30 results about "Smart instruments" patented technology

The invention discloses a laser measuring instrument for hub end face flatness detection, and relates to the technical field of hub plane measurement. The device comprises a device body, an intelligent instrument is arranged on the front face of the device body, a feeding mechanism is arranged on the back face in the device body, a material returning mechanism is arranged on the front face of the inner wall of the device body, a driver is arranged on the back face of the device body, and a material pushing mechanism is arranged on the top of the driver. And an electric telescopic rod is slidably mounted in the electric sliding rail. According to the invention, through swing absorption of the dust collection mechanism, the cleanliness of the hub is ensured, particles and dust are prevented from being attached to the top surface of the hub, the surface roughness of the hub is prevented from being increased, the interference of the laser instrument on the surface of the hub during laser scanning is reduced, the stripe definition and the measurement precision are ensured, and an arc-shaped plate performs shielding protection when the laser instrument is not used, so that the measurement precision is improved. Foreign objects are prevented from adhering to the mirror surface and blurring the mirror surface.

The invention belongs to the related technical field of mechanical fault diagnosis, and discloses a lightweight composite fault diagnosis method and a portable intelligent instrument. The method comprises the steps of real-time signal acquisition, signal preprocessing, real-time reasoning and alarm / data storage, and characterization of a Transform model through short-time Fourier transform and triangular activation of the Kolmogorov-Arnold expression theorem so as to ensure a reliable fault diagnosis result, and especially for invisible individuals and composite fault combinations, the fault diagnosis efficiency is improved, and the fault diagnosis accuracy is improved. The system not only inherits data acquisition and storage functions of traditional equipment, but also conveniently supports real-time reasoning of a deep learning algorithm so as to reduce individual differences; according to the portable intelligent diagnostic instrument, an end-to-end closed-loop diagnostic system integrating signal acquisition, real-time inference and portable algorithm updating is established.

The invention belongs to the technical field of instrument and meter manufacturing, and particularly relates to glue pouring equipment for intelligent instrument and meter manufacturing, which comprises a base, a lifting assembly is fixedly mounted on one side of the base, an extension frame is fixedly mounted on the lifting assembly, and a mounting panel is fixedly mounted on one side of the extension frame. A mounting panel is fixedly mounted on the upper side of the base, a glue filling assembly is fixedly mounted on the mounting panel, a mounting groove is formed in the upper side of the base, a placement assembly is fixedly mounted in the mounting groove and comprises a vibration spring, the vibration spring is fixedly mounted on the inner bottom wall of the mounting groove, and a bottom shell is fixedly mounted at the top end of the vibration spring; according to the glue filling equipment for manufacturing the intelligent instruments and meters, during glue filling, the controller starts the micro vibration motor to perform regular slight vibration at the same time, and the micro vibration motor enables the bottom shell to vibrate under the action of the vibration spring, so that the instruments and meters generate slight vibration, glue filling is assisted, and a cavity is prevented from being generated.

1. Name of this design product: Smart water meter actuator assembly (KY‑KT‑26). 2. Purpose of this design product: This design product is used as a drive device for controlling valve opening, closing and flow regulation in smart water meters and smart instruments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. Name of the product in this design: Smart Water Meter Actuator Assembly (KY-KT-27). 2. Application of this design: This design is used in smart water meters and smart instruments to control the opening and closing of valves and to regulate flow. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

Various methods are disclosed. One method includes reading an RFID card that is associated with a surgical instrument when the RFID card is located proximal to an RFID reader and initiating a wireless pairing process with the surgical instrument by the header module. Another method includes receiving an accessory at an accessory port of a modular energy system, communicating via a flexible serial communication interface coupled between a processor and the accessory port, the flexible serial communication interface configured to support multiple communication protocols, and detecting, by a presence detection circuit coupled between the accessory port and the processor, presence of the accessory connected to the accessory port. Other methods include a flexible serial bus power configuration method for a modular energy system and a remote power control interface method for a modular energy system.

1. Name of the product of this design: Electronic device with a horizontal screen user interface of an intelligent instrument that displays vehicle status information. 2. Purpose of the product of this design: an electronic device. 3. The key design point of this appearance design product lies in the graphical user interface. 4. The picture or photo that best illustrates the design points: Design 1 Interface change state diagram 1. 5. Conventional design, omitting rear view, left view, right view, top view and bottom view. 6. Designate Design 1 as the base design. 7.Purpose of the graphical user interface: It is used to display and provide users with real-time time, battery level, vehicle speed, power, current mileage, total mileage, average speed, maximum speed, riding time, calories, vehicle status, fault code, gear position, display settings and other information. 8. Human-computer interaction mode of the graphical user interface: When the driver operates the electric bicycle, the instrument displays the corresponding electric bicycle information or system information on the instrument. The driver can perform corresponding operations on the electric bicycle according to the prompt information given by the graphical user interface. 9. Description of the changing state of the graphical user interface: After the vehicle is powered on, the main view of Design 1 for entering the power-on password is displayed. After entering the password through the external button, it switches to the interface change state diagram 1 of Design 1, the vehicle self-test state interface. This interface displays the user interface of the vehicle in the self-test state. The upper position displays the real-time time, power, and vehicle status icons; the left middle part displays power, the middle displays speed, and the right displays gear; the middle bottom displays the power / riding assistance icon, and the left and right sides display TRIP and ODO status. After the self-test is completed, it switches to the interface change state diagram 2 of Design 1, the default state interface. Through the external button, it switches to the interface change state diagram 3 of Design 1, and sets the vehicle according to user needs. Through the external button, it can switch to the interface change state diagram 4 of Design 1, the information display combination (AVG, MAX) interface. The main view, interface change state diagram 1, interface change state diagram 2, and interface change state diagram 3 of Design 2 are the same as Design 1. Set the vehicle according to user needs. Through the external button, it can switch to the interface change state diagram 4 of Design 2, the information display combination (TIME, CAL) interface.

The present invention provides a blind recognition method for communication signal modulation mode for intelligent instruments, which aims to empower the instrument, free it from dependence on manual experience, and realize automated and intelligent electromagnetic signal measurement. The received signal is subjected to rough frequency estimation, frequency correction and signal detection. If the signal detection result is a communication signal, the pre-recognition type of the signal is determined by a signal recognition network based on convolutional attention (CNN-Attention). According to the pre-recognition type, the communication signal modulation mode is further classified, and the amplitude keying (ASK) type, phase shift keying (PSK) type, and quadrature amplitude modulation (QAM) type are identified respectively. The method proposed in the present invention gets rid of the dependence on manual experience, effectively alleviates the influence of noise, time-frequency asynchrony and radio frequency channels, solves the problems of low modulation recognition accuracy and poor algorithm robustness brought about by the existing methods, and greatly improves the accuracy of modulation recognition.

1. The name of the design product: intelligent instrument packaging workbench. 2. The use of the design product: for checking and packaging medical instruments. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. Name of the product in this design: IO digital interface module (industrial grade high precision). 2. Application of this design: It is used for digital input / output, signal conversion and transmission in PLC control systems, industrial robots and smart instruments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses an intelligent instrument storage and management device for engineering service, which comprises a first protection assembly, an expansion external connection assembly and a second protection assembly, and the expansion external connection assembly is arranged on the front side of the first protection assembly. The first protection assembly comprises a first protection shell, a handle, a base, a first threaded sleeve, a first threaded frame, a first clamping groove, a first sliding groove, a first sliding block, a first magnetic attraction block and a second magnetic attraction block, and the expansion external connection assembly comprises an external connection box body, a sealing door, a second threaded sleeve, a second threaded frame, a limiting groove, a second clamping groove and a limiting block. The intelligent instrument storage and management device for engineering service has the advantages of being good in protection effect and convenient to expand, and solves the problems that an intelligent instrument storage and management device for engineering service in the prior art is poor in fixing effect during use, is not provided with a double-protection shell, cannot expand the box body, and is inconvenient to use. And limitation exists in the using process of the device.

The invention relates to the technical field of instrument and meter manufacturing, and particularly discloses a high-precision intelligent instrument and meter manufacturing device which comprises a mounting table, two sets of first linear guide rails and two sets of second linear guide rails are arranged on the mounting table, a first transverse frame is arranged on the first linear guide rails, and a second transverse frame is arranged on the second linear guide rails. The first transverse frame is higher than the second transverse frame, a detection table is arranged between the two sets of second linear guide rails, a circuit board containing groove is formed in the detection table, a first detection mechanism is arranged on the first transverse frame, and a second detection mechanism is arranged on the second transverse frame. The first detection mechanism can accurately identify and classify complex defects such as pseudo soldering, cold soldering and bridging by fusing 3D morphology and high-definition optical characteristics, and can effectively distinguish dangerous electrical bridging and harmless soldering flux residues, so that the misjudgment rate is reduced to be extremely low; and the second detection mechanism can accurately position deep defects such as layering, cavities, via hole fracture and the like.

1. Name of the product of this design: User graphical interface for intelligent instrument of commercial vehicle with instrument interaction function for electronic equipment. 2. Purpose of this design product: Display the contents of commercial vehicle instruments and provide interactive feedback. 3. The key design point of this design product lies in the design of the graphical user interface on the screen. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. Designate Design 1 as the base design. 6. The purpose of the graphical user interface: to display and interact with the content interface on the instrument panel for various driving scenarios of commercial vehicles. 7. The area of ​​the graphical user interface in the product: located in the entire area of ​​the information screen. 8. Human-computer interaction mode of graphical user interface: used to interconnect with the central control screen, and view vehicle operation information and interact through the instrument interface when driving a commercial vehicle in multiple fields. 9. Description of the changing status of the graphical user interface: The main view of Design 1 is the view of the main interface of the commercial vehicle; click the driving icon in the function bar below the main view of Design 1 to jump to the Design 1 interface change status diagram 1, which is the normal driving state of the commercial vehicle, and the tachometer on the left and the speedometer on the right are displayed in the green area of ​​the normal range; when the speed of the commercial vehicle is too high, the pointer of the tachometer on the left enters the red warning area, and when the distance to the vehicle in front is close, there will be an alarm prompt in the middle of the main interface of the instrument, which is the Design 1 interface change status diagram 2; click the Design 2 main view [Happy Navigation], the instrument interface will synchronously display the navigation road information, and the instrument interface changes to the Design 2 interface change status diagram. Click [Aggregate Listening] in the main view of Design 3, the music playback information will be synchronized to the instrument interface, and the instrument application interface will change to the Design 3 interface change status diagram. Click on the incoming call display in the main view of Design 4. When the car computer is bound to the mobile phone's Bluetooth instrument interface, the incoming call information of the mobile phone will be displayed synchronously. You can quickly view and operate it through the square control key. The instrument application interface changes to the Design 4 interface change status diagram.

The invention discloses a digital planting sensing method and device based on active identification, and relates to the technical field of agricultural intelligent instruments and meters. According to the invention, through an industrially mature active identification technology, data acquisition is realized by taking position data as an identification carrier in a digitized agricultural machine operation process based on Beidou navigation, and through data mining and analysis, data such as an operation path, an operation area and operation duration of planting operation are accurately calculated, so that the operation efficiency is improved. And data support is provided for measuring and improving the agricultural planting operation efficiency.

The application relates to a kind of operation prediction method and system for intelligent instrument production task, which comprises: optimizing the part inventory state of enterprise based on genetic algorithm;According to the part inventory state of enterprise, the total processing time of inventory parts, the part assembly time of parts capable of being assembled into components after processing and the debugging inspection time factor of components capable of being assembled into system, the longest time that existing inventory can meet production is calculated to determine the allowed purchase time of the second batch of parts, and operation prediction is completed.The application can calculate the longest time that existing inventory can meet production, and quantitatively determine the allowed purchase time of the second batch of parts.The application can be applied in the field of intelligent production.

The invention relates to the technical field of intelligent instruments and meters, in particular to anti-collision and damping intelligent instrument and meter equipment which comprises an intelligent instrument and meter body, a mounting table, a rotary knob, a fixing assembly, a limiting plate, a locking assembly and a closing plate. The intelligent instrument body is located in the mounting table; a mounting column is arranged on the mounting table; a fixing cavity is formed in the mounting table, a knob is rotationally mounted on the mounting table, a fixing assembly is arranged on one side of the knob, limiting plates are annularly arrayed on the fixing assembly, and the knob drives the limiting plates to stretch out through the fixing assembly; a locking assembly is arranged on the inner side of the circumference of the fixing assembly, a closing plate is installed in the locking assembly in a sliding mode, and the fixing assembly drives the locking assembly to drive the closing plate to stretch out of the locking installation column. And the installation stability between the intelligent instrument body and the instrument is ensured.

The invention discloses a communication signal parameter blind estimation method and device for an intelligent instrument and a program product, relates to the field of signal identification, and is used for accurately estimating a carrier frequency deviation value, a symbol rate and a pulse shaping filter type of an electromagnetic signal at low-complexity calculation cost. According to the method, after normalization and carrier frequency offset coarse correction are carried out on the received signal, the carrier frequency offset and the coincidence rate are estimated, pre-estimation of the pulse shaping filter type is carried out through a spectrogram of the coarse correction signal, and the pulse shaping filter type is estimated for a square root raised cosine filter / raised cosine filter. The method comprises the following steps: sequentially carrying out carrier frequency offset correction on a first signal, carrying out matched filtering based on a square root raised cosine filter, constructing a constellation diagram based on a symbol rate, and finally judging whether the filter is a square root raised cosine filter or a raised cosine filter according to the constellation diagram. According to the invention, comprehensive, accurate and reliable estimation of electromagnetic signal parameters is realized with low calculation complexity, and automatic and intelligent electromagnetic signal measurement is realized.

This invention belongs to the field of automated testing technology, and particularly relates to a smart testing system for well logging instruments. It includes a test housing and a host computer. The test housing is used to connect to the instrument under test and is connected to the host computer via a bus interface. The host computer is used to install smart instrument testing software. The smart instrument testing software includes a data input module; a truth table generation module; a logic relationship processing module; a fault matching module, which has a built-in expert diagnostic processing knowledge base; and a fault diagnosis module. Addressing the shortcomings of existing well logging instrument testing methods, such as the inability to standardize fault detection processes, solidify software, and digitize records, and the inability to quickly locate and diagnose instrument faults, this invention proposes a smart testing system for well logging instruments.

The present invention relates to a floating point number low-loss encoding method for intelligent instrument data interaction, including: S1, formatting the floating point number into a string form; S2, extracting the three parts of information of the sign bit, the mantissa bit and the exponent bit from the string in sequence; S3, splitting the mantissa bit information and encoding the split numbers respectively to obtain three code elements; S4, attaching the sign bit information to the first code element; S5, encoding the exponent bit information separately into the last code element; S6, using three code elements to represent the mantissa bit and the sign bit, and one code element to represent the exponent bit to obtain a four-byte string encoding; S7, sending to a host computer to read and decode through the SCPI protocol to complete data interaction. Aiming at the weaknesses of the SCPI protocol, the present invention encodes the measurement reading from a floating point number into a visible string within 4 bytes. While reducing the encoded data, it still follows the principle of the SCPI protocol based on a readable string and maintains the original communication mode.

1. Name of this design product: Commercial vehicle intelligent instrument interactive interface for electronic equipment. 2. Purpose of this design product: Display the contents of commercial vehicle instruments and provide interactive feedback. 3. The key design point of this design product lies in the design of the graphical user interface on the screen. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. Designate Design 1 as the base design. 6.Purpose of the graphical user interface: Used to view and interact with vehicle operating information prompts through instrument content in various driving scenarios of commercial vehicles. 7. The area of ​​the graphical user interface in the product: located in the entire area of ​​the information screen. 8. Graphical user interface human-computer interaction mode: Users can check the driving status of commercial vehicles on the display terminal through this interface. 9. Description of the changing state of the graphical user interface: The main view of Design 1 is the view of the commercial vehicle host interface; when the commercial vehicle uses the driving status detection function room, click the vehicle button in the lower right corner of the main view of Design 1, and the instrument interface changes to Design 1 interface change state diagram 1. In the normal driving state, the tachometer on the left and the speedometer on the right are displayed with scales in the normal range; when the speed of the commercial vehicle increases, the tachometer scale on the left enters the red zone, reminding the user that the speed is too high, and it will change from the normal state of Design 1 interface change state diagram 1 to the excessive speed state of Design 1 interface change state diagram 2, and the speed scales are all displayed in a red gradient; when the car computer uses the navigation function, click the main view of Design 2 [Happy Navigation], the navigation road information is synchronized to the instrument interface, and the user can select a road by viewing the information. The instrument interface changes refer to the Design 2 interface change state diagram. When the car computer uses the music function, click the Design 3 main view [Aggregate Listening], the music album cover information and music progress bar information will be synchronized to the instrument interface. Users can select music by viewing the information. For changes in the instrument application interface, please refer to the Design 3 interface change status diagram. When the car computer is bound to the mobile phone Bluetooth, the user's incoming call information will be synchronized to the instrument interface in the form of a pop-up window. Click [Caller ID] above the main view of Design 4, and the user can choose whether to answer the call by viewing the information. Instrument application interface change reference design 4 interface change state diagram.

The invention discloses an intelligent instrument management system which is composed of an upper computer, intelligent instrument equipment, a signal acquisition module, a data collection module, a client / server, a network communication module and an intelligent instrument equipment management information platform. The upper computer is used for managing the intelligent instrument equipment; the signal acquisition module is used for combining acquired intelligent instrument equipment signals and then uploading the combined signals to the intelligent instrument equipment management system information platform; the data collection module is used for providing an interface for a terminal to read data; and the client / server is used for controlling the intelligent instrument management system. According to the intelligent instrument management system, the operation efficiency of a factory is improved by predicting, maintaining and optimizing the intelligent instrument equipment. The system can provide online equipment diagnosis and equipment state information, so that field instrument equipment is easier to maintain and higher in reliability, the maintenance efficiency is improved, and the maintenance and production cost caused by unplanned parking is reduced.

The invention discloses a contact angle measuring device capable of controlling the size of liquid drops and a control method, and belongs to the technical field of intelligent instruments.The device comprises a displacement platform, a liquid dropping structure, an electric power system structure, a data acquisition structure and a processor terminal.The data acquisition structure, the displacement platform and the liquid dropping structure are sequentially arranged on a base; the liquid dropping structure is provided with a needle cylinder and is provided with a flow pump; the electric power system structure comprises a printing substrate, a signal generator, a jet printing needle and a force sensor. The printing substrate is connected with the negative electrode of the power source. The output end of the signal generator is connected with a power supply, and the waveform, frequency and voltage of an output signal are adjusted through the signal generator, so that the size of jetted liquid drops is controllable within a certain range; the jet printing needle head is arranged on the needle cylinder and connected with the positive electrode of the power source, the jet printing needle head is suspended above the printing substrate, accurate control over the size of tiny liquid drops can be achieved by adjusting an input electric signal, and the jet printing device is suitable for being widely popularized.

The invention relates to the technical field of remote software upgrading, in particular to a remote software upgrading method and system for intelligent instruments and meters, and the system comprises a software upgrading management center and a remote server. A preliminary analysis unit, an upgrading condition unit, a pre-upgrading verification unit, an upgrading evaluation unit and an upgrading management unit are arranged in the software upgrading management center; according to the method, version upgrading demand analysis is preliminarily performed from the perspective of the software version of the target object, whether the target object needs to be upgraded and whether the target object has upgrading conditions is judged, analysis is further performed from two points of memory and network quality in an information progressive mode, whether the upgrading conditions of the current target object meet requirements is judged, and the upgrading efficiency is improved. And step-by-step analysis is carried out from the aspects of the size and the content fixed value of the upgrade package, so that the integrity of the downloaded upgrade package is ensured, and meanwhile, the collected upgrade defect information is deeply analyzed, so that whether the current target object is successfully upgraded or not can be intuitively known.

The utility model discloses an intelligent instrument with a high temperature alarm function, which comprises a fixed seat, an instrument main body is arranged at the top of the fixed seat, an alarm is arranged on one side of the front end of the instrument main body, a temperature sensor is arranged at the bottom of the instrument main body, and mounting seats are arranged on two sides of the top end of the instrument main body. And heat dissipation fins are arranged between the mounting seats. By arranging the mounting frame, the negative pressure fan and the heat conduction copper pipe, heat generated during operation of the instrument main body can be uniformly guided to the heat dissipation fins for heat dissipation through the heat conduction copper pipe during use, and the longitudinally distributed heat dissipation fins are more beneficial to air circulation; and in the heat dissipation process of the instrument main body, the negative pressure fan is started to accelerate the air circulation among the heat dissipation fins, so that the heat dissipation rate of the heat dissipation assembly is further improved, the instrument is ensured to operate at a safe environment temperature, and the practicability is higher.

The application discloses an electromagnetic coupling type fishable process system and method for oil and gas water wells, which comprises a pipe column and a downhole intelligent instrument, a plurality of layers of working barrels are installed in the pipe column from top to bottom, a first wireless transmission coil and a first control circuit are installed in each layer of working barrels, each layer of first wireless transmission coil and first control circuit is connected with a power supply and communication cable, a fishing joint is fixedly installed at the end of the downhole intelligent instrument, and a second wireless transmission coil and a second control circuit are installed at the lower part of the fishing joint; when layer-by-layer measurement and adjustment is performed, the downhole intelligent instrument is lowered into the working barrel, the second wireless transmission coil is aligned with the first wireless transmission coil, and energy transmission and bidirectional information communication are realized through electromagnetic coupling mode. The working barrel and the downhole intelligent instrument are used in non-electric contact mode, which is convenient for construction, low in operation risk, can realize layer-by-layer measurement and adjustment to meet the on-site operation demand, makes up for the deficiency of the prior art, realizes intelligent injection and production technology innovation, and reduces construction risk and operation cost.

The invention relates to the technical field of intelligent instrument metering, in particular to a high-accuracy measuring system for the standard volume of a deep-hole large-size pipe section and a using method, the measuring system comprises a measuring main body and a laser interferometer, the measuring main body is connected with one side of the measured pipe section, and the laser interferometer is independently installed on the other side of the measured pipe section; the measuring main body comprises a limiting device, a measuring device, a measuring platform and an upper computer, the measuring device is installed on the limiting device, the limiting device is installed on the measuring platform, the upper computer is installed on the measuring platform, the upper computer is arranged on the front side of the limiting device, a distance space is arranged between the laser interferometer and the limiting device, and the height of the laser interferometer is aligned with the height of the measuring device. The measuring device is wirelessly connected with the upper computer, and the laser interferometer is connected with the upper computer through a serial port. According to the system and the use method provided by the invention, the problem of high-accuracy, high-efficiency and non-destructive measurement of the standard volume of the deep-hole large-diameter pipe section is effectively solved.

1. The name of this design product: instrument screen. 2. Purpose of this design product: to be installed on the smart instrument screen of heavy trucks to display instrument data and multimedia functions. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The utility model relates to the technical field of instrument and meter detection, and discloses intelligent instrument and meter detection equipment which comprises a detection table, a detection mechanism and a clamping mechanism are arranged above the detection table, and the clamping mechanism is located on the inner side of the detection mechanism; the detection mechanism comprises a detection assembly and an adjusting assembly. Through the detection mechanism, the detection assembly utilizes a pressure sensor to move downwards and extrude a detection head of a pressure detection instrument fixed in a placement groove, and whether values displayed by the pressure detection instrument and the pressure sensor are consistent or not is observed, so that detection of instruments and meters is realized; meanwhile, whether the pressure sensors are located over the pressure detection instruments or not is judged through the laser displacement sensors and the positioning balls, errors caused by naked eye judgment are reduced, the adjusting assembly drives the detection assembly to move, and therefore the pressure sensors can conveniently detect the pressure detection instruments in different containing grooves; and the detection efficiency of the detection equipment on the intelligent instruments and meters is improved.

The embedded handlebar intelligent instrument comprises a handlebar, the handlebar comprises a connecting base part and a handle part, the handle part is arranged on one side of the connecting base part, a connecting section is arranged at the position, close to a transverse rod of the handle part, of the connecting base part, the connecting section is connected to the transverse rod of the handle part, and the handle part is arranged on the connecting section. A first fixing hole area is formed in the upper end of the connecting base part, a second fixing hole area communicated with the first fixing hole area is formed in the upper end of the connecting section and the upper end of a cross rod of the handle part, and the first fixing hole area and the second fixing hole area are combined to form a fixing hole. The instrument assembly is detachably connected to the interior of the fixing hole; the lower end of the second fixing hole area of the cross rod of the handle part is provided with a mounting area.