30results about How to "Simple and fast construction operation" patented technology

The invention relates to an inorganic whisker-modified adhesive sheet for damping and noise reducing. The inorganic whisker-modified adhesive sheet comprises two parts, namely a damping adhesive layer and an isolated reflection layer; according to the damping adhesive layer, butyl rubber is taken as a matrix, an inorganic whisker is added for modification, and tackifying resin and a filler are adopted for improving the combination property. In addition, a refection layer is arranged on the damping adhesive layer; and the reflection layer is capable of carrying out strength supplementation on the adhesive layer and dispersing noise. Only the adhesive sheet needs to be pasted on the surface of a base material during construction, and sulfuration treatment is not needed. The product is simple in preparation, convenient to construct and obvious in damping and noise-reducing effects.

The invention discloses a displacement magnifying type single scissor supporting damper system and evaluation method of vibration attenuating performance, and belongs to the field of vibration attenuating system design. A first hinged joint A, a second hinged joint B and a third hinged joint C of the vibration attenuating system are correspondingly arranged at the top and the bottom of a structurecolumn; a rigid rod AD and a rigid rod AE with the equal length are arranged at the first hinged joint A; the rigid rod AD is connected with a rigid rod DF in a hinged mode through a hinged joint D;the rigid rod AE is connected with a rigid rod EF in a hinged mode through a hinged joint E; a damper is arranged between the hinged joint D and the hinged joint E; the rigid rod DF is connected withthe rigid rod EF in a hinged mode through a hinged joint F; a rigid rod CF is arranged between the hinged joint C and the hinged joint F; a rigid rod BF is arranged between the hinged joint B and thehinged joint F; and the hinged joint B, the hinged joint C and the hinged joint F are not collinear. According to the displacement magnifying type single scissor supporting damper system, the motion displacement of the damper can be magnified, the energy dissipation character and vibration attenuating effect of the damper are fully exerted, and the safety, reliability and stability are improved.

The invention relates to a precast integral casting #-shaped floor structure. The precast integral casting #-shaped floor structure comprises a precast laminated secondary beam precast part, a precast laminated frame beam precast part, a precast laminated plate precast part and a laminated cast-in-situ structure. The precast laminated secondary beam precast part and the precast laminated frame beam precast part are in #-shaped and orthogonal arrangement. The precast laminated plate precast part is arranged on the precast laminated secondary beam precast part and the precast laminated frame beam precast part. The laminated cast-in-situ structure is casted on the precast laminated secondary beam precast part, the precast laminated frame beam precast part and the precast laminated plate precast part. The precast integral casting #-shaped floor structure has the advantages of being light and compact in structure, simple and quick in construction, capable of saving labors and materials, low in cost and the like.

The invention provides a lifting machine suitable for the slope ground and belongs to the technical field of lifting devices. The lifting machine comprises a supporting platform, a supporting frame, four-rod adjusting mechanisms and supports. One side of the supporting platform is connected with the supporting frame. The two corners of the other side of the supporting platform are connected with the four-rod adjusting mechanisms correspondingly. The supporting frame and the four-rod adjusting mechanisms are connected through supporting rods. The grounding ends of the supporting frame and the four-rod adjusting mechanisms are connected with the supports correspondingly. The overall height is changed and the inclination angle of the supporting platform is adjusted by adjusting the supportingangle of the four-rod adjusting mechanisms. When the lifting machine conducts aloft work on the slope ground, the hinged four-rod mechanisms are elevated or lowered by adjusting screw rods and changing the length of the diagonal lines of rhombuses to adapt to the ground slope to enable the upper portion of the lifting machine to be in a stable horizontal state, and then the lifting machine can bein a working state. The lifting machine is simple in construction operation, and potential safety hazards in construction are reduced. The lifting machine has the characteristics of being stable, safe and high in automation degree and can stable go up and down on the slope ground.

The invention relates to a modified polyurea and its application. The raw materials for the preparation of the modified polyurea include: monofunctional isocyanate and amino resin containing secondary amino groups; the molar ratio of -NCO in the monofunctional isocyanate to -NH in the amino resin containing secondary amino groups is 1:1 ~1:2; the structural formula of the monofunctional isocyanate is shown in formula (I), and R represents a hydrocarbon group. Its construction time limit can reach 300 minutes, high solid content, low VOC emission, simple and convenient construction operation, low requirements for equipment, low temperature curing and thick coating construction, the formed coating has high hardness, good toughness, and no adhesion to the substrate. Good strength, good weather resistance, good chemical corrosion resistance, excellent comprehensive performance, and broad application prospects.

The invention discloses a damping and energy-consuming debris flow grid dam and a construction method thereof. The purpose is to have stronger impact resistance, safe and reliable structure, small cross-sectional size of components, easy installation and disassembly, and cost saving. The damping and energy-consuming debris flow grid dam The dam includes a grid structure on the flow surface and a frame structure on the back surface arranged at intervals and oppositely, and a damping assembly arranged between the grid structure on the flow surface and the frame structure on the back flow surface, and the damping assembly It includes a first damper and a second damper, the first damper is arranged horizontally, and the two ends of the first damper are respectively connected to the grid structure on the upstream surface and the frame structure on the downstream surface, the The second damper is arranged obliquely, and the two ends of the second damper are respectively connected to the grid structure on the upstream side and the frame structure on the downstream side.

The invention belongs to the field of bridge construction, and in particular relates to an underwater bridge pier pouring type polyurethane composite anti-collision fence and a preparation method thereof. The technical scheme of the present invention is composed of A component, B component, C component and stones, and the outermost layer is a basalt fiber reinforced plastic sleeve for shaping. Component A: 87-94 parts of water glass, 5-2 parts of glycerol, 3-2 parts of triisopropanolamine, 4-1.5 parts of water, 1-0.5 parts of CUCAT‑WN catalyst; Component B: 75- 81 parts of PAPI, 15-12 parts of polyurethane prepolymer, 3-2 parts of dioctyl phthalate, 1-0.5 parts of AUCAT-101 catalyst, 1-0.5 parts of CUCAT-U2 catalyst, 1.5-1 part of defoamer , 2.5 parts of anti-hydrolysis agent, 1-0.5 parts of anti-mold agent; C component: 10-20 parts of fiber bundles and 200-600 parts of stones. The C component fiber bundles are mixed into the stones, the A and B mixtures can be poured while placing the stones and the fiber bundles, and the mixture can be obtained after curing. The invention has the characteristics of good water resistance and anti-collision performance.

The present invention relates to the fireproof material technology region, in particular to an escapable iron-baking water tank brick, which is to solve the problems in the existing iron-baking watertank brick that: the use period is short, the repair labor intension is larger, the technical is complex with high energy consumption and pollution and so on. The raw material prescription includes aluminium bauxite material, palm corundum, Morris stone powder, calcium aluminium cement and silicon powder; the aluminium bauxite material is grilled into the grain with the size of 15-8mm, 8-5mm, 5-3mm, 3-1mm and 1-0mm or the powder of the size less than 0.074mm; the palm corundum is grilled into the grain with the size of 5-3mm, 3-1mm and 1-0mm; the aluminium, Morris stone powder, calcium aluminium cement and silicon powder are put into a pre-mixing machine with the mixing for 10-20 minutes, and the water, the weight of which is 5-6.5 percent of the total weight; and the aluminium bauxite material and palm corundum grain are put into a mixing machine with the drying mixing for 2-3 minutes; after being mixed, the above materials are mixed evenly to be molded. The product is with much better eroding wearable, corroding wearable, anti-oxidation, anti-heat and vibrating in the actual application. The material has the advantages of simple and easy manufacturing method, low cost as well assaving energy and environment-protection.

The invention provides a returnable dual rib type cantilever steel beam fixing device and a construction method thereof. The returnable dual rib type cantilever steel beam fixing device comprises a steel beam fixing part. The steel beam fixing part which is a dual rib snap ring is formed by encircling two transversely arranged surface tendons and two longitudinally arranged U-shaped vertical walltenons. The length of the surface tendon is greater than the width of the surface of a steel beam. The top end of a U-shaped opened end of each vertical wall tenon is separately connected to one endsof the same side of the two surface tenons. A steel beam locking part connected to the two vertical wall tenons penetrate holes above U-shaped closed ends of the two vertical wall tenons. The steel beam locking part is a connecting rod provided with anti-skid structures at two ends. The height of the vertical wall tenon is equal to sum of the height of the steel beam, the thickness of a concrete floorslab and the diameter of the steel beam locking part. The dual rib snap ring can be used repeatedly, and is easy to mount and detach, low in manufacturing cost, few in outside influence factor andwide in application range.

The invention relates to a method for performing construction operation on a large-area ultra-soft soil site and a steel frame system used by same. The method comprises the following steps: 1) laying a layer of geotextile (3) on a construction site; 2) laying a layer of geo grid (2) on the laid geotextile (3); 3) laying a steel frame system (1) on the geo grid (2); and laying a layer of wood board (5) on the steel frame system (1) after the step 3). The method is suitable for the construction operation on the large-area ultra-soft soil site, and is particularly suitable for dredger fill and lately alluvial ultra-soft soil. The combination of the steel frame system and the geo grid and the geotextile enables the construction operation on the large-area ultra-soft soil site to become possible. The steel frame system comprises circular hollow steel pipes or hollow steel pipes of which the section has two semicircular sides and a rectangular middle, joints and joint translation limit rings; and the system can realize large-scale finished products, has simple laying mode and convenient and quick operation, can be recycled after the construction ends, and has the unique advantages of short construction period, low material consumption, economy and conservation, environmental protection and the like.

The invention discloses a protection device of a self-sensing reinforcing steel bar outgoing line. The protection device comprises a tension reinforcing steel bar, an outgoing line, a packaging component and a fiber grating outgoing line protection tube, wherein the packaging component is fixed on the self-sensing reinforcing steel bar through a tightening screw, a notch in the same direction as afiber bragg grating embedding groove is reserved in the packaging component, a fiber bragg grating outgoing line is bent through the notch, enters a leading-out hole in the packaging component and isled out at any angle, a groove is formed in the leading-out hole, and the optical fiber protection tube is clamped into the groove. According to the packaging component of the self-sensing reinforcing steel bar with the embedded fiber bragg grating, the mounting position can be determined according to actual engineering requirements, the requirement for accurate clamping is met, the defects thata light material is high in brittleness, low in shear capacity, prone to breakage and the like are effectively overcome, an optical fiber outgoing line is effectively protected, and the survival rateof grating optical fibers is effectively improved.

The invention discloses a glue pouring cable terminal box, which overcomes the problems of poor air-tightness, poor strength and inconvenient operation of the prior glue pouring cable terminal box. The glue pouring cable terminal box consists of a box body (1) and a box cover (2), wherein a junction surface of the box body and the box cover are scarfed by a seal groove and a seal ring (7), cable inlets (12) at two axial ends of the box are composed of protruding symmetrical semicircles (18) which are respectively arranged on the box body and the box cover, the seal ring (7) is rectangular and is fixedly connected to rubber rings (14) at two axial ends, the rubber rings are arranged in the cable inlets (12), the box cover is provided at least two holes which are communicated with the same cavity and matched with blanking covers, one of the holes is an exhaust hole and an earth line introducing hole, and other holes are glue pouring insulating glue holes, combination wedges fixedly connected to two axial side faces of the box body and box cover are matched with dovetail grooves.

The invention relates to a slope protection brick placement machine for controlling water and soil loss in river courses, which includes a stacking support plate, a moving frame, a pushing mechanism, a fixed insertion rod, a guiding mechanism and a pressing mechanism, and the stacking support plate is an I-shaped column The middle part of the stacking support plate is provided with a push groove, and a push mechanism is arranged in the push groove of the stacking support plate. A fixed insertion rod is installed at the front and rear ends of the bottom of the stacking support plate, and a mobile frame is installed on the right end of the push mechanism. , the middle part of the moving frame is provided with a limit groove, the guiding mechanism is installed on the right end of the moving frame, and the pressing mechanism is installed on the top of the moving frame. The present invention can solve the problems existing in the laying of the existing slope protection bricks: there is a deviation in the position of the slope protection bricks manually, which leads to poor construction effect of the slope protection bricks, and the slope protection bricks are caused by hammering on the side of the slope protection bricks when the slope protection bricks are manually hammered. The phenomenon of warping will occur, which will affect the laying of adjacent slope protection bricks and other issues.

The invention discloses an office desk with convenient-to-fix wiring board. The office desk comprises an office desk body; a through opening is formed in the surface of a desk plate of the office deskbody; a sealing plate is inserted into the top of the through opening; a plug ring is arranged on the bottom face of the sealing plate; the plug ring is inserted into the through opening; and the outer side of the plug ring is sleeved with a rubber clamping ring. The invention further discloses a wire fixing method for the office desk with the convenient-to-fix wiring board. The wire fixing method comprises the following steps of wiring board arrangement, wire leading, wire penetrating and wire connecting. According to the wire fixing method for the office desk with the convenient-to-fix wiring board of the invention, a lifting screw rod is additionally arranged on the sealing plate at the top of the through opening, after the lifting screw rod protrudes out of the sealing plate, the lugplate of the wiring board is arranged on the lifting screw rod in a sleeving mode, and therefore, the wiring board can be prevented from sliding off from a desk top; when the lug plate moves, a lug plate open hole is clamped between the lifting screw rod and the sealing plate, and the lug plate is prevented from falling off from the lifting screw rod.

The invention discloses a combined integrated box house, which belongs to the technical field of movable houses, and includes a standard box house. The main frame of the standard box house includes columns and beams, and the main frame is welded by rectangular tubes; The wall boards are fireproof boards, the bottom boards are fiber cement pressure boards, the roof boards include the inner fireproof boards laid horizontally, and the outer waterproof boards are laid obliquely; the top beams on at least one side of the standard box house are gutter beams. The combined integrated box house has better bearing capacity, fire resistance, thermal insulation and sound absorption and noise reduction effects, and is easy to install, beautiful in shape, simpler and faster in construction operation, and improves work efficiency.

The invention discloses an anti-mildew photocurable waterborne stone protective agent for a stone surface and a preparation method of the anti-mildew photocurable waterborne stone protective agent. The protective agent comprises the following components: UV-curable film forming resin, a photoinitiator, a polyphosphoric acid dispersant, an organic silicon defoaming agent, a film forming auxiliary,a slow-release broad-spectrum anti-mildew bactericide and solvent water. Due to a synergistic effect of a light-curable resin technology and a nano-adsorbent carrier slow release technology, the filmforming speed and protective effect of the waterborne stone protective agent are greatly improved, and the curing effect exerting time is greatly shortened while the original advantage of a waterborneprotective agent is retained, so that the construction efficiency can be remarkably increased; and meanwhile, the protective construction operation can also be realized under a low-temperature or high-humidity environment, so that the adaptability of the waterborne stone protective agent in the prior art is widened, and the antibacterial and anti-mildew properties of the waterborne stone protective agent are remarkably improved while the color, glossiness and light transmitting property of a coating are not affected.

The invention relates to the technical field of building connectors, in particular to a steel structure building connector for building, which includes an I-shaped horizontal steel, one side of the horizontal steel is provided with a vertical steel, and the end of the vertical steel is fixedly connected with a positioning device. The device is set on one side of the horizontal steel. The positioning device includes a buckle plate, an interception plate and a clamping plate. The buckle plate is in the shape of a door-shaped bent plate. The positioning plate, the clamping plate is L-shaped bent plate and the outer wall of the bending position of the clamping plate is fixedly connected with a steel sheet. The invention realizes the quick connection between the horizontal steel and the vertical steel, and the construction operation is simple and convenient. Manual Just pull the positioning plate. When it is put into use later, through the coordinated design of the control rod and the balloon, the monitoring of the positioning device will be realized. Once the positioning device becomes loose, it will trigger the discoloration of the sponge pad, thereby reminding people and protecting them. property security.

By means of the shield tunneling prestress lining construction method and the used prestressed pipe pieces, one half of the shield tunneling prestress tunnel construction period is shortened, and one half of investment can be reduced.

The invention relates to a novel structure vibration isolator outer sleeve for a floating slab ballast bed; the outer sleeve comprises a bottom plate, an outer pipe, a lifting lug, a connecting plate and a limiting pin; the outer pipe is welded to the bottom plate, the lifting lug is welded to the outer side wall of the outer pipe, the connecting plate is welded to the inner side wall of the outer pipe, and the connecting plate is of a split type I-shaped structure. And the limiting pin is welded on the inner side wall of the outer pipe. The novel structure vibration isolator outer sleeve for the floating slab ballast bed has the following advantages and effects that 1, a reserved jacking space is formed in the connecting plate, a traditional external jacking tool clamp does not need to be adopted, and the early-stage construction progress of urban rail transit is accelerated; 2, the connecting plate is simple in structure, a complicated maintenance tool is cancelled, and a simple and rapid construction method is designed in a larger space; 3, the novel structure adopts a concise design and manufacturing process, so that the weight of the product is reduced; 4, the welding strength is high; 5, the device is suitable for floating slabs with different heights; and 6, the material utilization rate is high, and economy and environmental protection are achieved.