74results about How to "Quick installation and use" patented technology

The invention discloses a drainage well opening anti-falling and warning device, and belongs to the field of a drainage well opening protective device. The drainage well opening anti-falling and warning device comprises a device main body, wherein supporting parts, which can expand outwards along the center of the device main body are arranged on the device main body; clamping parts are arranged at the outward-expanding ends of the supporting parts; the supporting parts can move up and down along the device main body; the supporting parts, when moving downwards, can expand outwards in a radial mode along the center of the device main body, and the clamping parts on the supporting parts can correspond to the profile edge of a drainage well opening and can clamp the profile edge; and limiting mechanism, by which the supporting parts are limited from moving upwards, are additionally arranged on the device main body. The drainage well opening anti-falling and warning device provided by the invention can become folded or expanded; when the drainage well opening anti-falling and warning device is expanded, the clamping parts on the supporting parts can take a clamping effect in corresponding to the profile edge of the drainage well opening; and since the supporting parts are expanded in a radial mode, namely a circular barrier is formed when the supporting parts are expanded, the supporting parts can be fixedly arranged on the drainage well opening, and in addition, foreign objects are prevented from becoming fallen.

The invention discloses a high-efficiency pulling-out device for underwater steel pipe piles. The high-efficiency pulling-out device for the underwater steel pipe piles comprises a flush deck barge platform, a power system and a pulling-out assembly; a U-shaped groove is formed in the head of the flush deck barge platform; the power system comprises a winding engine arranged at the tail of the flush deck barge platform and a diesel generator which continuously supplies power for the winding engine; and the pulling-out assembly comprises a mechanical arm, a pulley block, a hydraulic system, a steel wire rope , a vibrating hammer and hydraulic tongs, the bottom end of the mechanical arm is connected to the tail of the flush deck barge platform in a hinged manner while the top can verticallyswing above the U-shaped groove, the pulley block is arranged at the top end of the mechanical arm, the hydraulic system is used for the mechanical arm to swing vertically, the steel wire rope penetrates through the pulley block and the winding engine and is connected with the vibrating hammer hoisted at the top end of the mechanical arm, and the hydraulic tongs are arranged at the bottom end of the vibrating hammer. The device can flexibly move on the water surface, is convenient to operate and high in use safety, and can effectively pull out the underwater steel pipe piles.

The invention discloses a large prefabricated plate posture alignment hanging bracket and method. The hanging bracket comprises a hanging beam, a transverse regulation system and a longitudinal regulation system, wherein the transverse regulation system and the longitudinal regulation system are connected to the two ends of the hanging beam correspondingly. Hanging lugs are arranged at the two ends of the hanging beam. The transverse regulation system comprises a connection rod, a transverse regulation beam and a transverse regulation hydraulic oil cylinder. The upper end of the connection rod is hinged to the corresponding hanging lug. The lower end of the connection rod is hinged to the transverse regulation beam. The central axes of the connection rod, the hanging beam and the transverse regulation beam are perpendicular to one another. The two ends of the transverse regulation hydraulic oil cylinder are connected with the connection rod and the transverse regulation beam correspondingly. The two ends of the transverse regulation beam are connected with prefabricated plate hanging steel wire ropes correspondingly. The longitudinal regulation system comprises a longitudinal regulation hydraulic oil cylinder and a pulley. The upper end of the longitudinal regulation hydraulic oil cylinder is hinged to the corresponding hanging lug. The lower end of the longitudinal regulation hydraulic oil cylinder is connected with the pulley. The pulley is connected with the corresponding prefabricated plate hanging steel wire rope. By means of the large prefabricated plate posture alignment hanging bracket and method, transverse and longitudinal two-way turnover posture alignment of prefabricated plates can be achieved, and green, efficient and high-precision construction is achieved in the whole hanging construction process.

The invention relates to a modular quickly-spliced unmanned aerial vehicle. The unmanned aerial vehicle comprises a left wing module, a hatch module, a vertical module, a body module, a parachute cabin module and a right wing module which are connected with one another through uniformly distributed latch devices, wherein each latch device consists of a latch seat and a locking column; and the latch devices are fixedly arranged on interconnected module materials respectively, and one latch device is a locking latch device. The main constituent parts of the unmanned aerial vehicle are subjectedto modular manufacturing, so that smallest volume can be realized for packaging, vehicle-mounted space is increased, and transportation is facilitated; meanwhile, the modular parts are subjected to standardized manufacturing, so that easily damaged parts can be quickly supplemented, installed and used, can be quickly assembled and disassembled and accurately matched when a task is executed, and can be applied to the task immediately, and work efficiency is improved. The unmanned aerial vehicle has a simple integral structure and a scientific and reasonable design, perfectly solves a large number of problems of the conventional unmanned aerial vehicle, and lays a foundation for the development and utilization of the unmanned aerial vehicle.

The invention relates to a high-temperature high-pressure foam rheological test system and an experiment method. The high-temperature high-pressure foam rheological test system comprises a liquid supply and flow control device, a gas supply and flow control device, a foam preparation device simultaneously connected with the liquid supply and flow control device and the gas supply and flow controldevice, a high-temperature high-pressure rheological measurement unit connected with the foam preparation device, and a back pressure control device connected with the high-temperature high-pressure rheological measurement unit by a high-temperature high-pressure foam performance observation device, wherein a temperature control system is arranged in the foam preparation device. According to the system, accurate control can be carried out at a temperature of an operating environment and under a pressure of the operating environment to prepare foam fluids which are different in gas-liquid ratio, different in pressure and different in temperature; the prepared foam fluids are in seamless connection with the high-temperature high-pressure rheological measurement unit so as to ensure that foamresearched by the rheological test is a foam system in the operating environment.

The invention discloses a large X-ray machine operating table arm support. The arm support is characterized in that a sliding sleeve is sleeved with a lateral rack rod, a base sleeve is fixedly connected with the sliding sleeve through a fixing clamping strip, a middle sleeve meshes with the base sleeve through a tooth combination, a head sleeve is installed at the front end of the middle sleeve, an adjusting head is installed in front of the head sleeve, the head sleeve is connected with a handle, a head core and a tail core are installed in an inner cavity of the head sleeve and in the inner cavity of the middle sleeve respectively, an inner hole is formed in the base sleeve, the outer diameter portion of an arm support guide rod is sleeved with a head core sleeve opening and a tail core sleeve opening, a head core screw is adjusted to be connected with a head core connection screw hole through a head sleeve connection hole, a tail core bolt is in threaded connection with a tail core connection screw hole through the sliding sleeve, a middle sleeve bolt is clamped into an adjusting groove through a middle sleeve bolt hole, a head sleeve bolt is clamped into the adjusting groove through a head sleeve bolt hole, and a handle adjusting bolt is connected with the adjusting head through a handle installation hole. The arm support has the advantages that the structure is simple, manufacturing is easy, materials are easy to find, the cost is low, detachment and installation are quick, installation and use are convenient, the arm support is safe and reliable, pain of patients is reduced, and the comfort of the patients is improved.