50results about How to "Snap-in" patented technology

The invention discloses a braking device for a motor driven mechanism. The braking device has a structure that includes a rotating shaft, a rotor core, electric brushes, a bearing, a commutator segment, a rear end cover, a housing, a stator winding, a stator core, a winding coil, an iron core, a coil, an armature, rollers I, an upper guide rail, a limit block, an upper brake pad, a blade, a connecting rod I, a lower brake pad, rollers II, a lower guide rail, a front end cover, a spring, a slotting, a baffle, a vertical plate, connecting rods II, and a hinge. The rear end cover is embedded to the rear end of the housing. The front end cover is arranged at the front end of the housing and connected with the housing through a bolt. The rotating shaft penetrates through the front end cover. The rotating shaft is arranged on the central axis of the housing. According to the invention, the braking device for the motor driven mechanism is capable of quickly braking the rotating shaft throughthe upper brake pad and the lower brake pad, with small energy loss and with no need to worry about the aging of the spring, the spring at the bottom of the lower brake pad enables the lower brake padto rise more quickly, and through the acceleration of the rising process, the rotating shaft can be quickly braked.

The invention belongs to the field of wafer semiconductor processing, and particularly relates to a wafer semiconductor polishing device and a using method thereof. The wafer semiconductor polishing device comprises a polishing box fixedly arranged on a supporting seat, an air pipe is rotationally connected into the polishing box, a fixing seat is fixedly connected to the upper end of the air pipe, a plurality of containing grooves are formed in the fixing seat, multiple containing grooves are annularly distributed, an air cavity is formed in the fixing seat and communicates with the air pipe, the containing grooves communicate with the air cavity through multiple air holes, and a supporting plate is fixedly connected into the polishing box. According to the wafer semiconductor polishing device, a plurality of wafer semiconductors can be fixed at the same time at a time, the complexity of manual fixing is avoided, dust generated by polishing on the wafer semiconductors can be treated in time in the polishing process of the wafer semiconductors, the complexity of subsequent cleaning is avoided, and meanwhile, the wafer semiconductor polishing device can polish a plurality of wafer semiconductors at a time, and the polishing efficiency is greatly improved.

The invention discloses a two-dimensional vibroswitch device for a windmill generator, which comprises a shell, a sliding sleeve, a support seat, a swinging rod, a sliding rod and a pushing rod, wherein the swinging rod swings in the sliding sleeve; the sliding rod is arranged below the swinging rod through a spring seat and driven by the swinging rod to move up and down in the sliding sleeve; the pushing rod is driven by the sliding rod to move up and down in the support seat; the pushing rod is fixed with two contact springs and moving permanent magnets; and the bottom of an inner cavity of the support seat is fixed with fixed permanent magnets and two fixed contact terminals provided with conducting strips. The vibroswitch device has the advantages of compact structure and convenient assembly and use, and can realize quick and accurate actions without being driven by a power supply, so that the damage of the wind mill generator due to excess vibration of a tower is avoided.

The invention discloses a control method and device of an alternating current contactor. The control method comprises the following steps: collecting the coil voltage of the alternating current contactor; controlling a contact of the alternating current contactor to be closed when the coil voltage of the alternating current contactor is preset close voltage; controlling the contact of the alternating current contactor to be disconnected when the coil voltage of the alternating current contactor is zero voltage. By adopting the method and the device, the problems of contact close bounce of a contactor and arc discharge breaking of the alternating current contactor in the prior art are solved, and the condition that the alternating current contactor can realize rapid closing or disconnecting in the condition of contact failure is ensured.

The invention discloses an electronic type power-saving alternating current contactor which comprises an additional electronic unit and a general alternating current contactor body. The general alternating current contactor body is composed of normally closed contacts, normally open contacts, a movable iron core, a fixed iron core, a reset spring and a magnet exciting coil. The additional electronic unit is a four-port network and is provided with a first input port, a second input port, a first output port and a second output port, the first input port and the second input port are connected with the first end and the second end of an AC voltage respectively, the first output port and the second output port are connected with the first end and the second end of the magnet exciting coil respectively, a switch circuit and an energy storage circuit are arranged inside the additional electronic unit, one end of the switch circuit is connected with the first input port, the other end of the switch circuit is connected with the first output port and one end of the energy storage circuit, the other end of the energy storage circuit is connected with the second output port and the second input port, the switch circuit is composed of a gas discharge tube, and the energy storage circuit is composed of a capacitor.

The present invention discloses a device for testing accumulator on line which comprises of monomer measuring module, CPU control module and power supply module. CPU control module controls monomer measuring module and power supply module and transfers measuring result and power supply module information to CPU control module to store and process, wherein, a constant current module parallel connected to power supply module to make the current output from power supply module and constant current module is invariableness. The structure of present invention saves electricity without adding heating load in discharging process, realizes grouping on line constant current discharging and measuring capacity of accumulator efficiently and safely.

The invention discloses an energy-saving booster relay, A front stage of the isolated power module is electrically connected to a DC input power supply. A step-up circuit module is arrange in front ofthat coil driving indication circuit module, A low stage of that boost circuit module is electrically connected to the high voltage relay coil, A step-up circuit module front stage is electrically connected with a step-down circuit module and a logic judgment and instruction transmission circuit module respectively, A step-down circuit module is electrically connected with a DC input power supplyand a logic judgment and instruction transmission circuit module respectively, and when that logic judgment and instruction transmission circuit module judge to obtain a high-voltage relay on signal,the step-up circuit module is conveyed to control the boosting instantaneous voltage; A step-down circuit module, a step-up circuit module, a logic judgment and instruction transmission circuit module, and a coil driving instruction circuit module are integrate into that relay to form an integral relay structure, and the step-down circuit module, the step-up circuit module, the logic judgment andinstruction transmission circuit module, and the coil driving instruction circuit module are integrated into the relay. The utility model improves the service reliability and service life of the high-voltage relay, reduces energy consumption and waste, and has low total energy consumption.

The invention relates to a chain-sheet structure provided with double spaces. A limiting block is arranged at the adjacent position between an acting surface of a chain-sheet body and a first clamping face, and the height of the limiting block is larger than that of the acting surface; a lining is connected to each annular protrusion in an assembled mode, a hole is formed in each lining, and the maximum diameter of each hole is larger than that of the corresponding annular protrusion; two chain-sheet bodies can be assembled relatively, so that a first space is formed between the acting surfaces of the two chain-sheet bodies, the limiting block is used for narrowing the first space, and the linings move on combined parts in a limited mode for forming a second space. By means of the structure, the advantages of changing speed stably and fast and avoiding noise can be achieved.

The invention relates to the technical field of electromagnetic valve control, in particular to an automobile electromagnetic valve control circuit and a control method thereof. The automobile electromagnetic valve control circuit comprises a signal input module, a power source module, a control module, a driving module and a power amplification module. The signal input module is used for receiving action signals of electromagnetic valves and sending the action signals to the control module; the control module is used for controlling the power source module according to the time sequence to output different voltages so as to provide power for the electromagnetic valves and controlling the driving module to drive the corresponding electromagnetic valves to work; the power source module is used for converting the voltage of an automobile power source into corresponding voltage and outputting the power according to a control signal of the control module; and the driving module is used forbeing connected with the power amplification module according to the control signal of the control module; and the power amplification module is used for being connected with the electromagnetic valves and the power source module. An automobile electromagnetic valve control device is provided. High-speed response of the electromagnetic valves is achieved, the response time is greatly shortened, meanwhile the buffering technology is utilized, application to the occasion of high-speed adjustment is achieved, impact caused by high-speed action is reduced, and the noise is lowered.

The invention discloses a power-saving type alternating current contactor with a power-saving unit. The power-saving alternating current contactor with the power-saving unit is composed of a first voltage-controlled switching circuit, an energy-storing circuit and a second voltage-controlled switching circuit, and is characterized in that the power-saving type alternating current contactor with the power-saving unit is a network provided with four ports, the port N1 and the port N2 are input ports of the network, and the port P1 and the port P2 are output ports of the network; the input port N1 and the input port N2 are connected with the S1 end and the S2 end of the AC voltage respectively, and the output port P1 and the output port P2 are connected with the A1 end and the A2 end of the magnet exciting coil L of a traditional alternating current contactor respectively; the N1 end, the first voltage-controlled switching circuit, the energy-storing circuit, the second voltage-controlled switching circuit and the N2 end are sequentially connected in series, the P1 end is led from the connecting position of the first voltage-controlled switching circuit and the energy-storing circuit, and the P2 end is led from the connecting position of the energy-storing circuit and the second voltage-controlled switching circuit.

The invention discloses an inserting-connection assembly for an automobile seat headrest. The inserting-connection assembly comprises an inserting tube and an inserting link arranged in the inserting tube in an inserting manner, and is characterized in that the inserting tube is hollow and provided with an open end, the open end of the inserting tube is provided with at least two grooves distributed circumferentially, and the inserting link is provided with a plurality of bumps matched with the grooves. According to the inserting-connection assembly for the automobile seat headrest, the inserting tubes are provided with the grooves matched with the bumps on the inserting link, so that the inserting link can be more stably locked and prevented from circumferentially rotating relating to the inserting tube. Meanwhile, the inserting-connection assembly is good in structural stability, thus being capable of being produced by plastic material with light weight, and saving in cost.

The invention discloses a guiding idler wheel set of a fork multistage gantry. The guiding idler wheel set is arranged between gantry inner channel steel and gantry outer channel steel and comprises amain idler wheel piece, a lateral idler wheel piece and an adjusting assembly, wherein the main idler wheel piece and the lateral idler wheel piece move up and down along the gantry inner channel steel, and one end of the adjusting assembly and the gantry outer channel steel are fixedly mounted. A lateral idler wheel seat and the adjusting assembly are connected through a thread. According to theguiding idler wheel set of the fork multistage gantry, annular abrasion-resistant rings are embedded into the outer circumferential faces of a main idler wheel and a lateral idler wheel, so that whenthe guiding idler wheel set is used, the abrasion-resistant ring of the main idler wheel makes contact with the inner side faces of two edge plates of the gantry inner channel steel, the abrasion-resistant ring of the lateral idler wheel makes contact with the inner side face of a middle plate of the gantry inner channel steel, the situation that the main idler wheel and the lateral idler wheel directly make contact with the gantry inner channel steel is avoided, thus the abrasion degree to the gantry channel steel and abrasion of the main idler wheel and the lateral idler wheel are reduced,and the service life of the guiding idler wheel set and the gantry channel steel is prolonged.

The invention discloses an easy-to-mount prefabricated wall body and a mounting method thereof. The prefabricated wall body includes wall panels, an insulation material, and a plurality of support keels, the plurality of support keels are vertically fixed between upper and lower floor slabs and arranged in the length direction of the prefabricated wall body, two wall panels are arranged on both sides of the support keels respectively, and the insulation material is sandwiched between the two wall panels; the support keels are provided with T-shaped chucks corresponding to the wall panels; thewall panels are provided with horizontal transverse keels, horizontally extending clamping grooves are formed in the horizontal keels, the chucks extend into the clamping grooves, and jack catches arearranged at notches of the clamping grooves. The mounting method mainly includes the steps that the support keels are fixed, the wall panel on one side is mounted, the insulation material is filled,and the wall panel on the other side is fixed. The invention relates to the field of construction, and provides the easy-to-install prefabricated wall body and the mounting method thereof. The problems of complex mounting and low efficiency can be overcome, the sound insulation and voice insulation performance of the prefabricated wall body can be ensured, and the construction efficiency can alsobe improved.

The invention discloses a pulse driving circuit for a high-voltage pull-down pulse generating device, which includes a driving circuit including a unipolar high-voltage DC power supply, a synchronous pulse signal source, a fast switching component, a driving pulse output terminal, and a unipolar high-voltage DC power supply passing through The series high-voltage resistance is connected with one end of the switch module of the fast switch part and the pulse output end, the other end of the switch circuit is grounded, and the synchronous pulse signal source is connected with the trigger module of the fast switch part to control the opening or closing of the switch module of the fast switch part; the present invention The sensitivity and resolution of the time-of-flight mass spectrometer are improved through the drive circuit, and the design is simple and the cost is reduced.

The invention discloses a dual-electromagnetic relay which is characterized in that the dual-electromagnetic relay comprises a shell, a fixed device, electromagnetic components and contact components,the fixed device comprises a support rod and a support seat, the support seat is vertically fixed in the shell, the support rod is horizontally arranged and is fixed with a support seat by bolts, each of the electromagnetic components comprises an iron core, a coil, a coil frame and an energization circuit on the coil, the coil frame is fixed between the shell and the support seat, the iron corewhich is wrapped in the coil is arranged on the coil frame, each of the contact components comprises an armature and a moving contact, the armatures are arranged on an upper surface and a lower surface of one end of the support rod, the moving contacts are fixed to the other end of the support rod, and the contact components also comprise leading-out ends corresponding to the moving contacts and permanent magnets arranged in the supporting seat. According to the dual-electromagnetic relay, the attraction and separation of the contacts can be quickly achieved, and at the same time, the attraction and release of the contacts are effectively controlled through detecting the distances of the contacts.

The invention relates to the technical field of ternary material manufacturing, in particular to an integrated production process for a ternary material. The process comprises the following steps: fully stirring and mixing a ternary material raw material and pure water in stirring and mixing equipment to form a ternary material salt solution; feeding the ternary material salt solution into a washing kettle in virtue of the stirring and mixing equipment, adding dilute alkali liquor, a complexing agent, a coating agent and pure water at the same time, carrying out a complexing reaction and conducting ageing; after aging, feeding a product of the previous step into a stirring tank type filter, adding dry powder, and carrying out slurrying, washing and filtering by using pure water and dilutealkali liquor; and allowing a filtered and washed filter cake to enter a drying machine via a solid discharging pipe and carrying out drying. The process can adapt to the process requirements of largeproduction scale, high water content and washing effect requirements, high particle crystal form requirements, high purity requirements and high closed operation requirements of the ternary material;and the self productivity and the production efficiency of the process can be effectively ensured, and the green manufacturing characteristics of efficiency improvement, energy conservation, consumption reduction and emission reduction required by the current green manufacturing are synchronously achieved.

The invention discloses an LED display module and an LED display, which relate to the field of display screens and include a frame case, the front of the frame case is fixedly connected with a clamping mechanism, and the front of the frame case is provided with a limiting mechanism. In this solution, by setting the shading cloth and the connecting mechanism, the shading cloth is pulled by pulling apart the first installation case and the second installation case, and then the sliding rod is rotated so that the sliding rod is inserted into the fixed case, and then two The rubber block can make the slide bar be clamped, so as to realize the opening of the shading cloth, and the use of the shading cloth can realize the shading of the light, thereby preventing people from using the LED display screen at night or when the light is dark. To affect other people, when it is not needed to use, use the opposite operation to put away the shade cloth, and use two magnets to make the first installation shell and the second installation shell can be quickly attracted together, realizing the shade cloth Quick storage greatly improves the practicality.

The invention provides a damping driving mechanism and a liquid-magnetic circuit breaker. The damping driving mechanism comprises a static iron core, a movable iron core, a driving part, a resetting spring and a coil, wherein the driving part is fixed on the movable iron core; the coil is wound around the static iron core and the movable iron core; when current of the coil is more than rated current, an attraction force between the static iron core and the movable iron core is more than a pre-tightening force of the resetting spring; the movable iron core moves toward the static iron core and the driving part moves along the movement of the iron core. The damping driving mechanism has the advantages that the iron cores in an oil damping device are ingeniously designed and an elastic force of the spring is overcome under the action of a magnetic field force; when the damping driving mechanism upward moves to a proper distance from the static iron core, the attraction force between two magnetic poles is greatly more than an acting force of the spring, so that the iron cores are rapidly attracted; meanwhile, the mechanism is triggered to move through the driving part.

The invention discloses a projection setting mounting bracket capable of quick disassembly and lifting control, comprising a mounting bracket main body, an electric telescopic device, a rotating shaft, a tightening nut, projection equipment, a handle, a reset rotating shaft and bolts, the mounting bracket The top of the main body is provided with a fixed seat, and an electric telescopic device is provided under the fixed seat, and the lower end of the electric telescopic device is connected with the mounting frame through a rotating shaft, and a tightening nut is arranged on the rotating shaft at the same time, and the front of the mounting frame The side is provided with a fixed plate, and the lower part of the inner side of the fixed plate is provided with a support block, the inner side of the installation plate is connected with the projection equipment through bolts, and the lower end surface of the installation frame is provided with an installation port. The projection setting installation bracket that can realize quick disassembly and lifting control can realize the rapid installation of projection equipment on the installation frame, and does not need to dismantle a large number of bolts, the disassembly time is short, and different types of projection equipment can be installed and fixed , strong versatility.

The invention discloses an LED display screen module and an LED display screen, and relates to the field of display screens. The LED display screen module comprises a frame shell, the front surface ofthe frame shell is fixedly connected with a clamping mechanism, and the front surface of the frame shell is provided with a limiting mechanism. According to the scheme, shading cloth and a connectingmechanism are arranged, the shading cloth is pulled by pulling a first mounting shell and a second mounting shell open, then a sliding rod is rotated and inserted into a fixed shell, the sliding rodcan be clamped through two rubber blocks, the shading cloth is thus opened, the shading cloth can be used for shading light, so that the situation that when people use the LED display screen at nightor in dark light, other people are affected by light is avoided; and when the LED display screen is not used, the shading cloth is folded through opposite operation, and the first mounting shell and the second mounting shell can be quickly attracted together through two magnets, so that quick storage of the shading cloth is realized, and the practicability is greatly improved.

The invention discloses a braking device for a motor driven mechanism. The braking device has a structure that includes a rotating shaft, a rotor core, electric brushes, a bearing, a commutator segment, a rear end cover, a housing, a stator winding, a stator core, a winding coil, an iron core, a coil, an armature, rollers I, an upper guide rail, a limit block, an upper brake pad, a blade, a connecting rod I, a lower brake pad, rollers II, a lower guide rail, a front end cover, a spring, a slotting, a baffle, a vertical plate, connecting rods II, and a hinge. The rear end cover is embedded to the rear end of the housing. The front end cover is arranged at the front end of the housing and connected with the housing through a bolt. The rotating shaft penetrates through the front end cover. The rotating shaft is arranged on the central axis of the housing. According to the invention, the braking device for the motor driven mechanism is capable of quickly braking the rotating shaft throughthe upper brake pad and the lower brake pad, with small energy loss and with no need to worry about the aging of the spring, the spring at the bottom of the lower brake pad enables the lower brake padto rise more quickly, and through the acceleration of the rising process, the rotating shaft can be quickly braked.

The invention relates to a power-saving and silencing alternating-current contactor, which comprises a power-saving unit and an alternating-current contactor, wherein the power-saving unit consists of a voltage control switch circuit composed of a transient voltage suppressor diode, an energy storage circuit composed of a capacitor and a rectifying and energy locking circuit composed of a diode and is a four-port network, input ports of the four-port network are connected with AC (Alternating Current) voltage, and output ports of the four-port network are connected with an excitation coil in the alternating-current contactor.

The invention relates to an industrial solid waste comprehensive utilization treatment method. Industrial solid waste comprehensive utilization treatment equipment is used, the equipment comprises a circular base and a clamping device arranged at the top of the circular base, and a rust removal device is further arranged at the top of the circular base. Through the arrangement that the size of an inverted circular truncated cone groove in a cylinder is gradually reduced, steel bars can be quickly aligned and clamped, adaptive clamping of the steel bars with different sizes within a certain range can be achieved, and through cooperation between a T-shaped block and a wedge-shaped plate, a circular plate can move downwards under the self-weight acting force of the waste steel bars to be machined. A telescopic rod moves along with the circular plate and extrudes and fixes the waste steel bars to be machined, so that the downward moving distance of the waste steel bars to be machined is equal to the moving distance of the telescopic rod, the external auxiliary clamping effect on the steel bars to be machined can be achieved, the stability degree of the steel bars is improved, and then the phenomenon that the steel bars deviate is avoided.