move upward in the vertical direction to prevent the vertical cable from twisting and the lowest cable protection device 100a from affecting the service life of the cable 200.
  • the two first connecting members 510 and one second connecting member 520 by designing the two first connecting members 510 and one second connecting member 520, not only the minimum cable protection device 100a can be prevented from twisting or shaking along the horizontal plane, but also the minimum cable protection device can be made. 100a moves up and down in the vertical direction, without affecting the stability of the relative position of the bending section and the bending support 700, to better protect the cable 200 and increase the service life of the cable 200.
  • the three connecting members of the two first connecting members 510 and the second connecting members 520 may be a rod-shaped structure, or may be other structural members capable of being connected and capable of withstanding corresponding tensile force and pressure.
  • the two first connecting members 510 are parallel to each other. It can be understood that the connecting lines of the hinge points of the two first connecting members 510 are parallel to each other, that is, the mutual parallelism here does not absolutely require that the two first connecting members 510 are distributed in parallel.
  • the first connecting member 510 can be a zigzag-shaped structural member or an irregular-shaped structural member, both can be abstracted by two hinge points, so that the first connecting member 510 is equivalent to a rod-like structure.
  • the hinges thereof may adopt a shaft hinge or a ball hinge, as long as the first end 511 of the first connection member 510 can be opposite to the second end 512
  • the first connection end 521 of the second connection piece 520 can move relative to the second connection end 522, so that when the second end 512 and the second connection end 522 are fixed on the inner wall surface of the tower 400, they are connected to the first end 511 and
  • the lowest cable protection device 100 a of the first connection end 521 can be moved up and down inside the tower 400.
  • FIG. 24 and FIG. 25 show the connection using a ball articulation, but based on the understanding of those skilled in the art, it can be completely replaced by a shaft articulation.
  • the wind power generator set further includes a sleeve 600 sleeved outside the cable bundle, and the sleeve 600
  • the hole diameter is larger than the diameter of the cable protection device 100.
  • the sleeve 600 is sleeved outside the cable bundle, and the diameter of the sleeve 600 is larger than the diameter of the cable protection device 100, so that the sleeve 600 has a gap with the cable protection device 100 in the horizontal direction, without affecting the normal operation of the cable protection device 100
  • it can also guide the cable bundle to be laid in a preset direction to prevent the cable bundle from violent shaking.
  • the sleeve 600 is fixedly installed inside the tower 400. Specifically, a bracket or the like can be used. The position of the sleeve 600 does not move, and the gap between the sleeve 600 and the cable protection device 100 can allow the cable protection device 100 to When the tower 400 moves up and down along with the cable 200, frictional resistance between the cable protection device 100 and the sleeve 600 is avoided, thereby facilitating the cable 200 to move the cable protection device 100 up and down when the cable 200 is twisted.
  • the relative position of the sleeve 600 and the cable protection device 100 is not limited herein.
  • the cable 200 and the sleeve 600 may cause friction and cause the cable. Damage to 200.
  • the cable 200 is in a vertical state, at least one cable protection device 100 is provided in the sleeve 600, so that the cable 200 hits the sleeve 600 through the cable protection device 100 during the twisting process, and passes through the cable protection device.
  • the protective effect of 100 can effectively reduce the damage of the cable 200 and increase the service life of the cable 200.
  • the number of the sleeves 600 is not limited herein. There are one sleeve 600 or a plurality of sleeves 600.
  • the cable protection device 100 includes a fixing ring 110 and a clamping member 130, and the cable 200 is clamped in the clamping member 130.
  • the clamping member 130 limits the cable 200 so that the cables 200 Keeping them substantially parallel to each other helps to improve the heat dissipation effect of the cable 200.
  • the clamping member 130 can be deflected within a preset range relative to the mounting surface 113 of the fixed ring 110, so that during the twisting of the cable 200, the clamping member 130 can be deflected relative to the fixed ring 110, effectively improving the cable 200 and the clamping
  • the stability of the relative position of the member 130 reduces the friction between the cable 200 and the clamping member 130 and increases the service life of the cable 200.

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  • Clamps And Clips (AREA)

Abstract

一种电缆保护装置（100）及风力发电机组，其中的电缆保护装置（100）包括：固定环（110），具有沿第一方向延伸的通孔（112），固定环（110）包括沿其径向相对的内侧面和外侧面，外侧面包括两个以上安装面（113），安装面（113）上包括垂直轴线（X）；夹持件（130），设置于安装面（113），夹持件（130）至少能够围绕垂直轴线（X）偏转，夹持件（130）具有至少一个沿第一方向贯穿的穿设孔（131），以使电缆（200）夹持在穿设孔（131）中并相对固定环（110）围绕垂直轴线（X）在预设范围内偏转。该电缆（200）被间隔固定，在风力发电机组的机舱（300）转动时，电缆（200）可以通过夹持件（130）围绕安装面（113）上的垂直轴线（X）偏转，且电缆（200）至少能够绕垂直轴线（X）在预设范围内偏转，能够有效防止电缆（200）因扭转而相互缠绕的问题，同时还能够保证电力电缆（200）的散热效果。

Description

电缆保护装置及风力发电机组
相关申请的交叉引用
本申请要求享有于2018年05月22日提交的名称为“电缆保护装置及风力发电机组”的中国专利申请201810494198.1的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及风力发电技术领域，具体的说涉及一种电缆保护装置及风力发电机组。
背景技术
采用水平轴的风力发电机组的发电功率一般在0.1MW-10MW之间。风力发电机组的发电机、旋转叶片和机舱置于塔架的顶部，并且会随着风向的变化而转动。
发电机的电力电缆沿着塔架向下布置，以使风力发电机的电能沿着电缆向下输出到地面设备。在机舱随着风向转动的过程中，机舱的转角可以达到2-3周，这样就使得电力电缆也会产生相应的扭转。电力电缆在扭转的过程中，由于扭转角度过大，使电力电缆之间相互缠绕在一起，导致电力电缆的散热效果下降。
因此，亟需提供一种新的电缆保护装置及风力发电机组。
发明内容
鉴于以上所述的技术问题，本申请实施例提供了一种电缆保护装置及风力发电机组，解决风力发电机组的电缆因扭转而相互缠绕的技术问题。
根据本申请实施例的一个方面，提供了一种电缆保护装置，包括：固定环，具有沿第一方向延伸的通孔，固定环包括沿其径向相对的内侧面和外侧面，外侧面包括两个以上安装面，安装面上包括垂直轴线；夹持件，设置于安装面，夹持件至少能够围绕垂直轴线偏转，夹持件具有至少一个沿第一方向贯穿的穿设孔，电缆夹持在穿设孔 中并相对固定环围绕垂直轴线在预设范围内偏转。
本申请第二实施例提供一种风力发电机组，包括机舱、塔筒和上述的电缆保护装置，机舱绕竖直方向可转动地安装在塔筒的顶部，塔筒沿竖直方向延伸，电缆自机舱沿着塔筒向下布置，电缆保护装置安装于塔筒内部的电缆上。
本申请实施例提供的电缆保护装置，电缆穿过夹持件的穿设孔，被夹持件固定在固定环上，固定环的外侧面设置有两个以上的安装面，且夹持件至少能够围绕安装面上的垂直轴线偏转，因此电缆可以通过夹持件围绕安装面上的垂直轴线偏转，且电缆至少能够绕垂直轴线在预设范围内偏转，能够有效防止电缆因扭转而相互缠绕的问题，同时还能够保证电力电缆的散热效果。
附图说明
从下面结合附图对本申请的具体实施方式的描述中可以更好地理解本申请，其中：
通过阅读以下参照附图对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更明显,其中，相同或相似的附图标记表示相同或相似的特征。
图1是本申请一实施例提供的电缆保护装置的结构示意图；
图2是本申请一实施例提供的电缆保护装置的使用状态图；
图3是图2中电缆在扭转状态下的结构示意图；
图4是图2中B-B处的剖视图；
图5是图4的局部放大图；
图6是本申请一实施例提供的电缆保护装置的夹持件的结构示意图；
图7是本申请又一实施例提供的电缆保护装置的结构示意图；
图8是本申请又一实施例提供的电缆保护装置的使用状态图；
图9是图8中电缆在扭转状态下的结构示意图；
图10是图7中A-A截面剖视示意图；
图11是图10中电缆在扭转状态下的结构示意图；
图12是本申请又一实施例提供的电缆保护装置的部分结构示意图；
图13是本申请又一实施例提供的电缆保护装置的夹持件的结构示意图；
图14是本申请又一实施例提供的电缆保护装置的部分剖视图；
图15是本申请又一实施例提供的电缆保护装置的结构示意图；
图16是现有技术中风力发电机组的结构示意图；
图17是本申请一实施例提供的风力发电机组的结构示意图；
图18是图17的俯视图；
图19是本申请一实施例提供的风力发电机组剖视图；
图20是图19中电缆在扭转状态下的结构示意图；
图21是本申请一实施例提供的风力发电机组的部分结构示意图；
图22是图21中C-C截面剖视示意图；
图23是图22的D处的细节示意图；
图24是本申请一实施例提供的风力发电机组的支撑部件的立体结构示意图；
图25是本申请一实施例提供的风力发电机组的支撑部件的俯视图；
图26是本申请一实施例提供的风力发电机组的支撑部件的设置位置结构示意图。
附图标记说明：
100、电缆保护装置；
110、固定环；111、第一半环；112、通孔；113、安装面；114、贯通孔；
120、夹持块；121、第二半环；
130、夹持件；131、穿设孔；132、第一端面；133、第二端面；134、圆弧形面；135、子夹持件；135a、第一臂；135b、第二臂；135c、沟槽；136、接触平面；
140、减震圈；
150、转轴；151、滑动轴承；152、螺栓；
160、转接部件；161、第一转接部件；162、第二转接部件；
100a、最低电缆保护装置；
200、电缆；
300、机舱；
400、塔筒；
500、支撑部件；
510、第一连接件；511、第一端；512、第二端；
520、第二连接件；521、第一连接端；522、第二连接端；
600、套筒；
700、弯折支撑件。
具体实施方式
下面将详细描述本申请的各个方面的特征和示例性实施例。在下面的详细描述中，提出了许多具体细节，以便提供对本申请的全面理解。但是，对于本领域技术人员来说很明显的是，本申请可以在不需要这些具体细节中的一些细节的情况下实施。下面对实施例的描述仅仅是为了通过示出本申请的示例来提供对本申请的更好的理解。本申请决不限于下面所提出的任何具体配置和算法，而是在不脱离本申请的精神的前提下覆盖了元素、部件和算法的任何修改、替换和改进。在附图和下面的描述中，没有示出公知的结构和技术，以便避免对本申请造成不必要的模糊。
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式；相反，提供这些实施方式使得本申请更全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。在图中，为了清晰，可能夸大了区域和层的厚度。在图中相同的附图标记表示相同或类似的结构，因而将省略它们的详细描述。
此外，所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。在下面的描述中，提供许多具体细节从而给出对本申请的实施例的充分理解。然而，本领域技术人员将意识到，可以实践本申请的技术方案而没有所述特定细节中的一个或更多，或者可以采用其它的方法、组元、材料等。在其它情况下，不详细示出或描述公知结构、材料或者操作以避免模糊本申请的主要技术创意。
下面结合图1至图26详细描述本申请的电缆保护装置100及风力发电机组。
如图1是本申请一实施例的电缆保护装置100的结构示意图，本申请实施例提供一种电缆保护装置100，包括固定环110，具有沿第一方向(图1中垂直于纸面的方向)延伸的通孔112，固定环110包括沿其径向相对的内侧面和外侧面，内侧面朝向通孔112，外侧面包括两个以上的安装面113，安装面113上包括垂直轴线x；夹持件130，设置于安装面113，夹持件130至少能够围绕垂直轴线x偏转，夹持件130具有至少一个沿第一方向贯穿的穿设孔131，以使电缆200穿过并夹持在穿设孔131并相对固定环110围绕垂直轴线x在预设范围内偏转。
其中，安装面113上的垂直轴线x设置方式如图1所示，垂直轴线x垂直于安装 面113。
本申请实施例提供的电缆保护装置100在使用过程中，电缆保护装置100设置于电缆200上，电缆200穿过夹持件130的穿设孔131，并被夹持件130固定在固定环110上，固定环110的外侧面设置有两个以上的安装面113，且夹持件130至少能够围绕安装面113上的垂直轴线x偏转，因此电缆200可以通过夹持件130围绕安装面113上的垂直轴线x偏转。
请一并参阅图2，当电缆200没有发生扭缆时，电缆200分别被夹持固定于各穿设孔131内，而各穿设孔131之间具有一定的距离，所以电缆200之间具有一定距离，在重力的作用下，电缆200处于竖直状态，所以电缆200之间相互平行，不会发生相互碰撞挤压和缠绕等问题，保证了电缆200的散热效果。
请一并参阅图3，在风力发电机组偏航过程中，电缆200在机舱的转动作用下发生扭缆，各夹持件130也在电缆200的作用下相对固定环110发生偏转。另外，机舱转动过程中向电缆200提供的扭矩基本一致，因此各夹持件130受到的电缆200的作用力基本一致，再加上各夹持件130固定于环状的固定环110周侧，使得同一个固定环110上的夹持件130基本以相同的角度偏转，在夹持件130的限位作用下，电缆200相对于固定环110的倾斜角度基本一致，保证了电缆200在扭缆过程中依然能够保持大致相互平行的状态，电缆200之间仍然能够保持一定的距离，不会发生相互碰撞挤压和缠绕，在扭缆过程中还能够保证电缆200的散热效果。
此外，电缆200扭缆过程中，带动夹持件130相对固定环110偏转，减小电缆200本身和夹持件130之间的相对滑动，提高电缆200本身与夹持件130相对位置的稳定性，减小电缆200和夹持件130之间的摩擦，提高电缆200的使用寿命。
如4至图6所示，在一些可选的实施例中，夹持件130为一体结构体，或者夹持件130分体设置，包括两个以上的子夹持件135。此处为了便于安装，夹持件130包括两个以上的子夹持件135，每一个子夹持件135均包括沿第一方向延伸的半槽，两个以上的子夹持件135的半槽两两相互连接形成穿设孔131。
在这些可选的实施例中，夹持件130分体设置，包括两个以上的子夹持件135，每一个子夹持件135上均设置有半槽，穿设孔131由两个半槽连接形成，因此无论是在电缆200装配的过程中，还是在电缆200装配好之后，都可以通过将两个半槽相互对接而将本申请的电缆保护装置100设置在电缆200上，从而更好的保护电缆200，并便 于后期根据实际需求对电缆200进行维护。
可以理解的是，子夹持件135的个数不做限定，例如子夹持件135为两个，分别为第一子夹持件和第二子夹持件，第一子夹持件和第二子夹持件上均设置有三个半槽，第二子夹持件与第一子夹持件的半槽相互配合形成三个穿设孔131。或者夹持件130包括沿夹持件130自身周向相继分布的三个子夹持件135，每个子夹持件135沿其周向设置有两个半槽，三个子夹持件135的半槽相互拼接形成三个穿设孔131等。只要子夹持件135上的半槽相互拼接能够形成穿设孔131即可。
在这些可选的实施例中，子夹持件135的半槽相互拼接能够形成三个穿设孔131，使得风力发电机组的三相交流电的电缆200，能够按照相位将电缆200通过夹持件130分别设置于三个穿设孔131内，便于后期对发生故障的电缆200按照相位进行排查，便于后期对电缆200的维护。
在一些可选的实施例中，夹持件130在安装面113上绕垂直轴线x偏转的设置方式有多种，作为一种可选的实施例，电缆保护装置100还包括转轴150，转轴150沿垂直轴线x设置于固定环110，夹持件130通过转轴150转动连接于固定环110。
夹持件130通过转轴150转动连接于固定环110的设置方式有多种，例如：固定环110和转轴150固定连接，夹持件130可转动地套设在转轴150外侧；或者，固定环110沿垂直轴线x设置套孔，转轴150相对固定环110可转动地套设于套孔内，并固定连接于夹持件130等，只要夹持件130通过转轴150转动连接于固定环110即可。
除此之外，在这些可选的实施例中，由于电缆200一般都是沿竖直方向布置于塔筒400内，因此电缆200能够相对竖直方向偏转，同时电缆200通过夹持件130和转轴150相对于垂直轴线x偏转，从而使得电缆200能够在一定范围内偏转，因此夹持于穿设孔131内的电缆200能够相对固定环110围绕垂直轴线x在一定范围内偏转，且偏转角度有限，能够有效防止电缆200因扭转而相互缠绕的问题，同时还能够保证电缆200的散热效果。
在一些可选的实施例中，夹持件130具有接触平面136，夹持件130通过接触平面136面对安装面113设置，并且夹持件130通过接触平面136在安装面113上围绕垂直轴线x偏转。在这些可选的实施例中，夹持件130通过接触平面136面对安装面113设置，使得夹持件130和固定环110之间利用面面接触，安装面113能够对夹持件130 起到限位作用，夹持件130基本只能相对安装面113上的垂直轴线x发生偏转。
一方面，当电缆200受力发生扭转时，如果电缆200向固定环110的内侧面偏转，会减小位于不同夹持件130内的电缆200之间的间隔距离，减小散热空间，影响电缆200的散热效果。本实施例的夹持件130沿安装面113运动，在安装面113的限位作用下，夹持件130不能够朝向固定环110的内侧面偏转，因此夹持在夹持件130内的电缆200不会向固定环110的内侧面方向偏转，保证固定环110内部及固定环110上下的散热空间几乎不会减小，从而保证了散热效果。
另一方面，如果夹持件130可以朝向固定环110的内侧面偏转，在夹持件130的带动下，电缆200会向固定环110内侧面偏转，由于夹持件130向固定环110内侧的偏转角度有限，而电缆200具有一定的柔性，在惯性力的作用下，电缆200的偏转角度可能会大于夹持件130的偏转角度，使得电缆200位于穿设孔131边缘的部分会相对夹持件130向固定环110内侧弯折，电缆200的使用寿命会因此受损；同理，如果夹持件130可以相对固定环110向外偏转，也会造成电缆200位于穿设孔131边缘的部分相对夹持件130向固定环110外侧弯折，电缆200的使用寿命会因此受损。本实施例中夹持件130在安装面113的限位作用下，不会向固定环110内侧或外侧偏转，避免上述情况下电缆200发生弯折造成的寿命受损。
作为一种可选的实施例，固定环110具有沿垂直轴线x贯穿设置的套孔(图中未示出)，夹持件130具有沿垂直轴线x设置的安装槽(图中未示出)，转轴150穿设于套孔内，并由固定环110的外侧面伸出，夹持件130通过安装槽套设在伸出固定环110外侧面的转轴150上，转轴150可转动地连接穿设于套孔内，夹持件130固定于转轴150，从而使得夹持件130通过转轴150转动连接于固定环110。
可以理解的是，转轴150的设置方式有多种，例如转轴150包括滑动轴承151和螺栓152，滑动轴承151可转动地安装于套孔内，螺栓152固定于滑动轴承151，螺栓152通过滑动轴承151相对固定环110可转动，且螺栓152能够由固定环110的外侧面伸出，并通过安装槽固定安装于夹持件130。其中，螺栓152可以通过螺纹连接或过盈配合固定于滑动轴承151和夹持件130，此处为了便于安装和拆卸，螺栓152通过螺纹连接固定于滑动轴承151和夹持件130。
在一些可选的实施例中，子夹持件135为两个，分别为第一子夹持件和第二子夹持件，第一子夹持件呈T形，具有相互垂直的第一臂135a和第二臂135b，接触平面 136位于第一臂135a远离第二臂135b的一侧；第二子夹持件具有沿第一方向延伸的沟槽135c，以使第二臂135b能够容纳于沟槽135c，使得第一夹持件和第二夹持件能够通过第二臂135b和沟槽135c相互连接。
在这些可选的实施例中，第一子夹持件呈T形，且接触平面136位于第一臂135a远离第二臂135b的一侧，为安装槽的设置留下足够的位置，使得安装槽能够由接触平面136延伸至第二臂135b，同时，第一子夹持件呈T形，第二子夹持件具有沟槽135c，第一子夹持件和第二子夹持件能够通过第二臂135b和沟槽135c相互连接，通过沟槽135c能够对第一子夹持件起到限位的作用，保证第一子夹持件和第二子夹持件之间相对位置的稳定性。
其中，第一子夹持件和第二子夹持件相互连接的方式有多种，例如第一子夹持件和第二子夹持件相互对接并粘贴形成夹持件，或者第一子夹持件和第二子夹持件利用夹紧螺栓相互连接等。此处为了保证第一子夹持件和第二子夹持件的连接强度，第一子夹持件和第二子夹持件利用夹紧螺栓相互连接，第二子夹持件远离第一子夹持件的外表面设置有螺栓连接孔，第一子夹持件与螺栓连接孔相对应的位置设置有螺栓连接槽，夹紧螺栓贯穿螺栓连接孔并位于螺栓连接槽内。
此外，为了保证第二子夹持件外表面大体的平整度，在第二子夹持件的外表面设置有沉台，沉台由第二子夹持件的外表面沿靠近第一子夹持件的方向凹陷形成，螺栓连接孔设置于沉台，使得夹紧螺栓位于螺栓连接孔内时，不会凸出于第二子夹持件的外表面，保证第二子夹持件外表面的平整性。
第一子夹持件和第二子夹持件上均设置有三个半槽，半槽在第一子夹持件和第二子夹持件上的设置位置在此不做限定，只要第一子夹持件上的半槽能够和第二子夹持件上的半槽相互对接形成三个穿设孔131即可。
优选的，第二臂135b远离第一臂135a的端部设置有一个半槽，第一臂135a位于第二臂135b的两侧处分别设置有一个半槽，且第一臂135a的半槽相对于第二臂135b对称设置。相应的，沟槽135c的底部设置有一个半槽，沟槽135c两侧分别设置有一个半槽，且沟槽135c两侧的半槽相对于沟槽135c对称设置。
在这些可选的实施例中，当第一子夹持件和第二子夹持件相互连接形成夹持件130时，穿设于穿设孔131内的电缆200受力扭转时，位于第二臂135b及沟槽135c两侧的电缆200对第二臂135b及沟槽135c的压力平衡，从而保证第一子夹持件和第二子夹持 件之间相对位置的稳定性。
如图7所示，在另一些可选的实施例中，固定环110的每一个安装面113沿固定环110的径向均设置有开口朝外的第一半环111；电缆保护装置100还包括夹持块120，设置于固定环110的安装面113，夹持块120包括与第一半环111对应设置的第二半环121，第一半环111与第二半环121相互对接构成沿第一方向延伸的贯通孔114；夹持件130可转动地设置于贯通孔114内。
在这些可选的实施例中，电缆200夹持在夹持件130的穿设孔131内，夹持件130设置于贯通孔114内，使得各电缆200通过各穿设孔131被间隔夹持固定，而夹持件130被贯通孔114相互间隔。
如图8所示，当电缆200没有发生扭缆时，电缆200被夹持固定在各穿设孔131内，由于各穿设孔131之间具有一定距离，因此电缆200之间具有一定距离，在重力的作用下，电缆200沿竖直方向延伸，电缆200之间处于相互平行的状态，不会发生相互碰撞挤压及缠绕等问题，保证了电缆200的散热效果。
在风力发电机组的偏航过程中，当电缆200在机舱的转动作用下发生扭缆时，如图9所示，各夹持件130在贯通孔114内发生转动。由于机舱在转动过程中向各电缆200提供的扭矩基本一致，因此各夹持件130受到的电缆200的作用力基本一致，再加上各夹持件130被设置于环状的固定环110周侧，从而令夹持件130相对固定环110的转动角度基本相同，在夹持件130的限位作用下，夹持在各夹持件130内的各电缆200相对于固定环110的倾斜角度基本相同，电缆200依然能够保持大致平行的状态，不会发生相互碰撞挤压及缠绕等问题，保证了电缆200的散热效果。
此外，由于夹持件130相对于贯通孔114可转动设置，当电缆200发生扭转时，使得夹持件130相对贯通孔114转动，而不是电缆200在穿设孔131内转动，可以防止电缆200与夹持件130相互摩擦而影响电缆200的使用寿命。
本实施例提供的电缆保护装置100，夹持块120从外部安装并固定在固定环110上，具体地，可以采用螺钉进行固定连接，即在夹持块120上设有螺钉能够通过的螺钉孔，在固定环110上设置螺钉能够配合连接的螺钉槽或螺钉通孔，从而可以将夹持块120紧固在固定环110；而由于夹持块120与第一半环111之间是采用一对一连接的方式，从而可以对每个被贯通孔114夹持的夹持件130的夹持力进行有效控制。
请一并参阅图10和至图14，可以理解的是，夹持件130可转动地设置于贯通孔 114的设置方式有多种，作为一种可选的实施例，夹持件130的外表面为弧形表面，第一半环111和第二半环121的内表面与夹持件130的外表面相适配，令夹持件130相对第一半环111和第二半环121能够转动。
夹持件130的外表面为弧形表面的设置方式有多种，例如夹持件130呈球形，第一半环111和第二半环121的内表面整体呈球形，贯通孔114的内表面为球形，夹持件130在球形的贯通孔114内可转动；或者，夹持件130呈球台形，在第一方向上具有相对的第一端面132、第二端面133、以及连接于第一端面132和第二端面133之间的圆弧形面134。其中，第一方向为图10所示的竖直方向。
优选的，为了预留出更多的空间以设置穿设孔131，夹持件130呈球台形，穿设孔131沿第一方向由第一端面132延伸至第二端面133。其中，为了能够使得电缆200具有更大的旋转自由度，穿设孔131距离贯通孔114的边缘具有预设距离，如图11所示，使得穿过穿设孔131的电缆200能够沿靠近贯通孔114边缘的方向偏转，同时由于电缆200一般沿竖直方向布置于风力发电机组的塔筒内，电缆200能够相对竖直方向偏转，再加上贯通孔114的限位作用，使得穿过穿设孔131的电缆200能够相对固定环110围绕安装面113的垂直轴线x在预设范围内偏转。
在一些可选的实施例中，夹持件130包括沿夹持件130自身周向相继分布的多个子夹持件135，且为了方便布设三相电缆200，子夹持件135的个数为3个，每一个子夹持件135沿其轴向均设置有两个半槽，三个子夹持件135上的半槽相互对接形成三个穿设孔131，且三个子夹持件135相互连接形成球台形的夹持件130，夹持件130上设置有三个穿设孔131，使得一组三相的三个电缆200能够穿设于同一个夹持件130中。
可以理解的是，三个子夹持件135之间相互固定的方式有多种，例如三个子夹持件135上均开设有两个安装孔，利用固定螺栓设置于安装孔中以将三个子夹持件135组装在一起形成夹持件130，其中安装孔要具有一定的深度，防止螺栓露出子夹持件135的外表面，而影响夹持件130在贯通孔114内自由转动。
其中，夹持块120的个数在此不做限定，夹持块120的个数与固定环110上第一半环111的个数一致，且对应每个第一半环111设置一个夹持块120，以使电缆保护装置100呈整环形，电缆保护装置100固定的电缆200呈环形分布。
请一并参阅图15，在一些可选的实施例中，电缆保护装置100还包括减震圈 140，减震圈140沿着第一方向套设在夹持件130外，减震圈140采用减震材料制造，使减震圈140能够吸收外部震动冲击，确保电缆200与夹持件130之间的夹持关系不会因为震动冲击而松动。其中，第一方向为图15中垂直于纸面的方向。
如图16所示，是现有技术中风力发电机组的结构示意图，包括机舱300、塔筒400和电缆200，机舱300相对塔筒400可旋转，并带动电缆200旋转，在机舱300随着风向转动的过程中，机舱300的转角可以达到2-3周，这样就使得电缆200也会产生相应的扭转，有可能造成电缆200相互缠绕，影响电缆200散热效果。
如图17至图26所示，本申请实施例还提供一种风力发电机组，包括机舱300、塔筒400、电缆200和上述的电缆保护装置100，机舱300绕竖直方向可转动地安装在塔筒400的顶部，塔筒400沿竖直方向延伸，电缆200自机舱300沿着塔筒400内部向下布置，电缆保护装置100安装在塔筒400内部的电缆200上。
在本实施例中，一个电缆保护装置100能够同时夹持固定多根电缆200，并且将电缆200之间相互隔离开，当电缆200随着机舱300的转动而产生扭转时，电缆200之间仍然会保持相互隔离的状态。
在一些可选的实施例中，电缆保护装置100使用两个或两个以上，并且电缆保护装置100沿着电缆200的延伸方向间隔安装在电缆200上，电缆保护装置100之间间隔的距离可以根据使用的需要而进行适当调整，并且可以根据整个电缆200的扭转部分的长度来使用适当数量的电缆保护装置100，以使相邻的电缆保护装置100之间相互扭转的角度得到有效控制，避免扭转角度过大而使相邻两根被夹持固定的电缆200之间距离过小。
其中，电缆200包括相继分布的竖直段、弯折段和贴附段，竖直段由机舱300引出后沿竖直方向延伸设置，电缆200的贴附段贴设于塔筒400底部的内壁。风力发电机组还包括弯折支撑件700，竖直段和贴附段之间的弯折段搭设固定在弯折支撑件700上，使得竖直段通过弯折段过渡至贴附段。
电缆保护装置100沿竖直方向间隔设置于电缆200的竖直段，且电缆保护装置100包括沿竖直方向最低电缆保护装置100a，电缆200的弯折段沿电缆200的延伸方向分布于最低电缆保护装置100a之后。当最低电缆保护装置100a在电缆200的扭转作用下发生扭转时，有可能会引起电缆200的弯折段发生扭转，造成弯折段和弯折支撑件700之间发生相对位移，影响弯折段和弯折支撑件700之间相对位置的稳定性，继而可能 影响贴附段和塔筒400内壁相对位置的稳定性。
在一些可选的实施例中，风力发电机组还包括支撑部件500，设置于电缆保护装置100中沿竖直方向上的最低电缆保护装置100a外，令最低电缆保护装置100a能够沿竖直方向往复移动。
如图17所示，多个电缆保护装置100沿竖直方向间隔设置，位于最低位置的最低电缆保护装置100a外设置有支撑部件500，令最低电缆保护装置100a能够沿着竖直方向往复运动，防止最低电缆保护装置100a发生扭转，从而能够防止此处的电缆200发生扭转，继而防止位于最低电缆保护装置100a之后的弯折段发生扭转，提高弯折段和弯折支撑件700相对位置的稳定性，同时也使得贴附段和塔筒400内壁的相对位置更加稳定。
支撑部件500的设置方式有多种，作为一种可选的实施方式，支撑部件500包括两个第一连接件510，沿水平方向间隔且平行地设置于塔筒400内部，第一连接件510包括相对的第一端511和第二端512，第一端511铰接于最低电缆保护装置100a，第二端512铰接于塔筒400内壁。两个平行布置在最低电缆保护装置100a两侧的第一连接件510能够有效防止电缆保护装置100本身随着电缆200的扭转而发生扭转。
当最低电缆保护装置100a仅在第一连接件510的限位作用下移动时，最低电缆保护装置100a还可能会沿水平方向发生晃动，引起最低电缆保护装置100a处的电缆200沿水平面发生晃动，从而引起位于最低电缆保护装置100a之后的弯折段发生晃动，继而影响弯折段和弯折支撑件700之间相对位置的稳定性。
在一些可选的实施例中，支撑部件500还包括第二连接件520，第二连接件520在第一方向上与第一连接件510异面设置，且第二连接件520与第一连接件510在水平面的投影相交，第二连接件520包括相对的第一连接端521和第二连接端522，第一连接端521铰接于最低电缆保护装置100a，第二连接端522铰接于塔筒400内壁。
在本实施例中，支撑部件500还包括第二连接件520，第二连接件520在水平方向上向最低电缆保护装置100a提供一个限位力，第二连接件520与第一连接件510在水平面的投影相交，因此第二连接件520和第一连接件510在水平方向上向最低电缆保护装置100a提供的限位力方向不同，从而能够减弱甚至防止最低电缆保护装置100a在水平方向上的晃动。
其中，第一连接件510和第二连接件520在水平面上投影的夹角不做限定。优选 的，第一连接件510和第二连接件520在水平面上投影的夹角为90度。
如图25所示，当最低电缆保护装置100a仅在第一连接件510的限位作用下上下移动时，最低电缆保护装置100a还会沿图25中的左右方向晃动，当最低电缆保护装置100a仅在第二连接件520的限位作用下上下移动时，最低电缆保护装置100a还会沿图25中的上下方向晃动，因此当第一连接件510和第二连接件520垂直时，第一连接件510和第二连接件520向最低电缆保护装置100a提供的沿水平面的限位力方向相反，使得最低电缆保护装置100a在第一连接件510和第二连接件520的协同作用下不会发生晃动。
此外，第一方向为图25中的垂直于纸面的方向，第二连接件520在第一方向上与第一连接件510异面设置的设置方式有多种，例如当第一连接件510和第二连接件520均位于水平面时，第一连接件510和第二连接件520位于沿竖直方向间隔分布的水平面；或者，第一连接件510和第二连接件520位于不同的斜面，使得第一连接端521和第一端511在最低电缆保护装置100a上沿竖直方向依次分布。
在这些可选的实施例中，由于第一连接件510和第二连接件520沿竖直方向异面设置，即第一连接端521和第一端511在最低电缆保护装置100a上沿竖直方向设置，在第一连接端521和第一端511的导向作用下能够沿竖直方向移动。在电缆200的扭转过程中，竖直段由于发生扭转而使其沿竖直方向的长度减小，各电缆保护装置100在电缆200的扭转作用下沿竖直方向向上移动，最低电缆保护装置100a能够沿竖直方向向上移动，防止竖直段发生扭转时和最低电缆保护装置100a之间发生拉拽而影响电缆200的使用寿命。
因此，在本实施例中，通过两个第一连接件510和一个第二连接件520的设计，不仅能够防止最低电缆保护装置100a发生扭转或沿水平面发生晃动，同时还能够使得最低电缆保护装置100a沿竖直方向上下移动，在不影响弯折段和弯折支撑件700相对位置稳定的情况下，更好的保护电缆200，提高电缆200的使用寿命。
通常的理解，两个第一连接件510和第二连接件520这三个连接件可以是杆状结构，也可以是能够起到连接并能够承受相应的拉力、压力的其他结构件。
两个第一连接件510相互平行，可以理解为两个第一连接件510的铰接点的连线相互平行，即此处的相互平行并不绝对要求两个第一连接件510平行分布，特别是当第一连接件510可以是曲折形状的结构件或者不规则形状的结构件，但是均可以由两 个铰接点来抽象化，使第一连接件510为等同于杆状结构。
可选择地，本实施例中的第一连接件510和第二连接件520中，其铰接可以采用轴铰接或者球铰接，只要使得第一连接件510的第一端511能够相对第二端512移动，第二连接件520的第一连接端521能够相对第二连接端522移动，从而使得第二端512和第二连接端522固定在塔筒400内壁表面时，连接于第一端511和第一连接端521的最低电缆保护装置100a在塔筒400内部能够上下移动即可。
图24和图25中所示为采用球铰接的方式连接，但是基于本领域技术人员的理解可知，其完全可以采用轴铰接的方式替代球铰接的方式。
在一些可选的实施例中，电缆200为多个，多个电缆200穿设于电缆保护装置100形成电缆束；风力发电机组还包括套筒600，套设于电缆束外，且套筒600的孔径大于电缆保护装置100的直径。套筒600套设在电缆束外，且套筒600的孔径大于电缆保护装置100的直径，使得套筒600沿水平方向与所述电缆保护装置100具有间隙，在不影响电缆保护装置100正常工作的情况下，还能够引导电缆束沿预设方向铺设，防止电缆束发生剧烈晃动。套筒600被固定安装在塔筒400内部，具体地可以采用支架固定等方式，套筒600的位置不动，并且套筒600与电缆保护装置100之间的间隙，可以允许电缆保护装置100在塔筒400内跟着电缆200一起上下运动时，而避免电缆保护装置100和套筒600相互之间产生摩擦阻力，从而便于电缆200在扭转的时候带动电缆保护装置100上下运动。
可以理解的是，套筒600和电缆保护装置100的相对位置在此不做限定，此处为了防止电缆200发生扭转过程中直接撞击套筒600，令电缆200和套筒600发生摩擦而造成电缆200的损害，当电缆200处于竖直状态时，套筒600内至少设置有一个电缆保护装置100，从而使得电缆200在发生扭转的过程中通过电缆保护装置100撞击套筒600，通过电缆保护装置100的保护作用，能够有效减少电缆200的损害，提高电缆200的使用寿命。其中，套筒600的个数在此不做限定，套筒600为一个，或者套筒600为多个，多个套筒600在电缆束的延伸方向上间隔分布。在本申请实施例中，电缆保护装置100包括固定环110和夹持件130，电缆200夹持在夹持件130内，通过夹持件130对电缆200的限位作用，使得电缆200之间始终基本保持在相互平行的状态，有助于提高电缆200的散热效果。此外，夹持件130能够相对固定环110的安装面113在预设范围内偏转，使得电缆200扭缆过程中，能够带动夹持件130相对固定环110 偏转，有效提高电缆200本身与夹持件130相对位置的稳定性，减小电缆200和夹持件130之间的摩擦，提高电缆200的使用寿命。
本领域技术人员应能理解，上述实施例均是示例性而非限制性的。在不同实施例中出现的不同技术特征可以进行组合，以取得有益效果。本领域技术人员在研究附图、说明书及权利要求书的基础上，应能理解并实现所揭示的实施例的其他变化的实施例。在权利要求书中，术语“包括”并不排除其他装置或步骤；不定冠词“一个”不排除多个；术语“第一”、“第二”用于标示名称而非用于表示任何特定的顺序。权利要求中的任何附图标记均不应被理解为对保护范围的限制。权利要求中出现的多个部分的功能可以由一个单独的硬件或软件模块来实现。某些技术特征出现在不同的从属权利要求中并不意味着不能将这些技术特征进行组合以取得有益效果。

Claims (18)

  1. 一种电缆保护装置(100)，其中，包括：
    固定环(110)，具有沿第一方向延伸的通孔(112)，所述固定环(110)包括沿其径向相对的内侧面和外侧面，所述外侧面包括两个以上安装面(113)，所述安装面(113)上包括垂直轴线；
    夹持件(130)，设置于所述安装面(113)，所述夹持件(130)至少能够围绕所述垂直轴线偏转，所述夹持件(130)具有至少一个沿所述第一方向贯穿的穿设孔(131)，所述电缆(200)夹持在所述穿设孔(131)中并相对所述固定环(110)围绕所述垂直轴线在预设范围内偏转。
  2. 根据权利要求1所述的电缆保护装置(100)，其中，所述夹持件(130)包括两个以上的子夹持件(135)，每一个所述子夹持件(135)均包括沿所述第一方向延伸的半槽，两个以上所述子夹持件(135)的所述半槽两两相互连接形成所述穿设孔(131)。
  3. 根据权利要求2所述的电缆保护装置(100)，其中，还包括：转轴(150)，沿所述垂直轴线设置于所述固定环(110)，所述夹持件(130)通过所述转轴(150)转动连接于所述固定环(110)。
  4. 根据权利要求3所述的电缆保护装置(100)，其中，所述夹持件(130)具有接触平面(136)，所述夹持件(130)通过所述接触平面(136)面对所述安装面(113)设置，并且所述夹持件(130)通过所述接触平面(136)在所述安装面(113)上围绕所述垂直轴线偏转。
  5. 根据权利要求4所述的电缆保护装置(100)，其中，所述子夹持件(135)为两个，分别为第一子夹持件和第二子夹持件，所述第一子夹持件和所述第二子夹持件上均设置有三个所述半槽，所述第二子夹持件与所述第一子夹持件的半槽相互配合形成三个所述穿设孔(131)。
  6. 根据权利要去5所述的电缆保护装置(100)，其中，
    所述第一子夹持件呈T形，具有相互垂直的第一臂(135a)和第二臂(135b)，所述接触平面(136)位于所述第一臂(135a)远离所述第二臂(135b)的一侧；
    所述第二子夹持件具有沿所述第一方向延伸的沟槽(135c)，以使所述第二臂 (135b)能够容纳于所述沟槽(135c)，使得所述第一夹持件和所述第二夹持件能够通过所述第二臂(135b)和所述沟槽(135c)相互连接。
  7. 根据权利要求2所述的电缆保护装置(100)，其中，
    所述固定环(110)的每一个所述安装面(113)沿所述固定环(110)的径向均设置有开口朝外的第一半环(111)；
    所述电缆保护装置(100)还包括夹持块(120)，设置于所述固定环(110)的所述安装面(113)，所述夹持块(120)上设置有第二半环(121)；
    所述第一半环(111)与所述第二半环(121)相对应，且所述第一半环(111)和所述第二半环(121)相互对接构成沿所述第一方向延伸的贯通孔(114)；
    所述夹持件(130)可转动地设置于所述贯通孔(114)内。
  8. 根据权利要求7所述的电缆保护装置(100)，其中，所述夹持件(130)的外表面为弧形表面，所述第一半环(111)和所述第二半环(121)的内表面与所述夹持件(130)的外表面相适配。
  9. 根据权利要求8所述的电缆保护装置(100)，其中，
    所述夹持件(130)呈球形；或者，
    所述夹持件(130)呈球台形，在所述第一方向上具有相对的第一端面(132)、第二端面(133)、以及连接于所述第一端面(132)和所述第二端面(133)之间的圆弧形面(134)。
  10. 根据权利要求7所述的电缆保护装置(100)，其中，所述子夹持件(135)为三个，每个所述子夹持件(135)沿其周向设置有两个所述半槽，三个所述子夹持件(135)的半槽相互拼接形成三个所述穿设孔(131)。
  11. 根据权利要求1所述的电缆保护装置(100)，其中，还包括减震圈(140)，沿所述第一方向套设于所述夹持件(130)外。
  12. 一种风力发电机组，其中，包括机舱(300)、塔筒(400)和权利要求1-11任一项所述的电缆保护装置(100)，所述机舱(300)绕竖直方向可转动地安装在所述塔筒(400)的顶部，所述塔筒(400)沿竖直方向延伸，所述电缆(200)自所述机舱(300)沿着所述塔筒(400)向下布置，所述电缆保护装置(100)安装于所述塔筒(400)内部的所述电缆(200)上。
  13. 根据权利要求12所述的风力发电机组，其中，所述电缆保护装置(100)为多 个，多个所述电缆保护装置(100)沿竖直方向间隔设置于所述电缆(200)上。
  14. 根据权利要求13所述的风力发电机组，其中，还包括支撑部件(500)，连接于所述电缆保护装置(100)中沿竖直方向上的最低电缆保护装置(100a)，以使所述最低电缆保护装置(100a)能够沿竖直方向往复移动。
  15. 根据权利要求14所述的风力发电机组，其中，所述支撑部件(500)包括：两个第一连接件(510)，沿水平方向间隔且平行地设置于所述塔筒(400)内部，所述第一连接件(510)包括相对的第一端(511)和第二端(512)，所述第一端(511)铰接于所述最低电缆保护装置(100a)，所述第二端(512)铰接于所述塔筒(400)内壁。
  16. 根据权利要求15所述的风力发电机组，其中，
    所述支撑部件(500)还包括第二连接件(520)，所述第二连接件(520)在第一方向上与所述第一连接件(510)异面设置，且所述第二连接件(520)与所述第一连接件(510)在水平面上的投影相交；
    所述第二连接件(520)包括相对的第一连接端(521)和第二连接端(522)，所述第一连接端(521)铰接于所述最低电缆保护装置(100a)，所述第二连接端(522)铰接于所述塔筒(400)内壁。
  17. 根据权利要求12所述的风力发电机组，其中，
    所述电缆(200)为多个，多个电缆(200)夹持于所述电缆保护装置(100)形成电缆束；
    还包括套筒(600)，套设于所述电缆束外，且所述套筒的孔径大于所述电缆保护装置(100)的直径。
  18. 根据权利要求17所述的风力发电机组，其中，所述套筒(600)为多个，多个所述套筒(600)在所述电缆束的延伸方向上间隔分布。
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US11460007B2 (en) 2022-10-04

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