39results about How to "Increase inclusiveness" patented technology

The invention provides a large model connection context dialogue method based on an LSTM (Long Short-Term Memory) model, which belongs to the field of intelligent deep learning and comprises the steps of data preprocessing, input sequence coding, hidden state and memory cell initialization, decoding response generation, output sequence decoding, training and optimization, evaluation and adjustment. The method has high accuracy and response speed when processing a complex dialogue scene, and can be widely applied to the fields of intelligent customer service, intelligent assistants and the like.

The invention provides a harvester suitable for upright clustered roses. The harvester comprises a leaf separating and swinging device, a cutting and conveying device, a connecting rod linkage device, a power device, a collecting device and a walking mechanism. A connecting rod linkage device is installed on a chassis of the walking mechanism, a cutting and conveying device is arranged on the connecting rod linkage device, and a leaf separation swing device is arranged at the input end of the cutting and conveying device and used for leaf separation through reciprocating swing. The collecting device is located on a chassis of the walking mechanism below the output end of the cutting and conveying device. The connecting rod linkage device is used for adjusting the heights of the leaf separating and swinging device and the cutting and conveying device; and the power device is used for providing power. The rose bunch picking device can reduce the difficulty of picking rose bunches, reduce the labor intensity of workers and improve the working efficiency.

The invention discloses a multi-modal file data co-processing management system, which relates to the technical field of file management and comprises a data input layer, a data storage layer, a data processing layer, a business logic layer, an application layer, an integration layer, a security monitoring layer and an infrastructure layer. The method not only supports management and processing of various data types, improves data inclusivity and processing capability, but also has real-time cooperation and version control functions, improves team cooperation efficiency, reduces data conflicts, ensures data integrity and consistency, simplifies data entry, classification, filing and retrieval processes through automatic tools and algorithms, and improves the efficiency of team cooperation. And meanwhile, an intelligent search function is provided, required data can be quickly positioned, a user can remotely access archive data from any place with network connection, the accessibility of the data is improved, the system also supports cross-department data sharing, and the circulation and collaboration of information are promoted.

The invention discloses an intelligent building intercom system and an intercom control method, and relates to the field of intelligent buildings. The system comprises a building doorway talkback unit, a communication unit, a video processing unit and an indoor talkback unit, the building doorway talkback unit is used for acquiring visitor information of visitors, and the visitor information comprises at least one of a figure video and first voice talkback information; the communication unit is connected with the building doorway talkback unit and is used for transmitting the visitor information; the video processing unit is connected with the communication unit and is used for generating corresponding sign language information according to sign language actions when identifying that the character video contains the sign language actions; and the indoor talkback unit is connected with the communication unit and is used for receiving the visitor information and / or the sign language information and displaying the sign language information on a first display screen of the indoor talkback unit in a character form. According to the invention, the barrier-free communication function of the system is enhanced, and the communication efficiency and convenience between visitors and residents are improved.

The invention relates to urine drainage equipment capable of quickly and automatically responding and a special drainage material, an anti-leakage shell 20 in the special drainage material is provided with an automatic trigger switch which can automatically sense the urination state of a patient and quickly respond to start negative pressure suction, and the automatic trigger switch is automatically switched off after urination is finished, so that the urination state of the patient can be automatically sensed. And the urine drainage equipment 10 is recovered to a standby or dormant state. According to the technical scheme, the prepared nursing consumables are lower in cost and high in universality, the urination state monitoring sensitivity is high, the distortion or false triggering probability is extremely low, the negative pressure starting response time is short, and the problem of urine overflow caused by urine sensing delay or negative pressure starting lagging after urination is avoided.

The invention relates to the technical field of biology, in particular to a pear-shaped optical fiber LSPR (Localized Surface Plasmon Resonance) as well as a preparation method and blood coagulation process monitoring application thereof. The pear-shaped optical fiber LSPR is formed by processing a multimode optical fiber, the peak value of the pear-shaped optical fiber LSPR is less than 3 a.u., the pear-shaped optical fiber LSPR comprises a pear-shaped structure and an optical fiber structure, the optical fiber structure is connected with the pear-shaped structure, and the maximum outer diameter of the pear-shaped structure is 0.4 mm-0. 8 mm. The optical fiber LSPR can rapidly obtain the weak change of the refractive index in the human serum coagulation process, and a PT result can be obtained within 1 min. The monitoring method has the advantages that the device is portable, the operation is simple, the analysis is rapid, the household PT monitoring is expected to be realized, and a potential solution is provided for the household self-management of the anticoagulant medicine of the atrial fibrillation patient.

The utility model discloses a crushing and mixing device for dried stevioside materials, and relates to the technical field of stevioside production, blocky stevioside materials are crushed into small sizes in a crusher, enter a crushing surge bin and then enter a filter sieve under the suction force of a second vacuum feeding machine, and small-particle materials enter an undersize material surge bin for temporary storage; the stevioside enters the first feeding buffering bin under the action of the first vacuum feeding machine, then enters the second feeding buffering bin under the action of the third vacuum feeding machine and falls into the mixing machine below under the action of gravity, the uniformity of products is improved through secondary crushing and mixing of the mixing machine, and finally mixed stevioside materials enter the buffering tank to be temporarily stored and used for subsequent packaging and delivery. The whole process is operated in a closed mode, the possibility that stevioside dust enters air is greatly reduced, the device is friendly to the environment and the human body, meanwhile, continuous operation is achieved, production efficiency is improved, manual intervention is little, and productivity is saved.

The invention provides a continuous feeding device and method for square bars. The device comprises two roller driving units which are symmetrically arranged on the two sides of a square bar feeding path. Each roller driving unit comprises a box body, a worm rotatably arranged in the box body, at least two worm gears meshed with the worm, rollers coaxially and fixedly connected with the worm gears, and a driving mechanism; the rollers are configured in a manner that the working surfaces of the rollers can accommodate and press the side surfaces of the square bar, and a feeding cavity for clamping the square bar is formed between the corresponding rollers of the two roller driving units; the driving mechanism is connected to the worm and used for driving the worm to rotate. According to the square bar feeding device, a structure that a plurality of worm wheels on the same side are driven by a single worm at the same time is adopted for feeding square bars, stable conveying of the square bars can be achieved, and the problems that the square bars are prone to deflection or torsion in the feeding process, and the feeding precision and stability are difficult to guarantee are solved.

The utility model relates to a high-stability machining clamp which comprises a base plate, a fixed jaw plate and a movable jaw plate capable of moving back and forth relative to the fixed jaw plate are arranged on the base plate, transverse sliding grooves are formed in the clamping end face of the fixed jaw plate in a left-right spaced mode, and the movable jaw plate can move back and forth relative to the fixed jaw plate. Auxiliary limiting plates are arranged on the two transverse sliding grooves in a left-right sliding mode, and a first locking assembly capable of synchronously locking the two auxiliary limiting plates is further arranged on the fixed jaw plate. The limiting position can be flexibly adjusted according to the outline of the workpiece through the left and right transverse sliding grooves formed in the fixed jaw plate and the sliding type auxiliary limiting plate, and the inclusiveness of the clamp to the special-shaped workpiece is expanded; the auxiliary limiting plate and the fixed jaw form multi-point cooperative clamping, local stress is dispersed, workpiece displacement caused by machining vibration is effectively restrained, and the clamping rigidity is remarkably improved; and meanwhile, synchronous locking of the auxiliary limiting plates on the two sides is achieved through the first locking assembly, traditional tedious operation of adjusting one by one is avoided, and the adjusting time is shortened.

The invention provides a communication method and device based on queue pair switching, equipment, a medium and a program product, and relates to the technical field of network communication, and the method comprises the steps: determining a to-be-communicated target node, determining the state information of a first reliable connection queue pair between the to-be-communicated target node and the state information of the first reliable connection queue pair, the state information at least comprises a state machine value of the first reliable connection queue pair and a transmission failure timestamp; when the value of the state machine of the first reliable connection queue pair is in a first state and the time interval between the transmission failure timestamp and the current moment is smaller than a preset time interval threshold value, determining to adopt a second reliable connection queue pair to communicate with the target node; and when the value of the state machine of the first reliable connection queue pair is a first state and the time interval between the transmission failure timestamp and the current moment is greater than a preset time interval threshold, determining to communicate with the target node through the first reliable connection queue pair. The efficiency of large-scale training tasks can be improved.

This application relates to the field of integrated circuit technology and provides a physical IP verification device, verification method, computer equipment, and medium. The physical IP verification device includes: a first reusable multi-mode test sequence generator, a verification component physical interface, a second reusable multi-mode test sequence generator, and a verification component serial interface. This allows for the consideration of different simulation needs and scenarios, such as accelerating simulation efficiency and integrating verification. It supports protocol consistency verification, physical layer subsystem-level functional verification completeness, and standardized protocol verification. It provides a rich set of test vectors to meet the interfacing test scenarios and completeness verification needs of different layers, including the transaction layer, data link layer, and physical layer. It supports richly layered debugging interfaces and debugging methods, different physical interface versions and interface data bus widths, and also supports hierarchical and fine-grained low-power management.

The application provides a live conference real-time subtitle generation method and system fused with AI, relates to the field of real-time subtitle generation, and comprises the following steps: collecting an audio stream and dividing the audio stream into segments, assigning a sound source identifier to each audio subsegment after sound source separation and identification; performing speech recognition on the identified audio and associating the sound source to generate identified text; correcting text ambiguity by using a context knowledge base containing a subject word table and historical text; cutting the text according to an audio energy envelope to form a subtitle unit; calculating a subtitle display time, assigning a vertical offset to subtitles with overlapping time but different sound sources to realize spatial separation; adjusting the subtitle display coordinates in combination with a disabled area determined by a video frame foreground, and rendering and outputting. The method realizes clear distinction and accurate presentation of multi-speaker subtitles, and improves the readability and user experience of conference live subtitles.

The invention relates to the technical field of isotope production in nuclear power plants, and specifically discloses a fuel assembly for producing isotopes in a nuclear reactor, comprising an outer cladding, an upper seal, a lower seal, a mother material and a UO2 pellet block, wherein the outer cladding is a tubular structure, the upper seal and the lower seal are respectively arranged at two ends of the outer cladding, the mother material and the UO2 pellet block are both arranged inside the outer cladding, and the mother material and the UO2 pellet block are arranged in a nested manner; the invention compensates for the influence of the mother material absorbing neutrons on the reactivity of the fuel rod by adjusting the enrichment and size of the UO2 pellet block, greatly reduces the influence of the target on the reactivity and power peak factor of the nuclear power plant core, ensures that the thermal performance does not change significantly, and ensures the safety of the nuclear power plant; realizes the mutual independence of the UO2 fuel rod and the mother material rod, disassembles the mother material rod for producing isotopes after irradiation in the nuclear power plant and transports it to a hot chamber for separation and purification, greatly reduces the difficulty of separation and purification between the mother material and UO2.

The invention discloses a clamping mechanism and a wafer cleaning device.The clamping mechanism comprises a plurality of clamping assemblies used for clamping wafers, each clamping assembly comprises a driving part and a clamping part, the clamping parts are arranged on a supporting table, and the driving parts are located below the clamping parts and used for driving clamping jaws of the clamping parts to swing; the multiple clamping assemblies are evenly distributed in the circumferential direction of the supporting table, and every two clamping assemblies are oppositely arranged to form a plurality of clamping sets. The multiple clamping sets have at least two clamping jaw swing angle ranges. By adopting the technical scheme, the defect that the wafer is easily jacked by the clamping jaw in the process of feeding the wafer through the manipulator in the prior art is overcome, and the tolerance to the transverse stroke error of the manipulator is remarkably improved, so that the manipulator can better adapt to the deviation in actual operation, the smoothness of the clamping process is ensured, and the working efficiency is improved.

The embodiment of the utility model discloses a gathering bra. The gathering bra comprises cups, a lower band, steel rings, rear wings and shoulder straps, each cup comprises a cup surface layer, a cup inner layer and a clamping and bending sheet which is combined and fixed on one side, close to the cup inner layer, of the cup surface layer; the cup surface layer comprises a body part correspondingly connected with the cup inner layer, a clamping and bending part formed by extending the body part towards the clamping and bending side of the cup inner layer, and a front part formed by extending the body part towards the front part side of the cup inner layer; the clamping and bending sheet is combined and fixed on one side, close to the cup inner layer, of the clamping and bending part; the steel ring is combined and fixed at the bowl bundling ring position of the cup, and comprises a main body part corresponding to the bowl bundling ring position of the inner layer of the cup, a vacant part extending from one end of the main body part to the heart-shaped part, and a lateral pushing part extending from the other end of the main body part to the clamping and bending part; the clearance part is combined and fixed with the part, corresponding to the bowl bundling ring position of the cup, of the front part, and the side pushing part is combined and fixed with the clamping and bending part and the part, corresponding to the bowl bundling ring position of the cup, of the clamping and bending sheet.

The application discloses a mahjong machine with a control lighting lamp, and belongs to the technical field of mahjong machines, and has the technical scheme as follows: the mahjong machine comprises a mahjong machine main body, irradiation lamp strips are rotationally arranged on four sides of the mahjong machine main body, placing areas for placing mahjong hands are arranged on the four sides of the mahjong machine main body, the light beams of the irradiation lamp strips are obliquely shot from bottom to top to the mahjong hands in the corresponding placing areas, a controller is arranged on the mahjong machine main body, human body sensing modules are arranged on the four sides of the mahjong machine main body, the human body sensing modules are electrically connected with the controller, the controller is electrically connected with the irradiation lamp strips, when the human body sensing modules sense a human body, the controller controls the corresponding irradiation lamp strip to be turned on, and the four sides of the mahjong machine main body are provided with adjusting knobs for adjusting the brightness of the corresponding irradiation lamp strips, the mahjong machine forms effective light zones on the mahjong hands through the irradiation lamp strips, the recognition of the mahjong hands by users is enhanced, and the use experience is improved.

The utility model belongs to the field of test appliances and devices, and particularly discloses a tensile and creep endurance test device for a brittle material. The device comprises a chuck, a wedge-shaped lifting shoulder, a sliding ball, a pin and an adapter. The device is connected with a testing machine through pins, and the insertion directions of the upper and lower pins are vertical, so that the influence caused by coaxiality is effectively reduced; the clamping part and the wedge-shaped lifting shoulder are provided with arc grooves, balls are arranged in the clamping part and the wedge-shaped lifting shoulder, the balls can automatically slide in the preloading process after the sample is placed in the clamping part and the wedge-shaped lifting shoulder, the wedge-shaped lifting shoulder can automatically clamp the sample, the problem of non-coaxiality in the operation process is further solved, and the sample can be easily picked after the test is finished through the structure. The device provided by the utility model is easy and convenient to operate, and can effectively improve the accuracy and the working efficiency of the performance test of the ceramic in the high-temperature environment.

The utility model is applicable to the technical field, and provides an automobile spare part processing and positioning device which comprises a punching machine body, a workbench and a punching part are fixedly arranged on the punching machine body, a supporting table is fixedly arranged on the workbench and located under the punching part, a clamp box is fixedly arranged at the top of the supporting table, and a clamping groove is formed in the clamping box. Two symmetrically-arranged toothed plates are slidably connected to the inner bottom wall of the clamp box, a channel is formed in the side wall of the clamp box, the side walls of the toothed plates extend out of the channel and are fixedly connected with two fixing blocks, connecting bases are fixedly arranged on the opposite sides of the two fixing blocks, clamping blocks are arranged on the other sides of the connecting bases, and the clamping blocks are fixedly connected with the clamping blocks. The connecting base and the clamping block are fixedly connected through an arranged clamping mechanism. Through the arranged structure, the clamping effect is good, looseness cannot occur in all directions, inclusiveness is high, different clamps can be replaced according to nuts of different shapes, and operation is easy and convenient.

This invention relates to a diamond abrasive tool based on additive manufacturing, belonging to the field of diamond abrasive tools. It includes: grinding discs, a frame, and a tool substrate. The frame is a ring-shaped structure obtained through additive manufacturing and is fixedly mounted on the end face of the tool substrate. Multiple grinding discs are circumferentially spaced and fixedly mounted on the frame. The frame has various functional structures. This invention focuses on the additive manufacturing of the non-working layer structure in diamond abrasive tools, and does not involve the arrangement, holding, or bonding processes of diamond abrasive grains. The grinding component is a commercially available or separately prepared functional unit containing diamond abrasive grains. It provides an efficient and economical installation and support solution for the grinding component, achieving a multifunctional composite structure with optimized performance.

The invention discloses a silicon wafer overturning module, and belongs to the technical field of silicon wafer overturning, the silicon wafer overturning module comprises a first support frame, the side edge of the middle part of the first support frame is provided with a servo motor, and the output end of the servo motor is provided with a speed reducer; the silicon wafer conveying device further comprises a capacitive sensor installed on the conveyor, the capacitive sensor is used for detecting that silicon wafers are in place, a connecting groove is formed in the middle of the central rotating shaft, an overturning material shifting disc is installed on the connecting groove, and a guide groove for conveying the silicon wafers is formed in the overturning material shifting disc. According to the silicon wafer overturning module, the groove is formed in the middle of the rotating shaft, so that silicon wafer transmission is not influenced no matter the overturning function is used or not used, the production efficiency is improved, the inclusiveness of equipment is increased, the cost is saved, meanwhile, when the silicon wafer is overturned and transmitted to a high position, the silicon wafer can be automatically limited, and when the silicon wafer does not need to be transmitted, the silicon wafer can be automatically prevented from being damaged. And automatic cleaning of the tank body is realized.

The utility model relates to the technical field of automobile parts, in particular to a sealing structure of an automobile door window frame and an automobile door inner plate, which comprises the automobile door window frame, the automobile door inner plate and a sealing strip matched and connected with the automobile door window frame and the automobile door inner plate. A lap joint part sealing strip clamping structure is arranged on the vehicle door window frame along the outer edge of the vehicle door and the outer edge of the outer edge of the vehicle door inner plate and wraps the outer edge of the lower portion of the vehicle door window frame, a sealing structure connected with the lap joint part sealing strip clamping structure in a clamped mode is arranged on the sealing strip, and the sealing structure comprises a tight strip, an abutting plate, a clamping plate and an expansion structure strip. According to the sealing strip, the connection sealing performance of the zigzag corner bending position of the lap joint portion of the vehicle door window frame and the vehicle door inner plate is guaranteed, meanwhile, through the section structure design of the sealing strip, it can be guaranteed that clamping connection has enough lap joint amount while the assembling mode of buckle clamping connection is kept through the sealing strip, the inclusiveness of a product is improved, and the sealing performance of the vehicle door window frame and the vehicle door inner plate is improved. The sealing strip can be better matched with a vehicle door window frame and a vehicle door inner plate, and the sealing performance is good.

The embodiment of the invention provides an agricultural pest intelligent identification and question-answering method based on multispectral and bilingual interaction, and the method comprises the steps: collecting the multispectral image data of crops through a multispectral sensor, and transmitting the collected multispectral image data to an edge computing device; the multispectral image data comprises spectral information of a plurality of wavebands; deploying a lightweight convolutional neural network CNN model on an edge computing device, and performing feature extraction and disease and pest recognition on the multispectral image data through the trained lightweight convolutional neural network CNN model to obtain a preliminary disease and pest recognition result; transmitting the preliminary pest and disease identification result to a cloud server, further analyzing the preliminary pest and disease identification result in combination with an agricultural knowledge base and a multi-modal fusion algorithm, and generating a comprehensive pest and disease control scheme; according to the language preference of the user, the comprehensive pest control scheme is presented to the user in the language selected by the user through a Chinese and Uygur bilingual interaction module.

The utility model discloses a multi-dimensional billboard which comprises a digital board, a fixing frame is installed above the digital board, a protection screen is fixed on one side of the fixing frame, a first bolt penetrates through the surface of one side of the protection screen, a second bolt penetrates through the surface of one side of the fixing frame, one end of the second bolt is movably connected with a fixing block, and the other end of the second bolt is movably connected with the fixing block. A fixing plate is fixed on the other side of the digital board, and a clamping block is fixed on one side of the fixing plate; according to the multi-dimensional billboard, through the arrangement of the digital board, the fixing frame, the protection screen, the first bolt, the second bolt and the fixing block, in the using process of the multi-dimensional billboard, the second bolt is adjusted to enable the fixing block to tightly press the digital board, the protection screen is fixed to the digital board, and the digital board is protected; the digital board is prevented from being scratched by sharp articles or damaged by external force impact, the digital board is effectively protected from various potential damages, and the service life of the device is prolonged.

The utility model discloses an automatic feeding mechanism for a centerless grinding machine, and relates to the technical field of machining. The material returning device comprises a shell, a material returning hole is formed in the shell, a sliding groove is formed in the inner wall of the shell, and a fixing block is fixedly connected to the inner wall of the shell. The adjusting assembly is arranged, specifically, the adjusting assembly comprises the adjusting block, materials can be conveyed to the conveying crawler belt after being conveyed through the material containing table, the second feeding block and the sliding connecting plate, the materials are driven to pass through the adjusting block through transmission of the conveying crawler belt, and unqualified materials are blocked; due to the fact that the conveying crawler belt moves ceaselessly and leaves the conveying crawler belt through the protruding inclined face of the adjusting block, the conveying crawler belt returns to the material containing table through the material returning bin to be fed and placed again, meanwhile, a user can adjust the adjusting block by pulling a handle according to the size of materials, excessive manpower participation is avoided, and the labor cost is reduced; and the use convenience and inclusiveness of the mechanism are improved.

A guide plate assembly, design, manufacturing method and system for immediate implantation in the anterior teeth area. The present invention improves the traditional closed-loop guide ring structure through a special guide rail and guide bead combination component, and is used in digital implantation surgery for immediate implantation in the anterior teeth area. It can not only fundamentally reduce the generation of lateral force by changing the drilling direction, but also assist in guiding the drill needle to prepare a local arc hole, avoiding implantation deviation caused by lateral force during immediate implantation, and achieving accuracy and safety of digital implantation in immediate implantation in the anterior teeth aesthetic area.

This utility model discloses a device for easily filling the interior of sofa cushions, including a base plate, a filling machine fixedly mounted on the top of the base plate, a filling tube connected to one side of the filling machine, and a U-shaped support frame fixedly mounted on the top of the base plate. A receiving plate is mounted on one side of the U-shaped support frame, and a support plate is mounted on the side of the receiving plate away from the U-shaped support frame. A clamping component is provided inside the U-shaped support frame to clamp and fix the filling head of the sofa cushion, and an elastic component is provided on the top of the receiving plate to provide elastic support for sofa cushions of different shapes. This utility model can provide initial support for sofa cushions of different shapes, enhance the tolerance of irregularly shaped sofa cushions, ensure uniform pressure is applied to the filling head without damaging the fabric, and prevent the sofa cushion from detaching during filling. Simultaneously, the elastic component provides elastic support for the sofa cushion during filling, thus adapting to stable filling operations for sofa cushions of different shapes.

The present invention discloses a silicon wafer flipping module, belonging to the field of silicon wafer flipping technology. The present invention comprises a first support frame, a servo motor is installed on the middle side of the first support frame, and a reducer is installed on the output end of the servo motor; and further comprises: a capacitive sensor is installed on the conveyor, and the capacitive sensor is used to detect whether the silicon wafer is in place, a connecting groove is opened in the middle of the central rotating shaft, and a flip material dial is installed on the connecting groove, and a guide groove for silicon wafer conveying is opened on the flip material dial. The silicon wafer flipping module, by opening a groove in the middle of the rotating shaft, realizes that whether the flipping function is used or not, it does not affect the transmission of the silicon wafer, improves production efficiency, increases the inclusiveness of the equipment, and saves costs. At the same time, when the silicon wafer is flipped and transmitted to a high place, the silicon wafer can be automatically limited, and when the silicon wafer does not need to be transmitted, the automatic cleaning of the slot body is realized.

The invention relates to the field of agricultural information technology and plant protection, in particular to a corn disease control method and system fusing CNN and a large model, and the method comprises the steps: carrying out the precise positioning, type recognition and severity quantitative calculation of a disease region of a corn leaf image through the cooperative processing of image segmentation and a classification model; taking the obtained structured evaluation result and context information as prompts, and obtaining real-time and related prevention and treatment knowledge from a professional knowledge base by means of a retrieval enhancement generation technology; and finally, multi-source information is fused by the large language model, and a customized natural language prevention and treatment report is generated. According to the invention, end-to-end intelligentization from disease identification to prevention and control decision making is realized, the limitation of dependence on manual experience in the prior art is effectively overcome, and the precision and efficiency of agricultural plant protection are significantly improved.

The fixing clamp comprises a fixing plate, a limiting assembly and a fixing assembly, a limiting sliding groove is formed in the center of the fixing plate, two fixing sliding grooves are symmetrically formed in the fixing plate with the straight line where the limiting sliding groove is located as the symmetry axis, and the fixing sliding grooves are longer than the limiting sliding groove; the limiting assembly slides in the limiting sliding groove. The limiting assembly is used for limiting the bolt base plate, the fixing assembly is used for fixing the bolt base plate, the fixing assembly comprises a horizontal driving piece, a longitudinal driving piece and an intercepting piece, the horizontal driving piece is arranged at the end of the fixing sliding groove, and the longitudinal driving piece is arranged at the end of the longitudinal driving piece. The longitudinal driving pieces are arranged on the horizontal driving pieces located at the ends of the two fixed sliding grooves located on the same side, and the intercepting pieces are arranged at the ends, away from the horizontal driving pieces, of the longitudinal driving pieces. The device has the effect of improving the hole aligning and tapping efficiency of the bolt base plate.