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CN-121978204-A - Turbine blade detection device

CN121978204ACN 121978204 ACN121978204 ACN 121978204ACN-121978204-A

Abstract

The application relates to the technical field of blade detection equipment, in particular to a turbine blade detection device, which comprises a base, wherein a movable detection mechanism is arranged on one side surface of the base, a control system is arranged on the base, a supporting table which is used for placing blades and pushing the blades to rotate for detection is arranged on the base, the supporting table comprises a supporting frame fixed on the base, a supporting rod is connected in a sliding manner in the supporting frame, a support seat is connected to one end part of the supporting rod, which is positioned on one side of the supporting frame and is far away from the base, in a rotating manner, and a fixing area is formed, a vacuum chuck which is used for adsorbing the blades is arranged on the support seat, a pushing block is arranged on one end part of the supporting rod, which is positioned on the other side of the supporting frame and is far away from the base, a hydraulic mechanism which is used for pushing the supporting rod to move is arranged on the base, and the hydraulic mechanism comprises a hydraulic pump and a hydraulic telescopic rod which are fixed on the base, the hydraulic pump is connected with the hydraulic telescopic rod through a hydraulic pipe, and a switch group is arranged on the hydraulic pipe.

Inventors

  • TAN JINBAO
  • HAN JIE
  • FU BO
  • WANG JINQIANG
  • ZENG KE
  • WANG LIUSHENG
  • HAN YONGQING

Assignees

  • 国电投南阳热电有限责任公司

Dates

Publication Date
20260505
Application Date
20251110

Claims (8)

  1. 1. A steam turbine blade detection device comprises a base (1), a movable detection mechanism (2) is arranged on one side surface of the base (1), and a control system is characterized in that a supporting table (3) which is used for placing blades and pushing the blades to rotate for detection is arranged on the base (1), the supporting table (3) comprises a supporting frame (4) which is fixed on the base (1), supporting rods (5) are connected in a sliding mode in the supporting frame (4), the supporting rods (5) are arranged in an array mode, one end portion, far away from the base (1), of each supporting rod (5) on one side edge of the supporting frame (4) is connected with a support (25) in a rotating mode to form a fixed area, a vacuum sucker (6) which is used for adsorbing the blades is arranged on the support (25), pushing blocks are arranged at one end portion, far away from the base (1), of each supporting rod (5) on the other side edge of the supporting frame (4), a hydraulic mechanism which is used for pushing the supporting rods (5) to move is arranged on the base (1), each hydraulic mechanism comprises a hydraulic pump (29) and a hydraulic telescopic rod (8) which are fixed on the base (1), a hydraulic pump (8) and a hydraulic pipe (27) which is connected with the hydraulic pump (8) in a one-to-one mode, and a hydraulic pump (27) is arranged on the telescopic rod (8), when the switch group is opened, the support rod (5) at the set position moves upwards and pushes the blade to rotate along the position where the vacuum chuck (6) adsorbs the blade.
  2. 2. The steam turbine blade detection device of claim 1, wherein a slide way (9) for supporting the movement of the rod (5) is arranged in the supporting frame (4), positioning blocks (10) are arranged on the inner wall of the slide way (9), the plurality of positioning blocks (10) are arranged in a central symmetry mode relative to the middle position of the slide way (9), and positioning grooves matched with the positioning blocks (10) are formed in the supporting rod (5).
  3. 3. The steam turbine blade detecting device of claim 1, wherein the end part of the supporting rod (5) is provided with a groove (11), the supporting seat (25) is provided with a connecting end (12) matched with the groove (11), the supporting rod (5) is provided with transverse holes at the position of the groove (11) and the connecting end (12), a structure that the supporting seat (25) rotates along the transverse shaft (13) after the transverse shaft (13) passes through the supporting rod (5) and the connecting end (12) is formed, the connecting end (12) is provided with an elastic bulge (14), and the inner wall of the groove (11) is provided with a clamping groove (15) matched with the elastic bulge (14).
  4. 4. The steam turbine blade detecting device according to claim 1, wherein the support (25) is provided with round holes for fixing the vacuum chucks (6), the base (1) is provided with vacuum pumps communicated with the vacuum chucks (6), and the vacuum pumps are communicated with the vacuum chucks (6) through air pipes.
  5. 5. A steam turbine blade detecting device according to claim 1, wherein the pushing block is glued to the supporting rod (5), and one end of the block far away from the supporting rod (5) is hemispherical.
  6. 6. The steam turbine blade detecting device according to claim 1, wherein the switch group comprises a first switch (16) and a second switch (17) which are arranged along the vertical direction of the hydraulic pipe (27), the base (1) is connected with push bars (18) in a sliding manner, first clamping rings (19) which are matched with the first switch (16) for use are arranged on the push bars (18), the first clamping rings (19) are arranged in a one-to-one correspondence with the first switch (16), the push bars (18) are arranged in a plurality and uniformly spaced mode along the horizontal direction, push rod motors (20) connected with the push bars (18) are arranged on the base (1), and when the push bars (18) move, the first switches (16) on the hydraulic pipes (27) arranged in rows are all opened.
  7. 7. A steam turbine blade detection device as claimed in claim 6, wherein a plurality of push posts (21) are slidably connected to the base (1), the push posts (21) are arranged vertically to the push bars (18), second clamping rings (22) matched with the second switches (17) are arranged on the push posts (21), the second clamping rings (22) are arranged in one-to-one correspondence with the second switches (17), push rod motors (20) connected with the push posts (21) are arranged on the base (1), and when the push posts (21) move, the second switches (17) on the hydraulic pipes (27) arranged in a row are all opened.
  8. 8. The steam turbine blade detecting device as claimed in claim 7, wherein the base (1) is provided with a sliding rail (23) for moving the push bar (18), and the base (1) is provided with a sliding frame (24) for moving the push column (21).

Description

Turbine blade detection device Technical Field The application relates to the technical field of blade detection equipment, in particular to a turbine blade detection device. Background The turbine blade is a core acting component in power generation and power equipment, and has the defects of surface smoothness, molded line precision, crack or abrasion in the turbine blade, and the like, so that the operation efficiency, output power and safety stability of the turbine are directly determined. Because the blade is in the complicated working condition of high temperature, high pressure and high speed rotation for a long time, the problems of fatigue crack, edge abrasion, surface corrosion and the like are easy to occur, and therefore, the ultrasonic detection of the blade is required to be carried out regularly. However, the conventional turbine blade detection device has the problems that most of blades are of an irregular curved surface structure, the conventional detection device adopts a fixed support or a single clamping mechanism, the surfaces of the blades with different curvatures cannot be adapted, the blades are easy to deform if the blades are too tightly fixed, the blades are easy to deviate in the detection process if the blades are too loose, meanwhile, the blades are required to be manually turned for realizing the full-angle detection, the operation is complicated, the detection blind areas are easy to miss, and the detection comprehensiveness cannot be ensured. Disclosure of Invention In order to improve the detection efficiency of the turbine blade, the application provides a turbine blade detection device. The application provides a steam turbine blade detection device which adopts the following technical scheme that the steam turbine blade detection device comprises a base, wherein a movable detection mechanism is arranged on one side surface of the base, a control system is arranged on the base, a supporting table which is used for placing blades and pushing the blades to rotate for detection is arranged on the base, the supporting table comprises a supporting frame fixed on the base, a plurality of supporting rods are connected in a sliding mode in the supporting frame, the supporting rods are arranged in an array mode, a support seat is connected to one end portion, far away from the base, of one side edge of the supporting frame, of each supporting rod, a vacuum chuck used for adsorbing the blades is arranged on the support seat, a pushing block is arranged at one end portion, far away from the base, of each supporting rod, which is positioned on the other side edge of the supporting frame, of each supporting rod is provided with a pushing block, a hydraulic mechanism used for pushing the supporting rods to move is arranged on the base, the hydraulic mechanism comprises a hydraulic pump and a hydraulic telescopic rod which are fixed on the base, the hydraulic pump and the hydraulic telescopic rod are arranged in one-to-one correspondence with the supporting rod, a switch group is arranged on the hydraulic tube, and after the switch group is opened, the supporting rod at a set position moves upwards and pushes the blades to rotate along the position of the vacuum chuck to adsorb the blades. Optionally, be provided with the slide that is used for the bracing piece to remove in the carriage, the slide inner wall is provided with the locating piece, the locating piece has a plurality ofly and is central symmetry setting about the slide intermediate position, be provided with the constant head tank that uses with the locating piece cooperation on the bracing piece. Optionally, the bracing piece tip is provided with the recess, be provided with the link that uses with the recess cooperation on the support, the bracing piece is located the position of recess and all is provided with the cross bore on the link, forms the cross shaft and passes behind bracing piece and the link, and the support is along the rotatory structure of cross shaft, be provided with the elastic bulge on the link, the recess inner wall is provided with the joint groove that uses with the elastic bulge cooperation. Optionally, be provided with the round hole that is used for fixed vacuum chuck on the support, be provided with the vacuum pump with each vacuum chuck intercommunication on the base, vacuum pump and vacuum chuck pass through the trachea intercommunication. Optionally, the push block is glued to the support rod, and one end of the block away from the support rod is hemispherical. Optionally, the switch group includes first switch and the second switch that set up along the vertical direction of hydraulic pipe, and sliding connection has the push rod on the base, be provided with the first rand that uses with first switch cooperation on the push rod, first rand and first switch one-to-one set up, the push rod has a plurality ofly and evenly sets up along the horizontal direction interval, is provided with on