8results about How to "Short maintenance cycle" patented technology

The utility model provides a test fixture and a test module. The test fixture comprises a test substrate and a plurality of crimping devices which are configured on the test substrate and are used for bearing and fixing products to be tested. The test fixture also comprises switching structures which are arranged between the crimping devices and the test substrate and are in one-to-one correspondence with the crimping devices. The switching structure comprises a first electric connecting piece and a test point which is electrically conducted with the first electric connecting piece; and the first electric connecting piece and the test point are electrically conducted with the test substrate and the crimping device respectively, so that the electric connecting end of the to-be-tested product is electrically conducted with the test substrate. According to the test fixture, when the surface of a test point is oxidized or damaged, the whole test substrate does not need to be replaced, the maintenance cost is low, and the maintenance period is short.

The invention discloses a method for recycling shale gas skid-mounted equipment. The method comprises the following steps: S1, collecting data; s2, equipment classification: classifying old equipment one by one according to equipment types, use conditions, specifications and models and pressure vessel types, and establishing an identity information list; the equipment is classified by combining the value of the equipment, whether the equipment information is complete and the appearance detection result; s3, returning the equipment to a factory; s4, making a preliminary maintenance and transformation scheme; s5, dismounting the equipment; s6, cleaning and derusting; s7, equipment detection; s8, formulating a specific maintenance and transformation scheme; s9, equipment maintenance and transformation; s10, detecting after maintenance; s11, reassembling the equipment; s12, carrying out overall detection; s13, anti-corrosion paint spraying; s14, performing evaluation after multiplexing; according to the scheme, equipment is repeatedly utilized in combination with a new capacity construction plan, the construction period of a new project can be shortened, and the overall benefit of the project is improved.

The application relates to the technical field of ship manufacturing, and discloses a ship rudder system structure and a ship rudder system structure assembling method. The structure comprises a rudder blade, a rudder sleeve, a rudder rod and two sealing plates; the rudder blade has a slotted surface and two opposite working surfaces, the slotted surface is concavely provided with a notch groove, the notch groove is communicated with two avoidance half grooves, the two avoidance half grooves are respectively communicated with the two working surfaces, the avoidance half groove is spaced apart from the end of the notch groove and is uniformly provided with a plurality of lug plates, the lug plate is penetrated with a first through hole; each sealing plate is installed in one avoidance half groove, the edge of the sealing plate is penetrated with a second through hole; a through-hole bolt is penetrated through the second through hole and is screwed in the first through hole, the bolt head of the through-hole bolt is penetrated with a bolt through hole, a flexible wire is penetrated in the bolt through hole, and the two adjacent through-hole bolts are fixedly connected through the flexible wire; the rudder sleeve is inserted in the notch groove; and the rudder rod is penetrated through the rudder sleeve and a positioning pipe in the notch groove. The structure improves the connection mode of the sealing plate and the rudder blade, and reduces the dismounting difficulty of the sealing plate.

The utility model discloses a rail transit air conditioner mixed wind filter screen structure, include: filter screen piece, the filter screen piece has filter screen and the support frame of connecting in the filter screen periphery, the connecting frame has the filter surface for filtering particulate matter, the connecting frame can establish in the air intake and outlet of carriage, and the particulate matter of passing through the air intake and outlet is filtered through the filter surface, the fixed groove of sliding connection filter screen piece is established to the inside of the frame of connecting frame, and the plug -in groove that is communicated with fixed groove is passed through one side of connecting frame, the filter screen piece can be inserted into fixed groove along plug -in groove and slide, the surface of filter screen piece constitutes the filter surface, the elastic locking assembly is connected on the connecting frame and is close to the plug -in groove place, and the locking assembly includes: the rotating part and the fixed part of hinged with rotating part, and rotating part and fixed part are connected through elastic part between, for the elastic support rotating part is attached in the opening of the bottom of connecting frame close to plug -in groove, to block the connecting frame from moving out from plug -in groove.

The invention relates to a modularized aviation communication signal lamp, and belongs to the technical field of communication signal lamps. The signal lamp is of a modular structure and comprises a support module, a light source module, an intelligent beating and sending device module, a manual beating and sending device module and a control module, the manual beating and sending device module, the light source module and the control module are all integrally installed in the support module, all the modules are connected through cables, and communication and control of current and signals are achieved. The signal lamp is integrally designed in a modularized manner, and is high in replaceability, simple in fault positioning and short in maintenance period; the technical problems that in the prior art, a communication signal lamp is fixed in structure and poor in replaceability, fault positioning and timely replacement cannot be simply carried out when a fault occurs, the maintenance period is long, and the overall system freedom degree is poor are solved.

This invention relates to a crane drive device, comprising a crossbeam and two sets of main beams. The two sets of main beams are movably mounted on the upper end of the crossbeam and connected to it via connecting rods. Slide rails are mounted on the upper ends of both the crossbeam and the main beams. A first guide rail is mounted on the upper surface of the crossbeam near the outer side of the slide rail, and a second guide rail is mounted on the upper surface of the main beam near the outer side of the slide rail. A drive device is movably mounted on the upper end of the main beam. A groove is formed on the upper end of the main beam, and the slide rail is installed within the groove. Pressure-reducing components are mounted at both ends of the slide rail. First drive auxiliary groups are symmetrically mounted on the left and right sides of the drive device and connected to the output end of the drive device via shafts. This invention solves the problem of pulley slippage in existing bridge cranes.

The utility model relates to the technical field of water-jet loom wastewater treatment, in particular to a self-adjusting wastewater filtering device applied to a water-jet loom, which comprises a water-jet loom main frame, a lateral drain hole is arranged on the side wall of the water-jet loom main frame, and a lateral flow guide cover is fixedly assembled on the outer side surface of the water-jet loom main frame corresponding to the lateral drain hole. According to the self-adjusting wastewater filtering device applied to the water-jet loom, the design of the arc-shaped internal liquid guide flow channel is adopted, so that a water column jetted at a high speed can be subjected to flow guide and flow slowing operation, the sputtering probability and strength of the water column are greatly reduced, and wastewater is prevented from overflowing; by adopting electric control overturning and material scraping treatment, the self-maintenance performance can be improved, the maintenance period is short, shutdown is not needed, and the machining efficiency is improved.

The invention discloses an active diagnosis device and system for a tamping wagon, and the device comprises a main control module which collects and records bus data and stores the bus data as a file; meanwhile, a vehicle-mounted database is installed and used for managing data operation and maintenance information; the wireless routing module is connected with the main control module and realizes networking access to vehicle-mounted equipment through vehicle-mounted wireless networking; the intelligent diagnosis display is connected with the wireless routing module and is used for intelligently diagnosing faults of the vehicle-mounted network control system and intelligently monitoring life state periods of all modules in the vehicle-mounted network control system; and the vehicle-mounted mobile communication module is connected with the wireless routing module, and when the vehicle-mounted public network opens the access authority, the main control module and the intelligent diagnosis display establish connection with a remote diagnosis system through the wireless routing module so as to realize vehicle-mounted real-time remote monitoring diagnosis and data synchronization. The technical problems that an existing diagnosis device is complex in control logic, an operator cannot rapidly position and process the problems, and no analysis means is provided for complex non-logic faults can be solved.