56results about How to "Effective tightening" patented technology

The invention relates to a fan blade flat sling and an exchangeable sling. The fan blade flat sling comprises a sling chain device, a T-shaped beam lifted at the lower end of the sling chain device, and a suspender arranged on the lower part of the T-shaped beam, wherein the sling chain device is composed of a lifting ring, a sling chain hung on the lifting ring and a lifting hook; the T-shaped beam comprises a longitudinal beam and a transverse beam one end of which is connected to the middle of the longitudinal beam; a group of winding and unwinding devices are respectively arranged at two ends of the longitudinal beam; the suspender is divided into a blade tip suspender and a blade root suspender; two ends of the blade tip suspender are respectively lifted on suspension centers at the lower ends of the two groups of winding and unwinding devices; and the blade root suspender is hung on the suspension centers at the lower end of the transverse beam through a rotary pulley. The fan blade flat sling disclosed by the invention is applicable to aerial lifting, replacement, detachment and other operations of fan blades and has the advantages of low lifting cost, high efficiency, easiness and convenience in operation, wide application range and the like.

The invention provides a reinforced thermoplastic pipe (RTP) joint structure and a connection method thereof. The RTP joint structure comprises a first RTP, a second RTP, a PE electric melting joint and a GRE reinforced pipe hoop. The first RTP and the second RTP have the same external diameter, and the butt joint end faces of the first RTP and the second RTP are subjected to thermofusion welding. The internal diameter of the PE electric melting joint is matched with the external diameter of the first RTP, and a heating wire is preset and wound inside the PE electric melting joint. The outer wall of the PE electric melting joint is provided with an external thread. The PE electric melting joint simultaneously sleeves the first RTP and the second RTP and is subjected to electric fusion welding to the first RTP and the second RTP through the heating wire, the inner wall of the GRE reinforced pipe hoop is provided with an internal thread matched with the external thread of the PE electric melting joint, and the GRE reinforced pipe hoop is screwed on the external thread of the PE electric melting joint. According to the RTP joint structure, problems that in the prior art, an RTP connection part corrodes easily, is low in high pressure resistance and is subjected to wax deposition and blockage easily can be effectively solved.

The invention discloses a hoop device based on a triangular structure, relates to the technical field of oil pipeline hoops, and avoids the inability to ensure the stability of the oil pipeline clamping in the prior art; it includes a support mechanism for hugging the oil pipeline periphery and an adjustment assembly for adjusting the distance between the support mechanisms and locking them. The support mechanism includes an upper support plate and a lower support plate oppositely arranged. There are three hoop plates and three sets of hoop plates for contacting the oil pipeline inside the support mechanism. An adjustable component that supports the hoop plate and is vertically connected with the support plate. The materials of the three hoop plates are all made of NBR. The three sets of adjustable components can make the corresponding hoop plate radially adjusted along the oil pipeline. A hollow cavity filled with a low-melting-point metal alloy is arranged in the hoop plate, and a heater for heating the low-melting-point metal alloy is arranged in the hollow cavity. By implementing the technical solution, the ductile triangular hoop mechanism is used to realize the stability of clamping the oil pipeline.

The invention discloses one-spray-six-weft-yarn high-count high-density large-width fabric and a production method. The production method includes that six 7.3tex combed yarns are made into a doubled yarn through doubling; long staple cotton not lower than 1.7 in maturity, of 37mm in main body length, of 3,7 in Micronaire value and within 2.5dtex in close-to raw cotton degree-of-thickness difference is adopted; six 7.3tex combed yarns are made into a doubled yarn through doubling, 7.3tex single yarn and 7.3tex/8 folded yarn are produced through opening and picking, carding, combing, doubling, roving, spinning, spooling, twisting and folding, and fabric with 5/3 warp face satin tissue and six spray weft is produced through processes of warping, sizing, drawing-in and weaving. Through reasonable spinning process and weaving process, the high-grade multi-spray-weft high-count high-density large-width fabric is produced, is clean and uniform, soft and comfortable in hand feeling, thick and solid, soft, smooth and bright in luster, has good hand feeling and clothing performance and ideal fabric for processing high-grade home textile products.

The invention is applicable to the field of optical design, which provides a reflective cup and a runway alarm lamp. The reflective cup comprises a cup body, wherein the cup body comprises a cone-shaped first cup body and a cone-shaped second cup body which are mutually butted; the included angle formed by a generating line of the first cup body and a central axis of the reflective cup is larger than that formed by the second cup body and the central axis; the first cup body and the second cup body are respectively provided with a first reflecting surface and a second reflecting surface; and the first reflecting surface and the second reflecting surface are respectively formed by sequentially and adjacently connecting a plurality of first sub-reflecting surfaces and a plurality of second sub-reflecting surfaces around the central axis. The reflective cup can effectively tighten light beams, so as to ensure that light can be emitted at a proper angle and the light loss is reduced; and the reflecting surfaces of the reflective cup comprise a plurality of sub-reflecting surfaces, so that sufficient light mixing treatment can be performed, and uniform light emitting is realized. The runway alarm lamp adopting the reflective cup can effectively improve the utility rate of luminous energy on the basis that the lighting demand of the runway alarm lamp is satisfied, and facilitates energy saving and environmental protection.

The invention discloses an expansion bolt convenient to use. The expansion bolt comprises a bolt body, a lower sleeve, an upper sleeve and a bolt tail body, wherein the top of the bolt body is connected with a bolt tail joint; the bolt tail body is welded at the top of the bolt tail joint; the top of the bolt tail body is connected with a bolt tail; a nut sleeves on the front end of the bolt body; the upper sleeve and the lower sleeve are respectively mounted at the middle part of the bolt body; the middle parts of the upper and lower sleeves are fixed through spring washers; forked plates are respectively arranged at the tail parts of the upper and lower sleeves. The expansion bolt convenient to use is simple in structure and convenient to install; the expansion bolt is integrally provided with separated sleeves which are respectively the upper sleeve and the lower sleeve; therefore, on one hand, a stabilization effect can be effectively played; on the other hand, by the separated sleeves, a user can easily expand the sleeves by just simply screwing the bolt, so that the sleeves can be inserted into a wall and the bolt can be fixed more firmly.

The invention relates to a molding and fixing structure of shoes, which belongs to the category of daily necessities. The molding and fixing structure comprises a shoe body and at least one ring body. In the technical scheme, the shoe body comprises a shoe heel and can be worn by a predetermined user, and an accommodating space is formed by the shoe heel on the bottom surface of the shoe body; the ring body can be sleeved on the shoe body and the foot of the user, and the ring body is arranged in the accommodating space in a surrounding way; and due to the arrangement of the ring body, the user can make use of the ring body to fit the clothing and the shoe bodies being worn. The invention has the practical progress of various changes in the shoe bodies.

The present invention relates to a new-type eye cream and its preparation method. Said preparation method includes the following steps: preparation of raw material: (by wt%) 10-12% of fresh carmomile, 10-12% of honey, 5-7% of royal jelly, 5-7% of jasmine alsolute sambac and 62-70% of solvent; preparation of carmonile: including pretreatment, pulping and distillation; preparation of solvent: nutural pectin: pure water=1:1-1.5:2; and preparation of eye cream; including purification, heating solvent and mixing. Said eye cream can be used for effectively lightening black eye socket and eliminating eyelid area.

The invention discloses a geogrid soil anchoring device and a construction method thereof. The geogrid soil anchoring device comprises an anchoring rod and a hammer-shaped head, wherein the anchoringrod is in an inverted U shape, and the hammer-shaped head is arranged at the bottom of the hammer-shaped head. The construction method comprises the following steps of: 1) laying geogrids; 2) checkingthe anchoring device and an anchoring device mounting seat; 3) fixing the anchoring device on the mounting seat; 4) anchoring the geogrids by using the anchoring device; 5) fixing all geogrids on anembankment; 6) testing the anchoring degree of the anchoring device. The anchoring device can effectively tighten the geogrids, the anchoring device is easier driven into a cushion layer, and the anchoring device driven into the cushion layer is more difficult to pull out. According to the invention, manual support of the anchoring device is not needed, and the probability of injury to the construction personnel when the anchoring device is driven into the cushion layer is reduced, meanwhile, that the anchoring device can be perpendicular to the cushion layer is ensured and the anchoring effect of the anchoring device is enhanced.

The invention relates to a stomach digestion promoting auxiliary device for the traditional Chinese medicine gastroenterology department. The device effectively solves the problems that existing medicines taken for promoting stomach digestion disturb the digestive system and massage treatment consumes a lot of physical strength of doctors and has low treatment efficiency. According to the technical scheme, the device comprises a seat, the front end of the seat is rotatably matched with a fastening ring, a driving box is arranged in the middle of the tightening ring, a reciprocating device is arranged in the driving box, and a massage box is fixed to the end, facing the seat, of the reciprocating device; the end, facing the seat, of the massage box is rotatably matched with two massage rollers, driving plates are fixed to one ends of the massage rollers, a plurality of driving pins are circumferentially and uniformly fixed to the outer sides of the two driving plates, the driving pins are meshed with a worm, and thus the worm drives the driving plates to rotate when rotating; a base slidably matched with the massage box in the vertical direction is arranged at the lower end of any massage roller, the worm is driven by a forward and reverse rotation motor, and the forward and reverse rotation motor is provided with a power source arranged in the massage box. The device is ingenious in structure, high in practicability and good in treatment effect.

The invention discloses a vehicle seat safety device which comprises a seat. The vehicle seat safety device is characterized in that press arms are arranged on two sides of the seat and connected through a rotating shaft and can rotate upwards and downwards or leftwards and rightwards around the rotating shaft, and a locking device is connected on each press arm and can limit rotating of the corresponding press arm. A flexible fixing mode of existing vehicle safety belts is changed into rigid fixing; after drivers and passengers adjust the press arms to proper positions, the press arms are fixed and kept still and stably fix the passengers in seats, and life safety of the drivers and the passengers can be protected even if accidents occur.

The invention discloses a pesticide spraying machine which comprises a machine frame and a pesticide box. The pesticide box is arranged on the machine frame, a first spraying frame and a second spraying frame are arranged below the machine frame, and the first spraying frame and the second spraying frame are both rotationally connected to the lower surface of the machine frame and are opened towards the two sides; a fan is further arranged between the first spraying frame and the second spraying frame, a connecting rod is arranged between the fan and the machine frame, one end of the connecting rod is rotatably connected with the machine frame, and the other end of the connecting rod is fixedly connected with the fan; and a pesticide box fixing frame is arranged on the machine frame, a fixing device used for fixing the relative position of the pesticide box in the pesticide box fixing frame is arranged on the side wall of the pesticide box fixing frame, a horizontally-arranged stirringrod is arranged in the middle of the pesticide box, and stirring blades are arranged on the surface of the stirring rod in the length direction of the stirring rod. The pesticide spraying machine issimple in structure, machine frame while the first spraying frame and the second spraying frame rotate towards the two sides and stems and leaves are sprayed.

The invention discloses a bearing bush type spinning wheel seat device; it comprises a spinning wheel mechanism for spinning workpieces, the spinning wheel mechanism is installed on a spinning machine tool through a connecting arm, the connecting arm is an angle-adjustable structure, and it includes a connecting plate , Rotary wheel arm; on the arc line of the right edge of the connecting plate, there are a plurality of A hinged hole arrays with the same diameter, which are formed by hinged holes; There are multiple B reaming hole arrays composed of reaming holes with the same diameter distributed; the connecting plate and the disc of the rotating wheel arm are installed together through the central shaft, and at this time the arc groove of the connecting plate and the arc groove of the rotating wheel arm Corresponding to each other, the A reaming hole array and the B reaming hole array correspond to each other, and they are all on the arc of a circle with the same diameter. The technical means of this device is simple and easy to operate, not only overcomes the defect that the traditional fork-type spinning device cannot meet the requirements of different roller installation angles, but also overcomes the technical problems such as cumbersome maintenance and replacement of the traditional roller device.

The invention discloses a novel warm-keeping and heating garment comprising a garment body, sleeves communicate with two sides of the garment body, rubber rings are fixedly connected to the bottoms ofthe surfaces of the sleeves, a zipper is fixedly connected to a middle shaft on the surface of the garment body, a heating area is arranged on the surface of the garment body, the garment body comprises polyester windproof fabric and cotton warm-keeping fabric, and a hollow interlayer is arranged on an opposite side, opposite to the cotton warm-keeping fabric, of the polyester windproof fabric. Through the garment body, the heating area, a storage bag, a connecting wire, an electric heating alloy wire, the polyester windproof fabric, the cotton warm-keeping fabric, the hollow interlayer, a connecting plug and a mobile power supply, the garment can achieve warm-keeping and heating functions, and the problem that two functions of keeping attractive and keeping warm cannot be simultaneouslyrealized when the garments in the existing market only rely on thickness for keeping warm, and the wearing selection of users is single, which does not facilitate wearing of the users is solved.

The invention provides a wind-resistant outdoor explosion-proof power distribution box. The wind-resistant outdoor explosion-proof power distribution box comprises a power distribution box shell, an opening in one side of the distribution box shell is provided with a ventilation cavity, an inflation tightening mechanism and an air pressure control mechanism are arranged in the distribution box shell, the inflation tightening mechanism comprises an air pressure shell, a wire clamping pipe A, a pressing piston, a ventilation plate, a non-return air plug, a linkage piston, a push rod, a wire tightening block with a groove and a rotating shaft with a sliding groove, and the air pressure shell is fixedly installed in the distribution box shell. The wire cable is provided with the wire clamping pipe A to drive the pressing piston to inflate the interior of the air pressure shell, and the non-return air plug prevents the inflated air pressure from leaking, so that the grooved wire tightening block is effectively pushed to tighten the wire cable, and the wire cable is prevented from being blown by wind to be hung on foreign objects such as branches and the like to be damaged. And the economic loss is reduced, dangerous accidents are reduced, and the device is very practical and convenient.

The invention belongs to a construction method for passing through a muddy loose tunnel collapse body. The construction method comprises the following steps that a plurality of steel bars distributedat intervals are driven forwards and obliquely along a tunnel excavation contour line to form a steel bar net shed; grouting guide pipes or grouting guide pipes and grouting long steel pipes which arealternately arranged are horizontally driven forwards along the steel bar net shed driven along the tunnel excavation contour line; and grouting consolidation is carried out on soil in front of a tunnel through the driven grouting guide pipes or grouting long steel pipes to form an annular belt-shaped grouting consolidation arch for protecting the tunnel or form a canine convex annular belt-shaped grouting consolidation arch, and support is provided for tunnel excavation and support. The construction method can quickly pass through the muddy loose tunnel collapse body at low cost and has theadvantages of being low in construction cost, short in construction period and low in safety risk.

The invention discloses a thyroid medical surgical operating instrument, and relates to the technical field of medical surgery. The thyroid medical surgical operating instrument comprises a frame body, wherein a base is fixedly mounted on the lower end surface of the frame body, a display screen is fixedly mounted at the middle of the front end surface of the frame body, and a plurality of controlbuttons are fixedly mounted at the position below the display screen, of the front end surface of the frame body; and a holding rod is fixedly connected to the position close to the middle of the upper end, of the end surface of one side of the frame body through a connecting cable, a detection probe is fixedly mounted outside the holding rod, and a plurality of cable sockets are fixedly mountedat the positions close to the lower end, of the end surface of one side of the frame body. According to the operating instrument, the clamping and limiting effect on the frame body is effectively achieved, operation and treatment work of external personnel is facilitated, pulling force is effectively generated on a tightening rod and a tightening pad, the tightening rod and the tightening pad arefully clamped with the hands of the external personnel, and the condition that the operating instrument falls down when the external personnel operates the operating instrument for treatment, can be avoided.