CN113532752A - Special leakage detection device for steam turbine pipeline convenient to use - Google Patents
Special leakage detection device for steam turbine pipeline convenient to use Download PDFInfo
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- CN113532752A CN113532752A CN202110584942.9A CN202110584942A CN113532752A CN 113532752 A CN113532752 A CN 113532752A CN 202110584942 A CN202110584942 A CN 202110584942A CN 113532752 A CN113532752 A CN 113532752A
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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Abstract
The invention discloses a convenient-to-use special leakage detection device for a steam turbine pipeline, which comprises a base, a movable plate, a sliding box, a disc, fixed heads and humidity sensors, wherein the movable plate is movably connected to the top end of the base through a lifting assembly, the sliding box is connected to the top end of the movable plate through the sliding assembly, the disc is fixedly arranged on the front side of the sliding box through a fastener, a plurality of the fixed heads are fixedly arranged on the front side of the disc, a plurality of the humidity sensors are arranged on the front sides of the fixed heads, a controller is arranged on the top end of the movable plate, and a position correction assembly is arranged in an inner cavity of the sliding box. Leading to the problem of wasting a lot of time when checking leakage.
Description
Technical Field
The invention relates to the technical field of pipeline leakage detection devices, in particular to a steam turbine pipeline special leakage detection device convenient to use.
Background
The steam turbine of power plant need form a complete set and use the condenser, and the heat exchange tube leakage phenomenon generally appears after the condenser is through many years's operation, will be with steam side water injection during the outage maintenance, and the water side is checked and is leaked as the periodic maintenance project.
In view of the above, the present disclosure provides a condenser pipeline detection device, which needs to be inserted into one end of each pipeline when the detection device in the prior art is used, and needs to waste a lot of time for installation, so that a lot of time needs to be wasted in leakage detection.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a special leakage detection device for a steam turbine pipeline, which is convenient to use and solves some problems of the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a special leak hunting device of steam turbine pipeline who facilitates use, includes base, lifter plate, slip case, disc, fixed head and humidity transducer, the lifter plate passes through lifting unit swing joint on the top of base, the slip case passes through the top that slip subassembly connects at the movable plate, the disc passes through fastener fixed mounting in the front side of slip case, a plurality of fixed head fixed mounting is in the front side of disc, a plurality of humidity transducer sets up the front side at the fixed head of a plurality of, the top of lifter plate is provided with the controller, the inner chamber of slip case is provided with the position correction subassembly.
Preferably, the lifting assembly comprises a baffle, fixed rods, moving blocks, connecting rods, connecting plates, hydraulic cylinders, first connecting rods and second connecting rods, four pairs of the baffle plates are respectively and fixedly installed at the top end of the base and the bottom ends of the lifting plates, four fixed rods are respectively and fixedly installed at the inner sides of the four pairs of the baffle plates, four moving blocks are respectively and slidably sleeved on the outer walls of the four fixed rods, the connecting rods are fixedly installed on the outer walls of the moving blocks, the connecting plates are fixedly installed on the outer walls of the connecting rods, two hydraulic cylinders are both fixedly installed at the top end of the base, the output ends of the two hydraulic cylinders are fixedly connected with the connecting plates, the bottom ends of the two first connecting rods are respectively and rotatably connected to the top ends of the two moving blocks located above through pin shafts, the bottom ends of the two second connecting rods are respectively and rotatably connected to the top ends of the two moving blocks located below through pin shafts, and the top ends are respectively and rotatably connected to the bottom ends of the moving plates through pin shafts.
Preferably, the sliding assembly comprises a fixed plate, guide rails and a movable plate, the fixed plate is respectively and fixedly arranged on the front side and the rear side of the top end of the lifting plate, the guide rails are respectively and fixedly arranged on the inner sides of the two fixed plates, the movable plate is slidably sleeved on the outer walls of the two guide rails, and the top end of the movable plate is fixedly connected with the sliding box.
Preferably, the position correction assembly comprises a motor, a slide way, a screw rod, a guide rod, a slide block, a connecting column and a clamping plate, the motor is fixedly arranged on the left side of the outer wall of the sliding box, the output end extends to the inner cavity of the sliding box, the slideway is arranged at the front side of the sliding box, the right end of the screw rod is rotationally connected to the right side of the inner cavity of the sliding box through a bearing, the left end of the sliding box is connected with the output end of the motor in a locking way through a coupler, the two guide rods are respectively and fixedly arranged at the front side and the rear side of the inner cavity of the sliding box, the two sliding blocks are respectively screwed at the left side and the right side of the outer wall of the screw rod, the two sliding blocks are respectively sleeved on the left side and the right side of the outer wall of the two guide rods in a sliding way, the rear ends of the connecting columns are respectively fixedly arranged on the front sides of the two sliding blocks, and the front end runs through the inner chamber of slide and extends to the front side of slip case, two splint fixed mounting is respectively at the front end of two spliced poles.
Preferably, the four corners of the bottom end of the base are respectively and fixedly provided with universal wheels, and the rear side of the top end of the base is fixedly provided with a handrail.
Preferably, the threads on the left side and the right side of the outer wall of the screw rod are arranged in opposite directions.
Preferably, the outer wall of the clamping plate is arc-shaped.
Preferably, the outer wall of the clamping plate is provided with a protective pad.
The invention provides a leakage detection device special for a steam turbine pipeline, which is convenient to use. The method has the following beneficial effects: the convenient-to-use leakage detection device special for the steam turbine pipeline drives the connecting plate and the connecting rod box to slide on the rear side through the hydraulic cylinder, and further enables the moving block to slide on the rear side along the guide rod, so that the lifting plate ascends under the supporting action of the first connecting rod and the second connecting rod, the disc is aligned to the heat exchange tube of the steam condenser, the sliding box is pushed, the steam condenser is located on the inner sides of the two clamping plates, the motor is started to drive the screw rod to rotate, under the action of the screw thread rotating force on the outer wall of the screw rod, the two sliding blocks can simultaneously slide on the inner sides under the limiting action of the guide rod when the screw rod rotates, and further the two connecting rods drive the clamping plates to simultaneously slide on the inner sides along the slide ways, so that the inner sides of the two clamping plates are in close contact with the two ends of the steam condenser, under the shape characteristics of the two clamping plates, when the two clamping plates are simultaneously in contact with the two ends of the steam condenser, can make the disc aim at the heat exchange tube of condenser just in time, thereby make the device's position obtain the regulation, the regulation of position has been realized, at this moment, control motor reversal, make two splint break away from the contact with the condenser, promote the slip case, under the mutually supporting between guide rail and movable plate, can make the slip case drive the disc slide to the front side, and then make the inner chamber of fixed head inserted the heat exchange tube, carry the humidity condition in with the pipe heat pipe for the controller through humidity transducer, display condition through the controller, judge that concrete pipe heat pipe appears leaking, the quick purpose of looking for the leakage is realized to all pipe heat pipes, a large amount of time has been practiced thrift.
Drawings
Fig. 1 is a schematic structural view of a convenient leakage detecting device for a turbine pipeline according to the present invention.
Fig. 2 is a schematic diagram of a right-side view structure of the leakage detecting device special for the steam turbine pipeline, which is convenient to use.
Fig. 3 is a front sectional view of a sliding box of the leakage detecting device special for the steam turbine pipeline, which is convenient to use.
Fig. 4 is a top view of a movable plate of a leakage inspection device dedicated to a steam turbine pipeline according to the present invention.
In the figure: 1. the device comprises a base, 2, a lifting plate, 3, a sliding box, 4, a disc, 5, a fixed head, 6, a humidity sensor, 7, a baffle, 8, a fixed rod, 9, a moving block, 10, a connecting rod, 11, a connecting plate, 12, a hydraulic cylinder, 13, a first connecting rod, 14, a second connecting rod, 15, a fixed plate, 16, a guide rail, 17, a moving plate, 18, a motor, 19, a slide way, 20, a screw rod, 21, a guide rod, 22, a sliding block, 23, a connecting column, 24, a clamping plate, 25 and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below in detail and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained. (the details of the connection and operation sequence of the components and parts in this case should be referred to the following working principle, the detailed connection means thereof, the following working principle and process are generally described in the following, which are well known in the art.)
As shown in fig. 1-4, a special leak detection device of steam turbine pipeline who facilitates use, including base 1, movable plate 172, slide box 3, disc 4, fixed head 5 and humidity transducer 6, lifter plate 2 passes through lifting unit swing joint on the top of base 1, slide box 3 passes through the sliding unit and connects the top at lifter plate 2, disc 4 passes through fastener fixed mounting in the front side of slide box 3, a plurality of fixed head 5 fixed mounting is in the front side of disc 4, a plurality of humidity transducer 6 sets up the front side at a plurality of fixed head 5, the top of lifter plate 2 is provided with controller 25, the inner chamber of slide box 3 is provided with the position correction subassembly.
As a preferable scheme, further, the lifting assembly comprises a baffle 7, fixed rods 8, moving blocks 9, connecting rods 10, connecting plates 11, hydraulic cylinders 12, first connecting rods 13 and second connecting rods 14, wherein four pairs of baffles 7 are respectively and fixedly installed at the top end of the base 1 and the bottom end of the lifting plate 2, four fixed rods 8 are respectively and fixedly installed at the inner sides of the four pairs of baffles 7, four moving blocks 9 are respectively and slidably sleeved on the outer walls of the four fixed rods 8, the connecting rods 10 are fixedly installed on the outer walls of the moving blocks 9, the connecting plates 11 are fixedly installed on the outer walls of the connecting rods 10, two hydraulic cylinders 12 are both fixedly installed at the top end of the base 1, the output ends of the two first connecting rods 13 are respectively and rotatably connected to the top end of the base 1 through pin shafts, and the top ends of the two first connecting rods 13 are respectively and rotatably connected to the bottom ends of the two moving blocks 9 located above through pin shafts, the bottom ends of the two second connecting rods 14 are respectively and rotatably connected to the top ends of the two moving blocks 9 located below through pin shafts, and the top ends are respectively and rotatably connected to the bottom end of the lifting plate 2 through pin shafts. The optimization benefits are: the hydraulic cylinder 12 drives the connecting plate 11 and the connecting rod 10 to slide on the rear side of the box, and then the moving block 9 can slide on the rear side along the guide rod 21, so that the lifting plate 2 rises under the supporting action of the first connecting rod 13 and the second connecting rod 14, the disc 4 is aligned to the heat exchange tube of the condenser, the sliding box 3 is pushed, and the condenser is located on the inner sides of the two clamping plates 24.
As preferred scheme, still further, the sliding assembly includes fixed plate 15, guide rail 16 and movable plate 172, and two fixed plates 15 are fixed mounting respectively in both sides around the top of lifter plate 2, and two equal fixed mounting of guide rail 16 are in the inboard of two fixed plates 15, and movable plate 17 slidable cup joints the outer wall at two guide rails 16, and top and slip case 3 fixed connection, and the optimization benefit is: by pushing the sliding box 3, the sliding box 3 can drive the disc 4 to slide to the front side under the mutual cooperation between the guide rail 16 and the moving plate 172, so that the fixed head 5 is inserted into the inner cavity of the heat exchange tube.
As a preferable scheme, further, the position correcting assembly comprises a motor 18, a slide way 19, a screw rod 20, guide rods 21, sliders 22, connecting columns 23 and a clamping plate 24, the motor 18 is fixedly installed on the left side of the outer wall of the sliding box 3, the output end of the motor extends to the inner cavity of the sliding box 3, the slide way 19 is arranged on the front side of the sliding box 3, the right end of the screw rod 20 is rotatably connected to the right side of the inner cavity of the sliding box 3 through a bearing, the left end of the screw rod 20 is connected to the output end of the motor 18 through a coupling in a locking manner, the two guide rods 21 are respectively and fixedly installed on the front and rear sides of the inner cavity of the sliding box 3, the two sliders 22 are respectively and spirally connected to the left and right sides of the outer wall of the screw rod 20, the two sliders 22 are respectively and slidably sleeved on the left and right sides of the outer wall of the two guide rods 21, the rear ends of the two connecting columns 23 are respectively and fixedly installed on the front sides of the two sliders 22, and the front ends of the inner cavity of the slide way 19 extends to the front side of the sliding box 3, two splint 24 are fixed mounting respectively in the front end of two spliced poles 23, and the optimization benefit is: drive screw rod 20 through motor 18 and rotate, under the effect of screw rod 20 outer wall screw thread rotating force, when screw rod 20 is rotatory, can make two sliders 22 slide to the inboard simultaneously under the limiting displacement of guide arm 21, and then make two connecting rods 10 drive splint 24 slide to the inboard simultaneously along slide 19, make the inboard both ends in close contact with of two splint 24 and condenser, under two splint 24's shape characteristic, when two splint 24 simultaneously with the both ends contact of condenser, can make disc 4 just in time aim at the heat exchange tube of condenser, thereby make the device's position obtain adjusting.
As preferred scheme, still further, base 1's bottom four corners respectively fixed mounting have the universal wheel, and base 1's top rear side fixed mounting has the handrail, optimizes the benefit and is: through the arrangement of the universal wheels and the armrests, the device can be conveniently moved.
As a preferred scheme, furthermore, the threads on the left and right sides of the outer wall of the screw rod 20 are arranged in opposite directions, and the optimization benefits are as follows: when the screw 20 rotates, the two sliding blocks 22 are driven to simultaneously slide inwards under the limiting effect of the guide rod 21, and then the connecting rod 10 is connected to drive the clamping plate 24 to adjust the position of the device, so that the position of the disc 4 is opposite to the heat exchanger.
Preferably, the outer wall of the clamping plate 24 is arc-shaped, and the optimization benefits are as follows: the contact area between the clamping plate 24 and the outer wall of the condenser can be increased, so that the position adjustment is more accurate, and the stability of equipment is improved.
Preferably, further, the outer wall of the clamping plate 24 is provided with a protective pad, and the optimization benefits are as follows: the phenomenon that the outer wall paint layer of the condenser is scratched by the foreign currency of the clamping plate 24 to cause the condenser to rust is prevented.
The working principle is as follows: when the device is used, firstly, the inner cavity of the heat exchange tube is kept dry, at the moment, the device is pushed to one end of the heat exchange tube, the hydraulic cylinder 12 is started, the hydraulic cylinder 12 drives the connecting plate 11 and the connecting rod 10 to slide on the rear side of the box, and further the moving block 9 can slide to the rear side along the guide rod 21, so that the lifting plate 2 ascends under the supporting action of the first connecting rod 13 and the second connecting rod 14, the disc 4 is aligned with the heat exchange tube of the condenser, the sliding box 3 is pushed, the condenser is positioned at the inner sides of the two clamping plates 24, at the moment, the motor 18 is started, the motor 18 drives the screw rod 20 to rotate, under the action of the rotation force of the thread on the outer wall of the screw rod 20, the two sliding blocks 22 can simultaneously slide to the inner side under the limiting action of the guide rod 21, and further the two connecting rods 10 drive the clamping plates 24 to simultaneously slide to the inner side along the slide to the inner sides along the slide ways 19, so that the inner sides of the two clamping plates 24 are in close contact with the two ends of the condenser, under the shape characteristics of the two clamping plates 24, when the two clamping plates 24 are contacted with the two ends of the condenser at the same time, the disc 4 can be just aligned to the heat exchange tubes of the condenser, so that the position of the device can be adjusted, the position adjustment is realized, at the moment, the control motor 18 is reversely rotated, the two clamping plates 24 are separated from the contact with the condenser, the sliding box 3 is pushed, under the mutual matching between the guide rail 16 and the moving plate 172, the sliding box 3 can drive the disc 4 to slide towards the front side, so that the fixed head 5 is inserted into the inner cavity of the heat exchange tubes, meanwhile, the water is supplied to the condenser, the dryness in the heat exchange tubes is kept, when the heat exchange tubes are leaked, the water in the condenser can enter the inner cavities of the heat exchange tubes, the humidity condition in the heat exchange tubes is conveyed to the controller 25 in real time through the humidity sensor 6, and the specific condition of the heat exchange tubes is determined through the data displayed by the controller 25, the purpose of quickly detecting leakage of all the pipe heat pipes is achieved, and a large amount of time is saved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a special leak hunting device of steam turbine pipeline who facilitates use, includes base (1), lifter plate (2), slip case (3), disc (4), fixed head (5) and humidity transducer (6), its characterized in that, lifter plate (2) are through the top of lifting unit swing joint at base (1), slip case (3) are connected on the top of lifter plate (2) through sliding assembly, disc (4) are through fastener fixed mounting in the front side of slip case (3), a plurality of fixed head (5) fixed mounting is in the front side of disc (4), a plurality of humidity transducer (6) set up the front side at a plurality of fixed head (5), the top of lifter plate (2) is provided with controller (25), the inner chamber of slip case (3) is provided with the position correction subassembly.
2. The convenient-to-use special leak detection device for the steam turbine pipeline as claimed in claim 1, wherein the lifting assembly comprises a baffle (7), fixed rods (8), moving blocks (9), connecting rods (10), connecting plates (11), hydraulic cylinders (12), a first connecting rod (13) and a second connecting rod (14), four pairs of baffles (7) are respectively and fixedly installed at the top end of the base (1) and the bottom end of the lifting plate (2), four fixed rods (8) are respectively and fixedly installed at the inner sides of the four pairs of baffles (7), four moving blocks (9) are respectively and slidably sleeved on the outer walls of the four fixed rods (8), the connecting rods (10) are fixedly installed on the outer walls of the moving blocks (9), the connecting plates (11) are fixedly installed on the outer walls of the connecting rods (10), and two hydraulic cylinders (12) are both fixedly installed at the top end of the base (1), the output ends of the two first connecting rods (13) are fixedly connected with the connecting plate (11), the bottom ends of the two first connecting rods (13) are rotatably connected to the top end of the base (1) through pin shafts, the top ends of the two first connecting rods are respectively connected to the bottom ends of the two moving blocks (9) located above through pin shafts, the bottom ends of the two second connecting rods (14) are respectively rotatably connected to the top ends of the two moving blocks (9) located below through pin shafts, and the top ends of the two second connecting rods are respectively rotatably connected to the bottom ends of the lifting plate (2) through pin shafts.
3. The convenient-to-use special leakage detection device for the steam turbine pipeline according to claim 1, wherein the sliding assembly comprises two fixed plates (15), two guide rails (16) and a movable plate (17), the two fixed plates (15) are respectively and fixedly installed at the front side and the rear side of the top end of the lifting plate (2), the two guide rails (16) are respectively and fixedly installed at the inner sides of the two fixed plates (15), the movable plate (17) is slidably sleeved on the outer walls of the two guide rails (16), and the top end of the movable plate is fixedly connected with the sliding box (3).
4. The special leakage detection device for the steam turbine pipeline convenient to use according to claim 1, wherein the position correction group price comprises a motor (18), a slide way (19), a screw rod (20), guide rods (21), slide blocks (22), a connecting column (23) and a clamping plate (24), the motor (18) is fixedly installed on the left side of the outer wall of the sliding box (3), the output end of the motor extends to the inner cavity of the sliding box (3), the slide way (19) is arranged on the front side of the sliding box (3), the right end of the screw rod (20) is rotatably connected to the right side of the inner cavity of the sliding box (3) through a bearing, the left end of the screw rod is connected to the output end of the motor (18) through a coupling in a locking manner, the two guide rods (21) are respectively and fixedly installed on the front side and the rear side of the inner cavity of the sliding box (3), and the two slide blocks (22) are respectively screwed on the left side and the right side of the outer wall of the screw rod (20), and two the slider (22) cup joints the outer wall left and right sides at two guide arms (21) slidable respectively, two the rear end of spliced pole (23) is fixed mounting respectively in the front side of two sliders (22), and the front end runs through the inner chamber of slide (19) and extends to the front side of slip case (3), two splint (24) are fixed mounting respectively in the front end of two spliced poles (23).
5. The convenient-to-use special leakage detection device for the steam turbine pipeline as claimed in claim 1, wherein four corners of the bottom end of the base (1) are respectively and fixedly provided with universal wheels, and the rear side of the top end of the base (1) is fixedly provided with a handrail.
6. The convenient-to-use special leakage detection device for the steam turbine pipeline, as claimed in claim 4, wherein the threads on the left side and the right side of the outer wall of the screw rod (20) are arranged in opposite directions.
7. The easy-to-use leakage detecting device special for steam turbine pipelines according to claim 4, wherein the outer wall of the clamping plate (24) is arc-shaped.
8. The special leakage inspection device for the steam turbine pipeline convenient to use is characterized in that the outer wall of the clamping plate (24) is provided with a protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584942.9A CN113532752A (en) | 2021-05-27 | 2021-05-27 | Special leakage detection device for steam turbine pipeline convenient to use |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584942.9A CN113532752A (en) | 2021-05-27 | 2021-05-27 | Special leakage detection device for steam turbine pipeline convenient to use |
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