53results about How to "Meet placement requirements" patented technology

The invention discloses a multifunctional rostrum used for multimedia teaching, and belongs to the field of teaching equipment. The rostrum comprises a desk body. A projector drawer which can be drawn out towards the front of the desk body is mounted on the front portion of the desk body. The projector drawer is internally provided with a projector elevating mechanism. The projector elevating mechanism comprises a driving assembly, a projector supporting plate and two groups of first and second supporting bars, wherein the first supporting bar and the second supporting bar of each group are arranged between the projector supporting plate and the bottom frame of the projector drawer, are crossed, and form an X-shaped elevating structure through a shaft rod. The driving assembly comprises a motor, a screw rod and a nut, and the screw rod drives the nut to move back and forth, so that the projector supporting plate can move up and down in the projector drawer. A projector is mounted in the drawer of the rostrum, and the projector can be drawn out with the drawer and be elevated to the appropriate height when the rostrum is used, so that demands on drawing-out distance of the drawer are reduced, a multimedia projection function can be better achieved, and the rostrum is convenient to use.

The invention relates to a shield tunnel segment structure considering municipal cable pipelines and an installing method. According to the adopted technical scheme, pre-buried channels are formed in segments, needing laying of cable supports, in a shield tunnel; the fixed ends on the front sides of cable support rods are fixed to the segments on the side walls through the pre-buried channels, and the rear sides of the cable support rods point to the interior of the tunnel in a jetting-out mode; arc-shaped supports are connected to the rear middle portions of the cable support rods, and the other ends of the arc-shaped supports are connected to a track base; the municipal cable pipelines are placed on the cable support rods. The shield tunnel segment structure has the advantages of achieving the multi-purpose effect and being good in structural performance. The shield tunnel segments, the track base and the supports are pre-manufactured components, and therefore quality is easy to guarantee. The supports and the pre-buried channels are high in strength, resistant to electricity and fire, capable of being produced on a large scale, high in technology reliability, easy to construct and short in construction period.

The invention discloses a sounder, which comprises a high-frequency loudspeaker, more than one medium-frequency and/or low-frequency loudspeaker, inverter tubes and a bracket, wherein the high-frequency loudspeaker, the medium-frequency and/or low-frequency loudspeakers and the inverter tubes are fixed with the bracket; the medium-frequency and/or low-frequency loudspeakers correspond to independent inverter tubes one by one; one end of each inverter tube is over against each medium-frequency and/or low-frequency loudspeaker; the cross section of each inverted tube is circular; and the axial central line of each inverter tube is in smooth transition. The invention has the advantages that: sound waves of each loudspeaker are not interfered with those of other loudspeakers and the phenomenon of diffraction of sound waves at edges and corners is reduced to the maximum extent, so that the listening effects of accurate sound positioning, high resolving power, extremely good speed sense, pure and natural playback undertone and sweet and fine alt; the sounder has a simple structure and fashionable appearance; and the length of each inverted tube can be designed as required, and a length adjusting mechanism of the inverted tube is easy to design and can be used for adjusting the length of the inverter tube conveniently.

A machine capable of washing dishes separately comprises a dish washing cavity, a dish holder and a spraying device, wherein the dish holder is arranged in the dish washing cavity. The machine is characterized in that a rotation device is arranged at the bottom of the dish washing cavity, the dish holder is designed into a single-dish holding groove and mounted on the rotation device, the rotation device rotates to drive the single-dish holding groove, the spraying device is a spray gun comprising a nozzle and a spray bar, a spray gun inlet is arranged on one side of the dish washing cavity, the spray gun can be inserted into the spray gun inlet, and the nozzle of the spray gun is located inside the dish washing cavity while the spray bar is located outside the dish washing cavity. Compared with existing dish washing machines, the machine in the technical scheme has the advantages of better washing effect, quicker washing, simpler structure, easiness in operation and lower product cost and use cost.

The invention discloses an electric calligraphy desk. The electric calligraphy desk comprises a panel, leg racks, a movable component and a remotely controlled component, wherein the leg racks are used for supporting the panel; transverse racks are respectively mounted on the leg racks and are positioned below the panel; the movable component comprises a writing mechanism and a storage mechanism; the writing mechanism comprises a main shaft and an auxiliary shaft; the main shaft is mounted on the rear side surface of the panel; the auxiliary shaft is mounted on the front side surface of the panel; a writing strap is connected between the main shaft and the auxiliary shaft; the storing mechanism comprises a secondary main shaft, a secondary auxiliary shaft and a synchronous turning assembly; the secondary main shaft and the secondary auxiliary shaft are in rolling connection between the transverse racks; the secondary main shaft is positioned below the main shaft; the secondary auxiliary shaft is positioned below the auxiliary shaft; a storage strap is connected between the secondary main shaft and the secondary auxiliary shaft; the main shaft is connected with the secondary main shaft through the synchronous turning assembly; the remotely controlled component comprises a remotely controlled receiver and a remotely controlled generator which is connected with the remotely controlled receiver via electric signals; the remotely controlled receiver is connected with the writing mechanism through electric signals and is mounted on the panel; and the circumstance that Chinese art paper is torn off or drops on the bottom surface is avoided.

The invention discloses a cup holder structure with rotary brackets. The cup holder structure comprises a cup holder body. The cup holder body is provided with a cup containing space. A cup hole corresponding to a cup in shape is formed in the cup holder body. The L-shaped rotary brackets are hinged to the bottom of the cup holder body. The bottom of the cup holder body and the rotary brackets are provided with mutually matched locating structures. The rotary brackets and the cup hole form the cup containing space. The designed cup holder can be arranged on a thin armrest, and a large depth of the cup holder can be obtained by rotating the rotary brackets. When the cup holder is not in use, the function of the armrest is not influenced; when the cup holder is in use, the depth of the cup holder can be increased to meet the requirements for containing cups with different lengths. The cup holder structure with the rotary brackets is simple, easy to manufacture, low in cost and good in practicality.

The invention discloses a positioning device for a sound level meter, which comprises a cantilever (1), a telescopic rod (2) and a clamping head (3), wherein a body of the cantilever (1) is a hollow straight pipe, a hold hoop (4) is fixedly arranged at the back end of the body, the telescopic rod (2) is arranged in a pipe of the cantilever (1), and the telescopic rod (2) is fixed by an arresting device on the cantilever (1); and the front end of the telescopic rod (2) extends out of the cantilever (1), the clamping head (3) is mounted through a front end hole of the telescopic rod (2), the clamping head (3) can rotate around an axis line of the hole, and a supporting frame (31) containing the sound level meter (7) is arranged on the clamping head (3). The positioning device can be fixed on a headlight detector and other devices, thereby meeting the requirements on the placement position of the sound level meter in noise detection, conveniently adjusting the position of the sound level meter and further completing a plurality of detection items like noise detection and the like in a same detection place.

The invention relates to a box car frame. The box car frame comprises a front box, a back box and an underframe, wherein the front box and the back box are arranged on the underframe, universal wheels are connected to the lower end of the underframe, and the front box comprises an upper box, a middle box and a lower box; the lower box is a hollow cavity which has a forward opening and is connected with a lower box door with a lower box lock; the middle box is divided into a left cabinet and a right cabinet, multiple layers of trays with tool boxes are arranged in the left cabinet, and multiple layers of drawers are arranged in the right cabinet; the upper box is the hollow cavity which has the forward opening and is internally provided with a plurality of fixed partitions; the back box is the hollow cavity which has a backward opening and is connected with a locking door plate; and a plurality of top trays allowing the partitions to be adjustable are arranged at the top of the front box. A plurality of box bodies are respectively arranged according to the specific shapes and the sizes of various maintenance tools and parts, the placement requirements of the different maintenance tools and the parts can be met, and the box car frame has the advantages of compact structure, complete functions, safety in placement of the tools and convenience in taking the tools, and is conductive to improving working efficiency; and a special space is equipped for holding daily products of working staff, so that the applicability is strong, and the box car frame can be widely popularized and used.

The invention discloses a mobile capsule body, comprising a capsule body base assembly and a capsule body upper cover, wherein an inverted U-shaped capsule body upper cover is covered and buckled on the capsule body base assembly, the capsule body upper cover sequentially comprises an inner shell plate, a side wall cellular steel separation net frame and an outer shell plate from outside to inside, wherein the side wall cellular steel separation net frame between the outer shell plate and the inner shell plate is internally filled with steel grid filling rock wool and a heat insulation flame retardant material; and the capsule body base assembly mainly comprises a capsule body base cellular steel separation net frame, a lower base plate and an upper base plate, wherein the capsule body base cellular steel separation net frame is welded at the inner side of the lower base plate, the upper base plate is arranged at the inner side of the capsule body base cellular steel separation net frame, and the capsule body base cellular steel separation net frame between the upper base plate and the lower base plate is internally filled with the steel grid filling rock wool and the heat insulation flame retardant material. Multiple mobile capsule bodies are connected end to end to form a rescue capsule, end face flanges of end faces of two adjacent mobile capsule bodies are oppositely locked and connected, and a convex heat insulation flame retardant pad strip and a concave heat insulation flame retardant pad strip are arranged at a locking and connecting position.

The invention discloses a circular glass placement rack for house building engineering construction. The circular glass placement rack for house building engineering construction comprises a placementrack body, wherein a connecting plate is welded to the bottom part of the placement rack body; the other end of the connecting plate is welded onto an outer wall of a placement seat; two sleeve-jointpipes are welded to an inner wall of the placement seat; the other sleeve-joint pipe is welded onto outer walls of bearing seats; an inserting screw rod is inserted between the two sleeve-joint pipes; limiting rings are in screw joint onto a rod body of the inserting screw rod; limiting slide blocks are fixedly connected to outer walls of the bearing seats and are slidably connected into translation grooves formed in an inner wall of the placement seat; the two bearing seats are left-and-right symmetrically distributed with respect to the center of the placement seat; the placement seat is arranged on the placement rack body and meets the requirement on placing circular glass; and the bearing seats are matched with the sleeve-joint pipes and the inserting screw rod in the placement seat,so that the circular glass in different sizes is placed, and the application range of the placement rack body is enlarged.

The invention relates to the technical field of civil water conservancy and traffic engineering, and discloses a linear engineering derived component interactive construction method, which mainly comprises the following steps: creating a parameterized regulation and control self-adaptive linear engineering derived component family model through a design platform, and picking up related line segments of linear engineering in the design platform; interacting to a programming platform and extracting point locations, quickly placing the point locations through a coordinate system conversion principle and a vector outer product theorem, fitting and projecting to obtain a placement positioning line of the derived component family model, and then extracting the placement point locations of the derived component family model based on the placement positioning line; and finishing batch placement of derived component family models through an automatic arrangement program. According to the invention, firstly, establishment of a linear engineering derived component family model is completed through a design platform, and then parameter automatic generation of derived components is achieved on a programming platform. According to the invention, the design precision of the derived component model of the linear engineering can be well improved, and meanwhile, the generation speed of the derived component model is remarkably increased.

The invention discloses a fast loading-unloading and fixing device for high speed rail cargoes, and relates to a cargo loading-unloading and fixing device. The fast loading-unloading and fixing devicecomprises a conveying device, a first storing plate, a heavy-object quickly-fixing device and a light-object storing device. The first storing plate is mounted on the conveying device and slidably matched with the conveying device. The heavy-object quickly-fixing device is mounted on the first storing plate. The light-object storing device is mounted above the heavy-object quickly-fixing device.The light-object storing device comprises a plurality of storing boxes with different volumes. The heavy-object quickly-fixing device comprises a first baffle, an anti-loosening device, a fixing rod and an arc-shaped fixing frame. The anti-loosening device is wound with an elastic band. The elastic band passes through the first baffle and is connected to the fixing rod. The fixing rod is connectedto a groove in the first storing plate and the arc-shaped fixing frame in matched and clamped modes. According to the fast loading-unloading and fixing device for the high speed rail cargoes, loading-unloading requirements of fast conveying, high speed and high efficiency of a high speed rail can be met, an internal space of a compartment can further be used fully, storing requirements of the large quantities of cargoes are met, the effect that the large cargoes and the small cargoes are classified and stored differentially can be achieved, and the fast loading-unloading and fixing device iseasy to use and popularize.

The invention discloses a vehicle-mounted self-lifting object carrying mechanism, which comprises a bottom plate, a base, a drawing lifting device and a horizontal object storing platform. The base isfixed to the bottom plate; parallel guiding rails are arranged on the two sides of the base; a rack is arranged on the position, parallel to the guiding rails, in the center of the base; the drawinglifting device comprises a horizontal drawing plate and a lifting mechanism; a worm transmission type reducer is fixed to the upper end of the horizontal drawing plate and connected with the rack through a shaft and a gear; sliding blocks are fixed to the two sides of the lower end of the horizontal drawing plate, and the horizontal drawing plate is slidably connected with the parallel guiding rails on the two sides of the base through the sliding blocks; and one end of the lifting mechanism is vertically fixed to the horizontal drawing plate, and the other end of the lifting mechanism is vertically and fixedly connected with the horizontal object storing platform. According to the vehicle-mounted self-lifting object carrying mechanism, the horizontal object storing platform can automatically stably stretch out, descend, automatically ascend, and recover to the original state, the space occupancy rate is small, firm and reliable effects are achieved, the load capacity is large, and using is convenient.

The invention provides a PCB centre template automatic design method and system, a storage medium and a terminal, and the method comprises the following steps: obtaining a PCB CAD file of a PCB, and generating auxiliary design data; judging whether the PCB is a jointed board or not based on the PCB CAD file; if yes, completing board splicing; generating a centre design file of the PCB based on a preset design rule according to the auxiliary design data; detecting whether the centre design file is qualified or not based on a preset detection rule; if not, modifying the centre design file until the centre design file is qualified; and adding auxiliary processing layer data into the qualified centre design file to generate centre template processing data. According to the PCB centre template automatic design method and system, the storage medium and the terminal, manual intervention is not needed, automatic PCB centre template design can be achieved, and practicability is high.

The invention relates to a goods chamber structure of a vending machine. Two side plates are arranged at an interval, an upper beam is arranged at upper ends of the two side plates, a gear beam is arranged at the rear end of the two side plates, and a front beam is arranged at front ends of the two side plates. A plurality of detachable base plates are arranged on the front beam and the rear beam,and a plurality of detachable motor plates are arranged on the upper beam and the rear beam. Detachable partition plates are arranged on the front beam and the rear beam among adjacent base plates orarranged at upper end faces of the base plates. Appropriate widths and mounting positions of the base plates and the motor plates can be selected, the partition plates can be mounted and demounted conveniently, the base plates, the motor plates, the partition plates, tracks and springs can be freely combined according to goods sold on site, and high flexibility is realized. The beams, the side plates and the like are made from aluminum alloy, the base plates, the motor plates and the like are made from plastic, and the integral weight is sharply reduced while mechanical strength is greatly improved. Due to convenient mounting modes of a center plate, the spring, the tracks and the like, efficiency in mounting and demounting is further improved.

The invention relates to the technical field of storage cabinets, in particular to a retractable ladder placement rack. Seven ladders can be placed on the placement rack at a time, and the storage requirement of all the lasers of a 110kV GIS transformer substation is met; through the stacking design of the rack, the uniformity of ladder placement can be improved, the stock-in or stock-out conditions of the ladders are visually reflected, and the level of managing the ladders of the transformer substation is increased. Moreover, the placement rack has a retractable function, the size of the placement rack can be reduced under the contraction condition, and the carrying convenience is improved.

The invention provides a turnover device which comprises a bracket and a turnover platform, wherein the turnover platform is rotatably arranged on the bracket and comprises a first platform and a second platform which have an included angle; the turnover platform has a first position capable of enabling the first platform to be in a horizontal plane and a second position capable of enabling the second platform to be in a horizontal plane; the second platform comprises multiple movable plates arranged side by side; the two adjacent movable plates have a gathering state and a separation state. According to the technical scheme provided by the invention, the problems of high labor strength and low production efficiency of manual building block turnover operation in the prior art can be solved.

The invention relates to a turnover device for machining automobile plate parts. The turnover device comprises two first linear driving devices, two lifting devices, two second linear driving devices, two rotating devices and two clamping devices, and is characterized in that the two first linear driving devices drive the two lifting devices to move close to each other and away from each other, the two lifting devices are used for driving the two second linear driving devices to move up and down, the two second linear driving devices are used for driving the two rotating devices to move front and back, the two rotating devices are used for driving the two clamping devices to rotate and reset, the two clamping devices are used for clamping and fixing plate parts, and therefore, the whole device can be adjusted according to the sizes and the lengths of the plate parts, the labor intensity of operators is greatly reduced, and the machining efficiency of the automobile parts is effectively improved.

The invention provides a tableware basket and a cleaning machine, and relates to the technical field of cleaning equipment. The tableware basket comprises a base, a first supporting assembly and a second supporting assembly, the first supporting assembly is provided with a first supporting groove, the second supporting assembly is provided with a second supporting groove, and the first supportinggroove is matched with the second supporting groove to be used for placing tableware; the first supporting assembly and/or the second supporting assembly are/is detachably connected with the base to adjust the distance between the first supporting groove and the second supporting groove. By means of the tableware basket, the technical problem in the related art that it is difficult to place tableware of different sizes in the daily life is solved.

The invention discloses a horizontal plate-shaped parallel transistor device, which comprises a connection bottom plate, and a plurality of transistor installation frames are arranged on the top surface of the connection bottom plate; the transistor installation frame includes two vertical support plates, and the vertical support plates are fixed On the top surface of the connecting bottom plate, side insulating elastic clamping blocks are fixed on the upper parts of the opposite walls of the two vertical supporting plates, and a lower insulating elastic block is fixed on the connecting bottom plate between the two vertical supporting plates. An insulating support plate is fixed on the top surface of the front and rear connection base plates between the straight support plates, and a main conductive connection plate is provided on the front and rear of the top surface of the connection base plate. An adjustment block is fixed at the end, and the adjustment block is inserted and sleeved in the guide rod. The invention can be placed horizontally at the position where it needs to be placed, meeting the placement requirements, and at the same time, the transistor is easy to install, disassemble and replace.

The invention discloses a loading platform device and a display screen processing system, and belongs to the technical field of mechanical devices. The loading platform device is used for placing workpieces with different sizes to be processed, and comprises a fixed loading platform, a sliding loading platform and a driving component, wherein the sliding loading platform is connected to the fixedloading platform in a sliding manner; the sliding loading platform and the fixed loading platform are arranged on the same plane; the sliding loading platform is arranged at the side of the fixed loading platform; the sliding loading platform and the fixed loading platform are distributed in a first direction; and the driving component is configured to drive the sliding loading platform to slide relative to the fixed loading platform in the first direction. The loading platform device has the beneficial effects that when the workpieces with different sizes to be processed are placed on the sliding loading platform and the fixed loading platform, the sliding loading platform can automatically expand and contract relative to the fixed loading platform so as to meet the requirements on the placement of workpieces with different sizes, the replacement of loading platform device with different sizes is no more needed, and the loading platform device has relatively strong universality and issimple to operate.

The invention discloses a grabbing structure for automatically grabbing a pipe rod, which comprises a grabbing mechanism, the grabbing mechanism is fixedly arranged on a claw base, one end of the claw base is provided with a sensing assembly which senses the grabbing mechanism, and one end of the grabbing mechanism is provided with a grabbing hydraulic cylinder which is matched with the sensing assembly. A support connected with the grabbing hydraulic cylinder is arranged in the middle of the claw base. The position of the pipe rod is fed back through the sensing assembly, the grabbing mechanism can accurately grab the pipe rod under feedback of the sensing assembly, then the grabbing hydraulic cylinder is used for driving the grabbing mechanism to clamp or loosen the pipe rod, the grabbing mechanism can clamp or loosen the pipe rod more flexibly, the operation difficulty is effectively reduced. The grabbing hydraulic cylinder and the grabbing mechanism are fixedly connected through the claw base, the structure is simplified, the installation process is simplified, meanwhile, cost is reduced, and the pipe rod conveying and placing efficiency is effectively improved.

The invention discloses 5G high-speed connector terminal assembling equipment. The 5G high-speed connector terminal assembling equipment comprises an equipment rack, and a multi-material-number switching material turning mechanism, a displacement module, a multi-suction-nozzle rotating mechanism, a post-rotation displacement module, a CCD detection mechanism, a rapid carrying mechanism and an assembling mechanism which are mounted on a workbench of the equipment rack and are sequentially arranged in a butt joint manner, wherein the multi-material-number switching material turning mechanism grabs a discharging terminal of an injection mold and then flatly places the discharging terminal on the displacement module, the multi-suction-nozzle rotating mechanism grabs the terminal at the displacement module, rotates the terminal to a mounting and placing angle and then places the terminal at the rotated displacement module, and the rapid carrying mechanism rapidly carries the placed terminal to the assembling mechanism to be assembled with a material belt. By means of the mode, the device can be suitable for overturning, taking and placing of injection molding and discharging products, and the quick-change assemblies are quickly switched according to corresponding material numbers; and the product is synchronously adsorbed and rotated to a specified angle, the carrying track is not limited by traditional linear carrying, the stroke is short, and rapid carrying can be achieved.