386 results about "Management science" patented technology

A transformer installation structure with anti-seismic function, comprising a base, a sleeve is fixedly connected to the middle of the upper side of the base, a first magnetic pole is fixedly connected to the inner top of the sleeve, and a first spring is fixedly connected to the upper side of the first magnetic pole. The upper end of the first spring is fixedly connected with the second magnetic pole, the upper side of the second magnetic pole is fixedly connected with the guide rod, the top of the guide rod is fixedly connected with the support column, and the top of the support column is fixedly connected with the transformer; the lower side wall of the support column There are two first hinges arranged symmetrically, and two horizontally arranged mounting columns are symmetrically and fixedly connected to the upper side of the base. The mounting column is provided with a groove opening toward the middle of the base, and a second spring is fixedly connected in the groove. The other end of the spring is fixedly connected with a moving column, and the outer end of the moving column is provided with a second hinge. The invention has the advantages of reasonable structural design and good anti-seismic effect, and has certain popularization value in the field of electric power.

The embodiment of the invention discloses a restoration method and restoration system of a display base plate, the display base plate and a display panel. The method comprises the steps of after it is detected that open circuit or short circuit occurs at a signal line of the display base plate, forming a restoration line at the open position where the open circuit occurs or the open position formed when the short circuit signal line is restored; at least forming a protection layer on the restoration line. According to the restoration method of the display base plate, after the restoration line is formed at the open position of the signal line, further, the protection layer needs to be formed to protect the restoration line, the influence on the restoration line by technologies of washing, coating and the like of a rear section is eliminated, the restoration line is prevented from shedding to cause failure of restoration, and accordingly the restoration effect and product quality are improved.

The invention discloses a projector supporting frame for teaching, and belongs to the field of educational appliances. The projector supporting frame for the teaching comprises a bottom supporting disc, wherein a supporting circular pipe is fixedly welded to the middle part of the upper end of the bottom supporting disc; a receiving box is fixedly connected to the upper end of the supporting circular pipe; an adjusting threaded rod is inserted in an upper circular hole; the lower end of the adjusting threaded rod penetrates through a lower circular hole; a U-shaped mounting plate is fixedly welded to the upper end of the adjusting threaded rod; L-shaped clamping plates are correspondingly and movably arranged on the two sides of the upper end of a transverse plate of the U-shaped mountingplate; a projector body is clamped between the two L-shaped clamping plates; and a movable reverse cover is hinged to one side of the upper end of the receiving box. According to the projector supporting frame, the projector is convenient to fix and disassemble, the height and the angle of the projector can be adjusted, at the same time, the projector can be received, and very good dust-proof andprotective effects on the projector can be realized.

The invention discloses a multi-mode English teaching device for English teaching. A base is included, and the bottom four corners of the base are each rotationally provided with a rolling wheel; a supporting base is fixedly installed on the top of the base, and a teaching plate is arranged above the supporting base; a top rod is installed on the top of the teaching plate, and a projector is installed on one side of the bottom of the top rod; the top of the base is provided with a rectangular groove, and the inner walls of the two sides of the rectangular groove are each rotationally providedwith a screw; the sides, close to each other, of the two screws are welded; the two screws are symmetrically arranged; the screws are sleeved with a movable base in a threaded manner, and the movablebase is installed on the bottom inner wall of the rectangular groove in a sliding manner; and a motor is fixedly installed on the top of the base. The multi-mode English teaching device for English teaching is easy and convenient to operate, the height of the teaching plate and the projector can be conveniently adjusted according to the actual requirement, meanwhile, buffering is facilitated whilethe height of the teaching plate and the projector is adjusted, many students can conveniently watch the teaching plate, and use by a teacher for teaching is facilitated.

The invention discloses an express item cabinet bringing convenience to cargo taking and putting, and belongs to the field of logistics. The express item cabinet comprises a cabinet body, a cabinet door and a door lock. The front end of the cabinet body is opened, and the cabinet door is hinged to the front end of the cabinet door through hinges; the express item cabinet also comprises a bearing plate, the bearing plate is slidingly connected with the inner wall of the cabinet body through sliding rails, and the sliding direction of the bearing plate is parallel to the front-and-back directionof the cabinet body; a connecting rod is hinged onto the inner wall of the cabinet door, and the other end of the connecting rod is hinged to the bearing plate. The express item cabinet bringing convenience to cargo taking and putting is simple in structure, reasonable in design, and cargoes can be conveniently taken and put.

The invention discloses a teaching object shooting device, belonging to the field of teaching devices. The teaching object shooting device comprises a base, a controller, a base plate, a supporting rod, an illuminating lamp, a vertical movement platform, a first motor, a horizontal platform, a connecting rod, a second motor, a camera, a rocking rod, a control button, a display screen and a projector, wherein the base plate is arranged on the base; the supporting rod is installed on the base; the illuminating lamp is installed on the supporting rod; the vertical movement platform is installed on the supporting rod; the first motor is installed on the vertical movement platform; the horizontal platform is installed on the vertical movement platform; the connecting rod and the second motor are installed on the horizontal platform; the camera is installed at one end of the connecting rod; the first motor, the second motor and the camera are respectively connected with the controller through a wire; the control button, the display screen and the projector are installed on the controller; and the controller is connected with the projector through a wire. The invention has the beneficial effects that students can see the details of a displayed object clearly, the teaching quality is improved, the teaching object shooting device is easy to use and the like.

The invention discloses a wall-mounted switch cabinet, and the switch cabinet comprises a cabinet body. The cabinet body is rotatingly provided with a cabinet door in a hinged manner. Two sides of thecabinet body are respectively provided with hanging rods which are vertically arranged. Two sides of the cabinet body are respectively provided with two casing pipes in a welding mode, and the cabinet body is slidingly installed on the hanging rods through the casing pipes. The tops of the two hanging rods are fixedly provided with installation blocks, and the bottoms of the two hanging rods arefixedly provided with one supporting plate. The bottom of the cabinet body is fixedly connected with a lifting seat. The switch cabinet provided by the invention can achieve a lifting function. When the switch cabinet needs to be opened, a person can enable the cabinet body to move downwards, thereby bringing convenience to the person for opening the cabinet body, and avoiding a falling risk whenthe person climbs to a high place for operation in the prior art. Moreover, the installation position of the cabinet body at a high place is determined and fixed through a positioning tube and a positioning groove, and the cabinet body is installed stably and firmly, thereby meeting the application demands of the people.

The invention relates to an intelligent certificate storage cabinet. The storage cabinet comprises a cabinet body, supporting legs are arranged on the lower side of the cabinet body, a vertical rod isarranged on the upper side of the cabinet body, a camera is arranged on the upper side of the vertical rod, and frame bodies are uniformly arranged in the cabinet body; a display screen is arranged on the upper side of each frame body, and a storage box is arranged in each frame body. Each storage box comprises a bottom plate, a rear plate, a cover plate and a front plate, wherein an electric push rod is arranged on the upper side of the bottom plate; a supporting plate is fixedly connected with the lower portion of the rear plate, rollers are arranged on the upper side of the supporting plate, a sliding plate is arranged on the upper sides of the rollers, and the sliding plate is fixedly connected with the lower portion of the front plate; a reader is arranged on the upper middle portionof the rear plate, and a certificate is arranged on the upper side of the sliding plate; a clamping part is arranged on the upper middle portion of the certificate, an electronic tag is arranged on the clamping part, and the camera and the reader are connected to a processor. The processor is connected with a display screen controller, a memory, a touch screen, an identity identification device,a driver and a voice prompter. The storage cabinet has the advantages of being reasonable in structure, convenient to use and high in intelligent degree.

The invention discloses a portable exhibition showcase which comprises a base, a showcase body and an operation box. An installation hole is fixed in the surface of the base. A rotating shaft is fixedly installed at the upper end of the base through the installation hole. A rotating groove is installed on the surface of the rotating shaft. The outer side of the rotating shaft is connected with the showcase body through the rotating groove in a sliding mode. A baffle is fixedly installed at the top end of the rotating shaft. A storage box and a storage battery are fixedly installed on the two sides of the rotating shaft and fixedly installed on the upper surface of the base. The operation box is fixedly installed above the right end of the base and fixedly installed on the base through a supporting column. A display screen is installed in the operation box. A voice player is fixedly installed at the lower end of the display screen. A control panel is fixed to the right side of the voice player. The portable exhibition showcase has the advantages of being reasonable in design, novel in structure, convenient to use and good in exhibition effect, products can be exhibited to people in all directions, and propaganda requirements of merchants are met.

The invention discloses a home computer main cabinet with ventilation and dust removing function, comprises a cabinet body, a cabinet body, a screw rod, a gear, a fan and a moving wheel, wherein the cabinet body is provided with a cabinet body, two sleeve rings are fixedly connected under the right side wall of the cabinet body, and the sleeve rings are internally threadably connected with lead screws, wherein the upper and lower parts of the screw rod are respectively rotatably connected with the upper and lower parts of the cabinet body, the upper part of the screw rod passes through the upper wall of the cabinet body, and the upper end of the screw rod is fixedly connected with the runner; A rack plate is fixedly connected to the outside of the left side wall of the box body, the rack plate meshes with a gear, the gear rotates to connect with the upper inner wall of the cabinet body, and a fan is arranged below the gear, the lower end of the fan is fixedly connected with a bracket,and the bracket bolt is fixedly connected with the bottom of the cabinet body; The upper and lower parts of the fan are respectively provided with an inlet pipe and an outlet pipe, wherein the inlet pipe passes through the side wall of the cabinet body and communicates with the outside, and the outlet pipe is connected with the bottom of the cabinet body.

The invention discloses a hardware sell stand which comprises a base. A supporting post is fixedly connected to the middle of the upper surface of the base; the outer surface of the supporting post is provided with thread; screw rings distributed at equal intervals are connected with the thread on the outer surface of the supporting post; supporting plates symmetrical with each other are fixedly connected to the outer surface of each screw ring; a storage box is fixedly connected to the top of each supporting plate; the bottom of one side of each supporting plate is provided with a through hole; an expansion assembly is arranged between each two through holes; a first fixing block is arranged above the base and is fixedly connected to the outer surface of the supporting post. The screw rings rotate to drive the storage boxes to rotate so as to change height of the storage boxes, goods at height can be taken and stored conveniently, goods in the storage boxes can be shown to customers to facilitate purchase on selection, and the practical value of the whole hardware sell stand is increased.

The invention relates to a circulation moisture-proof switchgear which comprises a cabinet body, a cabinet door, a circulation pipe, a dehumidification room, a fan and desiccant storage mechanisms. Both sides of the cabinet body are rotatably connected with the cabinet door. The desiccant storage mechanisms are arranged on both sides in the cabinet door. The dehumidification room is fixedly arranged at the top of the cabinet body. One side of the top of the cabinet body is fixedly connected with the circulation pipe. One end of the circulation pipe is fixedly connected with the dehumidification room. An air purifier is fixedly arranged on one side in the dehumidification room. An evaporator is arranged on one side of the air purifier. A water collecting box is fixedly arranged at the bottom of the evaporator. According to the circulation moisture-proof switchgear, a fan drives air in the cabinet body to come into the dehumidification room through the circulation pipe, and come into the cabinet body again through the dehumidification room for circulation dehumidification; and the desiccant storage mechanisms facilitate the storage of desiccants, and facilitate sealed storage and replacement of the desiccants.

The invention discloses a middle school chemistry teaching instrument cleaning device. The device comprises a baseplate; the top of the baseplate is fixedly connected with a mounting frame; the top of the mounting frame is fixedly connected with a protective cover; the top of the inner wall of the protective cover is rotationally connected with a rotating shaft through a bearing; the bottom end of the rotating shaft penetrates through the mounting frame, and extends into the mounting frame; a first bevel gear sleeves the outer surface, positioned in the protective cover, of the rotating shaft; and a motor is fixedly connected into the protective cover at the top of the mounting frame through a connecting block. The device relates to the technical field of teaching instrument cleaning equipment. The middle school chemistry teaching instrument cleaning device greatly improves the cleaning effect, improves the cleaning efficiency, has no need of a lot of time to clean cup-shaped and drum-shaped experimental instruments, preferably relieves the experimental burdens of experimenters, realizes quick and convenient cleaning of the cup-shaped and drum-shaped experimental instruments, and is more convenient for the experimenters to use the experimental instruments.

The invention discloses a display cabinet for selling iron phosphate products. The display cabinet comprises a display cabinet body, wherein the top of the display cabinet body is movably connected with a glass cover; a motor is fixedly connected with the bottom of the inner wall of the display cabinet body; the output end of the motor is fixedly connected with a rotating shaft; the top of the rotating shaft penetrates through the top of the display cabinet body and extends to an inner cavity of the glass cover; and the top of the rotating shaft is fixedly connected with a box body. Through the arrangement and the mutual matching of the box body, a lithium battery, a clamp groove, a through groove, a slide groove, a carrying block, a movable base, a threaded rod, a turntable, a handle, a screw block, a slide block, a telescopic rod, a spring, a moving post and a clamp block, the advantage of good clamping effect is achieved, so that during the display of the iron phosphate products, the iron phosphate products cannot easily fall off; the iron phosphate products are enabled not to generate a damage phenomenon; the usability of the display cabinet for selling iron phosphate products is improved; and the display cabinet is suitable to be popularized and used.

The invention belongs to the technical field of computers, in particular to a teaching table with an adjustable height based on a computer technology. For the problems that the teaching table cannot store a computer and the storage effect is not good, the following scheme is provided that the teaching table comprises a bottom plate, wherein the four corners of the outer wall of the bottom of the bottom plate are provided with moving wheels respectively through bolts, the middle of the outer wall of the top of the bottom plate is provided with a storage box through bolts, protection cylinders arranged vertically are welded to the four corners of the outer wall of the top of the bottom plate respectively, and the inner walls of the bottoms of the protection cylinders are provided with hydraulic rods through bolts. The teaching table with the adjustable height based on the computer technology has the advantages that the computer is fixed on a mounting plate, the computer can ascend and descend through a linear actuator, the computer can be stored in a placement groove after teaching ends, an electric telescopic rod is started to make a first cover plate and a second cover plate shieldthe placement groove so as to reduce falling of dust, the computer is kept at an appropriate temperature and humidity environment through an air conditioner, the service life of the teaching table isprolonged, and the storage effect is good.

The invention discloses a psychological hypnosis teaching aid, which comprises a support frame, wherein a work box is arranged at the top of the support frame; a protective shell and a switch controller are arranged on the front side of the work box; the protective shell is fixedly connected to the middle end of the work box; the switch controller is arranged at the right side of the protective shell; a storage battery is arranged at the left side of the interior of the work box; the protective shell is fixedly connected to the middle end of the work box in a such structure that the middle end of the work box is connected to the protective shell by virtue of a connecting piece; the connecting piece comprises a supporting platform and an embedding opening which is used for embedding the protective shell on the supporting platform in a mode of coordinating with the lower end of the protective shell; and the supporting platform is connected to the middle end of the work box by virtue of a screw lead. The psychological hypnosis teaching aid can effectively overcome shortcomings of the prior art that a protective shell is difficult to assemble and pull out and is not high in stability.

The invention discloses a teaching compass, which comprises a ruler; wherein, one end of the ruler is provided with a turntable; a fixed device used for bonding with a writing plate is arranged on the turntable; the ruler is connected with the turntable by a rotating shaft and can carry out circular motion by taking the rotating shaft center as a circular point; a slide groove and a slide block are arranged on the ruler; the slide block is arranged in the slide of the groove and holes are arranged on the slide block for putting teaching pens. Compared with the traditional compass, the novel teaching compass has a completely different design proposal which has simple structure and a plurality of applications.

The invention relates to a locating device, in particular to a high-voltage coil lead locating device which comprises a base, wherein a locating ruler is arranged above the base, a first regulation locating block and a second regulation locating block are respectively sleeved on the locating ruler up and down through fastening nuts, the first regulation locating block is fixedly connected with a locating plate bracket, a fastening nut penetrates through a chute arranged on the locating plate to fix a locating plate on the locating plate bracket, a locating clamping groove is arranged at the lower part at the front end of the locating plate, the second regulation locating block is fixedly connected with a tapoff locating plate, three copper head locating holes are respectively arranged at the upper part and the lower part of the tapoff locating plate, an elongated slot arranged on the tapoff locating plate is communicated with the three copper head locating holes arranged at the lower part, and the locating plate is vertical to the tapoff locating plate arranged below the locating plate. The high-voltage coil lead locating device disclosed by the invention has the advantages of simple structure, convenience in operation, rapidness for assembly and disassembly, high efficiency, accuracy for lead location and ensured quality of a coil product.

The invention discloses a digestive esophagus applicator which comprises a base. The upper surface of the base is fixedly connected with a first supporting plate and a second supporting plate which are symmetric, the structure of the first supporting plate is as same as that of the second supporting plate, a transparent medicine storage box is arranged at the center between the first supporting plate and the second supporting plate and positioned on the base, a fixed rod and a convex rod are symmetrically and fixedly connected onto two reverse outer side walls of the medicine storage box, a sliding groove matched with the fixed rod is formed in the side wall of one side, close to the medicine storage box, of the first supporting plate, one end, far away from the medicine storage box, of the fixed rod is inserted into the sliding groove, the fixed rod is slidably connected with the sliding groove, and one end, far away from the medicine storage box, of the fixed rod is fixedly connectedwith a spring. The digestive esophagus applicator is simple in structure and convenient to operate, so that the medicine intake of an esophagus patient can be controlled, medicines can be sufficiently mixed, efficacy is improved, and the flow speed of medicine intake can be adjusted according to requirements of the patient.

The invention relates to a display screen corner protecting mechanism. The display screen corner protecting mechanism is installed on a display screen. The display screen comprises a shell and a screen body, the screen body is installed on the shell, and an installing groove is concavely formed in the side, away from the display screen, of the corner of the shell; the display screen corner protecting mechanism comprises a baffle, a connecting rod, a spring and a corner protecting body, wherein the baffle is installed on the shell and used for blocking the installing groove, the connecting rod penetrates through the baffle and convexly stretches into the installing groove, the two ends of the spring abut against the baffle and the end of the connecting rod, one end of the corner protecting body is rotationally connected to the connecting rod, the other end of the corner protecting body stretches along the side wall of the shell and convexly stretches out of the side, away from the shell, of the screen body, and the corner protecting body blocks the corner of the screen body. The display screen corner protecting mechanism does not need to be assembled or disassembled frequently and not prone to losing. The invention further provides a display screen.

The invention discloses multimedia business administration teaching equipment and relates to the technical field of business administration teaching equipment. The equipment comprises a box body. An electric telescopic rod 1 is installed at the bottom of the box body, and a main board is installed at the top of the electric telescopic rod. One side of the main board is rotatingly connected to a display board 1 through a damping rotation shaft 1, and the other side is rotatingly connected to a display board 2 through a damping rotation shaft 2. The display board 1 is equipped with a liquid crystal display screen. Four corners of the main board are equipped with a liquid crystal display screen 2, a liquid crystal display screen 3, a liquid crystal display screen 4 and a liquid crystal display screen 5. The middle of the main board is equipped with a writing board, and a storage box is installed under the writing board. According to the multimedia business administration teaching equipment, business administration related knowledge can be displayed to students well, each specific module and the function of the module of business administration can be vividly and concretely showed to the students in modules, and the equipment is convenient to move and is very suitable for business administration teaching.

The invention discloses a transportation device for medical research and development equipment. The transportation device comprises a base, installation seats are connected to the outer walls of the four corners of the bottom of the base through screws, and fixing blocks vertically placed are welded to the inner walls of the tops of the installation seats. Universal wheels are connected to the outer walls of the bottoms of the fixing blocks through screws, and damping springs are connected to the outer walls of the peripheries of the fixing blocks in a sleeving mode. A first installation opening is formed in the outer wall of the top of the base, and a storage battery is connected to the inner wall of the first installation opening through a screw, a transportation car shell is connected to the outer wall of the top of the base through a bolt, and electric expansion rods are connected to the inner walls of two sides of the top of the transportation car shell through bolts, and placement plates are connected to the outer walls of the tops of two electric expansion rods through screws. The electric expansion rods and the placement plates are arranged, the research and development equipment can be conveniently put into a transport car, the workload of staff is reduced, and the research and development equipment can be prevented from shaking in the transport process through a telescopic spring and a pressing plate.

The invention discloses a student management propaganda device. The device includes an installation frame, a display screen is arranged on the installation frame, a display screen dust removal deviceis arranged on the installation frame, and the display screen dust removal device comprises two installation rods symmetrically installed on the two sides of the display screen. The two installation rods are internally and rotatably connected with a first screw rod and a second screw rod respectively, the tops of the first screw rod and the second screw rod penetrate through the tops of the two installation rods and extend to the upper sides of the installation rods, and the first screw rod and the second screw rod are connected with driving devices respectively. The first screw rod and the second screw rod are connected with moving blocks through threads respectively. The two installation rods are provided with first moving grooves cooperating with the moving blocks. A driving motor is started, finally the display screen dust removal device can be driven for performing dust removal on the surface of the display screen, operation is simple, the dust removal cost of the display screen is reduced, the economical practicability is good, the displaying effect of the display screen is improved, and the effect of student management propaganda is thus improved.

The invention discloses a height adjustable information service activity display device. The display device comprises a base. The upper side of the base is fixedly connected with a sliding sleeve, theinner bottom of the sliding sleeve is fixedly connected with a spring, and the upper end of the spring is fixedly connected with a sliding rod. The sliding rod is in sliding connection with the sliding sleeve, the upper end of the sliding rod is fixedly connected with a fixing block, and the upper side of the fixing block is provided with a groove. A display is detachably connected into the groove. A cleaning device is disposed on the side wall of the display, and the lower side of the fixing block is fixedly connected with a rack. The upper side of the base is fixedly connected to a first supporting plate, and the upper end of the first supporting plate is provided with a rotating shaft in the penetration mode. The rotating shaft is in rotating connection with the first supporting plate,and one end of the rotating shaft is fixedly connected with a gear. The height of the display device can be adjusted. The display device can be elevated when the number of people is large, so that more people can see displayed items conveniently. During cleaning, the height is reduced to facilitate cleaning, elevating and lowering can be controlled remotely, and information updating can be transmitted through bluetooth.