CN107649853B - Device for automatically and integrally taking out and installing flange bolts - Google Patents
Device for automatically and integrally taking out and installing flange bolts Download PDFInfo
- Publication number
- CN107649853B CN107649853B CN201711096865.2A CN201711096865A CN107649853B CN 107649853 B CN107649853 B CN 107649853B CN 201711096865 A CN201711096865 A CN 201711096865A CN 107649853 B CN107649853 B CN 107649853B
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- Prior art keywords
- bolt
- rotating
- motor
- rotating head
- head
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Classifications
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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
-
- 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
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
-
- 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)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention relates to a device for automatically and integrally taking out and installing flange bolts, and belongs to the technical field of nuclear power equipment. The main technical scheme is as follows: the device for automatically and integrally taking out and installing the bolts comprises a supporting mechanism and an executing mechanism which are respectively connected with a control center; the supporting mechanism comprises an upper rotary support, a lower support seat and a bottom guide seat which are sequentially connected, wherein the upper part of the upper rotary support is connected with an electric cylinder enclasping device through a bolt rod, an upper rotary support disc and an upper rotary motor are fixed at the bottom of the upper rotary support, and a lower rotary support disc is fixed at the top of the lower support seat; compared with the equipment in the prior art, the invention has the greatest advantages that the equipment can be remotely operated through the screen, is far away from nuclear power radiation, plays a key role in the personal health of staff, greatly improves the working efficiency, shortens the maintenance time of the nuclear power equipment and creates more economic benefits for the nuclear power station.
Description
Technical Field
The invention relates to the technical field of nuclear power equipment, in particular to a device for automatically and integrally taking out and installing flange bolts.
Background
The nuclear power reactor CRDM equipment has certain radiation after a period of normal operation, so personnel are not suitable to be in direct contact or too close to each other in the working process in the subsequent overhaul and maintenance process. At present, the equipment adapted to the nuclear power station is manual, operators need to remotely and manually operate on a platform 6 meters away from a working place, 10 bolts are arranged on each flange plate, and only one bolt can be taken out or installed in one operation, so that time and labor are wasted.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device for automatically and integrally taking out and installing flange bolts, which can take out or install a plurality of bolts at one time, and greatly improves the safety and the working efficiency of workers during working.
The technical scheme of the invention is as follows: the device for automatically and integrally taking out and installing the flange bolts comprises a supporting mechanism and an executing mechanism which are respectively connected with a control center;
the supporting mechanism comprises an upper rotary support, a lower support seat and a bottom guide seat which are sequentially connected, wherein the upper part of the upper rotary support is connected with an electric cylinder enclasping device through a bolt rod, an upper rotary support disc and an upper rotary motor are fixed at the bottom of the upper rotary support, a lower rotary support disc is fixed at the top of the lower support seat, a bolt hole is formed in the bottom guide seat, a nut fixing clamp is arranged on the side edge of the bolt hole, and the bottom guide seat is connected with a claw pressing sleeve through a connecting rod;
the actuating mechanism comprises a lower rotating motor, a vertical guide motor screw rod combination and a rotating head motor, wherein the lower rotating motor, the vertical guide motor screw rod combination and the rotating head motor are fixed below a lower rotating support disc, the rotating head motor is connected with a rotating head transmission rod, a vertical guide support and a telescopic rotating head through a rotating head gear set, and a distance sensor and a rotating clamping column are arranged on the head of the telescopic rotating head.
Further, the number of the bolt holes is 10.
Further, 3 nut fixing clamps are arranged on the side edges of the bolt holes.
Further, the number of the electric cylinder enclasping devices is 3.
Further, the number of the connecting rods is 4.
The beneficial effects of the invention are as follows: compared with the prior art, the device has the greatest advantages that the device can be operated remotely through a screen, is far away from nuclear power radiation, plays a key role in the personal health of staff, and meanwhile, compared with the prior art that only one bolt is taken at one time, the device has the advantages that the working efficiency is greatly improved, the maintenance time of the nuclear power equipment is shortened, and more economic benefits are created for the nuclear power station.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a schematic view of the structure of the claw pressing sleeve;
fig. 6 is a schematic structural view of the nut fixing clip.
Wherein: 1. an electric cylinder enclasping device, 2, an upper rotating support, 3, an upper rotating support disc, 4, an upper rotating motor, 5, a lower rotating support disc, 6, a lower support seat, 7, a lower rotating motor, 8, a vertical guiding motor lead screw combination, 9, a rotating head motor, 10, a rotating head gear set, 11, a rotating head transmission rod, 12, a vertical guide support, 13, a telescopic rotating head, 14, a bottom guide seat, 15, a claw pressing sleeve, 16, a nut fixing clamp, 17, a bolt hole, 18, a connecting rod, 19 and a rotating clamping column.
Detailed Description
The invention is further described below with reference to fig. 1-6:
the device for automatically and integrally taking out and installing the flange bolts comprises a supporting mechanism and an executing mechanism which are respectively connected with a control center; the supporting mechanism comprises an upper rotary support 2, a lower support seat 6 and a bottom guide seat 14 which are sequentially connected, wherein the upper part of the upper rotary support 2 is connected with an electric cylinder holding device 1 through a bolt rod, an upper rotary support disc 3 and an upper rotary motor 4 are fixed at the bottom of the upper rotary support 2, a lower rotary support disc 5 is fixed at the top of the lower support seat 6, a bolt hole 17 is formed in the bottom guide seat 14, a nut fixing clamp 16 is arranged on the side edge of the bolt hole 17, and the bottom guide seat 14 is connected with a claw pressing sleeve 15 through a connecting rod 18; the actuating mechanism comprises a lower rotating motor 7, a vertical guide motor screw rod combination 8 and a rotating head motor 9 which are fixed below a lower rotating support disc 5, wherein the rotating head motor 9 is connected with a rotating head transmission rod 11, a vertical guide support 12 and a telescopic rotating head 13 through a rotating head gear set 10, and a distance sensor and a rotating clamping column 19 are arranged at the head of the telescopic rotating head 13. The number of the bolt holes 17 is 10. The side of the bolt hole 17 is provided with 3 nut fixing clamps 16. The electric cylinder enclasping device 1 is provided with 3 electric cylinders. The number of the connecting rods 18 is 4.
The parts of the invention are connected by bolts, the top holding electric cylinder is connected with the upper rotating support by bolts, and the rotating and lowering functions are driven by a servo motor. When in use, the specific operation steps of the invention are as follows:
(1) The automatic bolt taking and installing device is lifted by a crane and vertically lowered along the CRDM pipe, because the head of the telescopic rotating head 13 is provided with a distance sensor, the lowering to a proper height is stopped by the distance detected by the distance sensor, and the electric cylinder enclasping device 1 is started, and the whole device is stable and still at the height.
(2) The upper rotating motor 4 is started, the whole equipment can rotate around the CRDM pipe under the action of the upper rotating support 2 and the upper rotating support disc 3, and the upper rotating motor 4 is stopped after the upper rotating motor is positioned by the bolts and the bottom guide seat 14 through the distance sensing probe.
(3) At this point the bottom guide 14 has been aligned with the bolts and the crane is continued to be started to lower the apparatus until the bottom guide 14 is fully landed on the flange.
(4) The lower rotary motor 7 is started, the telescopic rotary head 13 can rotate around the RCDM pipe under the action of the lower supporting seat 6 and the lower rotary supporting disc 5, and the lower rotary motor 7 is stopped after the telescopic rotary head 13 is aligned with the bolt through the distance sensing probe.
(5) The vertical guide motor screw rod combination 8 is started, so that the telescopic rotating head 13 moves downwards until contacting with the top of the bolt, and even if the rotating head fails to be completely meshed with the top of the bolt due to the telescopic structure of the rotating head, the rotating head can be automatically meshed after starting to rotate, so that the bolt is driven to be screwed in or screwed out.
(6) In the process of screwing out the bolts, the bolts are rotated and lifted up, the telescopic rotating heads 13 are retracted upwards, and the heights are always lifted up synchronously with the bolts until the bolts are completely unscrewed.
(7) The vertical guiding motor screw assembly 8 is started, the telescopic rotating head 13 moves upwards until the telescopic rotating head is completely separated from the top of the bolt, the lower rotating motor 7 is started again, and the steps 5 and 6 are repeated after the next bolt is aligned until the bolts are completely screwed out.
(8) After the bolts are all screwed out, the crane is started, the whole equipment is lifted upwards, the claw pressing sleeve 15 can move downwards under the action of the spring (sleeved on the connecting rod 18) until the claw pressing sleeve is separated from the range of the nut fixing clamp 16, the nut fixing clamp 16 is stuck with the lower edge of the nut after losing the pressing and ejecting of the claw pressing sleeve 15, the bolts and the nuts are clamped together, and the equipment is lifted together until the claw pressing sleeve is lifted out of the flange completely.
(9) And supporting the end of the whole bolt taking-out process, and manually taking out the bolt after the equipment is lifted out of the working range.
The above steps describe in detail the process of removing the bolts using the present apparatus, and the process of installing the bolts is similar to the removal process.
Claims (5)
1. The device for automatically and integrally taking out and installing the flange bolts is characterized by comprising a supporting mechanism and an executing mechanism which are respectively connected with a control center;
the supporting mechanism comprises an upper rotary support (2), a lower support seat (6) and a bottom guide seat (14) which are sequentially connected, wherein the upper part of the upper rotary support (2) is connected with an electric cylinder enclasping device (1) through a bolt rod, an upper rotary support disc (3) and an upper rotary motor (4) are fixed at the bottom of the upper rotary support (2), a lower rotary support disc (5) is fixed at the top of the lower support seat (6), a bolt hole (17) is formed in the bottom guide seat (14), a nut fixing clamp (16) is arranged on the side edge of the bolt hole (17), and the bottom guide seat (14) is connected with a claw pressing sleeve (15) through a connecting rod (18);
the actuating mechanism comprises a lower rotating motor (7), a vertical guide motor screw rod combination (8) and a rotating head motor (9), wherein the lower rotating motor (7), the vertical guide motor screw rod combination (8) and the rotating head motor (9) are fixed below a lower rotating support disc (5), the rotating head motor (9) is connected with a rotating head transmission rod (11), a vertical guide support (12) and a telescopic rotating head (13) through a rotating head gear set (10), and a distance sensor and a rotating clamping column (19) are arranged at the head of the telescopic rotating head (13);
when in use, the specific operation steps are as follows:
step one: lifting the automatic bolt taking and installing equipment by a crane and vertically descending along the CRDM pipe, wherein the head of the telescopic rotating head (13) is provided with a distance sensor, the distance detected by the distance sensor is used for descending to a proper height to stop, and the electric cylinder enclasping device (1) is started, so that the whole equipment is stable and still at the height;
step two: starting an upper rotating motor (4), under the action of an upper rotating support (2) and an upper rotating support disc (3), the whole equipment can rotate around a CRDM pipe, and stopping the upper rotating motor (4) after the upper rotating motor is determined by a distance sensing probe through a bolt and a bottom guide seat (14);
step three: at this time, the bottom guide seat (14) is aligned with the bolt, and the crane is started continuously to lower the equipment until the bottom guide seat (14) is completely dropped on the flange;
step four: starting a lower rotating motor (7), rotating the telescopic rotating head (13) around the RCDM pipe under the action of the lower supporting seat (6) and the lower rotating supporting disc (5), and stopping the lower rotating motor (7) after the telescopic rotating head (13) is aligned with the bolt through the distance sensing probe;
step five: the vertical guide motor screw rod combination (8) is started, so that the telescopic rotating head (13) moves downwards until contacting with the top of the bolt, and even if the rotating head fails to be completely meshed with the top of the bolt due to the telescopic structure of the rotating head, the rotating head can be automatically meshed after starting to rotate, so that the bolt is driven to be screwed in or screwed out;
step six: in the process of screwing out the bolt, the bolt rotates and lifts up, the telescopic rotating head (13) retracts upwards, and the height is always lifted up synchronously with the bolt until the bolt is completely screwed out;
step seven: starting a screw rod combination (8) of a vertical guide motor, enabling a telescopic rotating head (13) to move upwards until the telescopic rotating head is completely separated from the top of a bolt, starting a lower rotating motor (7) again, and repeating the fifth and sixth steps after aligning the next bolt until all the bolts are screwed out;
step eight: when the bolts are completely unscrewed, starting the crane, lifting the whole equipment upwards, and under the action of a spring sleeved on the connecting rod (18), downwards moving the claw pressing sleeve (15) until the claw pressing sleeve is separated from the range of the nut fixing clamp (16), wherein the nut fixing clamp (16) is attached to the lower edge of the nut after being out of compression and ejection of the claw pressing sleeve (15), so that the bolts and the nut are clamped together, and lifting together with the equipment until the claw pressing sleeve is completely lifted out of the flange;
step nine: and supporting the end of the whole bolt taking-out process, and manually taking out the bolt after the equipment is lifted out of the working range.
2. A device for automatic integral removal and installation of flange bolts according to claim 1, characterized in that said number of bolt holes (17) is 10.
3. A device for automatic integral removal and installation of flange bolts according to claim 1, characterized in that said bolt holes (17) are provided laterally with 3 nut fixing clips (16).
4. A device for automatic integral removal and installation of flange bolts according to claim 1, characterized in that said electric cylinder holding means (1) are provided in 3.
5. A device for automatic integral removal and installation of flange bolts according to claim 1, characterized in that said number of tie rods (18) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096865.2A CN107649853B (en) | 2017-11-09 | 2017-11-09 | Device for automatically and integrally taking out and installing flange bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096865.2A CN107649853B (en) | 2017-11-09 | 2017-11-09 | Device for automatically and integrally taking out and installing flange bolts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107649853A CN107649853A (en) | 2018-02-02 |
| CN107649853B true CN107649853B (en) | 2023-09-05 |
Family
ID=61121230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096865.2A Active CN107649853B (en) | 2017-11-09 | 2017-11-09 | Device for automatically and integrally taking out and installing flange bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107649853B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132533B (en) * | 2018-09-11 | 2024-05-24 | 苏州富强科技有限公司 | Screw clamping mechanism and screw conveying device |
| CN110834193B (en) * | 2019-11-21 | 2021-03-05 | 黑龙江省八达建筑安装工程有限公司 | Building steel beam flange connecting structure and mounting device and mounting method thereof |
| CN110820953B (en) * | 2019-11-21 | 2021-04-30 | 上海尧哲工程技术有限公司 | Flange connecting structure of building steel structure and mounting device and mounting method thereof |
| CN114888555B (en) * | 2022-04-29 | 2023-04-11 | 中广核研究院有限公司 | Fastener replacement and repair device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3331527A1 (en) * | 1983-08-06 | 1985-02-14 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Storage stand for a stud tensioner |
| FR2679694A1 (en) * | 1991-07-25 | 1993-01-29 | Framatome Sa | Tightening and untightening machine for bolts for fastening a cover onto an enclosure, in particular a primary pump of a nuclear power station |
| KR200392961Y1 (en) * | 2005-05-20 | 2005-08-17 | 대우조선해양 주식회사 | Pin jig for bolting work of flange |
| US8925424B1 (en) * | 2010-05-19 | 2015-01-06 | James L. Jacobs | Interlink torque backup system with easy release |
| CN207431667U (en) * | 2017-11-09 | 2018-06-01 | 大连泰凯工业有限公司 | For the automatic whole device taken out with mounting flange bolt |
-
2017
- 2017-11-09 CN CN201711096865.2A patent/CN107649853B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3331527A1 (en) * | 1983-08-06 | 1985-02-14 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Storage stand for a stud tensioner |
| FR2679694A1 (en) * | 1991-07-25 | 1993-01-29 | Framatome Sa | Tightening and untightening machine for bolts for fastening a cover onto an enclosure, in particular a primary pump of a nuclear power station |
| KR200392961Y1 (en) * | 2005-05-20 | 2005-08-17 | 대우조선해양 주식회사 | Pin jig for bolting work of flange |
| US8925424B1 (en) * | 2010-05-19 | 2015-01-06 | James L. Jacobs | Interlink torque backup system with easy release |
| CN207431667U (en) * | 2017-11-09 | 2018-06-01 | 大连泰凯工业有限公司 | For the automatic whole device taken out with mounting flange bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107649853A (en) | 2018-02-02 |
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