19results about How to "Protective tightness" patented technology

The invention discloses a vehicle-mounted protective cover control method and related equipment, and relates to the technical field of vehicle equipment.The method comprises the steps that in response to a protective cover opening instruction, a first cover door is opened; when the first cover door is opened to a first preset angle, the second cover door is opened; when the first cover door and the second cover door are both opened to be larger than or equal to a second preset angle, the protective cover body is opened, and the second preset angle is larger than the first preset angle; in response to the protective cover closing instruction, performing closing operation on the protective cover body; when the cover body is closed to a preset closing position, the second cover door is closed; and when the second cover door is closed to a third preset angle, the first cover door is closed. The opening or closing sequence and angle of the cover door are accurately controlled, a new synchronous control strategy is provided, and the beneficial effects of avoiding conflicts, protecting the sealing covered edge, improving the operation safety and the like are achieved while stable movement of the protective cover is guaranteed.

The utility model discloses a quick assembly structure of a reinforced sheet-pile wall, which relates to the technical field of sheet-pile walls and comprises a foundation pile and a main pile, the foundation pile is arranged under the ground, the main pile is arranged on the inner side of the foundation pile, and the upper half part of the main pile extends to the outer side of the top end of the foundation pile; the soil retaining plates are prefabricated type soil retaining plates, and the soil retaining plates are arranged between the two main piles in an up-down stacking state; the sealing plates are horizontally arranged at the top ends of the main pile and the breast boards; and the sealing and reinforcing assembly is arranged between the two main piles, is adjacent to the soil retaining plates and is used for enabling the soil retaining plates to be tightly connected between the main piles in an abutting mode to form a sealing state, and the sealing and reinforcing assembly is arranged between the two main piles, is adjacent to the soil retaining plates and is used for enabling the soil retaining plates to be tightly connected between the main piles in an abutting mode. According to the quick assembly structure of the reinforced sheet-pile wall, the reinforcing and sealing effects on the breast boards are achieved, lateral permeation of soil is prevented, the stability of the sheet-pile wall is effectively improved, and the service life of the sheet-pile wall is effectively prolonged.

A fully sealed structure for a gimbal pod and a gimbal pod, the fully sealed structure comprises: a gimbal base, a gimbal fixing frame, a gimbal rotating assembly, a gimbal front cover, a gimbal rear cover, a gimbal rotating frame and a first sealing ring; the gimbal rotating assembly is mounted on the gimbal fixing frame, and the gimbal front cover is rotatably mounted on the gimbal fixing frame through the gimbal rotating assembly; the gimbal front cover and / or the gimbal rear cover are provided with a frame accommodating cavity; the gimbal front cover and the gimbal rear cover cooperate to seal the gimbal rotating frame in the frame accommodating cavity; the first sealing ring is arranged in the first sealing groove and is pressed by the first pressing surface; the gimbal pod comprises: a fully sealed structure and a gimbal mounting seat; the fully sealed structure is mounted on the gimbal mounting seat. The fully sealed structure is used in the gimbal pod, and the first sealing ring is arranged at the connection position of the gimbal front cover and the gimbal rear cover to effectively seal the interior of the gimbal front cover and the gimbal rear cover, which can effectively protect the sealing of the interior of the gimbal and prevent the fluid from affecting the normal use of the gimbal.

This application discloses a GIS high-voltage switch housing with a safety protection structure for use in the field of high-voltage switches. This switch housing, through the inclusion of a sealing protection mechanism, allows the mechanism to monitor the sealing performance of the main housing. If a problem occurs in the sealing performance of the main housing, leading to SF6 failure... 6 When a gas leak occurs, the trigger board will activate the leak detection switch, causing the alert control module to activate the alarm and alert the staff. This allows staff to detect the gas leak in a timely manner and prompts them to conduct appropriate inspections and maintenance. This provides a protective effect, reducing the impact of problems with the casing's sealing. Furthermore, through the installation of gas sensors and gas analysis modules, when the leak detection switch is triggered, the sealing protection mechanism will also perform a self-check on its internal sealing to prevent false alarms. This avoids misleading staff and greatly improves practicality.

The application provides a horizontal food steaming and sterilizing pot, and belongs to the technical field of steaming and sterilizing pots, which comprises a horizontal pot body and a lower pot seat mechanism, the lower pot seat mechanism is installed at the bottom of the outer side wall of the horizontal pot body, and one end of the horizontal pot body is provided with a sealing cover mechanism; the lower pot seat mechanism is started to move downward, the bottom of the steaming and sterilizing pot is opened, the height of the lower pot seat mechanism is leveled with the ground, the sterilizing rack loaded with food is directly pushed onto the lower pot seat mechanism, then the lower pot seat mechanism is reset by being started again, the sealing cover mechanism is started to buckle and fix between the horizontal pot body and the lower pot seat mechanism, the feeding and sealing operations can be completed, the demand for manpower and the bracket type transfer tool is reduced, the feeding and discharging operation efficiency is improved, manual pushing operation is not needed, the manpower consumption is further reduced, and the inner wall of the sterilizing pot can be effectively prevented from being bumped during the pushing process.

The invention relates to the technical field of can damage prevention conveying, in particular to a can damage prevention conveying device which comprises a conveying vehicle, storage boxes are symmetrically and fixedly connected to the top of the conveying vehicle, cushions are fixedly connected to the inner sides of the storage boxes, and a plurality of cans are placed on the inner sides of the cushions; first fixing frames are fixedly connected to the front side and the rear side of the top of the conveying vehicle, electric telescopic rods are fixedly connected to the inner sides of the tops of the first fixing frames, second fixing frames are fixedly connected to the output ends of the electric telescopic rods, pushing pieces are fixedly connected to the bottoms of the two sides of the second fixing frames, and tank bodies can be separated when the pushing pieces are pressed downwards; therefore, direct collision caused by mutual attaching of the can bodies in the conveying process can be effectively avoided, damage such as scratches and pits on the surfaces of the can bodies is reduced, the can bodies with the surfaces coated with protective layers or labeled can be prevented from being damaged by collision through the pushing piece, and the appearance neatness and information integrity of products are kept.

The invention relates to the technical field of automobile lamps, and particularly discloses an LED automobile lamp with a good waterproof sealing effect, which comprises a shell, a partition plate is mounted in the shell, a heat conducting plate is mounted on the right side wall of the partition plate, a lamp holder is mounted on the right side wall of the heat conducting plate, and lamp beads are mounted on the outer side wall of the lamp holder. A plurality of heat conduction pipes which penetrate through the partition plate and are fixedly connected with the partition plate are installed on the left side wall of the heat conduction plate, the left ends of the heat conduction pipes extend to the left side of the partition plate, a plurality of evenly-distributed cooling fins are installed on the outer side walls of the heat conduction pipes in a penetrating mode, and ventilation holes are formed in the upper end of the left side wall of the partition plate in a penetrating mode; according to the automobile lamp, the waterproof sealing performance of the automobile lamp is effectively improved, meanwhile, the effect of rapidly dissipating heat of the automobile lamp is achieved, and the service life of the automobile lamp is prolonged.

The invention provides a sealing structure of an anti-corrosion centrifugal pump and a centrifugal pump, and relates to the technical field of sealing of centrifugal pumps, the sealing structure of the anti-corrosion centrifugal pump and the centrifugal pump comprise a movable ring synchronously rotating with a pump shaft, a static ring assembly, a shaft sleeve, a push ring, a spring and a protection device; the movable ring, the static ring assembly, the push ring and the spring are sequentially arranged on the shaft sleeve. The protection device is arranged on the static ring assembly and used for isolating a medium from the static ring assembly and reducing medium erosion, the shaft sleeve is arranged on the pump shaft in a sealing cavity formed by the pump body and the pump cover, the pump shaft penetrates through the sealing cavity and is matched with the static ring assembly and the movable ring, and the static ring assembly comprises a static ring seat, a static ring and a sealing ring. The sealing structure has the advantages that the anti-corrosion capacity of the sealing structure is effectively improved, and the service life of the sealing structure is prolonged.

The utility model relates to the technical field of machining, in particular to a cutter for solving the sealing problem of a pressing shell. The tool comprises a tool handle, a tool apron and a tool bit, the two groups of tool bits are fixed on the tool apron; the tool apron is used for being connected with the tool handle and is of a central symmetry structure. After the cutter holder is connected with the cutter handle, the two groups of cutter heads arranged on the cutter holder are symmetrically arranged relative to the axis of the cutter handle; the cutter handle is connected with a spindle of a machining center. And the machining center drives the main shaft to rotate so as to drive the cutter to rotate at a high speed to machine the to-be-machined pressing shell. The tool bit comprises a flat machining part and a convex machining part; the convex machining parts are arranged on the side, close to the symmetry axis, of the flat machining part, the flat machining part is used for machining a pipe orifice face, and the convex machining parts are used for machining sealing grooves; the pipe orifice surface and the sealing groove are formed by one-step processing; the machining efficiency is improved, the machining precision is guaranteed, and the working procedure capability is greatly improved.

The invention is applicable to the field of radiators, and provides an embedded radiator, which comprises a radiating bottom plate, an embedded groove recessed inwards from the top surface of the radiating bottom plate, and a heat absorption surface arranged on the bottom surface of the embedded groove; the heat pipe is in a flat shape, the heat pipe is contained in the inlaying groove, the heat pipe comprises an evaporation section and a condensation section which are oppositely arranged, and the evaporation section is connected to the heat absorption surface; and the radiating fins are connected to the condensation sections of the heat pipes in a surface-mounted welding manner. According to the embedded radiator, the heat pipe is arranged to be flat and embedded in the embedding groove of the radiating bottom plate, and the radiating fins are welded to the heat pipe in a surface-mounted mode, so that the embedded radiator is of an integrated structure, and solder thermal resistance and air gaps can be effectively eliminated. The evaporation section of the heat pipe is directly connected to the heat absorption face of the heat dissipation bottom plate, the heat transfer path from the chip to the heat pipe can be shortened, the transverse heat resistance of the heat dissipation bottom plate is reduced, rapid activation of the heat pipe is achieved, and center heat accumulation is reduced. The heat dissipation fins and the condensation section are welded in a surface-mounted mode, contact thermal resistance between the heat dissipation fins and the condensation section can be reduced, and heat dissipation efficiency can be improved.

The application discloses a cutter tower with separable cutter disc and cutting water pipe, comprising a box body, a cutting water pipe, an elastic element, a limiting structure, a cutter disc and a driving mechanism. The limiting structure is arranged in the main cutting water passage and is used for limiting the moving range of the cutting water pipe during tool changing, so that the cutting water pipe is prevented from moving excessively with the cutter disc. A separation gap S is formed between the cutting water pipe and the cutter disc, and the cutting water pipe and the cutter disc are no longer in direct mechanical contact. During the whole rotating tool changing process, since there is no contact friction, the fine chips carried in the cutting fluid cannot be squeezed onto the contact surface of the cutting water pipe and the cutter disc due to the friction, so that the sealing surface of the front end of the cutting water pipe is effectively prevented from being scratched by the chips, the sealing performance of the cutting water pipe is protected, and cutting fluid leakage in the subsequent working state is prevented. Meanwhile, the abrasion of the cutting water pipe is reduced, and the problems of accelerated abrasion of the cutting water pipe, shortened service life and high replacement frequency caused by hard friction in the prior art are avoided.

This invention relates to a rapid disassembly and assembly method for fuel cell stacks, belonging to the field of fuel cell technology. The method uses a disassembly and assembly module composed of pull plates and lifting devices to disassemble and replace faulty battery unit modules in a fuel cell stack. Specifically, it includes the following steps: installing pull plates on adjacent modules of the faulty battery unit module; placing lifting devices on both sides of the faulty battery unit module, with the mounting surface and working surface of the lifting devices abutting against the pull plates on both sides; activating the lifting devices to drive the adjacent modules of the faulty battery unit module away from each other, leaving space between the adjacent modules for battery unit module replacement; replacing the faulty battery unit module, removing the lifting devices, and restoring the fuel cell stack. Compared with existing technologies, this invention can achieve rapid disassembly and replacement of faulty battery unit modules inside a fuel cell stack without compromising the overall pre-tightening force and airtightness of the stack.

The utility model discloses a semi-immersed electrode steam boiler capable of stably operating, which realizes stable and safe operation of the boiler. The boiler inner cylinder (2) is arranged on the upper middle portion in the boiler outer cylinder (1), inner cylinder demineralized water (4) is arranged in the boiler inner cylinder (2), outer cylinder demineralized water (12) is arranged on the lower portion in the boiler outer cylinder (1), an electrode insulating base (17) is arranged at the top end of the boiler outer cylinder (1), a porcelain insulator (18) and a conducting rod (19) are arranged on the electrode insulating base (17), and an electrode (3) is connected to the lower end of the conducting rod (19). A porcelain insulator annular tray (20) is arranged in the middle of a conducting rod (19) in a boiler outer barrel (1), an anti-discharge annular fan cover (21) is arranged on the porcelain insulator annular tray, and the lower end of a porcelain insulator (18) is arranged above the anti-discharge annular fan cover. And the discharge phenomenon in the operation of the electrode steam boiler is greatly reduced.

The present invention discloses a high-viscosity glue micro-metering valve for a glue dispensing machine, which solves the technical problems in the prior art that when a glue dispensing machine uses a high-viscosity glue, there are problems such as poor glue flow, glue breakage, difficult glue output, low precision, uneven glue feed, and easy wear. The high-viscosity glue micro-metering valve for a glue dispensing machine provided by the present invention includes a controller, a valve seat body, a drive device, a transmission device, and a micro-metering device. The valve seat body includes an upper bracket, a middle valve body, and a lower valve body from top to bottom. The micro-metering device is arranged at the lower part of the valve seat body; the micro-metering device includes a vertical metering cavity arranged inside the middle valve body, and a metering glue feeding channel connected to the metering cavity is also arranged on the side wall of the middle valve body. When the servo motor arranged on the upper bracket rotates, it is transmitted to the screw rod, and the screw rod nut moves up and down to drive the plunger rod and the plunger to move up and down simultaneously in the metering cavity. It can be widely used in the field of metering technology of glue dispensing machines.

The utility model discloses an external adjusting mechanism for the liquid level in an inner cylinder of an electrode steam boiler, and solves the problem that the layout structure of an inner cylinder water level control butterfly valve of the existing equipment is easy to cause the pressure loss of the boiler. Inner barrel demineralized water (4) is arranged in the boiler inner barrel (2), and outer barrel demineralized water (12) is arranged at the lower part in the boiler outer barrel (1); a liquid level adjusting water outlet (7) is formed in the bottom end of the boiler inner barrel (2), an inner barrel demineralized water outlet pipe (8) is connected to the liquid level adjusting water outlet (7), the other end of the inner barrel demineralized water outlet pipe (8) penetrates through the side wall of the boiler outer barrel (1) and then is connected with one end of an outer barrel communicating pipe (9), and an inner barrel demineralized water inlet pipe (11) is further arranged on the side wall of the boiler outer barrel (1). The other end of the outside-cylinder communicating pipe is connected with the outer side end of the inner cylinder demineralized water introducing pipe, and an inner cylinder water level electric control butterfly valve (10) is arranged on the outside-cylinder communicating pipe; and pressure loss of the boiler is avoided.

The utility model discloses a novel elevator which comprises an elevator body, a machine head seat is arranged at the upper end of the elevator body, a front machine cover is arranged on the front side of the upper end of the machine head seat, a rear machine cover is arranged on the rear side of the upper end of the machine head seat, and a triangular shaft-mounted cover plate is arranged between the rear machine cover and the front machine cover. A middle shaft rod is arranged on the inner side of the triangular shaft-mounted cover plate, sealing bearing plates are arranged on the portions, located on the headstock, of the peripheral sides of the two ends of the middle shaft rod, a backstop protective cover is arranged on the portion, located on the headstock, of the outer side of the right end of the middle shaft rod, and a backstop body is arranged on the portion, located on the middle shaft rod, of the inner side of the backstop protective cover. A non-return device pressing plate is arranged on the position, located on the middle shaft rod, of the outer side of the non-return device body. The machine head combination part of the novel elevator has the technical effects that the number of parts prone to deformation is reduced, the overall attractive effect can be improved, and the overall sealing effect can be effectively protected.

The utility model discloses a rubber sheet air-drying device, which belongs to the technical field of rubber sheet processing and comprises a frame, a suspension mechanism arranged on the frame and an air-drying mechanism. A net cage is hung on the hanging mechanism, and the net cage of the hanging mechanism is used for containing rubber sheets; the air drying mechanisms are arranged above and below the net cage; the air drying mechanism comprises a cold air box, an air supply assembly arranged in the cold air box and a plurality of air outlet branch pipes communicating with the cold air box, the air outlet branch pipes are arranged along the net box at intervals, each air outlet branch pipe is evenly provided with a plurality of air outlet holes in the length direction of the air outlet branch pipe, and the air outlet holes face the rubber sheets. According to the rubber sheet air-drying device adopting the structure, the evaporation rate of water on the surface of a rubber sheet is consistent, the temperature distribution is uniform after air drying, and the problem that the surface is uneven due to different thermal shrinkage amplitudes is obviously reduced.

This invention discloses a self-drilling screen pipe top cement injector, relating to the field of oil drilling engineering technology. The self-drilling screen pipe top cement injector includes a body, an inner cylinder, an expansion seal, and a sealing element. The inner cylinder is connected to the inner wall of the body via a first shear pin. A first end of the inner cylinder defines a pressure-retaining cavity with the body, and a pressure-retaining hole is also provided at the first end, which can be opened or closed. The second end of the inner cylinder can be connected to or disconnected from the external environment through the body. The expansion seal is sleeved on the body and defines an expansion sealing cavity with the outer peripheral wall of the body. The expansion sealing cavity is connected to the inner cavity of the inner cylinder via a one-way valve. The sealing element can be disposed within the body and seal the second end of the inner cylinder. This self-drilling screen pipe top cement injector can achieve a self-drilling effect, reducing operating costs, improving operating efficiency, and increasing the success rate of operations.