96results about How to "Easy to tamp" patented technology

The invention discloses a three-dimensional grid core material woven fabric. The three-dimensional grid core material woven fabric is composed of a first face layer fabric, a second face layer fabric and a core layer, wherein the first face layer fabric and the second face layer fabric are woven through weft and warp made of inorganic nonmetallic materials, and the core layer is used for connecting the first face layer fabric and the second face layer fabric. The low-density weft and warp of the first face layer fabric are interwoven in a tabby structure mode, a plurality of pieces of warp in adjacent sections are tied respectively to form stranding warp through wrap-directional filaments in a twisted-woven mode, and therefore the first face layer fabric which is of a continuous mesh grating-shaped structure is formed. Core layer filaments are distributed in a continuous V-shaped structure mode in the warp direction and are continuously and alternately distributed in an I-shaped or V-shaped mode in the weft direction, corresponding warp and weft of the first face layer fabric and the second face layer fabric are vertically connected at intervals, and the three-dimensional grid core material woven fabric is formed. The three-dimensional grid core material woven fabric has the advantages that the structure is advanced and reasonable, when used as core materials for manufacturing light building members, the three-dimensional grid core material woven fabric is good in compatibility for foaming cement or gypsum or other else, pouring is convenient, tamping is easy, and the strength of a produced product is high.

The invention discloses an excavator tamping device for a groove. The device comprises a pulverizing hammer steel chisel and a tamping device; the upper portion of the pulverizing hammer steel chiselis connected with an excavator, and the upper portion of a pulverizing mahcine is provided with three or more wire ropes; the tamping device comprises a steel plate, a steel pipe and steel ribs, the steel pipe is arranged in the center of the steel plate, the steel pipe sleeves the pulverizing hammer steel chisel, the steel ribs with the same number of the wire ropes are fixedly connected with theperiphery of the steel plate, and the steel ribs and the wire ropes are detachably connected. The device has the advantages that the tamping machine and the pulverizing hammer steel chisel of the excavator are combined, an additional power device is not needed, the structure is simpler, the installing is convenient, the operation is flexible, the failure of ensuring the quality of manual tampingwhich is conducted for multiple time is avoided, labor resource is saved, and the working efficiency is improved.

The invention discloses efficient compaction equipment for electric power engineering construction. The efficient compaction equipment for electric power engineering construction comprises a bottom plate; a walking device is arranged at the lower end of the bottom plate; supporting devices are arranged on the two sides of the bottom plate respectively; a first chute is arranged at the upper end ofthe bottom plate and is internally provided with a moving device; the moving device is provided with a first sliding block; the upper end of the first sliding block is fixed with a moving block; anda bearing device is arranged on one side of the moving block. The efficient compaction equipment provided by the invention realizes convenient compaction on the ground or a pole pit in the electric power engineering construction process, solves the problems that the labor intensity is large, the pole pit cannot be compacted, and the compaction effect is ideal during manual compaction on the groundor the pole pit through a combination of a driving device, a rotary plate, a press block and a thread rod, is high in automatic degree, reduce the labor intensity of the constructors, is high in working efficiency and compaction effect, improves the engineering construction progress, ensures the engineering quality, is simple in structure and convenient to operate and is suitable for popularization.

A bladder for tamping explosives, the bladder having a reservoir with a sealable opening at a top end thereof, the reservoir being configured to hold an incompressible liquid, and an explosive retaining member disposed on a rear side of the reservoir, the explosive retaining member being configured to hold one or more explosives against the rear side of the reservoir.

An adjustable tamping wheel forms a berm of a desired cross section over a recently filled trench. The tamping wheel contains a center spindle, an offset left spindle, an offset right spindle, a freely rotating center basket on the center spindle with transverse tamping members, a freely rotating left basket on the left spindle with inwardly converging transverse tamping members, and a freely rotating right basket on the right spindle with inwardly converging transverse tamping members.

The invention discloses a well lid construction installation method. The method includes the following steps that the pavement exploding range is determined, and exploding is conducted; a cast iron limiting shaft is installed; filling and compacting of asphalt concrete are conducted; and finally, a well lid is installed. By means of the well lid construction installation method, the construction quality can be ensured, the construction time is short, efficiency is high, in addition, the well lid is pressed into the pavement and is integrated with the pavement, and the levelness is consistent.

A tamping tool unit for tamping ballast under a respective one of a succession of ties of a railroad track comprises a frame extending in a longitudinal direction, a pair of tamping tool levers mounted on the frame for pivoting about pivot axes in a plane extending in the longitudinal direction, a reciprocating drive connected to each tamping tool lever for pivoting the tamping tool lever, and a tamping pick at a lower end of each tamping tool lever. A guide on at least one of the tamping tool levers is provided for displacing the tamping pick in a direction extending perpendicularly to the pivot axis of the at least one tamping tool lever, and a fixing device is provided for fixing the tamping pick on the lower tamping tool lever end.

The invention discloses a pushing and paving device for cement floor construction. The device comprises an L-shaped shovel plate, a vibration motor, a U-shaped plate, a pushing handle, round rollers,a rectangular plate, traction plates, hard springs, linking plates, a drive motor, fixing plates, blade screw rods, a transmission frame, first belt pulleys, a rectangular through hole, a second beltwheel and connecting plates. The device is reasonable in structure and can move according to positions of cement piles, whole cement piles can be flatly spread, manpower and material resources are saved, the working efficiency is improved, the flatly spread cement can be tamped, the tamped cement is ground to be flat, cement can be flatly spread to two sides through outward conveying and the rotating blade screw rods, and movement according to the positions of the cement piles is facilitated through pushing of whole movement.

The invention discloses a quick re-freezing and backfilling construction method for foundation ground of a tower foundation in a frozen ground area. The method comprises the following steps of backfilling first frozen ground at the base of a foundation pit in a layering way, i.e. tamping the backfilled first frozen ground layer after the first frozen ground is backfilled into the foundation pit each time, detecting the ground density of the tamped and backfilled first frozen ground layer until the detection value is greater than the preset ground density, and backfilling the next layer of first frozen ground to the foundation pit, wherein the first frozen ground is particulate or blocky undisturbed frozen ground of which the particle size is smaller than or equal to the preset particle size when the foundation pit is dug; when the top surface of the tamped first frozen ground in the foundation pit is within the preset height range in the foundation pit, backfilling second frozen ground into the foundation pit until the top surface of the backfilled second frozen ground is higher than the ground surface preset height of the frozen ground area, wherein the second frozen ground is blocky undisturbed frozen ground of which the particle size is greater than the preset particle size when the foundation pit is dug; and carrying out still treatment on the tower foundation. The method is used for realizing quick re-freezing and backfilling of the foundation ground of the tower foundation in the frozen ground area.

The invention provides a portable centrifugal internal combustion tamping pick, comprising a rack assembly, an internal combustion engine, a centrifugal vibrating device and a tamping plate, wherein the centrifugal vibrating device comprises driving gears, driven gears, eccentric blocks and a shell; the driving gears are connected with a flexible axle; the driven gears and the driving gears are meshed, arranged horizontally and installed in the space formed by the shell and an end cover; the eccentric blocks with the same overall dimension and quality are symmetrically installed on the driving gears and the driven gears and always keep symmetric in the movement process of the two kinds of gears; and the upper end of the tamping plate is fixed with the shell of the centrifugal vibrating device. The hypocenter of the tamping pick is the centrifugal vibrating force generated by the eccentric blocks, horizontally vibrates the ballasts in multiple directions and can generate enough vibrating force to meet the tamping requirement of the ballasts.

The invention relates to a quick repairing device for roads. The quick repairing device comprises a moving base, scraper mechanisms and connecting rod mechanisms, wherein a U-shaped beam is mounted onthe top face of the moving base; material mixing mechanisms and a top-pressing mechanism; when doing a press-down action, a beating mechanism is linked with the material mixing mechanisms to ensure that tar in the material mixing mechanisms is mixed and stirred to obtain a mixture and the mixture is discharged downwards; a front group and a back group of the material mixing mechanisms are arranged; discharging mechanisms for discharging the tar materials downwards are also arranged on the two groups of material mixing mechanisms; the two scraper mechanisms are arranged; and because the beating mechanism has a thick column structure, the tar poured into cracks of the road can be tamped preferably, so that the seaming quality is improved; by adopting a linkage way, the left group and the right group of scraper mechanisms are arranged; when the scraper mechanisms operate inwards, the tar-like materials which are attached with the bottom of a beating plate due to beating of the tar can bescrapped downwards, and the phenomenon that pits are reserved on a tar connection part required for beating because of staying of adhesive materials when the tar surface is beaten again by adopting the beating plate is avoided; and the construction quality is improved.

The invention discloses a U-shaped anti-changing column and chute template system for rammed earth walls, which can be used for special template for the construction of the linear rammer body and theL-shaped wall body. The supporting system mainly comprises three aspects: a wood-shaped smooth mold plate, a long-length U-shaped anti-changing column suitable for layer-by-layer compaction, and an adjustable high-strength section steel triangular support frame. The wooden mold plate is inserted into the standard fixed-type long-length U-shaped anti-variable column to form a whole, and the supportside is supported by the adjustable high-strength section steel triangular support frame., and mainly comprises a vertical rod, an inclined rod and a horizontal sliding rod. The two sides of the wallbody are symmetrically arranged to be supported to ensure the stable and follow layer-by-layer support and layer-by-layer compaction, the steel braced tripod square steel tube members are connected with the U-shaped anti-changing columns by pin bolts, and two U-shaped anti-changinge columns at L-shaped corner of rammed earth wall are welded together to ensure that the lateral pressure meets the strength requirements. The U-shaped anti-changing column and chute template system not only can satisfy the linear rammer, but also can realize the dynamic compaction of the L-type wall body with highquality.

The invention discloses complete equipment capable of automatically storing, conveying, pouring and vibrating concrete. The complete equipment comprises a fixing frame. The upper surface of the fixingframe is provided with a support frame. A rail of the support frame is fixedly connected with the upper surface of the fixing frame. The left end of the upper surface of the fixing frame is providedwith a driving device. A screw rod of the driving device is in threaded connection with a cylindrical nut of the support frame. The upper surface of a support plate of the support frame is provided with six uniformly distributed support columns. The upper surfaces of the support columns are fixedly connected with the side face of a storage tank. The side face of the storage tank is provided with aswitch group. The lower end of the interior of the storage tank is provided with a feeding cylinder. The interior of the feeding cylinder is provided with a feeding device. The lower end of the frontsurface of the feeding cylinder is provided with a discharging pipe. The complete equipment capable of automatically storing, conveying, pouring and vibrating the concrete is capable of storing, conveying, pouring and vibrating the concrete, reducing waste of the concrete, effectively saving manpower, and improving working efficiency, simple in operation, and convenient to use.

The invention relates to a pouring device for beam-slab-column concrete engineering of different strength grades, and belongs to the field of constructional engineering construction. A stirrup cage tobe poured comprises two beam stirrups arranged in a crossed manner, column stirrups are vertically inserted into the crossed positions of the beam stirrups, and the pouring device comprises an inclined baffle arranged on the beam stirrups in a sliding manner; and a core area is defined by the center of the baffle, the pouring device comprises a pouring tool extending into the core area and pouring concrete into the beam stirrups, and the pouring tool is connected to a discharging port of a distributing machine. The pouring tool extends into the core area, and the effect of facilitating pouring operation is achieved. The invention further discloses a pouring method of the beam-slab-column concrete engineering with the different strength grades, and the pouring method has the effects that construction joints of high-strength concrete in the core area and low-strength concrete connected with the core area are reduced, the high-strength concrete is prevented from flowing during construction, and the construction quality is enhanced.

The invention discloses a casing gap blocking device. The casing gap blocking device comprises a pipeline, a reinforcing plate, a backing ring and a casing, wherein the casing is sheathed at the exterior of a pipeline; the backing ring is sheathed at the outer wall of the pipeline; the side surface of the reinforcing plate is fixedly connected with the outer wall of the pipeline; the length direction of the reinforcing plate extends along the axial direction of the pipeline; an epoxy mortar filling layer is filled between the backing ring and the external of the reinforcing plate; both sides of the epoxy mortar filling layer are in sealed connection with the inner wall of the casing and the outer wall of the pipeline; epoxy grout sealing layers are sealed at the two ends of the epoxy mortar filling layer; a leakage-blocking rigid waterproof layer is sealed at the outer side of each epoxy grout sealing layer; the epoxy grout sealing layer and the leakage-blocking rigid waterproof layers are in sealed connection with the outer wall of the pipeline and the inner wall of the casing. The sealing property of the casing gap in the casing gap blocking device is improved. The invention also discloses a casing gap blocking method.

The invention discloses a plugging device for a pipeline reserved hole of a cast-in-situ slab and a machining and plugging construction method. The plugging device comprises a plugging template and a template support device. The template support device is arranged on a pipeline and comprises a hoop and two support beams. Each support beam is provided with multiple top-propping parts. Each hoop comprises two semi-hoop bodies connected by means of connecting parts. Each semi-hoop body comprises an arc plate and two side reinforcing parts. The machining method for the plugging device comprises following steps of machining arc plates, machining side reinforcing parts, machining semi-hoop bodies, machining connecting parts, installing connecting parts and machining and installing support beams. The plugging construction method comprises following steps of processing a concrete interface, installing the template support device, splicing the plugging template, adjusting a support platform, synchronously moving the template support device and the plugging template upwards, pouring concrete, maintaining concrete and removing a mold. The plugging device is reasonably designed, easily and conveniently used and operated and conveniently constructed and has a good construction effect and is capable of effectively plugging the reserved hole.

The invention relates to the technical field of geotechnical engineering, and discloses a construction method of a side slope dangerous rock falling blocking structure, which adopts a double-layer cement blanket, a profile steel supporting piece and an anchor rod to form a retaining wall structure of a reinforcing pile well to replace a traditional reinforced concrete retaining wall structure. A single-layer cement blanket, a transverse fixing frame and a vertical fixing frame are adopted to form a concrete construction formwork of a breast board, and a concrete construction formwork of a corresponding part of a reinforcing pile on the ground is adopted, so that a traditional construction formwork is replaced. The construction method is easy to operate, high in construction efficiency, environmentally friendly and low in safety risk, the number of times that constructors enter and exit the site is greatly reduced, the demanded quantity of concrete and the maintenance time of concrete pouring are reduced, the construction cost of the blocking structure is controlled, application and popularization are facilitated, and the construction method is particularly suitable for the high-cold and high-steep slope environment of the plateau.

The invention discloses a road construction trimming device with multistage tamping columns. The road construction trimming device comprises a first supporting leg, a second supporting leg and a motor; a supporting frame is fixed to the lower end of the first supporting leg, a track rotating wheel is fixed to the lower end of the supporting frame, and the second supporting leg is provided with thesame structure with the first supporting leg; a rotary shaft is fixed to an output shaft on the left side of the motor, four arc-shaped rotating shafts are arranged on the left side of the rotary shaft and are sleeved with casing pipes, upper fixing rods are fixed to the lower ends of the casing pipes, and the lower ends of the upper fixing rods are inserted in lower casing pipes in a penetratingmode; and the lower ends of the lower casing pipes are rotatably connected with connecting joints through fixing shafts, the lower ends of the connecting joints are fixed to sliding rods, and tampingblock plates are fixed to the lower ends of the sliding rods. According to the road construction trimming device with the multistage tamping columns, the tamping effect is good, the road constructiontrimming device is suitable for the ground with large clods or hard soil, tamping on the ground with the different loosen degree is facilitated, the device size is small, and the road construction trimming device with the multistage tamping columns is advantageously applied to the narrow pavement and courtyards with short and narrow doors.

Methods, systems and tools used for landscaping are described. In particular, a system is provided for maintaining the landscape features of a baseball or softball field. The system can realize several different tools from interchangeable components without compromising the structural integrity and tool performance necessary to accomplish the job. Embodiments of tools include an improved tamp comprising a metallic plate with a first surface and a second surface disposed parallel to the first surface, wherein the second surface is configured such that the surface can compact particulate material into a more compressed state when pounded against it; and an open columnar member, for receiving a handle, disposed on and fixed to the first surface of the metallic plate; wherein the metallic plate has sides of equal length forming a square outline and the open columnar member has a height that is greater than the length of the metallic plate sides.

The invention discloses an assembly type awning beam method based on digital twinning, which relates to the technical field of constructional engineering. An awning beam (made into a box-shaped section), a steel pipe and digital twinning equipment are arranged. A virtual model is firstly constructed through a modeling platform (BIM technology), the model can truly reflect physical components, complete technical disclosure and cooperative work of all professions can be achieved, prediction of the stress and the service life of the components can be reflected in the operation and maintenance stage, the concrete-filled steel tube beam with the box-shaped section is prefabricated in a factory, and a certain number of torsion longitudinal bars are arranged on the long side of the box-shaped section. According to the novel design method of the assembly type awning beam based on the digital twinning, the digital twinning, the box-shaped section and the concrete filled steel tube material areparticularly adopted, the defects of a traditional awning beam are overcome through complementation of the advantages of various technologies and materials, and the optimal design of a torsion component is practically achieved.

The invention discloses a cast-in-place reinforced concrete outdoor step member, comprising a cast-in-place reinforced concrete outdoor step and further comprising an upper support and a lower support both disposed on a main building. Upper and lower portions of the back of the reinforced concrete outdoor step are provided with upper and lower step connectors, respectively. The cast-in-place reinforced concrete outdoor step member further comprises a concrete leveling cushion layer and PVC (polyvinyl chloride) pipe piles or PP-R (polypropylene random) pipe piles. Further disclosed is a method of decreasing differential settlement between the cast-in-place reinforced concrete outdoor step member and the main building. The rigidity and strength of the outdoor reinforced concrete step member are improved; materials of a pile foundation are obtained in situ, the cost is low, rusting is rare; the differential settlement between the outdoor step member and the main building is effectively controlled and is reduced from original 80-120mm to 10-20mm, so that settlement of the outdoor step member harmonizes with that of the main building, using is unaffected, and bad social impact is avoided.