6072results about How to "Improve work efficiency" patented technology

The present invention discloses a collaborative service platform facing to heterogeneous data; the non-structural information of every system data source of the collaborative service platform is converted into structural data based on the data conversion mode of XML; a basic service component integration platform recomposes different service platforms and different businesses platforms; the information integration technology with unified data source and interface is adopted for providing service for user; the collaborative service system coordinates two or more different sources or individuals to complete the object and solve information isolated island; at the same time, the flow is standardized and the management and implementation capacity is enhanced; the reaction and the development are implemented on the complicated application system, the business relation is utilized to joint various service flow in a seamless way and manage the shared knowledge capital and relation with partners; the application system manages and handle the data; the present invention realizes the mutual data exchange and the share of different system data which serves for the normal operation of a company.

The invention relates to a screw drilling tool, a vertical drilling tool testing method and well inclination simulation testing equipment, and relate to the technical field of petroleum equipment. Thetesting equipment comprises a main bracket, a push-pull device and an angle measuring device, wherein the first end of a tested tool is suspended and pivoted to the main bracket, one end of the push-pull device is connected with the main bracket, the other end of the push-pull device is connected with the tested tool, and the push-pull device is used for pushing or pulling the tested tool to makethe tested tool incline; and the angle measuring device is connected with the tested tool and used for measuring the offset distance of the second end of the tested tool. The testing method includesthe following steps that the first end of the tested tools is suspended and pivoted to the main bracket; the second end of the tested tool is pushed or pulled to make the tested tool incline; the offset distance of the second end of the tested tool is measured; and according to the offset distance, the inclination angle of the tested tool is calculated. By means of the testing equipment and the testing method, the tested tool can incline at different angles, and the working condition that the tested tool deviates from the vertical plane due to inclination of a well wall is simulated.

The present invention discloses a method for intelligent automatic identification of transmission circuit parts. The method comprises the following steps: S1, the original image of an unmanned aerial vehicle polling transmission circuit is taken as an image source, positions of parts such as a tower, an insulator, a grading ring, a spacer and the like in the original image, attribute labels are added for each part, and a transmission circuit part identification training data set is constructed; S2, a convolutional neural network and a feature pyramid network is employed to extract the multi-layer features of a transmission circuit image; S3, the extracted image features and the calibrated label data are taken as training input data, a position sensitive scoring graph is calculated, the loss value of classification and regression networks is calculated, and the stochastic gradient descent is employed to optimize parameters of classification network and the regression network so as to realize optimal classification and location of the parts in the training data; and S4, according to the training parameters obtained according to the transmission network identification training, the transmission circuit polling data is introduced in batch to realize automatic location and classification of the parts.

The invention discloses an intelligent correction method and system. The system comprises an online test question login system, a test question database module, a cloud intelligent image identification and test question judgment module, an answer sheet cloud storage module, an online teacher scoring system, a student/test question analysis system, a student mark database module and a parental notification system. The system can effectively improve the working efficiency of teachers, and assist the teachers and the patents to provide a practical and effective scheme of improving the academic records according to personal conditions of the students, and after a certain amount of data are collected, the system database can also be converted into a teaching big data collection platform besides keeping the original functions so as to provide big data services for teaching analysis.

This keyboard spill-proofing mechanism reduces and prevents damage to the electronic circuitry in keyboard that would normally occur due to inadvertent spillages of liquids, such as water, coffee or soda, onto the keyboard. This keyboard spill-proofing mechanism features a membrane sheet positioned below the top case. The membrane sheet includes multiple layers that have electrical circuits. The electrical circuits detect the off/on state of the key caps when they are pressed. The keyboard design features a waterproof base sheet made of an adhesive material that is positioned between the top case and the membrane sheet. The waterproof base sheet is designed such that a plurality of rubber springs connected thereon transmit the off/on state of the key caps to the electrical circuits in the membrane sheet. The waterproof base sheet is also designed so that it has multiple blocking portions which project upward from the waterproof base sheet so as to prevent spilled liquid from flowing downward onto the membrane sheet thereby preventing or reducing possible damage to the electrical circuits in the membrane sheet of the keyboard.

The invention provides a biomass wood-plastic composite material for 3D (three-dimensional) printing. The composite material is characterized by comprising the following components in parts by mass: 30 to 60 parts of PLA (poly lactic acid), 6 to 10 parts of UHMWPE (ultrahigh molecular weight polyethylene), 10 to 40 parts of wood dust, bamboo powder or rice hull powder, 10 to 20 parts of paper pulp, 1 to 4 parts of a compatilizer, 1 to 3 parts of a coupling agent, 5 to 10 parts of hollow microspheres, 1 to 3 parts of a lubricant, 0.5 to 2 parts of an antioxidant and 1 to 3 parts of a toughening agent. The composite material is low-carbon, environment-friendly, high in stability, free of hole plugging and warping, can be completely recycled, has the natural friendliness of wood, and has low requirements for machining conditions, and a product has higher physical and mechanical performance and higher weather resistance such as acid and alkali resistance, mothproof performance and ultraviolet resistance.

The invention discloses a small file storage method based on a Hadoop distributed file system. The method comprises steps of (1) additionally arranging two servers; (2) judging whether a file is a small file; (3) judging the request state of a large file; (4) judging the request state of the small file; (5) pre-processing a write request; (6) processing the write request; (7) detecting a cache; (8) pre-processing a read request; (9) processing a read request; (10) separating small files; (11) establishing a prefetching record; and (12) updating the prefetching record. Compared with existing methods for storing lots of small files, the small file storage method guarantees universality of the system, and also has advantages of having high reading and writing performance and efficiency, easing NameNode internal storage burden, and solving problems of high NameNode memory usage rate in storing lots of small files, and low storage access efficiency. The small file storage method can be used by the distributed file system for storing and managing lots of small files.

The invention relates to a secondary maintenance safety measure ticket system and a realization method thereof, and relates to the technical field of secondary maintenance safety measures in the direction of intelligent transformer substation secondary operation. The secondary maintenance safety measure ticket system comprises a model data management module, a real-time database, a historical database, a graph editor and an safety measure ticket application module. The realization method of the secondary maintenance safety measure tickets realizes a series of function requirements of secondary maintenance safety measures, such as intelligent ticket simulation, anti-error verification, rehearsal simulation, safety measure ticket management and visual display. The secondary maintenance safety measure ticket system and the realization method thereof solve the problems that conventional manual programmed secondary safety measure tickets are high in difficulty and error-prone and system management is unavailable for the secondary safety measure tickets, the working efficiency of secondary maintenance personnel is improved, the validity and the accuracy of secondary maintenance safety isolation measures are ensured, and the safe and reliable secondary maintenance safety measure implementing technology guarantee and an application system support system are provided for operation, maintenance and reorganization and expansion work of the intelligent transformer substation.

The invention discloses a workpiece stamping intelligent control process. The workpiece stamping intelligent control process controls automatically and satisfies all actions to be operated coherently to effectively improve working efficiency, no manual work is needed, safety is improved and cost is effectively saved. Product quality is guaranteed to enable products to meet market demands. The invention further provides an intelligent control manipulator implementing the process. Through an efficient, accurate, flexible, safe operation mode flexible in design, the intelligent control manipulator is convenient to operate, production efficiency is greatly improved, structural design is reasonable, design mode is flexible, effects are obvious, process persistence is high, raw materials are saved and energy consumption is quite low; a regulation and control type industrial control process satisfies different demands, the structural design enhances smoothness, swing precision is guaranteed, and machining process is guaranteed to be completed automatically, continuously and effectively; and conventional manual or semi-automatic machining modes are replaced, and resources are saved.

The invention discloses a hot-air drying machine capable of utilizing waste heat and achieving penetrating countercurrent fluidization. The upper portion of a drying tower is connected with an induced draft fan, and the induced draft fan is connected with a cyclone dust removing waste heat efficient recoverer formed by a tube-type heat exchanger and a cyclone dust collector in an overlapped manner in the tangent direction and then is emptied; the air inlet end of the shell side of the tube-type heat exchanger is communicated with the atmosphere, and the air outlet end of the shell side of the tube-type heat exchanger is connected with the lower portion of the drying tower through an air blower and a steam finned heater; and an impeller of the induced draft fan is of a structure that blades are in a hollow and wedged shape, and the contour line of the appearance of the induced draft fan is an involute. According to the hot-air drying machine capable of utilizing the waste heat and achieving the penetrating countercurrent fluidization, creative integration is conducted on waste heat utilization and dust removal, the cyclone dust removing waste heat efficient recoverer is designed out, the equipment input is reduced, and the work efficiency is improved; and due to the fact that sieve mesh cone covers, sieve mesh cone discs, discharging tubes, a stretching vibration transmission shaft and conical plugs are arranged, penetrating, countercurrent, boiling and fluidization drying of materials are exquisitely and perfectly achieved, more energy is saved, the drying quality is higher, the power consumption of the induced draft fan is lower, and the application prospect is wider.

The invention relates to an electric patrol system and a patrol method, in particular to an electric patrol system with fingerprint identifying function and a relative patrol method. The system comprises an electric label and a patrol device, wherein the patrol device comprises an electric label recognize module, a fingerprint processing module, a CPU, a memory, and a prompt and/or display module. The hand-held mobile electric patrol method with fingerprint identifying function comprises that (1), setting patrol position, worker, and relative basic information to form a basic information manage module, (2), using a circuit design module to distribute patrol circuit, time and worker, (3), using a patrol device communication module to read patrol record from the patrol device, (4), using a data analysis module to analyze the patrol result, (5), outputting relative data. The invention has high working efficiency, simple operation and the ability for resolving illegal card register problem.

The invention discloses an automatic axial turnover mechanism for fixtures, which comprises a supporting seat. Two ends of the supporting seat are provided with a rotating shaft respectively; a turnover stand is connected between rotating shafts; the rotating shafts can drive the turnover stand to rotate through a jacking cylinder; a rotating shaft at one end of the supporting seat is arranged ina bearing, and the rotating shaft at the other end is connected with a gear; the gear is connected with a rack; the rack is arranged on the jacking cylinder; the turnover stand is provided with a clamping jaw connected with a cylinder; the cylinder can control the opening and closing of the clamping jaw; two beams of the turnover stand are provided with a guiding rod respectively; the lower part of the jacking cylinder is connected with a cylinder block; the cylinder block is arranged on the supporting seat; a pulley is arranged under the supporting seat and is arranged on a slide rail; the supporting seat is connected through a crossbar which is connected with a bottom cylinder; and two ends of the slide rail are provided with a buffer seat respectively. The mechanism has the advantages of low labor intensity, high work efficiency and capacity of improving body quality.

The invention relates to a method and a device for intensifying controlled laser shot peening, first of all, a fatigue analysis model is established in a fatigue analysis software, distribution of residual stress in the accessories is optimized in light of the expectant fatigue life value after the intensification to obtain the distribution of residual stress which meets the demand; the distribution of residual stress is imported into a structural mechanics CAE analysis software to obtain by optimization laser shock wave pressure acting on the surface of a sheet metal and the shot peening track; after than a computer control system automatically selects the pulse parameter and a light beam changing device while the laser shot peening; the laser emits a high energy short pulse laser beam to be converted into the high amplitude shock wave pressure acting on the surface of the accessories after being subjected to an optical changing device and an optical mask; a measurement feedback system is used to online check the distribution situation of the stress and strain on the surface layer of the accessories in the laser shot peening, the special computer software module is utilized to perform error analysis and parameter correction, ensuring to generate the expectant distribution of residual stress on the surface layer of the accessories to meet the intensification demand of the anti-fatigue performance.

The invention discloses an intelligent independent spraying robot for an orchard. The intelligent independent spraying robot comprises a central control module, a spraying module, a dispensing module, a wireless communication module, a locating module, a man-machine interaction module, an image processing module, a detection module, a driving module, a power supply module, an alarm module and a storage module. The intelligent independent spraying robot for the orchard conforms to the current orchard building standard, does not need artificial control, simultaneously sprays the fronts and backs of the leaves at the tops and bottoms of four fruit trees, is capable of locating and moving independently to finish the whole spraying process for the orchard, enables the working efficiency to be improved, enables the chemical use ratio to be improved, enables the labor force to be reduced and protects people from chemical harm.

A bricklaying machine includes machine bracket, brick hopper, brick transmission device, mortar hopper, mortar transmission device and control device. The bricklaying device is installed to the end of the brick and mortar transmission device. The outlet of brick hopper is connected to brick lifting device which is connected to a brick horizontal transmission device. Mortar hopper is connected to bricklaying device through pressure box and transmission pipe. At the end of the transmission pipe, it is installed with mortar paving nozzle and distribution nozzle. Bricklaying device is fixed on the bracket above brick horizontal transmission device with lifting device between the bracket and the main body.

A provided distribution line tour-inspection system based on GIS and GPS consists of a tour-inspection terminal and a background server, data is transmitted between the tour-inspection terminal and the background server through a front-end processor; the background server is provided with an tour-inspection task management module, a tour-inspection task query statistics module, an identification management module and a database module; and the tour-inspection terminal is provided with a GIS module, a GPS module, a tour-inspection image management module, a tour-inspection task operation module, a tour-inspection equipment query module, a defect information module and a scanning synchronization module. After a line patrol person arrives at a demanded inspection tour point, the tour-inspection terminal automatically records the geographical position information of the person and the current time. The line patrol person also can fill in inspection tour information on the tour-inspection terminal. Therefore, the working efficiency is improved while the cost is effectively reduced.

The invention relates to an intelligent microbial sample processing robot, and aims to solve the technical problems of low efficiency, high cost, high probability of germ infection of operation personnel and adverse effect caused by human factors and environmental factors when microbial inoculation is performed in an existing artificial scribing way. The intelligent microbial sample processing robot comprises a machine table, wherein the machine table is connected with a sample test tube automatic cover-removing upper cover, a carrying device, a sample test tube automatic oscillation device, a culture dish cover opening device, a culture dish pushing-out device, a culture dish clamping device, a scribing device, a test tube tray, a culture dish accommodating container, a culture dish recovery container, a barcode scanner and an infrared sterilization instrument. The intelligent microbial sample processing robot is widely applied to microbial inoculation, clinical, chemical, environment and other technical fields.

The invention discloses an abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk. An X axis transverse feed mechanism, a Y axis transverse feed mechanism and a Z axis longitudinal feed mechanism form a grinding head feed mechanism; an A axis deflection motor, an A axis deflection bracket, a B axis motor, a gear train bracket, a C axis motor, a C axis revolving bracket and the like form a position adjusting mechanism of the grinding head. The abrasive belt grinding device provided by the invention guarantees rigidity of a grinding head mechanism and a work piece clamping mechanism through rational distribution of the grinding head feeding, the position adjustment of the grinding head and the position and angle adjustment of the work piece and through combination of space in six degrees of freedom by a short transmission chain; a contact wheel and an abrasive belt can cut into a narrow gap between two blades of the blisk, so as to ensure the contact between the contact wheel and the work piece to be stable when the contact wheel rotates at a high speed; so that the abrasive belt grinding device can improve the work efficiency, and meanwhile, dimensional accuracy of complex cambered surface of the work piece in processing can be guaranteed, the quality of the molded surface is ensured, the rate of qualified products is improved, the labor intensity of workers is reduced and the management and production costs are lowered.

The invention discloses an all-in-one machine of a semiconductor device for testing, sorting, marking and braiding and a one-stop processing method. A scheme in the invention is as follows: the semiconductor device is transported to a device processing system arranged on each station to be processed by the all-in-one machine. The all-in-one machine comprises a machine body and each device processing system, wherein the machine body is provided with a main turret system and a laser marking turret system respectively with 16 working positions; each station of the main turret system is provided with a suction nozzle mechanism for picking, placing and transporting the device; the main turret system is also provided with a suction nozzle pressing mechanism; each station of the laser marking turret system is provided with a device transmission mechanism; and the suction nozzle mechanism and the device transmission mechanism successively transmit the semiconductor device to each device processing system to finish one-stop continuous processing. By the implementation of the invention, various functions such as testing, sorting, marking, braiding, outputting and the like which originally need to be finished by various equipment are finished on one equipment, thus saving cost and improving working efficiency.

The invention relates to an automatic grading device and application thereof for apple picking. The automatic grading device for apple picking comprises a mobile vehicle, a picking device, a grading device, a storage box and a sleeve, and the picking device is arranged above the mobile vehicle and used for picking fruits; the grading device is arranged on the top of a vehicle body and located below the picking device and used for conducting size grading on the picked fruits; the storage box is arranged in the vehicle body and used for containing the graded fruits; one end of the sleeve is connected to the picking device, the other end of the sleeve is connected to the grading device, and the picked fruits enter the grading device through the sleeve in an undamaged mode. The automatic grading device for apple picking is exquisite in conception, reasonable in structural design and convenient to use, the picking efficiency can be improved, real-time grading can be conducted, the subsequent operation procedures of conducting grading on the fruits again are omitted, and meanwhile on-site boxing can be conducted in the process of conducting grading on the fruits. The picking grading vehicle can be widely applied to multiple planting environments such as orchards and mountainous regions.

The invention provides a quick stereo positioning method for video monitoring. The automatic positioning and adjusting control method suitable for a video monitoring system comprises the following steps: setting a positioning target, calculating the camera focal length, calculating the deviation angle of the target and a CCD center, calculating the number of moving steps of a cradle head motor, calculating zoom magnification, adjusting zoom and adjusting real-time positioning of the target. The method can automatically calculate the offset of the target and the number of steps of a self attitude adjusting motor required to move according to the relative position of the target area in the whole CCD image area, after the zoom magnification of the a lens is adjusted as required, a user can adjust the image without continuously depending on the actions of eyes of and a mouse, and the actions can be continuously and automatically controlled in position, thereby greatly improving the working efficiency of the monitoring system, and also improving the convenience and rapidness of using the monitoring system in a narrow bandwidth network environment for a user side.

The invention reveals an electronic government office cooperation system based on cloud computing. The system comprises a plurality of transaction clients, official document transacting systems, an official document exchanging system, an official document directory center and an official document information disclosing system, wherein, the official document information disclosing system, the official document directory center, the official document exchanging system and the official document transacting systems are sequentially connected, the official document transacting systems are connected with a plurality of the transaction clients, the official document exchanging system is connected with all the official document transacting systems and functions as a platform for information exchange among the official document transacting systems, all the official document transacting systems cooperatively handle official documents through the official document exchanging system, and attribute data of official documents needing to be handled by official document transacting systems of a plurality of departments comprises departments which need to handle the official documents and handling sequence of the departments. The electronic government office cooperation system based on cloud computing brought forward in the invention enables working efficiency to be improved.

The invention relates to a cloth taking device for a sewing machine capable of taking and feeding cloth fully automatically. The cloth taking device comprises a horizontal guide rail, wherein the left-and-right sliding direction of the horizontal guide rail is X-direction, the vertical direction of the horizontal guide rail is Z-direction, and forward-backward direction of the horizontal guide rail is Y-direction; the cloth taking device can move in the X-direction along the horizontal guide rail under the driving of the power of a self driving system in whole and also can move in the Z-direction on the horizontal guide rail; a Y-direction linear module is arranged at the lower part of the cloth taking device; a rotating regulating mechanism is arranged at the lower part of the Y-direction linear module; a sucking disc fixing plate is arranged at the lower part of the rotating regulating mechanism; a sucking disc used for sucking the cloth and a pressure sensor are arranged on the sucking disc fixing plate; catching sucking power is provided by an air pump system. The invention provides an intelligent solution for feeding of the sewing machine, through the cloth taking device, the movement in the X-direction, the Y-direction and the Z-direction is realized, and the automatic cloth taking is realized.

The invention discloses an Internet-of-things-based intelligent management control system for agriculture and animal husbandry, which belongs to the technical field of management for the agriculture and the animal husbandry. The technical key points are that: the system comprises a terminal control module, a cloud server, a database unit group, a network module and a sensor module, wherein the terminal control module, the database unit group and the sensor module are connected with the cloud server by the network module. The Internet-of-things-based intelligent management control system for the agriculture and the animal husbandry is diverse and open, can realize intelligent identification, data acquisition, processing and management, and is used for intelligent management for the agriculture and the animal husbandry.

The invention discloses a relational database based generation method of J2EE codes, comprising the following steps: 1. object code template definition setting: defining an invariable code as a template and a variable code as a macro according to an existing frame; 2. external data acquisition: acquiring a relational database list structure parameter, database object annotation information, a structuralized query command, a code generation configuration parameter and an operating system parameter; 3. logic operation: obtaining the macro related to an object code through logic operation according to the acquired parameters; and 4. code generation: applying the macro to the code template to generate the object code of an MVC three-layer frame. The invention realizes an integral technical proposal to generate the J2EE codes on the basis of the relational database, guided by a two to eight principle of J2EE software development and according to a two to eight principle of the Barrett law that 80 percent of a total result is formed by 20 percent of total consumed time.

The invention discloses a logistics robot. The logistics robot comprises a removable base, an information acquisition device and a master controller, wherein the information acquisition device is suitable for acquiring image information and depth information of an object existing within a view field of the information acquisition device and/or is suitable for establishing a map of at least one zone by acquiring position information of an object existing in the at least one zone of a logistics place where a robot is located; correspondingly, the master controller is configured to receive information from the information acquisition device, plan a following path of a following target for the robot to follow, and/or plan a navigation path for navigating the robot to the position of a navigation target. According to needs, one or two of a following function and a navigation function can be realized by the logistics robot, and an obstacle avoiding function is also obtained; by utilizing thelogistics robot disclosed by the invention, related operation such as autonomous cargo handling can be carried out under the situation without manual intervention, the labor cost is saved, and the working efficiency is increased.

The invention discloses an efficient integrated carton packaging machine. The efficient integrated carton packaging machine is characterized by comprising a rack, and a carton conveying device, an upper bottom carton combining device, a lower bottom carton combining device, a damping packaging device and a carton gluing device are arranged on the rack; the carton conveying device is arranged in the length direction of the rack, the lower bottom carton combining device is arranged below the carton conveying device, and the damping packaging device is arranged above the lower bottom carton combining device and used for placing objects into a carton with the combined lower bottom, wherein bubble sheet damping packaging is carried out on the objects; and the damping packaging device, the upper bottom carton combining device and the carton gluing device are sequentially arranged in the conveying direction of the carton. The efficient integrated carton packaging machine is compact in structure, automatic leaf combining of the carton can be achieved, the bubble sheet damping packaging is carried out on the objects, the objects are automatically placed in the carton and automatically glued, the operation efficiency is high, the occupied area is small, the space utilization rate is high, and the cost of the packaging machine is reduced.

The invention discloses an automatic device for welding and detecting a lithium battery. The automatic device comprises a transfer system, a temporary storage system, a welding system and a detecting system, wherein the transfer system comprises a transfer stander, a transfer belt and a transfer groove, the temporary storage system comprises a temporary loading-unloading station and a temporary storage loading-unloading mechanical hand, the welding system comprises a welding loading-unloading mechanical hand, a first welding rotating device, a second welding rotating device, a welding head mechanical hand and a welding control box, and the detecting system comprises a detection loading mechanical hand, a loading workstation, a leakage detector, a short-circuit detector, a laser labeling device, an unloading workstation and a detection unloading mechanical hand. The automatic device is compact in structure, reasonable in layout and low in space cost; a battery product is loaded onto the welding system to be welded from the transfer belt, labeled by the detecting system and unloaded through the transfer belt, full automation in control is realized, the labor intensity of workers can be alleviated, and the product quality and production efficiency can be improved.

The invention relates to a suction head assembly used for a vacuum cleaner in which a cleaning pad is disposed on a front end of a removable mophead and a sprayer-head nozzle can slide back and forth. The suction head assembly comprises a mophead, the sprayer-head nozzle which is slidably disposed on the front end of the mophead, and a front-and-back sliding component which makes the sprayer-head nozzle slide back and forth on the mophead. The sprayer-head nozzle of the suction head assembly can move back and forth on the mophead, so that the cleaning pad can be taken out or inserted simply.

The invention relates to a carbon dioxide phase change coal seam fracturing device and a utilization method. A barrel is in threaded connection with a valve. The carbon dioxide phase change coal seam fracturing device is characterized in that the two ends of the barrel are in threaded connection with connectors with explosion venting holes, the connectors are provided with cable passing holes, and cable grooves for containing a cable are formed in one sides of the barrel and the two connectors. Due to the fact that the cable is placed in the cable grooves, or one pole of the cable is placed in the barrel, and the barrel is placed on the other pole of the cable, or the whole cable is placed in the barrel, and meanwhile the utilization method is provided, when conveyed into a coal seam drilled hole, the carbon dioxide phase change coal seam fracturing device can be rotated or directly pushed into the drilled hole through a drilling machine, and the situation that the cable is broken during external connecting is avoided; no other special equipment is needed, the depth of the part conveyed in the drilled hole is not limited, and high work efficiency and reliability are achieved; and a screw structure is adopted and directly screwed in a coal body, drilling links are reduced, the screw structure is beneficial to powder discharge and meanwhile is closely embedded with the coal body, gas acting force is improved, the fly stop problem is thoroughly solved, and high reliability is achieved.