CN216107120U

CN216107120U - Heat treatment device capable of improving comprehensive performance of yawing gear ring

Info

Publication number: CN216107120U
Application number: CN202122520752.9U
Authority: CN
Inventors: 王忠波
Original assignee: Dalian Teleixi Rotary Bearing Co ltd
Current assignee: Dalian Teleixi Rotary Bearing Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-22
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a heat treatment device capable of improving comprehensive performance of a yaw gear ring, which belongs to the technical field of induction heat treatment and comprises a heat treatment main body, wherein three electromagnetic rings are arranged on the inner wall of the heat treatment main body, an annular ventilation groove is formed in the inner wall of the heat treatment main body, the lower surface of the inner wall of the heat treatment main body is fixedly connected with the bottom end of a hydraulic lifting column, and the outer surface of the heat treatment main body is hinged with the outer surface of a heat treatment upper cover through a pin shaft. This can promote heat treatment facilities of driftage ring gear comprehensive properties, because the fixture block, screw post and thread cylinder are to the fixed of driftage ring gear, prevent that the driftage ring gear from taking place to warp in heat treatment process, the hot plate preheats the driftage ring gear, because the driftage ring gear has carried out whole preheating, the pliability and the toughness of driftage ring gear inner circle have been promoted, owing to avoided the inhomogeneous phenomenon of tooth cooling with cold wind cooling, the crackle appears after having reduced thermal treatment, the uneven problem of hardness.

Description

Heat treatment device capable of improving comprehensive performance of yawing gear ring

Technical Field

The utility model belongs to the technical field of induction heat treatment, and particularly relates to a heat treatment device capable of improving the comprehensive performance of a yawing gear ring.

Background

The wind power internal deflection gear ring is an important basic part of a transmission mechanism of wind power generation equipment. The wind power internal yaw gear ring is installed in a narrow space, and once a fault occurs, the repair is very difficult, so that the performance of the wind power internal yaw gear ring has higher requirements than that of common machinery, and the wind power internal yaw gear ring needs to be subjected to strengthening treatment. Carburizing, nitriding and induction quenching are mainly adopted at home and abroad to strengthen the wind power super large gear ring. With the continuous and deep development of the industry, the precision requirement on the workpiece is higher and higher, so that the prevention of the workpiece from deforming in the heat treatment process of the workpiece forms an essential link, particularly for a large yaw gear ring, the deformation complexity is more prominent, and the prevention of the workpiece from deforming in the heat treatment process is particularly important. In the prior art, each gear ring usually comprises 20-30 teeth, and when the gear rings are subjected to heat treatment, the teeth on the yawing gear ring need to be subjected to heat treatment one by one, so that the heat treatment efficiency of the gear rings is low, the heat treatment process is troublesome, the hardness of the bottom of each tooth is easily reduced, the service life of the gear rings is shortened, cooling liquid is sprayed simultaneously in the tooth-by-tooth heating process for cooling, the temperature in the wall thickness direction is not uniform, great heat stress can be generated, the treatment result is influenced, and cracks and uneven hardness can occur. The cost of the existing large-scale induction heating equipment is higher than that of the traditional heat treatment furnace, and the workpiece to be treated needs to be better treated by the induction heat treatment equipment, so that the processing adaptability is stronger.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a heat treatment device capable of improving the comprehensive performance of a yawing gear ring, and solves the problems that the yawing gear ring is deformed and teeth on the yawing gear ring are subjected to heat treatment one by one in the heat treatment process, so that the heat treatment efficiency of the yawing gear ring is low, the heat treatment process is troublesome, the hardness of the bottom of each tooth is easily reduced, the service life of the gear ring is shortened, cooling liquid is sprayed simultaneously in the tooth-by-tooth heating process for cooling, the temperature in the wall thickness direction is extremely uneven, great thermal stress can be generated, the treatment result is influenced, cracks can occur, and the hardness is uneven.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a can promote heat treatment device of driftage ring gear comprehensive properties, includes the heat treatment main part, the inner wall of heat treatment main part is provided with three electromagnetic ring, the inner wall of heat treatment main part is provided with annular ventilation groove, eight ventilation holes have evenly been seted up to the surface of heat treatment main part, the lower surface of heat treatment main part inner wall and the bottom fixed connection of hydraulic pressure lift post, the surface of heat treatment main part is articulated through the surface of round pin axle with the heat treatment upper cover, the surface of heat treatment main part and the right flank fixed connection of controller, the fresh air inlet has been seted up to the surface of heat treatment main part.

As a further scheme of the utility model: the left side face of the air inlet hole is communicated with the right end of the ventilation pipe, the other end of the ventilation pipe is communicated with the upper surface of the air compressor through the air outlet, and the left side face of the air compressor is provided with an air suction opening.

As a further scheme of the utility model: the surface of hydraulic pressure lift post is articulated mutually through the inner wall of fixed block through the fixed orifices, the surface of fixed block is provided with four screw thread section of thick bamboos respectively, the inner wall of screw thread section of thick bamboo and the surface threaded connection of screw post, the left surface of screw post and the right flank fixed connection of fixture block.

As a further scheme of the utility model: the outer surface of the heat treatment upper cover is fixedly connected with the lower surface of the U-shaped handle, and the front surface of the heat treatment upper cover is fixedly connected with the back surface of the heating plate.

As a further scheme of the utility model: the left surface of controller is provided with the hot plate controller, the left surface of controller is provided with the electromagnetic coil controller, the left surface of controller is provided with the lift post controller.

As a further scheme of the utility model: a plurality of ventilation openings are formed in the inner wall of the annular ventilation groove, and a clamping groove is formed in the left side face of the clamping block.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the heat treatment device capable of improving the comprehensive performance of the yawing gear ring is characterized in that clamping grooves of four clamping blocks are respectively fixed on the inner wall of the yawing gear ring through screw posts and thread cylinders, the clamping blocks, the screw posts and the thread cylinders are used for fixing the yawing gear ring, deformation of the yawing gear ring in the heat treatment process is prevented, the four thread cylinders are respectively fixed on the outer surface of the fixing block, the fixing block is fixed on the outer surface of a hydraulic lifting post through a set fixing hole, a heat treatment upper cover is downwards covered on the upper surface of a heat treatment main body through a rotating pin shaft, a yawing gear ring is covered on the lower surface of a heating plate, a heating plate controller is started, the yawing gear ring is preheated by the heating plate, the yawing gear ring is integrally preheated, the flexibility and toughness of an inner ring of the yawing gear ring are improved, and the yawing gear ring falls into the range of a ventilation opening of an annular ventilation groove through the hydraulic lifting post, the air compressor is started, cold air is pumped into the air compressor through the air suction opening, the cold air is compressed through the air compressor, then the compressed cold air is discharged through the air outlet, the compressed cold air enters the annular ventilation groove through the ventilation pipe, and is sprayed out through the ventilation opening of the annular ventilation groove to act on the teeth of the yawing gear ring to quench and cool the teeth of the yawing gear ring, and the problems of cracks and uneven hardness after heat treatment are solved because the teeth are cooled by cold air, and the phenomenon of uneven cooling of the teeth is avoided;

2. according to the heat treatment device capable of improving the comprehensive performance of the yawing gear ring, the yawing gear ring heated by the preheating plate is lowered to the range of the electromagnetic ring through the hydraulic lifting column, the electromagnetic ring controller is started, teeth of the yawing gear ring are heated in the electromagnetic ring, and after the teeth of the yawing gear ring are heated to a critical point, all the teeth can be simultaneously heated due to the fact that the teeth of the yawing gear ring are heated through the electromagnetic ring, so that the heat treatment efficiency of the yawing gear ring is improved, the heat treatment process is simpler, and each tooth is thoroughly heated;

3. this can promote heat treatment facilities of driftage ring gear comprehensive properties, accomplish the back through thermal treatment, the ring gear that will driftage rises to the top through hydraulic lifting column, raise the fixed point through U-shaped handle heat treatment upper cover, take off the fixed block from hydraulic lifting column through the fixed orifices, wait the thorough cooling back of drift ring gear, take off through four fixture blocks of screw section of thick bamboo and screw post with fixed driftage ring gear, because the ring gear that drifts is at whole cooling process, the screw section of thick bamboo, screw post and fixture block are all at fixed driftage ring gear always, the phenomenon that the ring gear that has driftage takes place to warp has been reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic three-dimensional structure of the fixing block of the present invention;

FIG. 3 is a schematic perspective view of a heat-treated upper cover according to the present invention;

FIG. 4 is a schematic perspective view of the controller according to the present invention;

in the figure: 1 heat treatment main part, 2 electromagnetic rings, 3 annular ventilation grooves, 4 hydraulic lifting columns, 5 ventilation holes, 6 fixing blocks, 7 pin shafts, 8 heat treatment upper covers, 9 controllers, 10 air inlet holes, 11 ventilation pipes, 12 air outlets, 13 air compressors, 14 air suction ports, 15 threaded cylinders, 16 screw columns, 17 clamping blocks, 18 fixing holes, 19U-shaped handles, 20 heating plates, 21 heating plate controllers, 22 electromagnetic ring controllers and 23 lifting column controllers.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a heat treatment device capable of improving comprehensive performance of a yawing gear ring comprises a heat treatment main body 1, three electromagnetic rings 2 are arranged on the inner wall of the heat treatment main body 1, an annular ventilation groove 3 is arranged on the inner wall of the heat treatment main body 1, a plurality of ventilation openings are formed in the inner wall of the annular ventilation groove 3, the yawing gear ring can be better cooled, eight ventilation holes 5 are uniformly formed in the outer surface of the heat treatment main body 1, due to the arrangement of the ventilation holes 5, the temperature in the heat treatment main body 1 can be rapidly reduced during cooling, the lower surface of the inner wall of the heat treatment main body 1 is fixedly connected with the bottom end of a hydraulic lifting column 4, due to the arrangement of the hydraulic lifting column 4, the proceeding of the yawing gear ring process can be accurately controlled, the outer surface of the heat treatment main body 1 is hinged with the outer surface of a heat treatment upper cover 8 through a pin shaft 7, and the outer surface of the heat treatment main body 1 is fixedly connected with the right side surface of a controller 9, an air inlet hole 10 is formed in the outer surface of the heat treatment main body 1, the left side face of the air inlet hole 10 is communicated with the right end of a ventilation pipe 11, the other end of the ventilation pipe 11 is communicated with the upper surface of an air compressor 13 through an air outlet 12, and an air suction opening 14 is formed in the left side face of the air compressor 13.

Specifically, as shown in fig. 1 and 2, the outer surface of the hydraulic lifting column 4 is hinged to the inner wall of the fixing block 6 through the fixing hole 18, the outer surface of the fixing block 6 is provided with four threaded cylinders 15, the inner wall of each threaded cylinder 15 is hinged to the outer surface of each threaded column 16, the left side surface of each threaded column 16 is fixedly connected with the right side surface of the corresponding fixture block 17, the left side surface of each fixture block 17 is provided with a clamping groove, and the arrangement of the clamping grooves can achieve a good fixing effect on the yawing gear ring.

Specifically, as shown in fig. 3, the outer surface of the heat treatment upper cover 8 is fixedly connected with the lower surface of the U-shaped handle 19, and the front surface of the heat treatment upper cover 8 is fixedly connected with the back surface of the heating plate 20, so that the yaw ring gear can be pre-heated due to the arrangement of the heating plate 20.

Specifically, as shown in fig. 4, a heating plate controller 21 is disposed on the left side of the controller 9, an electromagnetic coil controller 22 is disposed on the left side of the controller 9, and a lifting column controller 23 is disposed on the left side of the controller 9, so that each heat treatment process can be precisely controlled due to the arrangement of the controller 9.

The working principle of the utility model is as follows:

s1, when in use, the clamping grooves of the four clamping blocks 17 are respectively fixed on the inner wall of the yaw gear ring through the screw posts 16 and the threaded cylinders 15, the four threaded cylinders 15 are respectively fixed on the outer surface of the fixed block 6, the fixed block 6 is fixed on the outer surface of the hydraulic lifting post 4 through the arranged fixing holes 18, the heat treatment upper cover 8 is downwards covered on the upper surface of the heat treatment main body 1 through the rotating pin shaft 7, the yaw gear ring is covered on the lower surface of the heating plate 20, the heating plate controller 21 is opened, and the yaw gear ring is preheated by the heating plate 20;

s2, lowering the yaw gear ring heated by the preheating plate 20 into the range of the electromagnetic ring 2 through the hydraulic lifting column 4, starting the electromagnetic ring controller 22, heating the teeth of the yaw gear ring in the electromagnetic ring 2, heating the teeth of the yaw gear ring to a critical point, lowering the teeth of the yaw gear ring into the range of the ventilation opening of the annular ventilation groove 3 through the hydraulic lifting column 4, starting the air compressor 13, pumping cold air into the air compressor 13 through the air suction opening 14, compressing the cold air through the air compressor 13, discharging the compressed cold air through the air outlet 12, allowing the compressed cold air to enter the annular ventilation groove 3 through the ventilation pipe 11, spraying the compressed cold air through the ventilation opening of the annular ventilation groove 3 to act on the teeth of the yaw gear ring, and quenching and cooling the teeth of the yaw gear ring;

and S3, after the heat treatment is finished, lifting the yawing gear ring to the top through the hydraulic lifting column 4, lifting the heat treatment upper cover 8 to a fixed point through the U-shaped handle 19, taking the fixed block 6 off the hydraulic lifting column 4 through the fixed hole 18, and taking the four fixture blocks 17 for fixing the yawing gear ring off through the threaded barrel 15 and the screw column 16 after the yawing gear ring is completely cooled.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a can promote heat treatment device of driftage ring gear comprehensive properties, includes heat treatment main part (1), its characterized in that: the inner wall of heat treatment main part (1) is provided with three electromagnetic ring (2), the inner wall of heat treatment main part (1) is provided with annular ventilation groove (3), eight ventilation hole (5) have evenly been seted up to the surface of heat treatment main part (1), the bottom fixed connection of the lower surface of heat treatment main part (1) inner wall and hydraulic lifting column (4), the surface of heat treatment main part (1) is articulated through round pin axle (7) and the surface of heat treatment upper cover (8), the surface of heat treatment main part (1) and the right flank fixed connection of controller (9), fresh air inlet (10) have been seted up to the surface of heat treatment main part (1).

2. The heat treatment device capable of improving the comprehensive performance of the yaw gear ring according to claim 1, wherein: the left side face of the air inlet hole (10) is communicated with the right end of the ventilation pipe (11), the other end of the ventilation pipe (11) is communicated with the upper surface of the air compressor (13) through the air outlet (12), and the left side face of the air compressor (13) is provided with an air suction opening (14).

3. The heat treatment device capable of improving the comprehensive performance of the yaw gear ring according to claim 1, wherein: the surface of hydraulic pressure lift post (4) passes through fixed orifices (18) and articulates mutually with the inner wall of fixed block (6), the surface of fixed block (6) is provided with four screw thread section of thick bamboos (15) respectively, the outer surface threaded connection of the inner wall of screw thread section of thick bamboo (15) and screw post (16), the left surface of screw post (16) and the right flank fixed connection of fixture block (17).

4. The heat treatment device capable of improving the comprehensive performance of the yaw gear ring according to claim 1, wherein: the outer surface of the heat treatment upper cover (8) is fixedly connected with the lower surface of the U-shaped handle (19), and the front surface of the heat treatment upper cover (8) is fixedly connected with the back surface of the heating plate (20).

5. The heat treatment device capable of improving the comprehensive performance of the yaw gear ring according to claim 1, wherein: the left surface of controller (9) is provided with hot plate controller (21), the left surface of controller (9) is provided with electromagnetic coil controller (22), the left surface of controller (9) is provided with lift post controller (23).

6. The heat treatment device capable of improving the comprehensive performance of the yaw gear ring according to claim 3, wherein the heat treatment device comprises: a plurality of ventilation openings are formed in the inner wall of the annular ventilation groove (3), and clamping grooves are formed in the left side face of the clamping block (17).