Rare earth electrolysis data on-line monitoring device

By designing a rare earth electrolytic data online monitoring device combining balance columns, sliding blocks, central balance adjustment components, coordinated adjustment components, monitoring modules and steering detection modules, the problems of equipment damage and monitoring performance in special environments of rare earth electrolysis are solved, and higher stability and monitoring performance are achieved.

CN222540892UActive Publication Date: 2025-02-28CHENGDU BANGRUI CHUANGDA TECH CO LTD
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Patent Information

Application Number
CN202420574210.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-02-28
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

The existing online monitoring devices for rare earth electrolysis data are susceptible to electrolytic environmental fluctuations in special environments, resulting in equipment damage and reduced monitoring performance.

Method used

A rare earth electrolytic data online monitoring device is designed, which adopts a combination of balance columns, sliding blocks, central balance adjustment components, coordination components, monitoring modules and steering detection modules. A balanced support structure is formed through the balance column, and the sliding blocks are used to drive the monitoring module to slide for online monitoring. The steering detection module is adjusted to avoid the impact of oscillation, and the center of gravity is fed back to the flickering light through the gyroscope and the center of gravity sensor to observe the center of gravity, ensuring the stability of the overall monitoring structure.

Benefits of technology

Through the design of this device, the balance and stability of online monitoring of rare earth electrolytic data is improved, equipment damage is avoided, and overall monitoring performance is improved.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of monitoring devices, in particular to a rare earth electrolysis data on-line monitoring device. The technical problem is that a rare earth electrolysis data on-line monitoring device carries out monitoring operation through a simple camera, and when rare earth electrolysis is influenced by electrolysis environment fluctuation in a special environment, equipment is damaged, and the overall monitoring performance is reduced. According to the technical scheme, the rare earth electrolysis data online monitoring device comprises a balance column, a sliding block, a center balance adjusting assembly, a matched adjusting assembly, a monitoring module and a steering detection module; the steering detection module can be used for steering adjustment to avoid vibration influence, the monitoring module is used for sampling and monitoring operation, and the monitoring module is matched with the center balance adjustment assembly to be located at the two ends of the balance column to conduct gravity center adjustment operation and is in mutual traction fit with the center balance adjustment assembly to form triangular traction connection, so that the overall balance is improved.
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Description

Technical Field

[0001] The utility model relates to the field of monitoring devices, in particular to an online monitoring device for rare earth electrolysis data. Background Art

[0002] Rare earth electrolysis is mainly divided into electrolysis to prepare rare earth alloys and electrolytic refining to purify rare earth metals. The electrolysis method can be used to prepare alloys of rare earths and aluminum, magnesium and even transition metals. The electrolytic preparation process of metal praseodymium and neodymium, metal lanthanum and metal lanthanum cerium generally adopts molten salt electrolysis. In the electrolysis process, rare earth oxides are needed as raw materials, and the alternating current is converted into direct current for electrolysis through a frequency converter. A specific temperature is required for the electrolysis operation. The existing online monitoring device for rare earth electrolysis data uses a simple camera for monitoring during the monitoring process. When the rare earth electrolysis is affected by the fluctuation of the electrolysis environment under the special environment, it will cause equipment damage and the overall monitoring performance will be reduced. Therefore, we propose an online monitoring device for rare earth electrolysis data to solve the above problems. Utility Model Content

[0003] In order to overcome the problem that the online monitoring device for rare earth electrolysis data uses a simple camera for monitoring operations, when the rare earth electrolysis environment is affected by electrolysis environment fluctuations in the special environment, it will cause equipment damage and the overall monitoring performance will be reduced.

[0004] The technical solution of the utility model is: an online monitoring device for rare earth electrolysis data, comprising a balance column, a sliding block, a central balance adjustment component, a matching adjustment component, a monitoring module and a steering detection module; a sliding block is provided on the balance column, which can drive the central balance adjustment component and the monitoring module to slide to a suitable position for online monitoring operation, and steering detection modules are provided below both ends of the balance column, which can be steered to avoid the influence of vibration, and a monitoring module for sampling and monitoring operations is fixedly provided at the lower end of the sliding block, and a central balance adjustment component for maintaining balance adjustment operation is provided on the top of the sliding block, and matching adjustment components for adjusting the center of gravity of the matching central balance adjustment component are provided at both ends of the balance column.

[0005] Preferably, a sliding block is used to drive the central balance adjustment component and the monitoring module to slide to a suitable position along the balance column for online monitoring operations. The steering detection module can be used for steering adjustment to avoid the influence of vibration. The monitoring module is used for sampling and monitoring operations. It cooperates with the central balance adjustment component at both ends of the balance column to adjust the center of gravity. It cooperates with the central balance adjustment component to form a triangular traction connection to improve its overall balance. When adjusting, the driving motor drives the first shaft to drive the wire rope for steering adjustment, and the adjusting bolt drives the second shaft to drive the wire rope for steering adjustment and positioning. The gyroscope and the center of gravity sensor are fed back to the flashing light to observe the center of gravity situation, thereby ensuring the stability of the overall monitoring structure and increasing the overall monitoring performance.

[0006] Preferably, both ends of the balance column are provided with connecting sleeves, a gyroscope and a center of gravity sensor are provided inside the connecting sleeves, a flashing light is provided at the outer end of the gyroscope, and the gyroscope and the center of gravity sensor are fed back to the flashing light to observe the center of gravity situation, thereby ensuring the stability of the overall monitoring structure and increasing the overall monitoring performance.

[0007] Preferably, a driving module is provided at the outer end of the sliding block, a positioning bolt is provided on a side of the sliding block away from the driving module, a positioner is provided at the center of the positioning bolt, and the positioning bolt is driven by the positioner to position the sliding block.

[0008] Preferably, the central balance adjustment component includes a central column, a visual monitor, a positioning plate, a first positioning sleeve, a second positioning sleeve, a driving motor, a first rotating shaft and a steel wire rope. A positioning plate is provided on the top of the central column, a visual monitor is provided on the top of the positioning plate, a wireless signal transmitter is provided inside the visual monitor, a first positioning sleeve and a second positioning sleeve are provided on both sides of the positioning plate, a first rotating shaft is provided in the center of the first positioning sleeve and the second positioning sleeve, a steel wire rope is provided around the first rotating shaft, the driving motor drives the first rotating shaft to drive the steel wire rope to adjust the steering direction, and the overall status is monitored by the visual monitor and fed back to the background by the wireless signal transmitter.

[0009] Preferably, the adjusting assembly includes a fixed sleeve, a second rotating shaft and an adjusting bolt. A second rotating shaft is provided at the center of the fixed sleeve. The adjusting bolt drives the second rotating shaft to drive the wire rope to adjust the steering direction. The adjusting bolt drives the second rotating shaft to drive the wire rope to adjust the steering direction, thereby increasing stability.

[0010] Preferably, the monitoring module includes a penetration column, a temperature sensor, a first rotating rod, a tightening bolt, a guide column, a monitoring column, a second rotating rod, a first driver, a first angle disk, a second angle disk, a second driver, a third rotating rod, a sampling can and a ferrule. The lower end of the penetration column is provided with a temperature sensor. The penetration column is laterally penetrated by the first rotating rod, the second rotating rod and the third rotating rod along the horizontal direction from bottom to top. A guide column is provided at one end of the first rotating rod. The tightening bolt drives the first rotating rod to drive the guide column to rotate. A plurality of groups of plug holes for installing the monitoring structure are provided along the guide column. A monitoring column is laterally provided at one end of the second rotating rod. The first driver drives the second rotating rod to drive the monitoring column to rotate. A mounting hole for installing the corresponding sampling sensor is provided along the monitoring column. A first angle disk is provided on the second rotating rod near the first driver. A ferrule is provided at one end of the third rotating rod. A sampling can is provided at the center of the ferrule. The second driver drives the third rotating rod to drive the ferrule to rotate. A second angle disk is provided on the third rotating rod near the second driver. The temperature sensor can sense the temperature state of the entire electrolytic cell.

[0011] Preferably, the steering detection module includes a sleeve frame, a steering rod, a mounting column, a sliding drive and a third drive. An adjustment groove is opened in the center of the sleeve frame, and a guide groove connected to the adjustment groove begins to be provided on the side wall of the sleeve frame. A steering rod is provided in the center of the sleeve frame, and a mounting column is transversely sleeved on the steering rod. A directional socket begins to be provided along the edge of the mounting column. The third drive drives the steering rod to drive the mounting column to rotate along the adjustment groove. A guide sleeve is sleeved on the outer end of the steering rod, and a sliding drive is provided on the outer end of the guide sleeve. The sliding drive drives the guide sleeve to slide along the guide groove to perform corresponding steering adjustment monitoring to avoid damage during directional monitoring and increase flexible adjustment performance.

[0012] Beneficial effects of the utility model:

[0013] 1. According to the previous monitoring operation with simple cameras, when the rare earth electrolysis is affected by the fluctuation of the electrolysis environment under the special environment, it will cause equipment damage and the overall monitoring performance will be reduced. The difference is that a balance support structure is formed by a balance column, and a sliding block is used to drive the central balance adjustment component and the monitoring module to slide to a suitable position along the balance column for online monitoring operation. The steering detection module can be used for steering adjustment to avoid the impact of vibration. The monitoring module is used for sampling and monitoring operations. The central balance adjustment component is located at both ends of the balance column to adjust the center of gravity, and the central balance adjustment component is pulled together to form a triangular traction connection to improve the overall balance. When adjusting, the drive motor drives the first shaft to drive the wire rope to turn and adjust, and the adjusting bolt drives the second shaft to drive the wire rope to turn and adjust the positioning. The gyroscope and the center of gravity sensor are fed back to the flashing light to observe the center of gravity, thereby ensuring the stability of the overall monitoring structure and increasing the overall monitoring performance.

[0014] 2. When monitoring is carried out, the monitoring structure is installed using the plug hole, the corresponding sampling sensor is installed using the mounting hole, the first angle disk is observed, the first driver drives the second rotating rod to drive the monitoring column to rotate, the sampling operation is carried out using the sampling can, the second angle disk is observed, the second driver drives the third rotating rod to drive the ferrule to rotate, the third driver drives the steering rod to drive the mounting column to rotate along the adjustment groove, the outer end sleeve of the steering rod is provided with a guide sleeve, the sliding driver drives the guide sleeve to slide along the guide slot, and the corresponding steering adjustment monitoring is carried out to avoid damage during directional monitoring and increase flexible adjustment performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of a balance column of the utility model;

[0017] Figure 3 This is a schematic diagram of the central balance adjustment component of the utility model;

[0018] Figure 4 It is a schematic diagram of the monitoring module of the present utility model.

[0019] Description of the accompanying drawings: 1. Balance column; 2. Sliding block; 3. Center balance adjustment component; 4. Matching adjustment component; 5. Monitoring module; 6. Steering detection module; 101. Connecting sleeve; 102. Flashing light; 201. Driving module; 202. Positioner; 203. Positioning bolt; 301. Center column; 302. Visual monitor; 303. Positioning plate; 304. First positioning sleeve; 305. Second positioning sleeve; 306. Driving motor; 307. First rotating shaft; 308. Wire rope; 401. Fixing sleeve; 402. Second rotating shaft; 403. Adjusting bolt; 501. Penetration column; 502, temperature sensor; 503, first rotating rod; 504, tension bolt; 505, guide column; 506, plug hole; 507, monitoring column; 508, mounting hole; 509, second rotating rod; 510, first driver; 511, first angle plate; 512, second angle plate; 513, second driver; 514, third rotating rod; 515, sampling can; 516, ferrule; 601, rack; 602, adjustment slot; 603, guide slide slot; 604, steering rod; 605, mounting column; 606, directional socket; 607, third driver. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-2 The utility model provides an embodiment: an online monitoring device for rare earth electrolysis data, comprising a balancing column 1, a sliding block 2, a central balance adjustment component 3, a matching adjustment component 4, a monitoring module 5 and a steering detection module 6; the balancing column 1 is provided with a sliding block 2 which can drive the central balance adjustment component 3 and the monitoring module 5 to slide to a suitable position for online monitoring operation, and both ends of the balancing column 1 are provided with a steering detection module 6 which can be steered and adjusted to avoid the influence of vibration, and the lower end of the sliding block 2 is fixed with a monitoring module 5 for sampling and monitoring operations, and the top of the sliding block 2 is provided with a central balance adjustment component 3 for maintaining balance adjustment operation, and both ends of the balancing column 1 are provided with a matching adjustment component 4 for adjusting the center of gravity of the matching central balance adjustment component 3.

[0022] See also Figure 2-4In this embodiment, both ends of the balance column 1 are provided with a connecting sleeve 101, and a gyroscope and a center of gravity sensor are provided inside the connecting sleeve 101. The gyroscope model is XV7001BB, and the center of gravity sensor model is MPX4115A. A flashing light 102 is provided at the outer end of the gyroscope. The gyroscope and the center of gravity sensor are fed back to the flashing light 102 to observe the center of gravity situation, thereby ensuring the stability of the overall monitoring structure and increasing the overall monitoring performance. A driving module 201 is provided at the outer end of the sliding block 2, and a positioning bolt 203 is provided on a side of the sliding block 2 away from the driving module 201. A positioner 202 is provided at the center of the positioning bolt 203, and the positioner 202 is used to drive the positioning bolt 203 to position the sliding block 2.

[0023] See also Figure 3-4 In this embodiment, the central balance adjustment component 3 includes a central column 301, a visual monitor 302, a positioning plate 303, a first positioning sleeve 304, a second positioning sleeve 305, a drive motor 306, a first rotating shaft 307 and a wire rope 308. The top of the central column 301 is provided with a positioning plate 303, the top of the positioning plate 303 is provided with a visual monitor 302, the interior of the visual monitor 302 is provided with a wireless signal transmitter, the model of the visual monitor 302 is IV3-600CA, the model of the wireless signal transmitter is BT600, the two sides of the positioning plate 303 are respectively provided with a first positioning sleeve 304 and a second positioning sleeve 305, the first positioning sleeve 304 A first rotating shaft 307 is provided at the center of the first positioning sleeve 305, and a steel wire rope 308 is arranged around the first rotating shaft 307. The driving motor 306 drives the first rotating shaft 307 to drive the steel wire rope 308 to adjust the steering direction. The visual monitor 302 is used to monitor the overall status and the wireless signal transmitter is used to feed back to the background. The adjustment component 4 includes a fixed sleeve 401, a second rotating shaft 402 and an adjusting bolt 403. The center of the fixed sleeve 401 is provided with a second rotating shaft 402. The adjusting bolt 403 drives the second rotating shaft 402 to drive the steel wire rope 308 to adjust the steering direction. The adjusting bolt 403 drives the second rotating shaft 402 to drive the steel wire rope 308 to adjust the steering direction, thereby increasing stability.

[0024] See also Figure 1-4In this embodiment, the monitoring module 5 includes a penetration column 501, a temperature sensor 502, a first rotating rod 503, a tightening bolt 504, a guide column 505, a monitoring column 507, a second rotating rod 509, a first driver 510, a first angle plate 511, a second angle plate 512, a second driver 513, a third rotating rod 514, a sampling can 515 and a ferrule 516. The lower end of the penetration column 501 is provided with a temperature sensor 502. The penetration column 501 is horizontally penetrated with the first rotating rod 503, the second rotating rod 509 and the third rotating rod 514 from bottom to top. The first rotating rod 5 A guide column 505 is provided at one end of 03, and a loose bolt 504 drives the first rotating rod 503 to drive the guide column 505 to rotate. A plurality of plug holes 506 for installing the monitoring structure are provided along the guide column 505. A monitoring column 507 is provided horizontally at one end of the second rotating rod 509. A first driver 510 drives the second rotating rod 509 to drive the monitoring column 507 to rotate. A mounting hole 508 for installing the corresponding sampling sensor is provided along the monitoring column 507. A first angle plate 511 is provided on the second rotating rod 509 near the first driver 510. A third rotating rod 514 is provided at one end. The card sleeve 516, the center of the card sleeve 516 is provided with a sampling tank 515, the second driver 513 drives the third rotating rod 514 to drive the card sleeve 516 to rotate, and the third rotating rod 514 is provided with a second angle plate 512 near the second driver 513. The temperature sensor 502 can sense the temperature state of the entire electrolytic cell. The steering detection module 6 includes a sleeve frame 601, a steering rod 604, a mounting column 605, a sliding driver and a third driver 607. The center of the sleeve frame 601 is provided with an adjustment groove 602, and the side wall of the sleeve frame 601 begins to have a guide groove 60 connected to the adjustment groove 602. 3. A steering rod 604 is provided at the center of the sleeve frame 601. A mounting column 605 is sleeved transversely on the steering rod 604. A directional plug hole 606 is provided along the edge of the mounting column 605. The third driver 607 drives the steering rod 604 to drive the mounting column 605 to rotate along the adjustment groove 602. A guide sleeve is sleeved at the outer end of the steering rod 604. A sliding driver is provided at the outer end of the guide sleeve. The sliding driver drives the guide sleeve to slide along the guide slot 603. The sliding driver drives the guide sleeve to slide along the guide slot 603 to perform corresponding steering adjustment monitoring, avoid damage during directional monitoring, and increase flexible adjustment performance.

[0025] When working, the driving module 201 drives the sliding block 2, and uses the sliding block 2 to drive the central balance adjustment component 3 and the monitoring module 5 to slide to a suitable position along the balance column 1 for online monitoring operation, the driving motor 306 drives the first rotating shaft 307 to drive the wire rope 308 to turn and adjust, the adjusting bolt 403 drives the second rotating shaft 402 to drive the wire rope 308 to turn and adjust the positioning, and the gyroscope and the center of gravity sensor are fed back to the flashing light 102 to observe the center of gravity situation;

[0026] The monitoring structure is installed using the plug hole 506, and the corresponding sampling sensor is installed using the mounting hole 508. The first angle disk 511 is observed, and the first driver 510 drives the second rotating rod 509 to drive the monitoring column 507 to rotate. The sampling operation is performed using the sampling tank 515, and the second angle disk 512 is observed. The second driver 513 drives the third rotating rod 514 to drive the sleeve 516 to rotate. The third driver 607 drives the steering rod 604 to drive the mounting column 605 to rotate along the adjustment groove 602. The outer end of the steering rod 604 is provided with a guide sleeve, and the sliding driver drives the guide sleeve to slide along the guide groove 603 to perform corresponding steering adjustment monitoring.

[0027] Through the above steps, the sliding block 2 is used to drive the central balance adjustment component 3 and the monitoring module 5 to slide to the appropriate position along the balance column 1 for online monitoring operation. The steering detection module 6 can be used for steering adjustment to avoid the impact of vibration. The monitoring module 5 is used for sampling and monitoring operations. It cooperates with the central balance adjustment component 3 at both ends of the balance column 1 to adjust the center of gravity. It cooperates with the central balance adjustment component 3 to form a triangular traction connection to improve the overall balance. When adjusting, the driving motor 306 drives the first rotating shaft 307 to drive the wire rope 308 to steer and adjust, and the adjusting bolt 403 drives the second rotating shaft 402 to drive the wire rope 308 to steer and adjust the positioning. The gyroscope and the center of gravity sensor are fed back to the flashing light 102 to observe the center of gravity, thereby ensuring the stability of the overall monitoring structure and increasing the overall monitoring performance.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A rare earth electrolysis data online monitoring device, comprising a balance column (1); characterized in that: The invention also comprises a sliding block (2), a central balance adjustment component (3), a matching adjustment component (4), a monitoring module (5) and a steering detection module (6); a sliding block (2) is provided on the balance column (1) and can drive the central balance adjustment component (3) and the monitoring module (5) to slide to a suitable position for online monitoring operation; a steering detection module (6) which can be steered and adjusted to avoid vibration is provided below both ends of the balance column (1); a monitoring module (5) for sampling and monitoring operation is fixedly provided at the lower end of the sliding block (2); a central balance adjustment component (3) for maintaining balance adjustment operation is provided at the top of the sliding block (2); and matching adjustment components (4) for adjusting the center of gravity of the matching central balance adjustment component (3) are provided at both ends of the balance column (1).

2. The online monitoring device for rare earth electrolysis data according to claim 1, characterized in that: Both ends of the balance column (1) are provided with connecting sleeves (101), a gyroscope and a gravity center sensor are provided inside the connecting sleeve (101), and a flashing light (102) is provided at the outer end of the gyroscope.

3. The online monitoring device for rare earth electrolysis data according to claim 1, characterized in that: The outer end of the sliding block (2) is provided with a driving module (201), a side of the sliding block (2) away from the driving module (201) is provided with a positioning bolt (203), and a positioner (202) is provided at the center of the positioning bolt (203).

4. The online monitoring device for rare earth electrolysis data according to claim 1, characterized in that: The central balance adjustment component (3) comprises a central column (301), a visual monitor (302), a positioning plate (303), a first positioning sleeve (304), a second positioning sleeve (305), a driving motor (306), a first rotating shaft (307) and a steel wire rope (308). The top of the central column (301) is provided with a positioning plate (303), the top of the positioning plate (303) is provided with a visual monitor (302), a wireless signal transmitter is provided inside the visual monitor (302), the two sides of the positioning plate (303) are provided with a first positioning sleeve (304) and a second positioning sleeve (305), the centers of the first positioning sleeve (304) and the second positioning sleeve (305) are both provided with a first rotating shaft (307), a steel wire rope (308) is arranged around the first rotating shaft (307), and the driving motor (306) drives the first rotating shaft (307) to drive the steel wire rope (308) to adjust the direction.

5. The online monitoring device for rare earth electrolysis data according to claim 4, characterized in that: The matching adjustment component (4) comprises a fixing sleeve (401), a second rotating shaft (402) and an adjusting bolt (403). The center of the fixing sleeve (401) is provided with a second rotating shaft (402). The adjusting bolt (403) drives the second rotating shaft (402) to drive the steel wire rope (308) to adjust the direction.

6. The online monitoring device for rare earth electrolysis data according to claim 1, characterized in that: The monitoring module (5) includes a penetration column (501), a temperature sensor (502), a first rotating rod (503), a tension bolt (504), a guide column (505), a monitoring column (507), a second rotating rod (509), a first driver (510), a first angle plate (511), a second angle plate (512), a second driver (513), a third rotating rod (514), a sampling can (515) and a ferrule (516). The lower end of the penetration column (501) is provided with a temperature sensor (502). The penetration column (501) is provided with a first rotating rod (503), a second rotating rod (509) and a third rotating rod (514) in a horizontal direction from bottom to top. A guide column (505) is provided at one end of the first rotating rod (503). The tension bolt (504) drives the first rotating rod (503) to drive the guide column (505) to rotate. A plurality of groups of plug holes (506) for installing the monitoring structure are provided along the guide column (505), a monitoring column (507) is transversely provided at one end of the second rotating rod (509), a first driver (510) drives the second rotating rod (509) to drive the monitoring column (507) to rotate, a mounting hole (508) for installing the corresponding sampling sensor is provided along the monitoring column (507), a first angle plate (511) is provided on the second rotating rod (509) near the first driver (510), a ferrule (516) is provided at one end of the third rotating rod (514), a sampling can (515) is provided at the center of the ferrule (516), a second driver (513) drives the third rotating rod (514) to drive the ferrule (516) to rotate, and a second angle plate (512) is provided on the third rotating rod (514) near the second driver (513).

7. The online monitoring device for rare earth electrolysis data according to claim 1, characterized in that: The steering detection module (6) comprises a sleeve frame (601), a steering rod (604), a mounting column (605), a sliding driver and a third driver (607). An adjusting groove (602) is provided at the center of the sleeve frame (601). A guide sliding groove (603) communicating with the adjusting groove (602) is provided at the beginning of the side wall of the sleeve frame (601). A steering rod (604) is provided at the center of the sleeve frame (601). A mounting column (605) is sleeved laterally on the steering rod (604). A directional plug hole (606) is provided along the beginning of the longitudinal edge of the mounting column (605). The third driver (607) drives the steering rod (604) to drive the mounting column (605) to rotate along the adjusting groove (602). A guide sliding sleeve is sleeved at the outer end of the steering rod (604). A sliding driver is provided at the outer end of the guide sliding sleeve. The sliding driver drives the guide sliding sleeve to slide along the guide sliding groove (603).