428results about How to "Reduce direct impact" patented technology

The immersed battery pack thermal management system comprises a battery pack box body, the battery pack box body is provided with a containing cavity with an opening in the top, the containing cavity is filled with a cooling medium, and a liquid outlet is formed in the side wall of the bottom of the battery pack box body; the plurality of single batteries are arranged in the accommodating chamber and are immersed in the cooling medium; the phase change working medium is arranged in the accommodating chamber and surrounds the outer side of the single battery; the cooling box body is fixedly arranged at the top opening of the battery pack box body, the bottom surface of the cooling box body is provided with a communication port communicated with the accommodating cavity, and a liquid inlet is formed in the cooling box body; by combining static cooling, low-flow dynamic cooling, high-flow dynamic cooling and multi-layer thermal management of the phase-change material, the cooling strategy can be dynamically adjusted under different temperature conditions, efficient heat dissipation is ensured, the internal temperature of the battery pack is more uniform by using the phase-change working medium, a proper cooling mode is selected as required, and the cooling efficiency is improved. And unnecessary energy consumption is avoided.

The invention discloses a secondary battery, a battery pack and a power utilization device, the secondary battery has a first direction and a second direction which are intersected, the secondary battery comprises a shell, an electrode assembly and a top cover assembly, the shell is provided with a containing cavity, the electrode assembly is arranged in the containing cavity, the top cover assembly comprises a top cover piece, a lower insulating part and an electrode terminal, the top cover piece is connected with the shell, and the lower insulating part is arranged in the top cover piece. The top cover plate is provided with a first liquid injection hole; the lower insulating part is connected to one side, facing the electrode assembly, of the top cover plate, and the electrode terminal penetrates through the top cover plate and the lower insulating part; the lower insulating part comprises a body and a turbulent flow part, and the body is provided with a second liquid injection hole communicated with the first liquid injection hole; the turbulent flow part is connected to the side, away from the top cover piece, of the body, the turbulent flow part and the electrode terminal are arranged at an interval, a liquid outlet is formed in the side, facing the electrode terminal, of the turbulent flow part, and the liquid outlet communicates with the second liquid injection hole; and along the second direction, the minimum distance between the liquid outlet and the electrode terminal is L1, the size of the top cover plate is L2, and L1 / L2 is greater than or equal to 0.004 and less than or equal to 0.5.

The invention relates to the field of five-axis machine tools, in particular to a five-axis high-speed and high-precision machining center which comprises a machine base, a machining center body and a machining center body. The double-shaft movement device adopts a reinforced extension arm type structure and is used for driving the machining main shaft to move in the X and Z orthogonal directions or the Y and Z orthogonal directions; the horizontal moving device is used for driving the offset type double-swinging-head device to move in the horizontal direction; the offset type double-swing-head device is far away from the double-shaft movement device, and the offset type double-swing-head device has two rotational freedom degrees of an A shaft and a C shaft and is used for machining a workpiece at multiple angles; the machining main shaft is used for completing machining operation of the parts through high-speed rotation and accurate feeding; the automatic tool changing device is used for automatically selecting and changing tools; the control system is used for coordinating movement of all the devices so as to achieve efficient and high-precision machining. The stability and reliability of the machining center are improved.

The present invention relates to the technical field of ecological concrete slurry, and specifically to an ecological seed-carrying slurry for the slope of a mine dump, a preparation method and its application. Aiming at the special environmental characteristics of the Inner Mongolia mining area, the present invention prepares a new type of artificial aggregate containing growth domains and seeds, which is composed of a three-layer structure, each layer having a specific function, so as to achieve the purpose of promoting the germination of multi-source species, plant growth, providing nutrition and improving the soil environment. The slurry can not only effectively utilize solid waste and reduce costs, but also adopts in-situ point-type layered hole sowing to shorten the vegetation restoration cycle in the ecological restoration of the slope, greatly improve the survival rate of tree and shrub seed sources, reduce the number of watering times, save restoration costs, and reduce the workload of management. While effectively promoting vegetation restoration, it strengthens the stability of the slope, prevents soil and water loss, slows down runoff and consolidates the soil, providing an efficient and sustainable solution for the ecological restoration of green mines in Inner Mongolia.

The invention relates to the technical field of new energy batteries, in particular to a battery pack explosion-proof structure and a battery pack, the battery pack explosion-proof structure structurally comprises an outer shell, a heat insulation sheet and a wire harness fixing part, a mounting cavity is formed in the outer shell, the mounting cavity is used for mounting a battery cell module, the heat insulation sheet is arranged on one side, close to an electrode end of the battery cell module, in the mounting cavity, and a through hole is formed in the heat insulation sheet; the outer shell is provided with a first mounting surface, an explosion venting channel is arranged among one surface, facing the electrode end of the battery cell module, of the outer shell, the first mounting surface and the heat insulation sheet, the explosion venting channel is communicated with the through hole, a first explosion-proof piece is arranged on the first mounting surface, and the first explosion-proof piece is communicated with the explosion venting channel and is used for discharging pressure in the battery pack to the outside; the wire harness fixing part is arranged on the side, close to the first anti-explosion piece, in the installation cavity. The direct influence of high-pressure gas or high temperature on the wire harness is reduced, the thermoelectric separation effect is achieved, the damage to a circuit during thermal runaway is reduced, and the safety of the battery pack is improved.

The invention relates to the technical field of loading devices, and discloses an automatic loading device with a movable feed opening, which comprises a main body, the right side of the main body is fixedly connected with a feed pipe, the bottom of the main body is fixedly connected with a discharge pipe, one side, far away from the discharge pipe, of the main body is fixedly connected with a motor, and the output end of the motor is fixedly connected with a connecting shaft. The end, away from the motor, of the connecting shaft penetrates through the inner wall of the body and extends into the discharging pipe. Due to the special conical shape and the rotary motion, an outward swinging centrifugal force can be generated on falling materials, and the materials are thrown to different positions in the compartment under the action of the centrifugal force and are uniformly distributed in the compartment. The materials are prevented from being concentrated in a certain area, the situation that the materials are stacked too high or too low is reduced, the height of the materials in a compartment is more uniform, the loading uniformity is improved, and meanwhile a large amount of time can be saved.

The invention discloses a fluidized collision type bioelectric reaction device suitable for high-carbon sewage treatment. The device comprises a reactor body, a capacitive electroactive biofilm carrier, an anode plate and a cathode plate. The reactor body is a cylinder, the bottom of the reactor body is provided with a water impeller, and the areas are separated by grids; the capacitive electroactive biofilm carrier is a sphere formed by stacking round sheets and is made of polyethylene plated with an ITO (Indium Tin Oxide) film, and stainless steel spikes are arranged on the surface of the capacitive electroactive biofilm carrier; the cathode plate is made of graphite and is cylindrical; the anode plate is made of stainless steel compounded by lauryl sodium sulfate and graphene-multi-walled carbon nanotubes and is cylindrical, the plate wall is hollow, and the anode and the cathode are connected through a circuit. Electron transfer is completed through flowing and collision of the capacitive electroactive biofilm carrier, the mass transfer efficiency and activity of the electroactive biofilm are enhanced, the high-carbon wastewater treatment capacity is improved, and meanwhile the device has the advantages of being high in impact load resistance and low in site area requirement.

The invention discloses an application for reducing a conductor skin effect based on an electron deep protective agent, and relates to the technical field of current distribution regulation. Through real-time monitoring and self-adaptive regulation, current density is transited to a deep position layer by layer, a surface layer concentration phenomenon is remarkably reduced, dynamic response can be realized in a frequency change environment, and the current density is reduced. Meanwhile, an electron deep protection layer is introduced, current distribution can be stabilized and direct impact of frequency fluctuation can be relieved in a high-frequency environment, the anti-loss capability of the surface layer of the conductor is improved, the overall stability of the conductor is enhanced, the service life of equipment is prolonged, in addition, a closed-loop feedback control mechanism is adopted, and the service life of the equipment is prolonged. The adaptive filter monitors the current concentration condition in real time and automatically adjusts the current distribution, so that the current density always tends to a uniform and smooth transition state, the smoothness and stability of the current distribution are improved, and transient loss caused by current concentration under frequency fluctuation can be reduced.

The invention provides a mine hoist skip damping hook visual detection device which comprises a box body, upper hook plates are arranged on the two sides of the upper portion of the box body, and a sensor can be effectively protected against physical damage by arranging a buffer groove and a damping spring. The buffering and damping disc is matched with the fanning strip and the buffering groove to form a damping system, the buffering groove in the fanning strip provides insertion space for the sensor buffering rod, and the damping effect can be further improved. When vibration occurs, the damping disc and the structure thereof can disperse and absorb vibration energy, so that the sensor is protected from being damaged. The sensor mounting slot provides a stable platform for fixing the sensor, and ensures that the sensor can keep correct detection direction and position even under severe conditions. The combination of the linkage telescopic rod and the telescopic rod sleeve allows the sensor unit to flexibly displace within a certain range to adapt to the position change of the skip bucket hook, so that the sensor position deviation caused by equipment movement is reduced, and the detection precision is improved.

The invention relates to the related technical field of high-voltage wires, in particular to a high-voltage connecting wire with a fixed shape and a shielding function, which comprises a metal conductor, and a supporting mechanism is arranged on the outer side surface of a sheath. According to the high-voltage connecting wire with the fixed shape and the shielding function, through the arrangement of the supporting mechanism, during installation, the first supporting block and the second supporting block are close to each other from the two sides of the sheath, the clamping blocks are pushed into the clamping grooves, the fixing blocks are extruded to push the limiting plates to compress the telescopic springs, and after the clamping blocks enter completely, the fixing blocks pop out under the action of the springs and are inserted into the fixing holes; the supporting blocks surround the sheath to provide stable support for the wire, and when the wire is subjected to external force, the supporting mechanism protects the internal wire structure, prevents deformation and damage, improves the use flexibility and tightly cooperates with the supporting blocks to provide rigid support and ensure that the shape of the wire is fixed by means of structural strength and elastic buffering. And the installation and use reliability is improved.

The invention relates to the technical field of oil filtering equipment, in particular to a base oil filtering and separating device which comprises a rack, an inner cavity is formed in the rack, a slag discharging opening and an oil filling opening are formed in the rack, and the oil filling opening is connected with an external positive pressure oil supply mechanism; a restraining cover and a flow slowing plate are arranged in the inner cavity and located above the oil injection port, and the flow slowing plate and the restraining cover form a guiding position flow slowing structure where oil flows along a curve path. A filter pressing frame is arranged above the flow slowing plate, a plurality of filter cartridges are arranged on the filter pressing frame, the outer side walls of the filter cartridges are wrapped with filter screens, and the inner spaces of the filter cartridges extend to the outer side of the rack through oil outlet pipes communicated with the tops. The invention provides a base oil filtering and separating device, which is beneficial for solving the problems that some existing filtering devices adopt an oil filtering path from top to bottom, impurities mixed in crude oil are easy to quickly precipitate to cause filter screen blockage, and the follow-up injected crude oil continuously overflows the impurities to accelerate the complete blockage of the filter screen.

The utility model discloses a chip inductor winding welding mechanism, which relates to the chip inductor welding field, and comprises an operation table and a chip inductor, the surface of the operation table is provided with a welding base, the surface of the welding base is provided with a circuit board in a sliding manner, the welding base is provided with an auxiliary welding assembly for welding the chip inductor, and the circuit board is provided with an auxiliary welding assembly for welding the chip inductor. The auxiliary welding assembly comprises a tray, and the tray is arranged on the surface of the welding base in a sliding mode. The arranged auxiliary welding assembly can wrap the chip inductor to provide protection in the welding process of the chip inductor, only pins of the chip inductor are reserved for welding, and therefore the direct influence of thermal stress generated by a welding gun on an inductor body is remarkably reduced, in addition, the assembly further has a limiting function, and the welding efficiency is improved. The chip inductor can be kept at a fixed position in the welding process and is prevented from moving or deforming, a welding gun can be effectively prevented from being in direct contact with a chip inductor body, and additional safety protection is provided for the inductor.

The offshore wind power platform tidal energy vibration reduction power generation device is in a circular truncated cone shape, is fixedly arranged on a sunken pile in a sleeving mode and comprises a bottom disc and a top disc, the diameter of the top disc is larger than that of the bottom disc, the two sides of the top disc are connected with a working platform on the upper portion of the sunken pile through cables, and a connecting structure is arranged between the top disc and the bottom disc. An annular locking structure is coaxially arranged at the top of the top disc and sleeves the sunken pile, horn-mouth-shaped flow guide structures are uniformly arranged on the side wall of the connecting structure, an impeller is arranged on the inner side of the connecting structure, an impeller mounting shaft is fixedly connected with a generator, and the generator is connected into a power storage device of the wind power platform. The effect of reducing the vibration amplitude of water flow impact on pile sinking is achieved, tidal energy is utilized for power generation, the height of the power generation device can be adjusted according to the rising tide condition, and the power generation efficiency is maintained.

According to the offshore wind power generation ship, a ship body serves as a base body, and a plurality of cross beams and vertical rods are arranged on the two sides of the ship body, so that the layout of blades is more flexible, the angle or position can be adjusted according to changes of the wind direction and the wind speed, and therefore the wind energy capturing efficiency is maximized; the adaptability and stability of the wind power generation ship under different sea conditions and climate conditions are enhanced, the blades are connected with the power generation unit, rich wind energy resources on the sea can be efficiently captured and converted into electric energy, meanwhile, the power generation unit is directly connected to the ship body driving unit, instant conversion and utilization of energy are achieved, and the energy utilization rate is increased. According to the integrated design, the energy transmission process is simplified, energy loss is reduced, the whole system is more compact and efficient, and reliable guarantee is provided for autonomous navigation and power supply of the ship.

The invention discloses a floating type photovoltaic platform capable of actively absorbing waves. The floating type photovoltaic platform comprises a platform floating body and an active wave absorbing device, the platform floating body comprises a plurality of platform buoys, and the platform buoys are connected through flexible connecting pieces; the active wave absorbing device is connected with the platform floating body; the active wave absorbing device comprises an active wave absorbing plate, an active wave absorbing cabin floating body and a propelling rod; a radar wave measurement sensor is arranged on the active wave absorbing cabin floating body, and a control module is arranged in the active wave absorbing cabin floating body; one end of the propelling rod is connected with the active wave-absorbing cabin floating body, and the other end of the propelling rod is connected with the active wave-absorbing plate; the control module controls the pushing rod to stretch out and draw back according to data of the radar wave measurement sensor, the active wave absorbing plate is driven to move, the technical problems that the sea environment wave condition is poor, and the wave resisting effect of the floating type photovoltaic platform is poor are solved, and the structural strength and stability of the whole platform are enhanced.

The present invention relates to a single crystal silicon wafer cleaning device and method, comprising a bearing support 1, a control support 2, a control support 1 and a bearing support 2; the bearing support 2 is hinged at a position directly above the bearing support 1, the control support 1 and the control support 2 are respectively located at two end points of the periphery of the bearing support 1, a bearing column is welded on the back of the bearing support 1, a bearing arm 3 is hinged directly above the control support 2, and a bearing arm 4 is docked at the upper side wall position of the bearing arm 3. The present invention enables the support seat to perform telescopic movement through the threaded transmission relationship between the threaded rod 2 and the internal threaded seat, and the linkage plate will be in staggered contact with the protrusions and grooves on the linkage frame, so that the linkage plate performs reciprocating telescopic movement, and under the action of the linkage rod, the transmission wheel rotates, and the transmission wheel is engaged with the transmission plate, and the nozzle can rotate at this time, and the single crystal silicon surface can be cleaned in two different forms of straight flushing and oblique flushing, thereby improving the cleaning effect of the single crystal silicon wafer.

The invention discloses a steering device capable of adjusting the orientation of a photovoltaic solar panel, and particularly relates to the technical field of photovoltaic power generation, the middle part of the upper end of a base is rotatably connected with a fixing mechanism, the upper part of the fixing mechanism is symmetrically provided with contraction mechanisms, and the two contraction mechanisms are jointly and fixedly connected with three photovoltaic panels; a transmission mechanism is fixedly connected to the front side of the upper end of the base, and cleaning mechanisms are symmetrically arranged at the upper end of the base. According to the steering device capable of adjusting the orientation of the photovoltaic solar panel, the effect that the photovoltaic panel always faces the sun is achieved through cooperation of the fixing mechanism and the transmission mechanism, meanwhile, smooth and impact-free rotation can be achieved when the angle of the photovoltaic panel is adjusted, and similarly, the steering effect is good. The surface of the photovoltaic panel is cleaned before the photovoltaic panel is folded through cooperation of the contraction mechanism and the cleaning mechanism, so that the surface of the photovoltaic panel can be protected from being scratched or broken in extreme weather while the photoelectric conversion efficiency is prevented from being reduced by dust and dirt accumulated on the surface.

The invention provides a steel box girder and a machining method, and relates to the technical field of bridge engineering.The steel box girder comprises a girder body, a hoisting mechanism is arranged on the outer wall of the top end of the girder body, an alignment mechanism is arranged on the outer wall of the bottom end of the girder body, a buffering mechanism is arranged on the inner wall of the left side of the girder body, and the buffering mechanism comprises a moving plate; the outer wall of the movable plate is fixedly connected with a partition plate, and the outer wall of the movable plate is elastically connected with a sliding plate through a buffer spring. Through cooperation of structures such as a buffer spring and a hand wheel, after an alignment block is inserted into an alignment groove in the left side of the other beam body, the buffer effect can be improved through contraction of the buffer spring and a telescopic spring and movement of a first damping ring and a second damping ring along with a connecting rod, and when the two beam bodies are connected, energy generated during collision is absorbed and dispersed; and the direct influence of impact force on the beam body is reduced, so that bad conditions such as abrasion and deformation are reduced, and the safety and reliability of connection are improved.

When a building structure is vibrated or impacted, a spring piece in the anti-seismic support hanger is compressed when being impacted, vibration energy can be effectively absorbed and dispersed, direct impact on the building structure is reduced, a sliding assembly can move in a metal rod along a sliding groove under the action of the spring piece, and therefore the anti-seismic support hanger is not prone to falling off. The sliding blocks are matched with the inner protruding strips through the C-shaped grooves, the moving stability is guaranteed, in addition, the anti-seismic support hanger can be firmly connected to a building structure such as a ceiling or a bus duct through rotary assembly of the studs and the nuts, meanwhile, the correct positions of the sliding assembly and the fixed assembly are guaranteed through the design of the strip-shaped grooves and the round holes, and therefore the anti-seismic support hanger is convenient to use. When the anti-seismic support hanger is subjected to vibration or impact force, the influence on a building structure can be effectively reduced, so that the safety of the building structure is protected, and the service life of the building structure is prolonged.

The utility model relates to the field of spiral transmission, in particular to a spiral anti-backlash sleeve, a transmission assembly and a solar device. The spiral anti-backlash sleeve comprises a first sleeve body and a second sleeve body which are coaxially arranged, threads with the consistent thread pitch are arranged on the circumferential faces of the first sleeve body and the second sleeve body, the first sleeve body is provided with a first guide rail part, the second sleeve body is provided with a second guide rail part, and an elastic piece is arranged between the first sleeve body and the second sleeve body; the bearing and guiding piece comprises at least one connecting position used for being connected with an external driving component; the first sleeve and the second sleeve of the guide bearing piece are movably connected; the device further comprises an anti-disengaging part which is fixedly connected with the bearing and guiding piece and used for limiting the movement range of the first sleeve and the second sleeve. The screw drive assembly is provided according to the drive sleeve. Finally, the solar device is provided according to the spiral transmission assembly. The spiral spline has the beneficial effects that the spiral transmission stability is improved while the transmission gap of the spiral spline is reduced.

The invention relates to the technical field of water conservancy devices, and discloses a self-adjusting integrated gate which comprises a gate frame, a gate base and a gate frame, the gate base is arranged at the bottom of a water flow channel, the gate frame is arranged on the gate base, when the gate falls down, water flow cannot pass through, and the gate is composed of a first gate body and a second gate body. The first gate is arranged on the front side of the second gate, a gap is formed between the first gate and the second gate, a first gate notch and a second gate notch corresponding to the first gate and the second gate in position and shape are formed in the gate base, a base water inlet is formed in the front side of the gate base, and a base water outlet is formed in the rear side of the gate base. The base water inlet is communicated with the first gate notch, the base water outlet is communicated with the second gate notch, a water storage cavity is formed between the first gate notch and the second gate notch, the first gate notch and the second gate notch are communicated through the water storage cavity, and the bottom of the base water outlet is arranged in a downward inclined mode.

The embodiment of the invention relates to the technical field of batteries, and particularly discloses a single battery and a battery pack, and the single battery comprises a shell provided with an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the top cover is connected to one side, in the first direction, of the shell and covers and seals the containing cavity, and a liquid injection hole is formed in the top cover; the insulating component comprises an insulating main body, a plurality of flow guide parts and a plurality of first flow blocking parts, the insulating main body is provided with a through hole, and the through hole is communicated with the liquid injection hole; the multiple flow guide parts surround the periphery of the through hole to form a flow guide channel with an opening, the flow guide channel is communicated with the through hole, and the flow guide channel is communicated with the containing cavity through the opening; the first flow blocking part blocks part of the opening. According to the invention, the tab of the electrode assembly is prevented from extending into the through hole and being in contact with the top cover to cause short circuit of the single battery, the risk of short circuit between the electrode assembly and the top cover is reduced, and the safety performance of the single battery is ensured.

This utility model discloses a filter paperboard punching mechanism, relating to the field of filter paperboard processing technology. It includes a hydraulic punching main unit, with a punching worktable on the front side of the main unit. A lower punching die is fixedly connected to the upper front end of the worktable. A hydraulic telescopic rod is fixedly connected to the upper end of the main unit via a cantilever, positioned directly above the lower punching die. Through the use of elastic heating support pads and elastic pressure pads, the loose fiber structure of the filter paperboard is effectively prevented from being compacted, ensuring the air permeability and filtration efficiency of the filter paperboard. Simultaneously, the elastic heating support pads heat the filter paperboard when in contact with it, softening the fibers and preventing brittle breakage, thus improving the quality of the punching process. Furthermore, the elastic pressure pads further reduce the direct impact of the punching blade on the paperboard, resulting in a smoother punching edge, reducing burrs and fiber damage, and improving the overall quality of the product.

The utility model relates to the technical field of valve cores, and discloses a valve core for protecting a sealing surface, which comprises a valve body, a valve core component, a first guide plate and a second guide plate. A fluid channel and a control cavity which are perpendicular to each other and communicated with each other are formed in the valve body; a water inlet and a water outlet are respectively formed in two ends of the fluid channel; the control chamber vertically penetrates through the upper part of the fluid channel and is used for mounting the valve core assembly; the valve element assembly comprises a valve seat and a valve rod. The valve seat is arranged at the intersection of the fluid channel and the control cavity in a sealed mode, and the sealing faces on the two sides of the valve seat are opposite to the water inlet and the water outlet respectively. The valve rod penetrates through the control cavity in the axial direction of the control cavity in a lifting mode, and the lower end of the valve rod extends into the fluid channel and is fixedly connected with the valve seat. When the valve rod drives the valve seat to do axial lifting motion, the sealing faces on the two sides of the valve seat synchronously form a sealing state with the water inlet and the water outlet or release the sealing state with the water inlet and the water outlet correspondingly, so that a fluid path is blocked or conducted, and the gate closing or opening function is achieved.

The application provides a battery module and a battery box. The battery module comprises a frame assembly having a receiving cavity, the frame assembly comprising a first frame extending along a second direction, and a buffer arranged in the first frame; and a cell assembly accommodated in the receiving cavity, the cell assembly comprising a plurality of cell bodies arranged at intervals along a first direction, and the cell bodies extending along the second direction; wherein the first direction and the second direction have an included angle. The application can reduce the risk of cell damage.

The invention relates to the field of silicon crystal stone plate installation, in particular to silicon crystal stone plate intelligent installation equipment which comprises an installation base, clamping blocks, electric rolling wheels and the like. A plurality of positioning blocks are arranged on the mounting seat; a plurality of clamping blocks are mounted on the mounting seat, and every two adjacent clamping blocks are elastically connected through a clockwork spring; a plurality of electric rollers are arranged on the lower side of the mounting seat. Vibration energy generated in the drilling process of the drill bit is absorbed and dispersed through the buffer block and the elastic piece, the direct influence of vibration on the silicon spar plank road plate is reduced, and therefore the damping effect is achieved, the deviation degree of the silicon spar plank road plate is reduced to the maximum extent, it is guaranteed that hole sites in the silicon spar plank road plate and hole sites in a framework are accurately aligned, and the service life of the silicon spar plank road plate is prolonged. The mounting efficiency is improved; and the mounting positions of the silicon spar plank road plates are limited through the limiting blocks, so that a uniform interval is reserved between every two adjacent silicon spar plank road plates, the manual workload is reduced, and meanwhile, the mounting attractiveness is improved.

This invention provides an ultrafiltration membrane module resistant to high suspended solids impact, relating to the field of wastewater filtration technology. It includes a hollow cylinder and an ultrafiltration mechanism within it. The ultrafiltration mechanism includes a membrane filtration unit and an anti-shock component at its lower end. The anti-shock component includes a rotating lower sleeve with lower blades evenly distributed around its outer circumference, and a sludge removal component above it for scraping sludge from the cylinder wall. Below the fixed plate, there is also an mounting sleeve and a rotating upper sleeve, with upper blades evenly distributed around its outer circumference and connected to an upper scraper. During filtration, raw water impacts the lower blades at the inlet and enters the membrane filtration unit, driving the lower scraper to rotate and scrape sludge. Simultaneously, the rising water flow drives the upper scraper to clean the upper section of the cylinder wall. During backwashing, high-pressure purified water impacts the lower blades in the opposite direction, causing them to rotate and scrape sludge, which is then discharged from the sludge removal hole. This invention utilizes hydraulic self-drive to achieve online cleaning of the cylinder wall, effectively buffering the impact of high suspended solids, protecting the membrane surface, and extending its service life.

The utility model discloses ultrasonic probe and connecting line place protection device, including protection pipe, spring, outer spiral groove, inner spiral groove, fixator no.

The utility model relates to a pressure switch structure and relates to the technical field of switch devices, in order to solve the problem that contact abrasion is easily caused by pressure change of a traditional pressure switch, the pressure switch structure comprises a shell, a pressure cavity is formed in the shell, an ejector rod is movably installed in the pressure cavity, and a pressure connector used for driving the ejector rod is arranged at the end of the ejector rod. A connecting piece is further arranged on the ejector rod, two movable contact points are symmetrically arranged on the connecting piece, two static contact points are arranged in the pressure cavity and correspond to the two movable contact points respectively, each static contact point is provided with a lug plate, a reset assembly used for resetting is arranged on the ejector rod, and a buffer assembly is arranged in the pressure cavity. The buffer assembly comprises a buffer seat and an elastic piece, the buffer seat is connected to the connecting piece, the elastic piece is connected into the pressure cavity, the elastic piece is arranged above the buffer seat and matched with the buffer seat, and the buffer assembly further comprises an adjusting piece used for adjusting the extending length of the elastic piece. The method has the effect of prolonging the service life.

The invention relates to a single-column type sign board energy dissipation anti-collision facility which comprises a single-column type sign board, the single-column type sign board comprises a main board and side boards rotationally connected to the two sides of the main board, the back face of the main board and different positions of a stand column are installed and fixed through a plurality of hoops, one hoop is connected with an energy dissipation device, and the other hoop is connected with an energy storage device. And the other end of the energy dissipation device is connected with the side plate. When a vehicle collides with the sign board, the energy dissipation structure of the sign board starts to play a role. The side plates rotate around the connecting rods under the action of collision force, so that impact energy is absorbed and dispersed. The rotation movement reduces the direct impact force on the vehicle, and reduces the risks of vehicle damage and casualties. The device is simple in structure, convenient to install, low in maintenance cost and convenient for a traffic management department to carry out daily inspection and maintenance work. When the device is designed, compatibility with an existing single-column type traffic sign board is considered, and the device can be widely applied to traffic sign boards of different sizes and types.