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

The invention discloses a solar energy storage, ventilation and heating system, which comprises a heat storage wall composed of a heat-insulation layer, a heat storage layer and an aluminum plate painted with black paint, a heat storage ventilation channel or a combination thereof, which are sequentially arranged on the outer side of the external wall of a building; a transparent cover plate arranged on the outer side of the heat storage wall or the heat storage ventilation channel; an air sandwich between the transparent cover plate and the heat storage wall; and an upper vent and a lower vent having valves and arranged on the transparent cover plate and the heat storage wall. The solar energy storage, ventilation and heating system can achieve intermittent ventilation and heating without consuming non-renewable energy by using the special heat absorption and release functions of a phase-change heat storage material and by controlling the valves of the vents. The system has the advantages of energy conservation, environmental protection, simple control and handsome structure, and can be widely used for common residential buildings and public buildings.

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 discloses an integration method of steel tube inner wall and outer wall powder spraying, curing and film-forming and a device thereof. In the method, mobile spraying and heating equipment is used to simultaneously carry out powder spraying, heating and curing, and a traction device is adopted to carry out heating and spraying with uniform speed under a set temperature on a steel tube. The integrated device comprises electrostatic spraying equipment, an air pump, a section of rail, a rail car integrating heating and spraying and a rail car and internal spray gun traction device. The steel tube is erected in the middle of the rail along the rail direction, the rail car spans the steel tube, an internal spray gun is arranged in the steel tube, a rail car and internal spray gun bracket is connected to the traction device through a steel wire rope, an electromagnetic induction power box is arranged at the upper part of the rail car, an electromagnetic heating cylinder and an external spray gun are fixed in the rail car, the air pump is connected to the electrostatic spraying equipment through a ventilating duct, and the electrostatic spraying equipment is connected to the rail car and the internal spray gun through powder transport hoses. The device has compact and reasonable structure, adopts a method of ultrasonic frequency electromagnetic mobile heating, synchronously sprays the inner wall and the outer wall of the steel tube, has the advantages of high processing product quality, field processing as well as steel tube weld bore and raw material process treatment, simplifies the pretreatment process, enhances the heat efficiency and lowers the cost.

The invention relates to a device and a method for mounting a belt conveyer adhesive tape. The device comprises a host and a middle switching guiding device; a new adhesive tape wound roll, an old adhesive tape wound roll and a wire cable wound roll assembly are arranged on the base frame of a same host machine; the driving mechanism of the old adhesive tape wound roll is connected with a cycloidal planetary gear speed reducer by a drive chain and a transmission shaft; the cycloidal planetary gear speed reducer is connected with the wire cable wound roll by the transmission shaft; and the middle switching guiding device is arranged on one point at the middle part of a belt conveyer. A cut point is discretionarily arranged on the old adhesive tape of the belt conveyer between the host machine and the middle switching guiding device; the two sides of the cut point respectively connect the old adhesive tape with the wire cable by the drawstring clamp of the wire cable and connect the old adhesive tape with the new adhesive tape by the connecting clamp of a new belt and an old belt. Therefore, by a switchable hand--electric conversion device, the invention can realize fast power output switch from the drawstring of the wire cable to the old adhesive tape wound roll. The invention has the advantages that structure is compact, loading and unloading are flexible, and the paving of the new adhesive tape and the rolling of the old adhesive tape can be synchronously carried out.

The invention relates to a bypass protection device for a high-voltage DC circuit breaker and a protection method thereof. The bypass protection device comprises a thyristor valve and a bridge type over-voltage protection circuit. The bridge type over-voltage protection circuit is connected between thyristors in anti-parallel connection with each other inside the thyristor valve. The two ends of each H-bridge sub-module of a main branch are connected in parallel with the thyristor valve. By means of the bypass protection device, during the abnormal shutting of the main branch of the circuit breaker, the circuit breaker is prevented from being damaged under the over-voltage effect of the sub-module. Namely, thyristors are connected in parallel with the sub-module of the main branch, wherein the thyristors are in compression joint in forward and reverse directions. During the normal operation, the current is switched on by a mechanical switch. During the occurrence of a fault, the current of the main branch is converted to the branch of a power electronic device in parallel connection with the main branch. After that, the current is switched off by the power electronic device. During the over-voltage period of the main branch, the thyristors are triggered, so that the current is enabled to pass through the thyristors to form a passageway. Therefore, the main branch is protected.

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 relates to the technical field of building construction equipment, and discloses a safety protection device for building construction, which comprises round steels and channel steels. One end of a steel wire is wound on one round steel, a channel steel fixes the steel wire and the round steel, a sheath is arranged near the channel steel and the steel wire, the other end of the steel wire is wound on the other round steel, both the other end of the steel wire and the other round steel are fixed by the other channel steel, and a plurality of steel wires and round steels and channel steels of a relevant proportion form the protection device with the horizontal plane of a steel wire mesh structure. The safety protection device has the advantages of flexible installation, removal and operation, simple assembly and disassembly, low cost and high protective security.

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 relates to a stepped coop. The stepped coop comprises a plurality of stepped dismountable cage shelves, a manure clearing machine arranged at one end of the coop, and a manure belt tensioning device arranged at the other end of the coop, wherein the adjacent stepped dismountable cage shelves are connected through cage shelf cross beams, and a cage net is arranged in the structure formed by the stepped dismountable cage shelves and the cage shelf cross beams. The stepped coop has the advantages that cage shelve reinforcing ribs are arranged at the lower ends of the positions where the cross beams are connected with cage legs, so that the cage shelves are stable and durable; a first side plate and adjusting plate combined structure is adopted, and a second side plate is of a fixed structure, so that the problem that installation and adjustment of side plates of an existing manure clearing machine frame are complicated is solved; a spiral shaft provided with a spiral body is adopted for rotation and matched with a pressing shaft, tensioning and pressing of a manure belt are achieved, the structure is simple, installation is convenient, and the service life of the manure belt is prolonged.

The invention provides a pipe inner wall polishing method. A polishing fluid is injected in a petroleum elbow pipe which is clamped and fixed; a steel rope is connected with a lifting lug; under the drive of a traction device, a polishing mechanism enters the elbow pipe; the polishing fluid flows out rapidly from the gap between the polishing mechanism and the elbow pipe inner wall; the polishing fluid works on the pipe wall and the high speed movement of abrasive particles can cut and remove corners or protrusions on the elbow pipe inner wall; the flowing polishing fluid drives an impeller to rotate freely and the impeller can jet part of the polishing fluid to the pipe wall through rotation; when the polishing fluid hits the pipe wall, scrap iron falling off from the pipe wall is cleaned; two oppositely arranged protection shells can support and protect the impeller during rapid flow of the polishing fluid; flow holes are formed in the protection shells symmetrically and the polishing fluid quickly enters an expanded section; after flowing through a straight and flat section, the speed of the polishing fluid further increases, so that the polishing fluid has a higher momentum when entering the area where the impeller is located.

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 provides an excavation drill high in precision and efficiency. The excavation drill comprises a connecting device, a fixed bolt, a drilling structure, an installing groove, a heat dissipation window, a center drill, a main drill and an auxiliary drill. The connecting device is installed on the upper portion of the drilling structure through the fixed bolt, the installing groove is disposed in the upper portion of the outer side of the drilling structure, the heat dissipation window is arranged on the lower portion of the installing groove, the center drill is installed at the bottom of the drilling structure, and the main drill or the auxiliary drill is installed on the outer side of the drilling structure. By arrangement of the connecting device, the drilling structure and the center drill, the installation stability of the drilling structure can be improved, the fastness degree in drilling work is enhanced, the failure rate of the drilling structure is reduced, drilling excavation precision and working efficiency are improved, and the excavation drill is flexible to install and dismantle, convenient and swift to maintain and long in service life.

The invention relates to a die cooling water pipe connector and belongs to the technical field of pipe connecting pieces. An external thread at one end of a connecting pipe of the water pipe connectoris fixedly connected with an internal thread of a pipe connector body, the other end of the connecting pipe is fixedly connected with a die through a thread, or a multipass O-shaped seal ring is in rotatable sealed connection with the die. An external thread at one end of an inner water inlet pipe is fixedly connected with the internal thread of the pipe connector body. A double-pass water outletO-shaped seal ring is sleeved with a water outlet sleeve type connector with a water outlet, and a double-pass water inlet O-shaped seal ring is sleeved with a water inlet sleeve type connector witha water inlet. Cooling water enters a water inlet through hole from the water inlet of the water inlet sleeve type connector and reaches a die water cavity through the inner water inlet pipe communicated with the water inlet through hole, and water cooled by a die water cavity wall is discharged out of an outer side annular channel of the inner water inlet pipe and a water outlet through hole to be discharged out of the water outlet of the water outlet sleeve type connector. The water pipe connector is simple and reasonable in structure, flexible to install and dismantle, good in sealing effect, wide in application area and low in replacement cost.

A ceiling system of reinforced light steel keels comprises main keels, auxiliary keels, hanging pieces arranged on the main keels or the auxiliary keels, and hanging rods arranged on the tops of the hanging pieces. The main keels and auxiliary keels are crossed longitudinally and transversely to form a ceiling face. Transverse rods and longitudinal rods which are crossed longitudinally and transversely are arranged above the ceiling face. The transverse rods and the longitudinal rods are orthogonally arranged on the hanging rods, and three inclined rods are arranged on the periphery of each intersection point. The two ends of each inclined rod are in lap joint with and fixed to two of the corresponding transverse rod, the corresponding longitudinal rod and the corresponding hanging rod. The situation that multiple rod pieces are welded to one point, and stress concentration is caused can be avoided. Every three inclined rods are obliquely arranged among the corresponding hanging rod, the corresponding transverse rod, the corresponding longitudinal rod, so that stress of the rods is reasonable, and the bearing capacity of the ceiling system is also better; meanwhile, the inclined rods, the transverse rods and the longitudinal rods are convenient to construct, flexible to assemble and disassemble and capable of being reused many times.

The invention discloses a pair of flexible flat tongs suitable for peeled cable detection. The pair of flexible flat tongs comprises a framework, a coil, a shielding layer, an outer insulating layer and a coil lead, the framework is of a flexible strip-shaped structure, and the two ends of the framework are detachably connected; the coil is wound outside the framework; the shielding layer wraps the coil; the outer insulating layer is coated outside the shielding layer; and one end of the coil lead is connected with the coil. The coil, the shielding layer and the outer insulating layer are sequentially arranged on the framework, the arranged framework is flexible and is of a strip-shaped structure, the detachable connection effect between the two ends of the framework is combined, self-rolling can be integrally achieved to form a sleeve ring, the sleeve ring can be arranged outside a cable to be detected in a sleeving mode, and signal receiving is achieved. By means of the design, installation and detachment are more flexible, the overall thickness can be made to be thin conveniently so as to better adapt to a to-be-detected cable which abuts against each other relatively and can pass through a narrow gap, and the applicability is improved.

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 portable solar lighting device which comprises a column and a cover plate. The portable solar lighting device is characterized in that a base is mounted at the top end of the column, the cover plate is arranged at the top end of the base, and a power generation panel is mounted on the upper end face of the cover plate. An LED light source serves as a light source of the base. The lower end of the column is tapered. The power generation panel can absorb light rays all day long to charge, so that energy utilization rate is high. The portable solar lighting device can be inserted into or pulled out of soil conveniently, and is flexible to mount and demount and convenient to move.

The invention relates to the technical field of a vehicle structure and discloses a vehicular kitchen device. The vehicular kitchen device comprises a kitchen operation room arranged in a vehicle body; the kitchen operation room comprises a lateral board, a top board and a bottom board; a door is arranged on the lateral board; and kitchen tools are respectively arranged inside and outside the kitchen operation room. The vehicular kitchen device provided by the invention has compact structure depending on structural arrangement inside the vehicle body; not too much space in the vehicle is occupied; internal and external spaces of the kitchen operation room are reasonably used; and basic tools are complete. Therefore, not only can a passenger conveniently have a meal in a trip, but also the operation efficiency of the vehicle is not influenced; and furthermore, the kitchen device is detachably mounted in the vehicle body, so that the vehicular kitchen device is convenient and flexible to mount and dismount.

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 relates to a suspended ceiling framework structure with an open type pipeline fixer. The suspended ceiling framework structure comprises connecting plates used for being fixedly connected with a roof, pipeline hoisting mechanisms, a pipeline pressing mechanism and a steel cable supporting mechanism. The multiple groups of pipeline hoisting mechanisms are connected between the connecting plates through a supporting rod structure, and are arranged in an array mode along the axis of a supporting rod, each pipeline hoisting mechanism comprises a hoisting hook, the middle of the hoisting hook is provided with a fixed opening for penetrating of a pipeline, the pipeline pressing mechanism comprises a sliding block B, the sliding block B is fixedly connected to the supporting rod structure in a sliding mode, the side face of the sliding block B is provided with a supporting protrusion, the top end of the supporting protrusion is provided with a pipeline pressing face, the steel cable supporting mechanism comprises a stable cable end fixing mechanism and a steel cable winch, a steel cable is tightened through the winch, therefore the cable between swing balls and a stable cable passing groove is contracted, the hoisting hook is driven to swing, and the pipeline is pressed between a pipeline contact face and the pipeline pressing face.

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.