41results about How to "Not easy to bend and break" patented technology

A panel fastening method for a casing is disclosed. A pair of arc slide slots symmetrical to the central point of the front plate is made on the front plate of casing. The symmetrical ends of said two arc slide slots have a notch made inward. Said front plate has also two locating holes outside the slide slots. Said panel has a pair of fastening posts, which is perpendicular to the panel, and slide in said slide slot, and has a hook body at its end for matching with said notch of slide slot. Said panel has also two locating bosses relative to said locating holes on the front plate of casing.

The invention relates to a reinforced type wind-driven generator which fundamentally solves the problems of poor mechanical strength, large execution difficulty, poor practicability and the like existing in the existing large-sized wind-driven generator. The reinforced type wind-driven generator has the technical key points that both ends of a central shaft of an impeller group are assembled on a central shaft bracket arranged on a rotating disc type platform by utilizing a bearing and a bearing seat, the root of a vane of the impeller group is fixed on a vane connecting sleeve on the central shaft, the tip of the vane is fixed on the wheel edge of the impeller group, the middle part of the vane is fixed on a transmission support ring arranged between the central shaft and the wheel edge, both sides of the vane connecting sleeve on the central shaft are respectively provided with an inclined pull rope fixing disc fixed with an inclined pull rope, the other end of the inclined pull rope penetrates through the transmission support ring to be fixed with the wheel edge, the vane is additionally provided with a vane inclined pull rope which is connected with the inclined pull rope fixing disc, and an impeller support rack used for supporting the impeller group is fixedly installed on the rotating disc type platform. The stress of the vane of the reinforced type wind-driven generator is uniform, the vane of the reinforced type wind-driven generator can be assembled on the spot, and the reinforced type wind-driven generator has wide speed adjustable range and does not need a transmission case. The reinforced type wind-driven generator is suitable for various wind-driven power generation places.

The invention discloses an LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards. The LED display screen module comprises a circuit board, wherein the circuit board comprises a plurality of groups of LED lamp boards and a plurality of groups of driving boards, which are matched and connected mutually; each module comprises the plurality of groups of LED lamp boards and the plurality of driving boards, which are matched and connected mutually, and the large module is divided into a plurality of independent display units, so that signal interfaces and power supply interfaces can be more accurately butted; a PIN needle is not easy to bend and break and the connectedness of signals is enhanced; the frame loss rate of signal transmission is reduced and the time consumed in a module mounting process is reduced; meanwhile, the heat dissipation effect is further enhanced.

The invention relates to the field of municipal pipeline construction, in particular to a construction method of municipal road pipelines. The construction method comprises the steps that S1, trenchesare excavated; S2, the bottoms of the trenches are leveled; S3, pipeline seats are placed; S4, pipeline units are hoisted; S5, cement mortar is coated on the outer walls of the joints of the adjacentpipeline units; S6, after concrete connecting pipes are solidified, the trenches are filled with gravels; S7, slurries are poured into the trenches until the slurry level is higher than the gravels;S8, the tops of the trenches are completely covered with waterproof materials, and then still standing is conducted for at least 3 d; S9, the trenches are backfilled with soil to the soil layer heighthigher than the original pavement; S10, the backfilled soil is compacted to form a road soil layer; S11, the height of the road soil layer is adjusted to meet the road design requirements; and S12, roads are paved. The construction method has the effects that the municipal road pipelines are not prone to bending and breaking due to local stress, the structure is stable, leakage is not prone occurring, the pavement is stably supported, and the quality of the municipal roads and the municipal road pipelines is good.

The invention discloses a digitization bone fracture plate and a manufacturing method thereof. The bone fracture plate comprises a body, wherein the body comprises a supporting section and connecting sections extended from each end part of the supporting section; screw holes are arranged on the connecting sections; the thickness of the connecting sections is smaller than that of the supporting section; and the top surface of the body transits smoothly from the supporting section to the connecting sections. The manufacturing method comprises: a, data acquisition: acquiring digital imageology materials of bones; b, modeling: setting up a three-dimensional module of the bone fracture plate, thus profile data of the three-dimensional module of the bone fracture plate is obtained; c, command conversion: designing a processing command of a digital control processing device; and d, bone fracture plate molding: preparing the bone fracture plate by utilizing a rapid molding technology according to the processing command by the digital control processing device. The invention has the advantages that because the supporting section attached to the fracture breaking end comprises no screw holes, the supporting section has not damaged structure, can bear force well, and is not easy to bend and crack; because the thickness of the supporting section is reduced, the volume occupied in the bodyby the bone fracture plate is reduced, and the stimulation to the surrounding muscle and soft tissue is reduced; and the manufacturing method of the bone fracture plate can be used to ensure the smooth manufacturing of the bone fracture plate.

The invention discloses polyethylene plastic with good toughness and excellent thermal stability. The polyethylene plastic comprises the following raw materials in parts by weight: 15-25 parts of linear low density polyethylene, 4-8 parts of phenolic resin, 10-15 parts of epoxy resin, 50-70 parts of polypropylene, 2-6 parts of dimethyl aminopropyl amine, 2-6 parts of beta-hydroxyethyl ethylenediamine, 4-10 parts of apatite, 8-12 parts of barium metaborate, 4-8 parts of zinc borate, 8-14 parts of an attapulgite graphene oxide compound, 2-4 parts of polycarbonate, 2-6 parts of phthalic acid diethyl ester, 1-2 parts of polymethyl methacrylate, 2-4 parts of liquid paraffin, 4-8 parts of dipropylene glycol, 2-4 parts of coal tar, and 2-6 parts of an antioxidant. The polyethylene plastic with good toughness and excellent thermal stability, which is disclosed by the invention, is not only good in corrosion resistance and toughness and excellent in thermal stability, but also relatively high in rigidity and not liable to bend or break.

The invention relates to the technical field of cables, in particular to a high-performance heat-resistant mineral fireproof cable. The cable comprises a cable body, and the cable body comprises an outer insulating layer, an inner insulating layer and a plurality of cable cores; a base is arranged on the cable body, and a groove is formed in the upper surface of the base; a rotating shaft is arranged between fixed blocks at the two ends of one side of the base, and a baffle is arranged at the other side of the base; an arched cover plate is arranged on the base, a connector is arranged at one side of the arched cover plate, and a limiting plate is arranged at the other side. According to the high-performance heat-resistant mineral fireproof cable provided by the invention, the cable body is placed in the groove in the base, the arched cover plate is rotated to a position buckled above the groove, and a nut is screwed into the bottom end of the screw rod, so that the nut is attached to the limiting plate, the limiting plate is fixed on the upper surface of the baffle, and the outer surface of the cable body can be wrapped by the base and the arched cover plate, thereby improving the compression resistance of the cable body, and solving the problem of poor compression resistance of the heat-resistant mineral fireproof cable.

The invention relates to a reinforced type wind-driven generator which fundamentally solves the problems of poor mechanical strength, large execution difficulty, poor practicability and the like existing in the existing large-sized wind-driven generator. The reinforced type wind-driven generator has the technical key points that both ends of a central shaft of an impeller group are assembled on acentral shaft bracket arranged on a rotating disc type platform by utilizing a bearing and a bearing seat, the root of a vane of the impeller group is fixed on a vane connecting sleeve on the centralshaft, the tip of the vane is fixed on the wheel edge of the impeller group, the middle part of the vane is fixed on a transmission support ring arranged between the central shaft and the wheel edge,both sides of the vane connecting sleeve on the central shaft are respectively provided with an inclined pull rope fixing disc fixed with an inclined pull rope, the other end of the inclined pull rope penetrates through the transmission support ring to be fixed with the wheel edge, the vane is additionally provided with a vane inclined pull rope which is connected with the inclined pull rope fixing disc, and an impeller support rack used for supporting the impeller group is fixedly installed on the rotating disc type platform. The stress of the vane of the reinforced type wind-driven generator is uniform, the vane of the reinforced type wind-driven generator can be assembled on the spot, and the reinforced type wind-driven generator has wide speed adjustable range and does not need a transmission case. The reinforced type wind-driven generator is suitable for various wind-driven power generation places.

The present invention discloses a bending-resistant flexible cable, including an anti-bending element, a cable core, a wrapping layer, a woven reinforcement layer and a wear-resistant sheath layer that are sequentially distributed from the inside to the outside. The anti-bending element includes a reinforcement core and an elastic sheath. A plurality of curved segments are evenly disposed around the outer side of the reinforcement core. The elastic sheath is sleeved on the outer side of the reinforcement core. A plurality of splitting segments are evenly arranged around the outer side of the elastic sheath. A pair of cable cores are disposed between adjacent splitting segments. A shielding rubber sleeve is disposed on an outer side of the cable core, and the shielding rubber sleeve is internally filled with a plurality of lead bead chains. The wrapping layer is disposed on the outer side of the cable core, the woven reinforcing layer is disposed on the outer layer of the wrapping layer, and the outer side of the woven reinforcing layer is extruded with the wear-resistant sheath layer. In the present invention, the cable can have strong resistance to bending and deformation, has a reasonable structure, is not easy to be bent and damaged, and has a long service life, and is favorable for popularization and application.

The invention discloses a prefabricated assembled bentonite material vertical barrier structure and method for underground pollution control. It includes at least one prefabricated barrier wall, a trench is opened between the polluted aquifer and the unpolluted aquifer, the trench extends into the aquifer, the prefabricated barrier wall is placed in the trench and the lower part is embedded in the In the water-resistant layer, there are ring male and female joints at both ends of a single prefabricated partition wall, and multiple prefabricated partition walls are connected by ring male and female joints to form a continuous vertical partition wall. The gap between the joints is filled and sealed with joint sealing material; the top of the groove is provided with a guide wall. The invention has the advantages of extremely low permeability, enhanced wall rigidity and thickness, high chemical compatibility, reliable wall joints, fast construction, etc., and is suitable for working conditions with high requirements for pollution prevention and control.

The invention relates to a solid wood seamless bending production line, which includes a humidifying device, a cutting device, a heating device, a compressing device, a forming device, a mould, a hot air drying device, a microwave drying device and a blending device; the humidifying device includes a closed humidifying barrel and The water tank; the heating device includes a closed heating barrel and the first hot air pipe; the compression device includes a workbench, a pressing device, a fixing block and a first hydraulic cylinder; the mold is provided with a clamping assembly. The wood is humidified by the humidifying device, cut by the cutting device, heated and softened by the heating device, length compressed by the compression device, shaped by the forming device, bent and shaped by the mold, hot gas drying by the hot gas drying device, and microwave by the microwave heating device. Dried to be bent into shape. The invention improves the utilization rate of wood, strengthens the strength of curved parts, and ensures the texture and color effect of the surface of the product and the quality of paint finishing.

The invention relates to a wallboard used on a building, and discloses a fluorocarbon metal light composite board. The composite board comprises an upper layer and a lower layer, wherein the upper layer is a foamed heat insulation layer; the lower layer is an aluminum veneer, and a fluorocarbon paint is adhered to the outer surface of the aluminum veneer; grids are arranged in the foamed heat insulation layer, and the grids are formed by staggering longitudinal reinforcing ribs and transverse reinforcing ribs in a perforation mode; the longitudinal reinforcing ribs and the transverse reinforcing ribs are provided with bolt fixing slots for fixing the composite board and a wall; the longitudinal reinforcing ribs are provided with a plurality of diversion holes; and an adhesive layer is arranged between the grids and the aluminum veneer. According to the technical scheme, the heat preservation performance and the heat insulation effect of the composite board are improved; firmness, strength and flatness of the composite board are improved; and the composite board is convenient to make, install and fix.

The invention relates to the field of road construction. Aiming at the problem that the part of the concrete cap far away from the support pile is easily bent and broken when it is under pressure, resulting in a decrease in the structural stability of the roadbed, a construction method for a municipal soft soil roadbed is provided. The technical scheme is as follows Including: S1. foundation pit excavation; S2. compaction at the bottom of the foundation pit; S3. sinking support piles into the bottom of the foundation pit; S4. pouring concrete grout in the foundation pit to form a concrete cap; Minutes: 100 parts of Portland cement; 200-250 parts of coarse aggregate; 100-150 parts of fine aggregate; 50-100 parts of residual mud; 15-30 parts of glass fiber; 1-3 parts of tetraphenylmethane; 90 parts of water -110 parts; The length of the glass fiber is 2-5cm. By adding tetraphenylmethane into the concrete slurry, the compressive strength of the concrete cap formed by the concrete slurry is greatly improved, and at the same time, the bending resistance of the concrete cap is improved, so that the concrete cap is not easy to bend and break when it is far away from the support pile , making the subgrade structure stable and ensuring road safety.

The invention belongs to the technical field of orthopedic surgery, and particularly relates to an orthopedic arthroscopic surgery auxiliary device, which comprises a base, wherein a fixing seat is arranged at the top end of the base, an opening is formed in the top end of the fixing seat, an adjusting supporting column is arranged in the opening, a table plate is connected to the top end of the adjusting supporting column, a material part is arranged on the back surface of the table plate, a thigh placing part is arranged at the top end of the table plate, an adjusting screw rod is arranged on the front end face of the fixing seat, six sets of connecting thread grooves matched with the adjusting screw rod are formed in the front end surface of the adjusting supporting column, a reinforcing part is arranged on the outer side of the fixing seat, grooves are formed in the left side and the right side of the top end of the fixing seat. rotating rods are connected to the front end and the rear end of the inner cavity of the groove, adjusting inclined supporting plates are arranged on the outer sides of the rotating rods, and a shank placing part is connected to the right side of the thigh placing part. The device is simple in structure and facilitates joint angle adjustment in the operation process.

The invention discloses a wall crane which comprises a side column. An upper left plate and an upper right plate are arranged on two sides of the upper end of the side column; a lower left plate and alower right plate are arranged on two sides of the lower end of the side column; the upper left plate and the upper right plate are fixedly connected through a fixed bolt; the lower left plate and the lower right plate are further fixedly connected through a fixed bolt; an upper support plate is arranged on the side surface of the upper right plate; a lower support plate is arranged on the side surface of the lower right plate; a rotary column is arranged between the upper support plate and the lower support plate; one end of the rotary column penetrates through the upper support plate so asto be fixedly connected with an output shaft of a gear motor through a coupler; the gear motor is fixedly arranged on the top part of the upper support plate; and the other end of the rotary column penetrates through the lower support plate so as to be rotatably connected with a bearing. According to the wall crane provided by the invention, through arranging the upper right plate, the lower rightplate, the rotary column, a first connecting rod and a second connecting rod, the problems that a traditional wall crane is poor in stability and difficult to hoist heavy objects in different directions are solved.

The invention relates to the field of municipal pipeline construction, in particular to a municipal road pipeline construction method, which includes: S1. excavating a trench; S2. leveling the bottom of the trench; S3. placing a pipeline seat; S4. hoisting a pipeline unit; S5. Paint cement mortar on the outer wall of the joint of adjacent pipeline units; S6. After the concrete connecting pipe is solidified, fill the groove with gravel; S7. Inject mud into the groove until the mud level is higher than the gravel; S8. Use After the waterproof material completely covers the top of the trench, let it stand for at least 3 days; S9. Backfill the soil in the trench to a height higher than the original road surface; S10. Compact the backfilled soil to form a road soil layer; S11. Adjust the height of the road soil layer to Meet road design requirements; S12. Pave roads. The invention has the effects that the municipal road pipeline is not easy to be bent and broken due to local force, the structure is stable, the leakage is not easy to occur, the road surface is stably supported, and the quality of the municipal road and the municipal road pipeline is better.

The invention discloses a stamping die set of a harvester picker jaw. The stamping die set is composed of a positioning hole stamping unit, a notch stamping unit, a first bending stamping unit and a second bending stamping unit. The first bending stamping unit comprises a bending stamping block and a bending stamping base, wherein the bending stamping block and the bending stamping base are matched. The second bending stamping unit comprises a forming stamping block and a forming stamping base, the bearing surface of the forming stamping base is matched with the stamping surface of the bending stamping block, the bearing surface of the forming stamping base is provided with a groove matched with a stamping head of the forming stamping block, and a jaw machined part to be formed does not interfere with the forming stamping block when the second bending stamping unit is in a stamping state. By the application of the die set, the first bending stamping unit and the second bending stamping unit are adopted to integrally bend the jaw machined part step by step, the bending angle is accurate, the bending surface of the jaw is smooth and standard after the jaw is bent, the jaw is not prone to being bent or broken in the machining process, the forming percent of pass of the jaw machined part is increased, and the quality of the jaw is improved.