CN209698387U - A kind of TRT rotor blade taking-up blading - Google Patents
A kind of TRT rotor blade taking-up blading Download PDFInfo
- Publication number
- CN209698387U CN209698387U CN201920469601.5U CN201920469601U CN209698387U CN 209698387 U CN209698387 U CN 209698387U CN 201920469601 U CN201920469601 U CN 201920469601U CN 209698387 U CN209698387 U CN 209698387U
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- blade
- trt
- rotor blade
- pressing plate
- blading
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Abstract
The utility model discloses a kind of TRT rotor blades to take out blading, is related to machinery manufacturing technology field.The TRT rotor blade takes out blading, including pressing plate, is welded with blade below the pressing plate, weld seam is provided between the pressing plate and blade, the two sides of the pressing plate bottom are provided with hydraulic top.The TRT rotor blade takes out blading, for current convention rotor movable vane piece removing method the problem of TRT rotor blade takes out process, it formulates a set of TRT rotor blade removing method and is implemented, so as to shorten rotor blade take-off time, reduce labor intensity of workers, it improves labor efficiency, rehabilitation expense is reduced, the relative dimensions parameter of TRT rotor and performance indicator is made to reach former design requirement, is produced for rationally group and provides guarantee.
Description
Technical field
The utility model relates to machinery manufacturing technology field, specially a kind of TRT rotor blade takes out blading.
Background technique
TRT, that is, blast furnace coal gas residual pressure recovery turbine power generation set, TRT be the pressure energy having using top gas and
Thermal energy makes coal gas, come driven generator power generation, carry out a kind of device of energy regenerating by turbo-expander acting, when work,
Blast furnace gas draws acting, and is converted into kinetic energy effect and movable vane, rotates entire turbine rotor, rotor is driven by shaft coupling
Engine is rotated together and is generated electricity.Turbine host mainly holds cylinder by casing, rotor, blade, adjusts cylinder and its regulating mechanism, axis
The components such as envelope, bearing, bearing housing, shaft coupling, pedestal composition, complete machine use subdivision structure, and rotor is uniform internal diameter.
Rotor is rigid rotator, is made of movable vanes at different levels, spacer, main shaft etc., main shaft using high-alloy steel solid forging,
Precision Machining forms, and blade is along the circumferential direction packed into tree-like blade root slot, is positioned between two blades with spacer, two-stage movable vane piece
It is processed using stainless steel forgings blank, blade face specially treated, using dedicated blade profile, due to containing dust in TRT medium, blade is easy
Abrasion, in addition, be used for a long time, blade also can fatigue fracture, TRT after a period of use, need the blade that will damage disassembly under
To carry out whole replacements.
Since TRT revolving speed is high, main shaft required precision is high, and movable vane piece is fixed on rotor using taper bolt, using taper bolt
Positioning connection, self-locking performance is good, and positioning accuracy is high, and the influence to positioning accuracy is smaller, and in actual use, movable vane piece is due to loaded
Deformation and original assembly the factors such as are pressed into using hydraulic, dismantle it is extremely difficult, using conventional blade withdrawing device or weight
The unsuitable rotor blade removing methods herein such as impingement method is split out and machining process is removed.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of TRT rotor blade taking-up blading, solves
In actual use, movable vane piece using hydraulic the factors such as is pressed into due to loaded deformation and original assembly, dismantle it is extremely difficult,
It is split out using conventional blade withdrawing device or weight impingement method and the unsuitable rotors herein such as machining process is removed
The problem of movable vane piece removing method.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of TRT rotor blade takes
Blading out, including pressing plate are welded with blade below the pressing plate, weld seam, institute are provided between the pressing plate and blade
The two sides for stating pressing plate bottom are provided with hydraulic top.
(3) beneficial effect
The utility model provides a kind of TRT rotor blade taking-up blading.Have following the utility model has the advantages that the TRT
Rotor blade takes out blading, takes out process in TRT rotor blade for current convention rotor movable vane piece removing method
The problem of, it formulates a set of TRT rotor blade removing method and is implemented, when so as to shorten rotor blade taking-up
Between, reduce labor intensity of workers, improve labor efficiency, reduce rehabilitation expense, refer to the relative dimensions parameter of TRT rotor and performance
Mark reaches former design requirement, produces for rationally group and provides guarantee.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that TRT rotor blade takes out blading；
Fig. 2 is TRT rotor schematic three dimensional views.
In figure: 1, pressing plate；2, blade；3, weld seam；4, hydraulic top.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of TRT rotor blade taking-up blading,
Including pressing plate 1, the lower section of pressing plate 1 is welded with blade 2, and weld seam 3, the two sides of 1 bottom of pressing plate are provided between pressing plate 1 and blade 2
It is provided with hydraulic top 4.
A kind of TRT rotor blade removing method, including TRT rotor blade take out blading, using following steps:
S1, apparatus for placing prepare: welding for steel structure being fabricated to the device of horizontal positioned TRT rotor, is guaranteed horizontal positioned
TRT rotor can be rotated in disassembly positioning transformations attachment pegs with 360 °；
S2, tool prepare: it is hydraulic to prepare HT400D Digital Control contravariant craft DC welder, A207 welding rod, 50T
(auxiliary equipment includes: angle grinder, file, hand hammer, flat chisel, coloured eye for fixed, oxy-acetylene full set heating device and auxiliary equipment
Mirror, copper needle, gloves, magnifying glass, loosening agent, steel seal code, monkey spanner and steel pressing plate)；
S3, rotor blade are removed: TRT rotor is lain in a horizontal plane in can be torn open on rotating device by welding for steel structure production
Do sequence steel seal code labeling on rotor blade before point, guarantee blade and the same position of spacer (point I on a TRT rotor,
II grade blade, every grade has 30 blades, 60 positioning attachment pegs, after carrying out position mark on rotor, according to what is assembled in the past
Sequence finds out the blade finally assembled, the last one rotor blade passes through remaining fit-up gap size, balance requires and with
Two sides blade precision assembly)；
S4, cleaning rotor surface: confirm that 60 all positioning attachment pegs are all taken out, then loosening agent impregnates blade root
Portion gap, first blade to be taken out is lain in a horizontal plane in by TRT rotor being capable of rotating device by welding for steel structure production
On turn at 3 points of beginning clock or 9 points；
S5, take out blade: preparing TRT rotor blade taking-up blading, (major weld process is as follows: selecting A207 low
Hydrogen coating stainless steel electrode, weld metal have good anti-corrosion, heat-resisting and cracking resistance, DC reverse connection, deposition gold
Belong to mechanical property (tensile strength MPa >=520), using HT400D Digital Control contravariant craft DC welder, by 2 He of blade
φ 4.0mm welding rod, 140~180A of electric current, weldering before welding are selected in the symmetric angle weld seam 3 that pressing plate 1 is constituted, two welding machine built-up welding simultaneously
Item must dry 300 ° 1 hour before)；
Pressing plate 1 is connected by weld seam 3 on blade 2, it is full in order to reach blade 2 and 1 dissimilar metal welding line of pressing plate, 3 intensity
Sufficient hydraulic device takes out the pulling force of blade 2；
Without filths such as iron rust, greasy dirts, when welding, keeps low current, short arc, multilayer for rotor washing movable vane piece 2 and pressing plate 1
Multi-pass welding, foot welding height >=2/3 blade tip thickness surface weld scarfing cinder and are adopted after the completion of welding using angle grinder reconditioning is flat
With magnifying glass, surface coloration detection weld seam without the welding defects such as any crackle, stomata, incomplete fusion, lack of penetration after, under pressing plate 1
Hydraulic top 4 is installed in face, and two hydraulic tops 4 must be symmetrically placed in 2 two sides of blade, and leaves 2 lower bottom base 15~20mm of blade, and two
It is 40 megapascal that side applies pressure simultaneously, using oxy-acetylene full set heating device, heats rotor surface, is finally tapped using sledgehammer
1 top of pressing plate hears that sound smoothly takes out rotor blade 2.
In conclusion the TRT rotor blade takes out blading, exist for current convention rotor movable vane piece removing method
TRT rotor blade takes out the problem of process, formulates a set of TRT rotor blade removing method and is implemented, from
And shorten rotor blade take-off time, reduce labor intensity of workers, it improves labor efficiency, reduces rehabilitation expense, make TRT rotor
Relative dimensions parameter and performance indicator reach former design requirement, for rationally group produce provide guarantee.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (1)
1. a kind of TRT rotor blade takes out blading, it is characterised in that: including pressing plate (1), the lower section of the pressing plate (1)
It is welded with blade (2), is provided with weld seam (3) between the pressing plate (1) and blade (2), the two sides of pressing plate (1) bottom are all provided with
It is equipped with hydraulic top (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469601.5U CN209698387U (en) | 2019-04-09 | 2019-04-09 | A kind of TRT rotor blade taking-up blading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469601.5U CN209698387U (en) | 2019-04-09 | 2019-04-09 | A kind of TRT rotor blade taking-up blading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209698387U true CN209698387U (en) | 2019-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920469601.5U Active CN209698387U (en) | 2019-04-09 | 2019-04-09 | A kind of TRT rotor blade taking-up blading |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834452A (en) * | 2019-04-09 | 2019-06-04 | 安徽马钢设备检修有限公司 | A kind of TRT rotor blade removing method and its device |
-
2019
- 2019-04-09 CN CN201920469601.5U patent/CN209698387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834452A (en) * | 2019-04-09 | 2019-06-04 | 安徽马钢设备检修有限公司 | A kind of TRT rotor blade removing method and its device |
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