841 results about "Earth anchor" patented technology

The invention discloses an open caisson construction deviation rectifying device and relates to the technical field of open caisson construction deviation rectifying, the deviation rectifying device is used for rectifying an inclined well wall, the deviation rectifying device comprises a supporting frame, a connecting module, a driving motor, a rope collecting module, a lifting module, a gripper, a mooring rope and a ground anchor, the supporting frame is fixed to the ground, and the top end of the supporting frame is fixedly connected with the connecting module; the connecting module is fixedly connected with the rope collecting module and slidably connected with the lifting module, the driving motor is fixedly connected with the connecting module and fixedly connected with the rope collecting module, the lifting module applies downward pressure to the highest point, the rope collecting module pulls a gripper to apply downward pulling force to the two ends of the highest point, and well wall deformation caused by stress concentration during deviation rectification is prevented. The ground anchor can change the direction of the mooring rope position adjusting force, pressure can be accurately applied, secondary deviation of the open caisson caused by too large pressure is prevented, force can be applied from multiple directions to enable the open caisson to be evenly stressed during deviation rectification, and the deviation rectification stability is improved.

The invention belongs to the technical field of photovoltaic supports, and particularly relates to a photovoltaic flexible support which comprises two edge supporting pieces, at least two assembly fixing cables, an assembly bearing cable, at least two wind-resistant frames and a ground anchor mechanism, and under the action of the wind-resistant frames, the assembly fixing cables and the assembly bearing cable can form a stable cable net structure. When a wind load acts on the cable net structure, force is transmitted to the wind-resistant frame through the assembly fixing cable, and then the wind-resistant frame distributes and transmits the force to the assembly bearing cable and the ground anchor mechanism, so that the wind resistance of the photovoltaic flexible support can be improved; therefore, the wind load is effectively dispersed and directly guided into the ground, the large-amplitude flutter and distortion of the cable net structure under the wind pressure are further inhibited, and the dynamic stability and the anti-fatigue performance of the whole photovoltaic flexible support are improved.

The invention discloses a physical and data hybrid driven suspension bridge dynamic response prediction method under main and aftershocks, and relates to the technical field of suspension bridge earthquake response prediction. Determining an acceleration time program sequence of main and aftershock vibration; aiming at the ground anchor type steel truss suspension bridge, considering the uncertainty of key parameters, and establishing a finite element model; collecting bridge output parameters, establishing a data set and dividing the data set into a training set and a verification set; carrying out normalization processing on the data; establishing a physical constraint equation, and solving a main beam midspan longitudinal displacement wave under physical constraint; constructing a machine learning model by using the training set based on ANN and LSTM; establishing a machine learning model loss function; verifying the machine learning model; and a machine learning model is utilized to predict main beam midspan longitudinal displacement waves. According to the method, the displacement time history considering the uncertainty of the key parameters and under the action of main and aftershock seismic actions can be calculated, and the adverse effect caused by the fact that the uncertainty of the key parameters and the aftershock stage cannot be considered in a traditional prediction method is made up.

The present invention relates to the technical field of underground coal mine excavation supporting devices, and in particular to a single-arm wheeled bolt and anchor cable drilling jumbo for a coal mine. The drilling jumbo comprises a wheeled chassis, a multi-degree-of-freedom working arm, and an airborne automatic drilling rig; the wheeled chassis carries the whole drilling jumbo; a main structure is divided into a front frame and a rear frame; one end of the multi-degree-of-freedom working arm is fixedly connected to the tail of the rear frame, and the other end of the multi-degree-of-freedom working arm is connected to the airborne automatic drilling rig and has a plurality of motion degrees of freedom relative to the rear frame; the plurality of motion degrees of freedom constitute two-stage fine tuning acting on the airborne automatic drilling rig; the first-stage fine tuning positioning is achieved by lifting / lowering, left and right swinging, extension and retraction, and rotation of the working arm; the second-stage fine tuning positioning is achieved by left and right swinging, forward and backward folding, and vertical lifting / lowering of a leveling swing mechanism; large-range adjustment of the airborne automatic drilling rig is achieved by means of cooperation of the plurality of motion degrees of freedom, and the requirements of full-section roof, side, and floor bolting are met; and the present invention replaces a traditional mode in which a hand-held pneumatic bolt drilling rig and an existing bolt and anchor cable drilling jumbo are manually operated to perform supplemental bolt and anchor cable installation.

The present invention relates to the technical field related to building engineering, and aims to provide a ground anchor construction apparatus and a construction method. The ground anchor construction apparatus comprises an anchoring cylinder, several grouting nails and a nailing and grouting machine. The anchoring cylinder is arranged in an anchoring cylinder mounting hole; and the several grouting nails are distributed on a cylinder wall and a bottom plate of the anchoring cylinder. The nailing and grouting machine comprises a machine body and a boom device, wherein one end of the boom device is hinged to the machine body, and the other end of the boom device can extend into the anchoring cylinder and is provided with a nail-shooting mechanism and a grouting mechanism, the grouting nails being driven into a side wall of the anchoring cylinder by means of the nail-shooting mechanism, and the grouting mechanism injecting slurry into the grouting nails so as to connect the anchoring cylinder to the inner wall of the anchoring cylinder mounting hole. The ground anchor construction apparatus and the construction method in the present invention can achieve rapid construction of ground anchors, greatly improve the construction efficiency, and greatly reduce the cost; in addition, same can achieve unified and standardized design and construction, simplify the design and calculation of anchor points, improve the design and construction reliability of the anchor points, and improve the safety of subsequent construction.

A super-abrupt slope BCR hard filler dam panel sliding formwork device is characterized in that a winch support is arranged on a dam crest through a ground anchor, a winch is arranged on the winch support, a steel wire rope support is arranged at the front end of the winch, one end of a steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with a sliding formwork device through a movable pulley block arranged on a slope. A surface finishing device is arranged at the lower end of the slip form device, and the slip form device is a hollow cavity; water is injected into a cavity of the slip form device to serve as a balance weight, the balance weight is clamped during work and detached during slip form transfer, the balance weight is clamped as needed, safety during slip form transfer is facilitated, a variable-speed frequency modulation winch is arranged on the dam top to serve as a traction device of the slip form device, the slip form lifting speed is adjusted according to the concrete hardening time of a panel, and the work efficiency is improved.

The invention discloses a water conservancy slope protection construction device, and relates to the technical field of water conservancy slope protection, the water conservancy slope protection construction device comprises a river levee, a bottom supporting mechanism is arranged at the bottom of the river levee through a ground anchor, a top supporting mechanism is arranged at the top of the river levee, and a movable rail frame is mounted at the top of the top supporting mechanism through a hinge mechanism; the bottom of the movable rail frame and the top of the bottom supporting mechanism are movably installed through the same hinge mechanism. By arranging the top supporting mechanism, the bottom supporting mechanism and the movable rail frames, the movable rail frame with the corresponding length can be selected according to the river levee needing to be constructed, and meanwhile the width between the two movable rail frames is adjusted according to the construction requirement; a trowelling plate can be installed behind the trowelling mechanism through a pressing rod, the concrete surface can be troweled conveniently, meanwhile, when trowelling is not needed, a locking column in a control lock stretches out, the pressing rod can be blocked, and therefore the trowelling plate is prevented from being pressed on the concrete surface.

The invention relates to the field of bridge engineering, in particular to a construction method of a tower-free cable crane ground anchor, which comprises the following steps of: installing temporary facilities; vertical pile locking openings and inclined pile guide wall construction; vertical piles and concrete carrying pole beams are constructed; constructing a bearing platform, an inclined pile and a rope tying beam; and anchor cable construction. When no large hoisting equipment exists, only small temporary facilities are adopted to be matched with manual work; a site is leveled on gentle slope covering soil, a vertical pile locking opening and an inclined pile guide wall are poured, excavation of vertical piles and inclined piles is completed, pouring loads of a rope tying beam and a bearing platform are directly transmitted to the vertical piles through a concrete carrying pole beam, foundation settlement is avoided when concrete of the rope tying beam and the bearing platform is poured, and the structural precision is improved; the rope tying beam is positioned through the bracket, and manual transportation and installation are facilitated in the mode that the outer wrapping steel pipe of the rope tying beam is disassembled and then welded; the method is simple in step, convenient to operate and good in effect.

The utility model discloses a flexible photovoltaic system and an arch-shaped wind-resistant support thereof. The arch-shaped wind-resistant support comprises an arch-shaped rod, a straight rod and a connecting rod. The two ends of the arch-shaped rod are connected with the two ends of the straight rod one by one, the middle part of the arch-shaped rod is used for being connected with a bearing cable of a photovoltaic module of the flexible photovoltaic system, and the middle part of the straight rod is used for being connected with a wind-resistant cable of a ground anchor of the flexible photovoltaic system; and the connecting rod is connected between the middle part of the arched rod and the middle part of the straight rod. The arch-shaped wind-resistant support is composed of the arch-shaped rod, the straight rod and the connecting rod, has the advantages of being simple and convenient in structure, low in machining and manufacturing cost, good in economical efficiency and the like, and the formed arch-shaped wind-resistant support can be located in the same plane, so that the arch-shaped wind-resistant support can have good wind-resistant performance. Therefore, the wind resistance of the flexible photovoltaic system can be improved.

The utility model provides a photovoltaic support ground anchor, which relates to the technical field of photovoltaic support installation, and comprises a base and a hinged support I. The bottom end face of the base is provided with a sleeve seat, the top of the base is provided with a plurality of through holes, the base is provided with the hinged support I through threads of the through holes, the sleeve seat is internally provided with a lining assembly, and the lining assembly is provided with a plurality of through holes. The lining assembly comprises a rotating block, a threaded rod is installed on the bottom end face of the rotating block, and the other end of the threaded rod and the bottom of the sleeve base are assembled and installed. The photovoltaic support ground anchor is novel in overall design and simple in structure, the overall road holding force can be improved through the design of the lining assembly, and meanwhile through the design of multiple sets of through holes, the overall road holding force can be improved. And multi-angle installation can be achieved, and convenience is greatly improved.

To provide a ground anchor head and a forming method for the ground anchor head, capable of expecting enhanced anti-corrosion effect and allowing easy removal of anti-corrosion material.SOLUTION: A ground anchor head in accordance with the present invention is provided with a nut part 3, a screw part 5 screwed in the nut part 3, a tendon 7 exposed from an end surface on the opposite side to the nut part 3 through the inside of the nut part 5, and a wedge part 8 arranged in a gap between the tendon 7 and the end surface, wherein the side surface of the nut part 3, the side surface of the screw part 5, the end surface of the nut part 3 including a gap between the wedge part 8 and an excess length part 7a of the tendon 7, and the excess length part 7a of the tendon 7 are covered with non-hardening silicone putty 12, 31, 34.SELECTED DRAWING: Figure 1

The invention discloses a ground anchor calculation auxiliary measuring and calculating system for electric power construction, and relates to the technical field of ground anchor construction, and the ground anchor calculation auxiliary measuring and calculating system for electric power construction comprises a data input module which is used for inputting ground anchor information and receiving electric power construction ground anchor related parameters input by a user. The microprocessor evaluates the safety condition in combination with ground anchor data, the sensor calibration module calibrates a sensor to provide accurate original data for the real-time monitoring data fusion module, the module integrates the data and then provides the data for the microprocessor for safety evaluation, and the data quality evaluation module evaluates a microprocessor instruction to provide a basis for the abnormity and early warning module. The module receives related data, data abnormity with small deviation is corrected by using a moving average algorithm and a smooth and linear interpolation method, the modules and the algorithms are matched to realize accurate safety assessment, effective early warning and risk prediction functions, and popularization is facilitated.

The invention discloses a construction method of a single-tower single-span ground anchor type rotary cable suspension bridge steel truss girder, which comprises the following steps: S1, mounting a suspension bridge main tower and a temporary tower on two sides, and then mounting a rotary cable with a cable crane; s2, after assembling of the steel truss girders is completed, the steel truss girders are transported section by section in a tire-free mode through a full-rotation module vehicle and rotated in place; s3, hoisting and erecting the whole section of steel truss girder to a preset position through a cable crane, and connecting the whole section of steel truss girder with the adjacent steel truss girder through a temporary hinge device; s4, after the integral hoisting of the steel truss girder is completed, rigid-hinge conversion is carried out, and the temporary hinge device is cut off; and S5, the horizontal distance, the height difference and the relative rotating angle of a closure opening of the steel truss girder are adjusted at the root of the bridge tower, butt welding seams are synchronously welded, and steel truss girder whole-section main span closure is completed. According to the method, the situation that a cable crane anchorage is arranged on a mountain is avoided, the cable crane span is reduced, meanwhile, damage of a temporary anchor body to the mountain is avoided, the measure force of rigid-hinge conversion can be reduced, use of large equipment is avoided, and the construction difficulty is reduced.

The invention discloses a multi-model combined ground anchor arrangement method and device, electronic equipment and a storage medium. The method comprises the following steps: loading an existing camera ground anchor point location resource map, coordinate data of each stop line and a proportional scale; loading a ground anchor arrangement diagram of the corresponding model based on the model information of the ground anchor to be combined; performing superposition processing on each ground anchor arrangement diagram and the existing camera ground anchor point location resource diagram to obtain a combined ground anchor arrangement diagram; carrying out image processing on the combined ground anchor arrangement diagram to extract a ground anchor demand area and an existing machine position ground anchor point position; and a clustering algorithm is adopted to determine and output the minimum ground anchor arrangement number and the corresponding point positions meeting the mooring requirements of all the aircraft types. According to the method, the existing aircraft position ground anchor point location resource map and the ground anchor arrangement maps of different aircraft types are loaded, and superposition processing and optimization are carried out, so that the mooring compatibility of multiple aircraft types is realized, and meanwhile, the dual targets of facility reduction and pavement operation intensification are achieved through topology recombination and efficiency improvement of the existing anchor point resources.

The invention relates to a shaped SPCS cavity wall assembly type combined system and a construction method thereof. The shaped SPCS cavity wall assembly type combined system comprises an SPCS cavity wall, assembly type ring ribs, a height-adjustable base, a laminated plate, a supporting angle adjusting piece and an adjustable supporting rod. An SPCS cavity wall and a ground anchor are arranged on the laminated slab; fabricated ring ribs are arranged in the SPCS cavity wall, and supporting angle adjusting pieces are arranged on the upper side face and the lower side face of the SPCS cavity wall correspondingly. The group of adjustable supporting rods are respectively connected with the ground anchor piece and the supporting angle adjusting piece; the SPCS cavity wall and the laminated slab are connected through a height-adjustable base, and the side face is sealed through a sealing plate. And a group of lifting lugs are arranged at the upper end of the SPCS cavity wall. According to the method, BIM modeling is adopted to extract data, intelligent machine tool machining is adopted, an SPCS cavity wall assembly type combined system is formed, the construction procedures are greatly reduced, size control is accurate, the reinforcing mode is reliable, and the forming effect is good; the method not only has a good construction error-tolerant rate, but also guarantees the safety of construction workers, and improves the efficiency of building construction.

The utility model relates to a high-wind-resistance and high-stability single-layer cable support capable of adapting to complex terrains, and belongs to the technical field of flexible photovoltaic supports. The structure is composed of an end truss structure, a middle truss structure, a flexible inhaul cable, a wind-resistant connecting piece, a ground anchor and the like. The support structure comprises a door-shaped frame end truss support and a double-triangle middle truss support and is used for fixing the flexible inhaul cable. The middle truss structure is composed of the double triangular supports and can well adapt to fluctuating mountain terrains, uneven horizontal force on the two sides is balanced, and the safety of the middle truss structure is guaranteed when prestress is tensioned. Compared with an existing structure, the high-wind-resistance and high-stability single-layer cable support capable of adapting to the complex terrains has better wind resistance and stability, can adapt to the complex terrains such as mountainous regions and the like, provides safety guarantee for a whole flexible support system, reduces the risk of subfissure of assemblies, and is suitable for popularization and application. Meanwhile, the device has the advantages of quick installation, few parts, simple construction operation and the like.

The invention relates to a stay wire tower foundation load force analysis method and device, computer equipment and a medium. The method comprises the steps that the quality of a stay wire tower, stay wire specification data contained in the stay wire tower, wind load dynamic change data in the portal frame lifting process and an actual geotechnical engineering investigation report corresponding to the stay wire tower are obtained; the static load of the guyed tower is calculated according to the mass of the guyed tower and the guyed specification data contained in the guyed tower; calculating the dynamic load of the guyed tower according to the mass of the guyed tower and the dynamic change data of the wind load; according to an actual geotechnical engineering investigation report, the ground anchor resistance of the guyed tower is calculated; and obtaining a basic load force analysis result of the guyed tower based on the static load, the dynamic load and the ground anchor resistance. In the whole process, by comprehensively considering multi-dimensional data such as the quality of the guyed tower, the specification of the guyed wire, the dynamic change of the wind load and an actual geotechnical engineering investigation report, the whole scheme can comprehensively and accurately analyze the basic load force of the guyed tower under different working conditions.

Screw-type ground anchors that include a shaft extending along a longitudinal axis and having a screw section configured to drive the shaft along the longitudinal axis into the ground when rotated about the longitudinal axis. A drive head is disposed at an upper end of the shaft and is axially aligned with the longitudinal axis. The drive head is configured to receive a rotational drive for rotating the shaft, and has at least one bore therethrough that is transverse to the longitudinal axis. The bore(s) receives an upper end of the shaft and / or a pivot pin that rotatably couples a lay-flat shackle to the drive head. The lay-flat shackle is operable to pivot between an upright position extending generally along the longitudinal axis to a lay-flat position extending generally transverse to the longitudinal axis.

The invention provides a factory management method and device for a garbage transport vehicle and electronic equipment, and relates to the field of data processing. The method comprises the following steps: acquiring license plate data and vehicle attribute data of a garbage transport vehicle; according to the license plate data and the vehicle attribute data, weighing the garbage transport vehicle to obtain the weight of the vehicle; if it is determined that the vehicle weight meets the preset load condition, unloading queuing data are obtained; based on the vehicle attribute data and the unloading queuing data, determining a target unloading area corresponding to the garbage transport vehicle; acquiring a vehicle parking position of the garbage transport vehicle sent by a ground anchor sensor of the target unloading area; according to the vehicle parking position, a ground anchor sensor and loading and unloading equipment are controlled to cooperatively complete unloading; and if it is determined that the garbage transport vehicle completes unloading, the garbage transport vehicle is controlled to leave the factory according to the AR route. By implementing the technical scheme provided by the invention, the plant management efficiency can be improved.

The invention discloses a construction method for erecting a whole-section steel truss girder of a large-span rotary cable ground anchor type suspension bridge, and belongs to the technical field of bridge construction.A tower of a cable crane is arranged on one side of a north anchor, a temporary cable saddle of the cable crane is arranged on an upper cross beam of a main tower, the cable crane is installed through an existing catwalk, and the whole-section steel truss girder of the large-span rotary cable ground anchor type suspension bridge is erected. The span combination of the cable cranes is 49m + 516m + 177.9 m, the designed hoisting weight is 145T, each cable crane is provided with two load-carrying trolleys, two 25t friction type traction winches, four 15t single-barrel hoisting winches and two 25t winches, the temporary tower is arranged on the north anchor, the height of the temporary tower is 32.27 m, the temporary tower is welded with the base of the north anchor, and the temporary tower is connected with the base of the north anchor. A tower column of the main tower is composed of stand columns, a transverse connecting system and an inclined connecting system, the stand columns are steel pipes of phi 630 * 20 mm, and the stand columns are connected through bolts. In this way, the stability of the rotary cable and the accuracy of the line shape of the steel truss girder in the construction process of the whole section of the steel truss girder can be guaranteed.

A drilling device for a mobile ground anchor comprises: a power source, a hydraulic control device, a power head connecting arm and a power head connected in sequence; the power head is connected to the ground anchor; the hydraulic control device is used to: drive the power head to output torque based on the energy provided by the power source to drill the ground anchor into the ground; the present invention can be widely used in the process of rigid rod ground anchor burying facilities, directly improving the safety and reliability of construction operations. It realizes hydraulically driven drilling of ground anchors, avoids manual screwing, and facilitates and quickly carries out transportation and transfer at the construction site, solving the construction difficulties of ground anchors in current wiring construction.

The invention discloses a suspension cable erection assembly and a cable crane system.The suspension cable erection assembly comprises a winch, two anchor cables, two ground anchor hooks and two cranes, the two cranes are arranged in a spaced mode, each crane is provided with a telescopic suspension arm, the winch is arranged on any suspension arm, a traction rope of the winch is wound around the upper ends of the two suspension arms, and the ground anchor hooks are arranged on the ground anchor hooks. The traction rope is connected with the other crane, the area, located between the two suspension arms, of the traction rope forms a suspension cable, the two anchor cables and the two ground anchor hooks correspond to the two cranes in a one-to-one mode, one ends of the two anchor cables are connected with the upper ends of the corresponding suspension arms, and the two ground anchor hooks are installed at the other ends of the corresponding anchor cables respectively. The two ground anchor hooks are respectively used for being anchored underground so as to obliquely pull the suspension arm through the anchor cables, so that the suspension arm can be extended through the two cranes, the suspension cable is supported to be tightened together, each crane is respectively anchored with the ground through the ground anchor hooks and the anchor cables, and the bearing performance of the whole suspension cable is better.

The invention relates to the technical field of anchoring devices, and discloses an anchoring device for building an emergency refuge tent and the emergency refuge tent, the anchoring device comprises a ground anchor, a connecting groove is formed in the top of the ground anchor, a connecting column is slidably connected in the connecting groove, a fixing rod is fixedly connected to the top end of the connecting column, and a pressure bearing seat is connected to the top of the fixing rod; a sliding groove is formed in the top of the inner wall of the connecting groove, a limiting block is slidably connected into the sliding groove, one side of the limiting block is attached to the outer wall of the connecting column, a rotating groove is formed in the side, away from the connecting column, of the limiting block, a clamping disc is rotatably connected into the rotating groove, a threaded rod is fixedly connected to one side of the clamping disc, and a threaded groove corresponding to the threaded rod in position is formed in the outer wall of the ground anchor. According to the anchoring device for building the emergency refuge tent and the emergency refuge tent, by means of mutual cooperation of the connecting columns and the limiting blocks, a user can flexibly adjust the height of the anchoring device, the requirements of different terrains are met, it is ensured that the multiple anchoring devices evenly bear pressure, and then the overall stability of the tent is improved.

This invention relates to the field of oilfield thermal recovery well technology, and discloses a well completion process device, a column-type ground anchor, and a method for increasing the prestress of the oil layer casing. The well completion process device includes a surface casing (1) located below the surface, an oil layer casing (2), and a casing head body (3). The oil layer casing is connected to the inner surface of the casing head body via a connecting assembly (40). A column-type ground anchor (500) is connected to the bottom of the oil layer casing. The column-type ground anchor includes an anchor claw (502) and a plunger body (530). A liquid outlet (501) is formed on the column-type ground anchor. The anchor claw can extend out of the side wall of the plunger body and insert into the formation. Cement can be discharged from the liquid outlet to seal the annular gap between the oil layer casing and the formation. This invention uses hydraulic oil to insert the anchor claw into the formation, pulling the oil layer casing to a preset load. After the oil layer casing is pulled up, it is clamped to the inner wall of the casing head body via the connecting assembly, thus increasing the prestress.

The invention discloses a device and method for detecting the impact resistance of a cable, and relates to the technical field of cable tests.The device comprises a ground anchor and a frame body, the ground anchor and the frame body are both fixedly installed on the ground, the ground anchor is provided with a cable, the cable has elasticity, and the device further comprises a carrying frame, the carrying frame fixedly penetrates through the top of the frame body, a rectangular groove is formed in the bottom of the carrying frame, and the rectangular groove is used for providing space; the rotating roller rotationally penetrates through the inner wall of the carrying frame; the pulling rope is arranged on the circumferential surface of the rotating roller, and the pulling rope is used for pulling the cable to move; through the free falling body motion of the counterweight plate, the instantaneous impact load can be simulated, the dynamic response of the cable under the sudden pulling force can be reflected more truly, the wear of the pulling rope can be reduced under the cooperation of the rotating roller and the guide roller, and the data accuracy can be ensured.

The invention provides a large and medium-sized horizontal hydro-generator stator overturning and hoisting device and method, and the device comprises at least two overturning supports which are fixed on the ground and are respectively hinged to the lower side of the right end of a stator; the at least two turning-over ground anchors are fixed on the ground, and the distance between the turning-over ground anchors and the right end face of the stator is larger than the diameter of the stator; the first connecting point is positioned on the upper side of the right end of the stator and is correspondingly matched with the turnover ground anchor; the first tension device is connected with the first connecting point and the corresponding turnover ground anchor so as to be used for pulling the stator to rotate along the turnover support; the second connecting point is located at the upper end of the stator, and the second tension device is connected with the second connecting point and the external hoisting device so that the external hoisting device and the stator can be in the stress state all the time. The stator overturning device has the advantages of being stable and safe in overturning process, high in overturning efficiency and not prone to damage stator components.

The utility model belongs to the technical field of electric power construction, particularly relates to a portable ground anchor for an electric power temporary stay wire, and aims to solve the problems that a large amount of manpower needs to be input in pit digging arrangement and recovery of an existing traditional ship-shaped ground anchor, a large number of crops on the ground surface are damaged, and the occupied area is large. A pointed cone used for being inserted into the ground is fixed to the bottom end of the anchor rod. Wherein a positioning assembly is further arranged on the surface of the anchor rod, and the positioning assembly is used for stably fixing the anchor rod in the ground; the connecting part is arranged on the upper side of the anchor rod, the connecting part comprises a second connecting flange, a connecting block is fixed to the top end of the second connecting flange, a reserved connecting hole used for constructing a stay wire is formed in the connecting block, and an inclined fixing block is further fixed to the top end of the second connecting flange; the working hours are greatly saved, the efficiency is improved, the damage to the land is reduced, the occupied area is small, and the use is convenient.

The utility model discloses a photovoltaic support end post structure capable of eliminating end post bending moment, which belongs to the technical field of photovoltaic support structures and comprises an end post, a main cable connecting piece and a stay cable connecting piece, a stress piece is arranged at the top of the end post, and the main cable connecting piece and the stay cable connecting piece are both connected onto the stress piece; the end post structure can ensure that the stress of the main cable and the stress of the stay cable are intersected on the stress piece, so that the end post does not bear bending moment any more; the extrusion anchor is adopted, so that anchor sliding of the main cable and slow loss of cable force are avoided; meanwhile, a plurality of stay cables can be installed, the stay cable connecting piece and the stress piece are hinged, the device can adapt to different ground anchor heights, and the stability is better.

The invention discloses a PCF plate single-side formwork erecting construction process which comprises the specific process steps that a PCF plate is manufactured, a mold assembly is customized according to the set size of the PCF plate, bare concrete is poured into the mold assembly, and then the needed PCF plate is formed. And pre-burying and laying: laying ground anchor systems on the ground in sequence. The method comprises the steps of floor pouring, PCF plate hoisting, supporting frame body mounting and fixing, back ridge supporting and reinforcing, triangular frame primary pressing, triangular frame straightening, triangular frame secondary pressing, wall concrete pouring and frame body dismantling. The poured wall body is divided into the PCF plate formed through a mold in the early stage and the inner side wall body formed through pouring in the later stage. And meanwhile, the flat plate sleeve seat used for being connected with the tripod is pre-buried on the PCF plate, so that a single-side formwork supporting process is realized, and the phenomena that a through-wall screw rod needs to be fixed with an outer guide wall in a foundation pit due to the fact that the tripod needs to be mounted and fixed, a through hole is finally formed after a wall body is formed, and local outer wall water seepage is caused are avoided.