80results about How to "Guaranteed placement stability" patented technology

The invention relates to the field of advertising boards, and in particular, relates to an LED billboard comprising a bottom plate, a damping structure, a shaking structure and a heat dissipation structure; the shaking structure comprises an LED screen, hydraulic cylinders, vertical rods, a limiting rod, a gear, a swing rod, a rotating shaft, a rack rod, an arc-shaped sliding rail and an arc-shaped sliding block; the surface of one side wall of the bottom plate is connected with two vertical rods arranged in parallel; a swing rod is rotatably connected between the two vertical rods through rotating shafts respectively, the rear side face of the LED screen is fixedly connected with the swing rod, the adjacent side faces of the top ends of the two vertical rods are connected with arc-shapedsliding rails respectively, the two side walls of the top of the LED screen are connected with arc-shaped sliding blocks respectively, the arc-shaped sliding blocks are slidably connected with the interiors of the arc-shaped sliding rails, and the hydraulic cylinders are mounted on the rear side walls of the vertical rods. The LED billboard provided by the invention has the advantages that peoplecan look up to see advertisements on the surface of the LED screen at an inclined angle when the people walk under the LED billboard, so that people in a plurality of areas can watch LED bottle advertisements and propagandize, and the commercial value is ensured.

The invention discloses a lifting platform for electric automobile overhauling. The lifting platform for electric automobile overhauling comprises a bottom seat, supporting plates and inclined plates.Two supporting plates are symmetrically arranged above the two sides of the bottom seat, a first sliding rail is welded to the side surfaces, opposite to each other, of the two supporting plates, a first sliding block is installed on the first sliding rail in a sleeving mode, a wedge block is rotatably installed at the top of the first sliding block, the end, close to the first sliding block, ofthe wedge block is welded to a shaft sleeve the shaft sleeve sleeves a rotating shaft, the bottom of the rotating shaft is fixedly connected with the first sliding block in a welding mode, the end, away from the shaft sleeve, of the wedge block is welded to a circular cylinder, a bolt is inserted to the circular cylinder, and the side, away from the first sliding rail, of the supporting plate is welded to multiple inserting rings matched with the bolt. According to the lifting platform for electric automobile overhauling, after the electric automobile drives to the supporting plate, the electric automobile can be clamped under automobile wheels through the wedge block, thus a great clamping limiting function can be achieved, in the process of automatic overhauling, tools for overhauling can be placed on a tool rack, and thus the tools are conveniently taken by overhauling staff.

The invention discloses an outdoor environmental art design easel, and particularly relates to the field of environmental art design devices. The outdoor environmental art design easel comprises a drawing board main body, a front support, a rear support and a connecting frame, wherein a storage frame is arranged on one side of the drawing board main body, two shielding plates are arranged in the storage frame, positioning shaft rods are arranged on the two sides of the storage frame, the storage frame comprises a frame body, and first storage grooves are formed in the two sides of the interiorof the frame body. According to the easel, through the change of the mounting positions of the shielding plates on the storage frame and the positioning shaft rods, a user pulls out the shielding plates from third storage grooves, the two shielding plates are mounted in mounting grooves of the positioning shaft rods on the two sides correspondingly, and the shielding plates are pushed to drive damping rotating shafts to rotate by an angle through the rod bodies, the angle change between the shielding plates and the drawing board body can be adjusted to adapt to light interference caused by sunlight irradiation angle change, the user does not need to adjust the overall angle of the easel, the angle is convenient to adjust, and it is guaranteed that drawing work is conducted smoothly.

The invention relates to a lithium battery leakage-proof storage cabinet which comprises a cabinet body and a cabinet door rotatably mounted on the cabinet body. The lithium battery leakage-proof storage cabinet is characterized in that the two side walls of the cabinet body are respectively provided with a left sliding groove and a right sliding groove, a plurality of horizontal object storage plates are arranged between the left sliding groove and the right sliding groove in parallel, liquid leakage holes are formed in the horizontal object storage plates, and a liquid collecting groove is formed in the bottom end of the cabinet body. According to the lithium battery leakage-proof storage cabinet, the arrangement is scientific and reasonable, waste liquid of a waste lithium battery can be collected to prevent explosion of the lithium battery, the distance between the horizontal object storage plates can be adjusted according to the size of the lithium battery, and the application range is wide.

The invention discloses an adjusting type bearing frame for shaft machining. The adjusting type bearing frame comprises a bottom frame and a bearing seat arranged on the bottom frame. A datum end clamp seat is arranged at one end of the bearing seat. An abutting seat is arranged at the other end of the bearing seat. Vertical adjusting sliding grooves are fixed in the inner side face of the abutting seat and the inner side face of the datum end clamp seat. I-shaped sliding blocks are fixed to the two ends of the bearing seat. An adjusting air cylinder is fixed between the top face of each I-shaped sliding block and the top wall of the corresponding vertical adjusting sliding groove. A supporting bracket is fixed to the middle of the bearing seat. A V-shaped supporting plate is fixed to thetop of the supporting bracket. The datum end clamp seat comprises a base. A moving groove is formed in the top of the base. A clamping seat is arranged at the top of the base. A moving control air cylinder is fixed between an inverted-T-shaped moving block and the end wall of the moving groove. The adjusting type bearing frame is reasonable in structural arrangement, the machining precision can beguaranteed, meanwhile, the position of the clamping seat is adjusted according to needs, the application range of the adjusting type bearing frame is greatly widened, use stability is good, adaptability is high, and practicality is good.

The invention discloses an electric oven. The electric oven comprises an oven body with an opening at top, a baking net and a motor device, the baking net is arranged at the opening of the oven body through a rotating shaft; the motor device is in transmission connection with the rotating shaft, the baking net comprises a baking net frame, a baking net cover and a locking mechanism used for locking the baking net cover in a covering state, one end of the baking net cover is hinged to one end of the baking net frame, the rotating shaft transversely penetrates through the two ends of the bakingnet frame and is fixedly connected with the baking net frame, and the two ends of the rotating shaft are supported at the tops of the side walls. When the electric oven is used, food can be directly placed on the baking net frame, then the baking net cover covers the baking net frame, so that the food is clamped between the baking net frame and the baking net cover, the food is convenient to place, the food can be prevented from falling into charcoal fire, and a user can be more relieved during baking.

The invention discloses a magnetic force transfer type cable winding and unwinding device. The magnetic force transfer type cable winding and unwinding device structurally comprises first reinforcingplates, supporting plates, two lifting pump rods, supporting extension plates, second reinforcing plates, a base, a motor, a magnetic force transfer ring, lifting sliding plates, a winding and unwinding roll assembly shaft rod, shaft rod bearings and bearing assembly plates. The base is in an H shape. The two feet of the bottom of the base are horizontally arranged forwards. The supporting extension plates are perpendicularly welded to the middle portions of the left and right ends of the base. The lifting pump rod on the left is perpendicularly connected to the middle portion of the right side of the top end of the left feet of the base in a locked mode. When in use, through gears, push rods, toothed plates and other mechanisms, the magnetic force transfer type cable winding and unwindingdevice can conduct switching of mobile assembly and fixed assembly through the self-weight of a cable winding and unwinding roll and can conduct switching of locking and unlocking of the moving state. Moreover, the moving state is started through the self-weight of the cable roll. When the cable roll descends, the placement stability of the magnetic force transfer type cable winding and unwindingdevice can be guaranteed, the placement safety is guaranteed, and the magnetic force transfer type cable winding and unwinding device is convenient to use.

The invention discloses a group nucleic acid test mixing device and method. The group nucleic acid test mixing device comprises a sampling bottle positioning placement disc, a mixing bottle placementdisc, a disinfection device, an automatic suction device and a rotary console for positioning and rotating the automatic suction device. The sampling bottle positioning placement disc, the mixing bottle placement disc and the disinfection device are fixed to one side of the rotary console; a plurality of sampling bottle placement grooves are formed in the sampling bottle positioning placement disc; by utilizing a mechanical arm capable of driving the automatic suction device to rotate and move on the rotary console, the automatic suction device rapidly positions and sucks to-be-detected samples stored in a to-be-detected sampling bottle, and therefore, a mixture of the multiple detected samples is obtained; by detecting mixed sample liquid, the detection efficiency is improved; the deviceis simple in structure and high in safety; wrong placement and wrong taking of the samples due to mistakes of workers are avoided, so that the detection safety of the detected samples is improved; andmeanwhile, the number of times of manual contact is avoided in a mixing process, so that the use safety is improved.

A provided water quality detection device based on an unmanned ship comprises a ship body, a collection box is fixed to the tail of the ship body, a storage box is fixed to one side of the collection box, an outlet of the storage box communicates with the interior of the collection box, and a plurality of water storage assemblies are arranged in the storage box; a driving mechanism for driving the water storage assembly to move is arranged in the collecting box, and a water injection assembly is arranged at the position, close to an outlet of the storage box, in the collecting box, and compared with the prior art, multi-time and multi-point water taking and sampling can be conducted, and the unmanned ship does not need to return in the process; sampled samples are protected and arranged in sequence through the sealing function of the water storage barrel, later statistics is facilitated, the time spent on homeward voyage is saved, the water sample detection efficiency is effectively improved, the sealing protection of the samples in the water storage barrel is high in the whole process, and the sealing effect, insertion water injection and insertion detection do not affect each other.

The invention provides a multi-chamber magnesium-aluminum alloy parking air reservoir. The multi-chamber magnesium-aluminum alloy parking air reservoir comprises a rotating motor; the rotating motor is obliquely arranged; an output end of the rotating motor is equipped with a bottom plate; an inner positioning seat and an outer positioning tube are installed at the center of the surface of the bottom plate; the inner top of a reservoir body is equipped with a setting mechanism; the setting mechanism is slidably attached to the top surface of a partition cover; the setting mechanism is used forcompressing the partition cover at the top; the setting mechanism is assembled at the center of the inner wall of a transparent seal cover; and the top surface of the transparent seal cover is fixedly connected with a pneumatic rod. According to the multi-chamber magnesium-aluminum alloy parking air reservoir provided by the invention, the placement stability of the reservoir body can be ensuredthrough the inner positioning seat and the outer positioning tube, the offset of the reservoir body during welding is avoided, and the welding precision is improved; and the inner positioning seat canstop and limit the partition cover, so that the installation of the partition cover is simpler and more convenient, and the installation position is more accurate.

The invention relates to the technical field of computer accessories, and discloses a mounting rack for a computer switch and a use method thereof.The mounting rack for the computer switch comprises a mounting rack body and a switch body, and a placement plate is fixedly mounted in the mounting rack body; the switch body is placed at the top of the placement plate, threaded holes are formed in the two sides of the mounting frame body, threaded rods are installed in the two threaded holes in a threaded mode, clamping plates are rotatably installed at the ends, close to each other, of the two threaded rods, and the two clamping plates movably abut against the two sides of the switch body respectively. According to the invention, the design is reasonable, fan blades are driven to swing back and forth while rotating, and an air guide plate is driven to swing left and right, so that the switch is efficiently and uniformly cooled, the use performance of the switch is ensured, external impact is buffered through the elastic force of the spring, the switch is subjected to damping protection, and the switch is prevented from being damaged.

The invention relates to the field of cameras, in particular to a 3D camera. The 3D camera comprises a rectangular shell, a camera lens, an adjusting structure, a glass sheet blowing structure and a wiping structure, and the glass sheet blowing structure is connected to the rectangular shell; the glass sheet blowing structure comprises a ventilating pipe, an induced draft fan, T-shaped air guide pipes and a glass sheet; the glass sheet is installed inside the rectangular shell close to an open area, induced draft fans are installed on the two side faces of the rectangular shell respectively, inlets and outlets of the induced draft fans are communicated with T-shaped air guide pipes respectively, the transverse side walls of the T-shaped air guide pipes are communicated with a plurality ofventilation pipes respectively, and the other end of one set of ventilation pipes is communicated with the side face of the tail of the rectangular shell. The 3D camera provided by the invention has the advantages that the air in the tail area of the camera lens can be pumped out through the glass sheet blowing structure, the pumped air is blown away on the outer surface of the glass sheet, dust accumulation on the outer surface of the glass sheet can be reduced, heat in the rectangular shell can be pumped out, and the heat dissipation effect is ensured.

The invention discloses an adjusting device for mounting a direct current motor. The adjusting device comprises a fixed seat and an adjusting seat, the fixed seat is detachably connected with the adjusting seat, the fixed seat comprises a fixed bottom plate, a side pressing assembly and a top pressing assembly, and the adjusting seat comprises an adjusting bottom plate and a movable flat plate. The mounting method comprises the following steps: 1) mounting and fixing the direct-current motor and the adjusting device; 2) adjusting the position of a motor shaft; and 3) installing a motor fixingframe. According to the invention, the direct-current motor is supported and stabilized by the fixed seat; the adjusting seat can adjust the position of the fixed seat; therefore, the position of thedirect-current motor on the fixed seat is adjusted; further, the position of the motor shaft on the direct current motor is accurately adjusted; the motor shaft and the connecting shaft on the mechanical driving device are ensured to be accurately positioned and connected, the fixed seat and the adjusting seat are designed into a detachable structure, after the direct current motor is integrally installed, the fixed seat is reserved to ensure the integral installation firmness of the direct current motor, and the adjusting seat is disassembled and assembled for cyclic utilization.

The invention discloses a visual folding circulation box applied to the transportation field. The visual folding circulation box structurally comprises side plates and a bottom plate, several placement positions are arranged in a containing cavity, side plate connecting pieces are arranged at the two ends of the bottom plate, the placement positions are provided with corresponding limiting piecesand visual control keys, several visual windows which are in one-to-one correspondence with the placement positions are arranged on the side plates, and the visual control keys are used for controlling the corresponding visual windows to realize information display operation. When products are placed at the corresponding placement positions, the positions of the products are limited under the action of the corresponding limiting pieces, so that it is guaranteed that the products can exert the effect on the visual control keys, and then the visual control keys are utilized to control display ofproduct information in the visual windows; according to the folding circulation box, the visual windows can be utilized to achieve visual check on internal product placement, so that the working efficiency is improved, meanwhile, detection operation is also performed on internal product placement positions, then the stability of the internal product placement is effectively guaranteed, and a guarantee is provided for maintenance of product performance.

The invention discloses a multifunctional induction cooker and a using method thereof. An induction cooker body is positioned through a stable fixing piece, displacement of the induction cooker body in the using process is avoided, and the placement stability of the induction cooker body is guaranteed. According to the scheme, two usage modes are set and include a normal usage mode and a self-programming mode, wherein the normal usage mode is that heating power and heating time are conventionally set; the self-programming mode is that five modes can be set in advance, and each mode is composed of four programs; and after a certain self-programming mode is selected for operation, the induction cooker can sequentially operate the set 1-4 programs, a buzzer sounds and prompts to end, and the induction cooker automatically stops working and is shut down. Each program in each mode can be set, and a user can adjust the cooking time and power needed by the user according to food materials of the user. The corresponding mode is directly selected during use, and the power and time do not need to be set every time. Thus, operation steps are simplified, and use is more convenient.