CN214368454U - Steam turbine pipeline is with overhauing frock - Google Patents
Steam turbine pipeline is with overhauing frock Download PDFInfo
- Publication number
- CN214368454U CN214368454U CN202021448860.9U CN202021448860U CN214368454U CN 214368454 U CN214368454 U CN 214368454U CN 202021448860 U CN202021448860 U CN 202021448860U CN 214368454 U CN214368454 U CN 214368454U
- Authority
- CN
- China
- Prior art keywords
- steam pipeline
- main steam
- pipeline
- ring
- support ring
- 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
- Pipe Accessories (AREA)
Abstract
The utility model discloses a steam turbine pipeline is with overhauing frock, include: the supplementary steam conduit of main steam conduit bottom, the both ends of supplementary steam conduit communicate respectively on the connecting portion at main steam conduit both ends, but supplementary steam conduit intercommunication is equipped with elastic deformation's movable seal unit at the opening part of connecting portion, the convenient shutoff of switching of movable seal unit is in main steam conduit both ends and supplementary steam conduit both ends, when the shutoff of movable seal unit is in main steam conduit both ends, the main steam conduit intercommunication at supplementary steam conduit both ends are opened and with this position main steam conduit both ends, this moment, steam can continue to carry, and do not pass through the main steam conduit of this position, can conveniently overhaul main steam conduit under the condition that does not cut off steam transport, and the main steam conduit of overhauing the position can conveniently be demolishd and maintain.
Description
Technical Field
The utility model relates to an overhaul frock technical field, concretely relates to steam turbine pipeline is with overhauing frock.
Background
The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants. The steam pipeline of the steam turbine is easy to rust, scale, block and the like due to long-time steam transportation, and therefore the steam pipeline needs to be overhauled frequently.
In the prior art, the maintenance tool used for maintaining the steam pipeline is usually maintained in a beating mode, but the judgment is influenced by the steam moving at high speed in the steam pipeline when the equipment is not stopped during maintenance; but when the equipment is stopped, the loss is large; therefore, the maintenance tool for the steam turbine pipeline is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an overhaul tool for a steam turbine pipeline, an auxiliary steam pipeline at the bottom of a main steam pipeline, two ends of the auxiliary steam pipeline are respectively communicated with the connecting parts at two ends of the main steam pipeline, the auxiliary steam pipeline is communicated with the opening of the connecting part and is provided with an elastically deformable movable sealing unit, the movable sealing units are conveniently switched and plugged at two ends of the main steam pipeline and two ends of the auxiliary steam pipeline, when the movable sealing units are plugged at the two ends of the main steam pipeline, the two ends of the auxiliary steam pipeline are opened and communicated with the main steam pipelines at the two ends of the main steam pipeline at the same position, at the moment, the steam can be continuously conveyed, the main steam pipeline at the position is not required to be cut off, the main steam pipeline can be conveniently overhauled under the condition that steam conveying is not cut off, and the main steam pipeline at the overhauling position can be conveniently dismantled for maintenance.
In order to realize above-mentioned purpose, the utility model discloses a pair of steam turbine pipeline is with overhauing frock, include:
the main steam pipelines are mutually spliced to form a steam turbine pipeline, and the adjacent main steam pipelines are communicated through a connecting part;
the auxiliary steam pipeline is arranged at the bottom of the main steam pipeline, two ends of the auxiliary steam pipeline are respectively communicated with connecting parts at two ends of the main steam pipeline, the auxiliary steam pipeline is communicated with a movable sealing unit which is arranged at an opening of the connecting part and can elastically deform, the movable sealing unit is blocked at the end part of the main steam pipeline when expanding and deforming, and the movable sealing unit is blocked at the position where the auxiliary steam pipeline is communicated with the connecting part when contracting and deforming;
be used for measuring the measuring assembly of this main steam pipeline degree of wriggling inflation after the shutoff of main steam pipeline both ends through movable seal unit, measuring assembly is including adsorbable fixed magnetic strip, the fixed measuring round bar in magnetic strip middle part and the guide sleeve that can supply to measure the round bar and slide in its inside on main steam pipeline surface, be equipped with the scale that is used for observing measuring round bar tip displacement in order to confirm main steam pipeline degree of wriggling inflation on the guide sleeve.
As the further optimization of the above scheme, the connecting part comprises a support ring, avoidance rings which are fixed on two sides of the support ring and can elastically deform, and a connecting ring which is fixed on the side edge of the avoidance rings, wherein the connecting ring is in a ring shape with a concave cross section, and the connecting ring is connected to the end part of the main steam pipeline in a threaded fit mode.
As a further optimization of the above scheme, two sets of flow splitting ports are arranged below the support ring, the two sets of flow splitting ports are respectively communicated with the auxiliary steam pipelines below the main steam pipelines on the two sides of the support ring, the inner walls on the two sides of the support ring are respectively provided with a blocking ring for blocking the movable sealing unit, one side of the flow splitting port is provided with a fixed ribbed plate for fixedly supporting the movable sealing unit, and the other side of the flow splitting port is provided with a supporting ribbed plate for movably supporting the movable sealing unit.
As a further optimization of the above scheme, the movable sealing unit includes a semi-annular blocking body, a plurality of groups of magnetic sheets which can be fixed on the blocking ring and the support ring in an adsorbing manner are arranged on the inner wall of the blocking body, bonding plates are fixed at opposite corners inside the blocking body, and a spring which pulls the blocking body and enables the blocking body to be sealed in the branch port is fixedly connected between the bonding plates at the two opposite corners.
As a further optimization of the above scheme, an air pressure unit for inflating or evacuating the plugging body to elastically deform the plugging body is arranged on the surface of the auxiliary steam pipeline, two ends of the air pressure unit are respectively communicated with the plugging bodies at two ends of the main steam pipeline through two groups of air pipes, two ends of the air pressure unit are also provided with two groups of circulating pipelines communicated with the insides of connecting rings at two ends of the main steam pipeline, and the circulating pipelines and the air pipes are respectively provided with a second control valve and a first control valve.
As a further optimization of the scheme, a cooling box for cooling the steam stored in the extraction connecting ring is arranged on the circulating pipeline at one end of the air pressure unit.
As a further optimization of the above scheme, the bottom of the guide sleeve is fixedly arranged on the surface of the auxiliary steam pipeline, an observation groove for observing the position of the end of the measuring round rod in the guide sleeve is arranged on one side of the guide sleeve, and the scale is arranged on the side surface of the observation groove.
As a further optimization of the scheme, the ball which is movably attached to the inner wall of the guide sleeve is movably embedded in the outer ring of the measuring round rod, and a magnetic layer which can be fixed on the surface of the ball in an adsorption mode is arranged in the inner wall of the guide sleeve.
As a further optimization of the above scheme, the diversion port is of a semi-annular structure, the diversion port is arranged along the outer ring of the support ring, the diversion port is arranged in a manner of being matched with the plugging body, when the air pressure unit inflates the plugging body through the air pipe, the plugging body expands and deforms to be sealed in the support rings on two sides of the main steam pipeline, the plugging body tends to expand and deform vertically when expanding and deforming, and a diversion gap communicated between the support ring and the auxiliary steam pipeline is formed between one side of the plugging body and the diversion port.
The utility model discloses a steam turbine pipeline is with overhauing frock possesses following beneficial effect:
1. the utility model discloses an overhaul tool for a steam turbine pipeline, an auxiliary steam pipeline at the bottom of a main steam pipeline, two ends of the auxiliary steam pipeline are respectively communicated with connecting parts at two ends of the main steam pipeline, the auxiliary steam pipeline is communicated with a movable sealing unit which can elastically deform and is arranged at the opening part of the connecting part, the end part of the main steam pipeline is plugged when the movable sealing unit expands and deforms, the end part of the auxiliary steam pipeline is plugged at the position of the connecting part of the auxiliary steam pipeline when the movable sealing unit contracts and deforms, the movable sealing unit is convenient to switch and plug at two ends of the main steam pipeline and two ends of the auxiliary steam pipeline, when the movable sealing unit is plugged at two ends of the main steam pipeline, two ends of the auxiliary steam pipeline are opened and are communicated with the main steam pipeline at two ends of the main steam pipeline at the position, at the moment, steam can be continuously conveyed without passing through the main steam pipeline at the position, the main steam pipeline can be conveniently overhauled under the condition of not cutting off the steam conveying, the main steam pipeline at the overhauling position can be conveniently dismounted for maintenance;
2. the utility model discloses a steam turbine pipeline is with overhauing frock, be used for measuring the measuring subassembly of this main steam pipeline degree of creep after main steam pipeline both ends are sealed through the movable seal unit, measuring subassembly includes the magnetism strip that adsorbable fixed on main steam pipeline surface, the fixed measuring round bar in the middle part of the magnetism strip and can supply to measure the uide bushing that the round bar slided in its inside, be equipped with the scale that is used for observing the measuring round bar tip displacement to confirm main steam pipeline degree of creep on the uide bushing, when the movable seal unit is sealed at main steam pipeline both ends, remaining steam in this main steam pipeline can be taken out through atmospheric pressure unit and is cooled through the cooler bin, steam after the cooling is sent into this main steam pipeline again, and main steam pipeline cooling is rapid, and at this moment after main steam pipeline cooling, main steam pipeline is not influenced by the thermal expansion deformation, the measuring value is accurate when the main steam pipeline is measured through the measuring assembly, the end part of the measuring round rod in the measuring assembly is provided with the magnetic strip which can be adsorbed and fixed on the outer wall of the main steam pipeline in real time, the measuring round rod is guaranteed to be attached to the outer wall of the main steam pipeline in real time, the phenomenon that the position cannot be restored after the measuring round rod moves due to thermal expansion of the main steam pipeline is avoided, and the measuring value of the creep expansion degree measured through the measuring assembly is accurate.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are capable of numerous changes, modifications and equivalents within the spirit and terms of the appended claims.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the support ring of the present invention;
FIG. 3 is a schematic structural view of the measuring assembly of the present invention;
fig. 4 is a schematic structural view of the support ring of the present invention when sealed;
fig. 5 is an enlarged schematic view of a part of the structure of the sealing between the support ring and the blocking body in fig. 4 according to the present invention.
In the figure: the device comprises a main steam pipeline 1, an auxiliary steam pipeline 2, a cooling box 3, an air pressure unit 4, a measuring assembly 5, a circulating pipeline 6, an air pipe 7, a connecting ring 8, a supporting ring 9, an avoiding ring 10, a blocking ring 11, a blocking body 12, a supporting rib plate 13, a fixing rib plate 14, a flow dividing port 15, a guide sleeve 16, a magnetic layer 17, a ball 18, a measuring round rod 19, a magnetic strip 20, scales 21, an observation groove 22, a magnetic sheet 23, a spring 24, an adhesive plate 25, a flow dividing gap 26, a first control valve 27 and a second control valve 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail by the embodiments and the accompanying drawings. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-5 of the specification, the utility model provides a technical scheme: the utility model provides a steam turbine pipeline is with overhauing frock, includes:
the main steam pipelines 1 are mutually spliced to form a steam turbine pipeline, and the adjacent main steam pipelines 1 are communicated through connecting parts;
the auxiliary steam pipeline 2 is arranged at the bottom of the main steam pipeline 1, two ends of the auxiliary steam pipeline 2 are respectively communicated with connecting parts at two ends of the main steam pipeline 1, the auxiliary steam pipeline 2 is communicated with an opening of the connecting part and is provided with an elastically deformable movable sealing unit, the end part of the main steam pipeline 1 is plugged when the movable sealing unit expands and deforms, and the position where the auxiliary steam pipeline 2 is communicated with the connecting part is plugged when the movable sealing unit contracts and deforms;
the measurement assembly 5 is used for measuring the creep expansion degree of the main steam pipeline 1 after two ends of the main steam pipeline 1 are plugged through the movable sealing units, the measurement assembly 5 comprises a magnetic strip 20 which can be fixed on the surface of the main steam pipeline 1 in an adsorption mode, a measurement round rod 19 fixed in the middle of the magnetic strip 20 and a guide sleeve 16 which can enable the measurement round rod 19 to slide in the guide sleeve 16, and scales 21 used for observing the moving distance of the end part of the measurement round rod 19 to determine the creep expansion degree of the main steam pipeline 1 are arranged on the guide sleeve 16.
In this embodiment, the connection portion includes a support ring 9, an avoidance ring 10 fixed on both sides of the support ring 9 and capable of elastically deforming, and a connection ring 8 fixed on a side edge of the avoidance ring 10, the connection ring 8 is in a ring shape with a cross section in a shape of a Chinese character 'ao', and the connection ring 8 is connected to the end portion of the main steam pipeline 1 through thread fit.
It should be noted that, when the avoidance ring 10 has a sufficient length to allow the avoidance ring 10 to be compressed and deformed and the connection pipes 8 at both ends of the support ring 9 are simultaneously rotated and taken out, the avoidance ring 10 is compressed and deformed, so that the connection pipes 8 and the main steam pipeline 1 can be conveniently assembled and disassembled.
Further, two sets of flow ports 15 are arranged below the support ring 9, the two sets of flow ports 15 are respectively communicated with the auxiliary steam pipelines 2 below the main steam pipelines 1 on two sides of the support ring 9, the inner walls on two sides of the support ring 9 are respectively provided with a baffle ring 11 for blocking the movable sealing unit, one side of the flow dividing port 15 is provided with a fixed ribbed plate 14 for fixedly supporting the movable sealing unit, and the other side of the flow dividing port 15 is provided with a support ribbed plate 13 for movably supporting the movable sealing unit.
The fixed rib plate 14 plays a role of fixing the movable sealing unit, and the supporting rib plate 13 is used for adsorbing and fixing the magnetic sheet 23 inside the other end of the movable sealing unit, so that the movable sealing unit is stably sealed in the flow dividing port 15.
The baffle ring 11 has the function of guiding the movable sealing unit, so that the movable sealing unit is not seriously changed in position and cannot block the end part of the main steam pipeline 1 when being expanded and deformed.
Specifically, the movable sealing unit comprises a semi-annular blocking body 12, a plurality of groups of magnetic sheets 23 which can be adsorbed and fixed on the blocking ring 11 and the supporting ring 9 are arranged on the inner wall of the blocking body 12, bonding plates 25 are fixed at opposite corners inside the blocking body 12, and springs 24 which pull the blocking body 12 and enable the blocking body 12 to be sealed in the branch ports 15 are fixedly connected between the bonding plates 25 at the two opposite corners.
The plugging body 12 can use an air bag and the like, the plugging body 12 is pulled and held through the spring 24, when gas inside the plugging body 12 is pumped out, the spring 24 pulls the plugging body 12 to shrink and deform so as to plug in the branch opening 15, when the plugging body 12 is filled with gas, the plugging body 12 expands and deforms, the pulling and holding action of the spring 24 enables the plugging body 12 to tend to vertically expand and deform and plug at two ends of the main steam pipeline 1, and a plurality of groups of magnetic sheets 23 inside the plugging body 12 are adsorbed and fixed on the blocking ring 11, so that the plugging body 12 is enabled to expand and deform along the blocking ring 11 and is well sealed at the end part of the main steam pipeline 1.
In this embodiment, the surface of the auxiliary steam pipeline 2 is provided with an air pressure unit 4 for inflating or evacuating the plugging body 12 to elastically deform the plugging body 12, two ends of the air pressure unit 4 are respectively communicated with the plugging bodies 12 at two ends of the main steam pipeline 1 through two sets of air pipes 7, two ends of the air pressure unit 4 are further provided with two sets of circulating pipelines 6 communicated with the insides of the connecting rings 8 at two ends of the main steam pipeline 1, and the circulating pipelines 6 and the air pipes 7 are respectively provided with a second control valve 28 and a first control valve 27.
The circulation pipe 6 at one end of the air pressure unit 4 is provided with a cooling tank 3 for cooling the steam stored in the extraction connection ring 8.
The air pressure unit 4 can use an air pump and other devices with air inflation and air extraction functions, the first control valve 27 and the second control valve 28 can select an automatic electromagnetic valve or a manual valve as required, and are common in the prior art, and no further description is given here, when two ends of the main steam pipeline 1 are plugged by the movable sealing unit, residual steam in the plugged main steam pipeline 1 is extracted by the circulating pipeline 6 at one end of the air pressure unit 4, the residual steam enters the plugged main steam pipeline 1 again from the circulating pipeline 6 at the other end of the air pressure unit 4 after being cooled by the cooling box 3, and the steam in the plugged main steam pipeline 1 is circulated and cooled by the air pressure unit 4, so that the temperature of the main steam pipeline 1 is rapidly reduced, and the main steam pipeline 1 cannot influence the measurement of the expansion degree of the main steam pipeline 1 due to a thermal expansion phenomenon.
It should be noted that the bottom of the guide sleeve 16 is fixedly disposed on the surface of the auxiliary steam pipeline 2, an observation groove 22 for observing the position of the end of the measuring round bar 19 in the guide sleeve 16 is disposed on one side of the guide sleeve 16, and the scale 21 is disposed on the side of the observation groove 22.
The guide sleeve 16 is used for the measurement round rod 9 to move perpendicular to the main steam pipeline 1, and the creep deformation length of the main steam pipeline 1 can be visually observed when the end part of the measurement round rod 9 is observed to point to the position of the scale 21.
The scale 21 can be a micrometer scale according to requirements, and the like, so that the accuracy of measured data is improved.
Further, the ball 18 that has the activity to laminate in the uide bushing 16 inner wall is inlayed in the activity of the outer lane department of measuring round bar 19, be equipped with adsorbable magnetic layer 17 who fixes on the surface of ball 18 in the inner wall of uide bushing 16, it is with sliding through the contact of ball 18 with the uide bushing 16 inner wall to measure round bar 9, sliding resistance is little, convenient measurement, and measure round bar 9 one end and pass through magnetic strip 20 adsorption and fix 1 outer wall in main steam conduit, measure round bar 9 outer lane and pass through ball 18 adsorption and fix in the magnetic layer 17 in uide bushing 16, measure round bar 9 and move stably.
Wherein, the diffluence opening 15 is a semi-ring structure, and the diffluence opening 15 is arranged along the outer ring of the support ring 9, the diffluence opening 15 is arranged in match with the plugging body 12, when the air pressure unit 4 inflates the plugging body 12 through the air pipe 7, the plugging body 12 expands and deforms to seal the support ring 9 at the two sides of the main steam pipeline 1, the plugging body 12 tends to expand and deform vertically when expanding and deforming, and a diffluence gap 26 communicated between the support ring 9 and the auxiliary steam pipeline 2 is formed between one side of the plugging body 12 and the diffluence opening 15.
When the support rings 9 on both sides of the main steam pipeline 1 are blocked by the blocking bodies 12 which are expanded and deformed vertically, the steam pipelines 1 at both ends of the steam pipeline 1 are communicated through the flow dividing gaps 26 at both ends of the auxiliary steam pipeline 2 below the steam pipeline 1.
The embodiment provides a steam turbine pipeline is with overhauing frock, the working process as follows:
when the main steam pipeline 1 at a fixed position is overhauled, the air pressure unit 4 below the main steam pipeline 1 is started, the first control valve 27 is opened, the air pressure unit 4 inflates the blocking body 12 through the air pipe 7, the blocking body 12 continuously expands and deforms when inflated, and the pulling and holding action of the spring 24 fixed diagonally in the plugging body 12 is combined with the magnetic sheet 23 which is arranged inside the plugging body 12 and can be adsorbed and fixed on the retaining ring 11 and the supporting ring 9, so that the plugging body 12 tends to deform vertically and continuously inflates the plugging body 12, the plugging body 12 is sealed at two ends of the main steam pipeline 1, and the width of the plugging body 12 becomes smaller after expansion and deformation, a diversion gap 26 for communicating the main steam pipeline 1 and the auxiliary steam pipeline 2 at two ends of the main steam pipeline 1 is reserved between the plugging body and the diversion port 15, at this moment, the detected main steam pipeline 1 does not pass through steam any more, and the supply of the steam does not need to be stopped. The phenomenon of great loss caused by stopping the machine is avoided.
The first control valve 27 is closed and the second control valve 28 is opened, the air pressure unit 4 pumps residual steam inside the measured main steam pipeline 1 into the circulating pipeline 6, and the steam in the main steam pipeline 1 is cooled circularly through the cooling box 3 on the circulating pipeline 6, so that the measured main steam pipeline 1 is rapidly cooled.
At this time, observing the position of the end portion of the measuring round rod 19 in the guide sleeve 16 pointing to the scale 21, the creep expansion degree of the main steam pipe 1 can be obtained by subtracting the position of the end portion of the initial round rod 19 in the guide sleeve 16 pointing to the scale 21 from the position of the scale 21 after the main steam pipe 1 is expanded and deformed at this time.
It should be understood, however, that the intention is not to limit the invention to the particular embodiments described, but to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a steam turbine pipeline is with overhauing frock which characterized in that includes:
the main steam pipelines are mutually spliced to form a steam turbine pipeline, and the adjacent main steam pipelines are communicated through a connecting part;
the auxiliary steam pipeline is arranged at the bottom of the main steam pipeline, two ends of the auxiliary steam pipeline are respectively communicated with connecting parts at two ends of the main steam pipeline, the auxiliary steam pipeline is communicated with a movable sealing unit which is arranged at an opening of the connecting part and can elastically deform, the movable sealing unit is blocked at the end part of the main steam pipeline when expanding and deforming, and the movable sealing unit is blocked at the position where the auxiliary steam pipeline is communicated with the connecting part when contracting and deforming;
be used for measuring the measuring assembly of this main steam pipeline degree of wriggling inflation after the shutoff of main steam pipeline both ends through movable seal unit, measuring assembly is including adsorbable fixed magnetic strip, the fixed measuring round bar in magnetic strip middle part and the guide sleeve that can supply to measure the round bar and slide in its inside on main steam pipeline surface, be equipped with the scale that is used for observing measuring round bar tip displacement in order to confirm main steam pipeline degree of wriggling inflation on the guide sleeve.
2. The turbine pipeline overhauling tool according to claim 1, wherein the tool comprises: connecting portion include the support ring, be fixed in support ring both sides and elastically deformable dodge the ring, be fixed in the go-between of dodging the ring side, the go-between is the ring form that the cross-section is character cut in bas-relief, and the go-between passes through screw-thread fit to be connected in the tip of main steam pipeline.
3. The overhaul tool for the turbine pipeline according to claim 2, wherein: the utility model discloses a sealing device, including support ring, auxiliary steam pipeline, two sets of branch stream mouths, the below of support ring is equipped with two sets of branch stream mouths, and two sets of branch stream mouths communicate the auxiliary steam pipeline below the main steam pipeline in support ring both sides respectively, the both sides inner wall of support ring all is equipped with the fender ring that blocks the activity sealing unit, one side of branch stream mouth is equipped with the fixed floor of fixed stay activity sealing unit, and the opposite side of branch stream mouth is equipped with the support floor of activity stay activity sealing unit.
4. The overhaul tool for the turbine pipeline according to claim 3, wherein: the movable sealing unit comprises a semi-annular sealing body, a plurality of groups of magnetic sheets which can be fixed on the blocking ring and the support ring in an adsorbing manner are arranged on the inner wall of the sealing body, bonding plates are fixed at opposite corners of the inside of the sealing body, and a spring which is used for pulling the sealing body and sealing the sealing body in the flow dividing port is fixedly connected between the bonding plates at the two opposite corners.
5. The overhaul tool for the turbine pipeline according to claim 4, wherein: the surface of the auxiliary steam pipeline is provided with an air pressure unit which is used for inflating or exhausting the plugging body so as to enable the plugging body to elastically deform, two ends of the air pressure unit are respectively communicated with the plugging bodies at two ends of the main steam pipeline through two groups of air pipes, two ends of the air pressure unit are also provided with two groups of circulating pipelines which are communicated with the inside of connecting rings at two ends of the main steam pipeline, and the circulating pipelines and the air pipes are respectively provided with a second control valve and a first control valve.
6. The overhaul tool for the turbine pipeline according to claim 5, wherein: and a cooling box for cooling the steam stored in the extraction connecting ring is arranged on the circulating pipeline at one end of the air pressure unit.
7. The overhaul tool for the turbine pipeline according to claim 6, wherein: the bottom of uide bushing is fixed to be set up in auxiliary steam pipeline's surface, and one side of uide bushing is equipped with and is used for observing the observation groove that measures the position in the uide bushing of round bar tip, the scale sets up in the side of observing the groove.
8. The overhaul tool for the turbine pipeline according to claim 7, wherein: the ball that activity laminating in the uide bushing inner wall is inlayed in the activity of the outer lane department of measuring the round bar, be equipped with the adsorbable magnetic layer who fixes on the ball surface in the inner wall of uide bushing.
9. The overhaul tool for the turbine pipeline according to claim 8, wherein: the flow dividing port is of a semi-annular structure, the flow dividing port is arranged along the outer ring of the support ring, the flow dividing port is matched with the blocking body, when the air pressure unit inflates the blocking body through the air pipe, the blocking body expands and deforms to be sealed in the support rings on two sides of the main steam pipeline, the blocking body tends to expand and deform vertically when expanding and deforming, and a flow dividing gap communicated between the support ring and the auxiliary steam pipeline is formed between one side of the blocking body and the flow dividing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021448860.9U CN214368454U (en) | 2020-07-21 | 2020-07-21 | Steam turbine pipeline is with overhauing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021448860.9U CN214368454U (en) | 2020-07-21 | 2020-07-21 | Steam turbine pipeline is with overhauing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214368454U true CN214368454U (en) | 2021-10-08 |
Family
ID=77930765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021448860.9U Active CN214368454U (en) | 2020-07-21 | 2020-07-21 | Steam turbine pipeline is with overhauing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214368454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871781A (en) * | 2022-05-18 | 2022-08-09 | 淮南市泰能电力工程有限公司 | Pressurized water reactor device with nickel-based alloy ultrasonic argon arc welding seam |
-
2020
- 2020-07-21 CN CN202021448860.9U patent/CN214368454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871781A (en) * | 2022-05-18 | 2022-08-09 | 淮南市泰能电力工程有限公司 | Pressurized water reactor device with nickel-based alloy ultrasonic argon arc welding seam |
| CN114871781B (en) * | 2022-05-18 | 2024-02-27 | 淮南市泰能电力工程有限公司 | Pressurized water reactor device with nickel-based alloy ultrasonic argon arc welding seam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214368454U (en) | Steam turbine pipeline is with overhauing frock | |
| CN202166537U (en) | Cooling nozzle targeting testing device | |
| CN203672577U (en) | Leak detecting device used for intermediate housing | |
| CN205826248U (en) | Water supply and sewerage pipeline detection device | |
| CN108787493B (en) | Four-station workpiece leak detector | |
| CN203162544U (en) | Liquid state CO2 conveying device used for dry ice expanded tobacco system | |
| CN203745157U (en) | Four-way valve helium detection clamp | |
| CN206300758U (en) | One kind tube bank pressure test leak-detecting device | |
| CN102788692A (en) | Thermal state seal test device of superhigh temperature hot valve | |
| CN219624979U (en) | Automatic gas tightness detects frock | |
| CN210464833U (en) | Novel fuel cell pressure maintaining experiment bench | |
| CN104819302A (en) | Sealing system of variable mach number spraying pipe | |
| CN219311102U (en) | High-precision valve tightness detection device | |
| CN102213252B (en) | Online dispersing hydraulic station oil tank centralized oil supplementing system and oil supplement method | |
| CN111103095A (en) | Leakage detection device for multiple groups of heat exchange tubes of heat exchanger and using method | |
| CN217422559U (en) | Be used for controller test water-cooling water course quick connect device | |
| CN204503796U (en) | A kind of multiplex roles formula air blade device | |
| CN205843978U (en) | For railcar vehicle-mounted air compressor machine test testing stand | |
| CN202648938U (en) | Thermal state sealing test device of super high temperature hot valve | |
| CN213144745U (en) | Vacuum system for wind tunnel test | |
| CN208399272U (en) | A kind of system of full-automatic detection valve housing intensity | |
| CN203606081U (en) | Safety valve installing device of detection console | |
| CN206387551U (en) | A kind of detection means of cooled plate gas leakage | |
| CN103357626A (en) | Pipeline cleaning device | |
| CN214331874U (en) | Plugging device for steam turbine pipeline maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |