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CN-117563993-B - Turbine blade jam inspection and clearance integrated device

CN117563993BCN 117563993 BCN117563993 BCN 117563993BCN-117563993-B

Abstract

The invention provides a turbine blade blockage checking and cleaning integrated device which comprises an integrated working platform, a light source module assembly, a gas film hole dredging assembly, a surface attachment cleaning assembly and a control system, wherein the integrated working platform is suitable for placing turbine blades, the light source module assembly is arranged on the integrated working platform and used for checking blockage conditions of the gas film holes on the turbine blades to determine the ventilation state of the gas film holes, the gas film hole dredging assembly is arranged on the integrated working platform and comprises a holding piece and a probe, the probe is suitable for penetrating the gas film holes on the turbine blades to dredge the gas film holes, the surface attachment cleaning assembly is arranged on the integrated working platform to clean attachments on the surfaces of the turbine blades, and the control system is electrically connected with the surface attachment cleaning assembly to control the surface attachment cleaning assembly to operate.

Inventors

  • LI CHUNSONG
  • YANG XUEWEI

Assignees

  • 无锡华天燃气轮机有限公司
  • 无锡华天航空动力有限公司

Dates

Publication Date
20260508
Application Date
20231114

Claims (6)

  1. 1. An integrated turbine blade blockage inspection and clearance device, comprising: An integrated working platform (1) on which the turbine blades are adapted to be placed; The light source module assembly is arranged on the integrated working platform (1) and is used for checking the blocking condition of the air film holes on the turbine blade so as to determine the permeability state of the air film holes; the air film hole dredging assembly is arranged on the integrated working platform (1) and comprises a holding piece (31) and a probe (32), and the probe (32) is suitable for penetrating through an air film hole on the turbine blade to dredge the air film hole; The surface attachment cleaning assembly is arranged on the integrated working platform (1) to clean attachments on the surface of the turbine blade; the control system is electrically connected with the surface attachment cleaning component so as to control the surface attachment cleaning component to operate; the surface attachment cleaning assembly includes: -a blade clamp (41) for fixing the turbine blade; The mechanical arm (42) and the cleaning piece (43), wherein the mechanical arm (42) is connected with the cleaning piece (43), and the mechanical arm (42) is controlled by the control system to drive the cleaning piece (43) to move along the turbine blade profile so as to clean along the turbine blade profile; the dust removing piece is used for adsorbing and cleaning the fallen attachments after the turbine blades are cleaned; The blade clamp (41) comprises; a bottom plate (411) fixedly connected with the integrated working platform (1); The positioning plate (412) is fixedly connected with the bottom plate (411); a movable blade clamping plate (413) is in sliding connection with the bottom plate (411), and a movable blade clamping cavity is arranged between the positioning plate (412) and the movable blade clamping plate (413); the first top fixing piece (414) is movably connected with one end of the bottom plate (411); wherein the movable blade clamping cavity is suitable for placing a movable blade (5) blade root, and the first top fixing piece (414) is configured to rotate under the action of external force so as to drive the movable blade clamping plate (413) to move towards the direction of the positioning plate (412) to clamp the movable blade (5) blade root; a notch matched with the blade root of the movable blade (5) is formed in one side of the movable blade clamping cavity of the movable blade clamping plate (413); the blade clamp (41) further comprises a positioning column (415) which is arranged in the movable blade clamping cavity and fixedly connected with the bottom plate (411), and the positioning column (415) is suitable for being abutted against the front edge of the movable blade (5); The blade clamp (41) further comprises; the second top fixing piece (416) is movably connected with the other end of the bottom plate (411), and the second top fixing piece (416) and the first top fixing piece (414) are arranged on two opposite sides of the positioning plate (412); A guide vane clamping plate (417) which is in sliding connection with the bottom plate (411), wherein a guide vane clamping cavity is arranged between the guide vane clamping plate (417) and the positioning plate (412); The positioning pin is fixedly connected with the positioning plate (412) and arranged in the guide vane clamping cavity, and is suitable for being abutted with the front end of a blade root positioning hole of a guide vane (6) of the turbine blade; wherein the second top firmware (416) is configured to rotate under the action of external force to drive the guide vane clamping plate (417) to move towards the positioning plate (412) so as to clamp the guide vane (6).
  2. 2. The turbine blade blockage inspection and clearance integrated unit of claim 1 wherein the blade clamp (41) is configured to perform rough positioning with the robotic arm (42) after clamping the turbine blade such that the clearance member (43) accurately completes turbine blade clearance.
  3. 3. The turbine blade blockage inspection and clearance integrated apparatus of claim 2 wherein the clearance member (43) clearance path includes a bucket leading edge portion, a bucket leading edge plus basin portion, a vane leading edge portion, and a vane leading edge plus basin portion.
  4. 4. The turbine blade blockage detection and clearance integrated unit of claim 1 wherein the probe (32) includes a straight section probe and a barb probe, the straight section probe head being provided with a threaded pattern.
  5. 5. The turbine blade blockage inspection and clearance integrated device of claim 4 wherein the grip (31) includes: a housing in which a power supply and a controller are provided; and the driving part is connected with the shell, and the driving end of the driving part is connected with the probe (32) so as to drive the probe (32) to rotate around the axis of the probe.
  6. 6. The turbine blade blockage inspection and clearance integrated unit of claim 1, wherein the light source module assembly includes: A lighting control (21); A light emitter (22) electrically connected to the light emitting control member (21); And the luminous section (23) is electrically connected with the illuminator (22), and the luminous section (23) is made of flexible materials so as to enter the turbine blade.

Description

Turbine blade jam inspection and clearance integrated device Technical Field The invention relates to the technical field of aero-engine and gas turbine blade overhauling, in particular to a device for cleaning attachments on the surface of a turbine blade after the turbine blade is used and checking and cleaning air film hole blockage. Background The high-pressure turbine blade has crack defects in use, and most of the high-pressure turbine blade has the defects that the surface attachments of the high-pressure turbine are accumulated and the local blockage of the air film holes causes the local overheating of the high-pressure turbine to induce the generation of cracks. Therefore, the turbine blade must be subjected to the determination of the position of the air film hole blockage, the dredging of the blockage hole and the cleaning of attachments. At present, the blocking position of the air film hole of the turbine blade is determined, the blocking hole is dredged, and attachments are cleaned, so that the blocking performance of the turbine blade is mainly confirmed by manually penetrating through a silver needle, the labor intensity is high, and the working efficiency is low. Disclosure of Invention Therefore, the technical problem to be solved by the invention is that in the prior art, the blocking position of the air film hole is determined, the blocking hole is dredged, and the blocking property is confirmed mainly by manually penetrating through a silver needle, so that the labor intensity is high, and the working efficiency is low. To this end, the present invention provides an integrated turbine blade blockage inspection and clearance device comprising: An integrated work platform adapted to place turbine blades thereon; The light source module assembly is arranged on the integrated working platform and is used for checking the blocking condition of the air film hole on the turbine blade so as to determine the permeability state of the air film hole; the air film hole dredging assembly is arranged on the integrated working platform and comprises a holding piece and a probe, and the probe is suitable for penetrating through an air film hole on the turbine blade to dredge the air film hole; The surface attachment cleaning assembly is arranged on the integrated working platform to clean attachments on the surface of the turbine blade; and the control system is electrically connected with the surface attachment cleaning component so as to control the surface attachment cleaning component to operate. Optionally, the surface attachment cleaning assembly includes: A blade clamp for securing the turbine blade; The mechanical arm is connected with the cleaning piece and is controlled by the control system to drive the cleaning piece to move along the turbine blade profile so as to clean along the blade profile; and the dust removing part is used for adsorbing and cleaning the fallen attachments after the turbine blades are cleaned. Optionally, the blade clamp comprises; The bottom plate is fixedly connected with the integrated working platform; the positioning plate is fixedly connected with the bottom plate; the movable blade clamping plate is in sliding connection with the bottom plate, and a movable blade clamping cavity is arranged between the positioning plate and the movable blade clamping plate; The first top fixing piece is movably connected with one end of the bottom plate; The clamping cavity is internally suitable for placing a movable blade root, and the first top fixing piece is configured to rotate under the action of external force so as to drive the movable blade clamping plate to move towards the direction of the positioning plate, so that the movable blade root is clamped. Optionally, the method comprises; A notch matched with the blade root of the movable blade is formed in one side of the movable blade clamping cavity of the movable blade clamping plate; the blade clamp further comprises a positioning column which is arranged in the movable blade clamping cavity and fixedly connected with the bottom plate, and the positioning column is suitable for being abutted against the front edge of the movable blade. Optionally, the blade clamp further comprises; The second top fixing piece is movably connected with the other end of the bottom plate, and the second top fixing piece and the first top fixing piece are arranged on two opposite sides of the positioning plate; the guide vane clamping plate is in sliding connection with the bottom plate, and a guide vane clamping cavity is arranged between the guide vane clamping plate and the positioning plate; The positioning pin is fixedly connected with the positioning plate and arranged in the guide vane clamping cavity, and is suitable for being abutted with the front end of the guide vane root positioning hole of the turbine blade; The second top fixing piece is configured to rotate under the action of external force so as to drive the guide van