CN115584942A - Stratum coring device for sealing and backfilling abandoned water taking well - Google Patents
Stratum coring device for sealing and backfilling abandoned water taking well Download PDFInfo
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- CN115584942A CN115584942A CN202211575686.8A CN202211575686A CN115584942A CN 115584942 A CN115584942 A CN 115584942A CN 202211575686 A CN202211575686 A CN 202211575686A CN 115584942 A CN115584942 A CN 115584942A
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- 238000007789 sealing Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 239000002351 wastewater Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 14
- 230000002457 bidirectional effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/0411—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for anchoring tools or the like to the borehole wall or to well tube
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a well sealing and backfilling technology of a waste water taking well, in particular to a stratum core remover for backfilling the sealing of the waste water taking well. The invention solves the problems of inaccurate positioning and high positioning cost of the existing water-resisting layer positioning method. A stratum corer for waste water taking well sealing backfill comprises a shell, a guide beam, a rack, a remote control motor, a core bit, a pivot, a planetary gear, a support column, a liquid guide cavity, a liquid guide pipe, an end cover, a fastening bolt, a central pipe, a sun gear, an upper ribbed plate, a lower ribbed plate and a rubber sleeve, wherein the guide beam is arranged on the shell; wherein the shell is of a round cup-shaped structure with an upward cup opening; the lower part of the side wall of the shell is provided with four groups of guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; each group of guide holes A comprises four guide holes A which are equidistantly and parallelly arranged from top to bottom; the axial line of each guide hole A is vertical to the different surface of the axial line of the shell; the upper part of the side wall of the shell is provided with four liquid guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way. The invention is suitable for the well sealing backfill of the abandoned water taking well.
Description
Technical Field
The invention relates to a well sealing and backfilling technology of a waste water taking well, in particular to a stratum core remover for backfilling the sealing of the waste water taking well.
Background
In the process of backfilling the sealing well of the abandoned water extraction well, if stratum cross contamination outside the well wall pipe is to be prevented (namely, the contamination in the upper aquifer is prevented from entering the lower water extraction layer through the annular space between the well wall pipe and the stratum), the water barrier layer needs to be positioned first, and then the annular space between the well wall pipe and the water barrier layer needs to be plugged by grouting. However, under the prior art, if positioning the water-resisting layer, it can only be realized by using a data consulting method (consulting the construction data remained during well drilling) or a drilling coring method (drilling deep holes and coring around the abandoned water-taking well). Practice shows that the data consulting method is easy to cause inaccurate positioning due to missing or wrong construction data, and the drilling and coring method causes high positioning cost due to high drilling cost. Therefore, the invention is needed to provide the stratum core taking device for waste water taking well sealing and backfilling, so as to solve the problems of inaccurate positioning and high positioning cost of the existing water-resisting stratum positioning method.
Disclosure of Invention
The invention provides a stratum core remover for sealing and backfilling a waste water taking well, aiming at solving the problems of inaccurate positioning and high positioning cost of the existing water-resisting layer positioning method.
The invention is realized by adopting the following technical scheme:
a stratum corer for waste water taking well sealing backfill comprises a shell, a guide beam, a rack, a remote control motor, a core bit, a pivot, a planetary gear, a support column, a liquid guide cavity, a liquid guide pipe, an end cover, a fastening bolt, a central pipe, a sun gear, an upper rib plate, a lower rib plate and a rubber sleeve;
wherein the shell is of a round cup-shaped structure with an upward cup opening; the lower part of the side wall of the shell is provided with four groups of guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; each group of guide holes A comprises four guide holes A which are arranged in parallel at equal intervals from top to bottom; the axial line of each guide hole A is vertical to the different surface of the axial line of the shell; the upper part of the side wall of the shell is provided with four liquid guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; the upper end surface of the shell is provided with four blind screw holes which are arranged at equal intervals along the circumferential direction;
the number of the guide beams is four groups; each group of guide beams comprises four guide beams which are equidistantly and parallelly arranged from top to bottom; the axis of each guide beam is perpendicular to the different surface of the axis of the shell, and two ends of each guide beam are fixed on the inner side surface of the shell; the four groups of guide beams are arranged at equal intervals along the circumferential direction;
the number of the racks is four groups; each group of racks comprises four racks which are arranged in parallel at equal intervals from top to bottom; the axis of each rack is perpendicular to the different surface of the axis of the shell, and the end surface of each rack is provided with a guide hole B in a penetrating way; the four groups of racks are slidably assembled on the side surfaces of the four groups of guide beams in a one-to-one correspondence manner through respective guide holes B;
the number of the remote control motors is four groups; each group of remote control motors comprises four remote control motors which are arranged in parallel at equal intervals from top to bottom; the axis of each remote control motor is vertical to the different surface of the axis of the shell; the bases of the four groups of remote control motors are fixed on the back surfaces of the four groups of racks in a one-to-one correspondence manner;
the number of the coring bits is four; each group of coring bits comprises four coring bits which are equidistantly and parallelly arranged from top to bottom; the axis of each coring bit is perpendicular to the different planes of the axis of the shell; the four groups of coring bits movably penetrate through the four groups of guide holes A in a one-to-one correspondence manner, and the tail ends of the four groups of coring bits are connected with output shafts of the four groups of remote control motors in a one-to-one correspondence manner;
the number of the pivots is four; the four pivots are vertically fixed on the edge of the inner bottom surface of the shell and are arranged at equal intervals along the circumferential direction; the upper part of the side surface of each pivot is fixedly provided with a bearing A; the lower part of the side surface of each pivot is fixedly provided with a bearing B;
the number of the planet gears is four, and the four planet gears are all long gears; the upper ends of the inner hole wall of the four planet gears are fixedly matched with the outer side surfaces of the outer rings of the four bearings A in a one-to-one correspondence manner; the lower ends of the inner hole walls of the four planet gears are fixedly matched with the outer side surfaces of the outer rings of the four bearings B in a one-to-one correspondence manner; the four planet gears are respectively meshed with the four groups of racks;
the support column is vertically fixed in the center of the inner bottom surface of the shell;
the liquid guide cavity is of a circular cup-shaped structure with an upward cup opening, and is supported and fixed on the upper end face of the support column; the side wall of the liquid guide cavity is provided with four liquid guide holes B which are arranged at equal intervals along the circumferential direction in a penetrating way, and the four liquid guide holes B are opposite to the four liquid guide holes A one by one;
the number of the liquid guide pipes is four; the head ends of the four liquid guide pipes are in one-to-one corresponding sealing communication with the four liquid guide holes B; the tail ends of the four liquid guide pipes are in one-to-one corresponding sealing communication with the four liquid guide holes A;
the end cover is sealed on the cup mouth of the shell; the center of the end surface of the end cover is provided with a center hole in a through way; the edge of the end face of the end cover is provided with four assembling holes which are arranged at equal intervals along the circumferential direction in a penetrating way, and the four assembling holes are opposite to the four blind screw holes one by one;
the number of the fastening bolts is four; the four fastening bolts penetrate through the four assembling holes in a one-to-one correspondence manner, and the tail ends of the four fastening bolts are screwed in the four blind screw holes in a one-to-one correspondence manner; the heads of the four fastening bolts press the upper end face of the end cover;
the lower part of the outer side surface of the central pipe is fixedly provided with a bearing C, and the outer side surface of the outer ring of the bearing C is fixedly matched with the hole wall of the central hole; the lower end surface of the central tube is in running fit with the upper end surface of the liquid guide cavity, and labyrinth seal is arranged between the lower end surface of the central tube and the upper end surface of the liquid guide cavity;
the sun gear is fixedly assembled at the lower part of the outer side surface of the central tube and is positioned below the bearing C; the sun gear is meshed with the four planet gears simultaneously;
the upper rib plate is of a circular structure, and the outer edge of the upper rib plate is bent downwards to form a lower folded edge; the inner side surface of the upper rib plate is hermetically fixed with the upper part of the outer side surface of the shell, and the upper rib plate is positioned above the four liquid guide holes A;
the lower ribbed plate is of a circular structure, and the outer edge of the lower ribbed plate is bent upwards to form an upper folded edge; the inner side surface of the lower ribbed plate is fixed with the upper part of the outer side surface of the shell in a sealing way, and the lower ribbed plate is positioned below the four liquid guide holes A;
the rubber sleeve is of a circular tubular structure; the upper end of the outer side surface of the rubber sleeve is hermetically fixed with the inner side surface of the lower folded edge of the upper rib plate; the lower end of the outer side surface of the rubber sleeve is hermetically fixed with the inner side surface of the upper folded edge of the lower rib plate; the upper rib plate, the lower rib plate, the rubber sleeve and the shell are enclosed together to form a hydraulic cavity, and the hydraulic cavity is simultaneously communicated with the four liquid guide holes A.
When the drilling machine is used, a drilling machine and a bidirectional hydraulic pump are arranged on the ground, a drill rod of the drilling machine is connected with the upper end of the central pipe, and a liquid guide port of the bidirectional hydraulic pump is communicated with the upper end of the central pipe in a sealing mode through a hose. Ground workers hold the remote control transmitter, and the remote control transmitter is in wireless connection with the remote control receivers of the four groups of remote control motors.
The specific using process is as follows: firstly, the invention is lowered into the well wall pipe of the abandoned water-taking well by a drilling machine. And then, controlling the bidirectional hydraulic pump to rotate in the forward direction, and enabling oil output by the bidirectional hydraulic pump to sequentially enter the hydraulic cavity through the central pipe, the liquid guide cavity, the four liquid guide holes B, the four liquid guide pipes and the four liquid guide holes A, so that the rubber sleeve is subjected to expansion deformation and forms a contact surface with a well wall pipe, and the well wall pipe is seated in the invention. Then, the ground worker sends a control signal to the remote control receivers of the four groups of remote control motors through the remote control transmitter, so that the four groups of remote control motors rotate. Under the drive of four groups of remote control motors, four groups of core bits rotate. And then, controlling the drilling machine to rotate slowly in the forward direction. Under the drive of the drilling machine, the central pipe rotates forwards and slowly, and drives the sun gear to rotate forwards and slowly. Under the drive of the sun gear, the four planet gears rotate slowly in the reverse direction and drive the four groups of racks to move slowly in the forward direction along the four groups of guide beams. Under the drive of the four groups of racks, the four groups of remote control motors move slowly in the positive direction and drive the four groups of core bits to move slowly in the positive direction, and the four groups of core bits firstly drill through the well wall pipe and then drill into the stratum, so that the stratum core sample is obtained. Then, the surface worker sends a control signal to the remote control receivers of the four groups of remote control motors through the remote control transmitter, so that the four groups of remote control motors stop rotating, and the four groups of core bits stop rotating. And then, controlling the drilling machine to rotate slowly in the reverse direction. Under the drive of the drilling machine, the central tube rotates reversely and slowly, and drives the sun gear to rotate reversely and slowly. Under the drive of the sun gear, the four planet gears rotate slowly in the forward direction and drive the four groups of racks to move slowly in the reverse direction along the four groups of guide beams. Under the drive of the four groups of racks, the four groups of remote control motors move slowly in the reverse direction and drive the four groups of core bits to move slowly in the reverse direction, and the four groups of core bits take the stratum core sample to return to the borehole wall pipe. Then, the bidirectional hydraulic pump is controlled to rotate reversely, oil in the hydraulic cavity sequentially enters the bidirectional hydraulic pump through the four liquid guide holes A, the four liquid guide pipes, the four liquid guide holes B, the liquid guide cavity and the central pipe, so that the rubber sleeve is reset and leaves the well wall pipe, and the invention is unsealed. And finally, lifting the device to the ground by using a drilling machine, judging the lithology of the stratum according to the stratum core sample brought back by the device, and then accurately finding the water-resisting layer according to the lithology of the stratum, thereby realizing the accurate positioning of the water-resisting layer.
Based on the process, the stratum core taker for the abandoned water taking well sealing and backfilling realizes the acquisition of a stratum core sample through a well wall pipe by adopting a brand new structure, and realizes the accurate positioning of a water-resisting layer on the basis of the acquisition of the stratum core sample. Compared with the existing water-resisting layer positioning method, the method for positioning the water-resisting layer has the advantages that the positioning is more accurate, and the positioning cost is lower.
The invention has reasonable structure and ingenious design, effectively solves the problems of inaccurate positioning and high positioning cost of the existing water-resisting layer positioning method, and is suitable for backfilling the sealed well of the abandoned water-taking well.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1.
Fig. 4 is a cross-sectional view C-C of fig. 1.
Fig. 5 is a use state reference diagram of the present invention.
Fig. 6 is a cross-sectional view D-D of fig. 5.
Fig. 7 is a cross-sectional view E-E of fig. 5.
Fig. 8 is a sectional view F-F of fig. 5.
Fig. 9 is a partial schematic view of the structure of fig. 1.
Fig. 10 is a bottom view of fig. 9.
Fig. 11 is a partial structural schematic of fig. 9.
Fig. 12 is a bottom view of fig. 11.
Fig. 13 is a partial schematic view of fig. 11.
Fig. 14 is a bottom view of fig. 13.
FIG. 15 is a schematic view of the structure of the upper rib, the lower rib and the rubber sleeve of the present invention.
Fig. 16 is a sectional view taken along line G-G of fig. 15.
FIG. 17 is a schematic diagram of the construction of the central tube and drainage lumens of the present invention.
In the figure: 1-shell, 2-guide beam, 3-rack, 4-remote control motor, 5-coring bit, 6-pivot, 7-planetary gear, 8-support column, 9-liquid guide cavity, 10-liquid guide tube, 11-end cover, 12-fastening bolt, 13-central tube, 14-sun gear, 15-upper ribbed plate, 16-lower ribbed plate, 17-rubber sleeve, 18-bearing A, 19-bearing B and 20-bearing C.
Detailed Description
A abandoned water taking well sealing backfill stratum corer comprises a shell 1, a guide beam 2, a rack 3, a remote control motor 4, a coring bit 5, a pivot 6, a planetary gear 7, a support column 8, a liquid guide cavity 9, a liquid guide pipe 10, an end cover 11, a fastening bolt 12, a central pipe 13, a sun gear 14, an upper rib plate 15, a lower rib plate 16 and a rubber sleeve 17;
wherein, the shell 1 is a round cup-shaped structure with an upward cup mouth; the lower part of the side wall of the shell 1 is provided with four groups of guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; each group of guide holes A comprises four guide holes A which are equidistantly and parallelly arranged from top to bottom; the axis of each guide hole A is vertical to the different surface of the axis of the shell 1; the upper part of the side wall of the shell 1 is provided with four liquid guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; the upper end surface of the shell 1 is provided with four blind screw holes which are arranged at equal intervals along the circumferential direction;
the number of the guide beams 2 is four groups; each group of guide beams 2 comprises four guide beams 2 which are arranged in parallel at equal intervals from top to bottom; the axis of each guide beam 2 is perpendicular to the different plane of the axis of the shell 1, and two ends of each guide beam 2 are fixed on the inner side surface of the shell 1; the four groups of guide beams 2 are arranged at equal intervals along the circumferential direction;
the number of the racks 3 is four; each group of racks 3 comprises four racks 3 which are equidistantly and parallelly arranged from top to bottom; the axis of each rack 3 is vertical to the different surface of the axis of the shell 1, and the end surface of each rack 3 is provided with a guide hole B in a penetrating way; the four groups of racks 3 are slidably assembled on the side surfaces of the four groups of guide beams 2 through respective guide holes B in a one-to-one correspondence manner;
the number of the remote control motors 4 is four groups; each group of remote control motors 4 comprises four remote control motors 4 which are arranged in parallel at equal intervals from top to bottom; the axial line of each remote control motor 4 is vertical to the different surface of the axial line of the shell 1; bases of the four groups of remote control motors 4 are fixed on the back surfaces of the four groups of racks 3 in a one-to-one correspondence manner;
the number of the coring bits 5 is four; each group of coring bits 5 comprises four coring bits 5 which are equidistantly and parallelly arranged from top to bottom; the axis of each coring bit 5 is perpendicular to the different plane of the axis of the shell 1; the four groups of coring bits 5 movably penetrate through the four groups of guide holes A in a one-to-one correspondence manner, and the tail ends of the four groups of coring bits 5 are connected with output shafts of the four groups of remote control motors 4 in a one-to-one correspondence manner;
the number of the pivots 6 is four; the four pivot shafts 6 are vertically fixed on the edge of the inner bottom surface of the shell 1, and the four pivot shafts 6 are arranged at equal intervals along the circumferential direction; the upper part of the side surface of each pivot 6 is fixedly provided with a bearing A18; the lower part of the side surface of each pivot 6 is fixedly provided with a bearing B19;
the number of the planet gears 7 is four, and the four planet gears 7 are all long gears; the upper ends of the inner hole walls of the four planet gears 7 are fixedly matched with the outer side surfaces of the outer rings of the four bearings A18 in a one-to-one correspondence manner; the lower ends of the inner hole walls of the four planet gears 7 are fixedly matched with the outer side surfaces of the outer rings of the four bearings B19 in a one-to-one correspondence manner; the four planet gears 7 are respectively meshed with the four groups of racks 3;
the support column 8 is vertically fixed at the center of the inner bottom surface of the shell 1;
the liquid guide cavity 9 is of a round cup-shaped structure with an upward cup opening, and the liquid guide cavity 9 is supported and fixed on the upper end surface of the support column 8; the side wall of the liquid guide cavity 9 is provided with four liquid guide holes B which are arranged equidistantly along the circumferential direction in a penetrating way, and the four liquid guide holes B are opposite to the four liquid guide holes A one by one;
the number of the liquid guiding tubes 10 is four; the head ends of the four liquid guide pipes 10 are correspondingly communicated with the four liquid guide holes B in a sealing way; the tail ends of the four liquid guide pipes 10 are in one-to-one corresponding sealing communication with the four liquid guide holes A;
the end cover 11 is covered on the cup mouth of the shell 1; the center of the end surface of the end cover 11 is provided with a center hole in a through way; the edge of the end face of the end cover 11 is provided with four assembling holes which are arranged at equal intervals along the circumferential direction in a penetrating way, and the four assembling holes are opposite to the four blind screw holes one by one;
the number of the fastening bolts 12 is four; the four fastening bolts 12 penetrate through the four assembling holes in a one-to-one correspondence manner, and the tail ends of the four fastening bolts 12 are screwed in the four blind screw holes in a one-to-one correspondence manner; the heads of the four fastening bolts 12 are all pressed on the upper end surface of the end cover 11;
a bearing C20 is fixedly assembled at the lower part of the outer side surface of the central tube 13, and the outer side surface of the outer ring of the bearing C20 is fixedly matched with the hole wall of the central hole; the lower end face of the central tube 13 is in running fit with the upper end face of the liquid guide cavity 9, and a labyrinth seal is arranged between the lower end face of the central tube 13 and the upper end face of the liquid guide cavity 9;
the sun gear 14 is fixedly assembled at the lower part of the outer side surface of the central tube 13, and the sun gear 14 is positioned below the bearing C20; the sun gear 14 meshes with the four planet gears 7 simultaneously;
the upper rib plate 15 is of a circular structure, and the outer edge of the upper rib plate 15 is bent downwards to form a lower folded edge; the inner side surface of the upper rib plate 15 is fixed with the upper part of the outer side surface of the shell 1 in a sealing way, and the upper rib plate 15 is positioned above the four liquid guide holes A;
the lower ribbed plate 16 is of a circular structure, and the outer edge of the lower ribbed plate 16 is bent upwards to form an upper folded edge; the inner side surface of the lower rib plate 16 is fixed with the upper part of the outer side surface of the shell 1 in a sealing way, and the lower rib plate 16 is positioned below the four liquid guide holes A;
the rubber sleeve 17 is of a circular tubular structure; the upper end of the outer side surface of the rubber sleeve 17 is fixed with the inner side surface of the lower folded edge of the upper rib plate 15 in a sealing way; the lower end of the outer side surface of the rubber sleeve 17 is fixed with the inner side surface of the upper folded edge of the lower ribbed plate 16 in a sealing way; the upper rib plate 15, the lower rib plate 16, the rubber sleeve 17 and the shell 1 jointly enclose to form a hydraulic cavity, and the hydraulic cavity is communicated with the four liquid guide holes A simultaneously.
The shell 1, the guide beam 2, the pivot 6, the support column 8, the liquid guide cavity 9, the liquid guide pipe 10, the end cover 11, the central pipe 13, the upper rib plate 15 and the lower rib plate 16 are all made of steel; the coring bit 5 is made of alloy; the rubber sleeve 17 is made of rubber containing steel wires.
The cross section of the guide beam 2 and the cross section of the guide hole B are both rectangular.
The outer side surface of the rubber sleeve 17 is a step surface with two thin ends and a thick middle.
The upper end of the outer side surface of the rubber sleeve 17 is hermetically fixed with the inner side surface of the lower folded edge of the upper rib plate 15 in a bonding mode; the lower end of the outer side surface of the rubber sleeve 17 is hermetically fixed with the inner side surface of the upper folded edge of the lower rib plate 16 in a bonding mode.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (5)
1. The utility model provides a abandonment is got well shut and is backfilled and use stratum corer which characterized in that: the core drill comprises a shell (1), a guide beam (2), a rack (3), a remote control motor (4), a core drill bit (5), a pivot (6), a planetary gear (7), a support column (8), a liquid guide cavity (9), a liquid guide pipe (10), an end cover (11), a fastening bolt (12), a central pipe (13), a sun gear (14), an upper rib plate (15), a lower rib plate (16) and a rubber sleeve (17);
wherein the shell (1) is of a round cup-shaped structure with an upward cup opening; the lower part of the side wall of the shell (1) is provided with four groups of guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; each group of guide holes A comprises four guide holes A which are equidistantly and parallelly arranged from top to bottom; the axis of each guide hole A is vertical to the different surface of the axis of the shell (1); the upper part of the side wall of the shell (1) is provided with four liquid guide holes A which are arranged at equal intervals along the circumferential direction in a penetrating way; the upper end surface of the shell (1) is provided with four blind screw holes which are arranged at equal intervals along the circumferential direction;
the number of the guide beams (2) is four groups; each group of guide beams (2) comprises four guide beams (2) which are arranged in parallel at equal intervals from top to bottom; the axis of each guide beam (2) is perpendicular to the different surface of the axis of the shell (1), and the two ends of each guide beam (2) are fixed on the inner side surface of the shell (1); the four groups of guide beams (2) are arranged at equal intervals along the circumferential direction;
the number of the racks (3) is four groups; each group of racks (3) comprises four racks (3) which are equidistantly and parallelly arranged from top to bottom; the axis of each rack (3) is vertical to the different surface of the axis of the shell (1), and the end surface of each rack (3) is provided with a guide hole B in a penetrating way; the four groups of racks (3) are slidably assembled on the side surfaces of the four groups of guide beams (2) in a one-to-one correspondence manner through respective guide holes B;
the number of the remote control motors (4) is four groups; each group of remote control motors (4) comprises four remote control motors (4) which are equidistantly and parallelly arranged from top to bottom; the axial line of each remote control motor (4) is vertical to the different surface of the axial line of the shell (1); bases of the four groups of remote control motors (4) are fixed on the back surfaces of the four groups of racks (3) in a one-to-one correspondence manner;
the number of the coring bits (5) is four; each group of coring bits (5) comprises four coring bits (5) which are arranged in parallel from top to bottom at equal intervals; the axis of each coring bit (5) is vertical to the opposite surface of the axis of the shell (1); the four groups of coring bits (5) movably penetrate through the four groups of guide holes A in a one-to-one correspondence manner, and the tail ends of the four groups of coring bits (5) are connected with output shafts of the four groups of remote control motors (4) in a one-to-one correspondence manner;
the number of the pivots (6) is four; the four pivot shafts (6) are vertically fixed on the edge of the inner bottom surface of the shell (1), and the four pivot shafts (6) are arranged at equal intervals along the circumferential direction; the upper part of the side surface of each pivot (6) is fixedly provided with a bearing A (18); the lower part of the side surface of each pivot (6) is fixedly provided with a bearing B (19);
the number of the planet gears (7) is four, and the four planet gears (7) are all long gears; the upper ends of the inner hole wall of the four planet gears (7) are fixedly matched with the outer side surfaces of the outer rings of the four bearings A (18) in a one-to-one correspondence manner; the lower ends of the inner hole walls of the four planet gears (7) are fixedly matched with the outer side surfaces of the outer rings of the four bearings B (19) in a one-to-one correspondence manner; the four planet gears (7) are respectively meshed with the four groups of racks (3);
the supporting column (8) is vertically fixed at the center of the inner bottom surface of the shell (1);
the liquid guide cavity (9) is of a round cup-shaped structure with an upward cup opening, and the liquid guide cavity (9) is supported and fixed on the upper end surface of the support column (8); the side wall of the liquid guide cavity (9) is provided with four liquid guide holes B which are arranged at equal intervals along the circumferential direction in a penetrating way, and the four liquid guide holes B are opposite to the four liquid guide holes A one by one;
the number of the liquid guide pipes (10) is four; the head ends of the four liquid guide pipes (10) are in one-to-one corresponding sealing communication with the four liquid guide holes B; the tail ends of the four liquid guide pipes (10) are in one-to-one corresponding sealing communication with the four liquid guide holes A;
the end cover (11) is covered on the cup mouth of the shell (1) in a sealing way; the center of the end surface of the end cover (11) is provided with a center hole in a through way; the edge of the end face of the end cover (11) is provided with four assembling holes which are arranged at equal intervals along the circumferential direction in a penetrating way, and the four assembling holes are opposite to the four blind screw holes one by one;
the number of the fastening bolts (12) is four; the four fastening bolts (12) correspondingly penetrate through the four assembling holes one by one, and the tail ends of the four fastening bolts (12) are correspondingly screwed in the four blind screw holes one by one; the heads of the four fastening bolts (12) are pressed against the upper end face of the end cover (11);
a bearing C (20) is fixedly assembled at the lower part of the outer side surface of the central pipe (13), and the outer side surface of the outer ring of the bearing C (20) is fixedly matched with the hole wall of the central hole; the lower end surface of the central tube (13) is in running fit with the upper end surface of the liquid guide cavity (9), and labyrinth seal is arranged between the lower end surface of the central tube (13) and the upper end surface of the liquid guide cavity (9);
the sun gear (14) is fixedly assembled at the lower part of the outer side surface of the central pipe (13), and the sun gear (14) is positioned below the bearing C (20); the sun gear (14) is simultaneously meshed with the four planet gears (7);
the upper rib plate (15) is of a circular structure, and the outer edge of the upper rib plate (15) is bent downwards to form a lower folded edge; the inner side surface of the upper rib plate (15) is fixed with the upper part of the outer side surface of the shell (1) in a sealing way, and the upper rib plate (15) is positioned above the four liquid guide holes A;
the lower ribbed plate (16) is of a circular structure, and the outer edge of the lower ribbed plate (16) is bent upwards to form an upper folded edge; the inner side surface of the lower rib plate (16) is hermetically fixed with the upper part of the outer side surface of the shell (1), and the lower rib plate (16) is positioned below the four liquid guide holes A;
the rubber sleeve (17) is of a circular tubular structure; the upper end of the outer side face of the rubber sleeve (17) is fixed with the inner side face of the lower folded edge of the upper ribbed plate (15) in a sealing way; the lower end of the outer side surface of the rubber sleeve (17) is fixed with the inner side surface of the upper folded edge of the lower ribbed plate (16) in a sealing way; the upper rib plate (15), the lower rib plate (16), the rubber sleeve (17) and the shell (1) are enclosed together to form a hydraulic cavity, and the hydraulic cavity is communicated with the four liquid guide holes A simultaneously.
2. The stratum core extractor for the abandoned water-taking well shut-in backfill according to the claim 1, is characterized in that: the shell (1), the guide beam (2), the pivot (6), the support column (8), the liquid guide cavity (9), the liquid guide pipe (10), the end cover (11), the central pipe (13), the upper rib plate (15) and the lower rib plate (16) are all made of steel; the coring bit (5) is made of alloy; the rubber sleeve (17) is made of rubber containing steel wires.
3. The stratum core extractor for the abandoned water-taking well sealing backfill according to the claim 1, characterized in that: the cross section of the guide beam (2) and the cross section of the guide hole B are rectangular.
4. The stratum core extractor for the abandoned water-taking well sealing backfill according to the claim 1, characterized in that: the outer side surface of the rubber sleeve (17) is a step surface with two thin ends and thick middle.
5. The stratum core extractor for the abandoned water-taking well sealing backfill according to the claim 1, characterized in that: the upper end of the outer side surface of the rubber sleeve (17) is hermetically fixed with the inner side surface of the lower folded edge of the upper ribbed plate (15) in a bonding mode; the lower end of the outer side face of the rubber sleeve (17) is hermetically fixed with the inner side face of the upper folded edge of the lower ribbed plate (16) in a bonding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211575686.8A CN115584942B (en) | 2022-12-09 | 2022-12-09 | Stratum coring device for sealing and backfilling abandoned water taking well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211575686.8A CN115584942B (en) | 2022-12-09 | 2022-12-09 | Stratum coring device for sealing and backfilling abandoned water taking well |
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| CN115584942A true CN115584942A (en) | 2023-01-10 |
| CN115584942B CN115584942B (en) | 2023-02-28 |
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| CN202211575686.8A Active CN115584942B (en) | 2022-12-09 | 2022-12-09 | Stratum coring device for sealing and backfilling abandoned water taking well |
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| CN115584942B (en) | 2023-02-28 |
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