CN215616206U - A tripodia levelling device for evaporimeter maintenance - Google Patents
A tripodia levelling device for evaporimeter maintenance Download PDFInfo
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- CN215616206U CN215616206U CN202122357142.1U CN202122357142U CN215616206U CN 215616206 U CN215616206 U CN 215616206U CN 202122357142 U CN202122357142 U CN 202122357142U CN 215616206 U CN215616206 U CN 215616206U
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- rocker arm
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Abstract
The utility model discloses a three-foot leveling device for evaporator maintenance, which comprises a bearing frame, a lifting mechanism, a three-foot platform, a connecting assembly, a rotary rocker arm, a connecting flange, a rotary motor and a speed reducer, wherein the bearing frame is used for mounting other parts and can be fixed on the inner wall of an evaporator through an inner support mechanism during work. 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 utility model belongs to the technical field of maintenance of nuclear power station evaporators, and particularly relates to a three-foot leveling device 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 utility model aims to provide a three-foot leveling device for evaporator maintenance, which aims to solve the leveling problem of remote automatic operation equipment for evaporator maintenance of a nuclear power station.
In order to achieve the purpose, the utility model 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 utility model has the following advantages:
1. the inner supporting mechanism is used for fixing the bearing frame and 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 utility model.
Fig. 3 is a structural view of a lifting mechanism of a three-foot leveling device for evaporator maintenance of the utility model.
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 utility model 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 (3)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122357142.1U CN215616206U (en) | 2021-09-28 | 2021-09-28 | A tripodia levelling device for evaporimeter maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122357142.1U CN215616206U (en) | 2021-09-28 | 2021-09-28 | A tripodia levelling device for evaporimeter maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215616206U true CN215616206U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122357142.1U Active CN215616206U (en) | 2021-09-28 | 2021-09-28 | A tripodia levelling device for evaporimeter maintenance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751958A (en) * | 2021-09-28 | 2021-12-07 | 西安热工研究院有限公司 | Three-foot leveling device for evaporator maintenance and working method |
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2021
- 2021-09-28 CN CN202122357142.1U patent/CN215616206U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751958A (en) * | 2021-09-28 | 2021-12-07 | 西安热工研究院有限公司 | Three-foot leveling device for evaporator maintenance and working method |
| CN113751958B (en) * | 2021-09-28 | 2024-07-09 | 西安热工研究院有限公司 | Tripod leveling device for maintaining evaporator of nuclear power station and working method |
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