4221 results about "Top cap" patented technology

Ladders and ladder accessories for articulating ladders are mountable to an upper rung of the ladder and can remain attached to the upper rung while the ladder articulates between collapsed, straight, and step ladder configurations without binding or engaging other rungs. The accessories can be top caps configured to hold tools and parts while the user climbs and stands on the ladder. The accessories can be removed from the ladder without damage to the accessory or the ladder, thereby enabling retrofitting ladders with the accessory or moving the accessory to different rungs or positions on the same ladder. Some accessories can have more than one body portion, and a portion can therefore pivot relative to another portion to enlarge the working platform offered by the accessory and to provide additional surfaces for temporarily supporting the accessory parts on the ladder rungs.

A safety barrier system including a plurality of barrier assemblies, each barrier assembly having a barrier panel assembly including a rectangular barrier mesh supported by an upper edge binding member, a lower edge binding member, a pair of left stiffeners and a pair of right stiffeners wherein the pair of left stiffeners capture a left edge of the rectangular barrier mesh and the pair of right stiffeners capture a right edge of the rectangular barrier mesh. Each barrier assembly includes a barrier support pole having an upper pole end, a lower pole end opposite the upper pole end, the lower pole end engageable with a ground insert for allowing rotation of the barrier support pole and opposing first and second retention slots, each of the first and second retention slots extending from the upper pole end to the lower pole end, the first retention slot parallel to the second retention slot. Each barrier assembly includes a top cap for engaging the upper pole end and securing at least one of the pair of left stiffeners or the pair of right stiffeners in one of the first or second retention slot and a panel stop engaged with the first and second retention slot along a lower portion of the barrier support pole, the panel stop for supporting the lower edge binding member of the barrier panel assembly.

The invention discloses multifunctional lead brick extrusion equipment with a replaceable mold, relates to the technical field of lead processing, and aims to solve the problems of production stagnation and economic loss caused by idle equipment due to long consumed time of the whole process when the mold is replaced in the prior art, the multifunctional lead brick extrusion equipment comprises a base, and the top of the base is fixedly connected with a plurality of guide frames; the outer wall of the guide frame is slidably connected with a pair of symmetrically arranged extrusion plates, the bottom of the extrusion plate on the lower side is fixedly connected with the top of the base, the top of the guide frame is fixedly connected with a top cover, and the bottom of the top cover is fixedly connected with a hydraulic rod; and the other end of the hydraulic rod is fixedly connected with the top of the extrusion plate on the upper side, a pair of piston cylinders are arranged on the top of the base, and corresponding molds are arranged on the opposite faces between the extrusion plates. The method has the advantage that the idle time of equipment caused by die replacement is greatly shortened.

The invention provides an end cover assembly, an energy storage device and electric equipment. The end cover assembly comprises a top cover, the top cover is provided with a first surface and a second surface which are oppositely arranged, the top cover is further provided with a groove, and the groove is located in the second surface; and the lower plastic cement is arranged on the second surface side of the top cover, the lower plastic cement comprises a plastic cement body and a convex column, the convex column is convexly arranged on one side, facing the top cover, of the plastic cement body, and the convex column is accommodated in the groove and is connected with the top cover.

The container comprises a container body, top covers and a sealing structure, the container body comprises a top plate, a feeding port is formed in the top plate, the top covers are connected to the top plate in a pivoted mode, the top covers can be closed to the feeding port in an openable mode, the number of the top covers is at least two in the first direction, and the pivoting directions of all the top covers are the same. The top cover comprises a cover plate body and a frame structure arranged on the outer periphery of the cover plate body. The frame structure comprises two transverse parts arranged in the first direction and two longitudinal parts arranged in the second direction. Sealing lap joint between the top covers and the top plate is achieved through the transverse parts, sealing lap joint between the adjacent top covers is achieved through the longitudinal parts, a sealing waterproof area is formed, the sealing waterproof structure is simplified, water can be rapidly drained, rainwater is prevented from flowing into the box body along the joints of the adjacent top covers, goods are prevented from being affected with damp or damaged by water, and the service life of the box body is prolonged. And the sealing performance of the top cover is ensured.

The invention relates to the technical field of batteries, and provides a top cover assembly, a battery cell and a battery pack, the top cover assembly comprises a top cover body, a pole and an explosion-proof valve; a first through hole and a second through hole which penetrate through the top cover body are formed in the top cover body, and the first through hole and the second through hole are arranged at an interval in the length direction of the top cover body; in the area where the second through hole is located, the top cover body is bent to form a boss protruding towards one side. The second through hole is a countersink hole and comprises a countersink part and a through hole part which are coaxially arranged, and the countersink part is communicated with the outer side of the boss; the pole penetrates through the first through hole and is electrically connected with the tab of the battery cell; the anti-explosion valve is installed on the inner wall of the through hole part. According to the invention, the mechanical strength of the battery cell can be improved, the heat dissipation efficiency of the battery cell is improved, the use temperature of the battery cell is controlled, and the anti-explosion valve is mounted on the inner wall of the through hole part in a settling manner, so that the pole and the anti-explosion valve are effectively protected, and the safety performance of the battery cell is improved.

The invention provides a cover plate assembly and a battery cell. The cover plate assembly comprises a top cover sheet, a fixing ring, an anti-explosion valve, a sealing element and a pressing ring, the top cover piece is provided with an anti-explosion hole penetrating in the first direction, and the inner wall of the anti-explosion hole is provided with a first limiting step. The fixing ring is fixedly connected with the top cover piece, an assembly space communicated with the explosion-proof hole is formed between the fixing ring and the top cover piece, and a notch which is sunken inwards in the radial direction of the fixing ring is formed in the inner edge of the fixing ring; the anti-explosion valve is positioned in the anti-explosion hole and is pressed on the first limiting step; the sealing element is positioned in the anti-explosion hole and is pressed on the anti-explosion valve; the outer edge of the pressing ring is provided with a stopping body extending outwards in the radial direction of the pressing ring. When the backstop body directly faces the notch in the first direction, the pressing ring can pass through the fixing ring; and when the stopping body and the notch are staggered, the fixing ring stops the pressing ring, so that the pressing ring is clamped in the assembly space. The problem that the explosion-proof valve of the battery cell cannot be disassembled after being assembled in the prior art is solved.

The ladder safety device may comprise a top cap cover and a top step guard. The ladder safety device may be a safety device configured for use on a step ladder. The top cap cover may be operable to cover a top cap of the step ladder and may be adapted to prevent a worker from stepping onto the top cap. The top step guard may be operable to block access to a top step of the step ladder and may be adapted to prevent the worker from stepping onto the top step. The top cap cover may be configured to hold tools and supplies. The top cap cover and the top step guard may be retained on the step ladder by a plurality of straps.

The utility model relates to water supply equipment, and relates to the technical field of household appliances. According to the support, the support comprises a base, a top cover and a back plate, the top cover and the base are arranged in a spaced mode, the back plate is connected with the base and the top cover, a water outlet is formed in the top cover, and a bearing face used for bearing a water container is arranged on the base. The bearing surface is arranged to enable the top of the water container to be obliquely arranged towards the back plate relative to the bottom of the water container; the water level detection assembly is arranged on the back plate and close to the top end of the water container, and the water level detection assembly is used for detecting the water level in the water container. The refrigerator has the beneficial effects that the water level detection assembly is arranged to achieve detection of the water amount in the water container, and then the phenomenon that water flows around in the refrigerator can be improved.

The invention relates to the technical field of cable or wire installation, and discloses a bus duct, which comprises a shell, a heat dissipation plate and a conductor, and is characterized in that the shell comprises a top cover part, a partition plate part and a base part, the partition plate part is provided with a heat dissipation cavity penetrating through the upper side and the lower side of the partition plate part, the top cover part is provided with a first through hole, and the base part is provided with a second through hole; rainwater can pass through the first through hole and the second through hole; the heat dissipation plates are arranged on the two sides of the partition plate part, and two containing cavities are formed between the heat dissipation plates and the shell. The number of the conductors is four, the four conductors are divided into two groups and penetrate through the two containing cavities in a one-to-one correspondence mode, the two conductors in each group are the first conductor and the second conductor respectively, one side of the first conductor is attached to the heat dissipation plate, and one side of the second conductor is attached to the outer wall of the partition plate part; the shell further comprises grounding parts which are arranged at the two ends of the partition plate part and located between the two sets of conductors. The heat dissipation function of the bus duct can be improved, the use effect of the bus duct is ensured, and the bus duct is prevented from being damaged by rainwater.

The utility model provides a top cover subassembly, battery cell and battery pack, the top cover subassembly includes cover plate, pole post plate and sealant, the cover plate is equipped with the through hole, the through hole is used for intercommunication with the inside of battery cell, pole post plate is installed on the cover plate and covers the through hole, and the pole post plate is equipped with the first glue overflow groove at the position corresponding to the through hole, the notch of the first glue overflow groove faces towards the through hole, and the sealant is arranged in the first glue overflow groove. The sealing glue is clamped between the cover plate and the pole column plate, and the first glue overflowing groove is partially filled with the sealing glue. According to the top cover assembly provided by the utility model, the technical problem that the sealant in the existing top cover assembly is easy to overflow through the through hole in the cover plate can be solved.

A platform assembly is provided with at least one foldable and deployable handle. The handle can be operated to a storage position lying between upper and lower surfaces of the upper platform of the assembly. When deployed, the handle can provide a handhold, top cap, and other features to users who are on the upper platform or who are climbing onto the upper platform. Leg assemblies of the platform can be operable between folded and deployed states, and feet of the leg assemblies can be deployed to widen the stance of the platform or folded to reduce the overall width and volumetric envelope within which the platform resides.

The utility model relates to the technical field of batteries, in particular to a top cover assembly, a battery monomer and a battery assembly. The top cover assembly comprises an insulating sheet, a top cover sheet, a negative electrode assembly and a positive electrode assembly, the insulating sheet comprises a first through hole and a second through hole, the top cover sheet comprises a negative electrode part corresponding to the first through hole, a positive electrode part corresponding to the second through hole and a remaining main body part, and the negative electrode assembly is installed on the negative electrode part; the positive electrode part comprises at least one convex part which protrudes towards the direction far away from the insulating sheet relative to the main body part, and the convex part forms the positive electrode assembly; the end surface of one end, far away from the insulating sheet, of the convex part is flush with the end surface of one end, far away from the insulating sheet, of the negative electrode assembly; and the outer convex part and the main body part are integrally formed. The outer convex part formed by stamping the top cover plate is used as the positive electrode, and a sealing ring, a positive electrode terminal, positive electrode upper plastic and other parts in a conventional structure are omitted, so that the cost is greatly reduced.

The invention discloses a pumped storage power station water turbine top cover bolt fault alarm system and an alarm method, relates to the technical field of fault monitoring, and is used for monitoring stress and temperature data of top cover bolts through grating stress sensors in the top cover bolts. The method comprises the following steps: performing feature extraction on stress and temperature data to obtain the feature quantity of each bolt, and storing the feature quantity of each bolt to a current cache region Ai of a feature quantity cache region; the working condition of each top cover bolt and the working condition of the unit in the cache region A (i-1) are judged according to the bolt characteristic quantity data of the current cache region Ai and the adjacent cache region A (i-1) and cache region A (i-2), the working state of each unit is judged according to the bolt characteristic quantity data and the working condition data in the cache region A (i-1), and an alarm signal is sent out. And meanwhile, a threshold prediction model is established according to the convolutional neural network to output the optimized latest alarm threshold and send the optimized latest alarm threshold to an early warning rule base.

The invention discloses processing equipment for fuel cell production, and relates to the technical field of cell processing, the processing equipment comprises a tank body and a stirring mechanism, the top of the tank body is provided with a top cover, the stirring mechanism is installed on the top cover and is used for stirring slurry in the tank body, the tank wall, close to the top, of the tank body is provided with a circle of convex expansion layer, and the expansion layer is arranged on the bottom of the tank body. The agglomerated slurry at the bottom of the tank body is pushed into the conveying barrel through the material pushing plate, is conveyed upwards to the top through the auger blade and is then pressed, twisted and crushed through the pressing and twisting plate, and agglomerated materials floating on the liquid level and close to the tank wall are conveyed into the conveying barrel through the material pushing plate. The slurry sprayed by the material spraying pipe is used for pushing the slurry to move towards the center of the liquid level, and enters a high-shear area of the stirring blade to participate in stirring and mixing, so that the agglomeration phenomenon of the slurry during stirring is effectively eliminated through the up-and-down combination and circular treatment mode, the catalyst slurry is mixed more uniformly, and the product quality is improved.

The utility model relates to the technical field of sand screening machines, in particular to a vibration swing type sand screening machine for molding sand. According to the technical scheme, a discharging hopper is installed on a base, a sieve tray is installed on the discharging hopper, a discharging pipe is arranged on one side of the sieve tray, a top cover is installed at the top end of the sieve tray, a support is elastically installed on the base through a spring, and vibration motors are installed on the two sides of the support. An upper sealing strip and a lower sealing strip are respectively arranged on convex edges at the upper end and the lower end of the sieve tray, a positioning hole is formed in the upper sealing strip, and a positioning block is arranged on the lower sealing strip. The upper sealing strip and the lower sealing strip are respectively arranged on the convex edges at the upper end and the lower end of the sieve tray, and are matched with each other through the positioning blocks and the positioning holes to realize quick limiting and butt joint, so that the tight sealing between the sieve trays is realized. And the hoop is clamped and fixed with the convex edge of the sieve tray through the clamping groove, so that stable connection can be provided, and the sieve tray is ensured not to loosen or fall off in the vibration process.

The utility model discloses a mine paste filling powder batching device and method. The mine paste filling powder batching device comprises a silo, a silo top cover is arranged at the top of the silo, a dust remover and a safety valve are arranged on the silo top cover, a feeding port is formed in the upper portion of the silo and connected with a feeding pipe, and the bottom end of the silo is connected with an upper port of a silo cone. A lower port of the bin cone is connected with one end of a feeding pipe through a pneumatic butterfly valve A and a tubular flexible connector A, the other end of the feeding pipe is connected with a hopper top cover of a hopper barrel, the bottom end of the hopper barrel is connected with an upper port of a hopper cone, and a lower port of the hopper cone is connected with a feeding port of a spiral conveyor through a pneumatic butterfly valve B and a tubular flexible connector B; one end of the breathing pipe is connected with the side face of the feeding pipe, and the other end of the breathing pipe is connected with the hole opening of the hopper top cover; and a plurality of flow aiding devices are arranged on the cone wall of the bin cone and / or the cone wall of the hopper cone.

The invention discloses a water pump reinforced buffer structure which comprises a pump body, a water inlet pipe, a water inlet cavity, a water outlet cavity and a water outlet pipe are arranged on the pump body, a first one-way valve is arranged between the water inlet pipe and the water inlet cavity, a water pumping driving device is arranged in the water inlet cavity, and a second one-way valve is arranged between the water inlet cavity and the water outlet cavity. A buffer cavity is arranged between the water outlet cavity and the water outlet pipe; a water inlet communicated with the water outlet cavity is formed in the bottom of the buffer cavity, a water outlet communicated with the water outlet pipe is formed in the side wall of the buffer cavity, an opening is formed in the top of the buffer cavity, and an elastic buffer sheet is arranged at the opening; a top cover is further arranged on the upper side of the buffering piece, the top cover is detachably installed at the opening and presses the periphery of the buffering piece from the upper portion, and a buffering spring which elastically abuts against the buffering piece downwards is arranged between the top cover and the buffering piece. The buffering device has the advantages of being simple in structure, low in noise and good in buffering effect.

The utility model belongs to the technical field of riveting processing, and particularly relates to an aluminum back plate processing rivet riveting die, which comprises a base, an ejector pin, an ejector rod, a riveting rod, a riveting rod, a riveting rod, a riveting rod and a riveting rod, and is characterized in that the top surface of the base is provided with a placing groove and an avoiding groove; the positioning die is placed in the containing groove, a positioning groove used for containing the aluminum back plate is machined in the top face of the positioning die, a riveting hole communicated with the positioning groove is further machined in the positioning die, and the riveting hole right faces the ejector pin; the top cover is hinged to the base, an operation hole is machined in the top cover, and a limiting block used for pressing an aluminum back plate is fixed to the inner wall of the operation hole; the aluminum back plate is positioned and placed through the positioning die, the top cover is matched with the base to clamp the positioning die after being closed, the stability of the positioning die is ensured, the positioning die can be taken down to be replaced after the top cover is opened, and the aluminum back plate positioning device is suitable for aluminum back plates of different shapes, wide in application range and beneficial to improving production efficiency.

The utility model discloses a stem cell storage tank convenient for automatic filling of liquid nitrogen, which relates to the technical field of stem cell storage and comprises a tank body, supporting legs, a locking mechanism and an automatic filling component. The supporting legs are fixedly arranged at the bottom of the tank body; the top of the tank body is rotationally connected with a top cover; the locking mechanism is fixedly arranged on the top of the top cover and used for rapidly locking the top cover. According to the liquid level meter, the position of the floating ball on the liquid level meter is changed along with the change of the liquid level, and when the floating ball drops to the bottommost part, the control panel can send out an alarm signal. And then, the low-temperature electromagnetic valve is automatically opened, and liquid nitrogen flows into the tank body through the liquid nitrogen valve to be supplied. And meanwhile, a temperature sensor arranged in the device continuously monitors the temperature in the tank body. According to the system, the filling process of liquid nitrogen can be automatically regulated and controlled, the burden of operators is effectively relieved, timely and accurate liquid nitrogen supply is ensured, and the overall operation efficiency and safety are improved.

The utility model provides a pole, a top cover assembly, a battery monomer, a battery and a power utilization device, and relates to the technical field of batteries, the pole comprises at least one first connecting part and at least two second connecting parts, along a second direction, the first connecting part has a third surface; the at least two second connecting parts are used for being connected with the tabs, each second connecting part comprises a main body part and a first flanging part, each first flanging part is connected to one end face, in the second direction, of the corresponding main body part and extends towards the corresponding first connecting part, each first flanging part is connected with the corresponding first connecting part, and each first flanging part is provided with a fourth face in the second direction; and the fourth surface and the third surface are positioned on the same side in the height direction of the post terminal, are positioned on the same plane and form a second surface. Therefore, the processing of the pole is more convenient, and the size of the pole in the width direction can be reduced.

A cell top cover and a battery. The cell top cover comprises a cover plate body (1) provided with a first mounting through hole (11), a riveting block (2) provided with a second mounting through hole (21), and a terminal post (3), wherein the terminal post (3) comprises a limiting portion (31) and a main body portion (32). The limiting portion (31) abuts against the side of the cover plate body (1) facing away from the riveting block (2). The main body portion (32) is inserted into the first mounting through hole (11) and the second mounting through hole (21), and is provided with a groove (34) on the side facing away from the limiting portion (31) to form a connecting flange (33) riveted to the riveting block (2), wherein the length dimension of the connecting flange (33) is defined as a, the thickness dimension of the connecting flange (33) is defined as b, the length dimension a satisfies a ≥ 1 mm, the thickness dimension b satisfies b ≥ 0.5 mm, and 1 mm ≤ a / b ≤ 3 mm.

The battery cell is provided with a shell, the shell comprises a shell body and a top cover, at least one of two opposite ends of the shell body is provided with an opening, the top cover covers the opening, an explosion-proof valve is arranged on the top cover, the insulating film assembly comprises a first insulating film, the first insulating film comprises a body part and a shielding part, the shielding part is arranged on the body part, and the first insulating film is arranged on the shielding part. The body part wraps the peripheral wall of the shell body, the shielding part is connected with the end, close to the top cover, of the body part, and the shielding part is used for being folded towards the top cover and attached to the outer side of the anti-explosion valve. According to the insulating film assembly for the battery cell, the shell body and the anti-explosion valve can be protected, the safety performance of the battery cell is ensured, and the production cost is reduced.

The invention relates to the technical field of batteries, and provides a top cover assembly, a battery cell and a battery pack, the top cover assembly comprises a top cover body, a pole and an explosion-proof valve; a first through hole and a second through hole which penetrate through the top cover body are formed in the top cover body, and the first through hole and the second through hole are arranged at an interval in the length direction of the top cover body; in the area where the second through hole is located, the top cover body is bent to form a boss protruding towards one side. The pole penetrates through the first through hole and is electrically connected with the tab of the battery cell; the anti-explosion valve is mounted in the second through hole and is positioned beside the pole; wherein a rib is arranged on one side, deviating from the tab, of the boss, and the rib is arranged on the side of the anti-explosion valve. The structural strength of the top cover assembly can be enhanced, the mechanical strength of the battery cell is further improved, the heat dissipation area of the top cover body and the pasting area of the heat conduction layer are increased, the heat dissipation efficiency of the battery cell is improved, the use temperature of the battery cell is controlled, and the safety performance of the battery cell is improved.

The utility model discloses a part packaging device and part packaging equipment. The part packaging device comprises a base plate, the base plate is provided with a bottom bearing cavity and a bottom containing cavity which are communicated with each other, and the bottom bearing cavity is formed by at least part of the top of the bottom containing cavity through radial expansion; the bottom face of the bottom bearing cavity is connected with the wall face of the bottom containing cavity and extends in the radial direction towards the outside of the bottom containing cavity, and the bottom face of the bottom bearing cavity is used for bearing parts. The side, away from the bottom bearing cavity, of the bottom containing cavity expands in the radial direction to form an avoiding cavity. And the top cover is used for covering the part placed in the chassis, and the top cover is provided with a top containing cavity for containing the top of the part. The parts are transported and stored safely, the quality is guaranteed, and the part packaging device is not prone to being abraded, so that the part packaging device can be recycled.

The utility model discloses an extremely simple injection-molded top cover structure of a square battery, which relates to the technical field of batteries, and comprises a top cover sheet, a positive pole assembly, a negative pole assembly and a lower insulating plate, a positive pole mounting hole and a negative pole mounting hole are symmetrically formed at two ends of the top cover sheet, the positive pole assembly is welded on the positive pole mounting hole, and the negative pole assembly is welded on the negative pole mounting hole. The negative electrode assembly is welded on the negative electrode mounting hole, and a lower insulating plate is fixedly arranged below the top cover plate. According to the design, a larger space can be provided for the pole within the limited area of the top cover plate, so that the size of the pole can be expanded, the overcurrent capacity of the battery cell is improved, and the safety of the battery cell is ensured.

The invention discloses a full-automatic welding machine for a lithium battery anti-explosion piece. The full-automatic welding machine comprises a top cover feeding device, a laser welding device arranged at one end of the top cover feeding device and a welding bead detection device arranged at one end of the laser welding device. The top cover feeding device comprises a top cover conveying mechanism, a top cover stock bin mechanism arranged on one side of the top cover conveying mechanism, a top cover transferring mechanism arranged at one end of the top cover conveying mechanism, a laser marking mechanism and a defective product transferring mechanism, wherein the laser marking mechanism and the defective product transferring mechanism are arranged on the other side of the top cover conveying mechanism. A first visual inspection mechanism and a second visual inspection mechanism are further arranged between the top cover conveying mechanism and the top cover stock bin mechanism. A series of procedures such as automatic feeding, assembling and welding of the battery top cover and the anti-explosion piece, weld bead detecting and cleaning, shaping and discharging can be achieved, the automation degree is high, and the working efficiency is high.

The utility model relates to the technical field of rubber sealing ring production, and discloses a shaping device for rubber sealing ring production, which comprises a processing table, and a water storage tank is arranged at the top of the processing table; the supporting rod is arranged at the top of the machining table; and the top cover is arranged at the top of the supporting rod. The hydraulic cylinder is started, the hydraulic cylinder operates to drive the heating plate and the upper die block to move, when the upper die block is matched with the lower die block, the heating plate is started to heat the upper die block, so that a gap of a die is tightly filled with a rubber material, after the rubber material forms a required shape, the upper die block and the heating plate are recycled, and the water pump is started again. The water pump operates to suck water in the water storage tank through the water suction pipe, then the water is conveyed into the splitter plate through the water conveying pipe, and the water is sprayed out through the spray head to cool a rubber material, so that the effect of rapidly cooling the rubber sealing ring to maintain the shape and performance of the rubber sealing ring is achieved.