CN114654207B - Nuclear island inner pile top cable joint dismounting tool and use method thereof - Google Patents
Nuclear island inner pile top cable joint dismounting tool and use method thereof Download PDFInfo
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- CN114654207B CN114654207B CN202210288411.XA CN202210288411A CN114654207B CN 114654207 B CN114654207 B CN 114654207B CN 202210288411 A CN202210288411 A CN 202210288411A CN 114654207 B CN114654207 B CN 114654207B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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Abstract
The utility model belongs to the technical field of nuclear island reactor overhauling, and provides a nuclear island inner pile top cable connector dismounting tool and a using method thereof, and the nuclear island inner pile top cable connector dismounting tool comprises the following components: the power operation control mechanism comprises a control device, a power motor and a collection device, wherein the power motor and the collection device are respectively connected with the control device; the power conversion output mechanism is connected to one side of the power operation control mechanism through the power motor and comprises a motor gear, a second transmission gear, a first transmission gear meshed with the motor gear and the second transmission gear respectively, a clamping jaw gear with an opening at one side, a first transition gear meshed with the motor gear and the clamping jaw gear respectively, and a second transition gear meshed with the second transmission gear and the clamping jaw gear respectively; and one end of the automatic claw mechanism is fixedly arranged in the clamping jaw gear, and the automatic claw mechanism and the power operation control mechanism are respectively arranged on two sides of the power conversion output mechanism.
Description
Technical Field
The disclosure belongs to the technical field of nuclear island reactor overhaul, and particularly relates to a tool for disassembling and assembling a cable connector at the top of a nuclear island inner reactor and a use method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Because the nuclear reactor control protection system of the nuclear power station is numerous in equipment quantity, during each unit overhaul period, the main work comprises dismantling and installing the communication cable of the reactor top instrument control self-contained cable and the neutron measurement system and extracting the neutron temperature measurement channel, the operation can only be carried out by manpower at present, the disassembly and the assembly of hundreds of multi-specification instrument control self-contained cable threaded end joints on the cement wall side of the reactor vertical shaft, the disassembly and the assembly of hundreds of instrument control self-contained cable threaded end joints on the control rod driving mechanism side and the disassembly of tens of neutron measurement channels are mainly covered, the total number of working objects is more than five hundred, the operation needs to be carried out for a long time under the severe environments such as narrow space, high environmental temperature, high radiation dose of surrounding environment and the like, and the operation can only be completed by manpower under the condition that the number of required working personnel is numerous, the disassembly and assembly and the cable operation occupy long overhaul key path time according to the past operation statistics, the collective dose of personnel is large, and the risk of heatstroke of personnel exists is caused by the continuous operation time; in view of this, the work efficiency of the disassembly is extremely low.
Disclosure of Invention
In order to solve the problems, the disclosure provides a tool for disassembling and assembling a top-stacked cable joint in a nuclear island and a use method thereof, which improve the maintenance operation efficiency of a nuclear reactor control protection system, shorten the working time of a major repair critical path, reduce the heatstroke risk of personnel and reduce the consumed manual time and collective dosage by structurally improving the disassembling and assembling tool.
According to some embodiments, a first aspect of the present disclosure provides a tool for disassembling a cable connector at a top of a stack in a nuclear island, which adopts the following technical scheme:
a nuclear island in-core roof cable joint disassembly and assembly tool, comprising:
the power operation control mechanism comprises a control device, a power motor and a collection device, wherein the power motor and the collection device are respectively connected with the control device;
the power conversion output mechanism is connected to one side of the power operation control mechanism through the power motor and comprises a motor gear, a second transmission gear, a first transmission gear meshed with the motor gear and the second transmission gear respectively, a clamping jaw gear with an opening at one side, a first transition gear meshed with the motor gear and the clamping jaw gear respectively, and a second transition gear meshed with the second transmission gear and the clamping jaw gear respectively; the motor gear is arranged on the power motor output shaft, and the minimum linear distance between the outer edge of the first transition gear and the outer edge of the second transition gear is smaller than the opening size of the clamping jaw gear;
the automatic claw mechanism is fixedly arranged in the claw gear at one end, and the automatic claw mechanism and the power operation control mechanism are respectively arranged at two sides of the power conversion output mechanism.
As a further technical definition, it further includes a control mechanism provided outside the power operation control mechanism, the power conversion output mechanism, and the automatic click-on mechanism.
Further, the housing mechanism comprises a tool housing, a tool handle, a gear shield, a lighting device and a start button; the starting button is arranged at a position on the shell mechanism matched with the power motor and is connected with the control device; the lighting device is arranged on the gear guard; the gear housing houses the power conversion output mechanism.
As a further technical limitation, the power conversion output mechanism further comprises a base, and the motor gear, the first transmission gear, the second transmission gear, the first transition gear, the second transition gear and the clamping jaw gear are fixed on the base through a power motor output shaft, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a gear groove respectively.
Further, the power motor output shaft, the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are arranged in parallel.
As a further technical definition, the automatic jaw mechanism comprises a jaw sheath, a jaw and a spring clamping groove; one end of the clamping jaw is fixed in the clamping jaw gear, and the other end of the clamping jaw is embedded in the spring clamping groove; the jaw sheath is disposed outside the jaws.
As a further technical limitation, the tool for disassembling and assembling the cable connector at the top of the pile in the nuclear island further comprises a cable connector clamping opening, wherein the cable connector clamping opening is a C-shaped notch formed by a tool shell, a base and an automatic clamping jaw mechanism, so that the pile top cable can be conveniently loaded into the tool.
As a further technical limitation, the acquisition device is arranged at the tail end of the power motor and comprises a control mechanism used for counting the tightening turns of a cable joint, an absolute value encoder positioned at the tail end of the power motor, controlling and detecting the current of the power motor, controlling the tightening moment and being positioned at the control and power supply part.
As a further technical limitation, the power motor adopts a brushless direct current controllable motor, and the torque acting on the cable joint through the power conversion output mechanism is larger than the tightening torque required by the cable; the power operation control mechanism controls the motor to operate in a space vector PWM mode, and the cable joint is screwed up by uniformly outputting torque.
According to some embodiments, a second aspect of the present disclosure provides a method for using a tool for disassembling and assembling a cable connector at a top of a stack in a nuclear island, which adopts the following technical scheme:
the application method of the tool for disassembling and assembling the cable connector at the top of the reactor in the nuclear island comprises the following steps:
setting an automatic claw mechanism according to the specification and the model of the detached cable;
under the action of the control device, the power operation control mechanism is matched with the power conversion output mechanism, so that the disassembly and assembly of the cable connector are realized.
Compared with the prior art, the beneficial effects of the present disclosure are:
the cable end connector can be quickly removed and installed and fastened in a narrow and limited space; compared with the traditional manual disassembly and assembly of the cable connector by personnel, the disassembly and assembly quality can be ensured by various sensors carried by the personnel, the working time can be effectively shortened, the physical consumption of the personnel is reduced, and the personnel exposure dose and the heatstroke risk are reduced; the device can be operated by a single person, can adapt to moment changes of cable joints under different working conditions, and can adjust the output moment of a tool; the cable connector can be quickly replaced according to different types of cable connectors; the operation mode is simpler and safer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the exemplary embodiments of the disclosure and together with the description serve to explain the disclosure, and do not constitute an undue limitation on the disclosure.
FIG. 1 is a top view block diagram of a tool for removing a top cable joint in a nuclear island in accordance with one embodiment of the present disclosure;
FIG. 2 is a front view block diagram of a tool for removing a top of stack cable joint within a nuclear island in accordance with one embodiment of the present disclosure;
FIG. 3 is a schematic illustration of an isometric construction of a tool for removing a top of stack cable joint within a nuclear island of a shell removal mechanism in accordance with one embodiment of the present disclosure;
FIG. 4 is a schematic illustration of an isometric construction of a power conversion output mechanism with a housing removed in accordance with a first embodiment of the present disclosure;
FIG. 5 is a schematic illustration of another axial structure of a power conversion output mechanism with a housing removed in accordance with a first embodiment of the present disclosure;
FIG. 6 is a schematic view of an automatic click-on mechanism in accordance with a first embodiment of the present disclosure;
FIG. 7 is a schematic view of a cable connector during disassembly and assembly in accordance with a first embodiment of the present disclosure;
FIG. 8 is a schematic view of a disassembled cable connector according to a first embodiment of the present disclosure;
wherein, 1, a power operation control mechanism, 101, a control device, 102, a power motor, 103, a display device, 104, a charging port, 105, a collecting device, 2, a power conversion output mechanism, 201, a motor gear, 202, a first transmission gear, 203, a second transmission gear, 204, a first transition gear, 205, a second transition gear, 206, a clamping jaw gear, 207, a first rotating shaft, 208, a second rotating shaft, 209, a third rotating shaft, 210, a fourth rotating shaft, 211, a base, 212, gear groove, 3, automatic jaw mechanism, 301, jaw sheath, 302, jaw, 303, spring clamping groove, 4, housing mechanism, 401, tool housing, 402, tool handle, 403, gear sheath, 404, lighting device, 405, start button, 5, cable joint clamping mouth, 6, pile top cable protection tube, 7, cable male plug fixed end, 8, cable female plug moving end, 801, cable female plug clamping groove, 802, cable female plug nut, 803, cable female plug thin rod.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly coupled," "connected," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this disclosure may be determined according to circumstances by a person skilled in the relevant art or a person, and is not to be construed as limiting the disclosure.
Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
Example 1
The first embodiment of the disclosure introduces a tool for disassembling and assembling a cable connector at the top of a pile in a nuclear island.
A tool for removing and installing cable joints at the top of a nuclear island, as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, comprises a power operation control mechanism 1, a control device 101, a power motor 102, a display device 103, a charging port 104, a collection device 105, a power conversion output mechanism 2, a motor gear 201, a first transmission gear 202, a second transmission gear 203, a first transition gear 204, a second transition gear 205, a clamping jaw gear 206, a first rotating shaft 207, a second rotating shaft 208, a third rotating shaft 209, a fourth rotating shaft 210, a base 211, a gear groove 212, an automatic clamping jaw mechanism 3, a clamping jaw sheath 301, a clamping jaw 302, a spring clamping groove 303, a housing mechanism 4, a tool housing 401, a tool handle 402, a gear shield 403, a lighting device 404, a start button 405, a cable joint clamping port 5, a top cable protection tube 6, a cable male plug fixed end 7, a cable female plug movable end 8, a cable female plug clamping groove 801, a cable female plug nut 802 and a cable female plug pin 803.
As one or more embodiments, an automation tool special for disassembling and assembling a cable connector at the top of a pile in a nuclear island comprises a power operation control mechanism 1, wherein the power operation control mechanism 1 capable of adjusting the output torque of the tool is provided with a control device 101, and the control device 101 comprises a battery of a power supply module which can be conveniently disassembled and replaced, a control board card for controlling the rotation speed and torque of the tool, a MOS tube switch and other devices; the control device 101 is fixedly connected to the base 211 by adopting a plastic buckle and a screw; the power motor 102 in the power operation control mechanism 1 adopts a motor with a planetary reducer, is fixed on the upper side surface of the base 211 through screws, and has the function of converting high-rotation-speed low-torque power into low-rotation-speed high-torque power and transmitting the low-rotation-speed high-torque power to the motor gear 201 arranged on the other side of the base 211. The display device 103 in the force operation control mechanism 1 is embedded in the tool housing 401, and is connected with the control device 101 through a control data line by adopting a display panel with a touch function, and is used for controlling and monitoring parameters and the like of input and output equipment. The charging port 104 in the power operated control mechanism 1 is also mounted in the tool housing 401, which can charge the device without dismantling the power battery, or can supply power to the device without having the power battery. The start button 405 is a switch button for convenient operation, and is mounted on the tool housing 401.
As one or more embodiments, an automated tool special for disassembling and assembling a cable joint at the top of a pile in a nuclear island comprises a power conversion output mechanism 2, wherein the power conversion output part capable of converting motor torque to a working clamping jaw for disassembling the cable joint comprises a motor gear 201, a first transmission gear 202, a second transmission gear 203, a first transition gear 204, a second transition gear 205, a clamping jaw gear 206, a first rotating shaft 207, a second rotating shaft 208, a third rotating shaft 209, a fourth rotating shaft 210, a base 211 and a gear groove 212; the base 211 is used to fix all the drive gears. The motor gear 201 is connected with the planetary reducer output shaft of the power motor 102 in a tight fit mode, the base 211 is provided with a mounting shaft, the mounting shaft is connected with a corresponding gear through a mounting bearing, the first transmission gear 202 is mounted on the base 211 through a first rotating shaft 207, the second transmission gear 203 is mounted on the base 211 through a second rotating shaft 208, the first transition gear 204 is mounted on the base 211 through a third rotating shaft 209, the second transition gear 205 is mounted on the base 211 through a fourth rotating shaft 210, the clamping jaw gear 206 is connected with the base 211 through a gear groove 212 formed in the clamping jaw gear 206, and the groove width and the thickness of the base 211 are designed through fit tolerance, so that the clamping jaw gear can flexibly rotate without affecting the disassembly precision.
As one or more embodiments, an automated tool special for disassembling and assembling a cable connector at the top of a pile in a nuclear island comprises an automatic jaw mechanism 3, wherein the automatic jaw mechanism 3 capable of automatically clamping the cable connector comprises a jaw sheath 301 and a jaw 302, the automatic jaw mechanism 3 is connected with a jaw gear 206 through screws, the automatic jaw mechanism 3 can be replaced according to different types of cable connectors, the jaw 302 adopts a spring piece structure, the upper part of the jaw 302 is rigidly connected with the jaw sheath 301, the lower part of the jaw 302 is embedded into a spring clamping groove 303 and can be freely compressed, and when a cable plug is placed in the cable sheath, the automatic jaw mechanism 3 can be automatically embedded into the cable female plug clamping groove 801, and the jaw gear power can be used for disassembling and assembling the cable connector.
As one or more embodiments, a special automated tool for disassembling and assembling a cable connector at the top of a pile in a nuclear island comprises a shell mechanism 4, wherein the shell mechanism 4 for supporting the whole structure of the tool comprises a tool shell 401, a tool handle 402 and a gear shield 403. The tool housing 401 is attached to the base 211 by screws and carries the display device 103 and the like. The tool handle 402 is fixed on the tool housing 401 through screws, and the part has the functions of skid resistance and shock resistance, so that the inconvenience and inadaptation of the equipment to users can be reduced. The gear guard 403 is mounted to the base 211 by screws for protecting the gears, and foreign substances may not be generated during the use of the tool. The lighting device 404 (in this embodiment, the lighting device 404 adopts an LED lighting lamp) is arranged on the gear shield 403 around the automatic jaw mechanism 3, so as to provide auxiliary lighting for aligning the cable joint by an operator in a dark environment.
The embodiment improves the structure of the dismounting tool, improves the overhaul operation efficiency of the nuclear reactor control protection system, shortens the working time of a major repair critical path, reduces the heatstroke risk of personnel and reduces the consumed manual time and collective dose; during use, no foreign matter is generated, and the accessory is provided with a measure for preventing the generation of the foreign matter, so that the foreign matter is prevented from being generated on the top of the nuclear island reactor, and the nuclear reactor is prevented from being influenced; different disassembly and assembly moments are set according to the cable joints at different positions, and the adjustable moment has high-precision output and monitoring, so that the screw threads of the disassembled and assembled cable joints are prevented from being damaged, and disassembly and assembly are ensured to be in place; based on the disassembly and assembly tool for the cable connector at the top of the reactor in the nuclear island introduced in the embodiment, the disassembly and the assembly fastening of the cable end connector can be rapidly completed in a narrow and limited space; compared with the traditional manual disassembly and assembly of the cable connector by personnel, the disassembly and assembly quality can be ensured by various sensors carried by the personnel, the working time can be effectively shortened, the physical consumption of the personnel is reduced, and the personnel exposure dose and the heatstroke risk are reduced; the device can be operated by a single person, can adapt to moment changes of cable joints under different working conditions, and can adjust the output moment of a tool; the cable connector can be quickly replaced according to different types of cable connectors; the operation mode is simpler and safer.
Example two
The second embodiment of the disclosure introduces a use method of the tool for disassembling and assembling the cable connector at the top of the reactor in the nuclear island.
The application method of the tool for disassembling and assembling the cable connector at the top of the reactor in the nuclear island comprises the following steps:
setting an automatic claw mechanism according to the specification and the model of the detached cable;
under the action of the control device, the power operation control mechanism is matched with the power conversion output mechanism, so that the disassembly and assembly of the cable connector are realized.
As one or more embodiments, an automated tool special for disassembling and assembling a cable connector at the top of a pile in a nuclear island is used, when tool parameters are set according to the specification of a cable plug, a proper automatic clamping jaw mechanism 3 is replaced, then a part of a cable female plug thin rod 803 of a cable female plug moving end 8 enters through a cable connector clamping opening 5 and moves upwards, a cable female plug nut 802 enters the automatic clamping jaw mechanism 3, a clamping jaw 302 is compressed, then the cable female plug moving end 8 is rotated, a cable female plug clamping groove 801 is ejected and clamped by the clamping jaw 302, and at the moment, automatic clamping jaw actions are completed.
The tool is manually sent into the pile top cable protection tube 6, the cable female plug movable end 8 and the cable male plug fixed end 7 are aligned at the moment, the starting button 405 is manually operated, the tool starts to work, the power motor 102 rotates to drive all stages of transmission gears to the clamping jaw gears, and the clamping jaw gears drive the automatic clamping jaw parts to be used for disassembling the cable joint. The control section controls the number of rotations through an absolute value encoder, monitors the disassembly torque by monitoring the motor current, and the like.
As one or more embodiments, when the automated tool special for disassembling and assembling the cable connector at the top of the pile in the nuclear island works, when the opening position of the clamping jaw gear 206 rotates to the inside, the opening position is not meshed with the second transition gear 205 because of no meshing teeth, at the moment, only the first transition gear 204 provides power, when the clamping jaw gear 206 is meshed with the second transition gear 205 again after rotating for a certain angle, at the moment, two transition gears provide power for the clamping jaw gear 206, and when the clamping jaw gear 206 is meshed with the first transition gear 204 again after rotating for a certain angle, at the moment, only the second transition gear 205 provides power for the clamping jaw gear, and the motor power can be continuously transmitted to the automatic clamping jaw part for disassembling the cable connector through uninterrupted transition conversion.
The foregoing description of the preferred embodiments of the present disclosure is provided only and not intended to limit the disclosure so that various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (7)
1. The utility model provides a nuclear island is piled top cable joint assembly and disassembly tools, its characterized in that includes:
the power operation control mechanism comprises a control device, a power motor and a collection device, wherein the power motor and the collection device are respectively connected with the control device;
the power conversion output mechanism is connected to one side of the power operation control mechanism through the power motor and comprises a motor gear, a second transmission gear, a first transmission gear meshed with the motor gear and the second transmission gear respectively, a clamping jaw gear with an opening at one side, a first transition gear meshed with the motor gear and the clamping jaw gear respectively, and a second transition gear meshed with the second transmission gear and the clamping jaw gear respectively; the motor gear is arranged on the power motor output shaft, and the minimum linear distance between the outer edge of the first transition gear and the outer edge of the second transition gear is smaller than the opening size of the clamping jaw gear;
the automatic clamping jaw mechanism is fixedly arranged in the clamping jaw gear at one end, and the automatic clamping jaw mechanism and the power operation control mechanism are respectively arranged at two sides of the power conversion output mechanism;
a housing mechanism provided outside the power operation control mechanism, the power conversion output mechanism, and the automatic claw mechanism;
the automatic clamping jaw mechanism comprises a clamping jaw sheath, clamping jaws and a spring clamping groove; one end of the clamping jaw is fixed in the clamping jaw gear, and the other end of the clamping jaw is embedded in the spring clamping groove; the clamping jaw sheath is arranged outside the clamping jaw; the cable female plug nut enters an automatic claw mechanism, the clamping claw is compressed, then the cable female plug moving end is rotated, and the cable female plug clamping groove is ejected and clamped by the clamping claw;
the acquisition device is arranged at the tail end of the power motor and comprises an absolute value encoder and a control mechanism; the number of rotations is controlled by an absolute value encoder and the torque of the disassembly is monitored by monitoring the motor current.
2. The tool for removing and installing a cable connector on a nuclear island roof of claim 1, wherein said housing means comprises a tool housing, a tool handle, a gear shroud, a lighting device and a start button; the starting button is arranged at a position on the shell mechanism matched with the power motor and is connected with the control device; the lighting device is arranged on the gear guard; the gear housing houses the power conversion output mechanism.
3. The tool for removing and installing cable joints on the top of a nuclear island as set forth in claim 1, wherein said power conversion output mechanism further comprises a base, and said motor gear, said first transmission gear, said second transmission gear, said first transition gear, said second transition gear and said jaw gear are fixed to said base by a power motor output shaft, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a gear groove, respectively.
4. The tool for removing and installing cable joints on the top of a nuclear island as set forth in claim 3, wherein the power motor output shaft, the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are arranged in parallel.
5. The tool for removing and installing a cable connector at the top of a nuclear island as claimed in claim 1, further comprising a cable connector clamping opening, wherein the cable connector clamping opening is a C-shaped notch formed by a tool housing, a base and an automatic claw mechanism.
6. The tool for disassembling and assembling the cable connector at the top of a nuclear island inner pile as claimed in claim 1, wherein the power motor adopts a brushless direct current controllable motor, and the torque acting on the cable connector through the power conversion output mechanism is larger than the tightening torque required by the cable; the power operation control mechanism controls the motor to operate in a space vector PWM mode, and the cable joint is screwed up by uniformly outputting torque.
7. A method of using the tool for removing and installing a cable joint at the top of a nuclear island, based on any one of claims 1 to 6, comprising the steps of:
setting an automatic claw mechanism according to the specification and the model of the detached cable;
under the action of the control device, the power operation control mechanism is matched with the power conversion output mechanism, so that the disassembly and assembly of the cable connector are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288411.XA CN114654207B (en) | 2022-03-23 | 2022-03-23 | Nuclear island inner pile top cable joint dismounting tool and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288411.XA CN114654207B (en) | 2022-03-23 | 2022-03-23 | Nuclear island inner pile top cable joint dismounting tool and use method thereof |
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| CN114654207A CN114654207A (en) | 2022-06-24 |
| CN114654207B true CN114654207B (en) | 2023-05-30 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI418437B (en) * | 2011-02-08 | 2013-12-11 | Cal Comp Optical Electronics Suzhou Co Ltd | Attach-detach jig |
| TWM518122U (en) * | 2015-11-13 | 2016-03-01 | Shu-Zhen Zhang | Quick release air outlet pipe structure of air gun |
| CN106425426A (en) * | 2016-11-25 | 2017-02-22 | 昆山烨科自动化有限公司 | Tightening machine |
| CN108429115A (en) * | 2018-05-10 | 2018-08-21 | 广东广航科技有限公司 | A kind of round electric connector dismantling device |
| CN208939153U (en) * | 2018-10-25 | 2019-06-04 | 中天射频电缆有限公司 | A kind of rectangular hollow leakage cable connector |
| CN209358147U (en) * | 2019-01-26 | 2019-09-06 | 河北顺成线缆有限公司 | A kind of cable machinery cutter |
| CN210819387U (en) * | 2019-07-16 | 2020-06-23 | 上海贝思特电气有限公司 | Automatic device of screwing up of coupling |
| CN110977852A (en) * | 2019-11-15 | 2020-04-10 | 西安空间无线电技术研究所 | Coaxial cable assembly dismounting electric torque wrench |
| CN111673666A (en) * | 2020-06-28 | 2020-09-18 | 北京空间技术研制试验中心 | Aviation connector assembly and disassembly tools |
| CN112720324A (en) * | 2020-12-31 | 2021-04-30 | 江苏金陵智造研究院有限公司 | Electro-hydraulic hybrid open spanner |
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