CN204912948U - A there is not cold cutting device for nuclear power station pressure vessel kills bolt - Google Patents
A there is not cold cutting device for nuclear power station pressure vessel kills bolt Download PDFInfo
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- CN204912948U CN204912948U CN201520687114.8U CN201520687114U CN204912948U CN 204912948 U CN204912948 U CN 204912948U CN 201520687114 U CN201520687114 U CN 201520687114U CN 204912948 U CN204912948 U CN 204912948U
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- bolt
- kill
- cutter sweep
- rotation driving
- driving unit
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Abstract
The utility model relates to a there is not cold cutting device for nuclear power station pressure vessel kills bolt, include: fixing device for install on pressure vessel's the flange, the walking track is installed on fixing device, rotate drive arrangement, but round trip movement ground is installed on the track of walking, travel driving unit installs on the walking track to drive arrangement is connected with the rotation, rotates drive arrangement along walking track round trip movement in order to drive, controlling means is respectively with rotation drive arrangement, walking drive arrangement electric connection to the output shaft that drive arrangement was rotated in drive travel driving unit round trip movement of control travel driving unit and control rotates, cutter head assembly is with the output shaft who rotates drive arrangement to treat cutting bolt cutting. On cutting device installed the flange, occupation space was little, and the bolt that will kill on the flange cuts away, furthest's protection former screw, the personnel of requirements of the processing are few, have reduced the radiation, convenient operation is efficient, the cost is reduced.
Description
Technical field
The utility model relates to technical field of nuclear power, more particularly, relate to a kind of for nuclear plant pressure vessels kill bolt without cold cutter sweep.
Background technology
In correlation technique, due to nuclear plant pressure vessels equipment operate in high temperature, high irradiation, high load capacity operating mode be continuously long-running, and the increase of Years Of Service, the accumulation defect level of equipment is also in continuous increase, in major overhaul year by year, the screw of pressure container flange is also increasing with the number of times that engages of bolt, and on flange, the damage probability of screw thread raises greatly, and common major defect has bolt to kill in screw.
Because field apparatus diameter is comparatively large, environmental radiation dose is high, the restriction of the specific condition such as the working time requires short, place narrow space, crew numbers requires less, quality requirement after maintenance is high, conventional stud kills treating method can not meet nuclear power station job requirement.Conventional stud is killed treating method and is got fracture of wire and be just applicable to minor diameter bolt, and adopts chemical mode to get bolt to damage screw screw thread.
Utility model content
The technical problems to be solved in the utility model is, provide a kind of for nuclear plant pressure vessels kill bolt without cold cutter sweep.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of for nuclear plant pressure vessels kill bolt without cold cutter sweep, described pressure vessel comprises flange, bolt to be cut is screwed onto on described flange, describedly comprises without cold cutter sweep:
Fixture, for being installed to the flange of pressure vessel;
Walking track, is arranged in described fixture;
Device of rotation driving, can be arranged on described walking track with moving around;
Travel driving unit, is arranged on described walking track, and is connected with described device of rotation driving, moves around along the guide direction of described walking track to drive described device of rotation driving;
Control device, is electrically connected with described device of rotation driving, travel driving unit respectively, drives described travel driving unit to move around to control described travel driving unit and controls the output shaft rotation of described device of rotation driving;
Cutter head assembly, is connected with the output shaft of described device of rotation driving, to cut described bolt to be cut.
Preferably, described fixture comprises installing plate, and described installing plate is provided with screwed hole, to be connected with the screwed hole on described flange.
Preferably, the two ends of described walking track are provided with and carry out spacing blocking part to described device of rotation driving moving section.
Preferably, described device of rotation driving comprises the bracing frame be slidably matched with described walking track and the rotation servomotor be arranged on support frame as described above, and described rotation servomotor and described control device are electrically connected.
Preferably, described travel driving unit comprises the walking servomotor coordinated with described walking track, described control device and described walking servomotor are electrically connected, to control described walking servomotor along described walking rail moving, described walking servomotor is connected with support frame as described above, with when described walking servomotor moves, described device of rotation driving is driven to move.
Preferably, described cutter head assembly comprises mounting disc and is arranged on some cutters of described mounting disc border.
Preferably, the described chip removal system entering recovery without the cold cutter sweep waste material also comprised for producing cutting.
Preferably, described chip removal system comprises and is set to the receiving box on described bolt to be cut and the vacuum absorption device with described receiving box inner space for overlapping.
Preferably, described control device is connected by data wire with between described device of rotation driving, travel driving unit and chip removal system.
Preferably, described control device comprise the moving direction for controlling described travel driving unit direction controlling key, for control the startup of described device of rotation driving cutting key, for control described chip removal system start chip removal key.
Implement of the present utility model for nuclear plant pressure vessels kill bolt without cold cutter sweep; there is following beneficial effect: cutter sweep of the present utility model is installed on flange; the space taken is little; cut away by the bolt extension of killing on flange under the control of personnel, protect former screw to greatest extent, the personnel that process needs are few; decrease the radiation of personnel; automatic processing, easy to operate efficiency is high, reduces cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the using state scheme of installation without cold cutter sweep of killing bolt for nuclear plant pressure vessels in the utility model embodiment.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As shown in Figure 1, with flange 1 on the pressure vessel of nuclear power station, bolt 2 to be cut is screwed onto on flange 1, and kills in screw, needs cutter sweep to be cut off.
In the utility model preferred embodiment for nuclear plant pressure vessels kill bolt without cold cutter sweep comprise fixture 3, walking track 4, device of rotation driving 5, travel driving unit 6, control device (not shown) and cutter head assembly 7.
Fixture 3 for being installed to the flange 1 of pressure vessel, and pressure vessel fixing after cutter head assembly 7 can be cut bolt 2 to be cut.Further, fixture 3 comprises installing plate 31, and installing plate 31 is provided with screwed hole, to be connected with the screwed hole on flange 1.Screwed hole on installing plate 31 according to screwed hole Position Design original on flange 1, can facilitate the location of cutter head assembly 7.In other embodiments, fixture 3 also can be structure as a whole with walking track 4.
Walking track 4 is arranged in fixture 3, for the direction of motion of device of rotation driving 5, travel driving unit 6 and cutter head assembly 7 leads.Be provided with at the two ends of walking track 4 and spacing blocking part 41 is carried out to device of rotation driving 5 moving section.
Device of rotation driving 5 can be arranged on walking track 4 with moving around, and travel driving unit 6 is also arranged on walking track 4, and is connected with device of rotation driving 5, and travel driving unit 6 drives device of rotation driving 5 to move around along the guide direction of walking track 4.
Control device is electrically connected with device of rotation driving 5, travel driving unit 6 respectively, drives travel driving unit 6 to move around to control travel driving unit 6 and controls the output shaft rotation of device of rotation driving 5.
Further, device of rotation driving 5 comprises the bracing frame 51 be slidably matched with walking track 4 and the rotation servomotor 52 be arranged on bracing frame 51, and control device is electrically connected with rotation servomotor 52.
Travel driving unit 6 comprises the walking servomotor 61 coordinated with walking track 4, control device is electrically connected with walking servomotor 61, move along walking track 4 to control walking servomotor 61, walking servomotor 61 is connected with bracing frame 51, with when servomotor 61 of walking moves, device of rotation driving 5 is driven to move.
Cutter head assembly 7 is connected with the output shaft of device of rotation driving 5, to cut bolt 2 to be cut.Preferably, cutter head assembly 7 comprises mounting disc 71 and is arranged on some cutters 72 of mounting disc 71 border, after cutter 72 has damage, can directly be changed by cutter 72.In other embodiments, the disk cutter that cutter head assembly 7 also can be as a whole.
Preferably, in order to reclaim the waste material after cutting, not to environment, enter the chip removal system 8 of recovery without the cold cutter sweep waste material also comprised for producing cutting.
Further, chip removal system 8 comprises and is set to the receiving box 81 on bolt 2 to be cut and the vacuum absorption device 82 with receiving box 81 inner space for overlapping.After waste material after dicing falls into receiving box 81, the waste material in receiving box 81 can siphon away by vacuum absorption device 82, can avoid sweeping.In other embodiments, vacuum absorption device 82 also can be high pressure blow-gas device, is blown to by waste material in the accommodating container that is communicated with receiving box 81.
In order to realize Long-distance Control, control device is connected by data wire with between device of rotation driving 5, travel driving unit 6 and chip removal system 8, allows staff away from radiation areas.In other embodiments, if during close together, also by controlled in wireless.
Control device is generally control panel, comprise the direction controlling key of the moving direction for controlling travel driving unit 6, for control the startup of device of rotation driving 5 cutting key, for control chip removal system 8 start chip removal key.
When cutting bolt 2 to be cut, first fixture 3 is connected with flange 1, and makes cutter head assembly 7 corresponding with the position of bolt 2 to be cut.Click cutting key and start rotation servomotor 52, drive cutter head assembly 7 to rotate.Click direction controlling key again, allow travel driving unit 6 drive device of rotation driving 5 and cutter head assembly 7 to move near bolt 2 to be cut, allow cutter head assembly 7 implement cutting to bolt 2 to be cut.In cutting process, click chip removal key, start vacuum absorption device 82 and waste material is cleared up.
After completing cutting, then by device of rotation driving 5, travel driving unit 6 and cutter head assembly 7 return, namely complete cutting.
Understandably, above-mentioned each technical characteristic can be combined use and unrestricted.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. for nuclear plant pressure vessels kill bolt without a cold cutter sweep, described pressure vessel comprises flange (1), and bolt to be cut (2) is screwed onto on described flange (1), it is characterized in that, describedly comprises without cold cutter sweep:
Fixture (3), for being installed to the flange (1) of pressure vessel;
Walking track (4), is arranged in described fixture (3);
Device of rotation driving (5), can be arranged on described walking track (4) with moving around;
Travel driving unit (6), is arranged on described walking track (4), and is connected with described device of rotation driving (5), moves around along the guide direction of described walking track (4) to drive described device of rotation driving (5);
Control device, be electrically connected with described device of rotation driving (5), travel driving unit (6) respectively, drive described travel driving unit (6) move around and control the output shaft rotation of described device of rotation driving (5) to control described travel driving unit (6); And
Cutter head assembly (7), is connected with the output shaft of described device of rotation driving (5), to cut described bolt to be cut (2).
2. according to claim 1 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described fixture (3) comprises installing plate (31), and described installing plate (31) is provided with screwed hole, to be connected with the screwed hole on described flange (1).
3. according to claim 1 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, the two ends of described walking track (4) are provided with carries out spacing blocking part (41) to described device of rotation driving (5) moving section.
4. according to claim 1 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described device of rotation driving (5) comprises the bracing frame (51) be slidably matched with described walking track (4) and the rotation servomotor (52) be arranged on support frame as described above (51), and described rotation servomotor (52) and described control device are electrically connected.
5. according to claim 4 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described travel driving unit (6) comprises the walking servomotor (61) coordinated with described walking track (4), described control device and described walking servomotor (61) are electrically connected, mobile along described walking track (4) to control described walking servomotor (61), described walking servomotor (61) is connected with support frame as described above (51), with when described walking servomotor (61) is mobile, drive described device of rotation driving (5) mobile.
6. according to claim 1 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described cutter head assembly (7) comprises mounting disc (71) and is arranged on some cutters (72) of described mounting disc (71) border.
7. according to any one of claim 1 to 6 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described without cold cutter sweep also comprise for cutting produce waste material enter reclaim chip removal system (8).
8. according to claim 7 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described chip removal system (8) comprises for overlapping the receiving box (81) that is set on described bolt to be cut (2) and the vacuum absorption device (82) with described receiving box (81) inner space.
9. according to claim 7 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described control device is connected by data wire with between described device of rotation driving (5), travel driving unit (6) and chip removal system (8).
10. according to claim 9 for nuclear plant pressure vessels kill bolt without cold cutter sweep, it is characterized in that, described control device comprise the moving direction for controlling described travel driving unit (6) direction controlling key, for control the startup of described device of rotation driving (5) cutting key, for controlling the chip removal key that described chip removal system (8) starts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687114.8U CN204912948U (en) | 2015-09-07 | 2015-09-07 | A there is not cold cutting device for nuclear power station pressure vessel kills bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687114.8U CN204912948U (en) | 2015-09-07 | 2015-09-07 | A there is not cold cutting device for nuclear power station pressure vessel kills bolt |
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| Publication Number | Publication Date |
|---|---|
| CN204912948U true CN204912948U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520687114.8U Active CN204912948U (en) | 2015-09-07 | 2015-09-07 | A there is not cold cutting device for nuclear power station pressure vessel kills bolt |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817681A (en) * | 2016-05-13 | 2016-08-03 | 中广核研究院有限公司 | Cutting device for bolts locked in large containers and devices of nuclear power plant |
| CN105817942A (en) * | 2016-05-13 | 2016-08-03 | 中广核研究院有限公司 | Bolt dumping protection device for pressure vessel of nuclear power plant |
| CN111843417A (en) * | 2020-07-24 | 2020-10-30 | 中国核动力研究设计院 | Remote dismantling process for indoor equipment with strong heat release |
-
2015
- 2015-09-07 CN CN201520687114.8U patent/CN204912948U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817681A (en) * | 2016-05-13 | 2016-08-03 | 中广核研究院有限公司 | Cutting device for bolts locked in large containers and devices of nuclear power plant |
| CN105817942A (en) * | 2016-05-13 | 2016-08-03 | 中广核研究院有限公司 | Bolt dumping protection device for pressure vessel of nuclear power plant |
| CN111843417A (en) * | 2020-07-24 | 2020-10-30 | 中国核动力研究设计院 | Remote dismantling process for indoor equipment with strong heat release |
| CN111843417B (en) * | 2020-07-24 | 2021-08-03 | 中国核动力研究设计院 | Remote dismantling process for indoor equipment with strong heat release |
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