CN215414204U - Steam turbine negative pressure system gas tightness detection device of thermal power plant - Google Patents
Steam turbine negative pressure system gas tightness detection device of thermal power plant Download PDFInfo
- Publication number
- CN215414204U CN215414204U CN202121553412.XU CN202121553412U CN215414204U CN 215414204 U CN215414204 U CN 215414204U CN 202121553412 U CN202121553412 U CN 202121553412U CN 215414204 U CN215414204 U CN 215414204U
- Authority
- CN
- China
- Prior art keywords
- plate
- detection device
- tightness detection
- steam turbine
- thermal power
- 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
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air tightness detection device of a steam turbine negative pressure system of a thermal power plant, which comprises an air tightness detection device main body, wherein a pressure regulating valve is fixed on the surface of the air tightness detection device main body; through the protection machanism who sets up, wherein protection machanism includes roof, activity storehouse, first spout, first slider, fixed plate, accessory plate, bull stick, cover pole board and guard plate, can the gas tightness detection device main part outdoor use or remove the in-process, can form the protection through the guard plate, effectively avoid display screen and air-vent valve to be leaded to damaging by unexpected striking to and the drawback that the button on gas tightness detection device main part surface was touched by accident.
Description
Technical Field
The utility model relates to the technical field of airtightness detection, in particular to an airtightness detection device for a steam turbine negative pressure system of a thermal power plant.
Background
In the actual operation process of thermal power factory, the equipment that it relates is comparatively complicated, wherein the steam turbine is as a thermal power generating equipment that is more commonly used at present stage, and the steam turbine is also called steam turbine engine, is a rotation type steam power device, and high temperature high pressure steam passes fixed nozzle and becomes the air current of accelerating back injection to the blade, makes the rotor that is equipped with the blade row rotatory, and the external acting simultaneously, the low not only has great influence to unit economy nature of steam turbine operation vacuum, also is a threat to equipment safe operation, so need check out test set to detect steam turbine vacuum system tightness.
When the airtightness of the steam turbine negative pressure system of the thermal power plant is detected, usually, the air pump is opened through the switch, the output end of the air pump inputs air into the steam turbine body, the air pump is closed through the switch until a certain pressure intensity is reached, the one-way valve is also closed after the air pump is closed to ensure that the air cannot leak from the one-way valve, then whether the air pressure meter changes or not is waited to see, if the air pressure meter does not change, the airtightness is not problematic, but the existing steam turbine negative pressure system airtightness detection device of the thermal power plant still has some defects, the traditional steam turbine negative pressure system airtightness detection device of the thermal power plant is generally provided with parts such as a display screen, a pressure regulating valve, a pressure meter and the like, which are exposed outside, and are easily touched accidentally during outdoor use or moving, so that the parts are damaged, the normal use of the equipment is affected, and the defect that the instrument is abnormally opened due to the touch button exists, therefore, the air tightness detection device for the steam turbine negative pressure system of the thermal power plant is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an air tightness detection device of a steam turbine negative pressure system of a thermal power plant, and the air tightness detection device has the advantages that through the arrangement of the protection mechanism, the protection mechanism comprises a top plate, a movable bin, a first sliding groove, a first sliding block, a fixed plate, an auxiliary plate, a rotating rod, a rod sleeving plate and a protection plate, the protection can be formed through the protection plate when the air tightness detection device main body is used outdoors or moved, and the defects that a display screen and a pressure regulating valve are damaged due to accidental impact and a button on the surface of the air tightness detection device main body is accidentally touched are effectively avoided.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a steam turbine negative pressure system gas tightness detection device of thermal power plant, includes gas tightness detection device main part, the fixed surface of gas tightness detection device main part has the air-vent valve, the front end surface of gas tightness detection device main part is provided with the display screen, gas tightness detection device main part top is provided with protection machanism, protection machanism's top is provided with portable mechanism.
As a preferred technical solution of the present invention, the protection mechanism includes a top plate fixed on the top end of the air tightness detection device main body and having an area equal to that of the top end of the air tightness detection device main body, a movable bin provided in the top plate and extending to an inner wall of the rear end of the top plate, a first chute provided at an upper end of an inner wall of the movable bin, a first slide block slidably connected to the first chute, a fixed plate fixed to the first slide block, auxiliary plates fixed to the fixed plate in bilateral symmetry, a rotating rod fixed between the two sets of auxiliary plates, a loop rod plate sleeved on the rotating rod, and a protection plate fixed to the loop rod plate.
As a preferable technical scheme of the utility model, two groups of the fixing plates are symmetrically arranged in the protection plate from side to side, and the length of each fixing plate is greater than the thickness of a pressure regulating valve, a display screen and a button arranged on the air tightness detection device main body.
As a preferable technical solution of the present invention, a lock washer is disposed between the socket rod plate and the rotating rod, and the socket rod plate has a length greater than a height of the auxiliary plate.
As a preferred technical scheme of the utility model, the protection plate is an acrylic transparent plate, and the sum of the lengths of the protection plate and the fixing plate is six fifths of the length of the movable bin.
As a preferred technical scheme of the utility model, the portable mechanism comprises a slot arranged inside the top end of the top plate, a second chute arranged on the inner wall of the slot, a second slide block connected with the second chute in a sliding manner, a movable block fixed on the second slide block, a spring arranged in the slot, a limiting rod fixed on the movable block, a handle fixed on the outer wall of the top end of the top plate, a limiting groove arranged on the inner wall of the bottom end of the handle and a pull rod fixed at the outer end of the limiting rod.
As a preferred technical scheme of the utility model, one end of the spring is connected with the outer wall of the movable block, and the other end of the spring is connected with the inner wall of the slot.
As a preferred technical scheme of the present invention, the slot is symmetrically provided with two sets along the handle, each set of the second sliding grooves is symmetrically provided with two sets in front and back of the inner wall of the slot, and the length of each set of the second sliding grooves is greater than that of the limiting groove.
As a preferable technical scheme of the utility model, the pull rod is annular, and the outer wall of the pull rod is provided with grains.
Compared with the prior art, the utility model can achieve the following beneficial effects:
1. through the arrangement of the protection mechanism, wherein the protection mechanism comprises a top plate, a movable bin, a first chute, a first slide block, a fixed plate, an auxiliary plate, a rotating rod, a rod sleeving plate and a protection plate, a worker can pull the protection plate outwards, so that the protection plate drives the fixing plate to slide outwards in the first sliding groove through the first sliding block until the auxiliary plate moves out of the movable bin, and at the moment, the protection plate rotates to cover the display screen and the front end of the pressure regulating valve for protection, meanwhile, when the display screen and the pressure regulating valve are needed to be used, only the protection plate needs to be accommodated in the movable bin for placement, and the air tightness detection device can be used for detecting the air tightness of the device body outdoors or in the moving process, can form the protection through the guard plate, effectively avoid display screen and air-vent valve to be leaded to damaging by unexpected striking to and the drawback that the button on gas tightness detection device main part surface was touched by accident.
2. Through the arranged portable mechanism, wherein the portable mechanism comprises the groove, the second chute, the second slide block, the movable block, the spring, the limiting rod, the limiting groove, the handle and the pull rod, after the handle is damaged due to long-term use of the handle, a worker only needs to pull the pull rod outwards to drive the limiting rod to slide outwards in the groove through the movable block, the movable block slides outwards in the second chute through the two groups of second slide blocks, the spring is extruded to deform in the sliding process, the two groups of limiting rods are just driven to be separated from the limiting groove in the handle after the movable block moves to the outermost end of the groove, the worker can detach the handle from the top plate at the moment and then fix the handle with a new one, the worker can detach and replace the handle conveniently and quickly through the device, the replacement can be carried out anytime and anywhere without finding tools for detachment, thereby achieving the purpose of saving time.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the active state of the first step of the structure of the present invention;
FIG. 3 is a diagram illustrating the active state of a second step of the structure of the present invention;
FIG. 4 is a schematic bottom perspective view of the present invention;
FIG. 5 is a perspective view of a portion of the protection mechanism of the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 7 is a side cross-sectional view of a portion of the present invention;
FIG. 8 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 9 is a schematic sectional front view of a portion of the present invention;
FIG. 10 is an enlarged view of the structure of FIG. 9 at C according to the present invention;
wherein: 1. a gas tightness detection device main body; 2. a pressure regulating valve; 3. a display screen; 4. a protection mechanism; 41. a top plate; 42. a movable bin; 43. a first chute; 44. a first slider; 45. a fixing plate; 46. an auxiliary plate; 47. a rotating rod; 48. a rod sleeving plate; 49. a protection plate; 5. a portable mechanism; 51. grooving; 52. a second chute; 53. a second slider; 54. a movable block; 55. a spring; 56. a limiting rod; 57. a limiting groove; 58. a handle; 59. a pull rod.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in figures 1 and 2, the airtightness detection device for the negative pressure system of the steam turbine of the thermal power plant comprises an airtightness detection device main body 1, a pressure regulating valve 2 is fixed on the surface of the airtightness detection device main body 1, a display screen 3 is arranged on the front end surface of the airtightness detection device main body 1, a protection mechanism 4 is arranged on the top end of the airtightness detection device main body 1, a portable mechanism 5 is arranged on the top end of the protection mechanism 4, the protection mechanism 4 comprises a top plate 41 which is fixed on the top end of the airtightness detection device main body 1 and has the same area as that of the top end of the airtightness detection device main body 1, a movable bin 42 which is arranged in the top plate 41 and extends to the inner wall of the rear end of the top plate 41, a first sliding chute 43 which is arranged at the upper end of the inner wall of the movable bin 42, a first sliding block 44 which is slidably connected with the first sliding chute 43, a fixing plate 45 which is fixed with the first sliding block 44, auxiliary plates 46 which are bilaterally symmetrically fixed on the fixing plate 45, A rotating rod 47 fixed between the two groups of auxiliary plates 46, a sleeve rod plate 48 sleeved on the rotating rod 47, and a protective plate 49 fixed with the sleeve rod plate 48;
as shown in fig. 5-7, in which the protection mechanism 4 includes a top plate 41, a movable bin 42, a first sliding slot 43, a first sliding block 44, a fixed plate 45, an auxiliary plate 46, a rotating rod 47, a loop bar plate 48 and a protection plate 49, a worker can pull the protection plate 49 outwards to make the protection plate 49 drive the fixed plate 45 to slide outwards in the first sliding slot 43 through the first sliding block 44, as shown in fig. 1-5, two sets of the fixed plates 45 are symmetrically arranged in the protection plate 49, by this design, the protection plate 49 can be moved stably through the two sets of the fixed plates 45, the length of the fixed plate 45 is greater than the thickness of the pressure regulating valve 2, the display screen 3 and the buttons arranged on the air tightness detecting device main body 1, by this design, after the fixed plate 45 moves out of the movable bin 42, the protection plate 49 drives the loop bar plate 48 to rotate ninety degrees after the rotating rod 47, the rear end surface of the protection plate 49 is in front of the pressure regulating valve 2 and the display screen 3, the pressure regulating valve 2 and the display screen 3 cannot obstruct the moving range of the protection plate 49 until the auxiliary plate 46 moves out of the movable bin 42, at the moment, the protection plate 49 rotates to cover the front end of the display screen 3 and the pressure regulating valve 2 for protection, a lock washer is arranged between the loop bar plate 48 and the rotating rod 47, through the design, the double effects of locking and tightening are achieved by utilizing the tension between the two washers, so that the protection plate 49 drives the loop bar plate 48 to rotate to any position on the rotating rod 47, the static fixing effect can be formed, the length of the loop bar plate 48 is greater than the height of the auxiliary plate 46, and through the design, the auxiliary plate 46 cannot obstruct the rotating path of the protection plate 49;
when the display screen 3 and the pressure regulating valve 2 need to be used simultaneously, only the protection plate 49 needs to be accommodated in the movable bin 42 for placement, as shown in figure 5, the protection plate 49 is an acrylic transparent plate, through the design, a worker can observe the pressure regulating valve 2 and the display screen 3 through the protection plate 49 and can also protect the pressure regulating valve 2 and the display screen 3, the sum of the lengths of the protection plate 49 and the fixing plate 45 is six fifths of the length of the movable bin 42, through the design, only one part of the protection plate 49 is leaked after being placed in the movable bin 42, the normal use of the air tightness detection device main body 1 is not affected, meanwhile, the worker can move the protection plate 49 out by pulling the protection plate 49, and through the air tightness detection device main body 1 can form protection through the protection plate 49 in the outdoor use or moving process, the defects that the display screen 3 and the pressure regulating valve 2 are damaged due to accidental impact and the buttons on the surface of the air tightness detection device body 1 are accidentally touched are effectively avoided.
As shown in fig. 7-10, the portable mechanism 5 includes a slot 51 opened inside the top end of the top plate 41, a second sliding slot 52 opened inside the inner wall of the slot 51, a second sliding block 53 slidably connected with the second sliding slot 52, a movable block 54 fixed on the second sliding block 53, a spring 55 arranged in the slot 51, a limit rod 56 fixed on the movable block 54, a handle 58 fixed on the outer wall of the top end of the top plate 41, a limit groove 57 opened on the inner wall of the bottom end of the handle 58, and a pull rod 59 fixed on the outer end of the limit rod 56;
after the handle 58 is used for a long time and the handle is damaged, a worker only needs to pull the pull rod 59 outwards to enable the pull rod 59 to drive the limiting rod 56 to slide outwards in the open slot 51 through the movable block 54, the movable block 54 slides outwards in the second sliding slot 52 through the two groups of second sliding blocks 53, the extrusion spring 55 deforms in the sliding process, one end of the spring 55 is connected with the outer wall of the movable block 54, the other end of the spring 55 is connected with the inner wall of the open slot 51, after the movable block 54 moves to the outermost end of the open slot 51, the open slot 51 is symmetrically provided with two groups along the handle 58, the second sliding slots 52 of each group are symmetrically provided with two groups in the front and back of the inner wall of the open slot 51, the length of each group of second sliding slots 52 is larger than that of the limiting slot 57, through the design, after the limiting rod 56 moves to the outer end of the open slot 51 through the movable block 54, the two groups of limiting rods 56 can be driven to be completely separated from the limiting slot 57, and the purpose of releasing the clamping is achieved, the two groups of limiting rods 56 are arranged, the two groups of limiting grooves 57 are correspondingly matched with the limiting rods 56 in the handle 58, the two groups of limiting rods 56 are just driven to be separated from the limiting grooves 57 in the handle 58, and then the handle 58 can be detached and separated from the top plate 41 by workers and then replaced with a new handle 58 for fixing;
according to fig. 8, the pull rod 59 is set to be in a circular ring shape, the outer wall of the pull rod 59 is provided with grains, and through the design, the limiting rod 56 can be easily driven by the worker through pulling the pull rod 59 to move, the worker can conveniently and quickly detach and replace the handle 58 through the device, the replacement can be carried out anytime and anywhere through the worker, a tool does not need to be found for detachment, and the purpose of saving time is achieved.
When the airtightness of the steam turbine negative pressure system of the thermal power plant is detected, the air pump is usually opened through the switch, the output end of the air pump inputs air into the steam turbine body, the air pump is closed through the switch until certain pressure is reached, the check valve is also closed after the air pump is closed, the check valve is ensured not to leak air, then whether the barometer changes or not is waited to be seen, and if the airtightness does not have a problem, the check valve is explained. If the change, can carry out certain maintenance to steam turbine negative pressure system.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a steam turbine negative pressure system gas tightness detection device of thermal power plant, includes gas tightness detection device main part (1), its characterized in that: the air tightness detection device is characterized in that a pressure regulating valve (2) is fixed on the surface of the air tightness detection device body (1), a display screen (3) is arranged on the surface of the front end of the air tightness detection device body (1), a protection mechanism (4) is arranged at the top end of the air tightness detection device body (1), and a portable mechanism (5) is arranged at the top end of the protection mechanism (4).
2. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 1, characterized in that: the protection mechanism (4) comprises a top plate (41) which is fixed to the top end of the air tightness detection device body (1) and has the same area as the top end of the air tightness detection device body (1), a movable bin (42) which is arranged in the top plate (41) and extends to the inner wall of the rear end of the top plate (41), a first sliding chute (43) which is arranged at the upper end of the inner wall of the movable bin (42), a first sliding block (44) which is connected with the first sliding chute (43) in a sliding mode, a fixing plate (45) which is fixed with the first sliding block (44), auxiliary plates (46) which are fixed on the fixing plate (45) in a bilateral symmetry mode, a rotating rod (47) which is fixed between the two groups of auxiliary plates (46), a sleeve rod plate (48) which is sleeved on the rotating rod (47), and a protection plate (49) which is fixed with the sleeve rod plate (48).
3. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 2, characterized in that: the fixed plate (45) is symmetrically provided with two groups in the protection plate (49), and the length of the fixed plate (45) is larger than the thickness of a button arranged on the pressure regulating valve (2), the display screen (3) and the air tightness detection device main body (1).
4. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 2, characterized in that: an anti-loose washer is arranged between the sleeve rod plate (48) and the rotating rod (47), and the length of the sleeve rod plate (48) is greater than the height of the auxiliary plate (46).
5. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 2, characterized in that: the protection plate (49) is arranged to be an acrylic transparent plate, and the sum of the lengths of the protection plate (49) and the fixing plate (45) is six fifths of the length of the movable bin (42).
6. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 1 or 2, characterized in that: portable mechanism (5) are including offering at inside fluting (51) in roof (41) top, offer in second spout (52) of fluting (51) inner wall, with second spout (52) sliding connection's second slider (53), fix movable block (54) on second slider (53), spring (55) of setting in fluting (51), fix gag lever post (56) on movable block (54), fix handle (58) at roof (41) top outer wall, offer in spacing groove (57) of handle (58) bottom inner wall and fix pull rod (59) at gag lever post (56) outer end.
7. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 6, characterized in that: one end of the spring (55) is connected with the outer wall of the movable block (54), and the other end of the spring (55) is connected with the inner wall of the groove (51).
8. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 6, characterized in that: the slotted holes (51) are symmetrically provided with two groups along the handle (58), the second sliding grooves (52) of each group are symmetrically provided with two groups in front and back of the inner wall of the slotted hole (51), and the length of each group of the second sliding grooves (52) is larger than that of the limiting groove (57).
9. The device for detecting the airtightness of the negative pressure system of the steam turbine of the thermal power plant according to claim 6, characterized in that: the pull rod (59) is arranged in a circular ring shape, and grains are arranged on the outer wall of the pull rod (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121553412.XU CN215414204U (en) | 2021-07-08 | 2021-07-08 | Steam turbine negative pressure system gas tightness detection device of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121553412.XU CN215414204U (en) | 2021-07-08 | 2021-07-08 | Steam turbine negative pressure system gas tightness detection device of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215414204U true CN215414204U (en) | 2022-01-04 |
Family
ID=79647967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121553412.XU Active CN215414204U (en) | 2021-07-08 | 2021-07-08 | Steam turbine negative pressure system gas tightness detection device of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215414204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114786377A (en) * | 2022-04-06 | 2022-07-22 | 惠州市凯视科技有限公司 | Intelligent internet navigation equipment with dustproof outer cover |
-
2021
- 2021-07-08 CN CN202121553412.XU patent/CN215414204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114786377A (en) * | 2022-04-06 | 2022-07-22 | 惠州市凯视科技有限公司 | Intelligent internet navigation equipment with dustproof outer cover |
| CN114786377B (en) * | 2022-04-06 | 2024-01-26 | 惠州市凯视科技有限公司 | Intelligent Internet-of-things navigation equipment with dustproof outer cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215414204U (en) | Steam turbine negative pressure system gas tightness detection device of thermal power plant | |
| CN106017821A (en) | Battery leakproofness detecting system | |
| CN107966249A (en) | A kind of MEA detects fixture | |
| CN212064615U (en) | Medical equipment maintenance record appearance | |
| CN207487896U (en) | A kind of air tightness test platform for cylinder body | |
| CN111024252A (en) | Special temperature measuring device capable of calibrating temperature of vulcanizing instrument die cavity and using method thereof | |
| CN211716265U (en) | Portable pressure pipeline leakage detection device | |
| CN208736846U (en) | A kind of detector for gas detection | |
| CN206140165U (en) | Fixed establishment is used in processing of closed integral impeller | |
| CN207650115U (en) | Overlap detection machine | |
| CN206726739U (en) | Display screen detecting tool shell | |
| CN216564035U (en) | Power system distribution device easy to overhaul | |
| CN210379888U (en) | Control equipment for electric power engineering | |
| CN214446172U (en) | Sunroof button radium carving detection device | |
| CN215374721U (en) | Gas sampler for mine environment detection | |
| CN217254003U (en) | Positioning tool for welding patch in aero-engine combustion chamber | |
| CN213184055U (en) | A emergency stop button system that is used for emergency stop button to prevent mistake and touches box and is used for filling electric pile | |
| CN210359833U (en) | High-precision laser cutting device | |
| CN214118274U (en) | Double-flow-channel volute of turbocharger | |
| CN202969422U (en) | Sun shade suitable for foundation pile dynamic test gage | |
| CN109032247A (en) | A kind of excellent industrial all-in-one machine of safety | |
| CN207197555U (en) | A kind of shell mechanism for monitoring device | |
| CN212288268U (en) | Drying and stirring machine for production of environment-friendly woven bags | |
| CN216846543U (en) | Portable light-splitting color photometer | |
| CN213148854U (en) | Portable gas detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |