CN103128704A - Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove - Google Patents

Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove Download PDF

Info

Publication number
CN103128704A
CN103128704A CN2013100621252A CN201310062125A CN103128704A CN 103128704 A CN103128704 A CN 103128704A CN 2013100621252 A CN2013100621252 A CN 2013100621252A CN 201310062125 A CN201310062125 A CN 201310062125A CN 103128704 A CN103128704 A CN 103128704A
Authority
CN
China
Prior art keywords
wedge
blade
technique
groove
semi
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
Application number
CN2013100621252A
Other languages
Chinese (zh)
Other versions
CN103128704B (en
Inventor
李凤娟
孙志强
高楠楠
任伟
王莉莉
李宗祥
孙桂玲
太秀滨
张俊成
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.)
Harbin Turbine Co Ltd
Original Assignee
Harbin Turbine 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 Harbin Turbine Co Ltd filed Critical Harbin Turbine Co Ltd
Priority to CN201310062125.2A priority Critical patent/CN103128704B/en
Publication of CN103128704A publication Critical patent/CN103128704A/en
Application granted granted Critical
Publication of CN103128704B publication Critical patent/CN103128704B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Turbine Rotor Nozzle Sealing (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention provides an assembly tool and an application method of a reverse-T-shaped blade-root-groove blade with a semicircular groove, and aims to solve the problem of absence of a specific tool for assembling the reverse-T-shaped blade-root-groove blade with the semicircular groove at present. The shape of a semicircular plane of a process wheel chock is identical to the shape of the semicircular groove on the blade; a square hole is reserved on one side of the central plane of the process wheel chock along the thickness direction of process wheel chock; and a square groove is reserved on the upper portion of a end face, close to the square hole, of the process wheel chock, and along the axial direction of the process wheel chock. Outer threads are arranged on the outer wall of one end of a chock pulling rod. Inner threads are arranged on the inner wall of a central hole connected with a connecting ring. The chock pulling rod is threaded to the connecting ring by the aid of the outer threads and inner threads. Two chock pulling heads are inserted from the semicircular plane of the process wheel chock into the square groove. The assembly tool is used for assembling the reverse-T-shaped blade-root-groove blade with the semicircular groove.

Description

Inverted T-shaped roots groove blade assembly tool and using method with semi-circular recesses
Technical field
The present invention relates to a kind of assembly tool and using method thereof of inverted T-shaped roots groove blade.
Background technology
Be the inverted T-shaped roots grooved line of semi-circular recesses bottom turbine rotor, do not have assembling to have the specific purpose tool of the inverted T-shaped roots groove blade of semi-circular recesses at present.
Summary of the invention
The present invention is for solving the problem of the specific purpose tool that there is no to assemble the inverted T-shaped roots groove blade with semi-circular recesses at present, and then a kind of inverted T-shaped roots groove blade assembly tool and using method with semi-circular recesses is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
inverted T-shaped roots groove blade assembly tool with semi-circular recesses comprises technique wheel wedge and pulls out wedge device, technique wheel wedge is semicylinder, the semi circular surface shape of technique wheel wedge and the semi-circular recesses shape of blade are coincide, a side on the median plane of technique wheel wedge is processed with square hole along the thickness direction of technique wheel wedge, axially be processed with square groove near the end face top of square hole one side along technique wheel wedge on technique wheel wedge, and the square groove setting that communicates with square hole, the square groove width less than square hole along the width on technique wheel wedge width, pulling out wedge device comprises and pulls out the wedge round bar, connect annulus and two and pull out the wedge head, pull out on an end outer wall of wedge round bar and be processed with external screw thread, the center bore inner wall that connects annulus is processed with internal thread, two are pulled out the wedge head and vertically are fixed on the lateral wall that connects annulus as symmetrical centre take the axis that connects annulus, each end of pulling out the wedge head is provided with the hook body, the external screw thread that pulls out the wedge round bar screws connection with the internal thread that is connected annulus, two that pull out wedge device are pulled out the wedge head from the semicircle planar ends insertion square groove of technique wheel wedge.
Using the detailed process that the assembling of described assembly tool has the inverted T-shaped roots groove blade of semi-circular recesses is:
Step 1: technique is taken turns wedge pack in the semi-circular recesses of inverted T-shaped roots groove blade bottom, adjacent technique wheel wedge must be close in case vibration;
Step 2: thinning technique wheel wedge to an end can be filled in the wheel trench bottom, manually pushes technique wheel wedge to the blade root bottom of blade, and the length of exposing technique wheel wedge is 2mm~3mm;
Step 3: technique is taken turns wedge squeeze into blade root bottom, guarantee that the magnitude of interference that technique wheel wedge has 0.1mm~0.2mm packs in blade root slot, rap simultaneously blade and guarantee that the blade root of this blade and a upper blade and integral shroud applying situation meet specification requirement, then complete blade brush, radiation measurement and last years of a century pitch repair;
Step 4: will pull out the hook end of body of wedge device in the square groove of the semicircle end face insertion of technique wheel wedge, and pull out wedge round bar underlay one lever, and rap and pull out wedge round bar afterbody, and technique can be taken turns wedge and extract in the semi-circular recesses of blade bottom.
The present invention compared with prior art has following beneficial effect:
The present invention is simple in structure, can realize having the repeated disassembled and assembled of the inverted T-shaped roots groove blade of semi-circular recesses, can assist simultaneously the brush of completing the inverted T-shaped roots groove blade with semi-circular recesses, radiation measurement and last years of a century pitch repair.
Description of drawings
Fig. 1 is the front view of technique wheel wedge of the present invention, Fig. 2 is the cutaway view of A-A face in Fig. 1, Fig. 3 is the right view of Fig. 2, Fig. 4 is the integral installation figure that pulls out wedge device of the present invention, Fig. 5 is the front view that pulls out the wedge round bar of the present invention, Fig. 6 is connection annulus of the present invention and two installation diagrams that pull out the wedge head, Fig. 7 is the top view of Fig. 6, Fig. 8 is that the master who pulls out wedge device and technique wheel wedge looks installation diagram, Fig. 9 is the front view of the leaf root part of blade, when Figure 10 is the work of technique of the present invention wheel wedge with the installation diagram with inverted T-shaped roots groove blade of semi-circular recesses.
The specific embodiment
the specific embodiment one: in conjunction with Fig. 1~Figure 10 explanation, the inverted T-shaped roots groove blade assembly tool with semi-circular recesses of present embodiment comprises technique wheel wedge 1 and pulls out wedge device 2, technique wheel wedge 1 is semicylinder, the semi circular surface shape of technique wheel wedge 1 and the semi-circular recesses 3-1 shape of blade 3 are coincide, a side on the median plane of technique wheel wedge 1 is processed with square hole 1-1 along the thickness direction of technique wheel wedge 1, axially be processed with square groove 1-2 near the end face top of square hole 1-1 one side along technique wheel wedge 1 on technique wheel wedge 1, and the square groove 1-2 setting that communicates with square hole 1-1, square groove 1-2 width less than square hole 1-1 along the width on technique wheel wedge 1 width, pulling out wedge device 2 comprises and pulls out wedge round bar 2-1, connect annulus 2-2 and two and pull out wedge head 2-3, pull out on the end outer wall of wedge round bar 2-1 and be processed with external screw thread 2-1-1, the center bore inner wall that connects annulus 2-2 is processed with internal thread, two are pulled out wedge head 2-3 and vertically are fixed on the lateral wall that connects annulus 2-2 as symmetrical centre take the axis that connects annulus 2-2, each end of pulling out wedge head 2-3 is provided with hook body 2-3-1, the external screw thread 2-1-1 that pulls out wedge round bar 2-1 screws connection with the internal thread that is connected annulus 2-2, two that pull out wedge device 2 are pulled out wedge head 2-3 from the semicircle planar ends insertion square groove 1-2 of technique wheel wedge 1.
The material of technique wheel wedge 1 adopts No. 15 steel, and this kind material is softer, is convenient to the assembling of technique wheel wedge 1; The material that pulls out wedge head 2-3 adopts spring steel 60Si2MnA, and this kind elastic properties of materials is better, is convenient to pull out in the square groove 1-2 of wedge head 2-3 end insertion process wheel wedge 1; The material that pulls out wedge round bar 2-1 adopts the Q235 steel, and this kind material hardness is higher, can increase the service life.
The specific embodiment two: in conjunction with Fig. 1 explanation, the length L of the technique wheel wedge 1 of present embodiment is 14mm.Other compositions and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 3 explanation, the radius R of the technique wheel wedge 1 of the semicolumn bodily form of present embodiment is 10mm.Other compositions and annexation are identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1~Figure 10 explanation, the detailed process that the described assembly tool assembling of the application of present embodiment has the inverted T-shaped roots groove blade of semi-circular recesses is:
Step 1: technique is taken turns wedge 1 pack in the semi-circular recesses of inverted T-shaped roots groove blade 3 bottoms, the adjacent wheels wedge must be close in case vibration;
Step 2: thinning technique wheel wedge 1 to one end can be filled in the wheel trench bottom, manually pushes technique wheel wedge 1 to the blade root bottom of blade 3, and the length of exposing technique wheel wedge 1 is 2mm~3mm;
Step 3: technique is taken turns wedge 1 squeeze into blade root bottom, guarantee that the magnitude of interference that technique wheel wedge 1 has 0.1mm~0.2mm packs in blade root slot, rap simultaneously blade and guarantee that this blade 3 and blade root and the integral shroud applying situation of a upper blade meet specification requirement, then complete blade 3 brush, radiation measurement and last years of a century pitch repair;
Step 4: in the square groove 1-2 that insert from the semicircle end face of technique wheel wedge 1 the hook body 2-3-1 end that will pull out wedge device 2, pulling out wedge round bar 2-1 underlay one lever, rap and pull out wedge round bar 2-1 afterbody, technique can be taken turns wedge 1 and extract in the semi-circular recesses of blade 3 bottoms.

Claims (4)

1. inverted T-shaped roots groove blade assembly tool with semi-circular recesses, it is characterized in that: described blade assembly tool comprises technique wheel wedge (1) and pulls out wedge device (2), technique wheel wedge (1) is semicylinder, the semi circular surface shape of technique wheel wedge (1) and semi-circular recesses (3-1) shape of blade (3) are coincide, the thickness direction that a side on the median plane of technique wheel wedge (1) is taken turns wedge (1) along technique is processed with square hole (1-1), the upper end face top near square hole (1-1) side of technique wheel wedge (1) axially is processed with square groove (1-2) along what technique was taken turns wedge (1), and square groove (1-2) setting that communicates with square hole (1-1), square groove (1-2) width less than square hole (1-1) along the width on technique wheel wedge (1) width, pulling out wedge device (2) comprises and pulls out wedge round bar (2-1), connect annulus (2-2) and two and pull out wedge head (2-3), pull out on an end outer wall of wedge round bar (2-1) and be processed with external screw thread (2-1-1), the center bore inner wall that connects annulus (2-2) is processed with internal thread, two are pulled out wedge head (2-3) and vertically are fixed on the lateral wall that connects annulus (2-2) as symmetrical centre take the axis that connects annulus (2-2), each end of pulling out wedge head (2-3) is provided with hook body (2-3-1), the external screw thread (2-1-1) that pulls out wedge round bar (2-1) screws connection with the internal thread that is connected annulus (2-2), two that pull out wedge device (2) are pulled out wedge head (2-3) from the semicircle planar ends insertion square groove (1-2) of technique wheel wedge (1).
2. a kind of inverted T-shaped roots groove blade assembly tool with semi-circular recesses according to claim 1 is characterized in that: the length (L) of technique wheel wedge (1) is 14mm.
3. a kind of inverted T-shaped roots groove blade assembly tool with semi-circular recesses according to claim 1 and 2 is characterized in that: the radius (R) of the technique wheel wedge (1) of the semicolumn bodily form is 10mm.
4. an application rights requires 1 described assembly tool assembling to have the method for the inverted T-shaped roots groove blade of semi-circular recesses, and it is characterized in that: the detailed process of assembling inverted T-shaped roots groove blade is:
Step 1: technique is taken turns wedge (1) pack in the semi-circular recesses (3-1) of inverted T-shaped roots groove blade (3) bottom, adjacent technique wheel wedge (1) must be close in case vibration;
Step 2: thinning technique wheel wedge (1) can be filled in the wheel trench bottom to an end, manually pushes technique wheel wedge (1) to the blade root bottom of blade (3), and the length of exposing technique wheel wedge (1) is 2mm~3mm:
Step 3: technique is taken turns wedge (1) squeeze into blade root bottom, guarantee that the magnitude of interference that technique wheel wedge (1) has 0.1mm~0.2mm packs in blade root slot, rap simultaneously blade and guarantee that blade root and the integral shroud applying situation of this blade (3) and a upper blade meet specification requirement, then complete blade (3) brush, radiation measurement and last years of a century pitch repair;
Step 4: take turns in the square groove (1-2) that the semicircle end face of wedge (1) inserts from technique hook body (2-3-1) end that will pull out wedge device (2), pulling out wedge round bar (2-1) underlay one lever, rap and pull out wedge round bar (2-1) afterbody, technique can be taken turns wedge (1) and extract in the semi-circular recesses of blade (3) bottom.
CN201310062125.2A 2013-02-27 2013-02-27 Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove Active CN103128704B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310062125.2A CN103128704B (en) 2013-02-27 2013-02-27 Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310062125.2A CN103128704B (en) 2013-02-27 2013-02-27 Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove

Publications (2)

Publication Number Publication Date
CN103128704A true CN103128704A (en) 2013-06-05
CN103128704B CN103128704B (en) 2014-11-26

Family

ID=48489487

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310062125.2A Active CN103128704B (en) 2013-02-27 2013-02-27 Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove

Country Status (1)

Country Link
CN (1) CN103128704B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108838637A (en) * 2018-06-29 2018-11-20 大连船舶重工集团舵轴有限公司 The assembly method of rudder stock and rudder blade conical hole

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000220405A (en) * 1999-01-28 2000-08-08 Hitachi Ltd Turbine rotor blade
CN1639446A (en) * 2002-09-02 2005-07-13 株式会社日立制作所 Turbine moving blade
JP2005226578A (en) * 2004-02-13 2005-08-25 Toshiba Corp Turbine moving blade and its assembling method
JP2006009733A (en) * 2004-06-28 2006-01-12 Toshiba Corp Turbine and turbine manufacturing method
CN1872491A (en) * 2005-06-02 2006-12-06 通用电气公司 Methods and systems for assembling shrouded turbine bucket and tangential entry dovetail
CN101063412A (en) * 2006-04-25 2007-10-31 通用电气公司 Nested turbine bucket closure group

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000220405A (en) * 1999-01-28 2000-08-08 Hitachi Ltd Turbine rotor blade
CN1639446A (en) * 2002-09-02 2005-07-13 株式会社日立制作所 Turbine moving blade
JP2005226578A (en) * 2004-02-13 2005-08-25 Toshiba Corp Turbine moving blade and its assembling method
JP2006009733A (en) * 2004-06-28 2006-01-12 Toshiba Corp Turbine and turbine manufacturing method
CN1872491A (en) * 2005-06-02 2006-12-06 通用电气公司 Methods and systems for assembling shrouded turbine bucket and tangential entry dovetail
CN101063412A (en) * 2006-04-25 2007-10-31 通用电气公司 Nested turbine bucket closure group

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108838637A (en) * 2018-06-29 2018-11-20 大连船舶重工集团舵轴有限公司 The assembly method of rudder stock and rudder blade conical hole

Also Published As

Publication number Publication date
CN103128704B (en) 2014-11-26

Similar Documents

Publication Publication Date Title
CN203796705U (en) Bolt
CN105121840A (en) Fixation for a wind turbine blade to the hub
CN102062089A (en) Method for machining full metal screw pump stator
CN103128704B (en) Assembly tool and application method of reverse-T-shaped blade-root groove blade with semicircular groove
CN203690800U (en) Integral clamping tool used for replacing cross arm end linear string insulator
CN204186714U (en) A kind of connecting rod length adjusting mechanism
CN204235464U (en) Variable-length sleeve extension rod
CN206048016U (en) A kind of split type ratchet spanner
CN203926463U (en) A kind of small power electric arbor elastic locking coupling
CN202726133U (en) Easy-entering high-accuracy grinding drill
CN203185221U (en) Multi-section screwdriver with long service life
CN203867542U (en) 5700 rotating pup joint
CN201625924U (en) Removable pincers
CN204545021U (en) The volume alliteration contracting mechanism of uncoiler
CN206144110U (en) Cuff dabber
CN203380939U (en) Areca nut fixture of areca nut cutting machine
CN204465178U (en) A kind of high speed rotor of motor based on segmentation magnet steel and non-uniform shaft
CN205422609U (en) Special high -efficient junk mill of tooth that inclines out
CN201815978U (en) Slip joint pliers
CN203715770U (en) Coating hanging tool of double-hole cutter
CN203541314U (en) Expander assembly
CN203925989U (en) The linkage structure of oil well pump outlet valve
CN206795460U (en) A kind of assembled chamfering brush for being used to process nuclear power tube sheet chamfering
CN202621992U (en) Clamp spring positioning sheet for drilling process for drilling hard alloy material
CN106272052A (en) A kind of grinding head

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant