35results about How to "Improve lifting ability" patented technology

The invention relates to a beet digger, which is characterized by comprising a machine frame, a combined digging part and a driving system, wherein the machine frame comprises a first cross beam, a second cross beam, a third cross beam between the first and second cross beam, a first longitudinal beam and a second longitudinal beam; the combined digging part comprises a disc axle arm frame, one end of the disc axle arm frame is connected with the third cross beam, the other end of the disc axle arm frame is connected with two connecting shafts, and the other ends of the two connecting shafts are both connected with a disc; eccentric wheels are arranged below the longitudinal beams on the side of the first cross beam; the two eccentric wheels are connected by a first drive shaft which is provided with a digger blade positioned at a lower nonaligned place between the two discs; the driving system comprises a gear box arranged on the second cross beam, the input end of the gear box is connected with a power device, and the output end of the gear box is connected with a second drive shaft and a gear oil pump respectively; the second drive shaft drives the eccentric wheels to rotate through a chain wheel drive device; the input end of the gear oil pump is connected with an oil tank; the output end of the gear oil pump is connected with a hydraulic motor; and the power output end of the hydraulic motor is connected with one of the two discs.

The invention discloses an integral replacing and hoisting method of a steam generator of an in-service nuclear power plant. According to the method, two hydraulic lifting devices arranged on a nuclear island loop bridge crane main girder are used, so that air turning and installation or detachment of the steam generator are achieved through hoisting. Compared with the prior art, the integral replacing and hoisting method of the steam generator of the in-service nuclear power plant does not need installation and detachment work of a turning embracing ring, a turning support and the like, and therefore work efficiency of replacement of the steam generator can be effectively improved. Due to the fact that the steam generator can be turned in the air, erecting and placement of the steam generator can be further achieved by means of space in a room, and the requirements for work space of replacement of the steam generator are effectively lowered. Meanwhile, the hydraulic lifting devices have the advantages of being compact in structure and strong in lifting performance, so that safety of hoisting is effectively improved.

The invention relates to a flue gas white smoke plume removing method for increasing the heat energy utilization rate. The flue gas white smoke plume removing method comprises the following steps: S1,high-temperature flue gas is subjected to stepped condensation, specifically, a condenser is divided into a high-temperature chamber and a low-temperature chamber, flue gas sequentially enters the high-temperature chamber and the low-temperature chamber to be condensed, steam is condensed, and thus stepped cooling is achieved; S2, the flue gas is subjected to desulfuration, specifically, the fluegas condensed in the step S1 enters a desulfurizing tower, acid flue gas flows upwards from the bottom and is in reverse contact with sprayed alkaline desulfuration slurry to be subjected to chemicalreaction, thus sulphurous acid is generated and falls into the bottom of the desulfurizing tower to be recovered; S3, dust removing and demisting are conducted, specifically, the flue gas subjected to desulfuration in the step S2 passes through an efficient micro-cyclone dust removing and demisting device, while liquid water with the grain size being 5 [mu]m or below is effective captured, vaporous water in the saturated flue gas is partially converted into liquid water, and the flue gas is transformed from the saturated state to the undersaturation state; S4, waste gas is heated, specifically, the flue gas subjected to dust removing and demisting in the step S3 is heated and warmed up through a water gas heat exchanger; and S5, the waste gas is discharged, specifically, after the flue gas is warmed up in the step S4, the saturability of the flue gas is reduced, and the flue gas is discharged into the atmosphere through a chimney.

An apparatus for aligning and leveling an associated vehicle door having an elongated member, a head member attached to said elongated member adapted to engage a vehicle door lock recess, a support member extending downwardly from said elongated member towards a vehicle door and a support plate attached to said support member adapted to rest on said vehicle door. The apparatus is designed to aid in the leveling and aligning processes of a vehicle door after assembly of the vehicle. The elongated member may include a series of bends to improve the ergonomic efficiency of the vehicle door leveler.

The invention discloses an alkali-resistant disperse blue dye, its compound mixture and a preparation method thereof. This alkali-resistant disperse blue dye is a structure made by diazotizing 3-amino-5-nitrobenzisothiazole with nitrosylsulfuric acid, and then reacting with meta-ortho-substituted-N-substituted aniline emulsion Be the compound shown in structural formula (I). The alkali-resistant disperse blue dye involved in the present invention is green and environmentally friendly in the production process. It has been verified that it can be applied to the dyeing of polyester, nylon, spandex and other hydrophobic fibers and their blended fabrics. It has bright luster and can replace disperse blue 165 and disperse blue dyes. Blue 56; and by compounding with azo-type disperse dyes and anthraquinone-type disperse dyes in different proportions, it can achieve the effect of adjusting dye shade and synergizing to meet the needs of different application conditions. Simultaneously, the dyestuff of the present invention has high liftability, excellent fastness to water washing, sun exposure, sublimation, etc., excellent comprehensive performance, and has broad application prospects.

An apparatus for aligning and leveling an associated vehicle door having an elongated member, a head member attached to said elongated member adapted to engage a vehicle door lock recess, a support member extending downwardly from said elongated member towards a vehicle door and a support plate attached to said support member adapted to rest on said vehicle door. The apparatus is designed to aid in the leveling and aligning processes of a vehicle door after assembly of the vehicle. The elongated member may include a series of bends to improve the ergonomic efficiency of the vehicle door leveler.

A VTOL fixed wing aircraft capable of high-speed forward flight. The aircraft has a main wing internally reinforced with front and aft spars. Spar boxed are located in roll-balanced locations along the wing. Each spar box serves as a connection point for a support linkage that supports a leading-edge and trailing-edge propulsion unit. The leading-edge propulsion unit is fitted with a puller propeller and designed for articulated movement between a VTOL position in front of the wing leading edge and a forward flight position below the wing leading edge. The trailing-edge propulsion unit is fitted with a pusher propeller and designed for articulated movement between a VTOL position in behind the wing trailing edge and a forward flight position above the wing leading edge. The propeller includes a propulsor thrust ring having an aerodynamic profile and a thrust nozzle to capture and vector radial air leakage into thrust.

The invention relates to a beet digger, which is characterized by comprising a machine frame, a combined digging part and a driving system, wherein the machine frame comprises a first cross beam, a second cross beam, a third cross beam between the first and second cross beam, a first longitudinal beam and a second longitudinal beam; the combined digging part comprises a disc axle arm frame, one end of the disc axle arm frame is connected with the third cross beam, the other end of the disc axle arm frame is connected with two connecting shafts, and the other ends of the two connecting shafts are both connected with a disc; eccentric wheels are arranged below the longitudinal beams on the side of the first cross beam; the two eccentric wheels are connected by a first drive shaft which is provided with a digger blade positioned at a lower nonaligned place between the two discs; the driving system comprises a gear box arranged on the second cross beam, the input end of the gear box is connected with a power device, and the output end of the gear box is connected with a second drive shaft and a gear oil pump respectively; the second drive shaft drives the eccentric wheels to rotate through a chain wheel drive device; the input end of the gear oil pump is connected with an oil tank; the output end of the gear oil pump is connected with a hydraulic motor; and the power output end of the hydraulic motor is connected with one of the two discs.

The invention relates to the technical field of hoisting devices, and discloses a device for hoisting a steel coil on the flat ground, which comprises a hydraulic bin, a connecting frame is fixedly mounted at the top of the hydraulic bin, and a stroke stopping plate is fixedly mounted at the position, close to the top, of an inner cavity of the hydraulic bin; four stroke holes are formed in the outer surface of the hydraulic bin, distributed in an annular array mode and movably connected into the hydraulic bin in a sleeved mode through an extrusion pipe. The lifting device is movably connected with the rotating seat I in a sleeving manner through the rotating rod during bearing, so that the extrusion device is driven to move in the hydraulic bin in the vertical downward direction, and the total volume of the interior of the extrusion pipe, an inner cavity of the hydraulic bin and a containing cavity located between the extrusion pipe and the flow limiting plug is reduced; and therefore, the hydraulic pressure in the containing cavity is increased, the reverse acting force borne by the telescopic rod is further improved, the friction force between the contact plate and the steel ring is further improved, the stability of the device in the working process is improved, and meanwhile the maximum hoisting weight of the device is further improved.

The invention discloses an integral replacing and hoisting method of a steam generator of an in-service nuclear power plant. According to the method, two hydraulic lifting devices arranged on a nuclear island loop bridge crane main girder are used, so that air turning and installation or detachment of the steam generator are achieved through hoisting. Compared with the prior art, the integral replacing and hoisting method of the steam generator of the in-service nuclear power plant does not need installation and detachment work of a turning embracing ring, a turning support and the like, and therefore work efficiency of replacement of the steam generator can be effectively improved. Due to the fact that the steam generator can be turned in the air, erecting and placement of the steam generator can be further achieved by means of space in a room, and the requirements for work space of replacement of the steam generator are effectively lowered. Meanwhile, the hydraulic lifting devices have the advantages of being compact in structure and strong in lifting performance, so that safety of hoisting is effectively improved.

The invention discloses a rapid green construction cleaning device for urban waste foundations. The rapid green construction cleaning device comprises hoisting equipment, a vibrating hammer, a positioning steel plate, an installation frame, a sleeve assembly, at least two traction devices, a first steel wire rope and at least two second steel wire ropes, wherein the sleeve assembly comprises an inner barrel body and an outer barrel body, the inner barrel body is arranged in the outer barrel body in a sleeved manner, the upper end of the outer barrel body is detachably fixed to the vibrating hammer, a twist drill is arranged inside the sleeve assembly, and each traction device comprises a rack which is vertically arranged on the outer barrel body, a gear which is installed on a supporting leg and meshed with the rack, a guide pulley which is installed on the supporting leg and is in belt transmission with the gear and a winch which is fixed to the positioning steel plate and is in belt transmission with the guide pulley. According to the rapid green construction cleaning device for the urban waste foundations, old piles are drilled through the twist drill, the sleeve assembly supports the old piles, a soil compaction effect is formed, the gears and the racks are meshed to assist in lifting steel wire ropes, pile heads are firm in clasp and good in guiding performance, disturbance to surrounding underground soil and adjacent structures does not exist, and the rapid green construction cleaning device for the urban waste foundations has the advantages of being flexible and convenient to construct, high in pile pulling efficiency, green and environmentally friendly.