46results about How to "Lower transport height" patented technology

The invention provides a stirring curing machine. The stirring curing machine comprises an upper vehicle assembly, a lower vehicle assembly connected with the upper vehicle assembly through a rotary support, and a pulp injection system on the upper vehicle assembly. The stirring curing machine is characterized in that one end of a derricking mechanism is connected with the frame of the upper vehicle assembly, and the other end is connected with an upright mast system; an operation device is arranged on the mast system, and can be controlled by a hydraulic system to move on the mast system up and down; a stirring head on the front end of the operation device is driven by the hydraulic system to rotate; and the hydraulic system and an electrical control system are arranged in the upper vehicle assembly. The stirring curing machine provided by the invention has the advantages that the stirring curing machine is specifically used for foundation stabilization, and can reduce stirring dead corners, thereby achieving more uniform stirring. Furthermore, the stirring device in the invention has an enough torque, so that the stirring head can descend into the ground easily when encountering denser soil.

The invention discloses a three-phase generator transformer with super-large capacity, which comprises an iron core, a low-voltage coil and a high-voltage coil and is characterized in that the low-voltage coil is divided into a first low-voltage coil branch and a second low-voltage coil branch which are connected in series, and the number of turns of the first low-voltage coil branch is equal to the number of turns of the second low-voltage coil branch; the iron core, the first low-voltage coil branch, the second low-voltage coil branch and the high-voltage coil are sequentially arranged from the inside to the outside; the two series branches namely the first low-voltage coil branch and the second low-voltage coil branch of the low-voltage coil are respectively in a double-layer multi-spiral structure formed by integrally winding self-adhesive transposed conductors; and the first low-voltage coil branch and the second low-voltage coil branch are separated by an oil clearance brace and an insulating cylinder. The invention not only can obviously lower the transport height of the transformer but also can well solve the problem of magnetic leakage inhibition of low-voltage super-large current leads, thereby improving the economy and the practicability of the three-phase generator transformer with super-large capacity.

The present invention relates to a cutting machine (1) having a chassis (2) comprising a frame (5) and a hitch bracket (3) designed to be mounted on a three-point hitch of a tractor (4), and having an arm (8) connected directly to the frame (5) by a first joint (9) and extending, at least while operational, sideways relative to the frame (5), the arm (8) supporting a working member (10) and being capable, by means of a movement system (26), of being pivoted relative to the frame (5) between a working position, a manoeuvring position and a transport position, the movement system (26) comprising a connecting rod (27) and at least one first cylinder (28) pivotably connected between the frame (5) and the connecting rod (27) and a second cylinder (29) pivotably connected to the arm (8) and connected to the connecting rod (27) by means of a pivot (30). According to the invention, the connecting rod (27) is connected directly to the arm (8) by a second joint (31), and the second joint (31) is separate from the first joint (9).

The invention provides a tower type crane with double hoisting arm sections. The tower type crane comprises a tower body, a first arm section and a second arm section, wherein the first arm section is connected with the tower body, the second arm section is connected with the first arm section, and a folding mechanism is arranged between the first arm section and the second arm section; after being folded, the first arm section and the second arm section are in a level adjacent state under the effect of the folding mechanism. Compared with an old fixed hoisting arm tower machine, hoisting arms are mutually hinged and folded together through the folding mechanism, so that the transporting height is reduced, and the tower type crane is convenient to transport; the hoisting arm can be orderly unfolded from a folded state to the level state under the effect of a power system, the mounting time of the tower machine is greatly shortened, and the cost of a low-rise building and a plant building is reduced.

The invention provides a U-shaped tunnel-crossing beam transporting vehicle with an adjustable wheel track and a beam-feeding method of the U-shaped tunnel-crossing beam transporting vehicle. The beamtransporting vehicle at least comprises a vehicle body, traveling wheel sets and a beam carrying trolley; the vehicle body comprises a middle beam located in the middle and two side beams located onthe two sides; a plurality of cross beams are arranged in the longitudinal direction of the middle beam in a penetrating mode at intervals; the two ends of the outer sides of the multiple cross beamsare connected to the lower ends of the side beams correspondingly, so that the U-shaped structure of the vehicle body is formed; the traveling wheel sets are located at the lower ends of the side beams of the vehicle body and detachably connected with the side beams of the vehicle body, and the lower ends of the side beams are provided with two supporting positions of the traveling wheel sets; andthe beam carrying trolley comprises a front beam carrying trolley body and a rear beam carrying trolley body which are detachably connected. Therefore, according to the U-shaped tunnel-crossing beamtransporting vehicle with the adjustable wheel track and the beam-feeding method of the U-shaped tunnel-crossing beam transporting vehicle, the space below the flanges of box girders is utilized to the greatest extent, the transporting height is decreased, the transporting requirement of the large-span large-tonnage box girders can be met, especially the requirements for tunnel-crossing transporting of the box girders can be achieved, the forward travelling range of the front trolley body is further expanded, and longitudinal stability when a front cart of a bridge erecting machine takes the girders is improved.

The invention discloses a foldable sliding driver cab. The foldable sliding driver cab comprises a driver cab body mounted on a vehicle frame in a sliding mode; the driver cab body comprises a front frame, a rear frame, a lower frame and a top frame, wherein the top frame is hinged to the upper ends of the front frame and the rear frame, the lower ends of the front frame and the rear frame are hinged to the lower frame, and the front frame, the rear frame, the lower frame and the top frame form a four-bar linkage mechanism; the bottom of the lower frame is provided with a slider, the vehicle frame is provided with a sliding rail matched with the slider, and an oil cylinder I is arranged between the vehicle frame and the lower frame. The four-bar linkage mechanism composed of the front frame, the rear frame, the lower frame and the top frame can achieve folding and adjustment of overall transportation height of the foldable sliding driver cab; the driver cab body is provided with the slider, the vehicle frame is provided with the sliding rail, and sliding of the driver cab can be achieved through movement of the slider on the sliding rail to enlarge the operating view and improve the transportation convenience and operating comfort of an engineering machine.

The invention discloses a rotary drilling rig capable of being fully transported with a drill pipe. The rotary drilling rig comprises a revolving platform (2), a weight (4), a jib luffing mechanism (6), a vertical mast cylinder (7), a mast (8), a follow frame (10), the drill pipe (11), a power head (12) and a lower mast (14); the follow frame (10) is fixedly connected with the mast (8) in transportation, and the drill pipe (11) is fixedly connected with the follow frame (10) and the power head (12) with no need of disassembling. By the arrangement, the drill pipe does not need to be disassembled when the rotary drilling rig is to be transported to other site, the masts can be directly erected for construction when the rotary drilling rig is transported to the construction site, hoisting equipment is not needed for assistance during the whole process, manpower is reduced, time is saved, construction efficiency is greatly improved, and construction cost is lowered.

The invention relates to a step-up transformer with a dual-body structure for an ultra-high-voltage generator. The transformer comprises a main body and a voltage regulating body which are arranged in the same oil tank of the transformer, wherein the iron core of the voltage regulating body is of a double-core-column structure; a first exciting coil and a first voltage regulating coil are sheathed on one core column; a second exciting coil and a second voltage regulating coil are sheathed on the other core column; the first exciting coil and the second exciting coil are connected in parallel to form an exciting coil which is in parallel connection with a low-voltage coil in the main body and is led out. According to the invention, a branching section of a high-voltage coil is not used, a voltage-regulating coil is arranged separately and is arranged on the other body; based on low-voltage exciting, the transformer does not regulates voltage in rated branching operation and regulates voltage only in the limit branching operation, therefore the electric potential distribution of the coil is improved, and the short-circuit resistant capability of the transformer is improved.

The invention discloses a split type tension machine for tension stringing for a power transmission line. The tension machine comprises a support device, a tension wheel component, a tightening mechanism and a power mechanism, wherein the tension wheel component is rotatably connected with the support device for twisting a conductor line; the tightening mechanism is connected with the support device and rotatably connected with the tension wheel component and used for enabling the conductor line to maintain the tightening state under the external traction effect; the power mechanism is detachably connected with the tightening mechanism and used for enabling the tightening mechanism to generate the tightening force. In the split type tension machine disclosed by the invention, the power mechanism is detachably connected with the tightening mechanism so that the power mechanism and the tightening mechanism are in split structure; when the tension machine is placed on a tension vehicle, the power mechanism and the tightening mechanism can be respectively placed, the space is greatly saved, the position of the tension machine on the tension vehicle can be reduced as required, the transportation height of the tension vehicle can be effectively reduced especially in carbon fiber conductor line twisting; furthermore, the whole weight of the tension machine is reduced.

The invention relates to a novel transformer. Structural advantages of an existing shell-type transformer and an existing core-type transformer are integrated, so a shell-type transformer and a core-type transformer can be completely replaced. The cost is greatly reduced, and the percent of pass of sudden short circuit tests is theoretically 100%. A transformer winding is good in cooling effect, high in overload capacity, large in limit capacity and convenient to transport, and the limit capacity is superior to that of a shell type transformer. When vertical transportation is inconvenient, thetransformer body can be transported horizontally, and the transportation height is reduced. The capacitor is compact in structure, small in appearance size, light in overall weight, uniform in capacitor distribution, reliable in insulation and high in lightning stroke resistance and operation overvoltage resistance, and leads are convenient to install.

The invention belongs to the field of aerostats, and particularly discloses a quick-release modular mooring tower device which can be used for anchoring, flying and recycling of a mooring balloon, anda mooring tower comprises a mooring tower fixing module, a mooring tower rotating module, a lifting module and an optional conical fixing device. The mooring tower main body is divided into two modules, the modules are manufactured by adopting a carbon fiber composite material co-curing molding technology, the weight is light, the rigidity is high, and the mooring tower modules are convenient toassemble and disassemble. The conical fixing device can be composed of tapered primary and secondary bolts, has a guiding function, is accurate in positioning, and is beneficial to disassembly, assembly and transportation.

The invention discloses an air separation device. The device at least comprises a rectifying tower, the rectifying tower comprises a first tower body and a second tower body, the first tower body is arranged on the second tower body, the diameter of the first tower body is smaller than that of the second tower body, the first tower body and the second tower body are connected through a conical seal head, and at least one open hole is formed in the conical seal head.

The invention relates to a 110 kV double-winding vehicle-loaded transformer lead structure. The 110 kV double-winding vehicle-loaded transformer lead structure comprises a high-voltage lead structureand a low-voltage lead structure, wherein the high-voltage lead structure comprises A-phase, B-phase and C-phase high-voltage phase lines; ends of A-phase and B-phase high-voltage phase lines are discharged in the axial direction; the lines are horizontally distributed along an iron core upper clamping piece and are lead to the end, which is close to a C phase, of a fuel tank; the end of the C-phase high-voltage phase line is discharged in a radial direction on a short axis side of the fuel tank; the A-phase, B-phase and C-phase high-voltage phase lines are fixed and guided to the position ofa lower heightening seat on the short axis side of the fuel tank; and after being fixedly clamped in the heightening seat, the A-phase, B-phase and C-phase high-voltage phase lines are connected witha high-voltage sleeve. On the premise of meeting safe and stable running of a transformer, the size of the transformer is greatly reduced, the space of the fuel tank is utilized fully, the volume of the fuel tank is greatly reduced, the using amount of transformer oil and steel is reduced, the transportation size of the transformer is reduced, the economy of a 110 kilovolt double-winding vehicle-mounted transformer is improved remarkably, and transportation flexibility is also improved.

The invention discloses a single-stand-column stacking machine. According to the technical scheme, the single-stand-column stacking machine comprises a base, a stand column component, a cross beam mechanism, a grabbing arm mechanism, a damping mechanism and a grabbing hand used for fixing a product. The single-stand-column stacking machine has the characteristics that the single-stand-column stacking machine is small in size and convenient to move and convey, and the production space is not occupied while equipment stability can be provided by adopting a single-stand-column form. The stand column component and the base can be put down, a stand column is adopted for supporting, transportation can be facilitated, toppling caused by the unstable gravity center is avoided, and the transportation height can also be reduced.