6065results about "Towers" patented technology

A stand is for moving an umbrella on a surface. The stand includes a base assembly to receive the umbrella and being over the surface, and arms. Each arm has a proximal end coupled to the base assembly, and a distal end extending outwardly from the base assembly. The stand also includes wheels respectively coupled to the distal ends of the arms, and supports coupled to the base assembly and extending outwardly from the base assembly, each of the supports has a pivot point for a respective one of the arms. The stand includes an actuator assembly coupled to the base assembly and configured to cause the base assembly to switch between a first stationary state and a second movable state.

This application relates to beach sunshades, particularly a beach sunshade canopy. It addresses prior issues where canopies were unstable in sand, prone to tilting, and difficult to secure and retract, resulting in a poor user experience. The solution includes a support pillar with a spiral fixing base at the bottom. A through hole on the side of the pillar contains a rotating shaft, to which an installation rod is fixed. The rod connects to a first arc-shaped plate at the bottom and a second arc-shaped plate at the top. Two opposing slots are provided at both ends of the through hole. This design ensures the canopy remains stable, preventing tilting and allowing for easy securing and retraction, enhancing the user experience.

The invention discloses an anti-freezing power transmission line tower supporting foundation suitable for a frozen soil area, relates to the technical field of power transmission line tower supporting, and aims to solve the problem that an existing power transmission line tower supporting foundation cannot resist freezing and cannot keep supporting efficiency under season replacement. Comprising a pile foundation cylinder, a pile foundation cylinder inner supporting column, an arc-shaped heat conduction pipe and a frost heaving piercing mechanism. A pile foundation cylinder top seat and a power transmission line tower connecting frame are mounted at the top of the pile foundation cylinder; the pile foundation cylinder inner supporting column is embedded in the pile foundation cylinder, circulating flow channels are designed between the pile foundation cylinder inner supporting column and the pile foundation cylinder and between the pile foundation cylinder inner supporting column and the arc-shaped heat conduction pipe, and an equipment mounting inner cavity is formed in the top of the pile foundation cylinder inner supporting column. When the soil body is subjected to frost heaving, the transverse anchor rods can pierce into the surrounding soil body, so that the pile foundation cylinder and the surrounding soil body are anchored together, and the frost heaving is further resisted.

The invention relates to a newly-built concrete electric pole prestress reinforcing device, and belongs to the technical field of power transmission line engineering, the newly-built concrete electric pole prestress reinforcing device comprises an electric pole body, a prestress assembly is installed on the electric pole body, the prestress assembly comprises a connecting hoop and an adjusting assembly, and the connecting hoop is installed at the top end of the adjusting assembly; the adjusting assembly comprises four hinge rods which are sequentially connected end to end to form a parallelogram structure and arranged outside the electric pole body in a sleeving mode, a hinge piece is installed at the connecting position of any two connected hinge rods, and the ends of the hinge rods and the hinge pieces are installed in a hinged mode. A pair of pulleys installed on the electric pole body is further arranged between the connecting hoop and the adjusting assembly, the two U-shaped connecting blocks are both connected with steel twisted ropes, and the free ends of the steel twisted ropes penetrate through the through holes, bypass the pulleys and then are fixedly connected with the connecting hoop. Tensioning and applying of prestress can be achieved, the strength and the anti-overturning capacity of the concrete electric pole are effectively improved, and the service life of the concrete electric pole is effectively prolonged.

Disclosed is a center pole fixing structure, including a center pole and a base. The base is provided with a center hole. The center pole is inserted into the center hole to be fixed. An anti-disengagement fixing structure is formed between the center pole and the base, achieves fixing by relative rotation of the center pole and the base, and constrains movement of the center pole in an axial direction thereof. A stopper for constraining the rotation of the center pole is disposed between the center pole and the base. The stopper is a movable pin, and the movable pin is controlled to enter or exit, thereby locking or unlocking the relative rotation of the center pole and the base. According to the disclosure, the center pole and the base are convenient to mount and dismount, and the fixed structure is firm and stable.

To provide a method for replacing web members of steel towers and a device for replacing web members of steel towers that can reinforce the range of web member replacement and replace the web members even when the work for replacing web members of steel towers takes several days or the stress borne by reinforcement materials is large.SOLUTION: A device for replacing web members of steel towers comprises upper and lower horizontal reinforcement members that are attached between main pillar members near above and below the range of web member replacement; and temporary reinforcement members that are attached to be inclined from a fixing point of the upper horizontal reinforcement member of one main pillar member to a fixing point of the lower horizontal reinforcement member of the other main pillar member, the temporary reinforcement member is divided into first and second temporary members, the first and second temporary members are arranged with flange joints provided at one end facing each other with a predetermined gap, and the flange joints are connected with connecting bolts to introduce a predetermined axial stress into the first and second temporary members according to the amount of fastening, and an adjustment plate is inserted between the flange joints and fixed with fastening parts.SELECTED DRAWING: Figure 1

The present disclosure relates to an improved holding device for receiving and holding a variety of articles upright or vertically. The present holding device includes a flexible chamber configured for receiving articles of various shapes and sizes and securing the articles in the upright position. The stabilizing base can be any shape or design, and accommodates various decorations, logos and brands for display. The present disclosure further relates to an improved holding device assembly.

The present invention relates to a pole-mounted anchoring device. The anchoring device is equipped with various adjustable components to insure a stable foundation. The device has a cone-shaped, threaded base component of plastic or metal that screws the device into the ground. The device also has a set of bags that hangs from the device to add weight to the overall unit. The number of weighted bags, amount of sand, or other material in the bags can be altered depending on the weather conditions and size of the item to be supported. Further, the device may be disassembled and transported via a carrying bag.

The invention relates to an access device for a passageway, in particular for an entrance system of a self-service store, with at least one support element on which at least one locking element is pivotably arranged and which can be moved between a position closing a passageway and a position releasing the passageway, wherein the access device comprises a mounting foot that can be mounted on a floor and which forms a mounting plane over which it can be placed on the floor, characterized in that the mounting foot and the support element are two separate components and that the support element can be detachably fixed to the mounting foot, wherein the mounting foot has at least one connecting element extending perpendicular to the mounting plane onto which the support element can be slid.and wherein the support element fixed to the mounting base completely conceals it at least in one viewing direction along a longitudinal extension direction of the support element.

The invention belongs to the technical field of electric power auxiliary equipment, and particularly relates to a concrete pole and tower perpendicularity adjusting and temporary supporting device which comprises a concrete pole and tower. The sag infrared monitoring mechanisms are connected to the outer side of the upper portion of the concrete tower in a sleeving mode through fixing rings; the plurality of clamping sleeves are fixedly connected to the outer side of the upper part of the concrete tower, and the plurality of clamping sleeves are arranged corresponding to the sag infrared monitoring mechanism; the supporting end of the temporary supporting mechanism is connected with the outer side of the upper portion of the clamping sleeve in a clamped mode, the other end of the temporary supporting mechanism is placed on the ground, and the temporary supporting mechanism is used for supporting and adjusting the concrete pole tower which deviates; and the pressure sensor is arranged between the supporting end of the temporary supporting mechanism and the clamping sleeve and used for monitoring whether deviation correction of the concrete pole tower is completed or not. According to the invention, the concrete pole tower is monitored and rectified mainly from four aspects of normal state monitoring, offset detection, signal feedback and adjustment and state recovery, and efficient and autonomous management of pole tower offset is realized.

The invention belongs to the field of lattice tower prestressed cable construction, and particularly relates to a lattice tower prestressed cable penetrating method which is characterized in that an anchorage device support is arranged on a construction platform at the top of a lattice tower, an anchor ring, a backing ring and a steering wheel are sequentially arranged on the anchorage device support from top to bottom, and through holes in one-to-one correspondence with cable penetrating holes in the anchor ring are formed in the steering wheel; the through hole is a variable-diameter hole with the two ends large in hole diameter and the middle small in hole diameter, the inner hole wall of the through hole smoothly extends in the hole core direction, the first steel wire rope is restrained at the tower top and slowly droops, and a worker at the tower top pulls the first steel wire rope to control the steering wheel to move downwards to the corner position of the latticed column in a pipe cavity of the latticed column. The steel strand is matched with the hole wall or the hole edge of the through hole in the steering wheel in a surface contact mode, the situation that protruding radial shear force point positions exist due to point contact or line contact between the steel strand and the steering wheel is effectively avoided, and the steel strand is prevented from being fractured due to the influence of radial shear force.

The invention discloses a mixed tower wind turbine generator FRP-concrete-steel combined tower drum and a construction method.The tower drum comprises a steel tower section and a mixed tower section, the steel tower section is installed on the upper portion of the mixed tower section, the mixed tower section is composed of a plurality of tower drum sections which are sequentially connected from top to bottom, and each tower drum section is formed by combining a plurality of arc-shaped tower drum ring pieces in a surrounding mode; the tower drum ring pieces in the same tower drum section are fixedly connected, vertical joints between the vertically adjacent tower drum sections are installed in a staggered mode, and each tower drum ring piece comprises a reinforced concrete main body part, an inner steel pipe part and a CFRP cloth wrapping section arranged on the outer side of the reinforced concrete main body part. And the reinforced concrete main body parts and the inner steel pipe parts of the upper and lower adjacent tower drum sections are respectively connected, so that the adjacent tower drum sections are mutually fixed. The compressive strength and ductility of the wind power tower cylinder concrete can be improved, larger deformation is generated before the structure is damaged, more energy is absorbed, brittle failure is avoided, complex steel bar configuration is avoided, and the construction difficulty is reduced.

A post protector is disclosed that provides protection for the lower portion of a mailbox post. Protection is provided against string trimmers and edgers and other impacting implements in a landscape environment. A shielded chamber receives latches that allow simple and concealed assembly without the need for fasteners or tools. In one embodiment, the post protector may be stacked for creating a unique visual effect and added protection. In another embodiment, perimeter flanges for pinning to a soil surface are provided. The structure provides an aesthetic complement to downspout protectors having a similar profile.

The invention discloses a high-strength waterproof concrete pole, and belongs to the technical field of concrete materials, the high-strength waterproof concrete pole comprises high-strength waterproof concrete, a reinforcement cage and a waterproof coating coated on the surface of the pole, the high-strength waterproof concrete comprises the following components in proportion: 750-850kg / m < 3 > of cement, 130-170kg / m < 3 > of silica fume, 1000-1300kg / m < 3 > of sand, 150-250kg / m < 3 > of steel fiber, 10-15kg / m < 3 > of water reducing agent, 170-190kg / m < 3 > of water and 0.5-1.5 kg / m < 3 > of defoaming agent; the waterproof coating and the defoaming agent with the multi-arm star-shaped polymer as the main component are adopted, and the internal and external common waterproof effect is achieved; the defoaming agent disclosed by the invention has good dispersity and defoaming performance in concrete, and can also fill part of micropores of the concrete to a certain extent.

A storage system includes a storage grid structure and multiple remotely operated storage bin handling vehicles. The storage grid structure includes vertical storage column profiles defining multiple storage columns in which storage bins can be stored one on top of another in vertical stacks. Each of the storage column profiles have an upper end and a lower end and the storage column profiles are interconnected at their upper ends by rails forming a horizontal rail grid upon which the bin handling vehicles may move in two perpendicular directions. The storage grid structure features grid supports include multiple base angle brackets. Each base angle bracket includes a vertical flange and a horizontal flange. The vertical flange is connected to a storage column profile. The horizontal flange is connected by bolts to a floor upon which the storage grid is arranged and a web interconnecting the flanges. Each of the flanges has a first end and a second end. The first end is arranged closer than the second end to the lower end of the storage column profile to which the vertical flange is connected. The web has a recess arranged between the first ends of the flanges.

A tower for a wind turbine extending axially along a longitudinal axis of the wind turbine includes a rail attached to an external surface of the tower, the rail providing a guide to which a service trolley is attachable in order to be movable along the rail. The tower includes: a plurality of axially adjacent tower segments, each tower segment extending axially between two axial ends, a respective flange being provided at one or both of the axial ends for connecting the respective tower segment to another tower segment. The rail is provided at the flange.

The present application discloses a transmission tower, comprising a tower body and composite crossarms arranged on the tower body. Each composite crossarm comprises at least one insulator and an end fitting. The end fitting is connected to the high-voltage end of the insulator to form an end portion of the composite crossarm for hanging first transmission lines. The end fitting comprises a connection part. The connection part is provided with two line hanging plates and a jumper connection piece. The two line hanging plates are distributed on two sides of the connection part in the extension direction of the first transmission lines. A first jumper is electrically connected to the first transmission lines located on two sides of the tower body and is hung on the jumper connection piece. In the present application, the composite crossarms are applied to a tension tower; connection joints are simple in structure, novel and attractive; power transmission paths are clear; transportation and subsequent operation and maintenance are facilitated; the overall stability of the transmission tower is improved; and the safety of transmission lines is improved.

The invention discloses a spliced cement telegraph pole and a splicing method thereof, and belongs to the technical field of cement telegraph poles. A spliced cement telegraph pole comprises an upper pole body, a lower pole body and a connecting pole body which are sequentially connected, the top end of the lower pole body is connected with the upper pole body through a connecting structure, the bottom end of the lower pole body is connected with the connecting pole body through a connecting structure, and a connecting base is arranged at the bottom end of the connecting pole body and arranged on an embedded base; a positioning mechanism is arranged between the connecting rod and the connecting seat, the positioning mechanism comprises a limiting structure and a locking structure, the limiting structure limits the connecting rod and the connecting seat, and the locking structure locks the connecting rod and the connecting seat. By the adoption of the splicing type cement telegraph pole and the splicing method thereof, the problems that an existing telegraph pole is unstable in splicing and inconvenient to splice can be solved.

The invention provides a hoisting method of a flare tower. The hoisting method comprises the following steps: calculating the total weight and the gravity center position of a flare tower assembly; according to the requirements of the lifting height and the preset inclination angle, a balance weight piece and a main lifting lug are additionally arranged on the flare tower, so that the included angle between the horizontal plane and the connecting line between the main lifting lug of the lifted flare tower and the gravity center of the flare tower assembly is within the preset inclination angle range; welding two connecting pieces and a positioning rod at the bottom of the flare tower; hoisting the flare tower in a horizontal mode to enable the flare tower to be separated from the supporting surface; inclining the flare tower to enable the included angle between the center line of the flare tower and the horizontal plane to be a preset inclination angle; the flare tower is lifted to a deck, and a positioning rod at the bottom of the flare tower gradually gets close to a limiting device arranged on the deck; slowly moving the flare tower until the positioning rod enters the limiting device so as to limit the rotation of the positioning rod; and rotating the flare tower to enable the flare tower to vertically stand on the deck, and welding the base of the flare tower and the deck.

An apparatus for supporting a posted structure is provided which is fixable to a planked structure. The apparatus includes a base plate having: top and bottom faces; first and second intersecting axes which separate the top face of the base plate into first, second, third, and fourth quadrants; and first, second, third, and fourth apertures formed in the four quadrants, respectively. The apparatus further includes an upstanding cylinder extending from the top face of the base plate at the intersection of the first and second axes; and, first, second, third, and fourth locking bolts each having: an elongated shank; and, an elongated locking member fixed transversely to the shank, the locking member being sized to pass through spacing between a pair of adjacent planks of the planked structure. Locking nuts are provided for threadedly mounting to threads of each the first, second, third, and fourth locking bolts.

The invention belongs to the technical field of cement pole materials, and particularly relates to a high-strength cement pole material and a preparation method thereof. The high-strength cement pole material is prepared from the following components in parts by weight: 450 to 500 parts of cement, 60 to 80 parts of fly ash, 500 to 550 parts of fine aggregate, 800 to 1000 parts of coarse aggregate, 80 to 120 parts of slag powder, 30 to 50 parts of composite fiber, 5 to 10 parts of redispersible latex powder, 2 to 6 parts of water reducing agent and 100 to 150 parts of water, the composite fibers comprise modified basalt fibers and polypropylene reticular fibers. According to the high-strength cement pole material provided by the invention, the polypropylene reticular fibers and the specific modified basalt fibers act together, so that the cement pole material has high compressive strength and high breaking strength, and a cement pole prepared from the cement pole material has high flexural capacity.

The utility model belongs to the technical field of communication iron towers, and particularly relates to a communication iron tower bottom reinforcing device which comprises a masonry base, an iron tower column body, an embedded stud and a first locking nut and further comprises a fixing block, a mounting block, an inclined supporting rod, an inclined push rod and an inverted-L-shaped pressing block. A plurality of fixing blocks are fixed to the iron tower column body at equal intervals in the circumferential direction, the mounting blocks are fixed to the fixing blocks, the bottom ends of the inclined supporting rods are hinged to the masonry base, and the top ends of the inclined supporting rods are hinged to the mounting blocks; through the arrangement of the mounting block, the inclined supporting rod, the inclined push rod and the inverted-L-shaped pressing block, after the mounting block is fixed to the fixing block, the inverted-L-shaped pressing block downwards presses the edge position of the top face of the fixing base, meanwhile, component force for pushing the fixing base towards the inner side exists, stress is uniform, and stability is greatly improved; and through the arrangement of the anti-collision frame and the W-shaped elastic piece, the safety protection effect on the iron tower column body is achieved, the iron tower column body is prevented from being directly collided and damaged, and the safety is greatly improved.

The invention discloses an erecting method of a steel pipe type portal cableway, relates to the technical field of cableway erecting, and aims to solve the technical problems that in the prior art, accurate consideration of the terrain and the transportation volume is lacked, the transportation process is prone to being blocked, the transportation continuity is poor, and the transportation efficiency is low. And cableway type selection. According to the steel pipe type portal cableway erecting method, accurate model selection is carried out according to different terrains and transportation volumes, for example, a suitable cableway form is adopted at a solitary mountain head or a specific complex terrains, and roundabout of a transportation route is avoided. The circulation type transportation design ensures that the materials can be continuously transported to the construction site, the transportation efficiency is greatly improved, and in practical engineering, compared with a traditional transportation mode, the transportation time is greatly shortened. By improving the erecting method, materials can be supplied to all links of a project in time, construction delay caused by material shortage is effectively avoided, the construction period is remarkably shortened, and the time cost is reduced.

Provided is a wind turbine component for a wind turbine, in particular for a wind turbine tower and / or a rotor blade, to a wind turbine tower, to a rotor blade, to a wind turbine and to a method for producing a wind turbine component. Provided is a wind turbine component for a wind turbine, in particular for a wind turbine tower and / or a rotor blade, comprising a first wall element with a first inner surface and a first outer surface arranged opposite the latter, a corrugated structural element, wherein the structural element is arranged on the first inner surface or on the first outer surface, wherein the first wall element is connected to the structural element.

The invention discloses a damping device suitable for a wind power prestressed steel strand, which comprises a bottom plate, a hoop and an elastic lining, and is characterized in that the bottom plate is fixedly connected with the inner wall of a tower drum; the hoop and the elastic lining are both of a split structure, the elastic lining is used for bundling dispersed steel strands, the hoop is used for fixing the elastic lining, the hoop and the bottom plate are connected through a movable limiting assembly, and the movable limiting assembly is used for restraining swinging of the steel strands. The device has the advantages of being compact in structure, convenient to disassemble and assemble, high in reliability and the like, the bundling bottom plate is integrally mounted on the tower barrel wall in the middle of the steel strand, the split hoop and the elastic lining bundling steel strand are utilized, the movable limiting assembly is adopted between the hoop and the bottom plate to limit movement of the steel strand, and the problems that the middle area of an ultrahigh tower prestress system is not restrained, and construction is not limited are solved. The problem of interference friction with the tower drum wall and accessories due to large swing amount is solved, and the problem of failure caused by build-up force damage of the middle steel strand at the bundling fixing position is also solved.

The invention discloses a column equipment spraying control method and device based on an unmanned aerial vehicle. The method comprises the steps that the unmanned aerial vehicle is controlled to collect an image of column equipment and recognize a to-be-sprayed point; controlling the unmanned aerial vehicle to collect flight test data and environment test parameters of the to-be-sprayed point; according to the flight test data and the environment test parameters of the to-be-sprayed point, an initial attitude deflection angle of the unmanned aerial vehicle during spraying is obtained through calculation; the unmanned aerial vehicle is controlled to fly to the hovering area of the to-be-sprayed point to hover at the initial attitude deflection angle, and spraying equipment is started to spray the to-be-sprayed point; real-time flight parameters and real-time environment data are collected in the spraying process, and the spraying direction of spraying equipment and the length of a spray head telescopic rod are adjusted according to the real-time environment data; and calculating a real-time attitude deflection angle of the unmanned aerial vehicle according to the real-time flight parameters and the real-time environment data, and adjusting the attitude of the unmanned aerial vehicle according to the real-time attitude deflection angle. According to the method, the spraying accuracy of the column equipment can be improved.

A mobile tower system includes a steel shipping container. A tower structure is moveable between a substantially horizontal travel position and a substantially vertical operational position. A connection member is fixed to a lower portion of the tower structure and moveably coupled to a channel disposed in a horizontal member removeably attached to a vertical frame attached to a back wall of the steel shipping container. When the tower structure is displaced from the substantially horizontal travel position to the substantially vertical operational position, the connection member and the tower structure are linearly displaced together along the channel toward the back wall and the tower structure is pivotably displaced about the connection member, such that the upper portion of the tower structure is displaced through an opening disposed in a roof of the steel shipping container proximate a back wall of the steel shipping container.

The invention relates to a wind power tower structure provided with a high-strength steel constraint damping synergistic section and a design method thereof.The high-strength steel constraint damping synergistic section comprises a high-strength material layer, a damping layer and a constraint layer, the upper end and the lower end of the high-strength material layer are connected with non-energy-consumption sections of a tower body respectively, the damping layer and the constraint layer are not directly connected with the non-energy-consumption sections, and the damping layer and the constraint layer are connected with the non-energy-consumption sections. One side of the damping layer is attached to the high-strength material layer, and the other side of the damping layer is attached to the restraint layer; the design method comprises the steps that firstly, the wind power tower and a foundation of the wind power tower are preliminarily designed, and the arrangement position of the high-strength steel constraint damping synergistic section is determined; the high-strength material layer is made of high-strength steel; and through modal damping ratio calculation, parameter analysis and optimization of the high-strength steel constrained damping synergistic section are carried out, and a corresponding structure scheme and additional damping are determined. Compared with the prior art, the method has the advantages that the limitation of the current inertia-based and material-based technology can be overcome, the synergistic interaction effect on additional damping is realized, and the damping effect is improved while the steel consumption is reduced.

The invention discloses a connector of a wind power concrete tower drum, a tower drum section and a tower drum construction method, the connector comprises a tower drum inner bottom flange and a lower turnup pipe drum, the lower turnup pipe drum is coaxially welded and fixed on the inner wall of the tower drum inner bottom flange to obtain a ring groove, and the ring groove is filled with ultra-high performance concrete. According to the tower tube sections, the connectors are arranged at the upper end and the lower end of a common concrete pipe, and prestressed tendons penetrate through ultra-high performance concrete of the connectors and the common concrete pipe and are locked through prestressed anchorage devices. The construction method comprises the following steps: 1, prefabricating the inner bottom flange and the lower flanging pipe barrel of the tower barrel in a factory; 2, coaxially welding the inner bottom flange of the tower barrel and the lower flanging pipe barrel; 3, a connector is manufactured, and a common concrete pipe is manufactured; 4, hoisting in place in sequence on site; and 5, the prestressed steel bars penetrate through the tower drum sections and are locked through the prestressed anchorage devices. The method has the technical effects that the bearing capacity of concrete tower drum connection is enhanced, the anti-fatigue performance of the concrete tower drum joint and the overall stability of the tower drum are improved, and the construction cost is low.

In a machine for driving screw anchors and other foundation components, a desired embedment depth is calculated based on a minimum required embedment depth, work point height and length of available upper leg sections. Once calculated, the machine automatically drives the screw anchor to the depth so that one of the available upper leg lengths will fit between the driven screw anchor and apex truss hardware. If uplift is detected during driving, the machine will add additional embedment depth. In-situ validation of driven screw anchors may be performed after the embedment depth is reached.