12results about How to "Improve plugging quality" patented technology

The utility model provides an I-shaped steel eye plugging device, relates to building construction technical field, the I-shaped steel eye plugging device comprises a connecting rod, a connecting plate, a plugging plate and a feeding mechanism, the two ends of the connecting rod are detachably connected with the feeding mechanism and the connecting plate respectively, the connecting rod is used for penetrating through the I-shaped steel eye, and the plugging plate is used for plugging the I-shaped steel eye. The feeding mechanism and the connecting plate are used for covering the two ends of the I-shaped steel eye respectively, a discharging port of the feeding mechanism is used for being communicated with the I-shaped steel eye, the blocking plate is detachably connected with one end of the discharging port of the feeding mechanism, and the blocking plate is used for blocking the discharging port of the feeding mechanism. The connecting plates at the two ends of the I-shaped steel eye and the feeding mechanism are connected through the connecting rods, the whole structure is stable, loosening caused by the pressure of concrete is avoided, vibration can be directly conducted at the feeding port of the feeding mechanism during vibration, operation is easy and convenient, and the plugging quality of the I-shaped steel eye can be conveniently improved.

The invention relates to the technical field of concrete pole plugging, in particular to a concrete pole top plugging device which comprises a hoisting assembly and a top plugging assembly, the hoisting assembly comprises a mounting plate and a fixing plate arranged at the top end of the mounting plate, the mounting plate is used for being connected with a bottom plugging device, and the top end of the fixing plate is provided with a claw hook used for hoisting the plugging device; the plugging assembly is arranged at the bottom end of the mounting plate and connected with a top cover through a threaded rod, the bottom end of the top cover is connected with an elastic sleeve through a connecting piece, a spiral supporting piece is mounted in the elastic sleeve, and the spiral supporting piece can support expansion force generated by the elastic sleeve; according to the concrete pole plugging device, the spiral supporting piece is kept in a cylindrical shape so that the concrete pole can be conveniently wrapped in the later period, rapid hoisting and accurate positioning of the plugging assembly are achieved through the unmanned aerial vehicle or other hoisting equipment and the improved grapnel design, and the traditional tedious process of manually climbing the concrete pole for plugging is avoided.

The present invention belongs to the technical field of transmission line erection, and particularly relates to a tensioning device for high-altitude cables, including a fixing part, a support frame, a tensioning frame and an adjusting part. The fixing part is arranged below the support frame, and the support frame is installed on a cross arm through the fixing part. The tensioning frame is arranged on the inner side of the support frame, and the adjusting part is installed on the support frame. The tensioning frame includes parallel connecting rods and rotating rods installed at both ends of the connecting rods, and a rotating shaft is fixedly installed in the middle of the rotating rod. The fixing part of the present invention is used to fix the device on the cross arm on the pole to ensure the safety of the device during operation. The support frame is used to support the tensioning frame to ensure the normal operation of the tensioning frame. The mutual cooperation of the adjusting part and the tensioning frame can realize the tightening of the loose cable line, reduce the slack sagging amplitude of the cable line, reduce the swaying amplitude of the cable line under the action of strong wind, and achieve the purpose of windproof reinforcement of the cable line.

The invention relates to the technical field of pipeline emergency maintenance and repair, in particular to a pipeline leakage flexible plugging fixture system and a pipeline leakage plugging method. The pipeline leakage flexible plugging fixture system comprises a hydraulic excavating vehicle assembly, a mechanical arm assembly and a flexible fixture assembly; one end of the mechanical arm assembly is connected with the hydraulic excavating vehicle assembly, the other end of the mechanical arm assembly is connected with the flexible clamp assembly, and a leakage pipeline is blocked by clamping a flexible clamp. A swing arm frame is installed on the ratchet wheel locking assembly, and the swing arm frame swings in a reciprocating mode through an electric push rod, so that the flexible belt assembly is driven to be curled and tightened for fastening. The pressure adjusting assembly is provided with an air pump, the air pump is controlled to inflate and deflate an air bag on the inner side of the flexible clamp assembly, expansion and contraction of the air bag are achieved, and the tension of the flexible belt assembly is kept stable. Leakage points are detected through the positioning trolley, hydraulic excavation and pipe wall polishing are conducted through the hydraulic excavation vehicle, and dependence on manual operation is reduced. The plugging device has the characteristics of rapidness and convenience in installation and stable plugging performance.

This utility model discloses an outer template and its grouting device for grouting the spigot and socket joints of PCCP pipes. The outer template includes a canvas bag, two locking wires, and two elastic pads. The canvas bag is elongated with openings at both ends. The two ends of the locking wires protrude through the openings at both ends of the canvas bag. The elastic pads are also elongated and are placed outside the canvas bag and below the locking wires. The grouting device includes a grouting pipe, one end of which is connected to a mortar hopper, and the other end injects grout into the spigot and socket joint of the PCCP pipe through a grouting port. The grouting port is constructed by the aforementioned outer template. This utility model uses a canvas bag and locking wires, with the two ends of the locking wires protruding through the openings at both ends of the canvas bag, and then twisting and tightening the two ends of the locking wires to lock the canvas bag to the outer wall of the PCCP pipe, forming an outer template. Furthermore, by adding elastic pads, the gap between the canvas bag and the PCCP pipe is sealed, preventing grout leakage during grouting and effectively improving the sealing quality.

The application relates to the technical field of building construction, in particular to a sealing structure for a screw hole in an outer wall, which comprises a plugging assembly arranged in the screw hole and a sealing assembly arranged close to the outside of the screw hole; the plugging assembly comprises, from inside to outside, an inner waterproof mortar layer, a foaming agent layer and an outer waterproof mortar layer; the sealing assembly comprises, from inside to outside, a sealing block, a waterproof sealant layer and a waterproof paint layer; the outer waterproof mortar layer is arranged between the waterproof sealant layer and the waterproof paint layer; the inner waterproof mortar layer, the foaming agent layer and the outer waterproof mortar layer jointly fill the screw hole, enhance the compactness of plugging and prevent leakage; meanwhile, the sealing block, the waterproof sealant layer and the waterproof paint layer further form a sealing barrier for the screw hole in the outer wall, prevent external water such as rainwater from invading, improve the waterproof performance of the outer wall, and significantly improve the plugging quality of the screw hole in the outer wall and reduce the leakage risk of the outer wall.

This application relates to the field of engineering construction technology, and in particular to a curtain grouting orifice sealing device, comprising a sealing pipe, a limiting ring, and an expansion component; one end of the sealing pipe passes through the curtain grouting hole, and the other end of the sealing pipe extending out of the curtain grouting hole is fixedly connected to the limiting ring, and the limiting ring is coaxially fixed with the sealing pipe; the expansion component is installed on the sealing pipe, and the expansion component includes a sealing cloth for the gap between the sealing pipe and the wall of the curtain grouting hole, the sealing cloth being wrapped around the sealing pipe; the designed curtain grouting orifice sealing device, through the expansion component, facilitates the filling and sealing of the gap between the sealing pipe and the wall of the curtain grouting hole, and at the same time, through the multi-layer wrapping of the sealing cloth, facilitates the filling and sealing of the gap between the sealing pipe and the wall of the curtain grouting hole, preventing grout leakage along the gap between the sealing pipe and the wall of the curtain grouting hole, and improving the grouting quality of curtain grouting construction.

The invention discloses a welding device for metal product machining, and relates to the technical field of metal pipeline welding. The device comprises a first plugging assembly and a second plugging assembly, connecting rings on the first plugging assembly and the second plugging assembly are connected through a connecting steel wire rope, the outer sides of the first plugging assembly and the second plugging assembly are both wrapped with rubber sleeves, and the side, away from a welding frame, of a support disc is fixedly connected with an air pipe; driving steel wire ropes are fixedly connected to the inner sides of the elastic frameworks, and the driving steel wire ropes penetrate through the support disc after changing the transmission direction through the rope holes. According to the device, the elastic framework is automatically unfolded under the action of elastic force, the elastic framework tightly presses the rubber sleeve on the inner wall of the pipeline, so that the device can be suitable for blocking different pipelines, the rubber sleeve blocks the two sides of a welding seam in a bowl shape at the moment, and through the design of the bowl-shaped structure, the rubber sleeve can be more tightly attached to the inner wall of the pipeline during argon filling; the larger the inflation volume is, the higher the plugging quality is.

The present invention discloses a plugging method for a safely abandoned well, and belongs to the technical field of oilfield well plugging. The plugging method for a safely abandoned well comprises: separating a plugging layer and a layer to be plugged in the casing; placing a throw-away packer in the casing and arranging it above the plugging layer; injecting cement into the plugging layer; sealing the throw-away packer and pressurizing the cement in the plugging layer so that the cement enters the oil layer of the plugging layer; after the cement in the plugging layer solidifies, opening up the plugging layer and the layer to be plugged, and plugging the layer to be plugged. The plugging method for a safely abandoned well of the present invention can protect the casing, effectively reduce the risk of plugging construction, shorten the construction period, improve the plugging quality, and reduce the construction cost.

The utility model discloses a kind of row metal vertical pipe structure floor plugging formwork supporting devices, comprising: formwork, with tube hole being arranged side by side on it, the formwork is divided into two halves along its axis, and the tube hole is bisected;Formwork auxiliary, install on formwork, connect two formworks, the formwork auxiliary bottom has fixed sleeve;Formwork bar, for inserting fixed sleeve to support formwork.This application changes from formwork mode to lower formwork mode by formwork auxiliary when row metal vertical pipe structure floor plugging, can conveniently and firmly support wood formwork used for plugging under the structure floor of steel vertical pipe, can adjust steel casing to be centered when plugging, not droop, and concrete can be vibrated compacted when plugging, not afraid of plugging concrete droop, reduce the risk of leakage, effectively improve plugging quality.

The invention provides an outer wall hole plugging device and a using method, the outer wall hole plugging device comprises a plugging part and a plugging rod, the plugging part comprises a plurality of plugging plate assemblies, and each plugging plate assembly is rotationally connected with the plugging rod to be folded or unfolded; each closure plate assembly may also be designed to be foldable or deployable. According to the using method of the outer wall hole plugging device, the plugging component is folded on one side of the outer wall, the folded plugging component penetrates through the hole through the plugging rod, and then the plugging component is unfolded to plug the hole on the other side of the outer wall. The outer wall hole plugging device has the beneficial effects that one person can rapidly plug outer wall holes, the plugging quality can be guaranteed, meanwhile, high-altitude operation is reduced, the structure is simple, operation is convenient, the plugging efficiency and the plugging quality can be improved, and meanwhile the construction safety is improved.

The utility model provides an assembly type concrete well and pipeline connecting system which comprises a concrete well, a pipeline and a sealing assembly, a preassembling hole is formed in the side wall of the concrete well, the preassembling hole is at least partially arranged outside the pipeline in a surrounding mode, and the sealing assembly is located between the inner wall of the preassembling hole and the outer wall of the pipeline; the sealing assembly comprises a limiting ring and a sealing ring, and the limiting ring is coaxially arranged outside the pipeline in a sleeving mode and fixedly connected with the pipeline; the sealing ring is coaxially arranged outside the pipeline in a sleeving mode and abuts against the pipeline. The outer diameter of the sealing ring is larger than or equal to that of the limiting ring, and the sealing ring is located on the upstream side of the limiting ring. According to the utility model, the installation accuracy of the pipeline can be ensured, and plugging materials do not need to be filled later, so that the construction operation is simplified, and the construction efficiency and the construction quality are effectively improved.