CN211314150U - High-pressure drilling sealing device - Google Patents
High-pressure drilling sealing device Download PDFInfo
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- CN211314150U CN211314150U CN201921226381.XU CN201921226381U CN211314150U CN 211314150 U CN211314150 U CN 211314150U CN 201921226381 U CN201921226381 U CN 201921226381U CN 211314150 U CN211314150 U CN 211314150U
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Abstract
The utility model relates to a high pressure drilling sealing device, its characterized in that includes: the pressure relief section, the sealing section and the sealing section fastening assembly; when the pressure relief valve is used, a drill rod penetrates through the sealing section, a drill bit is installed at the end part of the drill rod, the position of a drilling machine is adjusted, the direction of the drill rod is consistent with the direction of the embedded orifice section, the drill bit is hidden in the pressure relief section, the pressure relief section and the sealing section are connected through a first connecting bolt and a first connecting nut, a ball valve on the embedded orifice section is opened, drilling construction is started, the pressure relief ball valve of the pressure relief section is opened in the drilling process to carry out slag discharge and pressure relief, and if the sealing device is subjected to leakage relief, the fastening bolt can be screwed down to compress the rubber sealing. The utility model discloses simple structure, convenient to use, easily popularization, the drill way takes place to leak in a large number and gushes when can effectively prevent to drill under the high pressure operating mode.
Description
Technical Field
The utility model belongs to the technical field of underground drilling and grout, concretely relates to high pressure drilling sealing device.
Background
With the development of national economic construction and the development and utilization of underground space, a large number of tunnels such as electric power, subways, highways, hydraulic engineering and the like need to be constructed at the bottom of a river or the bottom of a sea, and due to the complex and variable hydrological and engineering geological conditions of the river bottom or the bottom of the sea, advanced geological compensation drilling, advanced hole drilling and grouting reinforcement are inevitably carried out in the construction process, so that the drilling construction under the complex geological environment under high water pressure can be involved. Because the drilling is carried out at the bottom of a river or the sea, the water pressure is high, and the water spraying or water surging at the hole opening can be inevitably generated in the drilling process, thereby bringing about potential safety hazards. Therefore, the sealing device is additionally arranged at the orifice in the drilling process, a large amount of water leakage and gushing are prevented in the drilling process, and the method has extremely important practical significance and value.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects existing in the prior art, the device has the advantages of simple structure, convenient use, easy popularization and low cost, can reduce or avoid the harm to surrounding personnel and vehicles in the construction process, and prevents fragments from splashing when the pavement is broken.
For solving the above technical problem, the utility model discloses a following technical scheme realizes:
a high pressure bore hole seal assembly, comprising: the pressure relief valve comprises a first steel pipe, a first flange plate, a second steel pipe, a pressure relief ball valve, a first connecting bolt and a first connecting nut which are matched with each other, a third steel pipe, a third flange plate, a first steel plate ring, an annular rubber sealing washer, a fastening nut, a second steel plate ring, a steel plate strip with a hole in the middle and two round holes in two sides, a fastening bolt and a second connecting bolt which are matched with the fastening nut;
the three flanges are consistent in model, and the inner diameter of each flange is the same as the outer diameter of the first steel pipe and the outer diameter of the third steel pipe; a round hole with the diameter consistent with the inner diameter of the second steel pipe is arranged on the side surface of the first steel pipe, and the pressure relief ball valve is matched with the second steel pipe in size; the inner diameter and the outer diameter of the first steel plate ring, the rubber sealing washer and the second steel plate ring are the same, the inner diameter is slightly larger than the outer diameter of a drill rod and a drill bit of the drilling equipment, the outer diameter is consistent with the inner diameter of the third steel pipe, and the sum of the thickness of the first steel plate ring and the length of the rubber sealing washer is slightly smaller than the length of the third steel pipe; the size of an opening in the middle of the steel plate strip is larger than the inner diameter of the rubber sealing washer, the inner diameters of circular holes on two sides of the steel plate strip are the same as the inner diameter of the fastening nut, and the center distance between the two circular holes is consistent with the center distance between the two fastening nuts welded on the third steel pipe; the length of the fastening bolt is greater than the sum of the thickness of the second steel plate ring and the thickness of the steel plate strip;
the first flange plate and the second flange plate are respectively welded at two ends of the first steel pipe, one end of the second steel pipe is welded around the round hole on the first steel pipe, and the outer surface of the other end of the second steel pipe is threaded to form threads and is connected with the pressure relief ball valve to form a pressure relief section;
the third flange disc and the first steel plate ring are respectively welded on the inner side and the outer side of the same end of the third steel pipe, the fastening nut is welded on the outer side of the other end of the third steel pipe, and the rubber sealing washer is inserted into the third steel pipe to form a sealing section;
the round hole in the middle of the second steel plate ring is aligned and contacted with the opening in the middle of the steel plate strip to form a sealing section fastening assembly;
the pressure relief section and the sealing section connect the second flange plate and the third flange plate through a first connecting bolt and a first connecting nut to complete assembly; the sealing section and the sealing section fastening assembly are connected through fastening bolts and fastening nuts to complete assembly, the rubber sealing washer and one end of the second steel plate ring are clamped into the third steel pipe after assembly, and the other end of the second steel plate ring is in direct contact with the steel plate strip.
Preferably, in the high-pressure drilling sealing device, the first flange plate and the second flange plate are connected with both ends of the first steel pipe in a threaded manner, and the third flange plate and the third steel pipe are connected in a threaded manner.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses mainly constitute by release section, seal section and seal section fastening components, in the use, through opening the ball valve on the release section, can realize row's sediment and the release in the drilling process very easily, for preventing that sealing device from taking place to unload the hourglass, the accessible is screwed up fastening bolt and is compressed tightly rubber seal shutoff seepage, can prevent to leak in a large number in the drilling process and gush, can conveniently realize row's sediment and the release of drilling process again.
2. The utility model discloses only constitute by release section, seal section and seal section fastening components and simple bolt and nut, simple structure is very simple, and it is all very convenient to dismantle, install and use, and relevant material and part low price obtain easily moreover, therefore use widely very easily.
Drawings
The contents of the drawings and the reference numerals in the drawings are briefly described as follows:
FIG. 1 is a cross-sectional view of a high pressure bore seal.
Fig. 2 is a schematic view of the installation and use state of the high-pressure drilling sealing device.
Fig. 3 is a schematic structural diagram of the high-pressure drilling sealing device.
FIG. 4 is an elevation view of a pressure relief section of the high pressure bore seal.
FIG. 5 is a left side view of the pressure relief section of the high pressure bore seal.
FIG. 6 is a front view of a sealing section of a high pressure bore seal.
FIG. 7 is a left side view of a sealing section of the high pressure bore hole seal.
FIG. 8 is a right side view of a sealing section of the high pressure bore seal.
FIG. 9 is an elevation view of a high pressure bore seal segment fastener assembly.
FIG. 10 is a left side view of a high pressure bore hole seal segment fastening assembly.
FIG. 11 is a right side view of the high pressure bore seal segment fastening assembly.
In the figure, 1-first steel pipe, 2-first flange plate, 3-second flange plate, 4-second steel pipe, 5-pressure relief ball valve, 6-first connecting bolt, 7-first connecting nut, 8-third steel pipe, 9-third flange plate, 10-first steel plate ring, 11-rubber sealing washer, 12-fastening nut, 13-second steel plate ring, 14-steel plate strip, 15-fastening bolt, 16-second connecting bolt.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of embodiments, so as to help those skilled in the art to understand the concept and technical solution of the present invention more completely, accurately and deeply.
Example 1
As shown in fig. 1, a high-pressure drilling hole sealing device is characterized by comprising a first steel pipe 1, a first flange 2, a second flange 3, a second steel pipe 4, a pressure relief ball valve 5, a first connecting bolt 6 and a first connecting nut 7 which are matched for use, a third steel pipe 8, a third flange 9, a first steel plate ring 10, an annular rubber sealing gasket 11, a fastening nut 12, a second steel plate ring 13, a steel plate strip 14, a fastening bolt 15 and a second connecting bolt 16, wherein the middle part and two sides of the steel plate strip are respectively provided with an opening and two threaded holes;
the first steel pipe 1 and the third steel pipe 8 are both DN100 steel pipes; the three flange plates 2, 3 and 9 are DN100 flange plates, and the thicknesses are 18mm, 12mm and 12mm in sequence; a round hole with the diameter of 50mm is arranged on the side surface of the first steel pipe 1, and the second steel pipe 4 and the pressure relief ball valve 5 are a DN50mm steel pipe and a DN50mm ball valve respectively; the inner diameters of the first steel plate ring 10, the rubber sealing washer 11 and the second steel plate ring 13 are all 46mm, the outer diameters are all consistent with the inner diameter of the DN100 steel pipe, and the outer diameters of a drill rod and a drill bit of the drilling equipment are slightly smaller than 46 mm; the thickness of the first steel plate ring 10 is 5mm, the length of the rubber sealing washer 11 is 120mm, and the length of the third steel pipe 8 is 135 mm; the length, the width and the thickness of the steel plate strip 14 are 190mm, 50mm and 10mm respectively, an opening in the middle of the steel plate strip is a rectangle of 70 x 50mm, the inner diameter of round holes on two sides of the steel plate strip is the same as that of the fastening nuts 12, the center distance between two threaded holes is the same as that of the two fastening nuts 12 welded on the third steel pipe 8, and the thickness of the second steel plate ring 13 is 37 mm; the first connecting bolt 6 is an M16 bolt with the length not less than 40mm, and the first connecting nut 7 is an M16 nut; the fastening nut 12 is an M16 nut, and the fastening bolt 15 is an M16 bolt with the length of 80 mm;
the first flange plate 2 and the second flange plate 3 are respectively welded at two ends of the first steel pipe 1, one end of the second steel pipe 4 is welded around a round hole on the first steel pipe 1, and the outer surface of the other end is threaded to form a thread and is connected with a pressure relief ball valve 5 to form a pressure relief section shown in figures 4-5;
a third flange plate 9 and a first steel plate ring 10 are respectively welded on the inner side and the outer side of the same end of the third steel pipe 8, a fastening nut 12 is welded on the outer side of the other end of the third steel pipe 8, and a rubber sealing washer 11 is inserted into the third steel pipe 8 to form a sealing section shown in fig. 6-8;
the round hole in the middle of the second steel plate ring 13 and the opening in the middle of the steel plate strip 14 are aligned to form a sealing section fastening assembly shown in figures 9-11;
the pressure relief section and the sealing section connect the second flange plate 3 and the third flange plate 9 through a first connecting bolt 6 and a first connecting nut 7 to complete assembly; the sealing section and the sealing section fastening assembly are connected through a fastening bolt 15 and a fastening nut 12 to complete assembly, the rubber sealing washer 11 and one end of the second steel plate ring 13 are clamped into the third steel pipe 8 after assembly, the other end of the second steel plate ring 13 is in direct contact with the steel plate strip 14, and the structural schematic diagram of the assembled high-pressure drilling sealing device is shown in fig. 3.
The utility model discloses a theory of operation is:
the first step is as follows: connecting the embedded orifice section and the pressure relief section by a second connecting bolt 16;
the second step is that: the second steel plate ring 13 is clamped into the third steel pipe 8 of the sealing section and the right side of the rubber sealing washer 11, the hole in the middle of the steel plate strip 14 is aligned to the circular hole in the middle of the rubber sealing washer 11 and presses the second steel plate ring 13 tightly, then the fastening bolt 15 is inserted into the threaded hole of the steel plate strip 14 and screwed into the fastening nut on the sealing section, and the sealing section is assembled;
the third step: penetrating a drill rod through the sealing section, and installing a drill bit at the end part of the drill rod;
the fourth step: adjusting the position of the drilling machine to enable the direction of the drill rod to be consistent with the direction of the embedded orifice section, and hiding the drill bit into the pressure relief section;
step five: connecting the pressure relief section and the sealing section through a first connecting bolt 6 and a first connecting nut 7, as shown in fig. 1;
step six: opening the ball valve on the embedded orifice section to start drilling construction;
step seven: opening a pressure relief ball valve 5 of the pressure relief section in the drilling process to carry out slag discharge and pressure relief;
step eight: if the sealing device leaks during the drilling process, the rubber sealing ring 11 can be tightly pressed by tightening the fastening bolt 15 to block the leakage.
Example 2
Example 1 was repeated, but with the difference that the first flange 2 and the second flange 3 were connected to both ends of the first steel pipe 1, and the third flange 9 and the third steel pipe 8 were connected by screw threads.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications and equivalent substitutions made within the principles and design principles of the present invention should be included within the scope of the present invention as claimed.
Claims (2)
1. A high pressure bore hole seal assembly, comprising: the device comprises a first steel pipe (1), a first flange plate (2), a second flange plate (3), a second steel pipe (4), a pressure relief ball valve (5), a first connecting bolt (6) and a first connecting nut (7) which are matched for use, a third steel pipe (8), a third flange plate (9), a first steel plate ring (10), an annular rubber sealing washer (11), a fastening nut (12), a second steel plate ring (13), a steel plate strip (14) with a hole in the middle and two round holes on two sides, a fastening bolt (15) and a second connecting bolt (16) which are matched with the fastening nut (12);
the models of the three flanges (2, 3 and 9) are consistent, and the inner diameters of the flanges (2, 3 and 9) are the same as the outer diameters of the first steel pipe (1) and the third steel pipe (8); a round hole with the diameter consistent with the inner diameter of the second steel pipe (4) is arranged on the side surface of the first steel pipe (1), and the pressure relief ball valve (5) is matched with the second steel pipe (4) in size; the inner diameter and the outer diameter of the first steel plate ring (10), the rubber sealing washer (11) and the second steel plate ring (13) are the same, the inner diameter is slightly larger than the outer diameter of a drill rod and a drill bit of the drilling equipment, the outer diameter is consistent with the inner diameter of the third steel pipe (8), and the sum of the thickness of the first steel plate ring (10) and the length of the rubber sealing washer (11) is slightly smaller than the length of the third steel pipe (8); the size of an opening in the middle of the steel plate strip (14) is larger than the inner diameter of the rubber sealing washer (11), the inner diameters of round holes on two sides of the steel plate strip are the same as the inner diameter of the fastening nut (12), and the center distance between the two round holes is consistent with the center distance between the two fastening nuts (12) welded on the third steel pipe (8); the length of the fastening bolt (15) is greater than the sum of the thickness of the second steel plate ring (13) and the thickness of the steel plate strip (14);
the first flange plate (2) and the second flange plate (3) are respectively welded at two ends of the first steel pipe (1), one end of the second steel pipe (4) is welded around a round hole on the first steel pipe (1), and the outer surface of the other end is threaded to form threads and is connected with the pressure relief ball valve (5) to form a pressure relief section;
a third flange plate (9) and a first steel plate ring (10) are respectively welded on the inner side and the outer side of the same end of a third steel pipe (8), a fastening nut (12) is welded on the outer side of the other end of the third steel pipe (8), and a rubber sealing washer (11) is inserted into the third steel pipe (8) to form a sealing section;
a round hole in the middle of the second steel plate ring (13) is aligned and contacted with an opening in the middle of the steel plate strip (14) to form a sealing section fastening assembly;
the pressure relief section and the sealing section connect the second flange plate (3) and the third flange plate (9) through a first connecting bolt (6) and a first connecting nut (7) to complete assembly; the sealing section and the sealing section fastening assembly are connected through fastening bolts (15) and fastening nuts (12) to complete assembly, the rubber sealing washer (11) and one end of the second steel plate ring (13) are clamped into the third steel pipe (8) after assembly, and the other end of the second steel plate ring (13) is in direct contact with the steel plate strip (14).
2. A high pressure bore hole seal assembly according to claim 1, wherein: the first flange plate (2), the second flange plate (3) and the two ends of the first steel pipe (1) are connected in a threaded mode, and the third flange plate (9) and the third steel pipe (8) are connected in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226381.XU CN211314150U (en) | 2019-07-31 | 2019-07-31 | High-pressure drilling sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226381.XU CN211314150U (en) | 2019-07-31 | 2019-07-31 | High-pressure drilling sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN211314150U true CN211314150U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921226381.XU Active CN211314150U (en) | 2019-07-31 | 2019-07-31 | High-pressure drilling sealing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424918A (en) * | 2019-07-31 | 2019-11-08 | 中国水利水电第十四工程局有限公司 | A kind of high pressure borehole sealing device and application method |
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2019
- 2019-07-31 CN CN201921226381.XU patent/CN211314150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424918A (en) * | 2019-07-31 | 2019-11-08 | 中国水利水电第十四工程局有限公司 | A kind of high pressure borehole sealing device and application method |
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