320results about How to "Avoid direct impact" patented technology

The invention belongs to the technical field of tunnel ventilation, and particularly relates to a ventilation device and method for deep-buried extra-long tunnel construction. Comprising a first ventilation square pipe which is vertically arranged, the first ventilation square pipe penetrates through the top of a tunnel and communicates with the exterior of the tunnel, a forward and reverse rotation fan is installed at the end, close to the exterior of the tunnel, of the first ventilation square pipe, and a conical dust outlet is formed in the end, away from the forward and reverse rotation fan, of the first ventilation square pipe; the conical dust outlet is provided and communicated with a dust collection container; filtering and ash removal are circularly carried out, ventilation and exhaust in the tunnel are achieved, and meanwhile the problem that a filter screen needs to be frequently maintained and replaced can be solved; according to the tunnel ventilation and dust removal device, exhaust and dust removal operation is conducted on one side of tunnel construction, the construction working environment is guaranteed, ventilation can be conducted on all positions of a tunnel, and it is guaranteed that fresh air is not polluted during ventilation while efficient dust removal is achieved in a ventilation and exhaust and dust removal separated treatment mode; the blocking probability of the filter screen plate can be reduced.

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 discloses a spring-free magnetic springback type switch key, which comprises a shell, a shaft rod inserted into the shell, a magnetic column arranged in the shaft rod, an electromagnetic coil positioned in the shell and arranged outside the shaft rod in a surrounding manner, and a trigger assembly mounted in the shell and matched with the shaft rod, the shaft rod is provided with a hollow column body extending downwards, and the magnetic column is located in the hollow column body; an annular wall is arranged on the inner bottom face of the shell in an upward protruding mode, a guide groove matched with the hollow column in the shaft rod is formed, and the guide groove is used for conducting linear guiding on relative matching of the hollow column. And the electromagnetic coil is sleeved outside the ring wall. According to the switch key, the electromagnet is matched with the magnet, rebounding of the key is achieved through magnetic force, and the intensity of feedback force is flexibly changed by adjusting the magnetic force of the electromagnet.

Belonging to the field of petrochemical engineering, the invention discloses a catalytic slurry oil purification device, which comprises a tank body, and a feed end and a discharge end respectively arranged at two ends of the tank body. An upper partition plate and a lower partition plate are fixedly connected to the inner wall of the tank body, a discharging opening is formed in the upper partition plate, and a feeding opening is formed in the lower partition plate; the interior of the tank body is divided into three independent cavities by the upper partition plate and the lower partition plate; according to the scheme, the filter element is sleeved with the hollow cylinder, and the rotatable first spiral flow deflector is further arranged between the inner wall of the hollow cylinder and the outer wall of the filter element; a rotatable first spiral flow deflector is further arranged between the inner wall of the hollow cylinder and the outer wall of the filter element; a shear force generated by rotation of the first spiral flow deflector can prevent a filter cake on the surface of the filter element from forming a compact thick layer; a filter cake layer can be controlled within a relatively thin thickness range, and the rising speed of the pressure difference is delayed, so that the operation duration of a single filtering period is prolonged; and the single-time continuous treatment capacity of the device is greatly improved.

The utility model discloses an IGBT (Insulated Gate Bipolar Transistor) protection circuit, which comprises a driving module, the input control end of the driving module is connected with the cathode of a Zener diode D0, and the cathode of the Zener diode D0 is also connected to the emitter E of an insulated gate bipolar transistor Q0. The grid electrode G of the insulated gate bipolar transistor Q0 is connected to the driving output end of the driving module through a resistor R6, and the collector electrode C of the insulated gate bipolar transistor Q0 is connected with the overcurrent detection output end of the driving module through a fast recovery diode FR107. According to the technical scheme, transient voltage spikes can be effectively restrained, the IGBT is protected against overvoltage damage, the anti-interference capacity of the circuit is enhanced, a fast recovery diode FR107 is further arranged at the overcurrent detection output end of the driving module, the switching speed can be increased, the overvoltage phenomenon during switching-off is reduced, the service life of the IGBT and the driving module is prolonged, and the service life of the IGBT and the driving module is prolonged. And the working reliability of the whole circuit is improved.

The invention discloses a rainwater collecting and recycling treatment device, and relates to the technical field of rainwater treatment.The rainwater collecting and recycling treatment device comprises a plurality of splicing mechanisms used for building a rainwater collecting pool, the splicing mechanisms are internally provided with joining mechanisms for improving the supporting strength of the splicing mechanisms, and the splicing mechanisms are internally provided with joining openings. The first mounting pipe and the first taper pipe are connected in an inserted mode, tight butt joint between two parts is ensured, the first mounting pipe is inserted into the first taper pipe, the contact area is increased, the stability of the joint is improved, and the connecting block is clamped with the clamping pipe and the second clamping groove, so that the clamping effect is improved through the clamping mechanism. According to the connecting structure, the connecting blocks can be firmly spliced together to form a supporting net rack with high integrity, and when a plurality of cross-shaped connecting blocks are spliced together, the supporting capacity of the butt joint position of the first taper pipe is greatly enhanced, and deformation or breakage caused by water pressure or external loads is prevented.

The utility model discloses a quantitative medicine feeder, and relates to the technical field of medical medicine feeder, the device comprises a piston tube, a push-pull assembly is slidably connected in the piston tube, the push-pull assembly comprises a rotating rod, a thread bushing, a push rod, a palm center plate, a fixed block, a sliding plate and a piston, the bottom of the rotating rod is in threaded connection with the thread bushing, the bottom of the thread bushing is connected with the push rod, and the push rod is connected with the fixed block. A palm center plate is connected to the top of the rotating rod, fixing blocks are symmetrically arranged at the bottom of the palm center plate, sliding plates are symmetrically arranged on the outer surface of the threaded sleeve, and a piston is connected to the bottom of the push rod. Through the design of the rotating rod and the threaded sleeve, a worker can adjust the exposed length of the rotating rod by rotating the rotating rod, and then the pushing distance is limited, so that when the worker feeds medicine to a baby, the medicine feeding amount can be accurately adjusted according to the actual situation of the baby, and the risk that the baby is choked by medicine is reduced.

The invention relates to the field of police tools, and discloses a police shoulder lamp which comprises a shoulder lamp body, a buzzing sound box is installed on the left side of the shoulder lamp body, a base is arranged at the bottom of the shoulder lamp body, a shoulder strap is movably connected to the lower portion of the base, fixing assemblies are arranged on the front side and the rear side of the base correspondingly, and an anti-breaking assembly is arranged on the outer side of the shoulder lamp body. A waterproof assembly is arranged on the outer side of the buzzing sound. According to the shoulder lamp, the exterior of the shoulder lamp body is surrounded through a net-shaped structure formed between the multiple longitudinal clamping rods and the transverse clamping rods, protection is provided while the shoulder lamp body is fixed, the shoulder lamp body is prevented from directly bearing impact force, and the risk that the shoulder lamp body is damaged is reduced; and the large fragments are intercepted by a net structure formed between the longitudinal clamping rods and the transverse clamping rods, so that the situation that the face of the police officer is scratched by the large fragments due to the fact that the large fragments splash outwards is prevented.

The invention discloses a large-handling-capacity horizontal scraper discharging centrifugal machine and a using method thereof. A driving motor included in the large-handling-capacity horizontal scraper discharging centrifugal machine provides power for the centrifugal machine, and the driving motor comprises a stator and a rotor; the transmission device realizes stable and efficient transmission of power of the driving motor, and adopts a herringbone toothed belt wheel to provide large torque output; the screen basket is used for centrifugally separating materials, and solid-liquid separation of the materials is achieved through centrifugal force generated by rotating the screen basket at a high speed; the scraper adopts a small-lead spiral blade design, and the small-lead spiral blade enables the scraper to scrape materials on the inner wall of the screen basket when the scraper rotates along with the screen basket; a feeding pipe of the feeding system is a circular pipeline, the inlet end of the feeding pipe is connected with the material conveying pipeline, and the outlet end of the feeding pipe is arranged on one side of the screening basket in the tangential direction. According to the centrifugal machine, the problems of processing capacity, transmission stability, feeding mode, maintenance convenience, part protection, environmental adaptability and the like of vertical and horizontal centrifugal machines in the prior art are solved.

The utility model discloses a bending machine for machining mechanical parts, which belongs to the technical field of machining of mechanical parts and comprises a base, and a forming die is arranged at the top of the base. A guide frame is arranged on the base, a mounting plate is connected to the guide frame in a sliding manner, the mounting plate is connected with a piston rod of an air cylinder, the air cylinder is arranged on the guide frame, and an extrusion die is arranged on the mounting plate; a fixing plate is arranged on the right side of the base, a sliding rail is arranged on the fixing plate, the abutting plate is moved through the moving assembly, so that a plate can move rightwards to abut against the abutting plate when being placed on the forming die, then the placing position of the plate is positioned, and the plate can be accurately placed. And the hand wheel used for adjusting the position of the abutting plate is located on the left side of the base, and operation of workers is facilitated.

The invention discloses an energy balance controller suitable for optical storage grid connection, and relates to the technical field of photovoltaic power supply, the energy balance controller comprises a main shell, the bottom of the main shell is provided with an isolation mechanism, the interior of the main shell is fixedly provided with an inner lining plate, the front and rear surfaces of the main shell are respectively provided with a front sealing cover and a rear sealing cover, and the front and rear sealing covers are provided with an opening. An integrated module is fixedly installed on the front surface of the inner lining plate, a reinforcing outer plate is fixedly installed on the rear surface of the front sealing cover, a set of locking bases are fixedly installed on the rear surface of the reinforcing outer plate, the equipment adopts an operation mode of combining mechanical transmission and information collection, all battery packs are detected in real time, abnormal targets are rapidly found out, and the safety of the equipment is improved. A connection line between an abnormal battery pack and equipment is disconnected in time, energy release in the abnormal battery pack is accelerated by constructing an external transmission line, the purpose of rapid voltage reduction is achieved, high-voltage current is effectively prevented from directly impacting all electrical assemblies in the equipment, the probability of damage to the battery pack and the equipment is reduced, and the photovoltaic integrated body can operate efficiently all the time.

The invention relates to the field of port construction and production, in particular to a multifunctional floating operation platform for port and navigation, which comprises a plurality of floating box bodies, a deck is arranged at the tops of the floating box bodies, platform frames are arranged on the left and right sides of the top of the deck, and a head-on plate is arranged at the front end of the deck and is of a plate-shaped structure. By arranging the self-adaptive anti-impact assembly, the angle of the anti-impact plate can be automatically adjusted according to the water flow impact strength, when water flow impacts the head-on plate from the front side, the anti-impact plate can automatically rotate through the synergistic effect of a linkage plate, a first linkage block, a second linkage block, a rotating block and other components, and when water flow impact is small, the anti-impact plate can automatically rotate. The anti-impact plate is in the initial state that the anti-impact plate is flush with the left side and the right side of the deck, small water flow can be effectively prevented from interfering the internal structure of the platform, the normal working environment of the platform is maintained, and when large water flow impact occurs, the anti-impact plate can rotate to a proper angle in time, the contact area with the water flow is increased, and the water flow impact force is better received and dispersed.

The invention discloses a water quantity alarm device for a humidifying tank of a breathing machine, relates to the technical field of water quantity alarm, and solves the problems that a water quantity monitoring structure is directly contacted with liquid in the humidifying tank, the purity of the liquid in the humidifying tank is influenced in the use process, and the human health is possibly influenced. Two non-contact liquid level sensors which are symmetrically distributed are mounted on the upper side of the base, the non-contact liquid level sensors are movably attached to the outer wall of the humidifying tank, and the device further comprises a supporting assembly used for supporting the non-contact liquid level sensors; the non-contact liquid level sensor is installed on the outer side of the humidifying tank through the supporting assembly and the adjusting assembly, the water level in the humidifying tank can be detected in real time, and liquid in the humidifying tank can be prevented from being polluted; and the non-contact liquid level sensor can conveniently monitor the water level in a disposable humidifying tank or humidifying tanks of different models, so that the application range of the water quantity alarm device is effectively expanded.

The invention discloses a fruit conveying anti-blocking mechanism based on a neural network and a control method. The mechanism comprises a conveying channel, a disturbance disc connected with a motor through a universal joint, a touch sensing array and a gravity self-adaptive floating assembly. According to the mechanism, pressure data of a tactile sensing array on the surface of a disturbance disc are collected through Jetson, and the blockage state is judged in real time through a full-connection neural network; when blockage occurs, the Jetson directly controls the servo motor to change speed, the alternating inertia moment is matched with the gravity of fruits to overcome the resistance of the spring, and the disturbance disc is forced to passively incline around the center of the universal joint, so that the blockage is relieved. By means of the mode of combining motor rotating speed control and mechanical passive inclination, blockage caused by fruit accumulation is effectively damaged, and fruit damage is reduced while rapid dredging is achieved.

The utility model relates to an anti-collision frame for a beach buggy, which comprises a mounting plate provided with a contact rod on the left side, a left-right axial sleeve I is fixedly connected to one side, close to the mounting plate, of the contact plate, an inner rod I is coaxially inserted into the sleeve I, and a compression spring I is sleeved on the outer side of the inner rod I; the two axial ends of the compression spring I abut against the sleeve I and the mounting plate respectively, meanwhile, a sleeve II is inserted into the sleeve I, an inner rod II is inserted into the sleeve II, the inner rod II is sleeved with a compression spring II, and the two axial ends of the compression spring II abut against the inner rod II and the sleeve II respectively. At the moment, only the sleeve II needs to be restrained to abut against the end face of the left side of the inner rod I, the resistance borne by the contact rod can be greatly improved at a certain stage in the actual use process, and therefore the device can flexibly adapt to different working conditions, in the general environment, the small-stroke displacement of the contact rod is replaced with protection on the installation plate, and in the complex environment, the installation plate is not damaged. The contact rod is prevented from directly impacting the mounting plate through large resistance.

The present application relates to the technical field of tobacco processing, in particular to a pneumatic conveying device and method for improving the conveying efficiency of tobacco material, the pneumatic conveying device comprising a feeding pipe, a material conveying pipe and an adjustable air pipe, which are arranged in a T-shaped layout and are interconnected, wherein the feeding pipe is perpendicular to the material conveying pipe and the adjustable air pipe; a wind volume adjusting plate assembly and a constant speed spiral air hole plate are sequentially arranged from outside to inside at the inlet of the adjustable air pipe; the wind volume adjusting plate assembly is used for controlling the wind volume entering the adjustable air pipe; the constant speed spiral air hole plate is a circular plate, the outer diameter of which matches the inner diameter of the adjustable air pipe, a plurality of through holes are formed in the circular plate, the plurality of through holes are arranged in a constant speed spiral layout, and each through hole has a consistent inclination angle between the axis of the through hole and the tangent of the center of the circular plate. The present application can significantly improve the conveying smoothness of tobacco material, and can also reduce the crushing rate of tobacco sheets and other fragile materials.

The utility model discloses a photovoltaic cell EL defect sorter, and relates to the technical field of sorters. Comprising a sorter main body, the sorter main body is provided with a photovoltaic cell EL defect detection mechanism, the detection mechanism comprises a moving assembly, the moving assembly comprises an opening groove formed in the top end of the sorter main body, a positioning rod is fixed to the inner wall of the opening groove, and a sliding rail support is slidably connected to the outer wall of the positioning rod; after the camera lens is detected, the protective shell is screwed on the bolt rod on the outer side of the camera lens, the camera lens is protected through the protective shell, external physical collision and scraping can be effectively resisted, tools, parts and other hard objects are prevented from directly impacting the lens under the daily operation, maintenance or unexpected conditions of equipment, and the camera lens is protected. The surface of the lens is prevented from being scratched and damaged, the optical structure integrity of the lens is protected, the definition and accuracy of a detection image are guaranteed, and pollution of impurities and dust is prevented.

The utility model provides a purification device for gas deoxidation, which belongs to the technical field of chemical equipment and comprises a deoxidizer, a heat exchanger, a gas distributor and a powder collecting tank. The deaerator comprises a deaerator cylinder, and a raw material gas inlet pipe and a raw material gas outlet pipe are arranged at the bottom of the deaerator cylinder; the heat exchanger comprises a built-in heat exchanger and a central heat exchange tube connected to the built-in heat exchanger; the built-in heat exchanger is communicated with a feed gas inlet pipe; the central heat exchange tube is communicated with the built-in heat exchanger; the gas distributor comprises a sieve plate distributor and a cone distributor, and the sieve plate distributor is positioned above the cone distributor; the powder collecting tank is connected to the central heat exchange tube and is connected to the small end of the cone distributor; and a powder discharging pipe is arranged at the bottom of the powder collecting tank. According to the device, raw material gas can be uniformly distributed, the retention time of the raw material gas and the contact time of the raw material gas and a deoxidizing agent are prolonged, bias flow of the raw material gas is avoided, the deoxidizing effect of the deoxidizing agent is ensured, and the service life of the deoxidizing agent is prolonged.

The invention discloses a heat transfer plate module, a heat exchanger and a reactor, which relate to the technical field of heat exchange, and solve the problem that the pressure fluctuation of the fluid in the heat exchange process in the plate heat exchange module causes the welding failure between the heat exchange plate and the material pipe. The technical solution to solve the problem is mainly a heat transfer plate module, including a material pipe, a heat exchange component composed of a plurality of heat exchange plates arranged at intervals in the front and rear directions, and a back plate fixed to the left and right sides of the heat exchange component, a heat exchange space is formed between two adjacent heat exchange plates, the material pipe is connected and fixed to the upper and lower sides of the heat exchange plate group, a fluid cavity is arranged in the heat exchange plate, and the fluid cavity is connected with the inside of the material pipe, a pipe mouth guide plate is arranged on the heat exchange component, the pipe mouth guide plate is close to the material pipe and is arranged at intervals from the material pipe in the left and right directions, and a flow channel is formed between the pipe mouth guide plate and the material pipe. The invention is mainly used to avoid welding failure between the heat exchange plate and the material pipe in the heat exchange module.

The application discloses an orchard air-blast soil loosening machine, comprising a high-pressure air-blast system, which is connected with a gas storage assembly through a pipeline; the gas storage assembly comprises a gas storage tank, a soil loosening rod and an air-blast drill bit; the air-blast drill bit is centrally controlled, and a pre-splitting structure is arranged on the side wall of the end connected with the soil loosening rod; the pre-splitting metal sheet is made of elastic metal material, is arranged in a semispherical shape, and a plurality of pre-splitting micro-slits are arranged on the side wall. The orchard air-blast soil loosening machine realizes accurate protection of root systems through multi-stage structure design. The pre-splitting metal sheet is made of elastic metal material, can be unfolded from a semispherical shape under the action of high-pressure gas, and the pre-splitting micro-slits increase to form a buffer blasting area; through experimental verification, the direct damage rate of root systems can be reduced by more than 60%. The main air-blast hole is arranged obliquely, and the gas impact force can be guided to the deep soil layer in cooperation with the drill bit cone angle of 30-45 DEG, so that direct impact on the shallow absorbing roots is avoided; compared with the traditional straight-hole air-blast mode, the root system survival rate is increased to 92%.

The utility model discloses a kind of steel pipe pile supporting structures, mainly include side slope, concrete layer, two pipe pile row groups and protective layer, the water surface of side slope and backwater surface are supported and reinforced by pipe pile row group, and prevent direct impact of water flow, simultaneously, by protective structure and concrete layer on the bottom and both sides waist surface of side slope are covered and protected, further improve the stability of side slope structure, and prevent soil layer from being impacted by water flow, thereby the overall of supporting structure is relatively stable, not easy to be affected by water flow, and the laying equipment of steel pipe pile is relatively mature, operation is relatively simple, without more artificial simultaneously, to improve the efficiency of construction.

This invention relates to the field of aircraft assembly technology and discloses an aircraft assembly lift, including a fixing assembly. The fixing assembly houses a first lifting assembly, and the first lifting assembly houses a fifth lifting assembly. The bottom of the fifth lifting assembly has a supporting foot, the top of which is fixedly installed to the bottom of the fixing assembly. The fixing assembly includes a fixed outer cylinder, an electrical unit fixedly connected to the outer side of the fixed outer cylinder, a support fixedly installed at the bottom of the fixed outer cylinder, a first cover fixedly connected to the outer side of the support, the outer side of the first cover fixedly installed to the outer side of the fixed outer cylinder, and a first gasket fixedly connected to the outer side of the support. This aircraft assembly lift uses four high-strength linear guides for its slide rails. When the lift is raised, it facilitates lateral drilling. When the lift is close to the aircraft fuselage or work frame, the handle can be rotated to tighten the screws and connect to the side interface.

This utility model discloses a hot and cold stratified oil tank system with carbon recovery and multi-stage filtration functions, relating to the field of machine tool oil cooling technology. It includes an oil tank body; the oil tank body has a hot oil chamber and a cold oil chamber; the oil tank body is provided with a hot oil inlet, a hot oil outlet, a cold oil inlet, and a cold oil outlet; the hot oil inlet and hot oil outlet are opposite each other and both communicate with the hot oil chamber; the cold oil inlet and cold oil outlet are opposite each other and both communicate with the cold oil chamber; a settling tank is provided at the bottom of the hot oil chamber, and the settling tank can be removed from the hot oil chamber; a hot oil filter chamber is provided inside the hot oil chamber, located above the settling tank, and a hot oil filter assembly for filtering the flowing hot oil is provided inside the hot oil filter chamber; a transition chamber is provided at one end of the hot oil filter chamber near the hot oil inlet, the transition chamber communicating with the hot oil filter chamber and the settling tank. This system enables internal cleaning of the oil tank and reduces waste.

The utility model relates to the technical field of new energy batteries, and discloses a single battery and a battery pack, the single battery comprises: a housing having an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the cover plate comprises a top cover piece and lower plastic, and the top cover piece is provided with a liquid injection hole; the lower plastic comprises a body and an abutting table, the abutting table comprises a side plate and a bottom plate connected with the side plate, the body is fixedly connected with the side plate, the bottom plate abuts against the electrode assembly in the first direction, a slow flow cavity is defined by the side plate, the bottom plate and the top cover piece, the slow flow cavity is communicated with the liquid injection hole, the liquid injection hole and the bottom plate are oppositely arranged in the first direction, and the side plate is further provided with an opening. The opening communicates with the slow flow cavity and the containing cavity. When the electrolyte is injected, the electrolyte impacts the bottom plate in the first direction, slows down in the slow flow cavity and then enters the containing cavity through the opening, and the electrolyte is prevented from directly impacting the electrode assembly; the bottom plate abuts against the electrode assembly in the first direction, enough electrolyte buffer space can be guaranteed, and the phenomenon of liquid overflow is avoided.

The utility model discloses a silent aluminum profile frame applied to sliding doors and windows, which relates to the technical field of aluminum profile silence and comprises an aluminum profile frame body, a first mounting groove is formed on one side of the aluminum profile frame body, and a first magnetic belt is mounted on the inner bottom wall of the first mounting groove; a mounting seat is slidably arranged on the first mounting groove, and the sliding direction of the mounting seat on the first mounting groove is the same as / opposite to the door and window impact direction; a second magnetic belt corresponding to the first magnetic belt is mounted on the mounting seat, and the magnetic pole directions of the corresponding magnetic pole faces of the first magnetic belt and the second magnetic belt are the same; a damping contact piece is installed on the side, back on to the first magnetic force band, of the installation base and penetrates out of the first installation groove in the direction away from the first magnetic force band, and when the damping contact piece is aged, the magnetic repulsive force generated between the first magnetic force band and the second magnetic force band can still continuously counteract the impact force. As a silence and shock absorption auxiliary structure, the silence and shock absorption auxiliary structure has good silence and shock absorption effects and good applicability.

The present invention relates to the technical field of power tower protection, and discloses a safety protection structure for a power tower, comprising a power tower protection seat, wherein reflective strips are installed at both left and right ends of the front surface of the power tower protection seat, a plurality of support blocks are evenly installed at the lower edge of the front surface of the power tower protection seat, a partition component is arranged on the upper surface of the power tower protection seat, and a stabilizing component is arranged on the rear surface of the power tower protection seat. The present invention is provided with a stabilizing component, wherein a first mounting plate, a first docking rod, a second docking rod and a stabilizing plate in the stabilizing component form a triangle, and the power tower protection seat is supported by utilizing the principle that the triangular structure is the most stable, thereby avoiding the problem of the power tower protection seat being unstable when fixed in the soil layer; a stainless steel smooth rolling ball is installed on the outside of the connecting rod in the partition component, and together with the third connecting plate, snakes, squirrels and other animals can be blocked to prevent them from climbing over the power tower protection seat and climbing onto the power tower to affect power failure.

The invention discloses a gas-liquid cylinder which comprises a cylinder body, a piston is arranged in the cylinder body, a piston rod with the end extending out of the cylinder body is connected to the piston, a gas chamber and an oil chamber are correspondingly formed in the two sides of the piston in the cylinder body respectively, a gas channel communicated with the gas chamber is formed in the cylinder body, and the oil chamber is communicated with the gas channel. The cylinder body is further provided with an independent oil inlet and an independent oil outlet which are communicated with the oil chamber, and a switch valve is arranged at the oil outlet. When the piston rod extends outwards, the switching valve is closed to close the oil outlet, hydraulic oil is input into the oil chamber from the oil inlet, and gas in the gas chamber is compressed to form pre-pressure; and when the piston rod resets, the switching valve is opened to open the oil outlet, and the hydraulic oil in the oil chamber is discharged from the oil outlet. The reset mechanism has the advantages of being reasonable in structure and high in reset speed.

The invention relates to the technical field of cutting devices, and discloses a photovoltaic solar panel cutting device which comprises a bottom plate, a support is fixedly mounted on the upper surface of the bottom plate, and a driving motor is fixedly mounted on one side of the support. During use, photovoltaic panels to be cut are placed above one end of the whole device, are put down to the bearing assembly one by one for bearing and conveying, are cut by the cutting head in the conveying process, and then pass through the splitting area corresponding to the buffer guide assembly, so that the upper splitting mechanism compresses the whole buffer guide assembly downwards in the process of pressing down the photovoltaic panels, and the photovoltaic panels are cut by the cutting head and then pass through the splitting area corresponding to the buffer guide assembly. The split photovoltaic panels on the two sides slide towards the interiors of the outer frame bodies on the two sides on the upper portion of the bearing assembly, an airflow buffer layer is formed at the bottom ends of the photovoltaic panels through airflow sprayed out of the guide bases, then the photovoltaic panels are prevented from directly impacting the upper surfaces of the guide bases, and it is guaranteed that the photovoltaic panels are collected well.

The utility model relates to a thermocouple field discloses a kind of wear-resistant thermocouples, including junction box, the inside fixed mounting of junction box has hot electrode, the outer wall of hot electrode is equipped with insulating sleeve, the bottom of junction box is connected with the protective sleeve being provided, and hot electrode is inside the protective sleeve, the outer wall bottom of the protective sleeve is provided with flow guide mechanism, the flow guide mechanism includes outer thread, and the outer thread is fixedly connected in the outer wall bottom sleeve of protective sleeve.In the utility model, excellent wear resistance is realized by flow guide mechanism, the flared structure of flow guide cover can increase medium contact area, reduce high-speed medium in pipeline to low speed, greatly reduce abrasive impact force, while inner wall guide medium flows along cover body outside, avoiding hot electrode measuring end;Two sides flow guide plate and the connecting rod of bottom, front and back side form protective frame, further isolate abrasive impact, effectively avoid protective sleeve rapid wear, significantly prolong the service life of thermocouple.