CN109397188A - A kind of impressed current anode sheath withdrawing device and its application method - Google Patents

A kind of impressed current anode sheath withdrawing device and its application method Download PDF

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Publication number
CN109397188A
CN109397188A CN201811285945.7A CN201811285945A CN109397188A CN 109397188 A CN109397188 A CN 109397188A CN 201811285945 A CN201811285945 A CN 201811285945A CN 109397188 A CN109397188 A CN 109397188A
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CN
China
Prior art keywords
main body
anode sheath
impressed current
current anode
withdrawing device
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
CN201811285945.7A
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Chinese (zh)
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CN109397188B (en
Inventor
蒋益丰
张维
富敏
胡明磊
文杰
周澄
吴昉赟
李新贵
王国强
娄海英
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.)
CNNC Nuclear Power Operation Management Co Ltd
Qinshan Nuclear Power Co Ltd
Original Assignee
CNNC Nuclear Power Operation Management Co Ltd
Qinshan Nuclear Power Co Ltd
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Application filed by CNNC Nuclear Power Operation Management Co Ltd, Qinshan Nuclear Power Co Ltd filed Critical CNNC Nuclear Power Operation Management Co Ltd
Priority to CN201811285945.7A priority Critical patent/CN109397188B/en
Publication of CN109397188A publication Critical patent/CN109397188A/en
Application granted granted Critical
Publication of CN109397188B publication Critical patent/CN109397188B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand 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
    • B25B27/06Hand 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 inserting or withdrawing sleeves or bearing races
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

The invention belongs to special fixtures technical fields, and in particular to a kind of impressed current anode sheath withdrawing device and its application method.Then the present apparatus fixes whole device using bracket by movable expansion grab card main auxiliary anode sheath, taken out impressed current anode sheath by rotation T-type main body.The advantages of the technical program is: (1) bracket uses so that whole device becomes stable, and the stress of impressed current anode sheath also becomes controllable;(2) T-type main body is slightly narrower than anode sheath, so as to there is certain supporting role to it, sheath is prevented to be broken;(3) customization bearing enables T-type main body independently to rotate, to not influence the reliability buckled between movable expansion grab and anode sheath.

Description

A kind of impressed current anode sheath withdrawing device and its application method
Technical field
The invention belongs to special fixtures technical fields, and in particular to a kind of impressed current anode sheath withdrawing device and its user Method.
Background technique
In the sea water service system of nuclear power plant, to protect some important pipelines, it will usually arrange some auxiliary in the duct Anode.As shown in Figure 1, impressed current anode sheath is bonded on flange by sealant in order to guarantee leakproofness, sealing is then put Pad is inserted into impressed current anode, then is tightened by flange bolt and impressed current anode is fixed on pipeline.
In actual use, part impressed current anode will appear phenomena such as fracture damage or leakage, it is therefore desirable to fixed When check replacement.And due to being on active service for a long time, sealant and anode sheath and flange face etc. react, and lead to anode sheath It is firmly combined together with flange, it is difficult to remove.Existing removal method often by sled, bore, pull etc. violences mode into Row is removed, and these dismounting modes are often all along with some risk, time-consuming and laborious, and flange face easy to damage, is influenced subsequent The leakproofness of installation.Violence remove mode be also also easy to produce fragment or be broken anode sheath, once fall into system at For foreign matter, the normal operation of equipment certainly will be influenced whether, cause unpredictalbe consequence.
Therefore, in order to fast and safely take out impressed current anode sheath, need to design a kind of impressed current anode sheath taking-up Device can take out rapidly impressed current anode sheath in the case where not influencing sea water service system.
Summary of the invention
It is an object of the invention to ask for existing impressed current anode removal method equipment easy to damage, the technology for falling foreign matter Topic provides a kind of impressed current anode sheath withdrawing device and its application method, can fast and safely take out impressed current anode sheath.
Technical scheme is as follows:
A kind of impressed current anode sheath withdrawing device, including push rod, main body and bracket;Main body is with handle and externally threaded The push rod of cylindrical structure, T-type structure is inserted into the cylinder of main body, and the length of push rod is greater than the length of main body;Main body is inserted into bracket In, it is connected through a screw thread with bracket;The bottom of main body is connected with movable expansion grab by customizing bearing;It is whole to customize bearing The rotary structure of through-hole is provided with for centre, the diameter of through-hole and the external diameter of rod body of push rod are adapted;Customizing bearing includes to roll The revolving body and pedestal of connection;Revolving body is fixedly connected with bottom part body, can be synchronized with main body and be rotated and promoted;Bottom Seat is internal to have cavity, and the lower part of revolving body is located in the cavity of pedestal;Movable expansion grab can be under the action of push rod It is flared out.
Further, the revolving body of the customization bearing is dies, and the inside of the pedestal forms inverted The lower part of " T " font cavity, " I " fonts revolving body is located in the cavity of pedestal.
Further, it is provided with roll structure between the " I " fonts revolving body and pedestal of the customization bearing, thus real Now roll connection.
Further, the bracket is taper, taper type or cylindrical shape.
Further, the frustum type bracket is hollow structure, is connected by the internal screw thread at top and the external screw thread of main body.
Further, the bottom of the bracket is equipped with card base, and card base, which is inserted into the bolt hole of flange, forms cooperation.
Further, the internal diameter interference fit of the outer diameter and anode sheath of the main body.
Further, the movable expansion grab by rolling bearing or is hingedly connected at customization bearing bottom.
Further, the customization bearing base bottom surface is symmetrically connected with two movable expansion grabs or uniformly to divide Multiple movable expansion grabs of cloth.
A kind of above-mentioned impressed current anode sheath withdrawing device, in turn includes the following steps:
The card base of bracket is fixed on the bolt hole of flange upper surface by step 1.;
Step 2. rotating body, extends downwardly into it in anode sheath;
The body of rod of push rod is fully inserted into the circle of main body after movable expansion grab is located at below anode sheath by step 3. In barrel structure, so that movable expansion grab opens, impressed current anode sheath bottom is blocked;
The handle of step 4. rotating body, it is dynamic by the customization bearing being connect with bottom part body and movable inflating clip hook strip Impressed current anode sheath is integrally lifted up;
Step 5. is drawn off after anode sheath integrally loosens.
The beneficial effects of the present invention are:
Then the present apparatus fixes whole device using bracket by movable expansion grab card main auxiliary anode sheath, Impressed current anode sheath is taken out by rotation T-type main body.Due to the use of bracket, whole device is become stable, impressed current anode shield The stress of set also becomes controllable.T-type main body is slightly narrower than anode sheath, so as to have it certain supporting role, prevents from protecting Set fracture.Customization bearing enables T-type main body independently to rotate, to not influence to block between movable expansion grab and anode sheath The reliability of button.
Detailed description of the invention
Fig. 1 is impressed current anode sheath schematic view of the mounting position;
Fig. 2 is structural schematic diagram of the invention;
Fig. 3 is the structural schematic diagram that bearing is customized in Fig. 2;
Fig. 4 is usage mode schematic diagram of the invention.
In figure: 1- push rod, 2- main body, 3- bracket, 4- customization bearing, the movable expansion grab of 5-, 6- card base, 7- flange, 8- sealant, 9- are by protective conduit, 10- anode sheath.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of impressed current anode sheath withdrawing device is present embodiments provided, is mainly used for taking out the sun being mounted on flange 7 Pole sheath 10.As shown in Figure 1, anode sheath 10 is T-type tubular structure, it is mounted on flange 7 by sealant 8, flange 7 is installed By the opening of protective conduit 9.
The impressed current anode sheath withdrawing device structure of the present embodiment is as shown in Fig. 2, include push rod 1, main body 2 and bracket 3.
Push rod 1 is T-type structure, and including upper handle and the vertical body of rod, upper handle is used to lifting or pushing push rod 1, The body of rod can be cylindrical posts.
Main body 2 is T-type structure, including upper handle and vertical cylindrical structure, the internal diameter of cylindrical structure and the bar of push rod 1 External diameter is adapted, and the circle of the body of rod insertion main body 2 of push rod 1 leads in structure;Cylindrical structure is additionally provided with external screw thread, can be with taper Bracket 3 forms cooperation, rotates T-type main body 2, can move up and down.The circle that the body of rod length of push rod 1 is slightly longer than main body 2 leads to structure, Diameter is slightly narrower than the through-hole at 2 middle part of main body.
Bracket 3 is hollow frustum type shape, and top is equipped with the internal thread structure adaptable with the external screw thread of main body 2;Bottom Equipped with card base 6, card base 6 is inserted into forming cooperation in the flange bolt hole of flange 7, the position of fixed conical support 3, thus real The now limit of this anode sheath withdrawing device.
The bottom of main body 2 is connected to barb-like movable expansion grab 5 by customizing bearing 4.Customize bearing 4 generally Centre is provided with the rotary structure of through-hole, and the diameter of through-hole and the external diameter of rod body of push rod 1 are adapted.The structure of bearing is customized as schemed Shown in 3, comprising " I " fonts revolving body, pedestal and positioned at roll structure between the two;" I " fonts rotary structure and master The cylindrical structure bottom of body 2 connects, and can be rotated and be promoted as main body 2 synchronizes;Pedestal is top with in-flanges U shape structure, to form inverted " T " font cavity in inside, the lower part of " I " fonts revolving body is located at the sky of pedestal It is intracavitary;It is provided with roll structure between " I " fonts revolving body and pedestal, when so that " I " fonts revolving body rotating, pedestal can It does not rotate with it.
As shown in Fig. 2, movable expansion grab 5 is by rolling bearing or is hingedly connected at customization 4 pedestal bottom surface of bearing On, it can be realized the rotation of grab 5, can be symmetrically arranged two movable expansion grabs 5, or multiple movable Expand grab 5.The material of movable expansion grab 5 is made of 304 steel or other metal materials with some strength, initial shape State is inwardly to collapse, and can be flared out under the action of push rod 1.
As shown in figure 4, using the present embodiment withdrawing device when, the card base 6 of conical support 3 is fixed on flange 7 first On the bolt hole of upper surface;Then rotating body 2 extend downwardly into it in anode sheath 10;It is located to movable expansion grab 5 After below anode sheath, the circle that the body of rod of push rod 1 is fully inserted into main body 2 is led in structure, so that movable expansion grab 5 It opens, blocks 10 bottom of impressed current anode sheath;The handle of rotating body 2 again passes through the customization bearing 4 connecting with 2 bottom of main body Drive impressed current anode sheath 10 is whole to be lifted up with movable expansion grab 5;After the whole loosening of anode sheath 10, upper extraction Device or continuation rotating body 2 take out sheath out.In this course, due to the presence of customization bearing 4, so that in main body 2 Movable expansion grab 5 will not transfer with anode sheath 10 in rotary course.
The anode sheath withdrawing device of the present embodiment is then sharp by movable 5 card main auxiliary anode sheath of expansion grab Whole device is fixed with bracket 3, is taken out impressed current anode sheath 10 by rotation T-type main body 2.The device has following excellent Point:
(1) due to the use of conical support 3, whole device is become stable, and the stress of impressed current anode sheath also becomes controllable;
(2) main body 2 is slightly narrower than anode sheath 10, so as to there is certain supporting role to it, sheath is prevented to be broken;
(3) customization bearing 4 enables main body 2 independently to rotate, to not influence movable expansion grab 5 and anode sheath The reliability buckled between 10.
The anode sheath withdrawing device of the present embodiment can be not only used for taking out the impressed current anode sheath in pipeline of nuclear power plant, It can also be used for taking out other embedded objects with similar structure.Obviously, those skilled in the art can to the present invention into The various modification and variations of row are without departing from the spirit and scope of the present invention.It is wanted if these modifications and variations belong to right of the present invention Ask and its equivalent technologies within the scope of, then the present invention is also intended to include these modifications and variations.

Claims (10)

1. a kind of impressed current anode sheath withdrawing device, it is characterised in that: including push rod (1), main body (2) and bracket (3);Main body (2) it is inserted into the cylinder of main body (2) for the push rod (1) with handle and externally threaded cylindrical structure, T-type structure, push rod (1) Length is greater than the length of main body (2);Main body (2) is inserted into bracket (3), is connected through a screw thread with bracket (3);The bottom of main body (2) Portion is connected with movable expansion grab (5) by customizing bearing (4);The generally intermediate revolution for being provided with through-hole of customization bearing (4) Body structure, the diameter of through-hole and the external diameter of rod body of push rod (1) are adapted;Customizing bearing includes revolving body and the bottom for rolling connection Seat;Revolving body is fixedly connected with main body (2) bottom, can be rotated and be promoted as main body (2) synchronize;Chassis interior has The lower part of cavity, revolving body is located in the cavity of pedestal;Movable expansion grab (5) can be under the action of push rod (1) outward It opens.
2. impressed current anode sheath withdrawing device as described in claim 1, it is characterised in that: the revolution of customization bearing (4) Body is dies, and the inside of the pedestal forms inverted " T " font cavity, and the lower part of " I " fonts revolving body is located at In the cavity of pedestal.
3. impressed current anode sheath withdrawing device as claimed in claim 1 or 2, it is characterised in that: customization bearing (4) It is provided with roll structure between " I " fonts revolving body and pedestal, to realize rolling connection.
4. impressed current anode sheath withdrawing device as claimed in claim 1 or 2, it is characterised in that: the bracket (3) be taper, Taper type or cylindrical shape.
5. impressed current anode sheath withdrawing device as claimed in claim 4, it is characterised in that: during the frustum type bracket (3) is Hollow structure is connect by the internal screw thread at top with the external screw thread of main body (2).
6. impressed current anode sheath withdrawing device as claimed in claim 1 or 2, it is characterised in that: the bottom of the bracket (3) is set Have card base (6), card base (6), which is inserted into the bolt hole of flange (7), forms cooperation.
7. impressed current anode sheath withdrawing device as claimed in claim 6, it is characterised in that: the outer diameter and sun of the main body (2) The internal diameter of pole sheath (10) is interference fitted.
8. impressed current anode sheath withdrawing device as claimed in claim 1 or 2, it is characterised in that: the movable expansion grab (5) pass through rolling bearing or be hingedly connected at customization bearing bottom.
9. impressed current anode sheath withdrawing device as claimed in claim 8, it is characterised in that: under customization bearing (4) pedestal Bottom surface is symmetrically connected with two movable expansion grabs (5) or is equally distributed multiple movable expansion grabs (5).
10. a kind of impressed current anode sheath withdrawing device as claimed in claim 6, it is characterised in that in turn include the following steps:
The card base (6) of bracket (3) is fixed on the bolt hole of flange (7) upper surface by step 1.;
Step 2. rotating body (2) extends downwardly into it in anode sheath (10);
The body of rod of push rod (1) is fully inserted into main body after movable expansion grab (5) is located at below anode sheath by step 3. (2) in cylindrical structure, so that movable expansion grab (5) is opened, impressed current anode sheath (10) bottom is blocked;
The handle of step 4. rotating body (2) passes through the customization bearing (4) and movable inflating clip connecting with main body (2) bottom Hook (5) drives impressed current anode sheath (10) to be integrally lifted up;
Step 5. is drawn off after anode sheath (10) integrally loosens.
CN201811285945.7A 2018-10-31 2018-10-31 Auxiliary anode sheath taking-out device and application method thereof Active CN109397188B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811285945.7A CN109397188B (en) 2018-10-31 2018-10-31 Auxiliary anode sheath taking-out device and application method thereof

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Application Number Priority Date Filing Date Title
CN201811285945.7A CN109397188B (en) 2018-10-31 2018-10-31 Auxiliary anode sheath taking-out device and application method thereof

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CN109397188A true CN109397188A (en) 2019-03-01
CN109397188B CN109397188B (en) 2024-01-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110919596A (en) * 2020-01-02 2020-03-27 中车青岛四方机车车辆股份有限公司 Bush press-fitting device
CN111086355A (en) * 2019-12-31 2020-05-01 浙江合众新能源汽车有限公司 Simple auxiliary tool for assembling hubcap
CN112223169A (en) * 2020-09-28 2021-01-15 浪潮电子信息产业股份有限公司 Dismounting and mounting jig for clamping mainboard

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191518076A (en) * 1915-12-28 1916-06-01 Ebenezer George Cross A New or Improved Device for Extracting Ball Bearing Races, Valve Seats, and the like from their Pockets or Housings.
CN104015161A (en) * 2014-06-10 2014-09-03 上海大学 Assembly and disassembly device for electric spindle bearing
CN107009318A (en) * 2017-04-10 2017-08-04 浙江亚太机电股份有限公司 Bearing disassembling device
CN107020595A (en) * 2017-05-17 2017-08-08 中核核电运行管理有限公司 A kind of nuclear power plant impressed current anode withdrawing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191518076A (en) * 1915-12-28 1916-06-01 Ebenezer George Cross A New or Improved Device for Extracting Ball Bearing Races, Valve Seats, and the like from their Pockets or Housings.
CN104015161A (en) * 2014-06-10 2014-09-03 上海大学 Assembly and disassembly device for electric spindle bearing
CN107009318A (en) * 2017-04-10 2017-08-04 浙江亚太机电股份有限公司 Bearing disassembling device
CN107020595A (en) * 2017-05-17 2017-08-08 中核核电运行管理有限公司 A kind of nuclear power plant impressed current anode withdrawing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111086355A (en) * 2019-12-31 2020-05-01 浙江合众新能源汽车有限公司 Simple auxiliary tool for assembling hubcap
CN111086355B (en) * 2019-12-31 2021-07-23 浙江合众新能源汽车有限公司 Simple auxiliary tool for assembling hubcap
CN110919596A (en) * 2020-01-02 2020-03-27 中车青岛四方机车车辆股份有限公司 Bush press-fitting device
CN112223169A (en) * 2020-09-28 2021-01-15 浪潮电子信息产业股份有限公司 Dismounting and mounting jig for clamping mainboard

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