Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
  • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
  • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
  • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
  • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
  • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
  • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
  • B23P19/06—Screw or nut setting or loosening machines
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
  • F03D—WIND MOTORS
  • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
  • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
  • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
  • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
  • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/70—Wind energy
  • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

• the invention relates to the field of wind power generation machinery installation equipment, in particular to a single-axis yaw electric bolt tightening machine.
• the bolts in the bolt tightening process are generally used to tighten the bolts on the yaw instrument using pneumatic wrenches, hydraulic wrenches, etc., such tightening tools in use
• pneumatic wrenches such as pneumatic wrenches, hydraulic wrenches, etc.
• problems such as high noise, large vibration, inconvenient operation, high labor cost, inability to ensure the torque accuracy of the bolts being tightened, and deformation of the yaw parts. More importantly, it is difficult to ensure the assembly quality.
• the noise of the pneumatic wrench is above 90DB
• the noise of the hydraulic wrench is above 80DB.
• torque error of the pneumatic wrench is about 30%
• the torque error of the hydraulic wrench is about 20%.
• the present invention is directed to a uniaxial yaw electric bolt tightening machine.
• the technical solution adopted by the present invention is a single-axis yaw electric bolt tightening machine, which comprises: a base, a bracket, a rotary servo motor, an encoder, an output shaft, a small pulley, a toothed belt, Large pulley, rotating shaft, swivel arm, bushing, guide post, hood bracket, electric tightening shaft assembly, sleeve, reaction force plate, special sleeve, reaction sleeve, servo motor, torque sensor, angle sensor
• the bracket is fixed on the base, the bracket is provided with a rotary servo motor and an encoder, the rotary servo motor is connected with the output shaft, the output shaft is provided with a small pulley, and the small pulley passes the toothed belt and the large pulley In cooperation, the large pulley is connected with
• the electric tightening head, the reaction force supporting plate, the special sleeve and the reaction sleeve; the torque sensor and the angle sensor are connected to the electric tightening shaft assembly through the connecting shaft, and the electric tightening shaft assembly is connected with the reaction force supporting plate by tightening the shaft sleeve.
• the special sleeve is connected to the electric tightening shaft assembly and placed under the reaction force support plate, and the reaction force sleeve is fixed under the reaction force support plate.
• the arm can be rotated 360 degrees in a circular reciprocating motion by the large pulley.
• the guide post includes two guide columns that are parallel to each other and parallel to the rotating arm.
• the sleeve can be slid and positioned relative to the guide post.
• the reaction force strut has a floating amount of 2-3 mm.
• the reaction sleeve includes two reaction sleeves that are symmetrically adjustable by a dedicated sleeve.
• the single-axis yaw electric bolt tightening machine realizes automatic alignment, according to the setting procedure and process requirements through the automatic slewing system, the variable diameter device, the electric tightening head, the automatic cap and the reaction force device.
• the step-by-step and layer-level diagonal tightening of the bolts realizes the memory function for the unqualified bolts, and solves the torque value of the fully automated process of the tightening machine while achieving the process requirements, and tightens the bolts of the yaws of different indexing circles.
• Figure 1 is a schematic view of the structure of the present invention
• Figure 2 is a cross-sectional view of the electric tightening shaft assembly
• Base 1 and 2 are as follows: Base 1, bracket 2, rotary servo motor 3, encoder 4, output shaft 5, small pulley 6, toothed belt 7, large pulley 8, rotary shaft 9 , the arm 10 , the sleeve 11 , the guide post 12 , the cover plate bracket 13 , the electric tightening shaft assembly 14 , the sleeve 15 , the reaction force support plate 16 , Instruction manual
• FIG. 1 and 2 show a schematic diagram of a single-axis yaw electric bolt tightening machine, which mainly comprises: a base 1, a bracket 2, a rotary servo motor 3, an encoder 4, an output shaft 5, a small pulley 6, Toothed belt 7, large pulley 8, rotating shaft 9, rotating arm 10, bushing 11, guide post 12, cover bracket 13, electric tightening shaft total 3 ⁇ 4 ding 4; sleeve barren 5; Plate -1-6; special cylinder 1-7-, -re* sleeve - 1- 8, servo motor-19, torque sensor 20, angle sensor 21, connecting shaft 22; bracket 2 is vertically fixed to the base 1
• the bracket 2 is provided with a rotary servo motor 3 and an encoder 4, the rotary servo motor 3 is connected with the output shaft 5, and the output shaft 5 is provided with a small pulley 6, which passes the toothed belt 7 and the large pulley 8 phases cooperate, the large pulley 8 is connected with the rotating shaft 9, the rotating shaft 9 is connected with
• the working radius of the single-axis yaw electric bolt tightening machine is set by adjusting the relative position of the sleeve 11 on the rotating arm 10 and the guide post 12, and the start button on the operation control panel is operated, and the rotary servo motor 3 is operated to drive the output shaft 5 Rotating, the output shaft 5 drives the small pulley 6 to rotate, the small pulley 6 drives the toothed belt 7 to drive, the toothed belt 7 drives the large pulley 8 to rotate, the large pulley 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the rotating arm 10 for the diagonal movement on the circumference, control the reaction force by controlling the electric tightening shaft assembly 14 Description
• the float of the support plate 16 controls the special sleeve 17 to correct the position of the zero position bolt for the first tightening, and the two reaction force sleeves 18 are protected by the reaction force, and the electric tightening shaft is controlled by the electric tightening control system.
• the tightening sequence is 14 and the location of the unqualified product is memorized while the information is fed back and stored in the computer.
• Step 1 According to the specifications of the yaw instrument, adjust the relative position of the sleeve 11 and the guide column - 12, that is, adjust the working radius of the tightening machine;
• Step 2 According to the specifications of the yaw instrument, select different tightening procedures (such as the number of bolts to be tightened, target torque, control mode, etc.), ie programming (programs of various specifications are already stored in the system);
• Step 3 Press the start button on the control panel and the device will start to work according to the setup procedure.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• General Engineering & Computer Science (AREA)
• Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
• Testing Of Balance (AREA)
• Manipulator (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=45993043

Family Applications (1)

Country Status (5)

Cited By (8)

Families Citing this family (22)

Citations (5)

Family Cites Families (17)

• 2010
  • 2010-10-25 CN CN201010516739XA patent/CN102451993B/zh active Active
  • 2010-12-03 US US13/880,982 patent/US9132538B2/en active Active
  • 2010-12-03 WO PCT/CN2010/001957 patent/WO2012055079A1/zh not_active Ceased
  • 2010-12-03 EP EP10858808.8A patent/EP2633943B1/en active Active
  • 2010-12-03 JP JP2013535234A patent/JP5643902B2/ja active Active

Patent Citations (5)

Non-Patent Citations (1)

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