69results about How to "Extend the service life" patented technology

The invention provides a key technique for scientific healthy farming of pigs. The key technique includes a sow mating technique, a sow pregnancy management technique and a production sow and neonatal piglet feeding and management technique. Through the fine management and health caring for sow mating and pregnancy and the production and neonatal piglets, pregnancy rate is above 95% for sows, barren rate is greatly reduced, service life of each sow is prolonged, attack rate of reproductive system diseases is greatly reduced, the delivery rate is accurate, the farrowing rate is high, live farrowing rate is above 98%, the average bearing rate of each sow is 12 to 14 piglets, the sows are of high milking capacity in the post-farrowing suckling phase, milk quality is high, milking peak period can be prolonged, the neonatal piglets are of uniform physique, healthy and high in disease resistance, weaning weight of the piglets after weaning at the age of 24 days is above 7kg, farm cultivation cost can be reduced, the economic benefit can be increased, and the key technique has promising application prospect.

The invention discloses a water-based ultraviolet curing coating including the following components in parts by weight: 65 to 85 parts of a water-based ultraviolet curing resin, 3 to 10 parts of a water-based reactive diluent, 1 to 3 parts of a photoinitiator, 1 to 2 parts of water, and 1 to 4 parts of an ultraviolet absorber. The water-based ultraviolet curing coating can be directly diluted with water, can be used for spray coating and roller coating, has the hardness which can reach more than 2 H, effectively improves durability and light fastness of light colored wooden wares transparently coated with the water-based ultraviolet curing coating, has excellent environmental protection performance and high construction efficiency, is suitable for coating of outdoor wooden ware products, and improves the service life period of the outdoor wooden ware products.

The invention provides a method for treating corrosion of a cable chain. The method comprises the steps of: placing a pre-treated penetration piece into a mechanical energy penetration aiding device for thermal treatment, treating the penetration piece by chromate, and painting coat primer and cable chain paint so as to improve the anticorrosion property of the cable chain. The method has a long service life, low annual average cost, saves construction cost and reduces paint consumption. In a word, the heavy anticorrosion coating is low in comprehensive cost of the service life, the cost consumption, or the construction cost and remarkable in economic benefit.

The invention relates to a sealant, and in particular relates to a high-performance organosilicone sealant for a photovoltaic (PV) module. The high-performance organosilicone sealant for the PV module comprises the following components in parts by weight: 100 parts of (alpha, omega) dihydroxyl polydimethylsiloxane, 50-200 parts of super-fine reinforcing powder, 10-100 parts of functional powder adjuvant, 3-8 parts of methyltris (methylethylketoxime) silane, 1-4 parts of vinyltris(methylethylketoximino)silane, 1-3 parts of tetra-(methylethylketoxime)silane, 5-20 parts of fumed silica, 0.2-3 parts of 3-aminopropyltriethoxysilane, 0.2-4 parts of gamma-glycidoxy propyl trimethoxy silane and 0.05-0.5 part of organosilicon condensation reaction catalyst. The organosilicone sealant has the advantage of good comprehensive performances and can help prolong the service life of solar products.

The invention discloses a state indicator with a gap line surge arrester, relating to the lightning-proof protection device. The invention has a structure which is as follows: an energy taking part (1) is connected in series on an earth wire of the arrester, a low-current counting circuit (2) and a high-current counting circuit (3) as well as an alarm indicating circuit (4) are respectively connected with corresponding terminals of the energy taking part (1) to obtain energy; the high-current counting circuit (3) is connected with the alarm indicating circuit (4) and provides a switch control signal for the alarm indicating circuit (4); the alarm indicating circuit (4) is connected with an alarm indicating mechanism (5) and controls the alarm indicating mechanism (5) to operate; a clear mechanism (6) of a counter is connected with the high-current counting circuit (3) to realize the zero clearing. The state indicator is an inactive component and has practicability and economical efficiency as well as long service life and strong visibility, and is suitable for the on-line monitoring of the MOX arrester with a gap line with a voltage of 35 or more than 35 kV.

The invention discloses a hollow slab grider bridge longitudinal prestressing reinforcement method. The hollow slab grider bridge longitudinal prestressing reinforcement is characterized in that a route is so designed that a folded prestressing tendon is in the longitudinal direction on the a hollow slab grider bridge, a small steel grider is made, according to the designed route of the folded prestressing tendon on the hollow slab grider bridge, holes are dilled on the hollow slab grider bridge, the folded prestressing tendon penetrates through the holes of the hollow slab grider bridge, a redirector is arranged on the junction of the horizontal segment and the inclined segment of the folded prestressing tendon, the redirector is arranged on the lower side surface of the hollow slab grider bridge, the installing position of the folded prestressing tendon is cut on the end portion of the hollow slab grider bridge in the transverse direction, the small steel grider is crosswise arranged on the bridge, the folded prestressing tendon penetrates through the small steel grider and the end portion of the folded prestressing tendon is fixed in an anchored mode through the tension of an anchorage. The hollow slab grider bridge longitudinal prestressing reinforcement method has the advantages of being capable of enhancing longitudinally bearing capacity of the hollow slab grider bridge, reducing occupations at elevated heights under the bridge, increasing longitudinal flexural capacity, improving shear capacity of the bridge, and quickly completing most construction on the bridge surface.

The utility model relates to a preparation method for continuous hot dip tin using big diameter copper casting steel wire, which is mainly characterized in the following procedures. (1) Thick drawing: the high quality low carbon steel wire rod is drawn into coiled wire rod using a wire drawing machine; (2) Copper casting: the coiled wire rod is dried and heated in the heating furnace and then casts into a copper clad steel coiled wire rod roughcast in the power frequency copper casting furnace; (3) Thin drawing: the copper clad steel coiled wire rod roughcast is drawn into single strand copper casting steel wire by the wire drawing machine; (4) Heat treatment: the coiled wire rod is loaded to be heated in the vacuum annealing oven to get a single strand long length soft copper casting steel core wire; (5) Hot dip tin: dip the copper casting steel core wire which has been marinated in the zinc chloride solution into the tin liquid subsequently to get a single strand big diameter grounding steel wire. The hot dip tin copper casting grounding steel wire prolongs the service life compared with the prior copper casting steel core ground line because the dip tin copper casting grounding steel wire prolongs the complete corruption time of tin.

The invention discloses a motor vehicle aluminum alloy wheel hub retreading repair method. The method at least comprises the following steps: 1, repairing a substrate of a wheel hub; and 2, performing original aluminum alloy wheel hub coating. According to the method disclosed by the invention, the surface hardness adhesion force and service life of the repaired aluminum alloy wheel hub can be improved and prolonged; and moreover, the surface of the repaired aluminum alloy wheel hub is new, so that the repair quality is improved, lots of resources are saved, and the environment is protected.

The invention discloses acrylic primer suitable for polyvinylidene fluoride (PVDF) finish paint. The acrylic primer comprises 20%-30% of thermosetting acrylic resin, 30%-40% of organic solvent, 15%-20% of titanium dioxide, 6%-10% of padding, 5%-10% of PVDF resin, 2%-5% of promoter, and 4%-8% of isocyanate resin. The invention further discloses a preparation method of the acrylic primer. The preparation method of the acrylic primer comprises choosing each component according to a formula, and placing the thermosetting acrylic resin, the organic solvent and the promoter into a stirring machine to stir for a first time; adding the titanium dioxide and the padding into the stirring machine to stir for a second time; placing the mixture into a basket-type sand mill to grind for a first time, adding the PVDF resin to grin for a second time and obtaining a semi-finished product; combining the semi-finished product and other components in the formula together to stir for a third time and disperse evenly and obtaining a finished product. The acrylic primer is good in weather fastness, machining property, shock resistance and flexibility.

The invention relates to a printing and dyeing device for a cloth material, in particular to an efficient printing and dyeing device for the cloth material. The efficient printing and dyeing device for the cloth material achieves the technical purposes that printing and dyeing are uniform, air drying can be performed in the printing and dyeing process, and no printing and dyeing agent residue is contained. In order to achieve the technical purposes, the efficient printing and dyeing device for the cloth material comprises a printing and dyeing pond, a discharging roller, an electric receiving roller, a left guiding roller, a right guiding roller, a first guiding roller, a second guiding roller, an upper guiding roller, a first motor, a rotating rod and the like. The upper portions of the left and right sides of the printing and dyeing pond are provided with the discharging roller and the electric receiving roller respectively. The upper portions of the left and right sides inside the printing and dyeing pond are provided with the left guiding roller and the right guiding roller respectively. The first guiding roller and the second guiding roller are symmetrically arranged inside the printing and dyeing pond. The mode of two-time printing and dyeing is adopted, a fan is used for performing air drying on the cloth material obtained after two-time printing and dyeing, and a printing and dyeing agent is prevented from being stuck to the inner wall of the printing and dyeing pond through a stickiness removal structure.

The invention discloses a fiber reinforced composite material rib concrete drainage pipe pile which comprises a pile body, an end plate and inner sleeves. The pile body is internally provided with fiber reinforced composite material ribs. Carbon fiber is adopted for the material ribs to serve as the reinforcing materials, and unsaturated polyester or epoxy resin or phenolic resin serves as the base body. The material ribs are sleeved with steel pipes. The inner wall of the pile body is evenly provided with concrete protrusions, and the pipe pile body is evenly provided with a certain number of drainage holes. According to the fiber reinforced composite material rib concrete drainage pipe pile, steel ribs are replaced by the fiber reinforced composite material ribs, the problem that ordinary reinforced concrete piles are prone to crack after being pulled is effectively solved by the adoption of the advantages of the high-elasticity modulus, corrosion resistance and the like of carbon fiber ribs, and the service life of the permeable pipe pile is prolonged. Meanwhile, the fiber ribs are sleeved with the steel pipes, and the fiber ribs are separated from the concrete, so that the situation that a concrete structure interface is stripped and damaged due to insufficient fiber rib-concrete interface strength is avoided, and the inner wall of the pile body is creatively provided with the concrete protrusions so that the permeable pipe pile can be pulled out in the future demolition conveniently to rebuild the building foundation.

The invention belongs to the technical field of melting furnace maintenance, and particularly relates to a method for replacing a pool wall brick of a glass melting furnace. The method comprises the following steps: S1: providing a new pool wall brick and a new cushion brick, and preheating the new pool wall brick; S2: reducing the height of the surface of the glass liquid in the melting furnace in which the old pool wall brick is to be replaced, forming an opening in the old gap brick at the upper end of the pool wall of the melting furnace, and then injecting the cooling liquid into the glass liquid through a liquid injection pipe through the opening and cooling the glass liquid; S3: removing the old pool wall brick and the old cushion brick at the glass liquid after the glass liquid iscooled and solidified; S4: loading the new cushion brick, vertically arranging the preheated new pool wall brick on the new cushion brick, and fixing the assembled new cushion brick and the new pool wall brick through a fixing mechanism; S5: repeating the steps S2 to S4, and gradually completing the replacement of the old pool wall bricks and the old cushion bricks to be replaced, so that the service life of the melting furnace is effectively prolonged, and more economic benefits can be created for the melting furnace.

The invention discloses integrated equipment for crushing, grinding and processing refractory raw materials. The integrated equipment for crushing, grinding and processing the refractory raw materialscomprises a crushing chamber, a stirring box and a grinding chamber, wherein supporting plates are fixed on the left side and the right side of the crushing chamber; connecting pieces are fixed on the upper sides of a first electric telescopic rod and a second electric telescopic rod; a gravity sensor is embedded in the bottom end of the interior of a weighing box; a feeding port is formed in theupper side of the crushing chamber; the right side of a first driving motor is rotatably connected with a first driving gear; a crushing roller is arranged in the crushing chamber; the left side of the stirring box is provided with a second driving motor; the right side of a second driving gear is fixedly provided with a stirring rod; an electric valve penetrates through the lower side of the interior of the stirring box; and a third electric telescopic rod is arranged on the right side of a second discharging port. The integrated equipment for crushing, grinding and processing the refractoryraw materials is provided with the weighing box, the gravity sensor in the weighing box is used for weighing the raw materials, and the weighed raw materials directly enter the feeding port, so thatthe raw materials are prevented from scattering or leaking.

The invention discloses a high-weatherability nonmetal split mounting type inverter machine room. The high-weatherability nonmetal split mounting type inverter machine room comprises a framework body; a top cover and a base are arranged on the framework body in a split mounting mode; a top frame, a bottom frame and stand columns are mounted and fixed through first angle parts to form the framework body; door sheet surrounding frames are further disposed on the framework body; the door sheet surrounding frames are fixed together with the top frame and the bottom frame through second angle parts; door sheets are installed in the door sheet surrounding frames; wall boards are clamped into the framework body; and accordingly, a machine room body is formed. In this way, the high-weatherability nonmetal split mounting type inverter machine room is good in weatherability, the service life is greatly prolonged, the whole structure of the machine room is compact, the compatibility is high, the machine room can be built only by very few persons, the production efficiency is greatly improved, and the cost is reduced.

The invention belongs to the technical field of moschus berezovskii breeding and discloses a method for prolonging moschus secretion of old-aged moschus berezovskii. The method comprises the following steps: preparing a medicament: compounding a medicament loading bar with a gonadotropin-releasing hormone analogue, delivering the medicament into collagen with 0.3 million units, and then carrying out in-situ freeze drying to construct collagen-testosterone propionate and a collagen-gonadoliberin sustained release preparation; implanting the medicament at high dose by minimal invasion and heeling in neck subcutaneous tissues of male moschus berezovskii. According to the method disclosed by the invention, the male moschus berezovskii who does not secrete moschus secrete the moschus by adopting source hormones through positive feedback stimulation of gonadotropin-releasing gonadal hormonee; the yield of the moschus can be increased under the condition that the number of breeding populations is limited and economic benefits of the moschus berezovskii are greatly increased; the life quality of the moschus berezovskii serving as an endangered animal under the captivity condition is favorably improved; technical support is provided for increasing the yield of animal medicinal moschus as a traditional Chinese medicine, and the industrial development of artificially breeding the moschus berezovskii is favorably promoted.

The invention relates to a radiant floor heating pipeline pulse cleaning machine. The pulse cleaning machine comprises a gas storage tank, wherein a pulse generator and an air compressor are mounted on the upper part of the gas storage tank; a pulse generator inner pressure meter, a time relay, a water inlet indicator lamp, a high pressure air indicator lamp, a power switch and a muffler are mounted on the pulse generator. The pulse generator and the air compressor solve the problem of carry inconvenience; solve the problem of poor water circulation in the radiant floor heating pipes, radiators and tap water pipelines caused by scale and silt which are generated after the radiant floor heating pipelines, the radiators and the tap water pipelines are used for a long time; solve the waste problem that the pipelines are directly abandoned due to bad cleaning effect of scale and silt; and solve the time consuming problem in the use process. The scale and silt in the radiant floor heating pipelines, the radiators and the tap water pipelines can be thoroughly cleaned and the service life of the pipelines can be prolonged.

The invention discloses a petroleum pipe support capable of automatically adjusting horizontal stress of a pipe. The petroleum pipe support comprises a supporting base, a fixing mechanism is fixedly connected to the lower end of the supporting base, a placing groove is formed in the upper end of the supporting base, two fixing bases are fixedly connected to the inner bottom of the placing groove,a U-shaped plate is fixedly connected to the upper ends of the fixing bases and is internally provided with a movable plate, guide rods are fixedly connected to both ends of the movable plate, the ends, away from the movable plate, of the guide rods penetrate through the U-shaped plate separately and are fixedly connected with connecting plates, and buffering mechanisms are fixedly connected to the ends, away from the guide rods, of the connecting plates. The petroleum pipe support is compact in structure, through a supporting plate, certain motion is conducted in the horizontal direction, thus the horizontal stress exerted on a supporting frame is offset to a certain extent, under the condition of not influencing the fixation effect of the supporting frame, the abrasion generated due to stress is reduced to the greatest extent, and the using effect is good.

The invention relates to a waste water utilization device, in particular to a waste water recycling power-generation device, comprising a waste water treatment box mechanism, a lifting filter screen mechanism, a rotary activated carbon box mechanism and a power generating mechanism. According to the device, a water inlet pipe can be locked, waste water can be purified, a filter screen can be pulled out to be cleaned and changed, waste water can be purified by activated carbon, an activated carbon box can be detached movably, power generation can be achieved, and the device has long service life as guaranteed; since the lifting filter screen mechanism is in bolt connection with the waste water treatment box mechanism, the rotary activated carbon box mechanism is also in bolt connection withthe lifting filter screen mechanism, the rotary activated carbon box mechanism is connected with the waste water treatment box mechanism through bearings, and the power generating mechanism is weldedwith the waste water treatment box mechanism.

The invention discloses an unmanned aerial vehicle with an anti-collision protection function. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, support rods and wings, wherein anunmanned aerial vehicle shell is arranged on the outer side of the unmanned aerial vehicle body; an anti-collision device is arranged on the outer side of the unmanned aerial vehicle shell; a heat radiating device is arranged in the unmanned aerial vehicle body; an air outlet and an air inlet are formed in the upper end and the lower end of the unmanned aerial vehicle body; the support rods are connected with the unmanned aerial vehicle shell through foldable support pieces; the wings are connected with the unmanned aerial vehicle shell through hinge components. According to the unmanned aerial vehicle with the anti-collision protection function, the support rods and the wings can be folded through the foldable support pieces and the hinged components, so that a storage space of the unmanned aerial vehicle can be reduced, and the unmanned aerial vehicle can be conveniently carried by a user; the heat radiating device is arranged in the unmanned aerial vehicle body, so that heat produced when the unmanned aerial vehicle body works is favorably radiated; the anti-collision device is arranged on the outer side of the unmanned aerial vehicle shell, so that a collision force between anexternal object and the unmanned aerial vehicle body can be favorably buffered and dissipated.

The invention discloses a safety shield suitable for pipeline conveyance of chemical plants. The safety shield is characterized by comprising a casing pipe, two connecting chambers and two detection devices, wherein the casing pipe comprises a hollow chamber body and connecting end parts, and the connecting end parts are arranged at the two ends of the hollow chamber body; grooves are uniformly formed in the inner wall of each connecting end part, and adsorption modules are arranged in the grooves; the two connecting chambers and the two detection devices are respectively connected with the corresponding connecting end part; the connecting chambers wrap the outlet end of the corresponding connecting end part. The safety shield has the beneficial effects that the connecting end parts are connected with chemical pipelines, but the chemical pipelines are not directly connected with each other, so that the durable years of the chemical pipelines are beneficially prolonged; once damage occurs, only the safety shield of the longer connecting end part is replaced; a non-slip mat and a locking structure can ensure that the safety shield are tightly connected with the chemical pipelines at the two ends; once leakage occurs, the detection devices can find problems in time, and the leaked poisonous gas is removed through an exhaust port in time.

The invention provides an NCCLT (NC cross-laminated timber) insulation panel and a method of connecting the same to a foundation. When the number of the layers of vertical boards of the NCCLT insulation panel is an odd number, connecting is achieved via T-shaped embedded connectors, odd board groove embedded connectors, steel plate and wedge T-connector connectors or odd board groove steel plate and wedge connectors; when the number of the layers of vertical boards of the NCCLT insulation panel is an even number, connecting is achieved via even board groove embedded connectors or even board groove steel plate and wedge connectors. The NCCLT insulation panel and the method of connecting the same to the foundation have the advantages that the NCCLT insulation panel is prefabricated completely in a factory, durability is significantly improved, the ecological environment is not damaged, the yield is greatly increased, sound insulation and heat insulation are integrated, inner pores are maximized, the rigidity and strength of the NCCLT insulation panel are greatly improved, the consumption of material is reduced, excellent stress-bearing property is provided, and the NCCLT insulation panel has incomparable ability to restore from deformation; the cost of building houses with NCCLT is low, processing is simple, construction is convenient, mounting efficiency is greatly improved, andmanufacturing cost is reduced.

The invention discloses a portable medical disinfection device with a detection function and belongs to the technical field of medical disinfection devices. A machine body is included, and a display screen is mounted on a front end surface of the machine body; five operation buttons are mounted at a lower end of the display screen; a protection plate is mounted at a front end of the display screen; number one strip-shaped sliding ways are installed on two sides of the protection plate correspondingly; a strip-shaped groove is arranged in the front end surface of the protection plate; a limiting mechanism is mounted on an inner side of the strip-shaped groove; and a sealing door located on the front end surface of the machine body is installed at the lower end of the protection plate, a handle is installed on the front end surface of the sealing door, a square groove is arranged in a rear end of the sealing door, eight number two strip-shaped sliding ways are installed on the inner sideof the square groove, and storage plates are installed on the inner sides of the two number two strip-shaped sliding ways. The device is simple in structure, convenient to operate, extremely high instability and convenient to move, a service life of the device is prolonged, and a utilization rate is increased.

The invention provides a sulfuric acid storage tank breathing valve with a drying function, and relates to the technical field of chemical industry and environmental protection. The sulfuric acid storage tank breathing valve comprises a drying box, a dew point sensor, an alarm, an efficient drying agent, and a breathing valve body. According to the sulfuric acid storage tank breathing valve with the drying function, the problem of easy corrosion at the top of a sulfuric acid storage tank in the prior art is solved, and the service life of the sulfuric acid storage tank is prolonged.

The invention relates to a data input method for a memory and a data storage device. The memory comprises a data field and a blank area, wherein, the data field comprises multiple data field blocks in which data is stored, and the blank area comprises multiple blank area blocks in which no data is stored. The method disclosed by the invention comprises the following steps: firstly, receiving a write command of writing to-be-written data into the first data field block of the memory from a host; secondly, sequencing the blank area blocks in the blank area according to the clearing times; thirdly, choosing the first blank area block with the fewest clearing times in the blank area; fourthly, writing the to-be-written data into the first blank area block; and finally, clearing the data stored in the first data field block so as to convert the first data field block into a blank area block and put the obtained blank area block into the blank area. According to the invention, the blank area block with high clearing times is not required to be used as the target blank area block for storing update data, thus the clearing times of each blank area block are quite even so as to prolong the service life of the memory.

The invention relates to soil loosening and smoothing equipment, in particular to agricultural soil loosening and smoothing equipment. By the aid of the agricultural soil loosening and smoothing equipment, the time and labor for loosening and treating soil can be saved, and the soil can be completely loosened to form fine small pieces and can be smoothly treated under the condition of lands with large areas. The agricultural soil loosening and smoothing equipment comprises wheels, rake rods, a vehicle plate, a motor, a soil push plate, a connecting rod, a first rotary shaft, a fixing frame, a first slide rail, a first slider, a first rack, a sector gear and the like. The wheels are arranged at the bottom of the vehicle plate, and the motor is arranged in the middle of the upper side of the vehicle plate. The agricultural soil loosening and smoothing equipment has the advantages that the time and the labor for loosening and treating the soil can be saved, and the soil can be completely loosened to form the fine small pieces and can be smoothly treated under the condition of the lands with the large areas.

The invention discloses a laser slitting machine. The laser slitting machine comprises an LED lamp, a fixed hose and a silencer; a lamp holder is arranged at one end of the LED lamp; a connecting support is arranged at one end of the fixed hose; a lamp switch is arranged on one side of the connecting support; an execution table is arranged below cutters; a prompt lamp is arranged on one side of a CO2 laser; an electric box is arranged under an emergency stop button; the silencer is fixedly connected to the electric box; nuts are arranged at one ends of fixing blocks; supporting legs are arranged under the electric box; and a machine frame is arranged on one side of a movable shaft. According to the laser slitting machine, a net cover is fixedly connected to the electric box through the nuts so that the net cover can be conveniently taken down from the electric box, station trackers are combined with the CO2 laser so that the blank that a laser is used for umbrella cloth slitting can be filled, and therefore the defect of a cold cutting knife technology can be really and fundamentally overcome, the industry level can be improved, the quality can be improved, and the problems of broken filaments and glue residues at a selvedge of an existing slitting machine can be solved.

The invention relates to the technical field of domestic sewage, and discloses a solid-liquid separation device for domestic sewage treatment. Through cooperative use of a baffle plate, a second connecting rod and a half gear, during sewage filtration, sewage can be introduced intermittently , a continuous introduction mode is changed, the situation that a filter screen is in an impact state continuously in the process of continuously introducing sewage, and certain time cannot be reserved for buffering is avoided, and the service life is prolonged. Through cooperative use of a sieve plate, a scraper, an upper vibration plate, a first connecting rod and a first rotating disc, in the process of sewage solid-liquid treatment, the sieve plate can be automatically vibrated, and therefore, the filtering efficiency is improved. Meanwhile, scraping is conducted through the scraper, and blocking of the filter screen is avoided. Through cooperative use of a third rotating disc, a first disc, a second disc and a limiting sleeve, the two steps of vibration of the filter screen and automatic intermittent sewage introduction are linked, and therefore the linkage performance of the whole device is improved.

The invention discloses a coal rock identification system and device. A first identification subsystem comprises an image acquisition module or a static sounding array module, an image processing module, an image identification module and a signal identification module; the image acquisition module transmits a collected coal rock image in a coal wall and corresponding space coordinates to the image processing module so as to extract feature vectors of the coal rock image; the image identification module identifies coal and the rock according to the extracted feature vectors; and a controller adjusts the height of a coal cutter roller according to the identified rock image and the corresponding space coordinates to avoid rocks in the coal wall. According to the coal rock identification system, the image processing technology is adopted to identify the coal rock of a coal face in advance, and the height of the coal cutter roller is adjusted according to the identifying result, so that the coal bed is excavated as much as possible, hard rock is avoided, the tool face of the coal cutter is prevented from being damaged, the service life of the coal cutter and other coal mining equipmentis prolonged, and a guiding significance is played in intelligent mining of the coal face.

The invention discloses a high-elongation dynamic coupling mine anchor cable device, which comprises an anchor cable steel strand, an anchor cable disc arranged sequentially on the anchor cable steel strand, an anchor ring connected with the anchor cable disc, and an anchor cable connected with the anchor cable. Ring-connected rigging clips; high elongation dynamic coupling mine anchor cable device, the anchor cable anchoring end core wire welding spot is arranged at the end of the anchor cable inner section; the end of the exposed end of the anchor cable is provided with an anchor The core wire welding spot at the exposed end of the anchor cable; the inner section of the anchor cable is provided with a core wire welding spot at the anchoring end of the anchor cable; the exposed end of the anchor cable is provided with a welding spot for the exposed end core wire of the anchor cable. The invention simplifies the installation process steps of the anchor cable, increases the range of deformation and displacement of the roadway carried by the anchor cable, improves the service life of the roadway, prolongs the repair period of the roadway, increases the effective use area of ​​the roadway, and contributes to the development of deep well support. Direction is guaranteed.

The invention relates to a processing technology of a seamless drill pipe, and relates to the technical field of seamless pipes. The technical problem is that the final revealed mechanical propertiesof the seamless drill pipes are different, resulting in relatively high scrap rate and relatively low service life of some batches of seamless drill pipes. The processing technology includes the following steps of: (S1), raw materials: putting pig iron into a furnace and adding alloy components and refining agents for refining to obtain billets; (S2), perforation: carrying out perforation treatment after heating the billets to obtain tube blanks; (S3), cold rolling: carrying out cold-rolling treatment on the tube blanks; (S4), cutting: carrying out fixed-length cutting on semi-finished drill pipes; (S5), chamfering: chamfering the semi-finished drill pipes; (S6), surface treatment: carrying out basic surface treatment on the drill pipes; (S7), strengthening layer: coating the surface of each finished seamless drill pipe with a strengthening layer; and (S8), packaging: carrying out batch packaging on the produced seamless drill pipes. The invention has the effects of increasing the service life of seamless drill pipes and reducing the scrap rate during use. The processing technology provided by the invention has the effects of prolonging the service life of the seamless drill pipe and reducing the scrap rate during use.