30results about How to "Easy to reach in" patented technology

The invention provides a turning lifter for assembling an impeller of a wind generating set; the turning lifter comprises two scissor-shaped lifters; each scissor-shaped lifter comprises two rod pieces; the two rod pieces are crossed with each other, and are hinged through a hinged shaft; the rod pieces on one sides of the hinged shafts form scissor openings; the rod pieces on the other sides of the hinged shafts form scissor handles; holding structures are arranged at the ends of two supporting rods on one sides of the scissor openings, and are matched with the shapes and / or structures of corresponding places of wheel hubs of the impeller; telescopic devices are arranged between the two rod pieces on one sides of the scissor handles; fixed pieces of the telescopic devices are arranged on one of the rod pieces; the outer ends of telescopic pieces of the telescopic devices are fixed on the other one of the rod pieces; the telescopic devices are driven manually; unloading buckles are arranged on the rod pieces for connecting with slings which are connected with a crane. The turning lifter can implement the rabbit ear type impeller splicing; as the turning lifter is controlled by a manual mechanical system, the operation is simple, and the economy is good; the lifter is convenient for maintenance and use, and is flexible and convenient for disassembly.

The invention discloses a yaw frame used for a helicopter dynamic flight simulator. The yaw frame adopts design of a box-frame welding structure, a reinforcement form of multiple vertical rib plates is adopted inside the yaw frame, and so, the strength and the rigidity of the structure are improved, and the quality is reduced at the same time; and compared with a frame type structure, the box-frame structure forms a closed bearing force, and the bearing force is more per unit mass. Compared with a cast structure, a selectable material is higher in strength, the thickness of the material is thinner, the material has no tissue defects, the cost can be reduced, a reinforced rib plate structure can be flexibly and rationally designed, and the strength and the rigidity of the structure are improved through a partially closed structure, the welding reliability is simultaneously enhanced, and requirements of strength, rigidity and light weight of the structure are satisfied. A reinforcing plate structure is externally attached to the bottom and a waist position of the yaw frame, which is beneficial to strengthen a structure of a bending position of the yaw frame and to improve the stress,and is beneficial to improve the strength and the rigidity of the structure b utilizing minimum materials. A counterweight is designed to match a center of mass of an overall yaw frame system near acenter line of a rotating shaft, in order to meet the requirements of rotation accuracy, reduction of eccentric load vibration, and the like.

The invention relates to articles of daily use and discloses a portable umbrella. The portable umbrella comprises an upper nest, an umbrella stem, an accommodating casing and an umbrella handle, wherein the accommodating casing is formed by at least two sections of annular cylinders through sealing and clamping, the annular cylinder at the innermost section is connected with the umbrella stem, and the annular cylinder at the outermost section is buckled and locked with the upper nest; the umbrella handle comprises a C-shaped section and a movable section, an annular structure is defined by the movable section and the C-shaped section, the C-shaped section comprises a connecting part provided with bulges and a rotating part provided with grooves, and the rotating part and the connecting part realize positioning through matching of the bulges and the grooves. The portable umbrella is provided with the folding type accommodating casing, and the accommodating casing is used for accommodating the umbrella, occupies small space, is pulled up and matched with the upper nest to accommodate the umbrella inside when in use, is sealed to guarantee that rainwater cannot leak and wet floors or bags and the like, and is simple and convenient to operate; by means of the umbrella handle with the annular structure, people can reply messages by a mobile phone urgently while holding the umbrella, contact points of the umbrella handle and the wall can be increased through rotation of the rotating part, and accordingly, the umbrella is enabled to lean against the wall stably.

The invention discloses a clamping device for banknote plates. The clamping device comprises a support, wherein a clamping and positioning device is arranged on the support and used for clamping the banknote plates; the clamping and positioning device comprises an upper clamping ring, a lower clamping ring and positioning mechanisms; the positioning mechanisms are arranged on the upper clamping ring and the lower clamping ring; the upper clamping ring and the lower clamping ring are connected through a middle shaft. Through the clamping device for banknote plates, the smooth plate surfaces of roller-type banknote plates after clamping can be effectively ensured, the clamping quality of the banknote plates can be also ensured; the printing quality of the banknote plates under a high-speed wheel transfer printing condition can be improved; the service life of the banknote plates can be prolonged.

The invention discloses a table tennis racket with the function of exercising the hands. The table tennis racket includes a racket plate, the lower side of the racket plate is fixedly connected with agrab handle, the two sides of the grab handle are provided with installation plates, the side, near the grab handle, of each installation plate is fixedly connected with two symmetrically arranged connection plates, the connection plates are connected with the grab handle through clamp connection mechanism, the sides, away from the connection plates, of the installation plates are connected withplatform plates through several first telescopic rods, the sides, away from the connection plates, of the installation plates are fixedly connected with installation covers, and the installation covers are rotatably connected with first bevel gears through first transmission shafts. By arranging the clamp connection structure, after playing table tennis, the installation plates can be convenientlyconnected with the grab handle through clamping, at this moment, the distance between grip frames on the two sides can be adjusted through a lifting mechanism according to the size of the user's palms, users thus conveniently put the hands in the grip frames, and massage and relaxation of muscles of the hands of the users is thus facilitated.

The present invention relates to a telescopic temperature-measuring head for measuring transmission medium temperature of buried pipeline. It is characterized by that after the tail portion of temperature-measuring head inserted into the pipeline from the temperature-measuring head mounting shell body fixedly connected with exterior of pipeline is passed through isolation valve, it is series-connected with spacing mechanism and movement mechanism, it can make pipe scraper or detector smoothly pass through and can ensure safety of the temperature-measuring head.

The invention discloses a bridge device, which comprises a base plate and a fixing plate arranged on the base plate, installation grooves are arranged around the bottom of the base plate, balls are installed in the installation grooves, and the base plate is located on the fixing plate. The left side of the plate is also provided with a sliding joint groove, the sliding joint frame is provided with a sliding joint frame that can slide left and right, the top of the sliding joint frame is provided with an upward slot, and a top plate is slidably arranged in the incoming slot, The right end of the top plate is fixedly connected with the fixed plate, the left end of the fixed plate is rotatably provided with a right turntable, and the right end of the right turntable is rotatably connected with the first electric rotating machine arranged in the fixed plate. The structure is relatively simple, the production cost is relatively low, and the operation is relatively simple, which greatly increases the grinding efficiency of cylindrical pipe fittings, reduces the waste of human resources, and has good grinding effect and high grinding precision, which meets the needs of modern production.

The invention discloses a high-efficiency bridge equipment, which comprises a bottom plate and a fixing plate arranged on the bottom plate, installation grooves are arranged around the bottom of the bottom plate, balls are installed in the installation grooves, and the bottom plate is located at the The left side of the fixed plate is also provided with a sliding joint groove, the sliding joint frame is provided with a sliding joint frame that can move left and right, the top of the sliding joint frame is provided with an upward groove, and the sliding joint frame is movably provided with a The top plate, the right end of the top plate is fixedly connected with the fixed plate, the left end of the fixed plate is rotatably provided with a right turntable, the right end of the right turntable is rotatably connected with the first electric rotating machine arranged in the fixed plate, The structure of the present invention is relatively simple, the production cost is relatively low, and the operation is relatively simple, which greatly increases the grinding efficiency of cylindrical pipe fittings, reduces the waste of human resources, and has good grinding effect and high grinding precision, which meets the requirements of modern production. need.

The invention discloses a granary for grain storage which is convenient for moving and transporting. A high-pressure centrifugal fan is fixedly connected to the lower surface of the horizontal plate, and the suction end of the high-pressure centrifugal fan communicates with one end of the hose. The granary for grain storage, which is convenient for moving and transferring, is provided with electric push rods. When the two electric push rods are extended or shortened, the two electric push rods drive the two connecting plates to rotate around the auxiliary device through the two movable devices, so that the belt It can be easily erected to the through hole of the granary, and then the grain in the granary is extracted through the high-pressure centrifugal fan, hose and suction nozzle and transported to the belt through the iron pipe, grain storage bucket and cloth bag, and the belt rotates to transport the grain to the car, In this way, it becomes very convenient to transport food, and at the same time reduces the labor intensity of people.

The invention discloses a piano key cover back grooving machine. The piano key cover back grooving machine comprises an equipment body, a motor and a transmission platform. Supporting feet are fixedlyarranged on two sides of the bottom end of the equipment body. The motor is arranged at the lower end of a hydraulic cylinder. The transmission platform is mounted at the middle of a frame. Supporting blocks are fixedly arranged on two sides of the transmission platform. An anti-dust cover is mounted at the top ends of the supporting blocks. A reserved hole is formed in the upper end of the anti-dust cover. Rotating wheels are mounted on the inner sides of the bottom ends of the supporting blocks. A base plate is arranged at the upper end of the transmission platform. A template is mounted onthe inner side of each groove. Placing holes are formed in the templates. Piano key bodies are arranged in the placing holes. Baffles are mounted above the piano key bodies. According to the piano key cover back grooving machine, through arrangement of the base plate, a plurality of piano keys can be grooved, piano key cover back grooving efficiency is improved, piano key fixing is improved, position deviation dusting groove is prevented, and raw material waste is prevented.

The invention relates to a clamping device for porcelain glazing, which includes a clamping rod, a support tube, a clamping claw and a controller. There is a handle on the clamping rod, and a brake handle is hinged under the handle. The support tube is The tube body, the annular array at the top of the support tube has a plurality of outwardly inclined support claws, the clamping claw is a rod body, the controller includes a control claw and a brake line, the control claw includes a collar and a control rod, and the clamping claw is in the When the brake handle is not under force, it moves closer to the second vertical pipe, and the free end of the clamping claw shrinks toward the center of the second vertical pipe, so that it can be easily inserted into the blank with a narrow opening. When the supporting claw touches the bottom of the blank bottle, tighten it manually Brake handle, the brake handle pulls the brake line, so that the connecting rod drives the collar to slide down. When the collar slides down, the control rod pulls the clamping claws to prop up around, and is stuck on the shoulder of the bottle. Together with the supporting claws, the narrow The blank of the mouth is clamped stably, and the inner and outer walls are glazed at one time, which saves time and effort.

The invention discloses dust collector equipment which comprises a power transmission rack, wherein leg rods are fixedly mounted around the bottom of the power transmission rack; universal wheels are mounted at the bottoms of the leg rods in a rolling manner; a socket provided with a leftward open end is arranged on the power transmission rack; a power transmission port is formed at the right end part of the socket; a clamping groove provided with a leftward open end and communicated with the outside of the power transmission rack is formed in the bottom end part of the socket; and a first sliding transport groove is formed in the bottom end part of the right side of the clamping groove. The dust collector equipment is simple in overall structure; opening and closing operation of the power transmission port is simple and convenient; an electric shock accident during use of a dust collector is effectively reduced; the life safety of people is effectively ensured; and the dust collector equipment is suitable for popularization and use.

The invention provides a turning lifter for assembling an impeller of a wind generating set; the turning lifter comprises two scissor-shaped lifters; each scissor-shaped lifter comprises two rod pieces; the two rod pieces are crossed with each other, and are hinged through a hinged shaft; the rod pieces on one sides of the hinged shafts form scissor openings; the rod pieces on the other sides of the hinged shafts form scissor handles; holding structures are arranged at the ends of two supporting rods on one sides of the scissor openings, and are matched with the shapes and / or structures of corresponding places of wheel hubs of the impeller; telescopic devices are arranged between the two rod pieces on one sides of the scissor handles; fixed pieces of the telescopic devices are arranged on one of the rod pieces; the outer ends of telescopic pieces of the telescopic devices are fixed on the other one of the rod pieces; the telescopic devices are driven manually; unloading buckles are arranged on the rod pieces for connecting with slings which are connected with a crane. The turning lifter can implement the rabbit ear type impeller splicing; as the turning lifter is controlled by a manual mechanical system, the operation is simple, and the economy is good; the lifter is convenient for maintenance and use, and is flexible and convenient for disassembly.

The invention discloses a positioning assistive device and a hollow beam provided with the positioning assistive device, and relates to the technical field of guy rope hanging basket construction. Thepositioning assistive device comprises a body, a prism arranged on the body, two sliding cavities formed in the same side of the body and two abutting blocks, wherein the two sliding cavities are correspondingly formed in the left side and the right side of the prism, and the sliding cavities and the prism are correspondingly arranged on the two sides of the body; an elastic piece is connected tothe side wall, close to the other sliding cavity, of the sliding cavity; and the two abutting blocks are correspondingly and slidably assembled in the two sliding cavities and connected with the elastic piece, and part of the structures of the abutting blocks extend out of the sliding cavities. According to the positioning assistive device, the position of the hollow part of the hollow beam can be rapidly positioned and accurately measured.