CN205363102U - A blade blade root location structure for turbine blade laser cladding - Google Patents

A blade blade root location structure for turbine blade laser cladding Download PDF

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Publication number
CN205363102U
CN205363102U CN201521124537.5U CN201521124537U CN205363102U CN 205363102 U CN205363102 U CN 205363102U CN 201521124537 U CN201521124537 U CN 201521124537U CN 205363102 U CN205363102 U CN 205363102U
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CN
China
Prior art keywords
blade root
base plate
blade
support
connecting plate
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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.)
Withdrawn - After Issue
Application number
CN201521124537.5U
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Chinese (zh)
Inventor
章奇
董欣欣
王成富
汤先辉
王进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Turbine Blade Co Ltd
Original Assignee
Wuxi Turbine Blade Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Turbine Blade Co Ltd filed Critical Wuxi Turbine Blade Co Ltd
Priority to CN201521124537.5U priority Critical patent/CN205363102U/en
Application granted granted Critical
Publication of CN205363102U publication Critical patent/CN205363102U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a blade blade root location structure for turbine blade laser cladding, it can solve the poor problem of current blade root location structure commonality to reduce the frock cost. It includes the support, and blade root location structure and leaf top top structure are installed respectively to the both ends of support, leaf top top structure include top support with top, top support mounting in the medial surface of support, toply install in top support its characterized in that: blade root location structure includes bottom plate and bottom plate connecting plate, the bottom plate connecting plate is movably install in on the support, the bottom plate rotationally install in on the bottom plate connecting plate, bottom plate central authorities are equipped with the centre bore, and competent keyway is driven to the bilateral symmetry of centre bore, installs blade root axial positioning piece in the horizontal keyway, and blade root axial positioning seat is equipped with admittedly to the bottom of bottom plate, install in the blade root locating piece dorsad on the blade root axial positioning seat, install blade root side location on the side end face of bottom plate.

Description

A kind of blade root location structure for turbine blade laser melting coating
Technical field
This utility model relates to the frock clamp field of turbine Blade Machining, is specially a kind of blade root location structure for turbine blade laser melting coating.
Background technology
The working area of exhaust stage blade is wet-steam region, humidity is 9%~14%, and exhaust stage blade circular velocity is at more than 300m/s, owing to carrying substantial amounts of water droplet in steam flow, thus under significantly high rim velocity and centrifugal action, it is easy to make vane tip leading edge produce water erosion.The water erosion of steam turbine particularly large steam turbine exhaust stage blade, not only damages the stage efficiency of steam turbine, and the safety of serious harm unit.
Laser melting coating is adopted to be applied to the batch production of exhaust stage blade as a kind of relatively advanced effective anti-water erosion intensifying method at present.During blade laser melting coating, blade root profile of tooth is not yet processed, and blade root 51 is processed as blade root technique lug, and blade profile is the state of rough milling, and processing has cladding groove 52 on blade profile, as shown in Figure 5.Need that when blade is carried out laser melting coating blade is carried out clamping to fix, it is that positioning datum carries out Set and Positioning generally by blade root technique lug and leaf top centre bore, then hold tightly blade profile in blade laser melting coating profile region again to prevent the blade profile when laser melting coating from deformation occurring, first by blade root location structure, blade root technique lug is carried out axially during its Leaf clamping, in blade root dorsad and the location of blade root side, then held out against leaf top centre bore by leaf top top tip structure again;And its blade root location structure is fixed structure in existing blade fixture device, it be cannot be carried out regulating by the length of different leaves, different blade root size, therefore poor universality, frock cost is high.
Summary of the invention
For the problems referred to above, this utility model provides a kind of blade root location structure for turbine blade laser melting coating, and it can solve the problem of existing blade root location structure poor universality, thus reducing frock cost.
nullA kind of blade root location structure for turbine blade laser melting coating,It includes support,The two ends of described support are separately installed with blade root location structure and leaf top top tip structure,Described leaf top top tip structure includes tip holder with top,Described tip holder is installed on the inner side end of support,Top it is installed on tip holder,It is characterized in that: described blade root location structure includes base plate and base plate connecting plate,Described base plate connecting plate is slidably mounted on described support,Described base plate is rotatably installed on described base plate connecting plate,Described base plate central authorities are provided with centre bore,The lateral symmetry of described centre bore has horizontal keyway,The axial locating piece of blade root is installed in described horizontal keyway,The bottom of described base plate is fixed with the axial positioning seat of blade root,The axial positioning seat of described blade root is provided with in blade root locating piece dorsad,One side end face of described base plate is provided with location, blade root side.
Further, the upper and lower end of the one side of described base plate connecting plate is respectively equipped with open slot, the open side of described open slot is closed by slide cover and described slide cover is installed on described base plate connecting plate, the bottom support bar of described support, top supporting rod extend through in the open slot of the upper and lower end of described base plate connecting plate, and the bottom support bar of described support, top supporting rod respectively and hold out against locating piece by lateral bolt between each self-corresponding slide cover.
Further, described base plate is rotatably connected by described centre bore and described base plate connecting plate by the first bearing pin, described base plate is additionally provided with the arc turning slot being the center of circle with described centre bore, by the first tight fixed bolt by described arc turning slot fastening location between described base plate and base plate connecting plate.
Having the beneficial effects that of this utility model clamping device: it is slidably mounted on support by base plate connecting plate, it is achieved whole blade root location structure can be adjusted according to the positioning requirements of different leaves length fins;By base plate being rotatably installed on base plate connecting plate, ensure the adjustable of base plate angle, by arranging horizontal keyway on base plate and being movably provided with in this horizontal keyway by axial for blade root locating piece to realize regulating according to different leaves blade root width the purpose of axial position location, in addition its by the axial positioning seat of blade root with in blade root dorsad locating piece coordinate and carry out the location that blade root is axial, thus adapting to the positioning requirements that its blade root technological datum of different leaves is different from the distance of root center;Because drawing, this utility model device can adapt to the positioning requirements of different size blade, its highly versatile, can be substantially reduced the frock manufacture of enterprise, maintenance cost.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of a kind of blade root location structure for turbine blade laser melting coating of this utility model;
Fig. 2 is that the P-P of Fig. 1 is to structural representation;
Fig. 3 is the plan structure schematic diagram of Fig. 1;
Fig. 4 adopts this utility model for the use view of the blade fixture of the blade root location structure of turbine blade laser melting coating;
Fig. 5 is the blade schematic diagram treating Laser Cladding Treatment.
Accompanying drawing labelling: 10-blade root location structure;11-base plate connecting plate;110-the first tight fixed bolt;111-open slot;12-base plate;121-centre bore;The horizontal keyway of 122-;123-arc turning slot;The axial locating piece of 13-blade root;The axial positioning seat of 14-blade root;Locating piece dorsad in 15-blade root;16-blade root side locating piece;17-slide cover;The lateral bolt of 18-;19-the first bearing pin;20-blade cladding area profile clasping structure;30-leaf top top tip structure;31-tip holder;32-is top;40-support;41-bottom support bar;42-top supporting rod;50-blade;51-blade root;52-blade profile cladding groove;The axial gap of 53-blade root.
Detailed description of the invention
See Fig. 1~Fig. 4, a kind of blade root location structure for turbine blade laser melting coating of this utility model, it includes support 40, the two ends of support 40 are separately installed with blade root location structure 10 and leaf top top tip structure 30, leaf top top tip structure 30 includes tip holder 31 and top 32, tip holder 31 is installed on the inner side end of support 40, and top 32 are installed on tip holder 11;Blade root positioning compression structure 10 includes base plate 12 and base plate connecting plate 11, base plate connecting plate 11 is slidably mounted on support 40, base plate 12 is rotatably installed on base plate connecting plate 11, base plate 12 central authorities are provided with centre bore 121, the lateral symmetry of centre bore 121 has horizontal keyway 122, the axial locating piece 13 of blade root is installed in horizontal keyway 12, the bottom of base plate 12 is fixed with the axial positioning seat 14 of blade root, the axial positioning seat 14 of blade root is provided with in blade root locating piece 15 dorsad, wherein in blade root, back of the body direction locating piece 15 need to carry out supporting customization for the distance of different leaves technological datum to root center, one side end face of base plate 12 is provided with blade root side locating piece 16;
The one side of base plate connecting plate 11 upper, lower end is respectively equipped with open slot 111, the open side of open slot is closed by slide cover 17 and slide cover 17 is installed on base plate connecting plate 11, the bottom support bar 41 of support 40, top supporting rod 42 extends through the upper of base plate connecting plate, in the open slot 111 of lower end, and the bottom support bar 41 of support 40, top supporting rod 42 respectively and holds out against location by lateral bolt 18 between each self-corresponding slide cover 17, thus whole blade root positioning compression structure can move adjustment along support 40, thus adapting to the positioning compression to various deviated splitter vanes.
Base plate 12 is rotatably connected by centre bore 121 and base plate 12 connecting plate by the first bearing pin 19, base plate 12 is additionally provided with the arc turning slot 123 being the center of circle with centre bore 121, between base plate 12 and base plate connecting plate 11, is fastened location by the first tight fixed bolt 110 by arc turning slot 123.
The process that adopt this utility model adjustable clamp device clamping blade is detailed below: first connected in the two ends of this utility model grip device and lathe, in blade root back of the body direction locating piece 15 and blade root positioning seat 14 with the use of, thus back of the body direction in positioning blade root technique lug;Then, the axial locating piece of blade root 13 position in horizontal keyway 122 is moved so that the axial gap 53 of the axial locating piece 13 locating blades blade root of blade root;Blade root side locating piece 16 according to blade root width adjustment thus positioning blade root side;Rotating bottom board 12 again, make the cladding groove place profile can just to laser head;Movable base plate connecting plate 11 on support 40, is positioned on top the 15 of tip holder 16 by the centre bore of vane tip, complete blade to determining clamping;nullThen regulate blade cladding area profile clasping structure 20 and compress blade cladding groove region profile,First pass through adjustment gripper shoe slide block 23 to drive the profile clamping brace plate 21 position on the bottom support bar 41 of support,Make fixing seat 22 correspondence of cylinder in blade cladding groove region profile,Profile clamping brace plate 21 adjusts the position of the fixing seat 22 of cylinder thus adapting to the stroke of cylinder,And ensure that Automatic adjusument pressure head 224 can compress profile,Need to adjust cylinder fixed support 222 if desired and fix height and the anglec of rotation of seat 221 at cylinder,Make Automatic adjusument pressure head 224 normal orientation can compress profile,After Automatic adjusument pressure head 224 finds suitable pressure point position,Start cylinder hand-operated valve 225,Cylinder drives Automatic adjusument pressure head 224 to compress profile,Complete the compression work to profile.

Claims (3)

  1. null1. the blade root location structure for turbine blade laser melting coating,It includes support,The two ends of described support are separately installed with blade root location structure and leaf top top tip structure,Described leaf top top tip structure includes tip holder with top,Described tip holder is installed on the inner side end of support,Top it is installed on tip holder,It is characterized in that: described blade root location structure includes base plate and base plate connecting plate,Described base plate connecting plate is slidably mounted on described support,Described base plate is rotatably installed on described base plate connecting plate,Described base plate central authorities are provided with centre bore,The lateral symmetry of described centre bore has horizontal keyway,The axial locating piece of blade root is installed in described horizontal keyway,The bottom of described base plate is fixed with the axial positioning seat of blade root,The axial positioning seat of described blade root is provided with in blade root locating piece dorsad,One side end face of described base plate is provided with location, blade root side.
  2. 2. a kind of blade root location structure for turbine blade laser melting coating according to claim 1, it is characterized in that: the one side of described base plate connecting plate upper, lower end is respectively equipped with open slot, the open side of described open slot is closed by slide cover and described slide cover is installed on described base plate connecting plate, the bottom support bar of described support, top supporting rod extends through the upper of described base plate connecting plate, in the open slot of lower end, and the bottom support bar of described support, top supporting rod respectively and holds out against locating piece by lateral bolt between each self-corresponding slide cover.
  3. 3. a kind of blade root location structure for turbine blade laser melting coating according to claim 1, it is characterized in that: described base plate is rotatably connected by described centre bore and described base plate connecting plate by the first bearing pin, described base plate is additionally provided with the arc turning slot being the center of circle with described centre bore, by the first tight fixed bolt by described arc turning slot fastening location between described base plate and base plate connecting plate.
CN201521124537.5U 2015-12-31 2015-12-31 A blade blade root location structure for turbine blade laser cladding Withdrawn - After Issue CN205363102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521124537.5U CN205363102U (en) 2015-12-31 2015-12-31 A blade blade root location structure for turbine blade laser cladding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521124537.5U CN205363102U (en) 2015-12-31 2015-12-31 A blade blade root location structure for turbine blade laser cladding

Publications (1)

Publication Number Publication Date
CN205363102U true CN205363102U (en) 2016-07-06

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105414853A (en) * 2015-12-31 2016-03-23 无锡透平叶片有限公司 Blade root positioning structure for laser cladding of steam turbine blades
CN108866493A (en) * 2018-06-29 2018-11-23 宁波江丰电子材料股份有限公司 A kind of installation tool and semiconductor chip production system of semiconductor target

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105414853A (en) * 2015-12-31 2016-03-23 无锡透平叶片有限公司 Blade root positioning structure for laser cladding of steam turbine blades
CN105414853B (en) * 2015-12-31 2017-08-29 无锡透平叶片有限公司 Blade root location structure for turbine blade laser melting coating
CN108866493A (en) * 2018-06-29 2018-11-23 宁波江丰电子材料股份有限公司 A kind of installation tool and semiconductor chip production system of semiconductor target

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20160706

Effective date of abandoning: 20170829

AV01 Patent right actively abandoned