57results about How to "Smooth and safe delivery" patented technology

The invention provides a reactive compensation configuration method based on a reactive voltage feature for a wind power 500kV collecting transformer substation. The method comprises the following steps: determining the access capacity and access position of wind power accessing a power grid; determining inductive reactive compensation capacity and capacitive reactive compensation capacity needed by the power grid; determining the type and the capacity of reactive compensation equipment; determining a coordination control strategy of the reactive compensation equipment; detecting the stability of a wind power grid-connected system. By adopting the method, a reactive compensation configuration scheme is determined for the 500kV collecting transformer substation, so that a technical line is provide for the reactive compensation configuration scheme of the 500kV collecting transformer substation after the wind power accesses the power grid, and stable running after wind power grid connection is ensured.

The invention discloses a turning belt conveyor used for loading and unloading cargoes of a wagon. The turning belt conveyor comprises an engine base, a base plate rotary table, a lower rotary table, an upper rotary table, a belt conveyor and an electric control system, wherein the engine base comprises a base plate, wheels and hoisting supporting legs; a retractable arm is mounted on the base plate rotary table; the retractable arm is composed of a square outer sleeve, a square inner sleeve and a first hydraulic cylinder; the outer end of the square inner sleeve is fixedly connected with the lower part of a vertical shaft; the horizontal part of the lower rotary table is connected with the middle part of the vertical shaft by a rotary support; the inner end of the upper rotary table is connected with the upper part of the vertical shaft by a rotary support; the belt conveyor is composed of a retractable feeding belt conveyor and a retractable discharging belt conveyor. The turning belt conveyor disclosed by the invention only adopts the retractable feeding belt conveyor or the retractable discharging belt conveyor so that the turning loading and unloading of the cargoes of the wagon can be realized; the operation is convenient, and the cargoes can be more smoothly and safely conveyed. The turning belt conveyor disclosed by the invention has a smaller volume and is more flexible to move on a freight transport warehouse platform.

The invention relates to a flow-constant cam pump rotor profile and a generation method thereof. A main profile of a rotor adopts an involute (CD), a tooth root part and a tooth crest part are formed by arc sections (AB and EF), transition curves are high stage curves (BC and DE) connecting the involute and the arc sections, five sections of curves are connected end to end to form one fourth of the rotor profile, and the entire cam pump rotor profile can be obtained according to a symmetry principle. The generation method of the cam pump rotor profile comprises the steps of: (1) determining a base radius, applying a geometric formula of a figure to elicit the arc radiuses of the high stage curves (BC and DE) of the tooth root and the tooth crest according to the rotor meshing principle, and thereby obtaining the main involute (CD) under the condition of the given pressure angle; and (2) applying the high stage curves (BC and DE) in the joint parts of the arc curves and the involute from the optimized aspect, so as to connect the curves end to end.

The invention discloses a logistics freight simulation car-loading system. The logistics freight simulation car-loading system comprises a scanning mechanism, a control mechanism and a marking mechanism, wherein the control mechanism is arranged on the side of the scanning mechanism, the marking mechanism is arranged on the rear portion of the scanning mechanism, the scanning mechanism is connected with the marking mechanism through a conveying module, and the tail end of the conveying module is provided with a classification conveying mechanism connected with the control mechanism. By the adoption of the logistics freight simulation car-loading system, the problems that in the car-loading process of an existing freight car, loading personnel merely rely on personal experience to conduct loading, so that goods are likely to skew and incline in the transportation process due to uneven loading of the goods and unstable linkage can be well solved, it can be guaranteed that the goods are conveyed to the destination safely and stably in the transportation process, the damage probability on the road is reduced, the speed of a car can be increased, stability can be improved, the goods transportation speed is increased, and the logistics freight simulation car-loading system is worthy of application and popularization.

The invention discloses a safe transportation device for valuable fragile articles. The safe transportation device comprises a box body, a containing cavity with an upward opening is formed in the boxbody, lower transverse moving grooves are formed in the lower wall of the containing cavity in a communicating and bilateral symmetry mode, and lower transverse moving blocks are arranged between thefront walls and the rear walls of the lower transverse moving grooves in a left-right sliding mode. According to the device, a transported valuable fragile object is protected by inflating an rubberair bag, the air bag is moved to be attached to the surface of the object, the soft air bag can be attached to the surface of the object according to the shape of the surface of the object, the objectcan be better protected, the air bag is filled with gas, the surface of the air bag is provided with a pressure detection device, the air pressure in the air bag is detected by the pressure detectiondevice, inflation is stopped when the specified air pressure is reached, certain air pressure is guaranteed without causing extrusion damage to the fragile article. The air in the air bag can be released when the fragile article is taken out. The transportation device with inflatable and deflatable air bag protection can safely and stably convey valuable fragile articles.

The purpose of present invention is to easily recover the coins from the auxiliary bowl in a gambling machine. A coin circulating device of a coin hopper comprises: a coin hopper which has a coin storing bowl and a let off device for coins within the coin hopper, an auxiliary bowl which is located adjacent to the coin hopper, an overflow opening which supplies the overflowing coins from the coin storing bowl to the auxiliary bowl, a transporting device which transports the coins from the auxiliary bowl to the coin storing bowl, a position adjusting device which can be changed to the position relationship between the auxiliary bowl and the coin storing bowl.

The invention discloses a transport vehicle for transporting a large-diameter cylindrical object. The transport vehicle comprises a driving vehicle and a driven vehicle, wherein the driving vehicle and the driven vehicle are provided with fixing mechanisms for fixing one end of the large-diameter cylindrical object respectively, and each fixing mechanism includes a turntable bearing, a mounting seat and a chuck, wherein each mounting seat is rotatably mounted on the corresponding turntable bearing; each chuck is vertically mounted on the corresponding mounting seat and comprises a chuck body,a plurality of clamping devices, a driving assembly used for driving the clamping devices to synchronously get close to or get away from one another and a flange, and the ends of the large-diameter cylinder can be clamped by the flanges when the clamping devices synchronously get close to one another; the driving assemblies are mounted on the chuck bodies. Thus, the transport vehicle can economically, safely and stably transport cylindrical objects different in size to a destination.

The invention discloses refrigerator compressor performance test equipment. The equipment comprises a mounting base, a first retaining device and multiple test units, wherein the first retaining device and the multiple test units are sequentially fixed on the mounting base; each test unit comprises a non-return device, a venting device, an energizing device and a second retaining device which are sequentially fixed on the mounting base; the first retaining device, the non-return devices and the second retaining devices are sequentially fixed along a refrigerator compressor conveying line, and the venting devices and the energizing devices are fixed on two sides of a detection station on the refrigerator compressor conveying line respectively. Jacking devices are further arranged on the refrigerator compressor detection station between the venting devices and the energizing devices and drive positioning tooling plates through double guide bar cylinders to ascend so as to lift refrigerator compressors, and the refrigerator compressors are separated from the conveying line. The equipment is compact in structure, high in adjusting speed and high in universality, is applicable to different types of refrigerator compressors and guarantees accuracy and reliability of tests.

The invention solves the problem that a plum blossom contact is easily damaged due to the fact that a contact finger pressure testing device in the prior art needs to be disassembled for testing. Thedevice comprises a test gun, an elastic expansion detection circular ring and a test probe; the test probe is fixedly connected to the gun head of the test gun, the elastic expansion detection circular ring movably sleeves the test probe, the elastic expansion detection circular ring is formed by annularly and tightly splicing a plurality of fan-shaped expansion units, the inner sides of the fan-shaped expansion units are inner arc surfaces, the distance between each inner arc face and the axis of the outer arc of the corresponding fan-shaped expansion unit is gradually decreased in the anticlockwise direction, a groove is formed in the tail end, in the clockwise direction, of each inner arc face of the corresponding fan-shaped expansion unit, and the bottom face of each groove is tangentto the inner arc face of the adjacent fan-shaped expansion unit. The contact finger pressure testing device solves the problems that an existing contact finger pressure testing device needs to be dismounted for testing, and the plum blossom contact is prone to being damaged.

The invention discloses a baffle rod type preheater for high-pressure boiler water. The baffle rod type preheater comprises a shell and a tube plate, wherein the tube plate divides an inner cavity of the shell into a heat exchange cavity and a water cavity; the water cavity is divided into a water inlet cavity and a water outlet cavity which are not communicated with each other; a tube bundle sleeve is arranged in the shell; in the tube bundle sleeve, certain ends of U-shaped heat exchange tubes are communicated with the water inlet cavity through the tube plate, while the other ends of the U-shaped heat exchange tubes are communicated with the water outlet cavity through the tube plate; the shell is connected with a high-pressure external connection box; a communicating part is arranged between the tube bundle sleeve and the tube plate; one end, far away from the tube plate, of the tube bundle sleeve is formed into a high-temperature internal connection box; a gas passage is arranged between the outer wall of the tube bundle sleeve and the inner wall of the shell; a gas entering through a gas inlet can pass through the high-temperature internal connection box, gaps among the U-shaped heat exchange tubes, the communicating part and the gas passage in sequence, and then is discharged from the preheater through a gas outlet. The invention also discloses a chemical reaction device for an exothermal reaction, which is provided with the preheater. The baffle rod type preheater has advantages that the heat stress of the tube plate is less, the maintenance is facilitated, the manufacturing difficulty is low, and the like.

The invention provides a tire conveying system, which relates to the technical field of sequenced tire conveyance of a tire assembly split charging line. The tire conveying system comprises a first platform, a conveying device, and a second platform, wherein the conveying device is connected with the output end of the first platform, the second platform is connected with the output end of the conveying device, one end, near the first platform, of the conveying device is lower than one end near the second platform, an included angle between the conveying device and the horizontal plane is 5 degrees, a plurality of lines of universal rolling balls are respectively distributed on the top surfaces of the first platform and the second platform, the second platform comprises a butt joint turning plate, the butt joint turning plate is hinged to the output end of the second platform, a manual operation room is arranged at one side of the output end of the second platform, and the conveying device is driven through a variable-frequency motor. The tire conveying system has the advantages that the conveying device is in inclined arrangement, the angle and the length are more reasonable, and the conveyance of tires is stable and safe.

The invention discloses a three-dimensional laser scanner auxiliary support and method for bridge bottom form measurement, and the support comprises a mobile station which is disposed at a position, close to a bridge handrail, of a bridge; a stand column, wherein the bottom end of the stand column is connected with the movable table, the upper end of the stand column is connected with one end of a horizontal telescopic rod, and the horizontal telescopic rod can stretch out and draw back in the direction of the outer side of the bridge handrail; a vertical telescopic rod, wherein the upper end of the vertical telescopic rod is connected with the outer end of the horizontal telescopic rod, the bottom end of the vertical telescopic rod is connected with a scanner placing frame, and the scanner placing frame is used for placing a three-dimensional laser scanner. The technical problems of poor accessibility, incomplete data, low working efficiency and the like when the three-dimensional laser scanner is used for measuring the shape of the bottom of the bridge are solved.

The invention discloses a goods wholesale conveying device driven through a cam mechanism. The device comprises a shelf, a lifting mechanism, a first conveying mechanism, a second conveying mechanism, a first pull hook mechanism and a second pull hook mechanism, wherein the lifting mechanism includes a motor arranged below the shelf, and a cam connected with an output shaft of the motor and horizontally arranged; and when the motor is operated, the cam enables the shelf to drive goods to vertically move. The goods wholesale conveying device driven through the cam mechanism conveys the goods to an appointed position from the shelf through sequential movement of a first translation plate and a second translation plate, and uses the translation plates for conveying to achieve higher stability and safety compared with use of conveying belts. The pull hook mechanisms are respectively arranged on the first translation plate and the second translation plate, and can enable the goods to move along with the translation plates without relatively moving to the translation plates, so that the conveying of the goods by the translation plates becomes possible.

An automatic goods taking and placing method relates to the technical field of goods taking and placing equipment and is based on a main control system, a background management system and a goods taking system, and the main control system comprises a self-service transaction module, a scanning module, image acquisition module and a first background data storage module. According to the automatic goods taking and placing method, a worker can conveniently take or return goods, the time for taking or returning the goods is shortened, the error rate of taking or returning the goods is reduced, thegoods taking and returning efficiency of the goods is greatly improved, and the taken or returned goods are safe and stable in the conveying process.

The invention relates to the technical field of weight vertical conveying, in particular to a safe and stable mechanism of weight vertical conveying equipment for automobile spare part machining. The safe and stable mechanism comprises an automobile part weight vertical conveying mechanism comprising an automobile part weight vertical conveying main body. According to the safe and stable mechanism, through arrangement of a second connecting rod, a third connecting rod, a first transverse rod, a second lantern ring, a third lantern ring, a second transverse rod, a fourth lantern ring and a vertical rod, when conveying bearing plates are rotated to vertically convey a spare part storage box, a first sliding block slides in a first sliding groove, and therefore one conveying bearing plate is driven to vertically move by the first transverse rod through the first sliding groove; a second sliding block slides in a second sliding groove, and therefore the other conveying bearing plate is driven to vertically move by the third lantern ring through connection between the third connecting rod and the second transverse rod; the practicability of the equipment is improved, and the operation portability of workers is improved; and the conveying safety and stability of the equipment are improved.

The invention relates to the technical field of picking devices, in particular to an agricultural liftable fruit picking device. The device comprises a tray, fixing cylinders, an electric telescopic rod, a supporting disc, a motor, a bearing plate and universal wheels, wherein the fixed cylinders are fixedly arranged in the tray, arc-shaped fixing plates are arranged in the middle of the inner wall of each fixing cylinder, and the arc-shaped fixing plates are connected with the inner walls of the fixing cylinders through springs; the bottom of the tray is connected with the electric telescopicrod, and a motor is arranged between the supporting disc and the bearing plate; a group of vertical plates are symmetrically arranged on the right side of the upper end face of the bearing plate, andthe two vertical plates are connected through a transverse plate; a group of mounting blocks are transversely and symmetrically arranged on the left end face of the transverse plate, a connecting rodis arranged between the mounting blocks, and the universal wheels are arranged at the bottom of the bearing plate. The fruit picking device has the functions of lifting and rotating; when the fruit picking device is used for picking fruits, the picked fruits can be stably and safely transported to the ground, so that it is guaranteed that the fruits are prevented from being damaged; moreover, thetransportation efficiency is high, and labor is also saved.

The invention discloses a supercritical water oxidation industrial salt elimination method, which adopts double lock hoppers or multiple lock hoppers to charge and release pressure so as to realize a safe, stable and long-period continuous salt elimination method, and at present, a salt solution back pressure valve method is adopted to eliminate salt, and the salt elimination is discontinuous salt elimination. Compared with the prior art, the problems of pressure fluctuation, repeated pressurization and pressure relief and the like of the reactor possibly caused by back pressure valve salt discharge are solved; meanwhile, the problems that due to the fact that the salt solution back pressure valve is seriously abraded and blocked due to pressure relief and frequent replacement of the back pressure valve, model selection and stable operation of the back pressure valve are difficult all the time, stable operation of the device is directly affected, and particularly frequent replacement is difficult to achieve when radioactive materials are treated are solved.

The utility model discloses a soft insulating sheath of a wire. The sheath comprises a sheath body which is a hose, and more than three boss ribs are arranged in the wall of the hose; a heat dissipation gap is formed between every two adjacent boss ribs; a pipe seam is formed in the wall of the hose; two connecting handles extend from two sides of the hose seam in the radial direction; when the two connecting handles relatively move to be attached to the two end faces of the pipe seam, the boss ribs of the inner cavity of the hose define a positioning space used for positioning the wire; whenthe two connecting handles oppositely move to be separated from the two end faces of the pipe seam, the boss ribs of the inner cavity of the hose define an assembling space used for being matched withwire assembling; and connecting pieces used for connection are arranged on the two connecting handles. According to the invention, the problems of deformation, burnthrough, burnout and the like of the soft insulating sheath of the wire for preventing wind damage, bird damage and collision at high temperature due to the fact that heat cannot be uniformly diffused when the insulating sheath works on the wire are solved. The sheath plays an important role in guaranteeing safe and stable energy conveying.

The invention belongs to the technical field of weight-increasing hammer installing tools and methods, and discloses a special tool and method for installing an electric power circuit weight-increasing hammer. The special tool is mainly technically characterized by comprising a lower hammer bracket and an upper hammer fixing frame vertical to the lower hammer bracket, wherein the upper hammer fixing frame comprises an upper frame body composed of a second frame and a baffle plate and an upper hammer swinging frame arranged in front of the upper frame body, a fixed shaft in a horizontal direction is arranged at the place, close to the lower end of the upper frame body, the upper hammer swinging frame comprises a swinging base capable of rotating around the fixed shaft and two side swinging frames connected through a first pin roll, a lower flanging and a front flanging are respectively arranged below and at the front end parts of the side swinging frames, two lead slots are respectively formed below the side swinging frames, a hook is arranged above the frame body, and a swinging frame locking mechanism is arranged at the side surface of the frame body. The weight-increasing hammer is fixed on the ground, a lead is clamped in thread holes in an upper hammer and a lower hammer, and then the lower flanging and the front flanging of the side swinging frames are separated from the hammers and the hammers are easily installed, and thus the installing efficiency is high, the labor intensity is little, and the hammers do not easily fall off in a transferring process.