80results about How to "Avoid accidental damage" patented technology

The invention provides outdoor portable sound equipment, and particularly relates to the technical field of sound equipment, the outdoor portable sound equipment comprises a sound equipment main body, a volume knob is arranged on one side of the top surface of the sound equipment main body, two sounding horns are symmetrically arranged on the surface of one side of the sound equipment main body, and four supporting legs are uniformly and fixedly arranged at the bottom of the sound equipment main body. Through the cooperation of components such as the gear and the gear ring, after the sound equipment main body is used, no matter how many angles a user rotates the volume knob clockwise to increase the volume of the sound equipment main body, after the sound equipment main body is used, the volume knob is driven to rotate anticlockwise through the rotation of the gear ring, so that the volume of the sound equipment main body is increased. Therefore, the sound volume is prevented from being in the maximum state when the sound main body is turned off, and when the sound main body is turned on and used next time, the sound production element in the sound main body is not suddenly in the full-load state, so that the sound production element in the sound main body is protected, and the service life of the sound main body is prolonged.

The utility model relates to photovoltaic panel dust removal equipment, both sides of a photovoltaic panel body are provided with mounting seats, one end of each mounting seat is provided with a motor, the output end of each motor is provided with a screw, and a transmission gear drives a connecting rod and a cleaning roller to rotate, so that the surface of the photovoltaic panel body is cleaned. The surface impurities after long-time use of the photovoltaic panel main body are reduced, a shunting pipe penetrates through a supporting plate and is fixedly provided with a plurality of nozzles at a water outlet, a water conveying pipe is arranged between the water pumping end of a water pump and a collecting box for connection, and cleaned and purified water is conveyed to the nozzles through the water conveying pipe and a water pump system. And the guide wheels slide on the surfaces of the two sides of the photovoltaic panel to guide the dust removal equipment, so that a stable guide effect is provided, and the dust removal equipment is kept stable in the process of being mounted on the photovoltaic panel.

The present invention discloses a continuous type distribution cabinet electric variable measuring device, which relates to the technical field of electric variable of distribution cabinet. By setting an arc-shaped cover plate, it can cooperate with a protective box to completely cover the body of the electric variable test device, so as to avoid accidental damage caused by collision with other objects during transportation or storage, thereby achieving a good protective effect; secondly, when the continuous type distribution cabinet electric variable measuring device is in use, the arc-shaped cover plate can be slid to expose the body of the electric variable test device, so as to facilitate the staff to perform testing operations on it. The arc-shaped cover plate does not need to be removed during use, and the arc-shaped cover plate is still a whole with the protective box, so as to avoid the need to separately store the arc-shaped cover plate during the electric variable testing process, thereby making the detection process faster and more convenient. The dustproof component has a self-cleaning function, and there is no need to separately set up a power device for cleaning the dustproof component, which saves manufacturing costs, and at the same time makes the structure simpler, which is convenient for subsequent inspection and maintenance work.

The present invention provides a laptop computer, comprising a screen assembly and a host assembly, wherein the screen assembly is rotatably connected to the host assembly via a screen shaft; further comprising a bottom support, wherein the bottom support is arranged at the bottom of the host assembly; the bottom support is provided with a connecting mechanism at one end close to the screen shaft, wherein one end of the connecting mechanism is connected to the bottom support, and the other end of the connecting mechanism is connected to the screen assembly; under the action of an external force, when the screen assembly switches from a closed state to an open state, the screen assembly drives the connecting mechanism to move, so that the bottom support moves from close to the bottom of the host assembly to a direction away from the bottom of the host assembly. The laptop computer overcomes the defects in the prior art that a laptop base needs to be carried to increase ventilation of the laptop computer, and the laptop base needs to be adjusted and set separately.

The utility model discloses a video line joint protection device, which belongs to the technical field of protection devices, and comprises a first fixing pipe, a first thread, a limiting pipe and a limiting assembly, and the first thread is arranged on the surface of the first fixing pipe. A first fixing pipe, a second fixing pipe, a limiting pipe, a limiting assembly and a suction cup are arranged, the device is fixed to video equipment through the suction cup, a video line is inserted into the first fixing pipe and the second fixing pipe, the limiting pipe is rotated, the limiting pipe is made to move under the cooperation of a first thread and a second thread, and a ball is extruded through a limiting groove; a plurality of groups of first limiting slide rods are driven to move in opposite directions, and a video line is clamped and fixed under the cooperation of a soft cushion, so that a protection and fixation device is added, the problem that the video line is easy to fall off due to collision or pulling is solved, accidental damage to a plug metal guide rod is avoided, and the service life of the plug is prolonged. And normal use of the video line is prevented from being influenced.

The invention provides mobile welding equipment, which comprises a box body, a first welding assembly, a second welding assembly, a first welding assembly, a second welding assembly, a first welding assembly, a second welding assembly and a second welding assembly, and is characterized in that the box body is movably arranged, and a first mounting area and a second mounting area are arranged in the box body; the first opening and closing component is arranged on the box body, the first opening and closing component is arranged opposite to the first mounting area, and the first opening and closing component is arranged in an opening and closing mode relative to the box body so as to open or close the first mounting area; and the second opening and closing component is arranged on the box body, the second opening and closing component is arranged opposite to the second mounting area, and the second opening and closing component is arranged in an opening and closing mode relative to the box body so as to open or close the second mounting area. And the service life of the device is shortened.

This utility model discloses a dual-mode ultrasonic therapy device, including a housing. A therapy device is fixedly installed on the bottom inner side of the housing. A first support plate is fixedly installed on one side of the therapy device. A pair of treatment heads are positioned above the first support plate. A set of ventilation plates are symmetrically installed on the outer side of the housing. Ventilation slots are formed on both sides of the housing. A semi-circular plate is fixedly installed in the middle of the outer front end of the housing, with a circular groove below the semi-circular plate. The installation of the ventilation slots and ventilation plates ensures both air permeability and dust prevention, improving the overall safety of the device. The installation of the semi-circular plate and circular groove ensures both effective closure and stability when the device is closed, preventing it from easily falling off and further enhancing the user experience.

The utility model relates to the technical field of medical instruments, in particular to a disposable abdominal cavity puncture bag which comprises an outer bag, a tray, a puncture assembly and a collecting assembly, and the collecting assembly comprises a partition plate, a limiting piece, a containing frame, a clamping plate, a storage bag and a liquid collecting box. The puncture assembly is taken out of the partition plate, meanwhile, the clamping plate slides, the storage bag is conveniently placed in the containing frame, at the moment, the clamping plate slides again, the clamping plate slides into the containing frame, the position of the storage bag is fixed, and medical staff can conveniently place used medical waste in the storage bag; liquid collected during puncture can be placed in the liquid collecting box, and the whole puncture bag can be directly placed at a medical waste recycling position after a puncture operation on a patient is completed, so that the problems that when the puncture bag is used for treating the patient, the used medical waste cannot be treated, a medical table top is messy, and the medical waste is wasted are solved. And cleaning is inconvenient.

The invention discloses a fixing device for a concrete slab explosion test, which comprises a fixing seat, and the fixing seat comprises a first supporting unit and a second supporting unit which are detachably arranged; first clamping assemblies are arranged at the top ends of the first supporting unit and the second supporting unit; the fixing base is further provided with a monitoring unit and a blasting assembly fixing unit. The free end of the blasting assembly fixing unit can be close to or away from the fixing base, the second clamping unit comprises a first clamping assembly and a second clamping assembly which are detachable, and the second clamping assembly can move in the vertical direction of the first clamping assembly; the device can effectively simulate the real clamping and stress conditions of the two ends of a concrete slab in a building under the action of an explosion load, greatly improves the accuracy of an anti-explosion performance loading test of the concrete slab with the two ends clamped and supported, meets the test of different to-be-tested assemblies at the same time, and improves the test efficiency. The test efficiency is improved and the cost is reduced.

The embodiment of the utility model provides a recreational vehicle rear expansion device, and relates to the technical field of recreational vehicles. The recreational vehicle rear expansion device comprises a fixing frame, a hanging frame assembly is arranged at the front end of the fixing frame, the hanging frame assembly is slidably assembled on the surface of the fixing frame, the hanging frame assembly comprises a vertical frame, the bottom of the vertical frame is fixedly connected with a transverse frame through bolts, and outer sliding grooves are symmetrically formed in the left end and the right end of the surface of the fixing frame. Spare tire mounting stability is improved through the spare tire carrier, and practicability is improved. Moreover, a two-wheeled vehicle fixing component is further arranged on one side of the spare wheel carrier, the two-wheeled vehicle fixing component can be used for loading two-wheeled vehicles such as a battery car, and the practicability of the hanger assembly is improved; and the storage box and the tool box are mounted on the two sides of the spare wheel carrier, so that the spare wheels in the spare wheel carrier can be prevented from being accidentally damaged by the loaded objects on the storage box and the tool box, the safety performance is ensured, and the classified storage function is achieved.

The utility model discloses a full-automatic four-edge linear fine grinding machine for glass, belongs to the technical field of glass processing, and aims to solve the problem of low glass edge grinding efficiency in the prior art. The device comprises a wide-edge grinding conveying platform and a long-edge grinding conveying platform, a carrying mechanism is arranged between the terminal end of the wide-edge grinding conveying platform and the starting end of the long-edge grinding conveying platform, and accurate grinding mechanisms are arranged on the two sides of the wide-edge grinding conveying platform and the two sides of the long-edge grinding conveying platform. Limiting mechanisms are arranged at the positions, close to the accurate grinding mechanism, above the wide edge grinding conveying platform and the long edge grinding conveying platform and comprise connecting frames, lifting air cylinders are installed on the lower surfaces of the connecting frames, the telescopic ends of the lifting air cylinders are connected with connecting plates, and a plurality of vertical connecting strips are arranged on the lower surfaces of the connecting plates in the length direction of the connecting plates. The lower surface of the vertical connecting strip is connected with a shell, and a plurality of pressing wheel assemblies are installed in the shell in the length direction of the shell. The utility model is suitable for the full-automatic glass four-edge linear refiner.

The utility model relates to a box body, a battery pack and an energy storage system, the box body comprises a body, a maintenance cover and a mounting bracket, and the body is provided with a mounting cavity for accommodating a battery module and a maintenance port communicated with the mounting cavity. The maintenance cover is detachably connected with the body and covers the maintenance opening. The installation support is connected to the side, close to the installation cavity, of the maintenance cover and used for installing the battery management module. According to the box body, the mounting and fixing structure of the battery management module is simplified, the material cost is reduced, and the maintenance convenience of the battery management module is improved.

The utility model belongs to the technical field of maintenance platforms, and particularly discloses a portable photovoltaic maintenance platform which comprises a moving table, a storage cylinder is movably installed on the moving table, trundles are fixedly installed at the bottom of the moving table, a pull rod is arranged at the top of the moving table, a hinge is arranged on the moving table, and the storage cylinder is movably installed on the moving table. And a protection plate is fixedly installed on the outer surface of the hinge, a magnetic sheet is arranged on the inner side of the protection plate, the inner side of the storage barrel is slidably connected with an overhaul stand through a lifting mechanism, and a folding and unfolding mechanism is arranged in the storage barrel. According to the portable photovoltaic maintenance platform, the four groups of extension frames which are uniformly and partially arranged on the maintenance platform can extend outwards at the same time through the folding and unfolding mechanism, so that the area of the maintenance platform is expanded, more photovoltaic components or components with larger sizes can be processed at the same time, and the photovoltaic components are kept stable in the whole maintenance process; and accidental damage caused by movement or shaking is avoided.

The utility model discloses a portable ceramic tea set which comprises a suitcase body and a tea set containing assembly used for containing the tea set, the suitcase body is a box body with the top open, and a box cover capable of being turned over to be opened and closed is installed at the top of the suitcase body through a hinge; the tea set storage assembly is placed on the inner upper portion of the suitcase body in a vertical sliding fit mode, and the four corners of the bottom face of the tea set storage assembly are fixedly connected with the inner bottom face of the suitcase body. The suitcase has the beneficial effects that the tea set accommodating assembly for accommodating the tea set is arranged in the suitcase body, and then the tea set is placed in the kettle body accommodating groove, the kettle cover accommodating groove and the cup accommodating groove in a manner of being tightly attached to the kettle body accommodating groove, the kettle cover accommodating groove and the cup accommodating groove respectively; the tea set can be smoothly carried by lifting the suitcase body only by closing the suitcase cover, so that the tea set is properly and conveniently carried, and meanwhile, the tea set is prevented from being accidentally damaged due to vibration and collision in the carrying process.

The utility model discloses a high -place garbage picks up equipment relates to the technical field of landscaping cleaning, including picking up the rod, the one end of picking up the rod is provided with the handle, and the other end of picking up the rod is provided with the symmetric picking up the clamp, and picking up the rod and handle are provided with the collection clamp power component in, and the telescopic folding component is provided on picking up the clamp, and the telescopic folding component includes the storage rack fixed on the storage rack on picking up the clamp, and the threaded rod is rotatably installed on the storage rack, and the threaded tube is screw -threaded installed on the threaded rod, and the handle is fixedly connected with the knife handle on the one end away from the threaded rod of threaded tube, and the one end away from the threaded tube of threaded rod is fixed with the adjusting knob, and the utility model discloses the setting of telescopic folding component can make the straight -line movement of blade and carry, when meeting the food packaging bag, the abandoned kite, the mouth mask and so on high -place garbage of hanging on the forest, can stretch out the blade, and the blade synchronous movement with picking up the clamp carries out the shearing to the garbage winding part, and the garbage is separated and taken down from the forest, reduces the damage to the forest.

The utility model discloses a wire rod multi-pass distributor with a safety structure, which relates to the field of multi-pass distributors and comprises a distributor body, a negative connector and two positive connectors are arranged in the distributor body, a groove is arranged on the surface of the distributor body, the inside of the groove is communicated with the positions of the positive connectors, and the negative connector is connected with the two positive connectors. A groove is formed in the distributor body, a plug-in type fuse assembly is plugged in the groove, a packaging sleeve is fixedly installed on the surface of the distributor body, and the plug-in type fuse assembly is installed in the packaging sleeve. According to the wire rod multi-pass distributor with the safety structure, the protection sleeve, the packaging sleeve and the insertion piece type fuse assembly are arranged, when the wire rod multi-pass distributor is used, the insertion piece type fuse assembly is inserted into the groove, through the safety structure of the distributor body, the wire rod multi-pass distributor is more convenient to use, and meanwhile the protection sleeve is connected to the surface of the packaging sleeve in a sleeved mode. The protection sleeve is fixed on the surface of the packaging sleeve through friction force, and the protection sleeve protects the plug-in type fuse assembly, prevents the plug-in type fuse assembly from being damaged accidentally, and prevents the plug-in type fuse assembly from falling off to a certain extent.

The utility model relates to the technical field of communication, in particular to a directional antenna with anti-interference capability, which comprises a base, the upper end of the base is provided with eight mounting holes in a penetrating manner, the eight mounting holes are annularly distributed at equal angles, the upper end of the base is fixedly connected with a supporting column, and the outer surface of the supporting column is fixedly connected with a plurality of mounting plates. Four first connecting holes are formed in the upper ends of the mounting plates in a penetrating mode, the four first connecting holes in the same horizontal plane are annularly distributed at equal angles, antenna assembling assemblies are fixedly installed at the opposite ends of every two adjacent mounting plates, inserting grooves are formed in the upper ends of the supporting columns, and protection assemblies are fixedly installed in the inserting grooves. According to the directional antenna with the anti-interference capability, the antenna assembling assembly is arranged, so that the purposes of rapidly and stably installing the antenna and reducing tedious operation of operators are achieved; through the arrangement of the protection assembly, the purposes of improving the anti-interference capability of the antenna and preventing the antenna from being accidentally damaged are achieved.

The utility model relates to the technical field of medical auxiliary instruments, in particular to an auxiliary breathing device which comprises a box body, a main machine, a respirator and a stabilizing assembly, and the stabilizing assembly comprises a plurality of rotating frames, a telescopic rod, a suction cup, a fixing rod, a frame, a screw rod, a connecting sleeve and a clamping plate. During use, the screw is rotated rightwards, the clamping plate is pushed to move and is matched with the frame to clamp the table top, at the moment, the rotating frame is rotated, the telescopic rod is unfolded from the position close to the bottom of the box body to the position perpendicular to the box body, the extension lengths of the output ends of different telescopic rods are adjusted according to the flat state of the table top, and the suction cup can make contact with the table top and be stably sucked to the table top. And the box body is also stably placed, so that the problems that the box body of an existing breathing assisting training device needs to be placed on a table top, but some table tops are not flat or uneven, so that the box body is not stably placed, and normal use of the breathing assisting training device is influenced are solved.

The present invention discloses a data encryption system based on a storage-computing integrated architecture, and relates to the field of data encryption. The data encryption system based on the storage-computing integrated architecture includes: a data receiving subsystem, a storage subsystem, an encryption subsystem, and an output subsystem; the data receiving subsystem is used to receive data to be encrypted and perform preprocessing; the storage subsystem is used to pre-store static parameters in the encryption algorithm, specifically a rotation factor array and a modulus; the encryption subsystem is used to call the static parameters in the encryption algorithm pre-stored in the storage subsystem to perform number theory transformation encryption processing on the pre-processed data to be encrypted. The present invention uses the storage-computing integrated architecture adopted by the encryption subsystem to perform the polynomial multiplication calculation with the largest overhead in the cryptographic algorithm at high speed and low power consumption, and combines number theory transformation and modular reduction operations at the same time, thereby solving the speed and power consumption bottleneck problems caused by data handling in the traditional cryptographic hardware architecture.

The utility model relates to a hoisting machinery field, proposed single -beam electric hoist anti -falling safety protection special device, including single -beam, the bottom of single -beam is provided with the welding seat, the top of single -beam is provided with safety protection device, safety protection device includes the car driving wheel, the side of car driving wheel is located in the side of single -beam, the side of single -beam is provided with the car driven wheel, the bottom of single -beam is provided with the suspension axle, the side of single -beam is provided with electric hoist, the top of single -beam is provided with the frame, the side of frame is fixedly connected U shape sling, one end of U shape sling is provided with the protection rope, the end away from U shape sling of protection rope is located in the side of electric hoist, the side of frame is fixedly connected with the shell, through above -mentioned technical scheme, solved the problem that single -beam electric hoist anti -falling safety protection special device in related art cannot prevent electric hoist falling.

The invention belongs to the technical field of semiconductor manufacturing, relates to a contact hole and a forming method thereof, and aims to solve the problems of over-etching of a gate contact hole, side wall loss of a shared contact hole and'eating through 'of the bottom of a gate in the prior art. The method comprises the following steps: firstly, forming a metal gate and a side wall on substrate silicon, and etching to regulate and control the height of the metal gate, so that the height difference between the metal gate and the side wall is equal to the thickness of a second contact etching stop layer; sequentially depositing the stop layer and a second interlayer dielectric layer, and completely retaining the stop layer after polishing; depositing a contact hole lamination layer and etching, and taking the stop layer as a stop interface; and finally, etching the stop layer to accurately form two types of contact holes. According to the process, through the closed-loop design of height difference presetting, stop layer deposition and step-by-step etching, over-etching is completely eradicated, meanwhile, the side wall loss of the shared contact hole is reduced, the bottom is prevented from being broken through, and the performance and reliability of the device are guaranteed.

The utility model discloses a steel processing transfer device with stable performance, which comprises a transport vehicle platform and wheels arranged at four corners of the bottom of the transport vehicle platform, two moving grooves are transversely arranged on the transport vehicle platform, clamping plates are respectively arranged on the left side and the right side of each moving groove, and bottom plates are arranged at the bottoms of the clamping plates. A plurality of reinforcing ribs are arranged between the clamping plate and the bottom plate, fixed rods are arranged between the reinforcing ribs, pulleys are arranged on the fixed rods on the two sides of the clamping plate respectively, a threaded sleeve is arranged at one end of each fixed rod, a threaded rod is arranged in the middle of each threaded sleeve, a motor is arranged at one end of each threaded rod, and the motor is powered by a control box. And side sliding grooves are formed in the inner walls of the two sides of the interior of the moving groove correspondingly, a sliding platform is arranged in the moving groove, and the device is beneficial for improving the working efficiency of steel transportation, guaranteeing the safety of workers and meanwhile reducing the risk in the transportation process.

The utility model provides a multi-station magnetic material laser cutting machine relates to laser cutting machine field, including cutting machine body, processing frame and horizontal adjustment structure, cutting machine body top outer side is provided with processing frame, cutting machine body top is provided with fixed mount, fixed mount top is provided with horizontal adjustment structure, cutting machine body top is provided with cutting machine body top outer side is provided with processing frame, cutting machine body top is provided with cutting machine body top outer side is provided with horizontal adjustment structure, cutting machine body top outer side is provided with cutting machine body top outer side is provided with horizontal adjustment structure. Two sets of infrared detectors are arranged on the inner side of the machining frame, the periphery of a machining area can be detected through the infrared detectors, when foreign matter or external personnel get close to the machining area, the infrared detectors can transmit signals to the control device, and the control device controls equipment to stop running. The device can prevent external personnel or foreign matters from accidentally damaging the device and prevent the external personnel from touching a processing area to cause potential safety hazards, so that the possibility of accidental injury is reduced, and the personnel and the device in the processing area are protected.

The present invention discloses a retractable loose winding reel for testing optical cables, comprising a fixed side plate and a central cylinder composed of a plurality of central cylinder plates, one end of the central cylinder plate is axially connected to the first fixed side plate, and the first and second fixed side plates are fixedly connected to the central axis; a positioning plate and a support plate are sleeved on the central axis, the central cylinder plate passes through the positioning plate, and the support plate is fixedly sleeved on the central axis with an adjustable axial position; a plurality of support rods are matched between the support plate and the central cylinder plate, the inner end of the support rod is axially connected to the support plate, and the outer end is matched with the central cylinder plate; the smooth limit pin of the support rod is smoothly limited in the limit guide groove of the positioning plate, and a tension spring is arranged on the inner side of the central cylinder plate, and the other end of the tension spring is hinged to the central axis. The reel structure of the present invention is ingenious and reasonable, and does not need to go through the traditional complicated disassembly and assembly process. It only needs to be assembled, and after adjusting the width of the take-up reel, the position of the support plate can be adjusted to realize the reel contraction to make the optical cable in a loose winding state, which is very time-saving and labor-saving.

The present invention relates to a hinge lid comprising a lid body and an upper lid connected to each other by a hinge. The lid body comprises a top panel portion and a side wall depending from a peripheral edge of the top panel portion. The top panel portion comprises a predetermined opening defined by a weakened portion and a pouring spout formed to surround the predetermined opening. The upper lid comprises a top panel and a skirt portion depending from a peripheral edge of the top panel. One side of the predetermined opening of the lid body relative to the hinge is formed with a protrusion extending in an axial direction of the lid such that an end of the protrusion is fixed to an inner surface of the top panel of the upper lid in a closed state. Accordingly, the hinge lid allows a reliable formation of a pouring opening by a first opening operation with a smaller force approximately at the same level as required for a hinge lid with a pull ring.

The utility model provides a kind of side trimming equipment for wood fence net piece processing, it is related to wood fence processing equipment field, the side trimming equipment for wood fence net piece processing, including base, the top of base is provided with collecting groove, the inner chamber of collecting groove is movably connected with collection bin, the outside of base is fixedly connected with two mounting brackets, and the inside between two mounting brackets is fixedly connected with moving guide rail, the inside of moving guide rail is movably connected with mounting plate, the bottom of mounting plate is fixedly connected with hydraulic cylinder, the inside between two mounting brackets is fixedly connected with processing platform, and the top of processing platform is provided with waste falling groove, the side trimming equipment for wood fence net piece processing can be before wood fence net piece enters processing link, quickly and accurately fixed in preset processing position, can timely push the waste such as wood chip, leftover material etc. produced in processing process to collection area.