CN113852238B - Integrated threading pipe support for wind driven generator - Google Patents
Integrated threading pipe support for wind driven generator Download PDFInfo
- Publication number
- CN113852238B CN113852238B CN202111142714.2A CN202111142714A CN113852238B CN 113852238 B CN113852238 B CN 113852238B CN 202111142714 A CN202111142714 A CN 202111142714A CN 113852238 B CN113852238 B CN 113852238B
- Authority
- CN
- China
- Prior art keywords
- threading pipe
- bearing
- pipe
- speed measuring
- threading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an integrated threading pipe support for a wind driven generator, which adopts a split structure and comprises a ring positioned in the center, wherein a threading pipe bearing is arranged in the ring and used for connecting a threading pipe to realize rotation, a plurality of groups of supporting units are uniformly distributed on the outer wall of the ring in the circumferential direction, and adjacent supporting units are connected to form a main body frame; the arc bottom plate at the bottom of the main body frame is matched with the rear end cover of the motor by a spigot, and the arc bottom plate and the rear end cover are detachably connected by a bolt assembly; in addition, other related sub-parts and a threading pipe protective cover are also arranged in the threading pipe bracket. The invention breaks through the structural design of the traditional threading pipe support, effectively solves the problems of infirm fixation, poor centering performance of the threading pipe bearing, low installation precision and the like of the traditional threading pipe support, integrates the threading pipe bearing temperature measuring device, the motor spindle speed measuring device, the carbon brush support, the carbon powder collecting box device and the oil collecting box device into a whole, and can realize multiple functions.
Description
Technical Field
The invention belongs to the technical field of wind driven generators, and particularly relates to an integrated threading pipe support for a wind driven generator.
Background
The wind driven generator is a device which converts wind energy into mechanical energy through a rotating impeller, transmits the mechanical energy to a generator through a transmission chain system, and finally converts the mechanical energy into electric energy. The pitch control system in the fan hub comprises three sets of independent servo drivers, a pitch motor, a standby battery cabinet and other components such as a limit switch, an encoder, a power distribution cabinet and the like, the pitch operation is executed according to a pitch angle instruction of a fan main controller, and fast pitch collecting actions are completed under the unsafe condition, such as loss of communication with the fan main controller, overlarge wind power, grid faults and the like, the communication and power transmission of the pitch control system are connected with the cabin cabinet through a slip ring and a cable through a threading pipe, and the threading pipe is a protection device for protecting a communication line and a power line of the pitch control system. But current threading pipe is fixed on the rear end cap usually through the bearing, and its rear end cap function is single, this application permanent magnet wind power generator has increased the stopper newly on the rear end cap, the brake disc, the barring gear, barring device and mounting structure, the gear that tests the speed, the encoder, proximity switch, the realization of so complicated function only relies on the rear end cap structurally unable realization, consequently need redesign a section threading pipe support, compromise the cooperation of multiple structure, nevertheless have following technological problem in the realization process:
firstly, the stopper is installed to motor rear end housing 12 o 'clock and 6 o' clock position department for the unit brake stops the machine, installs the interface of barring gear simultaneously in 3 o 'clock of rear end housing and 9 o' clock direction departments, is used for applying the moment of torsion, rotates the unit main shaft, and installation unit blade usefulness. Due to multiple functions and complex structure, the problems of difficult spatial arrangement of the threading pipe bracket, reliable fixation of the threading pipe, alignment of a threading pipe bearing, installation precision and the like exist;
secondly, the speed measurement of the general permanent magnet wind driven generator adopts a proximity switch, which is easily interfered by the external environment, the installation precision of the speed measurement device is low, the installation is usually a cantilever type structure with a single pivot, and the stability of the speed measurement device is poor. The motor adopts the encoder to measure the speed, so that the speed measurement precision is improved, but the threading pipe is arranged in the center of the hollow shaft, and the shaft head of the hollow shaft is provided with the slip ring device, so that no space exists, and the encoder needs to be designed and arranged in a reasonable structure in order to solve the problem that the existing encoder cannot be directly arranged on the rotating shaft;
the problem of bearing electric corrosion in the power generation of the existing permanent magnet wind driven generator is solved by the general scheme that a grounding carbon brush is arranged on a main shaft of a motor, but carbon powder can pollute a threading tube bearing in the running process of the motor, so that the service life of the bearing is reduced, meanwhile, the carbon powder can be attached to a brake disc, so that the braking performance is reduced, and in addition, the carbon powder can be attached to a winding, so that the potential insulation hazard is caused;
fourthly, the whole threading pipe support is in the state of exposing on the motor rear end cover, need set up the threading pipe safety cover in the periphery, firstly avoid the external part to collide with, secondly avoid the foreign matter to get into inside the generator.
In view of the above, the present inventors have been able to solve the above problems by providing an integrated conduit bracket for a wind turbine generator through experience and practice of related industries for many years.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an integrated threading pipe support for a wind driven generator, which effectively solves the problems of infirm fixing, poor centering performance of a threading pipe bearing, low mounting precision and the like of the conventional threading pipe support, and integrates a threading pipe bearing temperature measuring device, a motor spindle speed measuring device, a carbon brush support, a carbon powder collecting box device and an oil collecting box device into a whole, thereby realizing multiple functions.
The purpose of the invention is solved by the following technical scheme:
an integrated threading pipe support for a wind driven generator is of a split structure and comprises a ring located in the center, wherein a threading pipe bearing is mounted inside the ring and used for being connected with a threading pipe to realize rotation, a plurality of groups of supporting units are uniformly distributed on the outer wall of the ring in the circumferential direction, and a main body frame is formed after adjacent supporting units are connected;
wherein, every group the support element includes first side pipe, pillar and circular arc bottom plate, first side pipe is along ring radial distribution, and the fixed setting of one end of first side pipe is on the ring outer wall, the other end of first side pipe and the pillar one end fixed connection of axial setting, the other end and the circular arc bottom plate fixed connection of pillar, the circular arc bottom plate adopts the tang cooperation with the motor rear end cap to can dismantle the circular arc bottom plate with the motor rear end cap through bolt assembly and be connected.
Furthermore, the supporting unit also comprises reinforcing ribs which are obliquely arranged on two sides of the pillar and fixedly connected with the arc bottom plate.
Further, the main body frame comprises four groups of supporting units and second square pipes for connecting the adjacent supporting units;
wherein the included angle between any adjacent supporting units is 90 degrees;
every the both ends of second side's pipe are connected with the side of adjacent first side's pipe respectively, and arbitrary second side's pipe is all the same apart from the distance of ring the central axis.
Furthermore, the threading pipe support still includes the threading pipe safety cover, all be provided with the screw hole on first side's pipe, second side's pipe and the motor rear end cap, the threading pipe safety cover passes through screw or bolt and can dismantle with main body frame and motor rear end cap respectively and be connected for the inside structure of protection threading pipe plays dustproof effect simultaneously.
Furthermore, a bearing inner cover and a bearing outer cover are respectively arranged on two sides of the threading pipe bearing, and a nut is arranged between the bearing outer cover and the threading pipe bearing;
the bearing inner cover and the bearing outer cover are detachably connected with the circular ring through bolts respectively.
Furtherly, annular groove has all been seted up on ring and bearing inner cup and the bearing enclosing cover complex terminal surface, every the sealing washer has all been laid in the annular groove for prevent that debris from getting into inside the threading pipe bearing.
Furthermore, a grounding carbon brush holder and a grounding block are arranged on the inner side of the first square tube, a grounding carbon brush and a carbon powder collecting box are mounted on the grounding carbon brush holder, and the carbon powder collecting box is used for collecting carbon powder generated by the grounding carbon brush in the abrasion process, so that the carbon powder is prevented from polluting a bearing of the threading tube;
the grounding block is connected with the grounding carbon brush through a grounding wire and used for leading out shaft current, so that the shaft current is equipotential with the ground, and the electric corrosion of the threading pipe bearing is avoided.
Furthermore, an oil collecting box is arranged below the bearing inner cover and used for collecting redundant lubricating oil in the threading pipe.
Further, the threading pipe support is still including the fixed bolster that is used for installing speed sensor, the fixed bolster includes first bedplate, second bedplate and support steel pipe, on the one end of first bedplate was fixed in the ring outer wall, the other end was fixed in second side's pipe, the second bedplate is located the below of first bedplate to through set up in the support steel pipe of second bedplate both sides respectively with the bottom fixed connection who corresponds first side's pipe.
Furthermore, the speed measuring device comprises a speed measuring main gear, a speed measuring pinion, an encoder pinion and an encoder, wherein the speed measuring main gear is fixedly sleeved on the outer wall of the motor main shaft, the encoder pinion is movably mounted on the first base plate and the second base plate through a speed measuring bearing, the speed measuring pinion is fixedly sleeved on the outer wall of the encoder pinion and is meshed with the speed measuring main gear, the encoder is fixedly arranged at one end of the encoder pinion, and the speed measuring device is used for realizing real-time monitoring of the rotating speed of the main shaft of the wind driven generator;
the speed measuring main gear and the speed measuring auxiliary gear have the same module and the same number of teeth.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to an integrated threading pipe bracket for a wind driven generator, which adopts a discontinuous split structure in order to avoid a barring gear seat and a brake; the circular arc bottom plate and the motor rear end cover in the main body frame are positioned in a matched mode through the seam allowance, the centering performance of the bearing of the threading pipe is improved, and the radial runout of the threading pipe is reduced. Meanwhile, in order to avoid deformation during seam allowance positioning, the main body framework adopts square steel as a framework, and reinforcing ribs are arranged at the joints of the arc-shaped bottom plates and the pillars, so that the overall strength, stability and reliability of the threading pipe support are improved, the overall weight is light, and on one hand, installation and disassembly of workers are facilitated; and on the other hand, the cost is saved.
2. The invention relates to an integrated threading pipe bracket for a wind driven generator, which is characterized in that a fixed bracket consisting of a first seat plate, a second seat plate and a support steel pipe is arranged on a main body frame in the 9 o' clock direction, and a speed measuring device consisting of a speed measuring main gear, a speed measuring pinion, a coder small shaft, a speed measuring bearing and a coder is arranged on the fixed bracket; wherein, speed sensor adopts the double-fulcrum form to install on the threading pipe support, has effectively guaranteed the stability of encoder. Through practical verification, in the normal operation process of the motor, the radial runout value of the small shaft of the encoder is smaller than 0.05mm, and the rotating speed of the wind driven generator during operation can be accurately monitored in real time.
3. The invention discloses an integrated threading pipe support for a wind driven generator, which is characterized in that a grounding carbon brush frame and a grounding block are arranged on a first square pipe, a grounding carbon brush and a carbon powder collecting box are arranged on the grounding carbon brush frame, carbon powder generated in the abrasion process of the grounding carbon brush is collected in the carbon powder collecting box, and the carbon powder is prevented from polluting a threading pipe bearing. The grounding block is connected with the grounding carbon brush through a grounding wire and used for leading out shaft current, so that the shaft current is equipotential with the ground, and the electric corrosion of the threading pipe bearing is avoided.
4. The invention relates to an integrated threading pipe bracket for a wind driven generator.
5. The invention relates to an integrated threading pipe support for a wind driven generator, which is further provided with a threading pipe protective cover, wherein the threading pipe protective cover is detachably connected with a main body frame and a rear end cover of a motor through screws or bolts, so that the exposed threading pipe support and accessory sub-pieces are protected on one hand, and the internal components are convenient to install, disassemble and maintain on the other hand.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the mounting structure of the whole threading pipe support (without the threading pipe protective cover and the threading pipe bearing) and the rear end cover of the motor;
FIG. 2 is a front view of the main frame of the threading tube stand according to the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of the circular arc bottom plate seam allowance of the threading pipe bracket of the present invention;
FIG. 5 is a schematic view of the installation hole of the arc-shaped bottom plate in the direction B in FIG. 4;
FIG. 6 is a rear view of the assembled relationship of the stringing tube bracket and the sub-assembly in accordance with the present invention;
FIG. 7 is an enlarged cross-sectional view taken along line C-C of FIG. 6;
FIG. 8 is a front view of the velocity measuring device according to the present invention;
FIG. 9 is an enlarged cross-sectional view taken along line D-D of FIG. 8;
FIG. 10 is a front view of the protective cover of the threading tube in the threading tube support of the present invention;
fig. 11 is a cross-sectional view E-E of fig. 10.
Wherein: 1 is a circular ring; 2 is a threading pipe bearing; 3 is a supporting unit; 4 is a second square tube; 5 is a threading pipe protective cover; 6 is an oil collecting box; 7 is a speed measuring device; 8 is a fixed bracket; 11 is a sealing ring; 21 is a bearing inner cover; 22 is a bearing outer cover; 23 is a nut; 31 is a first square tube; 32 is a pillar; 33 is a circular arc bottom plate; 34 is a reinforcing rib; 71 is a speed measuring main gear; 72 is a speed measuring pinion; 73 is a small encoder shaft; 74 is an encoder; 75 is a speed measuring bearing; 81 is a first seat plate; 82 is a second seat plate; 83 is a supporting steel pipe; 311 is a grounded carbon brush holder; 312 is a ground block; 313 is a grounding carbon brush; 314 is a carbon powder collecting box; 331 is a spigot; 751 is a first outer bearing cap; 752 is an inner bearing cap; 753 a second outer bearing cap; a is the rear end cover of the motor.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the invention provides an integrated threading pipe support for a wind driven generator, which adopts a discontinuous split structure in order to avoid a turning gear seat and a brake, and comprises a circular ring 1 positioned at the center of the threading pipe support, wherein a threading pipe bearing 2 is arranged inside the circular ring 1, and the threading pipe is used for connecting the threading pipe to realize rotation; the circumference equipartition of 1 outer wall of ring has a plurality of groups supporting element 3, and adjacent supporting element 3 forms main body frame after connecting, main body frame adopts square pipe as the skeleton, reduces its weight when guaranteeing threading pipe support bulk strength on the one hand, and the installation of being convenient for is transferred and is transported, and on the other hand practices thrift the cost, reduces the fund input, and the facilitate promotion is popularized.
Specifically, each group of supporting units 3 comprises first square pipes 31, struts 32 and circular arc bottom plates 33, the first square pipes 31 are distributed along the radial direction of the circular ring 1 (a plurality of first square pipes 31 are positioned on the same horizontal plane), one ends of the first square pipes 31 are welded on the outer wall of the circular ring 1, the other ends of the first square pipes 31 are fixedly connected with one ends of the struts 32 arranged axially, the other ends of the struts 32 are fixedly connected with the circular arc bottom plates 33, preferably, the circular arc bottom plates 33 are positioned on the same circle, the circle center of the circle is positioned on the central axis of the circular ring 1, a spigot 331 is arranged at the bottom of each circular arc bottom plate 33, a spigot is also arranged on a motor rear end cover A matched with the spigot, namely, each circular arc bottom plate 33 is matched with the motor rear end cover A through spigots, partial views are shown in figures 4 and 5, the centering performance of the threading pipe support and the threading pipe is ensured, the radial run-out of the threading pipe is reduced, in addition, 4 through holes and 2 threaded holes are symmetrically distributed on each circular arc bottom plate 33, in actual installation, the bolt passes through 4 through-holes and motor rear end cover A fitting surface bolted connection, and 2 screw holes use when threading pipe support dismantles as the jackscrew hole.
In order to ensure the strength of the main body frame, the support unit 3 further includes reinforcing ribs 34, the reinforcing ribs 34 are obliquely arranged on two sides of the pillar 32 and fixedly connected with the arc bottom plate 33, and the reinforcing ribs 34 are preferably made of steel pipes. The main body frame comprises four groups of supporting units 3 and second square pipes 4 for connecting the adjacent supporting units 3; wherein the included angle of any adjacent supporting unit 3 is 90 degrees; the two ends of each second square pipe 4 are respectively connected with the side faces of the adjacent first square pipes 31, and the distance between any second square pipe 4 and the central axis of the circular ring 1 is the same.
As shown in fig. 10 and 11, the threading pipe support of the invention further comprises a threading pipe protection cover 5, angle steel is welded on the side walls of the first square pipe 31 and the second square pipe 4, the angle steel is provided with the same threaded holes, an interface for installing the threading pipe protection cover 5 is added, and the threading pipe protection cover 5 is detachably connected with the main body frame and the motor rear end cover a through screws or bolts respectively, so as to protect the inner structure of the threading pipe and play a role of dust prevention.
As shown in fig. 6 and 7, counter bores and threaded holes are uniformly distributed on the end surface of the ring 1 along the circumferential direction, mounting bolts are arranged in the counter bores and used for connecting and fixing a bearing inner cover 21, the bearing inner cover 21 further fixes one side of the threading pipe bearing 2, and the bearing inner cover 21 and the generator are sealed in a labyrinth manner. The other side of the threading pipe bearing 2 is fixed through a circular nut 23, a bearing outer cover 22 is arranged on the outer side of the nut 23, and the bearing outer cover 22 is detachably connected with the circular ring 1 through bolts.
Wherein, all seted up annular groove on ring 1 and bearing inner cup 21 and bearing enclosing cover 22 complex two terminal surfaces, all laid sealing washer 11 in every annular groove, made bearing inner cup 21 and bearing enclosing cover 22 hug closely to ring 1 and draw close through screwing up the bolt, and then extrusion sealing washer 11 makes it produce deformation for inside preventing that debris from getting into threading pipe bearing 2, the protection threading pipe bearing 2 is clean.
In addition, the grounding carbon brush holder 311 and the grounding block 312 are arranged on the inner side of the first square tube 31, a grounding carbon brush 313 and a carbon powder collecting box 314 are arranged on the grounding carbon brush holder 311, and the carbon powder collecting box 314 is used for collecting carbon powder generated by the grounding carbon brush 313 in the abrasion process, so that the carbon powder is prevented from polluting the threading tube bearing 2; in addition, the grounding block 312 is connected with the grounding carbon brush 313 through a grounding wire, and is used for guiding out shaft current, so that the shaft current is equal to the ground potential, and the threading pipe bearing 2 is protected from electric corrosion. Meanwhile, an oil collecting box 6 is arranged below the bearing inner cover 21 and used for collecting redundant lubricating oil in the threading pipe through an oil collecting pipe.
As shown in fig. 6 to 9, the threading pipe bracket of the invention further includes a fixing bracket 8 for mounting the speed measuring device 7, the fixing bracket 8 includes a first seat plate 81, a second seat plate 82 and a supporting steel pipe 83, one end of the first seat plate 81 is fixed on the outer wall of the circular ring 1, the other end is fixed on the second square pipe 4, the second seat plate 82 is located below the first seat plate 81, and is respectively and fixedly connected with the bottom of the corresponding first square pipe 31 through the supporting steel pipe 83 arranged at the two sides of the second seat plate 82.
The speed measuring device 7 is positioned at the 9 o' clock position of the threading pipe bracket and comprises a speed measuring main gear 71, a speed measuring pinion 72, an encoder small shaft 73 and an encoder 74; the speed measuring main gear 71 is fixedly sleeved on the outer wall of the motor main shaft, the encoder small shaft 73 is movably mounted on the first seat plate 81 and the second seat plate 82 through a speed measuring bearing 75, the speed measuring pinion 72 is fixedly sleeved on the outer wall of the encoder small shaft 73 and meshed with the speed measuring main gear 71, the speed measuring main gear 71 and the speed measuring pinion 72 are arranged in a ratio of 1:1, namely the modulus of the speed measuring main gear and the modulus of the speed measuring pinion are the same, the number of teeth of the speed measuring pinion are the same, the encoder 74 is fixedly arranged at one end of the encoder small shaft 73, and the speed measuring device 7 is used for monitoring the rotating speed of the wind driven generator main shaft in real time.
Wherein, the bearing 75 both sides that test the speed of bottom are provided with first outer bearing cap 751 and interior bearing cap 752 respectively, and it is fixed with the bottom bearing that tests the speed through inside and outside bearing cap promptly, tests the speed pinion 72 and passes through bolted connection with second outer bearing cap 753 for another bearing 75 that tests the speed, the top bearing that tests the speed promptly is fixed.
The threading pipe bracket is positioned at a seam allowance through 4 arc bottom plates 33 and a motor rear end cover A and is fastened on a generator end cover through bolts; the grounding carbon brush 313 is arranged on the grounding carbon brush holder 311 of the threading pipe support, the threading pipe passes through the threading pipe bearing 2 to realize rotation, and after the speed measuring main gear 71 and the speed measuring auxiliary gear 72 are arranged, the speed measurement of the main rotating shaft of the motor can be realized through the encoder 74; preferably, the bearing temperature sensor is arranged in a threaded hole of the threading pipe circular ring 1, so that the temperature monitoring of the threading pipe bearing 2 can be realized; and finally, the threading pipe protective cover 5 is arranged outside the threading pipe support through a bolt or a screw, and the internal structure of the threading pipe plays a dustproof role.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (9)
1. The integrated threading pipe support for the wind driven generator is characterized by being of a split structure and comprising a ring (1) located in the center, wherein a threading pipe bearing (2) is mounted inside the ring (1), the threading pipe bearing (2) is used for being connected with a threading pipe to realize rotation, a plurality of groups of supporting units (3) are uniformly distributed on the outer wall of the ring (1) in the circumferential direction, and adjacent supporting units (3) are connected to form a main body frame;
each group of supporting units (3) comprises a first square pipe (31), a strut (32) and an arc bottom plate (33), the first square pipe (31) is radially distributed along the circular ring (1), one end of the first square pipe (31) is fixedly arranged on the outer wall of the circular ring (1), the other end of the first square pipe (31) is fixedly connected with one end of the strut (32) which is axially arranged, the other end of the strut (32) is fixedly connected with the arc bottom plate (33), the arc bottom plate (33) is matched with the rear end cover (A) of the motor through a spigot, and the arc bottom plate (33) is detachably connected with the rear end cover (A) of the motor through a bolt assembly;
the main body frame includes four groups of support element (3) and is used for connecting adjacent the second side pipe (4) of support element (3), it is arbitrary adjacent the contained angle of support element (3) is 90 degrees, every the both ends of second side pipe (4) are connected with the side of adjacent first side pipe (31) respectively, and arbitrary second side pipe (4) are apart from the distance homogeneous phase of ring (1) the central axis.
2. The integrated conduit bracket for the wind power generator as claimed in claim 1, wherein the supporting unit (3) further comprises reinforcing ribs (34), the reinforcing ribs (34) are obliquely arranged at both sides of the pillar (32) and fixedly connected with the arc-shaped bottom plate (33).
3. The integrated threading pipe support for the wind driven generator according to claim 1, further comprising a threading pipe protection cover (5), wherein the first square pipe (31), the second square pipe (4) and the motor rear end cover (A) are respectively provided with a threaded hole, and the threading pipe protection cover (5) is detachably connected with the main body frame and the motor rear end cover (A) through screws or bolts for protecting the internal structure of the threading pipe and playing a role of dust prevention.
4. The integrated threading pipe bracket for the wind driven generator according to claim 1, wherein a bearing inner cover (21) and a bearing outer cover (22) are respectively arranged at two sides of the threading pipe bearing (2), and a nut (23) is arranged between the bearing outer cover (22) and the threading pipe bearing (2);
the bearing inner cover (21) and the bearing outer cover (22) are detachably connected with the circular ring (1) through bolts respectively.
5. The integrated threading pipe support for the wind driven generator according to claim 4, wherein annular grooves are formed in the end faces of the circular ring (1) matched with the bearing inner cover (21) and the bearing outer cover (22), and a sealing ring (11) is laid in each annular groove and used for preventing sundries from entering the interior of the threading pipe bearing (2).
6. The integrated threading pipe support for the wind driven generator as claimed in claim 4, wherein a grounding carbon brush holder (311) and a grounding block (312) are arranged inside the first square pipe (31), a grounding carbon brush (313) and a carbon powder collecting box (314) are mounted on the grounding carbon brush holder (311), and the carbon powder collecting box (314) is used for collecting carbon powder generated by the grounding carbon brush (313) in the abrasion process, so as to prevent the carbon powder from polluting the threading pipe bearing (2);
the grounding block (312) is connected with the grounding carbon brush (313) through a grounding wire and used for leading out shaft current, so that the shaft current is equipotential with the ground, and the electric erosion of the conduit bearing (2) is avoided.
7. The integrated threading pipe support for the wind driven generator as claimed in claim 6, wherein an oil collecting box (6) is arranged below the bearing inner cover (21) for collecting excessive lubricating oil in the threading pipe.
8. The integrated conduit bracket for the wind power generator as claimed in claim 1, further comprising a fixing bracket (8) for mounting a speed measuring device (7), wherein the fixing bracket (8) comprises a first seat plate (81), a second seat plate (82) and a supporting steel tube (83), one end of the first seat plate (81) is fixed on the outer wall of the circular ring (1), the other end of the first seat plate is fixed on the second square tube (4), the second seat plate (82) is located below the first seat plate (81), and is fixedly connected to the bottom of the corresponding first square tube (31) through the supporting steel tube (83) arranged on both sides of the second seat plate (82).
9. The integrated conduit bracket for the wind driven generator as claimed in claim 8, wherein the speed measuring device (7) comprises a speed measuring main gear (71), a speed measuring pinion (72), an encoder small shaft (73) and an encoder (74), the speed measuring main gear (71) is fixedly sleeved on the outer wall of the motor main shaft, the encoder small shaft (73) is movably mounted on a first seat plate (81) and a second seat plate (82) through a speed measuring bearing (75), the speed measuring pinion (72) is fixedly sleeved on the outer wall of the encoder small shaft (73) and is engaged with the speed measuring main gear (71), the encoder (74) is fixedly arranged at one end of the encoder small shaft (73), and the speed measuring device (7) is used for realizing real-time monitoring of the rotating speed of the wind driven generator main shaft;
the speed measuring main gear (71) and the speed measuring auxiliary gear (72) have the same module and the same tooth number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142714.2A CN113852238B (en) | 2021-09-28 | 2021-09-28 | Integrated threading pipe support for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142714.2A CN113852238B (en) | 2021-09-28 | 2021-09-28 | Integrated threading pipe support for wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113852238A CN113852238A (en) | 2021-12-28 |
| CN113852238B true CN113852238B (en) | 2022-09-09 |
Family
ID=78980298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111142714.2A Active CN113852238B (en) | 2021-09-28 | 2021-09-28 | Integrated threading pipe support for wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113852238B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822015Y (en) * | 2005-07-14 | 2006-09-27 | 潍坊中云机器有限公司 | Split permanent magnet synchronous wind power generator |
| CN202091132U (en) * | 2011-05-28 | 2011-12-28 | 江苏新誉重工科技有限公司 | Split coupling of wind generating set |
| CN204003290U (en) * | 2014-07-28 | 2014-12-10 | 江苏新誉重工科技有限公司 | Threading pipes of wind generating set supporting structure |
| CN107061188A (en) * | 2016-12-28 | 2017-08-18 | 山东中车风电有限公司 | The threading structure and method of cable in a kind of main shaft in wind power generating set |
| CN211089016U (en) * | 2019-12-16 | 2020-07-24 | 太原重工股份有限公司 | Wind generating set main shaft threading device |
| CN213632186U (en) * | 2020-11-05 | 2021-07-06 | 中国长江电力股份有限公司 | Special device for checking clearance between stator and rotor of large hydroelectric generator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004320940B2 (en) * | 2004-06-25 | 2009-01-08 | Vestas Wind Systems A/S | Wind turbine drive assembly |
| CN207513762U (en) * | 2017-09-20 | 2018-06-19 | 新疆金风科技股份有限公司 | Survey wind stent and wind power generating set |
-
2021
- 2021-09-28 CN CN202111142714.2A patent/CN113852238B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822015Y (en) * | 2005-07-14 | 2006-09-27 | 潍坊中云机器有限公司 | Split permanent magnet synchronous wind power generator |
| CN202091132U (en) * | 2011-05-28 | 2011-12-28 | 江苏新誉重工科技有限公司 | Split coupling of wind generating set |
| CN204003290U (en) * | 2014-07-28 | 2014-12-10 | 江苏新誉重工科技有限公司 | Threading pipes of wind generating set supporting structure |
| CN107061188A (en) * | 2016-12-28 | 2017-08-18 | 山东中车风电有限公司 | The threading structure and method of cable in a kind of main shaft in wind power generating set |
| CN211089016U (en) * | 2019-12-16 | 2020-07-24 | 太原重工股份有限公司 | Wind generating set main shaft threading device |
| CN213632186U (en) * | 2020-11-05 | 2021-07-06 | 中国长江电力股份有限公司 | Special device for checking clearance between stator and rotor of large hydroelectric generator |
Non-Patent Citations (1)
| Title |
|---|
| 谈风电场升压变电站电气二次设备选型与安装;刘大忠;《山西建筑》;20121210(第35期);第156-157、267页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113852238A (en) | 2021-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10316826B2 (en) | Drive system of a wind turbine | |
| EP2169220B1 (en) | Wind turbine generator brake and grounding brush arrangement | |
| CN107979225B (en) | Motor with small bearing structure and wind generating set | |
| CN113852238B (en) | Integrated threading pipe support for wind driven generator | |
| US9932969B2 (en) | Air-gap secure system for a wind turbine | |
| CN210536381U (en) | Three-end cover variable pitch motor with double rotary transformers | |
| CN102447368B (en) | Rotating motor, wind power generation system and rotation detector for rotating motor | |
| CN206747600U (en) | A kind of revolution at a high speed bearing block | |
| CN102075036B (en) | Speed measurement control device for motor | |
| CN107061188B (en) | Threading structure and threading method for cable in main shaft of wind generating set | |
| CN201056445Y (en) | Permanent magnetic synchronous gearless traction machine with encoder at the same side of traction wheel | |
| CN105092125A (en) | Torque sensor mounting structure | |
| CN207053320U (en) | Frequency conversion drive device for direct drive type screw pump | |
| CN212350383U (en) | Fourth shaft of machine tool integrated with harmonic reducer | |
| CN204267544U (en) | The mounting structure of small aperture encoder | |
| CN211824835U (en) | Moment measuring tool for opening terminal electric door mechanism of canopy | |
| CN204089495U (en) | The mounting structure of external rotor coder | |
| CN201966752U (en) | Motor speed measuring control device | |
| CN109596247B (en) | Method for testing and analyzing unbalanced force of bevel-cut rotor support of semi-umbrella type water pump turbine | |
| CN218673556U (en) | Online detection device for radial runout of roller carrier shaft of roller | |
| CN208880270U (en) | Rotary joint assembly and electro spindle | |
| JPS5931401A (en) | Device for measuring centering of revolving shaft | |
| CN219181293U (en) | Motor spindle assembly | |
| CN215890325U (en) | Wind wheel zero position measuring device of wind generating set | |
| CN217211417U (en) | Slewing bearing and speed reducer maintenance detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |