CN106001209A - Nuclear steam generator keeping bar bending tool and application method thereof - Google Patents
Nuclear steam generator keeping bar bending tool and application method thereof Download PDFInfo
- Publication number
- CN106001209A CN106001209A CN201610557909.6A CN201610557909A CN106001209A CN 106001209 A CN106001209 A CN 106001209A CN 201610557909 A CN201610557909 A CN 201610557909A CN 106001209 A CN106001209 A CN 106001209A
- Authority
- CN
- China
- Prior art keywords
- maintaining item
- locating piece
- bending
- bending tool
- maintaining
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
Abstract
The invention discloses a nuclear steam generator keeping bar bending tool and an application method thereof. A keeping bar includes a keeping bar body and a part to be bent at one end; the keeping bar bending tool comprises a positioning module and a bending module, wherein the positioning module is used for grabbing and fixing the keeping bar body, and has a positioning handle perpendicular to the keeping bar body; the bending module is movably connected with the positioning module, and is used for grabbing the part to be bent at one end of the keeping bar; and the bending module includes a bending handle parallel to the part to be bent of the keeping bar. The keeping bar bending tool has the following advantages: the positioning module and the bending module are simple in structure; the bending angle is conveniently adjusted and controlled; the complex working conditions of bending the keeping bar can be satisfied; the operation is convenient; and the manufacturing is easy.
Description
Technical field
The present invention relates to a kind of metal working technical area, be specifically related to a kind of nuclear boiler maintaining item bending tool
And using method.
Background technology
Nuclear boiler tube bundle assembly is the cardia of steam generator, mainly carries and is passed by the heat energy of primary Ioops
It is delivered to secondary circuit, and isolates primary Ioops high pressure-temperature and the function of radioprotective medium, play very important effect.
Nuclear boiler tube bundle assembly mainly includes lower case assembly, inner sleeve, pipe support plate, pull bar, U-shaped
Pipe, anti-vibration bar, retaining ring and maintaining item, manufacturing process flow is: after lower case completion, install inner sleeve, pipe support plate
And pull bar, carrying out U-tube poling the most again, tube-tube plate welds appropriate and hydraulic expanding tube, the welding equipment of anti-vibration bar, the welding equipment of protection ring,
Finally carry out the assembling of maintaining item, bend and weld.
During maintaining item assembling, needing the bending area penetrating outermost layer U-tube to specify on position, maintaining item penetrates into outermost
Behind the corresponding position of layer U-tube, one end of maintaining item implementing bending to final molding, bending inside radius is minimum
R11.2mm, bending angle is 122 ° ~ 126 °, installs station as it is shown in figure 1, overbending direction and bending angle are as in figure 2 it is shown, scheme
Middle maintaining item 1 ', one end of maintaining item 1 ' be pars convoluta 11 ', 2 ' to be curved be tube bundle assembly.
The material of above-mentioned maintaining item is SB166 nickel-chromium-ferro alloy 690 (UNS N06690) bar, and bar sectional dimension is
10.67*3.56mm, the yield strength of bar is 275-345MPa, and tensile strength is not less than 620MPa, and elongation after fracture is not less than
25%.After maintaining item penetrates outermost layer U-tube arrival correspondence position, it being carried out bending, bending operating mode is complicated, and is positioned at U-tube
Close region, U-tube wall thickness 1.01mm, belong to fragile parts, it is therefore desirable to provide a kind of maintaining item flector to need full
The following condition of foot: 1, frock easy accessibility can be met, it is simple to operate under complex working condition；2, location must accurately, to avoid sending out
Raw pipe of reprocessing or damage；3, different due to the bending angle of maintaining item, it is therefore necessary to guarantee that bending angle is prone to manual control
System.
Summary of the invention
It is an object of the invention to provide a kind of nuclear boiler maintaining item bending tool and using method thereof, i.e. can
Meet the complex working condition of maintaining item bending, the most convenient to operate.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of nuclear boiler maintaining item bending tool, described maintaining item comprises maintaining item body and is positioned at its one end
Pars convoluta to be curved, is characterized in that, comprises:
Positioning component, for promptly maintaining item body and be fixed, this positioning component comprises one and is perpendicular to maintaining item body
Position fixing handle；
Crooked assembly, it is flexibly connected with described positioning component, for the pars convoluta to be curved of promptly maintaining item one end, this crooked assembly
Comprise a crank handle being parallel to maintaining item pars convoluta to be curved.
Above-mentioned nuclear boiler maintaining item bending tool, wherein:
Described positioning component and crooked assembly are flexibly connected by hinge component；
Described position fixing handle, crank handle and hinge component is respectively positioned on the desire curved side of maintaining item.
Above-mentioned nuclear boiler maintaining item bending tool, wherein, described positioning component also comprises:
First locating piece, its one end is connected with one end of described hinge component, and described position fixing handle is fixed on this first location
On block.
Above-mentioned nuclear boiler maintaining item bending tool, wherein, described crooked assembly also comprises:
Second locating piece, its one end is connected with the other end of described hinge component, and it is second fixed that described crank handle is fixed on this
On the block of position.
Above-mentioned nuclear boiler maintaining item bending tool, wherein:
The first described locating piece and the second locating piece all use and the groove structure of maintaining item form fit.
Above-mentioned nuclear boiler maintaining item bending tool, wherein:
It is matched in clearance between described the first locating piece and maintaining item and between the second locating piece and maintaining item.
The using method of a kind of nuclear boiler maintaining item bending tool, is characterized in that, comprise the steps of
S1, by positioning component and crooked assembly, pars convoluta to be curved with maintaining item body and maintaining item is connected respectively；
S2, one holding position fixing handle, another holds crank handle, and to position fixing handle side, rotation bending handle makes maintaining item
Pars convoluta to be curved be folded into required angle.
The using method of above-mentioned nuclear boiler maintaining item bending tool, wherein, described step S1 specifically comprises:
S11, the groove of the first locating piece and the second locating piece is inserted on the bending section of maintaining item body and maintaining item respectively
Correspondence position；
S12, according to drawing, adjust frock position.
The present invention compared with prior art has the advantage that
1, locating piece uses concave structure, and design is played fixation, and during use, this structure is easily installed and dismantles；
2, positioning component and crooked assembly simple in construction, convenient adjustment and control bending angle, can meet maintaining item bending
Complex working condition, the most convenient to operate, it is easy to manufacture；
3, hinge arrangement makes this frock be prone to location, meets drawing by changing the center of rotation of hinge arrangement simultaneously
Little radius bend requirement.
Accompanying drawing explanation
Fig. 1 is that in prior art, maintaining item installs station schematic diagram；
Fig. 2 is overbending direction and the angle schematic diagram of maintaining item in prior art；
Fig. 3 is the front view of first locating piece of the present invention；
Fig. 4 is the upward view of first locating piece of the present invention；
Fig. 5 is the positioning component attachment structure schematic diagram with outer hinge of the present invention；
Fig. 6 is the crooked assembly attachment structure schematic diagram with inner hinge of the present invention；
Fig. 7 is the use state reference map of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Fig. 5,6,7, a kind of nuclear boiler maintaining item bending tool, described maintaining item 1 comprises maintaining item
Body and be positioned at the pars convoluta to be curved 11 of its one end；Described nuclear boiler maintaining item bending tool comprises: for promptly
Maintaining item body the positioning component being fixed and be flexibly connected for promptly maintaining item one end with described positioning component
The crooked assembly of pars convoluta 11 to be curved, described positioning component comprises a position fixing handle 22 being perpendicular to maintaining item body, described
Crooked assembly comprises a crank handle 32 being parallel to maintaining item pars convoluta to be curved 11, selects handle arrangement, facilitates bending angle
Control, and this simple in construction is convenient to operate.
Described positioning component is flexibly connected to be prone to tool locating, described location with crooked assembly by hinge component
Handle 22, crank handle 32 and hinge component are respectively positioned on the desire curved side of maintaining item 1, insert tube bank to facilitate in maintaining item 1
Carry out bending operation under conditions of assembly, do not damage product.
Described positioning component also comprises: the first locating piece 21, its one end is connected with one end of described hinge component, described
Position fixing handle 22 be fixed on this first locating piece 21.
Described crooked assembly also comprises: the second locating piece 31, and its one end is connected with the other end of described hinge component, institute
The crank handle 32 stated is fixed on this second locating piece 31.
In the present embodiment, as shown in Figure 5,6, described hinge component comprises the outer hinge being arranged on the first locating piece 21
41, it is arranged on the inner hinge 42 on the second locating piece 31 and connects outer hinge 41 and the joint pin 43 of inner hinge 42, in order to full
The minimum R11.2mm of bending inside radius after foot maintaining item 1 bending, outer hinge 41, the arc section external diameter Φ A of inner hinge 42 are
15mm, and the thick boss D of 1.5mm is set.
Further, it is contemplated that when the assembling of locating piece and follow-up bending, locating piece moves freely, such as Fig. 3,4 institutes
Showing, the first described locating piece 21 and the second locating piece 31 all use and the groove structure of maintaining item 1 form fit, and described the
Matched in clearance it is, simultaneously in order to prevent between a positioning block 21 and maintaining item 1 and between the second locating piece 31 and maintaining item 1
The parts of bundle region are occurred to pollute and affect product quality by frock, and the first locating piece 21 and the second locating piece 31 all use
The material identical with maintaining item 1, in the present embodiment, described maintaining item material is SB166 nickel-chromium-ferro alloy 690 (UNS
N06690) bar, bar sectional dimension is 10.67*3.56mm.
Present invention also offers the using method of a kind of nuclear boiler maintaining item bending tool, it comprises following step
Rapid:
S0, maintaining item 1 being inserted tube bundle assembly, the tune to be curved of maintaining item 1 is exposed to outside tube bundle assembly；
S1, by positioning component and crooked assembly, pars convoluta to be curved 11 with maintaining item body and maintaining item is connected respectively；
S2, one holding position fixing handle 22, another holds crank handle 32, to position fixing handle 22 side rotation bending handle 32
The pars convoluta to be curved 11 making maintaining item is folded into required angle.
In the using method of above-mentioned nuclear boiler maintaining item bending tool, described step S1 specifically comprises:
S11, the groove of the first locating piece 21 and the second locating piece 31 is inserted respectively the bending of maintaining item body and maintaining item
Correspondence position in portion 11；
S12, according to drawing, adjust frock position.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read foregoing, for the present invention's
Multiple amendment and replacement all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. a nuclear boiler maintaining item bending tool, described maintaining item (1) comprises maintaining item body and is positioned at it
The pars convoluta to be curved (11) of one end, it is characterised in that comprise:
Positioning component, for promptly maintaining item body and be fixed, this positioning component comprises one and is perpendicular to maintaining item body
Position fixing handle (22)；
Crooked assembly, it is flexibly connected with described positioning component, for the pars convoluta to be curved (11) of promptly maintaining item one end, this bending
Assembly comprises a crank handle (32) being parallel to maintaining item pars convoluta to be curved (11).
2. nuclear boiler maintaining item bending tool as claimed in claim 1, it is characterised in that:
Described positioning component and crooked assembly are flexibly connected by hinge component；
Described position fixing handle (22), crank handle (32) and hinge component is respectively positioned on the desire curved side of maintaining item (1).
3. nuclear boiler maintaining item bending tool as claimed in claim 2, it is characterised in that described positioning component is also
Comprise:
First locating piece (21), its one end is connected with one end of described hinge component, and described position fixing handle (22) is fixed on this
On first locating piece (21).
4. nuclear boiler maintaining item bending tool as claimed in claim 3, it is characterised in that described crooked assembly is also
Comprise:
Second locating piece (31), its one end is connected with the other end of described hinge component, and described crank handle (32) is fixed on
On this second locating piece (31).
5. nuclear boiler maintaining item bending tool as claimed in claim 4, it is characterised in that:
Described the first locating piece (21) and the second locating piece (31) all use the groove structure with maintaining item (1) form fit.
6. nuclear boiler maintaining item bending tool as claimed in claim 4, it is characterised in that:
It is between described the first locating piece (21) and maintaining item (1) and between the second locating piece (31) and maintaining item (1)
Matched in clearance.
7. the using method of a nuclear boiler maintaining item bending tool, it is characterised in that comprise the steps of
S1, positioning component and crooked assembly are connected with the pars convoluta to be curved (11) of maintaining item body and maintaining item respectively；
S2, one holding position fixing handle (22), another holds crank handle (32), to position fixing handle (22) side rotation bending
Handle (32) makes the pars convoluta to be curved (11) of maintaining item be folded into required angle.
8. the using method of nuclear boiler maintaining item bending tool as claimed in claim 7, it is characterised in that described
Step S1 specifically comprises:
S11, the groove of the first locating piece (21) and the second locating piece (31) is inserted respectively maintaining item body and maintaining item
The upper correspondence position of bending section (11)；
S12, according to drawing, adjust frock position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610557909.6A CN106001209A (en) | 2016-07-15 | 2016-07-15 | Nuclear steam generator keeping bar bending tool and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610557909.6A CN106001209A (en) | 2016-07-15 | 2016-07-15 | Nuclear steam generator keeping bar bending tool and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106001209A true CN106001209A (en) | 2016-10-12 |
Family
ID=57119044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610557909.6A Pending CN106001209A (en) | 2016-07-15 | 2016-07-15 | Nuclear steam generator keeping bar bending tool and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106001209A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003053464A (en) * | 2001-08-20 | 2003-02-26 | Kurogo Satomi | Reinforcing bar bending tool for steeply inclined slope surface work |
| JP2006130550A (en) * | 2004-11-09 | 2006-05-25 | Sanwa Denko Kk | Bender for electric wire |
| CN201385092Y (en) * | 2009-03-20 | 2010-01-20 | 安徽送变电工程公司 | Steel bar bending pliers |
| CN201537664U (en) * | 2009-07-31 | 2010-08-04 | 河南省电力公司三门峡供电公司 | Portable reinforcing steel bar bending machine |
| CN201592207U (en) * | 2009-09-30 | 2010-09-29 | 北京市电力公司 | Bar-shaped metal angle bender |
| CN201906776U (en) * | 2010-08-31 | 2011-07-27 | 张文芳 | Portable manual steel bar bending device |
| CN103357711A (en) * | 2013-07-01 | 2013-10-23 | 中国船舶重工集团公司第七二五研究所 | Processing method for bending plate-shaped metal sample into U-shaped metal sample |
| CN204304304U (en) * | 2014-11-27 | 2015-04-29 | 国网山东省电力公司泰安供电公司 | Curved device held by a kind of novel portable cable |
| CN105215232A (en) * | 2015-09-19 | 2016-01-06 | 国网山东莱州市供电公司 | A kind of steel strand wires bending shaping device and using method thereof |
| CN205798062U (en) * | 2016-07-15 | 2016-12-14 | 上海电气核电设备有限公司 | Nuclear boiler maintaining item bending tool |
-
2016
- 2016-07-15 CN CN201610557909.6A patent/CN106001209A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003053464A (en) * | 2001-08-20 | 2003-02-26 | Kurogo Satomi | Reinforcing bar bending tool for steeply inclined slope surface work |
| JP2006130550A (en) * | 2004-11-09 | 2006-05-25 | Sanwa Denko Kk | Bender for electric wire |
| CN201385092Y (en) * | 2009-03-20 | 2010-01-20 | 安徽送变电工程公司 | Steel bar bending pliers |
| CN201537664U (en) * | 2009-07-31 | 2010-08-04 | 河南省电力公司三门峡供电公司 | Portable reinforcing steel bar bending machine |
| CN201592207U (en) * | 2009-09-30 | 2010-09-29 | 北京市电力公司 | Bar-shaped metal angle bender |
| CN201906776U (en) * | 2010-08-31 | 2011-07-27 | 张文芳 | Portable manual steel bar bending device |
| CN103357711A (en) * | 2013-07-01 | 2013-10-23 | 中国船舶重工集团公司第七二五研究所 | Processing method for bending plate-shaped metal sample into U-shaped metal sample |
| CN204304304U (en) * | 2014-11-27 | 2015-04-29 | 国网山东省电力公司泰安供电公司 | Curved device held by a kind of novel portable cable |
| CN105215232A (en) * | 2015-09-19 | 2016-01-06 | 国网山东莱州市供电公司 | A kind of steel strand wires bending shaping device and using method thereof |
| CN205798062U (en) * | 2016-07-15 | 2016-12-14 | 上海电气核电设备有限公司 | Nuclear boiler maintaining item bending tool |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |