54results about How to "Avoid damage etc." patented technology

The invention relates to an industrial robot for grinding and polishing a propeller. The industrial robot for grinding and polishing the propeller is characterized by comprising a main robot body, a propeller locating and clamping drive mechanism and a 3D laser coordinate locating device, wherein the propeller locating and clamping drive mechanism comprises a rotary working table which can be used for adjusting the horizontal position, a propeller fixture is arranged on the rotary working table, and a zero point coordinate locating ball is connected with a rotating center of the propeller fixture; the main robot body comprises a rotating part, a lower bearing plate and an upper bearing plate which are capable of lifting and dropping are arranged on the rotating part, and a robot arm and the 3D laser coordinate locating device are mounted on the upper bearing plate; the robot arm comprises a large arm capable of rotating vertically and a small arm which is mounted at the upper end of the large arm and capable of rotating vertically and revolving, a grinding head capable of rotating vertically and revolving is mounted at the end part of the small arm, and an electromagnetic valve and a pressure sensor are arranged at the upper end of the grinding head. According to the industrial robot for grinding and polishing the propeller, processing and locating accuracy can be improved, and precision and consistency of grinding and polishing of the surface of the propeller are remarkably improved.

Embodiments of the invention provide a cooling liquid leak detection device and a battery system. The cooling liquid leak detection device is applied to a battery pack. The battery pack comprises a plurality of battery modules and liquid cooling modules which are arranged together with the battery modules to be used for heating or cooling the battery modules. The liquid cooling modules include cooling liquid leakiness points. The device comprises moisture absorption modules used for absorbing cooling liquid leaked at the cooling liquid leakiness points, moisture detectors used for obtaining humidity of the moisture absorption modules, a processing controller and an alarm unit. The moisture absorption modules wrap the cooling liquid leakiness points, and the moisture detectors are arranged in the moisture absorption modules. The processing controller is connected to the moisture detectors and the alarm unit and is used for receiving the humidity of the moisture absorption modules from the moisture detectors, and the processing controller controls the alarm unit to give an alarm when the humidity of the moisture absorption modules is greater than preset humidity. The device simultaneously detects whether the liquid cooling modules have cooling liquid leakage and gives the alarm during the leakage.

The invention discloses a crusher, which comprises a crusher drive and transmission device, wherein the crusher drive and transmission device comprises a driver, a first flat key, a second flat key, a hydraulic coupler, a hydraulic coupler protective cover, a first spline, a gear coupling and a gearbox, wherein the driver is connected with the hydraulic coupler through the first flat key; the hydraulic coupler is connected with the gearbox through a second flat key; the hydraulic coupler protective cover covers the hydraulic coupler and is connected with the gearbox and the driver respectively; the gear coupling is connected with the gearbox through the first spline; the gearbox is connected with a gearbox suspending bracket; and the gearbox comprises a cover plate on the top, a baffle plate on the bottom, a first oil release hole formed on the side wall of the gearbox, and a second oil release hole formed on the side wall of the gearbox of the crusher. The crusher is hardly deformed, high in safety and low in cost, spare parts of the gearbox are reduced, the using state of the crusher can be monitored in real time, and special casting equipment is not needed.

The invention relates to an optical glass group, in particular to a regulating and controlling system of the optical glass set. The regulating and controlling system of the optical glass set comprises a single chip microcomputer, stepping motors, a coupler, a screw rod, a step-shaped nut, a support, an optical glass and a fixed base, wherein a first stepping motor is fixed on the fixed base, the lower end of the support is fixed on the first stepping motor, an output shaft of the first stepping motor is connected with the bottom end of the screw rod through the coupler, the screw rod is vertically arranged, and a screw rod sleeve is sleeved at the top end of the screw rod and is embedded into a round hole of the top end of the support simultaneously. A threaded hole is formed in an upper step of the step-shaped nut and sleeved between the bottom end of the screw rod and the top end of the screw rod, a lower step of the step-shaped nut is arranged beside the screw rod, a second stepping motor is fixed on the lower step of the step-shaped nut, and the output shaft of the second stepping motor is connected with the optical glass through an optical glass sleeve. The single chip microcomputer is used for controlling the first stepping motor and the second stepping motor. The regulating and the controlling system of the optical glass set enables an operator to be far away from an optical path system so that concentrate regulation and control can be conducted and efficiency and precision of the regulation and control and safety of operation can be improved.

The invention relates to an iOS flashback protection strategy. The strategy includes the following steps of registering an abnormality monitoring signal for continuously capturing App abnormalities, using the abnormality monitoring signal as a global abnormality catcher, acquiring abnormal stack information when the App abnormalities are caught, parsing the abnormal stack information, writing parsed main information into a local resource file, wherein the main information includes at least call timing, stack information and a number of times of generating crash, and continuing to monitor and capture the App abnormalities. The strategy can acquire the APP abnormalities in time through abnormality monitoring, can obtain the detailed abnormal information as much as possible when continuous flashback is found, the method of using a hot patch is used for repairing, the normal operation of App is ensured as much as possible, occurrence of cases such as data corruption and the like is avoided, and the use experience of a user is improved.

Embodiments in the invention provide a leak detection apparatus and a battery module. The leak detection apparatus is applied to the battery module. The battery module comprises a battery cell unit and a fixing assembly used for fixing the battery cell unit. The leak detection apparatus comprises a pressure transducer, a processing controller and an alarming unit, wherein the pressure transducer is arranged between the fixing assembly and the battery cell unit; the processing controller receives and processes an electric signal transmitted by the pressure transducer so as to obtain pressure between the fixing assembly and the battery cell unit; and when the pressure exceeds a preset pressure range, the processing controller controls the alarming unit to sound an alarm. Thus, the leak detection apparatus detects whether the fixing assembly has a liquid leak and realizes alarming when the fixing assembly has the liquid leak.

A pipe orifice butt joint device of a concrete pipeline is used for butt joint of a first pipeline and a second pipeline, the first pipeline is located at the downstream position where fluid flows, and the second pipeline is lifted by a crane in the mode that a spigot faces a bell mouth of the first pipeline and gradually moves to the state that the spigot and the bell mouth are communicated with each other. The device comprises a detection part, the two ends of the detection part are connected to a first axis point and a second axis point respectively, and the first axis point and the second axis point penetrate through the axis of the first pipeline and the axis of the second pipeline respectively. The detection part is configured to generate an elastic potential energy against offset in response to offset of theaxis of the second pipeline in a longitudinal plane relative to the axis of the first pipeline to generate a bending strain force on itself to guide a first axis point and a second axis point in a collinear and coaxial state and / or obtain a pipe orifice longitudinal gap based on a relative position relation of the first axis point and the second axis point on the longitudinal plane.

The invention discloses an air purifier improving the replacement stability of a filter mechanism. The air purifier comprises a shell with a top opening. The shell is internally provided with an air inlet part, a draught fan part and an air outlet part in a communication mode from bottom to top in sequence. An air outlet cover plate is arranged on the top opening of the shell. The sidewall of theshell is further symmetrically provided with two side notches. The side notches communicate with the air inlet part. An air inlet cover plate is arranged on the outer side of each side notch. The airinlet part comprises the filter mechanism arranged at the bottom wall of an inner cavity of the shell. The bottom of the filter mechanism is further provided with a tray used for limiting movement ofthe filter mechanism. The filter mechanism is clamped into the tray. A bottom plate serves as the bottom wall of an inner cavity of the shell. A base is arranged under the shell. The base is of structure with a top opening, and the base and the bottom plate form a containing cavity. The bottom plate is provided with a notch matched with the cross section of the tray. After bearing external force,the tray has the freedom degree of moving vertically and rotating in the notch and containing cavity. The air purifier has the advantages that the filter mechanism is convenient to replace, and a filter element can be effectively protected against damage in the replacement process.

The invention provides a telescopic device and a control method thereof. The telescopic device comprises telescopic columns, the telescopic columns are arranged in multiple stages, the telescopic columns are mutually sleeved, and anti-falling mechanisms are arranged between the telescopic columns; power devices which are arranged in multiple stages, the power devices are arranged in the telescopic columns, and the power devices are suitable for driving the telescopic columns to stretch out or retract step by step; and heavy load locking structures which are arranged at the joints of the telescopic columns of the adjacent stages and used for limiting the telescopic columns of various stages from retracting downwards. Compared with the prior art, the heavy load locking devices are arranged between the telescopic columns, so that every two telescopic columns are mutually locked, the telescopic columns can be directly borne, and the situation that the power devices are damaged due to the fact that the telescopic columns are borne only through the power devices is effectively avoided.

The invention discloses a low-temperature atomization trace showing instrument which is characterized by comprising a box, a control unit, a temperature-humidity sensor, a refrigerating unit, a humidification unit and a power supply module. The temperature-humidity sensor, the refrigerating unit and the humidification unit are arranged in the box, the control unit is respectively connected with the temperature-humidity sensor, the refrigerating unit and the humidification unit, and the power supply module is connected with the control unit, the temperature-humidity sensor, the refrigerating unit and the humidification unit. A working method includes the steps that the refrigerating unit and the humidification unit are controlled by the control unit to carry out refrigerating and humidification, the temperature and the humidity in the box are transmitted to the control unit through the temperature-humidity sensor to enable the interior environment of the box to be a constant-temperature and constant-humidity environment, thin even water mist is formed on the surface of an evidence object placed in the box, and a trace is shown. The low-temperature atomization trace showing instrument and the working method have the advantages that evidence obtaining deviation or evidence object damage and the like caused by improper manual operation in a traditional complex powder collecting mode is avoided, repeated collecting can be carried out on the evidence object, and secondary evidence obtaining is facilitated.

The invention relates to the technical field of underwater robots, in particular to an emergency suspension device. An emergency suspension device for a seabed sonar robot comprises a connecting base, a slow lifting mechanism and a quick lifting mechanism, whereinthe top of the connecting base is provided with a supporting cylinder, a connecting ring and a top cover, a corrugated pipe is connected between the connecting ring and the top cover, and an air bag sleeve is arranged between the connecting ring and the top cover; the slow lifting mechanism comprises a first self-locking motor and a mounting seat, and a first lead screw is connected with a threaded cylinder at the center of the mounting seat; and the quick lifting mechanism comprises a second self-locking motor and a second lead screw, and the second lead screw is connected with the threaded cylinder at the top of the supporting cylinder. The lead screw is arranged between the top cover and the connecting ring for transmission, the corrugated pipe between the top cover and the connecting ring can be freely adjusted according to needs to form the size, and the robot can slowly move upwards conveniently; besides, a gas generator is arranged in the high-pressure area, an electromagnetic valve is arranged on the partition plate, the expansion degree of the air bag sleeve can be freely adjusted according to needs, and therefore the floating speed of the robot is controlled.

The invention discloses a card receiving and sending apparatus. The apparatus comprises a machine frame; the machine frame comprises a base; a mounting table and a recycling box assembly are fixed to the base; the recycling box assembly comprises a fire cost sidaming and a second side coaming; a first box groove plate and a second box groove plate are fixed to the first side coaming and the second side coaming respectively; the first box groove plate and the second box groove plate form a card box mounting groove together with a third box groove plate and a fourth box groove plate; a bottom support plate is arranged at the bottom of the card box mounting groove; an unlocking fork is arranged on one side, close to a card reading-writing machine, in the card box mounting groove; and the unlocking fork is matched with an unlocking groove of a card sending box to open a safety lock assembly of the card sending box. The apparatus is relatively small in size and has the advantage of saving a mounting space. A recycling box adopts a recycling box bottom plate with a tilting surface and three recycling sensors for simultaneous detection; and only when the three recycling sensors are all shielded, the recycling box is regarded to be full, so that the false alarm rate of a full state of the cycling box can be greatly reduced.

The invention relates to the technical field of sorting machine pressure control, and provides a pressure control device. The device comprises a floating plate and a fixing plate which are arranged onthe upper part and the lower part and are connected through an elastic piece. A voice coil motor and a supporting piece fixedly connected with the fixing plate are arranged between the floating plateand the fixing plate. A stator of the voice coil motor is fixedly connected with the fixing plate. A mover is connected with the floating plate in a contact manner. Height of the supporting piece isbetween the maximum stroke and the minimum stroke of the voice coil motor. The floating plate is also fixedly connected with a contact device. The invention also provides a sorting mechanism pressurecontrol rotating system used for a die bonder, the system having the pressure control device. Thus, the device provides pressure through using a pre-stretched elastic piece, and a force in an oppositedirection is provided by using the voice coil motor. Variation of output forces is controlled through controlling current of the voice coil motor, rational total pressure applied on an electrical element is obtained, and the electrical element is prevented from being damaged by pressing.

A dual-box card issuing machine disclosed by the present invention comprises a card issuing box mechanism, a rack, a scraper mechanism and a card reading-writing machine. The rack comprises a front panel, a back panel and a bottom panel, the front panel and the back panel are fixed on the bottom panel, a supporting plate is also fixed between the front panel and the back panel, and a first clapboard, a second clapboard and a third clapboard are arranged above the supporting plate and between the front panel and the back panel. The first clapboard, the second clapboard, the supporting plate, the front panel and the back panel form a card box installing groove jointly, and the second clapboard, the third clapboard, the supporting plate, the front panel and the back panel form the other one card box installing groove jointly. Card box unlocking plates are fixed at the left sides of the second clapboard and the third clapboard, are arranged in the unlocking through grooves to eject the switch boards, so that a card issuing box assembly can issue the cards. Card box fixing blocks are arranged on the side walls of the card box installing grooves, are assembled with the front panel or the back panel via bolts, and are assembled with the card box placement grooves of the card issuing box assembly to install the card issuing box assembly in the card box installing grooves.

The invention discloses an intelligent health management massage healthcare shoe which comprises an upper, a sole and a massage insole. A plurality of cavities for containing and fixing an intelligentintegrated chip are arranged in the sole. The shoe is characterized in that an elastic column playing a role in fixing the intelligent integrated chip and supporting is arranged in each cavity at least, and the massage insole is fixed to the edge of each cavity and the corresponding elastic column. The intelligent integrated chip and intelligent management mobile phone APP are combined, so that intelligent management of life health in the real sense is realized, in other words, reminding and correcting of bad living habits of a user are realized, collecting, monitoring, analyzing and guidingof important health data of a human body are realized, and intelligent management of scientific health preservation is realized.

The invention provides a control circuit, a control method of the control circuit, a control device of the control circuit and an air conditioner. The control circuit includes: a capacitor, which is configured to supply power to a load; a pre-charging circuit, which is configured to charge the capacitor, wherein the first end of the pre-charging circuit is connected with a bus line, and the secondend of the pre-charging circuit is connected with the capacitor; a first switching device, which is connected in series between the first end of the pre-charging circuit and the bus line or between the second end of the pre-charging circuit and the capacitor; and a control device, which is connected with the control end of the first switching device, wherein the control device is configured to control the conduction state of the first switching device according to load demand information, and control the first switching device to be cut off, that is, the pre-charging circuit stops charging the capacitor, when no load demand exists, so that the circuit where the capacitor is located is not electrified, and the power consumption of the control circuit is reduced.

The invention provides a piezoelectric ultrasonic guided wave detection device and method. The piezoelectric ultrasonic guided wave detection device comprises a main control module, a driving circuit module, a monitoring circuit module, a temperature detection module, a strain detection module, at least two piezoelectric sensing elements, at least one temperature sensing element and at least one strain sensing element, wherein the main control module is connected with the at least one first piezoelectric sensing element through the driving circuit module, the at least one second piezoelectric sensing element is connected with the main control module through the monitoring circuit module, the main control module is connected with at least one temperature sensing element through the temperature monitoring module, and the main control module is connected with at least one strain sensing element through the strain monitoring module. According to the invention, the stable control of the transmitted signal is realized, the resonance of the transmitted signal is eliminated, and the noise of the transmitted signal is reduced; timely protection and alarm prompt for short circuit of the piezoelectric sensing element are realized; the crosstalk between the channels is eliminated; and the applicability of the instrument under different working conditions is improved.

The invention discloses a concealed waveband control electric heating towel rack, which relates to the technical field of electric heating towel racks, and comprises a towel rack body and a fixing plate, a heating rod is arranged in one end of the towel rack body, and a temperature controller surface cover is arranged at one end, close to the towel rack body, of the fixing plate; a temperature controller rear cover is arranged on the lower portion of the side, close to the fixing plate, of the temperature controller surface cover, a PCB assembly is installed in the temperature controller rearcover, and a waveband switch penetrating through and extending out of the PCB assembly is arranged on the side, close to the temperature controller surface cover, of the PCB assembly. The band switchis matched with the PCB assembly, so that the temperature of the heating rod is adjusted, an operator can reasonably adjust the heating temperature according to the drying time requirement and the fabric material requirement, and the situation that the fabric is damaged due to the too high temperature is avoided; and through the combination of the fixing plate, the temperature controller surface cover and the temperature controller rear cover, the installation requirement that eight to six boxes or extension lines need to be embedded in a traditional concealed electric heating towel rack is avoided.

The invention provides a start protective device, a method and engineering machinery of a hydraulic system. The start protective system comprises a start switch; a first switch element comprising an actuating unit and a first contact set; a second switch element comprising an actuating unit and a control contact set for controlling the start and stoppage of the hydraulic system, wherein the actuating unit and start switch of the second switch element are connected with the first contact set of the first switch element in series; and a sensor for detecting the on-off of an oil path of the hydraulic system, and controlling the power-on or power-off of the actuating unit of the first switch element. Through the sensor, the first switch element and the second switch element of the start protective device, the on and off state of the oil path of the hydraulic system can be detected before a hydraulic pump is started, so that the hydraulic pump can work only when the oil-path is in an on state; the damage to the hydraulic pump, caused by air suction, is avoided, and the potential safety hazard in starting is eliminated.

The invention relates to an industrial robot for grinding and polishing a propeller. The industrial robot for grinding and polishing the propeller is characterized by comprising a main robot body, a propeller locating and clamping drive mechanism and a 3D laser coordinate locating device, wherein the propeller locating and clamping drive mechanism comprises a rotary working table which can be used for adjusting the horizontal position, a propeller fixture is arranged on the rotary working table, and a zero point coordinate locating ball is connected with a rotating center of the propeller fixture; the main robot body comprises a rotating part, a lower bearing plate and an upper bearing plate which are capable of lifting and dropping are arranged on the rotating part, and a robot arm and the 3D laser coordinate locating device are mounted on the upper bearing plate; the robot arm comprises a large arm capable of rotating vertically and a small arm which is mounted at the upper end of the large arm and capable of rotating vertically and revolving, a grinding head capable of rotating vertically and revolving is mounted at the end part of the small arm, and an electromagnetic valve and a pressure sensor are arranged at the upper end of the grinding head. According to the industrial robot for grinding and polishing the propeller, processing and locating accuracy can be improved, and precision and consistency of grinding and polishing of the surface of the propeller are remarkably improved.

The invention discloses a switch for the internet, which comprises a switch shell. A fixed support is arranged at the bottom end of the switch shell; heat dissipation nets are arranged on the two sides of the switch shell; handles are arranged on the two sides of the switch shell and located above the heat dissipation net; a first network interface and a second network interface are arranged at the front end of the switch shell; and plastic protection plugs are arranged at the positions, located below the first network interface and the second network interface, of the edge of the switch shell. According to the switch for the internet, the rubber protection plug is arranged, the rubber protection plug can protect unused network interfaces and prevent the network interfaces from dust falling or damage, the switch can be firmly fixed on the cabinet through the fixed support, the height of the switch can be adjusted, the switch can be conveniently taken up through the handle, and the switch is convenient to carry and transport.

The invention discloses an automatic wafer loading and unloading system. The system comprises a storage unit integrated on process equipment, a wafer positioning unit, a wafer disc positioning unit and a wafer disc storage unit. A first loading unit is adopted to transmit wafer discs before and after the process between the wafer disc storage unit and the wafer disc positioning unit, and a secondloading unit is adopted to transmit wafers before and after the process among the wafer disc positioning unit, the wafer positioning unit and a storage unit. According to the system, the efficiency ofthe whole production process can be improved, wafer pollution is avoided, the percent of pass of the wafers placed in the wafer disc is improved, and the rejection rate of the wafers is reduced.

The invention belongs to the technical field of lamps, and particularly relates to a stretchable LED (light-emitting diode) lamp which comprises a box, a control mechanism, a fixing mechanism, a lifting mechanism, an anti-slip mechanism, an angle adjusting mechanism, a connecting rod and a light-emitting mechanism. The control mechanism is arranged on one side of the box, the fixing mechanism is arranged on the box and rotatably connected with the box, the lifting mechanism comprises a first sliding rod, a first sliding sleeve and a sliding groove, the anti-slip mechanism is mounted on one side, deviating from the first sliding sleeve, of the sliding groove, the angle adjusting mechanism comprises a connecting sleeve, a fixing block, a first projection, a second sliding rod and a second projection, the connecting rod is rotatably connected with the connecting sleeve through the fixing block and the second sliding rod, and the light-emitting mechanism is fixed to one end, deviating fromthe first sliding rod, of the connecting rod. The stretchable LED lamp is conveniently vertically adjusted, and the angle of the lamp is conveniently adjusted.

The invention discloses a video surveillance control system based on a TV set-top box camera, which includes a camera device, a set-top box device and an intelligent terminal; the camera device includes a camera, a data processing module, a data communication module, a data storage module, and a first temperature detection module , a second temperature detection module, a camera angle detection module, a camera lens detection module, a camera humidity detection module, etc. The present invention can realize the remote video monitoring and control process through the cooperative use of the camera device, the set-top box device and the intelligent terminal; through the real-time monitoring of the temperature of the internal circuit chip of the camera and the coordinated use of temperature adjustment, the temperature of the internal circuit chip of the camera can be controlled at Within the safe threshold range, avoid situations such as failure of video image acquisition or even chip damage due to excessive temperature.

The invention relates to a concrete composition and a regeneration technology and additive thereof. The composition comprises an A component, a B component and a C component; the A component comprisessand and gravel, the B component comprises binding agent, diluent, coal ash, mineral admixture and anti-corrosion admixture, and the C component comprises EVA shrinkage balls, talcum powder and quicklime. The EVA shrinkage balls of the C component are added to the concrete, and EVA is a substance which can generate volume shrinkage when being heated or cooled. According to the technical scheme, the EVA shrinkage balls which are shrunk after being heated are adopted, the EVA shrinkage balls are hollow balls and are mixed into the concrete, when the concrete needs to be disassembled, the concrete road surface is subjected to heat pretreatment, the EVA shrinkage balls which are mixed into the concrete road surface are heated, the volumes of the EVA shrinkage balls are decreased, and accordingly a cavity is formed in the portion which is filled with the EVA shrinkage balls in advance; under the situation, when the concrete is hammered, the cavity is easily damaged due to a thin structure,and the concrete composition helps to hammer concrete into small concrete blocks which are used for regeneration concrete aggregate particles.

The invention discloses a card issuing box of a card receiving and issuing machine. The card issuing box comprises a card issuing box body, a card pressing assembly and a safety lock assembly. The card issuing box body is formed by a first card issuing box plate, a second card issuing box plate, a third card issuing box plate, a fourth card issuing box plate, a fifth card issuing box plate and a sixth card issuing box plate. A card issuing box inner cavity is in the card issuing box body and is equipped with the card pressing assembly and the safety lock assembly. The card issuing box body of the invention has the advantages of a small size and convenience is transportation, the box body is provided with the box plates which can be opened, and large convenience is brought to later overhaul and card placement. According to the card issuing box, a box locking plate is used to clamp the card issuing box, thus the card issuing box can be stably fixed into a card issuing box installation groove. According to the card issuing box of the invention, card turn in transportation or use is prevented through the card pressing assembly, the structure is very simple compared with the prior art, the manufacturing cost can be reduced according to the above design, and the volume of the card issuing box can be effectively reduced.