CN109159073A - A kind of application method of partition board of steam turbine labyrinth strip provision for disengagement and the device - Google Patents
A kind of application method of partition board of steam turbine labyrinth strip provision for disengagement and the device Download PDFInfo
- Publication number
- CN109159073A CN109159073A CN201810813775.9A CN201810813775A CN109159073A CN 109159073 A CN109159073 A CN 109159073A CN 201810813775 A CN201810813775 A CN 201810813775A CN 109159073 A CN109159073 A CN 109159073A
- Authority
- CN
- China
- Prior art keywords
- clamping bar
- labyrinth strip
- boss
- head end
- steam turbine
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The application method of a kind of partition board of steam turbine labyrinth strip provision for disengagement and the device is related to labyrinth strip extracting tool.The present invention is to solve the problems, such as that pincers worker disassembly labyrinth strip is time-consuming and laborious.A kind of partition board of steam turbine labyrinth strip provision for disengagement of the present invention, clamping bar head end is provided with U-shaped opening slot, tapped through hole is provided on one side wall of U-shaped opening slot, spiral pin nail can be realized with tapped through hole and is threadedly coupled, intrinsic boss is covered on clamping bar and boss is close to clamping bar end, impacting body can be passed through from clamping bar head end and is nested on clamping bar, and boss can stop impacting body to slide from the end of clamping bar.Circular hole is beaten on labyrinth strip to be removed, labyrinth strip is placed in U-shaped opening slot, and spiral pin nail is fastened by tapped through hole and clamping bar, so that clamping bar is articulated in the circular hole of labyrinth strip by spiral pin nail, hand-held impacting body hits boss repeatedly, until labyrinth strip is taken away from the packing slot of partition body.
Description
Technical field
The invention belongs to labyrinth strip extracting tool fields.
Background technique
Partition board of steam turbine and diaphragm housing ring inner hole are used to seal or obstruct steam flow equipped with some labyrinth strips and use.These labyrinth strips are
The arc section of stainless steel substrates is in partition, diaphragm housing ring packing slot.Steam turbine operation for a period of time depot repair when, labyrinth strip by
New labyrinth strip is needed replacing in abrasion, still, due to the corrosion of the unit long-play portion of causing set, labyrinth strip is dismantled in pincers worker
It is very time-consuming and laborious.
Summary of the invention
The present invention is now to provide a kind of partition board of steam turbine packing to solve the problems, such as that pincers worker disassembly labyrinth strip is time-consuming and laborious
The application method of piece provision for disengagement and the device.
A kind of partition board of steam turbine labyrinth strip provision for disengagement, comprising: clamping bar, impacting body and spiral pin nail,
Clamping bar head end is provided with U-shaped opening slot, tapped through hole is provided on a side wall of U-shaped opening slot, spiral pin nail can
It is threadedly coupled with tapped through hole realization, intrinsic boss is covered on clamping bar and boss is close to clamping bar end,
Impacting body can be passed through from clamping bar head end and is nested on clamping bar, and boss can stop impacting body from clamping
The end of bar slides.
Clamping bar includes: head end portion and main body, and head end portion is rectangular parallelepiped structure, and main body is cylindrical structure, head end portion
Bottom end is fixed on the head end face of main body, and U-shaped opening slot position is less than master in the top in head end portion, head end portion bottom surface catercorner length
The diameter of body, boss are annular, and boss is fixed in main body and close to body ends.
Head end portion, main body and boss are in integral structure.
Impacting body includes that two equal and equal internal diameter annulus, two annulus end faces are not connected and are coaxially disposed outer diameter,
The internal diameter of two annulus is greater than the diameter of main body and is less than the outer diameter of boss.
Two annulus are in integral structure.
A kind of application method of above-mentioned partition board of steam turbine labyrinth strip provision for disengagement, comprising the following steps:
Circular hole is beaten on labyrinth strip to be removed,
Impacting body is penetrated from the head end of clamping bar,
Labyrinth strip is placed in U-shaped opening slot,
Spiral pin nail is sequentially passed through into tapped through hole and circular hole, and spiral pin nail is fastened by tapped through hole and clamping bar, is made
Clamping bar is obtained to be articulated in the circular hole of labyrinth strip by spiral pin nail,
Hand-held impacting body hits boss repeatedly, until labyrinth strip is taken away from the packing slot of partition body.
The application method and the prior art of a kind of partition board of steam turbine labyrinth strip provision for disengagement of the present invention and the device
Compared to having the effect that
1, disassembly labyrinth strip is convenient and strength-saving.
2, removal efficiency improves 30% than conventional disassembly.
3, the configuration of the present invention is simple is manufactured and is easy, at low cost, is used convenient for a wide range of.
Detailed description of the invention
Fig. 1 is a kind of perspective view of partition board of steam turbine labyrinth strip provision for disengagement；
Fig. 2 is a kind of main view of partition board of steam turbine labyrinth strip provision for disengagement
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the top view of Fig. 2；
Fig. 5 is the sectional view along A-A of Fig. 2；
Fig. 6 is the schematic diagram under use state.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of steamer described in present embodiment referring to figs. 1 to 6
Machine diaphragm gland piece provision for disengagement, comprising: clamping bar 1, impacting body 2 and spiral pin nail 3, clamping bar 1 includes: head end portion 1-1 and master
Body 1-2；
Head end portion 1-1 is rectangular parallelepiped structure, and main body 1-2 is cylindrical structure, and the bottom end of head end portion 1-1 is fixed on main body 1-
On 2 head end face, the head end portion bottom surface 1-1 catercorner length is less than the diameter of main body 1-2, and the top of head end portion 1-1 is provided with U-shaped and opens
Mouthful slot 1-1-1 is provided with tapped through hole on a side wall of U-shaped opening slot 1-1-1, and spiral pin nail 3 can realize spiral shell with tapped through hole
Line connection, sleeve fixed ring shape boss 1-3 and boss 1-3 are close to the end main body 1-2 on main body 1-2.
Impacting body 2 includes two annulus that outer diameter does not wait and internal diameter is equal, and two annulus end faces are connected and are coaxially disposed,
Impacting body 2 can be passed through from the head end portion 1-1 of clamping bar 1 and is nested on main body 1-2, and the internal diameter of two annulus is greater than main body 1-
2 diameter and the outer diameter for being less than boss 1-3 stop impacting body 2 using boss 1-3, prevent impacting body 2 from the end of clamping bar 1
It slides.
Head end portion 1-1, main body 1-2 and boss 1-3 are in integral structure, and two annulus are in integral structure.
Specific embodiment 2: a kind of application method of above-mentioned partition board of steam turbine labyrinth strip provision for disengagement, including following step
It is rapid:
Circular through hole is made on labyrinth strip 5 to be removed using electric drill,
Impacting body 2 is inserted on main body 1-2 from head end portion one end 1-1 of clamping bar 1,
Labyrinth strip 5 is placed in U-shaped opening slot 1-1-1,
Spiral pin nail 3 is sequentially passed through into tapped through hole and circular through hole, and spiral pin nail 3 is passed through into tapped through hole and clamping bar 1
Fastening, so that clamping bar 1 is articulated in the circular through hole of labyrinth strip 5 by spiral pin nail 3, the end of spiral pin nail 3 and U-shaped opening slot
Another side wall of 1-1-1 is in close contact, as shown in fig. 6,
Hand-held impacting body 2 hits the upper surface of boss 1-3, during percussion, effect of the boss 1-3 in impact force repeatedly
Lower drive clamping bar 1 is whole mobile to its end direction, until labyrinth strip 5 is taken away from the packing slot of partition body 4.
Claims (6)
1. a kind of partition board of steam turbine labyrinth strip provision for disengagement characterized by comprising clamping bar (1), impacting body (2) and spiral pin
It follows closely (3),
Clamping bar (1) head end is provided with U-shaped opening slot (1-1-1), and it is logical that screw thread is provided on a side wall of U-shaped opening slot (1-1-1)
Hole, spiral pin nail (3) can be realized with tapped through hole and is threadedly coupled, and intrinsic boss (1-3) and boss (1-3) are covered on clamping bar (1)
Close to clamping bar (1) end,
Impacting body (2) can be passed through from clamping bar (1) head end and is nested on clamping bar (1), and boss (1-3) can stop to hit
Body (2) is hit to slide from the end of clamping bar (1).
2. a kind of partition board of steam turbine labyrinth strip provision for disengagement according to claim 1, which is characterized in that clamping bar (1) packet
Include: head end portion (1-1) and main body (1-2), head end portion (1-1) are rectangular parallelepiped structure, and main body (1-2) is cylindrical structure,
The bottom end in head end portion (1-1) is fixed on the head end face of main body (1-2), and U-shaped opening slot (1-1-1) is located at head end portion (1-
1) top, head end portion (1-1) bottom surface catercorner length are less than the diameter of main body (1-2),
Boss (1-3) is annular, and boss (1-3) is fixed on main body (1-2) and close to the end main body (1-2).
3. a kind of partition board of steam turbine labyrinth strip provision for disengagement according to claim 2, which is characterized in that head end portion (1-1),
Main body (1-2) and boss (1-3) are in integral structure.
4. a kind of partition board of steam turbine labyrinth strip provision for disengagement according to claim 2, which is characterized in that impacting body (2) packet
Including outer diameter, two equal and equal internal diameter annulus, two annulus end faces are not connected and are coaxially disposed,
Diameter of the internal diameter of two annulus greater than main body (1-2) and the outer diameter for being less than boss (1-3).
5. a kind of partition board of steam turbine labyrinth strip provision for disengagement according to claim 4, which is characterized in that two annulus are in one
Body structure.
6. a kind of application method of partition board of steam turbine labyrinth strip provision for disengagement, feature described in above-mentioned 1 to 5 any claim
It is, comprising the following steps:
Circular hole is beaten on labyrinth strip (5) to be removed,
Impacting body (2) is penetrated from the head end of clamping bar (1),
Labyrinth strip (5) is placed in U-shaped opening slot (1-1-1),
Spiral pin nail (3) is sequentially passed through into tapped through hole and circular hole, and spiral pin nail (3) is tight by tapped through hole and clamping bar (1)
Gu it is articulated in the circular hole of labyrinth strip (5) so that clamping bar (1) follows closely (3) by spiral pin,
Hand-held impacting body (2) hit boss (1-3) repeatedly, until labyrinth strip (5) is taken away from the packing slot of partition body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813775.9A CN109159073A (en) | 2018-07-23 | 2018-07-23 | A kind of application method of partition board of steam turbine labyrinth strip provision for disengagement and the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813775.9A CN109159073A (en) | 2018-07-23 | 2018-07-23 | A kind of application method of partition board of steam turbine labyrinth strip provision for disengagement and the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109159073A true CN109159073A (en) | 2019-01-08 |
Family
ID=64898097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810813775.9A Pending CN109159073A (en) | 2018-07-23 | 2018-07-23 | A kind of application method of partition board of steam turbine labyrinth strip provision for disengagement and the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109159073A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206254110U (en) * | 2016-11-30 | 2017-06-16 | 广西玉柴机器股份有限公司 | A kind of instrument of the thin axial workpiece of fast quick-detach radial aperture |
-
2018
- 2018-07-23 CN CN201810813775.9A patent/CN109159073A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206254110U (en) * | 2016-11-30 | 2017-06-16 | 广西玉柴机器股份有限公司 | A kind of instrument of the thin axial workpiece of fast quick-detach radial aperture |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190108 |