832results about How to "Save time and effort" patented technology

It is an object of the present invention to provide a highly reliable optical sensor and a production process of the same, the optical sensor being excellent in the characteristic of blocking infrared radiation and capable of being manufactured at a low cost without an increase in the number of steps carried out in the assembly of electronic apparatus. The present invention includes: a substrate 1 having an electrode 3; a photodetector 2 electrically connected to the electrode 3; and a light-transmissive resin encapsulating portion 11 for encapsulating the photodetector 2 on the substrate 1, the optical sensor further including an infrared-blocking layer either inside the light-transmissive resin encapsulating portion 11 or on an outer surface of the light-transmissive resin encapsulating portion 11 for blocking infrared radiation from the outside from reaching the photodetector.

The invention discloses a self-cleaning device for an air conditioner filter screen, which is arranged on filter screen brackets at an air passage spiral casing air inlet of a cabinet air conditioner and is arranged outside the filter screen, an upper bracket and a lower bracket are provided with filter screen guide rails with slots, the filter screen is fixed on the filter screen brackets through the slots of the guide rails, a filter screen cleaning device comprises a cleaning component with a brush, a drive motor fixed on the cleaning component, a driving mechanism connected with the drive motor, a rack set arranged at the left side part and the right side part of the filter screen and a dust box arranged under the filter screen and used for collecting dust; a dust exchange device is arranged between the dust box and the filter screen; the drive motor connected with the driving mechanism drives the cleaning component to slide up and down along the rack set adhering to the filter screen in order to enable the brush to clean dust down; the cleaning component slides down to pass through the dust exchange device and cleans the dust down in the dust exchange device, and then the dust exchange device pours the dust to the dust box. The self-cleaning device for air conditioner filter screen saves time and labor and can be cleaned at any time without disassembling.

The invention discloses an electric automobile power battery quick-change mechanism which has simple structure, time-saving and labor-saving operations and use and convenient and quick battery change. The technical problems of time consumption, labor consumption, troublesome procedures, low efficiency, heavy workload and the like during battery removal, installation and change in the prior art is solved. The mechanism comprises a battery installing frame fixed on an automobile chassis and a battery pack arranged on the battery installing frame. One side of the battery installing frame is pivoted on the automobile chassis through a horizontal connecting shaft, the bottom of the battery installing frame is provided with a lifting mechanism which can drive the battery installing frame to rotate around the horizontal connecting shaft, and the other side of the battery installing frame opposite to the horizontal connecting shaft is provided with a battery pack inlet. The battery pack passing through the battery pack inlet is loaded to and unloaded from the battery installing frame through a sliding mechanism between a bottom board of the battery installing frame and the bottom surface of the battery pack, and a sliding stop mechanism capable of stopping the sliding of the battery pack is arranged in the battery installing frame corresponding to the battery pack inlet.

The invention discloses a real-time auxiliary system for a controllable capsule endoscope operation on the basis of deep learning, and an operation method. The system comprises at least one client side and a service side, wherein at least one client side is connected with a capsule endoscope, is used for obtaining a capsule endoscope image collected by a current capsule endoscope and uploading thecapsule endoscope image to the service side through a network, and is also used for receiving and displaying an analysis result fed back from the display service side; the service side carries out capsule endoscope image processing according to the capsule endoscope image sent from the client side, judges positions and position characteristics corresponding to the capsule endoscope image in realtime, and feeds back the analysis result to the client side; and the service side comprises a sample database, a convolutional neural network model and a web service module. By use of the system, theimage collected by the controllable capsule endoscope is subjected to blind area monitoring and cancer focus identification and is displayed on the client side, an operation physician is assisted in checking the controllable capsule endoscope, detection accuracy and effectiveness is improved, and a missed diagnosis probability of occurrence is lowered.

A system and method are disclosed for providing geocoded web content to a user based on a specific geographic location specified by the user. A determination module receives a geographic location from the user and determines latitude and longitude coordinates associated with the geographic location from a geographic information database. The determination module further determines a geographic boundary associated with the latitude and longitude coordinates based at least in part on an area of interest surrounding the geographic location. A web content search module determines web content comprising substance associated with a location within the geographic boundary. A front end interface transmits the determined web content for display in an order based at least in part on distance from the location associated with the web content to the geographic location.

A machine and computer-implemented process that assists a user in authoring any written work in that it automatically searches multiple sources simultaneously on the world wide web or other designated database in order to provide automatic citation and / or information suggestions to an author's written work. The invention parses and sorts both user entered information and returned search results to create databases which assist in suggesting the most relevant information and citation suggestions to the user. The machine and computer-implemented process also provide automatic formatting, in a user pre-selected style, of both the written work and the citations which are automatically generated and suggested to the author based upon user defined presets and relevancy criteria. The invention described assists a user in finding information and the next step in a variety of processes.

This invention provides an Information Content Processing Device comprising a system of hardware and software, together with a method, for personalizing prerecorded text, pictures, video, and / or audio media with unfinished segments. The prerecorded media is personalized with personal content media to produce a final multimedia production in digital format for storage on a storage device. Because of the multitude of possible file formats associated with a multimedia production, an Expert Media Facility communication link exists to assist the user in its creation.

The invention discloses a melon and fruit picking device and a picking method thereof, which relate to the technical field of agricultural equipment. The melon and fruit picking device comprises a clamping device, a cutting device and a control device, wherein the clamping device comprises a step motor, a driven gear, a left support swinging rod, a left finger, a driving gear, a right support swinging rod, a right finger and supporting blocks, the supporting blocks are arranged under the left finger and the right finger, the driving gear and the step motor are connected, the driving gear and the driven gear are connected through a gear pair, the left finger is arranged at the end parts of the left support swinging rod and the driven gear, the right finger is arranged at the end parts of the right support swinging rod and the driving gear, the cutting device comprises a cutter, a swinging air cylinder and an electromagnetic reversing valve, the cutter is arranged on an output shaft of the swinging air cylinder, the electromagnetic reversing valve is arranged on the swinging air cylinder, the swinging air cylinder is arranged on a cutter frame, and the cutter frame is arranged on a back seat vertically and fixedly arranged on a base. The melon and fruit picking device and the method can be used for automatically picking melons and fruits, and a large amount of time and labor canbe saved for laborers.

A network system includes a reconfigurable network and a network management system. The network management system can represent the network in the form of a network image. Network image objects, corresponding to network objects, can be selected as copy sources and paste targets. A copy-and-paste operation modifies the network image to indicate a potential modification of the actual network in which the configuration of the network object corresponding to the selected copy source object is applied to the network object corresponding to the selected image object. In addition, the copy-and-paste operation can automatically represent a common connection of a source object input and a target object input to a common data source. Furthermore, the copy-and-paste operation can automatically connect outputsof source and target objects to a comparison function so that the implementation of the copy-and-paste operation on the actual network can be validated.

The technology comprises a CD / DVD-ROM controller for storing in advance the map information to show the names of roads and facilities located in respective areas, a current position detector for detecting the current position of the vehicle, a position specification section for specifying any position on the map, a retrieval section for retrieving facilities of a plurality of genres around a specified position based on the map information, an extraction section for extracting retrieved facilities in increasing order of distance to the specified position, a display 10 for displaying extracted facilities on the map based on the map information, a route setting section 42 for calculating / setting the route from the current position to a destination based on the map information by selecting any one of the displayed facilities as the destination, and a guidance section for guiding the vehicle along the specified route.

The invention provides a tensioner, belonging to mechanical technical field. The invention solves the problems of the existing tensioner of complex structure and inconvenient application, etc. The tensioner comprises a body where a rotatable reel is arranged; the rotatable reel is provided with a chain; the external end of the chain is provided with a pothook; the body is fixedly connected with another pothook; the rotatable real is also provided with a worm wheel and a worm which can be rotated; the worm and the worm wheel are engaged and the external end of the worm extends out of the body. The tensioner has small occupying space and is convenient for carrying and storage. Owning to the transmission of the worm wheel and the worm, the reel is rotated and the goods are bound; therefore, the invention has simple structure. Furthermore, owning to a clutch mechanism arranged between the worm rod and the body, the worm wheel and the worm are engaged by the clutch mechanism when the goods are bound, thus ensuring simple and convenient application and saving time and effort.

The invention relates to an automatic packaging method and device, a storage medium and computer equipment. The method comprises the steps of receiving a request for obtaining a packaging page integrated in a continuous integration system sent from a browser, to enable the browser to obtain the packaging page; obtaining a packaging instruction from the packaging page; obtaining a source code to be packaged based on the packaging instruction; and packaging the source code for generation of an installation package based on the packaging instruction and uploading the installation package to a target server. According to the method, the packaging function is integrated in the continuous integration system, and the packaging page integrated in the continuous integration system can be accessed via the browser for packaging. The computer in the invention finishes packaging only by the browser without installation of a special packaging tool; and during packaging, packaging of the source code is realized simply by inputting the packaging instruction according to packaging requirements on the packaging page, without contact of the source code and developers for packaging, so as to save time and energy of the developers.

The invention belongs to the technical field of medical image processing and computer vision, and particularly relates to an MRI image liver fibrosis automatic grading method based on imaging omics analysis. The invention particularly relates to an imaging omics analysis method for grading magnetic resonance dynamic enhanced imaging liver fibrosis of a Gd-EOB-DTPA contrast agent. The method comprises the following steps: establishing an initial data set by taking a Gd-EOB-DTPA dynamic enhanced image of a hepatitis B patient as source data; registering the initial data; carrying out automatic liver segmentation by utilizing transfer learning to obtain an ROI; performing image omics analysis: for the ROI, carrying out image omics feature extraction and feature screening on a plurality of DCEsequences to obtain a feature subset of important features, and carrying out training of a plurality of classifiers to select an optimal classifier; and finally, predicting and evaluating the classification performance in an external test set by using the classifier. According to the method, the accuracy and reliability of automatic liver fibrosis grading based on DCE images can be effectively improved, and meanwhile, the time and energy of clinicians are saved to a great extent.

The embodiment of the invention discloses a code generating method and device for migration of data in an isomerous database, and relates to the technical field of big data. The workload of code development during data migration can be reduced, and the labor cost can be reduced. The method comprises the steps that a script file and mapping information are acquired; a data migration template is processed according to the mapping information, and a data read-write task is generated, wherein the data read-write task is used for reading the data to be migrated from the source database and writingthe data to be migrated into a target database; the data migration template is processed according to the script file and the mapping information, and a data conversion task is generated, wherein thedata conversion task is used for converting the data form of the data to be migrated into a target database table from a source database table; the data read-write task and the data conversion task are run, and the data to be migrated is migrated into the target database from the source database. The method and device are suitable for migration of the data in the isomerous database.

The invention provides a medical-use integrated device for rapid cleaning and disinfection of test tubes, and relates to the field of medical-use cleaning devices. The medical-use integrated device for rapid cleaning and disinfection of test tubes includes a tank body (1) and a main control box (4). The device is characterized in that the upper portion of the tank body is provided with an upper-portion start device (2), the upper-portion start device (2) is connected with the main control box (4) through a cable (3), the inside of the upper-portion start device (2) is provided with a rotary telescopic motor B (16), the lower end of a telescopic rod of the rotary telescopic motor B (16) is connected with a cross rod A (19), one side end of the cross rod A (19) is connected with a drying device (17), and the drying device (17) is electrically connected with the upper-portion start device (2). Through the medical-use integrated device, the to-be-cleaned tubes can be placed centrally, rapid brushing, flushing, wiping, drying and disinfection are integrally completed, the cleaning efficiency of the test tubes is greatly improved, the structure is reasonable, and the use process saves time and labor.

The invention discloses an actuating tower type pumping unit of a low-velocity big-torque special-shaped motor, which is characterized by comprising a tower cylinder fixed on a cement basement, a digital intelligent control cabinet, a special-shaped motor on the top platform of the tower cylinder, a load hoisting belt wound round the roller of the special-shaped motor, and a balance box connected with the load hoisting belt. One end of the load hoisting belt is fixedly provided with a hanging rope or a hanging unit, while the other end of the load hoisting belt is connected with the balance box. The load hoisting belt is driven by the special-shaped motor to transmit torque forwardly and reversely. The rotating speed, the steering and the torque of the special-shaped motor are regulated and controlled by the digital intelligent control cabinet. The forward and reverse rotation of the special-shaped motor is converted to the reciprocating linear motion of a sucker rod so as to realize the oil pumping cycle of the pumping unit. The pumping unit is simple in structure and the intelligent controller thereof can be controlled automatically, manually or remotely. Thus, the perfect combination of high intelligence and fool-style operation is realized. The pumping unit is only provided with two lubricating points and can be operated for years without being lubricated. No easily damaged part is adopted by the whole pumping unit, while the pumping unit is time-saving and labor-saving in transportation, installation, use and maintenance.

The invention discloses a method and a system for analyzing personalized information and audio data for mini-mental state examination. The method includes acquiring the personalized information of testees, allowing the testees to complete questions specified by the MMSE (mini-mental state examination), simultaneously recording speaking audio frequencies, extracting acoustic characteristics of the voice audio frequencies for pathological characteristics and representing the acoustic characteristics by the aid of high-order statistics; reducing redundancy of the characteristics by the aid of characteristic selection processes; fusing the acoustic characteristics with reduced dimensions and the personalized information of the testees with one another to obtain personalized characteristics; building pathological models of speaking conditions and mini-mental state examination cognition relations of the testees by the aid of the acquired data and analyzing the personalized information and the audio data by the aid of cross validation processes. The method and the system have the advantages that optional intrusive therapy can be omitted, physical states of the testees can be predicted only by means of analyzing relations between the acquired data and the pathological models, accordingly, the examination time and money can be saved, suffering experienced by the testees in examination procedures can be relieved, and influence of subjective judgment of doctors on results can be reduced.

The invention discloses a plug pin positioning and locking device which comprises a base, a plug pin, a handle, a spring and a positioning key; a base body is provided with a base hole which runs through front and back; the plug pin is in sliding fit with the base hole; the front end of the plug pin can pass in and out of a locked device elastically; the rear end of the plug pin is provided with an axial counter bore; the center of the rear end of the axial counter bore is provided with a handle groove which runs through up and down; a positioning key is of a sheet shape, and is positioned between the spring and the handle; the front end of the positioning key is embedded on the rear end of the base; the spring is positioned in the axial counter bore, and the rear end of the spring butts against the front end of the positioning key; the front end of the handle is embedded in the handle groove at the rear end of the plug pin, butts against the rear end of the positioning key, and is articulated with the rear end of the plug pin through a horizontal pin. The plug pin positioning and locking device provided by the invention is compact in structure, is simple in process, is convenient and rapid to operate, is low in cost, is small in occupied space, is safe and reliable, is wide in applicability, is time-saving and labor-saving in use, and is rapid in positioning and locking capability.

The invention discloses a solid door machining paint spraying device with an automatic overturning function. The solid door machining paint spraying device with the automatic overturning function comprises a base. The upper end of the base is provided with a paint spraying platform. The bottom of the paint spraying platform is fixedly connected with a sliding block. The surface of the base is provided with a first sliding groove which is used in cooperation with the sliding block. The first sliding groove is internally and rotationally connected with a first threaded rod. The side wall of oneend of the first sliding groove is fixedly provided with a first motor. The upper end of the paint spraying platform is further provided with an overturning mechanism. The upper end of the base is symmetrically, vertically and fixedly connected with two supporting columns. The upper ends of the two supporting columns are jointly connected with a frame body in a welded manner. The bottom of the frame body is provided with an installation groove. The solid door machining paint spraying device can automatically overturn a solid door in the paint spraying process, the time and vigor are saved formanual overturning, operation is more convenient, and the machining efficiency is higher; and paint mist generated during paint spraying of a paint sprayer can be adsorbed and removed, the adsorptioncleaning range is larger, and therefore the cleaning effect is better, the situation that the paint mist hurts workers physically can be prevented, and the solid door machining paint spraying device is more environmentally friendly.

The invention discloses a garden agricultural spraying vehicle with a rapid mixing device. The garden agricultural spraying vehicle comprises a bottom plate. An electric push rod is fixedly connectedwith the upper surface of the bottom plate. The top end of the electric push rod is fixedly connected with the outer surface of a water pipe. The left end of the water pipe is communicated with the right side face of a spraying nozzle. The right end of the water pipe is communicated with a water outlet of a first water pump through a first hose. The garden agricultural spraying vehicle with the rapid mixing device is provided with a first tank body, a second tank body, a second water pump, a second motor, a rotating shaft, a bearing, a first motor, a gear, a rack rod and a control panel, so that when pesticides or fertilizer needs to be sprayed on crops, different types of pesticides or fertilizer is poured into the first tank body and the second tank body respectively, the second motor iscontrolled to make a stirring blade to stir the different types of pesticides or fertilizer in a shell, a farmer does not need to stir the pesticides or fertilizer first and then carry the stirred pesticides or fertilizer onto the spraying vehicle, and the time and labor of the farmer are saved.

The invention discloses a device for testing the rigidity of a plate spring in a high-temperature environment. The current testing method is poor in testing precision, cockamamie in process and poor in universality as the current testing method is carried out after a spiral spring high-temperature testing device is transformed according to the structure and the shape of the plate spring. The device comprises a clamping device used for clamping the plate spring, a force testing device used for testing plate spring bearing loads, a lifting device used for regulating the position of the force testing device, a deflection measuring device used for measuring the deformation amount of the plate spring, a regulating device used for regulating the positions of stress action points of the plate spring, and an electromagnetic induction heating device used for stimulating the working temperature of the plate spring. With the adoption of the device for testing the rigidity of the plate spring in the high-temperature environment, the continuous measurement on different deflections and different stress action points can be realized; and the device is convenient to operate and reliable in test.

The invention discloses a computer motherboard fixing frame convenient to use. The computer motherboard fixing frame comprises a motherboard fixing frame, wherein both the top and the bottom of the left side of the inner cavity of the motherboard fixing frame are fixedly connected with first spring pipes, the left side of the inner cavity of each first spring pipe is fixedly connected with a spring, the right end of each spring is fixedly connected with a first movable rod, and the right side of each first movable rod penetrates to the exterior of each spring and is fixedly connected with a movable plate. By virtue of cooperative use of the first spring pipes, the springs, the first movable rods, the movable plate, motherboard clamping blocks, motherboard placing grooves, a pull ring, a pull rope, a movable groove, a rotating drum, a rotating rod, second spring pipes, tension springs, pull rods, second movable rods and positioning pressure plates, the problem that the existing computermotherboard fixing frame is not convenient to use is solved. The computer motherboard fixing frame convenient to use has the advantage of being convenient to use, can be used for mounting motherboards with different sizes, has no need of mounting tools, saves time and labor during mounting, and brings many conveniences for users.

The embodiment of the invention discloses a method and a device for displaying a progress bar, and relates to the technical field of a mobile terminal. The condition that a pointer on the progress bar is positioned at the edge of a screen, so the click success cannot be easily reached can be reduced. The time and the effort of users are saved, and in addition, the user experience degree is improved. The method provided by the invention comprises the following steps that a route table is read, and the route table comprises track information of at least one path; the track information of the route is obtained from the route table, in addition, a progress line is drawn on the screen on the mobile terminal according to the track information of the route, and in addition, the pointer is loaded on the progress line; after the mobile terminal starts to play multimedia files, the pointer is moved on the progress line according to the playing progress of the multimedia files. The method and the device provided by the invention are suitable for being used for displaying the playing progress in more diversified modes.

The embodiment of the invention provides a video processing method and device, and a terminal. The method comprises the steps of obtaining head postures of to-be-processed objects according to head portraits of the to-be-processed objects in a video; selecting replacement head portraits of which head postures are consistent with those of the to-be-processed objects from a head portrait library; and replacing the head portraits of the to-be-processed objects in the frame images of the video by the replacement head portraits. According to the embodiment of the method, the device and the terminal, the head portraits of the to-be-processed objects in multiple frame images of the video can be automatically replaced by the replacement head portraits of which head postures are consistent with those of the to-be-processed objects; a user can replace the head portraits in the multiple frame images in batches through few operations; in order to improve the image harmonious degree of the replacement head portraits in the frame images after the head portraits are replaced, the head portraits of the to-be-processed objects can be replaced by the replacement head portraits of which head postures are consistent with those of the to-be-processed objects; the head portrait replacement efficiency is improved; the time and vigor of the user are reduced; and the watching quality of the video images is ensured.

The invention discloses a purifier supporting device convenient to move. The purifier supporting device convenient to move comprises a bottom plate. The left side of the lower surface of the bottom plate is fixedly connected with a first fixing plate. The right side face of the first fixing plate is provided with a first sliding groove. The first sliding groove is internally connected with a firstsliding block in a sliding manner. The right side of the lower surface of the bottom plate is fixedly connected with a second fixing plate. The left side face of the second fixing plate is provided with a second sliding groove. The second sliding groove is internally connected with a second sliding block in a sliding manner. According to the purifier supporting device convenient to move, due to the fact that a first motor is arranged, an output shaft of the first motor forwards rotates to drive a threaded rod to rotate, the threaded rod drives a nut to descend, the descending of the nut drives a movable plate to descend, the movable plate drives universal wheels to descend, when the universal wheels descend to make contact with the ground, people can directly push a handle to move the bottom plate, a purifier can be directly driven to move, time and labor are saved for people, and convenience is brought to people when people use the purifier.

The invention discloses a power cable insulating layer finishing device convenient to connect. The device comprises two first clamping blocks, wherein a second clamping block is hinged to one side ofthe lower end of each first clamping block, a locking device is arranged on one side of the first clamping block and one side of the second clamping block, two mutual parallel fourth through holes areformed in one side of one first clamping block, a clamping device is arranged on one side of the first clamping block, a guiding rod is connected into each of the two fourth through holes in a slidable sleeving manner, one end of one guiding rod and one end of the other guiding rod are jointly fixed on one side of the other first clamping block, a screw is fixed on one side of a second clamping plate, a second threaded sleeve is fixed on one side of the other second clamping plate, and a first threaded sleeve is connected with the second threaded sleeve via an internal thread in a sleeving manner. According to the device provided by the invention, the two ends of the power cable are fixed, so that the insulating layer of the cable can be conveniently peeled, the distance between wires attwo ends can also be adjusted, the finishing of the cable is facilitated, one staff can complete the finishing of the cable, and thus the device is reduced in manpower investment, saving in time and labor and convenient to use.

The invention provides a similar Chinese character classification method combining stroke codes with Chinese character dot matrixes. The method comprises the steps of collecting statistics on corresponding stroke codes of Chinese characters, and classifying the Chinese characters based on the occurrence frequency of stroke structures to generate a data table, wherein each stroke component corresponds to a Chinese character set including the component; then screening the sets to filter the sets having shorter and longer stroke components, and adding the sets having longer stroke components to a similar Chinese character database; further processing the filtered Chinese character sets by adopting a Chinese character dot matrix comparison method, comparing the dot matrixes of Chinese characters in the same Chinese character set to filter the Chinese characters having low similarity, and adding the processed Chinese character sets to the similar Chinese character database, thus obtaining a similar Chinese character database including most Chinese characters, wherein when similar Chinese characters of one Chinese character are inquired, the similar Chinese characters can be obtained by inquiring the table of the Chinese character. The method improves the similar Chinese character classification efficiency, reduces the time for classification, and obtains relatively accurate similar Chinese character data.

The invention discloses a method for submitting a deep learning training task. The method comprises the following steps: displaying the type and quantity of currently available resources of a computergroup in a computing resource view of a training interface; and analyzing the submitted deep learning training task by adopting a task analysis module, and allocating resources of the computer groupto the analyzed deep learning training task according to the training specification selected by the algorithm developer. By adopting the task analysis module to analyze the deep learning training taskand allocate the resources of the computer group, the time and energy consumed by algorithm developers to configure and monitor the training task can be reduced, and the difficulty of configuring andmonitoring the training task is reduced. The invention further discloses a corresponding device for submitting the deep learning training task.

The invention relates to a cutting device, in particular to a fire extinguishing pipe cutting device for firefighting. The fire extinguishing pipe cutting device for firefighting aims at achieving thetechnical effects that a fire extinguishing pipe does not need to be manually cut, time and labor are saved and length and pipe orifice cutting of the fire extinguishing pipe is uniform. According tothe technical scheme, the fire extinguishing pipe cutting device for firefighting comprises a bottom plate, a left support, a top plate, supporting rods, a placing table, a first supporting rod, a rotating shaft and the like; and the left support is fixedly connected to the left portion of the upper side of the bottom plate, the top plate is fixedly connected to the upper portion of the right side of the left support, the two supporting rods are fixedly connected to the left portion of the upper side of the bottom plate, the two supporting rods are arranged left and right, and the supportingrods are both located on the right of the left support. The effects that the fire extinguishing pipe does not need to be manually cut, time and labor are saved and length and pipe orifice cutting of the fire extinguishing pipe is uniform are achieved, the position of the fire extinguishing pipe can be better fixed through the arrangement of a third sliding rail, a third sliding block, a buffer plate and a fourth spring, and cutting of the fire extinguishing pipe is more uniform.