42results about How to "Easy and flexible maintenance" patented technology

The invention discloses a light-emitting diode (LED) grid screen which comprises a hanging beam and a plurality of unit screens. The unit screens are combined to form a large screen hung under the hanging beam. Each unit screen comprises an electrical appliance box, two lateral frames arranged in a left-right mode and two modules arranged vertically. The two modules arranged vertically are connected through the electrical appliance boxes and the two lateral frames, the electrical appliance boxes are installed in the middle portion of the back sides of bottom casings of the two modules, and the two lateral frames are respectively installed on the left side and the right side of the back sides of the bottom casings of the two modules. The hanging beam comprises a plurality of main beams, a plurality of connecting beams, hanging devices and unit screen connecting devices, wherein the end portions of adjacent main beams are connected through the connecting beams. The hanging devices are fixed at the upper portions of the main beams, and the unit screen connecting device is arranged at the lower portions of the main beams, and the unit screen connecting devices are arranged at lower portions of the main beams. The LED grid screen is simple in structure, the display screen is fixedly installed in a mode that the screen is hung through the hanging beam, and the manufacture cost of a display screen fixing structure frame is remarkably reduced. The LED grid screen adopts a modular assembling mode, is high in dismantling efficiency and simple and flexible in maintenance, can save manpower and material resources and greatly meets the market demand.

The invention discloses a drum microfiltration machine. A microfiltration drum component of the drum microfiltration machine is located in a filtering sedimentation tank (24), a driving motor (1) is arranged at the top of the filtering sedimentation tank (24), the microfiltration drum component mainly comprises a functional shaft (6) and a filtering drum group (5), a drum body of each drum of the filtering drum group (5) is a supporting net (22), the functional shaft (6) is fixed at the center of the filtering drum group (5), the drums of the filtering drum group surround the functional shaft (6), a transmission system (2) is arranged between the driving motor (6) and the filtering drum group (5), the functional shaft (6) is hollow, water drainage components distributed between the functional shaft (6) and the filtering drum group (5) are arranged on the functional shaft (6) and are opposite to the filtering drum group (5), a high-pressure water inlet/outlet tube (7) is arranged at the other end of the functional shaft (6) and is communicated with the functional shaft (6), and a slag discharge tube (8) is disposed at the bottom of the microfiltration drum component.

A vibration damping structure and a vibration damping pad with a layered periodic structure, the thickness direction of the vibration damping pad is composed of several layered periodic units, and the layered periodic unit includes several layers of periodic substructures superimposed on each other, Adjacent periodic substructures are composed of different materials; the periodic substructures can also be provided with several periodic substructures in the length and width directions. The damping pad with layered periodic structure features is placed between the concrete sleeper or track slab bearing platform and the rail bottom, and is fixed by a fastener system; the rail vibration damping pad and the sleeper or track slab bearing platform Iron backing plates can also be set between them to improve their supporting strength. The rail damping pad can be used in urban rail transit, high-speed railway, heavy-duty railway, ordinary railway, building structure, machine equipment and bridge structure, which is helpful for its vibration and noise reduction control, and has a simple structure and easy maintenance. Advantages of convenience and flexibility.

The embodiment of the invention discloses a power unit and a high-voltage electricity conversion device. Capacitor modules can be freely added according to different capacities, power units with different power sections can be obtained, and the whole device is small in size and low in structural cost. The power unit comprises a left power device module, at least one capacitor module, a right power device module and at least one printed circuit board control panel, wherein the left power device module, the at least one capacitor module and the right power device module are sequentially connected and combined linearly to form a box structure, and the PCB control panel is arranged on the left power device module and/or the right power device module connected with the capacitor module.

The invention relates to an integrated high-voltage electrical box for a battery system. The integrated high-voltage electrical box comprises an upper cover and a casing, wherein the upper cover covers the casing and is detachably connected with the casing; a high-voltage component, a positive and negative electrode input copper bar and two positive and negative electrode output copper bars are mounted in the casing, one end of the positive and negative electrode input copper bar and one end of each of the two positive and negative electrode output copper bars are connected with the high-voltage component, and the other end of the positive and negative electrode input copper bar and the other end of each of the two positive and negative electrode output copper bars are located in the upper side edge position of the casing; a plugging structure which is used for enabling the other ends of the two positive and negative electrode output copper bars and the other end of the positive and negative electrode input copper bar to be safely exposed is arranged on the peripheral side of the upper cover. One input end and two output ends are arranged on a battery case, so that the electrical box has higher compatibility and can adapt to different project demands; the high-voltage component is mounted on the casing, so that the electrical elements are high in integration degree, high in space utilization rate and flexible and convenient to maintain; the plugging structure is arranged on the upper cover, and the high voltage input and output safety of the electrical box is improved.

The invention discloses a combined type stream welding machine and the working principle of the combined type stream welding machine. The combined type stream welding machine comprises a feeding conveyance rack and a discharging conveyance rack, wherein a working table is arranged between the feeding conveyance rack and the discharging conveyance rack, a working conveyance rack, clamping mechanisms, a working conveyer belt mechanism, a limiting mechanism and an working infrared detection mechanism are arranged on the upper surface of the working table, a feeding infrared detection mechanism is arranged on the front side of a feeding conveyer belt mechanism, and a discharging infrared detection mechanism is arranged at the front end of a discharging conveyer belt mechanism. A machining and production line can be formed by combining the feeding conveyance rack, the discharging conveyance rack and the working table freely, the working table can be a desk type working table or a table type working table, the infrared detection mechanism can detect whether a workpiece exists and feed the information back to a control system, the feeding conveyance rack, the discharging conveyance rack and the working conveyance rack are controlled by the control system to operate fully automatically, the length and the width of a conveyer belt can be adjusted flexibly according to the size of the workpiece, and machining and production are conducted on all stations in a coordinated mode. According to the combined type stream welding machine and the working principle of the combined type stream welding machine, assembly is flexible, maintenance is easy, cost is low, and the problems that an integrated production line is difficult to assemble and maintain, and the production cost and the maintenance cost are high are solved.

The invention discloses a three-phase load tracking energy-saving control device which is set to be power supply control aiming at different line loads and different load objects and is provided with a main control MCU (Microprogrammed Control Unit) processor for respectively controlling three slave MCU processors, wherein the three slave MCU processors respectively control regulation of voltages of an A phase, a B phase and a C phase. The three-phase load tracking energy-saving control device is additionally provided with an illuminance sensor, a temperature sensor, a voltage sampling circuit, a current sampling circuit and a phase voltage overzero sampling circuit which are connected with the main control MCU processor. The main control MCU processor determines whether a load voltage is regulated according to data of the illuminance sensor and the set time data. The three-phase load tracking energy-saving control device has the advantages that no contacts exist in a main loop, a power supply in a voltage regulating process is not interrupted and three phases can realize independent or synchronous voltage regulation and reactive compensation, and can be applied to multiple kinds of loads in a three-phase load unbalance environment. The three-phase load tracking energy-saving control device is seamlessly connected with a multi-stage monitoring system, and realizes system remote wireless monitoring management.

The invention discloses a composite aerator for river water purification. The composite aerator is characterized in that a shuttle-shaped floating bed floats on the surface of a river, steel cables are fixed at two ends of the shuttle corners of the floating bed, the other ends of the steel cables are connected with pile foundations fixedly inserted into a river bed, a solar panel is connected to the top surface of the floating bed in a threaded manner, the solar panel is connected with a control cabinet, a wiring tube and an air inlet tube are inserted into the floating bed, the power line of the control cabinet moves along the wiring tube to be connected with the motor power cable chamber of a submersible motor, an air inlet cover and a filter are respectively connected to the water outlet end of the air inlet tube, the filter is arranged in a dustproof cover, the dustproof cover is fixedly connected with the solar panel in a threaded manner, a support seat is connected to the water inlet bottom end of the air inlet tube in a threaded manner, the support seat is communicated with a negative pressure cover, the negative pressure cover is fixedly connected with the front end face of the submersible motor in a threaded manner, and an impeller is connected to the spindle of the submersible motor in a threaded manner and locked by a locking nut. The composite aerator is good in aerating efficiency, good in treatment effect, low in work noise and convenient to mount and maintain.

The invention relates to the technical field of sorting machines, in particular to an efficient staggering easily-maintained large disc sorting machine. The sorting machine comprises a sorting machinemain body stable connecting frame, the four corners of the lower end of the sorting machine main body stable connecting frame are each provided with one main body placing stable supporting base directly placed on the ground, a main body supporting stable connecting framework is mounted on the upper end of the sorting machine main body stable connecting frame, a protection safety connecting side plate which is in screw fixed connecting is arranged around the sorting machine main body stable connecting frame, the upper end of the main body supporting stable connecting framework is provided witha sorting motion unit module with the front and back positions distributed in a staggered manner, and the sorting machine has the advantages that the sorting motion unit module is arranged into the independent module, and can be independently assembled with a main structure in a modular manner, during later-period maintaining, independent replacing and maintaining of the motion unit module can becarried out, and later-period maintaining can be more flexible and convenient.

The invention relates to a wire harness separator and a battery pack. The wire harness separator comprises a separator body with a flat plate structure, a through hole used for sleeving an inner structural member in a battery pack is formed in the middle of the separator body, surrounding plates are arranged in the middle of the upper surface of the separator body, limiting pieces are arranged atthe edge of the separator body, the surrounding plates are located on the periphery of the through hole, two wire harness channels are defined between the surrounding plates and the limiting pieces, and the two wire harness channels are located on the two sides of the through hole correspondingly. According to the wire harness separator, the separator body can be limited and arranged on the structural member in the battery pack through the through hole, wiring is carried out by utilizing the wire harness channels located on the two sides of the through hole in the separator body; and the flatstructure is adopted so that wire harnesses can be horizontally wired at interval along the separator body, the plurality of separator bodies can be stacked and used so that the multiple wire harnesses wires can be wired and separated from each other, matching is flexible, the cost is reduced, and the friction among the wire harnesses and the friction between the wire harnesses and the inner structural member of the battery pack can be effectively reduced.

The invention relates to an explosive-proof electromagnet module based on CAN communication. The explosive-proof electromagnet modulecomprises a plurality of groups of explosive-proof electromagnets, each group of explosive-proof electromagnets comprises an explosive-proof electromagnet body and an explosive-proof wiring device, and each explosive-proof wiring device comprises an explosive-proof wiring box, a CAN control module and two air plug modules. One end of the CAN control module is connected with the two air plug modules through a CAN interface circuit, every two adjacent groups of flame-proof electromagnets are connected through the adjacent aviation plug modules in a CAN line cascading mode, and one end of the CAN control module is connected with the flame-proof electromagnet body. The CAN control module converts a control instruction into two PWM control signals and outputs the two PWM control signals to the flame-proof electromagnet body, so that the proportional control over the valve elements of the explosion-proof electromagnetic valve group of the explosion-proof electromagnet body in the group is achieved. The explosion-proof electromagnet module is further connected with an explosion-proof vehicle-mounted unit and an intrinsic safety operation unit in sequence, so that the remote intelligent control is achieved. According to the present invention, wiring harnesses are reduced, the wiring process is simplified, and maintenance is convenient.

The invention discloses a brake caliper with a hand brake, and relates to the technical field of agricultural mechanical brake calipers. The brake caliper comprises a brake caliper body and a support, the brake caliper body is internally provided with a cavity, and the cavity is internally provided with a piston; and nuts are arranged at the top of the brake caliper body and located on the two sides of a push rod, eyelet bolts are arranged in the nuts, a rotating shaft is arranged between the eyelet bolts, and a swing arm is arranged on the rotating shaft. According to the brake caliper, a pedal type and manual type combined design is adopted, two braking modes are achieved, when a braking system breaks down and loses efficacy, an operating rod can be pulled by hand in time to perform quick braking, and driving safety is guaranteed; and the manual brake caliper is few in accessories, low in failure rate and convenient to maintain, and use cost is reduced.

Disclosed is a handheld coiled round wire material head straightening machine. The handheld coiled round wire material head straightening machine comprises a machine frame and a pneumatic-hydraulic pressurizer. The pneumatic-hydraulic pressurizer comprises a pressurizing oil cylinder, a pressurizing air cylinder and an oil storage barrel. A front handle and a rear handle are arranged at the two ends of the pressurizing oil cylinder respectively, and a button type mechanical valve is arranged on the rear handle. The pressurizing oil cylinder of the pneumatic-hydraulic pressurizer is connected with the machine frame, a piston rod in the pressurizing oil cylinder is connected with a movable head, and two supporting heads are fixed to the machine frame. Each supporting head comprises a supporting shaft and a straightening roller, wherein the supporting shaft is fixed to the machine frame, the straightening roller is installed on the supporting shaft in a sleeving mode, and a locating groove is formed in the straightening roller. A locating groove is formed in the movable head. In the straightening process, the two ends of a material head are located through the supporting heads, and the movable head pushes and presses the middle section of the material head to achieve the curve straightening purpose. The handheld coiled round wire material head straightening machine is small in integral size, simple in structure, light in weight and low in manufacturing cost, convenient and flexible to carry with hands and easy to maintain, and applicable to on-site straightening operation.

The invention discloses a message information processing method and device of an MQ message queue, which can be used in the financial field, and the method comprises the following steps: obtaining message information of the MQ message queue, the message information comprising a service type and a to-be-updated service state; according to the service type, a corresponding service state control table is read, and the service state control table comprises an existing state and a state time sequence diagram; and updating the service state according to the to-be-updated service state, the existing state and the state time sequence diagram. According to the invention, message information processing of the MQ message queue can be carried out, and the problem of logic chaos is avoided.

The invention discloses a double-row multi-shaft pile machine which is an important improvement on the basis of the disclosed patent multifunctional ultra-large-diameter stirring pile machine provided with torsion compensation device (ZL201520547506.4). The double-row multi-shaft pile machine can punch six pile holes in two rows at most each time, and the machined pile holes can be distributed transversely or longitudinally. A tower of the pile machine is I-shaped and erected on an upper underframe platform transversely or longitudinally, a row of underneath type square rotary tables are arranged at the lower part of each of two sides of the tower, the number of the square rotary tables in each row is 1-3, one power system drives one or two square rotary tables, the square rotary tables are used for driving hollow drill pipes to rotate forwards or reversely, and every three or two hollow drill pipes share one pressurization system. The pressurization systems are used for driving drill bits to perform pressurization downwards when the hollow drill pipes rotate clockwise to drill downwards or perform pressurization upwards when the hollow drill pipes rotate anticlockwise and the drill bits are lifted. The pile machine is good in stability, high in adaptability, high in operation efficiency, capable of meeting requirements of different pile models and high in cost performance, and the quality of formed piles is high.

The invention belongs to the technical field of electronic word writing teaching equipment, and particularly relates to a multilingual-fusion word writing process description word resource container system and resource construction and use thereof. The multilingual-fusion word writing process description word resource container system comprises a container body module, a container recording index pointer mapping module, a resource input functional module, a resource output functional module, an input device module, a display device module, a resource application passage module, a resource backup device module, a resource adjusting passage module, a resource practical system module and a resource refreshing passage module. A public word writing process description word resource platform can be provided for developing various intelligent writing teaching systems, and paperless and informationized word writing learning is really achieved. The multilingual-fusion word writing process description word resource container system has a large number of audiences, use period is long, and the system is highly functional and convenient and flexible to maintain.