63results about How to "Act as a fastening" patented technology

The invention relates to the technical field of ecological restoration, in particular to a side slope vegetation ecological restoration method, which includes the following steps: S1. cleaning the side slope by using an excavator to remove original weeds, leveling the top end of the side slope and leveling the side slope; S2. after the step S1 is completed, constructing a soil retaining dike at the lower end of the side slope; S3. after the step S2 is completed, digging planting holes at the top end of the side slope, then digging planting holes on the side slope, and then placing triangular frame bodies in the holes; S4. after the step S3 is completed, digging cherry trees planted in the planting holes at the top end of the side slope, planting dawn redwood in the frame bodies, and digging planting holes on a flat belt and planting Chinese holly in the planting holes; and S5. after the seedling planting is completed, watering and fertilizing at the top end of the side slope, the sideslope and the flat belt, and then planting tall fescue. The method has the characteristics of preventing soil loss and landslide.

The invention belongs to the civil aviation logistics application field, and particularly relates to an airport luggage high-speed conveying and sorting system. The system comprises a track part, a dynamic sorting device and a luggage high-speed conveying tray; the luggage high-speed conveying tray is used for conveying the luggage on the track part, and the dynamic sorting device is used for carrying out high-speed sorting on the luggage; the track part comprises a straight track, a turning conveyor, at least one section of rapid shunting conveying device and at least one section of rapid confluence conveying device; and a supporting wheel device capable of realizing rapid dismounting and mounting is arranged on the track part. According to the system, high-speed conveying and sorting ofthe airport luggage can be realized; and the whole system is rearranged, a conveying part and a luggage sorting part in the system are mainly improved, so that the speed of conveying the luggage of the whole system can be up to 10 m / s, the stability of the luggage sorting part in the system during tipping is improved, so that the safety and stability when the luggage is conveyed and tipped can beguaranteed on the premise that the system guarantees that the luggage can be conveyed at a high speed.

The invention belongs to the technical field of medical instruments and particularly relates to an ICU concentrator. The ICU concentrator comprises a body, concentrating positions, buckles, fixing bands and a through hole. The concentrating positions are located on the outer edge of the body and are concave inwards by different radians. The fixing buckles are arranged on the two sides of the body. The fixing bands are arranged on the buckles. The through hole is formed in the middle of the body. A clamping position is arranged on the through hole and is an inward protrusion. The number of the concentrating positions is large, the concentrating positions are used for fixing wires in the concentrating positions, and the situation that the wires are loose is avoided. Special installing is not needed, the ICU concentrator can be fixed when tied to the surface of an instrument through bands or pasted to the surface of an object, the positions are flexible and changeable, and the ICU concentrator can be used on many occasions. The through hole or the pasting buckles can be selected. Common clamping strips in the current market can be used in the ICU concentrator completely, the clamping strips can be shorn off when being not needed, use is easy and convenient, a magnet or double-faced adhesive tape is used for fixing, removing and locating are easy, use is convenient and fast, and the cost is low.

The invention provides the bicycle dynamoelectric equipment including several magnets, electricity supply coil group, accumulator and the dynamo, the bell, characterized in that several magnets via the magnetizer circling the axle are fixed on the same circle of the rung equidistantly, the polarity of the neighbor magnet reverses, the electrical output coil group is fixed on the vehicle frame corresponding to the magnet, the clearance between the electrical output coil group and the magnet is 5-7mm, the output end of he electrical output coil group connects accumulator via the commutating bridge, the accumulator connects the dynamo and the bell via lock linkage switch. Because of several magnets wholly fixed on the same circle of the rung via magnetizer, there are clearance between the magnet and electrical output coil group and the integrate magnet loop is formed, so it is assured that the turn of the rung produces the sufficient current and no friction, we mounts a lock linkage switch controlled by the lock of the vehicle in the output electrical loop of the accumulator, so locking the vehicle can shut the power supply of the dynamo and the bell, contrarily it can turn the power supply circuit, so it has many merits: without superfluity work, saving the electrical energy, using conveniently and choiceness performance.

The invention discloses a fixing frame for installation of a building curtain wall. The fixing frame comprises a wall body and a fixing frame body. Fasteners penetrate through the fixing frame body inan upper-and-lower symmetry mode, and fastening bolts are arranged on the left side and the right side of each fastener. Installation plates are symmetrically arranged on the left side of the fixingframe body and located on the outer sides of the fasteners, clamping grooves are formed in the left sides of the installation plates, and damping springs are arranged in the middles of inner cavitiesof the clamping grooves. Through the arrangement that through holes are formed in the curtain wall body in an upper-and-lower symmetry mode, locking bolts are movably connected to the through holes, and bolt holes are formed in the fasteners, the locking bolts are connected with the bolt holes, the effect of fastening the curtain wall body is conveniently achieved, and the curtain wall body is prevented from falling down. Through the arrangement of the clamping grooves and the damping springs, the rigid contact between the curtain wall body and the fixing frame body in the installation processis avoided, the collision and the loss, caused in the construction process, of the curtain wall body are reduced, the usage functionality of the fixing frame for installation of the building curtainwall is greatly improved, the using effect and the usage benefit of the fixing frame are guaranteed, and the fixing frame for installation of the building curtain wall is suitable for being widely popularized.

The invention discloses a drill. The drill is formed by a drill handle, a drill body and a drill tip. The drill is characterized in that the drill tip is located at one end of the drill body, the drill tip and the drill body are of an integrated structure, the drill body is connected with the drill handle through an internal thread and an external thread, four semicircular strip-shaped grooves are formed in the periphery of the cylindrical drill handle, a fastening effect is achieved because of groove design, and the embedded drill handle can effectively prevent the drill from sliding off from an installing machine. The drill body is of a stepped conical structure, and the diameter of the drill body gradually decreases from the bottom end to the tip end. Thus, holes of different diameters can be drilled, the drill does not need to be replaced frequently, time is saved, and work efficiency is improved. Two symmetrical chip removal grooves are formed in the drill body of the stepped conical structure, so that accumulation of discharged chips is reduced in the chip removal process, and the problem that the drill cannot run normally is avoided. The drill tip is of a conical structure, so that the stress surface is reduced, drilling strength is enhanced, and hard objects are easily drilled through the drill tip.

The invention discloses a fastening type screw spike. The fastening type screw spike is characterized by comprising a nut, a screw and a bolt; one end of the screw is fixedly connected with the nut, and the other end of the screw is fixedly connected with the bolt; and a groove is formed in the top end of the nut, and the structure of the groove is in a cross shape. The fastening type screw spike has the advantages that spiral teeth are arranged on the two sides of the screw, the screw spike can be effectively prevented from loosening and the fastening effect can be further achieved.

The invention discloses a connector, comprising a body and a welding material attached to the body and used to weld the connector on a connected object. The body is an insulating board. The connected object is a circuit board. The welding material is a conductive material, and is distributed on an upper surface, a lower surface and / or sides of the insulating board. The insulating board is provided with vias in which the welding material is also attached. Parts of the sides of the insulating board with the welding material are provided with concave surfaces or convex surfaces. The body is provided with extension arms on which the welding material is attached to increase faces of weld. The invention also discloses an electronic device including the above connector. The connector of the above scheme is easy in manufacturing process and low in cost, and is suitable to be used as connectors of various circuit boards. The connector not only provides electrical connection, but also has an effect of fastening on the circuit boards. Surfaces of the connected circuit boards can be perfectly disposed in a same horizontal plane, and the circuit boards are not easy to deform.

The invention discloses a tool positioning-clamping mechanism for a milling machine, which comprises a tool (1), a tool shank (3) and a pull bar (4). The tool shank (3) is partially contained in a machine spindle (5) and fixed to the same, the tool shank (3) is provided with a center hole (3.1), the tool (1) is nested into the center hole (3.1), the pull bar (4) is contained in the center hole (3.1), one end of the pull bar (4) is connected with the tool shank (3) and axially limited, the other end of the pull bar (4) is fixedly connected with the tool (1), and accordingly the tool (1) is fixedly connected with the machine spindle (5). The connection way is higher in connection rigidity than the original Morse taper connection way, connection is more stable, and clamping is better. When the machine spindle is in high-speed rotation, the tool is more stable in rotation and less apt to fall from the spindle, and safety factor is higher.

The invention discloses a backpack for traveling with a camera. The first shoulder strap and the second shoulder strap are fixed on one side of the bag body, and one end of the first shoulder strap is fixed with a power supply bag, and the power supply bag includes a bag body and a cap body , the bag body and the cap body are movably connected by a zipper, one side of the bag body is provided with a first opening, the first connecting strap and the second connecting strap are fixed between the first shoulder strap and the second shoulder strap, the first connecting strap The second connection belt includes a belt body and a double-ring buckle. The two ends of the belt body are fixedly connected with the first shoulder strap and the second shoulder strap respectively. The belt body is divided into two parts, and the two parts are connected through the double-ring buckle. The device storage bag is fixed in the middle of the first connecting belt, the top of the camera device storage bag is fixed with a zipper, and the second opening is located on the side of the camera device storage bag close to the power storage bag. This travel backpack has simple structure and functions Diverse, can shoot and record the environment during travel at any time, reducing the burden on the hands of travelers.

The invention relates to a lifting hook used for lifting plates. The lifting hook comprises a horizontal arm, a vertical arm, a lifting arm and a lifting hole. The horizontal arm, the vertical arm and the lifting arm are connected in sequence. The horizontal arm is perpendicular to the vertical arm. The included angle between the vertical arm and the lifting arm is 135-145 degrees. Reinforcing ribs are arranged on the vertical arm and the lifting arm. The lifting hole is formed in the top end of the lifting arm. A slide block is arranged on the vertical arm. A mechanical arm is arranged at the right end of the slide block. The mechanical arm corresponds to the upper end face of the horizontal arm in an up-down mode. In total, the lifting hook used for lifting plates has the advantages of being simple in structure, capable of saving man-hour and good in safety.