50results about How to "Speed up work progress" patented technology

The invention discloses an overhauling operation control method based on a mobile terminal. The method comprises the following steps: constructing an overhauling operation control platform based on the mobile terminal; constructing a software platform; and the software platform formulating a corresponding operation task according to the overhauling operation task, setting an instruction template and transmitting the task instruction to the corresponding first to Mth mobile terminals, the mobile terminal locking other mobile terminals and viewing the operation progress in real time and the like. The method has the advantages: real-time information communication is performed on the site operation condition by the mobile terminal, so that low efficiency caused by multiple calls or repeated communication with paper is avoided; and an operator uses the mobile terminal to remotely control an intelligent socket to achieve the purposes of intelligent power disconnection and power connection, so that intelligent early warning of potential safety hazards is realized, information can fed back to the mobile terminal and a mobile overhauling operation controller in real time, and the safety of site operation is ensured.

The invention relates to an earth excavation technology for an ultra-large type deep foundation pit. The earth excavation technology for the ultra-large type deep foundation pit comprises the following steps that (1) after measurement, a plurality of regions are divided, and earth slope roads are arranged between the regions; (2) a basin-type excavation technology is adopted in the foundation pit boundary regions, wherein construction is conducted on middle earth at first, then construction is conducted on ring-edge earth, and a slope supporting structure is constructed in time; (3) an island-type excavation technology is adopted in the foundation pit middle regions, construction is conducted on earth of the adjacent boundary regions, then construction is conducted on middle earth, and stable transition with the adjacent regions is considered comprehensively; (4) the regions are excavated and supported layer by layer, overexcavation is strictly prohibited, mechanical excavation is primary, manual construction and excavation are secondary, and it is guaranteed that undisturbed earth is not damaged; (5) a reverse-type excavation technology is adopted in the earth slope roads, and excavation is conducted from bottom to top step by step. Intercepting ditches are formed in the periphery of the foundation pit, drainage ditches and water-collecting wells are formed in the construction regions, and accumulated water is discharged in a concentrated mode. The earth excavation technology for the ultra-large type deep foundation pit has the advantages that the advantages of the island-type excavation technology and the advantages of the basin-type excavation technology are brought into full play, the construction procedures are linked effectively, the progress of operation is rapid, the time effect is reduced effectively, and safety is high.

The present invention relates to a small multifunctional development machine for mining coal and repairing roadway. It includes self-propelled crawler body on which a hoeing machine and a cutting arm connecting device are mounted, said cutting arm connecting device is hinged with cutting arm, hinged swinging device and cutting head device whose cutting head can be leftwards and rightwards moved. Said cutting head device is hinge-connected with cutting arm by means of hinged swinging device, and can be removably connected. Said development machine can be matched with breaking hammer and percussion drill, so that it has several different functions.

The invention discloses a double adjusting location locking device used for a cast-in-place compound template of building construction, which mainly consists of a pre-burying annular shelf provided with a convex column, an adjustable location fastener connected with the convex column in thread and an adjusting screw rod; the pre-burying annular shelf is arranged in a cast-in-place cavity formed by the template and leads the adjusting screw rod to extend out of the wall of the template to reveal an adjusting square head; adjustable location fastener can be driven to rotate and move the template to a needed position by turning the adjusting screw rod, then a locking nut is used to lock the template; the invention can simultaneously carry out double direction adjustment location to fix the compound template to form the cast-in-place cavity along the transverse and the longitudinal direction for the use of construction, has the advantages of precious adjusting location, convenient construction operation and saving construction material consumption, etc., besides, the invention has remarkable effects on improving the construction efficiency and the building engineering quality.

The invention discloses an island-basin combination excavation method for consequent operation of a major-diameter round no-inner support deep foundation pit. The island-basin combination excavation method comprises the following steps: firstly processing a top soil mass by island type excavation, constructing a top round soil mass, and then excavating a middle soil mass and timely constructing a round purlin of the top layer; if the round purlin of the top layer achieves the design strength, firstly excavating a lower round soil mass, timely constructing a lower round purlin and then excavating a lower middle soil mass; if the round purlin of the top layer is not formed or does not achieve the design strength, on the premise of satisfying the foundation pit deformation control requirement, firstly excavating the lower middle soil mass, and then excavating the round soil mass; and finally excavating the residual soil mass of the layer. The island-basin combination construction method is used and then the island-basin combination excavating operation way closely joined with enclosing structure construction is formed. The excavation progress of the foundation pit is quickened, the exposure time of the foundation pit is reduced and the deformation control of the enclosing structure and the ambient environment protection are facilitated.

The invention discloses an installation platform of a reinforcement cage and a using method thereof. The installation platform comprises a body which contains a cuboid, the body is provided with a through hole, the diameter of the through hole is matched with the diameter of a protective cylinder, the height of the lower surface of the body is larger than the height of the top face of the protective cylinder, at least two limiting parts are arranged on the upper surface of the body, and the front ends of all the limiting parts extend into the through hole; the front ends of all the limiting parts are concentric, all the front ends are concentric with the protection cylinder, and at least one communicating hole channel is formed in each side face of the body; and the sizes of the hole channels are adaptive in the sizes of bolts, and all the bolts are used for being connected with the body and the reinforcement cage. By the adoption of the device, the operation platform can be provided when the reinforcement cage is installed and concrete is poured, so that the installation stability of the reinforcement cage is ensured, the construction difficulty of workers is lowered, the construction efficiency is improved, the operation progress is accelerated, the positioning of the reinforcement cage is effectively realized, and the installation quality of the reinforcement cage is improved.

The invention relates to a cement retarder which is prepared from the following raw materials in parts by weight: 50 to 90 parts of ardealite, 6 to 47 parts of desulfurized fly ash, 1 to 3 parts of mineral powder and 0 to 3 parts of limestone flour, wherein the specific surface area of the mineral powder is more than or equal to 500 m<2>/Kg. The cement retarder realizes comprehensive treatment ofthe desulfurized fly ash and the ardealite through simple measures, so that wastes are turned into treasures, energy is saved, and the environment is protected; furthermore, the cement retarder is economical, practical and low in cost. The dilemma problem of occupation and environmental pollution which are caused by low utilization rate of the desulfurized fly ash and the ardealite for an enterprise is relieved, and a qualified cement retarder is provided for a cement production enterprise; therefore, the cement retarder has a very wide application prospect.

The invention provides a light portable rock drill shock absorption support, and belongs to the shock absorption support device field. The light portable rock drill shock absorption support solves the defects that an existing portable rock drill is low in work efficiency, large in action intensity and poor in automation degree. The light portable rock drill shock absorption support comprises a bottom seat, wherein a shock absorber is connected with the upper portion of the bottom seat, the upper portion of the shock absorber is connected with a clamp groove, the lower portion of the bottom seat is connected with frame legs, and the frame legs are designed in a telescopic type. The frame legs are connected with the bottom seat through a spherical pair, and the number of the frame legs is two. The light portable rock drill shock absorption support can achieve single person and single machine operation for the portable rock drill, reduces labor intensity, improves work efficiency, averagely saves four or five persons for one work face, and not only achieves the effects of saving manpower resources and reducing labor intensity of workers, but also accelerates operation progress.

The invention discloses a tunnel engineering mining method excavation blasting instantaneous dust fall process. The tunnel engineering mining method excavation blasting instantaneous dust fall process is used for effectively utilizing blasting shock waves to form a high-density water mist closed area at the front end of a tunnel excavation face during mining method excavation blasting. The tunnel engineering mining method excavation blasting instantaneous dust fall process comprises the steps that after waterproof explosives and waterproof detonating detonators are installed on the tunnel excavation face, simple sleeve valve steel pipe mist spraying equipment is adopted in the range away from a dust dense area of a blasting face, spraying is carried out for more than 5 minutes, the water mist closed area is formed, then detonation blasting is carried out, high-speed vibration impact is carried out through the blasting shock waves, dust molecules and high-density water molecules move relatively at a high speed in the water mist closed area, mixed and dried dust particles rapidly absorb the water molecules in the water mist, the weight of the water molecules is sharply increased, the water molecules rapidly fall onto the ground, and the purpose of instantaneous dust removal is achieved. The tunnel engineering mining method excavation blasting instantaneous dust fall process effectively solves the problem that dust in tunnel engineering mining method excavation blasting is difficult to quickly eliminate.

The invention discloses an external conductive cable connector, and the connector comprises a clamping piece, a conductive wiring lug and a locking threaded sleeve; the sleeve head of the conductive wiring lug is provided with an external thread, the clamping piece is a conductive conical shrinkage sleeve provided with an axial shrinkage groove, and the sleeve hole of the locking threaded sleeve is an internal threaded hole and a conical hole which are coaxial. A cable core of the conductive cable penetrates through a sleeve hole of the locking threaded sleeve and is arranged in a sleeve holein the head end of the conductive wiring lug sleeve, the conductive conical contraction sleeve is sleeved on the cable core and is arranged in a sleeve hole of the locking threaded sleeve, and the locking threaded sleeve is screwed on a sleeve head of the conductive wiring lug. The screwed-in locking screw sleeve enables the conductive conical contraction sleeve to axially abut against the sleevehead end of the conductive wiring lug and then radially contracts the conductive conical contraction sleeve so as to clamp the wire core. According to the invention, deep processing of the conductivewiring lug is avoided, and the operation progress is accelerated.

The invention discloses a tree digging machine which comprises a second fixing plate, a mounting plate, a casing and a rotating wheel. A belt box is mounted on the front face of the casing, a large belt pulley and a small belt pulley are mounted in the belt box, a hydraulic motor is mounted at the top of the casing through a fixing component, the output end of the hydraulic motor is connected withthe large belt pulley on the belt box, the rotating wheel is mounted in the casing through a second rotating shaft, the large belt pulley is connected with the second rotating shaft through the smallbelt pulley, an oil pipe is mounted at the input end of the hydraulic motor, and the mounting plate is mounted on one side of the casing. Through a series of structure compositions of the second fixing plate, the mounting plate, the casing and the rotating wheel and the like, compared with a conventional tree digging machine, the tree digging machine is more convenient to use and is simplified onthe whole, so that workers operate and control the tree digging machine more conveniently during operation, the tree digging machine control difficulty is lowered, the tree digging fault occurrence rate is reduced, and the tree digging machine is high in practicality and worth popularizing and using.

The invention discloses a small excavator with double support arms, which comprises a bucket rod, two hinged seats, two support arm oil cylinders and a bucket, wherein the bucket rod is arranged between a moving arm and the bucket, and comprises a first bucket rod and a second bucket rod which are hinged with each other from the head to the tail, the front part of the second bucket rod is divided into two support arms which are equal in length, the front ends of the two support arms are pin-jointed with the bucket, the two hinged seats are respectively arranged on pin-jointed positions of the front ends of the two support arms and the bucket, the two support arm oil cylinders are respectively arranged on the outer sides of the two support arms, the bucket comprises a bucket main body, a bucket seat and a bucket tooth, the bucket seat is pin-jointed with the front ends of the two support arms, the bucket tooth is of an isosceles triangle, and sawteeth are uniformly distributed on the two equal sides of the isosceles triangle. The small excavator with the double support arms is reasonable in design, improves excavating strength, stabilizes excavating operation performance, can not cause mechanical injury to the bucket rod during the excavating operation, and prolongs service life.

The invention discloses a method for randomly adjusting blast-furnace tuyere air inlet area. The method comprises the following steps that 1) a tuyere sleeve is manufactured in advance for standby, wherein the inner diameter of the small port end of the tuyere sleeve is phi 100 mm; 2) during blast furnace production, a tuyere small sleeve with the inner diameter of phi 125 mm or phi 120 mm is generally arranged, if the air inlet area needs to be reduced during blast furnace operation, the tuyere sleeve with the inner diameter of phi 100 mm is additionally arranged; 3) if the air inlet area ofthe blast furnace needs to be continued to be adjusted to be 0.259 square meter, before the tuyere sleeve is additionally arranged, a brick cutting machine is used for cutting off the small end of thetuyere sleeve by 10 mm, and then the inner diameter of the tuyere sleeve is changed from phi 100 mm to phi 105 mm; and 4) according to the different requirements of the air inlet area of the blast furnace, the brick cutting machine is used for sequentially cutting off the small end of the tuyere sleeve by the length of 10 mm so that the tuyere sleeve can be changed into tuyere small sleeves withdifferent inner diameter such as phi 105 mm, phi 110 mm, phi 115 mm, phi 120 mm and phi 125 mm, the different requirements of blast furnace operation are met, and the requirement of blast furnace production is met.