CN210195751U - Sinking method rotation shaft heading machine - Google Patents

Abstract

A sinking method rotary shaft boring machine relates to the technical field of shaft boring machine engineering machinery, and comprises a boring mechanism, a power lifting mechanism arranged on the ground and used for lifting and placing the boring mechanism, a slag-slurry separation mechanism used for lifting, discharging and processing slurry generated after the boring mechanism breaks the ground in a shaft, and an operation control system used for controlling the operation of each mechanism, wherein the boring mechanism comprises a boring rack, a drill boom, a main driving device for driving the drill boom to rotate, a drilling tool and an auxiliary driving device for driving the drilling tool to rotate, and the lower part of the main driving device is connected with the middle part of the drill boom; at least two auxiliary driving devices are arranged on the drill boom, and the lower part of each auxiliary driving device is connected with a drilling tool; the utility model relates to a rationally, take up an area of the space little, realize the full section tunnelling through the rotation of drill boom and drilling tool, the drill boom is adjustable with the rotational speed of drilling tool, turn to all, is applicable to different geological conditions.

Description

Sinking method rotation shaft heading machine

Technical Field

The utility model belongs to the technical field of shaft entry driving machine engineering machinery technique and specifically relates to a method of sinking rotation shaft entry driving machine is related to.

Background

It is known that, with the development of national economy, the urban rail transit construction and the urban underground pipe gallery construction develop rapidly in recent years; in the underground engineering construction, such as a shield originating receiving shaft, a mining shaft, a tunnel ventilation shaft, an underground defense construction shaft, an underground parking lot, a mine tunnel, a traffic tunnel and the like, in order to ensure the smooth progress of the construction, shafts for transporting materials and ventilating need to be excavated. The upper end of the vertical shaft is communicated with the ground, and the lower end of the vertical shaft is communicated with a roadway or a tunnel. Shaft excavation is a construction process of vertically excavating a shaft (also called a vertical shaft) from the ground downwards. In the current vertical underground space construction, the traditional manual foundation pit supporting and excavating method is mostly adopted, namely, manual excavation is carried out at the bottom of a well, and a well wall is manufactured or a sinking well wall is manufactured for supporting while excavation is carried out.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the background art, the utility model discloses a high, the high method of sinking rotation shaft entry driving machine that sinks of degree of mechanization.

In order to realize the purpose, the utility model adopts the following technical scheme:

a sinking method rotary type shaft boring machine comprises a boring mechanism, a power lifting mechanism arranged on the ground and used for lifting and placing the boring mechanism, a slurry separating mechanism used for lifting, discharging and processing slurry generated after the boring mechanism breaks the ground in a shaft, and an operation control system used for controlling the operation of the mechanisms, wherein the boring mechanism comprises a boring rack and a drill boom, the main driving device comprises a first outer box body, a main driving motor and a first gear box, wherein the main driving motor and the first gear box are installed in the first outer box body; at least two auxiliary driving devices are installed on the drill boom, each auxiliary driving device comprises a second outer box body, an auxiliary driving motor and a second gear box, the auxiliary driving motor and the second gear box are installed in the outer box body, an output shaft of the auxiliary driving motor is connected with a driving gear of the second gear box, the lower portion of a driven gear, which is meshed with the driving gear, in the second gear box extends out of the outer box body, and the extending portion is connected with a drilling tool.

The sinking method rotary shaft tunneling machine is characterized in that the tunneling machine frame is a multi-arm frame and comprises an intermediate frame, edge beams, clamping blocks and guide wheels, a plurality of edge beams which are radially arranged are uniformly and detachably connected along the outer side surface of the intermediate frame, included angles between every two adjacent edge beams are the same, the clamping blocks are fixed at the tail ends of the edge beams, and the guide wheels are installed on the outer side surfaces of the clamping blocks.

The sinking method rotary shaft boring machine is characterized in that the drill boom comprises a mounting seat with a cavity in the middle, the upper end of the mounting seat is connected with an extending part of a driven gear of the first gear box, and at least two supporting arms are radially and uniformly distributed on the outer side surface of the mounting seat.

Each supporting arm of the sinking method rotary shaft heading machine is of a fixed integrated structure, a plurality of auxiliary driving devices are installed on each supporting arm at intervals along the length direction of the supporting arm, and each auxiliary driving device is connected with a drilling tool located below the supporting arm.

The sinking method rotary shaft boring machine is characterized in that each supporting arm of the drilling arm is of a telescopic structure, the outer end part of each supporting arm is provided with an auxiliary driving device, and the auxiliary driving device is connected with a drilling tool positioned below the supporting arm.

The sinking method rotary type shaft boring machine is characterized in that drilling tools all comprise a cutter head and cutters, the cutter head comprises a connecting ring and three spoke support arms, the upper end of the connecting ring is fixedly connected with an extending part of a driven gear of a second gearbox, the three spoke support arms are uniformly distributed on the outer circumferential surface of the connecting ring in a radial shape along the center of the connecting ring, and the outer edge of the bottom surface of each spoke support arm is provided with one cutter; or two or more cutters are arranged along the length direction of the spoke support arm, and one of the cutters is positioned at the outer edge of the bottom surface of the spoke support arm.

When the drill boom is of a fixed integrated structure, the sum of the diameters of the cutter heads is larger than or equal to the diameter of the cutting surface.

When the drill boom is of a telescopic structure, the diameter of each cutter head is smaller than or equal to the radius of a cutting section.

The sinking method rotary type vertical shaft tunneling machine has the advantages that the positions and the sizes of a plurality of cutter heads meet the requirement of full-coverage tunneling of a cutting section of a vertical shaft.

The sinking method rotation shaft boring machine, it still includes the spout formula antitorque square device, the spout formula antitorque square device includes the direction spout, the transversal U-shaped that personally submits of direction spout, the direction spout passes through the bolt fastening on the section of jurisdiction of the shaft wall of a well, the leading wheel of the fixture block lateral surface of tunnelling frame sliding assembly is in the direction spout, be equipped with the fender arm between the guide spout both sides arm lower extreme, the guide spout both sides arm upper end all is equipped with the guide arm that expands outward, be the splayed between the two guide arms, the upper portion edge of direction spout is equipped with position sensor, the upper portion rear end of direction spout is equipped with the cardboard, cardboard bottom surface outer end and direction spout up end form the step form, the cardboard passes through this step and the nut board joint.

The sinking method rotation shaft heading machine comprises a plurality of synchronous winch systems with the same structure, wherein the synchronous winch systems are respectively arranged corresponding to the side beams of the heading machine frame one by one, each synchronous winch system comprises a synchronous winch, a lifting frame and a steel wire rope, a movable pulley A is fixed on the upper portion of each side beam, two fixed pulleys A28 are arranged on the lifting frame on one side of the synchronous winches in the horizontal direction, one end of the steel wire rope A is wound on a roller of the synchronous winch, the other end of the steel wire rope A is connected with the movable pulley A after sequentially bypassing the two fixed pulleys A, and a motor for providing power for the roller is arranged on one side of the roller.

The sinking method rotary shaft boring machine is characterized in that a power lifting mechanism is a lifter, the lifter comprises a plurality of lifting frames, the lifting frames are respectively arranged corresponding to the side beams of the boring rack one by one, a lifting roller and a motor for providing power for the rotation of the lifting roller are arranged on a first lifting frame, a plurality of steel wire ropes B with the same number as the side beams of the boring rack are wound on the lifting roller along the central axis direction of the roller, and each steel wire rope B correspondingly bypasses each rope groove on the lifting roller; all install two fixed pulley C on every hoisting frame, the first wire rope B of winding on the lifting drum walks around two fixed pulley C and is connected with the movable pulley A that sets up at the boundary beam top of corresponding entry driving frame, every other wire rope B walks around a fixed pulley B respectively in proper order, a plurality of leading wheel B, another fixed pulley B, it is connected with the movable pulley A that sets up at the boundary beam top of corresponding entry driving frame to walk around the fixed pulley C that installs on corresponding hoisting frame again, a plurality of fixed pulley B, leading wheel B installs respectively on corresponding pulley bracket, fix subaerial through pulley bracket, and can free rotation.

The sinking method rotary shaft boring machine comprises a slurry pump, a slurry pipeline and a mud-water separation device, wherein the outlet end of the slurry pump is connected with the mud-water separation device on the ground through a slurry discharge pipe, the slurry pump is fixedly arranged on the upper part of the outer box body of a main driving device, the upper end of the slurry pipeline is connected with a slurry suction port of the slurry pump through a first rotary joint, the lower end of the slurry pipeline sequentially penetrates through the outer box body of the main driving device, a drill boom is provided with a mounting seat with a cavity and then is connected with one end of a three-way joint, the other two ends of the three-way joint are respectively connected with branch pipelines, a second rotary joint is arranged at the top of the outer box body of an auxiliary driving device, the lower end of the branch pipeline is connected with one end of a connecting pipe in the outer box body of the auxiliary driving device through the second rotary joint, the other end of the, the other three ends of the four-way joint are respectively connected with a shunt pipeline, and the lower end of the shunt pipeline is connected with a slag suction port at the lower part of the spoke support arm.

The sinking method rotary shaft boring machine also comprises a plurality of segment hoisting devices for lifting and placing segments and installing the segments on the inner wall of the shaft, wherein the segment hoisting devices are uniformly distributed on the ground at intervals along the circumferential direction of the shaft, each segment hoisting device comprises a core-penetrating hydraulic cylinder, a pay-off reel and a control system, steel strands are wound on the pay-off reel, one end of each steel strand is connected with a piston rod of the core-penetrating hydraulic cylinder, the other end of each steel strand penetrates through the core-penetrating hydraulic cylinder to be connected with a blade of the segment at the lowest part of the shaft wall of the shaft, and two ends of each steel strand, which are positioned in the core-penetrating hydraulic cylinder, are respectively connected; the laser range finder is installed to one side lower part of punch-through pneumatic cylinder mount pad, and the slope sensor is installed to section of jurisdiction upper portion inboard, and punch-through pneumatic cylinder, laser range finder, slope sensor all pass through the wire with control system and are connected.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

1. sinking method rotation shaft entry driving machine, its reasonable in design, equipment size is compact, it is little to take up an area of the space, production cycle is short, the entry driving frame is dismantlement formula package assembly, the transportation of being convenient for, degree of automation is high, the security is high, can satisfy multiple complicated stratum such as soil and soft rock.

2. Sinking method rotation shaft entry driving machine, it rotates to drive the drill boom through main drive arrangement, vice drive arrangement on the drill boom drives the drilling tool and rotates simultaneously, realize the full-face tunnelling through the rotation of drill boom and drilling tool, the drill boom is with the rotational speed of drilling tool, turn to all adjustable, be applicable to different geological conditions, the broken rock principle of drill boom and drilling tool simultaneous rotation makes drilling tool velocity of motion, cutting direction is variable, movement track and sword interval all can be adjusted, blade through the drilling tool forms broken net, the drilling tool constantly changes the direction of motion in the motion process, there is not definite cutting edge, consequently, difficult adhesion thing, in time attached to also can constantly scrape, drilling tool movement track nonconformity, repeated breakage rate is low, difficult production powdered rock sediment, cause high viscosity mud.

3. Sinking method rotation shaft entry driving machine, the blade disc area is half or even littleer for full section blade disc, can realize miniwatt, lightweight design, low in manufacturing cost does not need very big equipment of lifting by crane, it is little to occupy the site area, convenient transportation does benefit to the construction in the narrow space in city, the installation is dismantled conveniently, reduces and prepares and the time of transition, improves effective availability factor.

4. Sinking method rotation shaft entry driving machine, through installation chute formula anti-torque device, utilize the splayed flaring of falling on the upper portion of direction spout, the terminal fixture block of boundary beam of being convenient for passes through the leading wheel and slides control tunnelling mechanism fixed direction motion from top to bottom in the direction spout about, the leading wheel of setting has reduced the frictional resistance of tunnelling frame with the direction spout, the drilling process is through tunnelling the frame with the moment of torsion transmission to chute formula anti-torque device, for the entry driving machine frame provides a counter-force, the upper portion edge at the direction spout sets up position sensor and sets up the baffle in the lower part of direction spout simultaneously, be used for controlling the tunnelling stroke.

5. Sinking method rotation shaft entry driving machine, it is through setting up the mud pipeline on the drilling tool, the mud pump carries subaerial mud splitter through the mud pipeline with the produced mud sediment of tunnelling, the water of isolating can continue to pour into the well, cyclic utilization, water economy resource.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the heading machine frame of the present invention;

FIG. 3 is a schematic structural view of the sliding-groove type anti-torque device of the present invention;

FIG. 4 is a side view of FIG. 3;

figure 5 is a schematic structural view of the heading frame sliding in the chute type anti-torque device;

fig. 6 is a schematic structural diagram of the drilling tool of the present invention;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic view of one embodiment of the present invention in which the sum of the diameters of the cutterheads is equal to the diameter of the cutting section when the support arm is of a one-piece construction;

fig. 9 is a schematic view of a second embodiment of the present invention in which the sum of the diameters of the cutterheads is equal to the diameter of the cutting section when the supporting arm is of an integral structure;

fig. 10 is a schematic view of a third embodiment in which the sum of the diameters of the cutterheads is equal to the diameter of the cutting section when the supporting arm of the present invention is of an integrated structure;

fig. 11 is a schematic view of a third embodiment of the present invention in which the sum of the diameters of the cutter discs is larger than the diameter of the cutting section when the supporting arm is of an integral structure;

fig. 12 is a schematic structural view showing that the diameter of the cutter head is smaller than the radius of the cutting section when the support arm of the present invention is telescopic;

fig. 13 is a schematic structural view of the heading mechanism of the present invention;

fig. 14 is a schematic structural view of the segment lifting device of the present invention;

FIG. 15 is a schematic structural view of the slurry-residue separating mechanism of the present invention;

fig. 16 is a schematic structural view of one embodiment of the power lift mechanism of the present invention;

fig. 17 is a schematic structural view of a second embodiment of the power lifting mechanism of the present invention;

FIG. 18 is a sectional view A-A of FIG. 12;

fig. 19 is a schematic structural view of the main driving device of the present invention;

in the figure: 1. a powered lifting mechanism; 2. a tunneling machine frame; 3. a duct piece; 4. a main drive device; 5. a drill boom; 6. a secondary drive device; 7. a cutter head; 8. a slurry pump; 9. mud-water separation equipment; 10. a slurry pipeline; 11. a cutter; 12. a clamping block; 13. a boundary beam; 14. a middle frame; 15. a guide arm; 16. a guide chute; 17. a catch arm; 18. clamping a plate; 19. a spoke support arm; 20. a guide wheel A; 21. a tilt sensor; 22. a shaft wall; 23. a laser range finder; 24. a blade foot; 25. steel strand wires; 26. a feed-through hydraulic cylinder; 27. a slurry discharge pipe; 28. a fixed pulley A; 29. a steel wire rope A; 30. a synchronous winch; 31. a movable pulley A; 32. a guide wheel B; 33. a hoisting frame; 34. a fixed pulley B; 35. lifting the drum; 36. a steel wire rope B; 37. a fixed pulley C; 38. a guide wheel bracket; 39. a first outer case; 40. a driven gear; 41. an extension portion; 42. a driving gear; 43. a main drive motor.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

With reference to fig. 1-19, the device comprises a tunneling mechanism, a power lifting mechanism arranged on the ground and used for lifting and placing the tunneling mechanism, a slurry separation mechanism used for lifting, discharging and processing slurry generated after the tunneling mechanism breaks the ground in a vertical shaft, and an operation control system used for controlling the operation of each mechanism; the tunneling mechanism comprises a tunneling rack 2, a drill boom 5, a main driving device 4 for driving the drill boom 5 to rotate, a drilling tool and an auxiliary driving device 6 for driving the drilling tool to rotate, wherein the main driving device 4 comprises a first outer box body, a main driving motor 43 and a first gear box, the main driving motor 43 and the first gear box are installed in the first outer box body, the outer box body is installed in the middle of the tunneling rack 2 and fixedly connected with the tunneling rack, an output shaft of the main driving motor 43 is connected with a driving gear 42 of the first gear box, an extension part 41 at the lower part of a driven gear 40, which is meshed with the driving gear 42, in the first gear box extends out of the outer box body, and the; at least two auxiliary driving devices 6 are arranged on the drill boom, each auxiliary driving device 6 comprises a second outer box body, an auxiliary driving motor and a second gear box, the auxiliary driving motor and the second gear box are arranged in the outer box bodies, an output shaft of the auxiliary driving motor is connected with a driving gear of the second gear box, an extension part of the lower part of a driven gear, which is meshed with the driving gear, in the second gear box extends out of the outer box bodies, and the extension part is connected with a drilling tool.

The utility model discloses a main drive arrangement 4 is the same with vice drive arrangement 6's structure, and the theory of operation is as follows: a main driving motor 43 for starting the main driving device 4 drives a driving gear 42 to rotate, the driving gear 42 is meshed with a driven gear 40, the driven gear 40 drives an extension part 41 to rotate, meanwhile, a drill boom 5 connected with the extension part 41 realizes rotary motion, an output shaft of an auxiliary driving motor in a second outer box body of an auxiliary driving device 6 drives a driving gear of a second gear box to rotate, and the extension part at the lower part of the driven gear of the second gear box drives a drilling tool to rotate, so that full-section cutting is realized.

The sinking method rotary shaft boring machine is characterized in that a boring rack 2 is a multi-arm rack and comprises a middle rack 14, edge beams 13, fixture blocks 12 and guide wheels 20, the edge beams 13 are uniformly and detachably connected along the outer side surface of the middle rack 14 and are radially arranged, included angles between every two adjacent edge beams 13 are the same, the fixture blocks 12 are fixed at the tail ends of the edge beams 13, and the guide wheels 20 are installed on the outer side surfaces of the fixture blocks 12.

The sinking method rotary shaft boring machine comprises a drill boom 5, a first gear box driven gear, a second gear box driven gear, a third gear box driven gear, a fourth gear box driven gear, a fifth gear.

Each supporting arm of the sinking method rotary shaft boring machine is of a fixed integrated structure, a plurality of auxiliary driving devices 6 are installed on each supporting arm at intervals along the length direction of the supporting arm, and each auxiliary driving device is connected with a drilling tool located below the supporting arm.

In the sinking method rotary shaft boring machine, each supporting arm of the drill arm 5 is of a telescopic structure, the outer end part of each supporting arm is provided with an auxiliary driving device 6, and the auxiliary driving device is connected with a drilling tool positioned below the supporting arm.

The drilling tools of the sinking method rotary type shaft boring machine comprise a cutter head 7 and cutters 11, the cutter head 7 comprises a connecting ring and three spoke support arms 19, the upper end of the connecting ring is fixedly connected with the extending part of the driven gear of the second gear box, the three spoke support arms 19 are uniformly distributed on the outer circumferential surface of the connecting ring along the center of the connecting ring in a radial shape, and the cutter 11 is arranged at the outer edge of the bottom surface of each spoke support arm 19; or two or more cutters 11 are arranged along the length direction of the spoke support arm 19, and one of the cutters 11 is positioned at the outer edge of the bottom surface of the spoke support arm 19.

In the sinking method rotary shaft boring machine, the diameter of a cutter head 7 of a drilling tool is smaller than or equal to the radius of a cutting section.

The sinking method rotary shaft boring machine is characterized in that a plurality of auxiliary driving devices arranged on a plurality of supporting arms of a drilling arm are respectively connected with drilling tools positioned below the supporting arms, and the sum of the diameters of a plurality of cutterheads is larger than or equal to the diameter of a cutting surface.

The sinking method rotation shaft boring machine, it still includes the spout formula antitorque square device, the spout formula antitorque square device includes direction spout 16, the cross section of direction spout 16 is the U-shaped, direction spout 16 passes through the bolt fastening on the section of jurisdiction 3 of the shaft wall of a well, the leading wheel 20 of the fixture block lateral surface of entry driving frame 2 is slided and is assembled in direction spout 16, be equipped with fender arm 17 between the arm lower extreme of direction spout 16 both sides, the guide arm 15 that expands outward is all equipped with on the arm upper end of direction spout 16 both sides, be the splayed between two guide arms 15, the upper portion edge of direction spout 16 is equipped with position sensor, the upper portion rear end of direction spout 16 is equipped with cardboard 18, cardboard 18 bottom surface outer end and the direction spout 16 upper end profile form the step form, cardboard 18 passes through this step and the nut board joint on the.

The fixture block at the end part of the tunneling rack 2 is arranged in the guide chute 16 in a sliding manner, so that the left and right limiting effects are achieved, the reaction torque is provided for the tunneling machine during drilling, the reaction torque is transmitted to the wall of a vertical shaft well through the guide chute 16, the upper end and the lower end of the guide chute 16 are respectively provided with the position sensor and the baffle arm 17, the tunneling stroke of the open caisson tunneling machine is controlled through double protection, the normal operation of equipment is safely and reliably ensured, and a powerful basis is provided for an operation room to enter the next step.

The sinking method rotary shaft heading machine is characterized in that the power lifting mechanism comprises a plurality of synchronous winch systems with the same structure, the synchronous winch systems are respectively arranged corresponding to the side beams 13 of the heading rack 2 one by one, each synchronous winch system comprises a synchronous winch 30, a lifting frame and a steel wire rope 29, a movable pulley A31 is fixed on the upper portion of each side beam 13, two fixed pulleys A28 are arranged on the lifting frame on one side of the synchronous winches 30 in the horizontal direction, one end of the steel wire rope A29 is wound on a roller of the synchronous winch 30, the other end of the steel wire rope A29 is connected with the movable pulley A31 after sequentially bypassing the two fixed pulleys A28, and a motor for providing power for the roller is arranged on one side of the roller.

As shown in fig. 11, when the power lifting mechanism works, one end of each steel wire rope a29 is wound on the drum of each synchronous winch 30, and the other end of each steel wire rope a29 is wound around two fixed pulleys a28 horizontally arranged on the lifting frame, so that the direction of each steel wire rope a29 is changed from horizontal to vertical, the steel wire ropes are connected with the movable pulley a31 on the upper part of the side beam 13 of the corresponding heading frame 2, and the plurality of synchronous winches 30 are started to simultaneously tighten or lower the steel wire ropes a29, thereby realizing the stable lifting of the heading mechanism.

The sinking method rotary shaft heading machine is of a second structure, a power lifting mechanism is a lifting machine, the lifting machine comprises a plurality of lifting frames, the lifting frames 33 are respectively arranged corresponding to the side beams 13 of the heading frame one by one, a lifting roller 35 and a motor for providing power for the rotation of the lifting roller 35 are installed on the first lifting frame, a plurality of steel wire ropes B36 with the same number as the side beams 13 of the heading frame 2 are wound on the lifting roller 35 along the central axis direction of the roller, and each steel wire rope B36 correspondingly bypasses each rope groove on the lifting roller 35; each lifting frame 33 is provided with two fixed pulleys C37, a first steel wire rope B36 wound on the lifting roller 35 bypasses two fixed pulleys C37 to be connected with a movable pulley A31 arranged at the top of the side beam 13 of the corresponding tunneling frame 2, the rest steel wire ropes B36 bypass one fixed pulley B34, a plurality of guide wheels B32 and the other fixed pulley B34 respectively, the fixed pulleys C37 mounted on the corresponding lifting frames are connected with a movable pulley A31 arranged at the top of the side beam 13 of the corresponding tunneling frame 2, and a plurality of fixed pulleys B34 and guide wheels B32 are mounted on the corresponding pulley supports 38 respectively and fixed on the ground through the pulley supports 38 and can rotate freely.

As can be seen from fig. 12 and 13, when the power lifting mechanism is in operation, the first steel wire rope wound on the lifting roller 35 passes around the two fixed pulleys C37 on the first lifting frame at a to reach the movable pulley a 31; the second steel wire rope passes through a fixed pulley B34 from the lifting roller 35, the direction of the steel wire rope is changed from vertical to horizontal, then the second steel wire rope passes through a plurality of guide wheels B32 and reaches another fixed pulley B34, the direction of the second steel wire rope is changed from horizontal to vertical through the fixed pulley B34, and then the second steel wire rope reaches a movable pulley A31 through 2 fixed pulleys C37 arranged on a second lifting frame at the position B; the third steel wire rope and the second steel wire rope are in the same principle and reach a movable pulley A31 through 2 fixed pulleys C37 arranged on a third hoisting frame at the position C; when the tunnelling mechanism needs to be lifted or lowered, the movable pulley A31 is lifted through the rotation of the lifting roller 35, so that the driving mechanism is lifted, the lifting is realized through the same lifting roller at the A, B, C three points, the synchronism is good, the steel wire rope is lowered, the deviation does not occur, the tunnelling mechanism does not have uneven height, and the cost is greatly reduced because only one lifting machine is needed.

The sinking method rotation shaft boring machine, its sediment thick liquid separating mechanism includes sediment thick liquid pump 8, mud pipeline 10 and mud-water separation equipment 9, the exit end of sediment thick liquid pump 8 is connected with subaerial mud-water separation equipment 9 through arranging thick liquid pipe 27, sediment thick liquid pump 8 fixed mounting is on the upper portion of the outer box of main drive device 4, the upper end of mud pipeline 10 is connected with the thick liquid mouth of inhaling of sediment thick liquid pump 8 through first rotary joint, the lower extreme of mud pipeline 10 passes the outer box of main drive device 4 in proper order, drill boom 5 has the one end of connecting tee bend behind the mount pad of cavity, the other both ends of tee bend connect with the branch pipeline respectively, the second rotary joint is installed at the outer box top of auxiliary drive device 6, the lower extreme of branch pipeline passes the outer box of auxiliary drive device 6 and is connected through the connecting pipe one end in the outer box of second rotary joint and auxiliary drive device 6, the connecting pipe other end passes, The rear part of a connecting ring of the drilling tool is connected with one end of a four-way joint, the other three ends of the four-way joint are respectively connected with a shunt pipeline, and the lower end of the shunt pipeline is connected with a slag suction port at the lower part of the spoke support arm.

With reference to fig. 10, when the slurry separation mechanism works, a drilling tool is driven by an auxiliary driving device 6 to rotationally tunnel, a slurry suction port is rotated along with the drilling tool, slurry, rock debris and water injected into a well are formed into slurry under the stirring of the drilling tool, under the action of a slurry pump 8, a plurality of slurry suction ports on the lower portion of the drilling tool simultaneously start to suck the slurry to cover all the amount of the slurry in the radius of the well, and the slurry enters a slurry pipeline 10 from the plurality of slurry suction ports on the lower portion of the drilling tool sequentially through a diversion pipeline, a connecting pipe, a second rotary joint, a branch pipeline and a tee joint and then enters a mud-water separation device 9 on the ground through the first rotary joint, a slurry pump 8 and a slurry discharge pipe 27 to be treated; after the drill reaches a certain depth, the gas lift mode is utilized to wash the well and discharge slag, namely, the operation of the slurry pump 8 is stopped or the slurry pump is directly dismantled, compressed air is injected into the slurry discharge pipe 27 to reduce the density of slurry in the slurry pipeline 10, so that pressure difference is formed between the inside and the outside of the slurry pipeline 10, the slurry is lifted out of the hole, the slurry and the water are returned to the well for recycling after separation and precipitation, and the effect of balancing the water pressure around the vertical shaft can be timely played in the continuous stirring process of the slurry.

The sinking method rotary shaft boring machine also comprises a plurality of segment hoisting devices for lifting and placing segments and installing the segments on the inner wall of the shaft, wherein the segment hoisting devices are uniformly distributed on the ground at intervals along the circumferential direction of the shaft, each segment hoisting device comprises a core-penetrating hydraulic cylinder 26, a pay-off reel 25 and a control system, steel strands are wound on the pay-off reel 25, one end of each steel strand is connected with a piston rod of the core-penetrating hydraulic cylinder 26, the other end of each steel strand penetrates through the core-penetrating hydraulic cylinder 26 to be connected with a blade 24 of a segment 3 at the lowest part of the shaft wall 22, and two ends of each steel strand, which are positioned in the core-penetrating hydraulic cylinder 26, are respectively connected and locked through; laser range finder 23 is installed to one side lower part of punch-through pneumatic cylinder 26 mount pad, and slope sensor 21 is installed to section of jurisdiction 3 upper portion inboard, and punch-through pneumatic cylinder 26, laser range finder 23, slope sensor 21 all pass through the wire with control system and are connected.

The segment hoisting device can effectively prevent the segment on the inner wall of the shaft from sinking too fast, suddenly sinking, inclining, over-sinking and other sudden problems, and well meets the requirements of site construction. In every section of jurisdiction lifting device, the measured data that laser range finder gathered, the detection data that the tilt sensor gathered send to control system in, control system carries through each section of jurisdiction of analysis processing contrast and puts distance and inclination, and the work of control punch-through pneumatic cylinder locks/loosens steel strand wires as required and accomplishes the section of jurisdiction and carry and put, adjusts the posture of transferring of shaft section of jurisdiction, and the safety of open caisson work is guaranteed in the sinking of control shaft section of jurisdiction. After the vertical well pipe piece is lifted and placed in place each time, the data of the laser range finder is re-proofed and reset, and the inclination sensor is re-installed on the vertical well pipe piece on the uppermost part so as to continuously measure the inclination angle. The steel strand enters the excavated vertical shaft along with the vertical shaft duct piece, and the steel strand still remains in the shaft after the vertical shaft is finished and is not recycled.

The lifting and placing steps of each segment lifting device for realizing one circulation of the vertical shaft segments are as follows:

step 1, before the segment 3 is lifted and placed, the upper anchor plate and the lower anchor plate of the locking steel strand are both in a locking state, the core penetrating hydraulic cylinder 26 is in a retraction state, the lifting and placing are started, the lower anchor plate does not act and is in a locking state, and the upper anchor plate is loosened; step 2, extending a piston rod of the core-through hydraulic cylinder 26, and moving the upper anchor plate upwards by a lifting stroke along with the piston rod; step 3, locking the steel strand by the upper anchor plate; step 4, loosening the steel strand by the lower anchor plate; step 5, loosening the steel strand by the lower anchor plate, and withdrawing a piston rod of the core penetrating hydraulic cylinder 26 to complete the lifting and releasing work of the circulating duct piece; a new cycle is started when the segment is required to be lifted continuously.

When the sinking method rotary shaft boring machine of the utility model is in operation, firstly, a plurality of pipe piece hoisting devices are utilized to respectively lower the pipe pieces 3 to the bottommost layer of the inner wall of the shaft to form a plurality of annular pipe piece groups, the annular pipe piece groups are sequentially lowered on the annular pipe piece group at the bottommost layer through the hoisting devices, maintenance for the inner wall of each shaft is formed after lowering is completed, a plurality of evenly distributed chute type anti-torque devices are arranged on the inner wall of the shaft, then, a power lifting mechanism is utilized to place a boring mechanism into the shaft, the boring mechanism slides downwards to the bottom of the shaft in the chute type anti-torque devices through a guide wheel 20 on a boring rack 2, a main driving device 4 and an auxiliary driving device 6 are started, the main driving device 4 drives a drill boom 5 to rotate, the auxiliary driving device 6 arranged on the drill boom 5 respectively drives a drilling tool arranged at the bottom of the drill boom 5 to rotate along, the rock debris and water are mixed into slurry, the plurality of slag suction ports start to suck slag under the action of the slurry pump 8, all slag in the radius of the vertical shaft is covered, the broken rock-soil slurry can be timely conveyed out of the vertical shaft through the slurry pump 8 during tunneling of the drilling machine, the purpose of drilling, well washing and slag discharging is achieved, the rock-soil slurry enters the ground mud-water separation equipment through the slurry discharge pipe 27, and separated water can be continuously injected into the vertical shaft.

The part of the utility model not detailed is prior art.

The embodiments selected for the purpose of disclosing the invention are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments, which fall within the scope of the concept and the utility model.

Claims (13)

1. A sinking method rotary shaft boring machine is characterized in that: the tunneling mechanism comprises a tunneling mechanism, a power lifting mechanism, a slag-slurry separation mechanism and an operation control system, wherein the power lifting mechanism is arranged on the ground and used for lifting and placing the tunneling mechanism, the slag-slurry separation mechanism is used for lifting and discharging and processing slurry generated after the tunneling mechanism breaks the ground in a vertical shaft, and the operation control system is used for controlling the operation of each mechanism; at least two auxiliary driving devices are arranged on the drill boom, each auxiliary driving device comprises a second outer box body, an auxiliary driving motor and a second gear box, the auxiliary driving motor and the second gear box are arranged in the outer box body, an output shaft of the auxiliary driving motor is connected with a driving gear of the second gear box, the lower portion of a driven gear, which is meshed with the driving gear, in the second gear box extends out of the outer box body, and the extension portion is connected with a drilling tool.

2. The sinking method rotary shaft boring machine according to claim 1, wherein: the tunneling rack is a multi-arm rack and comprises a middle rack, edge beams, clamping blocks and guide wheels, wherein the edge beams are uniformly arranged along the outer side surface of the middle rack at intervals and are detachably connected with a plurality of edge beams in radial arrangement, included angles between every two adjacent edge beams are the same, the clamping blocks are fixed at the tail ends of the edge beams, and the guide wheels are arranged on the outer side surfaces of the clamping blocks.

3. The sinking method rotary shaft boring machine according to claim 1, wherein: the drill boom comprises a mounting seat with a cavity in the middle, the upper end of the mounting seat is connected with the extending part of the driven gear of the first gear box, and at least two supporting arms are radially and uniformly distributed on the outer side surface of the mounting seat.

4. The sinking method rotary shaft boring machine according to claim 3, wherein: every support arm of drill boom is fixed integral type structure, all installs the vice drive arrangement of a plurality of along its length direction interval on every support arm, and every vice drive arrangement is connected with the drilling tool that is located the support arm below.

5. The sinking method rotary shaft boring machine according to claim 3, wherein: each supporting arm of the drill boom is of a telescopic structure, the outer end part of each supporting arm is provided with a pair of driving devices, and the pair of driving devices are connected with a drilling tool positioned below the supporting arms.

6. The sinking method rotary shaft boring machine according to claim 1, wherein: the drilling tools comprise cutter heads and cutters, each cutter head comprises a connecting ring and three spoke support arms, the upper ends of the connecting rings are fixedly connected with the extending parts of the driven gears of the second gearbox, the three spoke support arms are uniformly distributed on the outer circumferential surface of the connecting ring in a radial mode along the center of the connecting ring, and one cutter is mounted at the outer edge of the bottom surface of each spoke support arm; or two or more cutters are arranged along the length direction of the spoke support arm, and one of the cutters is positioned at the outer edge of the bottom surface of the spoke support arm.

7. A sinking rotary shaft boring machine according to claim 3, 4 or 6, wherein: when the drill boom is of a fixed integrated structure, the sum of the diameters of the cutterheads is larger than or equal to the diameter of the cutting surface.

8. A sinking rotary shaft boring machine according to claim 3, 5 or 6, wherein: when the drill boom is of a telescopic structure, the diameter of each cutter head is smaller than or equal to the radius of a cutting section.

9. The sinking method rotary shaft boring machine according to claim 1, wherein: the anti-torque device comprises a guide chute, the cross section of the guide chute is U-shaped, the guide chute is fixed on a duct piece of a shaft well wall through bolts, a guide wheel on the outer side surface of a fixture block of the tunneling rack is slidably assembled in the guide chute, a baffle arm is arranged between the lower ends of two side arms of the guide chute, the upper ends of the two side arms of the guide chute are respectively provided with a guide arm expanding outwards, an inverted splayed shape is formed between the two guide arms, the upper edge of the guide chute is provided with a position sensor, the upper rear end of the guide chute is provided with a clamping plate, the outer end of the bottom surface of the clamping plate and the upper end surface of the guide chute form a step shape, and the clamping plate is clamped.

10. The sinking method rotary shaft boring machine according to claim 1, wherein: the power hoisting mechanism comprises a plurality of synchronous winch systems with the same structure, the synchronous winch systems are respectively arranged in a one-to-one correspondence mode to the side beams of the tunneling machine frame, each synchronous winch system comprises a synchronous winch, a hoisting frame and a steel wire rope, a movable pulley A is fixed on the upper portion of each side beam, two fixed pulleys A are arranged in the horizontal direction on the hoisting frame on one side of the synchronous winches, one end of each steel wire rope A is wound on a roller of the synchronous winch, the other end of each steel wire rope A is connected with the movable pulley A after bypassing the two fixed pulleys A in sequence, and a motor for providing power for the roller is arranged on one side.

11. The sinking method rotary shaft boring machine according to claim 1, wherein: the power lifting mechanism is a lifter which comprises a plurality of lifting frames, the lifting frames are respectively arranged corresponding to the side beams of the tunneling rack one by one, a lifting roller and a motor for providing power for the rotation of the lifting roller are arranged on the first lifting frame, a plurality of steel wire ropes B with the same number as the side beams of the tunneling rack are wound on the lifting roller along the central axis direction of the roller, and each steel wire rope B correspondingly bypasses each rope groove on the lifting roller; all install two fixed pulley C on every hoisting frame, the first wire rope B of winding on the lifting drum walks around two fixed pulley C and is connected with the movable pulley A that sets up at the boundary beam top of corresponding entry driving frame, every other wire rope B walks around a fixed pulley B respectively in proper order, a plurality of leading wheel B, another fixed pulley B, it is connected with the movable pulley A that sets up at the boundary beam top of corresponding entry driving frame to walk around the fixed pulley C that installs on corresponding hoisting frame again, a plurality of fixed pulley B, leading wheel B installs respectively on corresponding pulley bracket, fix subaerial through pulley bracket, and can free rotation.

12. The sinking method rotary shaft boring machine according to claim 1, wherein: the slurry separating mechanism comprises a slurry pump, a slurry pipeline and a slurry-water separating device, wherein the outlet end of the slurry pump is connected with the above-ground slurry-water separating device through a slurry discharging pipe, the slurry pump is fixedly arranged at the upper part of an outer box body of a main driving device, the upper end of the slurry pipeline is connected with a slurry sucking port of the slurry pump through a first rotary joint, the lower end of the slurry pipeline sequentially penetrates through the outer box body of the main driving device and an installation seat with a cavity of a drilling arm and then is connected with one end of a three-way joint, the other two ends of the three-way joint are respectively connected with branch pipelines, the top of the outer box body of an auxiliary driving device is provided with a second rotary joint, the lower end of each branch pipeline is connected with one end of a connecting pipe in the outer box body of the auxiliary driving device through the outer box body of the auxiliary driving device, the other end of the connecting, the lower end of the shunt pipeline is connected with a slag suction port at the lower part of the spoke support arm.

13. The sinking method rotary shaft boring machine according to claim 1, wherein: the device comprises a vertical shaft, a plurality of pipe piece hoisting devices and a control system, wherein the pipe piece hoisting devices are used for lifting and placing pipe pieces and installing the pipe pieces on the inner wall of the vertical shaft; the laser range finder is installed to one side lower part of punch-through pneumatic cylinder mount pad, and the slope sensor is installed to section of jurisdiction upper portion inboard, and punch-through pneumatic cylinder, laser range finder, slope sensor all pass through the wire with control system and are connected.

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