CN216246220U

CN216246220U - Device for detecting radius specification of turbine blade

Info

Publication number: CN216246220U
Application number: CN202122642884.9U
Authority: CN
Inventors: 张旭阳
Original assignee: Wuxi Dingyuan Precision Machinery Co ltd
Current assignee: Wuxi Dingyuan Precision Machinery Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-08
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a device for detecting the radius specification of a turbine blade, which relates to the technical field of turbines and comprises a workbench body, wherein an electromagnetic suction plate is fixed at the middle position of the top of the workbench body, a side plate is fixed at the position, close to the rear side edge, of the top of the workbench body, a sliding opening is formed in the front side of the side plate, close to the top edge, a first motor is fixed at the position, close to one side edge, of the inside of the sliding opening, and a first screw rod is fixed at the output end of the first motor. Is not suitable for practical use.

Description

Device for detecting radius specification of turbine blade

Technical Field

The utility model relates to the technical field of steam turbines, in particular to a device for detecting the radius specification of a steam turbine blade.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants.

However, the radius of the existing turbine blade needs to be detected in the actual production process, the existing detection device usually adopts a clamping mode when the turbine is fixed, and because the blade fixing mode of the turbine is annular, the clamping jaw is easy to interfere with the detection probe during detection, and the turbine blade is not suitable for actual use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to fix a turbine blade on an electromagnetic suction plate and then detect the radius of the turbine blade through a detection device, so that the problem that the traditional detection device usually adopts a clamping mode when the turbine is fixed because the blade fixing mode of the turbine is annular, a clamping jaw is easy to interfere with a detection probe during detection and is not suitable for practical use is solved.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a be used for steam turbine blade radius specification detection device, includes the workstation body, the top of workstation body is located the middle part and is fixed with the electromagnetism suction disc, the top of workstation body is close to rear side edge department and is fixed with the curb plate, the front side of curb plate is close to top edge and has seted up the mouth that slides, the inside of the mouth that slides is close to a side edge department and is fixed with first motor, the output of first motor is fixed with first lead screw, the one end of first lead screw is passed through the bearing and is rotated the connection on the opposite side inner wall of the mouth that slides, the spout has all been seted up to the inside top surface and the bottom surface of the mouth that slides, two the equal sliding connection in inside of spout has the slider, two be fixed with the cantilever between the relative one side of slider, a plurality of thermovents have been seted up to the rear side equidistance of curb plate.

Preferably, cantilever sliding connection is on the surface of first lead screw, the groove of sliding has been seted up at the top of cantilever, the groove of sliding runs through to the bottom of cantilever, the spacing groove has all been seted up to the both sides inner wall in groove of sliding.

Preferably, two equal sliding connection in inside of spacing groove has the stopper, two be fixed with the sliding block between the relative one side of stopper.

Preferably, the front side of the inside of the sliding groove is rotatably connected with a second screw rod through a bearing, a second motor is fixed at the position, close to the rear side edge, of the inside of the cantilever, and the output end of the second motor is fixed with one end of the second screw rod.

Preferably, the sliding block is connected to the outer surface of the second screw rod in a sliding mode, an air cylinder is fixed to the bottom of the sliding block, a detector is fixed to the bottom of the air cylinder, and a probe is connected to one side of the detector in a sliding mode.

Preferably, a controller is fixed at the position, close to one side edge, of the top of the workbench body, a storage groove is formed in the position, close to the other side edge, of the top of the workbench body, storage boxes are rotatably connected to the inner walls of the front side and the rear side of the storage groove through bearings, and a steam turbine body is fixed at the top of the electromagnetic suction plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. when the device is used, the steam turbine body is only required to be fixed on the electromagnetic suction plate, so that the steam turbine body is sucked by the electromagnetic suction plate, the first screw rod is driven to rotate by the first motor, the cantilever is moved to the position right above the steam turbine body, the second screw rod is driven to rotate by the second motor, the sliding block slides to a proper position, the cylinder drives the detector to extend into the steam turbine body, the probe on the detector is attached to the inner wall of the steam turbine body, the probe rotates along the inner wall of the steam turbine body under the rotation of the detector, the radius of the steam turbine body is measured, and the phenomenon that the probe is interfered with the clamping jaw during detection is avoided.

2. According to the utility model, the cantilever and the sliding block are driven to move through the first lead screw and the second lead screw, so that the positioning is more accurate, the cantilever is connected inside the sliding opening in a sliding mode through the sliding groove and the sliding block, the sliding is more stable, the sliding block is connected inside the sliding groove in a sliding mode through the limiting block and the limiting groove, so that the sliding block can bear certain impact force, the storage groove is formed in the top of the workbench body, the storage box is rotatably connected inside the storage groove, people can store common tools conveniently, meanwhile, the storage box is convenient to store, and the controller is fixed at the top of the workbench body, so that an operator can operate equipment to perform radius detection on the steam turbine body conveniently.

Drawings

FIG. 1 is a schematic front perspective view of a turbine blade radius specification inspection apparatus according to the present invention;

FIG. 2 is a schematic view of a rear perspective view of a turbine blade radius specification inspection apparatus according to the present invention;

FIG. 3 is a schematic side view of a turbine blade radius specification inspection device according to the present invention.

Illustration of the drawings:

1. a table body; 2. a controller; 3. an electromagnetic suction plate; 4. a storage tank; 5. a storage box; 6. a side plate; 7. a steam turbine body; 8. a sliding port; 9. a first motor; 10. a first lead screw; 11. a cantilever; 12. a chute; 13. a slider; 14. a sliding groove; 15. a sliding block; 16. a second lead screw; 17. a limiting block; 18. a limiting groove; 19. a cylinder; 20. a detector; 21. a probe; 22. a heat dissipation port; 23. a second motor.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 3, the utility model provides a radius specification detection device for a turbine blade, which includes a workbench body 1, an electromagnetic suction plate 3 is fixed at a middle position of the top of the workbench body 1, a side plate 6 is fixed at a position, close to a rear side edge, of the top of the workbench body 1, a sliding opening 8 is formed in a position, close to a top edge, of a front side of the side plate 6, a first motor 9 is fixed at a position, close to a side edge, inside the sliding opening 8, a first screw rod 10 is fixed at an output end of the first motor 9, one end of the first screw rod 10 is rotatably connected to an inner wall of the other side of the sliding opening 8 through a bearing, sliding grooves 12 are formed in top and bottom surfaces of the inside of the sliding opening 8, sliding blocks 13 are slidably connected inside the two sliding grooves 12, a cantilever 11 is fixed between opposite sides of the two sliding blocks 13, and a plurality of heat dissipation openings 22 are formed in the rear side of the side plate 6 at equal intervals.

The whole embodiment 1 achieves the effect that the utility model only needs to fix the steam turbine body 7 on the electromagnetic absorption plate 3 when in use, so that the electromagnetic absorption plate 3 absorbs the steam turbine body 7, then the first screw rod 10 is driven to rotate by the first motor 9, the cantilever 11 is moved to the position right above the steam turbine body 7, then the second screw rod 16 is driven to rotate by the second motor 23, the sliding block 15 is slid to a proper position, then the cylinder 19 drives the detector 20 to extend into the steam turbine body 7, so that the probe 21 on the detector 20 is attached to the inner wall of the steam turbine body 7, at this time, the probe 21 is driven to rotate along the inner wall of the steam turbine body 7 under the rotation of the detector 20, so as to measure the radius of the steam turbine body 7, the phenomenon that the probe 21 interferes with a clamping jaw during detection is avoided, and the clamping mode usually adopted by the traditional detection device during the fixation of the steam turbine is solved, because the blade fixing mode of the steam turbine is annular, the clamping jaw is easy to interfere with the detection probe 21 during detection, and the blade fixing device is not suitable for practical use.

Embodiment 2, as shown in fig. 1-3, a cantilever 11 is slidably connected to an outer surface of a first lead screw 10, a sliding groove 14 is formed at a top of the cantilever 11, the sliding groove 14 penetrates to a bottom of the cantilever 11, limiting grooves 18 are formed on inner walls of two sides of the sliding groove 14, limiting blocks 17 are slidably connected to interiors of the two limiting grooves 18, a sliding block 15 is fixed between opposite sides of the two limiting blocks 17, a second lead screw 16 is rotatably connected to a front side of an interior of the sliding groove 14 through a bearing, a second motor 23 is fixed to a position of the interior of the cantilever 11 close to a rear side edge, an output end of the second motor 23 is fixed to one end of the second lead screw 16, the sliding block 15 is slidably connected to an outer surface of the second lead screw 16, a cylinder 19 is fixed to a bottom of the sliding block 15, a detector 20 is fixed to a bottom of the cylinder 19, a probe 21 is slidably connected to one side of the detector 20, a controller 2 is fixed to a side edge of a top of a workbench body 1 close to an edge, the top of workstation body 1 is close to opposite side edge and has seted up storage tank 4, and both sides inner wall rotates through the bearing around storage tank 4 and is connected with case 5, and the top of electromagnetism suction disc 3 is fixed with steam turbine body 7.

The effect that its whole embodiment 2 reaches does, it makes the location more accurate to drive cantilever 11 and sliding block 15 through first lead screw 10 and second lead screw 16 and remove, pass through spout 12 and slider 13 sliding connection in the inside of sliding opening 8 with cantilever 11, it is more steady to make to slide, make sliding block 15 sliding connection in sliding groove 14's inside through stopper 17 and spacing groove 18 and make and can bear certain impact force at sliding block 15, offer storage tank 4 at the top of workstation body 1 and connect storage box 5 at the inside rotation of storage tank 4, make things convenient for people to save tools commonly used, also convenient for accomodating simultaneously, top fixed control ware 2 at workstation body 1, make things convenient for operating personnel operating equipment to carry out radius detection to steam turbine body 7.

The working principle is as follows: when using this device to detect the radius of steam turbine body 7, only need to fix steam turbine body 7 on electromagnetism suction disc 3, make electromagnetism suction disc 3 adsorb steam turbine body 7, then drive first lead screw 10 through first motor 9 and rotate, make and move cantilever 11 directly over steam turbine body 7, then drive second lead screw 16 through second motor 23 and rotate, make and slide sliding block 15 to suitable position, cylinder 19 drives the inside that detector 20 stretches to steam turbine body 7 after that, make probe 21 on the detector 20 laminate mutually with the inner wall of steam turbine body 7, thereby at this moment make probe 21 rotate along the inner wall of steam turbine body 7 under detector 20's rotation and record the radius of steam turbine body 7.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes by using the technical contents disclosed in the above description to other fields, but any simple modification, equivalent change and change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a be used for steam turbine blade radius specification detection device, includes workstation body (1), its characterized in that: an electromagnetic suction plate (3) is fixed at the middle part of the top of the workbench body (1), a side plate (6) is fixed at the top of the workbench body (1) close to the rear side edge, a sliding opening (8) is arranged at the front side of the side plate (6) close to the edge of the top, a first motor (9) is fixed inside the sliding opening (8) close to one side edge, a first screw rod (10) is fixed at the output end of the first motor (9), one end of the first screw rod (10) is rotatably connected to the inner wall of the other side of the sliding opening (8) through a bearing, sliding grooves (12) are respectively arranged on the top surface and the bottom surface of the inner part of the sliding opening (8), sliding blocks (13) are respectively connected to the inner parts of the two sliding grooves (12) in a sliding manner, a cantilever (11) is fixed between the opposite sides of the two sliding blocks (13), a plurality of heat dissipation ports (22) are formed in the rear side of the side plate (6) at equal intervals.

2. The apparatus for detecting a radius specification of a steam turbine blade according to claim 1, wherein: cantilever (11) sliding connection is on the surface of first lead screw (10), the top of cantilever (11) has been seted up and has been slided groove (14), the bottom that slides groove (14) run through to cantilever (11), spacing groove (18) have all been seted up to the both sides inner wall in groove (14) that slides.

3. The apparatus for detecting a radius specification of a steam turbine blade according to claim 2, wherein: two equal sliding connection in inside of spacing groove (18) has stopper (17), two be fixed with sliding block (15) between the relative one side of stopper (17).

4. The apparatus for detecting a radius specification of a steam turbine blade according to claim 3, wherein: the inside front side of sliding groove (14) is connected with second lead screw (16) through the bearing rotation, the inside of cantilever (11) is close to rear side edge department and is fixed with second motor (23), the output of second motor (23) is fixed mutually with the one end of second lead screw (16).

5. The apparatus for detecting a radius specification of a steam turbine blade according to claim 4, wherein: sliding block (15) sliding connection is on the surface of second lead screw (16), the bottom of sliding block (15) is fixed with cylinder (19), the bottom of cylinder (19) is fixed with detector (20), one side sliding connection of detector (20) has probe (21).

6. The apparatus for detecting a radius specification of a steam turbine blade according to claim 1, wherein: the top of workstation body (1) is close to one side edge department and is fixed with controller (2), storage tank (4) have been seted up to the top of workstation body (1) is close to opposite side edge, both sides inner wall rotates through the bearing and is connected with case (5) around storage tank (4), the top of electromagnetism suction disc (3) is fixed with steam turbine body (7).