60results about How to "Convenient for location limitation" patented technology

The invention discloses a computer display screen supporting device capable of adjusting the height and the angle position. The device comprises a base, a connecting sleeve rod, a first rotating shaftand a second bevel gear, a lead screw is arranged in the base, a first connecting gear is connected to the outer wall of the lead screw, a second connecting gear is connected to the right side of thefirst connecting gear in a meshed mode, the bottom of the fixing plate is connected with the base, a supporting rod is arranged at the bottom of the worm, and a worm wheel is connected to the front side of the worm in a meshed mode. According to the invention, the limiting grooves in a handle are distributed at equal angles, and the limiting grooves are in threaded connection with the locking rod, so that after the handle is rotated to a certain angle, the position of the handle is easily limited, the situation that the handle automatically rotates is effectively prevented, the stability of the device after the height of the device is adjusted is guaranteed, and normal use of a computer display screen is also guaranteed.

The invention provides a bus storage-variable connection structure, and relates to the field of power transmission equipment. The bus storage-variable connection structure comprises a box body, wherein a high-current busway, a bus connector and a low-current busway are arranged in the box body, wherein a busbar is fixedly mounted at the end, close to the bus connector, of each of the high-current busway and the low-current busway; the surfaces of the high-current busway and the low-current busway are connected with insulation sleeves in a sleeving manner; the surfaces of the insulation sleeves are in contact with the inner wall of the box body; the surface of the bus connector is fixedly connected with an insulation plate; an electric inner core and two limiting plates are respectively arranged in the bus connector; the two limiting plates are symmetrically arranged about the middle axial line of the bus connector; the surface of the electric inner core is symmetrically connected with two copper sheets in a sleeving manner. The bus storage-variable connection structure is simple and convenient to use and can better fix conversion and connection equipment during use, so that the safety of the busways during use is improved.

The invention discloses rapid carding equipment for a textile fabric in the technical field of textile fabric carding equipment. The rapid carding equipment comprises a tank body, wherein the tank body is of a cavity structure with an upper opening, universal wheels are uniformly mounted at the bottom of the tank body, fixing devices are mounted on the left and right walls of the tank body, an output roll is arranged at the upper part of the fixing device on the outer wall of the left side of the tank body, a wind-up roll is arranged at the upper part of the fixing device on the outer wall ofthe right side of the tank body, and a wind-up motor is connected to the front end of the wind-up roll. According to the rapid carding equipment, the universal wheels are uniformly mounted at the bottom of the tank body, so that carrying by people is facilitated, the time and the labor is saved, and the carrying efficiency is improved; and by arranging the fixing devices, the positions of the textile fabric can be limited, so that the situation of excursion of the fabric in the carding process is reduced, carding of the textile fabric is facilitated, the fabric can be conveniently placed on acarding platform, and the textile fabric can be conveniently carded according to a working path.

The invention discloses an automatic rotor winding device for motor production, and specifically relates to a rack. An objective table is arranged at the bottom of the rack. A hanging plate is mountedin the rack. An electric sliding rail is arranged in the objective table. The top of the sliding block is connected with a rotating motor. One side of the output shaft is connected with a conversionmodule. The end part of the output shaft is sleeved with a lead plate. A transposition device is arranged at the front end of the lead plate. A slide way is longitudinally arranged at the inner top ofthe rack. A lifting rod is arranged at the bottom of the sliding plate. According to the automatic rotor winding device for motor production, through a sliding structure formed by the sliding block and the electric sliding rail, the winding displacement hydraulic rod can drive the winding displacement device and the wire leading plate to slide left and right, the rotor can be conveniently clamped, winding can be conducted on the rotor, the winding displacement hydraulic rod stretches out and draws back to drive the blocking plate and the winding displacement plate to move left and right, copper wires can be evenly distributed on the rotor through sliding of the winding displacement plate, and therefore the copper wires can be regularly distributed on the rotor.

The invention discloses a multi-position accurate adjustment drilling mechanism for steel plate processing. The multi-position accurate adjustment drilling mechanism for steel plate processing comprises drilling devices, three-section electric telescopic rods, a steel plate body and a collection tank. The drilling devices are fixedly mounted on the lower surface of an upper connecting plate. A control lever penetrates through the upper connecting plate in a connection mode. The top ends of the three-section electric telescopic rods are fixedly connected with the lower surface of a top plate. Vertical rods are mounted at the four corners of a base correspondingly. The lower portion of a horizontal plate is slidably connected with a lower connecting plate. The horizontal plate is internallyprovided with first mounting holes. The lower surface of the lower connecting plate is fixedly connected with fixed blocks. The lower surface of each fixed block is connected with a limiting plate. The multi-position accurate adjustment drilling mechanism for steel plate processing can conduct position limiting on a steel plate, can conduct corresponding fixing according to the length and size ofthe steel plate, is wide in application range and high in drilling adjustment precision and facilitates collection and treatment on scraps.

The invention relates to an automatic conveying device. The automatic conveying device comprises an injection molding machine and a collecting box, a mounting frame is arranged on the front side of the injection molding machine, a mounting box is arranged on the left side of the mounting frame, a lifting motor is mounted at the upper end of the mounting box, a lower conveying belt is arranged below the mounting frame, and a lifting conveying belt is arranged at the left end of the mounting frame; and an upper conveying belt is arranged at the upper end of the mounting frame, an empty box is placed on the lower conveying belt, a full box is arranged above the upper conveying belt, a second sensor is mounted at the right end of the mounting box, and a third sensor is mounted at the right end of the mounting frame. Multiple automatic conveying devices are arranged, different use requirements can be met at the same time, automatic control can be achieved, manual control is reduced, the positions of conveyed box bodies can be conveniently limited, box bodies of different sizes can be limited, and scattered materials can be conveniently cleaned.

The invention discloses a textile silk thread winding device capable of conveniently removing surface wool layers. The textile silk thread winding device comprises a base, silk threads and a take-up roller. A fixing frame is welded to the upper portion of the left end of the base. A mounting frame is fixedly mounted on the right side of a fixing disc. The lower portion of a connecting disc is engaged and connected with a gear disc. A fixing cover is arranged at the right end of the mounting frame. The left end of the fixing cover is connected with a connecting cover. The rear end of a first limiting cylinder is connected with the output end of a second motor. The front end of a second limiting cylinder is rotationally connected with a cross rod. The cross rod is connected with the interiorof the upper end of a support plate in a penetrating manner. A limiting plate is welded and connected to the lower surface of the front end of the second limiting cylinder. According to the textile silk thread winding device capable of conveniently removing the surface wool layers, the wool layers on the surfaces of the silk threads can be removed conveniently, the multiple silk threads can be twisted, the application range is wide, the position of the take-up roller is conveniently limited, and the limiting range is wide.

The invention is applicable to the technical field of pipe cutting, and provides a tilt angle adjustable pipe cutting positioning device. The device comprises a workbench and a pipe body, wherein supporting legs are fixedly mounted at the lower end of the workbench, a fixing seat is arranged above the workbench, the outer wall of the fixing seat is provided with a cross rod in a penetrating manner, a limiting clamp is mounted inside the fixing seat, the inner surface of the limiting clamp is connected with a protective pad, the pipe body is located on the inner side of the limiting clamp, thelower end of the limiting clamp is connected with the fixing seat through a limiting shaft, the lower end of the fixing seat is connected with a bottom plate, the lower end of the bottom plate is hinged to the upper end of an electric telescopic rod through a mounting head, the electric telescopic rod is located inside a fixing box, and the fixing box is fixedly mounted on the lower surface of theworkbench. According to the tilt angle adjustable pipe cutting positioning device, a tilt angle of a pipe can be adjusted, cutting of different angles of the pipe is facilitated, and the fixing manner and steps are simple, quick and convenient.

The invention discloses a 5G network insulated cable production and synthesis device and a manufacturing process thereof. The device comprises a base and two positioning mechanisms arranged on the base, a frame plate is fixedly connected to the left side of the top of the base through a connecting plate, a limiting cylinder is fixedly connected to the right side of the top of the frame plate, anda mounting cylinder is rotatably connected to the inner surface of the limiting cylinder. According to the5G network insulated cable production and synthesis device and the manufacturing process thereof are provided,the motor drives the belt pulley set to rotate the mounting cylinder,the winding drum is driven to wind and wrap the surface of the cable group,an extrusion spring and an extrusion plate are used for extruding the winding drum,the winding drum is extruded when rotating, aprotective film wound on the surface of a cable set is elastically tightened, the winding quality is effectivelyguaranteed, labor is saved, the quality is stable, a large number of winding drums are pre-stored through the arrangement of the pre-storage drum, the winding drums are convenient to replace, and thecable machining efficiency is guaranteed.

The invention discloses a novel contact-connection safety socket comprising a socket body, a first groove arranged on the lower portion of the socket body, and a second groove arranged on the upper portion of the socket body; the second groove is in a cone type with a big top and a small bottom; a limit stop block is arranged between the first and second grooves; a movably plate matched with the first groove is arranged below the limit stop block, and provided with a plurality of plug holes; the movable plate is connected with the socket body through a spring; the bottom of the first groove ishorizontally provided with a plurality of metal sheets having a gap; a conduction metal piece is arranged right above the gap, and connected with the movable plate through an insulation rod; the metal sheets in the socket are cut off, and the conduction metal pieces are realize a conduction effect when the plug plugs in, thus providing safe and reliable effects; the novel contact-connection safety socket can prevent children and adults from being shocked by electricity, is simple in structure, and easy to use.

The invention discloses an infusion chair capable of intelligently sensing vital signs of a patient, and relates to the technical field of medical auxiliary equipment. The infusion chair aims at solving the problems that an existing infusion chair does not have equipment for protecting arms, the use comfort is poor, the vital signs of the patient cannot be monitored at any time, and potential safety hazards exist. According to the scheme, the infusion chair comprises a chair body, wherein handles on the two sides of the chair body are fixedly connected with a fixing plate through bolts; a rotating plate is arranged on the fixing plate; a plurality of sensors are arranged on the rotating plate; a motor is fixedly installed below the fixing plate; a large gear is welded to the outer ring ofthe output end of the motor; and a small gear is arranged on one side of the large gear. The infusion chair is simple and novel in structure, the positions of the hands of different patients can be conveniently limited, adjustment is convenient and rapid, the use flexibility and the use comfort of the patient are improved, the vital signs of the patient during infusion are detected, the infusion safety is improved, and the infusion chair is suitable for popularization.

The invention provides an oral irrigator. The oral irrigator comprises a shell body, a water inlet assembly, a water outlet assembly and a pump body assembly, the pump body assembly comprises a valve pump body, a piston and a driving device, the valve pump body comprises a water inlet valve base, a water outlet valve base and a pump body, and a water outlet is formed in the water outlet valve base; a water outlet valve block is arranged on the outer side of the water outlet, the water outlet assembly comprises a water outlet pipe and a water outlet pipe joint, the outer end of the water outlet pipe joint is connected with the water outlet pipe, and the inner end of the water outlet pipe joint is connected with the water outlet valve base; a water outlet valve cavity is formed in the water outlet valve base, the water outlet is formed in the middle of the bottom surface of the water outlet valve cavity, a water outlet valve block supporting rib is arranged around the water outlet and located on the bottom surface of the water outlet valve cavity, and several water outlet valve block guiding ribs are arranged on the periphery of the water outlet valve block supporting rib; the driving device drives the piston to reciprocate in the pump body, and the water outlet valve block reciprocates between the water outlet pipe joint and the water outlet valve block guiding ribs to control opening and closing of the water outlet. According to the oral irrigator, the viscous resistance of water flow to the water outlet valve block is reduced, and the stability of water flow sprayed by the pump body is improved.

The invention discloses a multifunctional solar street lamp. The multifunctional solar street lamp comprises a lamp pole, wherein the lamp pole is provided with a box body; an outer surface of the boxbody is fixedly provided with a square transparent glass cover; an installation space is arranged between the transparent glass cover and the box body; a cover body is arranged on the lamp pole rightabove the box body; a threaded section is arranged on the lamp pole right above the transparent box body; four groups of auxiliary compressing mechanisms acting on an advertisement leaflet are uniformly arranged in an array in the installation space in the circumferential direction of the transparent glass cover; the auxiliary compressing mechanism comprises a pair of support plates fixedly arranged on the side walls of the box body and located at two ends close to an upper part; a support shaft is slidably arranged between the two support plates; two ends of the support shaft are respectively and slidably embedded in the two support plates through a connecting rod; an electromagnet attracting the connecting rod is respectively arranged on two ends in the support plates extending in the longitudinal direction; four groups of auxiliary posting devices acting on the advertisement leaflet are uniformly arranged in an array in the installation space. The effect of posting the advertisement on the solar street lamp is reasonably implemented, and the functionality of the solar street lamp is improved.

The invention discloses a support for a draining pump and a manufacturing method thereof. The support includes a support body, the support body is provided with fixing plates and a positioning plate,the fixing plates are of a U-shaped structure, the lower portion of the positioning plate is provided with a fixing device, the fixing device is installed above the fixing plates, the two sides of thefixing device are provided with connecting plates and adjusting devices, the adjusting devices are installed on the connecting plates, the adjacent adjusting devices are opposite to each other, an installation groove is formed in the positioning plate, a limiting part is arranged at the installation groove, and the limiting part is inserted into the installation groove. The manufacturing method comprises the following steps of 1) installing the fixing device, 2) installing the fixing plates and the connecting plates, 3) installing the adjusting devices, and 4) installing the draining pump. The support for the draining pump solves the problems that the draining pump vibrates in the drainage process, and the vibration process easily causes fatigue of support parts, so that the strength andthe rigidity are reduced, the natural frequency is reduced, and a certain risk is caused to the operation of the draining pump.

The invention relates to the field of anchor rod drawing and in particular relates to an electromagnetic induction drawing instrument. According to the electromagnetic induction drawing instrument provided by the invention, two groups of electromagnetic induction drawing assemblies are arranged at the outer part of an anchor rod; an anchorage device is arranged at a part, located at the outer sides of the two groups of electromagnetic induction drawing assemblies, of the anchor rod and is used for limiting and fixing; corresponding thread through holes are opened and a limiting screw rod is used for fixing, so that the positions of the electromagnetic induction drawing assemblies are conveniently limited; electromagnet assemblies arranged in mounting shell bodies and are electrically connected with a power supply device so that a magnetic force is generated; the electromagnet assemblies are arranged oppositely and the two groups of electromagnetic induction drawing assemblies move oppositely, so that the anchor rod is drawn; an elastic buffering assembly composed of a limiting mounting plate and an elastic force buffering cushion is arranged at one side, close to a concrete building block or the anchorage device, of each mounting shell body and is used for buffering, so that damages to the electromagnetic induction drawing assemblies are avoided and the electromagnetic induction drawing instrument is convenient for people to use.

The invention relates to the technical field of transformers, and discloses an oil-immersed transformer, comprising a transformer body, a spring 1 is fixedly connected to the lower part of the transformer body, and a jacket is fixedly sleeved outside the lower part of the transformer body. The oil-immersed transformer, through the movable wheel of the device, can increase the convenience of rolling through the movable wheel when the device is in use, so that the supporting base of the driving device can be moved, so that it can be conveniently transported, and at the same time, the side supporting feet of the device can be rotated around the movable column , so that the lower part of the side support foot can be driven to move, so that when the lower part of the side support foot is in contact with the ground, the friction force with the ground can be increased, making it easy to be fixed on the ground, and at the same time, the middle part of the side support foot is installed There is a limit nut, and the limit nut is threaded and fixedly socketed inside the transformer body, which facilitates the limitation of the position of the side support feet of the driving device, so as to increase the stability of the device during use.

The invention discloses a macromolecule photovoltaic panel processing device and a using method thereof.The macromolecule photovoltaic panel processing device comprises a bottom plate, non-slip mats are arranged at the corners of the lower surface of the bottom plate, supporting columns are arranged on the two sides of the upper surface of the bottom plate, positioning rods are arranged on the two sides of the upper surface of a bearing frame, and a photovoltaic panel body is arranged between two positioning grooves; a limiting mechanism is arranged in an inner cavity of each positioning rod, pushing mechanisms are arranged on the two sides of the upper surface of the bearing frame, sliding mechanisms are arranged at the bottom ends of the positioning rods, positioning mechanisms are arranged on the two sides of the supporting columns, rotating mechanisms are arranged on the opposite sides of the top ends of the two supporting columns, and illuminating lamps are arranged at the top ends of the supporting columns. The arrangement mode that the positioning rod is matched with the limiting mechanism is utilized, the position of the photovoltaic panel body is conveniently limited, the photovoltaic panel body is conveniently overturned through the rotating mechanism and the positioning mechanism, and machining is convenient.

The invention relates to a tinning mechanism for processing a USB-C interface. The tinning mechanism comprises a rack, a power distribution control box, a first conveying device, a second conveying device and a wire stripping mechanism, wherein the second conveying device comprises a turnover device, the turnover device comprises a second conveying installation seat, a conveying turnover seat is arranged on the second conveying installation seat through a conveying turnover shaft, a second conveying groove is arranged at an upper part of the conveying turnover seat, a turnover gear is arrangedon the conveying turnover shaft, a conveying turnover rack is matched at a lower part of the turnover gear and is connected with a rack movable cylinder, a second feeding device is arranged at the upper part of the rack, and a tinning device matched with an outer end of a turned wiring bar is arranged on the rack. The wire stripping part of the wiring bar of the product on the carrier can be inserted into the tinning device by adopting the reversible second conveying device, the tinning of the wiring bar can be precisely realized, the simultaneous tinning of the wiring bars at different sidesof two products can be realized, and the tinning efficiency is improved.

The invention discloses a high-rise water supply system convenient to assemble and relates to the technical field of water supply systems. The high-rise water supply system comprises a first base, a second base, a first water supply assembly and a second water supply assembly, and the first water supply assembly and the second water supply assembly are located at the top of the first base and thetop of the second base correspondingly. According to the high-rise water supply system convenient to assemble, mounting plates at the bottoms of the first water supply assembly and the second water supply assembly are inserted into mounting grooves in the tops of the first base and the second base correspondingly, at the moment, second movable columns on one sides of limiting blocks enter first movable grooves, first springs are compressed to generate elastic potential energy, the limiting blocks are connected with limiting grooves in the mounting plates in a matched mode under the action of the first springs, limiting connection of the mounting plates in the mounting grooves is completed, finally, the peripheries of the mounting plates are fixed in the mounting grooves through mounting bolts, assembling of the first water supply assembly and the second water supply assembly is completed, the problem that a water supply system is inconvenient to mount is effectively solved, In addition, the labor intensity of operators is greatly reduced, and the mounting efficiency of the water supply system is high.

The invention discloses a burr removing device for safety belt lock catch machining for a military aircraft. The device comprises a support frame, a polishing device, a power device, a conveying device, a working frame and a control panel, wherein the bottom of a top plate of the support frame is fixedly connected with the top of the polishing device, the support frame is arranged on the front side and the rear side of the working frame, and the top of the working frame is fixedly connected with a step plate through a connecting plate. The invention relates to the technical field of safety belt lock catch machining. According to the burr removing device for safety belt lock catch machining for the military aircraft, electrical equipment is controlled through programming, the precision is higher, meanwhile, the device performs polishing in an assembly line mode, automatic machining can be achieved in cooperation with a mechanical arm, the product quality is improved, and the machining efficiency is improved; and the problems that for most of traditional burr removing devices for safety belt lock catches, manual polishing with tools is used, so that the labor amount is large, large-batch machining is not suitable, the efficiency is low, the polishing size precision is low, and the product quality is prone to being reduced are solved.

The invention discloses a smoothie refrigerator which comprises a refrigerating system, a refrigerator inner container and a drawer placed in an inner container inner cavity. A time marking area is arranged above an outer wall of a front panel of the drawer, a prompt clamp is clamped on a top plate body of the front panel and can horizontally slide on the time marking area of the front panel, and a beverage frame is arranged in the drawer and comprises a first bracket, a second bracket and a limiting frame. The first bracket is connected with the second bracket, and the second bracket is connected with the limiting frame. The first bracket and the second bracket are provided with base plate parts, wave-shaped bottle supporting parts and wave-shaped rib plates. The wave-shaped bottle supporting parts are slantly arranged, the bottom ends of the wave-shaped bottle supporting parts are connected with the base plate parts, the tops of the wave-shaped bottle supporting parts are connected with the wave-shaped rib plates protruded upwards, the wave-shaped opening contours of the wave-shaped rib plates are matched with the shape of the wave-shaped bottle supporting parts, and the base plate parts are provided with through holes. The smoothie refrigerator has a food storage starting time prompt function and is suitable for storage of canned beverages.

The invention discloses a multifunctional medical dermatological nursing applicator, and relates to the technical field of medical dermatological nursing, in particular to a main body outer frame and hooks, a heating wire is mounted on the surface of the inner wall of the main body outer frame, a built-in cavity is formed in the middle of the main body outer frame, and a rubber push plate is mounted in the built-in cavity. According to the multifunctional medical dermatological nursing applicator, through the design of a C-shaped auxiliary cover, when a user selects one connecting spring for use, the auxiliary cover can be rotated through the design of a sliding rail, and the connecting spring which does not need to be used is stored and shielded through rotation of the auxiliary cover; and meanwhile, a user can clockwise or anticlockwise rotate a limiting rod in a built-in threaded groove in a fixed plate according to the amount of the applied medicine, so that the extending height of the limiting rod can be adjusted, the position of a top plate is conveniently limited, and the required amount of the applied medicine is conveniently controlled.

The invention belongs to the technical field of medical instruments, and particularly relates to a migraine treatment device for the neurology department. The device comprises a stand column and a treatment device body; the stand column is perpendicular to the ground; a motor body is installed at the top end of the stand column through a motor support; a height adjustment mechanism is installed inthe stand column; a fixed sliding block is slidably connected to the side surface of the stand column; a clamping mechanism is installed in the fixed sliding block, and comprises a fixing mechanism and an adjustment mechanism; a limiting mechanism is installed on the bottom surface of the treatment device body; and the treatment device body is movably connected with the stand column through the clamping mechanism. The height adjustment mechanism is installed in the stand column, so that the treatment device body can be conveniently adjusted according to the height of a user; the clamping mechanism is installed in the fixed sliding block, so that the treatment device body can be conveniently disassembled and fixed, and cervical vertebra aching pain caused by long-term wearing of the treatment device body by the user is prevented; and the position of the treatment device body can be conveniently limited by the limiting mechanism.

The invention provides a high-precision numerical control chuck double-tool-rest lathe, and relates to the field of numerical control chuck double-tool lathes. The high-precision numerical control chuck double-tool-rest lathe comprises a lathe base, wherein an operating table and two sets of sliding rails are fixedly mounted at the top of the lathe base, the operating table is located at the leftsides of the two sets of sliding rails, a machining device is movably connected to the top of each of the two sets of sliding rails, a sliding groove is located at the part, located between the two sets of the sliding rails, of the top of the lathe base, a driving device is fixedly mounted at the bottom end of the inner wall of the sliding groove, a supporting box is arranged at the part, locatedabove the driving device, inside the sliding groove, and a driving seat is arranged at the bottom of the supporting box. According to the high-precision numerical control chuck double-tool-rest lathe,the structure is simple, the operation is convenient, and a machined object fixing device can play a better role in fixing after the positions of machined objects are adjusted well, so that the precision is more precision when the machined objects are machined by the machining devices.

The invention discloses an automobile door trim mounting device and method. The automobile door trim mounting device comprises an operation table, wherein stand columns are arranged on the two sides of the operation table, a plurality of clamping mechanisms are arranged on the stand columns, a supporting mechanism is arranged between the two stand columns, a sliding block is arranged on one side of the operation table, and a plurality of connecting mechanisms are arranged on the upper surface of the sliding block; at least two suction cups and at least two limiting blocks are arranged above the sliding block, each clamping mechanism comprises a screw, a clamping block, a rubber pad and two positioning bolts, the supporting mechanism comprises a positioning block and a gasket, and the connecting mechanism comprises a fixing rod, a positioning tube and a positioning rod. By means of the arrangement mode that the clamping mechanism and the supporting mechanism are matched, the automobile door is kept in the vertical state, paint on the outer wall of the automobile door is prevented from being scraped when the door trim is installed, the position of the door trim is conveniently limited through the sliding block, the connecting mechanism, the suction cup and the limiting block, and the door trim is more convenient to install.

The invention discloses a tilting composite wing unmanned aerial vehicle with battery convenient to replace. The tilting composite wing unmanned aerial vehicle comprises a vehicle body, a mounting mechanism is mounted in the vehicle body, and the mounting mechanism comprises a sealing cover, a sealing ring, a threaded groove, an inner hexagon bolt, an L-shaped plate, a limiting plate, a rubber pad, a storage battery, a cross-shaped frame, a groove, a limiting groove, a positioning block, a fixing frame, a limiting block, a buckle and a fixing bolt; and the sealing cover is installed in the middle of the top of the body. By means of the mounting mechanism, a worker can conveniently dismount and mount the sealing cover, so that the worker can conveniently replace a storage battery in the later period; meanwhile, the worker can conveniently pre-fix the position of the storage battery; therefore, position deviation of the storage battery in the fixing process of the storage battery by workers is avoided, the difficulty of replacing and installing the storage battery by the workers is reduced, and the workers can conveniently limit the position of the buckle of the storage battery and the buckle of the unmanned aerial vehicle after the buckle is buckled.

The invention relates to the technical field of medium-frequency static transformation power supplies, and discloses a combined medium-frequency static transformation power supply convenient to disassemble and assemble, which comprises a power supply assembly, a shell and a bottom plate, wherein the power supply assembly is fixedly mounted on the upper surface of the bottom plate, the shell is of a hollow structure with an opening in the bottom, and strip-shaped slots are symmetrically formed in the edge of the opening; strip-shaped inserting plates matched with the strip-shaped inserting grooves are symmetrically and fixedly connected to the upper surface of the bottom plate, the strip-shaped inserting plates and the strip-shaped inserting grooves are arranged in a clamped mode, limiting mechanisms are installed between the strip-shaped inserting plates and the strip-shaped inserting grooves, and the bottom end of the shell abuts against the upper surface of the bottom plate. The limiting mechanism comprises a rectangular groove formed in the side wall of the strip-shaped inserting groove, a spring is fixedly connected to the groove bottom of the rectangular groove, and a rectangular clamping block in sliding connection with the rectangular groove is fixedly connected to the other end of the spring. According to the invention, the shell of the medium-frequency static variable power supply can be assembled and disassembled conveniently, so that the power supply assembly in the shell can be maintained conveniently as required.

The invention discloses a cylindrical transport frame for transporting steel forms. The cylindrical transport frame comprises discs, supports, an arc-shaped frame and through holes; the arc-shaped frame is of a triangular-prism-like structure with one side face concaved, the supports are fixed to one rectangular face of the arc-shaped frame, the discs are arranged on the supports, and the throughholes are formed in one side of the concave face of the arc-shaped frame. Cylindrical components are fixed through the concave face, a damping and fixing effect can be achieved, more convenience is provided, it is faster to load or unload steel forms, and the positions of the steel forms can be better limited in the steel form transport process; jolting force can be buffered when an automobile jolts, and a better damping effect is achieved.