75results about How to "Not easy to fold" patented technology

The invention is a tunnel lining carrier, where a group of templates comprises top plate, two side templates and two bottom templates, the cross sections at the interfaces between the top template and the two side templates and between the two side templates and the two bottom templates are horn-shaped, and their outer edges are hinged with flat top hinge and their inner edges are connected with regulating screws; a template bracket comprises top longitudinal beam, cross beam, bottom longitudinal beam, column and inclined strut. And the carrier comprises door frame, girder summer and moving system; folding supports arms are connected between the bottom surface of the crossbeam and the bottom ends of the two side templates, side moving hydraulic oil cylinder is connected between the bottom longitudinal beam and the girder summer, expanding hydraulic oil cylinders are connected between the large arms of the folding support arms and the two bottom ends of the top template, and opening hydraulic oil cylinders are connected in the horn-shaped positions between the side and bottom templates.

In order to provide a biaxially stretched polypropylene film having higher thermal resistance and rigidity, this biaxially oriented polypropylene film is characterized by: a polypropylene resin constituting the film fulfilling conditions 1)-4); and the lower limit of a plane orientation coefficient for the film being 0.0125. 1) The mesopentad fraction lower limit being 96%. 2) The upper limit forthe amount of copolymerized monomers other than propylene being 0.1 mol%. 3) Mass average molecular weight (Mw)/number average molecular weight (Mn) being 3.0-5.4. 4) The melt flow rate (MFR) measuredat 230 DEG C and 2.16 kgf being 6.2-9.0 g/10 min.

The invention discloses a fabric for a safety air bag. Two or more filaments with different initial moduli exist in the warp direction and/or the weft direction of the fabric, and the initial modulusdifference ratio of the high initial modulus filaments to the low initial modulus filaments is 10 to 70 percent. The sewn part of the fabric has good slippage resistance, and the fabric has good rigidity and softness and folding property.

The invention provides layout equipment and a layout method for multiple integrated sensors in a deep part of a landslide, a penetration type monitoring body comprises a sleeve and a sensor penetration shear, the sensor penetration shear is arranged in a scissor shape, and a first blade and a second blade rotate oppositely or oppositely in the vertical direction, so that the sensor penetration shear has an initial position and a monitoring position; when the sensor penetration shear is located at the initial position, the ends of the pressed parts of the first blade and the second blade are arranged at intervals in the vertical direction, when the sensor penetration shear is located at the monitoring position, the pressed parts move oppositely, and the shearing part penetrates out of the mounting hole to shear the sliding body. And a monitoring body arrangement system drives the sensor penetration shears to move from the initial position to the monitoring position. The technical scheme provided by the invention has the beneficial effects that the scissor-shaped sensor penetration shear is mounted on the sleeve, and the shearing part is sheared into a soil body, so that the stress is balanced, and the requirement on the sleeve is low; and the arrangement device adopts a local static force application design, is balanced in static force, is not easy to turn over, has low requirements on a pull rope, and does not generate winding.

The invention relates to a rotary pressing tooling for manufacturing asymmetric T-shaped rotary pressing belt wheels. An upper core mold and a lower core mold are arranged on rotary pressing equipment, a T-shaped thickening rotary wheel, a flat rotary wheel, a preforming tooth rotary wheel and a final forming tooth rotary wheel are respectively arranged on respective rotary wheel shafts, each rotary wheel and the upper and lower core molds are in corresponding arrangement, the work surface of the T-shaped thickening rotary wheel is provided with a groove, and the groove corresponds to a plate material tightly clamped by the upper core mold and the lower core mold. Materials are regulated to uniformly flow towards two sides according to proportions through the contact area between the circular arc of the groove and the material, the material flowing speed is also limited by the groove, the extrusion on the materials is also enhanced in the stack rotation process, the compactness is realized, the cracking and delamination possibilities are reduced, and the forming stability is improved. The flat rotary wheel is mainly used for continuously pushing distributed materials until the inner walls at two T-shaped sides are fully pasted with the upper core mold and the lower core mold through feeding. The rotary pressing tooling has the advantages that the processing process is stable, the rotary pressing effect is good, and conditions of folding, delamination and fracture of the materials cannot occur in the forming process.

The invention relates to the technical field of macromolecules, in particular to a spraying-free polycarbonate/acrylonitrile styrene/ultrahigh molecular weight polyethylene (PC/AS/UHMWPE) composite material and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 20-80 parts of polycarbonate, 20-50 parts of acrylonitrile-styrene resin, 20-70 parts of UHMWPE, 5-15 parts of a brightening agent, 3-10 parts of glass beads, 2-8 parts of an antioxidant, 1-5 parts of anti-ultraviolet (UV) agent and 2-10 parts of a heat stabilizer. The PC/AS/UHMWPE composite material provided by the invention has better properties such as flow property, bright property, self-lubricity, wear resistance and weather resistance, and is good in forming property and processing properties, low in cost and high in use value; the preparation method provided by the invention is simple, convenient to operate and control, stable in quality, high in production efficiency and low in production cost, thus being suitable for large-scale industrial production.

The invention discloses a compression-resistant corrugated cardboard. The main points of the technical scheme are as follows: from the outside to the inside, there are face paper, paper core layer and inner paper; The lower paper core layer, the upper paper core layer and the lower paper core layer are all arranged in a parabolic shape, and the extension direction of the upper paper core layer and the lower paper core layer are arranged at an angle. By adopting the above technical scheme, the structure of the traditional paper core layer has been improved. The orientations of the upper paper core layer and the lower paper core layer are different. When extruding force, since the extension direction of the upper paper core layer and the lower paper core layer are set at an angle (that is, they are not parallel to each other), the position of the linear pressure on the other layer must not be along the parabolic groove. The pressure bearing strength is relatively high, and it is not easy to fold over.

The invention relates to a packaging structure for a long resin anchoring agent. The packaging structure for the long resin anchoring agent comprises a sleeve, an anchoring agent packaging bag and a plurality of reinforcing ribs arranged in the circumference and/or the middle of the sleeve, wherein the reinforcing ribs are arranged in the length direction of the sleeve, the anchoring agent packaging bag is arranged on the sleeve, and the reinforcing ribs are used for supporting the anchoring agent packaging bag. The packaging structure has the beneficial effects that an anchor rod or an anchor rope is only required to be matched with one roll of the long resin anchoring agent, time for continuously arranging multiple rolls of the resin anchoring agents is saved, the resin anchoring agent is flexible and not prone to breakage under the action of the reinforcing ribs, and installation is convenient. The resin anchoring agent has more remarkable effect on construction especially under conditions of large section, full-length anchoring, surrounding rock breaking or bed separation. The packaging structure for the long resin anchoring agent is simple in structure, not prone to breakage, low in worker labor intensity and good in anchoring effect and has wide practicability.

The invention discloses a coat of which a collar support can be replaced. According to the technical scheme, the coat is characterized by comprising a coat body, sleeves connected to the coat body anda collar, the collar comprises a collar base which is connected with the coat body through a fixing part and the collar support which is integrally formed on the collar base, a collar-shielding lining is sewed at a collar office close to the coat body, a collar groove covering the collar base is formed by the collar-shielding lining and the coat body, a connection opening is formed in the collarbase, and a connection part which can penetrate through the connection opening is arranged on the collar-shielding lining and the coat body. The invention further discloses a manufacturing technologyof the coat of which the collar support can be replaced. The manufacturing technology of the coat of which the collar support can be replaced comprises the steps of manufacturing the collar and manufacturing the collar-shielding lining, wherein the step of manufacturing the collar comprises the procedures of manufacturing a collar surface and a collar bottom, sewing the collar surface and the upper opening of the collar bottom, sizing the collar, sewing hidden buttons on the coat body and the collar, tailoring the connection opening on the collar and sewing the collar, and the step of manufacturing the collar-shielding lining comprises the procedures of manufacturing the collar-shielding lining, sewing buttons at the portion, close to the collar office, on the collar-shielding lining and the coat body, and sewing the collar-shielding lining to the collar office of the coat body. The sewed hidden buttons for shielding the coat body can better shield the junction of the collar and the coat body.

The invention relates to the technical field of medical auxiliary equipment, in particular to a nasal mask with a nasal feeding tube channel. The nasal mask comprises a mask body, a forehead bracket arranged at the back end of the cover body, a forehead cushion arranged at the upper end of the forehead bracket, a respiration elbow arranged at the back end of the forehead bracket, and a nasal sleeve detachably connected to the front end of the mask body, wherein the bottom surface of the mask body is provided with a nasal feeding tube hole; the mask body is provided with a sealing part for sealing the nasal feeding tube hole. By adopting the nasal mask with the nasal feeding tube channel, a corresponding nasal sleeve can be selected according to the nose size of a patient, the feeling of the patient is considered comprehensively, and the patient feels comfortable. Through the nasal feeding tube hole, convenience is brought to the treatment, feeding, administration and the like of the patient wearing the nasal mask. The nasal mask has very high practicability.

The invention discloses an improved creasing and cutting machine. According to the technical scheme, the improved creasing and cutting machine comprises a machine frame, a fixed plate fixed to the machine frame and a turning plate which is in press fit with the fixed plate rotatably. The improved creasing and cutting machine further comprises a sliding groove, a suction disc, a lifting assembly and a pushing assembly, wherein the sliding groove is vertically formed in the fixed plate, and a notch of the sliding groove faces the turning plate; the suction disc is arranged in the sliding groove,the suction disc penetrates through the notch of the sliding groove to realize the suction with paper; the lifting assembly is fixed to the suction disc and drives the suction disc to enter and exitthe sliding groove; and the pushing assembly drives the lifting assembly to reciprocate transversely so as to move the suction disc separated from the sliding groove out of the extrusion position between the fixed plate and the turning plate, so that the purposes of improving the production efficiency is achieved, the occurrence of safety accidents is reduced, and the improved creasing and cuttingmachine is more environment-friendly.

The invention belongs to the technical field of hot melting welding, and particularly relates to a double-wheel-set different-axis pressurizing mechanism for a hot air welding machine and a working method and a using method of the mechanism. The mechanism comprises upper and lower belt wheel rotating synchronously and feeding and discharging wheels rotating synchronously; the synchronous rotatingspeed of the upper and lower belt wheels is V1, and the synchronous rotating speed of the feeding and discharging wheels is V2; and V2<=V1. According to the working method, the feeding wheel, the discharging wheel, the upper belt wheel and the lower belt wheel form a double-wheel-set structure and then rotate synchronously or differentially, and pressure conveying of a wiredrawing cloth, an upperedge covering belt and a lower edge covering belt is achieved. According to the using method, the upper edge covering belt, the lower edge covering belt and wiredrawing cloth penetrate into an inlet of the pressurizing mechanism, the upper belt wheel, the lower belt wheel, the feeding wheel and the discharging wheel rotate, and pressurizing conveying of the wiredrawing cloth, the upper edge covering belt and the lower edge covering belt is achieved. V2 is smaller than or equal to V1, the upper edge covering belt, the lower edge covering belt and the wiredrawing cloth are synchronously pressurized and conveyed, and materials are easy to turn round corners. The wiredrawing cloth is not prone to slipping due to resistance, the inner side section of the wiredrawing cloth is prevented from moving out of the upper and lower edge covering belts, welding is not prone to folding, and the welding quality is improved.

The invention relates to the technical field of adhesive tapes, and provides a non-silicon release agent for an aluminum foil adhesive tape against the problem of easy corrosion of non-silicon releaselayers. The non-silicon release agent comprises, by mass, 0.75-1 part of octadecyl acrylate, 102-136 parts of toluene, 21-28 parts of cyclohexanone, 4.5-6 parts of isocyanate, 0.45-0.6 part of ammonium alcohol ether sulphate, 0.45-0.6 part of carbon fibers and 0.45-0.6 part of a coupling agent. The addition of the carbon fibers is helpful for enhancing the corrosion resistance of the non-siliconrelease agent, so the non-silicon release layer is not prone to be corroded, thereby the protection of the aluminum foil adhesive tape by the non-silicon release layer is benefited; the addition of the ammonium alcohol ether sulphate is helpful for enhancing the antistatic property of the non-silicon release layer; and active hydrogen of an amino group on the ammonium alcohol ether sulphate can beeasily reacted with isocyanate to make molecular chains intertwined, so the formation of a crosslinked network between molecules is benefited to enhance the strength of the non-silicon release agent,thereby good protection of the aluminum foil adhesive tape by the non-silicon release layer is benefited.

The invention discloses an embroidering device. The embroidering device comprises a needle bar box arranged on an embroidery machine body and a material delivering device matched with the needle bar box, wherein a needle bar is fixed in the needle bar box; the material delivering device is sequentially provided with a discharging mechanism for fixing a material embroidering position, a guiding mechanism for guiding the direction and the position of the material as well as a retracting mechanism which is positioned in the delivering direction of the material and is used for delivering the material from bottom to top. The embroidering device disclosed by the invention has the advantages of simple structure, easiness in mounting, reduced manual operation, improved production efficiency, smooth guiding of the material, low possibility of twisting or quilling, and the like.

The invention discloses a geological survey device suitable for multiple terrains. The geological survey device comprises a bottom plate, a cylinder is welded on the bottom plate, and a support leg is slidably sleeved in the cylinder; wheels are arranged on the support leg, an adjusting mechanism is arranged on the bottom plate, and a fixing mechanism is arranged on the cylinder; a driving mechanism is arranged on the bottom plate, a frame is welded to the bottom plate, and a motor is fixedly installed on the frame; a rotating shaft of the motor is rotationally connected with the frame, a screw is welded to the rotating shaft, and a square cylinder is connected to the outer side of the screw through threads; a square rod is hinged to the square cylinder, the square cylinder is movably connected with the bottom plate, a limiting mechanism is arranged on the square rod, and a drill bit is fixedly installed on the square rod. The invention relates to the geological survey device suitable for multiple terrains. The geological survey device has the advantages that the geological survey device can be used on multiple terrains, and a drill bit can be folded and is not prone to collision.

The invention provides a foldable carrying net cage structure based on marine transportation engineering, and relates to the technical field of marine transportation engineering. The foldable carrying net cage structure aims to solve the problems that an existing foldable carrying net cage structure based on marine transportation engineering does not have the limiting and shaping effects, cannot ensure the safety of goods and the labor efficiency, and affects the time of the whole operation process; the existing foldable carrying net cage structure does not have the rotating and protecting capability, and cannot ensure the usability of the device due to the fact that goods wear parts; and the existing foldable carrying net cage structure does not have the self-locking capability, and is inconvenient to disassemble, assemble and assemble. The foldable carrying net cage structure comprises a main plate, wherein supporting rods are fixedly arranged at the end corners of the top of the main plate; telescopic plates are fixedly arranged at the bottom of the main plate; grooves are formed in the middles of the supporting rods, and pressing plates are fixedly arranged in the grooves; a grid plate is rotationally arranged at the top of the main plate; a plurality of sets of fixing plates are fixedly arranged at the end part of the top of the grid plate; and a handle is rotationally arranged on a cross rod at the top of the grid plate.

The invention relates to a hose of a shower head, comprising a hose main body, wherein one end of the hose main body is connected with a collar nut, and the other end of the hose main body is connected with a shower head casing joint; a spring hose is arranged outside the hose main body; and the spring hose surrounds the outside of the hose main body. The hose and the spring hose can be elongated; and the hose of a shower head is simple and convenient in installation, good in tensile property, practical and beautiful, and strong in reliability.