43 results about "Capis" patented technology

The invention discloses an ultrahigh vacuum low-temperature sample table and belongs to the field of vacuum device instruments. The ultrahigh vacuum low-temperature sample table comprises a mechanicallift-pulling device, a low-temperature lengthened pipe, a sliding electrode, a connect-fixing cap, a sample table body and a detachable shielding cover, wherein the mechanical lift-pulling device isupward fixed to a low-temperature cooling head through screws, the mechanical lift-pulling device is downward fixed to the low-temperature lengthened pipe through screws, the low-temperature lengthened pipe is a hollow anaerobic copper pipe and is downward fixed to the sliding electrode through screws, the sliding electrode is fixed to the connect-fixing cap through screws, the connect-fixing capis movably connected with the sample table body below the connect-fixing cap, and the sample table body is fixed to the detachable shielding cover through screws. Mechanical, thermotical and electrical connection and dismounting of the sample table in vacuum can be achieved, meanwhile the sample plane of the sample table can rotate and change temperature, and sample measurement can be performed indifferent directions.

The invention provides a device and method for evaluating the capillary force in water injection process of an oil reservoir. The device and the method can simulate the capillary force of a stratum inthe actual water injection process of the oil reservoir. A rubber sleeve is arranged in a cylinder of a core holder, the end of the rubber sleeve is sleeved with a tapered sleeve, a sealing press capis in threaded connection with the cylinder, and a stopper is fixed; the stopper is in threaded connection with a core plug, and the length of the core plug is adjusted; the inner end of the core plug is arranged in the rubber sleeve; a high-permeability metal isolation plate is arranged between the stopper and the core, and circulation channels are formed in the radius and tangential directionsof the high-permeability metal isolation plate; a sieve is arranged between the high-permeability metal isolation plate at the outlet end and the core plug, the outer end of the core plug is connectedwith a pipeline fixing connector, and an annular pressure connector is connected with the outer part of the cylinder. The method provides steps and processes for the specific operation of experimental equipment and how to obtain a curve about the capillary force and the saturation degree. The device and the method eliminate influences brought by semi-permeable isolation plates or semi-permeable membranes, meanwhile the influence of the liquid end effect is also weakened, and experimental data becomes more accurate and reliable.

The invention discloses a dynamic characteristic testing device and method for a spindle in a rotation state. The device comprises the spindle, a rack, a fixing sleeve and the like, wherein the spindle is installed on the rack, one end of the spindle fixing sleeve is installed on the rack, the other end of the spindle fixing sleeve is connected with one end of a connecting support, and an end capis installed at the other end of the connecting support. A knife handle assembly comprises a knife handle, a bearing and a bearing box, wherein the bearing and the bearing box sequentially sleeve theknife handle from inside to outside, the knife handle assembly is sleeved by the connecting support and the spindle fixing sleeve, one end of the knife handle is connected with a rotor of the spindle,and a knife point at the other end extends out of the end cap. An actuator assembly comprises a piezoelectric actuator, the side face, perpendicular to the axial direction of the spindle, of the connecting support is sequentially provided with three installing holes, and the piezoelectric actuator of the actuator assembly, an acceleration sensor and a displacement sensor are respectively installed in three installing holes. The method adopts the piezoelectric actuator to exert excitation, adopts the knife handle assembly to achieve loading and can accurately and conveniently test dynamic characteristics of the spindle in the rotation process.

The invention discloses a formula and making method of a paste material for a frozen cheese creammy snow cap. The making method comprises the following steps of mixing raw materials of milk, cream andthe like, through combination of intermittent ultrasonic waves with a chopping technology, making semi-finished products of the paste material for a frozen cheese creammy snow cap, and through a decompressing quick-freezing technology, making finished products of the paste material for a frozen cheese creammy snow cap. After being unfrozen, the paste material for a frozen cheese creammy snow capis mixed with coffee cream in a certain proportion, and whipping is performed, so that cheese creammy snow cap, cheese creammy snow cap coffee or other beverages, being delicious, can be made. Throughcombination of the intermittent ultrasonic waves with the chopping technology, the raw materials are heated, and then the heated raw materials are mixed, so that the juice separation rate of the products can be effectively reduced, the emulsifying effect is guaranteed, and the elasticity and the fine and smooth degree of the products can be strengthened; decompressing quick-freezing is performed,so that the temperature of the products can be rapidly reduced, the flavor and the nutritional quality of the products can be maintained, and the shelf life can be prolonged. The formula and the making method are suitable for large-scale industrialized production. The paste material is stable in quality, rich in nutrition, delicious in mouth feel, convenient to use and convenient to transport andsell, and the problems that losses during on-site making are high, the products are instable, and the food hygiene security cannot be guaranteed, are solved.

Theinvention discloses a conscious disturbancecerebral cortex status detection system, which comprises a brain response signalsynchronous collection module, a response signal noise processing module and a cerebral cortex status detection algorithmmodule. The response signalsynchronous collection moduleincludesatranscranial magnetic stimulationand magnetic-compatible EEG device, wherein an EEG capis a 64-channel high-density EEG cap,a transcranial magnetic stimulation coil is an 8-shaped coil. During implementation, the coil is arranged at the dorsolateral prefrontal areaof the left side of the patient(position of F3 electrode on the 10-20 EEG system) in a direction in which the magnetic field is perpendicular to the scalp. The conscious disturbancecerebral cortex status detection system and method fill the void of the conscious disturbancecerebral cortex status detection system and method. Compared with the current clinical research methods, the conscious disturbancecerebral cortex status detection system and method are cost-effective, convenient, simple in calculation, very applicable and suitable for clinical promotion.

The invention discloses a novel armour piercing hollow projectile. The novel armour piercing hollow projectile comprises a projectile body, a ballistic cap, a bottom bolt and a bearing band, the projectile body is a hollow circular tube, the projectile body is composed of a cone section warhead at the front end and a cylindrical section projectile main body positioned behind the cone section warhead, the hollow radius of the projectile body gradually increases from the warhead to the projectile tail, the ballistic cap is arranged at the front part of the cone section warhead, the ballistic capis in a tapered streamline shape, the bottom bolt is fixedly connected to the tail part of the projectile body, and the bearing band is long-strip-shaped and is fixed on the outer side of the projectile body. According to the novel armour piercing hollow projectile, hollow design enables the projectile body to be lighter than a solid projectile body with the same length, the larger muzzle velocity is obtained, the shooting distance is longer, crushed concrete enters a circular tube at the inner part of the projectile body under the action of pressure, the bottom bolt is extruded, so that thepressure of the head of a penetration body and the severe action area of a target material is reduced, and the resistance is further reduced. Due to the fact that particle materials are easily subjected to the dilatancy effect under the crushing state, the circular tube is designed with a certain taper, so that the outlet end close to the tail part is larger, and the crushed body can easily pass the outlet end.

The invention discloses a charging-free acid extraction apparatus and acid extraction method for an AGM storage battery. The AGM storage battery comprises a battery case, a battery cover, and AGM partition plates, a negative electrode plate, a positive electrode plate and corresponding busbars placed in the battery case; the acid extraction apparatus comprises an acid extraction pipe and an acid extraction cap; the acid extraction pipe adopts a variable diameter structure and is externally connected with a negative pressure source; the acid extraction cap adopts a thin-wall groove-shaped structure with an open one end; the acid extraction pipe is perpendicularly arranged on the groove-shaped bottom surface of the acid extraction cap; the groove opening end plane of the acid extraction capis covered with a sealing rubber cushion; and a pressure release opening is formed in the side surface of the acid extraction cap. By adoption of a normal pressure-negative pressure alternately changed voltage transformation acid extraction process, the free acid in the battery case can be fully extracted, and 4-10% of gap can be reserved in the AGM partition plates through control, so that the requirement of oxygen generation and compounding in the interior can be satisfied; and meanwhile, the same result can be achieved without consuming electric energy, and the acid extraction time is alsoshorter.

The invention relates to an anti-counterfeiting structure of a bottle cap. The anti-counterfeiting structure comprises an upper cap, a base and an anti-counterfeiting ring. The base is mounted on a bottle opening in an embedded mode. The upper cap is mounted above the base in a threaded connection mode. The anti-counterfeiting ring is arranged at the junction of the upper cap and the base and comprises an upper ring, a lower ring and a plurality of connecting bridges for connecting the upper ring with the lower ring. The upper ring and the lower ring are nested on the upper cap and the base correspondingly. The junction of the upper cap and the base is sleeved with the connecting bridges in an embedded mode. According to the anti-counterfeiting structure, the upper cap and a lower cap of the bottle cap are closed, the anti-counterfeiting ring encircles the exteriors of the upper cap and the lower cap, and when the upper cap is rotated anticlockwise, the connecting bridges at the ring part, close to the upper cap and the lower cap, of the encircling-type anti-counterfeiting ring are broken off or burst open due to rotation stress. The anti-counterfeiting structure of the bottle capis difficult to counterfeit after being subjected to one-time damage, the requirements for the technology are high, and compared with an existing anti-counterfeiting bottle cap, the anti-counterfeiting effect is better.

The invention discloses an anti-loosening ultrasonic transducer mounting structure and mounting method, and belongs to the technical field of transducer mounting. The anti-loosening ultrasonic transducer mounting structure comprises a cleaning groove, a mounting cap penetrating through the cleaning groove, a waterproof gasket arranged between the mounting cap and the cleaning groove, a connectingthread sleeve arranged between the cleaning groove and the mounting cap, and a transducer arranged on the mounting cap. An anti-loosening assembly arranged between the transducer and the mounting capis included. The anti-loosening ultrasonic transducer mounting structure has the beneficial effects that due to the anti-loosening ultrasonic transducer mounting structure, loosening and falling between the transducer and the mounting cap due to long-term use can be prevented, the service life is long, and the anti-loosening ultrasonic transducer mounting method facilitates dismounting and mounting, and operation is convenient.

The invention relates to a magnetic watch base having the effect of stable operation. The invention discloses a rebound-resistant magnetic watch base comprising a base that is provided with a receiving groove for the permanent magnets to be inserted along the length direction of the base, wherein the end surface of the base is detachable for closing the end cap of the receiving groove, the end capis provided with a knob that is provided with a fixing plate located between the end cap and the base, the fixing plate is provided with a toggle block, and the permanent magnet is provided with a toggle groove for the toggle block to insert; a fixing groove for closely rotating the fixing plate is opened on the end cap, a limit groove communicating with the fixing groove is opened on the end cap, a limit piece clamped into the limit groove is extended on the fixing plate, an elastic piece for pushing the fixing plate toward the end cap is arranged in the toggle groove; and when the magnetictable base is in working state, the limit piece of the fixing plate is pushed into the limit groove. With the cooperation of the elastic member and the limit lever, the rebound prevention of the magnetic watch base is realized.

The invention discloses a KY-method sapphire single crystal growth device. The KY-method sapphire single crystal growth device at least comprises a crucible, a suspension mechanism and a crucible cover, and is characterized in that the crucible cover comprises a cover body, a cover eave and a cover cap, wherein the cover body is annular; the surface of the cover body is provided with a through hole, and the through hole is a hoisting hole; the cover eave is in the shape of a cylindrical tube or in the shape of a trumpet-shaped tube; an opening end of the cover eave is connected with the outercircle of the cover body; the other end of the cover eave is a free end and extends towards the direction of the crucible, and the cover cap is trumpet-shaped; the larger opening end of the cover capis connected with the inner circle of the cover body, and an opening at the other end of the cover cap is a free end and extends towards the direction opposite to the crucible; the cover eave and thecover cap are respectively arranged on two sides of the plane on which the cover body is located; and the suspension mechanism can be connected to the crucible cover so that the crucible cover can suspend above the opening of the crucible in a working state through the suspension mechanism.

The invention discloses an iron accessory facilitating fastening. The iron accessory facilitating fastening comprises a first annular clamping hoop, a second annular clamping hoop, a third annular clamping hoop and a fourth annular clamping hoop which are symmetrically arranged; a movable mechanism is arranged between the first annular clamping hoop and the second annular clamping hoop, and a movable mechanism is arranged between the third annular clamping hoop and the fourth annular clamping hoop; the sides, away from the movable mechanisms, of the first annular clamping hoop, the second annular clamping hoop, the third annular clamping hoop and the fourth annular clamping hoop are each provided with a threaded groove; a fastening bolt is arranged in each threaded groove; and a screw capis arranged at the top end of each fastening bolt. The iron accessory facilitating fastening has the beneficial effects that the distance between the first annular clamping hoop and the second annularclamping hoop and the distance between the third annular clamping hoop and the fourth annular clamping hoop are shortened, firmness is better, so that the iron accessory facilitating fastening can adapt to pipelines and other accessories in different specifications, and universality is improved; and due to a multi-stage buffering effect, a shock absorbing role is effectively played, a pipeline needing to be fixed is protected, the service life is prolonged, and practicability is high.

The invention discloses a direct-acting mechanical keyboard switch. The direct-acting mechanical keyboard switch comprises a key cap, a fixed base, a push rod, a contact, a fixed column and a keyboardswitch base, wherein the fixed column is welded at the bottom of the inner side of the keyboard switch base; a fixed contact substrate is arranged on the top surface of the fixed column; the key capis arranged on the upper part of the keyboard switch base; the fixed base is arranged at the bottom of the inner side of the key cap; a triangular supporting frame is arranged on the surface of the fixed base; the triangular supporting frame comprises a left supporting frame and a right supporting frame; and one side of the left supporting frame is connected with one side of the right supporting frame through a rotating shaft. The key cap can only bear force in the vertical direction through the triangular supporting frame, so that the contact offset is avoided; and the triangular supporting frame comprises the left supporting frame and the right supporting frame, and the left supporting frame and the right supporting frame are arranged in a crossed mode, so that the stability of the triangular supporting frame can be improved, and the triangular supporting frame is not easy to deform.

The invention discloses an anti-fake bottle cap with the function of triggering an electronic dynamic digital label for self destroying during cap opening. The anti-fake bottle cap comprises an anti-fake mechanism and a cap body for installing the anti-fake mechanism; the cap body comprises an upper cap and a lower cap, the upper cap is in threaded connection with the lower cap, and the upper capis internally provided with an electronic label installation zone and a two-dimensional code pasting zone; the anti-fake mechanism comprises an electronic label and a telescopic switch, the telescopicswitch is arranged at the upper end of the lower cap, when the upper cap is screwed into the lower cap, the telescopic switch makes contact with a main circuit board of the electronic label, a circuit is connected, and the electronic label operates; and when the upper cap is unscrewed, the telescopic switch is separated from the main circuit board, and the electronic label is destroyed and cannotbe identified. The anti-fake bottle cap is novel and unique in structure, can effectively protect famous liquor from being counterfeited and is high in universality.

The invention discloses a CNC (computer numerical control) machining center, which comprises a base, a base plate, a spindle and a clamping jig. The base plate is fixed to the base, the clamping jig is mounted on the base plate, and the spindle is mounted on the base through a mounting plate. The clamping jig comprises a first mounting plate, a second mounting plate and a plurality of supporting heads, and the first mounting plate and the second mounting plate are parallel. Upper ends of the supporting heads extend out of through holes to connect with the first mounting plate, each bottom capis connected with the lower end of the corresponding shell, each elastic holding sleeve sleeves the outer side of a corresponding movable ejector rod, each movable sleeve sleeves the outer side of thecorresponding elastic holding sleeve, each elastic holding sleeve and the corresponding movable sleeve are positioned in the corresponding shell, the lower end of each movable sleeve penetrates the corresponding bottom cap to fixedly connect with a corresponding push block, and each push block is connected with a driving mechanism. The CNC machining center is applicable to workpieces under different conditions; when the multiple supporting heads are combined for supporting the workpieces, a down moving distance of the movable ejector rod of each supporting head varies along with lower surfacebending degrees of the workpieces, and structural ingenuity is realized.

The invention discloses a metal-sealed floating ball valve. The metal-sealed floating ball valve comprises a valve body, a valve ball is mounted in the middle of an inner cavity of the valve body, valve ball holes are formed in the two sides of the valve ball respectively, a top cap is mounted at the top end of the valve ball, a bottom cap is mounted at the bottom end of the valve ball, a top cover is mounted at the top end of the valve body, an adjusting handle is mounted at the top end of a screw rod, an electric motor is mounted on one side of the top end of a transmission box, a driving shaft is mounted at one end of the electric motor, and a second driving gear is mounted on the driving shaft. According to the metal-sealed floating ball valve, the top cap and the bottom cap at the twoends of the valve ball are connected through a connecting strip, and the connecting strip has a certain toughness, so that the position, relative to the valve ball, of the top cap and the bottom capis capable of being floated, when a medium enters the valve ball, under the action of the medium pressure, the two ends of each of the top cap and the bottom cap can be expanded, and the two ends of each of the top cap and the bottom cap are more closely clung to the inner cavity wall of the valve body accordingly.

This invention provides a modular street lamp which comprises a mounting seat, a lampshade, an LED lamp, an adjustment cap, a screw, a fixed seat, a plug, a nut seat, a connecting rod, a driven cone wheel, a driving cone wheel and a rotating rod. The right end face of the mounting seat is fixed with the lampshade, and the LED lamp is arranged at the bottom of the lampshade, and the regulating capis arranged on the right side of the front end face of the lampshade.The rear end face of the adjustment cap is fixedly connected with the rotating rod. The rear end face of the rotating rod is fixedly installed with the driving cone wheel, and the rear side of the driving cone wheel is provided with the driven cone wheel. The left end of the follower cone wheel is provided with the screw.The ringside of the screw is provided with the neat seat, and the front end face of the nut seat is provided with the connecting rod. The left end of the screw is provided with the fixed seat, and the innerrear side of the lampshade is fixed with the plug. The design solves the original problem of high maintenance cost of the street lamp. The modular street lamp has the advantages of reasonable structure, convenient disassembly and assembly and low maintenance cost.

The invention provides an efficient steam generator and belongs to the field of steam cleaning appliances. The efficient steam generator solves the problem that an existing steam generator has a low cleaning and sterilization efficiency. The efficient steam generator comprises a metal shell body, a metal spiral pipe and a plurality of U-shaped electric heat pipes. The metal spiral pipe has inner and outer layers. A hollow cavity is located between the metal spiral pipe with inner and outer layers. The U-shaped electric heat pipes are inserted in the hollow cavity, and the tail ends of the U-shaped electric heat pipes extend out of the metal shell body. One end of the metal spiral pipe is provided with a water inlet, and the other end of the metal spiral pipe is provided with an air outlet.The top of the shell body is provided with a water and liquid separation chamber. The water and liquid separation chamber is internally provided with a metal cover board. Cavity bodies are arranged between each of two metal cover plates. A plurality of through holes are formed in the cavity bodies. The outer wall of the bottom of the water and liquid separation chamber is provided with a secondary heating pipe. The secondary heating pipe is internally provided with a secondary heating opening. The metal shell body is provided with a metal covering cap. The bottom end of the metal covering capis provided with an air outlet. The efficient steam generator has the advantage of improving the efficiency of cleaning and sterilization.

The invention discloses a variable-leaf-surface barrel type wind driven generator comprising blades, a middle shaft, connecting rods, a counterweight flange, an upper end cover, a lower end cover, a top sealing cap and slender rods; one end of the middle shaft is connected to the upper end cover, and the other end of the middle shaft is connected to the lower end cover; and the top end sealing capis installed on one end of the middle shaft, the counterweight flange is slidably installed on the middle shaft, the counterweight flange is connected to one ends of the connecting rods, the other ends of the connecting rods are connected to the blades, and the blades are provided with the slender rods capable of freely turning over. The risk of failure of a pure electromagnetic brake function iseffectively reduced by means of the lifting and lowering of the counterweight flange and the variable leaf surface. When the wind driven generator is at a low rotation speed, the frontal area of theleaf surface is large, as the rotation speed is improved, the leaf surface is displaced to reduce the frontal area, the frontal area of the blades is reduced, and then the rotation speed is graduallyreduced, so that the rotation speed of the wind driven generator is maintained in a normal working state.

The invention relates to the field of daily protective articles, and discloses a dustproof, sun-proof and rainproof cap worn on the shoulder. The cap comprises a crown, a yarn cover, a surface cover,a shoulder frame, an elastic band, a frame and a sun-proof coat, the crown is fixedly mounted on the upper end surface of the frame, the yarn cover and the surface cover are mounted around the periphery of the frame, the frame and the shoulder frame are integrally designed, the elastic band and the shoulder frame are integrally connected through pins to form an elastic fixed frame, the cap can bestably worn on the shoulder of a human body through the elastic fixed frame, the sun-proof coat and the cap are split, and the sun-proof coat can be mounted on the shoulder frame in a sleeving mannerwhen a user wants to use the sun-proof coat. According to the cap, when the user rides a bicycle or an electric bicycle, dustproof, sun-proof and rainproof protection of the user is achieved, the capis simple in structure, portable, ventilated and breathable, and excellent comfort is provided for the user.

The invention provides a square capacitor comprising a core cladding, a shell and a sealing component. The core cladding is composed of a positive foil, a negative foil and electrolytic paper throughwinding. A positive guide pin and a negative guide pin are connected on the positive foil and the negative foil respectively. The sealing component seals the core cladding in the shell, and the positive guide pin and the negative guide pin stretch out of the shell. The sealing component comprises a rubber plug block and a sealing cap. The rubber plug block is provided with penetrating holes for the positive guide pin and the negative guide pin. The aluminum stems of the positive guide pin and the negative guide pin are extruded in the penetrating holes by the rubber plug block. The sealing capis provided with penetrating through holes for the positive guide pin and the negative guide pin. The penetrating through holes are provided with first sealing steps. The positive guide pin and the negative guide pin and the sealing cap are enabled to be sealed on the first sealing steps through light solidification glue. Second sealing steps are arranged on the external side of the first sealingsteps. Filling and sealing are performed on the second sealing steps through heat solidification glue. The square capacitor has great sealing effect and high manufacturing process operability.

The invention relates to an air whistle button, which comprises a shell, an electricity connecting component and a pressing component, wherein the first conducting strip of the electricity connectingcomponent is clamped in the first spacing slot of a shell; the first conducting strip is provided with a first stationary contact, and a second conducting strip is provided with a second stationary contact and is clamped in the second spacing slot of the shell; a third conducting strip is independently provided with a first movable contact and a second movable contact, and is positioned between the first stationary contact and the second stationary contact; and one end of the ejection rod of the pressing component penetrates out of the shell to be connected with a button cap, the other end ofthe ejection rod extends into the shell to be connected with the third conducting strip, an elastic restoring element is sheathed to the ejection rod, and the top end of the elastic restoring elementis connected with the button cap. By use of the air whistle button, a phenomenon of contact deflection since a butt joint position is pressed for a long time can be effectively avoided, the button capis unlikely to be broken by pressing, and service life is prolonged.

The invention relates to the technical field of medical appliances, in particular to a cerebrospinal fluid extractor, comprising a sampling tube, a tube plug and a connection tube. One end of the sampling tube is closed, and the other end of the sampling tube is provided with an opening; the tube plug is hermetically arranged at the opening end of the sampling tube; the upper surface of the tube plug is provided with a receiving port; one end of the connection tube is provided with a tube plug puncture needle; the other end of the connection tube is provided with a lumbar puncture needle connector; a lumbar puncture needle is passed through the receiving port into the tube plug and connected with the inside of the sampling tube; the lumbar puncture needle connector is connected with the tail of the lumbar puncture needle; a tube cap sleeves the opening end of the sampling tube and seals the sampling tube; the upper half of the sampling tube is provided with a fixing ring; the tube capis connected with the fixing ring through a fixing strap. The cerebrospinal fluid extractor has the advantages of simple structure, low production cost, and less danger of samples being contaminated.

The invention discloses a water monitor heater. The water monitor heater comprises a shell body, wherein the shell body comprises a locking cap, a connection sleeve and a barrel body, the locking capis annular, an internal connection thread used for connecting a water transmission pipeline is formed in an inner hole of the locking cap, and an external connection thread used for connecting a watermonitor is arranged at the bottom end of the outer cylindrical surface of the barrel body; and a first annular bulge is arranged in the inner hole of the locking cap, a second annular bulge is arranged on the outer cylindrical surface of the connection sleeve, the lower end of the connection sleeve penetrates through the inner hole of the locking cap and is connected with the upper end of the barrel body, and the first annular bulge is located between the second annular bulge and the barrel body. The water monitor heater further comprises a heating component coiled at the outer side of the barrel body. A heat-conducting rib is arranged in the inner hole of the barrel body. The water monitor heater disclosed by the invention is capable of heating the water monitor and water flow flowing towards the water monitor from the water transmission pipeline, so that the water monitor is prevented from being frozen; and meanwhile, the water monitor heater further has the advantages of being convenient to install, and high in strength and sealing performance.

The invention discloses an explosion-proof ceramic capacitor, relates to the technical field of electronic components, and in particular relates to the explosion-proof ceramic capacitor comprising a shell, a capacitor chip, a sealing end cover and pins, and also comprising a foamed metal layer, spring rings, metal cooling fins, a heat dissipation channel, an end cap, an explosion-proof pedestal, multiple exhaust ducts and a cover plate, wherein the foamed metal layer is adhered on the inner surface of the shell, the multiple spring rings are arranged on the foamed metal layer, the metal cooling fins are welded on the outer surface of the shell, the two pins are connected with the capacitor chip. The heat dissipation channel is formed in the middle part of the sealing end cover, the end capis arranged at the outlet end of the heat dissipation channel, the explosion-proof pedestal is arranged at the bottom of the shell, the multiple exhaust ducts are formed in the explosion-proof pedestal, the cover plate is connected onto the explosion-proof pedestal, and one end of the cover plate is hinged with the explosion-proof pedestal via a torsion spring. After using the technical scheme, the explosion-proof ceramic capacitor has the advantages of simple structure, reasonable design, good heat dissipation performance and good explosion-proof effect.

The invention belongs to the technical field of a sky train system. A supporting stand column for a sky train system and the sky train system aimsto solve the problems that ina supporting stand columnof an existing sky train system, when concrete of a connecting cushion capis poured, the concrete of the connecting cushion cap cannot enter the supporting stand column, so that connecting stabilityof the supporting stand column is affected. The invention provides the supporting stand column for the sky train system. The supporting stand column comprises a base body and a column body, the bottomof the column body is connected with the base body, and a cavity is formed in the bottom of the column body; a ventilation structure, communicating with the cavity, is arranged on the column body toenable fillers to flow into the cavity from the bottom of the column body when pouring and filling are carried out on the base body. According to the arrangement, the column body is also filled with the fillers, the joint area between the column body and the base body is increased, and further, the connecting stability between the column body and the base body is enhanced.

The invention aims to achieve the technical purpose of improving the laser measurement precision of the total station instrument height. A standard plane laser ranging total station instrument heightmeasuring system comprises a total station and a laser displacement sensor, the laser displacement sensor is vertically installed in the center of a total station base downwards. The standard plane laser ranging total station instrument height measuring system is characterized by further comprising a laser reflection cap which is in a circular truncated cone shape, four vertical marker lines whichare symmetrically distributed along the central axis of the reflection cap are arranged on the side face, the upper surface of the reflection cap is flat, and the lower surface of the reflection capis spherical, wherein the spherical curvature is equal to that of the upper surface on a measurement marker. When the instrument height is measured through laser, a spherical bulge of the measurementmarker is covered with the reflection cap, and the four vertical marker lines are aligned to the edges of an alignment marker in a crossed groove shape on the spherical bulge of the measurement marker. The system has the advantages that the groove in the alignment marker on the survey marker is covered with the laser reflection cap, the errors which are brought by the groove to laser ranging are eliminated; the laser reflection cap is easily leveled, and the upper surface of the reflection cap is flat, so that the laser ranging precision is ensured.