30results about How to "Improve geological adaptability" patented technology

The invention discloses a muddy water balance shield tunneling machine and a slag discharging mechanism thereof. The slag discharging mechanism comprises a mud discharging pipeline and a soil bin for storing residue soil; a separating device for separating mud in the residue soil from gravels is arranged between the soil bin and the mud discharging pipeline; the soil bin communicates with a feeding end of the separating device; a mud discharging end of the separating device communicates with the mud discharging pipeline; and a gravel discharging end of the separating device is provided with a gravel discharging device. The muddy water balance shield tunneling machine comprises a shield and the slag discharging mechanism which is arranged in the shield. The slag discharging mechanism has the advantages that safety and stability of a slag outlet system of the muddy water balance shield tunneling machine are improved, and construction efficiency is also improved.

The invention discloses a shield tunneling machine disk type rolling knife knife changing mechanical arm end actuator. The shield tunneling machine disk type rolling knife knife changing mechanical arm end actuator can be cooperatively used with a shield tunneling machine knife changing mechanical arm, an artificial knife changing technology is replaced, and a shield tunneling machine disk type rolling knife is automatically changed. The shield tunneling machine disk type rolling knife knife changing mechanical arm end actuator mainly comprises an end actuator body module, a bolt dismounting and fixing module and an axial movement module; the end actuator body module comprises two hydraulic cylinders which are used for driving four fingers to grab and fix a knife tool, each of the fingers has three contacting areas, when bolts at different positions are grabbed or dismounted, different contacting areas are in contact with the rolling knife; the bolt dismounting and fixing module adopts a cycloid motor as a power source, and the bolts are dismounted through bolt sleeves; the axial movement module brings convenience to dismounting of the bolts, the moving speed of the axial movement module is relevant to the rotating speed of a motor, and the axial movement module is fixed on the frame of the end actuator through a linear guide rail. According to the shield tunneling machine disk type rolling knife knife changing mechanical arm end actuator, the operation is convenient, the constructing efficiency can be sharply improved, the constructing risks are effectively reduced, and the improvement of people on an underground space utilization technology is quickened.

The invention relates to a soft rock roadway whole digging shield support and belongs to the field of mining machinery manufacturing and application. The soft rock roadway whole digging shield support is composed of a semicircle protective arch, two hydraulic support pillars (1) which are arranged on the left side and the right side and a support seat. The upper ends of the two hydraulic support pillars (1) are connected with the semicircle protective arch respectively through a supporting lug (5) and a connecting pin. The lower ends of the two hydraulic support pillars (1) are respectively fixed on pillar fixing seats (6) of two sides of the support seat. Two groups of parallel telescopic guide rails (7) between the two pillar fixing seats(6) are connected to form the support seat. A pipe bending cylinder fixing seat (8) and two lateral pipe bending cylinder (9) are arranged in the middle of the middle portion of the two groups of parallel telescopic guide rails (7). The periphery of the soft rock roadway whole digging shield support can simultaneously bear pressure, compressive strength is high, bearing force is large, operation is convenient, and combination between components is tight. Through optimization design, from the aspects of convenient tunnel construction, the structure innovation and the like, Security, adaptation, technical advancement and economy of a soft rock supporting engineering are entirely improved.

The invention discloses a self-adaptive sea bottom complex terrain compound wheel type traveling mechanism which comprises an articulated frame and a compound gear train which is arranged at both sides of the frame and is provided with an independent driving system. The compound gear train comprises a front connecting plate, a back connecting plate and a front wheel, a middle wheel and a back wheel which are arranged on the front connecting plate and back connecting plate and are provided with the independent driving system; chain wheels exist among the front wheel, the middle wheel and the back wheel; the chain wheels transfer the power by chains; and the front connecting plate and the back connecting plate are articulated with a hydro-cylinder and the frame. The traveling mechanism adopts the active control mode for barrier crossing, can cross steps and bosses with the diameter larger than that of the tyre by two times, can stride a ditch less than the distance between the front wheel and the back wheel in the wheel train, can be adaptive to the high-low fluctuant road surface, causes the tyre and the road surface to be continuously contacted, furthest obtains the adhesive force of the road surface, effectively increases the dynamic performance and working efficiency in the sea bottom complex road condition. The traveling mechanism is simple and compact, has high efficient and flexible movement, low cost, wide adaptation range, good stability and high reliability.

The invention firstly aims to provide a driving system of a shield tunneling machine. The driving system comprises a big gear and a driving unit connected with the big gear or at least two driving units which are connected in parallel and arranged in an annular mode by taking the center of a cutter as a circle center, and the big gear and the driving units are arranged on the cutter. Each driving unit comprises a small gear, a sped reducer and a power driving component, wherein the small gear is meshed with the big gear, an output shaft of the speed reducer is connected with the small gear, and an output shaft of the power driving component is connected with an input shaft of the speed reducer through a clutch device. The driving system of the cutter of the shield tunneling machine has the characteristics of high geology adaptability, high installed power utilization ratio, large torque and convenient installation. A second purpose of the invention lies in providing a shield tunneling machine comprising the driving system, thereby enabling the shield tunneling machine to meet practical requirements and be high in practicability.

The invention discloses a material and muck transporting method for TBM tunnel construction. A tunnel comprises a main tunnel, a parallel adit tunnel and an auxiliary channel used for communicating the main tunnel with the parallel adit tunnel. The parallel adit tunnel comprises a small TBM entrance segment and a small TBM tunneling segment. A temporary transporting line of dual rails is arrangedon the small TBM entrance segment. Three parallel adit transporting lines of four rails are arranged on the small TBM tunneling segment. A muck transporting belt and two main tunnel transporting linesof the four rails are arranged on the main tunnel. The tail of a large TBM crosses over the auxiliary channel, and after the parallel adit transporting lines are connected with the main tunnel transporting line through the auxiliary channel, a parallel adit transporting line extension line connected with the main tunnel transporting line is arranged in the auxiliary channel. During expanding excavation of the parallel adit tunnel, the parallel adit transporting lines are connected with the main tunnel transporting line through the auxiliary channel in front of the expanding excavation work face of the parallel adit tunnel, and then expanding excavation of the parallel adit tunnel is achieved through a borehole-blasting method. The method cooperates with the construction process, and material and muck transporting is matched with the excavation schedule.

The invention discloses a pile foundation punching device and method. The device comprises a punching force generating mechanism; the punching force generating mechanism comprises a metal channel and/or a liquid channel; the punching force generating mechanism is used to utilize a first impact force generated by a gasification explosion of an electrified mental in the metal channel, a second impact force generated by discharging on a liquid in the liquid channel by a power source, or a third impact force generated by the gasification explosion of the metal in the metal channel and a reaction between the mental and the liquid in the liquid channel as driving forces for punching; the driving forces cause the extrusion and crushing of a soil layer to be punched, so as to achieve a punching effect. The device can be used for forming holes and reaming holes of a pile foundation, can improve the working efficiency of pouring piles, and is simple in structure, convenient to operate, small inenergy consumption, safe, reliable and pollution-free; at the same time, the impact forces can be flexibly adjusted, and the device is suitable for different soils, especially suitable for forming holes and reaming holes in sand-gravel layers, hard soil layers, hard rock layers containing boulders and soil layers containing groundwater.

The invention provides a child-mother shield tunneling machine construction method. When a mother shield tunneling machine and a child shield tunneling machine perform tunneling together, a mother machine shield body and a child machine shield body are connected together, a muck conveying system in the child machine shield body conveys the excavated muck to the rear part, and a mother machine propulsion system and a mother machine assembly machine complete the propulsion of shield and the assembly of segments; when the child shield tunneling machine is started, the mother machine shield body and the child machine shield body are disconnected and separated, and the child shield tunneling machine uses a counterforce frame in the mother machine shield body as the base for starting; and when the child shield tunneling machine performs tunneling, the muck conveying system in the child machine shield body conveys the excavated muck to the rear part, and the child machine propulsion system and a child machine assembly machine in the shield tunneling machine complete the propulsion of the shield and the assembly of segments. The child-mother shield tunneling machine construction method cansolve the one-excavation forming problem in the shield tunneling process of a non-circular-cross-section tunnel, saves the surface space, shortens the construction period, and improves the tunnelingefficiency and economy.

The invention discloses a radial drive telescopic arm non-forming cutting digging drilling tool. A box type telescopic arm cutting unit can be selectively installed in a radial hole formed in the outer side of a mounting base so as to adapt to the power and geological conditions of a drilling machine; the digging diameter expansion ratio can meet the requirement of three times of the diameter expansion ratio required by JGJ/T225-2010 Technical Regulations for Large Diameter Bottom Expanded Cast-in-place Piles and DL/T5219-2014 Technical Regulations for Foundation Design of Overhead Transmission Line, and a cutting tool and a driving oil cylinder are consistent in movement direction, the movement direction is perpendicular to the hole wall, the axial size is small, a non-forming cutting forming is adopted, the cutting resistance is small, the torsion resistance of the box-shaped arm in the stress direction is high, various hole types can be flexibly dug, the working effectiveness and reliability of the drilling machine and the drilling tool are improved, a displacement sensor is installed in the cutting unit, the reaming radial footage can be measured in real time, and the digging reaming quality is guaranteed.

The invention discloses a pile-beam integrated fully-prefabricated assembled bridge substructure, a bridge and a construction method thereof.The pile-beam integrated fully-prefabricated assembled bridge substructure comprises a cover beam and a pier stud, the cover beam is arranged in the transverse bridge direction, and the pier stud is a prefabricated concrete pipe pile column formed by pouring concrete in a pile core of a prefabricated concrete pipe pile; the connecting joint of the upper end of the prefabricated concrete pipe pile column and the cover beam and the prefabricated concrete pipe pile column are formed by one-time concrete pouring. According to the invention, a full-prefabricated assembly concept is adopted, so that the integrated installation of the prefabricated concrete pipe pile column, the cover beam and the main beam can be realized. The construction method is easy to operate, convenient to construct, safe and reliable, the construction progress can be accelerated, the construction cost can be reduced, existing road transportation pipe piles can be utilized, construction shortcuts and construction temporary bridges do not need to be erected, occupied space is saved, good adaptability is achieved for regions with high construction environment requirements, and the construction method can be applied to the environment where the construction conditions are limited and shortcuts and temporary bridges cannot be erected. And full-prefabricated industrial construction and quick construction can be realized in urban regions with busy traffic.

The invention, which belongs to the technical field of deep space exploration, provides a gas excitation sampler for celestial bodies. The sampler comprises a drilling machine, a rock breaking machinetool, a sample container, a gas source and a gas circuit. Wherein the sample container comprises an inner cavity, an outer cylinder and an upper cover; the two ends of the inner cavity are communicated, the inner cavity is sleeved with the outer cylinder, and the upper cover is installed on the outer cylinder. An annular cavity is formed between the inner cavity and the outer cylinder; the rock breaking machine tool penetrates through the upper cover, passes through the inner cavity and then is used for drilling to break rock; the drilling machine is used for driving the rock breaking machine; a packaging airtight door is arranged on the side wall of the inner cavity; gas of the gas source is blown into the inner cavity through the gas path and used for blowing a sample into the annular cavity through the packaging airtight door.