40results about How to "Fulfilling Assembly Requirements" patented technology

The invention discloses a fish belly sill part of a foundation pit support inner supporting system. The fish belly sill part comprises a lower chord beam part made of H-type steel, a belly rod part and inclined supporting parts. The two ends of the lower chord beam part are fixedly and respectively provided with a square flange plate, reinforcing plates, lug plates and drainage holes are formed in grooves in the two sides of the lower chord beam part, and a plurality of connecting holes are formed in an outer wing plate. The two ends of the belly rod part are respectively provided with a square flange plate in a welded mode, one end of the belly rod part is connected with an inner wing plate of the lower chord beam part through a bolt, and reinforcing plates and drainage holes are formed in grooves in the two sides of the belly rod part. Two end faces of each inclined supporting part are 45-degree inclined faces and are connected with rectangular flange plates in a welded mode, one end of each inclined supporting part is connected with the belly rod part through a bolt, the other end of each inclined supporting part is connected with the lower chord beam part through a bolt, lug plates and drainage holes are formed in grooves in the two sides of each inclined supporting part, and the two inclined supporting parts are symmetrically arranged on the two sides of the belly rod part respectively. The lower chord beam part, the belly rod part and the belly plates made of H-type steel of the inclined supporting parts are located in the same plane. According to the technical scheme, the fish belly sill part is convenient to assemble and disassemble and can be used repeatedly, and the aims of saving construction cost and facilitating construction are achieved.

The invention discloses an electronic transducer bracket of a low-voltage circuit breaker, which is formed by splicing a first bracket, a second bracket and a third bracket; the first bracket and the second bracket which have U-shaped structures sheath at least two third brackets with horizontal H structures; the first bracket is composed of a side wall, and a top wall and a bottom wall which areextended with the same length along the same direction from two ends of the side wall; the second bracket is composed of a side wall, and a top wall and a bottom wall which are extended along the same direction from two ends of the side wall; the third bracket is provided with a side wall, and a top wall and a bottom wall which are extended along the direction of two sides from two ends of the side wall; the electronic transducer bracket can realize three-electrode and four-electrode assembling requirements of the electronic circuit breaker simply and easily; the installation and location of the transducer is accurate and lead wire routing is sequential.

The invention provides a base and a crawler crane, relates to the technical field of cranes and aims at solving the technical problems of a complex structure and high manufacture cost of a base of anexisting crawler crane to a certain extent. The base is applied to the crawler crane and comprises a first supporting beam, a second supporting beam, a supporting plate and a base ring. The first supporting beam and the second supporting beam are oppositely arranged, the supporting plate is connected between the first supporting beam and the second supporting beam, and the base ring is arranged onthe supporting plate and used for installing a driving cab of the crawler crane.

The invention provides a machining method of a rotor root blade locking window provided with threads, and relates to the field of steam turbines. By adoption of the machining method, the problems that according to an existing rotor root blade locking window provided with threads, due to the fact that a mounting window is a rhombic window, two parts of semi-sectioned threads need to be machined on the blade locking window, and the structure is complex; and in the machining process, the machining difficulty is high, the precision is low, the machining time is long, and the efficiency is low are solved. The machining method of the rotor root blade locking window provided with the threads comprises the steps that firstly, a rotor is mounted and aligned; secondly, the contour of the T-shaped root blade locking window of the rotor is roughly machined through a first vertical milling tool; thirdly, the T-shaped root blade locking window of the rotor is fine machined through a second vertical milling tool; fourthly, bottom holes of T-shaped root blade half-thread holes of the rotor are machined through a third vertical milling tool; fifthly, the bottom relief part of the T-shaped root blade locking window of the rotor is machined through a fourth milling tool; and sixthly, half-thread holes of the T-shaped root blade locking window of the rotor are machined through a thread milling tool. The machining method is used for machining the rotor root blade locking window provided with the threads.

The invention discloses an H-shaped column minor axis separation type double-T-shaped-piece connecting structure easy to assemble. The H-shaped column minor axis separation type double-T-shaped-piece connecting structure easy to assemble comprises an H-shaped frame column, an H-shaped frame beam, a first T-shaped reinforcing piece, a second T-shaped reinforcing piece, a first T-shaped connecting piece and a second T-shaped reinforcing piece. One end of the first T-shaped reinforcing piece is connected with a web and two flanges of the H-shaped frame column 1, the other end of the first T-shaped reinforcing piece is connected with one end of the first T-shaped connecting piece, and the other end of the first T-shaped connecting piece is connected with an upper flange of the H-shaped frame beam. One end of the second T-shaped reinforcing piece is connected with a web and two flanges of the H-shaped frame column, the other end of the second T-shaped reinforcing piece is connected with one end of the second T-shaped connecting piece, and the other end of the second T-shaped connecting piece is connected with a lower flange of the H-shaped frame beam. The webs of the column are not prone to deformation, force transmission is definite, the stress performance is good, construction and transportation are convenient, and rigid connection in the minor axis direction of the column is achieved thoroughly.

The invention discloses an electronic release bracket of an electronic low pressure circuit breaker, the electronic release bracket is composed of U-shaped first and second brackets and at least two I-shaped third brackets which are life-and-right interconnected, a first baffle plate and a second baffle plate are connected to two sides of the three brackets respectively; the electronic release bracket with simple structure and reliable assembly can easily and flexibly reach the assembly requirement of the electronic release of tripole and quadrupole circuit breakers; a mutual inductor is completed enveloped in a mutual inductor bracket to acquire sufficient insulating strength with a main loop of the circuit breaker, thus guaranteeing electrical safety of the mutual inductor and thoroughly eradicating hidden safety hazard; parts of the electronic release can be entirely separated from the main loop of the circuit breaker in order to ensure adequate insulating property of the electronic release; and the reliable wiring and positioning inside the casing avoids the hidden safety hazard caused by the exposure of open wires.

The invention discloses a supporting base of a fish belly sill surrounding purlin. The supporting base comprises wide-flange H-shaped steel with the length of 100-150mm. The lower end of the H-shaped steel is welded to a square bottom plate which is provided with four flange holes. The four flange holes are distributed at four corners in a square shape. The side length of the square is 200mm. The diameter of each flange hole is 28mm. The upper end of the H-shaped steel is welded to a square connecting plate. Reinforcing plates are arranged in grooves in the two sides of the H-shaped steel. Three guiding plates are perpendicular to the square connecting plate and correspond to the reinforcing plates and wing plates on the two sides of the H-shaped steel respectively in an up-down mode. Two arch-shaped plates are arranged between the three guiding plates. The two arch-shaped sides of the arch-shaped plates are fixedly welded to the guiding plates on the two sides respectively. The two bottom sides of each arch-shaped plate are fixedly welded to the square connecting plate. A limiting inserting hole for a limiting blocking rod to be inserted in is formed in each of the two sides, above each arch-shaped plate, of each guiding plate. According to the technical scheme, assembling and disassembling are convenient, multi-time repeated using can be achieved, and the purpose that construction cost is saved, and construction is convenient is achieved.

The invention discloses a prestress loading device of an internal support system for foundation pit supporting. The prestress loading device comprises a jack and a connecting component, wherein the connecting component comprises a loading seat, a screw nut, a screw rod and a screw rod base, a groove for placing the jack is formed in the loading seat, a screw rod insertion hole is formed in one side of the groove, the screw rod is inserted in the screw rod insertion hole, a connecting flange A is arranged at the side, opposite to the screw rod insertion hole, of the loading seat, the jack is placed in the groove, a jacking rod of the jack is inserted in the screw rod insertion hole and is abutted against one end of the screw rod, the other end of the screw rod is fixedly connected with the screw rod base, and a connecting flange B is arranged at the side, opposite to the connected screw rod, of the screw rod base and can be in threaded connection with the screw nut, abutted against the loading seat, at a portion outside the screw rod insertion hole of the screw rod. According to the prestress loading device of the internal support system for the foundation pit supporting, prestress is applied to an entire supporting structure, so that the overall strength of the support system is improved; the disassembly is convenient, and the prestress loading device can be repeatedly used, so that the aims of reducing the construction cost and facilitating the construction are reached.

The invention discloses a purlin surrounding assembly which comprises a lower chord beam component, a web member, first inclined struts and second inclined struts, wherein the lower chord beam component, the web member, the first inclined struts and the second inclined struts are made of H-shaped steel. Flange plates are fixed to the two ends of the lower chord beam component, grooves in the two sides of the lower chord beam component are provided with reinforcing plates, lug plates and drainage holes, and connecting holes are formed in outside flanks. Flange plates are welded to the two ends of the web member, one end of the web member is connected with inside flanks of the lower chord beam component through bolts, and grooves in the two sides of the web member are provided with reinforcing plates and drainage holes. According to the first inclined struts and the second inclined struts, the two end faces of each first inclined strut and the two end faces of each second inclined strut are 45-degree diagonal planes and welded to flange plates, one end of each first inclined strut and one end of each second inclined strut are connected with the web member through bolts, the other end of each first inclined strut and the other end of each second inclined strut are connected with the lower chord beam component through bolts, grooves in the two sides of each inclined strut are provided with lug plates and drainage holes, the length of each second inclined strut is 1 / 3 to 1 / 2 that of each first inclined strut, the number of the first inclined struts and the number of the second inclined struts are respectively two, and the first inclined struts and the second inclined struts are symmetrically arranged at the two sides of the web member. Webs of H-shaped steel of the lower chord beam component, the web member, the first inclined struts and the second inclined struts are located on the same plane. According to the technical scheme, the purlin surrounding assembly is convenient to disassemble and assemble and capable of being reused for multiple times and achieving the purposes of saving the construction cost and enabling construction to be convenient.

The invention discloses a steel strand supporting part of a foundation pit support inner supporting system. The steel strand supporting part comprises H-type steel, a square bottom plate is welded to the lower end face of the H-type steel, four flange holes are formed in the square bottom plate, a square connecting plate is welded to the upper end face of the H-type steel, reinforcing plates are arranged in grooves in the two sides of the H-type steel, three guide plates parallel to one another are fixedly welded to the upper portion of the square connecting plate, the three guide plates vertically correspond to the reinforcing plates and two side wing plates of the H-type steel respectively, two arch-shaped plates are disposed between the three guide plates, the two arch-shaped side edges of the arch-shaped plates are fixedly welded to the guide plates on the two sides respectively, the two bottom edges of the arch-shaped plates are fixedly welded to the square connecting plate, and a plurality of limiting insertion holes used for limiting block rods to insert are formed in the positions, above the arch-shaped plates, of the guide plates. According to the technical scheme, the steel strand supporting part is convenient to assemble and disassemble and can be used repeatedly, and the aims of saving construction cost and facilitating construction are achieved.

The invention discloses an air deflector director assembly tool set and an application method thereof. The air deflector director assembly tool set comprises a first spigot shaft, wherein both ends of the first spigot shaft are respectively provided with a rotary table which is perpendicular to the first spigot shaft; the first spigot shaft is provided with a plurality of positioning mechanisms for fixing air deflector gussets; and each positioning mechanism comprises a positioning baffle and a clamping baffle for clamping the air deflector gussets. The positions of mounting holes in the positioning baffle and clamping baffle on the first main shaft are adjusted to satisfy the assembly requirements of the envelope on the air deflector with different sectional dimensions and different lengths. The longer plate of the L-shaped positioning baffle is used for positioning the gussets, and the longer plate of the clamping baffle and the longer plate of the positioning baffle are arranged oppositely to clamp the gussets and are connected through a bolt, thereby being flexible and convenient to disassemble. In the envelope process, the rotary tables can be overturned to overturn the assembly tool set without manually adjusting the position of the assembly tool set, thereby effectively avoiding scratching the aluminum product.