CN110424915B - Slag removing cylinder of circulating drilling machine - Google Patents
Slag removing cylinder of circulating drilling machine Download PDFInfo
- Publication number
- CN110424915B CN110424915B CN201910610192.0A CN201910610192A CN110424915B CN 110424915 B CN110424915 B CN 110424915B CN 201910610192 A CN201910610192 A CN 201910610192A CN 110424915 B CN110424915 B CN 110424915B
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- flexible screen
- slag
- slag removing
- drilling
- barrel body
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- 239000002893 slag Substances 0.000 title claims abstract description 97
- 238000005553 drilling Methods 0.000 title claims abstract description 70
- 239000013049 sediment Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 238000003756 stirring Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 239000004744 fabric Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a slag removing barrel of a circulating drilling machine, which comprises a slag removing barrel body, wherein a connecting rod connected with the circulating drilling machine is arranged at the top of the slag removing barrel body, a fixing plate is arranged at the bottom of the slag removing barrel body along the radial direction of the slag removing barrel body, the fixing plate is S-shaped, at least two groups of drilling teeth are obliquely arranged on the fixing plate, the arrangement directions of the two adjacent groups of drilling teeth are opposite, and a first flexible screen with variable mesh opening sizes is further arranged on the inner wall of the lower part of the slag removing barrel body. The mesh size of the flexible screen is variable, so that large pebbles or boulders can be stirred into the slag removing cylinder, and the flexible screen is also provided with a second flexible screen, so that the large pebbles cannot enter the sea, and drilling slag entering the slag removing cylinder can be prevented from leaking out of gaps among steel wire ropes; the arrangement of the drill bit ring also enables the device to better stir the drilling slag into the slag removing barrel and then take the drilling slag out.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a slag removing barrel of a circulating drilling machine.
Background
The circulation drilling machine is commonly used for pile foundation construction of projects such as highways, municipal works, subways, house buildings and the like. The most common drill bit of the circular drilling machine is a conical alloy drill bit, and other drill bits comprise a roller bit, a hob bit, a rotary drilling bit and the like (the former two types are relatively less used in the construction field, and the rotary drilling bit is mostly used on the rotary drilling machine). The drill bit of the drilling machine is used for stirring and crushing stratum mud, sand and rock, and the stirred and crushed drilling slag is brought out of a hole through forward/backward circulation of slurry in the hole, so that the drilling machine can drill in the hole. In engineering construction, a drilling machine often encounters a pebble layer or a boulder layer in the drilling process, large pebbles/boulders in the stratum are difficult to crush by facing the conical alloy drill bit in the stratum, and drilling mud specially manufactured in the drilling process cannot float, so that drilling slag cannot be circulated out of a drilling position.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a slag-removing barrel for a circulation drilling machine, so as to solve the problem that the drill bit of the circulation drilling machine in the prior art cannot crush and carry out large pebbles/boulders.
In order to achieve the above object, the present invention is achieved by the following technical means:
a slag removing barrel of a circulating drilling machine comprises a slag removing barrel body, wherein a connecting rod connected with the circulating drilling machine is arranged at the top of the slag removing barrel body, a fixing plate is arranged at the bottom of the slag removing barrel body along the radial direction of the slag removing barrel body, the fixing plate is S-shaped, at least two groups of drilling teeth are obliquely arranged on the fixing plate, the arrangement directions of the two adjacent groups of drilling teeth are opposite, and a first flexible screen with variable mesh opening sizes is further arranged on the inner wall of the lower portion of the slag removing barrel body; draw and still be provided with the changeable second flexible screen cloth of mesh size on the sediment section of thick bamboo body, the flexible screen cloth of second is provided with a plurality of sliders along circumference, draw on the inner wall of sediment section of thick bamboo body lower part be provided with a plurality of slider complex guide rails, the flexible screen cloth of second passes through a plurality of sliders sliding joint in the guide rail, still be provided with two sets of stop device in the guide rail, work as when a plurality of sliders slide to first stop device department of organizing, first flexible screen cloth with the flexible screen cloth of second overlaps, work as when a plurality of sliders slide to second stop device department of organizing, first flexible screen cloth with the flexible screen cloth of second sets up alternately.
Preferably, the included angle between the drill teeth and the fixing plate is 15-45 degrees.
Preferably, the first flexible screen mesh is made of a plurality of flexible ropes, one ends of the plurality of flexible ropes are fixed on the inner wall of the slag removing barrel body along the circumferential direction of the slag removing barrel body, and the other ends of the plurality of flexible ropes are twisted on the shaft center of the slag removing barrel body.
Preferably, the second flexible screen comprises a plurality of flexible ropes and a frame for fixing the flexible ropes, one ends of the flexible ropes are fixed to the frame, the other ends of the flexible ropes are twisted on the center of the frame, and the number of the flexible ropes on the second flexible screen and the arrangement distance between every two adjacent flexible ropes are the same as those of the first flexible screen.
Preferably, the length of the limiting groove is equal to the length of the limiting sheet.
Preferably, all be provided with the push rod on a plurality of sliders, draw the top of a sediment section of thick bamboo body and be provided with the arc guide way correspondingly, the push rod is followed respectively rather than corresponding stretch out in the guide way, many the push rod all is connected with a carousel, still be provided with the handle on the carousel.
Preferably, a drill bit ring is detachably arranged at the bottom of the slag removing barrel body, a plurality of arc-shaped cutting blades are arranged on the drill bit ring along the circumferential direction of the drill bit ring in the direction departing from the fixing plate, and the cutting blades are bent towards the axis direction of the drill bit ring.
Preferably, the inner wall of the cutting blade is further provided with a plurality of cylindrical drilling teeth, and the drilling teeth are arranged towards the axis direction of the drill bit ring and form an included angle with the cutting blade.
Preferably, the angle between the cylindrical drilling tooth and the cutting blade is 15-30 °.
Compared with the prior art, the invention has at least the following beneficial effects: the fixed plate and the drilling teeth arranged on the slag picking barrel are convenient for bringing the drilling slag into the slag picking barrel body in the working process, and the size of the mesh of the flexible rope on the flexible screen can be changed under the action of stress, so that large pebbles or boulders can be stirred into the slag picking barrel; in addition, the second flexible screen is also rotatably arranged on the slag picking barrel, and can be rotated to be overlapped with or not overlapped with the first flexible screen according to engineering requirements in the using process, when massive pebbles or boulders need to be stirred into the slag picking barrel in the drilling process, the second flexible screen is rotated to be overlapped with the first flexible screen, and then the mesh is largest, so that stones can enter the slag picking barrel body; when large pebbles or boulders enter the slag removing barrel, the second flexible screen is rotated again to be not overlapped with the first flexible screen, so that the meshes are reduced, and drilling slag entering the slag removing barrel body can be prevented from leaking out of gaps among the steel wire ropes; the arrangement of the drill bit ring also enables the device to better stir the drilling slag into the slag removing barrel and then take the drilling slag out.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a schematic structural view of a slag removing barrel according to embodiment 1 of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic diagram of a second flexible screen in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a position limiting device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a slag removing barrel body according to embodiment 2 of the present invention.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, the invention provides a circulating drill bit slag removing cylinder, which comprises a slag removing cylinder body 1, wherein a connecting rod 2 connected with a circulating drilling machine is welded at the central position of the top of the slag removing cylinder body 1, a section of internal thread matched with the external thread of a connector of the circulating drilling machine is arranged on the inner wall of the head end of the connecting rod 2, and the internal thread are connected through threads. A fixing plate 3 is arranged on the inner wall of the bottom of the slag removing barrel body 1 along the radial direction. At least two sets of drill teeth are arranged on two sides of the fixing plate 3, the two sets of drill teeth are arranged in opposite directions, the first set of drill teeth 40 are arranged towards the top direction of the slag removing barrel body 1, the second set of drill teeth 41 are arranged away from the top of the slag removing barrel body 1, and therefore the two sets of drill teeth arranged in opposite directions can well stir and bring the drill slag into the slag removing barrel body 1. In order to bring the drilling slag into the slag picking barrel body 1 in the working process of the slag picking barrel conveniently, the two groups of drilling teeth are obliquely arranged on the fixing plate 3. In the practical use process, the inventor finds that the included angle between the two groups of the drill teeth and the fixing plate 3 is preferably 15-45 degrees, and the included angle between the two groups of the drill teeth and the fixing plate 3 is most preferably 30 degrees, and under the included angle, the two groups of the drill teeth can bring the drill residues into the barrel to the maximum extent. In this embodiment, the fixing plate may be further configured to be S-shaped, so that the fixing plate 3 can stir the drilling slag and stir the drilling slag into the slag removing barrel body 1 during the rotation process.
When the drilling slag is provided with large pebbles/boulders, the drilling slag is difficult to be smashed and taken out by a common drill bit, and therefore, the first flexible screen 5 with variable mesh opening size is arranged on the inner wall of the lower part of the slag digging cylinder body 1. Specifically, the first flexible screen 5 is made of a plurality of steel wire ropes 50, one ends of the steel wire ropes 50 are welded to the inner wall of the slag removing barrel body 1 along the circumferential direction, the other ends of the steel wire ropes 50 are twisted on the axis of the slag removing barrel body 1, and the number of the steel wire ropes 50 is determined according to the size of pebbles/boulders. Have the mesh between two liang of adjacent wire rope 50, and because wire rope is flexible rope, at the rotatory process of drawing sediment section of thick bamboo body 1, thereby wire rope 50 on the first flexible screen cloth 5 makes the size of mesh changeable on it under the effect of centrifugal force, conveniently stirs into in a sediment section of thick bamboo with bold cobble or boulder.
In order to prevent big pebbles or boulders entering the slag removing cylinder body 1 from falling out of the meshes again, a second flexible screen 6 is arranged on the inner wall of the slag removing cylinder body 1 above the first flexible screen 5. Referring to fig. 3, the second flexible screen 6 comprises a plurality of steel cables 60 and a frame 61 for fixing the steel cables, and the shape of the frame 61 corresponds to the shape of the slag removing barrel body 1. One ends of the steel wire ropes 60 are fixed on the frame 61, and the other ends of the steel wire ropes 60 are twisted on the center of the frame 61, wherein the number of the steel wire ropes on the second flexible screen 6 and the arrangement distance between every two adjacent steel wire ropes 60 are the same as those of the first flexible screen 5. Three sliding blocks 62 are arranged on the frame 61 at equal intervals, a circle of guide rails 11 are correspondingly arranged on the inner wall of the slag taking barrel body 1, and the second flexible screen 5 is connected to the guide rails in a sliding mode through the three sliding blocks 62. In addition, two sets of limiting devices are correspondingly arranged on the guide rail 11, and when the sliding block 62 on the second flexible screen 6 slides to the limiting position of the first set of limiting devices, the first flexible screen 5 and the second flexible screen 6 are overlapped; when the sliding block 62 on the second flexible screen 6 slides to the position of the second set of position-limiting devices, the wire rope 50 on the first flexible screen 5 and the wire rope 60 on the second flexible screen 6 are crossed. Each group of limiting devices comprises three limiting positions which are arranged at intervals in the circumferential direction of the guide rail 11. The two groups of limiting devices can be arranged independently or combined together. As shown in fig. 4, the two sets of position-limiting devices are combined together, and the position-limiting device includes a position-limiting sheet 70, a spring 71 connected to one end of the position-limiting sheet 70, and a position-limiting groove 72 disposed on the guide rail 11 and used for accommodating the spring 71. The stopper piece 70 is obliquely disposed above the stopper groove 72. The other end of the stopper 70 is disposed on the guide rail 11 and flush with the top end of the stopper groove 72. The two sides of the limiting device form the limiting positions of the first group of limiting devices and the second group of limiting devices, and the embodiment is three groups of limiting positions. In this embodiment, the length of the retainer tab 70 is the same as the length of the retainer slot 72, which facilitates continued sliding of the second flexible screen 6 after the retainer is compressed. The spring 71 is vertically disposed at the bottom of the stopper groove 72, and in a state where the spring 71 is naturally extended, one end of the stopper piece 70 connected to the spring 71 is higher than the other end thereof. When the second flexible screen 6 is rotated, the sliding block 62 on the second flexible screen 6 slides from the other end of the limiting sheet 70 to the end connected with the spring 71, the spring 71 is compressed in the sliding process, the limiting sheet 70 rotates towards the limiting groove 72, along with continuous sliding, the spring 71 is continuously compressed until the top end of the whole limiting sheet 70 and the top end of the limiting groove 72 are parallel and level, and then the second flexible screen 6 slides through the limiting device. When the second flexible screen 6 is not rotated, the second flexible screen 6 is blocked from movement by the first set of stops or the second set of stops.
In order to rotate the second flexible screen 6 conveniently, each sliding block 62 is provided with a push rod 63, three arc-shaped guide grooves 10 are correspondingly arranged on the slag removing barrel body 1, and the push rods 63 respectively extend out of the corresponding arc-shaped guide grooves 10 and rotate in the arc-shaped guide grooves. In order to facilitate the rotation of the second flexible screen 6, the tops of the three push rods 63 are connected with a rotating disc 64, a handle 65 is further arranged on the rotating disc 64, and the handle 65 is held by a hand to rotate the rotating disc 64, so that the second flexible screen 6 can rotate on the guide rail and can compress the limiting device to move from the first limiting device to the second limiting device or move from the second limiting device to the first limiting device. The second flexible screen 6 is rotatably arranged in the slag removing barrel body 1, and can be rotated to be overlapped with or not overlapped with the first flexible screen 5 according to engineering requirements in the using process. When needing to stir big cobble or boulder into drawing sediment section of thick bamboo when boring in the process, when rotating second flexible screen cloth to first group stop device department, make it and first flexible screen cloth 5 overlap, the mesh is the biggest at this moment, is favorable to the stone to enter into drawing sediment section of thick bamboo body 1. When bold cobble or boulder entered into to drawing a sediment section of thick bamboo in, when rotating second flexible screen cloth 6 to the second and organize stop device department once more, at this moment, the wire rope on first flexible screen cloth 5 and the flexible screen cloth 6 of second sets up in the cross, and the mesh reduces like this, can prevent to enter into to draw sediment section of thick bamboo body 1 in the sediment leaks from the gap between the wire rope.
In the engineering construction process, the circulating drilling machine firstly uses a conventional drill bit to drill, and when pebbles/boulders meet or cannot be smashed and taken out, the conventional drill bit is put forward, the slag removing barrel is replaced, and meanwhile, the second flexible screen 6 is rotated to be overlapped with the first flexible screen 5 to drill. In the rotating process of the slag removing barrel, the drilling teeth on the fixing plate 3 drill and bring the drilling slag into the slag removing barrel. Meanwhile, the steel wire ropes are flexible ropes, and in the process of rotation of the slag drawing barrel, the steel wire ropes swing under stress, gaps among the steel wire ropes change accordingly, pebbles/boulders in the drilling slag are stirred into the slag drawing barrel body 1, after drilling is finished, the second flexible screen 6 is rotated to be not overlapped with the first flexible screen 5, then the slag drawing barrel is put forward, drilling slag such as the pebbles/boulders can be brought out, the steel wire ropes 60 on the second flexible screen 6 and the steel wire ropes 50 on the first flexible screen 5 are arranged in a crossed mode, and the drilling slag entering the slag drawing barrel body 1 can be prevented from falling out to a certain extent.
Example 2:
in addition to the embodiment 1, referring to fig. 5, only a part of the cutting blades is shown in fig. 5, and a drill bit ring 8 is detachably connected to the bottom of the slag removing barrel body 1, wherein the drill bit ring 8 and the slag removing barrel body 1 can be connected through threads. A plurality of arc-shaped cutting blades 9 are arranged on the drill collar 8 along the circumferential direction thereof in the direction away from the fixed plate 3, and the cutting blades 9 are bent toward the axial direction of the drill collar 8. The plurality of arc-shaped cutting blades 9 rotate to generate centrifugal action in the drilling process of the slag removing barrel body 1, so that the drilling slag is stirred into the slag removing barrel. In order to enhance the holding effect of the drill bit ring 8 on the drill slag, a plurality of cylindrical drill teeth are obliquely arranged on the inner wall of the cutting blade 9, the plurality of cylindrical drill teeth are arranged towards the axial center direction of the drill bit ring, and the included angle between the cylindrical drill teeth and the cutting blade is preferably 15-30 degrees.
A cyclic drilling rig skimming cartridge according to the present invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications could be made to the above-described cyclic drilling rig skimming cartridge without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (8)
1. A slag removing barrel of a circulating drilling machine is characterized by comprising a slag removing barrel body, wherein a connecting rod connected with the circulating drilling machine is arranged at the top of the slag removing barrel body, a fixing plate is arranged at the bottom of the slag removing barrel body along the radial direction of the slag removing barrel body, the fixing plate is S-shaped, at least two groups of drilling teeth are obliquely arranged on the fixing plate, the arrangement directions of the two adjacent groups of drilling teeth are opposite, and a first flexible screen with changeable mesh sizes is further arranged on the inner wall of the lower portion of the slag removing barrel body;
the slag drawing barrel body is also provided with a second flexible screen with changeable mesh size, the second flexible screen is provided with a plurality of sliding blocks along the circumferential direction, the inner wall of the lower part of the slag drawing barrel body is provided with a guide rail matched with the sliding blocks, the second flexible screen is connected in the guide rail in a sliding way through the sliding blocks, the guide rail is also internally provided with two groups of limiting devices, when the sliding blocks slide to the first group of limiting devices, the first flexible screen and the second flexible screen are overlapped, when the sliding blocks slide to the second group of limiting devices, the first flexible screen and the second flexible screen are arranged in a crossed way,
wherein, the limiting device comprises a limiting sheet, a spring connected with one end of the limiting sheet and a limiting groove arranged on the guide rail and used for accommodating the spring, the limiting sheet is obliquely arranged above the limiting groove, the other end of the limiting sheet is arranged on the guide rail and is parallel to the top end of the limiting groove, the spring is vertically arranged at the bottom of the limiting groove, when the spring is in a natural extension state, one end of the limiting sheet connected with the spring is higher than the other end of the limiting sheet,
all be provided with the push rod on a plurality of sliders, draw the top of a sediment section of thick bamboo body and be provided with the arc guide way correspondingly, the push rod is followed respectively rather than corresponding stretch out in the guide way, many the push rod all is connected with a carousel, still be provided with the handle on the carousel.
2. The hydronic drilling machine slag extractor of claim 1, wherein the angle between said drill teeth and said fixed plate is 15-45 °.
3. The cyclic drilling machine skimming cartridge of claim 1, wherein said first flexible screen is made of a plurality of flexible cords having one end fixed to the inner wall of said skimming cartridge body along the circumference thereof and the other end twisted on the axis of said skimming cartridge body.
4. The cyclic drilling machine slag removal cylinder according to claim 1, wherein the second flexible screen comprises a plurality of flexible ropes and a frame for fixing the flexible ropes, one ends of the flexible ropes are fixed on the frame, the other ends of the flexible ropes are twisted on the central position of the frame, and the number of the flexible ropes on the second flexible screen and the arrangement distance between every two adjacent flexible ropes are the same as those of the first flexible screen.
5. The hydrodrill slagging cartridge according to claim 1, wherein the length of said limiting groove is equal to the length of said limiting piece.
6. The recycling drill slag removing barrel according to claim 1, wherein a drill bit ring is detachably arranged at the bottom of the slag removing barrel body, a plurality of arc-shaped cutting blades are arranged on the drill bit ring along the circumferential direction of the drill bit ring in the direction away from the fixing plate, and the cutting blades are bent towards the axial center direction of the drill bit ring.
7. The hydronic drilling machine slag extractor of claim 6, wherein said cutting blade further comprises a plurality of cylindrical drilling teeth disposed on an inner wall thereof, said drilling teeth being disposed toward an axial center of said drill collar and being angled with respect to said cutting blade.
8. The hydronic drilling rig skimming cartridge of claim 7, wherein the angle between the cylindrical drilling teeth and the cutting blades is 15-30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610192.0A CN110424915B (en) | 2018-03-26 | 2018-03-26 | Slag removing cylinder of circulating drilling machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253252.3A CN108661583B (en) | 2018-03-26 | 2018-03-26 | Circulation drilling machine draws slag cylinder |
| CN201910610192.0A CN110424915B (en) | 2018-03-26 | 2018-03-26 | Slag removing cylinder of circulating drilling machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810253252.3A Division CN108661583B (en) | 2018-03-26 | 2018-03-26 | Circulation drilling machine draws slag cylinder |
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| Publication Number | Publication Date |
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| CN110424915A CN110424915A (en) | 2019-11-08 |
| CN110424915B true CN110424915B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810253252.3A Active CN108661583B (en) | 2018-03-26 | 2018-03-26 | Circulation drilling machine draws slag cylinder |
| CN201910610192.0A Active CN110424915B (en) | 2018-03-26 | 2018-03-26 | Slag removing cylinder of circulating drilling machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810253252.3A Active CN108661583B (en) | 2018-03-26 | 2018-03-26 | Circulation drilling machine draws slag cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111501716A (en) * | 2020-04-20 | 2020-08-07 | 中国一冶集团有限公司 | Slag removing tool and using method thereof |
| CN114753793B (en) * | 2022-03-23 | 2024-01-16 | 中铁十局集团青岛工程有限公司 | Slag soil collecting drill bit for reverse circulation drilling machine |
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| CN202187735U (en) * | 2011-09-02 | 2012-04-11 | 中铁上海工程局第一工程有限公司 | Bored pile tubular drill for fishing residue |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102425388A (en) * | 2011-09-02 | 2012-04-25 | 中铁上海工程局第一工程有限公司 | Slag salvaging cylindrical drill for drilled pile |
| CN204252894U (en) * | 2014-11-13 | 2015-04-08 | 中勘冶金勘察设计研究院有限责任公司 | Large stone pebble layer creeps into uses Pump breath countercirculate drill bit |
| CN104832118A (en) * | 2015-05-12 | 2015-08-12 | 葛洲坝集团第一工程有限公司 | Device and method for fishing drill dregs |
| CN106677185A (en) * | 2017-03-30 | 2017-05-17 | 中交第三航务工程局有限公司南京分公司 | Quick cleaning device for boulders in cast-in-place pile and construction process thereof |
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- 2018-03-26 CN CN201810253252.3A patent/CN108661583B/en active Active
- 2018-03-26 CN CN201910610192.0A patent/CN110424915B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202187735U (en) * | 2011-09-02 | 2012-04-11 | 中铁上海工程局第一工程有限公司 | Bored pile tubular drill for fishing residue |
| AU2017228629B2 (en) * | 2013-09-24 | 2017-12-07 | Baker Hughes, A Ge Company, Llc | Subterranean solids separator |
| CN205823216U (en) * | 2016-06-07 | 2016-12-21 | 四川盛唐建设工程有限公司 | Underwater cast-in-place pile drags for slag drill bit |
| CN206513332U (en) * | 2017-02-18 | 2017-09-22 | 中铁华铁工程设计集团有限公司 | Drilling tool for mechanical pile in hole |
| CN107476764A (en) * | 2017-10-11 | 2017-12-15 | 上海长凯岩土工程有限公司 | A kind of Drilling by circulation rig cylinder bores |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108661583B (en) | 2019-07-23 |
| CN110424915A (en) | 2019-11-08 |
| CN108661583A (en) | 2018-10-16 |
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