CN107060895A - Pre-twisted rotating blade assembly tool and device - Google Patents
Pre-twisted rotating blade assembly tool and device Download PDFInfo
- Publication number
- CN107060895A CN107060895A CN201710411785.5A CN201710411785A CN107060895A CN 107060895 A CN107060895 A CN 107060895A CN 201710411785 A CN201710411785 A CN 201710411785A CN 107060895 A CN107060895 A CN 107060895A
- Authority
- CN
- China
- Prior art keywords
- transmission rod
- rotating blade
- assembly tool
- face
- twisted rotating
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
-
- 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Abstract
The invention provides a kind of pre-twisted rotating blade assembly tool, it is characterised in that including：First transmission rod；Second transmission rod, length direction is identical with the length direction of the first transmission rod, and second transmission rod is connected to form overall shaft-like with the first transmission rod；Caulking strip compression end, is arranged on the end of the first transmission rod；Blade root compression end, is arranged on the end of the second transmission rod；First hammer portion, is arranged on the connecting portion side of the first transmission rod and the second transmission rod；Second hammer portion is arranged on the connecting portion opposite side of the first transmission rod and the second transmission rod, wherein, the end face of caulking strip compression end is semicircle face, has certain angle between the end face of blade root compression end and the length direction of the second transmission rod.
Description
Technical field
The invention belongs to steamer manufacturing field of equipment, it is related to a kind of pre-twisted rotating blade assembly tool and the dress containing the instrument
Put.
Background technology
Steam turbine is a kind of dynamic power machine that steam power is converted into rotating mechanical energy, mainly by stator and rotor structure
Into.Wherein, rotor rotation under high-temperature steam drive, so as to drive main shaft to rotate, is the important composition part in steam turbine.
The rotor of steam turbine generally comprises the impeller on main shaft and the movable vane on impeller.Impeller is provided with
The leaf groove of multiple axial direction arrangements along rotor, for installing movable vane.Movable vane has different shapes, and conventional at present is root position
Put the T-shaped movable vane of (i.e. blade root) shape in T shape.Wherein, T-shaped movable vane of pretwist (hereinafter referred to as pre-twisted rotating blade) is in the middle of blade
T-shaped movable vane of body section parallelogram, there is good application prospect in 1,011,000 steam turbines.
Under normal circumstances, need that first movable vane is placed in leaf groove when movable vane is installed, then to movable vane blade root and leaf groove bottom land
Between squeeze into caulking strip with swelling blade, then also need to hammering blade root it is fitted with the blade root of preceding a piece of movable vane.
Because pre-twisted rotating blade has more special contour structures, it is difficult to use automation equipment, therefore its dozen during assembling
The operation for entering caulking strip and hammering blade root relies primarily on operating personnel and carried out manually.When squeezing into caulking strip, operating personnel need
Coordinate fullering tool with caulking strip compaction tool, after the completion of caulking strip is squeezed into, operating personnel need to put down instrument again, fetch leaf
Root compaction tool, then coordinate fullering tool to complete the operation of hammering blade root with blade root compaction tool.That is, operating personnel
Need to change different instruments repeatedly when carrying out and squeezing into caulking strip and hammering blade root operation so that operating process is very cumbersome.
Also, the instrument weight such as blade root compaction tool, fullering tool is larger, the action repeatedly pick up these instruments, put down is also very
Expend muscle power.
The content of the invention
To solve the above problems, without picking up the pre-twisted rotating blade assembler for putting down different instruments repeatedly when providing a kind of use
Tool, present invention employs following technical scheme：
The invention provides a kind of pre-twisted rotating blade assembly tool, it is characterised in that including：First transmission rod；Second power transmission
Bar, length direction is identical with the length direction of the first transmission rod, and second transmission rod is connected to form integral stem with the first transmission rod
Shape；Caulking strip compression end, is arranged on the end of the first transmission rod；Blade root compression end, is arranged on the end of the second transmission rod；First
Hammer portion, is arranged on the connecting portion side of the first transmission rod and the second transmission rod；Second hammer portion is arranged on the first transmission rod
With the connecting portion opposite side of the second transmission rod, wherein, the end face of caulking strip compression end is semicircle face, the end of blade root compression end
There is certain angle between the length direction of face and the second transmission rod.
The pre-twisted rotating blade assembly tool that the present invention is provided, can also have such technical characteristic, wherein, caulking strip is compressed
A diameter of 4mm of the end face at end.
The pre-twisted rotating blade assembly tool that the present invention is provided, can also have such technical characteristic, wherein, blade root compression end
End face and the second transmission rod length direction between angle be 60 °.
The pre-twisted rotating blade assembly tool that the present invention is provided, can also have such technical characteristic, wherein, the first hammer portion
With the first hammering face, first hammering is compressed at end position facing to blade root, and the second hammer portion has the second hammering face, and this
Two hammerings are compressed at end position facing to caulking strip.
The pre-twisted rotating blade assembly tool that the present invention is provided, can also have such technical characteristic, wherein, the first hammering face
Between the length direction of the first transmission rod and being respectively provided with angle between the length direction of the second hammering face and the second transmission rod is
30 ° of angle.
Further, device is assembled present invention also offers a kind of pre-twisted rotating blade, it is characterised in that including：Hanger bracket, has
Base on the ground, the pole being vertically arranged on base and the hanger bar for being horizontally set on pole top are set；Balance
Device, its upper end is suspended in hanger bar by suspension strop；And pre-twisted rotating blade assembly tool, balancer is suspended on by suspension strop
Lower end, wherein, pre-twisted rotating blade assembly tool is pre-twisted rotating blade assembly tool as above described in any one.
The pre-twisted rotating blade assembling device that the present invention is provided, can also have such technical characteristic, wherein, pre-twisted rotating blade dress
Tie point with instrument and suspension strop is at the connecting portion of the first transmission rod and the second transmission rod.
Invention effect and effect
The pre-twisted rotating blade assembling device and instrument provided according to the present invention, due to by caulking strip compression end, blade root compression end
And the structure such as corresponding transmission rod, hammering face all becomes one, therefore it can just complete by an instrument to squeeze into caulking strip
With both operations of hammering blade root, the number of tools that operating personnel need to use in assembling process is reduced so that operating personnel are not
Instrument must be changed repeatedly.Further, the instrument is also suspended in hanger bar by balancer, due to the upward pulling force energy of balancer
Gravity is enough offset, therefore, it is possible to cause the action of operating personnel's rotation twisting leaf assembly tool almost effortless, is operated more light
Pine.
Brief description of the drawings
Fig. 1 is that the pre-twisted rotating blade of the embodiment of the present invention assembles the structural representation of device；
Fig. 2 is the structural representation of the pre-twisted rotating blade assembly tool of the embodiment of the present invention；
Fig. 3 is the partial enlarged drawing of the caulking strip compression end of the embodiment of the present invention；
Fig. 4 is the partial enlarged drawing of the blade root compression end of the embodiment of the present invention.
Embodiment
Illustrate the embodiment of the present invention below in conjunction with accompanying drawing and embodiment.
<Embodiment>
Fig. 1 is that the pre-twisted rotating blade of the embodiment of the present invention assembles the structural representation of device.
As shown in figure 1, pre-twisted rotating blade assembling device 100 include hanger bracket 10, suspension strop 7 and suspension strop 9, balancer 8 with
And pre-twisted rotating blade assembly tool 11.
Hanger bracket 10 includes setting base 10A on the ground, the pole 10B being vertically arranged on base and level to set
Put the hanger bar 10C on pole top.
One end of suspension strop 9 is fixed on hanger bar 10C ends, and the other end is fixed on the upper end of balancer 8, suspension strop 7
One end be fixed on the bottom of balancer 8, the other end is fixed on pre-twisted rotating blade assembly tool 11.Thus, pre-twisted rotating blade is filled
It is hung in instrument 11 via suspension strop 7, balancer 8 and suspension strop 9 on hanger bar 10C.
Fig. 2 is the structural representation of the pre-twisted rotating blade assembly tool of the embodiment of the present invention.
As shown in Fig. 2 the global approximation of pre-twisted rotating blade assembly tool 11 is shaft-like, including caulking strip compression end 1, the first transmission rod
2nd, the first hammer portion 3, the second hammer portion 4, the second transmission rod 5, blade root compression end 6.
As shown in Figures 1 and 2, the first transmission rod 2 is identical with the length direction of the second transmission rod 5, and the two is interconnected,
So that the entirety of pre-twisted rotating blade assembly tool 11 is in shaft-like, the tie point of suspension strop 7 and pre-twisted rotating blade assembly tool 11 is in the middle
At position (i.e. at the link position of the first transmission rod 2 and the second transmission rod 5).
First hammer portion 3 and the second hammer portion 4 are arranged in the bar that the first transmission rod 2 and the second transmission rod 5 are formed
At portion position, respectively positioned at the both sides of the bar.First hammer portion 3 has the first hammering face 3A, and the second hammer portion 4 has the second hammer
Hit face 4A.First hammering face 3A is towards at the position of blade root compression end 6, and the length of the first hammering face 3A and the first transmission rod 2
Direction has certain angle；Second hammering face 4A and the first hammering face 3A direction are on the contrary, i.e. the second hammering face 4A directions are filled out
At gap bar compression end 1, and there is certain angle with the length direction of the second transmission rod 5.In the present embodiment, two angles
Angle be 30 °.
Fig. 3 is the partial enlarged drawing of the caulking strip compression end of the embodiment of the present invention.
As shown in Figures 2 and 3, caulking strip compression end 1 is located at the end of the first transmission rod 2.The end face of caulking strip compression end 1
For caulking strip working face, the caulking strip working face is diameter 4mm semicircle face.
Fig. 4 is the partial enlarged drawing of the blade root compression end of the embodiment of the present invention.
As shown in Figures 2 and 4, blade root compression end 6 is located at the end of the second transmission rod 5.The end face of blade root compression end 6 is leaf
Root compresses working face, and it is inclined-plane that the blade root, which compresses working face, and its angle between the length direction of the second transmission rod 5 is 60 °.
That is, when pre-twisted rotating blade assembly tool 11 is placed vertically make it that the second transmission rod 5 is perpendicular to the ground, blade root compresses working face and ground
The angle in face is 30 °.
The use process of device 100 is assembled below in conjunction with brief description of the drawings pre-twisted rotating blade.
Before use, operating personnel need that pre-twisted rotating blade first is assembled into the position that device 100 is moved to above rotor, then
Assembly manipulation is carried out using pre-twisted rotating blade assembling device 100.
After caulking strip is put into, the hand-holdable pre-twisted rotating blade assembly tool 11 of operating personnel allows caulking strip compression end 1 down simultaneously
It is in contact with caulking strip, then to the second hammering face 4A progress hammering operations, transmission of the hammer force through the first transmission rod 2, finally
Acted on by caulking strip compression end 1 to caulking strip, caulking strip is squeezed into specified location, so that swelling blade.
Completion is squeezed into after the operation of caulking strip, operating personnel can hand steered pre-twisted rotating blade assembly tool 11 rotated, allow leaf
Root compression end 6 then carries out hammering operation, hammer force is through the second power transmission down and with being in contact at blade root to the first hammering face 3A
The transmission of bar 5, is acted on to blade root position by blade root compression end 6, so that the blade root of the movable vane and the leaf of preceding a piece of movable vane
Root is fitted, and completes the assembling of movable vane.
Embodiment is acted on and effect
The pre-twisted rotating blade assembling device and instrument provided according to the present embodiment, due to caulking strip compression end, blade root being compressed
End and the structure such as corresponding transmission rod, hammering face all become one, therefore can just complete by an instrument to squeeze into calking
Bar and both operations of hammering blade root, reduce the number of tools that operating personnel need to use in assembling process so that operating personnel
Instrument need not be changed repeatedly.Further, the instrument is also suspended in hanger bar by balancer, due to the upward pulling force of balancer
Gravity can be offset, therefore, it is possible to cause the action of operating personnel's rotation twisting leaf assembly tool almost effortless, operation is more
Easily.
Claims (7)
1. a kind of pre-twisted rotating blade assembly tool, it is characterised in that including：
First transmission rod；
Second transmission rod, length direction is identical with the length direction of first transmission rod, second transmission rod and described first
Transmission rod connects to form overall shaft-like；
Caulking strip compression end, is arranged on the end of first transmission rod；
Blade root compression end, is arranged on the end of second transmission rod；
First hammer portion, is arranged on the connecting portion side of first transmission rod and second transmission rod；
Second hammer portion is arranged on the connecting portion opposite side of first transmission rod and second transmission rod,
Wherein, the end face of the caulking strip compression end is semicircle face,
There is certain angle between the length direction of the end face of the blade root compression end and second transmission rod.
2. pre-twisted rotating blade assembly tool according to claim 1, it is characterised in that：
Wherein, a diameter of 4mm of the end face of the caulking strip compression end.
3. pre-twisted rotating blade assembly tool according to claim 1, it is characterised in that：
Wherein, the angle between the length direction of the end face of blade root compression end and second transmission rod is 60 °.
4. pre-twisted rotating blade assembly tool according to claim 1, it is characterised in that：
Wherein, first hammer portion has the first hammering face, and first hammering is compressed at end position facing to the blade root,
Second hammer portion has the second hammering face, and second hammering is compressed at end position facing to the caulking strip.
5. pre-twisted rotating blade assembly tool according to claim 4, it is characterised in that：
Wherein, it is described first hammering face and first transmission rod length direction between and it is described second hammering face with it is described
The angle that angle is 30 ° is respectively provided between the length direction of second transmission rod.
6. a kind of pre-twisted rotating blade assembles device, it is characterised in that including：
Hanger bracket, with setting base on the ground, the pole being vertically arranged on base and be horizontally set on pole top
The hanger bar at end；
Balancer, its upper end is suspended in the hanger bar by suspension strop；And
Pre-twisted rotating blade assembly tool, the lower end of the balancer is suspended on by suspension strop,
Wherein, the pre-twisted rotating blade assembly tool is such as pre-twisted rotating blade assembly tool according to any one of claims 1 to 5.
7. pre-twisted rotating blade according to claim 6 assembles device, it is characterised in that：
Wherein, the tie point of the pre-twisted rotating blade assembly tool and the suspension strop passes for first transmission rod with described second
At the connecting portion of power bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411785.5A CN107060895B (en) | 2017-06-05 | 2017-06-05 | Pre-twisted rotating blade assembly tool and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411785.5A CN107060895B (en) | 2017-06-05 | 2017-06-05 | Pre-twisted rotating blade assembly tool and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060895A true CN107060895A (en) | 2017-08-18 |
| CN107060895B CN107060895B (en) | 2019-01-01 |
Family
ID=59616411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710411785.5A Expired - Fee Related CN107060895B (en) | 2017-06-05 | 2017-06-05 | Pre-twisted rotating blade assembly tool and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060895B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3124215A1 (en) * | 2021-06-22 | 2022-12-23 | Safran Aircraft Engines | METHOD FOR RE-ENGAGING FOILERS FOR TURBOMACHINE BLADE AND DEVICE FOR REENGAGING A FOILER |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463812A (en) * | 1992-11-19 | 1995-11-07 | Man Gutehoffnungshutte Ag | Process for tensioning and loosening tension rods in multicomponent, assembled gas turbine rotors |
| WO2005054631A1 (en) * | 2003-12-04 | 2005-06-16 | Korea Western Power Co., Ltd | Separator for removing a rotary blade of gas turbine |
| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| CN102744441A (en) * | 2011-04-19 | 2012-10-24 | 通用电气公司 | System and method for modifying a rotor |
| CN104285041A (en) * | 2012-06-15 | 2015-01-14 | 三菱日立电力系统株式会社 | Blade root spring insertion tool and blade root spring insertion method |
-
2017
- 2017-06-05 CN CN201710411785.5A patent/CN107060895B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463812A (en) * | 1992-11-19 | 1995-11-07 | Man Gutehoffnungshutte Ag | Process for tensioning and loosening tension rods in multicomponent, assembled gas turbine rotors |
| WO2005054631A1 (en) * | 2003-12-04 | 2005-06-16 | Korea Western Power Co., Ltd | Separator for removing a rotary blade of gas turbine |
| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| CN102744441A (en) * | 2011-04-19 | 2012-10-24 | 通用电气公司 | System and method for modifying a rotor |
| CN104285041A (en) * | 2012-06-15 | 2015-01-14 | 三菱日立电力系统株式会社 | Blade root spring insertion tool and blade root spring insertion method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107060895B (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107060895A (en) | Pre-twisted rotating blade assembly tool and device | |
| CN106286119B (en) | A kind of device that can automatically adjust wind energy conversion system flexible blade rigidity | |
| CN105964855A (en) | Spring lever type hammering machine | |
| CN105320792B (en) | A method of solving impeller of wind turbine set imbalance fault | |
| CN203756433U (en) | Vertical axis blade device for offshore wind power | |
| CN107939275B (en) | Puncher is used in a kind of construction of electric power cement pole | |
| CN207560815U (en) | A kind of multi-functional picker for dragon fruit | |
| CN208456760U (en) | A kind of novel door brake style water energy power turbine | |
| CN208273626U (en) | Labor-saving portable formula cherry harvesting device | |
| CN207480624U (en) | A kind of electromagnet draws the elastic device of bearing | |
| CN107471101A (en) | A kind of building-supporting steel duct derusting brush head | |
| CN206448850U (en) | A kind of steam turbine pre-twisted rotating blade piece caulking strip auxiliary installation device | |
| CN207315451U (en) | A kind of efficient turbine blade | |
| CN207464815U (en) | A kind of non-ferrous alloy patterning apparatus with waste residue collecting function | |
| CN209533253U (en) | A kind of roll end cap makes pin device | |
| CN209234165U (en) | A kind of ganoderma lucidum plantation rake that loosens the soil | |
| CN206827898U (en) | Steam turbine cylinder installation equipment | |
| CN107243734B (en) | Antioverloading formula Steam Turbines assemble percussion mechanism | |
| CN107448355A (en) | A kind of wind power generation plant for exporting torque machine energy | |
| CN207415109U (en) | A kind of building-supporting steel duct derusting brush head | |
| CN207415274U (en) | A kind of bearing Mounting device | |
| CN207543870U (en) | A kind of portable reciprocal root-cutting machine | |
| CN205253976U (en) | Traditional thread binding putting of laborsaving steel strand wires laos | |
| CN207373100U (en) | A kind of electrical perforating device | |
| CN108207182A (en) | A kind of vane type cavitation device and cavitation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210605 |