CN-117047215-B - Fuel engine sector section brazing equipment

CN117047215BCN 117047215 BCN117047215 BCN 117047215BCN-117047215-B

Abstract

The invention belongs to the field of brazing equipment, and particularly relates to a fan-shaped section brazing equipment for a gas turbine, which comprises a bottom plate and is characterized in that the bottom plate is fixedly connected with two groups of clamps, a lower blade type plate and an upper blade type plate are clamped and fixed between the two groups of clamps, a plurality of stator blades are fixedly connected between the lower blade type plate and the upper blade type plate, an arc-shaped chute plate is fixedly connected to the upper side of the bottom plate, a sliding seat is connected to the arc-shaped chute plate in a sliding transmission manner, a mechanical arm with a plurality of degrees of freedom is rotatably connected to the sliding seat, and a cleaning coating component for cleaning a welding position and coating paste brazing filler metal is fixedly connected to the rotating end of the mechanical arm far away from the sliding seat. The invention can smear the paste brazing filler metal on the welding part of the fan-shaped section of the combustion engine and clean the welding part by using the elastic cleaning felt, so as to ensure the smearing and welding effects, and the elastic inner container and the elastic cleaning felt are expanded to enlarge the cleaning area by increasing the smearing amount, so that the area of the cleaning part is ensured to be consistent with that of the coating part.

Inventors

Cong Runzhang
SUN SHAOPENG
YUE HUIBO
GUO HONGYUN
WANG CHEN

Assignees

哈尔滨亦航动力机械有限公司

Dates

Publication Date: 20260508
Application Date: 20230919

Claims (4)

1. The utility model provides a fan-shaped section brazing equipment of combustion engine, includes bottom plate (10), its characterized in that, bottom plate (10) upside is according to circular arc direction symmetric distribution fixedly connected with two sets of anchor clamps (11), two sets of centre gripping between anchor clamps (11) are fixed with down She Xingban (12) and last leaf profile board (14), evenly distributed fixedly connected with a plurality of stator blade (13) according to last leaf profile board (14) pitch arc direction between down She Xingban (12) and the last leaf profile board (14), every stator blade (13) are fixed through spot welding in advance with down leaf profile board (12) and last leaf profile board (14), one side fixedly connected with arc chute board (19) of going away from last leaf profile board (14) of bottom plate (10) upside, the sliding transmission of arc chute board (19) is connected with sliding seat (15), the rotation in the upside department that is located outside arc chute board (19) is connected with a plurality of freedom degree arm (16), the rotation department that keeps away from sliding seat (15) is used for the paste-like coating material fixed connection department of cleaning up; The coating component comprises a fixing rod (20), the fixing rod (20) is fixedly connected with the rotating end of the mechanical arm (16) far away from the sliding seat (15), one end of the fixing rod (20) far away from the mechanical arm (16) is fixedly connected with a first fixing seat (22), one end of the first fixing seat (22) close to the bottom plate (10) is fixedly connected with a dryer (27), the dryer (27) and the first fixing seat (22) are fixedly connected through a plurality of screws (39), one side of the dryer (27) close to the mechanical arm (16) is fixedly connected with a second shaft seat (34), one side of the dryer (27) far away from the mechanical arm (16) is fixedly connected with a first shaft seat (28), the dryer (27) is fixedly connected with the second shaft seat (34) and a gear box (38) through a plurality of screws (39), two ends of the first shaft seat (28) far away from the first fixing seat (22) are symmetrically distributed and rotationally connected with a second fixing seat (43), two spherical elastic inner liners (42) are fixedly connected with two spherical inner elastic inner liners (42) between the two spherical inner fixing seats (43); The center of a second fixing seat (43) in the first shaft seat (28) is fixedly connected with a hollow second hollow shaft (46), the center of the second fixing seat (43) in the second shaft seat (34) is fixedly connected with a hollow first hollow shaft (45) coaxial with the second hollow shaft (46), the first hollow shaft (45) and the second hollow shaft (46) are fixedly connected with two ends of the elastic inner container (42), one side of the first fixing seat (22) close to the mechanical arm (16) is positioned at the lower side of the first fixing seat (22) and is rotationally connected with a transmission shaft (21), one end of the transmission shaft (21) far away from the first fixing seat (22) is in transmission connection with a gear box (38) fixedly connected with the rotating end of the mechanical arm (16) far away from the sliding seat (15), one side of the gear box (38) far away from the fixed rod (20) is fixedly connected with a motor (37), the power output end of the motor (37) is in transmission connection with the gear box (38), one end of the first hollow shaft (45) stretches out of the second fixing seat (43) is fixedly connected with a driving wheel (25) on the circumferential surface of the driven wheel (25), the driving wheel (25) is correspondingly positioned at the fixed position of the driven wheel (25), a synchronous belt (24) is connected between the driving wheel (23) and the driven wheel (25) in a meshed transmission manner; The coating device comprises a first hollow shaft (45) and a second hollow shaft (46), wherein a plurality of through grooves (47) are uniformly distributed on the circumferential surfaces of the two ends of the first hollow shaft (45) and the second hollow shaft (46) in an elastic inner container (42), a chute (29) is formed at one side of a first shaft seat (28) away from a second shaft seat (34), a hollow coating head (32) is connected in a sliding manner in the chute (29), a communication port (48) communicated with the opening of the second hollow shaft (46) is formed at one side, close to the second hollow shaft (46), of the coating head (32), a coating port (44) communicated with the interior of the coating head (32) is formed at the lower end of the coating head (32), an electromagnetic valve (33) is fixedly connected to the upper side of the first shaft seat (28) at the corresponding position of the chute (29), a telescopic rod (31) which is connected in a sliding manner in the chute (29) in a sliding manner is connected with the telescopic rod (31) which is connected in a sliding manner, one end, close to the telescopic rod (31) away from the electromagnetic valve (33) is fixedly connected with the coating head (32), and the telescopic rod (31) is fixedly connected with the outer side, close to the electromagnetic valve (33), of the electromagnetic valve (32), and the telescopic rod (30) is fixedly connected with the telescopic rod (30) at the side, which surrounds the side of the electromagnetic valve (31).
2. The fan-shaped section brazing equipment for the gas turbine according to claim 1, wherein an air cavity (36) is formed in the dryer (27), a hairbrush layer (41) with gaps, which is attached to the elastic cleaning felt (35), is fixedly connected to one side, close to the elastic cleaning felt (35), of the dryer (27), a plurality of air grooves (40) which are communicated with the air cavity (36) are uniformly distributed on one side, close to the elastic cleaning felt (35), of the dryer (27), and two connectors (26) which are communicated with the air cavity (36) are symmetrically distributed on two opposite sides of the dryer (27).
3. A gas turbine sector brazing apparatus according to claim 1, characterized in that a feeder (17) for feeding cream brazing material is fixedly connected to a corner of the upper side of the base plate (10), said feeder (17) being connected to the end of the first hollow shaft (45) extending beyond the driven wheel (25) by means of a hose.
4. A gas turbine sector brazing apparatus according to claim 3, characterized in that the upper side of the feeder (17) is fixedly connected with a hot air blower (18) for supplying dry hot air, and the air inlet and the air outlet of the hot air blower (18) are respectively connected with two connectors (26) through hoses.

Description

Fuel engine sector section brazing equipment Technical Field The invention belongs to the field of brazing equipment, and particularly relates to a fan-shaped section brazing equipment of a combustion engine. Background Before carrying out the operation of brazing to the fan-shaped section of combustion engine, assemble stator blade and blade profile board at first and fix through spot welding, then scribble different volume cream brazing filler metals according to the processing demand at the braze joint between stator blade and the blade profile board, then put into the vacuum brazing furnace and braze, and current braze welding equipment has following shortcoming: The position of the coating cannot be guaranteed to have no water stain, greasy dirt impurities and the like in the process of coating the brazing material, so that the brazing quality is not fully influenced due to the fact that the brazing joint of the brazing material and the workpiece is relieved, the size of the coating amount cannot be changed at different positions according to processing requirements, the size of the cleaning area cannot be dynamically changed according to the change of the coating amount, and the coating quality of the brazing material cannot be guaranteed. Disclosure of Invention Aiming at the problems in the prior art, the invention provides a fan-shaped section brazing device of a gas turbine, which can clean and paint a workpiece brazing joint accurately and stably by using a mechanical arm with multiple degrees of freedom, clean the brazing joint by using a spherical elastic cleaning felt, simultaneously play a role in profiling and positioning, ensure that the position of the paint is not affected by vibration while ensuring that the welding flux is fully contacted with the workpiece, simultaneously increase the pressure of the injection material and increase the amount of the paint, simultaneously expand an elastic liner and an elastic cleaning felt by the pressure of the injection material synchronously, thereby increasing the contact area between the elastic cleaning felt and the workpiece, ensuring that the brazing material is always fully contacted with the workpiece without impurities, and controlling the closing and opening of the paint by using an electromagnetic valve, avoiding that the redundant brazing material falls on the surface of the workpiece after the coating is finished and forming welding slag on the surface of the workpiece after the brazing furnace is processed. The invention can be realized through the following technical scheme that the fan-shaped section brazing equipment of the gas turbine comprises a bottom plate and is characterized in that two groups of clamps are symmetrically and fixedly connected to the upper side of the bottom plate in an arc direction, a lower blade type plate and an upper She Xingban are fixedly clamped between the two groups of clamps, a plurality of stator blades are uniformly and fixedly connected between the lower blade type plate and the upper blade type plate in an arc direction of the upper blade type plate, each stator blade is fixedly connected with the lower blade type plate and the upper blade type plate in advance through spot welding, an arc-shaped chute plate is fixedly connected to one side of the upper side of the bottom plate, far away from the upper blade type plate, a sliding seat is connected to the upper side of the arc-shaped chute plate in a sliding transmission mode, a plurality of mechanical arms are rotatably connected to the upper side of the sliding seat, and a cleaning coating component for cleaning a paste-shaped welding position and coating brazing filler metal is fixedly connected to the rotating end of the mechanical arm, far away from the sliding seat. The device can flexibly and accurately move the cleaning paint parts at the brazing connection positions between the workpieces, and ensures the stability and accuracy of paint. Preferably, the coating component comprises a fixing rod, the fixing rod is fixedly connected with the rotating end of the mechanical arm away from the sliding seat, one end of the fixing rod away from the mechanical arm is fixedly connected with a first fixing seat, one end of the first fixing seat close to the bottom plate is fixedly connected with a dryer, the dryer is fixedly connected with the first fixing seat through a plurality of screws, one side of the dryer close to the mechanical arm is fixedly connected with a second shaft seat, one side of the dryer away from the mechanical arm is fixedly connected with a first shaft seat, the dryer is respectively connected with the second shaft seat and the gear box through a plurality of screws, the first shaft seat and the second shaft seat are symmetrically distributed in two ends of the first fixing seat to be rotationally connected with a second fixing seat, two inside hollow spherical elastic inner containers are fixedly connected between the second f