43results about How to "Improve on-site assembly efficiency" patented technology

The invention relates to the technical field of ceilings, and discloses a multifunctional environment-friendly ceiling and a mounting method thereof. The multifunctional environment-friendly ceiling comprises a plurality of keel frames connected through connecting bolts, lifting rods and bottom plates mounted in the keel frames, wherein the lifting rods are mounted on the keel frames, and one endsof the lifting rods are connected with the ceiling; and each keel frame comprises two mutually-parallel fixed rods and two mutually-parallel movable rods, every two movable rods are connected betweenthe two corresponding fixed rods and are perpendicular to the fixed rods, rotating grooves are formed in the two opposite end faces of every two fixed rods correspondingly, the two sides of each bottom plate are provided with rotating shafts rotationally connected into the two corresponding rotating grooves respectively, and the bottom plates are rotationally connected with the fixed rods throughthe rotating shafts; and a stop block is fixed to the upper part of one of the movable rods, and when rotating to be in a horizontal state, one of the bottom plates abuts against the lower side of the stop block and is in threaded connection with the stop block through a mounting bolt. The bottom plates do not need to be dismantled when pipelines between the bottom plates and the ceiling are overhauled, and the effects of convenient operation and high maintenance efficiency are achieved.

The invention discloses an annular concrete pole and a segmented assembling method thereof. The annular concrete pole is composed of multiple segments of branch pole bodies. Multiple columnar holes are formed in the axial direction of the top end face of each segment of branch pole body. Threaded grooves are formed in the hole walls of the columnar holes. Multiple inserting rods are arranged on the bottom end face of each segment of branch pole body. The positions of the inserting rods are in one-to-one correspondence to the positions of the columnar holes. Each inserting rod is composed of aninner core shaft and an outer shaft sleeve, the inner core shafts are fixedly connected with the bottoms of the branch pole bodies, the inner walls of the outer shaft sleeves are rotationally connected with the inner core shafts, and the outer diameter of each outer shaft sleeve is equal to the inner diameter of each columnar hole. Threaded strips are arranged on the outer walls of the outer shaft sleeves and can be completely screwed into the threaded grooves. According to the annular concrete pole, the segmented assembling method is adopted, transporting is convenient, and the field construction difficulty is reduced; and during assembling, only the branch pole bodies need to be lifted and aligned, threaded connection of adjacent segments can be completed through the self gravity of thebranch pole bodies, connecting firmness is guaranteed, and the field assembling efficiency is greatly improved.

The invention discloses a novel oil-distributing valve block oil supply structure and a lubricating oil supply station. A compressor gearbox body and a drive motor are arranged on an oil tank body; the novel oil-distributing valve block oil supply structure is used as a connecting transition body between the gearbox body and a pipeline assembly; the novel oil-distributing valve block oil supply structure comprises a valve block main body, wherein an inner oil path used for circulating lubricating oil is arranged in the valve block main body; one side surface of the valve block main body is inwards provided with three oil supply holes communicated with the inner oil path, and the three oil supply holes are respectively communicated with a gear pair and two end bearings of the compressor gearbox body; the other side surface of the valve block main body is inwards provided with an oil inlet communicated with the inner oil path; the oil inlet is communicated with the pipeline assembly for flowing lubricating oil into the gearbox body through the oil inlet, the inner oil path and the oil supply holes respectively so as to lubricate the gear pair and the two end bearings. According to the technical scheme, leakage points can be reduced, the oil leakage problem of an oil supply point of the compressor is solved; and the novel oil-distributing valve block oil supply structure is simple to process and assemble, is convenient in unit assembly, and is convenient for a user to maintain and repair.

The invention relates to the technical field of prefabricated culverts and particularly relates to a block splicing type prefabricated concrete box culvert and a construction process thereof. The culvert comprises a top plate culvert piece, a bottom plate culvert piece, a side plate culvert piece, an anchoring structure and a fastening structure, wherein the top plate culvert piece is of a cover body structure and covers the side plate culvert pieces, each side plate culvert piece is of an L-shaped structure and comprises a vertical end and a horizontal end, the vertical end supports the top plate culvert piece, the horizontal end is connected with the bottom plate culvert piece, the anchoring structure is arranged on the bottom plate culvert pieces and the side plate culvert pieces, the fastening structure is arranged on the top plate culvert pieces and the side plate culvert pieces, and fastening bolts are used for fastening connection of the top plate culvert pieces and the side plate culvert pieces. The culvert is advantaged in that aiming at defects in the prior art, construction cost is reduced, the risk in the transportation process is reduced, and construction efficiency isimproved.

The invention relates to a construction method for an aquatic plant compound biological floating island. The method comprises the following steps: construction preparation: detecting planting soil andformulating construction steps; designing an integral structure of the biological floating island and preparing a prefabricated member; selecting plant seedlings, and transplanting the same to a feeding block body of the floating island; constructing a side anchor log system; constructing middle anchor log group piles; splicing and fixing a floating island model; and maintaining the aquatic plantfloating island. The biological floating island obtained by the construction method is good in durability, high in stability, high in construction efficiency and remarkable in economical and beneficial benefits.

The invention discloses a circular-section concrete supporting structure of a fabricated wind turbine generator. The circular-section concrete supporting structure comprises at least one structural unit, wherein each structural unit comprises a concrete tower section, tower section inner longitudinal steel bars, an upper flange plate, a lower flange plate, an upper prestressed steel strand, a lower prestressed steel strand and high-strength bolts; the tower section inner longitudinal steel bars, the upper flange plates and the lower flange plates are integrally cast to form an integral frame;concrete is poured between the upper flange plates and the lower flange plates and wraps the tower section inner longitudinal steel bars; a plurality of structural units are annularly connected through the upper prestressed steel strands and the lower prestressed steel strands in a pre-tensioning mode; and a plurality of structural units are vertically connected through the upper flange plates andthe lower flange plates by means of the high-strength bolts to form a conical whole. According to the circular-section concrete supporting structure, the integrity and installation of a concrete tower are effectively improved while the requirements for factory fragment prefabrication and on-site integral assembly are met.

The invention belongs to the technical field of building products, in particular to a PC wallboard mould used for a concrete prefabricated component production line. The mould comprises an inner cavity wall module, an outer cavity wall module and a positioning hole module, wherein the positioning hole module comprises a base; a transverse supporting arm is extended from the base; a penetrating hole is formed in the top end of the transverse supporting arm; the positioning hole module further comprises a positioning barrel and a threaded sleeve; the top end surface of the positioning barrel isfixedly connected to the lower hole end surface of the penetrating hole in a resisting mode, and the positioning barrel and the penetrating hole are coaxially formed; inner threads are arranged at a sleeve cavity of the threaded sleeve; a positioning bolt passes through the penetrating hole and the positioning barrel, and is in threaded fit to the threaded sleeve; and a matched surface of the threaded sleeve and the positioning barrel is higher than or equal to or lower than the top end surface of the outer cavity wall module. The mould has the advantages of being simple, convenient and quickto operate, and low in manufacturing cost, so that later-stage assembly needs at equal height and the same plane of a manufactured prefabricated wallboard can be guaranteed while the prefabricated wallboard is formed.

The invention discloses a prestress assembly type concrete frame supporting structure of a wind turbine generator set, the top end of a supporting structure is provided with a steel tower to be fixed, the top end of the steel tower is provided with the wind turbine generator set, and the supporting structure comprises a bottom-layer supporting unit, a middle-layer supporting unit, a top-layer supporting unit and a plurality of prestressed steel strands. The bottom-layer supporting unit is of a rectangular frame body structure; the middle-layer supporting unit is arranged at the upper end of the bottom-layer supporting unit, and the middle-layer supporting unit is formed by overlapping a plurality of standard structure units; the top-layer supporting unit is arranged at the top end of the middle-layer supporting unit; and the prestressed steel strands penetrate through hole bodies longitudinally formed in the bottom-layer supporting unit, the middle-layer supporting unit and the top-layer supporting unit correspondingly, and longitudinal connection and fixation of the bottom-layer supporting unit, the middle-layer supporting unit and the top-layer supporting unit are completed. By means of the supporting structure, the problem that node bolts and inclined struts in a traditional lattice type tower are unfavorable in stress is effectively solved.

The invention discloses a wire drawing head of a filler cap and an automobile and belongs to the field of automobiles. The wire drawing head of the filler cap comprises a support, a rivet, a tower base, a compressed spring, a tower shade and a sheath, wherein the rivet extends into the wire drawing head from one end of the support and is fixedly riveted, the tower base is connected onto the outer portion of the rivet and one end of the support in sleeved mode and is used for supporting the tower shade, the compressed spring is arranged between the support and the tower base, the tower shade is connected onto the other end of the tower base and the other end of the support in sleeved mode, the sheath is connected onto the outer portion of the tower shade in sleeved mode, and an elastic reverse clamping structure is arranged between the sheath and the tower shade. The automobile comprises the filler cap and the wire drawing head of the filler cap, wherein the wire drawing head of the filler cap is externally arranged on the filler cap. The wire drawing head of the filler cap effectively improves visibility during installation, leads installation to be easy, improves production takt, and can effectively avoid potential safety hazards such as hand cutting of the installation personnel. In addition, the wire drawing head of the filler cap has the advantages of being simple in integral structure and high in reliability.

The invention relates to a mounting device for motor assembly, and relates to the technical field of motor production equipment, the mounting device comprises a base and a support, the base is fixedly provided with a die holder, and the die holder is provided with a positioning groove for placing a motor; a pressing die and a power piece are installed on the support, the pressing die is located over the positioning groove, the power piece can drive the pressing die to move close to the positioning groove, the pressing die is provided with a pressing column used for applying pressure to the end cover of the motor, and the end of the pressing column is provided with a receding hole allowing the end of a rotating shaft of the motor to stretch into. The mounting device has the advantage that a miniature motor shaft cover can be efficiently and stably assembled.

The invention discloses a sectional type fan blade connecting structure, a sectional type fan blade and an assembling method. The sectional type fan blade connecting structure is characterized in that a first socket piece, a second socket piece and a fixing assembly are arranged, and the first socket piece is arranged at one end of a first blade section; the second socket component is arranged at one end of the second blade section; the first socket component and the second socket component are opposite and are arranged in a mutually crossed and staggered manner to form a connecting part, and the fixing component is arranged at the connecting part to fix the first socket component and the second socket component. According to the connecting structure, connection of the segmented blades is more reliable, the additional mass of the connecting area is light, and factory production and wind field on-site operation are facilitated.

The invention provides a self-resetting connecting joint between a steel frame and a composite wallboard and a fabricated building thereof. The composite wallboard connecting joint comprises the steel frame, the composite wallboard and a self-resetting connecting piece. The composite wallboard is arranged on the frame through the plurality of self-resetting connecting pieces; the self-resetting connecting piece comprises a middle cylinder body; the cross section of the middle cylinder is in a long circle shape, and the middle cylinder comprises two straight line sections arranged in parallel and two arc sections symmetrically arranged on the two sides. And the middle barrel is fixedly connected with the frame and the composite wallboard through the two linear sections respectively. According to the structural form of the self-resetting connecting piece, energy can be effectively absorbed and consumed, the self-resetting connecting piece has certain self-resetting capacity, particularly, residual deformation of the structure after unloading in the early stage is basically zero, and residual deformation of the structure after loading is still small. And the permanent damage of the structure can be effectively reduced through reduction of residual deformation, the loss of the structure is reduced, and the repairability of the structure is improved.

The assembled steel structure self-insulation composite concrete structure system and forming method disclosed in the present invention include foundations, columns, beams, floors, shear walls and roofs, and the foundations, columns, beams, floors, shear walls and roofs are all equipped with steel Structural type plate, steel structure type column, insulation layer and protection layer, steel structure type plate, steel structure type column, insulation layer and protection layer are integrated structure, steel structure type plate and steel structure type column are located in the insulation layer, protection layer Located outside the insulation layer, there are connection plates on the foundation, columns, beams, floors, shear walls and roofs. Foundations, columns, beams, floors, shear walls and roofs are all made of fabricated steel structures and various self-insulating concretes with different bulk densities. It can play the role of fire prevention, rust prevention, corrosion prevention, waterproof and thermal insulation.

The invention provides a prefabricated box foundation adopting zoned assembly, and belongs to the technical field of construction projects. The prefabricated box foundation comprises boundary sub-foundations, longitudinal sub-foundations, horizontal sub-foundations and standard sub-foundations, wherein protruding bars are reserved in thickness directions of prefabricated foundation top plates, prefabricated horizontal retaining walls, prefabricated longitudinal retaining walls, prefabricated longitudinal partition walls, prefabricated horizontal partition walls and prefabricated foundation bottom plates and used for connecting the adjacent sub-foundations, and the protruding bars are reserved in a long-short alternate distribution manner; connecting reinforcements are arranged between theadjacent sub-foundations which are integrated by concrete pouring, and the whole foundation is formed. According to the prefabricated box foundation adopting zoned assembly, the multiple sub-foundations are prefabricated in a factory and then are spliced and connected at the construction site to form the integral box foundation, so that side operation time is shortened greatly, site assembly efficiency is high, influence of severe weather can be avoided, and the prefabricated box foundation has good practicability and feasibility.