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

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 forceof 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.

A method for transporting materials and muck for TBM tunnel construction. The tunnel includes a main tunnel, a level guide tunnel, and an auxiliary channel for connecting the main tunnel and the level guide tunnel. The level guide tunnel includes a small TBM machine entry section and a small TBM machine excavation section. Set up a temporary two-track transportation line in the entry section of the small TBM machine, and three flat guide transportation lines with four tracks in the excavation section of the small TBM machine; set up a muck conveyor belt and two main tunnel transportation lines with four tracks in the main tunnel; After the tail of the large TBM machine crosses the auxiliary channel and the horizontal guide transport line can be connected with the main tunnel transport line through the auxiliary channel, an extension line of the horizontal guide transport line connected with the main tunnel transport line is set in the auxiliary channel; During the excavation of the level guide tunnel, the level guide transport line will be connected with the main tunnel transport line through the auxiliary channel in front of the excavation face of the level guide tunnel, and then the level guide tunnel will be expanded and excavated by the drill and blast method. The method is matched with the construction process, and the transport of materials and muck is matched with the progress of excavation.

The invention relates to an annular pipe jacking machine which comprises an annular shell, a cutter head, a muddy water system, a synchronous grouting system, a jacking mechanism, a guide system and a control system. The annular shell comprises an outer-layer shell body and an inner-layer shell body, the cutter head is arranged in the annular shell, the muddy water system comprises a mud inlet and outlet pipeline and a mud and water separation treatment device, the mud and water separation treatment device is arranged on the ground, grouting pipes of the synchronous grouting system are arranged in the annular shell and sections of a jacking pipe respectively, thixotropic slurry is injected through a grouting hole, the jacking mechanism is arranged in a jacking pipe work well and used for jacking the sections of the jacking pipe, the guide system comprises a gyroscope, a tilt meter and a height gauge which are used for determining the posture of the annular pipe jacking machine and tunneling precision, and the control system is arranged on the ground and used for performing cooperative control on the cutter head, the muddy water system, the synchronous grouting system, the jacking mechanism and the guide system. Compared with the prior art, an excavated section is small, the shape of the section is flexible, and the annular pipe jacking machine is suitable for building tunnels with large sections and extra-large sections.

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 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 discloses a compound driving device of a hydraulic motor of a TBM (tunnel boring machine) cutting disc motor. The compound driving device comprises a big gear ring and a variable frequency motor driving mechanism, wherein the variable frequency motor driving mechanism comprises a first pinion, a first speed reducer and a variable frequency motor; the first pinion and the big gear ring are meshed; an output shaft of the first speed reducer and the first pinion are fixedly connected; an input shaft of the first speed reducer and an output shaft of the variable frequency motor are connected; in addition, the compound driving device also comprises a hydraulic motor driving mechanism, wherein the hydraulic motor driving mechanism comprises a second pinion, a second speed reducer, a viscosity clutch and a hydraulic motor; the second pinion and the big gear ring are meshed; an output shaft of the second speed reducer and the second pinion are fixedly connected; an input shaft of the second speed reducer and an output shaft of the viscosity clutch are connected; and an input shaft of the viscosity clutch and an output shaft of the hydraulic motor are connected. By utilizing the compound driving device, geological adaptability of a TBM cutting disc driving system and trouble-out ability of the TBM are obviously improved, so that driving characteristics of the cutting disc and geological characteristics of rock are matched, and the use ratio of the installed power is improved.

The invention provides a hollow shaft motor reverse transmission braking device for a hard rock heading machine. The braking device comprises a transmission gear set, a planetary reducer, a hollow shaft motor, a concentric shaft, a hydraulic safety coupler and a braking mechanism. The braking mechanism is arranged on the hydraulic safety coupler. The hydraulic safety coupler is connected with the motor hollow shaft of the hollow shaft motor. The concentric shaft is arranged in the motor hollow shaft, one end of the concentric shaft is connected with the hydraulic safety coupler, and the other end of the concentric shaft penetrates through the motor hollow shaft and is connected with the input end of the planetary reducer. The output end of the planetary reducer is connected with the transmission gear set. Reverse transmission and reverse braking are achieved.

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 an anti-explosion TBM (tunnel boring machine), which includes a cutter head tunneling mechanism used for crushing coal rock, a driving device mounted at a front shield of a shielding device, connected with a cutter head of the cutter head tunneling mechanism and used for driving the cutter head to rotate, and a boosting oil cylinder mounted in a middle shield of the shielding device, wherein electric equipment of the driving device and hydraulic equipment of the boosting oil cylinder are anti-explosion equipment. As the electric equipment and the hydraulic equipment of the anti-explosion TBM are anti-explosion equipment, the anti-explosion TBM avoids the hidden danger of electric spark generation, and can be used in coal mine tunnels with coal dust and gas, and improves the operating safety.

The invention discloses a shield machine slag discharging method. The method comprises a slagging step 1) in which slag cut by a cutter is conveyed to a soil storehouse of a shield machine; a separation step 2) in which gravel and slurry of the slag in the soil storehouse are separated; and a slag discharging step 3) in which the separated slurry is discharged through a slurry discharging pipe of the shield machine and the separated gravel is discharged through a gravel discharging device. By employing the method, the construction efficiency is improved, and the safety and stability of a slag discharging system are improved.