CN113690711A - Reactor core thermocouple joint maintenance device - Google Patents
Reactor core thermocouple joint maintenance device Download PDFInfo
- Publication number
- CN113690711A CN113690711A CN202110914998.6A CN202110914998A CN113690711A CN 113690711 A CN113690711 A CN 113690711A CN 202110914998 A CN202110914998 A CN 202110914998A CN 113690711 A CN113690711 A CN 113690711A
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- CN
- China
- Prior art keywords
- push rod
- retaining clip
- connector
- thermocouple junction
- male pin
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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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a reactor core thermocouple joint maintenance device.A plug is inserted towards a male pin provided with a retaining clip of a thermocouple joint, a convex edge is matched and aligned with a notch of the retaining clip, the retaining clip positioned in an insertion cavity is pulled out together by rotating and pulling out the plug, and insulating ceramics sleeved on the male pin of the thermocouple joint is replaced; and pressing the push rod, wherein the end of the push rod pushes the retaining clamp in the insertion cavity until the convex edge is separated from the notch of the retaining clamp, the retaining clamp is tightly clamped with the male pin of the thermocouple joint, and the retaining clamp presses the insulating ceramic sleeved on the male pin. The reactor core thermocouple joint maintenance device can disassemble and assemble the retaining clip on the thermocouple joint male needle, prevent the retaining clip from being lost and repeatedly utilize the retaining clip; the structure is simple and convenient to operate.
Description
Technical Field
The invention relates to the field of nuclear power appliances, in particular to a reactor core thermocouple joint maintenance device.
Background
In the prior art, the damaged thermocouple ceramic is replaced and used by common conventional tools such as tweezers, sharp-nose pliers and the like, the ceramic body is easily damaged by the method, the retaining clip is lost, and even foreign matters in a reactor core are introduced, so that the defects are obvious, the risk is high, and the operation is difficult.
Disclosure of Invention
The invention aims to solve the technical problem of providing a reactor core thermocouple joint maintenance device, which can disassemble and assemble a retaining clip on a thermocouple joint male needle, prevent the retaining clip from being lost and can repeatedly use the retaining clip; the structure is simple and convenient to operate.
In order to solve the above technical problems, an embodiment of the present invention provides a core thermocouple junction maintenance device for removing and installing a retaining clip on a thermocouple junction male pin and replacing an insulating ceramic in a thermocouple junction, including: the shell is of a hollow structure with openings at two ends; the connector of detachable connection on the one end opening position of casing, the connector includes: the plug is internally provided with an inserting cavity with the cross section shape matched with that of the holding clamp, the inserting cavity is provided with a convex edge, and the extending direction of the convex edge is parallel to the direction of the central axis of the inserting cavity; and the detachable push rod of installing in casing and connector, the push rod includes: the push rod comprises a push rod body and a push rod end head connected to the push rod body, wherein an opening is formed in the push rod end head, and the position of the opening is matched with the position of the rib; wherein: inserting the plug towards a male pin provided with a retaining clip of the thermocouple joint, aligning the convex edge with the notch of the retaining clip in a matching way, rotating and pulling out the plug to pull out the retaining clip positioned in the insertion cavity together, and replacing the insulating ceramic sleeved on the male pin of the thermocouple joint; and pressing the push rod, wherein the end of the push rod pushes the retaining clamp in the insertion cavity until the convex edge is separated from the notch of the retaining clamp, the retaining clamp is tightly clamped with the male pin of the thermocouple joint, and the retaining clamp presses the insulating ceramic sleeved on the male pin.
Wherein, still include: the elasticity that detachable installed in casing and connector resets, and elasticity resets and cup joints on the push rod body, and the one end that elasticity resets supports presses on the connector body, and the other end supports presses on the push rod body.
Wherein, elasticity resets and is reset spring, and reset spring is in compression state.
Wherein, still include: and the press button is arranged on the opening position at the other end of the shell and is connected with one end part of the push rod body.
Wherein, be equipped with the first baffle that is used for supporting elasticity piece that resets on the push rod body, still be equipped with the second baffle that is used for preventing the push rod body from deviating from by the casing on the push rod body.
Wherein, the connector body is cone-shaped, and the connector body is in threaded connection with the shell.
Wherein, the shell, the connector and the push rod are respectively made of stainless steel materials.
Wherein, the retaining clip is of an annular structure, and the opening direction of the notch on the retaining clip is parallel to the central axis direction of the retaining clip.
The reactor core thermocouple joint maintenance device provided by the invention has the following beneficial effects: inserting the plug towards a male pin provided with a retaining clip of the thermocouple joint, aligning the convex edge with the notch of the retaining clip in a matching way, rotating and pulling out the plug to pull out the retaining clip positioned in the insertion cavity together, and replacing the insulating ceramic sleeved on the male pin of the thermocouple joint; pressing the push rod, wherein the end of the push rod pushes the retaining clip in the insertion cavity until the convex edge is separated from the notch of the retaining clip, the retaining clip is clamped with the male pin of the thermocouple joint to be disassembled and assembled, the retaining clip presses the insulating ceramic sleeved on the male pin, the retaining clip on the male pin of the thermocouple joint can be disassembled and assembled, the retaining clip is prevented from being lost, and the retaining clip can be reused; the structure is simple and convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an external schematic view of a core thermocouple junction maintenance device according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view illustrating a core thermocouple junction maintenance device according to an embodiment of the present invention.
Fig. 3 is a schematic top view illustrating a connection head of a core thermocouple junction maintenance device according to an embodiment of the present invention.
FIG. 4 is a schematic view of a core thermocouple junction installation retaining clip according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, a first embodiment of the core thermocouple junction maintenance device according to the present invention is shown.
The core thermocouple junction maintenance device in this embodiment is used to disassemble and assemble the retaining clip 9 on the thermocouple junction male pin 80 and replace the insulating ceramic 7 in the thermocouple junction 8. The retaining clip 9 is provided with a notch 91, and the opening direction of the notch 91 is parallel to the central axis direction of the retaining clip 9.
The function of the retaining clip 9 is: the pressing insulating ceramic 7 is arranged at the opening of the thermocouple joint 8, and the gap 91 is used for: the disassembly and assembly operation is carried out by matching with the maintenance device in the embodiment.
The core thermocouple junction maintenance device in this embodiment includes: the device comprises a shell 1, wherein the shell 1 is a hollow structure with openings at two ends; detachable connects connector 2 on the one end opening position of casing 1, and connector 2 includes: the plug 22 is provided with an insertion cavity 221 with a cross section shape matched with that of the holding clamp, the insertion cavity 221 is provided with a convex rib 222, and the extending direction of the convex rib 222 is parallel to the central axis direction of the insertion cavity 221.
Detachable installs the push rod 3 in casing 1 and connector 2, and push rod 3 includes: the push rod comprises a push rod body 31 and a push rod end head 32 connected to the push rod body 31, wherein an opening 320 is formed in the push rod end head 32, and the position of the opening 320 is matched with the position of the rib 222.
Wherein: inserting the plug 22 towards the male pin 80 provided with the retaining clip 9 of the thermocouple junction 8, aligning the convex edge 222 with the notch 91 of the retaining clip 9 in a matching way, rotating and pulling out the plug 22 to pull out the retaining clip 9 in the inserting cavity 221 together, and replacing the insulating ceramic 7 sleeved on the male pin 80 of the thermocouple junction 8; when the push rod 3 is pressed, the end head 32 of the push rod pushes the retaining clip 9 in the insertion cavity 221 until the convex rib 222 is separated from the notch 91 of the retaining clip 9, the retaining clip 9 is clamped with the male pin 80 of the detachable thermocouple connector 8, and the retaining clip 9 presses the insulating ceramic 7 sleeved on the male pin 80.
Further, the method also comprises the following steps: the elastic reset piece is detachably arranged in the shell 1 and the connector 2, the elastic reset piece is sleeved on the push rod body 31, one end of the elastic reset piece is pressed on the connector body 21, and the other end of the elastic reset piece is pressed on the push rod body 31.
Preferably, the elastic reset piece is a reset spring, and the reset spring is in a compressed state.
Wherein, still include: install the button 5 on the other end opening position of casing 1, the one end at push rod body 31 is connected to button 5, and in handheld casing 1 operation process, through pressing button 5, the operation is released to push rod 3.
In specific implementation, the housing 1, the connector 2 and the push rod 3 are made of stainless steel materials. Casing 1 is equipped with open-ended hollow structure for both ends for hold push rod 3 and connector 2, connector 2's connector body 21 is the taper, and connector body 21 is threaded connection with casing 1, and press button 5 and push rod body 31 are threaded connection.
The plug 22 is a pipe column structure having a pipe diameter size smaller than that of the housing 1, and the plug 22 can be inserted therein from the open end of the thermocouple junction 8. The retaining clip 9 is of annular configuration and the cross-sectional shape of the internal cavity 222 of the plug 22 is adapted to the cross-sectional shape of the retaining clip 8 so that the retaining clip 9 can be received therein.
Furthermore, a rib 222 is disposed on an inner wall of the insertion cavity 222, and an extending direction of the rib 222 is parallel to a central axis direction of the insertion cavity 221.
The function of the ribs 222 is: the retention clip 9 can be maintained in fitting alignment with the notch 91 of the retention clip 9 during insertion of the plug 22 into the thermocouple junction 8, so that the retention clip 9 can be spread apart, the retention clip 9 can be pulled up together during rotation of the maintenance device, and the retention clip 9 can be guided to be received in the insertion cavity 221.
Further, 3 detachable of push rod install in the inside of casing 1 and connector 2, push rod 3 includes: the push rod comprises a push rod body 31 and a push rod end head 32 connected to the push rod body 31, wherein an opening 320 is formed in the push rod end head 32, and the position of the opening 320 is matched with the position of the rib 222.
The function of the opening 320 is: in the process of pushing the retaining clip 9 out of the insertion cavity 221 by the push rod 3, the position of the rib 222 in the insertion cavity 221 can be avoided, and the rib 222 can be separated from the notch 91 of the retaining clip 9 for resetting.
Preferably, the push rod body 31 is provided with a first baffle 31a for supporting the elastic restoring member, and the push rod body 31 is further provided with a second baffle 31b for preventing the push rod body 31 from coming off the housing 1.
In the specific implementation of the reactor core thermocouple junction maintenance device in this embodiment, when the retaining clip 9 needs to be removed, the plug 22 of the maintenance device connector 2 is inserted onto the male pin 80 with the retaining clip 9 mounted on the thermocouple junction 8, the rib 222 in the insertion cavity 221 is aligned with the notch 91 of the retaining clip 9, then the device is rotated clockwise to drive the retaining clip 9 to rotate, and then the device is lifted while rotating, so that the retaining clip 9 in the insertion cavity 221 is pulled out together, and the removal of the retaining clip can be completed, and the insulating ceramic in the connector can be removed.
At this time, the retaining clip 9 is fixed in the insertion cavity 221 of the header 2.
When the retaining clip 9 is installed, firstly, the insulating ceramic 7 in the thermocouple joint 8 is replaced by a new spare part, then the maintenance sleeve is sleeved on the male pin 80 of the thermocouple joint 8, the press button 5 is pressed down, the press button 5 pushes the push rod 3, the end head 32 of the push rod pushes the retaining clip 9 positioned in the insertion cavity 221 until the convex edge 222 is separated from the notch 91 of the retaining clip 9, the retaining clip 9 can be pushed out from the insertion cavity 221, the retaining clip 9 is clamped with the male pin 80 of the thermocouple joint 8, and the retaining clip 9 presses the insulating ceramic 7 sleeved on the male pin 80. The push rod 3 in the maintenance device is rebounded to the original position by the elastic reset piece by loosening the press button 5, and then the next operation can be carried out.
The reactor core thermocouple joint maintenance device has the following beneficial effects: inserting the plug towards a male pin provided with a retaining clip of the thermocouple joint, aligning the convex edge with the notch of the retaining clip in a matching way, rotating and pulling out the plug to pull out the retaining clip positioned in the insertion cavity together, and replacing the insulating ceramic sleeved on the male pin of the thermocouple joint; pressing the push rod, wherein the end of the push rod pushes the retaining clip in the insertion cavity until the convex edge is separated from the notch of the retaining clip, the retaining clip is clamped with the male pin of the thermocouple joint to be disassembled and assembled, the retaining clip presses the insulating ceramic sleeved on the male pin, the retaining clip on the male pin of the thermocouple joint can be disassembled and assembled, the retaining clip is prevented from being lost, and the retaining clip can be reused; the structure is simple and convenient to operate.
Claims (8)
1. A reactor core thermocouple junction maintenance device for disassembling and assembling a retaining clip on a thermocouple junction male needle and replacing insulating ceramics in a thermocouple junction, comprising:
the shell is of a hollow structure with openings at two ends;
detachable connects connector on the one end opening position of casing, the connector includes: the plug comprises a connector body and a plug connected to the connector body, wherein an insertion cavity with a cross section shape matched with that of a holding clamp is arranged inside the plug, a convex edge is arranged on the insertion cavity, and the extending direction of the convex edge is parallel to the direction of the central axis of the insertion cavity; and
detachable installs the casing with push rod in the connector, the push rod includes: the push rod comprises a push rod body and a push rod end head connected to the push rod body, wherein an opening is formed in the push rod end head, and the position of the opening is matched with the position of the convex rib; wherein:
the plug is inserted towards a male pin provided with a retaining clip of the thermocouple joint, the convex edge is aligned with the notch of the retaining clip in a matching way, the plug is rotationally pulled out to pull out the retaining clip positioned in the insertion cavity together, and the insulating ceramic sleeved on the male pin of the thermocouple joint is replaced;
and pressing the push rod, wherein the end head of the push rod pushes the retaining clip positioned in the insertion cavity until the convex edge is separated from the notch of the retaining clip, the retaining clip is tightly clamped with the male pin of the detachable thermocouple connector, and the retaining clip presses the insulating ceramic sleeved on the male pin.
2. The core thermocouple junction servicing device of claim 1, further comprising: the detachable install the casing with elasticity in the connector resets the piece, elasticity resets the piece and cup joints on the push rod body, elasticity resets one end of piece and supports and press on the connector body, and the other end supports and presses on the push rod body.
3. The core thermocouple junction servicing device of claim 2, wherein the resilient return member is a return spring, the return spring being in compression.
4. The core thermocouple junction servicing device of claim 1, further comprising: and the pressing button is arranged on the opening position at the other end of the shell and is connected with one end part of the push rod body.
5. The core thermocouple junction maintenance device of claim 2, wherein the push rod body is provided with a first baffle for supporting the elastic return member, and the push rod body is further provided with a second baffle for preventing the push rod body from being removed from the housing.
6. The core thermocouple junction servicing device of claim 1, wherein the connector body is tapered and is threadedly connected to the housing.
7. The core thermocouple junction servicing device of claim 1, wherein the housing, the connection head and the push rod are each made of a stainless steel material.
8. The core thermocouple junction servicing device of claim 1, wherein the retaining clip is of an annular configuration with a gap opening in a direction parallel to a central axis of the retaining clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914998.6A CN113690711B (en) | 2021-08-10 | 2021-08-10 | Reactor core thermocouple joint maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914998.6A CN113690711B (en) | 2021-08-10 | 2021-08-10 | Reactor core thermocouple joint maintenance device |
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| Publication Number | Publication Date |
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| CN113690711A true CN113690711A (en) | 2021-11-23 |
| CN113690711B CN113690711B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110914998.6A Active CN113690711B (en) | 2021-08-10 | 2021-08-10 | Reactor core thermocouple joint maintenance device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195219A (en) * | 1978-05-19 | 1980-03-25 | International Telephone And Telegraph Corporation | Heating apparatus |
| CN102369785A (en) * | 2009-03-27 | 2012-03-07 | Ats自动化加工系统公司 | Thermode, clamping arrangement therefor, and method of manufacture |
| CN202373836U (en) * | 2011-09-09 | 2012-08-08 | 中国航天科工集团第三研究院第八三五七研究所 | Plug device |
| CN108429018A (en) * | 2017-02-14 | 2018-08-21 | 塔克及海林阁有限公司 | Electric device is connected to the method for connecting cable and with the electric device of the cable |
| CN108736293A (en) * | 2017-11-13 | 2018-11-02 | 江苏核电有限公司 | A kind of heap core surveys contact pin in plug and takes out tool and removing method |
| CN209389321U (en) * | 2019-01-29 | 2019-09-13 | 盐城市赫普科技有限公司 | A kind of ceramic plug of thermocouple |
| CN110226965A (en) * | 2018-03-06 | 2019-09-13 | 韦伯斯特生物官能(以色列)有限公司 | Positioning tube for electrode |
| CN110994331A (en) * | 2019-12-26 | 2020-04-10 | 美安创新医疗科技无锡有限公司 | Electrical connection method in medical dust-free workshop |
-
2021
- 2021-08-10 CN CN202110914998.6A patent/CN113690711B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195219A (en) * | 1978-05-19 | 1980-03-25 | International Telephone And Telegraph Corporation | Heating apparatus |
| CN102369785A (en) * | 2009-03-27 | 2012-03-07 | Ats自动化加工系统公司 | Thermode, clamping arrangement therefor, and method of manufacture |
| CN202373836U (en) * | 2011-09-09 | 2012-08-08 | 中国航天科工集团第三研究院第八三五七研究所 | Plug device |
| CN108429018A (en) * | 2017-02-14 | 2018-08-21 | 塔克及海林阁有限公司 | Electric device is connected to the method for connecting cable and with the electric device of the cable |
| CN108736293A (en) * | 2017-11-13 | 2018-11-02 | 江苏核电有限公司 | A kind of heap core surveys contact pin in plug and takes out tool and removing method |
| CN110226965A (en) * | 2018-03-06 | 2019-09-13 | 韦伯斯特生物官能(以色列)有限公司 | Positioning tube for electrode |
| CN209389321U (en) * | 2019-01-29 | 2019-09-13 | 盐城市赫普科技有限公司 | A kind of ceramic plug of thermocouple |
| CN110994331A (en) * | 2019-12-26 | 2020-04-10 | 美安创新医疗科技无锡有限公司 | Electrical connection method in medical dust-free workshop |
Non-Patent Citations (2)
| Title |
|---|
| 林绍萱，贺友光，姚忠祥，程晓鸣: "测温热电偶拔出回收技术及回收处理装置", 核动力工程, no. 05 * |
| 程晓鸣，杨炳文，胡亚平，林绍萱，贺友光: "测温热电偶自动插装技术及插装机械手", 核动力工程, no. 05 * |
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| CN113690711B (en) | 2023-09-12 |
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