CN213478287U - Double-end water plugging device for preventing drilling hole from being plugged - Google Patents
Double-end water plugging device for preventing drilling hole from being plugged Download PDFInfo
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- CN213478287U CN213478287U CN202022381215.6U CN202022381215U CN213478287U CN 213478287 U CN213478287 U CN 213478287U CN 202022381215 U CN202022381215 U CN 202022381215U CN 213478287 U CN213478287 U CN 213478287U
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Abstract
The utility model discloses a prevent bi-polar water shutoff ware device of drilling shutoff, including first rubber water shutoff ware, second rubber water shutoff ware, first water injection subassembly, second water injection subassembly and rotatory supporting component, first rubber water shutoff ware with can dismantle the connection between the second rubber water shutoff ware, first water injection subassembly sets up first rubber water shutoff ware with in the second rubber water shutoff ware. The utility model discloses a set up rotatory supporting component, the universal wheel is direct and the pore wall contact, make people in with first rubber water shutoff device and the rotatory time of pushing into the drilling of second rubber water shutoff device faster, the universal wheel can reduce the frictional force of first rubber water shutoff device and second rubber water shutoff device and drilling inner wall, prevent because of the too big rubber capsule fish tail with first rubber water shutoff device and second rubber water shutoff device surface of frictional force, alleviate the condition of first rubber water shutoff device and the wearing and tearing of second rubber water shutoff device, the life of first rubber water shutoff device and second rubber water shutoff device has been prolonged.
Description
Technical Field
The utility model relates to a water shutoff device technical field. In particular to a double-end water plugging device for preventing the plugging of a drill hole.
Background
When the double-end water plugging device is fed into a drill hole by adopting a stainless steel push rod in the prior art, the convex rock on the hole wall of the drill hole can be knocked down by the double-end water plugging device to be blocked in front of the double-end water plugging device or clamped between the double-end water plugging device and the hole wall, and along with the increase of falling chips and rocks, the forward resistance of the double-end water plugging device is larger, so that the capsule cannot be pushed or damaged by the convex rock when the double-end water plugging device is pushed into the drill hole.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to provide a transfer fast, wearing and tearing are few and long service life's a bi-polar water shutoff ware device that prevents the shutoff of drilling.
In order to solve the technical problem, the utility model provides a following technical scheme:
a double-end water plugging device for preventing a drill hole from being plugged comprises a first rubber water plugging device, a second rubber water plugging device, a first water injection assembly, a second water injection assembly and a rotary supporting assembly, wherein the first rubber water plugging device and the second rubber water plugging device are detachably connected, the first water injection assembly is arranged in the first rubber water plugging device and the second rubber water plugging device, the second water injection assembly is arranged in the first rubber water plugging device, the rotary supporting assembly is arranged on the surfaces of the first rubber water plugging device and the second rubber water plugging device, and the advancing direction of the double-end water plugging device in the drill hole is as follows: the distance between the first rubber water stopper and the drilling hole inlet is smaller than the distance between the second rubber water stopper and the drilling hole inlet; the number of the rotary supporting components is six, two groups of the rotary supporting components which are opposite in the radial direction are respectively arranged at two ends of the first rubber water plugging device, and two groups of the rotary supporting components are arranged at one end, adjacent to the first rubber water plugging device, of the second rubber water plugging device; two pairwise axial of four sets of rotation support assembly on first rubber water shutoff device both ends are relative, two sets of rotation support assembly on the second rubber water shutoff device with adjacent one of first rubber water shutoff device is served two pairwise axial of two sets of rotation support assembly also are relative.
The double-end water plugging device for preventing the drilling hole from being plugged comprises a first water injection assembly and a fourth water injection assembly, wherein the first water injection assembly comprises a first water inlet pipe and a fourth water inlet pipe, the first water inlet pipe is arranged at the first end of the first rubber water plugging device in a penetrating manner, a first water storage bin is arranged in the first rubber water plugging device, a second water inlet pipe is arranged at the second end of the first rubber water plugging device in a penetrating manner, a first connecting pipe is fixedly connected to one end, far away from the first rubber water plugging device, of the second water inlet pipe, a second connecting pipe is fixedly connected to the free end of the first connecting pipe, external threads are arranged on the surface of the second connecting pipe, a fourth water inlet pipe is arranged at the first end of the second rubber water plugging device in a penetrating manner, a third connecting pipe is fixedly connected to the free end of the fourth water inlet pipe, internal threads are arranged on the inner wall of the third connecting pipe and are matched with the external threads, and the first rubber water plugging device and the second rubber water plugging And a second water storage bin is arranged in the second rubber water plugging device.
The double-end water plugging device for preventing drilling plugging comprises a first fixing block, wherein the first fixing block is fixedly connected to the inner wall of a first water inlet pipe, a first connecting rod is hinged to the first fixing block through a pin shaft, a first spring is fixedly connected to the surface of the first connecting rod, the other end of the first spring is fixedly connected to the inner wall of the first water inlet pipe, and a stop block is fixedly connected to the other end of the first connecting rod.
Above-mentioned bi-polar water shutoff device that prevents drilling shutoff, first oral siphon pipe wall with set up the through-hole in the first rubber water shutoff, wear to be equipped with first bracing piece in the through-hole, first bracing piece one end with the dog surface contacts, be provided with waterproof pad in the through-hole, waterproof pad cover is established the surface of first bracing piece, the first bracing piece other end articulates through the round pin axle has the second bracing piece.
Above-mentioned double-end water shutoff device that prevents drilling shutoff, second bracing piece fixed surface is connected with first connecting block, first connecting block fixed surface is connected with the second spring, wear to be equipped with first telescopic link in the second spring, first spring other end fixedly connected with second connecting block, first telescopic link one end is articulated through the round pin axle with first connecting block, the first telescopic link other end with the second connecting block is articulated mutually.
According to the double-end water plugging device for preventing the drill hole from being plugged, the surface of the first rubber water plugging device is fixedly connected with the supporting column, the supporting column is hinged with the middle part of the second supporting rod through the pin shaft, and the hinged part of one end of the first telescopic rod and the first connecting block is positioned between the hinged part of the second supporting rod and the first supporting rod and the hinged part of the second supporting rod and the supporting column; the second connecting block is fixedly connected to the side face of the supporting column, and a second telescopic rod is fixedly connected to the surface of the first rubber water stopper.
The double-end water plugging device for preventing drilling plugging is characterized in that one end, away from the surface of the first rubber water plugging device, of the second telescopic rod is hinged to a supporting block through a pin shaft, the surface of the supporting block is fixedly connected with a universal wheel, the surface of the supporting block is fixedly connected with a third connecting block, and the third connecting block is fixedly connected to the surface of the second supporting rod.
According to the double-end water plugging device for preventing drilling plugging, the second water injection assembly comprises a third water inlet pipe, the third water inlet pipe penetrates into the first water storage bin from the first water inlet pipe and penetrates out from the second end of the first rubber water plugging device, and a water outlet is formed in one end, far away from the first water inlet pipe, of the third water inlet pipe.
A double-end water plugging device method for preventing drill hole plugging comprises the following steps:
step A: arranging a first water injection assembly in a first rubber water plugging device and a second rubber water plugging device, arranging a second water injection assembly in the first rubber water plugging device, arranging a rotary supporting assembly on the surfaces of the first rubber water plugging device and the second rubber water plugging device, and along the advancing direction of the double-end water plugging device in a drill hole: the distance between the first rubber water stopper and the drilling hole inlet is smaller than the distance between the second rubber water stopper and the drilling hole inlet; the number of the rotary supporting components is six, two groups of the rotary supporting components which are opposite in the radial direction are respectively arranged at two ends of the first rubber water plugging device, and two groups of the rotary supporting components are arranged at one end, adjacent to the first rubber water plugging device, of the second rubber water plugging device; two groups of rotation supporting components on two ends of the first rubber water stopper are opposite in axial direction, two groups of rotation supporting components on the second rubber water stopper are opposite in axial direction with two groups of rotation supporting components on one end of the adjacent first rubber water stopper, the first rubber water stopper and the second rubber water stopper are connected together through the second connecting pipe and the third connecting pipe in a threaded mode, the first rubber water stopper and the second rubber water stopper are pushed by the rotation of an external drill rod to penetrate into a drill hole, and the rotation supporting components are in sliding contact with the wall of the drill hole to reduce the friction force between the first rubber water stopper and the wall of the drill hole and the friction force between the second rubber water stopper and the wall of the drill hole, so that the contact between rubber capsules on the first rubber water stopper and the second rubber water stopper and rocks on the wall of the drill hole is reduced; the first rubber water stopper and the second rubber water stopper which are rotationally advanced can avoid the rock protruding on the hole wall and the fallen chips and rocks;
and B: when the first rubber water stopper and the second rubber water stopper reach positions needing plugging testing, high-pressure water is injected into the first water inlet pipe and is injected into the first water storage bin and the second water storage bin through the first water inlet pipe;
and C: under the action of high water pressure, the high water pressure pushes the stop block to move, and the stop block pushes the first supporting rod to move directionally in the through hole;
step D: the second support rod inclines under the action of the first support rod, and the second support rod is inclined to drive the universal wheel to approach to the axial direction of the first rubber water plugging device and the second rubber water plugging device so as to fold the universal wheel;
step E: filling the first water storage bin and the second water storage bin with high-pressure water, so that rubber capsules on the first rubber water stopper and the second rubber water stopper expand to be in contact with the inner wall of a drill hole;
step F: a closed space is formed between the first rubber water stopper and the second rubber water stopper;
step G: high-pressure water is injected into the closed space through the water outlet by injecting high-pressure water into the third water inlet pipe, and the change of the water pressure in the closed space is observed through external equipment, so that the condition of rock stratum or stratum fracture or fracture looseness at the corresponding position of the drilled hole is known;
step H: after the test is finished, the injected high-pressure water is discharged, the rubber capsule is recovered, the water pressure applied to the stop block is gradually reduced to zero, and the universal wheel is expanded and recovered to be in a contact supporting state with the hole wall.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. the utility model discloses a set up rotatory supporting component, the universal wheel is direct and the pore wall contact, make people in with first rubber water shutoff device and the rotatory time of pushing into the drilling of second rubber water shutoff device faster, the universal wheel can reduce the frictional force of first rubber water shutoff device and second rubber water shutoff device and drilling inner wall, prevent because of the too big rubber capsule fish tail with first rubber water shutoff device and second rubber water shutoff device surface of frictional force, alleviate the condition of first rubber water shutoff device and the wearing and tearing of second rubber water shutoff device, the life of first rubber water shutoff device and second rubber water shutoff device has been prolonged.
2. The utility model discloses a set up first water injection subassembly, pour into the water under high pressure into through first oral siphon in to first water storage storehouse and the second water storage storehouse, the water under high pressure passes through the second oral siphon and flows to the fourth oral siphon, flow in the second water storage storehouse for first rubber water shutoff device and the inflation of second rubber water shutoff device surface rubber capsule, and contact with the drilling inner wall, make and form the enclosure space between first rubber water shutoff device and the second rubber water shutoff device, it provides convenience to survey drilling for people.
3. The utility model discloses a set up second water injection subassembly, go into the intraductal high pressure water that injects into of water to the third, the high pressure water passes through the delivery port and injects into the enclosure space that first rubber water blocking device and second rubber water blocking device formed, makes things convenient for the leakage flow of people survey each section of drilling to this knows the rock stratum or the stratum crack condition of developing or breaks not hard up the condition, confirms the upper bound height in water guide crack area.
4. The utility model discloses a set up second spring and first telescopic link, when the water pressure step-down in first water storage storehouse and the second water storage storehouse, under the effect of second spring and first telescopic link, the universal wheel returns the normal position, makes things convenient for people to take out or continue rotatory promotion to advance in following the drilling with first rubber plugging device and second rubber plugging device.
Drawings
Fig. 1 is a schematic view of a front cross-sectional structure of a first rubber water stopper in a double-end water stopper device for preventing drill hole plugging of the present invention;
fig. 2 is a schematic view of a front cross-sectional structure of a second rubber water stopper in a double-end water stopper device for preventing drill hole plugging of the present invention;
fig. 3 is an enlarged schematic view of a position a of the double-ended water shutoff device for preventing plugging of a drilled hole of the present invention;
fig. 4 is a schematic front view of a first rubber water shutoff device in a double-end water shutoff device for preventing drill hole plugging of the present invention;
fig. 5 is a schematic view of a front view structure of a first rubber water stopper in a double-end water stopper device for preventing plugging of a drilled hole.
The reference numbers in the figures denote: 1-a first rubber water plugging device; 2-a first water storage bin; 3-a first water inlet pipe; 4-a first fixed block; 5-a first connecting rod; 6-a first spring; 7-a stop block; 8-a first support bar; 9-a through hole; 10-a waterproof pad; 11-a second support bar; 12-a second water storage bin; 13-a first connection block; 14-a second spring; 15-a first telescopic rod; 16-a second connecting block; 17-a support column; 18-a second telescoping rod; 19-a support block; 20-universal wheels; 21-a third connecting block; 22-a second water inlet pipe; 23-a first connection pipe; 24-a second connecting tube; 25-a third connecting tube; 26-a third water inlet pipe; 27-a water outlet; 28-second rubber water plugging device; 29-fourth water inlet pipe.
Detailed Description
As shown in fig. 1-2, a double-end water plugging device for preventing plugging of a drill hole comprises a first rubber water plugging device 1, a second rubber water plugging device 28, a first water injection assembly, a second water injection assembly and a rotary support assembly, wherein the first rubber water plugging device 1 is detachably connected with the second rubber water plugging device 28, the first water injection assembly is arranged in the first rubber water plugging device 1 and the second rubber water plugging device 28, the second water injection assembly is arranged in the first rubber water plugging device 1, the rotary support assembly is arranged on the surfaces of the first rubber water plugging device 1 and the second rubber water plugging device 28, and the rotary support assembly is arranged in the advancing direction of the double-end water plugging device in the drill hole: the distance from the first rubber water plugging device 1 to the drilling hole inlet is smaller than the distance from the second rubber water plugging device 28 to the drilling hole inlet; the number of the rotary supporting components is six, two groups of the rotary supporting components which are opposite in the radial direction are respectively installed at two ends of the first rubber water plugging device 1, and two groups of the rotary supporting components are installed at one end, adjacent to the first rubber water plugging device 1, of the second rubber water plugging device 28; two groups of rotation supporting components on two ends of the first rubber water plugging device 1 are opposite in axial direction, and two groups of rotation supporting components on the second rubber water plugging device 28 are opposite in axial direction with two groups of rotation supporting components on one end of the adjacent first rubber water plugging device 1.
The first water injection assembly comprises a first water inlet pipe 3 and a fourth water inlet pipe 29, the first water inlet pipe 3 penetrates through a first end of the first rubber water blocking device 1, a first water storage bin 2 is arranged in the first rubber water blocking device 1, a second water inlet pipe 22 penetrates through a second end of the first rubber water blocking device 1, one end, far away from the first rubber water blocking device 1, of the second water inlet pipe 22 is fixedly connected with a first connecting pipe 23, a free end of the first connecting pipe 23 is fixedly connected with a second connecting pipe 24, external threads are arranged on the surface of the second connecting pipe 24, the fourth water inlet pipe 29 penetrates through a first end of the second rubber water blocking device 28, a free end of the fourth water inlet pipe 29 is fixedly connected with a third connecting pipe 25, internal threads are arranged on the inner wall of the third connecting pipe 25 and are matched with the external threads, and the first rubber water blocking device 1 and the second rubber water blocking device 28 pass through the second connecting pipe 24 and the third connecting pipe 28 Pipe 25 swing joint, be provided with second reservoir 12 in the second rubber blocking device 28, through setting up first water injection subassembly, inject the water under high pressure into first reservoir 2 and second reservoir 12 through first oral siphon 3, the water under high pressure flows to fourth oral siphon 29 through second oral siphon 22, flow in second reservoir 12, make first rubber blocking device 1 and the inflation of second rubber blocking device 28 surface rubber capsule, and contact with the drilling inner wall, make and form the enclosure space between first rubber blocking device 1 and the second rubber blocking device 28, it provides convenience to survey the drilling for people.
The rotary supporting component comprises a first fixing block 4, the first fixing block 4 is fixedly connected with the inner wall of the first water inlet pipe 3, the first fixing block 4 is hinged with a first connecting rod 5 through a pin shaft, the surface of the first connecting rod 5 is fixedly connected with a first spring 6, the other end of the first spring 6 is fixedly connected with the inner wall of the first water inlet pipe 3, the other end of the first connecting rod 5 is fixedly connected with a stop dog 7, a through hole 9 is formed in the pipe wall of the first water inlet pipe 3 and the first rubber water blocking device 1, a first supporting rod 8 is arranged in the through hole 9 in a penetrating manner, one end of the first supporting rod 8 is contacted with the surface of the stop dog 7, a waterproof pad 10 is arranged in the through hole 9, the waterproof pad 10 is sleeved on the surface of the first supporting rod 8, and the other end of the first supporting rod 8 is hinged with a second supporting, a first connecting block 13 is fixedly connected to the surface of the second supporting rod 11, a second spring 14 is fixedly connected to the surface of the first connecting block 13, a first telescopic rod 15 penetrates through the second spring 14, a second connecting block 16 is fixedly connected to the other end of the first spring 6, one end of the first telescopic rod 15 is hinged to the first connecting block 13 through a pin shaft, the other end of the first telescopic rod 15 is hinged to the second connecting block 16, a supporting column 17 is fixedly connected to the surface of the first rubber water stopper 1, the supporting column 17 is hinged to the middle of the second supporting rod 11 through a pin shaft, and the hinge joint of one end of the first telescopic rod 15 and the first connecting block 13 is located between the hinge joint of the second supporting rod 11 and the first supporting rod 8 and the hinge joint of the second supporting rod 11 and the supporting column 17; the second connecting block 16 is fixedly connected to the side surface of the supporting column 17, the surface of the first rubber water stopper 1 is fixedly connected with a second telescopic rod 18, one end of the second telescopic rod 18, which is far away from the surface of the first rubber water stopper 1, is hinged with a supporting block 19 through a pin shaft, the surface of the supporting block 19 is fixedly connected with a universal wheel 20, and through the arrangement of a rotary supporting component, the universal wheel 20 is directly contacted with the wall of the hole, so that people can more quickly rotate and push the first rubber water stopper 1 and the second rubber water stopper 28 into the hole, the universal wheel 20 can reduce the friction force between the first rubber water stopper 1 and the second rubber water stopper 28 and the inner wall of the hole, prevent the rubber capsules on the outer surfaces of the first rubber water stopper 1 and the second rubber water stopper 28 from being scratched due to overlarge friction force, and reduce the abrasion of the first rubber water stopper 1 and the second rubber water stopper 28, the service life of the first rubber water plugging device 1 and the second rubber water plugging device 28 is prolonged, and by arranging the second spring 14 and the first telescopic rod 15, when the water pressure in the first water storage bin 2 and the second water storage bin 12 becomes low, the universal wheel 20 returns to the original position under the action of the second spring 14 and the first telescopic rod 15, so that people can take the first rubber water plugging device 1 and the second rubber water plugging device 28 out of the drilled hole or continuously rotate to push the first rubber water plugging device 1 and the second rubber water plugging device 28 to advance, the surface of the supporting block 19 is fixedly connected with the third connecting block 21, and the third connecting block 21 is fixedly connected to the surface of the second supporting rod 11.
The second water injection assembly comprises a third water inlet pipe 26, the third water inlet pipe 26 penetrates into the first water storage bin 2 from the first water inlet pipe 3, high-pressure water is injected into the third water inlet pipe 26 through the second water injection assembly, the high-pressure water is injected into a closed space formed by the first rubber water blocking device 1 and the second rubber water blocking device 28 through a water outlet, people can conveniently measure the leakage flow of each section of a drilled hole, the development condition or the fracture loosening condition of a rock stratum or a stratum fracture can be known, the upper bound height of a water guide fracture zone can be determined, the water guide fracture zone penetrates out from the second end of the first rubber water blocking device 1, and a water outlet 27 is formed in one end, far away from the first water inlet pipe 3, of the third water inlet pipe 26.
A double-end water plugging device method for preventing drill hole plugging comprises the following steps:
step A: arranging a first water injection assembly in a first rubber water plugging device 1 and a second rubber water plugging device 28, arranging a second water injection assembly in the first rubber water plugging device 1, arranging a rotary support assembly on the surfaces of the first rubber water plugging device 1 and the second rubber water plugging device 28, and along the advancing direction of the double-end water plugging device in a drill hole: the distance from the first rubber water plugging device 1 to the drilling hole inlet is smaller than the distance from the second rubber water plugging device 28 to the drilling hole inlet; the number of the rotary supporting components is six, two groups of the rotary supporting components which are opposite in the radial direction are respectively installed at two ends of the first rubber water plugging device 1, and two groups of the rotary supporting components are installed at one end, adjacent to the first rubber water plugging device 1, of the second rubber water plugging device 28; two sets of the rotary supporting components on the two ends of the first rubber water plugging device 1 are opposite to each other in the axial direction, two sets of the rotary supporting components on the second rubber water plugging device 28 are opposite to two sets of the rotary supporting components on the adjacent end of the first rubber water plugging device 1 in the axial direction, the first rubber water plugging device 1 and the second rubber water plugging device 28 are connected together through the second connecting pipe 24 and the third connecting pipe 25 in a threaded manner, the first rubber water plugging device 1 and the second rubber water plugging device 28 are pushed by the rotation of an external drill rod to be deeply drilled into the drill hole, the rotary supporting component is in sliding contact with the wall of the borehole to reduce the friction force between the first rubber water stopper 1 and the second rubber water stopper 28 and the wall of the borehole, thereby reducing the contact between the rubber capsules on the first rubber water plugging device 1 and the second rubber water plugging device 28 and the rock on the wall of the hole; the first rubber water plugging device 1 and the second rubber water plugging device 28 which advance in a rotating mode can avoid rocks protruding from the hole wall and overcome fallen debris and rocks;
and B: when the first rubber water plugging device 1 and the second rubber water plugging device 28 reach positions needing plugging testing, injecting high-pressure water into the first water inlet pipe 3, and injecting the high-pressure water into the first water storage bin 2 and the second water storage bin 12 through the first water inlet pipe 3;
and C: under the action of high water pressure, the high water pressure pushes the stop block 7 to move, the stop block 7 pushes the first support rod 8 to move directionally in the through hole 9, and one end of the second support rod 11, which is hinged with the first support rod 8, is far away from the surface of the first rubber water plugging device 1;
step D: the second support rod 11 tilts under the action of the first support rod 8, and the second support rod 11 tilts to drive the universal wheel 20 to approach to the axial direction of the first rubber water stopper 1 and the second rubber water stopper 28 so as to retract the universal wheel 20;
step E: filling the first water storage bin 2 and the second water storage bin 12 with high-pressure water, so that the rubber capsules on the first rubber water stopper 1 and the second rubber water stopper 28 expand to be in contact with the inner wall of the drill hole;
step F: a closed space is formed between the first rubber water plugging device 1 and the second rubber water plugging device 28;
step G: by injecting high-pressure water into the third water inlet pipe 26, the high-pressure water is injected into the closed space through the water outlet 27, and the change of the water pressure in the closed space is observed through external equipment, so that the fracture or fracture loosening condition of the rock stratum or the stratum at the corresponding position of the drilled hole is known;
step H: after the test is finished, the injected high-pressure water is discharged, the rubber capsule is recovered, the water pressure applied to the stop block 7 is gradually reduced to zero, and the universal wheel 20 is opened and recovered to be in a contact supporting state with the hole wall.
The specific working principle is as follows:
firstly, a first rubber water plugging device 1 and a second rubber water plugging device 28 are connected together through a second connecting pipe 24 and a third connecting pipe 25 in a threaded manner, and the first rubber water plugging device 1 and the second rubber water plugging device 28 are pushed by an external push rod to go deep into a drill hole;
secondly, high-pressure water is injected into the first water inlet pipe 3, when the high-pressure water is injected into the first water storage bin 2 and the second rubber water plugging device 28, the high-pressure water pushes the stop block 7 to move, the stop block 7 pushes the first supporting rod 8 to move directionally in the through hole 9, one end, hinged with the first supporting rod 8, of the second supporting rod 11 is far away from the surface of the first rubber water plugging device 1, the second supporting rod 11 inclines under the action of the first supporting rod 8, one end, far away from the first supporting rod 8, of the second supporting rod 11 is close to the surface of the first rubber water plugging device 1, the second supporting rod 11 inclines to move to drive the universal wheel 20 to move, the high-pressure water is injected into the first water storage bin 2, and is injected into the second water storage bin 12 through the second water inlet pipe 22 and the fourth water inlet pipe 29, the surfaces of the first rubber water blocking device 1 and the second rubber water blocking device 28 expand, and is contacted with the inner wall of the drill hole, and a closed space is formed between the first rubber water plugging device 1 and the second rubber water plugging device 28;
finally, by injecting high-pressure water into the third water inlet pipe 26, the high-pressure water is injected into the closed space through the water outlet 27, and the change of the water pressure in the closed space is observed through external equipment, so that the cracking and loosening conditions of the rock at the corresponding position of the drilled hole can be known.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (8)
1. A double-end water plugging device for preventing drilling hole plugging is characterized by comprising a first rubber water plugging device (1), a second rubber water plugging device (28), a first water injection assembly, a second water injection assembly and a rotary support assembly, wherein the first rubber water plugging device (1) and the second rubber water plugging device (28) are detachably connected, the first water injection assembly is arranged in the first rubber water plugging device (1) and the second rubber water plugging device (28), the second water injection assembly is arranged in the first rubber water plugging device (1), the rotary support assembly is arranged on the surfaces of the first rubber water plugging device (1) and the second rubber water plugging device (28), and the rotary support assembly is arranged in the advancing direction of the double-end water plugging device in a drilling hole: the distance from the first rubber water plugging device (1) to the drilling hole inlet is smaller than the distance from the second rubber water plugging device (28) to the drilling hole inlet; the number of the rotary supporting components is six, two groups of the rotary supporting components which are opposite in the radial direction are respectively arranged at two ends of the first rubber water plugging device (1), and two groups of the rotary supporting components are arranged at one end, adjacent to the first rubber water plugging device (1), of the second rubber water plugging device (28); two groups of rotation supporting components on two ends of the first rubber water plugging device (1) are opposite in axial direction, and two groups of rotation supporting components on the second rubber water plugging device (28) are opposite in axial direction with two groups of rotation supporting components on one end of the first rubber water plugging device (1) adjacent to the rotation supporting components.
2. The double-end water plugging device for preventing the plugging of the drilled hole according to claim 1, wherein the first water injection assembly comprises a first water inlet pipe (3) and a fourth water inlet pipe (29), the first water inlet pipe (3) is arranged at the first end of the first rubber water plugging device (1) in a penetrating manner, a first water storage bin (2) is arranged in the first rubber water plugging device (1), a second water inlet pipe (22) is arranged at the second end of the first rubber water plugging device (1) in a penetrating manner, a first connecting pipe (23) is fixedly connected to one end of the second water inlet pipe (22) far away from the first rubber water plugging device (1), a second connecting pipe (24) is fixedly connected to the free end of the first connecting pipe (23), an external thread is arranged on the surface of the second connecting pipe (24), and the fourth water inlet pipe (29) is arranged at the first end of the second rubber water plugging device (28) in a penetrating manner, the free end of the fourth water inlet pipe (29) is fixedly connected with a third connecting pipe (25), the inner wall of the third connecting pipe (25) is provided with an internal thread, the internal thread is matched with the external thread, the first rubber water plugging device (1) and the second rubber water plugging device (28) are movably connected with the third connecting pipe (25) through the second connecting pipe (24), and a second water storage bin (12) is arranged in the second rubber water plugging device (28).
3. The double-end water plugging device for preventing the plugging of the drilled hole is characterized in that the rotating support component comprises a first fixing block (4), the first fixing block (4) is fixedly connected to the inner wall of the first water inlet pipe (3), the first fixing block (4) is hinged to a first connecting rod (5) through a pin shaft, a first spring (6) is fixedly connected to the surface of the first connecting rod (5), the other end of the first spring (6) is fixedly connected to the inner wall of the first water inlet pipe (3), and a stop block (7) is fixedly connected to the other end of the first connecting rod (5).
4. The double-end water plugging device for preventing the plugging of the drilled hole according to claim 3, wherein a through hole (9) is formed in the pipe wall of the first water inlet pipe (3) and the first rubber water plugging device (1), a first supporting rod (8) penetrates through the through hole (9), one end of the first supporting rod (8) is in contact with the surface of the stop block (7), a waterproof pad (10) is arranged in the through hole (9), the waterproof pad (10) is sleeved on the surface of the first supporting rod (8), and the other end of the first supporting rod (8) is hinged to a second supporting rod (11) through a pin shaft.
5. The double-end water plugging device for preventing plugging of a drilled hole is characterized in that a first connecting block (13) is fixedly connected to the surface of the second supporting rod (11), a second spring (14) is fixedly connected to the surface of the first connecting block (13), a first telescopic rod (15) penetrates through the second spring (14), a second connecting block (16) is fixedly connected to the other end of the first spring (6), one end of the first telescopic rod (15) is hinged to the first connecting block (13) through a pin shaft, and the other end of the first telescopic rod (15) is hinged to the second connecting block (16).
6. The double-end water plugging device for preventing the plugging of the drilled hole is characterized in that a supporting column (17) is fixedly connected to the surface of the first rubber water plugging device (1), the supporting column (17) is hinged to the middle of the second supporting rod (11) through a pin shaft, and the hinged position of one end of the first telescopic rod (15) and the first connecting block (13) is located between the hinged position of the second supporting rod (11) and the first supporting rod (8) and the hinged position of the second supporting rod (11) and the supporting column (17); the second connecting block (16) is fixedly connected to the side face of the supporting column (17), and a second telescopic rod (18) is fixedly connected to the surface of the first rubber water plugging device (1).
7. The double-end water plugging device for preventing the blocking of the drilled hole according to claim 6, wherein one end of the second telescopic rod (18) far away from the surface of the first rubber water plugging device (1) is hinged with a supporting block (19) through a pin shaft, a universal wheel (20) is fixedly connected to the surface of the supporting block (19), a third connecting block (21) is fixedly connected to the surface of the supporting block (19), and the third connecting block (21) is fixedly connected to the surface of the second supporting rod (11).
8. A double-ended water blocking device for preventing blocking of a drilled hole according to claim 2, wherein the second water injection assembly comprises a third water inlet pipe (26), the third water inlet pipe (26) penetrates into the first water storage bin (2) from the first water inlet pipe (3) and penetrates out from the second end of the first rubber water blocking device (1), and a water outlet (27) is arranged at one end of the third water inlet pipe (26) far away from the first water inlet pipe (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381215.6U CN213478287U (en) | 2020-10-23 | 2020-10-23 | Double-end water plugging device for preventing drilling hole from being plugged |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381215.6U CN213478287U (en) | 2020-10-23 | 2020-10-23 | Double-end water plugging device for preventing drilling hole from being plugged |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145120A (en) * | 2020-10-23 | 2020-12-29 | 华北科技学院 | Double-end water plugging device and method for preventing drill hole from being plugged |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145120A (en) * | 2020-10-23 | 2020-12-29 | 华北科技学院 | Double-end water plugging device and method for preventing drill hole from being plugged |
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