CN113374480B - Well unloading process for shaft boring machine well drilling equipment - Google Patents
Well unloading process for shaft boring machine well drilling equipment Download PDFInfo
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- CN113374480B CN113374480B CN202110630416.1A CN202110630416A CN113374480B CN 113374480 B CN113374480 B CN 113374480B CN 202110630416 A CN202110630416 A CN 202110630416A CN 113374480 B CN113374480 B CN 113374480B
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- well
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- 238000005553 drilling Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 49
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 241001669679 Eleotris Species 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000008262 pumice Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 8
- 238000005422 blasting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
- E21D7/02—Arrangement of guides for cages in shafts; Connection of guides for cages to shaft walls
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a process for dismantling well equipment of a shaft boring machine, which comprises two large steps of preparation pose before dismantling the shaft boring machine and dismantling the shaft boring machine; according to the invention, the vertical shaft heading machine is gradually disassembled and transported out, so that the possibility of damage to the vertical shaft heading machine can be reduced, the labor intensity of workers is reduced, the safety of the workers is ensured, and a specific vertical shaft heading machine well drilling equipment disassembling well outlet process is provided.
Description
Technical Field
The invention relates to the technical field of a sinking equipment dismantling process. In particular to a process for dismantling well-out of well-digging equipment of a vertical shaft heading machine.
Background
In the prior art, the existing rock stratum mine construction engineering mostly adopts the common method well drilling construction, and a worker is required to fall to a narrow excavation working face with the depth of hundreds of meters, and the operations of drilling a blast hole, loading explosive, blasting the working face, lifting the blasted and broken rock to the ground through a bucket, draining the working face, supporting and the like are performed by using a drilling machine tool. The mechanical level is low, the labor force input is more, the working environment is hard, the safety condition is poor, the accident occurs, the blasting has large disturbance to surrounding rock, the stress change of the original rock is large, and the support is difficult. The working procedures of rock loading, water draining and the like account for one third to two thirds of the total construction time, and the construction speed is slow by 30-40 m/month. In actual construction, a reverse driller may be used because about 20% of these mine shaft projects have lower lanes. The well-reversing drilling construction process has the advantages of low labor intensity, good well-forming quality, high speed, high work efficiency, reliable guarantee of personal safety and the like.
When the well-reversing construction process is utilized, a shaft heading machine is needed, after a series of starting works are completed, the shaft heading machine is put into a dug well for working, after the construction is completed, the shaft heading machine is needed to be transported out, and in the prior art, no better process for transporting the shaft heading machine out of the well is available.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a well unloading process for removing the shaft boring machine well drilling equipment capable of safely transporting the shaft boring machine out of a well.
In order to solve the technical problems, the invention provides the following technical scheme:
the process for removing the well from the well drilling equipment of the vertical shaft heading machine comprises two large steps of preparation pose before the well drilling equipment is removed from the vertical shaft heading machine and removal of the well from the lower part of the vertical shaft heading machine.
The process for removing the well outlet of the well drilling equipment of the vertical shaft heading machine comprises the following steps of:
step A: adjusting the well outlet pose of the vertical shaft heading machine: guan Tingfeng water pipes are used for adjusting the position of the vertical shaft heading machine, so that the distance between a lower ring beam of the vertical shaft heading machine and a lower wellhead is less than 50cm, a telescopic oil cylinder of the vertical shaft heading machine reaches the maximum drilling stroke, a drill bit can be fully exposed in a lower wellhead roadway of an outgoing vertical shaft, and underground rock slag in the roadway is cleaned;
and (B) step (B): adjusting the pre-disassembly pose of the vertical shaft heading machine: the vertical shaft heading machine withdraws eight supporting shoe plates to 100mm, the reverse well drilling machine lifts the vertical shaft heading machine to descend, so that a drill bit of the vertical shaft heading machine is slowly close to the roadway ground plane, after the drill bit is in place, the vertical shaft heading machine supports the four supporting shoe plates of the upper ring beam to prop against the well wall, meanwhile, the reverse well drilling machine still needs to lift the vertical shaft heading machine and maintain pressure, the situation that the vertical shaft heading machine independently descends due to self weight to reversely lift the drill bit is prevented, after the vertical shaft heading machine descends to a target position, the hanging scaffold needs to be lowered along with the vertical shaft heading machine, and the distance between the bottom plate of the lowest layer of the hanging scaffold and the upper ring beam of the vertical shaft heading machine is kept at 3m.
The vertical shaft heading machine comprises a drill bit, a machine body and a shoe plate, wherein the machine body comprises an upper ring beam, a lower ring beam, a stand column guide rail, a telescopic cylinder and a gear reduction box, the upper ring beam and the lower ring beam are fixedly connected through the stand column guide rail, a cylinder body of the telescopic cylinder is fixedly arranged on the upper ring beam, the free end of a piston rod of the telescopic cylinder is fixedly connected with the gear reduction box, a slip ring is fixedly arranged around the gear reduction box, the gear reduction box is arranged on the stand column guide rail through the slip ring, the gear reduction box is in driving connection with the drill bit through an output main shaft, and the shoe plate is respectively arranged on the upper ring beam and the lower ring beam; the lower well discharging disassembling machine of the vertical shaft heading machine comprises the following steps: the method comprises the following steps of disassembling a drill bit of a vertical shaft heading machine, disassembling a lower ring beam of the vertical shaft heading machine, disassembling a gear reduction box and a guide upright post of the vertical shaft heading machine, and disassembling an upper ring beam of the vertical shaft heading machine.
The process for dismantling the well outlet of the well drilling equipment of the shaft development machine comprises the following steps of:
step A: cleaning well wall pumice stones from the lowest layer of the hanging scaffold to the vertical position of 5m of the well outlet, and fully unfolding folding wings of the lowest layer of hanging scaffold;
and (B) step (B): building a scaffold with the height of 1.8m around a drill bit of a vertical shaft heading machine, entering a truck crane, lifting each wing plate of the drill bit in sequence, connecting cross beams, lifting and pre-tightening, removing bolts connected with the cross beams between each wing plate in sequence by using a torque wrench and a wind cannon machine, and performing damage and removal on the bolts which are difficult to detach by using a nut breaker;
step C: after the connecting beam connecting bolts are disassembled, hoisting the connecting beam onto a carriage of a scooter by using a truck crane, after the connecting beam is loaded, sequentially hoisting each big wing plate of a drill bit by using the truck crane, carrying out hoisting pre-tightening, sequentially dismantling the connecting bolts of each big wing plate by using a torque wrench and a wind cannon, and carrying out damage and excision on the bolts which are difficult to disassemble by using a nut breaker;
step D: after the large wing plate connecting bolts are disassembled, hoisting the large wing plate on a carriage of a scooter by using a truck crane, hoisting drill bit hoisting holes of a vertical shaft heading machine by using the truck crane and hoisting and pre-tightening the drill bit hoisting holes after the large wing plate is loaded, sequentially dismantling the connecting bolts of each drill bit connecting flange by using a torque wrench and a wind cannon, and carrying out damage and excision on the bolts which are difficult to disassemble by using a nut breaker;
step E: after the disassembly of the drill bit connecting flange is finished, the screw is not pulled out of the flange connecting hole temporarily, after the inspection of the truck-mounted crane lifting is free from variation, the scaffold around the drill bit is removed, after the scaffold is removed, the truck-mounted crane is discharged down to lift the lifting force of the drill bit, the telescopic oil cylinder is started, the lifting gear reduction box enables the main shaft connecting flange to ascend, so that the main shaft flange is thoroughly separated from the drill bit flange connecting part, and three situations can occur in the drill bit after the main shaft flange is thoroughly separated from the drill bit flange connecting part: a: the drill bit is nearly perpendicular to the ground, b: the drill bit is slightly inclined to the ground, c: if the bit is in the pose of a and b, the bit is pulled by the truck crane, so that the bit is in the pose of c finally;
step F: the two similar symmetrical wing plates are connected together by a steel wire rope and a lifting ring of a lower ring beam near the bottom end of a drill bit, a well reversing drill machine lifts the well drilling machine to ascend, so that a drill bit faces upwards and a flange plate faces downwards, the well reversing drill machine achieves the degree overturning of the drill bit, the well drilling machine withdraws four supporting shoe plates positioned on the upper ring beam, the well reversing drill machine slowly lifts the well drilling machine to slowly ascend, the drill bit slowly lies off the ground to a height of 1.5m under the lifting action of the steel wire rope, a gun truck enters the field and drives into the position right below the drill bit, the well reversing drill machine lifts the well drilling machine and slowly performs forward and backward rotation, and fine adjustment is performed on the direction of the drill bit, the well reversing drill machine slowly lifts the well drilling machine to descend, the drill bit is lowered onto a gun truck bearing beam filled with sleepers, and the gun truck successfully drives out of a wire-outgoing shaft tunnel after the drill bit is smoothly loaded.
The process for dismantling the well outlet of the well drilling equipment of the vertical shaft development machine comprises the following steps of:
step A: the gun carriage enters the field and drives under the machine body, the vertical shaft heading machine is lifted by the back-up drilling machine to slowly descend until the lower ring beam is close to the gun carriage spandrel girder, after the gun carriage is ensured to be uniformly distributed with the anti-skid pad, the machine body can be allowed to be placed on the gun carriage spandrel girder, and the vertical shaft heading machine still needs to be lifted by the back-up drilling machine and is maintained in pressure;
and (B) step (B): dismantling explosion-proof cameras fixed on the upper surface of the lower ring beam and the lower surface of the upper ring beam by using tools such as an ordinary wrench, tightly wrapping the explosion-proof cameras by using an anti-vibration bubble bag, placing the explosion-proof cameras in a fitting box beside a gun carriage, dismantling oil cylinder pipelines of four support shoe plates of the lower ring beam, sequentially lifting and pre-tightening the four support shoe plates by using a truck crane, simultaneously sequentially dismantling the four shoe plates by using tools such as a heavy hammer, and sequentially lifting and piling the dismantled shoe plates beside a roadway by using the truck crane;
step C: the connecting bolts of the four upright post guide rails connected with the lower ring beam are sequentially removed by tools such as a torque wrench, a gun blower and the like, the bolts which are difficult to detach are damaged and cut by using a nut breaker, and the inverted well drilling machine lifts the upper ring beam to slowly go upwards, so that the four upright post guide rails are thoroughly separated from the upper ring beam and the lower ring beam, and after the lower ring beam is smoothly loaded, a gun carrier successfully drives out of an outgoing line shaft tunnel.
The well unloading process for the well drilling equipment of the vertical shaft development machine is characterized in that the gear reduction box and the guide upright post of the vertical shaft development machine are disassembled, and the method comprises the following steps:
step A: the nine I-steel beams are divided into three groups, each group is formed by welding and combining three I-steel beams and is respectively fixed on three spandrel girders of a gun carriage, the gun carriage enters a field and drives under a machine body, a back-well drilling machine lifts a vertical shaft heading machine to slowly descend until the bottom surfaces of a gear reduction box flange and four upright post guide rails are close to the girder surfaces of the gun carriage, after the uniform distribution of sleepers and anti-skid mats on the gun carriage is ensured, the machine body can be allowed to be placed on the gun carriage, and the back-well drilling machine still needs to lift the vertical shaft heading machine and maintain pressure at the moment;
and (B) step (B): a sleeper with proper height is arranged between a support beam of the gun carriage and the flange plate of the gear reduction box and the bottom surface of the upright post guide rail, then the gear reduction box is subjected to oil discharging operation, so that the gear reduction box slowly descends to the preset height for sleeper laying due to oil pressure leakage, and after the gear reduction box stably falls on the sleeper, all oil circuits and circuits of the vertical shaft heading machine are removed;
step C: lifting and pre-tightening a motor of a vertical shaft heading machine after entering a field of a truck-mounted crane, sequentially dismantling connecting bolts of the motor and a speed reducer by using tools such as a torque wrench, a wind cannon machine and the like, and damaging and cutting a target nut by using a nut breaker aiming at the bolts which are difficult to disassemble, wherein the truck-mounted crane finishes stacking work of the motor after the motor is dismantled;
step D: the planetary reducer of the vertical shaft heading machine is lifted and pre-tightened by the truck-mounted crane in sequence, connecting bolts of the planetary reducer are removed by tools such as a torque wrench, a wind cannon machine and the like in sequence, a nut breaker can be used for destroying and cutting a target nut aiming at the bolts which are difficult to disassemble, and the truck-mounted crane is used for completing stacking work after the planetary reducer is removed;
step E: binding and fixing the gear reduction box and the upright post guide rail by using a tension hoist and a steel wire rope, and dismantling a connecting pin shaft connected with an upper ring beam of an upper oil cylinder of the gear reduction box by using tools such as a heavy hammer and the like;
step F: the connecting bolts of the four upright post guide rails connected with the upper ring beam are sequentially removed by tools such as a torque wrench, a wind gun machine and the like, a nut breaker is used for destroying and cutting target nuts for the bolts which are difficult to disassemble, and the reverse well drilling machine lifts the upper ring beam to slowly go upwards, so that the four upright post guide rails are thoroughly separated from the upper ring beam, and after the gear reduction box and the four upright post guide rails are smoothly loaded, a plate trailer successfully drives out of an outgoing line shaft roadway.
The process for dismantling the well outlet of the well drilling equipment of the vertical shaft development machine comprises the following steps of:
step A: after the gun carriage is disassembled from the load-bearing beam tool, entering the field and driving into the position right below the upper ring beam, and lifting the upper ring beam by the inverted well drilling machine to slowly descend until the bottommost surface of the upper ring beam is close to the gun carriage bearing beam, so that after anti-skid pads are uniformly distributed on the gun carriage, the upper ring beam can be allowed to be placed on the gun carriage;
and (B) step (B): the oil cylinder pipelines of the four support shoe plates of the upper ring beam are removed, the four support shoe plates are sequentially lifted and pre-tightened by using a truck crane, meanwhile, the four shoe plates are sequentially disassembled by using tools such as a heavy hammer and the like, and the removed shoe plates are sequentially lifted and stacked beside a roadway by using the truck crane;
step C: the inverted well drilling machine lifts the inverted well drilling rod to recover the inverted well drilling rod, and after the upper ring beam and the lifting beam are smoothly loaded, the gun carriage successfully drives out of the outgoing line shaft tunnel;
step D: the other shaft boring machine accessories such as boots in the shaft lane are installed in the common loading vehicle, so that the shaft boring machine can safely exit the outgoing shaft traffic hole, and the complete machine lower well discharging and disassembling of the shaft boring machine is completed.
The drill bit comprises a long main wing plate, a short main wing plate, a large wing plate, a small wing plate, a connecting ring, screws and a connecting cross beam; the drill bit comprises a drill bit body, a long main wing plate, a short main wing plate, a connecting ring and a connecting rod, wherein the long main wing plate and the short main wing plate jointly form the drill bit body, the number of the long main wing plate is two, the two long main wing plates are symmetrically designed about the central axis of the drill bit, the number of the short main wing plate is four, the four short main wing plates are uniformly and symmetrically designed about the two long main wing plates, the two long main wing plates and the two short main wing plates are coaxially and uniformly distributed, and the connecting ring is integrally arranged at the outer edge positions of the outer ends of the long main wing plate and the short main wing plate; the connecting ring is also integrally arranged at the outer edge of one side with larger cross section of the large wing plate and the small wing plate, the large wing plate is arranged at the outer end of the short main wing plate through the connecting ring and the screw, the small wing plate is arranged at the outer end of the long main wing plate through the connecting ring and the screw, after the large wing plate and the small wing plate are arranged, the outer ends of the large wing plate and the small wing plate are positioned on the same diameter circle, two ends of a connecting cross beam between the short main wing plate and the long main wing plate are respectively arranged at one side of the long main wing plate and one side of the large wing plate through bolts, two ends of the connecting cross beam between the two long main wing plates are respectively arranged at two corresponding sides of the long main wing plate through bolts, and the number of the connecting cross beams is six.
The technical scheme of the invention has the following beneficial technical effects:
according to the invention, the vertical shaft heading machine is gradually disassembled and transported out, so that the possibility of damage to the vertical shaft heading machine can be reduced, the labor intensity of workers is reduced, the safety of the workers is ensured, and a specific vertical shaft heading machine well drilling equipment disassembling well outlet process is provided.
According to the invention, by arranging the two large wing plates and the four small wing plates on the drill bit, the size of the disassembled drill bit can be reduced, the drill bit is convenient to transport, and the size of the drill bit after the wing plates are installed can be controlled by the design of the connecting ring and the screws, so that the drilling diameter can be adjusted.
Drawings
FIG. 1 is a schematic diagram of a shaft boring machine of the present invention;
fig. 2 is a schematic top view of the drill bit of the present invention.
The reference numerals in the drawings are as follows: 100-shaft heading machine; 101-a drill bit; 102-a machine body; 103-shoe plate; 1011-long main wing plate; 1012-short main wing plate; 1013-large wing plates; 1014-winglet panel; 1015-a connecting ring; 1016-screw; 1017-connecting cross beams; 1021-upper ring beam; 1022-lower ring beam; 1023-upright guide rails; 1024-telescopic cylinder; 1025-a gear reduction box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The well unloading process of the well drilling equipment of the shaft development machine comprises two steps of preparation pose before the shaft development machine is dismantled and the shaft development machine is dismantled.
The preparation pose before disassembling the vertical shaft heading machine comprises the following steps:
step A: adjusting the well outlet pose of the vertical well heading machine 100: guan Tingfeng water pipes, the position of the vertical shaft heading machine 100 is adjusted, so that the distance between a lower ring beam 1022 of the vertical shaft heading machine 100 and a lower wellhead is less than 50cm, a telescopic oil cylinder 1024 of the vertical shaft heading machine 100 reaches the maximum drilling travel, and a drill bit 101 can be fully exposed in a lower wellhead roadway of an outgoing vertical shaft and clear down-hole rock slag in the roadway;
and (B) step (B): adjusting the pre-disassembly pose of the vertical shaft heading machine 100: the vertical shaft boring machine 100 withdraws eight supporting shoe plates 103 to 100mm, the reverse well boring machine lifts the vertical shaft boring machine 100 to descend, the drill bit 101 of the vertical shaft boring machine 100 is slowly close to the roadway ground plane, after the drill bit 101 is in place, the vertical shaft boring machine 100 supports the four supporting shoe plates 103 of the upper ring beam 1021 to prop against the well wall, meanwhile, the reverse well boring machine still needs to lift the vertical shaft boring machine 100 and maintain pressure, the vertical shaft boring machine 100 is prevented from descending independently due to self weight and reversely pushing the drill bit 101, after the vertical shaft boring machine 100 descends to a target position, the hanging scaffold needs to be lowered along with the vertical shaft boring machine, and the distance between the bottom chassis of the lowest layer of the hanging scaffold and the upper ring beam 1021 of the vertical shaft boring machine 100 is kept at 3m.
The shaft heading machine 100 comprises a drill bit 101, a machine body 102 and a boot plate 103, wherein the machine body 102 comprises an upper ring beam 1021, a lower ring beam 1022, a column guide rail 1023, a telescopic cylinder 1024 and a gear reduction box 1025, the upper ring beam 1021 and the lower ring beam 1022 are fixedly connected through the column guide rail 1023, a cylinder body of the telescopic cylinder 1024 is fixedly arranged on the upper ring beam 1021, a free end of a piston rod of the telescopic cylinder 1024 is fixedly connected with the gear reduction box 1025, a slip ring is fixedly arranged around the gear reduction box 1025, the gear reduction box 1025 is arranged on the column guide rail 1023 through the slip ring, the gear reduction box 1025 is in driving connection with the drill bit 101 through an output main shaft, and the boot plate 103 is respectively arranged on the upper ring beam 1024 and the lower ring beam; the lower well-discharging disassembling machine of the vertical shaft heading machine comprises the following steps: the method comprises the following steps of disassembling a drill bit of a vertical shaft heading machine, disassembling a lower ring beam of the vertical shaft heading machine, disassembling a gear reduction box and a guide upright post of the vertical shaft heading machine, and disassembling an upper ring beam of the vertical shaft heading machine.
Disassembling a drill bit of a shaft heading machine, comprising the following steps:
step A: cleaning well wall pumice stones from the lowest layer of the hanging scaffold to the vertical position of 5m of the well outlet, and fully unfolding folding wings of the lowest layer of hanging scaffold;
and (B) step (B): a scaffold with the height of 1.8m is built around a drill bit 101 of a vertical shaft heading machine 100, a truck is hoisted into the ground, all wing plates of the drill bit 101 are sequentially hoisted to be connected with a cross beam 1017, hoisting and pre-tightening are carried out, bolts of the cross beam 1017 connected between all the wing plates are sequentially removed by using a torque wrench and a wind cannon machine, and a nut breaker is used for breaking and cutting the bolts which are difficult to disassemble;
step C: after the connecting beam 1017 connecting bolts are disassembled, hoisting the connecting beam 1017 onto a carriage of a scooter by a truck crane, after loading the connecting beam 1017, sequentially hoisting each large wing plate 1013 of the drill bit 101 by the truck crane, hoisting and pre-tightening, sequentially dismantling the connecting bolts of each large wing plate 1013 by using a torque wrench and a wind cannon, and carrying out damage and excision on the bolts which are difficult to disassemble by using a nut breaker;
step D: after the connection bolts of the large wing plates 1013 are disassembled, hoisting the large wing plates 1013 on a carriage of a scooter by using a truck crane, hoisting a hoisting hole of a drill bit 101 of a vertical shaft heading machine by using the truck crane and hoisting and pre-tightening the hoisting hole after the loading of the large wing plates 1013 is completed, sequentially dismantling the connection bolts of the connection flanges of each drill bit 101 by using a torque wrench and a pneumatic gun machine, and carrying out damage and excision on the bolts which are difficult to disassemble by using a nut breaker;
step E: after the connection flange of the drill bit 101 is disassembled, the screw is not pulled out of the flange connection hole temporarily, after the condition that the crane is not different is checked, the scaffold around the drill bit 101 is disassembled, after the scaffold is disassembled, the crane is discharged down to lift the drill bit 101, the telescopic oil cylinder 1024 is started, the lifting gear reduction box 1025 enables the main shaft connection flange to ascend, so that the connection position of the main shaft flange and the drill bit flange is thoroughly separated, and three conditions of the drill bit 101 can occur after the connection position of the main shaft flange and the drill bit flange is thoroughly separated: a: drill bit 101 is nearly perpendicular to the ground, b: drill bit 101 is slightly tilted to the ground, c: the drill bit 101 is laid down on the ground, if the pose of the drill bit 101 is a pose and a pose, the drill bit 101 is pulled by a truck crane, so that the drill bit 101 is a pose c finally;
step F: two similar symmetrical wing plates are connected together by a steel wire rope and a lifting ring of a lower ring beam 1022 near the bottom end of a drill bit 101, a well reversing machine lifts the well drilling machine 100 to ascend, so that a drill bit faces upwards and a flange faces downwards, 180-degree overturning of the drill bit 101 is realized, the well drilling machine 100 withdraws four support shoe plates 103 positioned on the upper ring beam 1021, the well reversing machine slowly lifts the well drilling machine 100 to ascend, the drill bit 101 slowly lies off the ground to a height of 1.5m under the lifting action of the steel wire rope, a gun car enters and enters the position right below the drill bit 101, the well reversing machine lifts the well drilling machine 100 and slowly rotates forwards and backwards, fine adjustment is carried out on the direction of the drill bit 101, after the direction of loading of the drill bit 101 is adjusted, the well reversing machine slowly lifts the well drilling machine 100 to descend, the drill bit 101 is placed on a gun carrier bearing beam with a sleeper to successfully drive out of a wire shaft after the drill bit 101 is loaded successfully.
The lower ring beam of the vertical shaft heading machine is disassembled, which comprises the following steps:
step A: the gun carriage enters the field and drives under the machine body 102, the vertical shaft heading machine 100 is lifted by the back-up drilling machine and slowly descends until the lower ring beam 1022 is close to the gun carriage spandrel girder, after the gun carriage is ensured to be uniformly distributed with the anti-skid pad, the machine body 102 can be allowed to be placed on the gun carriage spandrel girder, and at the moment, the vertical shaft heading machine 100 still needs to be lifted by the back-up drilling machine and maintained in pressure;
and (B) step (B): dismantling the explosion-proof cameras fixed on the upper surface of the lower ring beam 1022 and the lower surface of the upper ring beam 1021 by using tools such as an ordinary wrench, tightly wrapping the explosion-proof cameras by using an anti-vibration bubble bag, placing the explosion-proof cameras in a fitting box beside a gun carriage, dismantling oil cylinder pipelines of four support shoe plates 103 of the lower ring beam 1022, sequentially lifting and pre-tightening the four support shoe plates 103 by using a truck crane, simultaneously sequentially dismantling the four shoe plates 103 by using tools such as a heavy hammer, and sequentially lifting and stacking the removed shoe plates 103 beside a roadway by using the truck crane;
step C: the connecting bolts of the four upright post guide rails 1023 connected with the lower ring beam 1022 are sequentially removed by tools such as a torque wrench and a pneumatic gun machine, the bolts which are difficult to detach are damaged and cut by using a nut breaker, the upper ring beam 1021 is lifted by the back-to-well drilling machine to slowly ascend, the four upright post guide rails 1023 are thoroughly separated from the upper ring beam 1021 and the lower ring beam 1022, and after the lower ring beam 1022 is smoothly loaded, a gun carrier successfully drives out of an outgoing line shaft roadway.
Disassembling a gear reduction box and a guide upright post of a vertical shaft heading machine, comprising the following steps:
step A: the nine I-beams are divided into three groups, each group is formed by welding and combining three I-beams and is respectively fixed on three spandrel girders of a gun carriage, the gun carriage enters a field and drives under the machine body 102, the reverse well drilling machine lift shaft heading machine 100 slowly descends until the flange of the gear reduction box 1025 and the bottom surfaces of the four upright post guide rails 1023 are close to the spandrel girder surfaces of the gun carriage, after the uniform distribution of sleepers and anti-skid pads on the gun carriage is ensured, the machine body 102 can be allowed to be placed on the gun carriage, and the reverse well drilling machine still needs to lift the shaft heading machine 100 and maintain pressure at the moment;
and (B) step (B): a sleeper with proper height is arranged between a support beam of the gun carriage and the flange of the gear reduction box 1025 and the bottom surface of the upright post guide rail 1023, then the gear reduction box 1025 is subjected to oil unloading operation, so that the gear reduction box 1025 slowly descends to the preset height for sleeper bearing due to oil pressure leakage, and after the gear reduction box 1025 stably falls on the sleeper, all oil circuits and circuits of the vertical shaft heading machine 100 are removed;
step C: lifting and pre-tightening the motor of the vertical shaft heading machine 100 after the truck-mounted crane enters the field, sequentially dismantling connecting bolts of the motor and a speed reducer by using tools such as a torque wrench, a wind cannon machine and the like, and damaging and cutting target nuts by using a nut breaker aiming at the bolts which are difficult to disassemble, wherein the truck-mounted crane finishes stacking work of the motor after the motor is dismantled;
step D: the planetary reducer of the vertical shaft heading machine 100 is lifted and pre-tensioned in sequence by the truck-mounted crane, connecting bolts of the planetary reducer are removed in sequence by tools such as a torque wrench, a wind cannon machine and the like, a nut breaker can be used for destroying and cutting target nuts aiming at the bolts which are difficult to disassemble, and the truck-mounted crane is used for completing stacking work after the planetary reducer is removed;
step E: binding and fixing the gear reduction box 1025 and the upright post guide rail 1023 by using a tension hoist and a steel wire rope, and dismantling a connecting pin shaft connected with an upper cylinder of the gear reduction box 1025 and an upper ring beam 1021 by using tools such as a heavy hammer;
step F: the connecting bolts of the four upright post guide rails 1023 connected with the upper ring beam 1021 are sequentially removed by tools such as a torque wrench and a pneumatic gun machine, a nut breaker is used for destroying and cutting a target nut aiming at the bolt which is difficult to disassemble, and the reverse well drilling machine lifts the upper ring beam 1021 to slowly ascend, so that the four upright post guide rails 1023 are thoroughly separated from the upper ring beam 1021, and after the gear reduction box 1025 and the four upright post guide rails 1023 are smoothly loaded, the plate trailer successfully drives out of an outgoing shaft roadway.
The method for disassembling the upper ring beam of the vertical shaft heading machine comprises the following steps:
step A: after the gun carriage unloads the load-bearing beam tool, enter the field and drive into under the upper ring beam 1021, the inverted well drilling machine lifts the upper ring beam 1021 to slowly descend until the bottommost surface of the upper ring beam 1021 is close to the gun carriage spandrel girder, and after ensuring that anti-slip pads are uniformly distributed on the gun carriage, the upper ring beam 1021 can be allowed to be placed on the gun carriage;
and (B) step (B): the oil cylinder pipelines of the four support shoe plates 103 of the upper ring beam 1021 are removed, the four support shoe plates 103 are sequentially lifted and pre-tensioned by using a truck crane, meanwhile, the four shoe plates 103 are sequentially disassembled by using tools such as a heavy hammer, and the removed shoe plates 103 are sequentially lifted and stacked at one side of a roadway by using the truck crane;
step C: the back-well drilling machine lifts the back-well drilling rod to recover the back-well drilling rod, and after the upper ring beam 1021 and the lifting beam 300 are smoothly loaded, the gun carriage successfully drives out of the outlet shaft tunnel;
step D: the other parts of the shaft development machine 100 in the shaft lane, such as the shoe plate 103, are installed in the common loading vehicle, so that the shaft development machine 100 can safely exit the outgoing shaft traffic hole, and the complete machine of the shaft development machine 100 is completely disassembled after the shaft is discharged from the shaft.
As shown in fig. 1-2, drill bit 101 includes long main wing 1011, short main wing 1012, large wing 1013, small wing 1014, connecting ring 1015, screw 1016, and connecting beam 1017; the long main wing plates 1011 and the short main wing plates 1012 form the main body of the drill bit 101 together, the number of the long main wing plates 1011 is two, the two long main wing plates 1011 are symmetrically designed about the central axis of the drill bit, the number of the short main wing plates 1012 is four, the four short main wing plates 1012 are uniformly and symmetrically designed about the two long main wing plates 1011, the two long main wing plates 1011 and the two short main wing plates 1012 are coaxially and uniformly distributed, and the connecting ring 1015 is integrally arranged at the outer edge positions of the outer ends of the long main wing plates 1011 and the short main wing plates 1012; the connection ring 1015 is integrally installed at the outer edges of the large wing plate 1013 and the small wing plate 1014 having a larger cross-sectional area, the large wing plate 1013 is installed at the outer end of the short main wing plate 1012 through the connection ring 1015 and the screw 1016, the small wing plate 1014 is installed at the outer end of the long main wing plate 1011 through the connection ring 1015 and the screw 1016, the outer ends of the large wing plate 1013 and the small wing plate 1014 are located on the same diameter circle after the large wing plate 1013 and the small wing plate 1014 are installed, both ends of the connection beam 1017 located between the short main wing plate 1012 and the long main wing plate 1011 are installed at one side of the long main wing plate 1011 and one side of the large wing plate 1013 through bolts, both ends of the connection beam 1017 located between the two long main wing plates 1011 are installed at one side corresponding to the two long main wing plates 1011 through bolts, and the number of the connection beams 1017 is six.
Working principle: the device has the advantages that the possibility that the shaft heading machine 100 is damaged can be reduced by gradually disassembling and transporting the shaft heading machine 100, the labor intensity of workers is reduced, the safety of the workers is ensured, a specific set of shaft heading machine 100 well sinking equipment disassembling and well discharging process is provided, the size of the disassembled drill bit 101 can be reduced by arranging the two large wing plates 1013 and the four small wing plates 1014 on the drill bit 101, the transportation is convenient, and the size of the drill bit 101 after the wing plates are installed can be controlled by the design of the connecting rings 1015 and the screws 1016, so that the drilling diameter can be adjusted.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While the obvious variations or modifications which are extended therefrom remain within the scope of the claims of this patent application.
Claims (7)
1. The well unloading process of the well drilling equipment of the shaft development machine is characterized by comprising two large steps of preparation pose before the shaft development machine is dismantled and unloading and dismantling of the shaft development machine;
the preparation pose before disassembling the vertical shaft heading machine comprises the following steps:
step A: adjusting the well outlet pose of the vertical shaft heading machine (100): guan Tingfeng water pipes are used for adjusting the position of the vertical shaft heading machine (100) to enable the distance between a lower ring beam (1022) of the vertical shaft heading machine (100) and a lower wellhead to be less than 50cm, a telescopic oil cylinder (1024) of the vertical shaft heading machine (100) reaches the maximum drilling travel, and a drill bit (101) can be fully exposed in a lower wellhead roadway of an outgoing vertical shaft and clear underground rock slag in the roadway;
and (B) step (B): adjusting the pose of a pre-dismantling machine of the vertical shaft heading machine (100): the vertical shaft heading machine (100) is retracted with eight supporting shoe plates (103) to 100mm, the vertical shaft heading machine (100) is lifted by the reverse well drilling machine to descend, a drill bit (101) of the vertical shaft heading machine (100) is slowly close to a roadway ground plane, after the drill bit (101) is in place, the vertical shaft heading machine (100) supports four supporting shoe plates (103) of an upper ring beam (1021) to prop against a well wall, meanwhile the reverse well drilling machine still needs to lift the vertical shaft heading machine (100) and maintain pressure, the vertical shaft heading machine (100) is prevented from independently descending by self weight to reversely prop against the drill bit (101), after the vertical shaft heading machine (100) descends to a target position, a lifting disc needs to be lowered along, and the distance between the bottom plate of the lowest layer of the lifting disc and the upper ring beam (1021) of the vertical shaft heading machine (100) is kept at 3m.
2. The process for dismantling shaft boring equipment of a shaft boring machine according to claim 1, wherein the shaft boring machine (100) comprises a drill bit (101), a machine body (102) and a shoe plate (103), the machine body (102) comprises an upper ring beam (1021), a lower ring beam (1022), a stand rail (1023), a telescopic cylinder (1024) and a gear reduction box (1025), the upper ring beam (1021) and the lower ring beam (1022) are fixedly connected through the stand rail (1023), a cylinder body of the telescopic cylinder (1024) is fixedly arranged on the upper ring beam (1021), a free end of a piston rod of the telescopic cylinder (1024) is fixedly connected with the gear reduction box (1025), a slip ring is fixedly arranged around the gear reduction box (1025), the gear reduction box (1025) is arranged on the stand rail (1023) through the slip ring, the gear reduction box (1025) is in driving connection with the drill bit (101) through an output spindle, and the shoe plate (103) is respectively arranged on the upper ring beam (1024) and the lower ring beam; the lower well discharging disassembling machine of the vertical shaft heading machine comprises the following steps: the method comprises the following steps of disassembling a drill bit of a vertical shaft heading machine, disassembling a lower ring beam of the vertical shaft heading machine, disassembling a gear reduction box and a guide upright post of the vertical shaft heading machine, and disassembling an upper ring beam of the vertical shaft heading machine.
3. The process for dismantling a well out of a shaft boring machine well drilling equipment according to claim 2, wherein the dismantling of the shaft boring machine drill bit comprises the steps of:
step A: cleaning well wall pumice stones from the lowest layer of the hanging scaffold to the vertical position of 5m of the well outlet, and fully unfolding folding wings of the lowest layer of hanging scaffold;
and (B) step (B): a scaffold with the height of 1.8m is built around a drill bit (101) of a vertical shaft heading machine (100), a truck is hoisted into the ground, all wing plates of the drill bit (101) are sequentially hoisted to be connected with a cross beam (1017) and are hoisted and pre-tensioned, bolts of the cross beam (1017) connected between all the wing plates are sequentially removed by a torque wrench and a wind cannon machine, and the bolts which are difficult to detach are damaged and cut by a nut breaker;
step C: after the connecting beam (1017) connecting bolts are disassembled, hoisting the connecting beam (1017) onto a carriage of a scooter by using a truck crane, after the connecting beam (1017) is loaded, sequentially hoisting each large wing plate (1013) of a drill bit (101) by using the truck crane, hoisting and pre-tightening, sequentially dismantling the connecting bolts of each large wing plate (1013) by using a torque wrench and a wind cannon machine, and carrying out damage cutting on the bolts which are difficult to disassemble by using a nut breaker;
step D: after the connection bolts of the large wing plates (1013) are disassembled, hoisting the large wing plates (1013) on a carriage of a scooter by using a truck crane, hoisting a hoisting hole of a drill bit (101) of a vertical shaft heading machine by using the truck crane and hoisting and pre-tightening the hoisting hole after the loading of the large wing plates (1013) is completed, sequentially dismantling the connection bolts of the connection flanges of all the drill bits (101) by using a torque wrench and a wind cannon, and carrying out damage and excision on the bolts which are difficult to disassemble by using a nut breaker;
step E: after the disassembly of the connecting flange of the drill bit (101) is finished, the screw is not pulled out of the flange connecting hole temporarily, after the inspection of the truck-mounted crane, the scaffold around the drill bit (101) is removed, after the scaffold is removed, the truck-mounted crane leaks down the lifting force of the drill bit (101), the telescopic oil cylinder (1024) is started, the lifting gear reduction box (1025) enables the main shaft connecting flange to ascend, so that the main shaft flange is thoroughly separated from the connecting position of the main shaft flange, and three situations can occur to the drill bit (101) after the main shaft flange is thoroughly separated from the connecting position of the main shaft flange: a: the drill bit (101) is approximately perpendicular to the ground, b: drill bit (101) is slightly inclined to the ground, c: the drill bit (101) is laid down on the ground, if the pose of the drill bit (101) is a pose and a pose, the drill bit (101) is required to be pulled by a truck crane, so that the drill bit (101) is a pose of c finally;
step F: two similar symmetrical wing plates are close to two lifting holes at the bottom end of a drill bit (101) and are connected together through a steel wire rope and a lifting ring of a lower ring beam (1022), a back-well drill lifts the vertical shaft heading machine (100) to move upwards, a drill bit cone head faces upwards and a flange faces downwards, 180-degree overturning of the drill bit (101) is achieved, the vertical shaft heading machine (100) withdraws four support shoe plates (103) located on the upper ring beam (1021), the back-well drill slowly lifts the vertical shaft heading machine (100) to move upwards, the drill bit (101) slowly falls to a height of 1.5m under the lifting action of the steel wire rope, a gun car enters the field and enters the position right below the drill bit (101), the back-well drill lifts the vertical shaft heading machine (100) and slowly rotates forwards and backwards, the direction of the drill bit (101) is finely adjusted, the back-well drill slowly lifts the vertical shaft heading machine (100) to move downwards, the drill bit (101) is placed on a cushion wood, the gun car is successfully lifted, and the gun car is successfully lifted out of a roadway.
4. The process for dismantling a well out of a shaft boring machine well drilling equipment according to claim 2, wherein the dismantling of the shaft boring machine lower ring beam comprises the steps of:
step A: the gun carriage enters the field and drives under the machine body (102), the vertical shaft heading machine (100) is lifted by the back-up drilling machine to slowly descend until the lower ring beam (1022) is close to the gun carriage spandrel girder, after the gun carriage is ensured to be uniformly distributed with the anti-slip pad, the machine body (102) can be allowed to be placed on the gun carriage spandrel girder, and at the moment, the vertical shaft heading machine (100) still needs to be lifted by the back-up drilling machine and pressure is maintained;
and (B) step (B): dismantling explosion-proof cameras fixed on the upper surface of a lower ring beam (1022) and the lower surface of an upper ring beam (1021) by using tools such as an ordinary wrench, tightly wrapping the explosion-proof cameras by using an anti-vibration bubble bag, placing the anti-vibration cameras in a accessory box beside a gun carriage, dismantling oil cylinder pipelines of four support shoe plates (103) of the lower ring beam (1022), sequentially lifting and pre-tightening the four support shoe plates (103) by using a truck crane, simultaneously sequentially dismantling the four shoe plates (103) by using tools such as a heavy hammer, and sequentially lifting and stacking the dismantled shoe plates (103) beside a roadway by using the truck crane;
step C: the connecting bolts of the four upright post guide rails (1023) connected with the lower ring beam (1022) are sequentially removed by tools such as a torque wrench and a pneumatic gun machine, the bolts which are difficult to detach are damaged and cut by using a nut breaker, and the upper ring beam (1021) is lifted and lifted by the reverse well drilling machine to slowly go upwards, so that the four upright post guide rails (1023) are thoroughly separated from the upper ring beam (1021) and the lower ring beam (1022), and after the lower ring beam (1022) is smoothly loaded, a gun carriage successfully drives out of an outgoing line shaft roadway.
5. The process for dismantling a well from a shaft boring machine well drilling equipment according to claim 2, wherein the dismantling of the shaft boring machine gear reduction box and the guide upright post comprises the following steps:
step A: the nine I-beams are evenly divided into three groups, each group is formed by welding and combining three I-beams and is respectively fixed on three spandrel girders of a gun carriage, the gun carriage enters a field and drives under a machine body (102), a reverse well drilling machine lifts a vertical shaft heading machine (100) to slowly descend until the bottom surfaces of a gear reduction box (1025) flange and four upright post guide rails (1023) are close to the spandrel girder surfaces of the gun carriage, after the gun carriage is ensured to be evenly distributed with sleepers and anti-skid mats, the machine body (102) can be allowed to be placed on the gun carriage, and the reverse well drilling machine still needs to lift the vertical shaft heading machine (100) and maintain pressure;
and (B) step (B): a sleeper with proper height is arranged between a support beam of the gun carrier and the flange plate of the gear reduction box (1025) and the bottom surface of the upright post guide rail (1023), then the gear reduction box (1025) is subjected to oil unloading operation, so that the gear reduction box (1025) slowly descends to the preset height for sleeper bearing due to oil pressure leakage, and after the gear reduction box (1025) stably falls on the sleeper, all oil ways and circuits of the vertical shaft heading machine (100) are removed;
step C: lifting and pre-tightening a motor of a vertical shaft heading machine (100) after a truck crane enters a field, sequentially dismantling connecting bolts of the motor and a speed reducer by using tools such as a torque wrench, a wind cannon machine and the like, and carrying out damage and excision on a target nut by using a nut breaker aiming at the bolt which is difficult to disassemble, wherein the truck crane finishes stacking work of the motor after the motor is dismantled;
step D: the planetary reducer of the vertical shaft heading machine (100) is lifted and pre-tightened by the truck-mounted crane in sequence, connecting bolts of the planetary reducer are removed by tools such as a torque wrench, a wind cannon machine and the like in sequence, a nut breaker can be used for destroying and cutting a target nut aiming at the bolts which are difficult to disassemble, and the truck-mounted crane is used for completing stacking work after the planetary reducer is removed;
step E: binding and fixing a gear reduction box (1025) and an upright post guide rail (1023) by using a tension hoist and a steel wire rope, and disassembling a connecting pin shaft connected with an upper cylinder and an upper ring beam (1021) on the gear reduction box (1025) by using tools such as a heavy hammer;
step F: the connecting bolts of the four upright post guide rails (1023) connected with the upper ring beam (1021) are sequentially dismantled by tools such as a torque wrench and a pneumatic gun machine, a nut breaker is used for destroying and cutting a target nut aiming at the bolt which is difficult to disassemble, and the reverse well drilling machine lifts the upper ring beam (1021) to slowly go upwards, so that the four upright post guide rails (1023) are thoroughly separated from the upper ring beam (1021), and after the gear reduction box (1025) and the four upright post guide rails (1023) are smoothly loaded, the plate trailer successfully drives out of an outgoing shaft roadway.
6. The process for dismantling a well out of a shaft boring machine well drilling equipment according to claim 2, wherein the dismantling of the upper ring beam of the shaft boring machine comprises the steps of:
step A: after the gun carriage is disassembled from the bearing beam tool, entering the field and driving into the position right below the upper ring beam (1021), and lifting the upper ring beam (1021) by the back-to-well drilling machine to slowly descend until the bottommost surface of the upper ring beam (1021) is close to the gun carriage bearing beam, so that after anti-skid pads are uniformly distributed on the gun carriage, the upper ring beam (1021) can be allowed to be placed on the gun carriage;
and (B) step (B): the oil cylinder pipelines of the four support shoe plates (103) of the upper ring beam (1021) are removed, the four support shoe plates (103) are sequentially lifted and pre-tensioned by using a truck-mounted crane, meanwhile, the four shoe plates (103) are sequentially disassembled by using tools such as a heavy hammer, and then the removed shoe plates (103) are sequentially lifted and stacked beside a roadway by using the truck-mounted crane;
step C: pulling a back-well drill rod by the back-well drill machine to recover the back-well drill rod, and successfully driving a gun carrier out of an outgoing line shaft tunnel after the upper ring beam (1021) is smoothly loaded;
step D: the other parts of the shaft development machine (100) in the shaft way, such as the shoe plate (103), are installed in the common loading vehicle, so that the shaft development machine (100) can safely exit the outgoing shaft traffic hole, and the complete machine of the shaft development machine (100) is completely disassembled after the shaft is discharged from the shaft.
7. The shaft boring machine drilling equipment demolition out process according to claim 2, characterized in that the drill bit (101) comprises long main wing plates (1011), short main wing plates (1012), large wing plates (1013), small wing plates (1014), connecting rings (1015), screws (1016) and connecting beams (1017);
the long main wing plates (1011) and the short main wing plates (1012) form a main body of the drill bit (101), the number of the long main wing plates (1011) is two, the two long main wing plates (1011) are symmetrically designed around the central axis of the drill bit, the number of the short main wing plates (1012) is four, the four short main wing plates (1012) are uniformly and symmetrically designed around the two long main wing plates (1011), the two long main wing plates (1011) and the two short main wing plates (1012) are coaxially and uniformly distributed, and the connecting ring (1015) is integrally arranged at the outer edge positions of the outer ends of the long main wing plates (1011) and the short main wing plates (1012); the connecting ring (1015) is integrally installed on the outer edge of one side with larger cross section of the large wing plate (1013) and the small wing plate (1014), the large wing plate (1013) is installed on the outer end of the short main wing plate (1012) through the connecting ring (1015) and the screw (1016), the small wing plate (1014) is installed on the outer end of the long main wing plate (1011) through the connecting ring (1015) and the screw (1016), after the large wing plate (1013) and the small wing plate (1014) are installed, the outer ends of the large wing plate (1013) and the small wing plate (1014) are located on the same diameter circle, two ends of a connecting cross beam (1017) located between the short main wing plate (1012) and the long main wing plate (1011) are installed on one side of the long main wing plate (1011) and one side of the large wing plate (1013) through bolts respectively, two ends of the connecting cross beam (1017) located between the two long main wing plates (1011) are installed on one side of the corresponding six cross beams (1017) respectively.
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| CN116084954B (en) * | 2023-03-06 | 2023-06-16 | 陕西延长石油矿业有限责任公司 | Mine intelligent well construction method |
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