CN107060895B - Pre-twisted rotating blade assembly tool and device - Google Patents
Pre-twisted rotating blade assembly tool and device Download PDFInfo
- Publication number
- CN107060895B CN107060895B CN201710411785.5A CN201710411785A CN107060895B CN 107060895 B CN107060895 B CN 107060895B CN 201710411785 A CN201710411785 A CN 201710411785A CN 107060895 B CN107060895 B CN 107060895B
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- CN
- China
- Prior art keywords
- transmission rod
- rotating blade
- face
- twisted rotating
- blade assembly
- 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.)
- Expired - Fee Related
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention provides a kind of pre-twisted rotating blade assembly tools characterized by comprising the first transmission rod；Second transmission rod, length direction is identical as the length direction of the first transmission rod, second transmission rod connect with the first transmission rod to be formed it is whole rod-shaped；The end of the first transmission rod is arranged in caulking strip compression end；The end of the second transmission rod is arranged in blade root compression end；The connecting portion side of the first transmission rod and the second transmission rod is arranged in first hammer portion；The connecting portion other side of the first transmission rod and the second transmission rod is arranged in second hammer portion, 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, are related to a kind of pre-twisted rotating blade assembly tool and the dress containing the tool
It sets.
Background technique
Steam turbine is a kind of dynamic power machine for converting steam power to rotating mechanical energy, mainly by stator and rotor structure
At.Wherein, rotor rotation under high-temperature steam drive is the important composition part in steam turbine to drive main shaft to rotate.
The movable vane that the rotor of steam turbine generally comprises the impeller being mounted on main shaft and is mounted on impeller.Impeller is equipped with
The leaf slot of multiple axial alignments along rotor, for installing movable vane.Movable vane has different shapes, and currently used is root position
Set the T-type root movable vane of (i.e. blade root) shape in T shape.Wherein, pretwist T-type root movable vane (hereinafter referred to as pre-twisted rotating blade) is among blade
The T-type root movable vane of body section parallelogram, there is good application prospect in 1,011,000 steam turbines.
Under normal conditions, it when movable vane is installed needs that first movable vane is placed in leaf slot, then to movable vane blade root and leaf slot slot bottom
Between squeeze into caulking strip with swelling blade, then also needing to hammer blade root is bonded it with the blade root of preceding a piece of movable vane.
Since pre-twisted rotating blade has more special contour structures, when assembly, is difficult to using automation equipment, therefore its dozen
The operation for entering caulking strip and hammering blade root relies primarily on operator and carries out manually.When squeezing into caulking strip, operator needs
Cooperate fullering tool with caulking strip compaction tool, after the completion of caulking strip is squeezed into, operator needs to put down tool again, fetches leaf
Root compaction tool, then cooperate fullering tool with blade root compaction tool to complete the operation of hammering blade root.That is, operator
It needs to replace different tools repeatedly when carrying out and squeezing into caulking strip and hammering blade root operation, so that operating process is very complicated.
Also, the movement that the tools weight such as blade root compaction tool, fullering tool is larger, repeatedly picks up these tools, puts down is also very
Expend physical strength.
Summary of the invention
To solve the above problems, without picking up the pre-twisted rotating blade assembler for putting down different tools repeatedly when providing a kind of use
Tool, present invention employs following technical solutions:
The present invention provides a kind of pre-twisted rotating blade assembly tools characterized by comprising the first transmission rod；Second power transmission
Bar, length direction is identical as the length direction of the first transmission rod, which connect to form integral stem with the first transmission rod
Shape；The end of the first transmission rod is arranged in caulking strip compression end；The end of the second transmission rod is arranged in blade root compression end；First
The connecting portion side of the first transmission rod and the second transmission rod is arranged in hammer portion；Second hammer portion is arranged in the first transmission rod
With the connecting portion other 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 face and the length direction of the second transmission rod.
Pre-twisted rotating blade assembly tool provided by the invention, can also have such technical characteristic, wherein caulking strip compresses
The diameter of the end face at end is 4mm.
Pre-twisted rotating blade assembly tool provided by the invention, can also have such technical characteristic, wherein blade root compression end
End face and the second transmission rod length direction between angle be 60 °.
Pre-twisted rotating blade assembly tool provided by the invention, can also have such technical characteristic, wherein the first hammer portion
With the first hammering face, which compresses at end position facing towards blade root, and the second hammer portion has the second hammering face, this
Two hammerings compress at end position facing towards caulking strip.
Pre-twisted rotating blade assembly tool provided by the invention, can also have such technical characteristic, wherein the first hammering face
Between the length direction of the first transmission rod and all having angle between the second hammering face and the length direction of the second transmission rod is
30 ° of angle.
Further, the present invention also provides a kind of pre-twisted rotating blades to assemble device characterized by comprising hanger bracket has
Pedestal on the ground is set, the strut that is vertically arranged on pedestal and the hanger bar for being horizontally set on strut top；Balance
Device, the upper end are suspended in hanger bar by the first suspension strop；And pre-twisted rotating blade assembly tool, it is hung by the second suspension strop
In the lower end of balancer, wherein pre-twisted rotating blade assembly tool is the pre-twisted rotating blade assembly tool of as above any one.
Pre-twisted rotating blade provided by the invention assembles device, can also have such technical characteristic, wherein pre-twisted rotating blade dress
Tie point with tool and the second suspension strop is at the connecting portion of the first transmission rod and the second transmission rod.
Invention action and effect
The pre-twisted rotating blade assembly device and tool provided according to the present invention, due to by caulking strip compression end, blade root compression end
And the structures such as corresponding transmission rod, hammering face all become one, therefore can complete to squeeze into caulking strip by a tool
With both operations of hammering blade root, reducing operator in assembling process needs number of tools to be used, so that operator is not
Tool must be replaced repeatedly.Further, which also passes through balancer and is suspended in hanger bar, due to the upward pulling force energy of balancer
Gravity is enough offset, therefore the movement for enabling to operator to rotate twisting leaf assembly tool is almost effortless, operates more light
Pine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pre-twisted rotating blade assembly device of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the pre-twisted rotating blade assembly tool of the embodiment of the present invention；
Fig. 3 is the partial enlarged view of the caulking strip compression end of the embodiment of the present invention；
Fig. 4 is the partial enlarged view of the blade root compression end of the embodiment of the present invention.
Specific embodiment
Illustrate a specific embodiment of the invention below in conjunction with attached drawing and embodiment.
<embodiment>
Fig. 1 is the structural schematic diagram of the pre-twisted rotating blade assembly device of the embodiment of the present invention.
As shown in Figure 1, pre-twisted rotating blade assembly device 100 includes hanger bracket 10, the second suspension strop 7 and the first suspension strop 9, puts down
Weighing apparatus 8 and pre-twisted rotating blade assembly tool 11.
Hanger bracket 10 includes that setting pedestal 10A on the ground, the strut 10B being vertically arranged on pedestal and level are set
Set the hanger bar 10C on strut top.
One end of first suspension strop 9 is fixed on the end hanger bar 10C, and the other end is fixed on the upper end of balancer 8, and second
One end of suspension strop 7 is fixed on the lower end of balancer 8, and the other end is fixed on pre-twisted rotating blade assembly tool 11.Pretwist as a result,
Rotating blade assembly tool 11 is hung on hanger bar 10C via the second suspension strop 7, balancer 8 and the first suspension strop 9.
Fig. 2 is the structural schematic diagram of the pre-twisted rotating blade assembly tool of the embodiment of the present invention.
As shown in Fig. 2, 11 global approximation of pre-twisted rotating blade assembly tool is rod-shaped, including caulking strip compression end 1, the first transmission rod
2, 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 interconnects,
So that pre-twisted rotating blade assembly tool 11 is whole in the shape of a rod, the tie point of the second suspension strop 7 and pre-twisted rotating blade assembly tool 11 is at it
At medium position (i.e. at the link position of the first transmission rod 2 and the second transmission rod 5).
The first transmission rod 2 is arranged in first hammer portion 3 and the second hammer portion 4 and the second transmission rod 5 is formed by bar
At portion position, it is located at the two 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 1 position of caulking strip compression end, and the length of first hammering face 3A and the first transmission rod 2
Spending direction has certain angle；The direction of second hammering face 4A and the first hammering face 3A are on the contrary, be the second hammering face 4A direction
At 6 position of blade root compression end, and there is certain angle with the length direction of the second transmission rod 5.In the present embodiment, this two
The angle of angle is 30 °.
Fig. 3 is the partial enlarged view 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, which is the semicircle face of diameter 4mm.
Fig. 4 is the partial enlarged view 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 60 ° which, which compresses angle of the working face between inclined-plane, and the length direction of the second transmission rod 5,.
That is, blade root compresses working face and ground when pre-twisted rotating blade assembly tool 11 is placed so that the second transmission rod 5 is perpendicular to the ground vertically
The angle in face is 30 °.
Below in conjunction with the use process of Detailed description of the invention pre-twisted rotating blade assembly device 100.
Before use, operator needs that pre-twisted rotating blade assembly device 100 is first moved to the position above rotor, then
Assembly manipulation is carried out using pre-twisted rotating blade assembly device 100.
After caulking strip is put into, the hand-holdable pre-twisted rotating blade assembly tool 11 of operator, allow caulking strip compression end 1 downward simultaneously
Be in contact with caulking strip, then to second hammering face 4A carry out hammering operation, transmitting of the hammer force through the first transmission rod 2, finally
By caulking strip being squeezed into designated position, thus swelling blade in the effect to caulking strip of caulking strip compression end 1.
After the operation of caulking strip is squeezed into completion, operator can hand steered pre-twisted rotating blade assembly tool 11 rotated, allow leaf
Root compression end 6 downward and be in contact at blade root, then to first hammering face 3A carry out hammering operation, hammer force is through the second power transmission
The transmitting of bar 5, at the effect to blade root position of blade root compression end 6, to make the blade root of the movable vane and the leaf of preceding a piece of movable vane
Root fitting, completes the assembly of movable vane.
Embodiment action and effect
Device and tool are assembled according to pre-twisted rotating blade provided in this embodiment, due to compressing caulking strip compression end, blade root
The structures such as end and corresponding transmission rod, hammering face all become one, therefore can complete to squeeze into calking by a tool
Item and both operations of hammering blade root, reducing operator in assembling process needs number of tools to be used, so that operator
Tool need not be replaced repeatedly.Further, which also passes through balancer and is suspended in hanger bar, due to the upward pulling force of balancer
Gravity can be offset, therefore the movement for enabling to operator to rotate twisting leaf assembly tool is almost effortless, operation is more
Easily.
Claims (5)
1. a kind of pre-twisted rotating blade assembly tool characterized by comprising
First transmission rod；
Second transmission rod, length direction is identical as the length direction of first transmission rod, second transmission rod and described first
Transmission rod connect to be formed it is whole rod-shaped；
The end of first transmission rod is arranged in caulking strip compression end；
The end of second transmission rod is arranged in blade root compression end；
The connecting portion side of first transmission rod Yu second transmission rod is arranged in first hammer portion, has the first hammer
Face is hit, which compresses at end position facing towards the caulking strip；
The connecting portion other side of first transmission rod Yu second transmission rod is arranged in second hammer portion, has the second hammer
Face is hit, which compresses at end position facing towards the blade root,
Wherein, the end face of the caulking strip compression end is semicircle face,
There is certain angle between the end face of the blade root compression end and the length direction of second transmission rod,
Between the first hammering face and the length direction of the first transmission rod and second hammering face and described second
The angle that angle is 30 ° is all had between the length direction of transmission rod.
2. pre-twisted rotating blade assembly tool according to claim 1, it is characterised in that:
Wherein, the diameter of the end face of the caulking strip compression end is 4mm.
3. pre-twisted rotating blade assembly tool according to claim 1, it is characterised in that:
Wherein, the angle between the end face of blade root compression end and the length direction of second transmission rod is 60 °.
4. a kind of pre-twisted rotating blade assembles device characterized by comprising
Hanger bracket with the pedestal being arranged on the ground, the strut being vertically arranged on pedestal and is horizontally set on strut top
The hanger bar at end；
Balancer, the upper end are suspended in the hanger bar by the first suspension strop；And
Pre-twisted rotating blade assembly tool is suspended on the lower end of the balancer by the second suspension strop, wherein the pre-twisted rotating blade dress
It is pre-twisted rotating blade assembly tool according to any one of claims 1 to 3 with tool.
5. pre-twisted rotating blade according to claim 4 assembles device, it is characterised in that:
Wherein, the tie point of the pre-twisted rotating blade assembly tool and second suspension strop is first transmission rod and described the
At the connecting portion of two transmission rods.
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 CN107060895A (en) | 2017-08-18 |
| CN107060895B true 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) |
Cited By (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN107060895A (en) | 2017-08-18 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |