CN213671933U - Wind-powered electricity generation blade root combination drilling system - Google Patents

Abstract

The utility model discloses a wind-powered electricity generation blade root combination drilling system, including supporting platform and drilling mechanism, drilling mechanism includes support column, angle adjusting device, rotatory flexible subassembly and flexible control assembly, the support column sets up supporting platform is last, angle adjusting device sets up the top surface of support column. The utility model discloses a wind-powered electricity generation blade root combination drilling system is equipped with the rotatory telescopic machanism that can install a plurality of brill guns, can once only drill a plurality of mounting holes, promotes the drilling efficiency of wind-powered electricity generation blade root by a wide margin, is showing and is reducing potential safety hazard and dust pollution; the special positioning ferrule is arranged, so that the drilling gun can be accurately guided to drill at the correct position, the drilling accuracy is improved, and the reject ratio is effectively reduced; and multiple position locking mechanisms are arranged on different mechanisms, so that the punching position can be accurately adjusted, and the phenomenon that the drilling gun deviates in the punching process to influence the accuracy can be avoided.

Description

Wind-powered electricity generation blade root combination drilling system

Technical Field

The utility model relates to a wind-powered electricity generation blade processing equipment field, concretely relates to wind-powered electricity generation blade root combination drilling system.

Background

With the improvement of environmental awareness of people and the maturity of wind power technology, wind power is used as an environment-friendly and clean renewable energy source, more and more areas using wind power are provided, and areas with abundant wind power resources in China are built in wind power plants and need a large number of wind generating sets. The wind power blade is used as an important component in a wind generating set, and is very heavy in weight and very high in processing and transportation difficulty due to the fact that the diameter and the length are very large and metal is adopted for manufacturing. Especially to the processing of blade root position, in order to fix the blade to wheel hub, the blade root need drill out a plurality of mounting holes, because blade root size and weight are very big, adopt traditional processing method to the location of mounting hole accurate inadequately, can only open at every turn and bore a mounting hole, and drilling efficiency is low, easily causes potential safety hazard and dust pollution repeatedly.

Disclosure of Invention

Aiming at the problems of inaccurate drilling position and low efficiency of the processing method in the prior art, the novel wind power blade and blade root combined drilling system is provided with the positioning ferrule, the drilling position can be accurately determined, the telescopic drilling mechanism can be rotated, a plurality of drilling guns can be installed, a plurality of holes can be drilled simultaneously, the positions of the drilling guns can be adjusted according to the diameter of the blade root, and the processing requirements of wind power blades with different sizes can be met within a certain range.

The utility model provides a technical scheme that its technical problem adopted is: a wind power blade and blade root combined drilling system comprises a supporting platform and a drilling mechanism, wherein the drilling mechanism comprises a supporting column, an angle adjusting device, a rotary telescopic component and a telescopic control component, the supporting column is arranged on the supporting platform, and the angle adjusting device is arranged on the top surface of the supporting column;

the angle adjusting device is provided with a cuboid shell, a plurality of bevel gears are arranged in the shell from top to bottom, the bevel gears are fixed by the bevel gears penetrating through the shell along the front-back direction, the adjacent bevel gears are mutually meshed, the uppermost bevel gear is arranged as an upper bevel gear, a gear shaft for fixing the upper bevel gear is a first gear shaft, the upper bevel gear is connected with a rotary telescopic assembly through the first gear shaft, the lower bevel gear is arranged oppositely below the upper bevel gear, a gear shaft for fixing the lower bevel gear is a second gear shaft, a ratchet wheel and a pawl are arranged outside the shell, the lower bevel gear is connected with the ratchet wheel through the second gear shaft, and the tail end of the second gear shaft is also connected with a corner plate;

the rotary telescopic assembly is arranged on the front side of the base shell and comprises a rotary rod and a telescopic rod, the rotary rod comprises a circular connecting block and a telescopic sleeve, the circular connecting block is fixedly sleeved on a first gear shaft in a sleeved mode, so that the rotary telescopic assembly is driven by the first gear shaft to rotate, the telescopic sleeve is arranged along the radial direction of the circular connecting block, the telescopic sleeve is provided with more than two telescopic rods, the telescopic rods are uniformly distributed on the edge of the circular connecting block, the number of the telescopic rods corresponds to the number of the telescopic sleeves and are inserted into the telescopic sleeve, each telescopic rod comprises a telescopic rod body inserted into the telescopic sleeve and a guide disc arranged at the free end of the rod body, and a drill gun through hole for placing a drill gun is formed in the middle of each guide disc;

the telescopic control component comprises an auxiliary telescopic motor, a covering disc, a threaded rod, a first connecting rod, a second connecting rod and a third connecting rod, wherein three auxiliary long rods distributed in a circumferential array are arranged on the circular connecting block, the auxiliary telescopic motor and the covering disc are fixed in front of the circular connecting block by the auxiliary long rods, the covering disc can reciprocate along the auxiliary long rods, the threaded rod penetrates through the covering disc and is inserted into the auxiliary telescopic motor, the covering disc is provided with internal threads matched with the threads of the threaded rod, so that the auxiliary telescopic motor can drive the covering disc to move back and forth through the threaded rod, one end of the first connecting rod is movably connected to a sleeve of the rotating rod, the other end of the first connecting rod is movably connected with one end of the second connecting rod, and the other end of the second connecting rod is movably connected to the free end of the telescopic rod body, one end of the third connecting rod is movably connected to the edge of the covering disc, the other end of the third connecting rod is movably connected with the first connecting rod, and a connecting groove for connecting the third connecting rod is formed in the first connecting rod.

The utility model provides a technical scheme that its technical problem adopted further still includes:

according to the wind power blade and blade root combined drilling system, the drill sleeve for keeping the direction of the drill bit is inserted into the drill gun through hole of the guide disc, and the drill sleeve extends out of the drill gun through hole to the front of the guide disc.

According to the wind power blade and blade root combined drilling system, the drill gun retainer is arranged behind the guide disc, the drill gun retainer is in a cylindrical shape with an opening matched with the shape of a drill gun body, a plurality of slots formed in the length direction are formed in the drill gun retainer, and the slots are matched with the size of a handle of a drill gun.

According to the wind power blade and blade root combined drilling system, more than four sliding rail wheels are arranged at the bottom of the supporting column and are symmetrically arranged on two sides of the supporting column respectively, the supporting column is further provided with a sliding rail motor for driving the sliding rail wheels, a sliding rail groove is formed in the supporting platform, a sliding rail is arranged in the sliding rail groove in the front-back direction, and the supporting column can move back and forth along the sliding rail in the sliding rail groove.

The wind power blade and root combined drilling system is further provided with a positioning ferrule, an arc-shaped boss for placing the positioning ferrule is arranged at the edge of the supporting platform, the top surface of the arc-shaped boss is an arc surface matched with the positioning ferrule in shape, the positioning ferrule is placed on the arc-shaped boss, and the drilling mechanism is arranged behind the positioning ferrule; the shape and the size of location lasso coincide with the shape and the size of wind-powered electricity generation blade root, be equipped with the locating element on the location lasso, be equipped with the holding ring of instructing the drilling position on the locating element, the quantity of locating element equals the quantity of the predetermined drilling of wind-powered electricity generation blade root, the locating element along location lasso evenly distributed.

According to the wind power blade and blade root combined drilling system, a second lifting device and a bottom plate are arranged below the supporting platform, and the second lifting device is fixedly installed on the bottom plate and pushes the supporting platform to lift.

According to the wind power blade and blade root combined drilling system, the two sides of the second lifting device are respectively provided with the cross-cut type telescopic frames, the two sides of the bottom surface of the supporting platform are respectively provided with the first sliding grooves which are symmetrically arranged, the two sides of the bottom plate are respectively provided with the second sliding grooves corresponding to the first sliding grooves, the two first supporting rods are slidably inserted into the first sliding grooves and are respectively connected with the upper ends of the cross-cut type telescopic frames, the two second supporting shafts are slidably inserted into the second sliding grooves and are respectively connected with the lower ends of the cross-cut type telescopic frames, the cross rods are arranged between the cross points of the cross-cut type telescopic frames, and the second lifting device is connected with the cross rods and pushes the cross rods to lift.

According to the wind power blade and blade root combined drilling system, the second lifting device is a hydraulic lifting column or a ball screw arranged in the vertical direction.

According to the wind power blade and blade root combined drilling system, more than two groups of wheels are arranged on the bottom plate, two wheels are arranged in each group, and the two wheels in the same group are symmetrically arranged on the left side and the right side of the bottom plate.

The wind power blade and root combined drilling system is further provided with a brake device, the brake device comprises a brake disc arranged on a wheel and a trapezoid support matched with the brake disc, the brake disc is provided with a plurality of circular through holes distributed in a circumferential array manner and a special-shaped through hole arranged at the center of the brake disc, the outer side surface of the center of the wheel is provided with a brake boss, the shape of the brake boss is matched with that of the special-shaped through hole, and the brake boss is inserted into the special-shaped through hole so that the brake disc is fixed on the wheel; the brake disc is characterized in that the trapezoid support is isosceles trapezoid, the four corners of the trapezoid support are provided with brake shafts perpendicular to the trapezoid support, the length of the upper bottom edge of the trapezoid support is equal to the distance between the two opposite circular through holes in the brake disc, so that the brake shafts arranged at the two ends of the upper bottom edge can be inserted into the two opposite circular through holes, the length of the lower bottom edge of the trapezoid support is equal to the width of the corresponding position of the wheel, the brake shafts arranged at the two ends of the lower bottom edge can clamp the outer surface of the wheel, and the height of the trapezoid support is larger than the radius of the wheel.

The utility model has the advantages that: the utility model discloses a wind-powered electricity generation blade root combination drilling system is equipped with the rotatory telescopic machanism that can install a plurality of brill guns, can once only drill a plurality of mounting holes, promotes the drilling efficiency of wind-powered electricity generation blade root by a wide margin, is showing and is reducing potential safety hazard and dust pollution; the special positioning ferrule is arranged, so that the drilling gun can be accurately guided to drill at the correct position, the drilling accuracy is improved, and the reject ratio is effectively reduced; moreover, multiple position locking mechanisms are arranged on different mechanisms, so that the punching position can be accurately adjusted, and the drilling gun can be prevented from deviating in the punching process to influence the accuracy; and finally, the wind power blade machining device is also provided with a travelling mechanism, so that the wind power blade machining device can be conveniently moved to any position in a machining place, and wind power blades placed at different positions can be conveniently machined.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of a drilling system for a wind turbine blade root assembly according to the present invention;

FIG. 2 is a schematic perspective view of an angle adjusting device in a preferred embodiment of the wind turbine blade and root combination drilling system of the present invention;

FIG. 3 is a schematic perspective view of the rotary telescopic assembly and the telescopic control assembly in a preferred embodiment of the drilling system for the wind turbine blade and the blade root of the present invention;

FIG. 4 is a schematic perspective view of a support platform in a preferred embodiment of the drilling system for wind turbine blade and blade root combination of the present invention;

FIG. 5 is a schematic perspective view of a braking device in a preferred embodiment of the wind turbine blade and root combination drilling system of the present invention;

in the figure, 1, a support platform, 11, a sliding rail groove, 13, an arc-shaped boss, 14, a first sliding groove, 2, an angle adjusting device, 21, a shell, 22, a helical gear, 221, an upper helical gear, 222, a lower helical gear, 23, a gear shaft, 231, a first gear shaft, 232, a second gear shaft, 24, a ratchet wheel, 241, a pawl, 25, a rotating angle disc, 3, a support column, 31, a sliding rail wheel, 32, a sliding rail motor, 4, a rotary telescopic component, 41, a rotary rod, 411, a circular connecting block, 412, a telescopic sleeve, 42, a telescopic rod, 421, a rod body, 422, a guide disc, 43, a drill bit sleeve, 44, a gun drill holder, 441, a slot, 5, a telescopic control component, 51, an auxiliary telescopic motor, 52, a covering disc, 53, a threaded rod, 541, a first connecting rod, 542, a second connecting rod, 543, a third connecting rod, 55, an auxiliary long rod, 6, a positioning ring, the brake device comprises a positioning element 611, a positioning ring 7, a second lifting device 71, a cross-shear type telescopic frame 711, a cross rod 72, a first supporting rod 73, a second supporting shaft 74, a hydraulic base 75, a lifting column 8, a bottom plate 81, a second sliding groove 82, a wheel 821, a brake boss 9, a brake device 91, a brake disc 911, a circular through hole 912, a special-shaped through hole 92, a trapezoid support 921 and a brake shaft.

Detailed Description

The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a more preferred embodiment of wind-powered electricity generation blade root combination drilling system refers to fig. 1-5 and shows, including supporting platform 1 and drilling mechanism, drilling mechanism includes support column 3, angle adjusting device 2, rotatory flexible subassembly 4 and flexible control assembly 5, and support column 3 sets up on supporting platform 1, and angle adjusting device 2 sets up the top surface at support column 3.

The angle adjusting device 2 is used for adjusting and fixing the angle of the rotary telescopic assembly 4, and is provided with a housing 21 which is a cuboid, because the helical gear has the advantages of stable transmission and high accuracy, the adjustment of the angle adjusting device 2 can be accurately transmitted to the rotary telescopic assembly 4, in the embodiment, the helical gear is utilized to conduct the adjustment action of the rotary telescopic assembly 4, therefore, the housing 21 is internally provided with a plurality of helical gears 22 from top to bottom, the helical gears 22 are fixed by a gear shaft 23 which penetrates through the housing 21 along the front-back direction, and the adjacent helical gears 22 are mutually meshed. In this embodiment, three helical gears 22 are provided, and three corresponding gear shafts 23 are provided. The upper helical gear 221 is provided at the uppermost helical gear, the gear shaft to which the upper helical gear 221 is fixed is a first gear shaft 231, and the first gear shaft 231 extends from the front of the housing to connect the upper helical gear 221 and the rotary telescopic assembly 4 such that the rotary telescopic assembly 4 rotates along with the upper helical gear 221. Disposed at the lowermost helical gear is a lower helical gear 222, and a gear shaft fixing the lower helical gear 222 is a second gear shaft 232. The down bevel gear 222 is used for conducting angle adjustment action of a user, a ratchet wheel 24 and a pawl 241 matched with the ratchet wheel 24 are arranged outside the shell 21, the down bevel gear 222 is connected with the ratchet wheel 24 through a second gear shaft 232, and a rotating angle disc 25 is further connected to the tail end of the second gear shaft 232. When the angle of the rotary telescopic assembly 4 is adjusted, a user rotates the angle disc 25 in one direction, the ratchet wheel 24 rotates along with the angle disc and stirs the pawl 241, the user can visually feel the rotating distance, the rotating speed can be reduced actively when the rotary telescopic assembly 4 rotates to an approaching position, the rotary telescopic assembly 4 can directly rotate to a preset position, and the ratchet wheel 24 is clamped by the pawl 241, so that the problem that the angle adjusting device 2 rotates randomly when drilling holes to cause the angle deviation of the rotary telescopic assembly 4 is avoided. In order to clearly show the internal structure of the angle adjustment device 2, the angle adjustment device 2 in fig. 2 is shown without a part of the housing 21.

The rotary telescopic assembly 4 is arranged at the front side of the housing 21, the rotary telescopic assembly 4 comprises a rotary rod 41 and a telescopic rod 42, the rotary rod 41 comprises a circular connecting block 411 and a telescopic sleeve 412, and the circular connecting block 411 is fixedly sleeved on the first gear shaft 231, so that the rotary telescopic assembly 4 is driven by the first gear shaft 231 to rotate. The telescopic sleeves 412 are arranged along the radial direction of the circular connecting block 411, the telescopic sleeves 412 are more than two and evenly distributed on the edge of the circular connecting block 411, and in the embodiment, the number of the telescopic sleeves 412 is three. The number of telescopic link 42 corresponds with the number of telescopic sleeve 412, also is equipped with three in this embodiment, and the cartridge is respectively in telescopic sleeve 412, and telescopic link 42 includes the telescopic rod body 421 of cartridge in telescopic sleeve 412 and sets up the direction disc 422 on the body of rod 421 free end, and the middle part of direction disc 422 is equipped with the brill rifle through-hole of placing the brill rifle. In this embodiment, in order to guide the drill of the drill gun to drill the mounting hole more accurately, the drill sleeve 43 for maintaining the direction of the drill is inserted into the drill through hole of the guiding disk 422, the drill sleeve extends out from the drill through hole to the front of the guiding disk 422, the inner diameter of the drill sleeve 43 is matched with the size of the drill gun, and the drill of the drill gun can be fixed by the drill sleeve 43. In order to facilitate the installation of the drill gun, a drill gun holder 44 is arranged behind the guide disc 422, the drill gun holder 44 is in a cylindrical shape with an opening matched with the shape of the drill gun body, a plurality of slots 441 arranged along the length direction are arranged on the cylinder body, the slots 441 are matched with the size of a handle of the drill gun, when the hand-held drill gun is used, the existing hand-held drill gun can be directly installed on the drill gun holder 44, a special drill gun is not needed, four slots 441 are arranged in the embodiment, and the four slots are uniformly distributed on the drill gun holder 44.

The telescopic control assembly 5 is used for controlling the telescopic rod 42 of the rotary telescopic assembly 4 to simultaneously extend and retract, and comprises an auxiliary telescopic motor 51, a covering disc 52, a threaded rod 53, a first connecting rod 541, a second connecting rod 542 and a third connecting rod 543. Three auxiliary long rods 55 distributed in a circumferential array are arranged on the circular connecting block 411, the auxiliary telescopic motor 51 and the covering disc 52 are fixed in front of the circular connecting block 411 by the auxiliary long rods 55, and the covering disc 52 can reciprocate along the auxiliary long rods 55. The screw rod 53 is inserted into the auxiliary telescopic motor 51 through the cover disk 52, and the cover disk 52 is provided with an internal thread matched with the screw thread of the screw rod 53, so that the auxiliary telescopic motor 51 can drive the cover disk 52 to move back and forth through the screw rod 53. In order to stably control the extension and retraction of the telescopic rod 42, the covering disc 52 is connected with the telescopic rod 42 through a first connecting rod 541, a second connecting rod 542 and a third connecting rod 543, one end of the first connecting rod 541 is movably connected to the sleeve of the rotating rod 41, the other end of the first connecting rod 541 is movably connected with one end of the second connecting rod 542, and the other end of the second connecting rod 542 is movably connected to the free end of the rod body 421 of the telescopic rod 42, so that the first connecting rod 541, the second connecting rod 542, the telescopic sleeve 412 and the telescopic rod 42 form a triangle, and the extension and retraction of the telescopic sleeve 412 and the telescopic rod 42 are. One end of the third link 543 is movably connected to the edge of the covering disc 52, and the other end of the third link 543 is movably connected to the first link 541, for pulling the first link 541 to control the connection point of the first link 541 and the second link to rise or fall, so as to extend or shorten the telescopic sleeve 412 and the telescopic rod 42. The first link 541 is provided with a connection groove connected with the third link 543. When the width of the rotary telescopic assembly 4 needs to be reduced, the screw rod 53 is rotated by the auxiliary telescopic motor 51, the covering disc 52 is driven to move forwards along the auxiliary long rod 55, the third connecting rod 543 pulls the first connecting rod 541 forwards, the telescopic sleeve 412 and the telescopic rod 42 are contracted, and the width of the rotary telescopic assembly 4 is reduced; when the width of the telescopic assembly 4 is required to be increased, the screw rod 53 is reversely rotated by the auxiliary telescopic motor 51, the covering disc 52 is driven to move backwards along the auxiliary long rod 55, and the third connecting rod 543 presses the first connecting rod 541 downwards, so that the telescopic sleeve 412 and the telescopic rod 42 are extended.

In order to facilitate fine adjustment of the height of the rotating telescopic component 4, a first lifting device is arranged inside the supporting column 3 in the embodiment, the supporting column 3 in the embodiment is provided with two layers, the first lifting device is arranged in the bottom layer and is abutted to the upper layer of the supporting column 3, the upper layer of the supporting column 3 can ascend or descend, the height of the rotating telescopic component 4 is changed, and the placing position of a blade root of a wind power blade is matched. In order to ensure the stability of the lifting, the first lifting device adopts a hydraulic lifting column or a ball screw, a control device electrically connected with the first lifting device is arranged on the supporting column 3, and the first lifting device adopts the hydraulic lifting column in the embodiment.

In order to adjust the rotary telescopic assembly 4 according to the position of the wind power blade, the bottom of the support column 3 is provided with more than four sliding rail wheels 31, in this embodiment, the sliding rail wheels 31 are four, the sliding rail wheels 31 are respectively and symmetrically arranged on two sides of the support column 3, the support column 3 is further provided with a sliding rail motor 32 for driving the sliding rail wheels 31, the support platform 1 is provided with a sliding rail groove 11, a sliding rail is arranged in the sliding rail groove 11 along the front-back direction, and the support column 3 can move back and forth along the sliding rail in the sliding rail groove 11.

In order to more accurately determine the drilling position, the wind power blade and blade root combined drilling system is further provided with a positioning ferrule 6, the positioning ferrule 6 is in an annular shape, and the shape and the size of the positioning ferrule 6 are matched with those of the wind power blade and blade root. The edge of the supporting platform 1 is provided with an arc-shaped boss 13 for placing the positioning ferrule 6, the top surface of the arc-shaped boss 13 is an arc surface matched with the positioning ferrule 6 in shape, the positioning ferrule 6 is placed on the arc-shaped boss 13, and the drilling mechanism is arranged behind the positioning ferrule 6. The positioning ferrule 6 is provided with positioning elements 61, and the number of the positioning elements 61 is equal to the number of the scheduled drill holes of the wind power blade root and is uniformly distributed along the positioning ferrule 6. One end of the positioning element 61 is in an anchor shape and is inserted into the positioning ferrule 6, so that the positioning element 61 extends out of the center of the positioning ferrule 6 along the radial direction, and a slot for inserting the positioning element 61 is formed in the positioning ferrule 6; the other end of the positioning member 61 is provided with a positioning ring 611 for positioning the position of the drill hole. When drilling, the drill bit of the drill gun passes through the positioning ring 611 to accurately position the required drilling position.

Because first elevating gear and support column 1 are limited to the altitude mixture control effect of rotatory telescoping device 4, in order to adapt to more high needs, also make whole drilling mechanism more stable, supporting platform 1 below is equipped with second elevating gear 7 and bottom plate 8, and second elevating gear 7 fixed mounting can directly promote supporting platform 1 and go up and down on bottom plate 8.

In this embodiment, in order to ensure stable lifting of the supporting platform 1, the two sides of the second lifting device 7 are respectively provided with the scissor type telescopic frames 71, so that the two sides of the supporting platform 1 are supported. In order to fix the cross-shear type telescopic frame 71, two sides of the bottom surface of the supporting platform 1 are respectively provided with first sliding grooves 14 which are symmetrically arranged, two sides of the bottom plate 8 are respectively provided with second sliding grooves 81 which correspond to the first sliding grooves 14, two first supporting rods 72 are slidably inserted in the first sliding grooves 14, the first supporting rods 72 are respectively connected with the upper end of the cross-shear type telescopic frame 71, two second supporting shafts 73 are slidably inserted in the second sliding grooves 81, and the second supporting shafts 73 are respectively connected with the lower end of the cross-shear type telescopic frame 71. In order to enable the cross-shear type telescopic frame 71 and the second lifting device 7 to move synchronously and enable the supporting platform 1 to lift stably, a cross rod 711 is arranged between the cross points of the cross-shear type telescopic frame 71, and the second lifting device 7 is connected with the cross rod 711 and pushes the cross rod 711 to lift. The second lifting device 7 can adopt a hydraulic lifting column or a ball screw arranged along the vertical direction, in this embodiment, the second lifting device 7 adopts a hydraulic lifting column, which comprises a hydraulic base 74 arranged on the bottom plate 8 and a lifting column 75 arranged in the hydraulic base, a through hole penetrating through the lifting column 75 along the horizontal direction is arranged on the lifting column 75, and a cross bar 711 is arranged in the through hole. When the lifting column 75 is lifted or lowered by the hydraulic base 74, the bar 711 is lifted or lowered along with the lifting column, and the scissor type telescopic frame 71 is driven to extend or retract, so that the supporting platform is lifted or lowered.

In order to enable the wind power blade and blade root combined drilling system to move randomly in a processing field as required, more than two groups of wheels 82 are arranged on the bottom plate 8, each group of wheels 82 is provided with two groups, the two wheels 82 of the same group are symmetrically arranged on the left side and the right side of the bottom plate 8, and in the embodiment, the wheels 82 are provided with two groups, namely four wheels in total.

In order to avoid the wind power blade and blade root combined drilling system from shifting back and forth during drilling and causing offset, the wind power blade and blade root combined drilling system of the embodiment is further provided with a braking device 9 matched with the wheel 82. The brake device 9 comprises a brake disc 91 arranged on the wheel 82 and a trapezoidal bracket 92 matched with the brake disc 91; the brake disc 91 is provided with a plurality of circular through holes 911 distributed in a circumferential array and a special-shaped through hole 912 arranged in the center of the brake disc 91, the center of the outer side surface of the wheel 82 is provided with a brake boss 821, the shape of the brake boss 821 is matched with the shape of the special-shaped through hole 912, and the brake boss 821 is inserted into the special-shaped through hole 912 so that the brake disc 91 is fixed on the wheel 82. The trapezoid support 92 is in an isosceles trapezoid shape, the four corners of the trapezoid support 92 are provided with the braking shafts 921 perpendicular to the trapezoid support 92, the side length of the upper bottom of the trapezoid support 92 is equal to the distance between the two opposite circular through holes 911 on the braking disc 91, so that the braking shafts 921 arranged at the two ends of the upper bottom can be inserted into the two opposite circular through holes 911; the length of the side of the lower bottom of the trapezoid support 92 is equal to the width of the corresponding position of the wheel 82, so that the braking shafts 921 arranged at the two ends of the lower bottom can clamp the outer surface of the wheel 82, and the height of the trapezoid support 92 is larger than the radius of the wheel 82. The wheel 82 is a main body of the walking function of the combined drilling device, and the overall size of the combined drilling system is larger, so that the wheel 82 is required to have a certain thickness for bearing, in the embodiment, the wheel 82 is made of rubber, the diameter of an outer ring is 450mm, the diameter of an inner ring is 300mm, the diameter of a central ring is 100mm, and the thickness is 100 mm. The diameter of the brake disc 91 is 140mm according to the size of the wheel 82, the diameter of the peripheral circular through hole 911 is 20mm, 10 brake discs are arranged in total, and the circle centers are arranged in a circumferential array on a circle with the diameter of 110 mm; the upper bottom of the trapezoid support 92 is 150mm, the lower bottom is 350mm, and the height is 230 mm. Because the braking device 9 is only used for braking, and the combined drilling system for the blade root of the wind power blade has a large size, the braking device 9 needs to have certain rigidity, and in this embodiment, the material of the braking device 9 is 45 steel. When braking, the brake disc 91 is firstly installed on the brake boss 821 matched with the center of the outer side of the wheel 82, then the brake shaft 921 on the upper part of the trapezoidal bracket 92 is aligned with the circular through hole 911 of the brake disc 91 for installation and compression, then the trapezoidal bracket 92 on the lower part of the trapezoidal bracket 92 is inserted into the edge of the wheel 82 and clamped, and the rolling of the wheel 82 can be limited after the installation, so that the locking function is achieved.

The utility model discloses a wind-powered electricity generation blade root combination drilling system is equipped with the rotatory telescopic machanism that can install a plurality of brill guns, can once only drill a plurality of mounting holes, promotes the drilling efficiency of wind-powered electricity generation blade root by a wide margin, is showing and is reducing potential safety hazard and dust pollution; the special positioning ferrule is arranged, so that the drilling gun can be accurately guided to drill at the correct position, the drilling accuracy is improved, and the reject ratio is effectively reduced; moreover, multiple position locking mechanisms are arranged on different mechanisms, so that the punching position can be accurately adjusted, and the drilling gun can be prevented from deviating in the punching process to influence the accuracy; and finally, the wind power blade machining device is also provided with a travelling mechanism, so that the wind power blade machining device can be conveniently moved to any position in a machining place, and wind power blades placed at different positions can be conveniently machined.

Claims (10)

1. The combined drilling system for the wind power blade and the blade root is characterized by comprising a supporting platform (1) and a drilling mechanism, wherein the drilling mechanism comprises a supporting column (3), an angle adjusting device (2), a rotary telescopic component (4) and a telescopic control component (5), the supporting column (3) is arranged on the supporting platform (1), and the angle adjusting device (2) is arranged on the top surface of the supporting column (3);

the angle adjusting device (2) is provided with a cuboid shell (21), a plurality of bevel gears (22) are arranged in the shell (21) from top to bottom, the bevel gears (22) are fixed by a gear shaft (23) penetrating through the shell (21) along the front-back direction, the adjacent bevel gears (22) are mutually meshed, an upper bevel gear (221) is arranged at the top, a gear shaft for fixing the upper bevel gear (221) is a first gear shaft (231), the upper bevel gear (221) is connected with a rotary telescopic component (4) through the first gear shaft (231), a lower bevel gear (222) is arranged at the bottom, a gear shaft for fixing the lower bevel gear (222) is a second gear shaft (232), a ratchet wheel (24) and a pawl (241) are arranged outside the shell (21), and the lower bevel gear (222) is connected with the ratchet wheel (24) through the second gear shaft (232), the tail end of the second gear shaft (232) is also connected with a corner disc (25);

the rotary telescopic component (4) is arranged on the front side of the shell (21), the rotary telescopic component (4) comprises a rotary rod (41) and a telescopic rod (42), the rotary rod (41) comprises a circular connecting block (411) and a telescopic sleeve (412), the circular connecting block (411) is fixedly sleeved on a first gear shaft (231), so that the rotary telescopic component (4) is driven by the first gear shaft (231) to rotate, the telescopic sleeve (412) is arranged along the radial direction of the circular connecting block (411), the telescopic sleeve (412) is provided with more than two telescopic rods which are uniformly distributed on the edge of the circular connecting block (411), the number of the telescopic rods (42) corresponds to the number of the telescopic sleeves (412) and is inserted in the telescopic sleeve (412), the telescopic rod (42) comprises a telescopic rod body (421) inserted in the telescopic sleeve (412) and a guide disc (422) arranged at the free end of the rod body (421), a drill gun through hole for placing a drill gun is formed in the middle of the guide disc (422);

the telescopic control component (5) comprises an auxiliary telescopic motor (51), a covering disc (52), a threaded rod (53), a first connecting rod (541), a second connecting rod (542) and a third connecting rod (543), wherein the circular connecting block (411) is provided with three auxiliary long rods (55) distributed in a circumferential array manner, the auxiliary telescopic motor (51) and the covering disc (52) are fixed in front of the circular connecting block (411) by the auxiliary long rods (55), the covering disc (52) can reciprocate along the auxiliary long rods (55), the threaded rod (53) penetrates through the covering disc (52) and is inserted into the auxiliary telescopic motor (51), the covering disc (52) is provided with an internal thread matched with the thread of the threaded rod (53), so that the auxiliary telescopic motor (51) can drive the covering disc (52) to move back and forth through the threaded rod (53), the one end swing joint of first connecting rod (541) is in on the sleeve of rotary rod (41), the other end of first connecting rod (541) with the one end swing joint of second connecting rod (542), the other end swing joint of second connecting rod (542) be in the free end of the telescopic link (42) body of rod (421), the one end swing joint of third connecting rod (543) be in the edge of covering disc (52), the other end and first connecting rod (541) swing joint of third connecting rod (543), be equipped with the connecting groove of connecting third connecting rod (543) on first connecting rod (541).

2. The wind blade and root combination drilling system according to claim 1, wherein a drill sleeve (43) for maintaining the drill direction is inserted into the drill through hole of the pilot disc (422), and the drill sleeve (43) extends from the drill through hole to the front of the pilot disc (422).

3. The wind power blade and blade root combined drilling system as claimed in claim 1, wherein a drill gun holder (44) is arranged behind the guide disc (422), the drill gun holder (44) is in a cylindrical shape with an opening matched with the shape of a drill gun body, a plurality of slots (441) formed along the length direction are formed in the drill gun holder (44), and the slots (441) are matched with the handle of the drill gun in size.

4. The wind power blade and blade root combined drilling system according to claim 1, wherein the bottom of the supporting column (3) is provided with more than four sliding rail wheels (31), the sliding rail wheels (31) are respectively and symmetrically arranged on two sides of the supporting column (3), the supporting column (3) is further provided with a sliding rail motor (32) for driving the sliding rail wheels (31), the supporting platform (1) is provided with a sliding rail groove (11), and a sliding rail arranged in the front-back direction is arranged in the sliding rail groove (11), so that the supporting column (3) can move back and forth along the sliding rail in the sliding rail groove (11).

5. The wind power blade and root combined drilling system as claimed in claim 1, wherein the wind power blade and root combined drilling system is further provided with a positioning collar (6), the edge of the supporting platform (1) is provided with an arc-shaped boss (13) for placing the positioning collar (6), the top surface of the arc-shaped boss (13) is an arc surface matched with the positioning collar (6), the positioning collar (6) is placed on the arc-shaped boss (13), and the drilling mechanism is arranged behind the positioning collar (6); the shape and the size of location lasso (6) coincide with the shape and the size of wind-powered electricity generation blade root, be equipped with positioning element (61) on location lasso (6), be equipped with holding ring (611) of instructing the drilling position on positioning element (61), the quantity of positioning element (61) equals the quantity of the predetermined drilling of wind-powered electricity generation blade root, positioning element (61) along location lasso (6) evenly distributed.

6. The wind turbine blade and root combination drilling system according to claim 1, wherein a second lifting device (7) and a bottom plate (8) are arranged below the supporting platform (1), and the second lifting device (7) is fixedly installed on the bottom plate (8) and pushes the supporting platform (1) to lift.

7. The wind turbine blade and root combination drilling system according to claim 6, wherein the two sides of the second lifting device (7) are respectively provided with an intersecting type telescopic frame (71), the two sides of the bottom surface of the supporting platform (1) are respectively provided with first sliding grooves (14) which are symmetrically arranged, the two sides of the bottom plate (8) are respectively provided with second sliding grooves (81) which correspond to the first sliding grooves (14), two first supporting rods (72) are slidably inserted in the first sliding grooves (14), the first supporting rods (72) are respectively connected with the upper ends of the intersecting type telescopic frames (71), two second supporting shafts (73) are slidably inserted in the second sliding grooves (81), the second supporting shafts (73) are respectively connected with the lower ends of the intersecting type telescopic frames (71), and cross bars (711) are arranged between the intersecting points of the intersecting type telescopic frames (71), the second lifting device (7) is connected with the cross rod (711) and pushes the cross rod (711) to lift.

8. The wind blade and root combined drilling system according to claim 6, characterized in that the second lifting device (7) is a hydraulic lifting column or a ball screw arranged in a vertical direction.

9. The wind turbine blade and root combination drilling system according to claim 6, wherein more than two sets of wheels (82) are arranged on the base plate (8), two wheels (82) are arranged on each set, and the two wheels (82) in the same set are symmetrically arranged on the left side and the right side of the base plate (8).

10. The wind power blade and root combination drilling system according to claim 9, wherein the wind power blade and root combination drilling system is further provided with a braking device (9), the braking device (9) comprises a braking disc (91) arranged on a wheel (82) and a trapezoidal bracket (92) matched with the braking disc (91), the braking disc (91) is provided with a plurality of circular through holes (911) distributed in a circumferential array and a special-shaped through hole (912) arranged in the center of the braking disc (91), the outer side surface of the center of the wheel (82) is provided with a braking boss (821), the shape of the braking boss (821) is matched with the shape of the special-shaped through hole (912), and the braking boss (821) is inserted into the special-shaped through hole (912) so that the braking disc (91) is fixed on the wheel (82); trapezoidal support (92) are isosceles trapezoid, be equipped with braking axle (921) perpendicular to trapezoidal support (92) on the four corners of trapezoidal support (92), the length of the last base side of trapezoidal support (92) equals the distance between two relative circular through-holes (911) on brake disc (91) for set up braking axle (921) at last base both ends can insert in two relative circular through-holes (911), the length of the lower base side of trapezoidal support (92) equals with the width that wheel (82) corresponds the position, makes setting up braking axle (921) at the lower base both ends can block the surface of wheel (82), the height of trapezoidal support (92) is greater than the radius of wheel (82).

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