473results about "Shaft sinking" patented technology

The invention relates to the technical field of mine freezing construction, in particular to a deep strong permeable fracture soft rock stratum vertical shaft frozen wall analysis method which comprises the steps that freezing points reaching the freezing temperature are collected and fitted into a freezing temperature field; dividing a freezing area according to the position of each freezing point in the freezing temperature field and the time point when the freezing point reaches the freezing temperature, and forming a freezing boundary according to the morphological characteristics of the freezing area; deriving position points at the frozen boundary according to the positions of the frozen boundary in a plurality of time periods, and checking the advancing trend of the frozen boundary according to the spacing distance and the spacing temperature gradient between the position points; based on the advancing trend of the current frozen boundary, setting a boundary condition under the advancing trend; dividing the freezing temperature field into a plurality of evaluation temperature surfaces by using the boundary condition of the current freezing boundary, iterating the freezing temperature field by using the evaluation temperature surfaces, and correcting the freezing boundary; the accuracy of freezing boundary identification is realized, and the safety and efficiency of freezing construction are improved.

The invention relates to the technical field of shaft drilling machine supporting, in particular to a shaft drilling machine supporting device and a control method thereof.The shaft drilling machine supporting device comprises a supporting frame, a first positioning unit, a second positioning unit, a detection unit and a control unit, and the supporting frame is arranged above a shaft; the first positioning unit is arranged on the upper portion of the supporting frame and comprises a positioning ring, a gear disc, a driving gear, a limiting plate and a connecting rod, the second positioning unit is arranged on the lower portion of the supporting frame and comprises at least three positioning clamping assemblies evenly distributed on the lower portion of a drill rod to be installed in the circumferential direction, and each positioning clamping assembly comprises a driving mechanism and a clamping plate; the first positioning unit, the second positioning unit and the detection unit are all in circuit connection with the control unit; the problems that an existing drilling rig is single in function, manual operation judgment is needed when a drill rod deviates, a manual judgment result has large hysteresis quality, the construction perpendicularity of the drill rod is difficult to feed back in time, and the difficulty of follow-up treatment and repair of the drill rod is increased are solved.

The invention discloses a subway separation island type underground excavation station construction method. The method comprises the following steps that a vertical shaft is excavated, and a construction transverse channel connected with a pilot tunnel is excavated; pilot tunnels are constructed and supported; constructing an enclosure structure and a waterproof curtain, and constructing a top beam on the pile; an advance support and a primary support are constructed, and large arch earthwork is excavated; pouring an arch secondary lining structure; pouring the side wall and the middle plate; constructing a structural bottom plate and side walls; constructing a contact channel; and a platform plate and a rail top air duct are constructed. The method has the advantages of being safe and reliable in construction process, low in economic cost, small in environmental influence, good in passenger use attribute, high in underground space utilization rate, convenient to connect with surrounding traffic and urban space and the like, and has wide popularization prospects.

The invention provides a comprehensive advanced geological forecasting method for an ultra-deep vertical shaft of a metal mine, and belongs to the technical field of water prevention and control in construction of the ultra-deep vertical shaft of the metal mine. The conditions that a tectonic fracture zone, a high confined aquifer and the like possibly exist in the deep stratum, have construction hidden dangers and are prone to causing water burst disasters are accurately recognized, and the advanced detection precision of the deep stratum of the shaft is improved; meanwhile, a feedback forecasting process of geological analysis-geological modeling-geophysical prospecting circle target-drilling verification is formed, a multi-level verification system is constructed, the specific geological condition of an abnormal area is clearly detected, and the advanced positioning and judgment accuracy of a geological abnormal body in a deep stratum is remarkably improved; and by integrating and fusing multi-source geological information, the geological abnormal body information is comprehensively analyzed and judged, so that the requirements of deep rock mass mechanical property analysis and water inrush disaster prevention and control are met.

The invention discloses an online high-precision pose measurement and control method and system for a vertical shaft heading machine, relates to the technical field of vertical shaft construction, and solves the problems that factors considered by an existing pose measurement and control method are not comprehensive enough, the deviation correction amplitude cannot be flexibly adjusted according to the deviation, and the pose change of the heading machine after adjustment cannot be predicted. According to the technical scheme, the method is characterized in that displacement deviation, displacement deviation variable quantity, angle deviation and angle deviation variable quantity of a heading machine pose and a target pose are obtained through a pose measuring system, the deviations are decomposed into XOZ and YOZ planes and input into a combined fuzzy controller of the corresponding planes, and the pressure difference of a supporting oil cylinder and a hydraulic cylinder is obtained; constructing an input feature sequence based on the pressure difference of the supporting oil cylinder and the hydraulic cylinder, inputting the input feature sequence into a pose prediction model based on a neural network, and predicting the displacement deviation and the angle deviation of the heading machine in a future time period, so as to predict the pose change of the heading machine after the pressure difference of the supporting oil cylinder and the hydraulic cylinder is adjusted; the problems are solved.

The invention provides blind shaft tunneling equipment, and belongs to the technical field of shaft sinking equipment. The slag pumping equipment is arranged on the slag pumping platform, and an inlet of the slag pumping equipment is connected with a slag pumping pipe; the tunneling cutterhead is connected with the slag pumping platform, the tunneling cutterhead is connected with a driving shaft, the driving shaft is of a hollow structure, and the inlet end of the slag pumping pipe extends into the bottom of the tunneling cutterhead through the driving shaft; according to the invention, the slag pumping platform is arranged, and the slag pumping equipment is arranged on the slag pumping platform, so that during construction of the blind shaft, broken stones generated by bottom excavation are fully crushed under the rotation action of the tunneling cutter head and are conveniently pumped to the slag pumping platform, efficient cleaning of the broken stones is realized, and the situation that the tunneling efficiency is reduced due to accumulation of the broken stones is avoided; therefore, the problem that slag is difficult to discharge during construction of the blind shaft is solved.

The invention relates to the technical field of tunnel construction, in particular to tunnel bottom-expanding cast-in-place bored pile construction supporting equipment which comprises a tunnel top and an excavating device body, the excavating device body is located on the tunnel top, and through the use of a punching bottom-expanding assembly and a synchronous stirring assembly, when a vertical shaft is excavated on the tunnel top, the excavating device body can be driven by the synchronous stirring assembly; excavating and bottom expanding are integrated together, the stirring belt ring is used for stirring the supporting module, the speed of the supporting module is kept consistent with the speed of vertical shaft excavating, and before supporting of the supporting module, the elastic connecting belt puns the inner side wall of the vertical shaft, the cutting tool bit trims the inner side wall of the vertical shaft, and then the vertical shaft is excavated. And the elastic connecting belt slightly knocks the inner side wall of the supporting module again, so that the tight attaching degree of the supporting module and the inner side wall of the vertical shaft is increased, and the device is more stable and reliable when the vertical shaft is excavated in an area with soft soil texture.

The utility model discloses a circular working well main body structure which comprises a cylindrical hollow side wall, a top plate located at the top is arranged at the upper end of the side wall, a bottom plate located at the bottom is arranged at the lower end of the side wall, #-shaped crossed internal partition walls are arranged in the internal space of the side wall, and the internal partition walls divide the internal space. And four shield launching and receiving holes are reserved in the lining wall on the inner side of the side wall. According to the utility model, the inverted circular lining wall and the enclosure structure form a superposed side wall, the support rigidity of an internal #-shaped crossed longitudinal and transverse beam (wall) system is large, and structural members are permanently and temporarily combined, so that the stability of the multi-hole structure of the ultra-deep circular working well is enhanced, and the formation deformation is effectively controlled. The longitudinal and transverse beam (wall) system is reasonable in space layout, plate span is reduced, a self-balancing space stress system is formed, the thickness of the top plate and the thickness of the bottom plate are small under the condition of large burial depth, the plate face is flat, arching is not needed, construction is convenient, and space utilization is reasonable.

The embodiment of the invention provides a large vertical shaft and a construction method thereof, and belongs to the technical field of underground constructions.The vertical shaft comprises a shaft body formed by splicing a plurality of segments; the top ring beam is annular and is arranged on the outer side surface of the top of the shaft; the uplift piles are arranged below the top ring beam in the depth direction of the vertical shaft and located on the outer side of the shaft; the bottom end of the uplift pile is lower than the bottom end of the shaft and is integrally connected with the bottom end of the shaft in a pouring mode. The top ends of the uplift piles are fixedly connected with the top ring beam; the horizontal distance between the uplift pile and the outer side face of the shaft is smaller than or equal to the pile diameter of the uplift pile. According to the large vertical shaft and the construction method thereof, the uplift piles, the top ring beam fixed to the stratum and the shaft are fixedly connected into the integrated structure, buoyancy caused by underground water on the periphery of the deep vertical shaft can be resisted, and the large vertical shaft and the construction method thereof can be suitable for building the ultra-large and ultra-deep vertical shaft with the diameter being 16 m or above and the depth being 50 m or above.

This application provides a large vertical shaft and its construction method, belonging to the field of underground construction technology. The shaft includes: a shaft cylinder composed of multiple ring segments; a ring-shaped top beam located on the outer side of the top of the shaft cylinder; and tension piles positioned below the top ring beam and outside the shaft cylinder along the shaft's depth direction. The bottom of the tension piles is lower than the bottom of the shaft cylinder and is cast integrally with it. The top of the tension piles is fixedly connected to the top ring beam. The horizontal distance between the tension piles and the outer side of the shaft cylinder is less than or equal to the pile diameter. The large vertical shaft and its construction method provided in this application integrate the tension piles, the top ring beam fixed to the ground, and the shaft cylinder into a single structure, capable of resisting the buoyancy caused by groundwater surrounding a deep shaft. This method is suitable for constructing ultra-large and ultra-deep vertical shafts with diameters exceeding 16 meters and depths exceeding 50 meters.

The invention provides vertical shaft construction equipment and a construction method. The vertical shaft construction equipment comprises a cutting device for cutting a rock soil body; the drilling rod is vertically arranged, and the drilling rod is connected with the cutting device so as to drive the cutting device to rotate; the shield body is connected with the multiple vertical shaft pipe joints in a matched mode to form a barrel-shaped structure with the top sealed and the bottom open, at least part of the drill rod is located in the barrel-shaped structure, and the cutting device is located at the top of the barrel-shaped structure; and the jacking device is arranged below the shield body so as to push the shield body and the cutting device to synchronously move upwards. The vertical shaft construction method solves the technical problems that a vertical shaft construction technology cannot conduct vertical shaft construction of the deep-buried hard stratum, the construction cost is high, and the working procedures are tedious.

The invention discloses a vertical shaft excavation construction method, a vertical shaft to be excavated is divided into a first vertical shaft to be excavated and a second vertical shaft to be excavated, and the construction method comprises the following construction steps that S1, an upper flat tunnel is excavated and constructed to the bottom of the first vertical shaft to be excavated to form a first cross section, the lower flat tunnel is excavated to the bottom of the second vertical shaft to be excavated to form a second cross section; s2, a section of the lower portion of the first shaft to be excavated serves as a protection section to be reserved, and construction is conducted on the top of the first shaft to be excavated to the top of the protection section through a normal well method; a slag sliding pilot shaft is constructed downwards along the axis of the second vertical shaft to be excavated through a raise-boring method; s3, after the slag sliding pilot shaft construction is completed, the protection section continues to be constructed to the first cross section through the normal well method; and S4, a second vertical shaft is planned to be excavated to a second cross section through inverse well construction by adopting construction equipment of a normal well method. According to the vertical shaft excavation construction method, the technical problem that the construction difficulty of the deep and large vertical shaft is high is solved.

The invention discloses a vertical shaft and inclined shaft non-blasting excavation construction method and a working platform. A guide shaft space is constructed through mutual cooperation of a forward drilling machine and a raise boring machine; measuring and setting out the section, determining the construction footage, and generating drilling coordinates according to the geometrical relationship between the pilot well space and the tunnel face; according to a preset rule, splitting hole sites of a staggered hole net are arranged on the outer edge and the interior of the section; according to the drilling coordinates and the splitting hole positions, splitting the rock mass through a splitting rod according to preset parameters; collecting and obtaining hole periphery convergence data in real time, and correcting the construction footage according to the data feedback; collecting the slag charge of the tunnel face to a guide well mouth through mechanical slagging-off operation, and sliding the slag through the guide well; and carrying out primary support and updating support parameters in real time, and entering the next cycle footage after updating is completed. The requirements for low disturbance, early supporting, high safety and high efficiency can be met, adaptation to complex working conditions is achieved through unmanned and remote centralized control, and therefore the construction requirements under the complex working conditions are met.

The invention provides a pipe jacking working well construction method for soft clay geology. The pipe jacking working well construction method comprises the steps that S1, replacement filling and cushion layer construction are conducted in a construction area corresponding to a working well; s2, a formwork is erected for blade foot pouring, S3, excavation is conducted from the middle of the open caisson to the periphery in a layered mode, the open caisson is filled with backfill sand for back pressure after final sinking, and well wall heightening is conducted after backfill; s4, after the backfill sand is cleaned, sinking and heightening are carried out for multiple times until excavation is carried out to a preset elevation; s5, riprapping and leveling the well bottom, and then moving from the well edge to the middle for layered pouring to form a back cover; and S6, after water pumping is completed, reinforcing steel bars are bound, concrete is poured, and a bottom plate is formed. The mode that symmetrical excavation is conducted and soil bodies are reserved along the periphery of a blade foot to form a soil embankment is adopted, the well wall evenly sinks under the action of self weight, and the problems that the well wall inclines and cracks are caused by uneven sinking are avoided.

The invention discloses an underwater tunneling pose measurement and control method and system for an open caisson type vertical shaft heading machine, and the method comprises the steps: before the open caisson type vertical shaft heading machine is installed, installing a pipeline rack and at least three groups of recovery winch systems for suspending the heading machine, correspondingly installing a pose measurement and control assembly of the open caisson type vertical shaft heading machine, and setting an early warning value; the heading machine pose measurement and control assembly comprises a pull rope displacement sensor, an accelerometer, a gyroscope and a controller; in the process of executing pose measurement and parameter calculation operation, coordinate correction after heading motion state data of the heading machine is considered, and data of an accelerometer and a gyroscope are fused to correct the heading pose of the open caisson type vertical shaft heading machine. Automatic measurement of the open caisson type vertical shaft heading machine under the non-drainage condition can be achieved, real-time deviation rectification is achieved, the heading precision is improved, the authenticity and reliability of the heading direction of the open caisson type vertical shaft heading machine are ensured, real-time deviation rectification is conveniently achieved, and the heading precision is improved.

The invention discloses a drill rod tension type vertical shaft tunneling process which comprises the following steps: constructing a pilot shaft into a stratum by utilizing a raise boring machine, constructing a starting shaft, sequentially hoisting a tunneling machine and a hanging scaffold system into the starting shaft by utilizing hoisting equipment, and driving a tension drill rod to sequentially penetrate through the hanging scaffold system and the tunneling machine by utilizing the raise boring machine, and the tunneling machine continues to be lowered into the lower horizontal roadway and is fixed through the drill rod tensioning device, the tunneling machine starts to conduct tunneling circulating operation downwards along the tension drill rod through the stepping mechanism, and the hanging scaffold system conducts well wall supporting circulating operation downwards along the tension drill rod through the stepping mechanism till the tunneling machine conducts tunneling to the lower horizontal roadway. The tension drill rod serves as a main fixing structure and can bear the weight of the heading machine, the rock breaking positive pressure and the weight of the hanging scaffold, and the heading effect is supported not to be affected and limited by the stratum; the tension drill rod provides guidance, and the tunneling machine is guided on a correct tunneling path in real time, so that the construction efficiency and the tunneling well completion quality are improved.

The invention discloses an underground receiving method of a vertical shaft heading machine, and belongs to the technical field of vertical shaft construction. Comprising the following steps that S1, a lower adit is excavated below a pre-construction position; s2, a slag slipping well is excavated in the corresponding pre-construction position of the lower adit through a directional drill and a raise boring, and a rock mass is reserved on the side wall of the slag slipping well; s3, after the slag sliding well is excavated, the original well is excavated through a manual drilling and blasting method, and then a vertical shaft heading machine conducts downward excavation and reaming on the upper portion of the original well; s4, in the downward digging process of the vertical shaft heading machine, slag is piled at the junction of the slag slipping well and the lower adit; and S5, the vertical shaft heading machine penetrates to the lower adit. The tunneling parameters of the vertical shaft tunneling machine are adjusted, and slag is piled to the slag slipping well in the lower adit, so that the tunneling machine is ensured to smoothly penetrate to the lower adit.

The invention provides a self-weight lower deslagging construction technology of a road tunnel vertical shaft heading machine, and relates to the technical field of tunnel vertical shaft construction. Stable conversion of the deslagging process is achieved through the dynamic regulation and control technology, a progressive pressure reduction strategy is adopted to adjust tunneling parameters in four stages to enter the position above a raise-boring working chamber (thrust is decreased from 14000kN to 8000kN, torque is decreased from 3000kNm to 2000kNm), step changing is conducted by reasonably utilizing the positions of a supporting shoe, a stabilizing shoe and a cutterhead relative to an auxiliary transverse channel, and the tunneling efficiency is improved. Therefore, the conversion preparation of the tunneling process is completed.

The present invention relates to a shaft double-jointed fully automatic hydraulic jumbo drill. The present invention effectively solves problems such as easy generation of dust and relatively high temperature near the drilling hole; the technical solution adopted includes a machine body, a folding mechanism is arranged on one side of the machine body, the folding mechanism includes a deployment rod and a vertical rod, a pressing mechanism is arranged at the bottom of the vertical rod, the pressing mechanism includes a pressing rod, a pressing frame and a pressing block, the pressing rod is slidably arranged at the bottom of the vertical rod, a pressing frame is slidably arranged on one side of the pressing rod, a pressing block is slidably arranged on the other side of the pressing rod, and a water belt is arranged at the bottom of the surface of the pressing frame. By moving the pressing frame up and down, the water belt can contact the bottom rock, so that the smoke is discharged upward, and the switching ring is squeezed, so that the switching channel on the switching ring is communicated with the corresponding channel, so as to discharge the liquid contacting the rock to the outside for annular spraying.

To provide a casing for inserting a freezing pipe, a casing with a built-in freezing pipe, and an installation method thereof, which can create frozen soil including the ground in an area in contact with an underground structure while installing a freezing pipe close to the underground structure without damaging the underground structure in the ground.SOLUTION: A casing 50 for inserting a freezing pipe comprises a first casing 10 having an open tip 11, a first bit 20 provided at the tip 11, a first hollow 15 provided inside, and a base end 13 adapted to be pushed in, and a check valve 30 provided on the tip 11 side of the first hollow 15. A freezing pipe 60 can be freely inserted into the first hollow 15 from the base end 13 side, and the check valve 30 can freely discharge drilling water supplied from the base end 13 side of the first hollow 15 forward in the drilling direction of the first casing 10.SELECTED DRAWING: Figure 1

The invention relates to the technical field of tunnel engineering, in particular to a contact channel construction device and method capable of achieving synchronous construction, and the construction device comprises a tunneling mechanism used for tunneling a contact channel; the main machine trolley is used for bearing and transporting the tunneling mechanism; the translation device is used for translating the tunneling mechanism; the counter-force supporting assembly is used for transmitting counter-force generated when the tunneling mechanism conducts tunneling to a main tunnel segment. The propelling device is used for propelling the tunneling mechanism and comprises a propelling driving piece, and the propelling driving piece is located between the lifting platform and the supporting frame; the supporting assembly is used for supporting the interior and the side face of the box culvert, and the lifting platform and the supporting frame are placed on the supporting assembly. The problem that the connection channel construction equipment is not suitable for connection channel construction of the main tunnel with the box culvert is solved, tunneling and material transportation of a main line tunneling machine cannot be affected, and synchronous mechanical operation of main tunnel tunneling and connection channel tunnel branch tunneling can be achieved.

The invention relates to a vertical shaft tunneling and supporting integrated trolley which comprises a barrel-shaped frame body which moves up and down along a vertical shaft. The crushing and slagging-off arm support system comprises a slagging-off crushing device, and the slagging-off crushing device is used for slagging-off and / or crushing and trimming operation; the crushing and slagging-off arm frame system slides along the axis direction of the cylindrical frame body; the rock drilling arm frame system comprises at least two sets of first rock drilling arm frames, the first rock drilling arm frames have a folded state in which the first rock drilling arm frames are attached to the inner wall of the cylindrical frame body and an unfolded state in which the first rock drilling arm frames face the vertical shaft tunnel face to conduct rock drilling operation, and when the rock drilling arm frame system is in the folded state, the rock drilling arm frame system is arranged in the cylindrical frame body. The vertical shaft tunneling and supporting integrated trolley provided by the invention can realize whole-process operation of vertical shaft expanding excavation drilling, slagging-off and supporting operation.

The invention relates to the technical field of coal mining equipment, in particular to a mining digging and loading all-in-one machine, an arranged dustproof ring assembly is mainly composed of an outer ring body and an inner ring body, the outer ring body is formed by splicing two arc-shaped wrapping outer rings, and the inner ring body is formed by splicing two arc-shaped wrapping inner rings; in this way, the outer ring body and the inner ring body are convenient to mount and dismount, so that the dustproof ring assembly is convenient to dismount and mount, and subsequent maintenance and replacement are facilitated; moreover, according to the scheme, the lubricating connecting fitting is matched with the dustproof ring assembly for use, so that a lubricating effect can be provided for the contact position of the inner ring body and the piston rod during dustproof work, the inner ring body is prevented from being abraded in the long-time contact process with the piston rod, the dustproof work effect is improved, and the service life of the piston rod is prolonged. And the side wall of the piston rod cannot be damaged, surface defects are avoided, and the sealing effect of the piston rod is ensured.

The invention discloses a grouting and water plugging method for a working face of a vertical shaft, and belongs to the technical field of water disaster treatment, prevention and control of an ultra-deep vertical shaft of a water-rich rock stratum. The method comprises the following steps: firstly, establishing a conceptual model of a storage water area-main water guide channel and pore and fracture surrounding rock coexistence area-pore and fracture surrounding rock area; according to the space relative position relation between the shaft and the main water guide channel, if the shaft intersects with the main water guide channel, pressure grouting is directly carried out, if the shaft is separated from the main water guide channel, according to the space relative position relation between the drill hole and the main water guide channel, intersection or separation working conditions are abstracted, and direct pressure grouting or hydraulic fracturing and grouting are respectively carried out. According to the method, on the basis of the main water guide channel theory and the flow conservation principle of a water storage area-main water guide channel and hole fracture surrounding rock coexistence area-hole fracture surrounding rock area, a working face grouting plugging operation area is expanded to the near-field range of the shaft from the limited range around the shaft, and an innovative solution is provided for deep well working face water disaster prevention and control.

The present invention provides a platform suspension system for the construction of a full-face tunnel boring machine in a deep vertical shaft, comprising a derrick, a main suspension unit, an auxiliary suspension unit, a platform unit, and a control unit. The main suspension unit comprises a suspension stabilizing vehicle, a wire rope, a suspension sheave cooperating with the wire rope, a hydraulic adjustment device, and a wire rope self-balancing device; the wire rope is connected to the platform unit via the suspension sheave and the hydraulic adjustment device; and the wire rope self-balancing device balances the wire rope tension. The auxiliary suspension unit comprises a flexible tankway stabilizing vehicle, a flexible tankway rope, a flexible tankway sheave cooperating with the tankway rope, and a hydraulic tensioning device; the flexible tankway rope is connected to the flexible tankway sheave and the hydraulic tensioning device and is connected to the platform unit. The platform unit comprises a suspension platform, a hydraulic support shoe, and a rolling guide device. The present invention also provides a construction method using the above-mentioned system. The present invention can overcome problems such as large wire rope tension differences, difficult platform posture control, and large wire rope swing in deep vertical shaft construction.

The invention discloses a construction method of a vertical shaft hole-expanding heading machine, which is used for performing hole-expanding drilling on a receiving section rock mass above a lower adit, adjusting heading parameters of the vertical shaft hole-expanding heading machine in stages, standing the vertical shaft hole-expanding heading machine after changing steps, and monitoring thrust fluctuation and deformation conditions of the receiving section rock mass. Dynamically correcting the tunneling parameters, and re-entering the tunneling circulation of the corresponding stage; the slag slipping well and the lower adit cooperatively discharge slag; and synchronously supporting the excavated rock mass. The vertical shaft receiving section construction method is safe, efficient and suitable for complex geology, and the technical problems that when a vertical shaft reaming heading machine conducts construction under the working condition that the bottom of the receiving section is suspended, equipment is unstable, construction efficiency is low, and potential safety hazards exist due to the fact that rock mass is broken and heading parameters are improperly controlled are solved.

The invention discloses a circular working well main body structure and a construction method thereof. The circular working well main body structure structurally comprises a cylindrical hollow side wall, a top plate is arranged at the upper end of the side wall, a bottom plate is arranged at the lower end of the side wall, #-shaped crossed internal partition walls are arranged in the internal space of the side wall, and four shield launching and receiving holes are reserved in a lining wall on the inner side of the side wall; the construction method comprises the following steps: constructing the cylindrical enclosure structure and the upper support; the foundation pit is excavated to the plane below the bottom of the top plate ring beam, and the top plate ring beam is reversely built; excavating in sections, and inversely building the lining wall in layers; the foundation pit is excavated to the bottom of the foundation pit, and the last section of lining wall, the bottom plate and the bottom plate hidden cross beam are constructed at a time; longitudinal partition walls and transverse partition walls are constructed in sequence; breaking an enclosure structure in the range of the side wall tunnel portal; constructing a cross partition wall post-cast ring beam; constructing a middle partition wall and a top plate at a top plate hoisting hole in a use stage; and backfilling and earthing to finish the construction. The construction period is shortened; thickness of the enclosure structure and the lining wall is optimized, and the supporting structure is permanently and temporarily combined and is green and economical.

The application discloses a shaft tunneling machine and a construction method thereof. The shaft tunneling machine comprises a tunneling host connected with a ring supporting shoe device through a stepping device, the ring supporting shoe device is connected with the tunneling host through a supporting shield body, the supporting shield body is connected with a fixed part of a ring rotary drive of the tunneling host through an extension device, a rotary part of the ring rotary drive is connected with an oscillatable cutting device, the cutting device is used for excavation, different diameters of excavation can be realized by controlling oscillation of the cutting device and extension stroke of the ring supporting shoe device, and the reconstruction of the tunneling host can be completed by replacing the supporting shield body when the diameter is changed. The stepping device is arranged between the ring supporting shoe device and the supporting shield body, and the extension device is arranged between the supporting shield body and the tunneling host, so that the extension stroke of the cutting device can be effectively enlarged, frequent descending of the whole shaft tunneling machine is avoided, the tunneling efficiency is improved, and the disturbance of frequent stepping to the soil body of a hole wall is effectively reduced.

The invention relates to a drill head for creating a substantially vertical bore in the ground, comprising a body which can be connected to a rotary drive of a drilling device, with drilling tools arranged on the body for loosening the soil at a working face of the bore, with a suction device for transporting away the loosened soil at the working face, which suction device can be connected to a pump, wherein the suction device has an opening region arranged on the body with at least one opening in the region of the drilling tools at the working face.It is advantageous that at least one nozzle for emitting a jet of a medium, preferably air or a liquid, is provided on the underside of the drill head, and that the jet causes the loosened soil to move into an area of ​​the working face which is crossed by the opening when the drill head rotates, that the jet strikes a guide plate, thereby changing the direction of movement of the loosened soil in the direction of the opening area, and that the guide plate is arranged as a straight or curved element on the underside of the drill head, and that the arrangement is diagonal or at least partially circumferential.

The application discloses a vertical shaft rapid excavation equipment, which comprises a base body, a deep pit groove is formed in the top of the base body, a base and a second ring beam are arranged in the deep pit groove, a fixing assembly for positioning the second ring beam is arranged on the top of the base, a positioning frame is fixedly connected to the circumferential inner wall of the second ring beam, a moving groove is formed in one side of the positioning frame, a sliding column is fixedly connected to the bottom inner wall of the moving groove, and a moving block is sleeved with the circumferential outer wall of the sliding column. In the application, the drill bit can be driven to rotate together with the horizontal plate during the circumferential movement of the horizontal plate, the drilling depth and position of the drill bit can be adjusted by starting the hydraulic rod during the drilling of the drill bit, the drilling area of the drill bit is enlarged, the drilling demand of people on the vertical shaft is met, the whole drilling process does not need manual work to go deep into the bottom of the vertical shaft, the safety of the whole equipment is further improved, and the drilling efficiency on the vertical shaft is improved.