1231results about How to "Avoid Leakage" patented technology

The invention belongs to the technical field of gas production wellhead devices, and particularly relates to a 175MPa gas production wellhead device which comprises a gas production tree assembly and a tubing head assembly, the gas production tree assembly comprises a gate valve body, the gate valve body comprises a driver and a hand lever, and a protection assembly is installed between the driver and the hand lever; the protection assembly comprises a connecting shaft, a hand lever, a driver, a transmission sleeve, a steel rope, a high-strength spring, a transmission ring, a connecting block, a rotating groove and a transmission column. When the driver operates, the driver drives the connecting shaft to rotate, the connecting shaft rotates to drive the transmission column on the transmission ring to rotate synchronously, after the transmission column is in contact with the steel rope, the connecting shaft drives the steel rope to twist through the transmission column, and at the moment, the transmission sleeve moves towards the direction of the connecting shaft, so that the transmission sleeve is separated from the hand lever; and the phenomenon that the valve cannot be normally opened due to physical interference between the hand lever and the output shaft of the driver caused by mistaken rotation of the hand lever in the operation process of the driver is avoided.

The utility model discloses a liquid sampling, metering and detecting device, which relates to the technical field of liquid sampling and metering and comprises a sampling tube and a liquid inlet tube, a piston is arranged in the sampling tube, and a connecting rod penetrating through the sampling tube is mounted at the top of the piston. When the liquid sampling, metering and detecting device is used, a pressing block can be extruded according to the sampling requirement of liquid, so that the pressing block extrudes a clamping block into a telescopic rod, at the moment, the clamping block does not limit the telescopic rod, then a telescopic spring jacks a lantern ring upwards through the telescopic rod, and the lantern ring does not extrude an arc-shaped block; when the liquid is transferred, the arc-shaped block is not extruded, namely, the movable rod penetrating through the middle of the connecting rod is not extruded, at the moment, the movable rod can be pushed downwards, so that the movable rod blocks the liquid inlet pipe through the rubber plug, the situation that the liquid in the sampling pipe leaks when the liquid is transferred can be avoided, and the subsequent liquid detection effect cannot be influenced.

The invention relates to the technical field of welding equipment, in particular to household metal stand column intelligent welding equipment and a working method thereof.The household metal stand column intelligent welding equipment comprises a base and a shell fixedly installed at the top of the base, a clamping mechanism used for positioning a stand column is arranged in the shell, and a water cooling mechanism used for cooling the stand column is arranged on one side of the clamping mechanism; a welding tool used for welding the U-shaped frame is movably installed on the inner wall of the shell. The extending end of a second air cylinder is controlled to extend, a roller is matched with an extrusion rod to drive a clamping plate to provide pushing force for the side face of a stand column, the stand column is preliminarily positioned through the inner wall of a mounting sleeve, a pressing plate presses the top of the stand column, and therefore the longitudinal position of the stand column is determined, and at the moment, the position of a stand column socket corresponds to the position of a movable block; the extending end of the first air cylinder is controlled to extend to the longest, and due to the fact that the moving block is matched with the mounting strip to guide and position the position of the U-shaped frame, the position inaccuracy of the U-shaped frame during follow-up welding is avoided.

The utility model discloses a mixing device for processing high-strength anti-crack concrete, which comprises a stirring tank and a support disc arranged right above the stirring tank, the lower end of the support disc is rotatably connected with a support ring, and a plurality of annularly distributed support rods are fixedly connected between the lower end of the support ring and the upper end of the stirring tank. A supporting block is fixedly connected to the inner side wall of the supporting ring, a servo motor is fixedly connected to the upper end of the supporting block, an annular groove is formed in the lower end of the supporting disc, an annular rack is fixedly connected to the inner side wall of the groove, and a gear meshed with the rack is arranged in the groove. The tail end of an output shaft of the servo motor upwards penetrates through the supporting ring and is fixedly connected with the lower end of the gear, and a circular cavity is formed in the position, close to the center, in the supporting disc. Through the arrangement of the piston, the supporting disc and other mechanisms, an additive can be uniformly dispersed into concrete, so that the time required for mixing is shortened, and the mixing uniformity is improved.

The invention discloses an integrated beverage sterile production line system, and belongs to the technical field of food processing and transportation. The integrated beverage sterile production line system comprises a conveying device and a filling bottle, the conveying device comprises a base, a support, a bin body and a conveying belt, the filling bottle is slidably connected to the interior of a conveying air duct, the bin body is fixedly connected to the top end of the base, and a rotating shaft is rotatably connected to the inner bottom wall of the bin body; and one end of the rotating shaft is fixedly connected with a rotating disc. By arranging the anti-leakage assembly, a piston plate on the side wall of a reciprocating threaded sleeve moves up and down in a reciprocating mode, external air is continuously guided into an air storage pipe, a second one-way exhaust valve located on one side of a blocking air bag in a bottle opening is opened along with filling, and the lower half portion of the blocking air bag begins to expand along with continuous entering of the air; and along with continuous expansion of the blocking air bag, the bottle opening is blocked, the situation of material leakage in the filling process is avoided, and the using effect is improved.

The invention discloses a hard disk backboard and a server, and relates to the technical field of servers. The power supply control interface of the backboard controller is connected with the hard disk connector, the power supply control function of the hard disk is fully utilized to control the work of the hard disk, the situation that the occupied area of the backboard is additionally increased in an electronic fuse mode is avoided, and connection is achieved only in an interface mode; meanwhile, a clock buffer is added and integrated with a power supply control function of the hard disk to realize a power-on time sequence which is strictly required by a high-speed signal of a specific hard disk, so that the hard disk identification error problem caused by a time sequence error risk is reduced, the hard disk identification accuracy is improved, and the adaptation compatibility between the hard disk and a mainboard is correspondingly improved. Besides, the backboard controller and the hard disk connector are connected through the first communication interface, the situation that key information is leaked due to the fact that conventional hard disk information acquisition occupies a polling communication protocol for a long time is avoided, and the safety of hard disk information acquisition is improved.

The invention relates to the technical field of high-precision hydraulic valves, in particular to a high-precision hydraulic valve convenient to mount, which comprises a mounting part and a hydraulic valve main body, a mounting device is arranged at the top of the mounting part, and a valve pipe is arranged in the hydraulic valve main body. According to the high-precision hydraulic valve convenient to install, by arranging an adjusting detection device, a sliding table is started to drive a connecting frame to move in the direction close to a spring piece and stretch into the middle end position of the spring piece, then a hydraulic telescopic rod can be started to drive a connecting rectangular plate to move downwards, and an oil body detection sensor is controlled to ascend and descend to continue detection; the hydraulic valve can move to the lower portion to achieve the blocking effect, use is convenient, temperature and pressure detection is conducted on oil flowing inside, and a high-precision sensor is integrated in the hydraulic valve and used for monitoring the pressure, flow, temperature and other parameters of oil in real time. And the data is transmitted to a preset parameter range of the control equipment to automatically adjust the working state of the hydraulic valve, so that the stability and the precision of system operation are ensured.

The utility model discloses a flexible fireproof cable which comprises an outer insulation sleeve, an armor layer is pressed on the inner side of the outer insulation sleeve, an inner insulation sleeve is pressed on the inner side of the armor layer, partition plates are compounded on the inner side of the inner insulation sleeve from top to bottom, cable inner layers are compounded on the inner sides of the partition plates, and cable outer layers are compounded on the inner sides of the cable inner layers. A cable core is pressed on the inner side of the cable inner layer, and through holes are formed in the circumference of the outer wall of the cable inner layer from top to bottom. According to the flexible fireproof cable, the split type design is adopted, the insulating oil is divided into a plurality of independent individuals, in actual use, the situation that the insulating oil is wasted is avoided, it is guaranteed that other normal parts of the cable are not affected by the insulating oil except short-circuit fire, and in the use process, although the cable has a damaged part, the cable can be prevented from being damaged. The whole structure cannot be damaged, maintenance is convenient, use is flexible, practicability is high, and the use requirement on the existing market is met.

The invention relates to the technical field of heat exchange, in particular to a heat exchanger based on bamboo joint type enhanced heat exchange and a heat exchange method.The heat exchanger comprises a heat exchanger body, and a water inlet pipe and a water outlet pipe are arranged on the heat exchanger body; the filtering structure is in sealed sliding connection with the water inlet pipe, and two groups of filtering positions are arranged on the filtering structure; the energy storage assembly is connected with the filtering structure, the energy storage assembly is matched with a top plate arranged on the heat exchanger body, and one set of filtering positions can be coaxial with the water inlet pipe; and the power assembly is arranged on the top plate, and the power assembly is matched with a third convex shaft arranged on the energy storage assembly and can drive the energy storage assembly to act, so that switching of the two filtering positions is achieved, and the circulation speed and the heat exchange efficiency of heat exchange fluid are improved.

The utility model discloses a water-based UV coating rescreening device, which belongs to the technical field of screening devices and comprises a bottom plate, a convenient material taking assembly is arranged at the upper end of the bottom plate, a screening box is arranged at the upper end of the convenient material taking assembly, a screening plate fixing assembly is arranged on one side of the screening box, and a feeding hopper is arranged at the upper end of the screening box. Supporting columns are symmetrically arranged on one side of the screening box, and a height adjusting assembly is arranged on one sides of the supporting columns and corresponds to the screening box. Through the arrangement of the convenient material taking assembly, the material taking box can be rapidly and stably taken out from the bottom end of the screening box for use, manpower resources are saved, labor cost is reduced, meanwhile, the material taking box can be accurately installed, it is guaranteed that the butt joint of a material receiving opening is accurate, the situation of material leakage is prevented, and the use cost of equipment is saved; and a sieve plate fixing assembly is arranged, so that a sieve plate can be conveniently taken out and cleaned, the use convenience of the equipment is improved, and the screening effect of the water-based UV coating is guaranteed.

The double-channel electromagnetic control valve comprises an electromagnet and a controller arranged on one side of the electromagnet, the controller at least comprises a barrel extending in the axial direction of the electromagnet, a hole A and a hole B are formed in the outer circumferential face of the barrel in a front-back split mode, a hole P is formed in the free end side of the barrel, and a hole B is formed in the outer circumferential face of the barrel. A steel ball capable of selectively sealing the P hole is arranged in an inner cavity of the free end of the cylinder body; a containing cavity is formed in the cylinder body, a push rod driven by the electromagnet is arranged in the containing cavity, the diameter of the end side of the push rod is smaller than that of the hole P, and at least part of the push rod can extend out of the hole P; the push rod is sleeved with a sealing plug capable of selectively separating a communication channel between the hole A and the hole B. The device has the advantages that under the condition that the coil is not powered on or powered off, the steel ball is completely attached to the P hole all the time under the action of hydraulic oil, the situation that the hydraulic oil leaks can be avoided, and safety is improved.

The invention belongs to the technical field of elevator buckets, and particularly relates to an elevator bucket with an accumulated material cleaning function, which comprises an elevator bucket main body, a barrier strip is fixedly mounted at the top of the elevator bucket main body, and a plurality of knocking mechanisms which are linearly distributed are arranged in the elevator bucket main body. A plurality of driving mechanisms which are distributed in a linear mode are arranged at the bottom of the elevator bucket body, and the number of the knocking mechanisms is equal to that of the driving mechanisms. According to the lifting bucket, after the materials are unloaded, the lifting bucket body rotates upwards along with the opening of the lifting bucket body after shoveling the materials again, and at the moment, the driving mechanism drives the knocking mechanism to continuously knock the inner wall of the lifting bucket body through the driven mechanism in the process that the driving mechanism is away from the lifting bucket body under the action of gravity; therefore, the tips of materials accumulated in the elevator bucket body can be shaken and spread evenly, and the situation that the materials leak out in the moving process of the elevator bucket body can be prevented by reducing the accumulation height of the materials.

The invention discloses a preparation method of a built-in gas circuit of a ceramic disc of an electrostatic chuck, and belongs to the technical field of electrostatic chucks. S2, processing a positioning hole, a via hole and a DC hole in the ceramic green sheet prepared in the above step through a machining center; s3, filling conductive metal slurry in the via hole, and printing a metal electrode layer, a first Via Pad layer and a second Via Pad layer on the surface of the ceramic green sheet in a screen printing manner; s4, laminating to form an upper ceramic green compact block and a lower ceramic green compact block; s5, performing gas path processing on the surface of the lower ceramic green compact block; s6, the upper ceramic green compact block and the lower ceramic green compact block subjected to gas circuit machining are stacked together in a positioning and stacking mode, and a complete gas circuit is formed; s7, degreasing and glue discharging are conducted on the upper ceramic green compact block and the lower ceramic green compact block, and the ceramic plate subjected to glue discharging is formed; s8, performing high-temperature sintering to obtain ceramic; and S9, the machining center machines the air outlet channel.

The invention discloses a forming device for building material production, and relates to the technical field of building material production and forming. A forming assembly is arranged on the top of the rack body in a matched mode. The forming assembly comprises two sets of symmetrical supporting rods. The supporting rods are fixedly installed at the four corners of the top of the rack body. Two sliding blocks are fixedly mounted between each group of supporting rods; the sliding block and the forming die are fixedly installed. An inner cylinder is fixedly mounted at the top of the forming die; a plurality of fixed blades are integrally arranged at the top of the inner cylinder; the fixed blades are arranged at intervals; during use, a movable plate is firstly placed on two top blocks, a second driving motor drives a driving gear to be meshed with a driven gear mounted on a fixed cylinder, the driven gear realizes rotation of the fixed cylinder and a threaded cylinder, and a screw rod drives a lifting plate to move upwards through cooperation between threads in the threaded cylinder and the screw rod; and the lifting plate pushes the movable plate to the bottom of the forming die.

The utility model relates to the technical field of atomizer replacement, and discloses an atomizer with an atomizing head convenient to replace, according to the scheme, the atomizer comprises an atomizer body and the atomizing head, four clamping grooves are formed in the outer side of the atomizer body, four sliding holes are formed in the outer side of the atomizing head, and clamping blocks are slidably connected to the inner walls of the four sliding holes; according to the atomizer, the clamping grooves and the clamping blocks are arranged, when the positions of the four magnets coincide with the positions of the four clamping blocks, the clamping blocks can be separated from the interiors of the clamping grooves through magnetic attraction of the magnets, and therefore the atomizer body can be conveniently inserted into the atomizing head; after the inserting work is completed, the operation ring is screwed at will, at the moment, the magnet and the clamping block are staggered, and the clamping block falls into the clamping groove after losing magnetic attraction, so that the firmness of connection between the atomizer body and the atomizing head can be ensured on the premise that installation is convenient and fast, and liquid medicine waste caused by falling off is avoided.

The invention discloses a data transmission method and device, a medium and equipment. And acquiring the acquired remote sensing data. A random number is determined, and a symmetric key of the symmetric cryptographic algorithm is determined based on the random number. And determining data summary information of the remote sensing data, and performing digital signature on the data summary information according to the satellite private key. And encrypting the digitally signed data summary information, the remote sensing data and the satellite public key through the symmetric key to obtain encrypted data. And asymmetrically encrypting the symmetric key through a public key of the ground base station to obtain an encrypted key. And forming a data packet by the encrypted data and the encryption key, and sending the data packet to a ground base station, so that the ground base station decrypts the encryption key in the data packet according to a private key of the ground base station to obtain a symmetric key, and decrypts the encrypted data through the symmetric key to obtain remote sensing data.

The invention discloses a mine paste filling multi-pipeline switching device and method, and relates to the technical field of paste filling switching devices.The mine paste filling multi-pipeline switching device comprises a frame body and an adapter pipe, a first frame plate and a second frame plate which are arranged in parallel are installed on the frame body, an inlet pipe is installed on the first frame plate, and a switching cylinder coaxial with the inlet pipe is installed on the second frame plate; a push disc is installed at the end, close to the inlet pipe, of the switching cylinder, a fixed disc is installed at the end, away from the inlet pipe, of the switching cylinder, a switching cavity is formed between the fixed disc and the push disc, a plurality of outlet pipes which are distributed in the circumferential direction and communicate with the switching cavity are installed on the fixed disc, and a sleeve communicating with the switching cavity is installed on the push disc. A push-pull mechanism used for controlling the push disc to move is installed on the second frame plate, and a rotating mechanism used for controlling the push disc to rotate is installed on the push-pull mechanism. And therefore, the paste filling efficiency and the fluidity in the paste filling process are improved, and the multi-pipeline switching efficiency, operation simplicity and safety are improved.

The invention relates to the technical field of new energy structures, in particular to a self-adaptive deformation sealing structure of a chamber lining and a gas storage chamber. A self-adaptive deformation sealing structure of a chamber lining comprises at least two segmental linings, the segmental linings are arranged at intervals along the lining design position of a chamber, and a construction joint is formed between every two adjacent segmental linings; the two ends of the connecting piece are fixed to the inner walls of the two adjacent segmental linings correspondingly, the connecting piece is provided with a cavity, an opening of the cavity faces the structural joint, and the two adjacent segmental linings are away from each other so that the cavity can be squeezed, and the volume of the cavity can be reduced; and the filling piece is used for filling the structural joint and the cavity. According to the tunnel lining structure, the defects that in the prior art, most chamber linings are divided into blocks, flexible sealing materials are arranged between every two adjacent segment linings, but the flexible sealing materials are prone to being extruded out or torn, and leakage between every two adjacent segment linings is prone to being caused are overcome. The tunnel lining structure overcomes the defects that in the prior art, chamber linings are mostly divided into blocks, and the flexible sealing materials are arranged between every two adjacent segment linings.

The utility model provides a leakproof alkylation reactor, including main reactor, tube pass device and reaction end seal head, tube pass device and reaction end seal head are respectively connected and fixed with main reactor tube pass end and reaction end through sealing connection subassembly, sealing connection subassembly includes butt joint subassembly and sealing subassembly, through setting up the sealing connection subassembly, the butt joint subassembly is connected with the butt joint subassembly through the butt joint subassembly. The main reactor, the tube pass device and the reaction end sealing head are stably and hermetically connected through the butt joint assembly, leakage in the using process is prevented, and the main reactor, the tube pass device and the reaction end sealing head are fixedly connected through the butt joint assembly. The primary sealing effect is achieved through the first sealing ring between the first flange plate and the second flange plate, and the sealing performance of connection between the main reactor and the tube pass device and the reaction end sealing head is enhanced through the arranged sealing assembly, so that the sealing performance of connection is further enhanced, and the overall stability and sealing performance are guaranteed.

The invention relates to the technical field of medical products, in particular to a Luer fitting assembly structure assembled by automatic equipment in the field of medical consumables, and solves the problems that manual operation is generally adopted when Luer and a guide pipe are assembled at present, manual feeding is slow, the guide pipe is not uniformly glued, the assembly efficiency and quality are low, and the assembly cost is low. The device comprises a guide pipe gluing mechanism and a pushing and assembling mechanism, a connector positioning mechanism is installed on the inner side of the pushing and assembling mechanism, a vibration conveying mechanism is installed at the front end of the connector positioning mechanism, the guide pipe gluing mechanism is installed at the rear end of the connector positioning mechanism, and the guide pipe gluing mechanism is installed at the rear end of the connector positioning mechanism. A catheter clamping mechanism is installed on the rear end face of the catheter gluing mechanism. The material pushing and assembling mechanism comprises a supporting frame. The Luer tapers and accessories thereof are automatically fed and assembled, so that the assembling efficiency and quality can be effectively improved, and the situation that workers make contact with the Luer tapers and pollute the Luer tapers is avoided.

The utility model relates to the technical field of medical instruments, and discloses an injector which comprises an injection cylinder and a core rod, a piston is installed at the end of the core rod and connected into the injection cylinder in a sliding mode, a cushion block is arranged on the end face, close to the piston, of the core rod, a buckle is arranged on the side face, close to the tail end, of the injection cylinder, and a buckle sleeve is connected to the surface of the injection cylinder in a sleeved mode. A bolt frame is connected to the retaining ring in a screwed mode, a pintle is connected to a suction nozzle of the syringe in an inserted mode, and the end, close to the suction nozzle of the syringe, of the bolt frame is connected to the pintle in a clamped mode. The syringe solves the problems that in the prior art, a large number of syringes need to be used during daily liquid preparation work, when the liquid preparation amount is large, a large amount of liquid medicine is extracted at a time, the liquid extraction amount can be ignored when a needle cylinder is pulled, consequently, a piston makes contact with the outside world and is polluted, the syringes are wasted, or a needle head on a pintle is inserted into a closed container too tightly, the pintle and the needle cylinder slip off when the pintle is separated, and the syringe cannot be used easily. Therefore, liquid leakage is avoided.

The utility model discloses machining equipment for hub casting, and relates to the technical field. Supporting bottom feet are evenly installed on the lower end face of the machining table, a lower die is arranged over the machining table, a portal frame is installed on the side face of the machining table, an upper die is arranged over the lower die and keeps the same vertical center line, and side dies are arranged over the machining table and located on the left side and the right side of the lower die. The transverse moving assembly is installed on the upper end face of the machining table. The lifting assembly is arranged on the upper end face of the portal frame. According to the utility model, the driving motor can drive the screw rod to rotate, so that the connecting block can drive the side die to oppositely move along with the sliding block along the linear direction of the sliding rail, the side die can be quickly spliced, and the hydraulic cylinder can drive the upper die to move up and down along the linear direction of the sliding rod; and moreover, the formed hub can be conveniently and quickly disassembled subsequently, and the side molds can be connected more tightly through the arranged meshing grooves, so that the situation of liquid leakage is prevented.

The utility model discloses a power battery heat management unit assembly which comprises a shell, a circulating water pump, a heat exchanger, a compressor, a condenser core body and a liquid storage drying filter are installed in the shell, an expansion water tank is further fixed outside the shell, and a circulating water inlet pipeline and a circulating water outlet pipeline are fixed in the shell. A water inlet connecting port of the circulating water inlet pipeline and a water outlet connecting port of the circulating water outlet pipeline are fixed on the shell and are exposed; an outlet of the circulating water pump is communicated with one end of a water flowing channel of the heat exchanger, and the other end of the water flowing channel is communicated with the circulating water outlet pipeline; the circulating water inlet pipeline is provided with a water supplementing opening, and the water outlet of the expansion water tank is communicated with the water supplementing opening through a pipeline. The unit assembly can simplify the work of assembly connection, and is simpler and more convenient to install.

The invention discloses a sealing structure and a water permeability test device, and belongs to the technical field of cable testing, the sealing structure comprises a fixed ring, a movable ring, an elastic sleeve and a flexible strip, the movable ring is rotatably connected with the fixed ring, and the movable ring and the fixed ring are coaxially arranged; the elastic sleeve is arranged in the fixed ring and the movable ring in a penetrating mode and used for being arranged outside a cable in a sleeving mode. The multiple flexible strips are arranged in the circumferential direction of the fixed ring, and the fixed ring and the movable ring are both connected with the flexible strips. Wherein the flexible strip can be tensioned by rotating the movable ring, the periphery of the flexible strip extrudes the outer peripheral side wall of the elastic sleeve, and the inner peripheral side wall of the elastic sleeve and the periphery of the cable can be sealed when the outer peripheral side wall of the elastic sleeve is extruded by the flexible strip, namely, the inner peripheral side wall of the elastic sleeve is attached to the periphery of the cable. According to the sealing structure provided by the invention, disassembly and assembly between the sealing structure and the cable are convenient, and sealing is stable and reliable.

The utility model discloses an explosion-proof oil-immersed current transformer, which belongs to the technical field of oil-immersed current transformers and comprises an insulating porcelain bushing, a flange A is mounted at the bottom end of the insulating porcelain bushing, an expander is mounted at the top end of the insulating porcelain bushing, an oil tank is mounted at the bottom of the flange A, a flange B is mounted at the top of the oil tank, and the flange B is mounted at the bottom of the oil tank. And two sides of the outer wall of the flange B and two sides of the outer wall of the flange A are respectively provided with an annular sealing element. The structure is reasonable, through the arrangement of the annular sealing elements and the protective coating mechanism, the flange B on the oil tank is assembled on the flange A below an insulating porcelain bushing on the oil-immersed current transformer, and the oil-immersed current transformer is assembled on the oil tank through the annular sealing elements; and the annular sealing element is matched with the sealing ring A and the sealing ring B to seal the flange A and the flange B, so that leakage at the mounting position of the oil tank and the insulating porcelain bushing after mounting is avoided as much as possible, the sealing aspect is guaranteed, and the possibility that the oil-immersed current transformer is easy to explode is effectively reduced.

The invention belongs to the technical field of waste battery recycling, and discloses an anti-creeping waste battery recycling device which comprises a vibration mechanism, the vibration mechanism comprises a motor, a rotating wheel is rotationally connected to the motor, and an eccentric wheel is fixedly connected to the side, away from the motor, of the rotating wheel; through cooperation of an eccentric wheel, a screening frame and other structures, disassembly of a main body shell is facilitated, a motor is started to vibrate a placement frame on the screening frame through transmission, the internal structure of a battery is loosened through the frequency and amplitude of vibration, and meanwhile, in the process that the placement frame drives a storage battery main body to move upwards, the storage battery main body is separated from the storage battery main body. The disassembling groove in the storage battery main body collides with the disassembling hammer, disassembling of a shell and an internal structure of the storage battery main body can be accelerated, useful components can be separated from the storage battery main body more easily through vibration and impact, follow-up screening and processing time is shortened, and follow-up regeneration of the useful components of the waste storage battery main body is facilitated.

The utility model discloses constant temperature equipment for cell culture, which comprises a constant temperature box, when a cell culture bottle needs to be placed, the cell culture bottle can be directly inserted between two groups of arc-shaped clamping plates which are oppositely arranged, and the cell culture bottle can be conveniently inserted by virtue of outwards turned arc edges which are integrally formed at the tops of the two groups of arc-shaped clamping plates; arc-shaped clamping plates are extruded through cooperation of telescopic rods and springs, so that the cell culture bottle can be stably fixed between the two groups of arc-shaped clamping plates in the placing groove, the clamping and fixing efficiency of the cell culture bottle is improved, and meanwhile, the cell culture bottle is relatively convenient to take out; a heating device and a refrigerating device in the equipment box are matched with a temperature sensor in the constant-temperature box, so that the temperature in the constant-temperature box is kept at a constant temperature which is convenient for cell culture, and a raised strip on the thermal-insulation box door is matched with a sealing groove in the constant-temperature box to seal the joint of the thermal-insulation box door and the constant-temperature box; therefore, the leakage condition in the culture process can be effectively avoided.

The invention relates to the technical field of flange joints, in particular to a novel flange joint for pipeline connection, which comprises a first mounting pipe and a second mounting pipe, the first mounting pipe comprises a first connecting pipe head, a first movable shell and a first locking ring, and the first movable shell and the first locking ring are slidably mounted on the first connecting pipe head; the first movable shell and the first locking ring are fixedly connected, and the second mounting pipe comprises a second connecting pipe head, a second movable shell and a second locking ring. According to the flange joint, the limiting inserting rods and the limiting inserting holes are arranged for positioning, meanwhile, the elastic inserting heads and the inserting openings are arranged, so that the flange joint can be rapidly installed in an inserting mode when being installed in a closed mode, the situation that the inserted flange joint falls off after being pulled can be effectively avoided due to the fact that the safety anti-falling mechanism is additionally arranged, and the service life of the flange joint is prolonged. And a positioning rod in the safety anti-falling mechanism can effectively limit the elastic plug, so that the safety after locking is improved.

The invention provides a safety valve and pipeline connecting device with high stability. The safety valve and pipeline connecting device comprises a valve seat, a valve seat gasket is arranged on the valve seat, a valve body is arranged above the valve seat, an adjusting component is arranged in the valve body, and a valve element component is arranged in the valve body; the valve element component is provided with a valve clack, clamping springs are arranged on the two sides of the valve clack, a recoil disc is arranged above the valve clack, a guide component is arranged on the recoil disc, when the pressure in a pipeline exceeds a set value, the safety valve can be opened in time, fluid is discharged to reduce the pressure, and the valve element component can ensure the stability of the safety valve in the working process. The opening pressure of the safety valve can be conveniently adjusted through the adjusting component so as to meet different working requirements and pipeline pressure requirements. The valve body and the valve cover are connected through a double-end stud, the valve body pipeline connecting part comprises a valve body pipeline connecting upper portion and a valve body pipeline connecting lower portion which are connected with a pipeline through a flange plate and a connecting plate respectively, and it is guaranteed that the safety valve and the pipeline are connected firmly and reliably and are not prone to loosening.

The invention discloses an automatic photovoltaic panel cleaning device, which belongs to the field of photovoltaic panel cleaning technology, and comprises a base device, a closing device is arranged on the base device, the closing device is used to close and clean the photovoltaic panel, and a collecting device is arranged on the closing device, and the collecting device is used to collect rainwater. The collecting device arranged in the invention can filter rainwater in multiple layers when it rains, collect the filtered rainwater, and use the collected rainwater to wash and scrub the photovoltaic panel, thereby saving water resources; the closing device is opened when there is sunlight, so that the photovoltaic panel fully utilizes solar energy, and is closed when there is no light, and the photovoltaic panel is cleaned; the float mechanism closes the water tank when the water tank is full, so that the collecting device no longer collects rainwater, and the degree of automation is high; the wiping mechanism will only operate when the closing device closes the photovoltaic panel, so as to prevent the photovoltaic panel from being cleaned during solar power generation and prevent leakage.