35results about How to "Save on maintenance costs" patented technology

The invention discloses a boiling chlorination furnace for preparing titanium tetrachloride by using natural rutile. The boiling chlorination furnace comprises a boiling section (4). The boiling section (4) is connected with an expanded section (7) through a transitional section (6). A slag discharge port (10) and a hearth sealing cover (1) are arranged at the lower end of the boiling section (4). A chlorine inletting pipe (2) is inserted into the hearth sealing cover (1). A chorine distribution plate (3) is arranged between the hearth sealing cover (1) and the slag discharge port (10). A feeding pipe (5) is arranged on one side of the boiling section (4). A furnace top cover (8) is arranged at the upper end of the expanded section (7). A gas outlet (9) is arranged on the furnace top cover (8). The invention has the advantages that the normal operation of the boiling chlorination furnace is guaranteed, and the investment and the maintenance expense of the boiling chlorination furnace are saved. Moreover, since the chlorine distribution plate is placed at the bottom of the boiling section, the elasticity of the boiling chlorination furnace is good, the operation and the control are easy, the sieve openings are not blocked and the chlorine is evenly distributed.

The invention provides composite ecological wood. The wood comprises the following compositions in percentage by weight: 35 to 40 percent of wood meal, 40 to 49 percent of PVC, 2 to 3 percent of calcium carbonate, 4 to 6 percent of a foaming regulator, 4 to 6 percent of a stabilizing agent, 4 to 6 percent of impact-resistant ACR, 0.5 to 1.5 percent of a processing additive ACR, 0.2 to 0.4 percent of toner, an internal lubricant and an external lubricant, a foaming agent accounting for 0.1 to 1 percent of the PVC and a coupling agent accounting for 3 to 5 percent of the wood meal; and when a product is used outdoors, the product also comprises an antioxidant, an ultraviolet absorbent and a light stabilizing agent which have 0.1 to 0.5 percent of weight portions respectively. Compared with the prior art, the composite ecological wood thoroughly overcomes the disadvantages of raw wood, improves the shortage of the raw wood and keeps the particular wooden texture of the raw wood; simultaneously, for the addition of the antioxidant, the ultraviolet absorbent and the light stabilizing agent, the composite ecological wood also prevents photooxidation, fading, cracking and the like caused by ultraviolet irradiation, increases the weather resistance and prolongs the service life.

The present invention is shot and sand blasting system and method for cleaning residual carbon electrode from electrolyzing aluminum. The cleaning system includes one shot and sand blasting chamber as sealed space for shot and sand blasting operation for processing the surface of residual carbon electrode from electrolyzing aluminum to eliminate impurity and recover carbon; one piece of shot and sand blasting equipment including one automatic continuous shot and sand blasting device and one automatic shot and sand blasting mechanism with spraying guns; and one shot and sand recovering device. The present invention is favorable to recovering carbon for reuse.

The invention discloses an exhaust gas waste heat steam producing system of a marine diesel generating set. The exhaust gas waste heat steam producing system comprises a hot well, a boiler water-feeding pump, a steam pocket, an exhaust boiler, an evaporator and a preheater, wherein the evaporator and the preheater are installed in the exhaust boiler, and the hot well is sequentially connected with the boiler water-feeding pump, the preheater, a steam pocket first inlet, a steam pocket first outlet, the evaporator, a steam pocket second inlet, a steam pocket second outlet and a fuel auxiliary boiler. Exhaust gas produced by the marine diesel generating set is led into the exhaust boiler. The exhaust gas waste heat steam producing system can effectively recover exhaust gas waste heat of the marine diesel generating set, save fuel cost and improve ship environment friendliness.

The invention relates to a feed distributor of furnace, belonging to technical field of metallurgical industry. The invention is used in distributing on the bell-less top of furnace, which comprises a rotating motor, a tilting motor, a reduction gear, a rotating mechanism, a tilting mechanism, a centre venturi tube and a chute. The chute is driven to tilt when the tilting motor works singly, to rotate when the rotating motor and the tilting motor rotate synchronously and to tilt and rotate synchronously when the rotating motor and the tilting motor rotate asynchronously. The invention has the advantages of compact structure, reliable transmission, steady working, high transmission efficiency, long service life, small workload of maintenance and convenient replacement of the chute, therefore can be used in different furnace engineering.

The invention relates to an oil conservator moisture absorber with convenient silica gel replacement, which comprises tank bodies communicated with an oil conservator capsule, wherein the tank bodies are filled with silica gel. The oil conservator moisture absorber is characterized in that the number of the tank bodies is at least two, the tank opening of each tank body is provided with a vacuum valve, and the vacuum valves are connected with connecting pipes communicated with the oil conservator capsule through multi-pass pipes. On the premise of ensuring the respiratory capacity of the moisture absorber, the prior moisture absorber with one tank is changed into a moisture absorber with at least two tanks, each single moisture absorber has smaller volume and lighter weight, and the oil conservator moisture absorber can be carried manually to replace the silica gel by one person, is convenient and quick, and saves certain time and maintenance cost, and simultaneously, when the silica gel is affected with damp, the oil conservator is ensured to be in a normal respiratory state during the whole replacement.

The invention discloses a chilling ring of a gasification furnace. The chilling ring comprises an outer lip ring, an inner lip ring, a nozzle ring, an inner ring of a water cavity, an outer ring of the water cavity, a bottom plate of the water cavity, a chilling water conveying pipe and a descending pipe, wherein the parts are connected by welding; the outer lip ring and the inner lip ring form a chilling water distribution chamber, the nozzle ring, the inner ring of the water cavity, the outer ring of the water cavity and the bottom plate of the water cavity form the water cavity, and the chilling water conveying pipe is communicated with the water cavity and the chilling water distribution chamber; a chilling water circular gap is formed between the outer lip ring and the descending pipe; preferably, the circular outer lip ring is a three-piece type, and is thickened in a jet direction of the nozzle ring. According to the chilling ring of the gasification furnace provided by the invention, the outer lip ring is in the three-piece type which replaces an integral circular structure, and the inner lip ring, the nozzle ring, the outer ring of the water cavity and the inner ring of the water cavity are changed to independent pieces; parts of assemblies can be directly changed in the furnace in the using process, vulnerable assemblies can be independently changed, and assemblies which are not easy to wear can be repeatedly used, so that the chilling ring is long in service life and convenient and economical to maintain.

The invention discloses a sequencing-batch polluted soil remediation method and device. The sequencing-batch remediation device comprises an electrochemical remediation pond, a pipe-type mixer, remediation electrodes, clamping grooves, a cathode region control valve, an anode region control valve and perforated pipes, wherein polluted soil is arranged in the remediation pond, and then pollutants in the soil are effectively removed by adjusting electrochemical parameters of the system. The used remediation electrodes are convenient to install, good in permeability and large in surface area, an oxidant adding pipe is arranged between the two electrodes, is unlikely to be lost under the action of a filtering membrane, and is collected near the electrodes for reaction to remove the pollutants, so that the sewage treating effect is improved and the sewage treating time is shortened. The method and the device disclosed by the invention have the advantages that the operation is convenient, the structure is simple, the cost for operation and maintenance is greatly saved, and the remediation work of the polluted soil is more effective and more stable.

The invention provides a boiler heating power system comprising a central monitoring diagnosing system and a plurality of boilers connected in parallel. Each of the boilers is respectively in data connection with the central monitoring diagnosing system. The central monitoring diagnosing system is in data connection with electricity consumption information of each boiler, so as to timely obtain the electricity consumption of an auxiliary machine of each boiler; the central monitoring diagnosing system monitors a tonnage steam and electricity consumption parameter of each boiler in real time based on the obtained steam quality and the electricity consumption of each boiler, wherein the tonnage steam and electricity consumption of the boiler is an index of the tonnage steam and electricity consumption obtained by dividing the total steam quantity generated by the boiler within a certain period by the electricity consumption of all auxiliary machines of the boiler within this period. The boiler system automatically controlled based on the steam and electricity consumption allows the heating power system to keep running efficiently, thereby avoiding wasting the energy sources.

The invention provides a T-shaped burning beam, which consists of a beam body. Fuel pipelines and an air channel are arranged in the beam body; two sides of the beam body are provided with burner nozzles, and each side comprises 5 to 20 burner nozzles; each burner nozzle comprises a lengthened fuel nozzle and an air outlet; and the air outlet is a gap around the fuel nozzle. Two fuel pipelines are fixedly arranged in the air channel by fixing elements, and each fuel pipeline is connected with the burner nozzles on the same side. The two fuel pipelines are arranged respectively; and the fuel nozzles are lengthened fuel nozzles and are inserted in burner nozzle mouths so that the fuel is burnt outside the burner nozzles, the flame is far away from the beam body wall, the burner nozzle mouths and a T-shaped head of the burning beam are prevented from being burnt out, the equipment investment and the maintenance cost are saved, and the service life of the burning beam is prolonged.

The invention relates to a special wood-plastic decorative sheet for production buildings and a preparation method thereof, and belongs to the field of wood-plastic material manufacturing. The special wood-plastic decorative sheet for the production buildings comprises the following raw materials according to a weight ratio: 80-100kg of polyvinyl chloride, 35-50kg of wood powder, 35-50kg of light calcium carbonate, 2-6kg of composite stabilizer, 0.5-1.0kg of lubricant, 8-12kg of foam conditioning agent, 1.4-1.6kg of AC (Azodicarbonamide) foaming agent, 0.8-1.0kg of trisalt and 0.7-1.0kg of plasticizer. The preparation method of the special wood-plastic decorative sheet for production buildings comprises the following steps: preparing the raw materials; uniformly mixing the raw materials; cooling the mixed raw materials; adding the raw materials treated in the previous step to extrusion equipment, carrying out thermal forming by using a mold head, carrying out running water cooling molding by using a stock mold, and then carrying out extrusion mold; cutting a board obtained by extrusion molding, and leaving. The special wood-plastic decorative sheet has the effects of water resistance, moisture protection and mold prevention.

The invention discloses a constructed wetland sewage treatment method and system, belonging to the technical field of water treatment. According to the invention, sewage passes through a plantation layer and then enters into a pool body through a perforating water distributor; after passing through the perforating water distributor, the sewage uniformly enters into a packing layer comprising novel hexagonal composite filling material modules in the pool body, then the sewage is purified by the combined effect of the physical, chemical and biochemical reaction of hexagonal composite filling material modules and microbes of the hexagonal composite filling material module surfaces, and then the purified sewage is discharged out of the pool body from a perforating water collecting pipe. The operation is simple, no power is consumed, and the operation and maintenance costs are greatly saved, thus the whole constructed wetland sewage treatment system can operate efficiently and stably.

This invention is about a sort of coiling shaft bearer in the splitting machine. This invention makes use of the air cylinder, connecting rod and guiding rail pair to fulfill the level shifting and supporting of the coiling shaft bearer, and it integrates the two bearers and fixes the coiling shaft by the bearer air cylinder and the snap-gauge. This invention can better solve such problems: only the air cylinder can move in a big curve the coiling shaft that must depend on the supporting bearer of the air cylinder, so it results in bad effect on the production quality because the unstable air in the air cylinder, that is, the air pulsation will shake the bearers. And the discord between the two bearers and support produce some irregularity that can damage the production quality. This invention is steady and reliable with a simple structure and secures the quality, and it largely reduces the difficulty of processing the bearers and its cost and the intensity of the upper and lower coils, so it is not easily damaged and can save much repairing expense.

The invention provides a heat exchange plate used in a plate heat exchanger. At least one flow dividing component is arranged in the heat exchange plate and used for dividing the flowing path of heat exchange fluid flowing through the heat exchange plate into at least two flow dividing flow channels, the flow dividing components are provided with openings so that the flow dividing flow channels in the heat exchange plate can be of a serial structure, and thus an S-shaped flow channel is formed by the heat exchange fluid on the heat exchange plate. By means of the heat exchange plate, the demand for different section areas of cold side fluid and hot side fluid is met, the assembling mode of single-side pipe connection is adopted for the plate heat exchanger formed by assembling plates, much installation and maintenance cost can be saved, meanwhile, the heat exchange efficiency is high, and the purposes of energy conservation and environmental friendliness are achieved.

The invention provides an electric energy replacement system and method of combined supply of cooling heating and power based on high pressure liquid. The electric energy replacement system comprisesa subsystem for preparing liquid air, a power generation subsystem utilizing the liquid air, a refrigeration subsystem utilizing the heat energy and a heating subsystem. The subsystem for preparing the liquid air includes air compressors, air circulation compressors and a liquid air storage, and the air compressors and the air circulation compressors are separately provided with interstage heat exchangers. The electric energy replacement system achieves the required high pressure only through two compressions and saves the process of cryogenic pump pressurization, the energy consumed in the process of cryogenic pump pressurization and the equipment machining and maintenance costs; according to the technical scheme, the heat transfer medium used in the cooling and heating processes of air compression, storage and expansion realizes the recycling of energy, convenience and speediness are achieved, and energy and manpower are saved; combined supply of cooling heating and power is realized, and the waste of energy and resources is greatly avoided.

A presser inspection well cover comprises a flexible structure and a rigid structure, wherein the presser inspection well cover mainly comprises a bovine ear type well seat (4), an anchor bolt assembly (1), an elastic pressure plate (2), a three-oil two-network plastic washer (3) and a concrete well cap (5), wherein the lower end of the anchor bolt assembly (1) is anchored in the concrete well cap (5) and positioned outside the bovine ear type well seat (4), the three-oil two-network plastic washer (3) is cushioned between the bovine ear type well seat (4) and the concrete well cap (5), the elastic pressure plate (2) is sleeved on the anchor bolt assembly (1), one end of the elastic pressure plate (2) is against the bovine ear type well seat (4) and the other end is against the supper surface of the concrete well cap (5), and a rigid presser inspection well cover is internally provided with at least one three-oil two-network plastic washer (3). The invention can effectively eliminate the flexible road slit and the rigid road broken edge around an inspection well, prolongs the service life of the road, saves the road building and maintenance cost, and saves the fuel cost and the maintenance cost of an engine.

The invention provides a boiler heating power system comprising a central monitoring diagnosing system and a plurality of boilers connected in parallel. Each of the boilers is respectively in data connection with the central monitoring diagnosing system; the central monitoring diagnosing system is in data connection with a fuel conveying device of each boiler, so as to timely obtain a fuel input amount of each boiler; the central monitoring diagnosing system is in data connection with electricity consumption information of each boiler, so as to timely obtain the electricity consumption of an auxiliary machine of each boiler; and the central monitoring diagnosing system monitors a tonnage steam cost value parameter of each boiler in real time based on the steam quality outputted by each boiler, the fuel input amount and the electricity consumption. The boiler system automatically controlled based on the steam price allows the heating power system to keep running efficiently, thereby avoiding wasting the energy sources.

The invention discloses a quick replaceable oil storage cabinet moisture absorber device, which comprises a breathing pipe which is connected with an oil storage cabinet, wherein the breathing pipe is connected with a moisture absorber through a flange and a valve in sequence; a second passage which is communicated with the breathing pipe is arranged between the flange and the valve; and the valve is movably connected with the moisture absorber. On the premise of guaranteeing breathing capacity of the moisture absorber, the oil storage cabinet is guaranteed to be kept in a normal breathing state when breather silica gel is moisturized, and heavy gas production is not stopped, so that safe and reliable running of a transformer is guaranteed; by opening and closing a vacuum valve, the moisture absorber is put in or withdrawn through a tool-free cutting ferrule quick joint; one person can manually convey to replace the breather silica gel; and thus, the device is convenient and fast, a large amount of time and maintenance cost are saved, and the working efficiency is effectively increased.

The invention discloses a bulk material distributing device belonging to the technical field of mechanical engineering. Two rotating motors are supported on a fixing box body by a speed reducer, a planet bevel gear is arranged on a gyratory box body and meshed with a gear ring, and the gyratory box body is fixed on the fixing box body; a tilting speed reducing mechanism is fixed on a bottom plate of the gyratory box body, and a bevel gear positioned on the input end of the tilting speed reducing mechanism is meshed with a bevel gear positioned on the output end of the planet bevel gear; a swivel chute is hung on a trunnion which is supported on the gyratory box body and connected to the output end of the tilting speed reducing mechanism; and a central hollow throat is arranged on the center of the fixing box body. The bulk material distributing device can realize the functions of chute tilting, chute rotation and chute tilting and rotation, has the advantages of compact structure, reliable drive, stable work, high drive efficiency, long service life, little maintaining workload and convenient chute replacement, can be used for blast furnace engineering of various types or other places where bulk materials are delivered.

The invention discloses an electrically-controlled hydraulic or pneumatic kinetic energy recovering and releasing device. The electrically-controlled hydraulic or pneumatic kinetic energy recovering and releasing device comprises a hydraulic accumulator, a pressure limiting valve, a radiator, a reversing valve, a hydraulic pump / motor, a clutch speed change mechanism, a transmission or driving axle, a hydraulic oil tank, an electric control unit and a sensor, wherein one end of the clutch speed change mechanism is connected with the transmission or driving axle, and the other end of the clutch speed change mechanism is connected with a power shaft of the hydraulic pump / motor; the hydraulic accumulator, the pressure limiting valve, the radiator, the reversing valve, the hydraulic oil tank and the hydraulic pump / motor are connected through a pipeline; the electric control unit is connected with the sensor, a controller portion on the hydraulic pump / motor and a controller portion on the reversing valve through leads. The kinetic energy of a moving object is transformed into molecular potential energy for storage by using a hydraulic accumulating or pneumatic accumulating method, and the stored molecular potential energy is transformed into the kinetic energy of the moving object when the object moves once again or accelerates, thereby fulfilling the aims of recycling, lowering the energy consumption and increasing the energy utilization ratio.

The invention relates to a door-free toilet in lavatory, which comprises a toilet frame, a toilet stool arranged in toilet frames and a deformable marker. The four toilet frames comprise a first baffle, a second baffle, a third baffle and a fourth baffle; the four baffles encloses a use space of which an entrance is positioned between the first baffle and the fourth baffle. The front end of the first baffle is provided with a partition fixed at the entrance and extending towards the inside of the use space in a bending mode so as to block sight from the outside. The deformable linear marker isfixed at the entrance, the upper end thereof is higher than the toilet frame, a user can properly change the shape of the marker when use the toilet to show that the toilet is occupied and prevent other people from rushing into the toilet, and restore the marker after using the toilet so as to show that the toilet is vacant. The door-free toilet of the invention can save cost on the lavatory construction and strengthen the ventilation and the lighting effect of the lavatory. A user can know the vacant states of all the toilets by looking up at the deformable linear marker.

The invention discloses a production method of a bamboo-wood fiber door plate, belongs to the technical field of door plate processing, and solves the problems that in the prior art, a door plate is prone to rot, expansion deformation and termite erosion after being affected with damp, the content of benzene-containing substances and formaldehyde exceeds the standard, the door plate is prone to cracking and deformation, and maintenance is difficult. The production method is characterized in that polyvinyl chloride resin, calcium carbonate and bamboo wood are adopted as raw materials and mixed;a door plate base material is formed after double-screw shearing, extrusion and water cooling forming through a shaping mold; a water-based adhesive is sprayed after the door plate base material is subjected to thickness fixing, engraving and door leaf grinding; the door plate base material is coated with a film or subjected to double fixation of UV glue; and the bamboo-wood fiber door plate is prepared. The bamboo-wood fiber door plate has the characteristics of being waterproof, dampproof, insect-proof, termite-proof, high in environmental protection property, free of pollution, recyclable,free of cracking, expansion and deformation and free of maintenance.

The invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet. The invention resolves the problems of windage resistance increase, high electricity consumption, bad strength of the preheating pellet and finished pellet which are caused by hot wind turbulence vortex formed by air draft on both-side of the preheating section. The change from both-side air draft to single side air draft can reduce power consumption for more than 44 %, if 1,200,000 ton pellet is produced in one year, 4,800,000 kwh can be saved, and cost of an air draft equipment and maintain can be saved, the strength of the preheating pellet and finished pellet can be improved.

The invention discloses a method for improving output of a positive-pressure dense-phase ash conveying system and optimizing ash conveying operation. In the prior art, the design ash conveying guarantee value of an electric field I of an electric dust remover is 55.5 tons per hour, the design output surplus is small, and the maximum ash production of the electric field I is 57.5 tons, so that the production requirement cannot be met, and the operation rate and efficiency of the electric dust removal electric field are seriously influenced. The method comprises the following steps: (1) adjusting the switching sequence of an air inlet valve, an air supplementing valve I and a blowing assisting valve; (2) increasing the ash conveying end pressure value from 35KPa to 90KPa; (3) additionally arranging a DN219 ash conveying pipeline in an electric field I, and connecting two bin pumps in series to pass through one ash conveying pipeline; (4) adjusting the air inflow of throttling orifice plates of the air inlet valve, the air supplementing valve I and the blow assisting valve according to the coal quality and the system output condition; and (5) adjusting a dome valve, and adjusting the gap between a sealing ring of the dome valve and a valve element to be 0.8 mm-1. 4mm. The method is used for improving the output of the positive-pressure dense-phase ash conveying system and optimizing the ash conveying operation.

The invention provides a heat exchange plate of a plate heat exchanger. The heat exchange plate is used in the plate heat exchanger and provided with a sealing groove. The sealing groove is of a trapezoidal structure. The upper edge and the lower edge of the trapezoidal structure are parallel to each other, the upper edge is short, and the lower edge is long. The short edge of the two parallel edges of the trapezoidal structure is provided with an opening. A sealing gasket is of a trapezoidal structure matched with the sealing groove. The sealing gasket is placed in the sealing groove from the opening. According to the heat exchange plate of the plate heat exchanger, the sealing groove and the sealing gasket are tightly embedded together, no adhesive is used, and sealing firmness of the plate heat exchanger is improved.

The invention discloses a poultry egg conversion machine. The poultry egg conversion machine comprises a rack, a plurality of groups of conversion grooves and a transmission mechanism for driving theconversion grooves to circularly move up and down, wherein each conversion groove comprises a supporting rod, first conversion claws and second conversion claws, the first conversion claws and the second conversion claws are arranged on the two sides of the supporting rod respectively in a comb tooth shape, the first conversion claws and the second conversion claws form a groove-shaped outline with the bottom face inclining towards one side of the first conversion claws, and therefore poultry eggs contained in the conversion grooves stay on one side of the first conversion claws. Poultry eggsof different heights can be transferred to the same height, so that subsequent centralized collection is facilitated; vertical conveying is adopted in the conveying mode, so that the occupied space isreduced to a large extent, the space utilization rate is increased, and the cost required for maintaining the indoor environment temperature, humidity and other conditions is saved.

The invention discloses a split type air conditioner mounting structure and mounting method. The mounting structure comprises a vertical pipe fixed to an outer wall and a reserved hole formed in the outer wall; an air conditioner indoor unit penetrates through the reserved hole to be communicated with the vertical pipe through a hose; and the air conditioner indoor unit is electrically connected with an air conditioner outdoor unit. According to the split type air conditioner mounting structure and mounting method, by reserving and arranging an outer wall pipe clamp, the technical problems that in the prior art, pipeline construction for connecting an indoor unit and an outdoor unit has certain difficulty, and the maintenance cost is high due to improper equipment reinforcement are solved. Normal use of equipment is guaranteed, a pipeline can be fully protected, equipment maintenance and labor cost caused by improper equipment reinforcement are saved, and economical performance and safety are achieved.

The invention discloses a circuit board nut reinforcement device. The device comprises a circuit board and a nut. The nut is connected to the circuit board. The lower end of the nut is provided with apositioning column. The circuit board is provided with a positioning hole. The positioning column is cooperated with the positioning hole. The lower end surface of the nut is connected to the circuitboard through tin soldering. The lower end of the nut is additionally installed with the positioning column. The positioning hole is arranged on the circuit board. Through the cooperation of the positioning column and the positioning hole, the nut can be fixed. During a welding process, the nut does not generate offset so that the accuracy of a nut welding position is guaranteed. A current problem that the nut glides with the circuit board so that the nut can not be used during nut welding is solved. Rewelding is avoided, welding quality is increased, simultaneously, maintenance cost and manpower are saved and cost is reduced.

The invention provides an automatic fault detection method for a crane operating rod controller. The automatic fault detection method comprises the steps that a camera is installed above a crane operating table, a disc face is arranged at the position of the operating rod controller of a linkage table, a first marker is arranged on the disc face, and a second marker is arranged on a handle of the operating rod controller; when the crane operating rod controller breaks down, the camera collects and processes images, the range of the disc face is recognized through the first marker, and the position of the handle on the disc face is recognized through the second marker. The operation position and the gear of the operation rod controller are determined through the position of the handle on the disc surface; and the expert system determines the IO corresponding condition of the crane PLC according to the operation position and the gear of the operation rod controller, compares the IO corresponding condition with the IO actual condition of the PLC, and outputs the position of a fault IO point. Under the condition that technicians of a crane manufacturer are not on site, on-site maintenance personnel can be assisted in fault judgment, and maintenance time and cost are greatly saved.

The invention discloses a leather picker for a loom, which comprises a leather picker body, a vertical core and a leather picker head, wherein the leather picker head is provided with a buffering concave hole and an exhaust slot; the leather picker head is detachably connected to the end part of the leather picker body; the leather picker head is provided with an oil penetration hole; the oil penetration hole is arranged on the upper part of the buffering concave hole; and the leather picker head and the leather picker body are in thread connection. According to the leather picker for the loom, the leather picker head is detachably connected to the end part of the leather picker body, so that only the leather picker head needs to be replaced when being damaged, and a whole shuttle is prevented from being scraped. The oil penetration hole is arranged on the leather picker head, so that after oil is added, the frictional factor between a picker stick and the leather picker head can be effectively reduced, the impact resistance and the abrasive resistance of the leather picker are enhanced, the picking force of the loom is reduced, the loom is electricity-saving, and the noise generated when the loom is used for picking is reduced.