21results about How to "Avoid climbing" patented technology

The invention provides an external assembly type tower crane anti-climbing device, and belongs to the technical field of tower crane anti-climbing. Comprising a plurality of frames, a plurality of mounting plates are fixed to the side faces of the frames, the adjacent frames are perpendicularly arranged, the mounting plates between the adjacent frames are vertically aligned, and the vertically aligned mounting plates are fixedly connected through screws. By arranging the frame, the panel and the round rollers, when the tower body has a certain height and an entrance for entering a control room is located on the side face of the tower body, the fence composed of the frame and the panel is fixed to the periphery of the tower body, and when a person wants to climb the tower body, due to the fact that the surface of the panel is smooth and the feet of the person have no acting points, the person cannot climb the tower body, and the safety of the person is improved. When a person binds a hook on a rope and hangs the rope on the tower body, the person wants to climb the tower body with the help of the rope at the moment, and when the feet step on the panel, the round roller rotates, so that the feet of the person have no leveraging point, the person is further prevented from climbing the tower body, and safety protection for the person is achieved.

The utility model discloses an extension ladder fixing frame of a fire fighting truck, and belongs to the field of fire fighting, the fixing frame comprises a fixing plate arranged on a fire fighting truck body and a fixing assembly used for fixing an extension ladder on the fixing plate; a turnover mechanism is arranged on the fire fighting truck body; the turnover mechanism comprises hinged plates which are symmetrically and fixedly connected to the side of the lower end of the fixed plate, fixed seats which are symmetrically arranged on the two sides of the hinged plates and are fixedly connected to the side of the upper end of the fire fighting truck body, synchronous rods which are fixedly inserted into the two hinged plates and are rotatably connected to the fixed seats, and a driving motor which is fixedly mounted on the fire fighting truck body; the output end of the driving motor is fixedly connected with a shaft rod of the synchronous rod. Through the design of the turnover mechanism, the fixing plate horizontally placed at the top of the fire fighting truck body can be turned over to the side face of the truck body and is in a vertical state, so that the height of the extension ladder is reduced from the roof position to the height which a firefighter can stand, the firefighter is prevented from climbing the roof, and the taking and placing efficiency of the extension ladder is remarkably improved.

The application provides a prefabricated transformer substation, which comprises a transformer substation body, the transformer substation body comprises a base, universal wheels are installed on the bottom of the base, the universal wheels comprise a wheel frame and a wheel body, the wheel frame is hingedly installed on the lower part of the base to drive the wheel body to swing up and down, the base is provided with an avoiding structure, the wheel body has a supporting position and a ground-leaving position on the swinging stroke of the wheel body, the wheel frame is provided with a wheel frame locking structure and a wheel frame unlocking structure, the transformer substation body further comprises rolling bodies, the rolling bodies are used for forming rolling drums in cooperation with the wheel body when the wheel body is in the ground-leaving position, and the rolling bodies and the wheel body are correspondingly arranged on each side of the base, so that the projection of the rolling drums on each side of the base in the up-down direction encloses a closed figure. The prefabricated transformer substation can effectively solve the technical problem that animals easily enter the interior of the prefabricated transformer substation to cause damage due to the lack of a protection device in the prior art.

The utility model discloses a building tower crane guardrail with good safety performance, which comprises a plurality of platform-shaped bases, a plurality of rectangular upright posts and a plurality of guardrail frames, guardrail nets are fixedly welded in the guardrail frames, and rectangular insertion blocks are arranged at the upper ends of the center positions of the plurality of platform-shaped bases. The guardrail frame is matched with the first bolt to be fixed in the opening of the U-shaped mounting block, the threaded column on the supporting seat is inserted into the circular hole in the guardrail frame, the supporting seat is inserted into the L-shaped open groove to be matched with the stud to be fixed, the gasket nut is in threaded connection with the threaded column in a sleeved mode, and then the gasket nut and the guardrail frame are pressed and fixed. The guardrail is effectively locked and fixed, the structural stability and the safety performance are improved, a plurality of fixing rods are inserted into circular inserting grooves in a plurality of rectangular stand columns correspondingly, the fixing rods are locked and fixed through second bolts, and two steel wire barbed ropes are fixedly wound around the fixing rods between every two adjacent rectangular stand columns, so that personnel are effectively prevented from climbing the guardrail.

The utility model discloses a kind of turnover assembly type tower crane foundation protection plate, it is related to building construction field, including outer fender, inner circle fender and tower crane foundation, the upper surface of the tower crane foundation is installed with tower crane standard section, the outer fender is installed on tower crane foundation surface and located tower crane standard section outside. By eight trapezoidal steel plates of outer fender by bolt connecting piece one and insert structure stacking assembly, then the inner circle fender is stacked into four prism by four L-shaped steel plates, inside closed protection is formed at this time, outer fender covers tower crane foundation periphery, prevent personnel to climb or falling object impact, the standardization design of trapezoidal steel plate and L-shaped steel plate, support quick assembly and disassembly, adapt to different tower crane foundation size, meanwhile, the protection is clearly divided safety area, avoid personnel to enter tower crane work area at will, reduce the risk of high-altitude falling object and mechanical injury, reach the effect of repeatable turnover, save cost.

This invention discloses a detachable hydroponic leek cultivation device for turtle ponds, belonging to the field of hydroponic devices. It includes several freely detachable and combinable floating boards, with detachable protective plates installed on the outer sides of the floating boards. The floating boards can be disassembled and reassembled, offering flexible use. The detachable protective plates at the outer edges of the floating boards prevent turtles from climbing in and eating the leeks. The leeks can absorb high levels of nitrogen, phosphorus, and other nutrients from the turtle farming water, removing eutrophic substances. The leek roots release oxalic acid and other organic acids, sulfides, and flavonoids, inhibiting pathogenic microorganisms in the aquatic environment and reducing the incidence of turtle diseases. This invention can not only be used for hydroponic leeks but also for cultivating other suitable hydroponic medicinal herbs and vegetables, and can be reused repeatedly.

The utility model discloses an anti-climbing crib, which belongs to the field of cribs and comprises a crib board, a loop bar is fixedly connected to the upper surface of the crib board, a woven mesh is fixedly connected to the bottom of the inner side wall of the loop bar, a protection mechanism is fixedly connected to the middle of the inner side wall of the loop bar, and adjusting rods are fixedly connected to the periphery of the bottom of the crib board. The outer surface of the adjusting rod is sleeved with a sleeve, the bottom of the sleeve is fixedly connected with a damping mechanism, the protection mechanism comprises a folding plate, and the other side of the folding plate is fixedly connected with a connecting block. Through cooperative use of all the devices, the protection function can be added to the baby crib through the arranged protection mechanism, the protection mechanism is pulled upwards or downwards, the protection mechanism is adjusted to the proper height and fixed according to the needed protection height, the applicability can be improved, personnel operation is facilitated, and convenience is improved; and the baby can be prevented from climbing out of the bed, so that the injury caused by climbing and falling can be reduced.

The purpose of the present invention is to suppress climbing of a bonding material, which bonds an external terminal of a piezoelectric vibrator and a mounting pad of a substrate, to a communication part formed in a second sealing member. The present invention is provided with: a piezoelectric vibrator (3) which is provided with a piezoelectric vibration plate (10) and first and second sealing members (20, 30) that hermetically seal a vibration part (11) of the piezoelectric vibration plate (10), and in which a first external terminal (32a) is formed on a second main surface (302) of the second sealing member (30); a substrate (2) on which a first pad (52a) on which the piezoelectric vibrator (3) is mounted is formed; a solder (H) that joins the first external terminal (32a) and the first pad (52a); and a resin molded portion (5) molded on the substrate (2) so as to cover the piezoelectric vibrator (3), the second sealing member (30) has a through portion (33a1) connected to the first external terminal (32a), a through electrode (33a2) is formed in the through portion (33a1), and the through portion (33a1) does not overlap a line segment connecting a center point (C2a) of the first pad (52a) and a center point (C1a) of the first external terminal (32a) in plan view.

The application relates to a kind of unmanned aerial vehicle service network automatic layout method for complex urban low-altitude environment. Firstly, the urban low-altitude environment is spatially gridded and the height of the obstacle is aggregated. Secondly, by introducing the "detection + gentle climb" strategy and the continuous heading adjustment mechanism, the improved A* algorithm is used to reconstruct the cost function with real physical flight time, and to calculate the shortest safe flight time matrix between each grid node. Finally, a P-median location model is constructed to minimize the weighted total flight time of residents, and the Lagrangian relaxation is combined with the Volume algorithm and local search for efficient solution. The application can quickly solve the optimal layout of unmanned aerial vehicle take-off and landing points in large-scale urban central city without relying on high-performance hardware, and has the advantages of high path smoothness, accurate time estimation, high location efficiency and strong engineering adaptability, and is suitable for the planning and construction of unmanned aerial vehicle service network for ultra-large city low-altitude logistics and inspection.

The utility model discloses an anti-climbing device for a transmission angle steel tower, which includes a mounting plate; it also includes a connecting frame and an outer wrapping plate. A first mounting hole is formed on the mounting plate. A first mounting seat is fixedly connected to the outside of the mounting plate, a second mounting seat is fixedly connected to the outside of the first mounting seat, and a second mounting hole is formed on the outside of the second mounting seat. A connecting frame for mounting the outer wrapping plate is arranged on the inner side of the mounting plate. The mounting plate and the connecting frame are bolted through the second mounting hole. A support rod is installed on the inner side of the connecting frame, a mounting block is arranged on the outside of the support rod, and an outer wrapping plate is arranged on the outside of the mounting block; the device of the utility model is installed on the angle steel tower through the mounting plate and the first mounting hole, and the connecting frame, the outer wrapping plate and the guiding plate are installed. When in use, the mounting plate cooperates with the outer wrapping plate and the guiding plate to fully cover the surface of the angle steel, thereby covering the support points and preventing climbing from the inside and outside of the angle steel tower. At the same time, the mounting plate can carry an external blocking structure to comprehensively prevent people and animals from climbing the angle steel tower.

This invention relates to the field of snake-proofing technology, specifically a snake-proofing device for power transmission towers. It includes a power pole, a support body fixedly installed on the outer wall of the pole, and a dispersing assembly. The dispersing assembly is installed on the outer wall of the support body, and a driving assembly is located below the dispersing assembly. The dispersing assembly includes a first rotating ring, a second rotating ring, a track ring, and a driving component. The track ring is fixedly installed on the outer wall of the support body. This invention, through the installation of the dispersing and driving components, can repeatedly push snakes off the power pole. In conjunction with the track ring, the dispersing sleeve and dispersing rod can rotate to push the snake off, increasing the driving effect. During the driving process, the second rotating ring collides with a vibrating block, generating strong vibrations. Since snakes are sensitive to vibrations, the strong vibrations frighten them, causing them to escape, thus preventing snakes from climbing the power pole, ensuring the safety of the power grid, and avoiding large-scale power outages.

This invention relates to the field of centrifugal separation technology, specifically to a cold precipitate centrifugal separation device and its application in the production of instant tea powder. The device includes: a base plate and a centrifugal tank fixed to the base plate, with a cover plate hinged to the top of the centrifugal tank; a filter tank rotatably installed inside the centrifugal tank, the outer circumferential wall of the filter tank having multiple circumferentially equidistant filter holes; a centrifugal assembly connected to the filter tank on the base plate; a rotary feeding mechanism disposed on the cover plate for guiding the cold precipitate into the filter tank for centrifugal separation; and a scraping assembly disposed on the cover plate, with a scraper connected to the scraper. The scraping assembly can control the movement of the scraper to break the continuous adhesive surface of the tea polysaccharide-containing filter cake and guide the material away from the filter tank, preventing the material from being re-adsorbed onto the screen due to residual centrifugal force or airflow disturbance.

The phosphorus pentoxide collecting tank comprises a fixing frame, a tank body is arranged in the fixing frame, a crawling ladder is fixed to the left side of the fixing frame, a rotating rod is arranged above the fixing frame, the outer side wall of the rotating rod is rotationally connected with two fixing blocks, the bottoms of the fixing blocks are fixedly connected with the top of the fixing frame, and the bottom of the fixing block is fixedly connected with the top of the fixing frame. Two rotating blocks are fixed to the position, between the two fixing blocks, of the outer side wall of the rotating rod, and baffles are arranged on the left sides of the rotating blocks. According to the phosphorus pentoxide collecting tank, when personnel need to use a ladder stand, a motor is started, the motor drives a rotating rod and a rotating block to rotate, the rotating block drives a baffle to rotate upwards, in this way, the ladder stand can be opened, the personnel can use the ladder stand, the baffle leans against the top of a fixing frame after rotating upwards, the personnel can walk on the baffle, and the personnel can conveniently move on the device; when the ladder stand is not used, the motor rotates reversely, the baffle rotates downwards to return to the original position, and therefore the ladder stand can be blocked, and irrelevant personnel are prevented from climbing.

The utility model relates to the field of water ecological restoration, in particular to a device for planting and observing submerged plants in situ, which comprises an overwater device, an underwater device and a fixing rod, the overwater device is connected with the fixing rod and can move up and down along the fixing rod, and the underwater device is arranged below the overwater device. The overwater device comprises a floating bed and a framework arranged on the floating bed, and is characterized in that the framework comprises a first frame and a second frame, the first frame is arranged above the second frame, a plurality of supporting rods are further arranged between the first frame and the second frame, one end of each supporting rod is fixed to the first frame, and the other end of each supporting rod is fixed to the second frame. According to the device, the double-layer frame is arranged and matched with the supporting rods to form a groove-shaped structure, so that the floating bed is clamped and fixed, and the device is simple in structure, low in manufacturing cost, high in practicability, convenient to manufacture and capable of being massively manufactured according to needs to meet experiment requirements.

The utility model discloses an anti-running net for crayfish breeding, relates to the technical field of crayfish breeding, solves the problems that an existing device is poor in using effect and inconvenient to mount and dismount, and adopts the following scheme that a lower connecting strip is fixedly mounted on the bottom surface of the anti-running net. Through the arrangement of the anti-running net, the lower connecting strips and the limiting rods, the anti-running net and the lower connecting strips are placed into water, the limiting rods are inserted into soil, accordingly, the lower connecting strips and the anti-running net are limited and fixed, it is guaranteed that the lower connecting strips are attached to the soil, the smooth lower connecting strips can also prevent crayfishes from climbing to the anti-running net, limitation to the crayfishes is improved, and the crayfishes are prevented from climbing to the anti-running net. Meanwhile, through the arrangement of the fixing sleeve, the anchor rod and the inserting rod, the anchor rod cap is taken down, then the fixing sleeve is arranged from the top end of the anchor rod in a sleeving mode, the fixing sleeve is arranged on the outer wall of the anchor rod in a sleeving mode, the anchor rod is inserted into soil through the inserting rod, installation is easy and convenient, the whole anti-running net can be conveniently moved, and practicability is high.

This invention relates to the field of power equipment technology and discloses a non-contact live-line diagnostic method and system for zinc oxide surge arresters. A wireless test clamp with remote-controlled opening and closing function is deployed on the three-phase grounding lead of the surge arrester via an insulating rod, and a reference voltage acquisition module is deployed simultaneously. Dual wireless radio frequency modules are used to transmit sampling data in parallel, achieving synchronous acquisition and transmission of current and voltage signals. After receiving the data, the host computer performs filtering and FFT frequency domain analysis to extract the fundamental component and calculate characteristic parameters such as total current, resistive current, capacitive current, phase difference, and power loss. The state of each phase of the surge arrester is determined by preset thresholds, and a comprehensive diagnostic conclusion is output.

The utility model discloses a height-adjustable polygonum multiflorum seedling culture bed, and relates to the technical field of seedling culture. The height-adjustable polygonum multiflorum seedling raising bed comprises a fixing frame, an adjusting assembly and a moving assembly, two groups of lower seedling raising frames are arranged on the fixing frame and are symmetrically distributed, an upper seedling raising frame is arranged above the lower seedling raising frames, the adjusting assembly is arranged on the fixing frame, and the moving assembly comprises a sliding seat and a connecting rod. Sliding seats are fixedly installed on the front side and the rear side of the lower seedling raising frame and slidably installed on the connecting rods in a sleeving mode. Through cooperative use of the sliding seats, the connecting rods, the sliding grooves and the sliding plates and by moving the lower seedling raising frames towards the two sides, gaps between the frames can be increased, air circulation can be improved, so that mold and plant diseases and insect pests are reduced, meanwhile, uniform distribution of light rays is facilitated, healthy growth of seedlings is promoted, operation of the seedling raising bed can be more flexible, and the seedling raising efficiency is improved. Fertilization, watering, weeding and nursery stock growth state inspection are facilitated.

The utility model discloses a navigation mark ship with swimmer warning function relates to navigation mark ship technical field, include: navigation mark ship body, the periphery of navigation mark ship body evenly distributed with a plurality of inductor group, the top of cylinder type support is installed with navigation mark light, the top of cylinder type support is connected with the rotating sleeve through the bearing sleeve, install camera on the rotating sleeve, the upper portion lateral wall of cylinder type support is installed with loudspeaker horn at equal intervals, drive assembly, loudspeaker horn and camera are in low -power consumption standby mode when not working, inductor group low frequency periodicity detects. The utility model discloses through evenly distributed with a plurality of inductor group at the periphery of navigation mark ship body, can detect swimmer close -in in time, through loudspeaker horn sends warning sound, reminds swimmer to keep away, effectively avoids swimmer to climb or close -in navigation mark ship, reduces the risk of accident occurrence, guarantees the safety of swimmer and navigation mark ship.

The utility model discloses a protective enclosure structure for house building construction, and relates to the technical field of protective enclosure structures. The protective fence structure for house building construction comprises a bottom plate and a fence plate, a cavity is formed in the top of the fence plate, a plurality of threaded holes are formed in the surface of the bottom plate, a plurality of water outlets are formed in the surface of one side of the fence plate, a notch is formed in the surface of the fence plate, and extension mechanisms are arranged on the inner wall of the cavity and in the notch. And a protection mechanism is arranged on the surface of the extension mechanism. According to the safety fence, the top of the fence plate can be expanded through the extension mechanism, the extension mechanism can enable the protection mechanism to ascend and descend, when the protection mechanism ascends to the position above the fence plate, the top of the fence plate is heightened, the top of the fence plate can be blocked through the protection mechanism, and therefore people can be prevented from climbing the fence plate; and when the protection mechanism contracts and descends to the interior of the cavity, the fence plate can be conveniently transferred.

A safety ladder for large equipment, comprising a fixed ladder and a rotating ladder arranged separately, the fixed ladder is fixedly arranged on one side of the large equipment, and the rotating ladder is located at the bottom of the fixed ladder, and the combination and separation of the rotating ladder and the fixed ladder can be realized through the rotation of the rotating ladder. By arranging the fixed ladder and the rotating ladder separately, in the use state, the rotating ladder is rotated to the bottom of the fixed ladder and is locked by the bolt positioning mechanism, in the non-use state, the rotating ladder can be rotated to the side close to the equipment, effectively leaving the ground space at the bottom of the ladder, without additional safety door, it can prevent non-operating personnel from climbing, and greatly improves the space utilization, avoids the long-term occupation of the ground area of the traditional integrated ladder, provides more sufficient space for material conveying, personnel walking and arrangement of other equipment, especially suitable for limited space and dense equipment working environment, optimizes the overall layout and improves the functionality of the working site.