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CN-122007717-A - Mixer cyclone blade installation positioning device

CN122007717ACN 122007717 ACN122007717 ACN 122007717ACN-122007717-A

Abstract

The invention relates to the technical field of cyclones and discloses a cyclone blade mounting and positioning device of a mixer, which comprises a cyclone conical shell, wherein a cyclone central body is inserted in the cyclone conical shell, positioning jacks are circumferentially arranged outside the central body, bolts are inserted in the central body, a positioning table is arranged at the outer end of each bolt, a clamping groove is formed in the outer surface of each positioning table to insert the cyclone blade, and a positioning sleeve is connected to the inner wall of the central body corresponding to each positioning jack. Slots are arranged on both sides of the inner walls of the positioning jack and the positioning sleeve, positioning sleeve inner wall slot the bottom of the groove is provided with a limit ring groove, the two sides of the outer part of the positioning table are connected with positioning plates, the two sides of the outer part of the bolt are provided with ball heads. The inner side of the positioning plate is provided with a strip-shaped groove, the two sides of the outer part of the cyclone blade are correspondingly provided with convex strips and inserted into the strip-shaped grooves. The device promotes blade and locating bench welding stability through draw-in groove and sand grip cooperation, and the perpendicular direction location can be accomplished to rotor blade after the bolt inserts the location jack, makes things convenient for locating bench and center body welding, ensures that the installation is steady and welding quality.

Inventors

  • SONG JINKAI
  • ZHOU QUAN
  • WANG HAOYU
  • CAO HAOBO
  • YU FENG

Assignees

  • 中科航星科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260225

Claims (10)

  1. 1. A mixer swirler vane mounting and positioning device, comprising: The cyclone cone-shaped shell (1), wherein a cyclone center body (2) is inserted into the cyclone cone-shaped shell (1), a positioning jack (3) is formed in the outer circumference of the cyclone center body (2), and a bolt (4) is inserted into the cyclone cone-shaped shell; The positioning table (5) is arranged at the outer end of the bolt (4), a clamping groove (6) is formed in the outer surface of the positioning table (5), a cyclone blade (7) is inserted into the clamping groove (6), and positioning sleeves (8) are connected to the inner wall of the cyclone center body (2) at positions corresponding to the positioning jacks (3); The slot (9) is formed in two sides of the inner wall of the positioning jack (3) and the positioning sleeve (8), a limiting ring groove (10) is formed in the bottom of the slot (9) on the inner wall of the positioning sleeve (8), positioning plates (14) are connected to two sides of the outer part of the positioning table (5), and ball heads (11) are arranged on two sides of the outer part of the plug pin (4); The strip-shaped grooves (16) are formed in the inner sides of the positioning plates (14), raised strips (17) are arranged on two sides of the outer portions of the cyclone blades (7) at positions corresponding to the strip-shaped grooves (16), and the raised strips (17) are inserted into the strip-shaped grooves (16).
  2. 2. The device for installing and positioning the blades of the mixer cyclone according to claim 1, wherein the inside of the plug pin (4) is of a hollow structure, an inner column (12) is inserted into the inside of the plug pin (4), the top end of the inner column (12) is connected with the outside of the positioning table (5), and a graphite filling layer (13) is filled between the inner column (12) and the plug pin (4).
  3. 3. The mixer cyclone blade mounting and positioning device according to claim 1, wherein the notch of the slot (9) penetrates through the outer surface of the cyclone central body (2), the inside of the slot (9) is communicated with the inside of the strip-shaped groove (16), and the notch of the slot (9) is provided with a chamfer.
  4. 4. The mixer cyclone blade installation and positioning device according to claim 1, wherein welding end faces (15) are arranged at positions, corresponding to the outer sides of the cyclone blades (7), on the upper side and the lower side of the inner wall of the cyclone conical shell (1), and the outer sides of the cyclone blades (7) are connected with the inner wall of the cyclone conical shell (1) through the welding end faces (15).
  5. 5. The device for installing and positioning the swirler vanes of the mixer according to claim 1, wherein the opening depth of the clamping groove (6) is half of the thickness of the positioning table (5), the clamping end of the swirler vanes (7) is provided with a matching groove (18) at a position corresponding to the clamping groove (6), and the opening depth of the matching groove (18) is the same as that of the clamping groove (6).
  6. 6. The device for installing and positioning the blades of the mixer cyclone as claimed in claim 1, wherein the openings of the strip-shaped grooves (16) penetrate through the outer ends of the positioning plates (14), arc chamfers are arranged at the openings of the strip-shaped grooves (16), and the lengths of the raised strips (17) are larger than the lengths of the positioning plates (14).
  7. 7. The device for installing and positioning the blades of the mixer cyclone as claimed in claim 1, wherein the outer surfaces of the raised strips (17) are provided with anti-skidding patterns, the anti-skidding patterns are of a transverse sawtooth-shaped structure, and the anti-skidding patterns are in interference fit with the inner walls of the strip-shaped grooves (16).
  8. 8. The device for installing and positioning the blades of the cyclone of the mixer according to claim 1, wherein a reinforcing rib ring is additionally arranged around an opening of a positioning jack (3) on the surface of the central body (2) of the cyclone, the reinforcing rib ring and the surface of the central body (2) of the cyclone are integrally formed, and the section of the reinforcing rib ring is elliptical.
  9. 9. The device for installing and positioning the blades of the mixer cyclone as claimed in claim 5, wherein the middle part of the bottom of the clamping groove (6) is provided with a positioning blind hole, the clamping surface of the matching groove (18) is fixedly connected with a positioning convex column at a position corresponding to the positioning blind hole, and the positioning convex column is in clearance fit with the positioning blind hole.
  10. 10. The device for installing and positioning the blades of the mixer cyclone as set forth in claim 1, wherein the positioning table (5) is of a double-material composite structure, the clamping groove (6) area of the positioning table (5) is made of high-temperature-resistant alloy, the rest area of the positioning table (5) is made of structural steel, and the positioning table and the clamping groove are integrally welded.

Description

Mixer cyclone blade installation positioning device Technical Field The invention relates to the technical field of cyclones, in particular to a mixer cyclone blade mounting and positioning device. Background The blades of the cyclone have an important role in ensuring the temperature uniformity of the gas after blending in the mixer. The blades are arranged between the conical shell of the cyclone and the central body of the cyclone, and play a role in connecting the conical shell and the central body of the cyclone. Meanwhile, the number of the blades is generally multiple, so that the final blending of the gas is performed, and the uniformity of the temperature of the outlet is ensured. The welding of common swirler vane, swirler cone shell and swirler center body adopts direct welded mode, but this kind of mode can let swirler vane produce the heat altered shape owing to the high temperature, and the size of blade is bigger, and the higher high temperature is, the heat altered shape that produces is also bigger for when the heat altered shape that produces does not release, the thermal stress that makes the welding position at both ends of blade concentrates, leads to welding failure, and because the cone shell of swirler is cylindrical structure, and the interval with the swirler center body is less, the weight of single blade is heavier, has very big degree of difficulty to the installation location, can not satisfy the operational requirement of swirler, for this reason proposes a blender swirler vane installation positioner. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a mixer cyclone blade installation positioning device to solve the technical problems of poor welding quality and high difficulty in the installation process. In order to achieve the purpose, the invention provides the following technical scheme that the mixer cyclone blade mounting and positioning device comprises: The cyclone cone-shaped shell is internally inserted with a cyclone center body, the outer circumference of the cyclone center body is provided with positioning jacks, and the inside provided with the positioning jacks is inserted with bolts; The positioning table is arranged at the outer end of the bolt, a clamping groove is formed in the outer surface of the positioning table, a cyclone blade is inserted in the clamping groove, and positioning sleeves are connected to the inner wall of the cyclone center body at positions corresponding to the positioning insertion holes; The slot is formed in two sides of the inner wall of the positioning jack and the positioning sleeve, a limit ring groove is formed in the inner wall of the positioning sleeve, which is positioned at the bottom of the slot, two sides of the outer part of the positioning table are connected with positioning plates, and two sides of the outer part of the bolt are provided with ball heads; The strip-shaped groove is formed in the inner side of the positioning plate, convex strips are arranged on the two sides of the outer part of the cyclone blade and correspond to the strip-shaped groove, and the convex strips are inserted into the strip-shaped groove. Preferably, the inside of bolt is hollow structure, the inside of bolt is inserted and is equipped with the inner column, the top of inner column is connected with the outside of locating bench, it has graphite filling layer to fill between inner column and the bolt, and the bolt is hollow and the inner column of interpolation, cooperates the graphite filling layer, both lightens weight and reinforcing structural stability, promotes heat conduction efficiency simultaneously, ensures that the installation location is accurate reliable. Preferably, the notch department of slot all runs through the surface of swirler center body, the inside of slot is linked together with the inside in bar groove, the chamfer has been seted up to the notch of slot, and the slot runs through the surface and communicates with the bar groove, sets up the chamfer, is convenient for align fast and inserts, reduces installation error, promotes blade positioning efficiency and accuracy. Preferably, the welding end faces are arranged at the positions, corresponding to the outer sides of the cyclone blades, of the upper side and the lower side of the inner wall of the cyclone conical shell, the outer sides of the cyclone blades are connected with the inner wall of the cyclone conical shell through the welding end faces, the welding end faces are arranged on the inner wall of the cyclone conical shell, the blades and the shell are welded more firmly, the overall structural strength is enhanced, stable operation of the cyclone is ensured, and the service life is prolonged. Preferably, the depth of seting up of draw-in groove is half of the thickness of locating bench, the cooperation groove has been seted up to the joint end of swirler blade and the corresponding position of draw-in groove, the de