79results about How to "Easy to maintain and replace later" patented technology

The utility model discloses a radiator with detachable fins, which relates to the technical field of radiators, and comprises a mounting plate, a fixed radiating mechanism is arranged at the top of the mounting plate, the fixed radiating mechanism comprises a fixed frame, a conveying assembly is fixedly mounted in the fixed frame, the conveying assembly comprises a fixed joint, and the fixed joint is fixedly connected with the fixed frame. The two fixing connectors are fixedly mounted on the two sides of the fixing frame correspondingly, a butt joint mechanism is arranged at one end of each fixing connector, and a mounting bolt is mounted at the top of the mounting plate in a threaded mode. The fixing clamping plates are located on the two sides of the fixing frame, the fixing clamping plates can fix the fixing connectors at the two ends, the fixing stability of the fixing connectors is improved, meanwhile, the whole pipeline can be taken out by taking out the fixing clamping plates, later maintenance and replacement are facilitated, the heat conduction copper sheets can improve rapid temperature conduction, and the heat dissipation efficiency can be effectively improved. The non-slip mat is arranged at the bottom of the mounting plate, and the mounting stability of the radiator is improved conveniently through friction force of the non-slip mat.

The utility model discloses a current-limiting protector shell convenient to disassemble. The current-limiting protector shell comprises a lower shell, a first locking mechanism and a second locking mechanism, the upper end of the lower shell is cooperatively provided with an upper shell, and the rear end of the lower shell is provided with rectangular strips in bilateral symmetry; the first locking mechanisms are respectively arranged in the rectangular strips; the second locking mechanism comprises an inserting block and an inserting groove, the inserting block is arranged in the middle of the lower surface of the front end of the upper shell, the inserting groove is formed in the middle of the upper surface of the front end of the lower shell, the inserting block and the inserting groove are installed in a matched mode, the first locking mechanism comprises a cross-shaped sliding block, a cross-shaped sliding groove and an inserting strip, the cross-shaped sliding groove is formed in a rectangular strip, and the cross-shaped sliding groove is matched with the inserting strip. According to the current-limiting protector shell convenient to disassemble, the current-limiting protector shell can be conveniently and rapidly assembled and disassembled, and later maintenance and replacement are facilitated.

The utility model discloses a kind of impedance adjustable high-speed terminal structures, it is related to high-speed terminal technical field.The impedance adjustable high-speed terminal structure, the outer shell is rectangular, the outer shell both sides are fixedly connected with mounting lug, the mounting lug is L shape, and mounting bolt is threadedly connected on the mounting lug.The impedance adjustable high-speed terminal structure, outer shell is fixed with mounting bolt through L-shaped mounting lug, adapts multiple equipment installation scene, and installation is firm and flexible;Insulating base is fixed by positioning pin and positioning hole, and assembly precision is high, effectively prevent base displacement, guarantee the relative position stability of each component, reduce the influence of vibration on terminal performance, each component is modularized assembly through mounting hole, lower mounting slot and other structure module, installation step is clear, convenient for production and assembly and later maintenance replacement, reduce assembly difficulty and cost.

The utility model discloses a building wall based on BIM (Building Information Modeling). The building wall comprises a main body structure, an internal wall body and a monitoring component, wherein the main body structure serves as an external structural part of a building wall body and is used for fixing other parts and providing support; the internal wall body is fixedly arranged in the main body structure, serves as a functional layer of the building wall body and also plays a role in supporting the main body structure; and the monitoring component is used for monitoring the use stability. The wall body with the sound insulation and heat preservation effects is formed by orderly assembling the main body structure and the internal wall body, the construction time and cost are saved, the construction efficiency is improved, meanwhile, the integrated design ensures that the sound insulation and heat preservation performance of the building wall body is more reliable and balanced, and inconsistency or imperfection possibly caused by post-processing is avoided; besides, the stability and the sealing performance of the wall body are monitored through the monitoring component, so that use and installation of the wall body are guaranteed, and the practicability of the wall body and the building quality and value are improved.

The invention discloses a coupling photo-thermal ammonia decomposition hydrogen production system which comprises an ammonia decomposition reactor, a liquid ammonia storage tank, an ammonia gas heating device and a hydrogen storage tank, the ammonia gas heating device comprises a liquid ammonia water bath box, a first heat exchanger and a second heat exchanger, and a reaction gas pipeline of the first heat exchanger is connected with a reaction gas outlet of the ammonia decomposition reactor; and the second heat exchanger is connected with the fused salt high-temperature storage tank. According to the system, before ammonia gas enters the ammonia decomposition reactor, the ammonia gas is subjected to heat exchange twice through high-temperature gas after reaction in the first heat exchanger and high-temperature fused salt in the second heat exchanger, so that the temperature of the ammonia gas is close to the reaction temperature, the reaction rate of the ammonia decomposition reactor is increased, the system can enter a stable production state as soon as possible, and the production efficiency is improved. The light splitting filter distributes light waves with proper wave bands to the solar heat collector and the photovoltaic power generation equipment, electric energy is provided for the electrochemical energy storage device while molten salt is heated, and energy supply of the system is green, environment-friendly and energy-saving.

The application relates to the technical field of optical cable stranding, in particular to a cable core stranding gun device which comprises a main assembly seat, a stranding seat, a central pipe and a stainless steel pipe, the central pipe and the stainless steel pipe are fixedly installed between the main assembly seat and the stranding seat. The cable core stranding gun device is fixedly installed with a wire winding stator for driving a ring rotor in a ring-shaped guide rail on the inner side of the stranding seat, an internal driving mechanism is adopted, a driving structure does not need to be arranged externally, and the space utilization rate is greatly improved; an internally adjustable wire cylinder is directly assembled on the inner side arc surface of the ring rotor, the driving mode is more direct, kinetic energy loss is greatly reduced, and the cable core stranding gun device is more energy-saving and environment-friendly; the internally adjustable wire cylinder can be adjusted in the horizontal and vertical directions according to needs, the stranding mode is more various, and the applicability is greatly enhanced; through adoption of a quick-release structure design, the post-maintenance cost can be reduced, and the maintenance difficulty can be reduced.

This utility model discloses an insect-proof structure for a wall-side ventilation opening in a roof insulation layer. It includes a ventilation opening body with an insertion part at the rear end for insertion into an exhaust duct. The insertion part and the exhaust duct are shaped to match. An air inlet is located at the front end of the ventilation opening body. An insect-proof net assembly is detachably installed near the air inlet in the front inner cavity of the ventilation opening body. The insect-proof net assembly includes a mesh frame and an insect-proof screen mounted on the frame. The assembly is vertically placed within the inner cavity of the ventilation opening body. External airflow enters through the air inlet, passes through the mesh of the insect-proof screen, and then enters the exhaust duct within the inner cavity of the ventilation opening body. This utility model's ventilation opening body and the existing exhaust pipe form an inlet-outlet flow pattern, improving gas exchange efficiency. The efficient ventilation and exhaust accelerate the drying process, saving material drying time during construction or roof repair, and improving overall construction efficiency. The insect-proof net assembly provides excellent insect protection, preventing damage to the insulation layer.

The utility model discloses an anti-backflow water meter which comprises a water meter body and further comprises a water inlet pipe, an installation block and a water return prevention device. The water inlet pipe is fixedly connected with a water inlet of the water meter body, a mounting block is integrally arranged in the water inlet pipe, and a mounting cavity with an opening in the upper end is formed in the mounting block; and the water return prevention device is detachably mounted in the mounting cavity. According to the water return prevention device, the water return prevention device is independently arranged in the water inlet pipe, when maintenance is needed, a pipeline does not need to be disassembled, later maintenance and replacement are facilitated, meanwhile, water cannot be stored in the water return prevention device, and bacterial pollution is avoided; and by arranging the first sealing gasket and the second sealing gasket, the backwater prevention device is installed in the installation cavity in a dual-sealing mode through the first sealing gasket and the second sealing gasket, and the device can be effectively prevented from leaking water.

The utility model discloses a high return loss multi-core neutral optical fiber connector, relates to the optical fiber connector field, and comprises a plug-in connection shell and two optical fiber joints, the end portion of each optical fiber joint is integrally formed with a plug matched with the plug-in connection shell, the middle portion of the plug-in connection shell is fixedly connected with an installation plate, and the installation plate is fixedly connected with the plug-in connection shell. And a conduction wire body is integrally formed in the middle of the mounting plate. Two opposite optical fiber connectors are arranged at the two ends of a plug-in connecting shell, plugs at the ends are inserted into the plug-in connecting shell, at the moment, a conduction wire body is inserted into a jack and is in butt joint with a wire core in the jack, and meanwhile, an elastic structure in the jack positions the conduction wire body to be coaxial with the wire core; and then the two opposite optical fiber connectors are mutually pulled through the tension assembly, so that the butt joint of the optical fiber connectors is more accurate, dislocation is avoided, the transmission effect is improved, the fixing effect is improved through the opposite pulling of the elastic rings, meanwhile, the later replacement and maintenance are facilitated, and the practicability is improved.

The utility model discloses an assembly structure of a high-strength prefabricated stair, which relates to the technical field of prefabricated stair assembly, and comprises a device main body, the inner wall of the device main body is provided with a limiting groove, the inner wall of the limiting groove is provided with a limiting rod, and the outer wall of the device main body is provided with a protective sleeve. According to the protection mechanism, the protection rod is movably connected with the fixing sleeve, and the side rod is in threaded connection with the fixing sleeve through the limiting shaft, so that when the device is used, the fixing sleeve and the protection rod are in a movable state by rotating the fixing shaft, and then the fixing sleeve is adjusted to a proper position; then the fixing shaft is reversely rotated to lock the fixing sleeve and the protection rod, then the side rod is fixed to the fixing sleeve through the limiting shaft in a threaded mode, the position of the side rod can be adjusted through the fixing sleeve, the use requirements of different protection scenes are met, the side rod can be detached, later maintenance and replacement are facilitated, and the convenience of the device is improved.

The utility model discloses a shared charging pile supporting device, which relates to the field of charging pile mounting and fixing and comprises a wall plate used for being mounted and connected with a basement wall column, and a supporting structure used for supporting a wall-mounted shared charging pile is mounted and connected to the bottom end of one end face, far away from the basement wall column, of the wall plate. A movable limiting structure used for limiting and fixing the wall-mounted shared charging pile to the supporting structure is further installed and connected to the wall plate. The supporting device is used for installing and fixing the wall-mounted shared charging pile in the basement, the supporting device is simple in structure and low in manufacturing cost, the wall-mounted shared charging pile can be conveniently installed and detached, time is saved, and later maintenance and replacement are facilitated.

The utility model provides a micro-focus ray source oil injection device, and belongs to X-ray source products. The novel product of the experiment comprises an upper computer, a main control board, a flow meter, a pressure meter and an oiling machine, the main control board is connected with the oiling mechanism, the pressure gauge, the flow meter and the upper computer and used for controlling the microfocus radiation source oiling device, and the oiling mechanism of the oiling machine is connected with the main control board through an oiling machine communication line to control the device. The high-pressure oil tank can circularly inject oil, so that the X-ray tube and the high-pressure generator can stably work for a long time, the purity of insulating oil in the high-pressure oil tank is ensured, and electric breakdown is prevented.

The utility model discloses a non-lubrication telescopic rod dust protection structure, which relates to a telescopic structure, and comprises a cylinder body and a rod body arranged in the cylinder body, the part of the rod body extending out of the cylinder body is a locking rod, a dustproof ring is arranged on the locking rod, a positive pressure cavity is arranged in the dustproof ring, and a negative pressure cavity is arranged in the positive pressure cavity. A front sealing assembly and a rear sealing assembly which are tightly attached to the locking rod are arranged on the two sides of the positive pressure cavity respectively. Compared with the prior art, through the integrated design of the dustproof ring, the positive pressure cavity, the front sealing assembly and the rear sealing assembly, dynamic sealing protection on the locking rod is achieved. The core structure comprises a cylinder body, a locking rod and a dustproof ring, the dustproof ring is internally provided with a positive pressure cavity and is provided with a front-back dual-sealing system, and a multi-stage protective barrier is formed.

The utility model discloses a heat conducting device for an LED circuit board, which relates to the technical field of circuit boards and comprises a circuit board body, a heat conducting mechanism is mounted at the bottom of the circuit board body and comprises a radiating plate, a heat conducting pipe and radiating fins, the radiating plate is mounted at the bottom of the circuit board body, the heat conducting pipe is mounted on the inner wall of the radiating plate, and the radiating fins are mounted on the inner wall of the radiating plate. Cooling fins are installed on the inner wall of the heat conduction pipe, and a taking mechanism is installed on the inner wall of the circuit board body. According to the heat conduction mechanism, the heat conduction pipes are distributed at equal intervals with the central axis of the heat dissipation plate as the center, the heat dissipation fins are distributed in an annular array with the central axis of the heat conduction pipes as the center, when the device is used, the interiors of the heat conduction pipes are hollow, and heat can be conducted out when air passes through the interiors of the heat conduction pipes; the contact area of the heat conduction pipe and the air is increased through the arrangement of the cooling fins, and the heat conduction effect of the device is greatly improved through the cooperative use of the cooling plate, the heat conduction pipe and the cooling fins.

The utility model discloses a frame body structure of a cooling fan, which comprises a fan body, the fan body comprises a fan frame body, a fan device arranged in the fan frame body and a water tank arranged at the lower end of the fan frame body, the fan frame body is respectively provided with an air inlet and an air outlet, and the fan frame body is arranged in a circular shape. The lower end of the fan frame extends to be provided with a connecting part used for being connected with a water tank, the front end and the rear end of the fan frame are provided with an impeller assembly and a dustproof filter plate, an air inlet groove used for arranging the dustproof filter plate is formed in the fan frame along the air inlet, and an air outlet groove used for arranging an impeller is formed in the fan frame along the air outlet. The fan is reasonable in structural design, the fan is tightly and conveniently connected with a water tank through the circular connecting part at the lower end of the fan frame body, water leakage is avoided, the impeller assembly greatly improves impeller rotation stability, noise and collision are reduced, the service life is prolonged, the protective cover is rotationally clamped with the fixing clamping groove through the clamping teeth, installation and disassembly are convenient, and use is convenient. And later maintenance and replacement are facilitated.

The utility model relates to the technical field of chemical fertilizer bag auxiliary clamping devices, in particular to a potash fertilizer bag clamping device. Comprising a rack, a vertical plate is arranged in the discharging direction of the rack, a bracket capable of sliding up and down is arranged on the left side of the vertical plate, two sets of telescopic assemblies connected in a sliding mode are arranged below the bracket, the telescopic assemblies can synchronously move along with potash fertilizer bags, and a pulling assembly used for driving the telescopic assemblies to move is arranged above the bracket; the device can assist in clamping and positioning an opening of a chemical fertilizer bag, synchronously displaces along with the chemical fertilizer bag, smoothly completes bag sewing operation through a bag sewing machine, does not need to be followed by workers, shortens single processing time, improves working efficiency, and avoids operation risks.

The invention relates to the technical field of brake oil can detection, in particular to a continuous brake oil can pressure testing device which comprises a bottom support and an electric control conveying belt, and electric control adjusting discs are movably assembled on the two sides of the bottom support. According to the continuous brake oil can pressure testing device, the brake oil can is conveyed through the electric control conveying belt, then the brake oil can is clamped and separated from the two sides through the electric control clamping units on the electric control adjusting disc, and the whole detection process is continuous and efficient; through clamping of the two sides, the stability of the brake oil can in the detection process can be improved, a liquid inlet and a liquid outlet of the brake oil can can be closed and sealed, and the stability and accuracy of internal pressure detection are guaranteed. An electric control screening mechanism is arranged at the upper end of the bottom support and located between the electric control adjusting discs, movement interference on the brake oil cans can be avoided, the brake oil cans with different detection results can be screened and separated, and the detection efficiency is improved.

The utility model belongs to the technical field of electric water heaters, and discloses an electric water heater which comprises a water inlet and outlet pipe, an electricity-proof wall cover, a hidden cover and a clamping structure, and the water inlet and outlet pipe penetrates out of the electricity-proof wall cover. The hidden cover is buckled on the electricity-proof wall cover, and a containing cavity is formed between the hidden cover and the electricity-proof wall cover and used for hiding a water inlet and outlet pipe of the electric water heater. And the electricity-proof wall cover and the hidden cover are clamped with the clamping structure. The anti-electricity wall cover and the hidden cover in the electric water heater are convenient to assemble and disassemble, and later maintenance is convenient.

The utility model relates to the technical field of industrial camera vision, in particular to a temperature-controllable explosion-proof industrial camera, which comprises a shell which is a closed space and is in direct contact with a working environment; the heater is arranged in the shell; the temperature sensing switch is electrically connected with the heater; the power supply is suitable for supplying power to the shooting device and the heater; and the shooting device is arranged in the shell. The heater and the temperature sensing switch are arranged in the shell, so that the automatic temperature adjusting function of the industrial camera in a low-temperature environment is realized, and the shooting device is ensured to stably work in a proper temperature range; the closed explosion-proof shell is designed to effectively block external explosion and prevent internal electric sparks from leaking, so that the explosion-proof and temperature control functions are realized; the overall structure is compact and reasonable, the camera can reliably operate in severe industrial environments such as petroleum and chemical engineering, and the environmental adaptability and the service life of the industrial camera are remarkably improved.

The utility model relates to the technical field of roller shutter door, and disclose a kind of roller shutter door roman line corner;The novel scheme, including roller shutter door corner track, the outside of the roller shutter door corner track is placed with sound-absorbing cushion, the outside of the sound-absorbing cushion is provided with roman line decorative shell, the outside of the roller shutter door corner track is evenly provided with locating block;The utility model is positioned by the positioning effect of the outside locating block of roller shutter door corner track, cooperate the adsorption of magnetic block and iron block, so that roman line decorative shell can be quickly installed without complex tool, and avoid the problem that traditional use screw fixing affects beautiful appearance;Through the clamping of taper head positioning pin and rubber sleeve, further improve the connection strength on the basis of magnetic attraction, even if long-term vibration influence is not easy to loosen and fall off;The setting of sound-absorbing cushion can effectively absorb vibration, reduce noise, reduce component wear;At the same time, the structure of magnetic attraction and clamping combination is more convenient when disassembling.

The utility model relates to the technical field of COME boards, and discloses a COME board with multiple expansion interfaces, which is integrated with a group of PCIe (Peripheral Component Interconnect Express) expansion modules with PCIe 3.0 * 8 interfaces and two groups of PCIe 2.0 * 8 interfaces. The USB interface module is provided with four paths of USB2.0 interfaces and four paths of USB3.0 interfaces; an onboard storage interface module with three paths of SATA3.0 interfaces; the network interface module is provided with two paths of 10 / 100 / 1000Mb self-adaptive gigabit network ports; the video output interface module is provided with an HDA interface, an HDMI interface, a VGA interface and an LVDS interface; according to the utility model, through modularized integration and scientific layout, anti-interference of a high-speed interface, easy plugging of a common interface and flexible configuration of a memory are realized, high-performance scene requirements are met, and diversified applications and special industrial expansion are adapted through multiple types of interfaces; and the three-dimensional anti-drop structure of the USB interface is fixed with the board body, so that the connection stability and the mechanical strength are enhanced.

The invention relates to the technical field of conveying and cooling, in particular to a cooling bed roller bed with a lifting type split quenching bed, which comprises a horizontal main frame and a roller mounted at the upper end in the horizontal main frame, and an electric control lifting type water collecting cover is assembled in the horizontal main frame in a sliding manner. According to the cooling bed roller way with the lifting type split quenching bed, a boss is formed on the periphery of a metallurgical product by adopting the electric control lifting type water collecting cover designed in a lifting type structure, and then the overhead water collecting cover is used for rapidly discharging liquid to form a high-position quenching pool for quenching the product; the whole operation process does not need to operate and control the product, so that the stability of the quenching process is improved; the lateral longitudinal transition groove is closed by turning over the electric control type lateral closing cover plate, and the waterproof performance of the outer side can be guaranteed while lifting of the electric control lifting type water collecting cover in the horizontal main frame is not affected. The electric control lifting type water collecting cover is in an idle state during lifting and is in a full-load state during descending, so that the lifting energy consumption can be greatly reduced.

The invention relates to the technical field of filtration and recovery, in particular to a self-maintenance rotary filter disc applied to a water-jet loom, which comprises a main recovery housing mounted at a waste liquid discharge port of a main frame of the water-jet loom, a rotary frame is movably mounted in the main recovery housing, and a detachable metal filter screen is fixedly mounted at an opening position on the outer side of the rotary frame. According to the self-maintenance rotary filter disc applied to the water-jet loom, waste liquid is extruded and driven, so that the waste liquid is controlled to be guided and filtered, the waste liquid can be recycled, and the resource recycling rate is increased; the rotating frame is driven by power generated by waste liquid, extra power is not needed, and energy consumption is reduced; the detachable metal filter screen is fixedly mounted at the opening position of the outer side of the rotating frame, later replacement and maintenance can be facilitated, and the later use cost is reduced.

The utility model belongs to the technical field of water conservancy and hydropower engineering, and particularly relates to an anti-seepage water stop structure for water conservancy and hydropower engineering, which comprises a dam and a water storage bin, the lower side wall of the dam is provided with a limiting groove, the surface of the water storage bin is provided with a protection assembly, and the protection assembly comprises a protection plate. The upper end and the lower end of the protection plate are attached to the top horizontal plane and the lower side vertical plane of the dam, and the center area of the protection plate is attached to the inclined plane of the water storage bin. Water waves can be intercepted through the protection plate laid on the outer side of the water storage bin, the effect of protecting the water storage bin is achieved, impact force of the water waves is counteracted through the gravity of the sliding plate so as to reduce the impact force on the water storage bin when the water waves beat, and the water storage bin can be protected through buoyancy applied to the sliding plate by the buoyancy plate. And the sliding plate and the buffer plate above the sliding plate always float on the water surface to intercept water waves, and the effect of automatically adjusting the height according to river liquid is achieved.

The utility model discloses a refrigerator which comprises a refrigerator body, an inner container, a door body, a container and a magnetic generation assembly. The container comprises a container body and a drawer which are arranged in the refrigeration chamber, the container body forms a containing cavity with an opening in the front side, and the drawer is arranged in the containing cavity in a drawable mode and can open and close the opening in the front side of the containing cavity; a reinforcing rib layer is arranged on the outer side wall of the container body and comprises a plurality of transverse ribs and vertical ribs, the transverse ribs and the vertical ribs are arranged in a crossed mode to form a net structure with a plurality of grids, and clamping holes are formed in at least part of the side walls of the grids; the magnetic generation assembly comprises a shell and a magnetic part, the edge of the shell is provided with a buckle capable of being clamped into the clamping hole so that the shell can be buckled to the reinforcing rib layer, the shell and the reinforcing rib layer can form an installation cavity in an enclosing mode, the magnetic part is contained in the installation cavity, and the magnetic part is configured to enable the containing cavity to have a magnetic field. According to the refrigerator, the technical problems that a magnetic part is inconvenient to arrange, later dismounting and maintenance are not facilitated, and the fresh-keeping effect is poor can be solved.

The utility model relates to a decorative moulding convenient to install, which comprises a plurality of decorative moulding bodies which are arranged side by side in the same transverse direction, and the two sides of the top of each decorative moulding body are respectively provided with an embedded hanging seat assembly which is fixed on a wall surface in advance. The embedded hanging seat assembly is used for limiting and clamping the decorative molding body at a wall surface arrangement position from front and back positions through the embedded hanging seat assembly; and assembling and connecting assemblies are mounted at the front and rear positions of the pre-embedded lifting seat assembly. The decorative molding has the beneficial effects that the embedded hanging seat assemblies which are fixed on the wall surface in advance are arranged on the two sides of the top of the decorative molding body, so that the decorative molding body can be limited and clamped at the arrangement position of the wall surface from the front and back positions through the embedded hanging seat assemblies; the decoration line body can be accurately positioned and compared with the decoration arrangement position of the wall surface, and the situation that the decoration line body deviates and is not compared in the arrangement process can be prevented.

The utility model relates to the technical field of pier scour and abrasion prevention, in particular to a pier scour and abrasion prevention protection structure which comprises a main body mechanism, a damping mechanism and a filling mechanism, the damping mechanism is fixedly arranged on the main body mechanism, and the filling mechanism is fixedly arranged in the main body mechanism. The main body mechanism comprises a movable baffle, a fixed baffle, a sliding groove, a fixed block, a fixed ring, a sealing gasket, a connecting block, a threaded groove and a bolt, the sliding groove is formed in the fixed baffle, the movable baffle is movably arranged on the fixed baffle through the sliding groove, and one end of the fixed block is fixedly arranged on one side of the fixed baffle. According to the anti-scouring and anti-abrasion protection structure for the bridge pier, the movable baffle can slow down impact of water flow on the bridge pier through the combined action of the movable baffle, the damping springs and the hydraulic rods, and the service life of the movable baffle is greatly prolonged through the design of the anti-corrosion layer and other layers.

The utility model provides a car -rule -level intelligent power switch device relates to the technical field of automobile electronic fittings, include: bottom plate, bottom plate main part is rectangular board shape structure, is established with a group of connecting holes respectively in the surface left and right sides of bottom plate, the upper end surface welding of bottom plate has two backing pad. In the utility model, temperature sensor is located inside the protective cover, directly gathers the ambient temperature of processing unit periphery, and will temperature analog signal change into digital signal transmission to the controller, when temperature is higher than the warning value, immediately sends the start signal to the fan inside the ventilation pipe, the fan starts operation, accelerates the flow of hot air current inside the protective cover, has solved the switch device although can set up the fan to radiate heat, but cannot according to switch device temperature to the intelligent regulation fan opening and closing, and processing unit directly sticks the surface of bottom plate, if bottom plate produces water drop or accumulates dust because of condensation, will directly contact with processing unit, thereby causes the circuit failure problem.

This utility model discloses an anti-clogging rainwater pipe filtration structure, belonging to the field of municipal drainage technology. The structure employs a modular design of the manhole body and cover, utilizing a double-layer filter screen for graded interception. The upper coarse filter screen is installed at a 15-30 degree angle, with 2-5mm pore size filters to initially intercept large particles of debris. The lower fine filter screen has a semi-circular, detachable structure, forming a sedimentation chamber with the upper screen. A drain outlet at the bottom connects to a sewage pipe. The system uses a water level sensor to control a solenoid valve and pump, automatically discharging sediment into a sewage chamber. A symmetrical inlet design ensures uniform water intake, and the snap-fit ​​installation groove and extension plate structure facilitate quick disassembly and maintenance. This device effectively solves the problems of easy clogging and difficult cleaning in traditional rainwater pipes, featuring high filtration efficiency, high automation, and convenient maintenance.

The utility model relates to the technical field of numerically-controlled machine tools, in particular to a numerically-controlled machine tool guide rail protective cover which comprises a protective mechanism and a limiting guide sliding mechanism, all sections of organ type protective covers are connected to a proper length through a first connecting plate, a second connecting plate and a split bolt which are arranged on the protective mechanism, and in the actual using process, due to the sectional connecting mode, the protective cover can be used for protecting the guide rail of the numerically-controlled machine tool. The device is simple and fast, and is convenient for later replacement and maintenance. And through air holes formed in the two sides of the organ type protective cover, heat generated in the use process of the guide rail can be discharged, and the situation that the service life is affected due to overheating of the guide rail after long-time use is avoided. By rotating an adjusting bolt, a U-shaped movable block ascends and descends along a U-shaped groove, so that the effect of flexibly adjusting and controlling the clamping distance between a first roller and a second roller is achieved, the protective cover is convenient to disassemble and assemble, meanwhile, adjustment and adaptation can be conveniently conducted according to different types of guide rails, the application range of the protective cover is expanded, and the practicability is high. Therefore, the practicability of the protective cover is improved.