36results about How to "The device is easy to operate" patented technology

A ground fault circuit interrupter device having a single actuator for sequentially activating a circuit interrupting portion when the device is in a reset condition and a reset portion when the device is in a tripped condition. The circuit interrupting portion breaks a conductive path between a line terminal and load terminal upon the occurrence of a predetermined condition thereby placing the device in the tripped condition and the reset portion reestablishes the conductive path between the line terminal and the load terminal thereby placing the device in the reset condition.

The invention discloses a precise measurement method for the density of an antimagnetic material. The precise measurement method comprises: (1) determining a medium solution according to a sample material; (2) placing the sample in the medium solution; (3) placing the medium solution in an electromagnetic levitation detection device, ie., placing between two square magnets, wherein the same magnetic poles of the two square magnets are oppositely placed, the sizes of the two square magnets are 50 mm*50 mm*25 mm, and the distance between the two square magnets is 60 mm; (4) measuring the floating height of the measured sample; and (5) calculating the sample density. Compared to the method in the prior art, the method of the present invention has the following advantages that the operation of the required device is simple, the cost is low, the measurement result is easy to observe, the measurement precision is high, and the automation is easily achieved.

The invention relates to a punching device which is simple and convenient to operate, low punching waste drop rate and low in production cost. The punching device comprises a convex die, a concave die and a discharging plate, wherein an air channel is formed in the side surface of the discharging plate; a vent groove is formed in a punching cutting edge of the convex die; high-pressure of the air channel flows into the vent groove of the punching cutting edge of the convex die and is guided by the vent groove to be discharged by a through hole of the concave die during operation of punching; when the high-pressure air is discharged, the punched waste is pushed to drop smoothly. The punching device is high in waste drop rate, simple and convenient to operate and low in production cost.

The invention discloses a device for producing methyl formate by gas phase methanol carbonylation, which is characterized in that the device comprises a nitrogen gas pipeline, a carbon monoxide gas pipeline, a hydrogen gas pipeline, a nitric oxide gas pipeline, an oxygen gas pipeline, a methanol storage tank (1), a fluid pump (2), an esterification column (3), a first rectifying column (4), a waste water storage tank (5), a first condenser (6), a gas mixing box (7), a reactor (8), a heating furnace (9), a catalyst (10), a needle valve (11), an on-line gas chromatography system (12), a gas-liquid separator (13), a second rectifying column (14), a second condenser (15), a methyl formate storage tank (16), an air release valve (17), and a circulating pump (18). The device adopts a fixed bed reactor, is easy to separate the catalyst from the product, and is simple in operation; the reactor is a normal pressure reactor; and the money investment is less.

The invention discloses a movable navigating net cage device capable of protecting the marine environment, which comprises an upper float, pin mechanisms, shifting navigating propeller mechanisms, a deep-sea base, net cage floating guide piles, anchor chains and anchors. In terms of connection, the upper end of each net cage floating guide pile is connected with the upper float through one pin mechanism, and the lower end of each net cage floating guide pile is fixed to the deep-sea base. By means of the movable navigating net cage device, the problem that current marine environmental pollution by net cages is solved effectively, a net cage can be regularly and flexibly shifted to cultivation, pollution of culture waters is avoided, and disease outbreak, disease spread or large-scale sudden death of culture objects is avoided. The movable navigating net cage device is simple in operation, safe and reliable. The culture net cage can be regularly and flexibly moved to keep fine environment of the culture waters and promote sustainable development of aquaculture, and the movable navigating net cage device has high industrial popularization and application value.

The invention provides a device and a method for detecting the quality of concrete in a cast-in-place pile reamed hole based on concrete hydration heat. The device comprises: a rod piece assembly, a guide sleeve and a serial temperature sensor. The rod piece assembly at least comprises a guide rod, an upper arm rod, a lower arm rod and an end rod which are arranged in the guide sleeve and sequentially hinged up and down. At least two pairs of guide wheels are arranged on a rod body of the guide rod. The guide wheel is in rolling contact with the inner wall of the guide sleeve. The guide sleeveis provided with a cavity for accommodating the rod piece assembly. A rectangular opening allowing the upper arm rod and the lower arm rod to bend outwards and extend out is formed in the side wall of the middle of the guide sleeve. The bottom of the guide sleeve is fixedly connected with the bottom of the end rod, the serial temperature sensor comprises a cable and a plurality of temperature sensors, the cable and the rod piece are integrated and arranged in the guide sleeve in parallel, the temperature sensors are fixed to the outer sides of the upper arm rod and the lower arm rod, and thecable is externally connected with an external detection device. The problems of concrete hydration heat temperature test and concrete quality detection in the cast-in-place pile reamed hole are solved.

The invention provides surgery equipment with a one-hand operated safety device and an operation method thereof; the surgery equipment comprises a performer, an intermediate connector and a controller connected in sequence; the performer comprises a stapling cartridge assembly, a staple anvil assembly and a driving assembly; the controller comprises a percussion trigger mechanism and a percussion safety mechanism. A stapler can be operated by one hand so as to open the percussion safety mechanism while ensuring operation safety, thus reducing operation process risks, and shortening operation time.

The invention relates to a method for testing the performance of a self-repairing material for well cementation. The method comprises the following steps: respectively weighing the weight of a sieve tube and a self-repairing material sample; putting the self-repairing material sample into the sieve tube, suspending and fixing the sieve tube in a kettle body; controlling the pressure in the kettle body to be 0.1-10 MPa and the temperature to be 0-200 DEG C, filling stimulated gas or liquid into the kettle body, so that the self-repairing material sample reacts with the stimulated gas or the liquid; after the completion of reaction, weighing the weight of the sieve tube and the self-repairing material sample and calculating the expansion rate of the self-repairing material sample. The method has the benefits that the expansion effect of the self-repairing material meeting with oil and gas can be evaluated under the situation of oil and gas immersion, the operation is simple and convenient, and the test is accurate.

The invention relates to a grinding device, in particular to a high-reliability grinding device. The invention aims to provide a high-reliability floor tile grinding device with high grinding efficiency. In order to solve the technical problem, the high-reliability grinding device comprises a bearing block, a second motor, a first rotating shaft, a small belt wheel, a first placing plate, a flat belt, a large belt wheel, a second rotating shaft, a second placing plate, a second grinding block and the like; and the bearing block is arranged on the left side of the second motor, a bearing in thebearing block is connected to the first rotating shaft in an interference connection mode, and the first rotating shaft is connected to the small belt wheel and the first placing plate in a flat keyconnection mode. The grinding device has the effects of being high in grinding efficiency, simple in device operation and simple in device structure.

A device is proposed for assembling chain components to a chain, wherein at least two chain components include radioactive radiation sources. The device includes a housing, a working channel which extends along a first axis of the housing, a loading unit connected to the working channel and having at least two receiving devices for chain component magazines, wherein at least one receiving device is configured to receive a radiation source magazine, as well as at least one means for ejecting the chain components received from the magazines, and an joining unit for joining chain components. The at least two receiving devices are positioned so that the magazines for chain components received therein are spaced along the first axis and positioned vertically above the working channel.

A device for generating limit torque with a function of yielding a torque change in real time includes a spring, a rotating portion having a cam surface formed therein, a transmitting portion transmitting an elastic force of the spring to the cam surface, a fixed portion with respect to which the relative rotation of the rotating portion is generated, and a limit-torque control portion provided to the fixed portion so as to control limit torque of the rotating portion by adjusting the elastic force of the spring. In the device, the limit-torque control portion controls the limit torque of the spring by changing the elastic force of the spring in real time.

A device (1) for producing a three-dimensional object (2) through layer-wise solidifying of build-up material (13) at positions (43) corresponding to a cross-section of the object (2) to be produced in a respective layer comprises a coating device (12-14) for applying a layer of the build-up material (13) on a working plane (10), a solidifying device (20) for the selective solidifying of the build-up material (13) in the applied layer and a gas suction nozzle (34) for extracting gas from the device (1) by suction. The gas suction device (34) is thereby movably arranged and the device (1) is designed to control or to regulate a movement and / or orientation of the gas suction nozzle (34) as a function of a number of reference positions (51, 53, 55a, 55b, 55c, 55d).

The invention discloses an anti-overturn moving and real-time locking device for an ocean platform cantilever beam. The anti-overturn moving and real-time locking device for the ocean platform cantilever beam is formed by an ocean drilling unit, a cantilever moving beam, a pushing oil cylinder, a front base, a rear base, a fixing hinge pin and a deck. Main connection modes of the parts include that one end of the pushing oil cylinder is mounted on the deck through the front base, and the other end of the pushing oil cylinder is connected with a pushing block through the fixing hinge pin. By the coordinative effect of a real-time locking mechanism and a positioning mechanism, it is guaranteed that a pin is in an insertion reliable protection state constantly during alternation of plugging and unplugging of pins, and heavy economic losses of lives and properties caused by marine high-risk operations performed under the work condition without protection in the single direction during moving of the cantilever beam are prevented. The device is easy to operate, safe and reliable and capable of being used for moving protection of ocean platform drill floors and improvement of the safe protection technology of land moving devices of different sizes and has quite high industrialization popularization and application value.

The present invention relates to an emulsion-producing hydraulic circuit. The hydraulic circuit includes a by-pass loop comprising a first end and a second end, where the first end of the by-pass loop and the second end of the by-pass loop are connected to a supply line of the hydraulic circuit before and after a pump. The asynchronous by-pass loop also includes a control valve, and the by-pass loop transfers a portion of an emulsion and / or any separated liquid that has accumulated in the hydraulic circuit to the supply line to be re-emulsified. Also disclosed is a method for re-emulsifying a separated liquid present in a hydraulic circuit.

The invention relates to the technical field of aluminum pipe machining, and discloses an easy-to-operate auxiliary device for non-ferrous metal aluminum pipe machining. The easy-to-operate auxiliarydevice comprises a base. The interior of the base is fixedly connected with a motor. The left side of a motor output shaft is fixedly connected with a rotating rod. The left side of the rotating rod and the right side of the rotating rod are rotatably connected with bearings correspondingly. According to the easy-to-operate auxiliary device for non-ferrous metal aluminum pipe machining, an aluminum pipe is placed on an arc-shaped groove II in an aluminum placing plate, and then the motor rotates to drive the rotating rod to rotate, the rotating rod rotates to drive a rotating wheel I to rotate, the rotating wheel I rotates to drive a connecting belt to rotate, the connecting belt rotates to drive a rotating wheel II to rotate, the rotating wheel II rotates to drive a threaded rod to rotate, the threaded rod rotates to drive a nut to move leftwards, the nut moves leftwards to drive a lever to move leftwards, the lever moves leftwards to push an aluminum pipe clamping plate to move leftwards, and therefore the purpose of fixing the aluminum pipe is achieved. Meanwhile, the device is simple and convenient to operate, and the production efficiency is increased.

The invention discloses an apparatus and method for recycling ethyl acetate in waste liquid by using a super-gravity bed combining a membrane separation technology. The recycling apparatus comprises a raw material tank, wherein a feeding pump is arranged below the raw material tank, the raw material tank is provided with a first guide pipe, the raw material tank is fixedly connected with the feeding pump by virtue of the first guide pipe, one side surface of the feeding pump is provided with a second guide pipe, one side of the feeding pump is provided with a stripping section, the feeding pump is fixedly connected with the stripping section by virtue of the second guide pipe, the lower surface of the stripping section is provided with a third guide pipe, the stripping section is fixedly connected with a re-boiler by virtue of the third guide pipe, the re-boiler is arranged below the stripping section, the upper surface of the re-boiler is provided with a fourth guide pipe, and the re-boiler is fixedly connected with the stripping section by virtue of the fourth guide pipe. The apparatus has the beneficial effects that the separation efficiency is higher, the dehydration effect is better, the occupied space is smaller, water obtained by virtue of membrane separation is recyclable, and green and environmental friendliness can be realized.

The invention discloses a wire oxidation film grinding device. The wire oxidation film grinding device comprises a frame body and a wire, the left side and the right side of the frame body are open, bottom plates are fixedly connected to the positions, close to the bottoms, of the two sides of the frame body correspondingly, a discharging roller and a winding roller are arranged at the tops of thetwo bottom plates correspondingly, and fixing plates are arranged on the front side and the rear side of the discharging roller and the front side and the rear side of the winding roller correspondingly; the fixing plates are fixedly connected to the tops of the bottom plates, rotating rods are arranged in inner cavities of the discharging roller and the winding roller in a penetrating mode, thetwo ends of each rotating rod are inserted into the adjacent fixing plates correspondingly, a motor is fixedly connected to the rear side of the fixing plate located on the rear side of the winding roller, and the rear ends of the rotating rods penetrate through the adjacent fixing plates and are fixedly connected with the power output end of the motor; and two supporting frames are arranged in aninner cavity of the frame body, and the two supporting frames are arranged on the left side and the right side. The wire rod oxidation film grinding device has the characteristics of being easy to operate, avoiding environment pollution and the like.

The invention provides a large-capacity gas cylinder torque testing device. The large-capacity gas cylinder torque testing device comprises a fixed baffle, a torque tester, a tooling, a supporting device, a chuck, a hydraulic retractable device and a rotating device, wherein the tooling comprises a first tooling and a second tooling. A gas cylinder connected with the tooling and the torque tester is placed on the supporting device, then the chuck is installed on the first tooling and then is connected with the hydraulic retractable device, the rotating device connected with the hydraulic retractable device drives a torque sensor of the torque tester to rotate, the torque sensor is fixedly arranged on the fixed baffle, then the chuck end of the hydraulic retractable device is separated from the chuck, thus the torque value produced by rotation due to bending and non-roundness of the gas cylinder can be tested through the torque tester, whether the torque value of the gas cylinder satisfies the standard or not can be detected and the accidents possibly caused by overlarge torque of the gas cylinder can be effectively avoided. Moreover, the device is simple to operate, can realize quick detection and can meet the market demand.

The invention discloses a method and a device for detecting pore uniformity of a tuning network. The method comprises the following steps: acquiring a tuning network image; selecting a plurality of regions in the tuning network image, respectively calculating porosity of each region and comparing all the obtained porosity; if the porosity values are not the same, determining that the tuning network pores are not uniform; and if the porosity values are the same, determining the tuning network pores have uniformity. The method for detecting pore uniformity of the tuning network provided by the technical scheme of the invention has simple operations and quick and accurate detection results.

The invention relates to a rotary type continuous feed fixed bed reactor, which belongs to the technical field of a catalytic fixed bed reactor, and comprises four reaction kettles, four trays, a rotary disc and a moveable sealing joint, air inlet pipes and air outlet pipes connected respectively with air inlets and air outlets of the reaction kettles, and a power transmission mechanism. The four reaction kettles are symmetrically fixed on the rotary disc through the four trays respectively. The air inlet and the air outlet of each reaction kettle are connected with corresponding air inlet pipe and air outlet pipe at stations I-IV respectively through the moveable sealing joint. A motor output shaft is connected with a rotary disc shaft. The air inlet pipe of the reaction kettle is in butt joint with the air inlet of the reaction kettle in station I and sleeved with a heat exchange sleeve. The air inlet of the heat exchange sleeve is connected with the air outlet of the reaction kettle at a replacement station III and the air outlet is communicated with atmosphere. The rotary type continuous feed fixed bed reactor maintains stable production and large throughput of the fixed bed reactor and overcomes the deficiency that current fixed bed reactor fails to produce continuously, thereby realizing efficient, energy-saving, continuous, stable and large-scale production.

The invention discloses a connecting device for grafting landscape ginkgo trees. The connecting device comprises a stock cover plate, a scion protection tube, a stock sleeve and a tightening ring, wherein a through hole is formed in the stock cover plate, the scion protection tube is connected to the position of the through hole of the stock cover plate, the stock sleeve is made of a soft material, one end of the stock sleeve is connected with the edge of the cover plate, the other end of the stock sleeve is open, and the tightening ring is arranged on the outer portion of the stock sleeve and used for tightening the stock sleeve. The connecting device can connect and fix scions to the end part of the stock during grafting of the ginkgo trees, is convenient to operate, has low requirement on proficiency, can be repeatedly used, omits film bundling operation, reduces the cost and is beneficial to environmental protection; and the grafting part can be sealed and wrapped, the moisturizing effect is good, the scions can be protected through the protection tube, the scions are prevented from being broken, meanwhile, the position of the protection tube can be adjusted according to the positions of the scions, protection of the scions at different positions is met, and the wrapping sealing performance cannot be affected.

The invention relates to a device (1) for adjusting a rotatable milling spindle (2) of an edge milling machine (3) along a longitudinal axis (x) of the milling spindle (2). The device comprises an adjustment element (6) which acts on the milling spindle in the direction of the longitudinal axis (x) in order to adjust the milling spindle (2); an actuation element (5), which is connected to the adjustment element (6) in such a way that rotation of the actuation element (5) causes translation of the adjustment element (6) in the direction of the longitudinal axis (x); a housing (4), with respectto which the actuation element (5) is rotatably mounted and to which the adjustment element (6) is at least indirectly connected in a rotationally fixed manner; a blocking apparatus (9), by means of which the actuation element (5) is fixed to the housing (4) in such a way that the actuation element cannot translate in the direction of the longitudinal axis (x); a fixing apparatus (12), by means ofwhich the rotatability of the actuation element (5) can at least be limited.

The invention discloses a clamp for compressor end cover machining and a using method of the clamp. The clamp comprises a first supporting leg, a dust collection cover is fixed to the first supporting leg, a second supporting leg is fixed to the dust collection cover, a rotating column is arranged at the top end of the inner side of the second supporting leg, a limiting clamping groove is formed in the outer side wall of the rotating column, a mounting block is fixed to one side wall of the second supporting leg, a spring is arranged on the inner side of the mounting block, a limiting sliding block is arranged at the top end of the spring, and a limiting block is fixed to one side of the limiting sliding block. An adjusting screw, a supporting block, a second clamping block, a connecting sliding block, the rotating column and the limiting block are arranged, the situation that only one end cover can be clamped, and consequently the machining efficiency is low is avoided, the device can clamp two end covers at the same time, and the machining efficiency is improved; in the machining process, the orientation of a first clamping block is convenient to adjust; and the dust collection cover and an exhaust opening are arranged, so that the situation that the clamp cannot be well externally connected with a dust suction pipe, and consequently machining chippings drift away at will is avoided.

The invention relates to a device used for testing explosive grain shear force, and belongs to the field of explosive grain performance detection. The device is a novel testing method and a detectionmeans, which are designed by aiming at the explosive grain, and can test the shear force and the shear force threshold value of the explosive grain. The testing device can test the shear force and theshear force threshold value of the explosive grain under certain pre-pressure or pre-tension, a set temperature and set shear speed, in addition, all data of the explosive grain in a sheared processcan be detected in real time, and a shear force deformation curve is automatically drawn. By use of the device, two modes, including the pre-pressure and the pre-tension, can be provided, and different conditions of the sheared working condition of the explosive grain are simulated. In a design process, the device fully considers the factor of experiment operation safety, and the safety of experiment personnel can be effectively protected.

The invention discloses a cleaning device for rust-proof treatment of electromechanical equipment accessories, and particularly relates to the technical field of cleaning equipment. The cleaning device comprises a device cabinet body, wherein a device side cabinet is fixedly arranged on one side of the device cabinet body, a cleaning water tank is fixedly arranged at the bottom of the device cabinet body, a recycling water tank is fixedly arranged at the bottom of the device side cabinet, and a flushing box body is fixedly arranged at the top of the device cabinet body; and a lifting guide rodis fixedly arranged between one side of the flushing box body and the top of the cleaning water tank, and the surface of the lifting guide rod is sleeved with a lifting block. According to the device, the electromechanical equipment accessories are immersed in the cleaning water tank to be soaked and cleaned and then are subsequently flushed through flushing nozzles on a flushing pipe frame, andmeanwhile, a first winding wheel and a second winding wheel circularly wind and unwind a winding guide pipe, management of the winding guide pipe is facilitated, the cleaning effect is improved, cleaning liquid residues are avoided, the cleaning effect is improved, and subsequent rust-proof treatment is facilitated.

The invention discloses a disassembly-free back-blowing purification device for a diesel particulate trap. The device comprises T-shaped port valves, an air blowing device and a particulate collecting device. The air blowing device is formed by an air compressor and an air storage bottle. The inlet end and the outlet end of the particulate trap are connected with the two T-shaped port valves respectively, and the particulate trap is provided with a differential pressure transducer and a temperature sensor. The particulate collecting device is connected with the outlet end of a T-shaped port through a flange and comprises a safety valve and a quick dismounting device. Through cooperative use of the air blowing device and a controller, the disassembly-free back-blowing purification device for the diesel particulate trap can discharge ash and particulate matters in the diesel particulate trap from a tail gas inlet end on the premise that a carrier of the diesel particulate trap is not disassembled, back-blowing purification of the carrier of the diesel particulate trap is achieved, the ash and particulate matter cleaning efficiency of the diesel particulate trap is greatly improved, and the use cost of a diesel engine is reduced.

The invention provides an oil injector adjustable adaptive device based on a constant-volume bomb, and belongs to the technical field of optical visualization testing of constant-volume bombs. The problem of adaptation between the oil sprayers of various sizes and constant volume bomb equipment is solved. The device comprises a fuel injector adjustable upper adapter, a fuel injector adjustable lower adapter, a centering clamping sliding block, a detachable adjusting knob column and a half-moon plate, the detachable adjusting knob column rotates to drive the fuel injector adjustable upper adapter to rotate, and therefore the centering clamping sliding block is driven to move in a centering clamping sliding block sliding rail towards the fuel injector. The fuel injector can be centered and clamped, the half-moon plate is arranged above the adjustable upper adapter of the fuel injector, the half-moon plate is used for positioning the fuel injector, and the half-moon plate is fixed to the constant volume bomb. The device is suitable for oil sprayers of various sizes, an adaptive device does not need to be customized for one oil sprayer, the blank in the prior art is filled, the test cost is saved, and the device is easy to operate and convenient to disassemble.

The invention discloses a carbon dot fading probe method for high-sensitivity determination of hydrogen sulfide or sulfur ions and a matched automatic separation pretreatment device, relates to rapid pretreatment and automatic determination of H2S content in natural gas desulfurization rich liquor and barren liquor and soluble sulfide content in various wastewater samples, and belongs to the field of desulfurization process rapid control and environmental monitoring. The device can also be combined with various flow-type detectors for rapid, accurate and automatic determination of the content of various sulfides; the device is high in automation degree, good in reproducibility, nontoxic in carbon dot reagent and beneficial to environmental protection; and according to the device, interference of other substances is eliminated while the desulfurization liquid and the hydrogen sulfide are automatically separated, carrier gas, an oxidizing agent and the like are not needed in the process, and the aim of simplifying pretreatment of the H2S sample is achieved. The desorption temperature of the desulfurization liquid is 40-100 DEG C, the sample volume is 0.5-3 mL, the carbon dot concentration is 80-120 mg / L, the wavelength of the fading reaction is 610 nm, the pH value of the reaction system is 8, and the reaction temperature is room temperature.

The invention relates to a grinding device, in particular to a decoration plate grinding system with a dust suction system. The invention aims to provide a high-reliability floor tile grinding devicewith high grinding efficiency. In order to solve the technical problem, the decoration plate grinding system with the dust absorption system comprises a bearing seat, a second motor, a first rotatingshaft, a small belt wheel, a first placing plate, a flat belt, a large belt wheel, a second rotating shaft, a second placing plate, a second grinding block and the like; and the bearing seat is located on the left side of the second motor, a bearing in the bearing seat is connected with the first rotating shaft in an interference connection mode, and the first rotating shaft is connected with thesmall belt wheel and the first containing plate in a flat key connection mode. The system has the effects of being high in grinding efficiency, simple in device operation and simple in device structure.