CN109268024B - Magnetic force conversion type intelligent tool changing, drilling and cutting device for soft and hard stratum - Google Patents

Abstract

The invention belongs to the technical field of underground engineering rock and soil mass drilling, cutting and underground engineering disaster prevention and reduction, and provides a magnetic force conversion type intelligent tool changing drilling and cutting device for soft and hard strata. The device can realize the rapid drilling and cutting construction of soft and hard stratums by using the variable drilling and cutting system, realize the cutting of ultra-hard soil by arranging the central drill bit at the center of the device, realize the drilling and cutting of soft soil, hard soil and homogeneous stratums by arranging a plurality of shell-shaped drill bits and thread type drill bits at intervals at the periphery, realize the rapid discharge of rock debris of any stratum by using the water pumping and flushing system, improve the stratum adaptability of drilling and avoid the problem of large deviation of drilling construction hole sites of the soft and hard stratums.

Description

Magnetic force conversion type intelligent tool changing, drilling and cutting device for soft and hard stratum

Technical Field

The invention belongs to the technical field of underground engineering rock and soil mass drilling and cutting and underground engineering disaster prevention and reduction, and particularly relates to a magnetic force conversion type intelligent tool changing drilling and cutting device for soft and hard strata.

Background

The soft and hard stratum is a heterogeneous stratum, has the characteristic of complex and changeable geology, and is an engineering problem in the process of underground engineering construction, such as penetration of a shield tunnel through the soft and hard stratum, penetration of pile foundation construction through the soft and hard stratum, penetration of deep foundation pit rainfall through the soft and hard stratum, penetration of a ground layered settlement mark in a subway operation area through the soft and hard stratum, penetration of a deep rock-soil body energy-gathering cutting seam through the soft and hard stratum, and the like. In the process of underground engineering construction, when soft and hard stratums meet, enough attention must be paid, otherwise, quality accidents such as pile position deviation, pile body concrete segregation and looseness, cracks, mud clamping, surface subsidence, underground pipeline damage, surface building inclination or collapse and the like can be caused, because the stratum crossing construction is different from the single soft stratum and hard stratum construction, because the rigidity difference of the soft stratum and the hard stratum is large, the drilling and cutting speed and the reaction force of the different soft and hard stratums to a drilling and cutting tool are unequal, the drillability of the soft and hard stratums is different from the single soft stratum and the hard stratum, and the drilling and cutting force of a drilling and cutting construction surface is more difficult to control than that of the single soft stratum and the hard stratum.

The existing drilling device for soft and hard stratum construction mainly comprises a shield cutter head with an oversized diameter, a shield scraper, a shield cutter tool, a PDC drill bit, a geophysical prospecting punching scraping drill bit and the like, the existing cutting device for soft and hard stratum construction mainly adopts rock-socketed pile air pressure control type cutting, but shield drilling devices such as the shield cutter head, the shield scraper, the shield cutter tool and the like with the oversized diameter are large in size and expensive in manufacturing cost, the hole forming diameter of the engineering investigation type drilling devices such as the PDC drill bit, the geophysical prospecting punching scraping drill bit and the like is small, the distribution angle of a blade and the distribution of cutting teeth are unreasonable, the drilling and cutting force of a cutting surface cannot change along with stratum change when the rock-socketed pile air pressure control type cutting soft and hard stratum, and the functionality. Therefore, the existing hole forming device for soft and hard stratum construction mainly adopts a single drilling device and a single cutting device, and lacks a composite drilling and cutting device which integrates the drilling and cutting functions.

Chinese patent CN106907158A is a super large diameter shield cutter head system for soft and hard uneven strata, including large-scale cutter head, medium-scale cutter head, small-scale cutter head, spoke, panel, hobbing cutter, preceding cutter, center cutter, stirring rod, speed reducer, hydraulic motor, power transmission device, shield and spiral unearthing device, but this cutter head system layout mode is the crisscross distribution of multilayer cutter head space, and the cost is expensive, when the cutter head meets soft and hard strata and carries out the drilling construction, because be limited to shield front end cutter head be overall structure, only can order about the shield to bore into soft and hard district through controlling all kinds of cutter heads, the drilling cutting force of each stratum corresponding to the cutting plane when being difficult to effectively control soft and hard different strata construction, also can not cut the hard stratum in the soft and hard strata simultaneously.

Chinese patent CN206495679U is a shield scraper used in a stratum with uneven hardness, which comprises a cutter body, a cutting edge is provided on one side of the upper surface of the cutter body, a mounting hole is provided on the inclined plane of the upper portion of the cutter body, a hard alloy is provided on the back of the cutter body, and a wear-resistant alloy layer is provided on the cutting edge of the cutter body.

Chinese patent CN204552753U a shield machine cutter suitable for uneven soft or hard stratum, including installing a plurality of cutter combinations on the blade disc, the cutter combination includes hobbing cutter and cutting sword, the sensor is installed to the axial region of hobbing cutter, hobbing cutter rear portion fixed mounting is on the blade disc, the base that has hydraulic telescoping device is installed on the blade disc at cutting sword rear portion, the base can be along shield machine axial forward and backward movement, but this shield machine cutter is owing to be limited to shield front end blade disc and be overall structure, only can bore into the rock-soil body through control hobbing cutter and cutting sword, can not accurately adjust soft stratum, hard stratum, the drilling force of shield machine blade disc drilling face when each kind of different stratum construction such as the mutual stratum of soft or hard, and with high costs, also can not cut the hard stratum in the soft or hard stratum.

Chinese patent CN203891774U is a five-blade PDC drill bit suitable for soft and hard staggered strata, which comprises a drill bit body and five blades protruding from the crown of the drill bit body, wherein a plurality of grooves for discharging impurities are formed between the blades, the drill bit drills by adjusting the distribution angles of the blades and the distribution of the main cutting teeth on the blades, when soft and hard strata are encountered, the main cutting teeth on the blades cannot adjust the drilling force of the main cutting teeth along with the change of the strata, the uniformity of the stress of the main structure in the soft and hard strata cannot be ensured, and the drill bit cannot be used for drilling and cutting the soft and hard strata in rock and soil bodies.

Chinese patent CN106223855A is an air pressure control type rock cutting device for rock-socketed pile formations with uneven hardness, which comprises a rock cutting protective cylinder, a conical cutting tool system, a tooth-shaped cutting tool system, a vibration sensing system, an air pressure bag system, a high pressure water pipe, a multi-path connector, a vibration isolation spring, a drill rod, an air pressure controller, a vibration controller, a high pressure water pump, a cable, a strong adhesive, an air pressure flow controller, an air pressure stabilizing bolt, a rubber shock pad, a vibration isolation fastening bolt and a retention pin. The device mainly aims at the stress condition when soft and hard rock is cut, keeps constant pressure to the soft rock drilled in the air, and applies air pressure to the hard rock which is not completely cut in, but the device can not solve the problem of real-time adjustment of cutting force of cutting surfaces of different strata such as soft strata, hard strata and soft and hard interaction strata, and can not solve the problem of quick discharge of cutting scraps when the soft and hard strata are cut, particularly can not cut the hard strata, and can not keep the stress uniformity of the cutting device.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the magnetic force conversion type intelligent tool changing drilling and cutting device for the soft and hard stratum, which has the characteristics of quick tool changing, integrated drilling and cutting, uniform drilling and cutting force, low cost, high hole forming precision and high drilling and cutting speed when meeting different stratums.

The technical scheme of the invention is as follows:

a magnetic force conversion type intelligent tool changing drilling and cutting device for soft and hard strata comprises a centrifugal mud discharging system, a variable drilling and cutting system, a pump water flushing system, a magnetic force conversion system and a framework system.

The centrifugal sludge discharge system comprises a centrifugal sludge discharge machine and a sludge discharge pipe. The variable drilling and cutting system comprises a drill bit and a drill bit fixing plate for mounting the drill bit; two groups of drill bit fixing plates are arranged for replacing drill bits; the drill comprises an edge drill and a center drill, and the edge drill can be a shell type drill or a thread type drill. The pump water scouring system comprises a side high-pressure water pipe, a central high-pressure water pipe and a high-pressure water pump. The magnetic force conversion system comprises a magnetic block, a telescopic rod, a telescopic controller and a fixing plate. The skeleton system comprises a hollow skeleton, a lifting sliding rod group, a wear-resistant shell and a wear-resistant chassis.

According to the invention, the shell-type drill bit is made of high-strength alloy, and has the advantages of fast ground breaking, corrosion resistance and abrasion resistance; the thread type drill bit is made of high-strength alloy, and has the advantages of strong stone breaking capacity, corrosion resistance and abrasion resistance; the drill bit fixing plate is made of alloy, and has high strength, good fixing capacity and good magnet adsorption.

The wear-resistant chassis is arranged at the bottom of the inner side of the wear-resistant shell, the hollow framework and the lifting slide bar group are arranged inside the wear-resistant shell, and the lifting slide bar group is sleeved at the bottom of the outer side of the hollow framework and is horizontally and rotatably connected with the hollow framework.

Furthermore, two sets of drill bit fixing plates are connected to the outer side of the lifting slide bar group in an up-and-down sliding mode, and the side drill bit is installed at the bottom of each drill bit fixing plate. The center drill bit is arranged at the bottom center of the wear-resistant chassis. The fixed plate is horizontally and fixedly connected between the hollow framework and the wear-resistant shell. The upper end of the telescopic rod is connected with a telescopic controller, and the lower end of the telescopic rod is connected with a magnetic block; the telescopic controller is arranged at the upper end of the fixing plate, and the magnetic block can be magnetically connected with the drill bit fixing plates. The telescopic controller comprises a calculator processor and a receiver, and has the advantages of sensitive control, shock resistance and interference resistance; the telescopic rod is made of high-strength alloy, lubricating oil is smeared on the telescopic part, and the telescopic rod is flexible in telescopic and high in strength; the fixing plate is made of high-strength alloy and plays a role in supporting the framework; the magnetic block comprises an electric wire, a magnetic substance and an alloy, the magnetic force is strong after the electric wire is electrified, and the magnetic force is not generated after the electric wire is powered off.

Further, a central high-pressure water pipe is arranged in the hollow framework, a high-pressure water pump is connected to the top of the central high-pressure water pipe, the bottom of the central high-pressure water pipe is communicated with the side high-pressure water pipe, and the side high-pressure water pipe is arranged in the wear-resistant chassis; the central high-pressure water pipe and the side high-pressure water pipes are made of high-pressure-resistant materials to form the inner containers, and the high-strength alloy is made into the outer shell, so that the high-pressure-resistant and safe water-saving water tank has the advantages of high pressure resistance and safety.

Furthermore, a sludge discharge pipe is welded on the outer side of the hollow framework, and the bottom of the sludge discharge pipe penetrates through the wear-resistant chassis and is positioned on the periphery of the central high-pressure water pipe; the sludge discharge pipe is made of alloy, and has the advantages of corrosion resistance and wear resistance. The top of mud pipe is connected with the centrifugal mud extractor that sets up in the outside, and centrifugal mud extractor has the advantage of high-efficient mud of arranging including drawing mud pipe, play mud pipe, centrifugal fan, casing, motor, power transmission line.

The device can realize the rapid drilling and cutting construction of soft and hard stratums by using the variable drilling and cutting system, realize the cutting of ultra-hard soil by arranging the central drill bit at the center of the device, realize the drilling and cutting of soft soil, hard soil and homogeneous stratums by arranging a plurality of shell-shaped drill bits and thread type drill bits at intervals at the periphery, realize the rapid discharge of rock debris of any stratum by using the water pumping and flushing system, improve the stratum adaptability of drilling and avoid the problem of large deviation of drilling construction hole sites of the soft and hard stratums.

The principle of the device for realizing magnetic tool changing in the working state is as follows:

the telescopic controller controls the corresponding telescopic rod to vertically extend and retract so as to drive the magnetic block to be in magnetic connection with the corresponding drill bit fixing plate; when the cutter changing operation is carried out in a hole, the telescopic rod is controlled to retract to drive the magnetic block and the drill bit fixing plate to retract together, the magnetic conduction function is finished after the height position of the other drill bit fixing plate is reached, the magnetic block is separated from the first drill bit fixing plate, at the moment, the lifting slide bar group is controlled to rotate by a certain angle, the other drill bit fixing plate is vertically coincided with the axis of the corresponding magnetic block, the magnetic conduction connection between the corresponding magnetic block and the other drill bit fixing plate is realized by controlling the extension of the telescopic rod, and the replacement of the cutter in the hole is completed.

By way of example and not limitation, the side high-pressure water pipes may be provided with four high-pressure water pipes, namely a first high-pressure water pipe, a second high-pressure water pipe, a third high-pressure water pipe and a fourth high-pressure water pipe, which are uniformly arranged inside the wear-resistant chassis and are all communicated with the bottom of the central high-pressure water pipe.

By way of example and not limitation, the number of the sludge discharge pipes can be four, namely a first sludge discharge pipe, a second sludge discharge pipe, a third sludge discharge pipe and a fourth sludge discharge pipe, and the four sludge discharge pipes are uniformly distributed outside the hollow framework and are welded with the hollow framework.

By way of example and not limitation, the shell-type drills may include a first shell-type drill, a second shell-type drill, a third shell-type drill, a fourth shell-type drill, a fifth shell-type drill, a sixth shell-type drill, a seventh shell-type drill, an eighth shell-type drill, a ninth shell-type drill, a tenth shell-type drill, an eleventh shell-type drill, a twelfth shell-type drill, a thirteenth shell-type drill, a fourteenth shell-type drill, a fifteenth shell-type drill, a sixteenth shell-type drill, a seventeenth shell-type drill, an eighteenth shell-type drill, a nineteenth shell-type drill, a twentieth shell-type drill, a twenty-first shell-type drill, a twenty-second shell-type drill, a twenty-third shell-type drill, a twenty-fourth shell-type drill; the thread type drill bits may include a first thread type drill bit, a second thread type drill bit, a third thread type drill bit, a fourth thread type drill bit, a fifth thread type drill bit, a sixth thread type drill bit, a seventh thread type drill bit, an eighth thread type drill bit, a ninth thread type drill bit, a tenth thread type drill bit, an eleventh thread type drill bit, a twelfth thread type drill bit, a thirteenth thread type drill bit, a fourteenth thread type drill bit, a fifteenth thread type drill bit, a sixteenth thread type drill bit, a seventeenth thread type drill bit, an eighteenth thread type drill bit, a nineteenth thread type drill bit, a twentieth thread type drill bit, a twenty-first thread type drill bit, a twenty-second thread type drill bit, a twenty-third thread type drill bit, and a twenty-fourth thread type drill bit.

Further, the first set of drill fixing plates may include a first drill fixing plate, a third drill fixing plate, a fifth drill fixing plate, a seventh drill fixing plate, a ninth drill fixing plate, an eleventh drill fixing plate, a thirteenth drill fixing plate, and a fifteenth drill fixing plate; the other group of drill fixing plates comprises a second drill fixing plate, a fourth drill fixing plate, a sixth drill fixing plate, an eighth drill fixing plate, a tenth drill fixing plate, a twelfth drill fixing plate, a fourteenth drill fixing plate and a sixteenth drill fixing plate.

The drill fixing plates are uniformly distributed outside the lifting slide bar group and are connected with the lifting slide bar group in a vertically sliding mode, and the drill fixing plates are sequentially arranged according to the sequence of a first drill fixing plate, a second drill fixing plate, a third drill fixing plate, a fourth drill fixing plate, a fifth drill fixing plate, a sixth drill fixing plate, a seventh drill fixing plate, an eighth drill fixing plate, a ninth drill fixing plate, a tenth drill fixing plate, an eleventh drill fixing plate, a twelfth drill fixing plate, a thirteenth drill fixing plate, a fourteenth drill fixing plate, a fifteenth drill fixing plate and a sixteenth drill fixing plate.

Further, the first shell-type drill bit, the second shell-type drill bit and the third shell-type drill bit are welded on the first drill bit fixing plate; the first thread type drill bit, the second thread type drill bit and the third thread type drill bit are welded on the second drill bit fixing plate; the fourth shell-type drill bit, the fifth shell-type drill bit and the sixth shell-type drill bit are welded on the third drill bit fixing plate; the fourth screw drill, the fifth screw drill and the sixth screw drill are welded on the fourth drill fixing plate; the seventh shell-type drill bit, the eighth shell-type drill bit and the ninth shell-type drill bit are welded on the fifth drill bit fixing plate; a seventh screw drill, an eighth screw drill, a ninth screw drill and a sixth drill fixing plate; the tenth shell type drill, the eleventh shell type drill and the twelfth shell type drill are welded on the seventh drill fixing plate; the tenth screw drill, the eleventh screw drill and the twelfth screw drill are welded on the eighth drill fixing plate; the thirteenth shell type drill bit, the fourteenth shell type drill bit and the fifteenth shell type drill bit are welded on the ninth drill bit fixing plate; a thirteenth screw drill, a fourteenth screw drill and a fifteenth screw drill are welded on the tenth drill fixing plate; the sixteenth shell type drill bit, the seventeenth shell type drill bit and the eighteenth shell type drill bit are welded on the eleventh drill bit fixing plate; the sixteenth screw drill, the seventeenth screw drill and the eighteenth screw drill are welded on the twelfth drill fixing plate; the nineteenth shell-type drill bit, the twentieth shell-type drill bit and the twenty-first shell-type drill bit are welded on the thirteenth drill bit fixing plate; the nineteenth screw thread type drill bit, the twentieth screw thread type drill bit and the twenty-first screw thread type drill bit are welded on the fourteenth drill bit fixing plate; the twenty-second shell-type drill bit, the twenty-third shell-type drill bit and the twenty-fourth shell-type drill bit are welded on the fifteenth drill bit fixing plate; the twenty-second screw drill, the twenty-third screw drill and the twenty-fourth screw drill are welded on the sixteenth drill fixing plate.

Correspondingly, the fixing plates comprise a first fixing plate, a second fixing plate, a third fixing plate, a fourth fixing plate, a fifth fixing plate, a sixth fixing plate, a seventh fixing plate and an eighth fixing plate; the telescopic controller comprises a first telescopic controller, a second telescopic controller, a third telescopic controller, a fourth telescopic controller, a fifth telescopic controller, a sixth telescopic controller, a seventh telescopic controller and an eighth telescopic controller; the telescopic rods comprise a first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a fifth telescopic rod, a sixth telescopic rod, a seventh telescopic rod and an eighth telescopic rod; the magnetic block comprises a first magnetic block, a second magnetic block, a third magnetic block, a fourth magnetic block, a fifth magnetic block, a sixth magnetic block, a seventh magnetic block and an eighth magnetic block.

Further, a first telescopic controller is arranged at the upper end of the first fixing plate and connected with the first telescopic rod, a second telescopic controller is arranged at the upper end of the second fixing plate and connected with the second telescopic rod, a third telescopic controller is arranged at the upper end of the third fixing plate and connected with the third telescopic rod, a fourth telescopic controller is arranged at the upper end of the fourth fixing plate and connected with the fourth telescopic rod, a fifth telescopic controller is arranged at the upper end of the fifth fixing plate and connected with the fifth telescopic rod, a sixth telescopic controller is arranged at the upper end of the sixth fixing plate and connected with the sixth telescopic rod, a seventh telescopic controller is arranged at the upper end of the seventh fixing plate and connected with the seventh telescopic rod, and an eighth telescopic controller is arranged at the upper end of the eighth fixing plate and connected with the eighth telescopic rod; the first magnetic block is fixedly connected to the lower portion of the first telescopic rod, the second magnetic block is fixedly connected to the lower portion of the second telescopic rod, the third magnetic block is fixedly connected to the lower portion of the third telescopic rod, the fourth magnetic block is fixedly connected to the lower portion of the fourth telescopic rod, the fifth magnetic block is fixedly connected to the lower portion of the fifth telescopic rod, the sixth magnetic block is fixedly connected to the lower portion of the sixth telescopic rod, the seventh magnetic block is fixedly connected to the lower portion of the seventh telescopic rod, the eighth magnetic block is fixedly connected to the lower portion of the eighth telescopic rod, and the center.

The principle of the device for realizing magnetic tool changing in the working state is as follows:

the eight telescopic controllers such as a first telescopic controller, a second telescopic controller, a third telescopic controller, a fourth telescopic controller, a fifth telescopic controller, a sixth telescopic controller, a seventh telescopic controller and an eighth telescopic controller are used for sequentially controlling the corresponding first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a fifth telescopic rod, a sixth telescopic rod, a seventh telescopic rod and an eighth telescopic rod, and the eight telescopic rods are connected with the corresponding first magnetic block, the second magnetic block, the third magnetic block, the fourth magnetic block, the fifth magnetic block, the sixth magnetic block, the seventh magnetic block and the eighth magnetic block by controlling the vertical extension characteristics of the eight telescopic rods, so that the eight magnetic blocks are connected with the corresponding drill bit fixing plates to realize the magnetic connection function; the variable drilling and cutting system comprises sixteen drill bit fixing plates in groups, each drill bit fixing plate in each group consists of a drill bit fixing plate, and a plurality of shell-type drill bits and a plurality of thread-type drill bits are sequentially distributed on the drill bit fixing plates at intervals; when the cutter changing operation is carried out in the hole, the telescopic rod is controlled to retract to drive the magnetic blocks and the drill bit fixing plates to retract together, the magnetic conduction function is finished after the height position of the other group of drill bit fixing plates is reached, the eight magnetic blocks are separated from the first group of drill bit fixing plates, at the moment, the lifting slide bar group is controlled to rotate by 22.5 degrees, the other group of drill bit fixing plates are vertically coincided with the axes of the corresponding magnetic blocks, the extension of the telescopic rod is controlled to realize the connection of the corresponding magnetic blocks and the drill bit fixing plates, and the replacement of the cutter in the hole is.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the device of the invention utilizes the mode of magnetic force conversion, sequentially controls a plurality of corresponding telescopic rods through a plurality of telescopic controllers, connects the telescopic rods with corresponding magnetic blocks by controlling the vertical extension characteristic of the telescopic rods, further realizes the connection of the corresponding magnetic blocks and a drill bit fixing plate to complete magnetic flux, drives the magnetic blocks and the drill bit fixing plate to retract together by controlling the retraction of the telescopic rods when needing to carry out in-hole tool changing operation, finishes the magnetic flux function after reaching the height position of another set of drill bit fixing plate, separates the magnetic blocks from the first set of drill bit fixing plate, simultaneously leads the other set of drill bit fixing plate to coincide with the axis of the corresponding magnetic blocks by controlling the lifting slide bar set to rotate for a certain angle, then realizes the connection of the corresponding magnetic blocks and the drill bit fixing plate by controlling the vertical extension of the telescopic rods, completes the in-hole replacement of a tool, realizes the, and the construction progress is accelerated.

2. The device can realize the rapid drilling and cutting construction of soft and hard stratums by using the variable drilling and cutting system, realize the cutting of ultra-hard soil by arranging the central drill bit at the center of the device, realize the drilling and cutting of soft soil, hard soil and homogeneous stratums by arranging a plurality of shell-shaped drill bits and thread type drill bits at intervals at the periphery, realize the rapid discharge of rock debris of any stratum by using the water pumping and flushing system, improve the stratum adaptability of drilling and avoid the problem of large deviation of drilling construction hole sites of the soft and hard stratums.

3. The device has the advantages of reliable performance, low cost, integration of drilling and cutting, uniform drilling and cutting force, low cost, high hole forming precision and high drilling and cutting speed.

Drawings

FIG. 1 is a front sectional view of the magnetic force conversion type intelligent tool changing drilling and cutting device for soft and hard strata.

Fig. 2 is a cross-sectional view of fig. 1 rotated 22.5 counterclockwise.

Fig. 3 is a cross-sectional view of fig. 1 rotated 45 counterclockwise.

FIG. 4 is a schematic drawing showing the contraction of the device of the present invention during the replacement of the drilling and cutting tools during the magnetic operation.

Fig. 5 is a bottom plan view of fig. 1.

Fig. 6 is a bottom view of fig. 1 taken along line a-a'.

FIG. 7 is a bottom view of FIG. 1 taken along line B-B'.

FIG. 8 is a top view of FIG. 1 taken along line C-C'.

Fig. 9 is a top view of fig. 1 taken along line D-D'.

FIG. 10 is a front sectional view of the apparatus of the present invention in soft and hard earth formation, ready for construction using a shell-type drill bit.

Wherein:

1 is a centrifugal sludge discharge system, 101 is a centrifugal sludge discharge machine, 102 is a first sludge discharge pipe, 103 is a second sludge discharge pipe, 104 is a third sludge discharge pipe, and 105 is a fourth sludge discharge pipe;

2, a variable drilling and cutting system, 201, 202, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 221, 222, 223, 224, a fourth shell drill, 204, 205, an eleventh shell drill, 211, 212, 213, a thirteenth shell drill, 214, 215, a fifteenth shell drill, 216, 217, a seventeenth shell drill, 218, 219, nineteenth shell drill, 220, 221, twenty-first shell drill, 222, twenty-second shell drill, 223, twenty-third shell drill, 224, a twenty-fourth shell drill, 225 is a first screw type drill, 226 is a second screw type drill, 227 is a third screw type drill, 228 is a fourth screw type drill, 229 is a fifth screw type drill, 230 is a sixth screw type drill, 231 is a seventh screw type drill, 232 is an eighth screw type drill, 233 is a ninth screw type drill, 234 is a tenth screw type drill, 235 is an eleventh screw type drill, 236 is a twelfth screw type drill, 237 is a thirteenth screw type drill, 238 is a fourteenth screw type drill, 239 is a fifteenth screw type drill, 240 is a sixteenth screw type drill, 241 is a seventeenth screw type drill, 242 is an eighteenth screw type drill, 243 is a nineteenth screw type drill, 244 is a twentieth screw type drill, 245 is a twenty-first screw type drill, 246 is a twenty-second screw type drill, 247 is a twenty-third screw type drill, 248 is a twenty-fourth screw type drill, a, 249 as a center drill, 250 as a first drill fixing plate, 251 as a second drill fixing plate, 252 as a third drill fixing plate, 253 as a fourth drill fixing plate, 254 as a fifth drill fixing plate, 255 as a sixth drill fixing plate, 256 as a seventh drill fixing plate, 257 as an eighth drill fixing plate, 258 as a ninth drill fixing plate, 259 as a tenth drill fixing plate, 260 as an eleventh drill fixing plate, 261 as a twelfth drill fixing plate, 262 as a thirteenth drill fixing plate, 263 as a fourteenth drill fixing plate, 264 as a fifteenth drill fixing plate, 265 as a sixteenth drill fixing plate;

3 is a pump water flushing system, 301 is a first high-pressure water pipe, 302 is a second high-pressure water pipe, 303 is a third high-pressure water pipe, 304 is a fourth high-pressure water pipe, and 305 is a central high-pressure water pipe;

4 is a magnetic force conversion system, 401 is a first magnetic block, 402 is a second magnetic block, 403 is a third magnetic block, 404 is a fourth magnetic block, 405 is a fifth magnetic block, 406 is a sixth magnetic block, 407 is a seventh magnetic block, 408 is an eighth magnetic block, 409 is a first telescopic rod, 410 is a second telescopic rod, 411 is a third telescopic rod, 412 is a fourth telescopic rod, 413 is a fifth telescopic rod, 414 is a sixth telescopic rod, 415 is a seventh telescopic rod, 416 is an eighth telescopic rod, 417 is a first telescopic controller, 418 is a second telescopic controller, 419 is a third telescopic controller, 420 is a fourth telescopic controller, fifth telescopic controller, 422 is a sixth telescopic controller, 423 is a seventh telescopic controller, 424 is an eighth telescopic controller, 425 is a first fixed plate, 426 is a second fixed plate, 427 is a third fixed plate, 428 is a fourth fixed plate, 429 is a fifth fixed plate, 430 is a sixth fixing plate, 431 is a seventh fixing plate, 432 is an eighth fixing plate;

5 is a framework system, 501 is a hollow framework, 502 is a lifting slide bar group, 503 is a wear-resistant shell, and 504 is a wear-resistant chassis;

6 is the stratum system, 601 is soft soil layer, 602 is hard soil layer.

Detailed Description

The invention will be further described with reference to the following examples, which are illustrated in the accompanying drawings.

Examples

As shown in fig. 1-10, the magnetic force conversion type intelligent tool changing drilling and cutting device for soft and hard strata comprises a centrifugal mud discharging system 1, a variable drilling and cutting system 2, a pump water flushing system 3, a magnetic force conversion system 4 and a skeleton system 5.

The centrifugal sludge discharge system 1 comprises a centrifugal sludge discharge machine 101, a first sludge discharge pipe 102, a second sludge discharge pipe 103, a third sludge discharge pipe 104 and a fourth sludge discharge pipe 105.

The variable drilling and cutting system 2 includes a first shell-type drill 201, a second shell-type drill 202, a third shell-type drill 203, a fourth shell-type drill 204, a fifth shell-type drill 205, a sixth shell-type drill 206, a seventh shell-type drill 207, an eighth shell-type drill 208, a ninth shell-type drill 209, a tenth shell-type drill 210, an eleventh shell-type drill 211, a twelfth shell-type drill 212, a thirteenth shell-type drill 213, a fourteenth shell-type drill 214, a fifteenth shell-type drill 215, a sixteenth shell-type drill 216, a seventeenth shell-type drill 217, an eighteenth shell-type drill 218, a nineteenth shell-type drill 219, a twentieth shell-type drill 220, a twenty-first shell-type drill 221, a twenty-second shell-type drill 222, a twenty-third shell-type drill 223, a twenty-fourth shell-type drill 224, a first screw-type drill 225, a second screw-type drill 226, a twenty-type drill 226, a first shell-type drill 220, a third screw type drill 227, a fourth screw type drill 228, a fifth screw type drill 229, a sixth screw type drill 230, a seventh screw type drill 231, an eighth screw type drill 232, a ninth screw type drill 233, a tenth screw type drill 234, an eleventh screw type drill 235, a twelfth screw type drill 236, a thirteenth screw type drill 237, a fourteenth screw type drill 238, a fifteenth screw type drill 239, a sixteenth screw type drill 240, a seventeenth screw type drill 241, an eighteenth screw type drill 242, a nineteenth screw type drill 243, a twentieth screw type drill 244, a twenty-first screw type drill 245, a twenty-second screw type drill 246, a twenty-third screw type drill 247, a twenty-fourth screw type drill 248, a center drill, a first drill fixing plate 250, a second drill fixing plate 251, a third drill fixing plate 252, a fourth drill fixing plate 253, a third drill fixing plate 249, a fourth drill fixing plate 249, a, A fifth drill fixing plate 254, a sixth drill fixing plate 255, a seventh drill fixing plate 256, an eighth drill fixing plate 257, a ninth drill fixing plate 258, a tenth drill fixing plate 259, an eleventh drill fixing plate 260, a twelfth drill fixing plate 261, a thirteenth drill fixing plate 262, a fourteenth drill fixing plate 263, a fifteenth drill fixing plate 264, and a sixteenth drill fixing plate 265.

The pump water flushing system 3 includes a first high-pressure water pipe 301, a second high-pressure water pipe 302, a third high-pressure water pipe 303, a fourth high-pressure water pipe 304, a central high-pressure water pipe 305, and a high-pressure water pump.

The magnetic force conversion system 4 includes a first magnetic block 401, a second magnetic block 402, a third magnetic block 403, a fourth magnetic block 404, a fifth magnetic block 405, a sixth magnetic block 406, a seventh magnetic block 407, an eighth magnetic block 408, a first telescopic rod 409, a second telescopic rod 410, a third telescopic rod 411, a fourth telescopic rod 412, a fifth telescopic rod 413, a sixth telescopic rod 414, a seventh telescopic rod 415, and an eighth telescopic rod 416, a first telescopic controller 417, a second telescopic controller 418, a third telescopic controller 419, a fourth telescopic controller 420, a fifth telescopic controller 421, a sixth telescopic controller 422, a seventh telescopic controller 423, an eighth telescopic controller 424, a first fixing plate 425, a second fixing plate 426, a third fixing plate 427, a fourth fixing plate 428, a fifth fixing plate 429, a sixth fixing plate 430, a seventh fixing plate 431, and an eighth fixing plate 432.

The framework system 5 comprises a hollow framework 501, a lifting slide bar group 502, a wear-resistant outer shell 503 and a wear-resistant chassis 504.

In addition, the stratum system 6 comprises a soft soil layer 601 and a hard soil layer 602.

In the invention, the outer bottom of the hollow framework 501 of the framework system 5 is welded with the lifting slide bar group 502, the wear-resistant shell 503 is arranged at the outer side of the hollow framework 501 and the lifting slide bar group 502, and the wear-resistant chassis 504 is arranged at the inner bottom of the wear-resistant shell 503.

Further, a central high-pressure water pipe 305 is arranged in the hollow framework 501, the lifting slide bar group 502 is fixedly connected to the outside of the hollow framework 501, the bottom of the central high-pressure water pipe 305 is connected with a first high-pressure water pipe 301, a second high-pressure water pipe 302, a third high-pressure water pipe 303 and a fourth high-pressure water pipe 304, and the first high-pressure water pipe 301, the second high-pressure water pipe 302, the third high-pressure water pipe 303 and the fourth high-pressure water pipe 304 are arranged inside the wear-resistant chassis 504. The first high-pressure water pipe 301, the second high-pressure water pipe 302, the third high-pressure water pipe 303, the fourth high-pressure water pipe 304 and the central high-pressure water pipe 305 in the pump water flushing system 3 are all made of high-pressure resistant materials, and the shell is made of high-strength alloy, so that the pump water flushing system has the advantages of high pressure resistance and safety.

The wear-resistant outer shell 503 is welded on the outer side of the wear-resistant chassis 504, and the first sludge discharge pipe 102, the second sludge discharge pipe 103, the third sludge discharge pipe 104 and the fourth sludge discharge pipe 105 are welded on the outer side of the bottom of the hollow framework 501; the outer side of the lifting slide bar group 502 is slidably connected with a first drill fixing plate 250, a second drill fixing plate 251, a third drill fixing plate 252, a fourth drill fixing plate 253, a fifth drill fixing plate 254, a sixth drill fixing plate 255, a seventh drill fixing plate 256, an eighth drill fixing plate 257, a ninth drill fixing plate 258, a tenth drill fixing plate 259, an eleventh drill fixing plate 260, a twelfth drill fixing plate 261, a thirteenth drill fixing plate 262, a fourteenth drill fixing plate 263, a fifteenth drill fixing plate 264 and a sixteenth drill fixing plate 265 in sequence.

The first shell type drill 201, the second shell type drill 202 and the third shell type drill 203 are welded on the first drill fixing plate 250; the first screw type drill 225, the second screw type drill 226 and the third screw type drill 227 are welded on the second drill fixing plate 251; the fourth shell type drill 204, the fifth shell type drill 205 and the sixth shell type drill 206 are welded to the third drill fixing plate 252; the fourth screw drill 228, the fifth screw drill 229, and the sixth screw drill 230 are welded to the fourth drill fixing plate 253; the seventh shell type drill 207, the eighth shell type drill 208, and the ninth shell type drill 209 are welded to the fifth drill fixing plate 254; a seventh screw drill 231, an eighth screw drill 232, a ninth screw drill 233, and a sixth drill fixing plate 255; the tenth shell-type drill 210, the eleventh shell-type drill 211, and the twelfth shell-type drill 212 are welded to the seventh drill fixing plate 256; the tenth screw drill 234, the eleventh screw drill 235, and the twelfth screw drill 236 are welded to the eighth drill fixing plate 257; the thirteenth shell type drill 213, the fourteenth shell type drill 214, and the fifteenth shell type drill 215 are welded to the ninth drill fixing plate 258; the thirteenth thread type drill 237, the fourteenth thread type drill 238 and the fifteenth thread type drill 239 are welded on the tenth drill fixing plate 259; the sixteenth shell type drill 216, the seventeenth shell type drill 217 and the eighteenth shell type drill 218 are welded to the eleventh drill fixing plate 260; the sixteenth screw drill 240, the seventeenth screw drill 241, and the eighteenth screw drill 242 are welded to the twelfth drill fixing plate 261; the nineteenth shell type drill 219, the twentieth shell type drill 220, and the twenty-first shell type drill 221 are welded to the thirteenth drill fixing plate 262; the nineteenth screw drill 243, the twentieth screw drill 244 and the twenty-first screw drill 245 are welded to the fourteenth drill fixing plate 263; the twenty-second shell type drills 222, 223 and 224 are welded to the fifteenth drill fixing plate 264; the twenty-second screw type drill 246, the twenty-third screw type drill 247 and the twenty-fourth screw type drill 248 are welded to the sixteenth drill fixing plate 265. The shell-type drill bit is made of high-strength alloy and has the advantages of fast ground breaking, corrosion resistance and abrasion resistance, the threaded drill bit is made of high-strength alloy and has the advantages of strong stone breaking capacity, corrosion resistance and abrasion resistance, and the fixing plate is made of alloy and has high strength, good fixing capacity and good magnet adsorption.

Two ends of a first fixing plate 425, a second fixing plate 426, a third fixing plate 427, a fourth fixing plate 428, a fifth fixing plate 429, a sixth fixing plate 430, a seventh fixing plate 431 and an eighth fixing plate 432 are respectively fixedly connected to the middle parts of the hollow framework 501 and the wear-resistant shell 503; a first telescopic controller 417 is disposed at the upper end of the first fixing plate 425 and connected to the first telescopic rod 409, a second telescopic controller 418 is disposed at the upper end of the second fixing plate 426 and connected to the second telescopic rod 410, a third telescopic controller 419 is disposed at the upper end of the third fixing plate 427 and connected to the third telescopic rod 411, a fourth telescopic controller 420 is disposed at the upper end of the fourth fixing plate 428 and connected to the fourth telescopic rod 412, a fifth telescopic controller 421 is disposed at the upper end of the fifth fixing plate 429 and connected to the fifth telescopic rod 413, a sixth telescopic controller 422 is disposed at the upper end of the sixth fixing plate 430 and connected to the sixth telescopic rod 414, a seventh telescopic controller 423 is disposed at the upper end of the seventh fixing plate 431 and connected to the seventh telescopic rod 415, and an eighth telescopic controller 424 is disposed at the upper end of the eighth fixing plate 432 and connected to the eighth telescopic rod 409; the first magnetic block 401 is fixedly connected below the first telescopic rod 409, the second magnetic block 402 is fixedly connected below the second telescopic rod 410, the third magnetic block 403 is fixedly connected below the third telescopic rod 411, the fourth magnetic block 404 is fixedly connected below the fourth telescopic rod 412, the fifth magnetic block 405 is fixedly connected below the fifth telescopic rod 413, the sixth magnetic block 406 is fixedly connected below the sixth telescopic rod 414, the seventh magnetic block 407 is fixedly connected below the seventh telescopic rod 415, the eighth magnetic block 408 is fixedly connected below the eighth telescopic rod 416, and the center drill 249 is welded at the center of the bottom of the wear-resistant chassis 504. The telescopic controller is composed of a calculator processor and a receiver and has the advantages of sensitive control, shock resistance and interference resistance. The telescopic link is made by high strength alloy, stretches out and draws back to scribble lubricating oil, and flexible, intensity is high. The fixing plate is made of high-strength alloy and plays a role in supporting the framework. The magnetic block is made of electric wires, magnetic substances and alloy, and has strong magnetic force after being electrified and no magnetic force after being powered off.

Centrifugal sludge discharging machine 101 and mud pipe connection in centrifugal sludge discharging system 1, centrifugal sludge discharging machine 101 outside sets up, by leading the mud pipe, goes out the mud pipe, centrifugal fan, casing, motor, the power transmission line is constituteed, has the advantage of high-efficient mud discharging, and first mud pipe 102, second mud pipe 103, third mud pipe 104, fourth mud pipe 105 weld in the outside mud pipe of hollow framework 501 and make by the alloy and have corrosion-resistant, stand wear and tear advantage.

The principle of the device for realizing magnetic tool changing in the working state is as follows:

the eight telescopic controllers such as a first telescopic controller 417, a second telescopic controller 418, a third telescopic controller 419, a fourth telescopic controller 420, a fifth telescopic controller 421, a sixth telescopic controller 422, a seventh telescopic controller 423 and an eighth telescopic controller 424 are used for sequentially controlling the corresponding eight telescopic rods such as a first telescopic rod 409, a second telescopic rod 410, a third telescopic rod 411, a fourth telescopic rod 412, a fifth telescopic rod 413, a sixth telescopic rod 414, a seventh telescopic rod 415 and an eighth telescopic rod 416, the vertical extension characteristics of the eight telescopic rods are controlled to be connected with the corresponding first magnetic block 401, second magnetic block 402, third magnetic block 403, fourth magnetic block 404, fifth magnetic block 405, sixth magnetic block 406, seventh magnetic block 407 and eighth magnetic block 408, so that the eight magnetic blocks are connected with the corresponding drill bit fixing plates to realize the magnetic connection function; the variable drilling and cutting system 2 comprises two groups of sixteen drill bit fixing plates, each group of drill bit fixing plates consists of eight drill bit fixing plates, and a plurality of shell-type drill bits and a plurality of thread-type drill bits are sequentially distributed on the eight drill bit fixing plates at intervals; when the tool changing operation in the hole of the stratum system is carried out, the retraction of the telescopic rod is controlled to drive the magnetic block and the first group of drill bit fixing plates to retract together, the magnetic conduction function is finished after the height position of the other group of drill bit fixing plates is reached, the eight magnetic blocks are separated from the first group of drill bit fixing plates, at the moment, the lifting slide rod group 502 is controlled to rotate by 22.5 degrees, the other group of drill bit fixing plates is vertically superposed with the axis of the corresponding magnetic block, the extension of the telescopic rod is controlled to realize the connection of the corresponding magnetic block and the other group of drill bit fixing plates, and the replacement in the hole of the.

The embodiments described above are intended to facilitate one of ordinary skill in the art in understanding and using the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (1)

1. The utility model provides a magnetic force conversion formula intelligence tool changing bores and cuts device for soft or hard stratum which characterized in that: comprises a centrifugal sludge discharge system (1), a variable drilling and cutting system (2), a water pumping and flushing system (3), a magnetic force conversion system (4) and a skeleton system (5);

the centrifugal sludge discharge system (1) comprises a centrifugal sludge discharge machine (101) and a sludge discharge pipe; the variable drilling and cutting system (2) comprises drill bits and two groups of drill bit fixing plates, wherein the drill bits comprise lateral drill bits and central drill bits (249), and lateral drill bits are uniformly distributed at the bottoms of the two groups of drill bit fixing plates; the pump water flushing system (3) comprises an edge side high-pressure water pipe, a center high-pressure water pipe (305) and a high-pressure water pump; the magnetic force conversion system (4) comprises a magnetic block, a telescopic rod, a telescopic controller and a fixing plate; the framework system (5) comprises a hollow framework (501), a lifting sliding rod group (502), a wear-resistant shell (503) and a wear-resistant chassis (504);

the wear-resistant chassis (504) is arranged at the inner bottom of the wear-resistant shell (503), and the center drill bit (249) is installed at the bottom center of the wear-resistant chassis (504); the hollow framework (501) and the lifting slide bar group (502) are arranged in the wear-resistant shell (503), and the lifting slide bar group (502) is sleeved at the bottom of the outer side of the hollow framework (501) and is horizontally and rotatably connected with the hollow framework (501); the two groups of drill bit fixing plates are vertically connected to the outer side of the lifting sliding rod group (502) in a sliding mode and are uniformly distributed around the periphery of the lifting sliding rod group (502);

the fixed plate is horizontally and fixedly connected between the hollow framework (501) and the wear-resistant shell (503); the telescopic controller is arranged at the upper end of the fixed plate and connected with the upper end of the telescopic rod, the lower end of the telescopic rod is connected with the magnetic block, and the magnetic block is in magnetic connection with the drill bit fixed plates;

the central high-pressure water pipe (305) is arranged inside the hollow framework (501), the top of the central high-pressure water pipe is connected with the high-pressure water pump, the bottom of the central high-pressure water pipe is communicated with the side high-pressure water pipe, and the side high-pressure water pipe is arranged inside the wear-resistant chassis (504);

the sludge discharge pipe is welded on the outer side of the hollow framework (501), the top of the sludge discharge pipe is connected with a centrifugal sludge discharge machine (101) arranged outside the wear-resistant shell (503), and the bottom of the sludge discharge pipe penetrates through the wear-resistant chassis (504) and is positioned on the periphery of the central high-pressure water pipe (305);

the two groups of drill bit fixing plates respectively comprise four drill bit fixing plates, and all the drill bit fixing plates are uniformly distributed on the outer side of the lifting sliding rod group (502) and are connected with the lifting sliding rod group (502) in a vertical sliding mode; the drill bit fixing plates of the first group and the drill bit fixing plates of the second group are sequentially arranged at intervals;

correspondingly, four fixing plates, four telescopic controllers, four telescopic rods and four magnetic blocks are arranged respectively;

the side drill bit adopts a shell type drill bit and a thread type drill bit;

a shell-type drill bit is arranged below one group of drill bit fixing plates, and a thread-type drill bit is arranged below the other group of drill bit fixing plates;

three identical drills are arranged below each drill fixing plate;

the four side high-pressure water pipes are uniformly arranged in the wear-resistant chassis (504) and are communicated with the bottom of the central high-pressure water pipe (305);

the number of the sludge discharge pipes is four, and the four sludge discharge pipes are uniformly distributed on the outer side of the hollow framework (501) and are welded with the hollow framework (501);

the telescopic controller controls the corresponding telescopic rod to vertically extend and retract so as to drive the magnetic block to be in magnetic connection with the corresponding drill bit fixing plate; when the cutter changing operation is carried out in a hole, the telescopic rod is controlled to retract to drive the magnetic block and the drill bit fixing plate to retract together, the magnetic conduction function is finished after the height position of the other drill bit fixing plate is reached, the magnetic block is separated from the first drill bit fixing plate, at the moment, the lifting slide bar group is controlled to rotate by a certain angle, the other drill bit fixing plate is vertically coincided with the axis of the corresponding magnetic block, the magnetic conduction connection between the corresponding magnetic block and the other drill bit fixing plate is realized by controlling the extension of the telescopic rod, and the replacement of the cutter in the hole is completed.

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