174results about How to "Reduce spare parts costs" patented technology

The invention discloses a laser clading repairing process for a cylinder sleeve. The process comprises the following steps: removing a 0.5-2mm body metal fatigue layer from the working surface of a cylinder sleeve through a lathe; after a workpiece is clamped, rotating the workpiece at a linear speed of 400-700mm / min, and washing away surface greasy impurity with acetone; heating the workpiece to 40-100 DEG, and cladding a layer of stainless steel as an antiwear corrosion-resisting surface layer through laser with power being 3.5KW and bandwidth being 3mm; and finally mechanically machining the laser cladding layer to achieve the use size specification of the cylinder sleeve. By the invention, the cylinder sleeve of an old hydraulic cylinder is repaired, the rejection rate of spare parts is reduced, the production cost is saved, and the repaired cylinder sleeve of the hydraulic cylinder has long service life and balanced operating performance. The method solves the use problems that the surface of the cylinder sleeve has burr, hydraulic oil leaks and the like as alternate motion of a piston rod when cooling lubricating oil or foreign matters enter the cylinder from the working surface of the cylinder sleeve.

The invention discloses a multi-station SCARA industrial robot. The industrial robot includes a SCARA robot mechanism and a displacement drive mechanism, and the SCARA robot mechanism comprises a base, a first arm, a first arm drive device, a second arm, a second arm drive device, a ball spline wire rod and a power supply cable; a first motor and a second motor on the first and second arm drive devices are arranged inside the base, the rotation and lifting of the ball spline screw rod are driven by a third motor through a third drive component, and the SCARA robot mechanism can move under thedrive of the displacement drive mechanism. When the multi-station SCARA industrial robot is produced, multiple workstations require sharing only one SCARA robot mechanism, and thus the occupied spaceand the acquisition costs of equipment are reduced. Additionally, in the SCARA robot mechanism, the first and second motors are arranged inside the base, only the third motor is arranged on the secondarm, the weight of the load on the second arm can be reduced, the cost of spare parts is reduced, and the motion accuracy is improved.

The invention discloses a rod double-length flying shear control method and device. The control method comprises the steps of parameter selection, finished product rack steel content signal acquisition, light curtain signal acquisition and flying shear shearing control. The device comprises a finished product rack, a double-length flying shear, an encoder and a control device, wherein the finished product rack is provided with a frequency converter electrically connected with a main shaft motor, the encoder is coaxially and rotationally connected with a finished product rack main shaft or the main shaft motor, the control device is in signal connection with the frequency converter, the double-length flying shear and the encoder, the rear end of the double-length flying shear is further provided with a light curtain sensor corresponding to a rod path, and the light curtain sensor is in signal connection with the control device. The rod double-length flying shear control method and device have the advantages that since the control device is in signal connection with the frequency converter, the encoder and the light curtain, current values are used for replacing the traditional pre-shearing thermal inspection signals for judging the state of the rod; since a double-length flying shear afterheat metal detector is changed to be the light curtain sensor, the problems of no shearing, shearing negligence and double length error caused by poor double-length flying shear signals are solved.

The invention relates to a device, in particular a cross scraper type sampler for a coal transporting belt. The cross scraper type sampler comprises an electric motor, a rotary main body connected with the electric motor, a first sampling head driven by the rotary main body, a sampling chute corresponding to the first sampling head, and a support bracket for fixing equipment. The cross scraper type sampler is structurally characterized by comprising a second sampling head, a sampling chute corresponding to the second sampling head, and a shaft coupler for connecting the second sampling head with the rotary main body, wherein rotating shafts of the first sampling head and the second sampling head are respectively fixedly connected with a rotating shaft of the rotary main body. On the basis of the primary equipment, a second set of sampling system is added to redundantly and automatically intercept representative coal samples with zero error.

The invention discloses a blast furnace slag slurry conveying conversion device not liable to be damaged and belongs to the technical field of blast furnace iron smelting equipment. The blast furnace slag slurry conveying conversion device is used for conveying blast furnace slag slurry to different filter pools. According to the technical scheme, a concrete-poured foundation platform is located between a slag ditch and the two filter pools. A slag dividing pipeline is located on the foundation platform. A main pipeline is arranged at one end of the slag diving pipeline, and a slag inlet of the main pipeline is connected with the slag ditch. Two branch pipelines are arranged at the other end of the slag diving pipeline. Slag outlets of the two branch pipelines are connected with slag inlets of the two filter pools correspondingly. Gates are mounted at slag inlets of the two branch pipelines correspondingly. A lifting platform is arranged above the gates. Two lifting mechanisms are mounted on the lifting platform and connected with the upper ends of the two gates correspondingly. The structure is simple, mounting is convenient, the using effect is good, the manufacturing cost is low, the spare part cost is saved, the overhaul cost is reduced, the whole device operates stably, normal operation of a blast furnace is guaranteed, and significant economic benefits are achieved.

The invention relates to a replacing method for high-speed wire finishing mill roller box bearings including an angular contact bearing and a roller box oil film bearing. The replacing method is characterized by including the steps: firstly, manufacturing a drawing device for the angular contact bearing; secondly, disassembling an eccentric bushing and the angular contact bearing; thirdly, manufacturing a simple press device for disassembling and assembling the oil film bearing; fourthly, disassembling the oil film bearing of the eccentric bushing on a working side; fifthly, disassembling the oil film bearing of the eccentric bushing on a transmission side; sixthly, mounting the oil film bearing; seventhly, assembling a roller shaft; eighthly, assembling the angular contact bearing; ninthly, assembling a press cover of the angular contact bearing. The assembly efficiency of a high-speed wire (preliminary) finishing mill roller box is improved, the probability of damage and scrap of assembly spare parts caused by an assembly method is reduced, the cost of the spare parts is saved, and labor intensity is reduced.

The invention discloses a field monitoring pile for geological disasters of a pipeline. A solar panel is directly embedded and fixed on a top plate through an embedding groove; a data acquisition nodule, a solar controller, a storage battery and a wireless transmission module are all distributed on a back plate in a concentrated and upper-down layering manner; the back plate is arranged on a rear plate; the data acquisition module, the solar controller, the storage battery and the wireless transmission module are all positioned in a casing of the monitoring pile and are sealed. The field monitoring pile disclosed by the invention has the advantages of good performance, waterproof and dustproof capabilities, convenience in transportation and maintenance, high flexibility, low energy consumption and low cost; firstly, due to small size and light weight, the transportation cost of the device is reduced; secondly, a bracket needs no special customized processing, so that the cost of accessories is reduced; the solar panel adopts an embedding form, so that the mounting and fixing expenses of the solar panel are reduced.

The invention discloses an automatic ratio monitoring-based spare part stock early warning system. The system comprises a storage end, a triggering end, a data end and a cloud monitoring end; the triggering end sets a corresponding counter for a warehouse of each level, the counter is triggered when a spare part state of each warehouse is changed, and a data change value is sent to the data end; and the cloud monitoring end receives spare part quantity and state of each spare part in the warehouse from the data end, and sends an early warning signal to the storage end when a spare part ratio of any warehouse exceeds an upper limit or a lower limit. Early warning parameters are generated directly according to spare part stock ratios of each warehouse of each level and lower-level warehouses of each warehouse of each level. The use replacement speeds of different warehouses are more accurate and adapted, so that corresponding more standby spare parts can be provided for the warehouse with higher spare part usage rate. The cloud monitoring end not only can monitor the spare part ratios according to the levels but also can monitor the ratio condition of the specific warehouse, and fully considers the conditions of the spare parts of the lower-level warehouses.

The invention discloses a novel steel ladle lifting synchronous control system. The novel steel ladle lifting synchronous control system comprises four steel ladle lifting hydraulic cylinders, position locking devices, proportional valves, a hydraulic main pump, position detection devices and synchronous electric control devices, wherein the four steel ladle lifting hydraulic cylinders are arranged on a steel ladle, the position locking devices and the proportional valves are connected with the steel ladle lifting hydraulic cylinders respectively, the hydraulic main pump is connected with the four proportional valves, the position detection devices are mounted on the steel ladle lifting hydraulic cylinders respectively, and the synchronous electric control devices are connected with the position detection devices and the proportional valves. The steel ladle is synchronously lifted through the four steel ladle lifting hydraulic cylinders. The lifting position of the steel ladle is controlled through the proportional valves. The position of the steel ladle is detected in real time through the position detection devices. The synchronous electric control devices can independently control the opening degrees of the corresponding proportional valves in real time according to actual values fed back by the position detection devices and automatically control the flow flowing to the steel ladle lifting hydraulic cylinders from the hydraulic main pump through the proportional valves, and thus it is guaranteed that the steel ladle is lifted synchronously. According to the novel steel ladle lifting synchronous control system, the synchronous lifting control function that four lifting hydraulic cylinders are controlled through existing large-flow synchronous motors connected in parallel is replaced with the function that the lifting hydraulic cylinders are independently controlled through the proportional valves, and accordingly the defects in the prior art are overcome.

The invention provides a train pantograph logical intelligent control system based on intelligent control units. The train pantograph logical intelligent control system based on the intelligent control units comprises the intelligent control units, a pantograph rising execution relay, a pantograph rising electromagnetic valve and a train network unit. After the intelligent control units receive apantograph rising instruction sent by the train network unit, the intelligent control units control a first electronic switch to close, the pantograph rising execution relay is electrified, a first contact point of the pantograph rising execution relay is closed, the pantograph rising electromagnetic valve is electrified, and a pantograph rises. The train pantograph logical intelligent control system based on the intelligent control units realizes control for the pantograph by using the intelligent control units of an LCU (logic control unit) and the like as a control core, solves the problemsthat an existing D-series high-speed train set relay logical control circuit is complex, contact points are abnormally adhered together, a circuit board is burnt and the like at present, saves designand use remolding, late maintenance and spare part cost, improves reliability and realizes circuit simplification for the high-speed train set logical control circuit, and improves late maintenance and remolding efficiency.