CN111928999A

CN111928999A - Static balance detection identification device of steam turbine impeller

Info

Publication number: CN111928999A
Application number: CN202010820869.6A
Authority: CN
Inventors: 黄帆帆
Original assignee: Fuqing Jiatai Electronic Technology Co ltd
Current assignee: Fuqing Jiatai Electronic Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-13

Abstract

The invention discloses a static balance detection identification device of a turbine impeller, which comprises a base, wherein a first transmission cavity is arranged in the base, a left-right symmetrical transmission box and two fixed blocks which are positioned between the transmission box and the fixed blocks and are in left-right symmetry are fixedly arranged on the top end surface of the base, a top plate is fixedly arranged on the top end surface of each fixed block, an identification mechanism is arranged in the top plate, and a rotating block cavity with an opening away from each other is arranged on the end surface of one side, away from each other, of each fixed block; the static balance detection device is simple in structure and convenient and fast to operate, static balance automatic precision detection of the impeller is achieved by using oil float to reduce friction, weight identification is carried out on a bad position after detection, and operators can complete subsequent repair according to the weight of the identification conveniently.

Description

Static balance detection identification device of steam turbine impeller

Technical Field

The invention relates to the field of steam turbines, in particular to a static balance detection identification device for a steam turbine impeller.

Background

The turbine impeller usually works under the working conditions of high temperature (600 ℃), high pressure (25MPa) and high rotating speed (3000r/min), and the static balance performance of the turbine impeller not only has important influence on the running quality and precision of a main machine, but also has direct influence on the working efficiency, the safety condition, the vibration characteristic and the service life of a turbine unit.

The impeller with poor static balance performance can increase noise and vibration of a moving part, can generate large unbalanced moment in a high-rotation-speed working state, can affect the straightness of a main shaft of a steam turbine generator set, can bend the main shaft in serious conditions, even breaks a shell of the turbine generator set, and causes serious safety accidents, so that the static balance detection is particularly important.

Disclosure of Invention

The invention aims to provide a static balance detection and identification device for a turbine impeller, which realizes the functions of tightly detecting and identifying the static balance of the impeller.

The static balance detection marking device of the steam turbine impeller comprises a base, wherein a first transmission cavity is arranged in the base, a transmission case which is bilaterally symmetrical and a fixed block which is bilaterally symmetrical between the transmission case and the fixed block are fixedly arranged on the top end surface of the base, a top plate is fixedly arranged on the top end surface of the fixed block, a marking mechanism is arranged in the top plate, a rotating block cavity with mutually far openings is arranged on the end surface of one side, far away from each other, of the fixed block, a rotating block is rotatably arranged in the rotating block cavity, a bayonet with mutually far openings is arranged on the end surface of one side, far away from each other, of the rotating block, a clamping block sliding groove is arranged in the rotating block, a clamping block is rotatably arranged in the clamping block sliding groove, a spiral meshing cavity which is vertically symmetrical is arranged on the inner wall of one side, a spiral meshing tooth block meshed with the spiral meshing tooth ring is arranged in the spiral meshing cavity in a sliding manner, the spiral meshing tooth block is fixedly connected with the clamping block, a spiral meshing tooth block cavity is arranged on the inner wall of one side of the spiral meshing cavity, which is far away from the clamping block, an inner meshing gear ring fixedly connected with the spiral meshing gear ring is rotationally arranged in the spiral meshing gear block cavity, the inner wall of the side of the spiral meshing tooth block cavity far away from each other is provided with a through hole communicated with the outside, a shaft through hole penetrating through the rotating block and the clamping block is arranged in the fixing block in a left-right penetrating manner, a rotating groove with an opening facing to the center of the shaft through hole is arranged on the inner wall of the rotating block far away from the center of the shaft through hole, the rotating groove is internally provided with a rotating ring fixedly connected with the rotating block in a sliding manner, an oil groove with an upward opening is formed in the bottom wall of the rotating groove, and a sensor for detecting the rotation condition of the impeller is fixedly arranged on the right end face of the fixed block on the left side.

Further, a first belt wheel cavity is arranged in the transmission case, a first spline shaft extending towards the fixed block is rotatably arranged on the left inner wall and the right inner wall of the first belt wheel cavity, a first belt wheel is fixedly arranged on the first spline shaft, a protective sleeve is fixedly arranged on the end surface of the transmission case close to one side of the fixed block, a rotating cavity with an opening facing towards the fixed block is arranged in the protective sleeve, a first spline sleeve is in spline fit on the part of the first spline shaft extending into the rotating cavity, a first transmission gear matched with the inner gear ring is fixedly arranged on the end surface of the first spline sleeve close to one side of the fixed block, a first electromagnetic spring fixedly connected with the first transmission gear is fixedly arranged on the end surface of the first spline shaft close to one side of the fixed block, and a T-shaped groove with an opening far away from the center of the first spline shaft is arranged on the annular end surface of the part of the first spline sleeve located in the rotating cavity, the T-shaped rod that slides in the T-shaped groove and be equipped with downwardly extending, be equipped with the opening orientation on the rotation intracavity diapire the draw-in groove of fixed block, the T-shaped rod runs through downwards the draw-in groove just is connected with its sliding fit, it is equipped with flexible groove all to link up about on the external part is stretched into downwards to the T-shaped rod, slide in the flexible groove and be equipped with bayonet socket matched with telescopic link, two all fixed dog that is equipped with on the terminal surface that the telescopic link was kept away from each other, the dog with all fixed expanding spring that is equipped with between the draw-in groove.

Furthermore, the marking mechanism comprises a rack cavity with a downward opening arranged in the top plate, a rack is arranged in the rack cavity in a sliding manner, limit strips with bilateral symmetry are fixedly arranged on the left and right inner walls of the rack cavity, a push block and an electromagnet positioned on the upper side of the push block are fixedly arranged on the end surface of the bottom of the rack, a transmission gear cavity with a leftward opening is arranged on the inner wall of the right side of the rack cavity, a first transmission shaft is rotatably arranged on the front and rear inner walls of the transmission gear cavity, a second transmission gear meshed with the rack, a second belt wheel positioned on the rear side of the second transmission gear and a winding wheel positioned on the rear side of the second belt wheel are fixedly arranged on the first transmission shaft, a pull rope is fixedly wound on the winding wheel, a push block cavity is arranged on the inner wall of the left side of the rack cavity, a push block is slidably arranged in the push block cavity, and a push block spring fixedly connected with the top wall in the push block cavity, the ejector pad intracavity is equipped with a plurality of being located the identification block of ejector pad downside, the fixed magnet that is equipped with on the terminal surface of identification block bottom, be equipped with the opening on the inner wall of ejector pad chamber left side and cut right ejector pad chamber and feed through the push rod chamber in rack chamber, the slip of push rod intracavity is equipped with the push rod, be fixed on the push rod left side terminal surface be equipped with push rod chamber left side inner wall fixed connection's push rod spring, fixedly connected with on the push rod left side terminal surface the stay cord is kept away from the other end of winding wheel, be equipped with the second transmission chamber on the inner wall of push rod chamber left side, it is equipped with the second transmission shaft to rotate on the inner wall of second transmission chamber left side, fixedly be equipped with the third band pulley on the second transmission shaft and be located the first bevel gear on third band pulley right side, it is equipped with the transmission shaft to rotate on the inner wall of second transmission chamber rear side, fixedly be equipped with And the fourth belt wheel is in transmission fit connection with the second belt wheel through a transmission belt.

Further, a motor is fixedly arranged on the end face of the right side of the first transmission cavity, a second spline shaft is dynamically connected onto the end face of the left side of the motor, third transmission gears which are bilaterally symmetrical are rotatably arranged on the second spline shaft, a second spline sleeve positioned between the two third transmission gears is in spline fit on the second spline shaft, a shifting piece is fixedly arranged on the annular end face of the second spline sleeve, first meshing teeth which are bilaterally symmetrical are fixedly arranged on the left and right end faces of the second spline sleeve, second meshing teeth matched with the first meshing teeth are fixedly arranged on the end face of one side, facing the second spline sleeve, of the third transmission gear, a shifting block sliding groove with a forward opening is arranged on the inner wall of the rear side of the first transmission cavity, a shifting block with a forward opening is slidably arranged in the shifting block sliding groove, and the forward opening of the shifting block is in rotation fit connection with the shifting piece through a bearing, a second electromagnetic spring fixedly connected with the right side inner wall of the shifting block chute is fixedly arranged on the right side end face of the shifting block, a third transmission shaft positioned on the upper side of the second spline shaft is rotatably arranged on the left and right inner walls of the first transmission cavity, a fourth transmission gear meshed with the third transmission gear on the right side and a fifth belt wheel positioned on the left side of the fourth transmission gear are fixedly arranged on the third transmission shaft, the fifth belt wheel and the third belt wheel are in transmission fit connection through a transmission belt, fourth transmission shafts extending to the left and right sides are rotatably arranged on the left and right inner walls of the first transmission cavity, a fifth transmission gear meshed with the third transmission gear on the left side is fixedly arranged on the fourth transmission shaft, bilaterally symmetrical second belt wheel cavities are arranged on the left and right inner walls of the first transmission cavity, and sixth belt wheels are fixedly arranged on the parts of the fourth transmission shafts extending into the second belt wheel cavities, the sixth belt wheel is in transmission fit connection with the first belt wheel through a transmission belt.

The invention has the beneficial effects that: the static balance detection device is simple in structure and convenient and fast to operate, static balance automatic precision detection of the impeller is achieved by using oil float to reduce friction, weight identification is carried out on a bad position after detection, and operators can complete subsequent repair according to the weight of the identification conveniently.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at D-D in FIG. 1 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The static balance detection marking device of the steam turbine impeller, which is described in conjunction with the attached drawings 1-5, comprises a base 10, a first transmission cavity 32 is arranged in the base 10, a bilateral symmetry transmission box 11 and two bilateral symmetry fixed blocks 53 are fixedly arranged on the top end surface of the base 10, a top plate 56 is fixedly arranged on the top end surface of each fixed block 53, a marking mechanism is arranged in the top plate 56, a rotating block cavity 50 with mutually far-away openings is arranged on the end surface of one side, which is far away from each other, of each fixed block 53, a rotating block 49 is rotatably arranged in the rotating block cavity 50, a bayonet 38 with mutually far-away openings is arranged on the end surface of one side, which is far away from each other, a clamping block sliding groove 48 is arranged in the rotating block 49, a clamping block 47 is rotatably arranged in the clamping block sliding groove 48, and a vertically and longitudinally symmetrical spiral meshing cavity 46 is arranged on the inner, a spiral meshing toothed ring 45 is arranged in the spiral meshing cavity 46 in a rotating mode, a spiral meshing toothed block 42 meshed with the spiral meshing toothed ring 45 is arranged in the spiral meshing cavity 46 in a sliding mode, the spiral meshing toothed block 42 is fixedly connected with the clamping block 47, a spiral meshing toothed block cavity 44 is arranged on the inner wall of one side, away from each other, of the spiral meshing cavity 46, an inner meshing toothed ring 41 fixedly connected with the spiral meshing toothed ring 45 is arranged in the spiral meshing toothed block cavity 44 in a rotating mode, a through hole 39 communicated with the outside is formed in the inner wall of one side, away from each other, of the spiral meshing toothed block cavity 44 in a penetrating mode, a shaft through hole 40 penetrating through the rotating block 49 and the clamping block 47 is formed in the fixed block 53 in a penetrating mode, a rotating groove 36 with the center of the shaft through hole 40 facing the center of the shaft through hole 40 is formed in the inner wall, away from the center of the shaft through hole 40 of the rotating block 49, and a rotating ring, an oil groove 35 with an upward opening is formed in the bottom wall of the rotating groove 36, and a sensor 24 for detecting the rotation condition of the impeller is fixedly arranged on the right end face of the fixed block 53 on the left side.

Advantageously, a first belt wheel cavity 13 is provided in the transmission case 11, a first spline shaft 14 extending towards the fixed block 53 is rotatably provided on the left and right inner walls of the first belt wheel cavity 13, a first belt wheel 15 is fixedly provided on the first spline shaft 14, a protective sleeve 12 is fixedly provided on the end surface of the transmission case 11 close to the fixed block 53, a rotating cavity 16 with an opening facing the fixed block 53 is provided in the protective sleeve 12, a first spline housing 17 is spline-fitted on the portion of the first spline shaft 14 extending into the rotating cavity 16, a first transmission gear 20 matched with the inner engagement gear ring 41 is fixedly provided on the end surface of the first spline housing 17 close to the fixed block 53, a first electromagnetic spring 19 fixedly connected with the first transmission gear 20 is fixedly provided on the end surface of the first spline shaft 14 close to the fixed block 53, first spline housing 17 is located it keeps away from to be equipped with the opening on the annular end face of the part in the rotation chamber 16 the T-slot 18 at first integral key shaft 14 center, it is equipped with downwardly extending's T shape pole 21 to slide in the T-slot 18, be equipped with the opening orientation on the bottom wall in the rotation chamber 16 the draw-in groove 22 of fixed block 53, T shape pole 21 runs through downwards draw-in groove 22 and be connected with it sliding fit, T shape pole 21 all link up about stretching into external part downwards and be equipped with flexible groove 54, it is equipped with telescopic link 23 with bayonet 38 matched with to slide in the flexible groove 54, two all fixedly on the terminal surface that telescopic link 23 kept away from each other be equipped with dog 82, dog 82 with all fixedly between the draw-in groove 22 be equipped with expanding spring 83.

Beneficially, the identification mechanism includes a rack cavity 69 with a downward opening and arranged in the top plate 56, a rack 68 is arranged in the rack cavity 69 in a sliding manner, bilaterally symmetrical limiting strips are fixedly arranged on the left and right inner walls of the rack cavity 69, a push block and an electromagnet 52 positioned on the upper side of the push block are fixedly arranged on the end face of the bottom of the rack 68, a transmission gear cavity 51 with a leftward opening and arranged on the inner wall of the right side of the rack cavity 69, a first transmission shaft 78 is arranged on the front and rear inner walls of the transmission gear cavity 51 in a rotating manner, a second transmission gear 77 meshed with the rack 68, a second belt wheel 76 positioned behind the second transmission gear 77 and a winding wheel 75 positioned behind the second belt wheel 76 are fixedly arranged on the first transmission shaft 78, a pull rope 59 is fixedly wound on the winding wheel 75, a push block cavity 65 is arranged on the inner wall of the left side of the rack cavity 69, a push block 67 is arranged in the push block cavity 65, a push block spring 66 fixedly connected with the top wall in the push block cavity 65 is fixedly arranged on the end surface of the top of the push block 67, a plurality of identification blocks 55 positioned on the lower side of the push block 67 are assembled in the push block cavity 65, a magnet is fixedly arranged on the end surface of the bottom of the identification block 55, a push rod cavity 64 with an opening for cutting the push block cavity 65 rightwards and communicating with the rack cavity 69 is arranged on the inner wall of the left side of the push block cavity 65, a push rod 57 is slidably arranged in the push rod cavity 64, a push rod spring 58 fixedly connected with the inner wall of the left side of the push rod cavity 64 is fixedly arranged on the end surface of the left side of the push rod 57, the pull rope 59 is fixedly connected with the other end of the winding wheel 75 far away from the pull rope 59, a second transmission cavity 61 is arranged on the inner wall of the left side of the push rod cavity 64, a second transmission shaft 60 is rotatably arranged on the inner wall of the left side of the second transmission cavity 61, a third belt wheel 62, a transmission shaft 80 is rotatably arranged on the inner wall of the rear side of the second transmission cavity 61, a second bevel gear 81 engaged with the first bevel gear 63 and a fourth belt pulley 79 positioned on the rear side of the second bevel gear 81 are fixedly arranged on the transmission shaft 80, and the fourth belt pulley 79 is in transmission fit connection with the second belt pulley 76 through a transmission belt.

Beneficially, the motor 34 is fixedly arranged on the end face of the right side of the first transmission cavity 32, the end face of the left side of the motor 34 is in power connection with a second spline shaft 28, the second spline shaft 28 is rotatably provided with third transmission gears 73 which are bilaterally symmetrical, the second spline shaft 28 is in spline fit with a second spline sleeve 74 which is positioned between the two third transmission gears 73, the annular end face of the second spline sleeve 74 is fixedly provided with a shifting piece, the left and right end faces of the second spline sleeve 74 are fixedly provided with first meshing teeth which are bilaterally symmetrical, the end face of one side of the third transmission gear 73, which faces the second spline sleeve 74, is fixedly provided with second meshing teeth which are matched with the first meshing teeth, the inner wall of the rear side of the first transmission cavity 32 is provided with a shifting block sliding groove 71 with a forward opening, a shifting block 70 with a forward opening is slidably arranged in the shifting block sliding groove 71, and the forward opening of the shifting block 70 is in rotational fit connection with the shifting piece through a bearing, a second electromagnetic spring 72 fixedly connected with the right inner wall of the shifting block chute 71 is fixedly arranged on the right end face of the shifting block 70, a third transmission shaft 27 positioned on the upper side of the second spline shaft 28 is rotatably arranged on the left and right inner walls of the first transmission cavity 32, a fourth transmission gear 26 meshed with the third transmission gear 73 on the right side and a fifth belt pulley 25 positioned on the left side of the fourth transmission gear 26 are fixedly arranged on the third transmission shaft 27, the fifth belt pulley 25 is in transmission fit connection with the third belt pulley 62 through a transmission belt, fourth transmission shafts 31 extending to the left and right sides are rotatably arranged on the left and right inner walls of the first transmission cavity 32, a fifth transmission gear 33 meshed with the third transmission gear 73 on the left side is fixedly arranged on the fourth transmission shaft 31, and bilaterally symmetrical second belt pulley cavities 29 are arranged on the left and right inner walls of the first transmission cavity 32, and the parts of the fourth transmission shaft 31 extending into the second pulley cavity 29 are respectively fixedly provided with a sixth pulley 30, and the sixth pulleys 30 are connected with the first pulleys 15 in a transmission matching manner through transmission belts.

In the initial state, the push block spring 66 is in a compressed state, the rack 68 is located at the upper limit position, the push rod 57 is located at the right limit position under the action of the push rod spring 58, the identification block 55 is pushed to be located in the rack cavity 69, the first transmission gear 20 is located at the limit position away from each other under the action of the first electromagnetic spring 19, the telescopic rod 23 is disengaged from the bayonet 38, and the shifting block 70 is located at the left limit position under the action of the second electromagnetic spring 72, so that the second splined sleeve 74 is located at the left lower limit position, and the first meshing tooth at the left side is meshed with the second meshing tooth at the left side.

When the device works, the impeller shaft penetrates through the two shaft through holes 40, the impeller is positioned between the two fixed blocks 53, the motor 34 and the first electromagnetic spring 19 are started, the first electromagnetic spring 19 is electrified to enable the first transmission gear 20 to displace towards the direction of the fixed blocks 53, the first transmission gear 20 is meshed with the internal meshing gear ring 41, the motor 34 drives the second spline shaft 28 to rotate forwards to drive the second spline housing 74 to rotate forwards, so as to drive the left third transmission gear 73 meshed with the second spline housing 74 to rotate forwards, the left third transmission gear 73 rotates forwards to drive the fifth transmission gear 33 meshed with the left third transmission gear to rotate backwards, so as to drive the sixth belt wheel 30 coaxial with the fifth transmission gear 33 to rotate backwards, the sixth belt wheel 30 rotates backwards to drive the first belt wheel 15 to rotate backwards, so as to drive the first spline housing 17 coaxial with the first belt wheel 15 to rotate backwards, the first spline housing 17 rotates backwards to drive the first transmission gear 20 to rotate backwards, thereby driving the inner meshing gear ring 41 meshed with the first transmission gear 20 to rotate forwardly, the inner meshing gear ring 41 rotates forwardly to drive the rotating block 49 to rotate until the telescopic rod 23 is clamped into the tissue rotating block 49 in the bayonet 38 under the action of the extension spring 83, so that the inner meshing gear ring 41 rotates forwardly to drive the spiral meshing gear ring 45 to rotate forwardly, the spiral meshing gear ring 45 rotates forwardly to drive the clamping block 47 to displace and clamp the impeller shaft towards the direction close to the center of the shaft through hole 40, after the clamping is completed, the first electromagnetic spring 19 is powered off, the first transmission gear 20 and the first spline housing 17 return to the initial positions towards the direction far away from the fixed block 53, and the first spline housing 17 returns to the initial positions to enable the telescopic rod 23 to return to the initial positions to be separated from the bayonet 38 and abut against the T-shaped rod 21; lubricating oil is filled in the rotating groove 36 through the oil groove 35, so that an oil film is filled between the rotating ring 37 and the inner wall of the rotating groove 36, the friction force between the rotating ring 37 and the rotating groove 36 is reduced to the limit, at the moment, the side with the offset of the gravity center of the impeller shaft rotates to the lower limit position, after the sensor 24 detects that the impeller rotates and stops, the second electromagnetic spring 72 is electrified, the second electromagnetic spring 72 drives the shifting block 70 to move rightwards, so that the second spline sleeve 74 is driven to move rightwards, the third meshing tooth on the right side is meshed with the fourth meshing tooth on the right side, the second spline sleeve 74 rotates to drive the third transmission gear 73 on the right side meshed with the second spline sleeve to rotate, so that the fourth transmission gear 26 meshed with the third transmission gear 73 on the right side is driven to rotate, the fourth transmission gear 26 rotates to drive the fifth belt pulley 25 coaxial with the fourth transmission gear 26, and the fifth belt pulley 25 rotates to, thereby driving the first bevel gear 63 coaxial with the third belt wheel 62 to rotate, the first bevel gear 63 driving the second bevel gear 81 engaged therewith to rotate, the second bevel gear 81 driving the fourth belt wheel 79 coaxial therewith to rotate, thereby driving the second belt wheel 76 to rotate, the second belt wheel 76 driving the second transmission gear 77 coaxial therewith and the winding wheel 75 to rotate, the winding wheel 75 rotating and tensioning the pull rope 59, so that the push rod 57 moves to the left extreme position, thereby the push block 67 under the action of the push block spring 66 pushes the identification block 55 to move downwards into the push rod cavity 64, the third belt wheel 62 is electrified to adsorb the identification block 55 through the magnet on the identification block 55, the second transmission gear 77 driving the rack 68 to move downwards to push the identification block 55 in the displacement rack cavity 69 to move downwards so as to complete the weight marking on the identification block 55 impeller, the motor 34 driving the second spline shaft 28 to rotate reversely, the electromagnet 52 is powered off and reset upwards, the winding wheel 75 loosens the pull rope 59, so that the push rod 57 pushes the identification block 55 in the push rod cavity 64 to enter the rack cavity 69 under the action of the push rod spring 58, the marking is completed repeatedly, the second electromagnetic spring 72 is powered off, the shifting block 70 drives the second spline sleeve 74 to return to the initial displacement, the motor 34 drives the second spline shaft 28 and the second spline sleeve 74 to rotate reversely, the first electromagnetic spring 19 is powered on, and the spiral meshing tooth block 42 returns to the initial position to finish all the operations.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a static balance of steam turbine impeller detects identification means, includes the base, its characterized in that: a first transmission cavity is arranged in the base, bilaterally symmetrical transmission boxes and fixed blocks positioned between the two bilaterally symmetrical transmission boxes are fixedly arranged on the top end surface of the base, a top plate is fixedly arranged on the top end surface of each fixed block, an identification mechanism is arranged in the top plate, and rotating block cavities with mutually far openings are arranged on the end surfaces of the sides, far away from each other, of the fixed blocks; the rotary block is arranged in the rotary block cavity in a rotating mode, a bayonet with a mutually-far opening is arranged on the end face of one side of the rotary block, a clamping block sliding groove is arranged in the rotary block, a clamping block is arranged in the clamping block sliding groove in a rotating mode, a spiral meshing cavity which is symmetrical up and down and back is arranged on the inner wall of one side of the clamping block, which is far away from the clamping block, a spiral meshing tooth ring is arranged in the spiral meshing cavity in a rotating mode, a spiral meshing tooth block which is meshed with the spiral meshing tooth ring is arranged in the spiral meshing cavity in a sliding mode, the spiral meshing tooth block is fixedly connected with the clamping block, a spiral meshing tooth block cavity is arranged on the inner wall of one side of the spiral meshing cavity, which is far away from the spiral meshing tooth ring, an inner meshing tooth ring fixedly connected with the spiral meshing tooth ring is arranged in the spiral meshing tooth block cavity, and a through, the fixed block is internally provided with an axle through hole which runs through the rotating block and the clamping block, the rotating block is far away from the inner wall at the center of the axle through hole and is provided with an opening towards the rotating groove at the center of the axle through hole, the rotating groove is internally provided with a rotating ring fixedly connected with the rotating block in a sliding manner, the inner wall of the rotating groove is provided with an oil groove with an upward opening, and the rotating groove is left, and a sensor for detecting the rotation condition of the impeller is fixedly arranged on the end face of the right side of the fixed block.

2. The static balance detection and identification device of the turbine impeller according to claim 1, characterized in that: a first belt wheel cavity is arranged in the transmission case, a first spline shaft extending towards the fixed block is rotatably arranged on the left inner wall and the right inner wall of the first belt wheel cavity, a first belt wheel is fixedly arranged on the first spline shaft, a protective sleeve is fixedly arranged on the end surface of the transmission case close to one side of the fixed block, a rotating cavity with an opening facing towards the fixed block is arranged in the protective sleeve, a first spline sleeve is in spline fit on the part of the first spline shaft extending into the rotating cavity, a first transmission gear matched with the inner meshing gear ring is fixedly arranged on the end surface of the first spline sleeve close to one side of the fixed block, a first electromagnetic spring fixedly connected with the first transmission gear is fixedly arranged on the end surface of the first spline shaft close to one side of the fixed block, and a T-shaped groove with an opening far away from the center of the first spline shaft is arranged on the annular end surface of the part of the first spline sleeve located in, the T-shaped rod that slides in the T-shaped groove and be equipped with downwardly extending, be equipped with the opening orientation on the rotation intracavity diapire the draw-in groove of fixed block, the T-shaped rod runs through downwards the draw-in groove just is connected with its sliding fit, it is equipped with flexible groove all to link up about on the external part is stretched into downwards to the T-shaped rod, slide in the flexible groove and be equipped with bayonet socket matched with telescopic link, two all fixed dog that is equipped with on the terminal surface that the telescopic link was kept away from each other, the dog with all fixed expanding spring that is equipped with between the draw-in groove.

3. The static balance detection and identification device of the turbine impeller according to claim 1, characterized in that: the identification mechanism comprises a rack cavity with a downward opening arranged in the top plate, a rack is arranged in the rack cavity in a sliding manner, bilaterally symmetrical limiting strips are fixedly arranged on the left inner wall and the right inner wall of the rack cavity, a push block and an electromagnet positioned on the upper side of the push block are fixedly arranged on the end surface of the bottom of the rack, a transmission gear cavity with a leftward opening is arranged on the inner wall of the right side of the rack cavity, a first transmission shaft is rotatably arranged on the front inner wall and the rear inner wall of the transmission gear cavity, a second transmission gear meshed with the rack, a second belt wheel positioned on the rear side of the second transmission gear and a winding wheel positioned on the rear side of the second belt wheel are fixedly arranged on the first transmission shaft, a pull rope is fixedly wound on the winding wheel, a push block cavity is arranged on the inner wall of the left side of the rack cavity, a push block is slidably arranged in the push block cavity, and a push block spring fixedly connected, the ejector pad intracavity is equipped with a plurality of being located the identification block of ejector pad downside, the fixed magnet that is equipped with on the terminal surface of identification block bottom, be equipped with the opening on the inner wall of ejector pad chamber left side and cut right ejector pad chamber and feed through the push rod chamber in rack chamber, the slip of push rod intracavity is equipped with the push rod, be fixed on the push rod left side terminal surface be equipped with push rod chamber left side inner wall fixed connection's push rod spring, fixedly connected with on the push rod left side terminal surface the stay cord is kept away from the other end of winding wheel, be equipped with the second transmission chamber on the inner wall of push rod chamber left side, it is equipped with the second transmission shaft to rotate on the inner wall of second transmission chamber left side, fixedly be equipped with the third band pulley on the second transmission shaft and be located the first bevel gear on third band pulley right side, it is equipped with the transmission shaft to rotate on the inner wall of second transmission chamber rear side, fixedly be equipped with And the fourth belt wheel is in transmission fit connection with the second belt wheel through a transmission belt.

4. The static balance detection and identification device of the turbine impeller according to claim 1, characterized in that: a motor is fixedly arranged on the end face of the right side of the first transmission cavity, a second spline shaft is dynamically connected onto the end face of the left side of the motor, third transmission gears which are bilaterally symmetrical are rotatably arranged on the second spline shaft, a second spline sleeve positioned between the two third transmission gears is in spline fit on the second spline shaft, a shifting piece is fixedly arranged on the annular end face of the second spline sleeve, first meshing teeth which are bilaterally symmetrical are fixedly arranged on the left and right end faces of the second spline sleeve, second meshing teeth matched with the first meshing teeth are fixedly arranged on the end face of one side, facing the second spline sleeve, of the third transmission gear, a shifting block sliding groove with a forward opening is arranged on the inner wall of the rear side of the first transmission cavity, a shifting block with a forward opening is slidably arranged in the shifting block sliding groove, and the forward opening of the shifting block is in rotary fit connection with the shifting piece through a bearing, a second electromagnetic spring fixedly connected with the right side inner wall of the shifting block chute is fixedly arranged on the right side end face of the shifting block, a third transmission shaft positioned on the upper side of the second spline shaft is rotatably arranged on the left and right inner walls of the first transmission cavity, a fourth transmission gear meshed with the third transmission gear on the right side and a fifth belt wheel positioned on the left side of the fourth transmission gear are fixedly arranged on the third transmission shaft, the fifth belt wheel and the third belt wheel are in transmission fit connection through a transmission belt, fourth transmission shafts extending to the left and right sides are rotatably arranged on the left and right inner walls of the first transmission cavity, a fifth transmission gear meshed with the third transmission gear on the left side is fixedly arranged on the fourth transmission shaft, bilaterally symmetrical second belt wheel cavities are arranged on the left and right inner walls of the first transmission cavity, and sixth belt wheels are fixedly arranged on the parts of the fourth transmission shafts extending into the second belt wheel cavities, the sixth belt wheel is in transmission fit connection with the first belt wheel through a transmission belt.