12results about How to "Quick maintenance and replacement" patented technology

The utility model discloses an anti-blocking modularized drum bag breaking mechanism. The bag breaking mechanism comprises a module screen, a blocking and separating part, a feeding rolling ring, a discharging rolling ring, a driving device, a hooking and cutting knife assembly, a spiral primary cutter and a base. The module screen adopts a split type module screen and a split type screen body module, screen units are fixed in the radial direction and the axial direction, and the screen body module is a high-strength three-dimensional framework; the upper end of a three-dimensional screen pipe is connected with a screening hole of a screen unit, and the lower end of the three-dimensional screen pipe is connected with a separation hole of the lining plate; the feeding rolling ring and the discharging rolling ring are connected to the outermost side end ring of the module screen, and the lower ends of the feeding rolling ring and the discharging rolling ring are driven by the driving device in a rolling friction mode. A plurality of hook cutting knife assemblies are installed on the screen body module in a staggered mode, and a plurality of spiral primary cutting knife arrays are installed on the feeding rolling ring. The utility model has the effects of quick and low-cost maintenance, high-efficiency sorting without blockage, and comprehensive utilization of the original equipment.

The invention discloses a subreflector electric lifting assembly and an antenna, and belongs to the technical field of antennas. The auxiliary reflecting surface electric lifting assembly comprises a bottom plate, a driving motor, two reversing transfer cases, a plurality of right-angle commutators, three linear executing mechanisms and a connecting plate. A driving motor divides power into two paths through a first reversing transfer case, and one path drives a first linear execution mechanism through a first vertical right-angle reverser; and the other path sequentially passes through a first horizontal right-angle reverser and a second reversing transfer case for secondary distribution and steering, and finally drives a second linear actuating mechanism and a third linear actuating mechanism directly and respectively through a second horizontal right-angle reverser and a second vertical right-angle reverser. The three linear executing mechanisms stretch out and draw back synchronously to drive the connecting plate and the auxiliary reflecting surface to lift integrally and stably. The single driving motor is matched with the specific mechanical transmission chain, so that three-point rigid synchronous driving is realized, and the problems of inconvenience in manual lifting of the auxiliary reflecting surface of the vehicle-mounted antenna, poor synchronous precision of multiple motors and over-limit transportation are solved.

The invention relates to the technical field of environment monitoring, in particular to a karst geological environment monitoring device which comprises a frame, a support column, a transmission box, an adjusting box, a lifting plate, a placement box, a movable box, a geological radar, a console, an anchoring mechanism, a pushing mechanism, a loading and unloading mechanism and the like. According to the device, anchoring of the frame is achieved through the anchoring mechanism, part of the device can automatically insert the fixing assembly into the ground, the fixing operation of part of the device is simplified, pushing of the geological radar is achieved through the pushing mechanism, and part of the device can automatically push the geological radar to be attached to the ground; and through the loading and unloading mechanism, part of the device can rapidly load and unload the geological radar for maintenance and replacement, a large amount of maintenance time is saved, and the convenience and high efficiency of the device are improved.

The utility model discloses a kind of ship distress alarm device, comprising: control main body, fixed mounting seat on ship, the connecting slot is opened on the mounting seat, the connecting plug is set in the corresponding position of control main body rear side, the connecting plug is inserted and mounted in connecting slot;Fixing mechanism is set between mounting seat and control main body, for fixing control main body with mounting seat;Connecting mechanism is set on mounting seat, for installing protective baffle on mounting seat, the utility model structure is reasonable, the quick disassembly of device can be realized, the maintenance replacement of later period is convenient, can better satisfy use demand.

The utility model discloses an anti-scale plate-fin heat exchanger which comprises two sets of filter boxes and water distribution pipes, the water distribution pipes are symmetrically installed on the side walls of the filter boxes, a right water collecting pipe and a left water collecting pipe are arranged on the two sides of the filter boxes, the two sets of water distribution pipes are connected with the left water collecting pipe, and the right water collecting pipe is connected with the right water collecting pipe. Supporting frames are installed at the top ends of the water distribution pipes correspondingly, two sets of electric push rods are movably installed on the side walls of the supporting frames correspondingly, push arms are installed at the output ends of the electric push rods correspondingly, crank arms are installed at the ends, away from the electric push rods, of the push arms correspondingly, and the crank arms are connected with the right water collection pipe; and clamping shafts are mounted at the ends, close to the push arms, of the crank arms. According to the utility model, not only are convenient dual-channel prevention of scale generation in the pipeline realized, but also the filter screen is convenient to move, lift and replace, the filter screen is convenient to pertinently replace and quickly maintain and replace, and the replacement is flexible and convenient.

This utility model discloses a magnetically attached switch on / off device, relating to the field of switch on / off technology. It includes: a housing with a housing fixing hole, a bolt clearance cavity, a contact piece slot, a movable block limiting slot, a second spring mounting post, a movable block guide post hole, and a movable block moving cavity; the contact piece is fixed in the contact piece slot; a connecting bridge is disposed in the first spring mounting cavity; a connecting bolt passes through the connecting bolt mounting cavity; a first spring is disposed between the first spring mounting post and the connecting bridge; and a second spring is disposed between the second spring mounting post and the second spring mounting cavity. Through an openable and closable magnet compartment door combined with a spring limiting pin mechanism, the device ensures stable installation of the strong magnet while facilitating maintenance and replacement. It guarantees the reliability of emergency disconnection, effectively preventing mechanical damage caused by misoperation, and its quickly replaceable magnet structure further improves the ease of maintenance and service life of the equipment.

The utility model relates to a quick-plug self-locking structure of a radio frequency probe, which comprises a cable joint, one side of the cable joint is fixedly connected with a connecting sleeve, the other side of the cable joint is fixedly connected with an external cable, the inner wall of the connecting sleeve is provided with an accommodating groove, one end of the connecting sleeve is provided with a limiting groove, and the limiting groove is fixedly connected with the cable joint. One end of the external cable extends into the connecting sleeve and is fixedly connected with a first terminal, one end of the first terminal is fixedly connected with a reset spring, the interior of the limiting groove is movably connected with a probe body, one end of the probe body is fixedly connected with a limiting block, and one end of the limiting block is fixedly connected with a second terminal. According to the quick-insertion self-locking structure of the radio frequency probe, the quick-insertion self-locking function is realized, so that the convenience of installation is improved, the problem of tedious installation operation is solved, and the probe body can be conveniently and quickly maintained and replaced.

The utility model provides a brake pedal with an anti-skidding gasket on the surface, and relates to the technical field of brake pedals, the brake pedal comprises a pedal body and an anti-skidding plate, the inner side of the pedal body is provided with an inserting groove, the inner side of the pedal body is connected with an inclined block in a sliding mode, and the side face of the inclined block is fixedly provided with a connecting plate. A tension spring A is arranged on the inner side of the pedal body, a sliding rod is connected to the inner side of the pedal body in a sliding mode, and the surface of the sliding rod is sleeved with a spring. According to the anti-skid brake pedal, through the arrangement of the anti-skid plate, the inserting groove, the inclined block, the connecting plate, the tension spring A, the sliding rod, the spring, the ejector block, the mounting block and the clamping groove, a good anti-skid effect can be provided in the actual use process of the brake pedal, potential safety hazards are reduced, and the anti-skid effect is good after the anti-skid plate is abraded and damaged after being used for a long time. And the anti-skid plate can be quickly released by pulling down the sliding rod, so that the anti-skid plate can be quickly maintained and replaced, the operation is simple, and the practicability is high.

The utility model belongs to the technical field of welding power sources, and discloses a split type welding power source which comprises an input module, a rectification inversion module, a voltage transformation module, an output module and a main control unit module. The rectification and inversion module comprises a rectification and inversion unit and a secondary rectification unit; the input module, the rectification inversion module, the transformation module, the output module and the main control unit module are all independent modules, and the independent modules are connected through quick connectors. According to the utility model, a completely independent modular design is adopted, and the modules are connected through the quick connectors, so that the split structure design of the welding power supply is realized. Independent modules are assembled, so that the division of labor in a factory is clearer; the independent module design is beneficial to construction of universal modules, types are reduced, and the cost of large-scale customization of parts is lower; the independent module design can distinguish a vulnerable module and an eternal module, the vulnerable module is placed in a dustless environment, the service life is prolonged, the eternal module does not need to be disassembled, and the vulnerable module is more convenient to maintain and replace due to the existence of the quick connector.

The invention provides a VHF and IP voice converged communication method and device for a special ship. The method comprises the following steps: monitoring environment temperature and electromagnetic interference intensity in real time; a pre-stored antenna parameter compensation library is matched based on the environment temperature, and radio frequency front end transmission parameters are dynamically optimized; and performing multi-modal noise suppression on the received VHF audio signal, wherein the multi-modal noise suppression comprises the following steps of: generating a time-frequency mask based on electromagnetic interference intensity by adopting a complex convolution attention network to suppress electromagnetic interference; and converting the processed signal into an IP voice data packet, and reversely converting the IP voice data packet into a VHF signal through a protocol conversion engine to realize a bidirectional communication link. The voice communication quality and reliability in the polar region environment are improved, and the navigation safety is guaranteed.

The utility model discloses an argil plate curtain wall construction structure which is characterized in that a connecting seat is arranged at the middle end of the back of a connecting hanging plate and corresponds to a counterpoint seat, a counterpoint connecting block is arranged in the middle of the connecting seat, and connecting screw rods are connected to the positions, corresponding to threaded pipes, in the two sides of the connecting hanging plate; the connecting hanging plates can be connected conveniently, the connecting hanging plates can be connected more rapidly and conveniently in an alignment mode through the cooperation of the connecting base and the alignment connecting block, the position accuracy of the connecting hanging plates is guaranteed, the phenomenon of position deviation is avoided, and the connecting hanging plates can be connected more conveniently and rapidly in an alignment mode. And meanwhile, through threaded connection between the connecting screw rod and the threaded pipe, the position of the connecting hanging plate can be further locked and fixed conveniently, so that the stability of the connecting hanging plate after alignment connection is guaranteed, operation is convenient and fast, rapid connection of the connecting hanging plate is facilitated, and the efficiency of construction connection between the follow-up curtain wall plate and the connecting hanging plate is improved.

The invention relates to the technical field of filling valves, and discloses a filling valve rod and a filling valve, the filling valve rod and the filling valve are applied to the filling valve, the filling valve rod comprises a valve arm and a sealing body, and the sealing body is fixedly arranged at the bottom of the valve arm and used for accurately controlling on-off of a water outlet of the valve body along with the lifting action of the valve arm to achieve accurate opening and closing control over filling materials. The valve arm comprises a driving main arm, a diaphragm and an auxiliary rod, the driving main arm is fixedly sleeved with the diaphragm, the diaphragm is used for achieving dynamic sealing between the valve arm and an inner cavity of the valve body, and filling materials are prevented from leaking from the matching position of the valve rod. According to the filling valve rod and the filling valve, after filling is finished, the collecting bin can accurately reset to receive residual materials dripping from the water outlet port, the situation that the materials drip to pollute packaging bottles, filling stations and the production environment is avoided, the movement track of the collecting bin can be restrained through sliding fit of the transverse groove and the guide arm, meanwhile, deviation and jamming of the collecting bin are avoided, and the stability of reciprocating displacement is guaranteed.