10results about How to "Bind firmly" patented technology

The utility model discloses a quadrangle slope roof which comprises a roof tile layer, a horizontal tile cushion layer, a protection layer, a waterproof isolation layer, a waterproof layer, a leveling layer, a moisture-proof heat preservation layer, an anti-corrosion layer and a base layer which are sequentially arranged from top to bottom, the moisture-proof heat preservation layer is made of an extruded polystyrene board, the percentage of closed area of the extruded polystyrene board reaches more than 90%, and the extruded polystyrene board has good heat insulation performance. Compared with the prior art, the extruded polystyrene board can effectively relieve heat transfer, so that the good heat preservation, energy saving and environment protection effects are achieved, the 1: 3 cement mortar leveling layer is arranged above the extruded polystyrene board for leveling, the waterproof layer is convenient to install, the compactness of the waterproof layer is improved, the waterproof layer is made of a double-layer self-adhesive tyred SBS modified asphalt waterproof roll with the thickness of 3 + 3 mm, and the waterproof effect is good. The waterproof isolation layer is a low-grade mortar isolation layer, and the low-grade mortar isolation layer is matched with the double-layer self-adhesion type tire SBS modified asphalt waterproof coiled material, so that the waterproof and fireproof performance of the slope roof can be greatly improved, and the situation of roof water leakage can be effectively avoided for a long time.

The utility model discloses an operating rod with comprehensive functions, which comprises a rod body, one end of the rod body is provided with a grab handle, the other end of the rod body is provided with a transition rod, at least two insulating rods are arranged between the grab handle and the transition rod, the insulating rods are matched with each other through a connecting rod, and the connecting rod is connected with the handle. One end part of the grab handle and one end part of the transition rod are respectively matched with one end of the adjacent insulating rod, the other end of the transition rod is provided with a fixed head, the transition rod is connected with the working head through the fixed head, and the working head can be replaced by a stringing device, an electroscope and a saw, so that various construction requirements of constructors can be met; different working heads are replaced according to different construction scenes, the types of construction tools needing to be carried are greatly reduced, the construction cost of constructors is reduced, and the construction efficiency is improved.

The invention relates to the technical field of reinforcing steel bar machining, in particular to a box beam top plate reinforcing steel bar binding device which comprises a rack, limiting cross rods arranged on the two sides of the top of the rack and supporting cross rods arranged on the tops of the two limiting cross rods correspondingly. The top of the rack is provided with a supporting mechanism used for adjusting the distance between the two supporting transverse rods and providing support for the supporting transverse rods, the supporting mechanism comprises a plurality of supporting connecting rods which are fixedly arranged on the inner side of the rack and distributed at equal intervals and movable transverse frames arranged at the two ends of the supporting connecting rods in a sliding mode respectively, and the limiting transverse rods are fixedly connected with the movable transverse frames. The box-shaped beam top plate reinforcing steel bar binding device can be matched with box-shaped beam top plates with different widths and different side inclination angles, the binding efficiency of box-shaped beam top plate reinforcing steel bars is improved, the application range of the reinforcing steel bar binding device is expanded, the reinforcing steel bar binding device can be suitable for more use conditions, waste of materials and labor is reduced, and the cost is reduced. The situation that when an existing steel bar binding device locates box beam top plate steel bars with different widths, more time and labor are wasted, and steel consumption is increased is avoided.

The invention provides a Tl-series superconducting thin film and a preparation method thereof, and belongs to the field of superconducting thin film materials. The preparation method of the Tl-series superconducting thin film provided by the invention comprises the following steps: mixing nitrate or acetate of metal, ethylenediaminetetraacetic acid, a water-soluble high-molecular polymer and water to obtain precursor sol; the metals are thallium, barium, calcium and copper; the molar ratio of thallium to barium to calcium to copper to ethylenediamine tetraacetic acid is (2-3): 2: 1: 2: (7-8); coating a substrate with the precursor sol to obtain a precursor film; and carrying out heat treatment on the precursor thin film in an oxygen atmosphere under a closed condition to obtain the Tl-series superconducting thin film. The Tl-series superconducting thin film obtained by the preparation method provided by the invention presents a Tl-2212 phase, no impurity phase is generated, and the critical transition temperature can reach 100K and is close to the Tl-2212 theoretical superconducting transition temperature.

The utility model relates to the field of steel bar binding, in particular to a steel bar binding fastener which comprises a base and a movable pull rod. The base comprises a bottom plate and a fixed drag hook, the fixed drag hook is located on the lower side of the left end of the bottom plate, clamping groove vertical side plates are arranged on the two sides of the fixed drag hook, a clamping groove transverse side plate is arranged on the lower side of the right end of the bottom plate, and a steel bar clamping groove is jointly formed among the fixed drag hook, the clamping groove vertical side plates, the bottom plate and the clamping groove transverse side plate; the hinged support is rotationally connected with one end of the movable pull rod; the movable pull rod is of a U-shaped structure, one side of an opening of the movable pull rod is rotatably connected with the hinged support, a draw hook pin thick shaft is rotatably arranged in the movable pull rod, a screw rod is arranged in the middle of the draw hook pin thick shaft in a penetrating mode, and an adjustable draw hook is arranged at the bottom of the screw rod. The binding iron wire can be tensioned by rotating the movable pull rod, then the steel bar body is fixed, convenience and rapidness are achieved, and binding is firm.

The utility model relates to a modularized binding and fixing device, and belongs to the technical field of modularized binding and fixing of rescue boats. The modularized binding fixator comprises a fixing frame, the inner wall of the fixing frame is rotationally connected with a binding wheel, and the surface of the binding wheel is wound with a binding band; the anti-loosening mechanism comprises a stirring wheel fixedly connected to one end of the binding wheel, the inner wall of the fixing frame is in threaded connection with a screw rod, the surface of the screw rod is in threaded connection with the inner wall of the stirring wheel, the inner wall of the stirring wheel is in sliding connection with a clamping block, and the surface of the clamping block is clamped to the lower end of the inner wall of the screw rod; the threaded rod is installed in the shifting wheel in a threaded mode, then the shifting wheel is locked, the threaded rod is locked through mutual cooperation of the clamping block and the soft cushion, it is guaranteed that the threaded rod is stably installed in the shifting wheel in a threaded mode, then stable locking of the shifting wheel is guaranteed, and therefore it is guaranteed that the bandage is stably bound to the surface of the rescue boat.

The utility model discloses an anti-drop blood transfusion apparatus capable of exhausting air quickly, which belongs to the technical field of blood transfusion apparatuses and comprises a blood transfusion apparatus main body, the blood transfusion apparatus main body comprises a dropper, the upper side surface and the lower side surface of the dropper are communicated with a pipeline I and a pipeline II in a penetrating manner, and one end, far away from the dropper, of the pipeline I is communicated with a bottle stopper puncture needle; the end, away from the dropper, of the second pipeline is communicated with a vein puncture needle, a first flow stopping clamp is arranged on the outer surface of the second pipeline, an exhaust pipe is communicated with the second pipeline, a second flow stopping clamp is arranged on the outer surface of the exhaust pipe, and protective covers are movably arranged outside the bottle stopper puncture needle and outside the vein puncture needle. The exhaust pipe is arranged to be used in cooperation with the first flow stopping clip and the second flow stopping clip, when bubbles appear in the second pipeline, the bubbles can be rapidly exhausted by closing the first flow stopping clip and opening the second flow stopping clip, the situation that nurses roll up the second pipeline completely to drive the bubbles to move back into the dropper is avoided, operation is convenient, and rapid exhaust operation can be achieved.

The utility model discloses a construction steel bar binding machine which comprises a binding machine body, an installation head is fixedly installed in the middle of one side of the binding machine body, a clamping groove plate is fixedly installed at the bottom of one end of the installation head, a wire binding mechanism is arranged on one side of the installation head, and the wire binding mechanism comprises a fixing ring, an electric motor, a rotating shaft, a connector and a wire binding angle plate. A fixing ring is fixedly mounted in the middle of one end of the mounting head, an electric motor is fixedly mounted at one end of the inner wall of the fixing ring, a rotating shaft penetrating and extending out of the fixing ring is fixedly mounted on an output shaft of the electric motor, and a connector is fixedly mounted at one end, outside the fixing ring, of the rotating shaft. The electric motor is started to drive the rotating shaft to rotate so as to drive the connector to rotate, so that the steel wires of the wire binding angle plate can be bound, the bound steel wires are prevented from being bound unfirmly and slipping off, the steel wires are twisted through the wire binding angle plate, the steel wires are bound more stably, and steel bars are bound stably.

The utility model discloses a kind of femoral artery compression devices after cerebral angiography, including band and pocket, band is long band, the front left of band is provided with first magic tape, the back right of band is provided with second magic tape, the front of band is symmetrically provided with two grooves in upper and lower positions, groove is along the length direction of band setting;The upper surface of pocket is open, the position of the inner wall of the upper surface of pocket is provided with zipper, the back of pocket is symmetrically provided with two slides in upper and lower positions, slide is along the width direction of pocket setting.In the utility model, under the action of the extrusion force of band and the counterweight of salt bag, the needle insertion position of femoral artery can generate greater compression force at pocket position, so that the needle insertion position of femoral artery can be hemostasia better;The whole device is simple and convenient to operate, hemostasia effect is better, and a proper amount of salt bag can be put in according to needs, has greater compression force, cleaning is also more convenient, and can be widely used.