118results about How to "Short operating time" patented technology

The utility model discloses a photovoltaic module glass feeding device. The feeding station is arranged on one side of the rack and used for jointly placing photovoltaic module glass and pallets, the conveying line is used for conveying the photovoltaic module glass, the partition paper placing position is arranged on the outer side of the feeding station, and the pallet placing station is arranged on the inner side of the feeding station and used for stacking the pallets in a concentrated mode. The first carrying mechanism is arranged above the feeding station and the pallet placing station and is used for carrying pallets; the second carrying mechanism is arranged above the feeding station and the partition paper placing station and is used for carrying glass partition paper; and the two manipulators are arranged on two sides of the conveying line and are used for carrying photovoltaic module glass. The problem that the production takt of a production line is affected due to the fact that time for manually taking the pallets for multiple times is long is solved, the pallets can be automatically and intensively placed, the operation process of intensively placing the pallets is simple, the operation time is short, manpower is saved, and the production efficiency of the production line is improved.

According to the laser signal coupling misalignment detection and alignment adjustment method, coupling alignment detection is realized through laser alignment, a spinor factor is introduced based on a perturbation method to establish a coupling alignment calculation analysis and adjustment model, and coupling misalignment measurement and alignment are performed; coupling misalignment faults are classified into parallel misalignment, angle misalignment and comprehensive misalignment, and features of the coupling misalignment faults are identified through a frequency spectrum mechanism, motion and dynamics; detection of coupling centering is realized through laser centering, and non-centering measurement and alignment of the coupling are realized by introducing a spinor factor based on a perturbation method, so that axial leads of a unit meet coaxial requirements, undue mechanical stress of the coupling is eliminated, a reasonable centering state of the coupling during operation is guaranteed, and the coupling accuracy is improved. Therefore, normal, stable and long-term continuous operation of the laser machine is guaranteed. And centering dynamic data display is achieved, the operation time is shorter, the precision is higher, and the adaptability is higher.

The invention relates to the technical field of electric quantity metering, and discloses an electric quantity metering system which comprises a box body and an electric quantity metering device, a box cover is hinged to the position, close to the front face, of the top of the box body through a hinge, and a fixing mechanism is arranged at the top of the box body. A box cover is opened, an electric quantity metering device is placed at the bottom of the inner wall of a box body, then a screw rod is rotated, a second hinge frame moves upwards, one end of a first hinge frame is driven to move downwards, the other end of the first hinge frame moves towards the left side and the right side in opposite directions, and the two first hinge frames are further driven to move towards the surfaces of first guide rods in opposite directions; the second hinge rod drives a sliding block to move downwards, so that a pressing plate and a heat dissipation gasket are driven to move downwards, the top of the electric quantity metering device is pressed, the electric quantity metering device is compacted and fixed, the fixing mode is convenient, the operation time is short, and the practicability is high. And the heat dissipation gasket can effectively carry out heat dissipation treatment on the electric quantity metering device.

According to the high-precision tension control system for the solar cell backboard coating line, high-precision tension control is achieved based on an SINAMICS 120 servo dragging system, a Siemens S7-300 series PLC is adopted as a control core, a PROFIBUS-DP field bus communication network is established, CPU317-2DP serves as a master station, a field remote IO module and a CU320 driving unit serve as slave stations, and the high-precision tension control system for the solar cell backboard coating line achieves high-precision tension control. An industrial personal computer is used as a man-machine interaction medium, normal operation of the whole production line is achieved by setting tension and production speed, tension control is performed in a mode of combining a floating roller and a high-sensitivity tension sensor, a high-precision servo system S120 is used for dragging, high-precision control of tension is achieved, and actual operation of the system shows that the production efficiency is greatly improved. Compared with a traditional tension control system, the system has the advantages of being stable in tension control, high in precision, stable in production speed, friendly in man-machine, capable of achieving non-stop roll changing and capable of completely meeting the requirement for continuous production of the back plate.

The invention relates to the technical field of water quality detection and evaluation, and provides an evaluation method of a sewage treatment process, which can trace the degradation conditions of different sewage treatment processes on different molecular weight components of organic pollutants by combining an ultrafiltration technology and a three-dimensional fluorescence spectrometry, and can quickly evaluate refractory soluble organic matters in sewage at the same time. In the evaluation process, the separation operation of organic matters is simplified through ultrafiltration, and the cost is reduced; the degradation conditions of different molecular weight components of organic pollutants by different sewage treatment processes can be traced by combining specific ultrafiltration conditions with three-dimensional fluorescence spectrum analysis and a specific calculation formula for the content of the refractory soluble organic matters specified by the invention, and the refractory soluble organic matters in the sewage can be rapidly evaluated.

The invention discloses a fiber ring repairing device. The fiber ring repairing device comprises a degradable elastic restraining bag and filler filled in the elastic restraining bag. Space in the elastic constraint bag comprises a positioning space, a supporting space and a limiting space, and the filler comprises first filler and second filler. The first filler is located in the positioning space, fixed in shape to form a positioning part, located on the outer side of the fiber ring crevasse and used for conveying and positioning. Corresponding parts of the supporting space and the limiting space in the elastic constraint bag can be folded under the non-filling condition and then enter the fiber ring crevasse, and then the second filling part flows into the supporting space and the limiting space and forms a supporting part and a limiting part after being solidified. And the part, corresponding to the supporting space, in the elastic constraint bag can be elastically deformed under the filling of the second filler so as to adapt to the shape of the crevasse of the fiber ring. The limiting part is located on the inner side of the fibrous ring crevasse, provided with a limiting face abutting against the inner side wall of the periphery of the fibrous ring crevasse and used for preventing the fibrous ring repairing device from being extruded out of the fibrous ring crevasse by the nucleus pulposus.

The utility model relates to a circumcision anastomat which comprises a glans penis cover. The glans penis cover comprises a cover body, and an opening is formed in the middle of the front end of the cover body. An inwards-concave notch is formed in the front end of the cover body in the circumferential direction, an inner ring is assembled on the inwards-concave notch, an outer ring matched with the inner ring is assembled on the outer side of the inner ring, the outer ring penetrates through the cover body and is connected with the inner ring, multi-pole magnetic fields are arranged in ring bodies of the inner ring and the outer ring, and the inner ring and the outer ring can be axially attached to each other, attracted to each other and clamped with each other; the prepuce is clamped between the inner ring and the outer ring, meanwhile, the inner diameter of the inner ring is smaller than that of the outer ring, the prepuce is clamped through the difference between the inner diameters of the inner ring and the outer ring, a mechanical compression effect is generated on tissue through mutual attraction force between the magnets, and therefore the squeezed tissue is subjected to dry necrosis due to ischemia; adjacent tissues on the outer edge of the squeezing area are layered and healed to form an anastomotic stoma, and local swelling is light. And postoperative scar formation is reduced.

The invention discloses a method for preparing rice bran powder by using a sectional type steam explosion technology, which comprises the following steps: (1) removing impurities from fresh rice bran, immediately spraying a color fixative on the rice bran, uniformly stirring, adding into a steam explosion machine, and carrying out two-section type steam explosion treatment to obtain wet rice bran powder; and (2) drying the wet rice bran powder obtained in the step (1) until the water content is below 10% to obtain the rice bran powder, the steam explosion treatment conditions in the step (1) are as follows: the first section is 0.6 MPalt; the steam pressure is smaller than or equal to 0.8 MPa, and the pressure maintaining time is 1-2 min; in the second stage, the steam pressure is larger than or equal to 0.3 MPa and smaller than or equal to 0.6 MPa, the heat preservation range is 135-160 DEG C, and the pressure maintaining time is 2-5 min. Compared with the prior art, the preparation method has the advantages that the stability of the rice bran can be effectively improved, the taste, sensory characteristics and digestibility of the rice bran are improved, the operation time is short, and the energy consumption is low.

The utility model discloses a disposable radio frequency plasma scalpel head for narrow window surgery. The disposable radio frequency plasma scalpel head comprises a handle, a scalpel head body, a water injection pipe and a power line, wherein the scalpel head body, the water injection pipe and the power line are respectively connected with the handle; the tool bit body comprises a tool body installed on the handle, an electrode base installed at the front end of the tool body, an electrode body installed on the electrode base and an electrode insulating sleeve arranged on the electrode body in a sleeving mode. The power line is electrically connected with the electrode body and the knife body. When the front end of the electrode body extends outwards, the thickness is gradually reduced to form a cutting edge shape, and the tail end of the electrode body is completely attached to the end face of the matched position of the electrode base. The electrode body is used for stripping soft tissues and performing excision ablation treatment on minimal lesions in narrow positions, so that the problems of weak cutting energy, long operation time, poor hemostatic effect, limited working electrode angle and incapability of realizing fine cutting in the field of the conventional narrow window surgical knife head are solved.

The utility model discloses a connector structure with a locking structure. The connector structure comprises a seat body and an insertion part arranged at the lower end of the seat body, a lock catch piece is formed on the base body, one end of the lock catch piece is fixedly matched with the base body, the other end of the lock catch piece extends to the position of the inserting portion, and elastic matching between the lock catch piece and the base body is formed. The lock catch sheet is in clearance fit with the insertion part to form an installation lock groove for inserting the circuit board piece; the gap height of the mounting lock groove is smaller than the thickness of the circuit board piece. The locking piece and the slide fastener locking block are directly arranged on the seat body of the connector, so that the connector is locked and matched with the circuit board piece through the self-locking structure; the locking device can be suitable for being locked by hands or tools in a small-space environment, the operation and installation steps are simple, and the operation time is short.

The invention belongs to the technical field of analysis and detection, and relates to a method for detecting the gelatinization degree of starch. The invention relates to a starch gelatinization degree detection method, which comprises: 1) adding water to starch, and heating to obtain gelatinized starch; (2) transferring the gelatinized starch obtained in the step (1), adding a solvent to a constant volume, and preparing a series of gelatinized starch standard solutions with different concentrations; (3) respectively measuring response values of the series of standard solutions of the gelatinized starch with different concentrations obtained in the step (2) by adopting an HPLC-CAD detector, and drawing standard curves of the gelatinized starch with different concentrations and the corresponding response values; and 4) substituting the response value of the gelatinized starch to be detected into the standard curve obtained in the step 3) to obtain the concentration of the gelatinized starch to be detected, and then calculating the gelatinization degree of the gelatinized starch to be detected. According to the method, rapid determination can be achieved, the analysis method is about one minute, the starch gelatinization degree can be rapidly determined through a CAD detector (a corresponding standard curve is established), and therefore large-flux rapid sample testing is achieved.

The utility model relates to relay assembling equipment, which comprises a rack, a first conveying channel, a second conveying channel, a third conveying channel and a fourth conveying channel, the rack is provided with a positioning groove, the positioning groove is used for fixing a frame of a push rod assembly of a relay, the rack further defines the first conveying channel, the first conveying channel is communicated with the positioning groove, the first conveying channel is provided with a feeding groove, and the feeding groove is used for placing a spring; the spring pressing plate is movably arranged on the rack, a spring pressing head is arranged on the spring pressing plate, the spring pressing plate avoids the feeding groove when located at the first position, and the spring pressing head is embedded in the feeding groove when the spring pressing plate is located at the second position; the first pushing mechanism can move in the first conveying channel and is used for pushing the springs into the positioning groove from the feeding groove. According to the relay assembling equipment, the spring pressing head is embedded in the feeding groove so that the spring can be compressed, the first pushing mechanism pushes the spring to slide in the first conveying channel, the spring can accurately enter the frame located in the positioning groove, and the compression force on the spring is controllable.

The invention belongs to the technical field of medical equipment, and particularly relates to a skin grafting packaging stitching instrument in surgical operation, which comprises a fresh skin grafting fixing sheet, a transplantation receiving area positioning sheet and a stitching belt, a first connecting piece is arranged at the upper part of the fresh skin grafting fixing sheet, and the fresh skin grafting fixing sheet covers and fixes fresh skin grafting; a first connecting piece is arranged at the upper part of the transplantation recipient area positioning piece, a second connecting piece is arranged at the upper part of the transplantation recipient area positioning piece, the transplantation recipient area positioning piece is positioned near a recipient area, and the sewing belt is used for sewing and fixing the fresh grafted skin near the recipient area through the first connecting piece and the second connecting piece. The method is simple and rapid to operate, short in operation time, small in bleeding amount, small in wound and destructive effect on fresh skin grafting and recipient tissue, low in infection rate, safe and sanitary, and the skin is easy to survive.

Provided is a tunable biopolymer hydrogel produced from two processed natural polysaccharides for use as a hemostat. If desired, the hydrogel formation can be tuned so that the hydrogel forms within seconds when applied to a tissue lesion. The resulting hydrogel can adhere to tissue and, without swelling, produce hemostasis within seconds after application to tissue of interest. The hydrogel also captures, aggregates and concentrates platelets and red blood cells at the site of the tissue lesion thereby initiating a clotting cascade at the site of the lesion. The hemostat can be used to prevent blood loss during surgical procedures, for example, during brain, spine or other surgical procedures where hemostasis is desirable, and is particularly useful during surgical procedures where swelling of the hemostat (e.g., in the brain or spine) would be detrimental to the subject.

The present application provides a web game processing method, electronic device and computer-readable storage medium. In the embodiment of the present application, a browser responds to a first user operation based on a web game conversion page by a user, obtains web script information of a first web game engine, the web script information of the first web game engine includes a first web script file developed by the first web game engine and engine information of the first web game engine, and further responds to a second user operation based on the web game conversion page by the user, sends the web script information to a server, so that the browser can obtain the second web script file converted by the server according to the web script running rules of the second web game engine and the engine information of the first web game engine, which can be run in a web game running environment implemented based on the second web game engine, and the operation is simple, the operation time is short, and it is not easy to make mistakes.

The present invention relates to an HPV nucleic acid detection kit and a preparation method and application thereof. The inventor designs a dual probe detection combination of a U probe and a B probe designed for an HPV gene sequence, and based on this, develops a multiple nucleic acid detection kit and a PCR melting curve method for detecting multiple targets in a single tube. By introducing an L-type primer and a universal primer system: the uniformity of amplification is ensured; the difference between different amplicons in the amplification product caused by the difference in amplification efficiency between specific primers is eliminated. This method has a short operation time, and the detection can be completed within 3 hours. The lid does not need to be opened during the detection process, which can reduce PCR product contamination, and the detection specificity is high, which can reduce nonspecific amplification in the PCR reaction, improve the methodological detection sensitivity, and the result is easy to interpret.

The invention relates to the technical field of solid-state nanopore preparation, in particular to a solid-state nanopore preparation device based on a dielectric breakdown method, which comprises a hardware structure and a software structure, the hardware structure comprises a program control voltage source, a digital galvanometer, a sample to be processed, a reaction tank and a microcontroller used for controlling the program control voltage source and reading the current value of the galvanometer, and the microcontroller is connected to a computer through a signal cable. According to the method, the process of preparing the nanopore through dielectric breakdown is completely carried out in a solution environment, and compared with a method for preparing the nanopore through an ion beam or an electron beam, the occupied area is small, the equipment price is low, and the operation time is short; by means of a high-precision and high-stability program-controlled voltage source, the voltages on the two sides of the nano-film are precisely controlled, and the erosion rate of ions in a solution to the nano-film is precisely controlled; through a high-precision and high-stability digital galvanometer, the magnitude of current passing through the nano-film is precisely measured, and the dielectric breakdown process is monitored online in real time.

A crane includes a horizontal transport device horizontally movable with a motor, a hoisting device mounted on the horizontal transport device, the hoisting device being capable of winding a rope with a hoist motor, a hook attached on the rope to hang a payload and a control unit including a processor and a memory, the control unit being configured to control the horizontal transport device and the hoisting device. The control unit includes a rope tension determination unit configured to determine whether the rope is in a taut state without a slack; a state measurement unit configured to measure at least one state value of the crane when the rope has been wound up into a taut state by the hoisting device being driven and a transport control unit configured to move the horizontal transport device.

The invention provides a valve conveying system and an operation method, the valve conveying system comprises a catheter assembly, a driving device and a rope locking assembly, the catheter assembly is connected to the driving device, the rope locking assembly is connected to the near end of the driving device, the valve conveying system is provided with a containing cavity, and the catheter assembly, the driving device and the rope locking assembly penetrate through the containing cavity; when the valve is loaded, a pull rope of the valve penetrates through the containing cavity, the rope locking assembly locks the end of the pull rope, and the driving device can drive the valve to move into the catheter assembly. When the valve is released, the driving device is driven to enable the valve to move out of the containing cavity and to be released at a designated position, and the rope locking assembly unlocks the end of the pull rope. According to the valve conveying system, the functions of loading, delivering, positioning, recycling and the like of the prosthetic valve can be achieved through active driving, the structure is simple, the response speed is high, operation is stable, the control precision is high, and the operation efficiency of an operator is improved.

The invention relates to medical instruments, in particular to an osteochondral transplantation device and a transplantation method thereof. A first blade part structure is arranged on a first positioning part in the positioning assembly; the whole osteotomy assembly is of a hollow rod-shaped structure, two or more axial gaps are evenly distributed in an osteotomy part, the outer diameter of the osteotomy part is equal to the outer diameter of the first positioning part, the outer diameter of a main rod body of the osteotomy assembly is smaller than the outer diameter of the first positioning part, and the length of a third outwards-expanded straight blade is 1 / 3-1 / 2 of the length of the axial gaps; the inner aperture of the bone taking part is smaller than that of other parts; the inner aperture of the bone taking part is equal to the outer diameter of the first positioning part; an arc where the outer surface of the peripheral positioning clamp of the transplantation assembly is located is equal to the outer diameter of the main rod body of the transplantation assembly; the inner diameter of the transplantation assembly is larger than that of the bone taking assembly; the osteotomy assembly performs osteotomy operation; the residual cutting assembly carries out residual cutting treatment; the bone taking assembly is used for taking new bone cartilage; and the bone cartilage to be transplanted is placed in the inner hole of the transplanting assembly. The method is high in transplantation success rate, short in operation time and beneficial to health recovery of patients.

The utility model relates to the technical field of medical instruments, and discloses a channel screw positioning instrument which comprises a positioner main body, a guide sleeve, a locking mechanism, an adapter and an adjusting device, the positioner main body is of an arc-shaped structure, and the top end of the positioner main body is connected with the adjusting device. The positioner main body and the adjusting device are made of medical grade stainless steel or polymer materials; the guide sleeve is in sliding fit with the adjusting device and slides in the length direction of the adjusting device, and an observation opening is formed in the guide sleeve and used for facilitating observation of a doctor and guiding insertion of a screw; sliding blocks are connected to the front side and the rear side of the middle of the guide sleeve correspondingly and slide in the second sliding grooves. The channel screw positioning instrument is easy and convenient to operate, the fracture part is stabilized by placing the screws in the white channel of the pelvis and the hip, and fracture healing and functional recovery are promoted; compared with a traditional operation method, the technology has the advantages of being small in trauma, fast in recovery, short in operation time and the like.

The invention relates to the technical field of material science and electro-catalysis, in particular to a multivalent copper-based nano material and a preparation method and application thereof, and discloses a preparation method of the multivalent copper-based nano material, the operation steps are as follows: step 1, freezing-low temperature liquid phase stripping is performed on Cu2Te powder to prepare a two-dimensional Cu2Te nanosheet; and 2, the two-dimensional Cu2Te nanosheets are placed in an H-type electrolytic tank for in-situ electrochemical reduction, the precipitation rate of the Te elementary substance and TeO3 < 2-> is regulated and controlled by controlling the reduction current density, and then the copper-based nanomaterials with different valence states are obtained. The two-dimensional Cu2Te nanosheet is obtained through a freezing-low-temperature liquid phase stripping process, the precursor source is wide, no organic solvent needs to be added in the ultrasonic process, the method is simple and convenient to operate, and the method is a simple and convenient method for preparing a two-dimensional material.

The utility model relates to a claw changer for clamping an expansion sleeve, which comprises a claw changer main body, a driving seat capable of sliding up and down is arranged in the middle of the lower end of the claw changer main body, the driving seat is cylindrical, a circle of annular groove is arranged on the outer side wall of the driving seat, and the outer side wall of the driving seat is provided with a clamping groove. A plurality of clamping jaw blocks which are rotatably mounted are uniformly arranged at the lower end of the jaw changer main body around the driving seat, a plurality of inserting columns are mounted at the lower end of each clamping jaw block, the free ends of the clamping jaw blocks are inserted into the annular groove, and a handle barrel is mounted in the middle of the upper end of the jaw changer main body; the handle barrel is provided with a grab handle and a movable handle which is rotatably connected with the grab handle, a lifting barrel which slides up and down is arranged in the handle barrel, a connecting rod is rotatably arranged in the upper part of the lifting barrel, and the lower end of the connecting rod is rotatably connected with the upper part of the rotating end of the movable handle. According to the tool, the expansion sleeve can be conveniently and easily clamped and placed, the operation time is short, the installation efficiency is high, damage to the expansion sleeve is small, the handheld design is adopted, and operation is convenient.

The invention discloses a method for predicting moisture content in flavors and fragrances based on a characteristic wave band weighted near infrared spectrum, which comprises the following steps of: obtaining a plurality of characteristic peak wave bands of moisture on the basis of full wave number prediction; multiplying the infrared data of the characteristic peak wave band by an amplification coefficient to carry out weighted amplification, and adding a full-wave band spectrum of the essence and the perfume to obtain a full-wave-number spectrum with weighted characteristic wave bands; carrying out segmented modeling on different moisture contents; by comparing the distances from the sample points to the blending average center point of each group of samples, selecting the group with the minimum distance as a preliminary prediction interval of the moisture content of the samples to obtain a preliminary prediction result, and then performing accurate prediction to obtain the moisture content in the flavors and fragrances. According to the method, the prediction accuracy and precision can be greatly improved, and the demand quantity of modeling samples is reduced.

The present invention discloses a multiple fluorescent staining liquid and a preparation method and a use method thereof, wherein the multiple fluorescent staining liquid is an aqueous solution, comprising the following components: multiple salts, acetic acid, multiple binding proteins, preservatives, solubilizers, membrane disruptors, and multiple fluorescent stains. The present invention chelates fungal detection objects and detection objects of other microorganisms other than fungi together, and only requires one application, one staining, and one color observation to obtain the detection result. The effect after staining is clearer, and the staining boundary of the target object is sharper, which is very beneficial for the identification of small targets, especially bacteria and fungi in microorganisms are relatively small in shape, with clear boundaries and sharp fluorescent staining effects, which is conducive to the identification of such targets.

The utility model relates to a radiofrequency ablation electrode assembly for treating rhinitis symptoms, and relates to the technical field of medical instruments. The radiofrequency ablation electrode assembly for treating the rhinitis symptom comprises a head assembly, a connecting assembly, a handle assembly and a cable assembly. The head assembly is assembled at the front end of the connecting assembly, the rear end of the connecting assembly is connected with the handle assembly, and the cable assembly penetrates through the head assembly, the connecting assembly and the handle assembly. The head assembly comprises an electrode shell, a temperature measuring unit and an electrode; the connecting assembly comprises a connecting rod, a stay wire, a long connecting rod, a short connecting rod, a button and a bidirectional connecting rod; a cable cavity channel, a stay wire cavity channel and an endoscope cavity channel are formed in the connecting rod in the length direction of the connecting rod. The radiofrequency ablation electrode assembly is used in cooperation with a radiofrequency ablation host and used for ablation treatment of rhinitis symptoms.

The embodiment of the present application provides a single-taken multiple liquid nitrogen tank storage and taking equipment, and relates to the field of biological sample bank sample storage and taking. The present application is aimed at improving the problems of easy inactivation, low efficiency and danger of biological samples in the existing frozen tube manual storage and taking process. The present application comprises a storage rack, a liquid nitrogen tank, a tube taking group and a transmission group. The storage rack is fixed in the liquid nitrogen tank, and the storage rack is provided with a plurality of first placing grooves. The tube taking group comprises a moving rack and a plurality of clamping jaws. The moving rack is provided with a plurality of second placing grooves. The transmission group is arranged on the liquid nitrogen tank, and the transmission group is connected with the moving rack. The transmission group is used for driving the moving rack to move, so that the moving rack moves into the storage rack and expands, or moves out of the storage rack and gathers. Through the expansion of the moving rack by moving downward, the tube taking group enters the storage rack, the moving rack expands rapidly in the storage rack, and the tube taking group cooperates with the storage rack to realize the accurate transfer of the frozen tube. The tube taking group does not need manual tube taking, the operation time is short, and the efficiency is greatly improved.

The utility model discloses a flange type pressure test plug for a pipeline. The flange type pressure test plug comprises a connecting rod, a plurality of studs, a blind hub, a pressing ring, a sealing ring and an end cover, the end cover is sleeved with the pressing ring and the sealing ring in a concentric mode, the connecting rod and the studs penetrate through the blind hub to be connected with the end cover, a first through hole is formed in the center of the connecting rod and penetrates from one end of the connecting rod to the other end of the connecting rod, a second through hole is formed in the center of the end cover, and the second through hole is communicated with the blind hub. And the second through hole penetrates from one end of the end cover to the other end of the end cover, so that the first through hole is communicated with the second through hole after the connecting rod is connected with the end cover. The novel pressure test plug is high in reusability and convenient to install in place.

The present invention relates to a radiofrequency ablation device, comprising a transmission tube and a plurality of ablation arms; the plurality of ablation arms are respectively connected to the transmission tube, the plurality of ablation arms are collectively ring-shaped, the plurality of ablation arms are respectively provided with ablation parts, the ablation parts are electrically connected to ablation wires, the ablation wires are passed through the ablation arms and the tube walls of the transmission tubes, and the ablation wires are used to connect radiofrequency equipment. The radiofrequency ablation device can guide the ablation segments of the plurality of transmission tubes to fit the pulmonary vein orifices during atrial fibrillation treatment surgery, so as to form a ring ablation, and the operation is simple and convenient, which can greatly shorten the ablation surgery time, is conducive to wide promotion, and meets the surgical needs of a large number of atrial fibrillation patients. In addition, in addition to isolating the pulmonary vein electrical signals, the radiofrequency ablation device can also make a certain degree of improvement to the autonomic nerve plexus outside the pulmonary vein orifices, thereby further improving the effectiveness of atrial fibrillation ablation surgery.

The invention provides a 101-channel self-loop test box, and belongs to the technical field of electric power operation and maintenance. According to the structure, at least two self-loop lines are connected between a transmitting line and a receiving line from a telecontrol device to a monitoring master station, a controller for controlling the on-off state of one self-loop line is arranged on one self-loop line, a solid handle is arranged on the controller, an intermediate relay for controlling the on-off state of the other self-loop line is arranged on the other self-loop line, and the solid handle is connected with the intermediate relay. And the intermediate relay responds to a remote control instruction. According to the invention, when the 101 channel is interrupted, field operation personnel arrive at the field and then knock a handle to the manual test part, so that the 101 channel can be subjected to self-loop test, and whether the 101 channel is on or off is judged. And whether the 101 channel has a fault or not can be judged through remote control testing performed by 104 channel centralized control personnel, so that the time for removing the fault is shortened, and the safe and stable operation capability of the power grid is greatly improved.