35results about How to "Quick maintenance and replacement" patented technology

The invention provides a permanent-magnetic brushless motor, the Hall position sensor and the motor stator of which are separately positioned. The brushless motor of the invention pertains to technical filed of motors, is characterized by being provided with a phase-change sensing device of the Hall position sensor separately positioned with the motor rotor and has the structure that: a permanent-magnetic phase-change rotor and a phase-change Hall position sensor support which is matched with the rotor are arranged; the permanent-magnetic phase-change rotor and the motor permanent-magnetic rotor are connected with each other and synchronized; the Hall position sensor support and the motor stator are fixedly connected; the Hall position senor is fixedly arranged at the phase position the Hall position sensor support, which is opposite to the permanent-magnetic phase-change rotor. The invention is characterized by effectively preventing the damage to the Hall position sensor caused by overheating, thereby greatly reducing the repair rate of the brushless motor, improving working efficiency, causing the repairing to be more convenient, flexible and fast with low cost and having long service life. In addition, the brushless motor of the invention can be applied to various motors.

The invention relates to quality grading water supply reforming method and system with a roof water tank and a building water supply pipe network. The reforming method comprises five steps of prophase preparation stage, metaphase water tank reforming stage, metaphase building water supply pipe network reforming stage, metaphase individual indoor water supply pipe network reforming stage and anaphase running management stage. The reforming system comprises a water chamber, a gas chamber, a purifying chamber and a building quality grading water supply pipe network system, wherein the water chamber comprises direct drinking, living and washing water source rooms; a building quality grading water supply main pipe network for direct drinking, living and washing is correspondingly connected with a quality grading water terminal and a water tank quality grading water discharging total opening respectively according to same function; the gas chamber comprises a unit modularized assembly type breathing bladder bag group; and the purifying chamber is provided with an assembly type unit modularized quality grading purification water supply unit. The invention prevents the secondary pollution of water and volatile waste of residual chlorine and has the effects of no cleaning, no water stop, full utilization, no waste, energy saving, emission reduction and quality grading water supply as required.

The invention relates to a connector of an explosion-proof switch body, which is composed of a fixed plug, a movable plug and a socket, the socket is composed of a socket shell, touch boards and springs, each touch board shows the stepped groove shape, the two touch boards are back-to-back combined into two jacks, the movable plug and the fixed plug are respectively inserted into the two jacks, each spring between the two touch boards and the socket shell extrudes the touch boards for location, the socket is a bidirectional floating socket, the touch boards in the socket are floating touch boards, and the touch boards can automatically adjust the inserting angle with the plugs.

The invention discloses a water pump control system and a massaging bathtub with the same. The water pump control system comprises water pumps and a controller separated from the water pumps. The water pumps comprise pump bodies and motors arranged in the pump bodies, wherein the motors are brushless and Hall-free direct current motors. The controller comprises a shell and a circuit board. The circuit board comprises a master control circuit board body and motor driving board bodies used for independently controlling the corresponding water pumps. Non-vulnerable electronic elements in a circuit are integrated through the master control circuit board body. According to the water pump control system and the massaging bathtub with the same, the circuit board is completely separated from the water pumps, the electronic elements are moved away from high-temperature environments, humid environments and other environments; and meanwhile the non-vulnerable electronic elements which can be used in common are integrated, and therefore the electronic elements can be comprehensively and efficiently used. With the structure, even vulnerable parts in the circuit break down or are damaged, maintaining and replacing can also be carried out conveniently and rapidly, the whole circuit board and the whole water pumps do not need to be discarded, a large number of economic losses are saved, and waste is reduced.

The invention discloses an impeller used for an aerator. The impeller includes a blade frame and blades; the blade frame is detachably connected with the blades, the blade frame is of a regular polygon structure, any one side of the polygon structure is provided with a raised line smaller than the side in length, and the blades are provided with clamp grooves matched with the raised lines and a plurality of water through holes. An impeller structure formed by the combination of the detachable blades and an impeller body is adopted, installation, maintenance and replacement can be very rapidly conducted, the firmness is high, the service life is prolonged, and the problem that the whole traditional impeller needs to be replaced after being locally damaged; double-insurance installation is adopted between the blades and the blade frame, on the basis that the clamp grooves are connected with the raised lines, inserting blocks are connected with inserting holes, and the reliability and the firmness of connection are enhanced. The water through holes in the impellers adopt two structures, the first through holes are formed near the connection portions of the blades and the impeller body, the second through holes are formed away from the connection portions of the blades and the impeller body and provided with blocking strips, and the amount of oxygen, entering in water, from air is increased.

The invention relates to a pull-plug type breathing device of a closed container, comprising a shell box and a combined type integral anti-pollution filtering plug-in unit, wherein the combined type integral anti-pollution filtering plug-in unit is arranged in the shell box. The pull-plug type breathing device has the advantages of simple structure, low cost and safety and convenience for use, can not only be used for the technical improvement of the pollution and volatilization prevention of the rational open-type container, but also be merged into the newly produced closed container. The pull-plug type anti-pollution filtering breathing device has the advantages of unit modular design of an assembly, plant standardized production, safety in operation, convenience for maintenance and fast installation.

The invention discloses a high-safety door plank grinding device convenient to maintain. The high-safety door plank grinding device convenient to maintain comprises a grinding plate, a grinding assembly disc, a grinding assembly head, a motor, a motor assembly head, a control head and an electrical connecting handle, wherein the bottom end of the grinding assembly disc is connected with the grinding plate in a locking mode, the top end of the grinding assembly disc is connected with the grinding assembly head in a buckling mode, the top end of the grinding assembly head is connected with the motor in a locking mode, the top end of the motor is inlaid in and connected with the bottom end of the motor assembly head in a buckling mode, and the control head is connected with the right end of the motor assembly head in a locking mode. The high-safety door plank grinding device convenient to maintain has the advantages in use that 1, through a provided electromagnetic braking device, the electromagnetic braking can be started in a pressing mode when the high-safety door plank grinding device convenient to maintain is used to carry out emergency stop working locking, so that the high-safety door plank grinding device convenient to maintain ensures safety better and is convenient to use in emergency situations and in controlling faults; and 2, the high-safety door plank grinding deviceconvenient to maintain can conveniently and stably disassemble and assemble the motor through a provided buckle device, so that the motor of the high-safety door plank grinding device convenient to maintain can be quickly and conveniently maintained and replaced and the high-safety door plank grinding device convenient to maintain is convenient to use.

The invention relates to the technical field of new energy and discloses a photovoltaic power generation panel capable of realizing rapid maintenance and replacement. The power generation plate comprises a body and a supporting base, wherein the left side and the right side of an upper end of the supporting base are respectively fixedly connected with a supporting block, upper ends of one group oftwo supporting blocks are fixedly connected with first supporting rods, upper ends of the two first supporting rods are connected with first mounting mechanisms and are jointly connected with the body through the two first mounting mechanisms, second supporting rods are arranged above the two supporting blocks in the other group, and the two supporting blocks in one group are connected with lifting mechanisms and are connected with the two second supporting rods through the lifting mechanisms. The photovoltaic power generation panel is advantaged in that people can conveniently adjust an inclination angle of the photovoltaic power generation panel according to the installation position, adjustment is convenient, moreover, dust on a surface of the photovoltaic power generation panel can becleaned, and the situation that power generation efficiency is affected due to the fact that too much dust is accumulated on the surface of the photovoltaic power generation panel is prevented.

The invention relates to an air cooling device, in particular to a modified air cooler which comprises a box body (1), an evaporator (2), a fan (3) and a water diversion disc (9). The box body (1) is connected with the fan (3), and the evaporator (2) is arranged in the box body (1). The box body (1) is provided with a water inlet pipe (5) and a water outlet pipe (6), and a water receiving disc (7) is arranged on the lower portion of the box body (1). A water drain opening (8) is arranged on the water receiving disc (7), and the water diversion disc (9) is arranged on the upper portion of the evaporator (2) in the box body (1). An outlet end (5-1) of the water inlet pipe (5) is accessed to the upper portion of the water diversion disc (9), and a plurality of water diversion holes (9-1) are formed in the water diversion disc (9). The modified air cooler is simple in structure, good in defrosting effect, and convenient to defrost. The water diversion disc is adopted to spray water and defrost without stopping a machine, and production efficiency is high. The water diversion disc is long in service life, and quite convenient and quick to maintain and replace after being damaged.

The invention discloses a hollow shaft structure of a multi-layer furnace as well as a dismounting tool and a dismounting method for a rabble arm and rabble teeth. The hollow shaft structure comprises a hollow shaft, the rabble arm and the rabble teeth, and further comprises a variable-frequency speed regulating motor, a speed reducer, a small bevel gear and a large bevel gear; wherein the rabble arm is connected with the hollow shaft through rabble arm pins; the rabble teeth are mounted on a slide path on the bottom of the rabble arm, and are located by rabble teeth pins on the end part of the rabble arm; the bottom shaft of the hollow shaft is fixedly connected with the large bevel gear, and the large bevel gear is mutually engaged with the small bevel gear; and the small bevel gear is connected with a drive shaft of the variable-frequency speed regulating motor through the speed reducer. Compared with the prior art, the hollow shaft structure has the beneficial effects that: firstly, the rabble arm and the rabble teeth are more convenient and quicker to maintain and replace through key equipment of the multi-layer furnace, so that production efficiency is improved; and secondly, the drive device is compact in structure, so that space is saved, and a rotation speed regulating range is great; and thirdly, the hollow shaft structure is suitable for incineration of various sludge garbage.

The invention relates to a built-in pump LNG (liquefied natural gas) storage tank, belongs to the field of LNG storage devices, and discloses the built-in pump LNG storage tank. The built-in pump LNG storage tank comprises an LNG storage tank body and a pump well, wherein the pump well is connected on the LNG storage tank body, and stretches into the LNG storage tank body; an LNG immersed pump is arranged in the pump well; one end of a liquid outlet hose is connected on the LNG immersed pump, and the other end of the liquid outlet hose is communicated to the outer part of the pump well; a hoisting mechanism used for hoisting and lifting the LNG immersed pump and a pump well blind flange used for sealing the pump well are arranged at the opening part of the pump well; a pump well bottom valve is arranged at the bottom of the pump well; the pump well bottom valve comprises a valve seat, a valve core and a spring seat; the spring seat is fixedly connected with the valve seat through a valve core guide pillar; the valve core is arranged on the valve core guide pillar in a sleeving manner, and is propped against the spring seat through a spring; the valve seat and the valve core are sealed through a valve seat sealing element; and the valve core of the pump well bottom valve is pushed open under the gravity action of the LNG immersed pump, or is closed under the elastic action of the spring.

The invention discloses an intelligent bathroom harness and a processing technology thereof. The intelligent bathroom harness comprises a first wire, a fuse, a second wire and a transparent sleeve, wherein insulation layers at end parts of the first wire and the second wire are stripped to expose core lines, two ends of the fuse wire are respectively connected with the core lines of the first wireand the second wire, the transparent sleeve sleeves the fuse and insulation layers of the first wire and the second wire, and two ends of the transparent sleeve are respectively connected with the insulation layers of the first wire and the second wire in a hot melting way. By the intelligent bathroom harness, the situation that the fuse is heated and damaged due to excessively high temperature can be prevented, and the product quality is improved; and by hot melting of the transparent sleeve and the insulation layer, the sealing performance of the product can be improved, and whether the fuse is favorable can be directly observed by a transparent pipeline.

The present invention discloses a cabinet cabling rack convenient for limited rotation of an electric wire and cabinet. The cabinet cabling rack comprises an equipment cabinet body and a pay-off plate arranged on the equipment cabinet body, an adjusting plate is arranged at the upper end of the pay-off plate, a limiting rod and a rotationally-arranged adjusting screw rod are arranged on the two sides and the middle position of the upper end of the pay-off plate respectively, and the limiting rod penetrates through the adjusting plate; and the adjusting screw penetrates through the adjusting plate in a threaded mode, a wire groove is formed in the upper end face of the pay-off plate, a stepped hole is correspondingly formed in the adjusting plate, a jacking screw is rotationally arranged in the stepped hole, an inner threaded sleeve is arranged at the bottom end of the jacking screw in a threaded and sleeved mode, a wire clamping block is arranged at the bottom end of the inner threaded sleeve, and the bottom end of the wire clamping block is inserted into the wire groove. Through the arrangement of a vertical rod, a return spring, a connecting block, a fixing block, a reset spring sleeve rod and a connecting plate, rapid installation of a wire group is facilitated, and under the cooperation of an adjusting plate, a limiting rod, an adjusting screw rod, a jacking screw rod, an internal thread sleeve and a wire clamping block, rapid maintenance and replacement of a single wire are facilitated.

The invention discloses a DNA methylation site analysis device and method based on a triple helix nucleic acid structure, and the device comprises an analyzer body, a workbench, a damping assembly, a station plate, an antiskid assembly, a sample box, a connection assembly, a protection cover, a triple helix nucleic acid structure photoelectrochemical biosensor, a fluorescence excitation lamp and a touch display screen. The workbench is arranged on one side of the top of the analyzer body, the center of the top of the workbench is fixedly connected with the bottom of a damping assembly, and the damping assembly is composed of a damping plate, a single-end stud, a rubber cushion plate, a limiting nut and a buffer spring. The anti-skid structure is additionally arranged, so that the problem that a sample topples and leaks in the moving process of the device is solved, resources are saved, resampling is not needed, the analysis cost of methylation sites is reduced, and the connecting structure is additionally arranged, so that a worker can conveniently disassemble and assemble the protective part, maintenance and replacement are rapid, the labor intensity of the worker is reduced, and the maintenance cost of the device is saved.

The invention provides a suspension type sliding door structure. The suspension type sliding door structure comprises a rail fixed at the upper edge of a doorway, a sliding component sleeved in the rail and a door plate arranged under the rail and connected with the sliding component, wherein the sliding component comprises a sliding seat, a buffering device, two action pins, a locking bolt, two clamping blocks, two elastic parts, a locking plate and an upper cover. The invention also provides a sliding component. According to the suspension type sliding door structure and the sliding component, the sliding seat is pivotally connected with the buffering device; through cooperation of the action pins, prying is provided, so that the actions of maintaining and repairing the suspension type sliding door can be more rapidly, simply and conveniently completed; the maintaining and repairing processes are simplified; and the labor cost and the material cost which need to be consumed during operating can be greatly reduced.

The invention provides a flue gas emission system of a power plant. The flue gas emission system of the power plant comprises a desulphurization tower, wherein a tubular heat exchanger is arranged atthe top of the desulphurization tower; the tubular heat exchanger is directly communicated with desulphurized wet clean flue gas introduced into the desulphurization tower by virtue of an air inlet bellow; ambient air which is lower than the wet clean flue gas is introduced into a heat exchange pipe of the tubular heat exchanger as a cold medium to cool the wet clean flue gas after being desulphurized by the desulphurization tower; the heat exchanged clean flue gas enters an exhaust passage with a liquid collecting tank; and the liquid collecting tank is used for recovering condensed water andis arranged at a low point of the exhaust passage. The flue gas emission system can not only recover the water resources and waste heat, but also can reduce the occupied area of land, reduce the construction cost, shorten the construction period, reduce the energy consumption and water consumption, and also effectively eliminate'white feather'.