CN113153140A - Geophysical prospecting well fixing device and method for carbonate karst cave type geological engineering exploration - Google Patents
Geophysical prospecting well fixing device and method for carbonate karst cave type geological engineering exploration Download PDFInfo
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- CN113153140A CN113153140A CN202110284248.5A CN202110284248A CN113153140A CN 113153140 A CN113153140 A CN 113153140A CN 202110284248 A CN202110284248 A CN 202110284248A CN 113153140 A CN113153140 A CN 113153140A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
Abstract
The invention discloses a geophysical prospecting well fixing device for carbonate karst cave type geological engineering exploration, which mainly comprises: the device comprises a supporting plate, a feeding stabilizing cylinder, a feeding soil drilling mechanism, a driving feeding mechanism, a stabilizing supporting leg, a fixed telescopic cylinder and a sampling cylinder; the feeding earth drilling mechanism comprises: the device comprises a feeding earth drilling screw rod, a plurality of fixing rods, a feeding drill bit and a fixing hole; the fixed telescopic cylinder comprises: the first combination cylinders, the fixing plates, the fixing heads, the clamping grooves and the clamping rings are sleeved together; the clamping ring is sleeved with a second bearing, and the second bearing is sleeved with a drill bit fixing plate; a plurality of fixed rod fixing holes matched with the fixed rods are formed in the drill bit fixing plate clamping plate, and a first combined cylinder at the innermost layer of the fixed telescopic cylinder is arranged between the feeding drill bit and the feeding drill soil screw rod through the drill bit fixing plate; the side surfaces of the first combined cylinders are provided with the windows, and sampling is completed through the windows, so that a well hole drilled by the well drilling tool is firmer, and sampling is more convenient and quicker.
Description
Technical Field
The invention relates to the technical field of geological engineering, in particular to a geophysical prospecting well fixing device and method for carbonate karst cave type geological engineering exploration.
Background
The geological engineering field is a leading engineering field serving as national economic construction by taking natural science and geoscience as theoretical bases, taking engineering problems related to geological survey, general survey and exploration of mineral resources, and geological structure and geological background of major engineering as main objects, taking geology, geophysical and geochemical technologies, mathematical geological methods, remote sensing technologies, testing technologies, computer technologies and the like as means, and is the most widely applied research in the global field at present due to shortage of water resources.
Groundwater refers to water present in the interstices of rocks below ground level and in the narrower sense to water in saturated aquifers below the surface of the groundwater. In the national standard hydrogeological terminology, groundwater refers to various forms of gravitational water buried below the surface of the earth.
The distribution area of underground water in karst areas of China is about 82.83 ten thousand square kilometers, and accounts for 8.73 percent of the total area of national evaluation areas; the amount of the karst underground water mineable resources is 870.02 billion cubic meters per year, which accounts for 26.7 percent of the total amount of the national underground water mineable resources, and the development and utilization values are very high. The groundwater in the karst area is mainly present in karst cave fractures of carbonate rock (limestone), and the occurrence state depends on the development degree of the karst. Carbonate rocks in China are widely distributed, some are directly exposed on the earth surface, some are buried underground, and under different climatic conditions, the development degree of karst is different, and particularly the difference between the northern area and the southern area is obvious.
The underground water position of the karst area needs to be surveyed by adopting a professional positioning surveying and mapping instrument for positioning, well drilling and sampling are completed by adopting well drilling equipment, and samples are detected and analyzed, so that the position, the water quality, the flow direction and the like of the underground water are determined.
However, the earth surface of the existing karst area is firm, so that the supporting legs of the existing geophysical prospecting well fixing device cannot be directly inserted into the earth surface to finish fixing, a well is drilled on the karst earth surface, the drill bit is not easy to sample after drilling the well, the subsurface stratum is complex, soil and falling rocks on the well wall after drilling the well are easy to slide down, the well is blocked, sampling analysis cannot be finished, and the problems cause great troubles for the underground water well fixing process of the karst area.
Disclosure of Invention
In order to solve the technical problem, the invention provides a geophysical prospecting well fixing device and method for carbonate karst cave type geological engineering exploration.
The first technical point of the invention is as follows:
a geophysical prospecting well fixing device for carbonate karst cave type geological engineering exploration mainly comprises: the device comprises a supporting plate for supporting a well fixing device, a feeding stabilizing cylinder arranged in the middle of the supporting plate, a feeding soil drilling mechanism arranged on the central shaft of the feeding stabilizing cylinder, a driving feeding mechanism for driving the feeding soil drilling mechanism, stabilizing supporting legs arranged below the supporting plate and symmetrically arranged at two sides of the feeding stabilizing cylinder, a fixed telescopic cylinder for fixedly drilling a well wall, and a sampling cylinder capable of being sleeved in the fixed telescopic cylinder for sampling;
the feed stabilization cartridge comprises: the clamping plates are arranged at the positions, close to the bottom end, of the two sides of the inner wall of the feeding stabilizing cylinder, and the feeding stabilizing groove is arranged at the position of the central shaft of the feeding stabilizing cylinder;
the feeding earth drilling mechanism comprises: the feeding drill soil screw rod is rotatably arranged in the feeding stabilizing groove, a plurality of fixing rods are arranged on the bottom surface of the feeding drill soil screw rod, a feeding drill bit is arranged below the feeding drill soil screw rod, a plurality of fixing holes corresponding to the fixing rods are arranged on the top surface of the feeding drill bit, and an installation groove is formed in the feeding drill bit;
the driving feeding mechanism is arranged in the supporting plate;
the stabilizing support leg includes: the support device comprises a first support leg arranged below the support plate, a second support leg which is telescopically slid in the first support leg, and a fixed foot arranged below the second support leg;
the fixed telescopic cylinder comprises: the clamping plate is arranged on the fixing head and matched with the clamping plate, and the clamping ring is arranged on the bottom surface of the first combination cylinder at the innermost part;
bearing clamping grooves are formed in four top points of the clamping ring, a second bearing is sleeved on the clamping ring through the bearing clamping grooves, bearing clamping plates for clamping the bearing clamping grooves are arranged at the four top points of the second bearing, drill bit fixing plate fixing grooves are formed in the four top points of the inner side of the second bearing, a drill bit fixing plate is rotatably sleeved in the second bearing, and drill bit fixing plate clamping plates clamped in the drill bit fixing plate fixing grooves are arranged at the four top points of the drill bit fixing plate;
a plurality of fixed rod fixing holes matched with the fixed rods are formed in the drill bit fixing plate clamping plate, and a first combined cylinder at the innermost layer of the fixed telescopic cylinder is arranged between the feeding drill bit and the feeding drill soil screw rod through a drill bit fixing plate;
each first combination cylinder is provided with a window on the side face, the windows are sealed by sealing rubber, and a tearing seam is arranged on a middle shaft of the sealing rubber.
Further, the drive feed mechanism includes: set up the backup pad is inside and the symmetry sets up the drive that feeds and bore soil lead screw both sides is fed gear, with two the drive is fed the gear and is overlapped for summit and two drive on the drive feeds the gear feed rack, sets up the backup pad with feed the drive on the firm section of thick bamboo inner wall and feed the rack groove, the drive feeds the rack and passes through the drive feed rack groove with it meshes mutually to feed to bore soil lead screw, be provided with the drive on the drive feed gear and feed the pivot, one of them the drive feeds and connects driving motor in the pivot, and the convenient drive is fed and is bored soil lead screw.
Furthermore, every all be provided with the second slide on the inner wall of a first combination section of thick bamboo, the top of all first combination sections of thick bamboo except the first combination section of thick bamboo in the outside all is provided with first litter, first litter slides and sets up on the second slide, improves flexible effect, prevents to break away from the festival.
Furthermore, the bottom of the supporting plate is also provided with an auxiliary supporting leg, a fixed ejector rod is arranged in the second supporting leg in a sliding manner, a sliding groove is formed in the side surface of the second supporting leg, which faces to one side of the auxiliary supporting leg, the side surface of the fixed ejector rod is provided with a fixed rack, the fixed rack is positioned in the sliding groove, the bottom end of the fixed ejector rod extends into the fixed foot, a fixed extrusion plate is arranged at one end of the fixed ejector rod, which is positioned in the fixed foot, the bottom surface of the fixed extrusion plate is provided with a plurality of first bearings, each first bearing is rotatably provided with a screw rod, the bottom surface of the fixed foot is provided with a plurality of threaded sleeves, each threaded sleeve is rotatably provided with a screw rod, the bottom end of each screw rod is provided with a fixed nail head, and the auxiliary supporting leg is rotatably provided with a driving gear, the driving gear is driven by the crank, the driving gear is meshed with the fixed rack, and the bottom end of the auxiliary supporting leg is provided with an auxiliary fixing foot, so that a screw on the fixing foot can quickly enter the ground below the ground surface to quickly fix the supporting plate.
Furthermore, the sampling tube is formed by sleeving a plurality of second combined tubes together, and the sampling tube is sleeved inside the fixed telescopic tube, so that falling rocks can be prevented from falling off to block a well hole.
Furthermore, each side of the inside of the second combined cylinder is provided with a third slide way, the top of the second combined cylinder except the second combined cylinder on the outermost side is provided with a second sliding rod, the second sliding rod is arranged on the third slide way in a sliding manner, and the top of the second combined cylinder on the outermost side is provided with a limiting plate, so that the telescopic effect is increased, and disjointing is prevented.
Furthermore, a sampling groove is formed in the side face of each second combined cylinder, a sampling inner cylinder is arranged at the position of the vertical central shaft in the sampling cylinder, the sampling cylinder is sleeved in the fixed telescopic cylinder, the position of the sampling groove is the same as that of the sealing rubber, and samples of soil with different depths are rapidly obtained.
Furthermore, the cross section of the sampling inner cylinder is two semicircular cylinders, a spring is arranged between the two semicircular cylinders, a sampling plate is arranged on the outer wall of the sampling inner cylinder, and a plurality of sampling grooves are formed in the sampling plate, so that the sampling device is more convenient to use.
Furthermore, slide in the sample inner tube and set up one and prop open the post, the one end of propping open the post is provided with props the head, prop the head and be the step axle form, more conveniently prop open the post and prop open the sample inner tube.
The second technical point of the invention is as follows:
the method for geophysical prospecting of the well by using the device comprises the following steps:
s1, mounting the device after the device is initially positioned by the positioning instrument
Placing a second bearing on a first combined cylinder at the innermost side of the fixed telescopic cylinder, clamping a bearing clamping plate on the second bearing in a bearing clamping groove, clamping a drill bit fixing plate clamping plate of a drill bit fixing plate into a drill bit fixing plate fixing groove on the second bearing, penetrating a fixing rod on a feeding drill soil screw rod into a fixing rod fixing hole on the drill bit fixing plate, fixing the fixing rod by using a spring buckle, adjusting to place the fixed telescopic cylinder on the land needing positioning detection, and fixing the fixing plate with the land by using a fixing nail;
s2: device adjustment
The second supporting leg of the stable supporting leg is pulled out of the first supporting leg, so that the fixing foot is in contact with the bottom surface, the auxiliary supporting leg is also stretched, the auxiliary fixing foot is made to be attached to the ground, then the crank is rotated to enable the driving gear to rotate and drive the fixing rack to move vertically, the fixing ejector rod slides on the first slide way and extrudes the screw rod, the screw rod is made to rotate under the action of the threaded sleeve, and therefore the fixing nail head drills the ground surface, the screw rod quickly enters the ground surface, and fixing of the device is completed;
s3 drilling soil
The driving feeding rotating shaft of the driving feeding mechanism drives the driving feeding gear to rotate, so that the driving feeding rack drives the feeding drill soil lead screw to rotate and feed, the feeding drill bit starts to drill soil and drives the first combination barrel at the innermost side of the fixed telescopic barrel to start to extend downwards until all the first combination barrels of the fixed telescopic barrel extend out completely, at the moment, the fixing foot is loosened to pull out the feeding drill soil lead screw, at the moment, the spring buckle is loosened to enable the drill bit to be temporarily left in the well, and the outer wall of the first combination barrel of the fixed telescopic barrel is enabled to be tightly attached to the inner wall of the drilled well hole, so that soil drilling is completed;
s4 sampling and researching the soil in the borehole after the initial positioning
And (3) extending the sampling tube into the fixed telescopic tube, completely extending the second combined tube of the sampling tube through the sampling inner tube, firstly inserting the opening head of the opening column into the sampling inner tube, slowly inserting the opening column to start the expansion of the sampling inner tube, and making the sampling tube on the sampling plate break the sealing rubber to finish sampling.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the ground surface in the rock cavern is not easy to fix, so the existing fixing mode of direct penetration is not suitable, the device is more stable by arranging the auxiliary supporting legs and the stabilizing supporting legs, and the screw rod is rapidly rotated and fed through the threaded sleeve by the driving gear, the fixed rack and the fixed ejector rod, so that the device is faster in fixing speed and more stable.
Secondly, because a hole is drilled in the rock cavern, the drill bit is not easy to sample after drilling the hole, the stratum is complex, and soil and falling rocks on the well wall after drilling the hole are easy to slide off, so that the hole is blocked.
Thirdly, the sampling cylinder is sleeved in the fixed telescopic cylinder, the expandable sampling inner cylinder is arranged in the sampling cylinder, and sampling is completed through the sampling groove on the second combined cylinder, so that soil samples with different depths are extracted quickly.
Drawings
FIG. 1 is a front view of the internal structural schematic of the present invention;
FIG. 2 is a front view of the schematic of the feed earth-boring mechanism of the present invention;
FIG. 3 is a top view of the external structural schematic of the present invention;
FIG. 4 is a front view of the structure of the fixed telescopic cylinder of the present invention when it is contracted;
FIG. 5 is a front view of the structure of the extendable fixed telescopic cylinder of the present invention;
FIG. 6 is an enlarged view of the schematic structure of the area A in FIG. 1;
FIG. 7 is an enlarged view of the schematic view of the area B in FIG. 5;
FIG. 8 is a diagram showing the positional relationship between the sampling tube and the fixed telescopic tube according to the present invention;
FIG. 9 is a top view of a schematic of the sampling inner barrel of the present invention;
fig. 10 is a top view of a schematic of the structure of the fixed telescopic cylinder of the present invention.
Wherein, 1, a support plate, 2, a feeding stabilizing barrel, 21, a clamping plate, 22, a feeding stabilizing groove, 3, a feeding earth drilling mechanism, 31, a feeding earth drilling screw rod, 32, a fixing rod, 33, a feeding drill bit, 331, a mounting groove, 34, a fixing hole, 4, a driving feeding mechanism, 41, a driving feeding gear, 42, a driving feeding rack, 43, a driving feeding rack groove, 44, a driving motor, 45, a driving feeding rotating shaft, 5, a stabilizing support leg, 51, a first support leg, 52, a second support leg, 521, a sliding groove, 53, a fixing ejector rod, 54, a fixing rack, 55, a fixing foot, 551, a fixing extrusion plate, 552, a first bearing, 553, a threaded sleeve, 554, a screw rod, 555, a first slideway, 556, a fixing nail head, 6, an auxiliary, 61, a driving gear, 62, a crank, 63, an auxiliary fixing foot, 7, a fixing telescopic barrel, 71, a fixing head, 711. the device comprises a clamping groove, 72, a fixing plate, 73, a first combined cylinder, 731, a clamping ring, 7311, a bearing clamping groove, 732, a second bearing, 7321, a bearing clamping plate, 7322, a drill fixing plate fixing groove, 733, a drill fixing plate, 7331, a drill fixing plate clamping plate, 7332, a fixing rod fixing hole, 74, sealing rubber, 741, a tear seam, 75, a second slideway, 76, a first sliding rod, 8, a sampling cylinder, 81, a second combined cylinder, 811, a third slideway, 812, a second sliding rod, 813, a sampling groove, 82, a sampling inner cylinder, 83, a sampling plate, 831, a sampling pipe, 84, a spring, 85, a limiting plate, 9, a support column, 91 and a support head.
Detailed Description
Example 1:
as shown in fig. 1, a geophysical prospecting well-setting device for carbonate karst cave type geological engineering exploration mainly comprises: the device comprises a supporting plate 1 for supporting a well fixing device, a feeding stabilizing cylinder 2 arranged in the middle of the supporting plate 1, a feeding soil drilling mechanism 3 arranged on the central shaft of the feeding stabilizing cylinder 2, a driving feeding mechanism 4 for driving the feeding soil drilling mechanism 3, stabilizing supporting legs 5 arranged below the supporting plate 1 and symmetrically arranged at two sides of the feeding stabilizing cylinder 2, a fixed telescopic cylinder 7 for fixedly drilling a well wall, and a sampling cylinder 8 which can be sleeved in the fixed telescopic cylinder 7 and used for sampling;
as shown in fig. 1, the feed stabilization cylinder 2 comprises: the clamping plate 21 is arranged at the position close to the bottom end of the two sides of the inner wall of the feeding stabilizing cylinder 2, and the feeding stabilizing groove 22 is arranged at the position of the central shaft of the feeding stabilizing cylinder 2;
as shown in fig. 1 and 2, the earth-boring feeding mechanism 3 includes: a feeding drill soil screw rod 31 rotatably arranged in the feeding stabilizing groove 22, a plurality of fixing rods 32 arranged on the bottom surface of the feeding drill soil screw rod 31, a feeding drill bit 33 arranged below the feeding drill soil screw rod 31, a plurality of fixing holes 34 arranged on the top surface of the feeding drill bit 33 and corresponding to the fixing rods 32, wherein the feeding drill bit 33 is provided with a mounting groove 331;
as shown in fig. 1, the drive feed mechanism 4 is provided in the support plate 1;
as shown in fig. 1, the stabilizing support leg 5 includes: a first supporting leg 51 arranged below the supporting plate 1, a second supporting leg 52 telescopically sliding in the first supporting leg 51, and a fixing foot 55 arranged below the second supporting leg 52;
as shown in fig. 1, 4 and 10, the fixed telescopic cylinder 7 includes: a plurality of first combination cylinders 73 which are sleeved together, fixing plates 72 which are arranged at two sides of the outermost first combination cylinder 73, fixing heads 71 which are arranged at the tops of the outermost first combination cylinders 73, clamping grooves 711 which are arranged on the fixing heads 71 and matched with the clamping plates 21, and concentric clamping rings 731 which are arranged on the bottom surfaces of the innermost first combination cylinders 73;
as shown in fig. 10, bearing clamping grooves 7311 are provided at four vertices of the clamping ring 731, the clamping ring 731 is sleeved with a second bearing 732 through the bearing clamping grooves 7311, bearing clamping plates 7321 for clamping the bearing clamping grooves 7311 are provided at four vertices of the second bearing 732, drill fixing plate fixing grooves 7322 are provided at four vertices inside the second bearing 732, a drill fixing plate 733 is rotatably sleeved in the second bearing 732, and drill fixing plate clamping plates 7331 clamped in the drill fixing plate fixing grooves 7322 are provided at four vertices of the drill fixing plate 733;
as shown in fig. 1 and 10, the bit fixing plate card plate 7331 is provided with a plurality of fixing rod fixing holes 7332 matching with the fixing rods 32, and the innermost first combination cylinder 73 of the fixed telescopic cylinder 7 is installed between the feeding bit 33 and the feeding earth screw 31 through a bit fixing plate 733;
as shown in fig. 5, a window is provided on a side surface of each first combining cylinder 73.
As shown in fig. 1, the drive feed mechanism 4 includes: the setting is in inside and the symmetry of backup pad 1 sets up the drive feed gear 41 of the earth lead screw 31 both sides of feeding is drilled, with two the drive feed gear 41 is the summit and overlaps two drive feed rack 42, setting on the drive feed gear 41 are in the backup pad 1 with the drive on the feeding stabilizing barrel 2 inner wall feeds rack groove 43, drive feed rack 42 passes through drive feed rack groove 43 with the earth lead screw 31 of feeding meshes mutually, be provided with drive feed pivot 45 on the drive feed gear 41, one of them drive feed pivot 45 is last to connect driving motor 44.
As shown in fig. 5 and 7, a second slide way 75 is provided on an inner wall of each first combination cylinder 73, and a first slide rod 76 is provided on the top of all first combination cylinders 73 except for the outermost first combination cylinder 73, and the first slide rod 76 is slidably provided on the second slide way 75.
As shown in fig. 8, the sampling tube 8 is formed by sleeving a plurality of second combined tubes 81 together, and the sampling tube 8 is sleeved inside the fixed telescopic tube 7.
As shown in fig. 8, a third slide way 811 is arranged on the inner side of each second combined cylinder 81, a second slide rod 812 is arranged on the top of each second combined cylinder 81 except for the outermost second combined cylinder 81, the second slide rod 812 is slidably arranged on the third slide way 811, and a stopper 85 is arranged on the top of the outermost second combined cylinder 81.
As shown in fig. 8 and 9, a sampling groove 813 is formed in a side surface of each second combination cylinder 81, a sampling inner cylinder 82 is arranged at a vertical central axis position inside the sampling cylinder 8, and after the sampling cylinder 8 is sleeved in the fixed telescopic cylinder 7, the position of the sampling groove 813 is the same as the position of the sealing rubber 74.
As shown in fig. 9, the sampling inner cylinder 82 is a cylinder with two semicircular cross sections, a spring 84 is arranged between the two semicircular cylinders, a sampling plate 83 is arranged on the outer wall of the sampling inner cylinder 82, and a plurality of sampling grooves 813 are arranged on the sampling plate 83.
As shown in fig. 8, a spreading column 9 is slidably disposed in the sampling inner cylinder 82, a spreading head 91 is disposed at one end of the spreading column 9, and the spreading head 91 is in a stepped shaft shape.
Example 2:
example 2 differs from example 1 in that:
as shown in fig. 5, the windows are sealed with a sealing rubber 74, and a tear seam 741 is provided in an intermediate shaft of the sealing rubber 74.
Example 3:
example 3 differs from example 2 in that:
as shown in fig. 1, the bottom of the supporting plate 1 is further provided with an auxiliary supporting leg 6, the inside of the second supporting leg 52 is slidably provided with a fixed top bar 53, the side of the second supporting leg 52 facing the side of the auxiliary supporting leg 6 is provided with a sliding slot 521, the side of the fixed top bar 53 is provided with a fixed rack 54, the fixed rack 54 is located in the sliding slot 521, the bottom end of the fixed top bar 53 extends into the fixed foot 55, a fixed pressing plate 551 is arranged at the end of the fixed top bar 53 located in the inside of the fixed foot 55, the bottom surface of the fixed pressing plate 551 is provided with a plurality of first bearings 552, each first bearing 552 is rotatably provided with a screw 554, the bottom surface of the fixed foot 55 is provided with a plurality of threaded sleeves 553, each threaded sleeve 553 is rotatably provided with a screw 554, the bottom end of each screw 554 is provided with a fixed nail head 556, the auxiliary supporting leg 6 is rotatably provided with a driving gear 61, the driving gear 61 is driven by a crank 62, the driving gear 61 is meshed with the fixed rack 54, and the bottom end of the auxiliary supporting leg 6 is provided with an auxiliary fixing foot 63.
The method for geophysical prospecting of the well by using the device in the embodiment 3 comprises the following steps:
s1, mounting the device after the device is initially positioned by the positioning instrument
Placing the second bearing 732 on the first combined cylinder 73 at the innermost side of the fixed telescopic cylinder 7, clamping a bearing clamping plate 7321 on the second bearing 732 in the bearing clamping groove 7311, clamping a drill fixing plate clamping plate 7331 of the drill fixing plate 733 into a drill fixing plate fixing groove 7322 on the second bearing 732, penetrating a fixing rod 32 on a feeding drill soil screw rod 31 into a fixing rod fixing hole 7332 on the drill fixing plate 733, fixing the fixing rod by a spring buckle, adjusting to place the fixed telescopic cylinder 7 on the land to be positioned and detected, and fixing the fixing plate 72 with the land by a fixing nail;
s2: device adjustment
The second supporting leg 52 of the stable supporting leg 5 is pulled out of the first supporting leg 51, so that the fixing foot 55 is in contact with the bottom surface, the auxiliary supporting leg 6 is also stretched, the auxiliary fixing foot 63 is tightly attached to the ground, then the crank 62 is rotated to enable the driving gear 61 to rotate and drive the fixing rack 54 to vertically move, the fixing ejector rod 53 slides on the first slideway 555 and extrudes the screw rod 554, the screw rod 554 is rotated under the action of the threaded sleeve 553, and the fixing nail head 556 is enabled to drill the ground surface, so that the screw rod 554 quickly enters the ground surface, and the fixing of the device is completed;
s3 drilling soil
The driving feeding rotating shaft 45 of the driving feeding mechanism 4 drives the driving feeding gear 41 to rotate, so that the driving feeding rack 42 drives the feeding drill soil screw 31 to rotate and feed, the feeding drill bit 33 starts to drill soil and drives the first combination barrel 73 at the innermost side of the fixed telescopic barrel 7 to start to extend downwards until all the first combination barrels 73 of the fixed telescopic barrel 7 extend out completely, at the moment, the fixing feet 55 are loosened, the feeding drill soil screw 31 is pulled out, at the moment, the spring buckle is loosened, the drill bit is temporarily left in the well, the outer wall of the first combination barrel 73 of the fixed telescopic barrel 7 is tightly attached to the inner wall of the drilled well, and soil drilling is completed;
s4 sampling and researching the soil in the borehole after the initial positioning
The sampling tube 8 is extended into the fixed telescopic tube 7, the second combined tube 81 of the sampling tube 8 is completely extended through the sampling inner tube 82, the opening head 91 of the opening column 9 is firstly inserted into the sampling inner tube 82, the opening column 9 is slowly inserted, the sampling inner tube 82 starts to expand, the sampling tube 831 on the sampling plate 83 breaks the sealing rubber 74, and sampling is completed.
Claims (10)
1. The utility model provides a carbonate karst cave type geological engineering exploration is with geophysical prospecting well fixing device which characterized in that mainly includes: the device comprises a supporting plate (1) for supporting a well fixing device, a feeding stabilizing cylinder (2) arranged in the middle of the supporting plate (1), a feeding soil drilling mechanism (3) arranged on the central shaft of the feeding stabilizing cylinder (2), a driving feeding mechanism (4) for driving the feeding soil drilling mechanism (3), stabilizing supporting legs (5) which are arranged below the supporting plate (1) and symmetrically arranged at two sides of the feeding stabilizing cylinder (2), a fixed telescopic cylinder (7) for fixedly drilling a well wall, and a sampling cylinder (8) which can be sleeved in the fixed telescopic cylinder (7) and used for sampling;
the feed stabilization cylinder (2) comprises: the clamping plates (21) are arranged at the positions, close to the bottom end, of the two sides of the inner wall of the feeding stabilizing cylinder (2), and the feeding stabilizing grooves (22) are arranged at the positions of the central shaft of the feeding stabilizing cylinder (2);
the feeding earth-boring mechanism (3) comprises: the soil feeding and stabilizing device comprises a soil feeding and drilling screw rod (31) rotatably arranged in a feeding and stabilizing groove (22), a plurality of fixing rods (32) arranged on the bottom surface of the soil feeding and drilling screw rod (31), a feeding drill bit (33) arranged below the soil feeding and drilling screw rod (31), a plurality of fixing holes (34) which are arranged on the top surface of the feeding drill bit (33) and correspond to the fixing rods (32), and a mounting groove (331) is formed in the feeding drill bit (33);
the driving and feeding mechanism (4) is arranged in the supporting plate (1);
the stabilizing support leg (5) comprises: a first supporting leg (51) arranged below the supporting plate (1), a second supporting leg (52) telescopically sliding in the first supporting leg (51), and a fixed foot (55) arranged below the second supporting leg (52);
the fixed telescopic cylinder (7) comprises: the clamping device comprises a plurality of first combination cylinders (73) which are sleeved together, fixing plates (72) arranged on two sides of the outermost first combination cylinders (73), fixing heads (71) arranged on the tops of the outermost first combination cylinders (73), clamping grooves (711) which are arranged on the fixing heads (71) and matched with clamping plates (21), and concentric clamping rings (731) arranged on the bottom surfaces of the innermost first combination cylinders (73);
bearing clamping grooves (7311) are formed in four top points of the clamping ring (731), a second bearing (732) is sleeved on the clamping ring (731) through the bearing clamping grooves (7311), bearing clamping plates (7321) used for clamping the bearing clamping grooves (7311) are arranged at the four top points of the second bearing (732), a drill bit fixing plate fixing groove (7322) is formed in the four top points of the inner side of the second bearing (732), a drill bit fixing plate (733) is rotatably sleeved in the second bearing (732), and drill bit fixing plate clamping plates (7331) clamped in the drill bit fixing groove (7322) are arranged at the four top points of the drill bit fixing plate (733);
the drill fixing plate clamping plate (7331) is provided with a plurality of fixing rod fixing holes (7332) matched with the fixing rods (32), and a first combined cylinder (73) at the innermost layer of the fixed telescopic cylinder (7) is arranged between the feeding drill (33) and the feeding drill soil screw rod (31) through a drill fixing plate (733);
and a window is arranged on the side surface of each first combined cylinder (73), the window is sealed by sealing rubber (74), and a tear seam (741) is arranged on an intermediate shaft of the sealing rubber (74).
2. The geophysical prospecting well device for carbonate karst cave geological engineering exploration according to claim 1, characterized in that said driving and feeding mechanism (4) comprises: set up and be in inside and the symmetry of backup pad (1) sets up drive feed gear (41), with two of earth screw (31) both sides are bored in the feeding drive feed gear (41) are the summit and overlap two drive feed rack (42), the setting on drive feed gear (41) are in backup pad (1) with drive feed rack groove (43) on the feeding firm section of thick bamboo (2) inner wall, drive feed rack (42) pass through drive feed rack groove (43) with it meshes mutually to bore earth screw (31) to feed, be provided with drive feed pivot (45) on drive feed gear (41), one of them drive feed pivot (45) are gone up and are connected driving motor (44).
3. The geophysical prospecting well setting device for carbonate karst cave geological engineering exploration, according to claim 1, characterized in that the inner wall of each first combined cylinder (73) is provided with a second slideway (75), the tops of all the first combined cylinders (73) except the outermost first combined cylinder (73) are provided with first slide rods (76), and the first slide rods (76) are slidably arranged on the second slideways (75).
4. The geophysical prospecting well-positioning device for carbonate karst cave type geological engineering exploration, which is characterized in that an auxiliary supporting leg (6) is further arranged at the bottom of the supporting plate (1), a fixed ejector rod (53) is slidably arranged in the second supporting leg (52), a sliding groove (521) is formed in the side surface, facing one side of the auxiliary supporting leg (6), of the second supporting leg (52), a fixed rack (54) is arranged on the side surface of the fixed ejector rod (53), the fixed rack (54) is located in the sliding groove (521), the bottom end of the fixed ejector rod (53) extends into the fixed foot (55), a fixed extrusion plate (551) is arranged at one end, located in the fixed foot (55), of the fixed ejector rod (53), a plurality of first bearings (552) are arranged on the bottom surface of the fixed extrusion plate (551), and a screw rod (554) is rotatably arranged on each first bearing (552), the bottom surface of the fixed foot (55) is provided with a plurality of threaded sleeves (553), each threaded sleeve (553) is internally provided with a screw rod (554) in a rotating manner, the bottom end of each screw rod (554) is provided with a fixed nail head (556), the auxiliary supporting leg (6) is provided with a driving gear (61) in a rotating manner, the driving gear (61) is driven by a crank (62), the driving gear (61) is meshed with the fixed rack (54), and the bottom end of the auxiliary supporting leg (6) is provided with an auxiliary fixed foot (63).
5. The geophysical prospecting well fixing device for carbonate karst cave geological engineering exploration, according to claim 1, is characterized in that the sampling cylinder (8) is formed by sleeving a plurality of second combined cylinders (81), and the sampling cylinder (8) is sleeved inside the fixed telescopic cylinder (7).
6. A geophysical prospecting well setting device for carbonate karst cave geological engineering exploration, according to claim 5, characterized in that the inner side of each second combined cylinder (81) is provided with a third slideway (811), the top of each second combined cylinder (81) except the outermost second combined cylinder (81) is provided with a second slide rod (812), the second slide rod (812) is slidably arranged on the third slideway (811), and the top of the outermost second combined cylinder (81) is provided with a limiting plate (85).
7. The carbonate karst cave type geological engineering exploration geophysical well fixing device as claimed in claim 5, wherein a sampling groove (813) is formed in the side surface of each second combined cylinder (81), a sampling inner cylinder (82) is arranged in the position of a vertical central shaft in the sampling cylinder (8), and after the sampling cylinder (8) is sleeved in the fixed telescopic cylinder (7), the position of the sampling groove (813) is the same as that of the sealing rubber (74).
8. The geophysical prospecting well fixing device for carbonate karst cave geological engineering exploration, according to claim 7, is characterized in that the sampling inner cylinder (82) is a cylinder with two semicircular cross sections, a spring (84) is arranged between the two semicircular cylinders, a sampling plate (83) is arranged on the outer wall of the sampling inner cylinder (82), and a plurality of sampling grooves (813) are arranged on the sampling plate (83).
9. The geophysical prospecting well-setting device for carbonate karst cave geological engineering exploration, according to claim 8, characterized in that a support column (9) is slidably arranged in the sampling inner barrel (82), one end of the support column (9) is provided with a support head (91), and the support head (91) is in a step shaft shape.
10. A method of geophysical well determination using the apparatus of any one of claims 1 to 9 comprising the steps of:
s1, mounting the device after the device is initially positioned by the positioning instrument
Placing a second bearing (732) on a first combined cylinder (73) at the innermost side of a fixed telescopic cylinder (7), clamping a bearing clamping plate (7321) on the second bearing (732) in a bearing clamping groove (7311), clamping a drill bit fixing plate clamping plate (7331) of a drill bit fixing plate (733) into a drill bit fixing plate fixing groove (7322) on the second bearing (732), penetrating a fixing rod (32) on a feeding drill soil screw rod (31) into a fixing rod fixing hole (7332) on the drill bit fixing plate (733), fixing by using a spring buckle, adjusting to place the fixed telescopic cylinder (7) on the land needing positioning detection, and fixing a fixing plate (72) with the land by using a fixing nail;
s2: device adjustment
Pulling out a second supporting leg (52) of the stable supporting leg (5) from the first supporting leg (51), enabling a fixing foot (55) to be in contact with the bottom surface, extending and retracting an auxiliary supporting leg (6), enabling an auxiliary fixing foot (63) to be attached to the ground, then enabling a driving gear (61) to rotate by rotating a crank (62), driving a fixing rack (54) to vertically move, enabling a fixing ejector rod (53) to slide on a first slideway (555), extruding a screw rod (554), enabling the screw rod (554) to rotate under the action of a threaded sleeve (553), and enabling a fixing nail head (556) to drill the ground surface, enabling the screw rod (554) to rapidly enter the ground surface and completing the fixing of the device;
s3 drilling soil
The driving feeding gear (41) is driven to rotate by a driving feeding rotating shaft (45) of the driving feeding mechanism (4), so that the driving feeding rack (42) drives the feeding drill soil screw rod (31) to rotate and feed, the feeding drill bit (33) starts to drill soil and drives the first combination barrel (73) at the innermost side of the fixed telescopic barrel (7) to start to extend downwards until all the first combination barrels (73) of the fixed telescopic barrel (7) extend out completely, at the moment, the fixing feet (55) are loosened, the feeding drill soil screw rod (31) is pulled out, at the moment, the spring buckle is loosened, the drill bit is temporarily left in the well, the outer wall of the first combination barrel (73) of the fixed telescopic barrel (7) is made to cling to the inner wall of the drilled well, and soil drilling is completed;
s4 sampling and researching the soil in the borehole after the initial positioning
The sampling tube (8) is stretched into the fixed telescopic tube (7), the second combined tube (81) of the sampling tube (8) is completely stretched out through the sampling inner tube (82), the stretching head (91) of the stretching column (9) is firstly inserted into the sampling inner tube (82), the sampling inner tube (82) starts to expand after the stretching column (9) is slowly inserted, and the sampling tube (831) on the sampling plate (83) stretches through the sealing rubber (74) to finish sampling.
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