35results about How to "Save assembly and disassembly time" patented technology

The invention provides an electronic device which comprises a flexible screen and a shell. The flexible screen is arranged on the shell, the shell comprises a first frame body, a second frame body anda rotating device, and the rotating device is connected between the first frame body and the second frame body and comprises at least one pair of rotating combinations and a gear combination locatedbetween the at least one pair of rotating combinations. Each rotating combination comprises a supporting frame, a rotating frame and a connecting rod. One end of the connecting rod is movably connected to the rotating frame, a driving gear meshed with the gear combination is arranged at the other end of the connecting rod, and the end, provided with the driving gear, of the connecting rod is rotationally connected to the supporting frame. The at least one rotating frame rotates relative to the corresponding supporting frame so as to drive the corresponding connecting rod to rotate to enable the driving gear of the connecting rod to rotate, and the driving gears drive the gear combination to rotate to achieve the synchronous rotation of the rotating frames so as to achieve the folding or unfolding of the first frame body and the second frame body. The invention further provides the rotating device and the shell provided with the rotating device.

The invention discloses a large earthed concrete tank dome steel support structure, comprising an all-round scaffold, a latticed column foundation, a standard segment jig, a support frame center disc,trusses and I-beams; the latticed column foundation is arranged in the center of a tank chamber; a plurality of latticed columns are fixedly connected to the latticed column foundation to form the standard segment jig; the support frame center disc is fixed to the uppermost latticed column; in construction of a last standard segment of a tank wall, embedded parts are necessarily embedded to weldsteel brackets; after the tank wall is cast and a formwork is removed, the steel brackets can be welded to embedded plates; one end of each truss is fixed to the corresponding bracket part on the tankwall of a concrete tank, and the other end of each truss is fixed to the support frame center disc; the I-beams and wooden pads are laid on the upper portions of the trusses. The invention also discloses a mounting method of the large earthed concrete tank dome steel support structure. The large earthed concrete tank dome steel support structure has high bearing capacity and good structural system stability, poor forming quality of a dome due to foundation settlement is avoided, a jig system has large space for operation and good operational safety, and operations can be better ensured for workers.

The invention discloses a convenient ground wire operation platform. The convenient ground wire operation platform comprises a ground wire device and an automatic adjusting mechanism used for controlling the ground wire device, wherein the automatic adjusting mechanism comprises a platform bottom plate, a vertical plate, a horizontal telescoping cylinder arranged on the vertical plate, a horizontal sideslip plate fixedly connected with the horizontal telescoping cylinder, a vertical telescoping cylinder fixedly mounted on the horizontal sideslip plate, a top cap arranged at a top portion of the vertical telescoping cylinder, a mounting through hole arranged on the horizontal sideslip plate, a first fixed pulley fixedly connected with one side portion of the vertical plate, a second fixed pulley fixedly connected with the other side portion of the vertical plate, and a road wheel. The convenient ground wire operation platform is advantaged in that intelligent mechanism operation of wiring is realized, the convenient ground wire operation platform is flexible to move, is reliable to use, is safe and convenient and is applied to 220KV stations and other ground wire occasions having dismantling difficulties, so dismounting and mounting muscle power of an operator is substantially reduced, the safety coefficient is enhanced, and dismounting and mounting difficulty is reduced; the dismounting and mounting time of the ground wire is reduced by two thirds, cost is low, and long-term use can be realized after one-time investment.

The invention discloses an advertisement display support frame assembly. The advertisement display support frame assembly comprises a base, two side vertical pipes, an upper transverse pipe and a lower transverse pipe. The two side vertical pipes are roughly arranged on the base along the vertical direction in an extending manner. Lower ends of the two side vertical pipes are respectively equippedwith insert grooves. The upper transverse pipes roughly extend along the horizontal direction. Two ends of the upper transverse pipe are connected with upper ends of the two side vertical pipes. Lower ends of the lower transverse pipe are respectively equipped with insert joints matching the insert grooves. The axial length of the lower transverse pipe is less than or equal to the spacing distance between lower ends of the two side vertical pipes. The distance between two opposite ends of the two insert joints is larger than that between the spacing distance between lower ends of the two sidevertical pipes. At least one insert joint is telescopic along the axial direction in order to match the insert grooves. According to the embodiment of the advertisement display support frame assembly, the advertisement display support frame assembly has features of reliable connection, higher stability and convenient detachment. During detachment, no specialized installation and detachment tool is required. The installation and detachment processes are simplified while installation and detachment time can be greatly saved. User experience is good.

The invention provides an electronic device. The electronic device comprises a flexible screen and a shell, the flexible screen is arranged on the shell; the shell comprises a first frame body, a second frame body and a rotating device. The rotating device is connected between the first frame body and the second frame body; the rotating device is used for bending or flattening the first frame bodyand the second frame body; the rotating device comprises at least one pair of rotating combinations and a gear combination located between the at least one pair of rotating combinations. Each rotating combination comprises a supporting frame and a rotating frame connected to the supporting frame in a rotating mode, driving gears meshed with the gear combinations are arranged on the rotating frames, the rotating frames rotate relative to the corresponding supporting frames to drive the corresponding driving gears to rotate, and the driving gears drive the gear combinations to rotate to achievesynchronous rotation of the rotating frames of the pair of rotating combinations. The invention further provides a rotating device and a shell provided with the rotating device.

Belonging to the manufacturing field of water treatment equipment, the invention relates to a hollow fiber ultrafiltration membrane assembly external port structure. The hollow fiber ultrafiltration membrane assembly external port structure comprises a hollow fiber ultrafiltration membrane assembly and an external port part. The external port part consists of a port, a port connector and a detachable fastener. Compared with prior art, a detachable interface is adopted at the interface part. Compared with the past port sealing joint, installation and disassembly of an external water pipe and the hollow fiber ultrafiltration membrane assembly can be made substantially convenient and rapid. And the external port structure can be disassembled repeatedly, thus saving installation and disassembly time.

The invention discloses a fast high-precision locating unit. The fast high-precision locating unit comprises a central spindle, a protecting jacket, a pan head screw and a plurality of steel balls with the same diameter. A step is arranged in the middle of the central spindle and divides the central spindle into an upper locating section and a lower locating section. The step is provided with a countersunk head screw hole. The inner surface of the protecting jacket is provided with an annular groove in the circumferential direction. The width D3 of the annular groove is slightly greater than the diameter D1 of each steel ball. A plurality of through holes are formed in the bottom of the annular groove. The diameter D4 of each through hole is slightly smaller than the diameter D1 of the corresponding steel ball. The upper locating section of the central spindle is sleeved with the protecting jacket. The steel balls are arranged in the space formed by the central spindle and the annular groove. The steel balls are in one-to-one correspondence with the through holes. Besides, part of each steel ball is exposed out of the protecting jacket from the corresponding through hole. The fast high-precision locating unit is low in cost and can be used for fast and precise locating.

The invention relates to a novel insulation and decoration integrated board. The insulation wall board is arranged on an external wall of a house, and is characterized by comprising a decorative panel, an insulation layer and a calcium silicate substrate, wherein the calcium silicate substrate is connected with the external wall of the house through a connecting piece. By arranging a first bendingedge and a second bending edge at the edge of the decorative panel, and forming a concave structure and a convex structure at the first bending edge and the second bending edge respectively, the adjacent decorative panels are buckled without adding structures of locking bolts and locking pieces, and the assembly and disassembly time of the insulation wall boards is shortened. Besides, the insulation wall boards can be connected and assembled in the vertical direction, and by arranging a joint strip at the connecting position of the insulation wall boards, the connecting appearance of the insulation wall boards is ensured.

The invention discloses a wind power hoisting tower crane convenient to transfer, and belongs to the technical field of hoisting machines. The tower crane comprises truss-type underframes, a self-rising jacking system, a bearing, a crane platform, a folded type gin pole, a boom, a rigid derricking stay cable system and tower crane accessories, wherein the truss-type underframes, the self-rising jacking system, the bearing and the crane platform are connected head to tail in sequence from top to bottom; the folded type gin pole is seated at the middle rear part of the crane platform; the boom is hinged with the front upper portion of the crane platform in an overhung manner and shares the same vertical plane with the folded type gin pole; and the rigid derricking stay cable system is arranged right above the boom and the two ends of the rigid derricking stay cable system are correspondingly connected with the head part of the boom and the folded type gin pole. According to the wind power hoisting tower crane convenient to transfer, by employing functional modular design and manufacturing, the structure of the tower crane is greatly optimized; and the tower crane has the advantages of having high lifting height, being convenient to transfer, convenient to remove and splice, convenient to transport, optimized in structure, reasonably stressed, reliable in quality, stable in performance, convenient to maintain, light in dead weight, economic and practical and having low demands on the bearing capacity of a foundation.

The invention provides a formwork assembly, a prefabricated column mold and prefabricated column production equipment. The template assembly comprises a template body, the lock catch comprises a base and a buckle, the base is arranged on the template surface of the template body, and the buckle is rotationally connected with the base; the lockset is arranged on the template body, and the lockset comprises two first clamping grooves; the buckles are suitable for being connected with the first clamping grooves of the corresponding locks in a clamped mode so that the at least two template bodies can be locked. According to the template assembly, the prefabricated column mold and the prefabricated column production equipment, the lock catches are arranged on the template body to be clamped with the locks in a matched mode so as to lock the mold body, the assembling and disassembling time for installing a plurality of template assemblies in a combined mode can be shortened, time and labor are saved, the number of template holes is reduced, and the manufacturing precision and the cost can be reduced.