CN115030782B - Intelligent load measuring device for steam turbine cylinder - Google Patents
Intelligent load measuring device for steam turbine cylinder Download PDFInfo
- Publication number
- CN115030782B CN115030782B CN202210678284.4A CN202210678284A CN115030782B CN 115030782 B CN115030782 B CN 115030782B CN 202210678284 A CN202210678284 A CN 202210678284A CN 115030782 B CN115030782 B CN 115030782B
- Authority
- CN
- China
- Prior art keywords
- steam turbine
- cylinder
- shaped
- supporting
- rectangular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
The invention discloses an intelligent load measuring device for a steam turbine cylinder, which relates to the technical field of steam turbine cylinder load measurement and comprises a base, a supporting mechanism and a measuring mechanism, wherein supporting plates on two sides are distributed in a staggered mode and are distributed in an X-shaped structure, the side wall of a rectangular hollow frame is in sliding fit with the side wall of a back plate, a plurality of T-shaped suspenders distributed at uniform intervals are arranged in the rectangular hollow frame, an air cylinder is fixedly arranged at the bottom end of the T-shaped suspender, a detachable sealing disc is fixedly arranged at the end part of a telescopic end of the air cylinder, the T-shaped suspender at the most middle position is fixedly arranged on the inner wall of the rectangular hollow frame, a threaded adjusting rod is rotatably inserted between threaded holes of the T-shaped suspenders, and the threaded adjusting rod is rotatably inserted with a rotating hole. According to the invention, the supporting mechanism is used for supporting the turbine cylinders with different sizes, then the measuring mechanism is used for measuring the in-cylinder loads of the turbine cylinders with different sizes, and the specific measuring position of the measuring mechanism can be adjusted according to the cylinder position, so that the measuring efficiency is improved.
Description
Technical Field
The invention relates to the technical field of load measurement of steam turbine cylinders, in particular to an intelligent load measurement device for a steam turbine cylinder.
Background
In general, a steam turbine cylinder is located on a bearing seat through a cylinder cat claw, in the process of installing the cylinder, the load of the cylinder needs to be reasonably distributed to each bearing surface of the bearing seat, if the load of the cylinder is unevenly distributed, the cylinder cat claw with light load of the cylinder can tilt to cause deflection of a steam seal gap in the cylinder in the process of operating the steam turbine, so that steam excitation is caused, dynamic and static friction of a unit is also caused to cause vibration of the unit and efficiency reduction of the cylinder in severe cases; therefore, load measurement operation needs to be performed on the turbine cylinders, but at present, although the measurement method of the load of the cylinders can realize the measurement of the load of the cylinders, because the number of the cylinders of the turbine cylinders with different sizes is large, and the gaps between two adjacent cylinders are different, the existing load measurement device cannot synchronously adjust the positions of the load measurement pieces, so that the load measurement device cannot be quickly inserted into the cylinders with corresponding positions to perform the measurement operation, the measurement efficiency is low, and the high-efficiency measurement operation of the turbine cylinders is affected.
Disclosure of Invention
The invention aims to provide an intelligent load measuring device for a steam turbine cylinder, which is used for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an intelligent load measuring device for steam turbine cylinder, the on-line screen storage device comprises a base, supporting mechanism and measuring mechanism, supporting mechanism includes four bracing pieces of perpendicular installation four corners in the base upper end, fixedly be equipped with the plug rod between two bracing piece tops relative around, the outer wall rotation of plug rod has cup jointed the support backup plate of a plurality of even interval distribution, the slope of the lateral wall bottom of support backup plate is equipped with the backup pad, utilize both sides backup pad to constitute and support the steam turbine cylinder of waiting to measure, the support backup plate of both sides uses as the locating part simultaneously, avoid steam turbine cylinder to take out from the backup pad both sides.
The backup pad dislocation distribution of both sides, and be X type structural distribution, utilize the steam turbine cylinder that is X type structure to support the steam turbine cylinder, even the backup pad receives the steam turbine cylinder gravity and pushes down, can not appear the clearance between the both sides backup pad tip to can not lead to the steam turbine cylinder to drop, realize stably propping up.
The measuring mechanism comprises a T-shaped guide rod, a back plate and a rectangular hollow frame, wherein the T-shaped guide rod is fixedly arranged on the side wall of the base, the bottom end of the back plate is connected with the side wall of the back plate in a sliding manner through a rectangular inserting hole, the side wall of the rectangular hollow frame is in sliding fit with the side wall of the back plate, a plurality of T-shaped hanging rods which are uniformly distributed at intervals are arranged in the rectangular hollow frame, an air cylinder is arranged at the bottom end of the T-shaped hanging rods in a fixed manner, a detachable sealing disc is fixedly arranged at the end of the telescopic end of the air cylinder, the steam turbine air cylinder is stably placed in the supporting plate, and is symmetrically clamped by two side supporting backup plates to realize stable placement of the steam turbine air cylinder, and then the rectangular hollow frame can be driven to follow the back plate to synchronously slide and adjust the position according to the opening position of the cylinder body of the steam turbine air cylinder.
The T-shaped suspender positioned at the most middle position is fixedly arranged on the inner wall of the rectangular hollow frame, one T-shaped suspender at the middle position is provided with a rotating hole, the rest T-shaped suspenders are provided with threaded holes which are coaxially distributed with the rotating hole, a threaded adjusting rod is rotationally inserted between the threaded holes of the T-shaped suspenders, the threaded adjusting rod is rotationally inserted with the rotating hole, the threaded holes of one side of the T-shaped suspender at the middle position are oppositely arranged with the threaded holes of the T-shaped suspender at the other side, when the threaded adjusting rod is rotated by bare hands, one T-shaped suspender at the middle position can be taken as the center, and the rest T-shaped suspenders are adjusted to one side of one T-shaped suspender close to or far away from the middle position.
In further embodiments, the side wall of rectangle cavity frame is fixed to be equipped with the rectangle handle, the regulation hole has been seted up to the backplate, the rectangle handle slides and runs through the regulation hole, and rectangle handle both sides lateral wall is all fixed can be along the first stopper of backplate opposite side lateral wall slip laminating, the staff can bare-handedly hold the rectangle handle, utilize the first stopper to keep away from the side wall slip laminating of rectangle cavity frame with the backplate simultaneously, can enough ensure that rectangle cavity frame can normally slide from top to bottom along the lateral wall of backplate, can avoid the rectangle handle to break away from the regulation hole again, ensure that rectangle cavity frame is stable to be set up at the lateral wall of backplate.
In a further embodiment, the outer wall of the threaded adjusting rod is fixedly sleeved with two limiting plates which are respectively positioned at two sides of the T-shaped suspender at the middle position, and the limiting plates are arranged to enable the threaded adjusting rod to rotate in the rotating hole of the T-shaped suspender at the middle position, but the position of the threaded adjusting rod cannot be adjusted along the axial direction inside the hollow hole, so that the accurate adjustment of the positions of other T-shaped suspenders is not affected.
In a further embodiment, an inverted circular table type sealing block in sliding connection with the telescopic end is fixedly arranged at the bottom end of the cylinder, and the opening of the cylinder body of the steam turbine to be detected is sealed by the inverted circular table type sealing block, so that the phenomenon of poor sealing performance in the measuring process is avoided.
In a further embodiment, the upper end of the sealing disc is provided with a thread groove which is rotationally inserted with the end part of the telescopic end of the air cylinder, and the sealing disc is reversely rotated, so that the sealing disc is conveniently separated from the telescopic end of the air cylinder, and the sealing disc with other sizes is conveniently replaced.
In a further embodiment, the top ends of the side walls of the two supporting rods which are opposite front and back are horizontally fixed with the cross beams, the backup plates are fixedly arranged between the end parts of the two cross beams, a plurality of drawing rods which are opposite to each supporting backup plate are horizontally connected in a sliding manner on the backup plates in an inserting manner, the end parts of the drawing rods are hinged with the drawing rods, the end parts of the drawing rods are hinged with the top ends of the side walls of the supporting backup plates, the drawing rods are horizontally jacked up along the backup plates, and the supporting backup plates are overturned by taking the inserting rods as the centers through the drawing rods until the supporting backup plates are completely propped against the outer walls of the steam turbine cylinders.
In a further embodiment, the upper end vertical fixation of backup plate is equipped with the rectangle stand, the outer wall slip of rectangle stand has cup jointed the rectangle slip frame, the fixed inverted L type connecting rod that is equipped with of lateral wall of rectangle slip frame, the fixed depression bar that is equipped with in tip below of inverted L type connecting rod, the bottom mounting of depression bar is equipped with spacing tooth piece, the tooth's socket with spacing tooth piece joint is seted up to a plurality of pull rod outer wall on the same backup plate, slide down the rectangle slip frame along the rectangle stand outer wall, adjust down the height with the depression bar in step through the inverted L type connecting rod, until the tooth's socket of pull rod outer wall of spacing tooth piece joint in corresponding position, avoid supporting the backup plate and support behind the steam turbine cylinder outer wall, reverse upset phenomenon appears.
In further embodiments, the inner wall of the rectangular sliding frame is fixedly provided with the guide block, the outer wall of the rectangular upright post is provided with the rectangular guide groove, the guide block is in sliding clamping connection with the inner part of the rectangular guide groove, and the guide block is utilized to synchronously slide along the inner part of the rectangular guide groove, so that the up-down sliding operation of the rectangular sliding frame is not influenced, and the rectangular sliding frame is prevented from being separated from the rectangular upright post.
In a further embodiment, the two side walls of the T-shaped suspender are fixedly provided with second limiting blocks which are in interactive fit with the bottom end surfaces of the rectangular hollow frames, the second limiting blocks are utilized to ensure that the T-shaped suspender horizontally slides along the inside of the rectangular hollow frames to adjust positions, and the T-shaped suspender is prevented from being separated from the rectangular hollow frames.
Preferably, the measurement method based on the intelligent load measurement device for the steam turbine cylinder comprises the following steps of:
a1, supporting turbine cylinders with different sizes by using a supporting mechanism, measuring the in-cylinder loads of the turbine cylinders with different sizes by using a measuring mechanism after the turbine cylinders are stably supported, and adjusting the specific measuring position of the measuring mechanism according to the position of the cylinder to realize accurate measurement operation.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to an intelligent load measuring device for a steam turbine cylinder, which utilizes a supporting mechanism to support the steam turbine cylinders with different sizes, then utilizes a measuring mechanism to measure the loads in the cylinders of the steam turbine cylinders with different sizes, and can adjust the specific measuring position of the measuring mechanism according to the position of the cylinder, so that a sealing disc connected with a telescopic end of the cylinder can be quickly inserted into a cylinder body at the corresponding position for measuring operation, and the measuring efficiency is improved.
Drawings
FIG. 1 is an exploded view of the main structure of the present invention;
FIG. 2 is a schematic view of a supporting mechanism according to the present invention;
FIG. 3 is a partial exploded view of the support mechanism of the present invention;
FIG. 4 is an exploded view of two sets of support backer plates and two sets of support plate structures according to the present invention;
FIG. 5 is a schematic drawing of the structure of the pull rod of the present invention;
FIG. 6 is an exploded view of the cylinder and sealing disk structure of the present invention;
FIG. 7 is a schematic view of a partial structure of a measuring mechanism according to the present invention;
FIG. 8 is a schematic view of a T-boom construction of the present invention.
In the figure: 1. a base; 2. a measuring mechanism; 21. a back plate; 22. a T-shaped guide rod; 23. a rectangular hollow frame; 24. t-shaped suspender; 25. a threaded adjusting rod; 26. a rectangular handle; 27. a cylinder; 28. inverted round table type sealing blocks; 29. a sealing plate; 210. a second limiting block; 211. a first limiting block; 3. a support mechanism; 31. a support rod; 32. inserting a connecting rod; 33. a support backup plate; 34. a support plate; 35. a pull rod; 36. A pull rod; 37. rectangular upright posts; 38. a rectangular sliding frame; 39. an inverted L-shaped connecting rod; 310. a cross beam; 311. A backup plate; 312. a compression bar; 313. limiting tooth blocks; 314. rectangular guide grooves; 315. and a guide block.
Detailed Description
The following description will clearly and fully describe the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, fig. 2, fig. 4 and fig. 7, the embodiment provides an intelligent load measuring device for a steam turbine cylinder, which comprises a base 1, a supporting mechanism 3 and a measuring mechanism 2, wherein the supporting mechanism 3 comprises four supporting rods 31 vertically installed at four corners at the upper end of the base 1, the four supporting rods 31 are supported by the base 1, another supporting rod 31 which is opposite front and back is arranged as a group, a plugging rod 32 is fixedly arranged between the top ends of the two supporting rods 31 which are opposite front and back, a plurality of supporting backup plates 33 which are uniformly distributed at intervals are rotatably sleeved on the outer wall of the plugging rod 32, supporting plates 34 are obliquely arranged at the bottom ends of the side walls of the supporting backup plates 33, the supporting backup plates 34 at two sides are used for forming the steam turbine cylinder to be measured, and the supporting backup plates 33 at two sides are used as limiting pieces to prevent the steam turbine cylinder from sliding out from two sides of the supporting plates 34.
After the turbine cylinders to be measured with different sizes are placed on the support plates 34 on the two sides, the support plates 34 are driven by the gravity of the turbine cylinders to turn over by taking the plug-in rods 32 as the center until the support plates 33 on the two sides symmetrically abut against the two sides of the turbine cylinders, so that the turbine cylinders can be emptied and erected, and stable support of the turbine cylinders with different sizes is met.
The supporting mechanism 3 is utilized to support the turbine cylinders with different sizes, after the turbine cylinders are stably supported, the measuring mechanism 2 is utilized to measure the in-cylinder loads of the turbine cylinders with different sizes, and the specific measuring position of the measuring mechanism 2 can be adjusted according to the cylinder position, so that accurate measuring operation is realized.
The measuring mechanism 2 comprises a T-shaped guide rod 22, a back plate 21 and a rectangular hollow frame 23, wherein the T-shaped guide rod 22 is fixedly arranged on the side wall of the base 1, the bottom end of the back plate 21 is connected with the side wall of the back plate 21 in a sliding manner through a rectangular inserting hole, the side wall of the rectangular hollow frame 23 is in sliding fit with the side wall of the back plate 21, a plurality of T-shaped suspenders 24 which are uniformly distributed at intervals are arranged in the rectangular hollow frame 23, an air cylinder 27 is fixedly arranged at the bottom end of the telescopic end of the air cylinder 27, a detachable sealing disc 29 is fixedly arranged at the end of the telescopic end of the air cylinder 27, the air cylinder of the steam turbine is stably placed on a supporting plate 34, and is symmetrically clamped by two side supporting backup plates 33, so that the stable placement of the air cylinder of the steam turbine is realized, and then the air cylinder of the air cylinder can be driven to synchronously slide along the T-shaped guide rod 22 to adjust the position along the back plate 21 according to the opening position of the cylinder body of the steam turbine.
In order to stably slide the rectangular hollow frame 23 up and down along the side wall of the back plate 21, the side wall of the rectangular hollow frame 23 is fixedly provided with a rectangular handle 26, the back plate 21 is provided with an adjusting hole, the rectangular handle 26 penetrates through the adjusting hole in a sliding mode, the side walls of two sides of the rectangular handle 26 are fixedly provided with first limiting blocks 211 which can be attached to the side wall of the other side of the back plate 21 in a sliding mode, workers can hold the rectangular handle 26 by hands, meanwhile, the first limiting blocks 211 are attached to the side wall of the back plate 21 far away from the rectangular hollow frame 23 in a sliding mode, normal sliding of the rectangular hollow frame 23 up and down along the side wall of the back plate 21 can be ensured, the rectangular handle 26 is prevented from being separated from the adjusting hole, and the rectangular hollow frame 23 is ensured to be stably arranged on the side wall of the back plate 21.
When the sealing disc 29 is right up and down to the cylinder body opening of the steam turbine cylinder, the rectangular hollow frame 23 slides downwards along the side wall of the back plate 21, the sealing disc 29 connected with the telescopic end of the cylinder 27 can be quickly inserted into the steam turbine cylinder body at the corresponding position to carry out measurement operation, the telescopic end is controlled to stretch or shrink through the cylinder 27, the sealing disc 29 can be quickly pushed down up and down in the cylinder body in a reciprocating manner, the air pressure in the cylinder body can be instantly increased by adopting the sealing disc 29 which is in sliding fit with the cylinder body, the air pressure value in the cylinder body can be detected by adopting external air pressure detection equipment and displayed on an external display screen, so that a tester can conveniently control the load bearing capacity of the cylinder body, the telescopic speed of the cylinder 27 can be adjusted according to measurement requirements, the maximum load measurement operation of the cylinder body is realized, and the requirement of measuring the cylinder body load is met.
In addition, in order to ensure that the rectangular hollow frame 23 slides up and down along the side wall of the back plate 21 to adjust the height, the height of the air cylinder 27 is limited according to the measurement requirement, so that the threaded rod which is inserted and connected with the rectangular handle 26 in a rotating manner can be rotated in the adjusting hole, and the height of the rectangular handle 26 can be adjusted along the adjusting hole without adjusting the height of the rectangular hollow frame 23 only by rotating the threaded rod, thereby avoiding random change of the height of the air cylinder 27 in the measurement process and influencing the up-and-down reciprocating jacking operation of the sealing disc 29 in the steam turbine cylinder body.
Because the cylinder body positions of the steam turbine cylinders with different sizes are different, the positions of each sealing disc 29 need to be adjusted, the T-shaped suspender 24 positioned at the most middle position is fixedly arranged on the inner wall of the rectangular hollow frame 23, one T-shaped suspender 24 at the middle position is provided with a rotating hole, the rest T-shaped suspenders 24 are provided with threaded holes which are coaxially distributed with the rotating hole, a threaded adjusting rod 25 is rotationally inserted between the threaded holes of the T-shaped suspenders 24, the threaded adjusting rod 25 is rotationally inserted with the rotating hole, the threaded hole of one side of the T-shaped suspender 24 at the middle position is rotationally opposite to the threaded hole of the T-shaped suspender 24 at the other side, and when the threaded adjusting rod 25 is rotated by bare hands, the rest T-shaped suspenders 24 can be adjusted to one side of the T-shaped suspender 24 close to or far from the middle position by taking one T-shaped suspender 24 at the middle position as the center.
The gap between two adjacent T-shaped suspenders 24 is synchronously and rapidly adjusted, so that the air cylinder 27 is synchronously adjusted along with the T-shaped suspenders 24, the gap between two adjacent sealing discs 29 is conveniently adjusted according to the gap between two adjacent cylinders of the steam turbine air cylinder, the backboard 21 is horizontally slid along the T-shaped guide rod 22, the rectangular hollow frame 23 can be driven to synchronously slide along the backboard 21 to adjust the position, after the sealing discs 29 are vertically opposite to the cylinder body openings of the steam turbine air cylinder, the rectangular hollow frame 23 slides downwards along the side wall of the backboard 21, and the sealing discs 29 connected with the telescopic ends of the air cylinder 27 can be rapidly inserted into the steam turbine air cylinder body at the corresponding position to carry out measurement operation.
Example two
Referring to fig. 1-5, further modifications were made based on example 1:
in order to further enhance the stability of the turbine cylinder to be measured, the support backup plates 33 on two sides are clamped and positioned, the transverse beams 310 are horizontally and fixedly arranged at the top ends of the side walls of the two support rods 31 which are opposite to each other, the backup plates 311 are fixedly provided with backup plates 311 between the end parts of the two transverse beams 310, a plurality of drawing pull rods 35 which are opposite to each support backup plate 33 are horizontally and slidably inserted on the backup plates 311, the end parts of the drawing pull rods 35 are hinged with pull rods 36, the end parts of the drawing pull rods 36 are hinged with the top ends of the side walls of the support backup plates 33, the drawing pull rods 35 are horizontally jacked up along the backup plates 311, and the support backup plates 33 are overturned by taking the inserting rods 32 as the center through the drawing pull rods 35 until the support backup plates completely abut against the outer wall of the turbine cylinder.
In addition, the upper end of the backup plate 311 is vertically fixed with a rectangular upright post 37, the outer wall of the rectangular upright post 37 is slidably sleeved with a rectangular sliding frame 38, the side wall of the rectangular sliding frame 38 is fixedly provided with an inverted L-shaped connecting rod 39, the lower part of the end part of the inverted L-shaped connecting rod 39 is fixedly provided with a pressing rod 312, the bottom end of the pressing rod 312 is fixedly provided with a limiting tooth block 313, the outer walls of a plurality of pull rods 35 on the same backup plate 311 are provided with tooth grooves which are clamped with the limiting tooth blocks 313, the rectangular sliding frame 38 slides downwards along the outer wall of the rectangular upright post 37, the pressing rod 312 is synchronously adjusted downwards to a height through the inverted L-shaped connecting rod 39 until the limiting tooth blocks 313 are clamped with the tooth grooves of the outer wall of the pull rod 35 at the corresponding position, and the phenomenon that the backup plate 33 is reversely overturned after being propped against the outer wall of a steam turbine cylinder is avoided.
Example III
Referring to fig. 1, 2, 6 and 8, further improvements are made on the basis of embodiment 2:
in order to avoid that the supporting plates 34 on two sides are pressed downwards by the gravity of the turbine cylinder and fall from the gap between the supporting plates 34 on two sides, the effective supporting of the turbine cylinder is affected, the supporting plates 34 on two sides are distributed in a staggered mode and are distributed in an X-shaped structure, the turbine cylinder is supported by the turbine cylinder in the X-shaped structure, even if the supporting plates 34 are pressed downwards by the gravity of the turbine cylinder, gaps cannot occur between the end portions of the supporting plates 34 on two sides, accordingly the turbine cylinder cannot fall, and stable supporting is achieved.
In order to ensure that when the threaded adjusting rod 25 is rotated, the position of the threaded adjusting rod 25 is changed, the outer wall of the threaded adjusting rod 25 is fixedly sleeved with two limiting plates which are respectively positioned on two sides of the T-shaped suspender 24 in the middle position, and the limiting plates are arranged to enable the threaded adjusting rod 25 to rotate in a rotating hole of the T-shaped suspender 24 in the middle position, but the position of the threaded adjusting rod is not adjusted along the axial direction in the hollow hole, so that the accurate adjustment of the positions of other T-shaped suspenders 24 is not influenced.
In order to improve the accuracy of the cylinder body load, an inverted circular truncated cone type sealing block 28 which is in sliding connection with the telescopic end is fixedly arranged at the bottom end of the cylinder 27, and the opening of the cylinder body of the steam turbine to be detected is sealed by the inverted circular truncated cone type sealing block 28, so that the phenomenon of poor sealing performance in the measuring process is avoided.
In order to conveniently replace sealing discs 29 with different sizes, screw grooves which are rotationally inserted with the end parts of the telescopic ends of the air cylinders 27 are formed in the upper ends of the sealing discs 29, the screw grooves of the sealing discs 29 are inserted with the telescopic ends of the air cylinders 27, the sealing discs 29 with different sizes can be selected according to use requirements, measurement requirements are met, and meanwhile, the sealing discs 29 are reversely rotated to facilitate separation of the sealing discs 29 from the telescopic ends of the air cylinders 27, so that the sealing discs 29 with other sizes can be conveniently replaced.
Through fixedly being equipped with guide block 315 at the inner wall of rectangle slip frame 38, rectangle guide slot 314 is seted up to the outer wall of rectangle stand 37, and guide block 315 and the inside slip joint of rectangle guide slot 314, when rectangle slip frame 38 slides along rectangle stand 37 outer wall from top to bottom, utilizes guide block 315 to slide along rectangle guide slot 314 inside is synchronous, can not influence the upper and lower slip operation of rectangle slip frame 38, can avoid rectangle slip frame 38 to break away from rectangle stand 37 again.
In order to ensure that the T-shaped suspender 24 can only horizontally slide along the inside of the rectangular hollow frame 23 to adjust the position, second limiting blocks 210 which are in interactive fit with the bottom end surface of the rectangular hollow frame 23 are fixedly arranged on the side walls of the two sides of the T-shaped suspender 24, and the second limiting blocks 210 are utilized to ensure that the T-shaped suspender 24 horizontally slides along the inside of the rectangular hollow frame 23 to adjust the position, so that the T-shaped suspender 24 is prevented from being separated from the rectangular hollow frame 23.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An intelligent load measuring device for a steam turbine cylinder comprises a base (1), a supporting mechanism (3) and a measuring mechanism (2), and is characterized in that: the supporting mechanism (3) comprises four supporting rods (31) vertically arranged at four corners of the upper end of the base (1), inserting rods (32) are fixedly arranged between the top ends of the two supporting rods (31) which are opposite to each other in front and back, a plurality of supporting backup plates (33) which are uniformly distributed at intervals are rotatably sleeved on the outer wall of each inserting rod (32), supporting plates (34) are obliquely arranged at the bottom ends of the side walls of the supporting backup plates (33), and the supporting plates (34) at the two sides are distributed in a staggered mode and are distributed in an X-shaped structure;
the measuring mechanism (2) comprises a T-shaped guide rod (22), a back plate (21) and a rectangular hollow frame (23), wherein the T-shaped guide rod (22) is fixedly arranged on the side wall of the base (1), the bottom end of the back plate (21) is in sliding connection with the T-shaped guide rod (22) through a rectangular plug hole, the side wall of the rectangular hollow frame (23) is in sliding connection with the side wall of the back plate (21), a plurality of T-shaped suspenders (24) which are uniformly distributed at intervals are arranged in the rectangular hollow frame (23), an air cylinder (27) is fixedly arranged at the bottom end of the T-shaped suspender (24), and a detachable sealing disc (29) is fixedly arranged at the end part of the telescopic end of the air cylinder (27);
t-shaped suspenders (24) positioned at the most middle position are fixedly arranged on the inner wall of a rectangular hollow frame (23), one T-shaped suspender (24) at the middle position is provided with a rotating hole, the rest T-shaped suspenders (24) are provided with threaded holes which are coaxially distributed with the rotating hole, threaded adjusting rods (25) are rotatably inserted between the threaded holes of the T-shaped suspenders (24), and the threaded adjusting rods (25) are rotatably inserted with the rotating holes.
2. An intelligent load measuring device for a steam turbine cylinder according to claim 1, wherein: the side wall of the rectangular hollow frame (23) is fixedly provided with a rectangular handle (26), the back plate (21) is provided with an adjusting hole, the rectangular handle (26) penetrates through the adjusting hole in a sliding mode, and the side walls of two sides of the rectangular handle (26) are respectively fixedly provided with a first limiting block (211) which can be attached along the side wall of the other side of the back plate (21) in a sliding mode.
3. An intelligent load measuring device for a steam turbine cylinder according to claim 1, wherein: the outer wall of the thread adjusting rod (25) is fixedly sleeved with two limiting plates which are respectively positioned on two sides of the T-shaped suspender (24) at the middle position.
4. An intelligent load measuring device for a steam turbine cylinder according to claim 1, wherein: an inverted round table type sealing block (28) which is in sliding connection with the telescopic end is fixedly arranged at the bottom end of the air cylinder (27).
5. An intelligent load measuring device for a steam turbine cylinder according to claim 1, wherein: the upper end of the sealing disc (29) is provided with a thread groove which is rotationally inserted with the end part of the telescopic end of the air cylinder (27).
6. An intelligent load measuring device for a steam turbine cylinder according to claim 1, wherein: the transverse beams (310) are horizontally and fixedly arranged at the top ends of the side walls of the two supporting rods (31) which are opposite to each other in front and back, the backup plates (311) are fixedly arranged between the end parts of the two transverse beams (310), a plurality of drawing rods (35) which are opposite to each supporting backup plate (33) are horizontally and slidably inserted on the backup plates (311), the end parts of the drawing rods (35) are hinged with the drawing rods (36), and the end parts of the drawing rods (35) are hinged with the top ends of the side walls of the supporting backup plates (33).
7. An intelligent load measuring apparatus for a steam turbine cylinder as defined in claim 6, wherein: the upper end vertical fixation of backup plate (311) is equipped with rectangle stand (37), the outer wall slip of rectangle stand (37) has cup jointed rectangle slip frame (38), the lateral wall of rectangle slip frame (38) is fixed to be equipped with handstand L type connecting rod (39), the tip below of handstand L type connecting rod (39) is fixed to be equipped with depression bar (312), the bottom mounting of depression bar (312) is equipped with spacing tooth piece (313), and the tooth's socket with spacing tooth piece (313) joint has been seted up to a plurality of pull rod (35) outer wall on same backup plate (311).
8. An intelligent load measuring apparatus for a steam turbine cylinder as defined in claim 7, wherein: the inner wall of the rectangular sliding frame (38) is fixedly provided with a guide block (315), the outer wall of the rectangular upright post (37) is provided with a rectangular guide groove (314), and the guide block (315) is in sliding clamping connection with the inside of the rectangular guide groove (314).
9. An intelligent load measuring device for a steam turbine cylinder according to claim 1, wherein: and second limiting blocks (210) which are in interactive fit with the bottom end surfaces of the rectangular hollow frames (23) are fixedly arranged on the side walls of the two sides of the T-shaped suspenders (24).
10. A measuring method of an intelligent load measuring apparatus for a steam turbine cylinder, employing an intelligent load measuring apparatus for a steam turbine cylinder as claimed in claim 1, characterized by comprising the steps of:
a1, utilize supporting mechanism (3) to support the steam turbine cylinder of equidimension, after the steam turbine cylinder is stabilized and supported, utilize measuring mechanism (2) to measure the in-cylinder load of the steam turbine cylinder of equidimension not, can adjust the concrete measurement position of measuring mechanism (2) according to the cylinder position, realize accurate measurement operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678284.4A CN115030782B (en) | 2022-06-13 | 2022-06-13 | Intelligent load measuring device for steam turbine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678284.4A CN115030782B (en) | 2022-06-13 | 2022-06-13 | Intelligent load measuring device for steam turbine cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115030782A CN115030782A (en) | 2022-09-09 |
| CN115030782B true CN115030782B (en) | 2023-06-02 |
Family
ID=83125393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210678284.4A Active CN115030782B (en) | 2022-06-13 | 2022-06-13 | Intelligent load measuring device for steam turbine cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115030782B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095109A (en) * | 1966-10-03 | 1967-12-13 | Rolls Royce | Improvements in or relating to gas turbine engines |
| CN108593175A (en) * | 2018-05-22 | 2018-09-28 | 吉林大学 | A kind of workshop ball node flap seat vertical load measuring device and measuring method |
| RU2711886C1 (en) * | 2019-04-12 | 2020-01-23 | Открытое акционерное общество "Всероссийский дважды ордена Трудового Красного Знамени теплотехнический научно-исследовательский институт" (ОАО "ВТИ") | Device and method of normalizing thermal expansion of a cylinder of a steam turbine |
| CN113464214A (en) * | 2021-05-25 | 2021-10-01 | 内蒙古蒙达发电有限责任公司 | Steam turbine cylinder load measuring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4452053B2 (en) * | 2003-10-01 | 2010-04-21 | 三菱重工業株式会社 | Axis deviation measuring device |
-
2022
- 2022-06-13 CN CN202210678284.4A patent/CN115030782B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095109A (en) * | 1966-10-03 | 1967-12-13 | Rolls Royce | Improvements in or relating to gas turbine engines |
| CN108593175A (en) * | 2018-05-22 | 2018-09-28 | 吉林大学 | A kind of workshop ball node flap seat vertical load measuring device and measuring method |
| RU2711886C1 (en) * | 2019-04-12 | 2020-01-23 | Открытое акционерное общество "Всероссийский дважды ордена Трудового Красного Знамени теплотехнический научно-исследовательский институт" (ОАО "ВТИ") | Device and method of normalizing thermal expansion of a cylinder of a steam turbine |
| CN113464214A (en) * | 2021-05-25 | 2021-10-01 | 内蒙古蒙达发电有限责任公司 | Steam turbine cylinder load measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115030782A (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212134366U (en) | Furniture detects uses dining-table pressure test equipment | |
| CN208207140U (en) | A kind of electronic component quality inspection platform | |
| CN115876623B (en) | Motor casing local hardness detection device and detection method thereof | |
| CN115030782B (en) | Intelligent load measuring device for steam turbine cylinder | |
| CN205680336U (en) | A kind of physical and mechanical experiment device | |
| CN201269843Y (en) | Experimental fixture for testing compression mechanical property of material | |
| CN209041878U (en) | A kind of steel construction surveying instrument supporting frame | |
| CN209657031U (en) | A kind of LCD panel test tooling | |
| CN210834463U (en) | Can unite compression fatigue testing machine to carry out tensile fatigue test's tool equipment | |
| CN210860394U (en) | Fixing frame for film mechanical projector | |
| CN212514003U (en) | Eccentric loading pseudo-static test device | |
| CN204903123U (en) | Display module assembly fall testing arrangement | |
| CN207721361U (en) | A kind of project cost on-site working device | |
| CN208536745U (en) | A kind of cotton fiber thickness detection workbench | |
| CN221012707U (en) | Floor stand capable of being quickly disassembled and assembled | |
| CN205843657U (en) | A kind of tunnel detector | |
| CN219712852U (en) | Display screen display angle adjusting structure of network tester | |
| CN220794930U (en) | Dam body quality detection device | |
| CN219331100U (en) | Leveling supporting seat for attic goods shelf | |
| CN219300326U (en) | Portable fixing frame for power distribution network communication tester | |
| CN210375411U (en) | Testing device for detecting illumination of building site | |
| CN213875341U (en) | Cement-based self-leveling mortar fluidity testing device | |
| CN220271064U (en) | Special ceramic product inspection device | |
| CN211346805U (en) | Levelness measuring device for engineering supervision | |
| CN214121620U (en) | Robot testboard fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |