52results about How to "Avoid moving down" patented technology

The invention discloses a wire lifting device of a power transmission line aerial wire. The wire lifting device comprises a supporting seat, wherein the middle of the supporting seat is hinged to a lifting lever; the tail end of the lifting lever is provided with a wire tightening device; the middle of a connecting plate is provided with a supporting cylinder; one end of the supporting cylinder is connected with the lifting lever; the other end of the supporting plate is arranged in the supporting cylinder and is hinged to the supporting cylinder through a hinge pin; the upper section of the outer wall of the supporting cylinder is provided with an opening, along an axis direction of the supporting cylinder, for the supporting plate to freely pass. The supporting seat, the lifting lever, the supporting plate, the connecting plate, the supporting cylinder and the wire tightening device are used for forming a hoisting structure, and the hoisting structure directly abandons a traditional wire lifting way, a wire sliding down from an insulator is clamped by a hook on the wire tightening device, a wrench is manually vertically swung to realize the vertical movement of the hook, i.e., the wire is driven to lift, and the wire is wound on the insulator again through artificial regulation.

The invention belongs to the field of biotechnology seeding instruments, and particularly relates to a magnetic pressure control type arabidopsis dibbling instrument, so as to solve the technical problems that traditional arabidopsis seeding needs a large amount of labor force and workload, and the seeding time is long. The device is composed of a seed cavity (1), a seed outlet (2), a push handle (3), a push rod (4), a push cylinder (5), a sleeve (6), a reinforcing rib (7), a spring (8), a push needle (9), a needle cylinder (10), a fixing piece (11), a limiting piece (12), a spring piece (13), a rubber pad (14), a cavity opening (15), a magnetic block (16), a connecting rib (17) and a connecting opening (18). The seeder has the beneficial technical effects that only one seed is sown at a time, and the seeding is convenient, quick and labor-saving.

The invention relates to the field of furniture manufacturing, and discloses a wood polishing device which comprises a machine frame. A positioning barrel is fixedly connected to the top of the machine frame, the middle of the positioning barrel is movably sleeved with a rack, one end of the rack is fixedly connected with a supporting plate located above the positioning barrel, the other end of the rack penetrates through and extends into the positioning barrel and is fixedly connected with a fixing block located in the positioning barrel, the two sides of the fixing block are in sliding connection with the inner wall of the positioning barrel, the side face of the positioning barrel is provided with a rocking rod, and one end of the rocking rod penetrates through and extends into the positioning barrel and is fixedly connected with a rolling gear inside the positioning barrel. According to the wood polishing device, the labor cost can be saved, polishing precision is high, and the height of a workbench and the position of a polishing head can be adjusted so as to meet polishing requirements of wood in various shapes.

The invention relates to the technical field of LED devices and discloses an LED desk lamp with the height capable of being stably adjusted. The LED desk lamp with the height capable of being stably adjusted comprises a base; an installing plate is fixedly connected to the upper surface of the base; a fixed plate is fixedly connected to the upper surface of the installing plate; an inner groove isformed in the fixed plate; a through groove communicated with the inner groove is formed in the top of the fixed plate; a movable plate is connected in the through groove in an inserted manner; the bottom of the movable plate extends to the inner groove and is fixedly connected with a baffle located in the inner groove; and the two side faces of the baffle are each provided with an insetting groove. According to the LED desk lamp with the height capable of being stably adjusted, by arranging a fastening nut, a limiting ball, a telescopic spring and a limiting groove, limiting and speed reducing are performed in the adjusting process through the limiting groove and the limiting ball, and therefore stability is enhanced; and meanwhile, in cooperation with the fastening nut, fixing on the movable plate can be more stable, that the phenomenon that because an LED lamp bulb bears the gravity, the movable plate moves downwards is prevented, and therefore the effect of stably adjusting the height is achieved.

The invention relates to a detector, and especially to an automobile tyre performance detector which can detect automobile tyre performances automatically and is time-saving and labor-saving. The automobile tyre performance detector comprises a U-shaped frame, first springs, a rough pavement, a high-temperature pavement, a low-temperature pavement, a first slide rail, a first slide block, a screw,a second slide rail and a second slide block, the inner bottom of the U-shaped frame is connected with the first springs uniformly from eight front to back and left to right, and the top end of the first spring in the front side is connected with the rough pavement. An automobile tyre body rotates on the rough, high-temperature and low-temperature pavements to make friction, the wearing degree ofthe automobile tyre body is observed, namely, the automobile tyre performance can be detected automatically, it is not required to drive an automobile to roll the tyre on the pavements, and time andlabor are saved.

The invention discloses a convenient black tea brick pressing machine. The convenient black tea brick pressing machine comprises a main body; a base is fixedly connected with a bottom end of the mainbody; a plurality of first through holes are formed between the main body and the base; an annular groove is in embedded connection with the interior of the main body; a support frame is fixedly connected with a top end of the main body; a brick pressing mechanism is installed inside the support frame; a guide tube is provided inside the brick pressing mechanism; and the guide tube is in embeddedconnection with a top end of the support frame. According to the convenient black tea brick pressing machine, under the action of the brick pressing mechanism, a gear is driven to rotate through rotation of a crank handle; a toothed bar is driven to move downward by the rotating gear; a press block is driven to move downward by the toothed bar, so that extrusion is performed on black tea in the annular groove by the press block so as to have the black tea molded by extruding-aggregating; and the crank handle is rotated so as to have height of the press block adjusted, thereby adjusting pressure of the press block on the annular groove, so that thickness of the tea bricks are subjected to flexible adjustment.

An integrated climbing assistance and fall braking system and method to assist a user in climbing ladders and vertical paths is disclosed. The integrated system includes a controller connected to a user's tether, a fixed fall brake cable, and a movable climb assist strap. The connection of the fall braking component and the climbing assistance component may include physical connection, electronic connection, communication, or any combination thereof. The climb assist strap can be driven by a motor to provide an upward climb assist force to a user along a vertical path. The motor can be dynamically adjusted to continuously provide a certain degree of climbing assistance. The integrated controller is also configured to mechanically detect downward movement and engage the overspeed brake mechanism when a threshold speed or acceleration is detected.

The invention discloses a filter with an integrated NFC chip. The filter comprises a filter recoverable structure and the integrated NFC chip; the filter recoverable structure comprises a filter element; the filter recoverable structure further comprises an operation main body, a shell and a tensioning main body; the operation main body and the shell are installed together in a sliding mode; the upper end of the tensioning main body is hung at the side end of the operation main body; the tensioning main body is installed on the outer wall of the shell in a sliding and sleeving mode; the lower end of the tensioning main body is fixedly connected to the outer end of the lower portion of the filter element; the filter element is located on the inner side of the shell; the lower portion of the filter element and the shell are extruded together in a sealed mode; the lower end of the middle of the operation main body and the shell are extruded together; and the operation main body comprises a bolt, a pulling frame, a hanging hole, a sliding hole and a threaded hole, wherein the bolt is installed at the inner end of the threaded hole in a threaded mode. The invention belongs to the technical field of filter equipment. The filter element in the filter can be conveniently replaced, so that the use requirement can be better met.

The invention discloses a crawling device for mounting of hydroelectric equipment, and relates to the technical field of hydropower equipment. The crawling device comprises two first fixing columns, first pedals arrayed at equal distances are placed between the two first fixing columns, and the left side faces and the right side faces of the first pedals are fixedly connected with the side faces,close to each other, of the two first fixing columns correspondingly; and adjusting mechanisms are arranged inside the two first fixing columns correspondingly, and the front faces of the adjusting mechanisms are fixedly connected with fixing mechanisms. According to the crawling device, through arrangement of a forward and reverse rotating motor and cooperative use of threaded rods, threaded pipes, second sliding rings, electric push rods and strong springs, the threaded rods can be effectively driven to rotate through rotation of the forward and reverse rotating motor, the threaded rods arein threaded connection with the threaded pipes to drive moving of the threaded pipes, meanwhile, second sliding rods are pushed by elasticity of the strong springs to move to complete fixing of the threaded pipes, thus the crawling device is more conveniently adjusted, and the problem that an existing crawling device for mounting of the hydroelectric equipment is inconvenient to use is solved.

The invention relates to the technical field of travel products, and discloses a negative pressure type leech remover and using method. The negative pressure type leech remover comprises a sealing pipe, a sliding sleeve, a piston, a pull rod, nine clamping grooves, a pull block, a communicating pipe, a suction cup, a beating mechanism, a fixing mechanism and a storage battery. The sliding sleeve is embedded in the middle of the top of the sealing pipe. The piston is slidably connected into the sealing pipe. The pull rod is installed at the top of the piston. The top of the pull rod penetratesthrough the sliding sleeve and extends to the top of the sealing pipe. The pull block is fixed to the top of the pull rod. The nine clamping grooves are formed in the right side of the pull rod at equal intervals. The communicating pipe fixedly communicates with the bottom of the sealing pipe. According to the negative pressure type leech remover and using method, negative pressure can be generated in the suction cup to adsorb the skin, on one hand, a leech can be separated from the skin more quickly, and on the other hand, after the leech is separated from the skin, blood in the skin adsorbedby the leech can be sucked out, the possibility of wound infection is prevented, and the device is convenient to use, sanitary, safe and convenient to carry.

The invention discloses a fish-bellied crane beam, and belongs to the technical field of workshop construction. The fish-bellied crane beam is characterized in that the surface of an arc-shaped plateis fixedly connected with supporting rods, the surfaces of the supporting rods are fixedly connected with cross rods and inclined rods, the other ends of the supporting rods are fixedly connected witha top plate, a top beam is installed on one surface of the top plate, and two symmetrical connecting bases are clamped into the two ends of the top plate respectively. The connecting bases, the top beam and the arc-shaped plate of the fish-bellied crane beam have the functions of disassembly and assembly, batch transportation and movement are facilitated, the arc-shaped plate can be quickly pre-positioned through limiting blocks, positioning grooves and positioning blocks, workers can conveniently and quickly assemble the crane beam, the construction efficiency of the crane beam is improved,adjusting plates arranged between the connecting bases and fixed bases can be increased or decreased according to actual requirements, so that the horizontal positions of different connecting bases can be quickly calibrated, and the workers can quickly calibrate the horizontal mounting position of the crane beam conveniently.

The invention discloses a suspensible portable ammeter, and belongs to the technical field of measuring instruments.The surface of an ammeter body is sleeved with an anti-collision sleeve, a mounting groove is formed in the anti-collision sleeve, the inner wall of the mounting groove makes contact with and extrudes the surface of the ammeter body, one end of the anti-collision sleeve is provided with an anti-falling sleeve, and one end of the anti-falling sleeve is provided with a sleeve hole communicated with the mounting groove; a plug is sleeved in the sleeve hole, one end of the plug is inserted into the jack of the ammeter body, the other end of the plug is fixedly connected with a lead, and the other end of the lead is fixedly connected with a measuring pen. According to the suspensible portable ammeter, the anti-collision sleeve is provided with a hanging ring and a clamping plate,so that user can conveniently hang and carry the ammeter; The anti-collision sleeve is convenient to assemble and disassemble, the anti-falling and anti-collision performance of the ammeter can be improved, the clamping block and the connecting column arranged on the anti-collision sleeve not only facilitate fixing of the measuring pen, but also can wind the wire, and the use convenience of the ammeter is improved.

The invention discloses a wire lifting device of a power transmission line aerial wire. The wire lifting device comprises a supporting seat, wherein the middle of the supporting seat is hinged to a lifting lever; the tail end of the lifting lever is provided with a wire tightening device; the middle of a connecting plate is provided with a supporting cylinder; one end of the supporting cylinder is connected with the lifting lever; the other end of the supporting plate is arranged in the supporting cylinder and is hinged to the supporting cylinder through a hinge pin; the upper section of the outer wall of the supporting cylinder is provided with an opening, along an axis direction of the supporting cylinder, for the supporting plate to freely pass. The supporting seat, the lifting lever, the supporting plate, the connecting plate, the supporting cylinder and the wire tightening device are used for forming a hoisting structure, and the hoisting structure directly abandons a traditional wire lifting way, a wire sliding down from an insulator is clamped by a hook on the wire tightening device, a wrench is manually vertically swung to realize the vertical movement of the hook, i.e., the wire is driven to lift, and the wire is wound on the insulator again through artificial regulation.

The deep cleaning construction method for the channel slope comprises the following steps that (1) the cavitation jet cleaning trolley is in place on the channel slope; (2) injecting water into the clear water tank; (3) carrying out deep cleaning operation on algae mud on the side slope of the channel; and (4) after the clean water in the clean water tank is used up, repeating the step (2). And (5) pouring the sewage collecting box after the sewage collecting box is filled with the algae mud mixture. And (6) the truck is driven to the operation site, the steps (1)-(5) are repeated, and the next cycle of operation process is carried out. The device is reasonable in design, easy to manufacture, low in cost and large in jet flow coverage area, the cleaning efficiency of the channel slope is improved, the service life of each part is longer, and the cleaning effect is greatly enhanced. The sewage collecting tank and the clean water tank are more reasonable in layout, the sewage collecting tank is large in size, the clearing operation construction process is environmentally friendly, the requirement for ecologically clearing the algae mud mixture is met, and the method has great significance in guaranteeing the channel water quality and water conveying safety.

The invention discloses an intelligent home service system for children and relates to the technical field of home. The intelligent home service system for children comprises a body. The middle of oneside of the body is fixedly mounted with a display both sides of which are provided with power indicators. The middle of the bottom end of the body is fixedly connected with a control box both sidesof which are provided with fixing blocks. Sliding grooves are formed on one side of the fixing blocks, and sliding blocks are movably connected inside the sliding grooves. The middle of the top ends of the sliding blocks are fixedly connected with limiting blocks. Movable grooves are formed in the bottom ends of the fixing blocks, and balls are attached inside the movable grooves. The intelligenthome service system for children can display the temperature of the body through the display, can indicate whether the body works normally or not through the power indicator, and can reduce the friction of the sliding blocks through the sliding grooves. Therefore, the limiting blocks are attached to the fixing blocks, and the limiting blocks can be prevented from being separated from the fixing blocks when sliding.