CN114858434B - Exhaust device for hydrostatic test of steam turbine cylinder - Google Patents
Exhaust device for hydrostatic test of steam turbine cylinder Download PDFInfo
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- CN114858434B CN114858434B CN202210524155.XA CN202210524155A CN114858434B CN 114858434 B CN114858434 B CN 114858434B CN 202210524155 A CN202210524155 A CN 202210524155A CN 114858434 B CN114858434 B CN 114858434B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an exhaust device for a hydraulic test of a turbine cylinder, which relates to the technical field of hydraulic tests of turbine cylinders and comprises a water tank, a supporting mechanism and a pressure discharging mechanism, wherein an inverted T-shaped bracket capable of rotatably supporting the first supporting roller is rotatably arranged at the end part of the first supporting roller, side walls at two sides of a first V-shaped supporting plate are rotatably arranged between the top ends of two first supporting rods through connecting rods, side walls at two sides of a second V-shaped supporting plate are rotatably arranged between the top ends of two second supporting rods through connecting rods, the pressure discharging mechanism comprises an air cylinder which is adjustably arranged at the upper end of the water tank, a push rod extending into the air cylinder is slidably inserted into a threaded hole, and a connecting cap connected with an exhaust port of the turbine cylinder is fixedly connected with the end part of the air duct. According to the invention, the supporting mechanism is used for stabilizing the turbine cylinder, so that the turbine cylinder is completely immersed below the liquid level of the water tank, and the air in the cylinder is collected by the pressure discharge mechanism, so that the air can be completely discharged in the pressurizing and irrigation process, and the boosting speed is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic tests of turbine cylinders, in particular to an exhaust device for the hydraulic test of the turbine cylinders.
Background
In the production process of the steam turbine cylinder, the hydraulic test operation needs to be carried out in the cylinder of the steam turbine cylinder, in the in-cylinder pressurizing process of the steam turbine cylinder, an exhaust connecting pipe is not arranged at the top of the cylinder of the steam turbine cylinder, air cannot be completely discharged in the pressurizing and water filling process, partial space inside the cylinder is a gas-phase space, and the compression coefficient of the air is much larger than that of water and is continuously compressed in the continuously pressurizing process, so that the pressure is very slow, the pressure is slowly increased in the pressurizing process, and the hydraulic test efficiency is influenced, and therefore, the exhaust device for the hydraulic test of the steam turbine cylinder is designed so as to solve the problems.
Disclosure of Invention
The invention aims to provide an exhaust device for hydraulic test of a steam turbine cylinder, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an exhaust apparatus for hydrostatic test of turbine cylinder usefulness, including the water tank, supporting mechanism and pressure discharge mechanism, the water tank upper end is open structure, and inside filling is equipped with experimental usefulness's water, supporting mechanism sets up in the inside bottom of water tank, utilize supporting mechanism to stabilize turbine cylinder, make turbine cylinder submergence completely below the water tank liquid level, it is clean to not totally discharge the air in the water filling process of beating, lead to the inside partial space of jar to be gaseous phase space, because the compression factor of air is greater than water, constantly compressed in the in-process of constantly pressurizing, thereby it is very slow to lead to the boost, the in-process of beating is stepped up slowly, influence hydrostatic test efficiency, utilize pressure discharge mechanism to collect turbine cylinder inside air, ensure to beat the water filling in-process and can totally discharge the air, avoid the inside partial space of jar to be gaseous phase space, the speed of raising the boost, raise hydrostatic test efficiency.
The supporting mechanism comprises a first supporting roller, a second supporting roller, a first V-shaped supporting plate and a second V-shaped supporting plate, wherein an inverted T-shaped support capable of rotatably supporting the first supporting roller is arranged at the end part of the first supporting roller in a rotating mode, two first supporting rods are vertically arranged at the upper end of the outer wall of the first supporting roller, two side walls of the two sides of the first V-shaped supporting plate are rotatably arranged between the top ends of the two first supporting rods through connecting rods, torsion springs are arranged at the rotating positions, the end part of the second supporting roller is fixedly inserted into the side walls of the two sides of the water tank, two second supporting rods are vertically arranged at the upper end of the outer wall of the second supporting roller, two side walls of the second V-shaped supporting plate are rotatably arranged between the top ends of the two second supporting rods through connecting rods, torsion springs are arranged at the rotating positions, one end of a turbine cylinder to be tested is placed at the upper end of the second V-shaped supporting plate under the influence of the gravity of the turbine cylinder, and the rotating positions of the two second V-shaped supporting plates rotate around the rotating positions of the two second supporting rods in a homeotropic mode, and torsion potential energy is generated, so that one end of the turbine cylinder is empty at one end of the water tank.
According to the position of the other end of the steam turbine, the inverted T-shaped support at the end part of the first supporting roller horizontally slides along the top end surface inside the water tank, so that the first V-shaped supporting plate between the top ends of the two first supporting rods can be horizontally adjusted to the supporting position inside the water tank until the first V-shaped supporting plate is adjusted to be right below the other end inside the steam turbine cylinder, the other end of the steam turbine cylinder is placed at the upper end of the first V-shaped supporting plate, the first V-shaped supporting plate is subjected to the gravity influence of the steam turbine cylinder to rotate around the rotating position of the two first supporting rods, and torsion springs generate torsion potential energy, so that the other end of the steam turbine cylinder is emptied and erected at the other end inside the water tank.
The exhaust mechanism comprises an adjustable air cylinder arranged at the upper end of the water tank, a threaded hole communicated with the inside of the air cylinder is formed in the upper end of the air cylinder, a push rod extending to the inside of the air cylinder is inserted in the threaded hole in a sliding manner, a pull block which is in sliding fit with the inner wall of the air cylinder is arranged at the bottom end of the push rod, an air guide pipe is connected to the bottom end of the air cylinder, a connecting cap which is connected with an exhaust port of a turbine cylinder is fixedly connected to the end of the air guide pipe, water for the test is filled in the water tank, the turbine cylinder is completely immersed below the liquid level of the water tank, the connecting cap is connected with an exhaust hole which is pre-formed in the turbine cylinder, then the push rod is lifted upwards along the inside of the air cylinder, the pull block is driven to slide upwards synchronously along the inner wall of the air cylinder, negative pressure is generated, and partial space inside the turbine cylinder is avoided to be a gas phase space, so that the pressure rise is very slow.
In a further embodiment, the outer wall of the push rod is fixedly sleeved with a threaded sealing column at the upper end of the drawing block, the threaded sealing column is rotationally inserted into the threaded hole through external threads, after the push rod is lifted upwards to produce negative pressure to extract air in the turbine cylinder, the air is temporarily stored in the air cylinder, then the threaded sealing column is inserted into the threaded hole at the top end of the air cylinder, the position of the push rod is limited, the position of the drawing block is also limited, and the air in the air cylinder is prevented from being pushed into the turbine cylinder again.
In a further embodiment, two inverted L-shaped brackets are symmetrically and fixedly arranged on the outer wall of the air cylinder, a support block capable of sliding along the upper end of the water tank is fixedly arranged at the bottom end of each inverted L-shaped bracket, an inverted T-shaped sliding block is fixedly arranged at the bottom end of each support block, an inverted T-shaped sliding groove in sliding clamping connection with each inverted T-shaped sliding block is formed in the upper end of the water tank, the position of the air cylinder is adjusted according to the position of the exhaust hole of the air cylinder of the steam turbine, namely, the inverted T-shaped sliding blocks at the bottom ends of the two inverted L-shaped brackets can horizontally slide along the inside of each inverted T-shaped sliding groove, and then the specific position of the pressure discharging mechanism can be adjusted.
In a further embodiment, the upper ends of the first V-shaped supporting plate and the second V-shaped supporting plate are vertically and fixedly provided with limiting baffles at the ends of the turbine cylinder, and the turbine cylinder can be prevented from separating from the first V-shaped supporting plate and the second V-shaped supporting plate by limiting the two limiting baffles at the ends of the turbine cylinder.
In a further embodiment, the side wall of one side of the inverted T-shaped brackets on two sides far away from the second supporting roller is fixedly provided with an L-shaped supporting frame, the ends of the two L-shaped supporting frames are fixedly provided with sleeves, sleeve shafts are inserted into the sleeves in a rotating mode, the bottom ends of the sleeve shafts are fixedly provided with worms, the outer walls of the first supporting rollers are fixedly sleeved with turbines matched with the worms, the sleeve shafts are rotated in the sleeves according to supporting requirements, the turbines on the outer walls of the first supporting rollers can be driven to rotate synchronously by the rotating worms, the inclination angles of the two first supporting rods can be changed, namely the heights of the first V-shaped supporting plates are changed, the heights of the first V-shaped supporting plates are adjusted to be below the liquid level of the water tank according to test requirements, so that a turbine cylinder can be completely immersed below the liquid level, the test can be effectively carried out, and the turbine can be determined not to rotate automatically by utilizing the principle of turbine and worm transmission.
In a further embodiment, the annular rotating groove is formed in the inner wall of the sleeve, the annular block which is in rotating clamping connection with the annular rotating groove is fixedly sleeved on the outer wall of the sleeve shaft, the annular block is utilized to rotate freely in the annular rotating groove, the sleeve shaft can be ensured to rotate freely in the sleeve, and the sleeve can be prevented from falling from the sleeve.
The sleeve shaft and the worm are provided with through holes which are in sliding connection with the limiting rod, the outer wall of the limiting rod is symmetrically and fixedly provided with limiting sliding blocks, the inner wall of the through holes is provided with limiting notches which are in sliding connection with the limiting sliding blocks, the limiting rod is inserted into the through holes, meanwhile, the limiting sliding blocks are in clamping connection with the limiting notches, and the sleeve shaft and the worm can be driven to synchronously rotate through rotating the limiting rod.
In further embodiments, the gag lever post bottom mounting is equipped with the clamp plate, and the outer wall of gag lever post has cup jointed the spring that is located between worm and the clamp plate, and the bottom mounting of clamp plate is equipped with the fixture block, and the draw-in groove with the fixture block joint is seted up to the inside bottom face of water tank, utilizes the elasticity of spring can be with the gag lever post along the through-hole gliding, can drive the fixture block joint of the bottom of clamp plate in the draw-in groove of corresponding position, ensures that first V type layer board supporting position does not change.
In a further embodiment, rollers capable of rolling along the bottom end surface inside the water tank are rotatably arranged on two sides of the bottom end of the inverted T-shaped support, the rollers are utilized to replace the inverted T-shaped support to horizontally slide along the bottom end surface inside the water tank, and the speed of position adjustment of the first V-shaped supporting plate is improved.
In a further embodiment, the upper ends of the first V-shaped supporting plate and the second V-shaped supporting plate are fixedly provided with a plurality of protruding blocks with conical structures, and static friction force contacted with the outer wall of the turbine cylinder is increased by the protruding blocks with conical structures, so that the turbine cylinder is prevented from swinging between the first V-shaped supporting plate and the second V-shaped supporting plate.
Preferably, the exhaust device operation method for the hydrostatic test of the turbine cylinder comprises the following steps:
a1, utilize supporting mechanism to stabilize the turbine cylinder for the turbine cylinder is immersed in the below the water tank liquid level completely, utilizes the exhaust mechanism to collect the inside air of turbine cylinder, ensures to fully discharge the air at the pressure of pouring into water in-process, avoids the inside partial space of jar to be the gaseous phase space, improves the speed of boosting, improves hydrostatic test efficiency.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to an exhaust device for a hydraulic test of a turbine cylinder, which utilizes a supporting mechanism to stabilize the turbine cylinder, so that the turbine cylinder is completely immersed below the liquid level of a water tank, and then utilizes a pressure exhaust mechanism to collect air in the turbine cylinder, thereby ensuring that the air can be completely exhausted in the pressurizing and water filling process, avoiding that partial space in the cylinder is a gas phase space, improving the boosting speed and improving the hydraulic test efficiency.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a partial cross-sectional view of the drainage mechanism of the present invention;
FIG. 3 is a half cross-sectional view of the water tank of the present invention;
FIG. 4 is a schematic view of a first support roller and a first V-shaped pallet according to the present invention;
FIG. 5 is a schematic view of a second support roller and a second V-shaped pallet according to the present invention;
FIG. 6 is a schematic view of a partial structure of a supporting mechanism according to the present invention;
FIG. 7 is a half cross-sectional view of a sleeve of the present invention;
fig. 8 is an exploded view of the sleeve and quill configuration of the present invention.
In the figure: 1. a water tank; 11. inverted T-shaped chute; 12. a clamping groove; 2. a pressure discharging mechanism; 21. an inverted L-shaped bracket; 22. a support block; 23. an air cylinder; 24. a push rod; 25. an air duct; 26. a connecting cap; 27. a drawing block; 28. a threaded sealing column; 3. a support mechanism; 31. a first support bar; 32. a first V-shaped pallet; 33. a limit baffle; 34. a limit rod; 35. a second V-shaped pallet; 36. a second support bar; 37. a bump; 38. a first backup roll; 39. a turbine; 310. an inverted T-shaped bracket; 311. a roller; 312. an L-shaped supporting frame; 313. a sleeve; 314. a limit sliding block; 315. a worm; 316. a pressing plate; 317. a second support roller; 318. a spring; 319. a clamping block; 320. an annular rotating groove; 321. a sleeve shaft; 322. an annular 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, 2 and 4, this embodiment provides an exhaust device for a hydraulic test of a turbine cylinder, which includes a water tank 1, a supporting mechanism 3 and a pressure discharge mechanism 2, wherein the upper end of the water tank 1 is of an open structure, and test water is filled in the water tank, the supporting mechanism 3 is arranged at the bottom end of the water tank 1, the turbine cylinder is stabilized by the supporting mechanism 3, so that the turbine cylinder is completely immersed below the liquid level of the water tank 1, the air cannot be completely discharged in the pressurizing and filling process, a part of space in the cylinder is a gas phase space, the compression coefficient of the air is much larger than that of the water, the air is continuously compressed in the pressurizing process, thus the pressure increase is slow, the hydraulic test efficiency is affected, the pressure increase mechanism 2 is utilized to collect the air in the turbine cylinder, the air can be completely discharged in the pressurizing and filling process, the part of the space in the cylinder is prevented from being a gas phase space, the pressure increase speed is increased, and the hydraulic test efficiency is improved.
The supporting mechanism 3 comprises a first supporting roller 38, a second supporting roller 317, a first V-shaped supporting plate 32 and a second V-shaped supporting plate 35, the end parts of the second supporting roller 317 are fixedly inserted into the side walls of the two sides of the inside of the water tank 1, two second supporting rods 36 are vertically arranged at the upper ends of the outer walls of the second supporting roller 317, the side walls of the two sides of the second V-shaped supporting plate 35 are rotatably arranged between the top ends of the two second supporting rods 36 through connecting rods, torsion springs are arranged at the rotating positions, one ends of the turbine cylinders to be tested are arranged at the upper ends of the second V-shaped supporting plate 35, the second V-shaped supporting plate 35 is subjected to the gravity influence of the turbine cylinders to rotate around the rotating positions of the two second supporting rods 36, and the torsion springs generate torsion potential energy, so that one ends of the turbine cylinders are empty and erected at one end inside the water tank 1.
The end of the first support roller 38 is rotatably provided with an inverted T-shaped support 310 capable of rotatably supporting the first support roller 38, the upper end of the outer wall of the first support roller 38 is vertically provided with two first support rods 31, the side walls on two sides of the first V-shaped support plate 32 are rotatably arranged between the top ends of the two first support rods 31 through connecting rods, the rotating part is provided with a torsion spring, the inverted T-shaped support 310 at the end of the first support roller 38 horizontally slides along the top end surface inside the water tank 1 according to the position of the other end of the steam turbine, so that the supporting position of the first V-shaped support plate 32 between the top ends of the two first support rods 31 can be horizontally adjusted inside the water tank 1 until the first V-shaped support plate 32 is adjusted to be right below the other end inside the steam turbine cylinder, the other end of the steam turbine cylinder is placed at the upper end of the first V-shaped support plate 32, the first V-shaped support plate 32 rotates around the rotating part of the two first support rods 31 under the influence of the gravity of the steam turbine cylinder, and the torsion spring generates torsion potential energy, so that the other end of the steam turbine cylinder vacates the other end of the steam turbine cylinder is erected inside the water tank 1.
The exhaust mechanism 2 comprises an air cylinder 23 which is adjustably arranged at the upper end of the water tank 1, two inverted L-shaped brackets 21 are symmetrically and fixedly arranged on the outer wall of the air cylinder 23, a supporting block 22 which can slide along the upper end of the water tank 1 is fixedly arranged at the bottom end of the inverted L-shaped brackets 21, an inverted T-shaped sliding block is fixedly arranged at the bottom end of the supporting block 22, an inverted T-shaped sliding groove 11 which is in sliding clamping connection with the inverted T-shaped sliding block is formed at the upper end of the water tank 1, the position of the air cylinder 23 is adjusted according to the position of an exhaust hole of a steam turbine air cylinder, namely, the inverted T-shaped sliding blocks at the bottom ends of the two inverted L-shaped brackets 21 slide horizontally along the inside of the inverted T-shaped sliding groove 11, and the specific position of the exhaust mechanism 2 can be adjusted.
The screw hole with the inside intercommunication of inflator 23 has been seted up to the upper end of inflator 23, the inside slip grafting of screw hole has the push rod 24 that extends to the inflator 23 inside, the bottom mounting of push rod 24 is equipped with the pull piece 27 that laminates with inflator 23 inner wall slip, the bottom of inflator 23 is connected with air duct 25, and the tip fixedly connected with of air duct 25 is connected with the connecting cap 26 that is connected with the steam turbine cylinder gas vent, the water of the inside filling test of water tank 1, make the steam turbine cylinder immerse under the water tank 1 liquid level completely, with connecting cap 26 and the exhaust hole connection of seting up in advance of steam turbine cylinder, push rod 24 upwards lifts along inflator 23 inside afterwards, drive pull piece 27 upwards synchronous slip along inflator 23 inner wall, produce the negative pressure and take out steam turbine cylinder internal air completely, avoid the jar inside to have partial space to be the gas phase space, it is very slow to lead to the boost.
Example two
Referring to fig. 1-8, further modifications were made based on example 1:
because the inverted T-shaped brackets 310 can slide horizontally along the bottom end surface inside the water tank 1, the position of the first V-shaped supporting plate 32 can be adjusted at will, so that the steam turbine cylinders placed on the first V-shaped supporting plate 32 and the second V-shaped supporting plate 35 are easy to drop, therefore, the position of the first V-shaped supporting plate 32 cannot be adjusted at will, the side walls of the two sides of the inverted T-shaped brackets 310 far away from the second supporting roller 317 are fixedly provided with the L-shaped supporting frames 312, the end parts of the two L-shaped supporting frames 312 are fixedly provided with the sleeves 313, the sleeve shafts 321 are rotatably inserted into the sleeves 313, the bottom ends of the sleeve shafts 321 are fixedly provided with the worms 315, the outer walls of the first supporting rollers 38 are fixedly sleeved with the turbines 39 matched with the worms 315, the rotating sleeve shafts 321 can drive the worms 315 to synchronously rotate according to supporting requirements, and the rotating worms 315 can drive the turbines 39 on the outer walls of the first supporting rollers 38 to synchronously rotate, so that the inclination angles of the two first supporting rods 31 change, namely the heights of the first V-shaped supporting plates 32 change.
According to the test requirement, the height of the first V-shaped supporting plate 32 is adjusted to be lower than the liquid level of the water tank 1, so that the turbine cylinder can be completely immersed below the liquid level, the test is effectively carried out, and the turbine 39 can be determined not to automatically rotate reversely by utilizing the principle of the transmission of the turbine 39 and the worm 315.
In order to ensure that the sleeve shaft 321 freely rotates in the sleeve 313, an annular rotating groove 320 is formed in the inner wall of the sleeve 313, an annular block 322 which is in rotating clamping connection with the annular rotating groove 320 is fixedly sleeved on the outer wall of the sleeve shaft 321, and the annular block 322 is utilized to freely rotate in the annular rotating groove 320, so that the sleeve shaft 321 can be ensured to freely rotate in the sleeve 313, and the sleeve 313 can be prevented from falling from the sleeve 313.
Through the through holes which are slidably inserted into the sleeve shaft 321 and the worm 315 are formed in the sleeve shaft, the limiting slide blocks 314 are symmetrically and fixedly arranged on the outer wall of the limiting rod 34, limiting notches which are slidably clamped with the limiting slide blocks 314 are formed in the inner wall of the through holes, the limiting rod 34 is inserted into the through holes, meanwhile, the limiting slide blocks 314 are clamped with the limiting notches, and the sleeve shaft 321 and the worm 315 can be driven to synchronously rotate through rotating the limiting rod 34.
After the position of the first V-shaped supporting plate 32 is adjusted to the lower part of the end part of the turbine cylinder, the position of the inverted T-shaped bracket 310 needs to be ensured not to be changed at will, the pressing plate 316 is fixedly arranged at the bottom end of the limiting rod 34, the spring 318 positioned between the worm 315 and the pressing plate 316 is sleeved on the outer wall of the limiting rod 34, the clamping block 319 is fixedly arranged at the bottom end of the pressing plate 316, the clamping groove 12 which is clamped with the clamping block 319 is formed in the bottom end surface of the water tank 1, the limiting rod 34 can slide down along the through hole by utilizing the elasticity of the spring 318, the clamping block 319 which can drive the bottom end of the pressing plate 316 is clamped in the clamping groove 12 at the corresponding position, and the supporting position of the first V-shaped supporting plate 32 is ensured not to be changed.
Example III
Referring to fig. 1-5, a further improvement was made over example 2:
the inverted T-shaped support 310 generates larger friction force when sliding horizontally along the bottom end surface inside the water tank 1, influences the quick adjustment of the position of the first V-shaped support plate 32, and improves the speed of the position adjustment of the first V-shaped support plate 32 by rotating the rollers 311 capable of rolling along the bottom end surface inside the water tank 1 on both sides of the bottom end of the inverted T-shaped support 310, and replacing the horizontal sliding of the inverted T-shaped support 310 along the bottom end surface inside the water tank 1 with the rollers 311.
The upper ends of the first V-shaped supporting plate 32 and the second V-shaped supporting plate 35 are fixedly provided with a plurality of protruding blocks 37 with conical structures, and the protruding blocks 37 with conical structures are used for increasing static friction force contacted with the outer wall of the turbine cylinder, so that the turbine cylinder is prevented from swinging between the first V-shaped supporting plate 32 and the second V-shaped supporting plate 35.
The upper ends of the first V-shaped supporting plate 32 and the second V-shaped supporting plate 35 are vertically fixed with limit baffles 33 at the ends far away from each other, and the two limit baffles 33 are used for limiting the ends of the turbine cylinder, so that the turbine cylinder can be prevented from separating from the first V-shaped supporting plate 32 and the second V-shaped supporting plate 35.
In order to prevent the drawing block 27 from sliding down along the inside of the air cylinder 23, the outer wall of the push rod 24 is fixedly sleeved with a threaded sealing column 28 positioned at the upper end of the drawing block 27, the threaded sealing column 28 is rotationally inserted into the threaded hole through external threads, after the push rod 24 is lifted upwards to lift the drawing block 27 to generate negative pressure to extract air in the cylinder of the steam turbine, the air is temporarily stored in the air cylinder 23, then is inserted into the threaded hole at the top end of the air cylinder 23 through the threaded sealing column 28, the position of the push rod 24 is limited, the position of the drawing block 27 is also limited, and the air in the air cylinder 23 is prevented from being pushed into the cylinder of the steam turbine again.
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 (9)
1. The utility model provides an exhaust apparatus for hydrostatic test of steam turbine cylinder usefulness, includes water tank (1), supporting mechanism and row pressure mechanism, water tank (1) upper end is open structure, and inside filling has the water of experimental usefulness, its characterized in that: the supporting mechanism is arranged at the bottom end inside the water tank (1);
the supporting mechanism comprises a first supporting roller (38), a second supporting roller (317), a first V-shaped supporting plate (32) and a second V-shaped supporting plate (35), wherein an inverted T-shaped bracket (310) capable of rotatably supporting the first supporting roller (38) is rotatably arranged at the end part of the first supporting roller (38), two first supporting rods (31) are vertically arranged at the upper end of the outer wall of the first supporting roller (38), side walls at two sides of the first V-shaped supporting plate (32) are rotatably arranged between the top ends of the two first supporting rods (31) through connecting rods, a first torsion spring is arranged at the rotating position of the connecting rod of the first V-shaped supporting plate (32) and the first supporting rod (31), two second supporting rods (36) are vertically arranged at the upper end of the outer wall of the second supporting roller (317), two side walls of the second V-shaped supporting plate (35) are rotatably arranged between the top ends of the two second supporting rods (36) through connecting rods, and the connecting rods (35) and the second torsion spring (36) are rotatably arranged at the positions of the second V-shaped supporting plate (35);
the air exhaust mechanism comprises an air cylinder (23) which is arranged at the upper end of the water tank (1) in an adjustable mode, a threaded hole which is communicated with the inside of the air cylinder (23) is formed in the upper end of the air cylinder (23), a push rod (24) which extends to the inside of the air cylinder (23) is inserted in the threaded hole in a sliding mode, a drawing block (27) which is in sliding fit with the inner wall of the air cylinder (23) is arranged at the bottom end of the push rod (24) in a fixed mode, an air duct (25) is connected to the bottom end of the air cylinder (23), and a connecting cap (26) which is connected with an air outlet of a steam turbine cylinder is fixedly connected to the end portion of the air duct (25).
2. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder according to claim 1, wherein: the outer wall of the push rod (24) is fixedly sleeved with a threaded sealing column (2) positioned at the upper end of the drawing block (27), and the threaded sealing column (2) is rotationally inserted into the threaded hole through external threads.
3. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder according to claim 1, wherein: two inverted L-shaped brackets (21) are symmetrically and fixedly arranged on the outer wall of the air cylinder (23), a support block (22) capable of sliding along the upper end of the water tank (1) is fixedly arranged at the bottom end of the inverted L-shaped brackets (21), an inverted T-shaped sliding block is fixedly arranged at the bottom end of the support block (22), and an inverted T-shaped sliding groove (11) which is in sliding clamping connection with the inverted T-shaped sliding block is formed in the upper end of the water tank (1).
4. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder according to claim 1, wherein: and the upper ends of the first V-shaped supporting plate (32) and the second V-shaped supporting plate (35) are vertically and fixedly provided with limit baffles (33) at the ends far away from each other.
5. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder according to claim 1, wherein: l-shaped supporting frames (312) are fixedly arranged on side walls of one sides, far away from the second supporting rollers (317), of the inverted T-shaped supporting frames (310) on two sides, sleeves (313) are fixedly arranged at the end parts of the two L-shaped supporting frames (312), sleeve shafts (321) are rotatably inserted in the sleeves (313), worm screws (315) are fixedly arranged at the bottom ends of the sleeve shafts (321), and a turbine (39) matched with the worm screws (315) is fixedly sleeved on the outer wall of the first supporting roller (38).
6. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder as defined in claim 5, wherein: an annular rotating groove (320) is formed in the inner wall of the sleeve (313), and an annular block (3) which is rotationally clamped with the annular rotating groove (320) is fixedly sleeved on the outer wall of the sleeve shaft (321);
the sleeve shaft (321) and the worm (315) are provided with through holes which are in sliding connection with the limiting rod (34), the outer wall of the limiting rod (34) is symmetrically and fixedly provided with limiting sliding blocks (314), and the inner wall of the through holes is provided with limiting notches which are in sliding connection with the limiting sliding blocks (314).
7. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder as defined in claim 6, wherein: the utility model discloses a water tank, including gag lever post (34), gag lever post (34) bottom mounting is equipped with clamp plate (316), spring (318) between worm (315) and clamp plate (316) have been cup jointed to the outer wall of gag lever post (34), the bottom mounting of clamp plate (316) is equipped with fixture block (319), draw-in groove (12) with fixture block (319) joint are seted up to inside bottom surface of water tank (1).
8. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder according to claim 1, wherein: the two sides of the bottom end of the inverted T-shaped support (310) are respectively provided with a roller (311) capable of rolling along the bottom end surface inside the water tank (1).
9. An exhaust apparatus for hydrostatic testing of a gas turbine cylinder according to claim 1, wherein: the upper ends of the first V-shaped supporting plate (32) and the second V-shaped supporting plate (35) are fixedly provided with a plurality of protruding blocks (37) with conical structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524155.XA CN114858434B (en) | 2022-05-13 | 2022-05-13 | Exhaust device for hydrostatic test of steam turbine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524155.XA CN114858434B (en) | 2022-05-13 | 2022-05-13 | Exhaust device for hydrostatic test of steam turbine cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114858434A CN114858434A (en) | 2022-08-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203534778U (en) * | 2013-11-14 | 2014-04-09 | 北京铁科合力科技有限责任公司 | Cylinder cap air tightness testing machine |
| CN110146227A (en) * | 2019-06-25 | 2019-08-20 | 芜湖永裕汽车工业股份有限公司 | Engine cylinder cap air tightness detection equipment |
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| CN202433162U (en) * | 2011-12-09 | 2012-09-12 | 重庆普什机械有限责任公司 | Air cylinder unit water pressure test device |
| CN102606439B (en) * | 2012-03-08 | 2013-05-01 | 太原科技大学 | Boosting water injection pump |
| CN203100995U (en) * | 2012-12-25 | 2013-07-31 | 重庆普什机械有限责任公司 | Hydrostatic test fixture for cylinder units |
| CN105842078A (en) * | 2016-06-12 | 2016-08-10 | 安庆中船动力配套有限公司 | Hydrostatic test platform for diesel engine cylinder head |
| CN207215401U (en) * | 2017-08-16 | 2018-04-10 | 广东韶钢松山股份有限公司 | A kind of water test unit for being used to judge GK1C type locomotive cylinder jacket outer wall leaks |
| CN211061342U (en) * | 2019-11-28 | 2020-07-21 | 襄阳襄车铁达缸套铸业有限公司 | Cylinder jacket water pressure test device |
| CN216081934U (en) * | 2021-08-30 | 2022-03-18 | 襄阳襄车铁达缸套铸业有限公司 | Cylinder jacket water pressure test equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203534778U (en) * | 2013-11-14 | 2014-04-09 | 北京铁科合力科技有限责任公司 | Cylinder cap air tightness testing machine |
| CN110146227A (en) * | 2019-06-25 | 2019-08-20 | 芜湖永裕汽车工业股份有限公司 | Engine cylinder cap air tightness detection equipment |
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