35results about How to "Save support material" patented technology

The invention discloses a 3D printing device, comprising a main frame, a discharging printing head, a forming printing table, and a printing head displacement adjusting mechanism for driving the discharging printing head to move so as to change the position of the discharging printing head. The discharge print head is provided with a print head feed end for inputting printing raw materials, the discharge print head is provided with a discharge channel communicated with the feed end of the print head, and the forming printing table includes a fixed platen, at least A movable platen that can move up and down, and a platen displacement adjusting mechanism that corresponds to the movable platen one-to-one and is used to drive the movable platen to move up and down. The beneficial effects of the invention are that the structure is reasonable, can be adjusted according to the support requirements, and flexibly provides a part of the original support (non-printing support), thereby reducing the demand for the original printing support, improving the printing efficiency, reducing the risk of partial collapse of the product, Save support material and ensure product stability during printing.

The invention relates to a load-bearing floor steel beam section diminishing method according to design change. Due to the fact the sections can only be diminished by mounting steel column supports below steel beams in conventional construction, the flowing problems that floor load cannot be eliminated, and the steel column supports cannot be set at high positions, are high in construction cost and high in labor intensity of workers during construction, and has potential safety hazard cannot be avoided. The method has the advantages that construction is safe and economical, the floor steel beam with the diminished beam section can reach the design requirement of reliable use, the mechanical property of the self stress of the floor steel beam is utilized, a cut is formed at the design change position of a crossbeam, the mounting connection of a floor steel beam web with a bottom flange is processed section by section, the newly mounted lower flange plates of each section is welded with the original floor steel beam web so as to gradually form a new beam integrity, the redundant original floor web and the bottom flanges are cut, and corrosion resistance processing is performed.

The invention discloses an inclined shaft type telescope machine frame driving device, which comprises a base, a first support mechanism, a second support mechanism, a first deep groove ball bearing, a second deep groove ball bearing, a first driven gear, a second driven gear and an antenna, wherein the first deep groove ball bearing is arranged on the top surface of the base; the bottom end of the first support mechanism passes through a center hole of the first driven gear and is embedded into a shaft hole of the first deep groove ball bearing; first driving gears and a driving device used for driving the first driving gears to rotate are also arranged on the top surface of the base; the second deep groove ball bearing is arranged on the top surface of the first support mechanism; the bottom end of the second support mechanism passes through a center hole of the second driven gear, and is embedded into a shaft hole of the second deep groove ball bearing; second driving gears and a driving device used for driving the second driving gears to rotate are also arranged on the top surface of the first support mechanism; the antenna is arranged on the top surface of the second support mechanism. The inclined shaft type telescope machine frame driving device effectively realizes the transmission of a rotating mechanism in the inclined shaft direction.

The invention provides a pipe sleeve reinforcing device and method. The device and method are simple in construction, low in cost and high in efficiency and safety coefficient. The device comprises a large pipe bracket, a small pipe bracket and a small pipe bracket lift. The large pipe bracket is arranged on a track, one end of the small pipe bracket is arranged on the small pipe bracket lift, the small pipe bracket can be lifted and lowered along with the small pipe bracket lift vertically, and the large pipe bracket and the small pipe bracket are adjacent and can be connected in a butting mode. A pipe jacking device is further arranged in the large pipe bracket, and a small pipe guide track is further arranged in the small pipe bracket. The device is simple in construction, good in operability, high in safety coefficient and suitable for large-batch transportation of pipes.

The invention discloses a three-dimensional printing device. The three-dimensional printing device comprises a main rack, a discharging printing head and a forming printing table plate located in the main rack. The three-dimensional printing device further comprises a printing head displacement adjusting mechanism used for driving the discharging printing head to move so as to change the position of the discharging printing head. The discharging printing head is provided with a printing head feeding end used for inputting printing raw materials. A discharging channel communicated with the printing head feeding end is arranged in the discharging printing head. The three-dimensional printing device further comprises at least one side supporting table plate and at least one side supporting driving structure driving the side supporting table plate to enter the range over the forming printing table plates. The side supporting table plates correspond to the side supporting driving structures in a one-to-one manner. The three-dimensional printing device has the beneficial effects that the structure is reasonable, adjustment can be carried out according to supporting requirements, auxiliary supporting (non-printing supporting) is flexibly provided, and the original printing supporting requirement is lowered accordingly; and the printing efficiency can be improved, the risks of local collapsing of products is reduced, supporting materials are saved, and product stability in the printing process can be guaranteed.

The invention discloses an inverted mounting and constructing method for a hanging type steel structure. The inverted mounting and constructing method for the hanging type steel structure comprises the following steps: arranging an embedded structure of the hanging type steel structure in a process of constructing a main body concrete structure of the hanging type steel structure; erecting a temporary supporting structure in the constructed main body concrete structure; and constructing a temporary supporting surface at a position below a main steel beam of the hanging steel structure; assembling a main steel beam and a hanging pillar; hoisting the main steel beam and the hanging pillar which are assembled to the temporary supporting surface, and fixing an end of the main steel beam with the embedded structure; hoisting the hanging type steel structure layer by layer from top to bottom at a position below the main steel beam and the hanging pillar, and fixing the end of the hanging type steel structure by the embedded structure after the different layers of the hanging type steel structure is hoisted in place; finishing hoisting and fixing of all the layers of the hanging steel structure; and disassembling the temporary supporting structure. BIM simulation analysis, ultra-high supporting and inverted vertical crossing construction are implemented, problems can be pre-analyzed and treated, construction quality is guaranteed, the costs are reduced, and the construction period is shortened.

The invention provides an isolating screen for hospital inspection. The isolating screen for hospital inspection comprises a curtain accommodating box, limiting clamping plates, a tightening plate anda clamping plate, wherein the curtain accommodating box is supported inside a bottom vacant space of a main body frame in a welding manner; the curtain accommodating box keeps a certain height from two base plates at the bottom of the main body frame; a connecting transverse rod is supported at top end positions of two supporting rods on the back side in a connecting manner; two circular limitingplates symmetrically sleeve the middle position of the connecting transverse rod in a welding manner; a hanging rod is rotationally sleeved by the connecting transverse rod through a shaft sleeved atthe tail end thereof, and is clamped between the circular limiting plates on the connecting transverse rod in a limiting manner, so that the hanging rod can do rotating motion around the connecting transverse rod. Through arrangement of the main body frame, a rotating supporting rod and the hanging rod, an overall supporting structure of a screen body is formed through rotating supporting of themain body frame, the rotating support rod and the hanging rod; compared with the conventional medical screen, the isolating screen for hospital inspection, provided by the invention, has the advantages as follows: the structure is simple, few supporting materials are used, and the production cost is reduced while the weight is reduced.

The invention relates to a once molding construction method of a beam-type conversion layer of a high-rise building by steel pipe supporting and laminated pouring. The once molding construction method comprises the following steps of: determining a reinforcing steel bar addition scheme of an auxiliary steel beam of a conversion layer and a first beam plate and a second beam plate lower than the conversion layer; mounting a template support frame of the second beam plate lower than the conversion layer, paving a template of the second beam plate lower than the conversion layer, manufacturing a reinforcing steel bar structure of the second beam plate lower than the conversion layer, and pouring concrete to the second beam plate lower than the conversion layer; mounting a template support plate of the first beam plate lower than the conversion layer, paving a template of the first beam plate lower than the conversion layer, and manufacturing a reinforcing steel bar structure of the first beam plate lower than the conversion layer; mounting the auxiliary steel beam of the conversion layer, mounting the template support frame of the beam plate of the conversion layer, paving the template of the beam plate of the conversion layer, and manufacturing the reinforcing steel bar structure of the beam plate of the conversion layer; pouring the concrete to the first beam plate lower than the conversion layer and the conversion layer; and dismantling the template support frame of the beam plate of the conversion layer, the auxiliary steel beam, and the template support frames of the first beam plate and the second beam plate lower than the conversion layer. According to the once molding construction method disclosed by the invention, supporting materials of the template can be reduced, the construction period is reduced, and the engineering quality of the beam plate is ensured.

The invention relates to a novel deep foundation pit supporting structure and a construction method for the same. The novel deep foundation pit supporting structure comprises supporting piles, upright piles and a plurality of ring beams with different sizes, wherein the ring beams are connected with the pile heads of the upright piles, and are sequentially constructed from large ring beams to small beams; the size of each ring beam is adapted to the shape of a corresponding area during construction, and each ring beam is at least tangent to three sides of a corresponding polygon of the area; safe distances are formed between every two ring beams and between the edges of the ring beams and a foundation pit. According to the novel deep foundation pit supporting structure and the construction method for the same, supporting problems in a deep foundation pit excavation process can be well solved, and higher in excavation construction safety and reasonability are achieved.

The invention provides an open type main structure side wall bailey truss formwork of an open trench tunnel and a construction process thereof. The formwork comprises an outer template and an inner template, and the inner side of the outer template is opposite to the inner side of the inner template; a first bailey truss is arranged on the outer side of the outer template, a second bailey truss is arranged on the outer side of the inner template, and a connecting rod is arranged between the upper portion of the first bailey truss and the upper portion of the second bailey truss; the lower portion of the first bailey truss and the lower portion of the second bailey truss are each provided with a pre-embedded bolt, and the upper portion of the second bailey truss inclines towards the first bailey truss. According to the open type main structure side wall bailey truss formwork, the bailey trusses are used as the supporting system, split bolts are not needed, and the waterproof performance of a wall can be effectively improved; the formwork has the advantages of being high in bearing capacity, high in structure rigidity, long in anti-fatigue life and the like; the adopted bailey trusses are high in rigidity and bearing capacity and capable of ensuring project quality effectively. By the adoption of the bailey truss formwork for construction, under the condition that a construction site is narrow, a smooth construction road can be guaranteed, efficacy is improved, supporting materials also can be saved, and the construction progress is accelerated.