Cable installation device for wind power generation and installation method thereof

Abstract

The present application relates to a cable installation device for wind power generation and an installation method thereof, and relates to the technical field of cable installation. A cable installation device for wind power generation includes a mounting plate, a protection mechanism, and a switching mechanism. A cable hole is provided on the mounting plate, and the protection mechanism is provided at the cable hole. The protection mechanism includes three or more protection units, each of which includes a transmission assembly, a security assembly, and a transportation and protection assembly. The transmission assembly has two usage modes that can be switched by the switching mechanism. The security assembly includes a first protection rod and a second protection rod, and the transportation and protection assembly includes a first fixed rod and a second fixed rod. In the first usage mode of the transmission assembly, the first and second protection rods elastically guide the cable to prevent the cable from being scratched or broken. In the second usage mode of the transmission assembly, the first and second fixed rods elastically support the cable to prevent the cable from being pulled and broken. The present application has the effect of reducing the probability of cable accidents.

Description

Technical Field

[0001] The present application relates to the technical field of cable installation, and in particular to a cable installation device for wind power generation and an installation method thereof. Background Art

[0002] Wind turbines are the main equipment for generating electricity using wind energy. Wind turbines convert wind energy into mechanical energy, and then use generators to convert mechanical energy into electrical energy. In order to transmit electrical energy to the power grid, cables need to be installed in the tower of the wind turbine.

[0003] During cable installation, the height of the cables is usually raised once each tower section is installed. Since there are a large number of cables and all the cables are usually concentrated in one area of ​​the tower, cable clamps are installed at fixed intervals on the inner wall of the tower to prevent the cables from rubbing against each other during lifting. For example, Chinese patent publication number CN220401324U discloses a cable bridge for a wind turbine generator set, in which the cables pass through cable clamps. The cable clamps can separate all the cables to prevent adjacent cables from being damaged by rubbing against each other during lifting. After the cables are lifted, the cable clamps can clamp and secure the cables.

[0004] In the above solution, although adjacent cables can be separated and the cables can be fixed after being lifted, the cables will rub against the cable clamps when being lifted, which poses a risk of abrasion. In addition, the cables are at risk of being pulled and damaged due to deformation of the tower during the service of the wind turbine, thereby increasing the probability of cable accidents. Summary of the Invention

[0005] In order to reduce the probability of cable accidents, the present application provides a cable installation device for wind power generation and an installation method thereof.

[0006] In a first aspect, the present application provides a cable installation device for wind power generation, which adopts the following technical solution:

[0007] A cable installation device for wind power generation includes a mounting plate, a protection mechanism, and a switching mechanism. The mounting plate is provided with a plurality of cable holes for passing cables. The cable holes are provided with multiple groups of protection mechanisms, which are arranged one-to-one at the cable holes. The protection mechanism includes three or more protection units, all of which are arranged around the cable holes. The protection units are arranged in protection grooves provided on the walls of the cable holes. The protection units include a transmission assembly, a security assembly, and a transport and protection assembly.

[0008] The transmission assembly is arranged in the protection groove. The security assembly includes a first protection rod and a second protection rod. The first protection rod and the second protection rod are respectively located on the upper and lower sides of the mounting plate. One end of the first protection rod is connected to the transmission assembly, and the other end is rotatably connected to the first roller. One end of the second protection rod is connected to the transmission assembly, and the other end is rotatably connected to the second roller.

[0009] The transport and protection assembly includes a first fixing rod and a second fixing rod, both of which are located between the first protection rod and the second protection rod. One end of the first fixing rod is connected to the transmission assembly, and the other end is connected to the first elastic block. One end of the second fixing rod is connected to the transmission assembly, and the other end is connected to the second elastic block.

[0010] The transmission assembly has two mutually switchable use modes. When the transmission assembly switches to the first use mode, the transmission assembly drives the first protection rod to make the first roller abut against the cable, and drives the second protection rod to make the second roller abut against the cable. The first protection rod and the second protection rod are arranged at an angle. The transmission assembly is used to put the first protection rod and the second protection rod in an elastic swinging state. The transmission assembly is used to make the swinging direction of the first protection rod consistent with the swinging direction of the second protection rod.

[0011] When the transmission assembly is switched to the second usage mode, the transmission assembly drives the first fixing rod to elastically press the first elastic block onto the cable, and drives the second fixing rod to elastically press the second elastic block onto the cable. The first fixing rod and the second fixing rod are arranged in parallel. The transmission assembly is used to put the first fixing rod and the second fixing rod into an elastic swinging state. The transmission assembly is used to make the swing direction of the first protective rod consistent with the swing direction of the second protective rod.

[0012] The switching mechanism is arranged on the mounting plate, and is used for synchronously switching between two usage modes of all transmission components.

[0013] Optionally, the transmission assembly includes a protective gear, a first transmission part, and a second transmission part. The protective gear is provided with a rotating shaft, and both ends of the rotating shaft are respectively located in two sliding grooves provided on the wall of the protective groove. A sliding block is slidably provided in the sliding groove, and a rotating hole is provided on the sliding block. The end of the rotating shaft is rotatably provided in the rotating hole.

[0014] The protection gear is connected to the first protection rod and the first fixed rod through the first transmission part, and is connected to the second protection rod and the second fixed rod through the second transmission part. When the protection gear is moved to switch the use mode, the protection gear causes the first protection rod and the second protection rod to swing in opposite directions through the first transmission part and the second transmission part, and the protection gear causes the first fixed rod and the second fixed rod to swing in opposite directions through the first transmission part and the second transmission part;

[0015] When the protection gear slides away from the cable, the first transmission part drives the first protection rod to make the first roller abut against the cable, and the second transmission part drives the second protection rod to make the second roller abut against the cable. When the protection gear slides close to the cable, the first transmission part drives the first fixing rod to squeeze the first elastic block against the cable, and the second transmission part drives the second fixing rod to squeeze the second elastic block against the cable.

[0016] When the protection gear rotates, under the transmission action of the first transmission part, the protection gear and the second transmission part, the first protection rod and the second protection rod can have the same swing direction, and the first fixing rod and the second fixing rod can have the same swing direction.

[0017] Optionally, the first transmission part includes a first rack and a first swinging gear, the first rack is a double-sided rack, the first rack is slidably connected to the mounting plate, one side of the first rack is engaged with the protective gear, and the other side is engaged with the first swinging gear, the first swinging gear is rotatably connected to the mounting plate, and the first protective rod and the first fixed rod are both connected to the first swinging gear.

[0018] Optionally, the second transmission part includes a second rack and a second swing gear, the second rack is a double-sided rack, the second rack is slidably connected to the mounting plate, one side of the second rack is engaged with the protective gear, and the other side is engaged with the second swing gear, the second swing gear is rotatably connected to the mounting plate, and the second protective rod and the second fixed rod are both connected to the second swing gear.

[0019] Optionally, protection torsion springs are provided on both sides of the protection gear, and both ends of the protection torsion springs are respectively connected to the protection gear and the sliding block, and the protection torsion springs are used to drive the protection gear to elastically reset after rotation.

[0020] Optionally, a stabilizing hole is provided on the sliding block, which passes through the rotating hole. An extrusion rod and an elastic member are slidingly arranged in the stabilizing hole. The elastic member abuts against the rotating shaft. One end of the extrusion rod abuts against the elastic member. A yield groove is provided on the groove wall near both ends of the sliding groove. The elastic member is used to drive the other end of the extrusion rod to insert into the yield groove. The two yield grooves are inclined on the sides close to each other to push the extrusion rod to make the elastic member press against the rotating shaft.

[0021] Optionally, the switching mechanism includes a push rod and a switching cylinder, a plurality of push rods are provided, and each of the push rods corresponds to the protection gear. One end of the push rod is connected to a connecting frame, and the connecting frame is connected to two sliding blocks corresponding to the protection gear. The push rod is slidably provided on the mounting plate, and the other end of the push rod is connected to a switching slider.

[0022] There are multiple switching cylinders, and they correspond one-to-one to the cable holes. The switching cylinder is slidably set in the switching groove opened on the mounting plate. The switching cylinder and the cable hole are coaxially arranged. A switching inclined push surface is provided on the inner side wall of the switching cylinder. The switching slider is slidably set in the switching slide groove opened on the switching inclined push surface. The sliding switching cylinder can drive the push rod to slide.

[0023] Optionally, all of the switching cylinders are commonly connected to a synchronization frame.

[0024] Optionally, the synchronization frame is connected to a fixing plate, which has a first fixing hole and a second fixing hole. A fixing bolt is passed through the first fixing hole or the second fixing hole, and the fixing bolt thread is passed through a fixing groove formed in the mounting plate. When the fixing bolt is passed through the first fixing hole, the switching cylinder drives the push rod to make the sliding block located at the end of the sliding groove away from the cable. When the fixing bolt is passed through the second fixing hole, the switching cylinder drives the push rod to make the sliding block located at the end of the sliding groove close to the cable.

[0025] In a second aspect, the present application provides a method for installing cables for wind power generation, which adopts the following technical solution:

[0026] A method for installing a cable for wind power generation, using the above-mentioned cable installation device for wind power generation, comprises the following steps:

[0027] S1: Complete the installation of one tower section and install an electric hoist on the inner wall of the installed tower;

[0028] S2: Install the mounting plate on the inner wall of the tower, switch the transmission assembly to the first usage mode by the switching mechanism, connect the multiple traction ropes on the electric hoist to the multiple cables one by one, and pass the traction ropes through the cable holes one by one;

[0029] S3: Reeling in the traction rope, causing the traction rope to pull the cable upward until the cable is lifted to the top of the installed tower section. The cable passes through the cable hole, which separates adjacent cables. The first roller and the second roller both abut against the cable, and the first protection rod and the second protection rod prevent the cable from contacting the hole wall of the cable hole.

[0030] S4: Temporarily fix the top of all cables to the top of the installed tower section;

[0031] S5: Repeat S1-S4 until the cable is installed. The switching mechanism switches the transmission assembly to the second usage mode, so that the first elastic block and the second elastic block are squeezed onto the cable to stabilize the installation state of the cable.

[0032] In summary, this application includes at least one of the following beneficial technical effects:

[0033] 1. The present application discloses a cable installation device for wind power generation, comprising a mounting plate, a protective mechanism, and a switching mechanism. A protective gear can be adjusted in position by sliding a switching cylinder to switch between two operating modes of a transmission assembly. When the protective gear slides away from the cable, the transmission assembly switches to a first operating mode, in which the protective gear drives a first protective rod and a second protective rod to elastically guide the cable, thereby reducing the cable from being scratched or broken during installation. When the protective gear slides closer to the cable, the transmission assembly switches to a second operating mode, in which the protective gear drives a first fixing rod and a second fixing rod to elastically support the cable, thereby reducing the cable from being pulled and broken after installation. This reduces the risk of cable damage and the probability of cable accidents.

[0034] 2. The present application provides a method for installing cables for wind power generation, in which the cables are installed along with the tower. By setting up cable installation equipment for wind power generation, adjacent cables are less likely to collide with each other. With the assistance of the first usage mode of the transmission component, the cables are less likely to be scratched and damaged during the installation process. With the assistance of the second usage mode of the transmission component, the cables are less likely to be pulled and damaged after installation, thereby reducing the risk of cable damage and the probability of cable accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural diagram of an embodiment of the present application;

[0036] Figure 2 It is a structural diagram of the security component and the transportation component;

[0037] Figure 3 yes Figure 2 Magnified view at point A in the middle;

[0038] Figure 4 It is a cross-sectional view of the assembly relationship between the sliding groove and the sliding block;

[0039] Figure 5 yes Figure 4 Magnified view at point B in the middle;

[0040] Figure 6 It is an exploded view of the assembly relationship between the fixing groove, the first fixing hole, the second fixing hole and the fixing bolt.

[0041] Description of reference numerals:

[0042] 1. Mounting plate; 11. Cable hole; 12. Protection slot; 13. Sliding slot; 14. Sliding block; 141. Rotation hole; 142. Stabilizing hole; 15. Extrusion rod; 16. Elastic member; 17. Gap slot; 18. Switching slot; 19. Fixing slot; 2. Protection mechanism; 3. Transmission assembly; 31. Protection gear; 311. Rotation shaft; 312. Protection torsion spring; 32. First transmission unit; 321. First rack; 322. First swing gear; 33. Second transmission unit; 331. Second rack; 332. Second swing gear; 4 , security component; 41, first protection rod; 411, first roller; 42, second protection rod; 421, second roller; 5, transportation and security component; 51, first fixing rod; 511, first elastic block; 52, second fixing rod; 521, second elastic block; 6, switching mechanism; 61, push rod; 611, connecting frame; 612, switching slider; 62, switching cylinder; 621, switching inclined push surface; 622, switching slide; 63, synchronization frame; 64, fixing plate; 641, first fixing hole; 642, second fixing hole; 65, fixing bolt. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-6 This application is described in further detail.

[0044] The embodiment of the present application discloses a cable installation device for wind power generation. Figure 1 and Figure 2 A cable installation device for wind power generation includes a mounting plate 1, a protection mechanism 2 and a switching mechanism 6. A plurality of cable holes 11 are provided on the mounting plate 1. The cable holes 11 pass through the mounting plate 1 and are used for cables to pass through. The cable holes 11 can separate adjacent cables. There are multiple groups of protection mechanisms 2, which are arranged one-to-one at the cable holes 11. The protection mechanism 2 includes three protection units. All protection units are evenly arranged around the cable holes 11. The protection units are arranged in protection grooves 12 opened on the wall of the cable holes 11. The protection units include a transmission component 3, a security component 4 and a transportation protection component 5.

[0045] Reference Figure 2 The transmission assembly 3 is disposed in the protection groove 12. The security assembly 4 includes a first protection rod 41 and a second protection rod 42, which are respectively located on the upper and lower sides of the mounting plate 1. One end of the first protection rod 41 is connected to the transmission assembly 3, and the other end is rotatably connected to the first roller 411. One end of the second protection rod 42 is connected to the transmission assembly 3, and the other end is rotatably connected to the second roller 421.

[0046] Reference Figure 3The transportation and protection component 5 includes a first fixing rod 51 and a second fixing rod 52. The first fixing rod 51 and the second fixing rod 52 are both located between the first protection rod 41 and the second protection rod 42. One end of the first fixing rod 51 is connected to the transmission component 3, and the other end is fixedly connected to the first elastic block 511. One end of the second fixing rod 52 is connected to the transmission component 3, and the other end is fixedly connected to the second elastic block 521.

[0047] Reference Figure 2 The transmission assembly 3 has two switchable usage modes. When the transmission assembly 3 is switched to the first usage mode, the transmission assembly 3 drives the first protective rod 41 to make the first roller 411 abut against the cable, and the transmission assembly 3 drives the second protective rod 42 to make the second roller 421 abut against the cable. The first protective rod 41 and the second protective rod 42 are arranged at an angle. The transmission assembly 3 is used to make the first protective rod 41 and the second protective rod 42 in an elastic swinging state, and the transmission assembly 3 is used to make the swinging direction of the first protective rod 41 consistent with the swinging direction of the second protective rod 42; in the first usage mode of the transmission assembly 3, the cable can slide relative to the mounting plate 1 through the first roller 411 and the second roller 421, which is convenient for lifting and installing the cable. At the same time, when the cable shakes and deflects, it can drive the first protective rod 41 and the second protective rod 42 to swing. Since the swinging directions of the first protective rod 41 and the second protective rod 42 are consistent, the deflection angle of the cable can be slowed down.

[0048] Reference Figure 3 When the transmission assembly 3 switches to the second usage mode, the transmission assembly 3 drives the first fixing rod 51 to elastically squeeze the first elastic block 511 on the cable, and drives the second fixing rod 52 to elastically squeeze the second elastic block 521 on the cable. The first fixing rod 51 and the second fixing rod 52 are arranged in parallel. The transmission assembly 3 is used to make the first fixing rod 51 and the second fixing rod 52 in an elastic swinging state. The transmission assembly 3 is used to make the swinging direction of the first protective rod 41 consistent with the swinging direction of the second protective rod 42; in the second usage mode of the transmission assembly 3, the first fixing rod 51 and the second fixing rod 52 can stabilize the installation state of the cable and can form elastic support for the cable, so that the cable is not easily damaged when it is pulled due to deformation of the tower.

[0049] Reference Figure 2 The switching mechanism 6 is set on the mounting plate 1, and the switching mechanism 6 is used to synchronously switch the two usage modes of all transmission components 3.

[0050] During use, when installing the cables, all the cables are passed through the cable hole 11 one by one, and the switching mechanism 6 switches the use mode of the transmission assembly 3 to the first use mode, so that the first roller 411 and the second roller 421 can abut on the cable. During the lifting process of the cable, the cable hole 11 can separate adjacent cables to prevent adjacent cables from rubbing against each other. The first protective rod 41 and the second protective rod 42 are elastically supported around the cable to prevent the cable from being abraded against the hole wall of the cable hole 11. Moreover, since the first protective rod 41 abuts against the cable through the first roller 411 and the second protective rod 42 abuts against the cable through the second roller 421, the support of the cable by the first protective rod 41 and the second protective rod 42 is not easy to cause damage to the cable, thereby reducing the risk of cable abrasion during installation.

[0051] When the cable deviates to one side due to shaking during the lifting process, the part of the cable above the cable hole 11 can push the first protective rod 41, which is deviated to one side, to swing in the direction away from the axis of the cable hole 11. Since the transmission component 3 can make the first protective rod 41 and the second protective rod 42 have the same swinging direction, the second protective rod 42 below the first protective rod 41 can swing in the direction close to the axis of the cable hole 11 under the transmission action of the transmission component 3. The second protective rod 42 can push the part of the cable below the cable hole 11 to deflect, and can just make the deflection directions of the parts of the cable on both sides of the cable hole 11 opposite, thereby reducing the deflection angle of the cable and reducing the risk of the cable being damaged due to deflection during the lifting process.

[0052] After the cable is installed, the switching mechanism 6 switches the use mode of the transmission component 3 to the second use mode, so that the first roller 411 and the second roller 421 are away from the cable, and the first elastic block 511 and the second elastic block 521 are squeezed on the cable. At this time, the first fixing rod 51 and the second fixing rod 52 are in a parallel state, and the first fixing rod 51 through the first elastic block 511 and the second fixing rod 52 through the second elastic block 521 can provide elastic support to the cable; when the tower is deformed, the cable between the two adjacent tower sections will be subjected to the pulling force of the tower deformation. Since the transmission component 3 can make the first fixing rod 51 and the second fixing rod 52 have the same swinging direction, the cable can drive the first fixing rod 51 and the second fixing rod 52 to swing in the same direction, so that the support position of the first fixing rod 51 and the second fixing rod 52 for the cable can move as the cable is pulled, reducing the risk of cable pulling damage.

[0053] Based on the above analysis, under the elastic swing protection of the first protective rod 41 and the second protective rod 42, the cable is not easily scratched or damaged during the installation process. Under the elastic support of the first fixing rod 51 and the second fixing rod 52, the cable is not easily pulled and damaged during the service of the wind turbine, thereby reducing the probability of cable accidents.

[0054] Specifically, refer to Figure 3 The transmission assembly 3 includes a protection gear 31 , a first transmission part 32 and a second transmission part 33 .

[0055] Reference Figure 3 、 Figure 4 and Figure 5 A rotating shaft 311 is fixedly provided on the protective gear 31, and the two ends of the rotating shaft 311 are respectively located in two sliding grooves 13 opened on the wall of the protective groove 12. A sliding block 14 is slidingly arranged in the sliding groove 13, and a rotating hole 141 is opened on the sliding block 14. The end of the rotating shaft 311 is rotatably set in the rotating hole 141, so that the protective gear 31 can not only rotate relative to the mounting plate 1, but also slide relative to the mounting plate 1.

[0056] Reference Figure 3 The protection gear 31 is connected to the first protection rod 41 and the first fixed rod 51 through the first transmission part 32, and the protection gear 31 is connected to the second protection rod 42 and the second fixed rod 52 through the second transmission part 33. When the protection gear 31 is moved to switch the usage mode, the protection gear 31 makes the first protection rod 41 and the second protection rod 42 swing in opposite directions through the first transmission part 32 and the second transmission part 33, and the protection gear 31 makes the first fixed rod 51 and the second fixed rod 52 swing in opposite directions through the first transmission part 32 and the second transmission part 33.

[0057] When the protective gear 31 slides away from the cable, the first transmission part 32 drives the first protective rod 41 to make the first roller 411 abut against the cable, and the second transmission part 33 drives the second protective rod 42 to make the second roller 421 abut against the cable, so as to switch to the first usage mode of the transmission component 3; when the protective gear 31 slides close to the cable, the first transmission part 32 drives the first fixed rod 51 to squeeze the first elastic block 511 onto the cable, and the second transmission part 33 drives the second fixed rod 52 to squeeze the second elastic block 521 onto the cable, so as to switch to the second usage mode of the transmission component 3.

[0058] When the protection gear 31 rotates, under the transmission action of the first transmission part 32, the protection gear 31 and the second transmission part 33, the first protection rod 41 and the second protection rod 42 can have the same swing direction, and the first fixed rod 51 and the second fixed rod 52 can have the same swing direction, so that the cable is not prone to a large deflection angle when lifted, and the cable can move the support position when pulled after installation.

[0059] Slide the sliding block 14 to move the protective gear 31. The protective gear 31 can drive the first protective rod 41 and the first fixed rod 51 to swing through the first transmission part 32, and the protective gear 31 can drive the second protective rod 42 and the second fixed rod 52 to swing through the second transmission part 33. During this process, the swinging directions of the first protective rod 41 and the second protective rod 42 are opposite, and the swinging directions of the first fixed rod 51 and the second fixed rod 52 are opposite. By adjusting the position of the protective gear 31, the first protective rod 41 and the second protective rod 42 can support the cable or the first fixed rod 51 and the second fixed rod 52 can support the cable, so that the two usage modes of the transmission assembly 3 can be switched by moving the protective gear 31.

[0060] In the first usage mode, the first protection rod 41 can drive the second protection rod 42 to swing in the same direction through the first transmission part 32, the protection gear 31 and the second transmission part 33, and vice versa. In the second usage mode, the first fixed rod 51 can drive the second fixed rod 52 to swing in the same direction through the first transmission part 32, the protection gear 31 and the second transmission part 33, and vice versa, so that the deflection and tensile movement of the cable can be protected.

[0061] Specifically, refer to Figure 3 The first transmission part 32 includes a first rack 321 and a first swing gear 322 .

[0062] The first rack 321 is a double-sided rack, and the first rack 321 is slidably connected to the mounting plate 1. One side of the first rack 321 is engaged with the protective gear 31, and the other side is engaged with the first swing gear 322. The first swing gear 322 is rotatably connected to the mounting plate 1, and the first protective rod 41 and the first fixed rod 51 are both fixed to the first swing gear 322.

[0063] When the protection gear 31 moves, the protection gear 31 can push the first rack 321 to slide, and the first rack 321 can drive the first swinging gear 322 to rotate, so that by moving the protection gear 31, the first roller 411 can be switched to abut against the cable or the first elastic block 511 can be switched to squeeze on the cable; when the first protection rod 41 or the first fixed rod 51 swings, the first protection rod 41 or the first fixed rod 51 can drive the first rack 321 to slide through the first swinging gear 322, and the first rack 321 can drive the protection gear 31 to rotate, and the protection gear 31 can drive the second protection rod 42 or the second fixed rod 52 to swing through the second transmission part 33, and the swinging direction of the second protection rod 42 is consistent with the swinging direction of the first protection rod 41, and the swinging direction of the second fixed rod 52 is consistent with the swinging direction of the first fixed rod 51, so that the first protection rod 41 can drive the second protection rod 42 to swing in the same direction, and the first fixed rod 51 can drive the second fixed rod 52 to swing in the same direction.

[0064] Specifically, refer to Figure 3 The second transmission part 33 includes a second rack 331 and a second swing gear 332.

[0065] The second rack 331 is a double-sided rack, and the second rack 331 is slidably connected to the mounting plate 1. One side of the second rack 331 is engaged with the protective gear 31, and the other side is engaged with the second swing gear 332. The second swing gear 332 is rotatably connected to the mounting plate 1, and the second protective rod 42 and the second fixed rod 52 are both fixedly connected to the second swing gear 332.

[0066] When the protection gear 31 moves, the protection gear 31 can push the second rack 331 to slide, and the second rack 331 can drive the second swinging gear 332 to rotate, so that by moving the protection gear 31, the second roller 421 can be switched to abut against the cable or the second elastic block 521 can be switched to squeeze on the cable; when the second protection rod 42 or the second fixed rod 52 swings, the second protection rod 42 or the second fixed rod 52 can drive the second rack 331 to slide through the second swinging gear 332, and the second rack 331 can drive the protection gear 31 to rotate, and the protection gear 31 can drive the first protection rod 41 or the first fixed rod 51 to swing through the first transmission part 32, and the swinging direction of the first protection rod 41 is consistent with the swinging direction of the second protection rod 42, and the swinging direction of the first fixed rod 51 is consistent with the swinging direction of the second fixed rod 52, so that the second protection rod 42 can drive the first protection rod 41 to swing in the same direction, and the second fixed rod 52 can drive the first fixed rod 51 to swing in the same direction.

[0067] Reference Figure 3 In order to enable the first protective rod 41, the second protective rod 42, the first fixed rod 51 and the second fixed rod 52 to swing elastically, protective torsion springs 312 are provided on both sides of the protective gear 31. The protective torsion springs 312 are sleeved on the rotating shaft 311. The two ends of the protective torsion spring 312 are respectively fixedly connected to the protective gear 31 and the sliding block 14. The protective torsion spring 312 is used to drive the protective gear 31 to elastically reset after rotation.

[0068] By providing the protection torsion spring 312, the protection gear 31 can be affected by the elastic force of the protection torsion spring 312 after rotation. The elastic force of the protection torsion spring 312 can reset the protection gear 31, and also enable the first protection rod 41, the second protection rod 42, the first fixing rod 51 and the second fixing rod 52 to swing elastically.

[0069] Reference Figure 4 and Figure 5To prevent the protective gear 31 from rotating during movement, a stabilizing hole 142 is defined on the top surface of the sliding block 14. The stabilizing hole 142 extends through the rotating hole 141. An extrusion rod 15 and an elastic member 16 are vertically slidably disposed within the stabilizing hole 142. The elastic member 16 abuts against the rotating shaft 311. One end of the extrusion rod 15 abuts against the elastic member 16. A clearance groove 17 is defined on the groove walls near both ends of the sliding groove 13. The elastic member 16 is used to drive the other end of the extrusion rod 15 into the clearance groove 17. The two clearance grooves 17 are inclined on their adjacent sides to push the extrusion rod 15 and force the elastic member 16 against the rotating shaft 311. In this embodiment, the elastic member 16 is an elastic rubber block.

[0070] When the sliding block 14 slides to both ends of the sliding groove 13, the elastic member 16 can push the end of the extrusion rod 15 into the clearance groove 17 through elastic force, so that the elastic member 16 is not likely to hinder the rotation of the rotating shaft 311; when the sliding block 14 slides from one end of the sliding groove 13 to the other end, the inclined side of the clearance groove 17 can push the extrusion rod 15 to slide into the stabilizing hole 142, and the extrusion rod 15 can squeeze the elastic member 16 against the rotating shaft 311, so that the protective gear 31 is not likely to rotate during movement.

[0071] Specifically, refer to Figure 3 The switching mechanism 6 includes a push rod 61 and a switching cylinder 62 .

[0072] There are multiple push rods 61, and they correspond one-to-one to the protection gear 31. One end of the push rod 61 is fixedly connected to a connecting frame 611, and the connecting frame 611 is fixedly connected to the two sliding blocks 14 corresponding to the protection gear 31. The push rod 61 is slidably passed through the mounting plate 1, and the other end of the push rod 61 is fixedly connected to a switching slider 612.

[0073] Multiple switching cylinders 62 are provided, corresponding one to each cable hole 11. The switching cylinders 62 slide vertically within the switching slots 18 defined in the mounting plate 1. The switching cylinders 62 are coaxially arranged with the cable hole 11. An inclined switching push surface 621 is provided on the inner sidewall of the switching cylinder 62. The switching slider 612 slides within a switching slide slot 622 defined on the inclined switching push surface 621. The sliding switching cylinder 62 drives the push rod 61 to slide. In this embodiment, the downward movement of the switching cylinder 62 drives the protective gear 31 toward the cable, while the upward movement of the switching cylinder 62 drives the protective gear 31 away from the cable.

[0074] When it is necessary to switch the use mode of the transmission assembly 3, the sliding switching cylinder 62, the switching inclined push surface 621 of the switching cylinder 62 can drive the push rod 61 to slide through the switching slide groove 622 and the switching slider 612, so that the push rod 61 can drive the sliding block 14 to slide, thereby facilitating the driving of the protection gear 31 to move.

[0075] Reference Figure 1In order to facilitate the synchronous sliding of all the switching cylinders 62, all the switching cylinders 62 are fixedly connected to a synchronous frame 63. The synchronous frame 63 can connect all the switching cylinders 62 into one body, so that all the switching cylinders 62 can move synchronously by moving the synchronous frame 63.

[0076] Reference Figure 6 In order to facilitate fixing the position of the synchronous frame 63 after movement, the synchronous frame 63 is fixedly connected to a fixing plate 64, which is arranged vertically. A first fixing hole 641 and a second fixing hole 642 are opened on the fixing plate 64 in the vertical direction. The second fixing hole 642 is located above the first fixing hole 641. A fixing bolt 65 is passed through the first fixing hole 641 or the second fixing hole 642. The fixing bolt 65 is threaded into the fixing groove 19 opened on the mounting plate 1.

[0077] When the fixing bolt 65 is inserted into the first fixing hole 641, the switching cylinder 62 drives the push rod 61 to make the sliding block 14 located at the end of the sliding groove 13 away from the cable. When the fixing bolt 65 is inserted into the second fixing hole 642, the switching cylinder 62 drives the push rod 61 to make the sliding block 14 located at the end of the sliding groove 13 close to the cable.

[0078] After the synchronous frame 63 moves the position of the switching cylinder 62, the position of the synchronous frame 63 can be fixed by passing the fixing bolt 65 through the first fixing hole 641 or the second fixing hole 642 and threading it into the fixing groove 19, so that the position of the protective gear 31 after moving is easy to fix.

[0079] The implementation principle of a cable installation device for wind power generation in an embodiment of the present application is as follows: when in use, the cable is passed through the cable hole 11, and the sliding synchronization frame 63 is driven to drive the switching cylinder 62 to slide, so that the use mode of the transmission component 3 is switched to the first use mode, and the protection gear 31 drives the first protection rod 41 to make the first roller 411 abut against the cable, and the protection gear 31 drives the second protection rod 42 to make the second roller 421 abut against the cable. Under the elastic force of the protection torsion spring 312, the first protection rod 41 and the second protection rod 42 are in an elastic swinging state, and the first protection rod 41 and the second protection rod 42 prevent the cable from contacting the hole wall of the cable hole 11, and guide the cable Lifting, the first protective rod 41 and the second protective rod 42 swing elastically with the deflection of the cable to reduce the deflection angle of the cable. After the cable is installed, the sliding synchronization frame 63 switches the use mode of the transmission component 3 to the second use mode. The protection gear 31 drives the first fixed rod 51 to squeeze the first elastic block 511 on the cable, and the protection gear 31 drives the second fixed rod 52 to squeeze the second elastic block 521 on the cable. The first fixed rod 51 and the second fixed rod 52 form elastic support for the cable, so that the support position of the cable can be moved, thereby reducing the risk of abrasion, breakage and pulling damage to the cable, thereby reducing the probability of cable accidents.

[0080] The embodiment of the present application also discloses a method for installing cables for wind power generation.

[0081] A method for installing a cable for wind power generation, using the above-mentioned cable installation device for wind power generation, comprises the following steps:

[0082] S1: Complete the installation of one tower section and install an electric hoist on the inner wall of the installed tower;

[0083] S2: Install the mounting plate 1 on the inner wall of the tower, slide the synchronous frame 63 to switch the transmission assembly 3 to the first use mode, connect the multiple traction ropes on the electric hoist to the multiple cables one by one, and pass the traction ropes through the cable holes 11 one by one;

[0084] S3: Reel in the traction rope, so that the traction rope pulls the cable upward until the cable is lifted to the top of the installed tower section. The cable passes through the cable hole 11, and the cable hole 11 separates adjacent cables. The first roller 411 and the second roller 421 both abut against the cable, and the first protection rod 41 and the second protection rod 42 prevent the cable from contacting the hole wall of the cable hole 11.

[0085] S4: Temporarily fix the top of all cables to the top of the installed tower section;

[0086] S5: Repeat S1-S4 until the cable is installed. Slide the synchronous frame 63 to switch the transmission assembly 3 to the second use mode, so that the first elastic block 511 and the second elastic block 521 are squeezed on the cable to stabilize the installation state of the cable.

[0087] The height of the cable is raised by an electric hoist, and the cable is raised once each time a tower section is installed. The cable is temporarily fixed using existing technology, such as a wind turbine cable bridge mentioned in the background technology.

[0088] The cable hole 11 separates adjacent cables to prevent adjacent cables from being damaged. The sliding synchronization frame 63 enables the switching cylinder 62 to drive the protection gear 31 to move so that the transmission assembly 3 is in the first usage mode. The first protection rod 41 and the second protection rod 42 elastically guide the cable. The first protection rod 41 and the second protection rod 42 make it difficult for the cable to rub against the hole wall of the cable hole 11 during the lifting process, thereby reducing the risk of cable damage.

[0089] The first and second protective rods 41, 42 elastically swing in the same direction, reducing the risk of cable breakage and making the cable less susceptible to damage during installation. After the cable is installed, the synchronous frame 63 is slid to position the transmission assembly 3 in the second operating mode. The first and second fixing rods 51, 52 elastically support the cable to stabilize its installation and prevent it from being pulled and broken, thereby reducing the risk of cable damage during installation and the probability of cable accidents.

[0090] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cable installation device for wind power generation, characterized in that: The invention comprises a mounting plate (1), a protection mechanism (2) and a switching mechanism (6); a plurality of cable holes (11) are provided on the mounting plate (1); the cable holes (11) are used for passing cables; a plurality of protection mechanisms (2) are provided and are arranged one-to-one at the cable holes (11); the protection mechanism (2) comprises more than three protection units; all the protection units are arranged around the cable holes (11); the protection units are arranged in protection grooves (12) provided on the wall of the cable holes (11); the protection units comprise a transmission component (3), a security component (4) and a transport protection component (5); The transmission assembly (3) is arranged in the protection groove (12), and the security assembly (4) includes a first protection rod (41) and a second protection rod (42). The first protection rod (41) and the second protection rod (42) are respectively located on the upper and lower sides of the mounting plate (1). One end of the first protection rod (41) is connected to the transmission assembly (3), and the other end is rotatably connected to the first roller (411). One end of the second protection rod (42) is connected to the transmission assembly (3), and the other end is rotatably connected to the second roller (421). The transport and protection assembly (5) comprises a first fixing rod (51) and a second fixing rod (52), both of which are located between the first protection rod (41) and the second protection rod (42), one end of the first fixing rod (51) is connected to the transmission assembly (3), and the other end is connected to the first elastic block (511), and one end of the second fixing rod (52) is connected to the transmission assembly (3), and the other end is connected to the second elastic block (521); The transmission assembly (3) has two mutually switchable use modes. When the transmission assembly (3) is switched to the first use mode, the transmission assembly (3) drives the first protection rod (41) to make the first roller (411) abut against the cable, and drives the second protection rod (42) to make the second roller (421) abut against the cable. The first protection rod (41) and the second protection rod (42) are arranged at an angle. The transmission assembly (3) is used to make the first protection rod (41) and the second protection rod (42) in an elastic swing state. The transmission assembly (3) is used to make the swing direction of the first protection rod (41) consistent with the swing direction of the second protection rod (42). When the transmission assembly (3) switches to the second use mode, the transmission assembly (3) drives the first fixing rod (51) to elastically press the first elastic block (511) onto the cable, and drives the second fixing rod (52) to elastically press the second elastic block (521) onto the cable, the first fixing rod (51) and the second fixing rod (52) are arranged in parallel, the transmission assembly (3) is used to make the first fixing rod (51) and the second fixing rod (52) in an elastic swing state, and the transmission assembly (3) is used to make the swing direction of the first protection rod (41) consistent with the swing direction of the second protection rod (42); The switching mechanism (6) is arranged on the mounting plate (1), and the switching mechanism (6) is used to synchronously switch between two usage modes of all transmission components (3).

2. A cable installation device for wind power generation according to claim 1, characterized in that: The transmission assembly (3) comprises a protective gear (31), a first transmission part (32) and a second transmission part (33); a rotating shaft (311) is provided on the protective gear (31); two ends of the rotating shaft (311) are respectively located in two sliding grooves (13) provided on the groove wall of the protective groove (12); a sliding block (14) is slidably provided in the sliding groove (13); a rotating hole (141) is provided on the sliding block (14); and an end of the rotating shaft (311) is rotatably provided in the rotating hole (141); The protection gear (31) is connected to the first protection rod (41) and the first fixed rod (51) through the first transmission part (32), and the protection gear (31) is connected to the second protection rod (42) and the second fixed rod (52) through the second transmission part (33). When the protection gear (31) is moved to switch the use mode, the protection gear (31) causes the first protection rod (41) and the second protection rod (42) to swing in opposite directions through the first transmission part (32) and the second transmission part (33), and the protection gear (31) causes the first fixed rod (51) and the second fixed rod (52) to swing in opposite directions through the first transmission part (32) and the second transmission part (33); When the protection gear (31) slides away from the cable, the first transmission part (32) drives the first protection rod (41) to make the first roller (411) abut against the cable, and the second transmission part (33) drives the second protection rod (42) to make the second roller (421) abut against the cable; when the protection gear (31) slides close to the cable, the first transmission part (32) drives the first fixing rod (51) to make the first elastic block (511) squeeze against the cable, and the second transmission part (33) drives the second fixing rod (52) to make the second elastic block (521) squeeze against the cable; When the protection gear (31) rotates, under the transmission action of the first transmission part (32), the protection gear (31) and the second transmission part (33), the first protection rod (41) and the second protection rod (42) can have the same swing direction, and the first fixing rod (51) and the second fixing rod (52) can have the same swing direction.

3. A cable installation device for wind power generation according to claim 2, characterized in that: The first transmission part (32) comprises a first rack (321) and a first swing gear (322); the first rack (321) is a double-sided rack; the first rack (321) is slidably connected to the mounting plate (1); one side of the first rack (321) is meshed with the protection gear (31); the other side is meshed with the first swing gear (322); the first swing gear (322) is rotationally connected to the mounting plate (1); the first protection rod (41) and the first fixing rod (51) are both connected to the first swing gear (322).

4. The cable installation device for wind power generation according to claim 2, characterized in that: The second transmission part (33) includes a second rack (331) and a second swing gear (332). The second rack (331) is a double-sided rack. The second rack (331) is slidably connected to the mounting plate (1). One side of the second rack (331) is engaged with the protection gear (31), and the other side is engaged with the second swing gear (332). The second swing gear (332) is rotationally connected to the mounting plate (1). The second protection rod (42) and the second fixed rod (52) are both connected to the second swing gear (332).

5. The cable installation device for wind power generation according to claim 2, characterized in that: Both sides of the protection gear (31) are provided with protection torsion springs (312), and the two ends of the protection torsion spring (312) are respectively connected to the protection gear (31) and the sliding block (14). The protection torsion spring (312) is used to drive the protection gear (31) to elastically reset after rotation.

6. The cable installation device for wind power generation according to claim 2, characterized in that: The sliding block (14) is provided with a stabilizing hole (142), which penetrates into the rotating hole (141). An extrusion rod (15) and an elastic member (16) are slidably arranged in the stabilizing hole (142). The elastic member (16) abuts against the rotating shaft (311). One end of the extrusion rod (15) abuts against the elastic member (16). The groove walls of the sliding groove (13) near both ends are provided with a clearance groove (17). The elastic member (16) is used to drive the other end of the extrusion rod (15) to be inserted into the clearance groove (17). The two clearance grooves (17) are inclined on the sides close to each other to push the extrusion rod (15) so that the elastic member (16) abuts against the rotating shaft (311).

7. The cable installation device for wind power generation according to claim 2, characterized in that: The switching mechanism (6) comprises a push rod (61) and a switching cylinder (62). A plurality of push rods (61) are provided and correspond one to one with the protection gear (31). One end of the push rod (61) is connected to a connecting frame (611). The connecting frame (611) is connected to two sliding blocks (14) corresponding to the protection gear (31). The push rod (61) is slidably provided on the mounting plate (1). The other end of the push rod (61) is connected to a switching slider (612). A plurality of switching cylinders (62) are provided, and correspond one to one with the cable holes (11). The switching cylinder (62) is slidably provided in the switching groove (18) provided on the mounting plate (1). The switching cylinder (62) and the cable hole (11) are coaxially provided. A switching inclined push surface (621) is provided on the inner side wall of the switching cylinder (62). The switching slider (612) is slidably provided in the switching slide groove (622) provided on the switching inclined push surface (621). The sliding switching cylinder (62) can drive the push rod (61) to slide.

8. The cable installation device for wind power generation according to claim 7, characterized in that: All the switching cylinders (62) are commonly connected to a synchronization frame (63).

9. The cable installation device for wind power generation according to claim 8, characterized in that: The synchronous frame (63) is connected to a fixing plate (64), and a first fixing hole (641) and a second fixing hole (642) are provided on the fixing plate (64). A fixing bolt (65) is passed through the first fixing hole (641) or the second fixing hole (642). The fixing bolt (65) is threadedly passed through a fixing groove (19) provided on the mounting plate (1). When the fixing bolt (65) is passed through the first fixing hole (641), the switching cylinder (62) drives the push rod (61) to make the sliding block (14) located at an end of the sliding groove (13) away from the cable. When the fixing bolt (65) is passed through the second fixing hole (642), the switching cylinder (62) drives the push rod (61) to make the sliding block (14) located at an end of the sliding groove (13) close to the cable.

10. A method for installing a cable for wind power generation, characterized in that: Using the cable installation device for wind power generation according to any one of claims 1 to 9 above, The following steps are involved: S1: Complete the installation of one tower section and install an electric hoist on the inner wall of the installed tower; S2: The mounting plate (1) is mounted on the inner wall of the tower, the switching mechanism (6) switches the transmission assembly (3) to the first use mode, the multiple traction ropes on the electric hoist are connected to the multiple cables one by one, and the traction ropes are passed through the cable holes (11) one by one; S3: Reeling in the traction rope, so that the traction rope pulls the cable upward until the cable is lifted to the top of a section of the installed tower, the cable passes through the cable hole (11), the cable hole (11) separates adjacent cables, the first roller (411) and the second roller (421) both abut against the cable, and the first protection rod (41) and the second protection rod (42) prevent the cable from contacting the hole wall of the cable hole (11); S4: Temporarily fix the top of all cables to the top of the installed tower section; S5: Repeat S1-S4 until the cable is installed. The switching mechanism (6) switches the transmission assembly (3) to the second use mode, so that the first elastic block (511) and the second elastic block (521) are squeezed on the cable to stabilize the installation state of the cable.

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