CN113751958A - Three-foot leveling device for evaporator maintenance and working method - Google Patents
Three-foot leveling device for evaporator maintenance and working method Download PDFInfo
- Publication number
- CN113751958A CN113751958A CN202111140355.7A CN202111140355A CN113751958A CN 113751958 A CN113751958 A CN 113751958A CN 202111140355 A CN202111140355 A CN 202111140355A CN 113751958 A CN113751958 A CN 113751958A
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- lifting
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- 238000012423 maintenance Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
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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
- B23P6/00—Restoring or reconditioning objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a three-foot leveling device for evaporator maintenance and a working method. The lifting mechanisms are divided into three groups and are uniformly distributed on the periphery of the bearing frame; the three-foot type platform is respectively connected with the three groups of lifting mechanisms through three groups of connecting components, and the lifting mechanisms drive the three-foot type platform to lift; the rotary rocker arm is fixed on the three-legged platform through a connecting flange and can rotate under the driving of a rotary motor and a speed reducer.
Description
Technical Field
The invention belongs to the technical field of maintenance of nuclear power station evaporators, and particularly relates to a three-foot leveling device and a working method of remote automatic maintenance equipment for a nuclear power station evaporator.
Background
During the shutdown overhaul of the nuclear power station, the evaporator needs to be overhauled, in order to prevent radioactive gas or liquid from causing unnecessary damage to overhaul personnel, improve the repair quality and shorten the repair time, remote automatic operation equipment is needed, and in the working process of the equipment, the maintenance equipment needs to be ensured to be parallel to a plane to be maintained, so that a special leveling device is needed for adjustment.
Disclosure of Invention
The invention aims to provide a three-foot leveling device for evaporator maintenance and a working method thereof, which are used for solving the leveling problem of remote automatic operation equipment for evaporator maintenance of a nuclear power station.
In order to achieve the purpose, the invention adopts the following technical scheme:
a three-foot leveling device for evaporator maintenance comprises a bearing frame 1, a lifting mechanism 2, a three-foot platform 3, a connecting assembly 4, a rotary rocker arm 5, a connecting flange 6, a rotary motor and a speed reducer 7;
the bearing frame 1 is used for bearing the whole three-foot leveling device and is fixed on the inner wall of the evaporator through an inner supporting mechanism during working;
the lifting mechanisms 2 are divided into three groups, the three groups are uniformly distributed on the periphery of the bearing frame 1, each group of lifting mechanisms can be independently controlled and adjusted and comprises a lifting motor 9, a lifting slider 10 and a connector 11, the lifting slider 10 is movably arranged on a screw nut mechanism, the screw nut mechanism is connected with the lifting motor 9 through a synchronous belt, and the lifting motor 9 drives the lifting slider 10 to realize lifting motion through the synchronous belt and the screw nut mechanism;
the three connecting assemblies 4 are uniformly distributed on the three-legged platform 3 and are used for connecting the lifting mechanism 2 with the three-legged platform 3;
the three-foot platform 3 is arranged above the bearing frame 1, the center position above the bearing frame 1 is connected with the rotary rocker arm 5 through the connecting flange 6, the center position below the three-foot platform 3 is provided with the rotary motor and the speed reducer 7 which are connected with the rotary rocker arm 5, the rotary rocker arm 5 is driven to rotate through the rotary motor and the speed reducer 7, and then the maintenance device arranged on the rotary rocker arm 5 is driven to rotate.
Preferably, to ensure the precision of the adjustment, the lifting motor 9 is provided with an encoder 8 for monitoring the number of rotation turns of the lifting motor 9.
Preferably, the three connecting assemblies 4 are uniformly distributed on the three-legged platform 3 through screw connection and are respectively connected with the connectors 11 arranged on the three groups of lifting mechanisms 2, so that the lifting mechanisms 2 and the three-legged platform 3 are connected through the connecting assemblies 4.
According to the working method of the three-foot leveling device for evaporator maintenance, the three-foot leveling device is used for adjusting the plane angle of the maintenance device, and the maintenance device is ensured to be parallel to a plane to be maintained; when in work, the bearing frame 1 is fixed on the inner wall of the evaporator through the inner supporting mechanism; the lifting motor 9 drives the lifting slide block 10 to realize lifting motion through a synchronous belt and a lead screw nut mechanism so as to adjust the height of the bearing frame 1 until the whole maintenance device is parallel to a plane to be maintained; the rotating motor and the speed reducer 7 are used for driving the rotating rocker arm 5 to rotate, and then the maintenance device installed on the rotating rocker arm 5 is driven to rotate, so that the multi-position maintenance of the evaporator is realized.
Compared with the prior art, the invention has the following advantages:
1. the inner supporting mechanism is used for fixing the bearing frame on the inner wall of the evaporator, the locking reliability of the mechanism is high, the self-adaptability of evaporators with different inner wall sizes is realized by adjusting the inner supporting angle, and the accessibility and flexibility of the position of equipment are high;
2. the lifting of the three-foot leveling device is adjusted through the screw rod nut mechanism, the positioning precision of the mechanism is high, and the motor can conveniently achieve the leveling precision by selecting a servo motor;
drawings
Fig. 1 is an assembly view of a tripod leveling device for evaporator maintenance of the present invention.
Fig. 2 is a three-foot platform structure diagram of the three-foot leveling device for evaporator maintenance of the invention.
Fig. 3 is a structural view of a lifting mechanism of a three-foot leveling device for evaporator maintenance of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the three-foot leveling device for evaporator maintenance of the present invention comprises a carrier 1, a lifting mechanism 2, a three-foot platform 3, a connecting assembly 4, a rotary rocker arm 5, a connecting flange 6, and a rotary motor and reducer 7.
The bearing frame 1 is used for bearing the whole three-foot leveling device and installing other parts, and can be fixed on the inner wall of the evaporator through the inner supporting mechanism during working.
As shown in fig. 3, the lifting mechanisms 2 have three groups, which are uniformly distributed around the bearing frame 1, each group of lifting mechanisms can be independently controlled and adjusted, and comprises a lifting motor 9, a lifting slider 10 and a connecting head 11, the lifting slider 10 is movably arranged on a screw nut mechanism, the screw nut mechanism is connected with the lifting motor 9 through a synchronous belt, and the connecting head 11 is arranged at the top of the screw nut mechanism. In order to ensure the adjustment precision, an encoder 8 is arranged on the lifting motor 9 to monitor the number of rotating turns of the lifting motor 9, and the lifting motor 9 drives the lifting slide block 10 to realize lifting motion through a synchronous belt and a screw nut mechanism.
As shown in fig. 2 and 3, the three connecting assemblies 4 are uniformly distributed on the three-legged platform 3 through screw connection, and are respectively connected with the connectors 11 on the three groups of lifting mechanisms 2, so that the lifting mechanisms 2 and the three-legged platform 3 are connected through the connecting assemblies 4.
As shown in fig. 2, the tripod type platform 3 is mounted above the carriage 1, the connecting flange 6 is mounted at the center position above the carriage 1, the connecting flange 6 is connected with the rotary rocker arm 5 through a screw, the rotary motor and the speed reducer 7 connected with the rotary rocker arm 5 are mounted at the center position below the tripod type platform 3, and the rotary rocker arm 5 is driven to rotate through the rotary motor and the speed reducer 7, so that the rotation of the maintenance device mounted on the rotary rocker arm 5 is realized, and the multi-position maintenance is performed.
The working principle of the invention is as follows:
the three-foot leveling device for evaporator maintenance is used for adjusting the plane angle of the maintenance device and ensuring that the maintenance device is parallel to a plane to be maintained. When in work, the bearing frame 1 can be fixed on the inner wall of the evaporator through an internal supporting mechanism. The lifting mechanisms 2 are three groups in total, are uniformly distributed on the periphery of the bearing frame and are used for adjusting the height of the bearing frame 1, in order to ensure the adjustment precision, an encoder 8 is installed to monitor the number of rotating turns of the lifting motor 9, the lifting motor 9 drives the lifting slide block 10 to realize lifting motion through a synchronous belt and a screw nut mechanism, and each group of lifting mechanisms can be independently controlled and adjusted until the whole maintenance device is parallel to a plane to be maintained. The rotary motor and the speed reducer 7 are used for driving the rotary rocker arm 5 to rotate, and then driving the maintenance device arranged on the rotary rocker arm 5 to rotate, so that the multi-position maintenance of the evaporator is realized.
Claims (4)
1. A three-foot leveling device for evaporator maintenance is characterized by comprising a bearing frame (1), a lifting mechanism (2), a three-foot platform (3), a connecting assembly (4), a rotary rocker arm (5), a connecting flange (6), a rotary motor and a speed reducer (7);
the bearing frame (1) is used for bearing the whole three-foot leveling device and is fixed on the inner wall of the evaporator through an inner supporting mechanism during working;
the lifting mechanisms (2) are divided into three groups, the three groups are uniformly distributed on the periphery of the bearing frame (1), each group of lifting mechanisms can be independently controlled and adjusted and comprises a lifting motor (9), a lifting slide block (10) and a connector (11), the lifting slide block (10) is movably arranged on a screw nut mechanism, the screw nut mechanism is connected with the lifting motor (9) through a synchronous belt, and the lifting motor (9) drives the lifting slide block (10) to realize lifting motion through the synchronous belt and the screw nut mechanism;
the three connecting assemblies (4) are uniformly distributed on the three-foot platform (3) and are used for connecting the lifting mechanism (2) and the three-foot platform (3);
the three-foot platform (3) is arranged above the bearing frame (1), the center position above the bearing frame (1) is connected with the rotary rocker arm (5) through a connecting flange (6), the center position below the three-foot platform (3) is provided with a rotary motor and a speed reducer (7) which are connected with the rotary rocker arm (5), the rotary rocker arm (5) is driven to rotate through the rotary motor and the speed reducer (7), and then the maintenance device arranged on the rotary rocker arm (5) is driven to rotate.
2. The tripod leveling device for evaporator maintenance according to claim 1, wherein an encoder (8) is installed on the lifting motor (9) to monitor the number of rotations of the lifting motor (9) in order to ensure the accuracy of the adjustment.
3. The tripod leveling device for evaporator maintenance according to claim 1, wherein the connecting assemblies (4) are three, are uniformly distributed on the tripod platform (3) through screw connection, and are respectively connected with the connectors (11) arranged on the three sets of lifting mechanisms (2), so that the lifting mechanisms (2) and the tripod platform (3) are connected through the connecting assemblies (4).
4. The working method of the three-foot leveling device for evaporator maintenance of any one of claims 1 to 3, wherein the three-foot leveling device is used for adjusting the plane angle of the maintenance device, and ensures that the maintenance device is kept parallel to the plane to be maintained; when in work, the bearing frame (1) is fixed on the inner wall of the evaporator through the inner support mechanism; the lifting motor (9) drives the lifting slide block (10) to realize lifting motion through a synchronous belt and a lead screw nut mechanism so as to adjust the height of the bearing frame (1) until the whole maintenance device is parallel to a plane to be maintained; the rotating motor and the speed reducer (7) are used for driving the rotating rocker arm (5) to rotate, and then the rotating motor and the speed reducer drive the maintenance device installed on the rotating rocker arm (5) to rotate, so that the multi-position maintenance of the evaporator is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111140355.7A CN113751958A (en) | 2021-09-28 | 2021-09-28 | Three-foot leveling device for evaporator maintenance and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111140355.7A CN113751958A (en) | 2021-09-28 | 2021-09-28 | Three-foot leveling device for evaporator maintenance and working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113751958A true CN113751958A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111140355.7A Pending CN113751958A (en) | 2021-09-28 | 2021-09-28 | Three-foot leveling device for evaporator maintenance and working method |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149144A (en) * | 1998-05-14 | 2000-11-21 | Ha; Tae-Hong | Movable work bench |
| CN201249379Y (en) * | 2008-08-01 | 2009-06-03 | 陈坚 | Irregular glass edging machine |
| RU2011138806A (en) * | 2011-09-21 | 2013-03-27 | Общество с ограниченной ответственностью "Научно-производственное предприятие "Резонанс" | HORIZONTAL DEVICE FOR CAR STAFF |
| CN206089809U (en) * | 2016-10-27 | 2017-04-12 | 山东立辉重工有限公司 | Naval vessel is with portable laser cladding robot |
| CN107322419A (en) * | 2017-07-01 | 2017-11-07 | 蔡学斌 | A kind of sanding machine for processing of stone |
| KR20180111133A (en) * | 2017-03-31 | 2018-10-11 | 임영재 | Grinding device for robot |
| CN109084149A (en) * | 2018-08-13 | 2018-12-25 | 南京理工大学 | A kind of electromechanical automatic leveling rotating base |
| CN209566097U (en) * | 2019-09-11 | 2019-11-01 | 山东圣普特节能环保科技有限公司 | A kind of evaporator maintenance rack |
| CN112775873A (en) * | 2019-11-21 | 2021-05-11 | 中核检修有限公司 | Overhauling platform |
| CN113075219A (en) * | 2021-03-24 | 2021-07-06 | 上海御微半导体技术有限公司 | Leveling and focusing device |
| CN215616206U (en) * | 2021-09-28 | 2022-01-25 | 西安热工研究院有限公司 | A tripodia levelling device for evaporimeter maintenance |
-
2021
- 2021-09-28 CN CN202111140355.7A patent/CN113751958A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149144A (en) * | 1998-05-14 | 2000-11-21 | Ha; Tae-Hong | Movable work bench |
| CN201249379Y (en) * | 2008-08-01 | 2009-06-03 | 陈坚 | Irregular glass edging machine |
| RU2011138806A (en) * | 2011-09-21 | 2013-03-27 | Общество с ограниченной ответственностью "Научно-производственное предприятие "Резонанс" | HORIZONTAL DEVICE FOR CAR STAFF |
| CN206089809U (en) * | 2016-10-27 | 2017-04-12 | 山东立辉重工有限公司 | Naval vessel is with portable laser cladding robot |
| KR20180111133A (en) * | 2017-03-31 | 2018-10-11 | 임영재 | Grinding device for robot |
| CN107322419A (en) * | 2017-07-01 | 2017-11-07 | 蔡学斌 | A kind of sanding machine for processing of stone |
| CN109084149A (en) * | 2018-08-13 | 2018-12-25 | 南京理工大学 | A kind of electromechanical automatic leveling rotating base |
| CN209566097U (en) * | 2019-09-11 | 2019-11-01 | 山东圣普特节能环保科技有限公司 | A kind of evaporator maintenance rack |
| CN112775873A (en) * | 2019-11-21 | 2021-05-11 | 中核检修有限公司 | Overhauling platform |
| CN113075219A (en) * | 2021-03-24 | 2021-07-06 | 上海御微半导体技术有限公司 | Leveling and focusing device |
| CN215616206U (en) * | 2021-09-28 | 2022-01-25 | 西安热工研究院有限公司 | A tripodia levelling device for evaporimeter maintenance |
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