Medical bracelet

By designing medical bracelets that integrate microphone, voice recognition chip and camera, and adopting a quick replacement component design, the problem of insufficient flexibility in the existing bracelet strap design is solved, and the effect of adapting to different wearing scenarios and reducing user allergic reactions is achieved.

CN222815415UActive Publication Date: 2025-05-02XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI
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Patent Information

Application Number
CN202421330579.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-05-02
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

When existing medical bracelets meet the needs of operation recording, real-time invigilance and preventing hospital infections, the strap design is not flexible enough to adapt to different wearing scenarios, and some users may experience allergic reactions.

Method used

A medical bracelet including a bracelet body and quick replacement components are designed. The bracelet body integrates a high-sensitivity microphone, voice recognition chip and camera, and has real-time video recording and online viewing functions of multiple people. The quick replacement assembly is designed with the design of the card connector and the mobile rack, allowing users to quickly change the wristband to adapt to the comfort and allergies of different users.

Benefits of technology

It realizes the convenience of teachers' remote guidance and students' self-study, ensures the fairness and authenticity of the assessment, is suitable for different wearing scenarios, reduces users' allergic reactions to the strap material, and improves the flexibility and convenience of the bracelet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a medical bracelet, which belongs to the technical field of medical treatment, and comprises a bracelet body and a quick replacement assembly, the quick replacement assembly comprises connecting frames arranged on two sides of the bracelet body, the top of each connecting frame is provided with a clamping groove, the inside of each connecting frame is slidably connected with a moving frame, and the edge of one end of each moving frame is provided with a clamping box. Two limiting rods are arranged on the inner wall of the clamping box, sliding plates are slidably connected to the outer walls of the two limiting rods, springs are arranged at the bottoms of the two sliding plates, the bottoms of the two springs are fixedly connected with the bottom of the inner wall of the clamping box, fixing blocks are arranged at the tops of the sliding plates, and clamping heads are arranged at the tops of the fixing blocks. The wrist strap has the advantages that when the clamping head passes through the clamping groove in the connecting frame, force borne by the spring disappears, then the clamping head is driven to be clamped into the clamping groove to be limited in a reset mode, and therefore the purpose of rapidly replacing the wrist strap is achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical treatment, and in particular relates to a medical wristband. Background Art

[0002] In the hybrid teaching model, students often need to conduct independent learning and practical operations outside the classroom, and the real-time voice prompt function of the bracelet can provide students with personalized operation guidance to help them complete learning tasks independently. At the same time, the video analysis function of the bracelet enables teachers to remotely evaluate students' operation performance, give timely feedback, and enhance teaching effectiveness. In online courses, practical teaching links are often difficult to implement effectively because real-time interaction and operation guidance between teachers and students are limited, and the material of the bracelet strap is not suitable for everyone during use. Some special groups are prone to allergies when using it. After searching, the application number "CN202122838699.7" discloses "a medical bracelet", which records: ": The two ends of the bracelet body are movably connected to the wristband through a connecting strap, which is convenient for disassembly and disinfection; the wristband is divided into three sections, including a first connecting ring, an elastic band and a second connecting ring, respectively. The elastic band serves to expand the size of the wristband to meet the use needs of more patients, and at the same time, the first connecting ring and the second connecting ring are connected together using an adjustment strap. , increase the stability of the bracelet, the adjustment belt is also used to fix the length of the elastic belt, and prevent the bracelet from falling off due to the elastic belt being too loose, so the medical bracelet in the utility model can be suitable for the wrists of more people, and it is stable to wear and not easy to fall off. "The wristband is divided into three sections, which include a first connecting ring, an elastic belt and a second connecting ring in sequence. The elastic belt plays a role in expanding the size of the wristband to meet the use needs of more patients. At the same time, the first connecting ring and the second connecting ring are connected together by the adjustment belt to increase the stability of the bracelet. The adjustment belt is also used to fix the length of the elastic belt, which does increase the stability of the bracelet. The adjustment belt is also used to fix the length of the elastic belt, and prevent the bracelet from falling off due to the elastic belt being too loose, so the medical bracelet in the utility model can be suitable for the wrists of more people, and it is stable to wear and not easy to fall off. However, the above comparative documents still have the following problems in actual use:

[0003] In actual applications, in order to meet the requirements of video recording, real-time proctoring, not wearing a watch on the wrist when operating with gloves, and disinfection to prevent hospital infection, the wristband strap adopts a detachable design, the material is waterproof and corrosion-resistant, and it is easy and quick to disassemble. The wristband is equipped with a variety of buckle replacement parts. After the buckle is installed, the wristband can be easily clipped to the pocket of clothes, the patient's bed guard, the infusion pole and other locations through the buckle to ensure that it is suitable for different wearing scenarios. This design not only meets the requirements of medical operations, but also improves the flexibility and convenience of the wristband.

[0004] Based on this, providing a wristband with replaceable strap that can solve the problem of teachers remotely guiding users is extremely practical. Utility Model Content

[0005] The purpose of the utility model is to provide a medical bracelet, aiming to solve the above technical problems.

[0006] The embodiment of the utility model provides a medical bracelet, comprising a bracelet body and a quick-change assembly.

[0007] Among them, one end of the bracelet body is rotatably connected to two regulators, the bottom of the bracelet body is provided with two magnetic charging slots, and the bracelet body is integrated with a high-sensitivity microphone, a voice recognition chip and a camera.

[0008] The quick-change assembly includes connecting frames arranged on both sides of the bracelet body, a card slot is opened on the top of the connecting frame, a mobile frame is slidably connected to the inside of the connecting frame, a card box is arranged at the edge of one end of the mobile frame, two limit rods are arranged on the inner wall of the card box, and sliding plates are slidably connected to the outer walls of the two limit rods, springs are arranged at the bottom of the two sliding plates, and the bottoms of the two springs are fixedly connected to the bottom of the inner wall of the card box, a fixing block is arranged on the top of the sliding plate, and a card joint is arranged on the top of the fixing block, and the top of the card joint passes through the card box and is interlaced with the card slot.

[0009] In an implementation manner of the utility model, a fixing plate is disposed on one side of the two moving frames, and a wrist strap is disposed on one side of the two fixing plates.

[0010] In an implementation manner of the utility model, a pin buckle is provided on one side of one of the wristbands, and a plurality of connecting holes are provided inside the other wristband.

[0011] In one implementation of the utility model, a storage battery is arranged at the bottom edge of the inner wall of the wristband body, and a central processing unit is arranged in the middle of the bottom of the inner wall of the wristband body.

[0012] In one implementation of the utility model, a vibration motor is arranged on one side of the bottom of the inner wall of the wristband body, and a WIFI and Bluetooth transmission module is arranged on the other side of the bottom of the inner wall of the wristband body.

[0013] In one implementation of the utility model, the exterior of the bracelet body is cast from aluminum alloy.

[0014] In one implementation of the utility model, the bracelet body, the vibration motor, and the WIFI and Bluetooth transmission modules are all electrically connected to a central processing unit, and the central processing unit is electrically connected to a battery.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1) Through the real-time video recording function of the wristband, students and teachers can remotely observe and analyze the operation process without disturbing the patient. At the same time, the assessment mode switching function of the wristband ensures that the wristband will not provide any voice prompts or interference during the assessment process, ensuring the fairness and authenticity of the assessment. This design not only respects the privacy and feelings of the patient, but also ensures the normal working order of the ward, thereby achieving the purpose of facilitating clinical practice teaching, providing self-study support for practitioners, and making clinical operation assessment more fair and just. The real-time video transmission and multi-person online viewing functions of the wristband allow teachers to remotely observe the students' operation process, make real-time comments and guidance, thereby making up for the shortcomings of online courses in practical teaching;

[0017] 2) Through the card connector, when the user is allergic to the watch strap or feels uncomfortable wearing it and wants to replace the wristband, the user presses the card connector to press the card connector downward and then transmits the force to the fixed block. The fixed block causes the sliding plate to slide on the limit rod, and then the spring contracts and accumulates force. At this time, when the card connector moves downward and slides out of the card slot, the user continues to press the card connector and pinch the mobile frame, slides to one end, and then removes the mobile frame and its wristband together. After removing the wristband, the user takes out a new wristband, pinches the mobile frame on the new wristband, and slides it into the connecting frame. At this time, the user presses the edge of the card connector to make it descend, and then makes the card connector parallel to the mobile frame and enters the connecting frame. When the card connector passes through the card slot in the connecting frame, the force on the spring disappears, and then the reset drive card connector is stuck in the card slot to limit, thereby achieving the purpose of quickly replacing the wristband. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the split structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the card-joint box of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the second electric telescopic rod of the utility model;

[0024] Figure 6 This is a schematic diagram of the support assembly structure of the utility model.

[0025] In the figure: 100, wristband body; 200, quick-change assembly; 210, connection frame; 220, mobile frame; 230, first card box; 240, limit rod; 250, sliding plate; 260, spring; 270, fixing block; 280, card joint; 300, fixing plate; 400, wristband; 500, pin buckle; 600, battery; 700, central processing unit; 800, vibration motor; 900, WIFI and Bluetooth Tooth transmission module; 1000, support assembly; 1100, connection block; 1200, fixing frame; 1300, second card box; 1400, auxiliary block; 1500, first articulated seat; 1600, auxiliary plate; 1700, second articulated seat; 1800, first electric telescopic rod; 1900, third articulated seat; 1910, second electric telescopic rod; 1920, turntable; 1930, base; 1940, stepping motor. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] See also Figure 1-3 A medical bracelet comprises a bracelet body 100 and a quick-change assembly 200.

[0029] For details, please refer to Figure 1 One end of the bracelet body 100 is rotatably connected to two regulators, and two magnetic charging slots are provided at the bottom of the bracelet body 100.

[0030] See also Figure 2-4The quick replacement assembly 200 includes a connection frame 210 that is arranged on both sides of the bracelet body 100, a card slot is opened on the top of the connection frame 210, and a mobile frame 220 is slidably connected to the inside of the connection frame 210. A first card box 230 is arranged at the edge of one end of the mobile frame 220, and two limit rods 240 are arranged on the inner wall of the first card box 230. The outer walls of the two limit rods 240 are slidably connected to a sliding plate 250, and springs 260 are arranged at the bottom of the two sliding plates 250. The bottoms of the two springs 260 are fixedly connected to the bottom of the inner wall of the first card box 230, and a fixed block 270 is arranged on the top of the sliding plate 250. A card joint 280 is arranged on the top of the fixed block 270, and the top of the card joint 280 passes through the first card box 230 and is interlaced with the card slot.

[0031] In a specific embodiment, through the provided card joint 280, when the user is allergic to the watch strap or feels uncomfortable wearing it, and wants to replace the wristband 400, the user presses the card joint 280, so that the card joint 280 is pressed downward and then transmits the force to the fixed block 270, and the fixed block 270 causes the sliding plate 250 to slide on the limit rod 240, and then the spring 260 contracts and accumulates force. At this time, when the card joint 280 moves downward and slides out of the card slot, the user continues to press the card joint 280 and pinches the movable frame 220, slides to one end, and then moves the movable frame 2 20 and its wristband 400 are removed together. After removing the wristband 400, the user takes out a new wristband 400, pinches the movable frame 220 on the new wristband 400, and slides it into the connecting frame 210. At this time, the user presses the edge of the card connector 280 to make it drop, and then makes the card connector 280 parallel to the movable frame 220 and enters the connecting frame 210. When the card connector 280 passes through the card slot in the connecting frame 210, the force exerted on the spring 260 disappears, and then resets the driving card connector 280 to be stuck in the card slot to limit the position, thereby achieving the purpose of quickly replacing the wristband 400.

[0032] See also Figure 2 A fixing plate 300 is disposed on one side of the two moving frames 220 , and a wristband 400 is disposed on one side of the two fixing plates 300 .

[0033] In a specific embodiment, the fixing plate 300 is provided to facilitate the support and fixation of the wristband 400 during use, so that the wristband 400 can be more stable during use, further improving the stability during use.

[0034] See also Figure 2 A pin buckle 500 is provided on one side of one wristband 400, and a plurality of connecting holes are provided inside the other wristband 400.

[0035] In a specific embodiment, the provided pin buckle 500 facilitates the user to insert another wristband 400 into the pin buckle 500 and match it with the connecting hole, so that the user can quickly wear it on the wrist.

[0036] See also Figure 3 A battery 600 is arranged at the bottom edge of the inner wall of the wristband body 100 , and a central processing unit 700 is arranged in the middle of the bottom of the inner wall of the wristband body 100 .

[0037] In a specific embodiment, the storage battery 600 is provided to store electricity during use, and can be quickly charged in conjunction with a magnetic charging slot, thereby improving work efficiency.

[0038] See also Figure 3 A vibration motor 800 is disposed on one side of the bottom inner wall of the wristband body 100 , and a WIFI and Bluetooth transmission module 900 is disposed on the other side of the bottom inner wall of the wristband body 100 .

[0039] In a specific embodiment, the vibration motor 800 is provided to facilitate the user as a remote observer or instructor to find that the operator has made an error in the steps, etc., to remotely remind and vibrate the bracelet, and to point out the erroneous steps through the Bluetooth headset.

[0040] See also Figure 1 The exterior of the bracelet body 100 is made of aluminum alloy.

[0041] In a specific embodiment, by providing an aluminum alloy, when using the bracelet body 100, the lightweight and durable characteristics of the aluminum alloy can be utilized, making it easier to wear and less prone to damage, thereby increasing the service life.

[0042] See also Figure 1-4 The bracelet body 100, the vibration motor 800 and the WIFI and Bluetooth transmission module 900 are all electrically connected to the central processor 700, and the central processor 700 is electrically connected to the battery 600.

[0043] In a specific embodiment, a PLC controller is provided to facilitate power-on control of electrical equipment, so that the electrical equipment can be powered on when it needs electricity, avoiding the situation where it cannot be powered on when it needs electricity.

[0044] When in use, first, through the provided card connector 280, when the user is allergic to the watch strap or feels uncomfortable wearing it and wants to replace the wristband 400, the user presses the card connector 280 to press the card connector 280 downward and then transmits the force to the fixed block 270, the fixed block 270 causes the sliding plate 250 to slide on the limit rod 240, and then the spring 260 contracts and accumulates force, at this time the card connector 280 moves downward and slides out of the card slot, and then the user continues to press the card connector 280 and pinch the movable frame 220, slide to one end, and then remove the movable frame 220 and its wristband 400 together, after removing the wristband 400, the user takes out the new wristband 400, pinches the movable frame 220 on the new wristband 400, and slides it into the connecting frame 210, at this time the user presses the edge of the card connector 280, then makes it drop, and then makes the card connector 280 parallel to the movable frame 220 and enters the connecting frame 210. When the card connector 280 passes through the card slot in the connection frame 210, the force on the spring 260 disappears, and then the reset driving card connector 280 is locked into the card slot to limit the position, thereby achieving the purpose of quickly replacing the wristband 400. Finally, through the provided pin buckle 500, it is convenient for the user to insert another wristband 400 into the pin buckle 500 and cooperate with the connection hole, so that the user can quickly wear it on the wrist. In actual use, the operation step tracking reminder can be realized, and the voice reminder of the operation step can be turned off by the invigilator. Only the instructions of the invigilator can be heard. The on-site operation is recorded in real time, and the operation status is 360 degrees without dead angles. The errors and deficiencies in the operation are identified, and improvement suggestions are given. The score is judged according to the operation score design, and it can cooperate with VR equipment to provide an immersive operation training experience. The personalized voice prompt function provided by the bracelet can provide customized operation guidance according to the students' learning progress and level. This personalized learning method helps to stimulate students' interest and enthusiasm in learning and improve learning effects. At the same time, the wristband's video analysis system can accurately identify errors and deficiencies in operation, provide students with targeted improvement suggestions, and help them quickly improve their operating skills. In terms of assessment, the wristband's real-time video transmission and multi-person online viewing functions make the assessment process more open, transparent and fair. The assessor can remotely observe and analyze the student's operation process, and score and evaluate based on objective data and facts, avoiding the influence of subjectivity and bias. It is not only suitable for clinical teaching, but also for other skill training, experimental operation, industrial production, etc. It is not only suitable for clinical teaching, but also can be used for work content that is not easy to carry out quality control and process management, such as the transfer and rescue of critically ill patients. It is also suitable for other skill training, experimental operation, industrial production, etc.

[0045] Example 2

[0046] See also Figure 5-6 In order to make the bracelet more convenient to use, the technical features of this embodiment and embodiment 1 are as follows:

[0047] The bracelet body 100 is also provided with a supporting assembly 1000, which includes a connecting block 1100 correspondingly arranged at one end of the bracelet body 100, two sliding grooves are provided at the bottom of the connecting block 1100, two fixing frames 1200 are provided at one end of the connecting block 1100, two second clamping boxes 1300 are provided at the ends of the two fixing frames 1200, and the middle of the two second clamping boxes 1300 is slidably clamped with the bracelet body 100, and two auxiliary blocks 1400 are provided at the bottom of the connecting block 1100, and the bottoms of the two auxiliary blocks 1400 are hinged with a first hinge seat 1500, and the bottom of the first hinge seat 1500 is provided with an auxiliary plate 1600, and the top of the auxiliary plate 1600 is provided with two second hinge seats 1700, and the interiors of the two second hinge seats 1700 are hinged with a first electric telescopic rod 1800, and the two second hinge seats 1700 are hinged with a first electric telescopic rod 1800. The ends of an electric telescopic rod 1800 are hinged with a third articulated seat 1900, and moving blocks are arranged on the tops of the two third articulated seats 1900. The tops of the two moving blocks are slidably connected to the slide grooves. Two supporting blocks are arranged on the top of the auxiliary plate 1600, and the tops of the two supporting blocks are movably connected to the connecting block 1100. A second electric telescopic rod 1910 is arranged at the bottom of the auxiliary plate 1600, and a turntable 1920 is arranged at the bottom of the second electric telescopic rod 1910. The bottom of the turntable 1920 is rotatably connected to a base 1930. A stepper motor 1940 is arranged at the bottom of the inner wall of the base 1930, and the output shaft end of the stepper motor 1940 passes through the base 1930 and is fixedly connected to the turntable 1920. A plurality of universal wheels are arranged at the bottom of the base 1930, and a PLC controller is arranged at the top corner of the base 1930.

[0048] During an exam or when recording an operation video, the user uses the second card box 1300 to facilitate the user to remove the bracelet body 100 through the first card box 230 and install it on the second card box 1300. At this time, the user can open the first electric telescopic rod 1800 through the PLC controller, and the first electric telescopic rod 1800 will shrink, and then the third articulated seat 1900 will drive the moving block to slide in the slide groove and cooperate with the first articulated seat 1500 and the second articulated seat 1700 to adjust the angle of the connecting block 1100 up and down. The second electric telescopic rod 1910 is turned on through the PLC controller, so that the second electric telescopic rod 1910 can drive its top part to adjust the height, so that it can adapt to different heights during operations such as oxygen inhalation and infusion. The stepper motor 1940 is used to facilitate the user to turn on the stepper motor 1940 through the PLC controller, so that the stepper motor 1940 drives the turntable 1920 to rotate, and then the second electric telescopic rod 1910 drives its top part to adjust left and right, thereby realizing the adjustment of various angles and their heights, so as to more conveniently supervise and teach students during teaching and examinations.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A medical bracelet, characterized in that: include: A wristband body (100), one end of the wristband body (100) is rotatably connected to two regulators, and the bottom of the wristband body (100) is provided with two magnetic charging slots; A quick-change assembly (200), the quick-change assembly (200) comprising connection frames (210) both arranged on both sides of a bracelet body (100), a card slot being provided at the top of the connection frame (210), a moving frame (220) being slidably connected inside the connection frame (210), a first card connection box (230) being provided at an edge of one end of the moving frame (220), two limit rods (240) being provided on the inner wall of the first card connection box (230), the two limit rods (240) being arranged on the inner wall of the first card connection box (230), and the two limit rods (240) being arranged on the inner wall of the first card connection box (230). The outer wall of the first card box (230) is slidably connected to a sliding plate (250), the bottom of the two sliding plates (250) are provided with springs (260), the bottoms of the two springs (260) are fixedly connected to the bottom of the inner wall of the first card box (230), the top of the sliding plate (250) is provided with a fixed block (270), the top of the fixed block (270) is provided with a card connector (280), the top of the card connector (280) passes through the first card box (230) and is connected to the card slot.

2. A medical bracelet according to claim 1, characterized in that: A fixing plate (300) is provided on one side of the two moving frames (220), and a wristband (400) is provided on one side of the two fixing plates (300).

3. A medical bracelet according to claim 2, characterized in that: A pin buckle (500) is provided on one side of one of the wristbands (400), and a plurality of connection holes are provided inside the other wristband (400).

4. A medical bracelet according to claim 1, characterized in that: A storage battery (600) is arranged at the bottom edge of the inner wall of the wristband body (100), and a central processing unit (700) is arranged at the middle of the bottom of the inner wall of the wristband body (100).

5. A medical bracelet according to claim 4, characterized in that: A vibration motor (800) is arranged on one side of the bottom of the inner wall of the bracelet body (100), and a WIFI and Bluetooth transmission module (900) is arranged on the other side of the bottom of the inner wall of the bracelet body (100).

6. A medical bracelet according to claim 5, characterized in that: The exterior of the bracelet body (100) is cast from aluminum alloy.

7. A medical bracelet according to claim 6, characterized in that: The bracelet body (100), the vibration motor (800) and the WIFI and Bluetooth transmission module (900) are all electrically connected to the central processor (700), and the central processor (700) is electrically connected to the battery (600).

8. A medical bracelet according to claim 7, characterized in that: The invention also includes a support assembly (1000), wherein the support assembly (1000) includes a connection block (1100) correspondingly arranged at one end of the bracelet body (100), two slide grooves are provided at the bottom of the connection block (1100), two fixing frames (1200) are provided at one end of the connection block (1100), two second card-connecting boxes (1300) are provided at the ends of the two fixing frames (1200), and the middle of the two second card-connecting boxes (1300) is connected to the bracelet body (100). The connecting block (1100) is provided with two auxiliary blocks (1400) at the bottom, and the bottoms of the two auxiliary blocks (1400) are hinged with a first hinge seat (1500). The bottom of the first hinge seat (1500) is provided with an auxiliary plate (1600). The top of the auxiliary plate (1600) is provided with two second hinge seats (1700). The insides of the two second hinge seats (1700) are hinged with a first electric telescopic rod (1800). The ends of the first electric telescopic rod (1800) are hingedly connected to the third hinged seat (1900), the tops of the two third hinged seats (1900) are each provided with a moving block, the tops of the two moving blocks are both slidably connected to the slide groove, the top of the auxiliary plate (1600) is provided with two supporting blocks, the tops of the two supporting blocks are movably connected to the connecting block (1100), the bottom of the auxiliary plate (1600) is provided with a second electric telescopic rod (1910), and the second electric telescopic rod (1910) is provided with a second electric telescopic rod (1910). A turntable (1920) is arranged at the bottom of the rod (1910), the bottom of the turntable (1920) is rotatably connected to a base (1930), a stepper motor (1940) is arranged at the bottom of the inner wall of the base (1930), the output shaft end of the stepper motor (1940) passes through the base (1930) and is fixedly connected to the turntable (1920), a plurality of universal wheels are arranged at the bottom of the base (1930), and a PLC controller is arranged at the top corner of the base (1930).