64results about How to "Easy to assemble and carry" patented technology

A multipurpose wrench provided by the invention comprises screw rods, a screw disk and jaws. The structure design is novel. The six adjustable wing screw rods are adopted to control the jaws. The multipurpose wrench is suitable for screwing and unscrewing regular hexagon socket head cap screws with counterbores greater than 4.7mm and less than 15mm in diameter and regular hexagon head cap bolts with cap circumcircles greater than 5.7mm and less than 15mm in diameter. The multipurpose wrench is convenient to carry, operation can be carried out without requiring the replacement of the wrench jaws, and nuts or screws can be more easily unscrewed or screwed in a shorter time. The multipurpose wrench is easy to operate and convenient and quick to carry and assemble, and has other advantages.

The invention relates to measurement of peroxide values, and in particular relates to an edible oil peroxide value measurement combined reagent and a detection method. The edible oil peroxide value measurement combined reagent comprises a polarity organic solvent, a reducing agent, a color development reagent and a color development stabilizing agent, wherein the polarity organic solvent comprises ethanol with the mass concentration of 237-710 g/L in percentage by mass; the reducing agent comprises ferrous sulfate with the mass concentration of 1-20 g/L in percentage by weight; the color development reagent is a sulfosalicylic acid solution with the mass concentration of 300-1,000 g/L; and the color development stabilizing agent is a pyridoxamine dihydrochloride solution with the mass concentration of 20-800 g/L. By a colorimetric analysis method, the operation is quick and simple, and interference caused by heating on a detection result is reduced; the types of the needed detection reagents is few, and the reagents are convenient to combine and carry; and the edible oil peroxide value measurement combined reagent can develop and detect a plurality of oil samples at the same time, is uniform in developing, is low in toxicity and even non-toxic, and is safe and environmentally-friendly.

The invention relates to a full-automatic wire pole spraying robot which is characterized in that the robot comprises three sets of travelling mechanisms, underframe supports, a rotary mechanism and a spraying mechanism, wherein the three sets of travelling mechanisms enclose to form a ring cavity, a wire pole is arranged in the ring cavity in a penetrating way, the upper end of each travelling mechanism is connected with the rotary mechanism through a guide mechanism, the upper end of the rotary mechanism is provided with the spraying mechanism, the spraying mechanism is driven by the rotary mechanism to rotate at 360 degrees, the upper end of each underframe support is fixedly connected ontoto each set of travelling mechanism, and a tension spring is connected between the adjacent underframe supports. The full-automatic wire pole spraying robot has the following characteristics that the 360-degree full-automatic spraying action is implemented and the spraying is more uniform; the labor intensity is small; the working efficiency is high, the construction is convenient, and automatic regulation is carried out according to the size of the diameter of the wire pole; in addition, the full-automatic wire pole spraying robot further has the advantages of reasonable design, convenience for assembly and carrying, small size, light weight, safety, reliability, etc.

The invention provides a mountain crack monitoring and early warning system. The system comprises an insulated wire barrel, a resistance wire, a metal slide sheet, a metal connecting rod, a first non-metal supporting rod, a second non-metallic supporting rod, a first fixing rod, a second fixing rod, a galvanometer, an angle processor, a vertical angle sensor, a support column, a horizontal angle sensor and a power supply. The resistance wire is wound on the insulated wire barrel. One end of the metal connecting rod is connected to the metal slide sheet. The metal slide sheet is contacted withthe resistance wire on the insulated wire barrel. The first non-metal supporting rod is connected to the other end of the metal connecting rod and the first fixing rod. The second non-metallic supporting rod is connected to the end portion of the insulated wire barrel and the vertical angle sensor. The support column is connected to the vertical angle sensor and the horizontal angle sensor. The bottom of the horizontal angle sensor is connected to the second fixing rod. The structure of the monitoring and early warning system is simple and reliable, operation is convenient, sensitivity is high, and a mountain crack displacement and the real-time change of an angle can be effectively monitored.

The invention discloses an open sleeve antenna. An antenna oscillator is a columnar metal rod, wherein a metal sleeve is a tubular open sleeve which penetrates up and down; the metal sleeve surrounds the outer side of an antenna body; the central axis of the metal sleeve coincides with that of the antenna oscillator; an insulating medium fills the gap between the outer lateral wall of the antenna oscillator and the inner lateral wall of the metal sleeve; the insulating medium fixes the antenna oscillator and the metal sleeve together to form a sleeve antenna structure; and the sleeve antenna structure and an SMA joint are embedded into a metal grounding box. By the open sleeve, the open sleeve antenna adapts to the general dimension of a handheld antenna floor, and partially eliminates the influence on the standing-wave ratio of a low-frequency part of the antenna when utilizing a non-open sleeve; the capacitive reactance of an electronically small antenna is counteracted by loading a lumped-parameter inductor at a feeding port; and the stepped antenna oscillator, equivalent to top loading for overall impedance matching, achieves the characteristics of miniaturization, large bandwidth and the like.

The invention discloses a zig-zag derrick for replacing a disconnecting link. The to-be-solved technical problem is that a derrick adopted in an existing central plain running substation disconnecting link replacement construction method has defects in background technology. The adopted technical scheme is that the zig-zag derrick for replacing the disconnecting link comprises a left zig-zag rod, a right zig-zag rod, a suspending head, a left fixed seat and a right fixed seat; the suspending head is connected with upper ends of the left zig-zag rod and the right zig-zag rod; the left zig-zag rod and the right zig-zag rod are 'zig-zag'; the left fixed seat is arranged on the bottom end of the left zig-zag rod; the right fixed seat is arranged on the bottom end of the right zig-zag rod; the left zig-zag rod and the right zig-zag rod both comprise upper vertical columns and lower vertical columns; the upper vertical columns and the lower vertical columns are detachably connected; the suspending head comprises a left connecting plate, a right connecting plate and a lifting hook; the lower end of the left connecting plate is connected with the top end of the right zig-zag rod; the lower end of the right connecting plate is connected with the top end of the right zig-zag rod; the upper end of the left connecting plate and the upper end of the right connecting plate are connected with the lifting hook synchronously; the lifting hook is provided with a through hole.

The invention relates to a device for underwater observation and resource assessment of coral reef fishes. The device includes a combined bracket, several measuring rulers, a moving frame and a camera. The combined bracket comprises a cross rod and a pair of mutually parallel straight rods, and the cross rod is connected between the two straight rods, the measuring rulers are installed on the straight rods, the moving frame is installed between the straight rods and can move back and forth in the extending directions of the straight rods, the camera is fixed in the moving frame, a lens of thecamera faces the measuring rulers, and the whole device is very economical and has high practicability. The invention further provides an observation method of the device for the underwater observation and resource assessment of the coral reef fishes, and the method includes the following steps that three observation points are set, the fishes are observed at each observation point in a period oftime and the fish density is calculated, operation is convenient and observation data is accurate.

The invention relates to a simulation testing device for a mutual inductor of an LTE wireless communication intelligent substation. The simulation testing device for the mutual inductor of the LTE wireless communication intelligent substation comprises a master simulation station, a first LTE wireless transceiving module, a second wireless transceiving module, a distributed data terminal and a power amplification circuit. The simulation testing device for the mutual inductor of the LTE wireless communication intelligent substation has the benefits of being convenient to carry and assemble and widely applicable to field mounting debugging test, outage maintenance test and technical performance evaluation of the substation. Near-end experimental equipment is arranged beside field equipment at different intervals respectively and is connected with far-end equipment in an LTE wireless local area private network mode, and a debugging operator does not need to carry optical fibers additionally; the running state of most of electric power systems can be accurately simulated, and the working conditions of secondary equipment for protection, measurement and control are investigated; meanwhile, a plurality of interval correlation protection, measurement and control devices are connected, so that the complete testing of a secondary system of the whole substation is achieved, and the field workflow is optimized.

The invention relates to the field of building material detection equipment. The invention particularly relates to a building keel detection device. The device comprises a base, and four telescopic supporting legs are arranged on the base. Two keel bearing frames are oppositely arranged above the four telescopic supporting legs. Any keel bearing frame is fixedly connected with the tops of the twotelescopic supporting legs on the same side. A plurality of limiting grooves are distributed in each keel bearing frame in a comb shape. The middles of the four telescopic supporting legs are movablyconnected with a same horizontal adjusting device. A first gradienter and a plurality of infrared distance measuring instruments are arranged on the base. Compared with the prior art, the device is simple in structure and reasonable in design, a detection frame can be quickly leveled after being placed on the ground, a light steel keel can be kept in a horizontal state all the time, various typesof light steel keels can be detected, the manufacturing cost of the testing device is reduced, non-contact measurement of loading deflection and unloading residual deformation of a light steel keel can be achieved on the ground, time and labor are saved, the detection efficiency is improved, and the accuracy of a detection result is guaranteed.