61results about How to "Flexible installation and disassembly" patented technology

The invention relates to a satellite structure in the field of spaceflight, in particular to a nano satellite structure with a self-carrying launching function. The invention solves the problems that an independent carrying launching system needs to be designed for launch of an existing nano satellite and the utilization rate of the existing nano satellite cannot be improved. The invention adopts the technical scheme of constructing a novel structure which comprises a satellite structural frame, a satellite external mask, a micro-separation part, a satellite platform equipment part and a satellite payload. The satellite platform equipment part and the satellite payload are arranged on the satellite structural frame and the satellite external mask; a nano satellite is connected and fixed to a primary component carried with the nano satellite by the micro-separation part; an L-shaped positioning block and a pin pulling type bolt are respectively arranged on the upper and lower surfaces of a separation surface mask of the primary component carried with the nano satellite for carrying out connection and fixing on the nano satellite; and after the primary component carried with the nano satellite enters a preset orbit, a fixed pin is removed by a pin puller inside the pin pulling type bolt and the nano satellite is released. The nano satellite structure has universality and the carrying launch of the nano satellite can be completed only by installing the micro-separation part on the primary component carried with the nano satellite.

The invention relates to a prestressed tension device for a fiber sheet. The prestressed tension device comprises an adjustable support, a digital display torque wrench, a sleeve and a clamping plate. The adjustable support is formed by connecting a first support body and a second support body through screws and nuts, the fiber sheet is clamped and fixed to the support body on one side of the adjustable support through the clamping plate, the torque wrench is matched with the sleeve to adjust the nuts, the distance between the support bodies is changed accordingly, and the fiber sheet is tensioned. According to the prestressed tension method based on the prestressed tension device for the fiber sheet, prestressed tension of the fiber sheet is achieved by adjusting the screws and the nuts, and fastening tension is controlled through the digital display torque wrench. Compared with the prior art, the prestressed tension device and method have the advantages that the device is simple in structure, flexible in mounting and disassembling, low in manufacturing cost and capable of being repeatedly used; the construction method is simple and practicable, operation can be carried out by one worker, tensioning force is accurately controlled, and construction efficiency is remarkably improved.

The invention relates to the technical field of wooden door production, in particular to a movable core plate wooden door. The movable core plate wooden door is structurally composed of a door leaf frame, a door core plate, convex embedding positions, concave embedding grooves and fixing strips. The convex embedding positions are arranged on the upper face, the left side and the right side of thedoor core plate; the concave embedding grooves are formed in the positions, corresponding to the mounting position of the door core plate, on the door leaf frame, and the door core plate is embedded into the concave embedding grooves in the door leaf frame through the convex embedding positions; and the lower face of the door core plate is fixed to the door leaf frame through screws. The structureis simple, operation is easy, and the parts of the wooden door can be mounted and demounted flexibly; painting treatment before production is facilitated, the attraction degree of the wooden door isincreased, and mounting is convenient; the after-sale service of the wooden door is facilitated, the door core plate is of a movably-inlaid structure, thus, demounting is rapid and convenient, and anydestructive influence on the wooden door is avoided; and door core plate extending and retracting spaces are reserved in the concave embedding grooves, and elastic buffer strips are arranged in the concave embedding grooves, so that the stability of the wooden door is improved greatly, the wooden door is prevented from deforming and cracking, and the service life of the wooden door is prolonged.

The present invention discloses a clamper for clamping an I-steel. The clamper comprises a bracket (5) and a clamper body, wherein the clamper body comprises a guide plate (3), a clamping plate (2) and a fixing bolt (1), and the clamping plate (2) is provided with a through hole and is fixed on the flange of an I-steel (6) through the fixing bolt. The clamper is characterized in that the guide plate (3) is the I shape with the recessed both sides, the recessed positions on both sides are embedded on the guide rail (4) of the bracket (5), and the clamping plate (2) forms a hinged connection on the guide plate (3). According to the present invention, the clamping plate and the guide plate of the clamper body adopt the active connection so as to conveniently and rapidly assemble and disassemble, the guide plate can slide along the length direction of the bracket so as to clamp the I-steels with different types, characteristics of strong adaptability, reasonable design, simple structure, easy installation and flexible clamping disassembly are provided, and the steel beam of the I-steel can be effectively clamped and snapped so as to avoid falling of the I-steel.

The invention discloses an integral mounting device for an inclined surface pipeline. The integral mounting device comprises a support body and inclined rod assemblies, wherein the support body comprises a first support and a second support, the first support and the second support correspondingly comprise horizontal bottom plates, vertical adjusting frames and bracket bases, the vertical adjusting frames are symmetrically arranged at the left end and the right end of the horizontal bottom plate, the two vertical adjusting frames are correspondingly connected with the support bases, the two inclined rod assemblies correspondingly comprise clamping seats, rotating frames and inclined rods, the clamping seats are connected with the rotating frames, and the inclined rods are clamped in the clamping seats. The integral mounting device is simple in structure, high in practicability, ingenious and reasonable in structural design and convenient to use and operate, the pipelines are supportedand fixed through the design of the support body, so that the installation of the pipelines is more firm, the pipelines installed on the first support and the second support can be adjusted in heightaccording to actual requirements, meanwhile, the inclined rod assemblies are used in a match mode, so that the pipelines placed on the first support and the second support can be ensured to be on thesame inclined plane, and the follow-up construction operation is effectively facilitated.

The invention discloses a large-specification veneer aluminum plate showing wall installation system and a construction method thereof. The large-specification veneer aluminum plate showing wall installation system comprises base layer frameworks, a plurality of connecting assemblies and an aluminum plate and is characterized in that the connecting assemblies comprise corner brace connecting fixing pieces and leveling movable fixing pieces; the corner brace connecting fixing pieces are connected with angle steel through anchor bolts; the angle steel is fixed to the base layer frameworks; folded edges are arranged at the upper ends and the lower ends of the corner brace connecting fixing pieces; the folded edges at one ends are provided with fixing holes, and the folded edges at the other ends are provided with adjusting holes; one sides of the leveling movable fixing pieces are fixed to the aluminum plate through aluminum plate fixing pieces, and the upper ends and the lower ends of the other sides of the leveling movable fixing pieces are connected with connecting edges matched with the folded edges of the corner brace connecting fixing pieces; and the corner brace connecting fixing pieces and the leveling movable fixing pieces are fixed through bolts. According to the large-specification veneer aluminum plate showing wall installation system and the construction method thereof, the leveling movable fixing pieces are horizontally moved by a distance relative to the corner brace connecting fixing pieces so that leveling of the flatness of the aluminum plate can be achieved; and operation is convenient, flexibility is high, and the overall effect of a wall face can be easily improved.

The invention discloses a vertical wind measuring frame based on a multi-channel anemometer. As there is a need to measure the horizontal wind speeds and directions at different heights in the vertical direction in a shelterbelt net for the research on the shelter effect of shelterbelts in forestry, the vertical wind measuring frame is designed especially. The vertical wind measuring frame is composed of a main frame, solid steel rods, a transverse frame, T-shaped screws, a base, U-type semi-rings, T-shaped screws, long steel wire pull fibers, short steel wire pull fibers, U-type clips, and ground nails. The main frame is composed of three sections of steel pipes which are connected by the solid steel rods. The height of the transverse frame can be adjusted randomly. A wind cup and a wind vane can be installed on the transverse frame. The T-shaped screws can be used to fix the transverse frame and the wind cup. The U-type semi-rings, the base, the pull fibers, the U-type clips and the ground nails are used to fix the main frame and prevent the main frame from being blown down by strong wind. The design structure is simple and light, and is easy to use and transport. The height can be adjusted randomly within the total length range of the main frame. The experimental requirement for measurement of wind speed and direction in the vertical direction is satisfied. Convenience is brought to forestry workers. The vertical wind measuring frame can be widely promoted and used.

The invention discloses a small punch testing system based on an acoustic emission sensor and a testing method thereof. The small punch testing system comprises a loading system, a clamping device, asound-emission sensing system, a suspension girder arm, and a smelting furnace. The system has the characteristics of high accuracy, compact structure, flexible installation and dismounting, corrosionresistance, high bearing performance, and long service life and the like.

Provided are a splicing type enclosing wall, a fence structure and a construction method thereof. A splicing structure comprises base supporting plates, PVC sand box bases, surface layer fixing plates, fixed bolts, an enclosing wall/fence. The plurality of base supporting plates are spliced to form an integral foundation slab, the plurality of PVC sand box bases are spliced and placed on the base supporting plates, the plurality of fixed bolts are fixed to the base supporting plates and penetrate the PVC sand box bases, the upper ends of the fixed bolts penetrate out of the PVC sand box bases, the surface layer fixing plates are placed at the upper ends of the PVC sand box bases and sleeve and are connected to the fixed bolts, the enclosing wall/fence is arranged on the surface layer fixing plates, and enclosing wall/fence fixing parts sleeve and are connected with the fixed bolts. The enclosing wall/fence, the surface layer fixing plates, the PVC sand box bases and the base supporting plates are fixedly connected through fixed nuts. The splicing type enclosing wall and the fence structure are simple in structure, save materials, are convenient to install and good in fixing effect and can be reused.

The invention discloses a mountable and dismountable foreign language learning intelligent system device and an installation method and belongs to the communication technology, computer application, smart device, and foreign language teaching technology field. With the mountable and dismountable foreign language learning intelligent system device and installation method of the invention adopted, the problem that current foreign language learning devices are inconvenient to carry and use, and cannot stimulate learning interest and are unlikely realize effective foreign language memorization. The method includes the following steps that: an object information collecting device intelligently recognizes various non-text objects collected in a living scene without being limited by distances, and an intelligent learning processing end device converts object information to be processed into stored and preset foreign language type characters in real time, and the stored and preset foreign language type characters are displayed on a foreign language display device; and a foreign language learning system is externally connected onto application products made of other materials through a learning device, and the foreign language learning system can be installed on a variety of different application products, and therefore, flexible installation and disassembly and a repeated use effect can be achieved.

The invention provides a plate edge searching method and system of a laser cutting machine, and relates to the technical field of laser cutting. The plate edge searching method is divided into a camera calibration part and a plate edge searching part. A camera, a light source and a protective cover are integrated; distortion correction is carried out on the camera; a visual kit is installed at a proper position of a laser head; automatic calibration is carried out, and the coordinate difference between the laser head and the camera, the tiny deviation angle caused in the camera installation process and the proportionality coefficient of the real world and the pixel world can be obtained through calibration; the laser head is moved to a mechanical origin position, picture taking is conducted, a rough coordinate of an angular point of a plate is calculated, and the camera view center is moved to a coordinate position; picture taking is conducted, the accurate coordinate of the angular point of the plate and the inclination angle of the plate are calculated, and the laser head is moved to the position over the angular point of the plate; and the edge searching precision is verified through a frame, the cutting precision is improved, the position corresponding to the laser head is arranged according to actual needs, the occupied space is smaller, mounting and dismounting are flexible, and protection is in place.