176results about How to "Prevent gnawing" patented technology

The invention discloses a septic tank special material with good processing fluidity. The septic tank special material is prepared from the following components in parts by weight: 100 parts of HDPE (high-density polyethylene); 5 to 20 parts of calcium carbonate; 1 to 10 parts of PP (propene polymer); 1 to 5 parts of naphthenic oil; 0.5 to 2 parts of zinc stearate. The invention also discloses a preparation method of the septic tank special material. The preparation method comprises the following steps: S1, mixing the HDPT, the calcium carbonate, the PP, the naphthenic oil, the zinc stearate and the SEBS, softening and fusing; S2, smashing an anti-bio agent and spraying on LLDPE (linear low density polyethylene) flux, and cooling to room temperature, so as to obtain an anti-bio microcapsule; S3, adding the anti-bio capsule obtained in S2 into the fusant of S1, and performing injection molding.

The invention discloses a peeling device for corn ears and a corn combine provided with the device. The peeling device for the corn ears comprises a support and a peeling mechanism mounted on the support, wherein the peeling mechanism comprises a driving mechanism, peeling opposite rollers and a flexible pressing and holding mechanism; the peeling opposite rollers and the flexible pressing and holding mechanism are connected with the driving mechanism respectively; a peeling passage is formed between the peeling opposite rollers; the flexible pressing and holding mechanism is arranged corresponding to the peeling passage above the peeling opposite rollers; a fruiter ear passage is formed between the flexible pressing and holding mechanism and the peeling opposite rollers; and the flexible pressing and holding mechanism is used for pressing corn ears on the peeling opposite rollers so as to strip the peels of the corn ears. The corn combine comprises a rack as well as a travelling chassis, a power transmission system, a rear picking platform, a transport auger, a lift conveyer, a corner ear peeling device and an ear box which are mounted on the rack. The peeling device and the corn combine can meet requirements of a fruit rear peeling machine for the peeling rate and the grain damage rate.

The invention discloses an automatic drinking device and device for pets. The device structurally comprises an upper shell and a lower shell, the top of the upper shell is provided with a water inlet channel and a USB interface, and the water inlet channel is connected to a water resource through a water guide pipe. The upper shell is internally provided with a water storage bottle; the water storage bottle comprises a bottle body, an upper bottle plug and a lower bottle plug, the upper bottle plug is arranged at the top of the cylindrical bottle body, and the lower bottle plug is arranged at the bottom of the cylindrical bottle body; a water inlet hole and a vent hole are formed in the upper bottle plug, the water inlet hole is connected with the water inlet channel through the water guide pipe, and the water guide pipe is provided with a peristaltic pump; the water storage bottle is internally provided with a water level sensor, the lower bottle plug is provided with a water outlet which is connected with a water nozzle, the water nozzle penetrates through the front side wall of the upper shell and stretches out, and the tail end of the water nozzle is provided with a steel ball; a communication module, a control main board, the peristaltic pump and the water level sensor are electrically connected. By means of the automatic drinking device and method, automatic drinking in the pet raising process can be achieved, and the water level in the water storage bottle can be monitored in real time.

The invention discloses a three-core cable preventing biting of mice and termites. The three-core cable comprises three sets of wire cores. Each set of wire core comprises a copper core conductor which is arranged in the internal layer and a halogen-free low-smoke polyolefin insulating layer which is arranged in the external layer. The periphery of the three sets of wire cores is provided with a copper tape shielding layer, a drainage layer, a polyethylene resin internal protective layer, a carbon fiber layer, a galvanized steel tape armored layer and an external protective layer which are arranged from inside to outside in turn. Termite repelling agent microcapsules and mouse repelling agent microcapsules are evenly arranged in the external protective layer. Elastic waterproof ointment is filled between the three sets of wire cores and the copper tape shielding layer. The termite repelling agent microcapsules and the mouse repelling agent microcapsules are arranged in the external protective layer so that the effect of repelling the mice and the termites can be realized, and the service life of the cable can be enhanced without accident; besides, the galvanized steel tape armored layer is arranged so that the pressure resistance of the cable can be increased and biting of the mice and the termites can also be prevented; and the cable also has high strength and great waterproof and anti-ultraviolet effect.

The invention discloses a power distribution cabinet operation monitoring system based on big data. The system comprises two audible and visual alarms, a controller, a fire extinguisher, two electromagnetic valves, a sensor, an exhaust fan, a monitor, an electric cabinet air conditioner, a wireless module, a server terminal and an access control module. The audible and visual alarms are respectively used for driving close organisms of the power distribution cabinet and monitoring and reminding background personnel. Fire extinguishers are used for storing dry powder, and the two electromagnetic valves are respectively used for controlling output of the dry powder of the fire extinguishers and discharge of liquid in the power distribution cabinet. The beneficial effects of the invention arethat: environment of the power distribution cabinet is monitored more comprehensively; corresponding solutions can be adopted for problems; the exhaust fan and the electric cabinet air conditioner work alternately, so that the purpose of reducing energy consumption is achieved, the problem that information data is lost due to the fact that the data cannot be uploaded in real time can be prevented, access control recognition is still effective under the condition of network disconnection, and access control information is rapidly synchronized.

The invention relates to an elastic seal ring, the top and the bottom of the inner ring surface of which are respectively distributed with an aperture extending along circumferential direction; an air conducting groove for communication is arranged between the top aperture and the bottom aperture; the section of the inner ring surface of the seal ring is E-shaped; a semi-O-shaped convex integrated with the ring body is arranged between the top and the bottom working surfaces of the ring body and the corresponding top and bottom apertures. The seal ring adopted by the invention has double functions of gauging sealing and active sealing, which can compensate to cause a second sealing when the situation that gauging sealing is failed for abnormal sealing conditions which do not meet the design appear, so as to ensure that the sealing structure has larger 'redundancy' and enhanced reliability; therefore, the seal ring can be installed and used in a novel self-sealing flange and existing flanges and can also be used as the seal ring of pressure air pipe sealing and connecting except a flange joint and is characterized by reasonable structure, convenient use, low cost and reliable sealing.

The invention discloses a TPU sheath material for charging cables as well as preparation and application of the TPU sheath material. According to the technical scheme, thermoplastic polyurethane (TPU)is adopted as a matrix, a modifier, a compatilizer, a halogen-free flame retardant, a flame retardant synergist, a lubricant, an antioxidant and a rat-proof agent are added, all the components are matched with one another to achieve a synergistic effect, so that the cable sheath material can ensure the original good processability and elasticity of thermoplastic polyurethane (TPU) and has good mechanical properties, heat resistance, low temperature resistance, wear resistance, chemical liquid resistance, water resistance and flame retardancy, the cracking resistance of the TPU sheath materialis also significantly improved, and the material is effectively prevented from being bitten by rats and has an excellent surface matte effect.

The first purpose of the invention is to provide a forging and pressing method of steel rail heel; a steel rail heel comprises a pre-forging heel and a final forging heel; the pre-forging heel comprises a first section, a second section, and a third section; the final forging heel comprises a fourth section and a fifth section; the method specifically comprises the following steps: implementing a first stage forging and pressing after heating the first section, the second section and the third section, wherein the first two sections are molded by forging and pressing, the third section is pre-deformed; and implementing a second stage forging and pressing after heating the last three sections. The provided forging and pressing method adopts a measure of molding twice, thereby being able to solve the defect that the size of the molded final forging heel is unqualified, as well as greatly reducing the molding force in the entire steel rail heel product molding process. The second purpose of the invention is to provide a three-position molding die with a simple integral structure; a second upper die section inside a pre-forging rail molding cavity and a first pre-forging insert inside a final forging molding cavity are both in detachable structures, thereby meeting different requirements to the three-position molding die in the twice forging and pressing process; the three-position molding die is convenient to be assembled, and strong in practicability.

The invention discloses a start-up method of a finishing rolling unit of hot-rolled wide-band steel. The start-up method of the finishing rolling line for hot-rolled wide-band steel includes the following steps: controlling the hydraulic cylinders of the rolling mills of the finishing rolling line to perform static pressing, so that there is static pressure between the work rolls and the backup rolls of the rolling mills; When the static pressure reaches the set value, the hydraulic cylinders of each rolling mill are controlled to stop pressing, and then start normally. According to the present invention, by increasing the static pressure between the work rolls and the backup rolls before the starting of the finishing rolling unit, the start-up conditions of the rolling mill can be improved, and the disadvantage of insufficient power of the work rolls to the backup rolls can be overcome, thereby effectively avoiding major problems such as roll gnawing. equipment accident.

The invention discloses an optical fiber coupler, and relates to the technical field of optical fiber couplers, the optical fiber coupler comprises an optical fiber coupler body, two sides of the optical fiber coupler body are fixedly connected with mounting frames, the mounting frames are also provided with rat-proof mechanisms, each rat-proof mechanism comprises a box body, the box body is provided with a through cavity, and an optical fiber is inserted through the cavity; a plurality of movable bulges are arranged at the bottom of the cavity and are distributed in a rectangular array; a plurality of first air bags are positioned under the plurality of movable bulges; a plurality of first air bags are communicated with at least two second air bags; an exhaust channel is communicated withthe second air bags, and a piston plate and a connecting rod are arranged in the exhaust channel; a lower pressing plate is fixedly connected with the connecting rod, the lower pressing plate is located at the top of the cavity, and sharp conical teeth are densely distributed on the lower surface of the lower pressing plate; and an elastic lifting lug is arranged at the top of the cavity, and theelastic lifting lug is used for fixing the lower pressing plate.

The invention relates to an anti-gnawing insect-expelling composite protective agent special for jasmine flowers. The composite protective agent is prepared by mixing the following raw materials in parts by mass: 5-7 parts of dried blood of livestock and poultry animals; 10 to 15 parts of coffee grounds; 5-7 parts of rhizoma alpiniae officinarum; 8-10 parts of folium desmoris chinensis; 8 to 10 parts of cortex meliae; 8-10 parts of brucea javanica and 5-7 parts of Chinese fevervine herb and root; non-toxic biological raw materials and waste are used as raw materials, the manufacturing cost islow, use is convenient, livestock can be prevented from biting jasmine plants, and the effects of insect prevention and expelling are achieved.

The invention relates to a compatible technology for thermal expansion displacement adjustment and control over a hot water main pipeline. According to the compatible technology, the main pipeline, branch output pipelines distributed on the main pipeline and branch input pipelines connected with the branch output pipelines are included; the branch output pipelines comprise input first connectors,input second connectors and branch thermal expansion redundancy devices, wherein the main pipeline is connected to the input ends of the input first connectors, the branch input pipelines are connected to the output ends of the input second connectors, and the branch thermal expansion redundancy devices are connected between outlets of the input first connectors and inlets of the input second connectors; and the branch thermal expansion redundancy devices comprise input connection discs arranged at the outlets of the input first connectors, input end face sealing rings arranged at the backs ofthe input connection discs, input axial sealing rings arranged on the outer side walls at the outlet ends of the input first connectors and intermediate flexible connection assemblies connected between the outlets of the input first connectors and the inlets of the input second connectors. The compatible technology has reasonable design, a compact structure and convenient use.

The invention discloses a colorful anti-ultraviolet polyethylene cable outer sheath material. The material is prepared from 25 to 42 parts by weight of high density polyethylene, 12 to 22 parts by weight of linear low density polyethylene, 2 to 5 parts by weight of colorful master batches, 1 to 3 parts by weight of a lubricant, 0.2 to 0.5 part by weight of an antioxidant, 1 to 3 parts by weight of an ultraviolet absorber, 8 to 12 parts by weight of basalt fibers, 3 to 8 parts by weight of glass fibers, 2 to 4 parts by weight of bifenthrin, 6 to 12 parts by weight of toluene, and 5 to 8 parts by weight of capsaicin. The colorful anti-ultraviolet polyethylene cable outer sheath material has excellent anti-ultraviolet and anti-aging performances and excellent mechanical properties, can prevent fading of the cable for a long time, can prevent rat and termite eating and can prolong an optical cable service life.