173results about How to "Convenience to work" patented technology

The invention relates to a two-chamber low-pressure casting holding furnace and a low-pressure casting method. The two-chamber low-pressure casting holding furnace comprises a heat preservation chamber, a low-pressure casting chamber, a communicating cavity, a liquid rising pipe, a first air inlet pipe and a liquid opening, wherein the heat preservation chamber comprises a precipitation cavity and a confluence cavity; and the communicating cavity comprises a liquid inlet section, a transition section and a liquid outlet section. Compared with the prior art, the heat preservation chamber of the holding furnace is directly communicated with the low-pressure casting chamber, an intermediate valve is omitted, and the pressure bearing capacity of the holding furnace is greatly improved; and large pressure can be generated by arranging a second air inlet pipe and enabling the second air inlet pipe to be matched with the first air inlet pipe, so that the overall working performance of the holding furnace is improved in a spanning manner, the holding furnace can be used for producing thin structural parts, such as automobile chassis parts, A columns and B columns, with larger projection areas, and the practicability of the holding furnace is greatly improved.

The application belongs to the field of cutting tools, and provides a turning force measuring tool with embedded flexible sensors and a machine tool, which effectively measures the turning force without affecting the structure of the turning process, and ensures the accuracy and reliability of the signal, and the technical scheme comprises a tool body, the tool body comprises a blade, a positioning assembly and a clamping assembly for clamping the blade; the positioning assembly comprises a freedom degree limiting assembly for limiting the movement of the blade along the x-axis, y-axis and z-axis directions; a flexible sensor is arranged on the lower surface of the blade, a flexible circuit is arranged at the front end of the tool body, the pressure sensor and the flexible circuit are connected through flexible wires; the flexible sensor is used for converting the deformation of the blade under the action of the turning force into a voltage signal; and the flexible circuit is used for calculating the size of the turning force according to the relationship between the voltage signal and the turning force.

This utility model discloses a microelectronic component testing and screening device, relating to the field of electronic component processing technology. It includes: a frame with a feeding and conveying system mounted on it; a double-sided testing mechanism mounted on the frame, comprising a testing component and a pair of flipping clamping components, the flipping clamping components being able to clamp and flip the microelectronic components to be tested so that the testing component can perform double-sided testing; a screening mechanism including a guide plate that can move horizontally above a waste guiding component and a discharge conveying system; and a waste collection box located below the waste guiding component for collecting products that fail the testing. This utility model features high testing accuracy and high working efficiency.

The utility model belongs to the technical field of electroetching pens, and discloses a combinable and spliced electroetching pen, which comprises an upper pen shell and a lower pen shell which are in threaded connection, a storage battery is arranged in the upper pen shell, a power module is arranged in the lower pen shell, the power module is connected with a connector, the connector is connected with a carving head, and the carving head is connected with the storage battery. The electric etching pen comprises an upper pen shell and a lower pen shell, a heat absorption sleeve is arranged on the outer side of the upper pen shell, the lower end of the heat absorption sleeve extends to the lower pen shell, firstly, the electric etching pen is of a split structure, different storage batteries and power modules can be replaced according to needs, and secondly, positioning protrusions on the inner wall of the heat absorption sleeve extend into positioning grooves in the outer walls of the upper pen shell and the lower pen shell respectively. Therefore, relative rotation of the upper pen shell and the lower pen shell due to vibration can be prevented, loosening is avoided, and finally, the structure of the heat absorption sleeve can absorb part of heat during working, so that the electric etching pen can work better.

This invention provides a self-limiting conveying device for processing automotive flywheels, comprising a base plate, a wheel, a push block, a positioning block, a positioning mechanism, an output component, and an input component. The operator places the flywheel to be processed on the input component. Driven by a belt, the flywheel enters the channel. The operator rotates the rocker counterclockwise, causing the wheel to rotate, which in turn causes the push block to propel the flywheel forward to the processing station and then back. During the return process, the positioning block swings and positions the flywheel at the processing station. At this point, the flywheel is in a fixed state, and the processing equipment begins operation. After processing is completed, the operator continues to rotate the rocker, causing the positioning block to retract, and the flywheel to be in a free state. The push block then propels newly arrived unprocessed flywheels forward and pushes out the processed flywheel. The pushed-out flywheel enters the output component and is transported to the next station. This device solves the problem of low work efficiency in traditional flywheel processing where the operator must both move and position the flywheel.

The utility model discloses a welding machine control panel protection mechanism, which relates to the technical field of welding machine control panel protection, and comprises a panel body, a protection component is arranged above the front surface of the panel body, a control panel is connected above the back surface of the panel body, a fan is arranged above the back surface of the panel body, and a key is connected above the front surface of the panel body. The protection assembly comprises a first protection cover. According to the welding machine, through the arrangement of the protection assembly, the fan, the control panel and the like, after the welding machine is started, the control panel is in a working state, the pressing rod relieves the state of abutting against the key, and therefore the fan can operate, heat dissipation treatment can be conveniently conducted on the control panel, cooling protection work on the control panel is achieved, the control panel can work well, and the service life of the welding machine is prolonged. And when the welding machine is in a non-working state, the protection cover is manually closed, the protection work of the control panel at the plate body can be well completed through the protection cover, and the protection mechanism is high in practicability.

The application belongs to the technical field of detonator production, and provides a process for automatic boxing and secondary distribution of boxed base detonators, which comprises a transfer box, the bottom end of the transfer box is fixedly connected with a conveying plate, a mounting mechanism is arranged on the inner side wall of the transfer box, the mounting mechanism comprises mounting grooves and mounting bolts, the mounting grooves are arranged in multiple numbers on the outer side wall of the transfer box, the mounting bolts are arranged in multiple numbers on the inner side wall of the transfer box, and multiple through holes are arranged on the outer side wall of the transfer box; the two transfer boxes can be spliced together through the arrangement of the mounting bolts, the storage of detonators is facilitated, the sliding block can slide in the connecting sliding groove through the pulling of the sliding door plate, the detonators are facilitated to enter, the transfer boxes can be stacked and stored through the splicing between the convex tenon and the concave mortise, the overall strength of the transfer box can be increased through the reinforcing ribs, and the stability of the transfer box in use is ensured.

The utility model provides a screw conveyor convenient to unload, relates to the technical field of screw conveyors, and comprises a conveyor upper shell and a lower arc-shaped shell, the lower end of the conveyor upper shell is engaged and clamped with the lower arc-shaped shell, the left side of the conveyor upper shell is welded with a left support frame, and the right side of the conveyor upper shell is welded with a right support frame; a transmission plate is welded to the end face of the rear side of the lower arc-shaped shell and connected with fixing blocks through fixing rods, the fixing blocks are welded to the rear side ends of the left supporting frame and the right supporting frame, worm wheels are installed on the rod faces of the left sides of the fixing rods, and worms are connected to the front sides of the worm wheels in an engaged mode. The utility model solves the problem that the energy consumption of the screw conveyer is increased due to the fact that the excess materials in the conventional common screw conveyer for unloading at the linear end part need to be cleaned and discharged in time and the unloading path of a longer machine body is longer.

The invention discloses a water stop structure with a prefabricated bottom plate serving as a construction platform of a hanging box cofferdam and a construction method.The water stop structure comprises the prefabricated concrete bottom plate and a steel stand column, the prefabricated concrete bottom plate is provided with an avoiding hole allowing the steel stand column to penetrate through, the steel stand column is sleeved with an annular bracket, and the annular bracket is located below the prefabricated concrete bottom plate; a first waterproof piece is arranged on the inner wall of the annular bracket, a second waterproof piece is arranged between the annular bracket and the prefabricated concrete, and a mounting seat connected with the annular bracket is connected to the steel stand column. The prefabricated concrete bottom plate can be used as a construction platform, drilling and other working procedures can be carried out, after construction of other working procedures is completed, the prefabricated concrete bottom plate is lowered to the water surface, the prefabricated concrete bottom plate serves as a bottom plate of the cofferdam structure, and the annular bracket is attached to the bottom face of the prefabricated concrete bottom plate through the mounting base; and the first waterproof part and the second waterproof part can work conveniently, waterproof mortar can be poured into the avoiding holes conveniently, and the waterproofness between the prefabricated concrete bottom plate and the steel stand column is guaranteed.

The utility model discloses a bean product cooking device which comprises a shell, a temperature guide plate is fixedly connected to the bottom of the inner wall of the shell, a heating plate is fixedly connected to the bottom of the temperature guide plate, a temperature guide ring is fixedly connected to the top of the temperature guide plate, and a hollow block is fixedly connected to the front face of the shell. And the top of the left side of the hollow block communicates with a fan. Materials are placed in the inner cavity of the temperature conducting ring, temperature conducting liquid is led in through the feeding pipe, then the fan, the heating plate and the heating net are controlled to work through the externally-arranged PLC, heat is transmitted to make contact with the materials through the temperature conducting plate to conduct cooking work, gas can be sucked in in the working process of the fan, the gas can be heated by the heating net in the sucking-in process, and therefore the materials are cooked. And then the heat is discharged into the inner cavity of the heat exchange pipe through the exhaust pipe, the heat is guided into the temperature conducting liquid through the heat exchange pipe, and then the temperature is guided out through the temperature conducting ring to be in contact with the materials, so that dual-heating cooking work is performed, and the work is efficient.

The utility model relates to the technical field of manned crane, especially a manned crane, including support component, support component includes a plurality of crossbeam that interval setting, the crossbeam top surface left and right symmetry is provided with two groups of hoist and lift mechanism, and the hoisting rope of two groups of hoist and lift mechanism is commonly connected with box body component, and two groups of hoist and lift mechanism not only can jointly lift or descend box body component, but also can respectively and individually lift or descend box body component, and the limiting component that prevents the shaking of box body component during moving is still arranged on the both sides of box body component, the utility model's advantage lies in: through the setting of two groups of hoist and lift mechanism, can effectively prevent the hoisting rope of one group of hoist and lift mechanism from breaking, the device cannot be normally used, greatly improves the service life of device, greatly improves the security of device, more practical.

The utility model provides a detachable infusion support for DSA equipment, which comprises an infusion support main body, the infusion support main body comprises a rod piece, a hook and an infusion pump tray, the hook is arranged at the top end of the rod piece, and the infusion pump tray is movably arranged on the rod piece; the fixing assembly comprises a movable transverse rod and a plurality of buckling pieces, and the rod pieces are movably installed on the movable transverse rod. When an operation needs to be carried out in a DSA equipment operating room, the buckle piece in the fixing assembly is fixed to a transverse rod on the side of a DSA equipment bed body, when a patient needs to be transferred, the buckle piece is installed on the transverse rod of a transfer bed to be transferred along with the patient, and in the transfer process, the hook and the infusion pump are static relative to a sickbed; the situation that a needle falls off due to relative movement of the infusion support and a sickbed in the transfer process is avoided; the device not only can be used for hanging liquid, but also can be used for placing an infusion pump, and can be detachably mounted on DSA equipment or a bed body, so that operations or transfer and the like are facilitated, and the situations that an infusion needle falls off and the like are reduced.

The invention belongs to the technical field of inertial navigation, and discloses a method and a device for testing the dynamic precision of an attitude instrument based on constant angle pulse. The method does not need additional auxiliary equipment, does not need to calibrate the installation error between the attitude instrument and the rotary table in advance, is suitable for various rotation working conditions such as constant speed, acceleration and deceleration, swinging motion and sinusoidal motion, can efficiently and accurately complete the dynamic precision test of the attitude instrument, remarkably saves the time cost and the operation and maintenance cost of the test, and improves the test efficiency. And batch production and test work development of the attitude instrument are facilitated.

The utility model relates to medical equipment technical field discloses a multifunctional drainage tube fixing and carding device, including soft board and the clamping mechanism of assembly in the soft board outside, and the fixed establishment of assembly in the soft board inside. The multifunctional drainage tube fixing and carding device, through the setting of soft board, clamping mechanism and fixed establishment, will be located patient drainage tube below the first sub magic paste of soft board one side and be pasted on the first magic paste, pull round rod and drive movable plate activity and extrude spring, put the drainage tube between the first semicircular plate and second semicircular plate, in loosening round rod, spring reset, make second semicircular plate move towards first semicircular plate and hold the drainage tube in the clamp, and when disassembling the drainage tube, only need to pull round rod, drive movable plate movement, make second semicircular plate away from first semicircular plate can take out the drainage tube, thereby reduce the discomfort of patient when disassembling the drainage tube, increase the comfort degree of patient.

The invention provides a pole piece of a lithium ion battery and a preparation method of the pole piece, the pole piece of the lithium ion battery comprises a current collector and an active material coated on the current collector, and by arranging the active material and an adhesive, the active material can be conveniently and rapidly fixed when being extruded and arranged on the current collector along an angle; the assembly state of the active material on the current collector is stabilized, the active material is placed in the slit die cavity to be extruded, the active material moves and deforms towards the single side direction, so that the structure becomes long and narrow, and the end part of the long and narrow active material is connected with the current collector to be rolled, so that the tortuosity of the lithium ion battery pole piece is reduced, and the service life of the lithium ion battery pole piece is prolonged. And the migration rate of lithium ions in the pole piece and the embedding rate of the lithium ions in the active material are accelerated, meanwhile, the problem that the pole piece is expanded and increased due to lithium ion embedding in the thickness direction of the pole piece is solved, and the probability of deformation of the lithium ion battery is reduced.

The utility model relates to an oil exploitation drilling tool. The drilling tool comprises a drill body, three evenly-distributed cones, a PDC cutting structure and a plurality of auxiliary assemblies. The tooth wheel is composed of a tooth column and three layers of tooth palms, and coarse and fine layered crushing is carried out step by step, so that the drilling efficiency is improved. The PDC cutting structure is arranged at the end of the drill body and comprises a triangular prism, a column groove, a main blade, an auxiliary blade and a side blade, large-diameter PDC cutting parts are arranged on the main blade and the auxiliary blade, PDC cutting parts with the diameters gradually reduced are arranged on the side blade, the cutting effect is optimized, and the adaptability of the drilling tool in a hard rock stratum is enhanced. The adaptability of the drilling tool in soft and hard rock stratums is further improved through the small blades and the small-diameter PDC cutting pieces on the rectangular plate, and it is ensured that the drilling tool works stably and efficiently. The overall design effectively reduces the abrasion of the drilling tool, prolongs the service life, improves the drilling efficiency, and reduces the mining cost. The drilling tool is suitable for rock stratums with different hardness and has a wide application prospect in oil exploitation.

This utility model discloses a mobile emergency drainage device for garbage pits, including a mobile platform, a garbage pit, and a receiving trolley. The receiving trolley is slidably mounted on the upper surface of the mobile platform. A support rod is fixedly connected to the top of the receiving trolley, and a support plate is fixedly connected to the top of the support rod. An electric hoist that moves horizontally is mounted on the lower surface of the support plate. This utility model relates to the field of garbage pit drainage technology. This mobile emergency drainage device for garbage pits, after the pumping mechanism operates, can extract leachate from the bottom of the garbage pit cavity into a sewage discharge pipe on the mobile platform. The water injection mechanism can wash the surface of the filter screen, improving the stability of the leachate extraction process, preventing the filter screen from becoming clogged due to excessive garbage in the garbage pit, thus ensuring timely drainage of leachate, increasing the calorific value of the garbage, and guaranteeing normal and efficient garbage incineration.

The application discloses a shrinkage-compensating concrete containing acid-free weak base expandable graphite and a preparation method thereof. The concrete comprises cement 200-500 parts, mineral admixtures 50-200 parts, fine aggregate 600-800 parts, coarse aggregate 1000-1300 parts, water 120-200 parts, additive 5-15 parts and acid-free weak base low-temperature expandable graphite 15-75 parts. The expansion trigger temperature of the graphite is 90-100 DEG C, and the pH value is 6.0-8.0. The method comprises the following steps: firstly, uniformly mixing and stirring cement, mineral admixtures, fine aggregate, coarse aggregate and acid-free weak base low-temperature expandable graphite to obtain dry mixture B; secondly, mixing water and additive and adding the mixture into the dry mixture B to uniformly stir to obtain a concrete mixture; and thirdly, forming the concrete mixture, carrying out steam curing after final setting, naturally cooling to room temperature and obtaining the shrinkage-compensating concrete. Therefore, the concrete self-shrinkage can be precisely and efficiently compensated in the steam curing process of the concrete.

The invention discloses a built-in concrete distributing device and method for a tubular pile steel mold. The device comprises a material receiving assembly, a material distributing assembly, a stirring assembly and an additive spraying assembly. And a loading vehicle of the material receiving assembly bears the lower template with the built-in reinforcement cage to move. A discharging pipe of the material distribution assembly can axially stretch into the reinforcement cage for center material distribution, and concrete is prevented from being attached to stirrups. The stirring assembly synchronously vibrates and stirs during material distribution through an adjustable stirring rod, and it is ensured that concrete is uniform and compact. The admixture can be added into the admixture spraying assembly according to needs. The using method comprises the steps that the reinforcement cage is positioned, and the discharging pipe extends into the reinforcement cage; carrying out material distribution, synchronous stirring and additive spraying; and closing the mold after completion. The problems that concrete adheres to ribs, distribution is uneven, and performance regulation and control are inconvenient are solved, and the production efficiency and the forming quality of the pipe pile are improved.

The agricultural irrigation device comprises a bottom plate, the front side of the top of the bottom plate is connected with an electric telescopic rod through a bolt, the top of the electric telescopic rod is connected with a connecting frame through a bolt, and the surface of the connecting frame is connected with a conical rotor motor through a bolt. A transmission shaft of the conical rotor motor is connected with a rotating plate through a bolt, and the surface of the rotating plate is rotationally connected with the connecting frame. By adopting the conical rotor motor, the rotating plate, the rotating sleeve, the gear ring, the servo motor, a gear, a rotating plate, a mounting shell, a fixing rod, a sliding block, a water spraying head, a telescopic pipe and an electric push rod, the range of a pipe cover of the water spraying head can be conveniently adjusted, and the area of the pipe cover can be conveniently expanded; irrigation water can be conveniently filtered, and impurities can be effectively prevented from blocking an internal pipeline of the device.

The invention discloses a modular electromechanical pipeline roof crossing protection device and a construction method, the modular electromechanical pipeline roof crossing protection device comprises a fixed base, a concrete structure floor and a roof layer, the fixed base is pre-buried in the concrete structure floor and the roof layer, and a water stop wing ring is arranged on the periphery of the fixed base; the protective outer cylinder is fixedly connected with the fixed base, the protective outer cylinder is provided with an outwards-turned flange edge, a valve is arranged in the middle of the protective outer cylinder, and the valve is connected with the side wall of the protective outer cylinder through a fastening assembly. The fireproof plugging module is arranged on the inner side wall of the fixed base; the outer side of the fixed base is fixedly connected with the heat preservation outer sleeve. The fireproof plugging module capable of being pulled, inserted and replaced is arranged, the excellent fireproof performance is achieved, the module is formed by compounding a ceramic fiber felt, an expanded graphite strip and fireproof glue or is composed of rock wool, fireproof mud and a fireproof bag according to different pipeline types, reliable fireproof plugging is ensured, and the chimney effect in a fire disaster is effectively prevented.

The invention provides a pioneer machine matched with a small excavator, which comprises a shell, a support connected to the shell, a roller shaft rotatably arranged on the support, a plurality of fixing pieces coaxially arranged on the roller shaft, a cutter head structure fixed on the fixing pieces, a plunger motor connected with the roller shaft, a suspension frame fixed at the top end of the shell, and the suspension frame is fixedly connected with the small excavator. The fixing pieces are in the shape of a circular arc, and the end of the fixing pieces is fixed with the cutter head structure. The pioneer machine matched with the small excavator can be matched with the small excavator, can meet the requirements of one person to complete a series of work such as cleaning the farm, arranging the orchard, realizing efficient forestry coverage, and protecting the environment, greatly improves the use scene of the small excavator, improves the efficiency, protects the environment, creates more use possibilities for the customers, and when a fire occurs, can block the spread of the fire source and the living area faster, and create an isolation belt.

The invention relates to the technical field of nut sterilization, and particularly discloses a low-temperature food sterilization device and a nut sterilization method. A treatment cavity and an equipment cavity are formed in the box body; a sealing door is mounted on the inner side wall of the treatment cavity, and an evaporator is arranged in the treatment cavity; a compressor, a condenser and a liquid storage tank are arranged in the treatment cavity; the liquid outlet end of the compressor is connected with the liquid inlet end of the condenser through a first pipeline; the liquid outlet end of the condenser is connected with the liquid inlet end of the liquid storage tank through a second pipeline; the liquid outlet end of the liquid storage tank is connected with the liquid inlet end of the evaporator through a third pipeline; the liquid outlet end of the evaporator is connected with the liquid inlet end of the compressor through a fourth pipeline; the temperature in the processing cavity is reduced through circular flow of a refrigerant in the evaporator, the compressor and the condenser, so that nuts placed in the processing cavity are sterilized at low temperature, and the situation that nutritional ingredients and taste of the nuts are damaged due to the adoption of a high-temperature sterilization mode is avoided.

This utility model discloses an aging test device for wall-mounted products, relating to the field of photovoltaic inverter assembly and production. The aging test device includes: a track, a frame, a support frame, a bottom crossbeam, a top crossbeam, a sleeve, an upper bracket, and a lower bracket. Two bottom crossbeams are symmetrically and detachably mounted on the bottom surface of the frame. Roller assemblies are provided on the surfaces of the two bottom crossbeams near each other. The track is sandwiched between the two roller assemblies. Each roller assembly includes several rollers, with the center lines of the rollers arranged vertically. The lower end of the support frame is mounted on the frame. The sleeve, upper bracket, and lower bracket are arranged sequentially from top to bottom. The top crossbeam is detachably mounted on the upper end of the support frame. The sleeve is rotatably mounted on the top crossbeam. The lower bracket is detachably mounted on the support frame via fasteners. Product hangers are spaced apart on the upper bracket. The upper bracket, sleeve, and lower bracket are connected by a traction rope. This facilitates the assembly and aging test of large photovoltaic inverter products.

This invention belongs to the field of acrylic sheet cleaning technology and discloses an acrylic sheet cleaning mechanism, including a support frame, an acrylic sheet, and several guide rollers equidistantly installed thereon. Side frames are installed on both sides of the support frame, and the mechanism further includes two sets of cleaning mechanisms installed on the side frames, located above and below the acrylic sheet, respectively. The above solution uses a feeding mechanism to push the acrylic sheet into the cleaning mechanism. During its movement, the acrylic sheet is first sprayed with cleaning liquid from a spray nozzle. Simultaneously, a power motor drives a cam to rotate and squeeze the arc-shaped plate, thereby achieving efficient cleaning of the acrylic sheet surface. After the surface of the power motor passes the moving scraper, the fixed scraper further cleans the acrylic sheet surface, further improving the cleaning effect and preventing white scale or spots from remaining on the acrylic sheet surface.

The utility model relates to the related technical field of sickrooms, in particular to a modularized sickroom capable of being flexibly partitioned, which comprises a sickroom main wall body and a combination mechanism, and the combination mechanism is arranged on one side of the surface of the sickroom main wall body. According to the modular ward capable of being flexibly partitioned, normal treatment can be assisted by arranging a combined mechanism and connecting an infusion frame through threads, when treatment is needed, a motor is started firstly, a roller shutter is controlled by the motor and can ascend and descend according to needs, the ward space shielding or partitioning function is achieved, meanwhile, the surface of a reel is sleeved with a torsional spring sleeve, and the reel is fixed to the hospital room. When a treatment space needs to be expanded, the roller blind and the infusion support are pushed, the integrated block is driven to slide in the connecting groove, and then the sliding wheels on the two sides are driven to overcome the motion resistance of the damping spring, so that sliding of the corresponding assembly is completed, and meanwhile after the assembly slides in place, the assembly is driven to rotate. The multiple sets of damping balls make contact with the sliding wheels at the same time, and certain stability is provided.

The utility model relates to the technical field of permanent magnet synchronous motor production, in particular to a rotary clamping device for low-speed large-torque permanent magnet synchronous motor stator winding wire arrangement, which comprises a mounting seat, a motor plate, a motor, a driving gear, a shielding ring, a fixing mechanism and a mounting shaft. The motor is mounted at the bottom of the motor plate, the driving gear is mounted at the output end of the motor, the shielding ring is connected with the top of the mounting seat, the mounting shaft is fixedly arranged on the inner side of the bottom of the mounting seat, and the device supports and tensions the inner side of a motor stator winding wound with a copper wire, so that the effect of effectively and stably fixing the stator winding from the inside is achieved; and through rotation of the motor, slow rotation of the stator winding can be controlled, working areas can be rapidly switched, wire arrangement work is facilitated, gear connection positions are effectively shielded, copper wires are prevented from falling and being extruded and damaged by the gear connection positions, workers are prevented from making contact with meshing positions, and the use safety of equipment is improved.