98results about How to "Solve sagging" patented technology

The invention relates to a filler composition and application thereof. The filler composition comprises a spherical siliceous micro powder filler and an angular siliceous micro powder filler, and can be used for preparing a copper clad laminate substrate and bonding sheet resin composition. The filler composition is formed by compounding the angular siliceous micro powder filler and the spherical siliceous micro powder filler, which have specific particle size distribution, the flowability of the composition and the sedimentary stability in a solution or resin system can be improved, the thickness uniformity and the component uniformity of the copper clad laminate substrate are improved, and not only the sagging and gummosis problems are solved, but also the production cost is reduced greatly.

The invention provides an uncoiler. The uncoiler comprises a frame body, an uncoiling device and a material feeding device. The frame body comprises an under frame and a vertical frame. The vertical frame is arranged on the under frame. The vertical frame and the under frame are arranged in a vertical mode. The material feeding device comprises a material pressing mechanism, a first material feeding mechanism and a second material feeding mechanism. The material pressing mechanism and the first material feeding mechanism are arranged on the two sides of the uncoiling device respectively. The second material feeding mechanism is arranged below the material pressing mechanism. The uncoiler has the advantages and the positive effects that due to the structure, the material feeding of the uncoiler is stable, and the drooping problem during the sheet material feeding procedure is solved.

The invention relates to a temporary support device for high-voltage cables, which includes a base and an anchoring mechanism. A left ear plate seat and a right ear plate seat are respectively arranged on the left and right sides of the upper part of the base, and an inverted U-shaped connection is arranged on the left ear plate seat and the right ear plate seat. Seat, the connecting seat is provided with a support rod body, the upper end of the support rod body is provided with a clamping mechanism, a pair of pull rings are symmetrically arranged on the front and rear sides of the support rod body, a pull rope for pulling up and fixing the support rod body is arranged on the pull ring, and a fixed rod body is set on the base. Pile, base, anchor mechanism, left lug seat, right lug seat, connection seat, support rod body and pull ring are all made of aluminum alloy, and the aluminum alloy is made of the following mass percentage: Mg: 2.0-3.2% ; Si: 3.5~4.5%; Mn: 0.2~0.3%; Cr: 0.1~0.2%; Zr: 0.18~0.25%; Ti: 0.35~0.40%; Yb: 0.15~0.3%; 0.05% impurities; the invention not only has high strength, good corrosion resistance and light weight, but also has compact structure, stable support and does not need to rely on nearby trees as a foundation.

The invention discloses a steel tube end seal ring and a sealing device, and belongs to the technical field of sealing equipment. The steel tube end seal ring comprises a seal ring body and a supporting block arranged in an annular groove, and a steel tube seal peripheral edge and an end face seal peripheral edge are arranged on the end face of the seal ring body; an arc-shaped supporting groove is formed in the end face of one side of the seal ring body; a convex ring provided with a through groove is arranged on the outer circumferential face of the seal ring body. The sealing device comprises a sealing head and a locating sleeve which are mutually matched, and the steel tube end seal ring is arranged in the sealing device. A supporting ring of the locating sleeve is arranged in a supporting groove of the sealing head in a jacking mode and a gap is reserved. The steel tube end seal ring and the sealing device have the advantages that the pre-sealing link is omitted, the efficiency is improved, and cost is saved; the problem that the seal ring droops is solved, so that a pressure testing head can be designed smaller, and therefore a high-pressure test can be conducted on steel tubes with the diameter phi being larger than six hundred and thirty millimeters; the gap between the supporting groove and the supporting ring guarantees the effect that the seal ring body can be moved in place during pressure exertion, and after pressure is removed, the seal ring body can recover the original shape.

The invention provides a preparation method of fluororubber used in paint, which uses free radical emulsion polymerization, uses water as disperse medium, and uses 0.001-5 weight account of fluorine emulsifier in each 100 weight account of water medium, uses 50-80% chlorotrifluoroethylene and 20-50mol% vinylidene fluoride as polymerization monomers, uses organic hyperoxide as initiator, uses 0.001-5 weight account of initiator in each 100 weight account of water medium, keeps polymerization monomer component constant in polymerization until the number average molecular weight of fluororubber is 50-450 thousand, uses freezing aggregation method after reaction to obtain the fluororubber product with high stability, better low permeability, improved solubility, effective controlled molecule structure and distribution, improved regularity and symmetry of molecular chain, reduced low-molecular-weight portion, and the application for resolving low solubility, sagging and wiring problems of fluorine paint in construction. The product can be used as paint to be dissolved into low-molecular-weight organic solvent to be used directly.

The invention discloses a waterborne dipping paint for engineering tracks, and a preparation method for the waterborne dipping paint, and relates to engineering track protective paints. The invention provides a waterborne dipping paint for the engineering tracks, and the volatile organic compounds (VOC) are less than 20g/L. The paint belongs to an environment-friendly coating, has low VOC content and small odor, is noninflammable and inexplosive, solves the problems that a solvent-based dipping paint and a water soluble dipping paint has harm to environment and human health, has the advantages of stable bath solution, convenience in construction, wide application range and suitability for large-scale industrial continuous production, solves various problems of sagging, edge shrinkage, bottom leakage, blur and the like of the dipping paint, and accords with the construction condition of low temperature drying or air drying. In the waterborne dipping paint for the engineering tracks, waterborne acrylic emulsion is taken as a base material, propylene glycol, a pH regulator, a dispersing agent, a wetting agent, a defoaming agent I, a defoaming agent II, an antiseptic, a film forming aid, a flashrust inhibitor, a base material wetting agent and a thickening agent are taken as aids, and carbon black and rutile type titanium dioxide are taken as pigments and fillers.

The invention provides a plate uncoiler and matched equipment. The plate uncoiler comprises a frame body, an uncoiling device and a feeding device. The frame body comprises a base frame and a vertical frame, the vertical frame is located on the base frame, and the vertical frame and the base frame are perpendicularly arranged. The feeding device comprises a material pressing mechanism, a first feeding mechanism and a second feeding mechanism. The material pressing mechanism and the first feeding mechanism are located on the two sides of the uncoiling device respectively, and the second feeding mechanism is located below the material pressing mechanism. A coiling device comprises a sliding mechanism and a supporting mechanism, and a motor supplies power to the sliding mechanism. The plate uncoiler and the matched equipment have the advantages that the uncoiler of the structure is stable in feeding, the drooping problem of plates in the feeding process is solved, and the coiling device which is matched with the plate uncoiler for use is high in degree of automation and convenient to use.

The invention discloses a reinforced optical fiber composite high-temperature-resistant overhead insulating cable which comprises a carbon fiber composite reinforced core. A plurality of round flexible aluminum wires and a stainless steel sleeve light unit are stranded on the outer side of the carbon fiber composite reinforced core in a concentric mode. A plurality of special-shaped flexible aluminum monofilaments which are distributed in a round shape are arranged on the outer sides of the round flexible aluminum wires and the outside of the stainless steel sleeve light unit, and a high-temperature-resistant insulating layer is arranged on the outer sides of the special-shaped flexible aluminum monofilaments. The reinforced optical fiber composite high-temperature-resistant overhead insulating cable is simple in structure, long in service life and suitable for reconstruction and construction of power grid overhead lines in urban and rural areas, can bear the tension strength of 2400Mpa, allows long-time operation temperature to be more than 180 DEG C, has communication and monitoring functions, can effectively solve the dropping problem of the cable, and guarantees safe operation of lines.

The invention provides a rivet plate for construction installation and a construction installation structure. The rivet plate comprises installation feet. A rivet plate body is punched to form the installation feet which are still connected onto the body, the installation feet are used for being embedded into concrete when the rivet plate is installed on a concrete foundation, and second connecting holes used for installing a secondary connector are further formed in the rivet plate; the second connecting holes are slot holes; a circle of inner teeth is arranged on the wall of each second connecting hole; antislip concave-convex positioning structures are arranged at compressed positions, which correspond to fasteners, of the peripheral surfaces of orifices of the second connecting holes and are positioned on the back of the rivet plate. The rivet plate and the construction installation structure have the advantages that installation and connection positions can be adjusted, deviation due to errors or position adjustment in a construction installation system can be offset, the rivet plate can be positioned with the fasteners and can be connected with the fasteners closely, permanently and firmly in an anti-loose manner without welding operation, and seismic requirements can be met. The invention further provides a fire prevention and heat resisting solution for the connection structure.

The invention discloses a mask net tensioning device, an evaporation device, a net tensioning method and an evaporation method. The net tensioning device comprises tension applying mechanisms, a guidemechanism, a mask net shape measuring unit and a tension control unit; the tension applying mechanisms are drive the two opposite sides of mask nets move opposite or same to each other; the guide mechanism is used for providing guide for the movement of the mask nets; the mask net shape measuring unit corresponds to the mask nets in position; the tension control unit is connected with the mask net shape measuring unit and the tension applying mechanisms. The flatness and the drooping deformation of the mask nets are measured through the mask net shape measuring unit, and the tension control unit is used for fitting the measured data, the tensioning force to be controlled is obtained, the tension application mechanism is used for controlling the tension application mechanism, and meanwhile, the tension applying mechanisms drive the guide mechanism to move and specified tensioning forces are applied to the mask nets, so that the problem of drooping of the mask nets is solved, meanwhile,automatic adjustment and control of the tension of the mask nets are achieved, the control precision is improved, the rejection rate and the manufacturing cost of the mask nets are reduced, and the yield is improved.

A backlight module to be used on liquid crystal display consists of sell, light tube, diffusion plate and support structure includes the first element, the second element and a buffer element, the first element having a slot for supporting light tube is used to connect light tube with shell, the buffer element is set between the first element and light tube and the second element having a bar is used to support diffusing plate.

The invention relates to a super-high molecular weight polyethylene reinforced pipe and a preparation method and production equipment thereof. The polyethylene reinforced pipe is characterized in that: a plurality of longitudinal reinforcing ribs are arranged on an outer wall of a pipe body. The super-high molecular weight polyethylene reinforced pipe comprises the following components in part by mass: 100 parts of super-high molecular weight polyethylene, 3 to 6 parts of talcpowder, 0 to 1.0 part of graphite and 0 to 25 parts of flame retardant antistatic material. A plastic reinforced pipe is directly extruded and molded; and the polyethylene reinforced pipe has the characteristics of low investment, is easy and convenient to produce and is practicable. The problem that the super-high molecular weight polyethylene reinforced pipe bends or hangs downwards during use is solved, and a super-high molecular weight polyethylene large-caliber ultra-thin wall pipe is extruded and molded. Because the talcpowder serves as a lubricating agent, the production loss of raw materials can be reduced by 2 percent; and due to the design of the reinforcing ribs, compared with a common super-high molecular weight polyethylene pipe, the reinforced pipe has a wall thickness which can be reduced by over 20 percent under the conditions of the same pressure and the same caliber.

The invention provides an installation structure of an assembly type prefabricated stepped ceiling light trough. The installation structure comprises a ceiling plate, a vertical plate, a vertical connection piece, a vertical connection piece, a light trough line, a light belt assembly and a fixing strip, wherein the ceiling plate is arranged in the horizontal direction and provided with suspensionclasps which comprise the first suspension clasp and the second suspension clasp; the vertical plate is arranged in the vertical direction and is in clamping connection with the ceiling plate; the top and the bottom of the vertical connection piece are fixedly connected with a crown wall and the second suspension clasp; the light trough line is arranged on the outer side of the ceiling plate andis in clamping connection with the ceiling plate, and the height of the vertical plate is larger than that of the light trough line; the light belt assembly is arranged between the vertical plate andthe light trough line and is close to the vertical plate; and the fixing strip is arranged on the inner side of the ceiling plate and fixed to a side wall after being in clamping connection with the ceiling plate. Compared with the prior art, the installation structure has the following advantages that factory prefabrication is achieved, the installation structure can be directly assembled on site, the installation procedure is simple, time and labor are saved, the construction efficiency is greatly improved, meanwhile, the installation quality is improved, and the construction cost is reduced.

The invention provides a drifting-proof rivet bolt and a connecting structure of a building appendage. The rivet bolt is provided with a fixing sleeve and a metal rivet rod which is provided with a dropping-proof riveting segment corresponding to the fixing sleeve; under the action of a tool, the fixing sleeve is pressed against a connecting part, an inner hole of the fixing sleeve is tightened and wrapped outside the dropping-proof riveting segment, and a bumpy inner-hole surface matching with dropping-preventing lines on the surface of the dropping-proof riveting segment is formed simultaneously; permanent connection is formed and welding is omitted. A slide-proof positioning structure is arranged on the fixing sleeve and/or a raised-head side. According to the drifting-proof rivet bolt, permanent and firm connection and dropping prevention can be realized, connecting strength is improved greatly, the requirement on shock absorption is met, and labor force and cost can be saved. Drifting-preventing and positioning relationships between the fixing sleeve and the building appendage, and the metal rivet rod and parts connected with the connecting part are brought in, structure is simple, using effect is good, and strength and firmness of connecting and mounting can be improved greatly. The invention further provides a solution for fire proofing and heat resisting of the rivet bolt, and the drifting-proof rivet bolt is adaptable to various fire resisting areas.

The invention relates to a long-acting acid-base resistant solvent-free anticorrosive paint which comprises a host crystal and a curing agent, wherein the weight part ratio of the host crystal to the curing agent is (100:20)-(100:60). According to the invention, the solvent-free anticorrosive paint is prepared in the following way: low-viscosity epoxy resin and modified phenolic resin are compounded with pigments, a rust-proof material, padding, a dispersing agent, an antifoaming agent, a flatting agent, an anti-sagging agent and the like, and then are matched up with cashew nut shell phenol modified amine, modified fatty amine, a catalyst and the like. The long-acting acid-base resistant solvent-free anticorrosive paint can be painted on the surfaces of various steel materials under the condition of air drying or low-temperature baking, and the film thickness of one-time anticorrosive paint coating is 800-1200 microns; the anticorrosive pain dries quickly, does not sag, is level in paint film, has excellent physical and chemical properties and the best long-acting protective function on steel material products, and is widely applied to painting of oil pipelines, ports, oil tanks, gas pipelines, steel material products needing heavy corrosion protection and the like.

The invention provides a secondary connector for construction installation and a construction installation structure. The secondary connector comprises a first installation plate and a second installation plate which are configured to form a right angle. The secondary connector is characterized in that connecting slot holes are formed in both the first installation plate and the second installation plate; a circle of inner teeth is arranged along the wall of each connecting slot hole, and antislip concave-convex positioning structures are arranged at compressed positions, which correspond to fasteners, of the peripheral surfaces of orifices of the connecting slot holes. The secondary connector and the construction installation structure have the advantages that the secondary connector and the construction installation structure are simple in structure, installation and connection positions can be adjusted, deviation due to errors or position adjustment in a construction installation system is offset, the secondary connector can have position relations with the fasteners and can be closely connected with the fasteners, welding operation is omitted while looseness of connection among the secondary connector and the fasteners is prevented, the secondary connector can be permanently and firmly connected with the fasteners, the installation safety is improved, installation labor can be saved, and the installation cost can be lowered. The invention further provides a fire prevention and heat resisting solution for the connection structure. The fire prevention and heat resisting solution can be applied to various fire prevention zones.

The invention provides a rotary traction device of a medium voltage cable catenary crosslinking production line. The device comprises an extruded machine, an upper obturator, a heating pipe, a suspension controller, a cooling pipe and a lower obturator. The rotary traction device also comprises an upper rotation tractor and a lower rotation tractor which have a same structure. The upper rotation tractor is arranged in front of the extruded machine. The lower rotation tractor is arranged behind the lower obturator. Each rotation tractor comprises a frame, a rotator and a rotation motor, wherein the rotator is connected to two ends of the frame through a bearing and the rotation motor is fixedly arranged on the frame. An outgoing line terminal of the rotator is installed with a rotary gear which is rotated concentrically. The rotation motor drives the rotary gear through a synchronization crawler belt. An incoming line terminal of the rotator is fixedly provided with a pair of guiding rollers. A pair of left conveyer and right conveyer which are centrosymmetric is arranged in the rotator. By using the device of the invention, a sagging problem of a cable insulation layer is effectively solved and an eccentricity of the cable insulation layer is reduced.

The invention provides a drifting-proof blind rivet bolt and a connecting structure of a building appendage. The blind rivet bolt is provided with a fixing sleeve, and a metal rivet rod of the blind rivet bolt is provided with a dropping-proof riveting segment corresponding to the fixing sleeve; under the action of a tool, the fixing sleeve is pressed against a connecting part, an inner hole of the fixing sleeve is tightened and wrapped outside the dropping-proof riveting segment, and a bumpy inner-hole surface matching with dropping-preventing lines on the surface of the dropping-proof riveting segment is formed simultaneously; permanent connection is formed and welding is omitted. According to the drifting-proof blind rivet bolt, permanent and firm connection and dropping prevention can be realized, connecting strength is improved greatly, the requirement on shock absorption is met, and labor force and cost can be saved. Drifting-preventing and positioning relationship between the fixing sleeve and the building appendage is brought in, structure is simple, and using effect is good. The invention further provides a solution for fire proofing and heat resisting of the drifting-proof blind rivet bolt, and the drifting-proof blind rivet bolt is adaptable to various fire resisting areas.

The invention relates to an axial elastic dish gear and a flexible power input joint mechanism thereof. The mechanism mainly comprises a power source, a machine frame, a gear shaft, a special gear, a transitional sleeve disk, a dome inner gear, a dish gear bracket and the like; the joint mainly comprises the dish gear, a sleeve disk and a worm wheel type rigid gear; the dish gear of the joint is an axial elastic gear and mainly comprises a mounting rib, inner and outer buffer rib plates, a spoke and the inner gear; and the flexible joint formed by the dish gear can transfer the power of a power shaft to a driven shaft in a variable direction.

The invention provides a linear transmission device. The linear transmission device comprises a U-shaped groove arranged on a guide rail, an opening synchronous belt arranged in the U-shaped groove, afixing and tensioning part used for fixing the two ends of the opening synchronous belt and tensioning the opening synchronous belt, a belt gear installed on a motor shaft of a motor fixed on a sliding block of the guide rail, and smooth wheels installed below the two sides of the belt gear. When the motor drives the belt gear to rotate, the belt gear provides the driving force used for enablingthe motor and the sliding block to do linear motion along the guide rail; and the motion distance of a linear guide rail machine can be greatly prolonged by adoption of the transmission mode.

Provided is a super-long water filtering pipe wire wrapping machine. The super-long water filtering pipe wire wrapping machine is composed of a power mechanism, a wire wrapping mechanism and a wire discharging mechanism. The wire wrapping mechanism comprises a rack, a pipe chuck and a pipe tail end lifting device, wherein the pipe chuck and the pipe tail end lifting device are arranged on one side of the rack. Bearing seats are fixed to the two ends of the H-shaped rack. A screw rod is rotatably fixed through the bearing seats. The middle of the rack is provided with a fusiform lifting wheel used for preventing the screw rod from bouncing. The rack is provided with a walking supporting board. The screw rod is rotatably provided with a fusiform nut which can pass through the fusiform lifting wheel in an accessible mode. The walking supporting board is provided with a wire wheel adjusting set and a head stabilizing wheel. The power mechanism is connected with the pipe chuck in a rotatable mode, and is connected with the screw rod in a power mode. The rotating speed of the pipe chuck and the moving speed of the walking supporting board are decided by a wire filtering gap on a water filtering pipe. By trying the fusiform nut and a fusiform lifting rotary wheel, the problem that when the screw rod of the wire wrapping machine is overlong, the screw rod is dropped down due to the gravity action is solved. The wire wrapping length of the water filtering pipe can be reached up to 13 meters, the wire wrapping length of the filter pipe is 5 to 6 times longer than a traditional water filtering pipe, and the difficulty of root through and wire wrapping of an oil casing is successfully solved.

The invention provides a rivet plate for construction installation and a construction installation structure. The rivet plate comprises first connecting holes and second connecting holes; the second connecting holes are used for installing a secondary connector; the second connecting holes are slot holes; the rivet plate is provided with sunk areas which are used for being buried in a concrete foundation, the second connecting holes are not positioned in the sunk areas, and space matched with convex heads of metal rivet rods of rivet bolts is formed on the peripheries of orifices of each second connecting holes and is positioned on the back of the rivet plate by the aid of the sunk areas; the first connecting holes are anchor rod connecting holes, and a circle of inner teeth is arranged on the wall of each second connecting hole; concave-convex positioning structures are arranged at compressed positions, which correspond to fasteners, of the peripheral surfaces of the orifices of the second connecting holes and are positioned on the back of the rivet plate. The rivet plate and the construction installation structure has the advantages that installation and connection positions can be adjusted, deviation due to errors or position adjustment in a construction installation system can be offset, the rivet plate can be positioned with the fasteners and can be connected with the fasteners closely, firmly and permanently in an anti-loose manner without welding operation, and seismic requirements can be met. The invention further provides a fire prevention and heat resisting solution for the connection structure.