150results about How to "Reduce construction labor intensity" patented technology

The invention discloses a cyclically used temporary pavement platen, and a method for paving a temporary pavement therewith. The cyclically used temporary pavement platen is characterized in that: the platen comprises a modularized rectangular reinforced concrete slab (1); reinforcement mats (13) which are composed of a plurality of steel bars vertically extending and steel bars transversely intersecting are arranged in the reinforced concrete flat (1); the reinforced concrete slab (1) is provided with a plurality of uniformly-distributed grooves (11) that are close to the edges of the slab(1) and suspension hooks (12) hiding in the grooves (11), the suspension hooks (12) are anchored with the reinforcement mats, and tops of the suspension hooks (12) are slightly lower than the upper surface of the reinforced concrete flat (1). The size and the shape of the cyclically used platen match with those of standard roads, and the platen which is provided with suspension hooks therein and has the characteristics of convenience of lifting and simplicity of construction when the temporary road is paved allows cyclic utilization, and safety and environmental protection to be realized.

The invention discloses a ceiling cascade device and an installation method. The ceiling cascade device comprises a vertical frame, wherein the vehicle frame comprises a plurality of vertical plates, and the heads and tails of the vehicle plates are sequentially connected to form a closing structure along the length direction; a first keel is extended along the length direction of the vertical plates; first connecting grooves are formed in the surface, opposite to the vertical plates, of the first keel; a first hanging piece is clamped into each first connecting groove; each edge of a top plate is overlapped with the edge of one vertical plate; the surface, opposite to the vertical plates, of the top plate is connected with a second keel, and second connecting grooves are formed in the surface of the second keel; a second hanging piece is adjustably clamped into each second connecting groove. The installation method of the ceiling cascade device is used for quickly installing the ceiling cascade device. The ceiling cascade device and the installation method have the advantages that by providing a modularized integrated center unit, the installation speed is quick, the difficulty and labor intensity in construction are decreased, the construction procedure of installation is reduced, the installation time is shortened, and the pollution to construction site is reduced.

The invention discloses a pile head static cutting crushing method for a bored concrete pile; a plurality of cutting bodies are evenly and horizontally fixed around the vertical steel ribs of a steel reinforcement cage of the bored pile on the position where the concrete needs to be removed; the concrete is poured after the steel reinforcement cage is hung into the pile hole; the pile head concrete is pulled out by a hoisting device or is cleaned manually after the concrete hardens; the pile head static cutting crushing method is characterized in that the number and the distribution form of the cutting pieces are designed according the diameter of the bored pile; for the bored pile with the diameter less than 1000mm, the cutting pieces are distributed outside the vertical steel ribs; for the bored pile with the diameter more than 1600mm, the cutting pieces are distributed inside the vertical steel ribs and at least a support steel rib is arranged in the pile parallel to the cutting pieces; each support steel rib is fixed bound with a cutting body; besides, a cutting piece can be vertically fixed outside each vertical steel rib to realize the bidirectional cutting. The pile head static cutting crushing method for the bored concrete pile has the advantages of obviously reducing the construction cost and the labor intensity, shortening the construction period, preventing the vibration noise and the dust in the construction process, being applicable to the popularization and application of the construction industry.

The invention discloses an integrated window sidetrack drilling tool. The integrated window sidetrack drilling tool comprises a hollow tapered mill, a wedge deflection tool deflection iron and a setting and anchoring member which are sequentially connected, the wedge deflection tool deflection iron is clamped in an arch-shaped dovetail groove on the lower portion of the tapered mill, a positioning bolt is arranged between the upper end of the wedge deflection tool deflection iron and the tapered mill, and a liquid guide tube is arranged in the wedge deflection tool deflection iron. The integrated window sidetrack drilling tool is characterized in that an auxiliary liquid hole corresponding to the positioning bolt is arranged on the tapered mill, a blind hole communicated with the auxiliary liquid hole is arranged on the positioning bolt, the auxiliary liquid hole is blocked by the positioning bolt when the wedge deflection tool deflection iron and the tapered mill are clamped, and an inner hole of the tapered mill is communicated with the outside through the auxiliary liquid hole and the blind hole of the positioning bolt when the positioning bolt is cut. The integrated window sidetrack drilling tool has the advantages of being capable of avoiding pump choking caused by the blocking of a nozzle of the tapered mill, guaranteeing drilling pressure can be fully added during windowing, and improving milling speed to enhance the efficiency of windowing; and completing the fixing of the wedge deflection tool and the windowing and window repair of the tapered mill through a trip of drilling to greatly improve work efficiency and reduce construction cost and labor intensity.

The invention discloses a process for replacing an adhesive tape for an adhesive tape transporter of a coal mine main shaft loading chamber. The upper man loading space of a coal mine main shaft hoisting skip is utilized, a new adhesive tape is loaded into the skip man loading space on the ground of a wellhead, and the new adhesive tape is lowered to a fan-shaped gate of the lower opening of a loading chamber measuring hopper by the skip; the fan-shaped gate is opened and the new adhesive tape is hoisted into the measuring hopper; an old adhesive tape at an adhesive tape transporter driving roller is cut off at the upper opening of the measuring hopper, and the new adhesive tape is connected with the old adhesive tape below the adhesive tape transporter driving roller at the upper openingof the measuring hopper; the old adhesive tape on the other end is connected with the lower frame of the hoisting skip; the hoisting skip takes the new adhesive tape into the whole adhesive tape transporter by the power of a main shaft hoisting machine, and then joints are connected; a connection roadway between a horizontal coal mine underground big roadway and a main shaft mineshaft is utilizedto recycle the old adhesive tape to a flat vehicle, so that the whole old adhesive tape is recycled and reused and the whole adhesive tape replacing process is finished. The process invention has high adhesive tape replacing efficiency, and the whole process for replacing the adhesive tape costs not more than 2 hours.

The invention discloses a modular ceiling cascade device and a mounting method. The modular ceiling cascade device comprises a ceiling board, an outer frame and a vertical board hanging part, wherein the ceiling board comprises a plurality of edges; a ceiling board keel is arranged on the surface of the ceiling board; a hanging groove is formed in the surface of the ceiling board keel; a ceiling board hanging part is clamped in the hanging groove; the outer frame comprises vertical boards; the number of the vertical boards is equal to the number of the edges of the ceiling board; the plurality of vertical boards are successively connected from head to tail along the length direction to form a closed structure; a junction line is defined between any two adjacent vertical boards; the inner side surface of each vertical board is connected with an outer frame keel; a hanging groove is formed in the surface, facing away from the vertical board, of each outer frame keel; the vertical board hanging parts are used for hanging the vertical boards on the top surface and are clamped in the hanging grooves. The mounting method is used for hanging the modular ceiling cascade device on a top surface. Through the modular ceiling cascade device and the mounting method, the rapid mounting is achieved; the construction difficulty and the construction labor intensity are reduced; the mounting construction processes are reduced; the pollution to a construction site is reduced.

The invention provides a titanium boride cathode coating paste for aluminum electrolysis, a preparation method and a coating method thereof. A coating paste with uniform and stable solid-liquid dispersion, which is suitable for air spraying and has viscosity of between 16 and 35s, is finally formed by optimizing a formula of the titanium boride cathode coating paste for the aluminum electrolysis and adjusting the composition structure. The cathode coating paste prepared by the preparation method can be sprayed by using an air spraying construction process; the process has the advantages of simple operation, uniform thickness and smooth surface of the coating prepared by the spraying, low labor intensity for the construction and high efficiency; the curing, roasting and heating of the coating conform to the roasting and heating conditions of an aluminum electrolysis cell and special roasting equipment and roasting process are not needed in the actual production and application, so the cost can be saved; in addition, the coating obtained by spraying has thickness of between 0.2 and 0.6mm, so the coating has high thermal shock resistance, prevents early falling of the coating, has high resistance against the corrosion of the aluminum liquid and electrolyte and has high wettability with the aluminum liquid.

The invention discloses an assembly-type underground cable trench based on comprehensive wiring of a city. The assembly-type underground cable trench is characterized in that according to the characteristics of the starting part, the straight part, the bent part, the narrowing part and the ending part of the underground cable trench, a cable inlet trench (101), a straight cable trench (102), a bent cable trench (103), a cable outlet trench (104), a straight narrowing cable trench (105), a bent narrowing cable trench (106) and a cable safety maintenance viewing port (107), all of which are respectively formed in an assembled mode, are installed at corresponding positions and are combined to form a closed underground cable trench transportation cable system. The assembly-type underground cable trench is the totally-closed system, has good compression resistance, impact resistance and water resistance to the outside, can be used for a long time at the temperature ranging from -50 DEG C to 100 DEG C without being damaged, and has good moisture resistance, acid and alkali resistance and corrosion resistance to the inside. Cables can be transported in a shielded and isolated mode.

Refractory castable for a submerged-arc furnace for smelting ferro-nickel comprises fused magnesia, fine magnesia-chrome spinel powder, a bonding agent, chromium oxide powder, iron oxide red powder, silicon oxide micro-powder and an additive according to weight ratio. The bonding agent is calcium aluminate cement with aluminum oxide content of 55%, the additive consists of a water reducer and a retarder, and the water reducer is sodium hexametaphosphate or sodium tripolyphosphate. The special refractory castable for the submerged-arc furnace for smelting the ferro-nickel from laterite has fine flowability when used for vibratory pouring construction, a cast body with dense and uniform organizational structure is easily formed, the refractory castable has the advantages of fine high-temperature resistance, excellent ferro-nickel corrosion resistance, long service life and the like when used as a working lining, which contacts with ferro-nickel melt, of a furnace bottom of the submerged-arc furnace and a low wall portion, and effects of improving the running rate of the submerged-arc furnace and reducing consumption of refractory materials, energy consumption and production cost are obvious.

The invention relates to the field of woodworking machines, and provides a woodworking square hole drilling machine and a three-blade drill bit. The woodworking square hole drilling machine comprises a lathe bed, a motor, a drive unit and the three-blade drill bit. The drive unit is arranged below the motor and arranged on the lathe bed in a sliding manner in the vertical direction. The drive unit comprises a gearbox and a drill sleeve fixedly arranged below the gearbox. An output shaft of the motor stretches into the gearbox and is meshed with a camshaft through a plurality of gears and a spline shaft. The camshaft penetrates out of the gearbox and stretches into the drill sleeve. A square sleeve is sleeved with the drill sleeve, and a groined guide frame for limiting the movement direction of the square sleeve is fixedly arranged in the drill sleeve. A cam is arranged at the bottom of the camshaft and stretches into the square sleeve. A Reuleaux triangle block is arranged in the square sleeve, and the cam and the Reuleaux triangle block are connected through a cross connector. An output shaft of the Reuleaux triangle block penetrates out of the drill sleeve and is connected with the three-blade drill bit. According to the woodworking square hole drilling machine and the three-blade drill bit, the efficiency for manufacturing a square hole can be improved, labor intensity is lowered, and the precision for machining the square hole is improved.

The invention discloses an overhead power transmission line laying device composed of a line laying table and a line laying frame. The line laying table is formed by a pedestal, a strand frame, a wire wheel group, and a driving mechanism. The upper surface of the pedestal is connected with the strand frame, the wire wheel group, and the driving mechanism. The driving mechanism is formed by a positioning board, a driving motor, a transmission device, and a driving wheel. The driving motor, the transmission device, and the driving wheel are all installed on the positioning board. The wire wheel group is composed of a frame and at least two wire-pressing wheels installed on the frame and distributed oppositely. The line laying frame is composed of a frame body, a positioning clamp, a line laying clamp, a hauling cable, a guiding wheel, a rope strand wheel, and a driving device. The frame body is a rectangular structure formed by sidewalls and a base plate. The overhead power transmission line laying device may hoist heavy cables, such as power cables, steel strand wires and the like from ground to an assigned height of a power transmission pole, may extend the laid cables, and assures the laid power cables of good sag degrees and tension force.

The invention relates to an insert plate device capable of walking on blown-filled mud soil. A horizontal-direction plate-type impeller and a vertical-direction plate-type impeller which are vertically arranged are installed between the lower part of a floating cabin connected with an operation platform and a floating cabin; one side of the operation platform is vertically provided with a gantry; the upper end of an inclined support is connected with a cross rod, and the lower end of the inclined support is connected with the other side of the operation platform; the upper end of an insert plate stand is connected on the cross rod of the gantry in a sliding way, and the lower end of the insert plate stand is connected on a guide rail of the insert plate stand in a sliding way; the other side of the operation platform is provided with an insert plate winch and a shifting winch; the insert plate winch is connected with an insert plate machine pipe by steel wires; and the shifting winch is connected with the insert plate stand by steel wires. The insert plate device overcomes the defects of slow speed, low construction efficiency, high potential safety hazard and the like in the process of manually inserting a plastic drainage plate. The insert plate device improves the depth and the effect of foundation treatment, and reduces the secondary treatment cost of foundation; and the insert plate device capable of walking on the blown-filled mud soil is capable of walking and inserting the plate on the blown-filled mud soil with low bearing capacity, so that the construction speed can be accelerated.

The invention relates to a wall masonry auxiliary device. The wall masonry auxiliary device comprises a movable base, a telescopic frame, an operation table, a sliding rail, a movement driving mechanism, a storage hopper, a discharging bin, a rotating shaft, spiral blades, a gear and a rack; the telescopic frame is installed on the base, the operation table is installed on the telescopic frame, and the sliding rail and the rack are arranged on the operation table in parallel; the storage hopper is connected with the sliding rail through the movement driving mechanism and can be driven by the movement driving mechanism to move along the sliding rail; a discharging port of the storage hopper is in communication with the discharging bin, the rotating shaft is rotatably installed in the discharging bin, and one end of the rotating shaft extends out to be connected with the gear; and the gear is meshed with the rack, the spiral blades are evenly installed in the discharging bin in the length direction of the rotating shaft, and scrapers are arranged on the two sides, parallel to the direction of the sliding rail, of the discharging port of the discharging bin correspondingly. According to the wall masonry auxiliary device, uniform paving of mortar can be achieved, the quality problems that masonry mortar joints are not full and the thickness is not uniform are solved, lifting construction is facilitated, and the masonry construction efficiency of a wall body is improved.

The invention provides a gantry system of a tunnel lining trolley. The gantry system comprises a support frame, a gantry longitudinal beam, jacking mechanisms and transverse beam connecting beams. The support frame comprises a plurality of single support frame bodies, each single support frame body comprises a gantry transverse beam and two gantry upright columns, the two gantry upright columns of each single support frame body are symmetrically arranged, the gantry transverse beams are perpendicular to the gantry longitudinal beam and are positioned right above the gantry longitudinal beam, and the gantry upright columns are vertically arranged among the gantry transverse beams and the gantry longitudinal beam; the transverse beam connecting beams are parallel to the gantry longitudinal beam and are arranged on the gantry transverse beams; flange plates are arranged on the side surfaces of the gantry upright columns, and two groups of through holes which are used for mounting supporting jack seats and supporting cylinder seats are equidistantly formed in each flange plate; the jacking mechanisms are arranged at two ends of the gantry longitudinal beam. The gantry system has the advantages that the gantry system is simple in integral structure; the supporting jack seats and the supporting cylinder seats can be conveniently vertically adjusted owing to the through holes, so that requirements of different working conditions can be met, and the gantry system is high in practicality; supporting jacks and supporting cylinders can be flexibly mounted and adjusted, accordingly, the construction cost can be greatly lowered, and the labor intensity can be greatly relieved.

The invention discloses a method for producing a preblended light aggregate concrete heat-preservation material. The heat-preservation material is prepared by uniformly mixing and blending spherical light aggregate, fine aggregate, cement, admixture and additives, wherein the fine aggregate is one or more of sand, pottery sand, tailing sand, steel slag and water-quenched slag; the admixture is coal ash and / or mineral powder; the additives comprise a water reducing agent and a water retaining agent; the production raw materials of the spherical light aggregate comprise sludge and mud; the production process comprises steps of blending, pelleting, screening, drying, combusting to puff, cooling in air and cooling naturally. The raw materials used in the heat-preservation material produced by using the method disclosed by the invention are all anti-combustion materials, so that a heat-preservation structure manufactured by using the heat-preservation material is good in fireproof function; as the spherical light aggregate is of a porous structure, good heat preservation and sound insulation effects are achieved. When being applied to heat-preservation construction of roofs or building surfaces, the heat-preservation material is only provided with a proper amount of water, is uniformly mixed and blended, and is subsequently paved on the ground or the roof, and then an integrated heat-preservation structure is formed after the heat-preservation material is cured. The strength of the heat-preservation structure is greatly improved, and the heat-preservation construction is also convenient.

The invention relates to the technical field of blasting, in particular to an initiation method of deep hole blasting for dismounting a building, which is characterized by carrying out a deep holes arrangement design and a perforation construction, carrying out a time delay design of blasting detonators blasted in the deep holes and a construction of filling explosives in the deep holes, designing a time delay blasting of ground network detonators, and connecting detonators in blast holes with ground network detonators, wherein adjacent blast holes at detonation points are asymmetrically blasted. The pitch between arranged deep holes is 2.5-6.5m, the row spacing is 2.5-6.5m, and the depth deltah of the deep hole is 0-3.5m. Every two adjacent deep holes of the detonators among mainly control rows of deep holes are taken as one group, the delayed time of the first group of deep holes is 9-25ms, the delayed time of the second group of deep holes is 17-42ms, circulation is sequentially carried out; and the delayed time of the detonators among branch rows of deep holes is 42-100ms. The invention has the characteristics of large blasting amount, high detonation energy, little vibration,low cost, safety, reliability and the like.

The invention provides a cutter suction dredger over-water floating pipe hydraulic fast connector and relates to equipment based on over-water movable dredge pipe fast butt joint. The fast connector is suitable for fast butt joint of a cutter suction dredger and over-water dredge pipes (also known as over-water floating pipes) of a dredging hydraulic reclamation project, and saves time and labor. The over-water dredge pipe fast connector comprises a connector body, a connecting sleeve, a hydraulic transmission device and a steel belt collection and release locking device. The hydraulic transmission device is arranged on the outer surface of the connecting sleeve and connected with the steel belt collection and release locking device through a connecting device. When the hydraulic transmission device and the steel belt collection and release locking device are in a connection state, the connector body is locked in the connecting sleeve. According to the fast connector, in the construction process of paving the dredge pipes on water, a guiding function of a guiding device of a male connecting sleeve is utilized, and therefore unfavorable influence on butt joint due to the fact that stormy waves cause the dredge pipes to bump and rock is reduced, and fast butt joint of the over-water dredge pipes and fast butt joint of the over-water dredge pipes and the dredger can be achieved through tightening of a traction steel wire. Accordingly, the fast connector is widely suitable for paving of the dredge pipes on the water where water current flow states are turbulent and the stormy waves are strong.

The invention discloses an elastic pile foundation resistant to frost heaving damage. A top connecting module is installed above a frost heaving buffering module, a gravity column module is installed below the frost heaving buffering module, a lifting disc capable of axially sliding in a supporting shaft is installed in the supporting shaft of the frost heaving buffering module, a first rotating shaft seat is fixedly installed on the edge of the lifting disc, the first rotating shaft seat is in shaft connection with one end of a supporting cross beam, the other end of the supporting cross beam is in shaft connection with a second rotating shaft seat, the second rotating shaft seat is fixedly installed on an elastic buffer strip, a buffer net is fixedly installed on the elastic buffer strip, a lead screw is installed in the top connecting module, a driven gear is fixedly installed at the top end of the lead screw, the driven gear meshes with a driving gear, and the driving gear and a crank rotating shaft are fixedly installed. The elastic pile foundation resistant to frost heaving damage can be adjusted according to the actual frozen soil depth of a project; the elastic pile foundation resistant to frost heaving damage can adapt to repeated freezing and thawing, effectively prevent frost heaving and frost pulling, and has a lasting effect; complete dismantling and recycling can be achieved, and the influence on the environment is small; and modularized assembly facilitates later maintenance, and the maintenance cost is reduced.

The invention discloses a chain-plate solar power generation waterproof integrated board system which is composed of toughened glass, a crystalline silicon cell and a base waterproof coiled material, wherein the toughened glass and the crystalline silicon cell are hot-pressed on the base waterproof coiled material from bottom to top. The chain-plate solar power generation waterproof integrated board system disclosed by the invention can be laid and attached onto a flat roof in a lapped mode, or mounted onto a steep slope roof in a vertical overhanding fixation mode; and the chain-plate solar power generation waterproof integrated board system is also suitable for a cambered roof, and can satisfy the requirements for various architectural forms. The chain-plate solar power generation waterproof integrated board system disclosed by the invention not only has the flexibility in the existing flexible film solar cell, but also has the characteristic of low cost which is not possessed by the flexible film solar cell. The photovoltaic board and the waterproof coiled material are combined into a novel construction material, thereby simplifying the mounting process and being economical and convenient.

The invention discloses a coach top side skin with a novel structure and a preparation method thereof. The coach top side skin comprises a reinforcing rib, an arc-shaped skin, a water flow channel and an upper window edge seam allowance; the arc-shaped skin is of an arc-shaped sheet structure and is positioned on the side edge of the top of a coach; the reinforcing rib is positioned in the position, approaching to a straight line, of the upper surface of top side skin and is connected with the upper edge of the arc-shaped skin; the water flow channel is made of a double-layer plate material, is positioned at the junction of the top of the coach and a coach window, and is connected with the lower edge of the arc-shaped skin; the upper window edge seam allowance is positioned below the water flow channel; the reinforcing rib, the arc-shaped skin, the water flow channel and the upper window edge seam allowance form a steel plate through rolling. The coach top side skin disclosed by the invention has the advantages of ingenious structure, low manufacturing cost, simple preparation process, low construction intensity, low maintenance cost and the like.

The invention discloses a mortar material storage method for a mortar pump machine, which comprises the following steps that: an ash hopper with the open top end and with a stirring device is prepared, the ash hopper is fixedly arranged onto a machine frame, and the inclined surface part of the ash hopper is provided with a material outlet pipe opening matched with a material inlet pipe of the mortar pump machine; a sieving assembly is prepared, the sieving assembly comprises a sieving box hopper, an electric vibrator and a filtering screen sieve, the sieving assembly is arranged on the machine frame through an elastic component and is positioned above one side of the ash hopper, the electric vibrator is fixedly connected onto the sieving box hopper, the top of the sieving box hopper is a material inlet, the filtering screen sieve is horizontally arranged in the sieving box hopper, the bottom of the sieving box hopper is provided with an inclined surface, a material outlet is arranged at the lower part of a side plate of the sieving box hopper corresponding to the tail end of the inclined surface, the material outlet is connected to the top of the ash hopper through a material outlet pipe or a material outlet groove with the gradually reduced width, and mortar materials enter the ash hopper through being filtered by the sieving assembly. The invention also discloses a mortar material storage device for implementing the method.

The invention discloses a hydraulic internal mold device for a concrete box girder. The device comprises a mold board system and a plurality of oil cylinders; the mold board system comprises a top mold and multiple moving molds sequentially distributed on the left side and the right side of the mold board system, the mold boards are connected through hinges to form an inner cavity shape of the box girder in an enclosing mode, and the oil cylinders are longitudinally hinged between every two mold boards. A connecting rod mechanism is hinged between every two adjacent moving molds, the connecting rod mechanisms and the moving molds hinged to the connecting rod mechanisms together form a multi-rod mechanism, the oil cylinders and the connecting rod mechanism which are arranged between every two adjacent moving molds are hinged into a whole, piston rods of the oil cylinders stretch out to enable the internal mold system to keep the inner cavity shape of the box girder, and the piston rods contract to enable the internal mold system to be closed in a folded mode. Due to the fact that the connecting rod mechanisms and the moving molds are hinged and both can rotate around the joints, strokes of the oil cylinders can be greatly shortened through application of the connecting rod mechanisms; accordingly, the mold board system can be folded and contracted in an inner cavity of the box girder in a large angle, and then one-time integrated demolding of the overall internal mold device can be successfully achieved.

The invention relates to a seepage draining system layered arrangement method for decreasing the seepage line buried depth of a tailings reservoir. The seepage draining system layered arrangement method comprises the following steps: (1) if the initial-stage dam elevation of the tailings reservoir is N meters, according to the tailings accumulation body beach face seepage draining condition, 1 ton layers of seepage draining blind ditches are formed in a layered mode and designed at different elevations of N+H meters, N+2H meters, N+3H meters, N+4H meters... and N+nH meters of a tailings accumulation dam, and the seepage draining blind ditches are parallel to the dam axes of sub dams and are away from the dam axes of all the stages of sub dams by M meters; (2) each layer of seepage draining blind ditch parallel to the corresponding dam axis is located in front of the corresponding stage of sub dam by M meters, and composed of peastone, a soft water filter pipe and a 400 g / m<2> wrappinggeotechnical cloth; (3) one end of each layer of water guiding pipe perpendicular to the corresponding dam axis is connected with the soft water filter pipe in the corresponding seepage draining blind ditch parallel to the corresponding dam axis through a tee joint; (4) tailings drawing and seepage draining system construction are independently and alternately conducted in a zoned mode; and (5) operation of the tailings reservoir is detected and repaired. According to the seepage draining system layered arrangement method, the seepage line buried depth can be decreased, and it is guaranteed that the dry beach length of the tailings reservoir meets the design specification requirements.

The invention relates to a cable laying construction device, in particular to a cable duct penetrating device. The space inside a cable duct is limited, and the novel cable duct penetrating traditional construction mode is low in efficiency, high in difficulty and likely to damage an old cable. According to the technical scheme, the device comprises two sets of outside pipe pulley supporting pieces, a threading pipe, at least two inside pipe pulleys, a traction rope and a cone cover; the threading pipe is formed by connecting multiple monomer sleeves, and in the working state, the two sets ofoutside pipe pulley supporting pieces are located above the two ends of the threading pipe; clamping bases at the two ends of the threading pipe are each fixedly provided with one inside pipe pulley through a support in a clamped mode; the traction rope penetrates through the threading pipe to wind around the inside pipe pulleys and the two sets of outside pipe pulley supporting pieces in sequenceto form annular connection; the cone cover is detachably installed at one end of the threading pipe. The device is simple in structure, convenient to disassemble and assemble, convenient to use and carry, and capable of enabling multiple cables to penetrate through the cable duct at a time, lowering construction difficulty and labor intensity, improving the working efficiency and avoiding the phenomenon that an old cable is damaged in the threading process.

The invention relates to a sonar video amphibious detection system for pipelines. The sonar video amphibious detection system comprises an amphibious image module, a central control module and a display module. The amphibious image module obtains pipeline sound wave information and pipeline image information of a pipeline to be detected; the central control module comprises a decoding unit, a cutting unit, an identification unit and a superposition unit; the decoding unit is used for performing decoding processing on the pipeline wound wave information and the pipeline image information, respectively; the identification unit identifies a boundary of the pipeline to be detected and a liquid level position within the pipeline; the cutting unit is used for performing twice cutting on the pipeline sound wave information; the superposition unit is used for superposing the pipeline sound wave information and the pipeline image information after twice cutting. The sonar video amphibious detection system for pipelines are capable of simultaneously detecting overwater image videos and underwater sonar videos of the pipelines without discharging water from the pipelines; as a result, equipment cost and construction labor intensity are reduced; synchronization of the overwater image videos and underwater sonar videos is realized; the detection efficiency of the pipelines and the accuracy of detection results are improved.

The invention discloses an integrated window sidetrack drilling tool which comprises a hollow cone mill bit, wedge deflection tool tapered iron and a setting and anchorage device which are sequentially connected. A liquid guide pipe is arranged in the wedge deflection tool tapered iron. The lower end of the liquid guide pipe is connected with a jet pipe in the setting and anchorage device. A setting ball is arranged at the lower end of an inner hole of the jet pipe. The upper portion of the setting ball is clamped to the annular upper clamping edge of the jet pipe. A limiting structure or limiting adhesive tape is arranged at the lower end inside the jet pipe. The setting ball is clamped to the upper clamping edge during downward drilling. An annular lower clamping edge is arranged at the lower end of an inner hole of a lower cone body of the setting and anchorage device. During setting operation, the setting ball breaks through the limiting structure or the limiting adhesive tape under pushing of a high-pressure drilling fluid and falls off to be clamped to the lower clamping edge to achieve setting. By adoption of the integrated window sidetrack drilling tool, the situation that the drilling fluid in a drill stem in the downward drilling process generates excited pressure, and halfway error setting is caused can be avoided, the situation that tripping-out is too fast, pumping is generated, and halfway error setting is caused can also be avoided, operation is reliable, the operating efficiency can be improved, and the operating cost is lowered.

The invention discloses high-temperature anhydrite sand-free self-leveling mortar and a preparation method thereof, the high-temperature anhydrite sand-free self-leveling mortar comprises the following components in parts by mass: 50 parts of high-temperature anhydrite, 0.05 part of fiber, 8.5-14 parts of an admixture, 19-20 parts of water and 0.75-1 part of a gypsum plastic stabilizer, and the high-temperature anhydrous gypsum is mixed-phase anhydrous gypsum prepared by heating dihydrate phosphogypsum at a high temperature, calcining and dehydrating, and the admixture is set as a cementing material for concrete meeting national standard requirements. The admixture is one or a mixture of more of Portland cement, fly ash, silicon powder, ground steel slag powder and mineral powder, the Portland cement is P.O42.5 ordinary Portland cement, the fly ash is II-grade fly ash, the silicon content of the silicon powder is greater than or equal to 90%, the ground steel slag powder is steelmaking slag ground steel slag powder, and the mineral powder is 95-grade mineral powder. According to the high-temperature anhydrite sand-free self-leveling mortar and the preparation method thereof, the high-temperature anhydrite sand-free self-leveling mortar has relatively high water resistance and high strength.

The invention discloses a quick connector device for a floating pipe of a cutter suction dredger, and relates to the technical field of dredgers. The quick connector device comprises a first connector and a second connector which are coaxially arranged; the first connector can be moved into the inner side of the second connector; the periphery of the second connector is rotationally sleeved with a reducing sleeve; a positioning assembly is arranged between the reducing sleeve and the second connector; the positioning assembly is used for oppositely connecting the second connector and the first connector; a locking assembly is arranged between the first connector and the reducing sleeve; and the locking assembly is used for conducting position connection between the first connector and the reducing sleeve. The quick connector device is reasonable in structural design and convenient to operate, effectively improves the connecting efficiency between a dredger pipe body and the floating pipe, and has high market application value.

The invention discloses a heating furnace water beam binding method. A fixing block is arranged on the outer surface of a furnace bottom water pipe. A semi-cylindrical precast block A and a semi-cylindrical precast block B are prepared from heat insulating materials with the heat conduction coefficient smaller than 1.0 w / m.k and are matched to form a cylinder, and a groove in the same size as the fixing block is arranged in the cylinder. The precast block A and the precast block B are installed on the outer side of the furnace bottom water pipe, and the groove inside is rightly matched and connected with the fixing block, and finally the connecting position of the precast block A and the precast block B and the combination positions of the precast block A, the precast block B and the furnace bottom water pipe are sealed with high-temperature cement gum.

Belonging to the technical field of scale removers, the invention discloses a preparation method of a high permeability fast water injection well scale remover. The method includes: firstly utilizing phosphotungstic acid to prepare a catalyst, then reacting the catalyst with glucosamine hydrochloride, adjusting pH and performing other processes to obtain an acidic complexing agent for standby use, using polyoxyethylene aliphatate, octodecyl betaine and other substances to prepare a composite permeation lubricant, and mixing the composite permeation lubricant with the acidic complexing agent, organic acid and other substances, thus obtaining the high permeability fast water injection well scale remover. The scale remover prepared by the method provided by the invention can enhance the dirt dissolution, loosening and falling rate, after the prepared metal complexing agent is added into the scale remover, the scale remover can permeate into a bonding surface of limescale and metal to undergo double decomposition with dirt, the dirt adhesion to the metal contact surface can be reduced so as to make the oil dirt fall off. The scale remover has good treatment effect on inorganic dirt, but also can remove organic dirt, and has the advantages of low construction labor intensity, short construction time, and small corrosion.