CN212479059U - Non-magnetic screw drill - Google Patents
Non-magnetic screw drill Download PDFInfo
- Publication number
- CN212479059U CN212479059U CN202021297724.4U CN202021297724U CN212479059U CN 212479059 U CN212479059 U CN 212479059U CN 202021297724 U CN202021297724 U CN 202021297724U CN 212479059 U CN212479059 U CN 212479059U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- plate
- core rod
- fixed
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a non-magnetic screw drilling tool, which comprises a non-magnetic drill bit, a drill rod and a drilling machine, wherein the non-magnetic drill bit comprises a cylinder body, a core rod, spiral strips, end plates, an arch-shaped cover plate, a connecting rod, a spring, a first guide strip, a second guide strip, a reset plate and a positioning sleeve; the end plate is fixed inside the left end of the cylinder, the core rod is movably inserted into the first through hole and concentrically arranged in the cylinder, two arc-shaped holes which are diagonally distributed with each other are formed in the end plate, and the left sides of the two arc-shaped holes are respectively provided with an arc-shaped cover plate which is matched with each other; the utility model fixes the detection equipment in the cylinder body, which can not only be close to the drill bit to ensure the accuracy of detection, but also effectively protect the detection equipment from being damaged, and simultaneously prevent the sand from contacting the detection equipment during drilling; after the drilling stops, as long as the rotary positioning sleeve is used for opening the two arched holes, the detection equipment can be used for detecting, the operation is simple, the working efficiency is improved, and the use is convenient.
Description
Technical Field
The utility model relates to a no magnetism screw rod drilling tool.
Background
The screw drilling tool is a positive displacement downhole power drilling tool which takes drilling fluid as power and converts liquid pressure energy into mechanical energy, and the non-magnetic screw drilling tool is a screw drilling tool which does not contain magnetic substances in a drill bit, in the coal mining process, when the drill bit of the screw drilling tool punches holes in a rock-soil layer, detection equipment is required to be frequently used for surveying the gas concentration and the hydrological condition in the hole; therefore, if the magnetic substance in the drill bit is removed, the detection equipment can be deeply inserted into the hole, and the detection accuracy can be ensured even if the detection equipment is close to the drill bit.
Although the existing non-magnetic screw drilling tool can enable the detection equipment to be close to the drill bit in a short distance, during detection, the detection equipment needs to be fixed at one end of the probe rod after the machine is stopped, and then the end of the probe rod fixed with the detection equipment is inserted into the hole to carry out detection, so that the operation is troublesome and the working efficiency is low; in addition, in the insertion process of the probe rod, the detection equipment is easy to collide with hard objects in the hole, so that the detection equipment is damaged; in addition, in case the hole inner wall takes place to cave in, sand will block going deep of check out test set, lead to check out test set can't reach the drill bit end, and then lead to detecting to go on, it is comparatively inconvenient to use.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that a can closely be close to the drill bit in order to guarantee the accuracy that detects, can effectively protect check out test set to avoid again and damage, the sand contact check out test set when simultaneously can also preventing to drill, and easy operation has improved work efficiency, convenient to use's no magnetism screw rod drilling tool.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a nonmagnetic screw drilling tool comprises a nonmagnetic drill bit, a drill rod and a drilling machine, wherein an output shaft of the drilling machine is connected with the nonmagnetic drill bit through the drill rod; the end plate is fixed inside the left end of the cylinder, a first through hole is formed in the center of the end plate, the core rod is movably inserted into the first through hole and concentrically arranged in the cylinder, a conical sleeve is outwards formed at the opening at the left end of the cylinder, the left end of the core rod penetrates through the conical sleeve and extends out of the left end of the cylinder, the spiral strip sleeve is fixed at the left end of the core rod and is arranged outside the cylinder and is matched with the conical sleeve, a conical part is formed at the closed position at the right end of the cylinder, a second through hole is formed in the center of the conical part, the right end of the core rod penetrates through the second through hole and extends out of the right end of the cylinder, two arc-shaped holes which are diagonally distributed are formed in the end plate, two arc-shaped cover plates which are matched with each other are arranged on the left sides of the two arc-shaped holes, and the inner linear edges of the two arc-shaped, the core bar is also provided with a connector outwards, the connector is arranged in the conical sleeve, a connecting rod which is diagonally distributed with each other is arranged between each arched cover plate and the connector, two ends of the connecting rod are respectively and rotatably connected to the connector and the arched cover plate, the inner wall of the first through hole is provided with a plurality of first guide grooves which are equiangularly distributed along the circumferential direction, correspondingly, the core bar is fixed with the same number of first guide strips, the plurality of first guide strips are respectively and movably inserted and arranged in the plurality of first guide grooves, the inner wall of the second through hole is provided with a plurality of second guide grooves which are equiangularly distributed along the circumferential direction, correspondingly, the core bar is fixed with the same number of second guide strips, the plurality of second guide strips are respectively and movably inserted and arranged in the plurality of second guide grooves, the reset plate is sleeved and fixed on the core bar and arranged in the right end of the barrel body, the spring is sleeved on the core rod and arranged in the conical part, one end of the spring is tightly propped against the right side of the reset plate, the other end of the spring is sleeved outside the second guide strips and tightly propped against the inner wall of the end part of the conical part, and the positioning sleeve is sleeved on the right end of the core rod in a screwed mode and arranged outside the right end of the barrel.
Preferably, the left end of the positioning sleeve is provided with a sinking cavity, and the inner diameter of the sinking cavity is matched with the positions of the second guide strips.
Preferably, the medical treatment device further comprises a transparent plate and an inner cylinder, the transparent plate is sleeved outside the core rod and fixed on the inner wall of the cylinder body and arranged between the end plate and the reset plate, the inner cylinder is concentrically sleeved outside the core rod and fixed between the end plate and the transparent plate, and a cabin body is formed between the inner cylinder and the cylinder body.
Preferably, the device further comprises a retaining ring which is fixed on the inner wall of the cylinder and arranged on the left side of the end plate.
Compared with the prior art, the utility model has the advantages of: the utility model fixes the detection equipment in the cylinder body, which can not only be close to the drill bit to ensure the accuracy of detection, but also effectively protect the detection equipment from being damaged, and simultaneously prevent the sand from contacting the detection equipment during drilling; after the drilling stops, as long as the rotary positioning sleeve is used for opening the two arched holes, the detection equipment can be used for detecting, the operation is simple, the working efficiency is improved, and the use is convenient.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a cross-sectional structure view of the non-magnetic drill of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
As shown in fig. 1-2, a non-magnetic screw drill comprises a non-magnetic drill bit 1, a drill rod 2 and a drill 3, wherein an output shaft of the drill 3 is connected with the non-magnetic drill bit 1 through the drill rod 2, and the non-magnetic drill bit 1 comprises a cylinder 11, a core rod 12, a spiral strip 13, an end plate 14, an arched cover plate 19, a connecting rod 110, a spring 111, a first guide strip 112, a second guide strip 113, a reset plate 114 and a positioning sleeve 18; the end plate 14 is fixed inside the left end of the cylinder 11, the center of the end plate 14 is provided with a first through hole 143, the core rod 12 is movably inserted into the first through hole 143 and concentrically arranged in the cylinder 11, the left end opening of the cylinder 11 is outwardly formed with a taper sleeve 1101, the left end of the core rod 12 passes through the taper sleeve 1101 and extends out of the left end of the cylinder 11, the spiral strip 13 is sleeved and fixed at the left end of the core rod 12 and arranged outside the cylinder 11 and is mutually matched with the taper sleeve 1101, the right end closing part of the cylinder 11 is formed with a taper part 1102, the center of the taper part 1102 is provided with a second through hole 1103, the right end of the core rod 12 passes through the second through hole 1103 and extends out of the right end of the cylinder 11, the end plate 14 is provided with two arc holes 142 which are diagonally distributed, the left sides of the two arc holes 142 are respectively provided with an arc cover plate 19 which is mutually matched, the inner linear edges of the two arc cover plates 19, the core rod 12 is further outwardly formed with a connector 121, the connector 121 is disposed in the tapered sleeve 1101, a connecting rod 110 diagonally distributed with each other is disposed between each arcuate cover plate 19 and the connector 121, two ends of the connecting rod 110 are rotatably connected to the connector 121 and the arcuate cover plate 19, a plurality of first guide grooves 141 equiangularly distributed along the circumferential direction are disposed on an inner wall of the first through hole 143, correspondingly, the same number of first guide bars 112 are fixed on the core rod 12, the plurality of first guide bars 112 are movably inserted into the plurality of first guide grooves 141, a plurality of second guide grooves 1104 equiangularly distributed along the circumferential direction are disposed on an inner wall of the second through hole 1103, correspondingly, the same number of second guide bars 113 are fixed on the core rod 12, the plurality of second guide bars 113 are movably inserted into the plurality of second guide grooves, the reset plate 114 is fixed on the core rod 12 and disposed inside the right end of the barrel 11, the spring 111 is sleeved on the core rod 12 and arranged in the tapered portion 1102, one end of the spring 111 is tightly pressed against the right side of the reset plate 114, the other end of the spring 111 is sleeved outside the second guide strips 113 and tightly pressed against the inner wall of the end portion of the tapered portion 1102, the positioning sleeve 18 is sleeved and screwed on the right end of the core rod 12 and arranged outside the right end of the barrel body 11, the left end of the positioning sleeve 18 is provided with a sinking cavity 181, and the inner diameter of the sinking cavity 181 is matched with the positions of the second guide strips 113.
In a preferred embodiment of the present invention, a non-magnetic screw drill further comprises a transparent plate 15 and an inner cylinder 16, wherein the transparent plate 15 is sleeved outside the core rod 12 and fixed on the inner wall of the cylinder 11 and disposed between the end plate 14 and the reset plate 114, the inner cylinder 16 is concentrically sleeved outside the core rod 12 and fixed between the end plate 14 and the transparent plate 15, and a cabin 17 is formed between the inner cylinder 16 and the cylinder 11.
In a preferred embodiment of the present invention, the non-magnetic screw drill further comprises a retainer ring 115, wherein the retainer ring 115 is fixed on the inner wall of the barrel 11 and is disposed on the left side of the end plate 14.
When the drill rod assembly is used, two ends of the drill rod 2 are respectively connected to the output shaft of the drilling machine 3 and the right end of the core rod 12, the detection equipment is arranged in the cabin body 17, then the positioning sleeve 18 is screwed to press the cylinder body 11 to move leftwards according to the threaded connection principle, the right ends of the second guide strips 113 are all located in the sinking cavity 181, the end plate 14 is close to the connecting head 121 due to the left movement of the cylinder body 11, the right ends of the two connecting rods 110 are driven to swing outwards, the two arched cover plates 19 are driven to swing rightwards to cover the two arched holes 142, and in the process, the spring 111 is compressed, and the right end of the spiral strip 13 extends into the conical sleeve 1101; then, the right end of the core rod 12 is abutted against the rock-soil layer and the drilling machine 3 is started, so that the core rod 12 is driven to rotate by the drill rod 2, a hole is drilled in the rock-soil layer by the aid of the spiral strips 13, and the cylinder body 11 rotates along with the core rod 12 by the aid of the first guide strips 112 and the second guide strips 113; during drilling, sand can enter the conical sleeve 1101, but because the two arched holes 142 are blocked by the two arched cover plates 19, the sand cannot enter the cabin body 17 to damage the detection equipment, so that the detection equipment is effectively protected; after the drill is drilled to a certain depth, the drilling machine 3 is stopped, then the positioning sleeve 18 is rotated reversely, the cylinder body 11 moves rightwards under the action of the rebounding force of the spring 111, and then the two arched cover plates 19 swing leftwards according to the same principle, so that the detection head of the detection equipment can detect the bottom of the hole through the two arched holes 142.
The utility model fixes the detection equipment in the cylinder 11, which can not only be close to the drill bit to ensure the accuracy of detection, but also effectively protect the detection equipment from being damaged, and simultaneously prevent the sand from contacting the detection equipment during drilling; after the drilling stops, as long as the positioning sleeve 18 is rotated to open the two arch holes 142, the detection equipment can be used for detection, the operation is simple, the working efficiency is improved, and the use is convenient.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. A nonmagnetic screw drilling tool comprises a nonmagnetic drill bit, a drill rod and a drilling machine, wherein an output shaft of the drilling machine is connected with the nonmagnetic drill bit through the drill rod; the end plate is fixed inside the left end of the cylinder, a first through hole is formed in the center of the end plate, the core rod is movably inserted into the first through hole and concentrically arranged in the cylinder, a conical sleeve is outwards formed at the opening at the left end of the cylinder, the left end of the core rod penetrates through the conical sleeve and extends out of the left end of the cylinder, the spiral strip sleeve is fixed at the left end of the core rod and is arranged outside the cylinder and is matched with the conical sleeve, a conical part is formed at the closed position at the right end of the cylinder, a second through hole is formed in the center of the conical part, the right end of the core rod penetrates through the second through hole and extends out of the right end of the cylinder, two arc-shaped holes which are diagonally distributed are formed in the end plate, two arc-shaped cover plates which are matched with each other are arranged on the left sides of the two arc-shaped holes, and the inner linear edges of the two arc-shaped, the core bar is also provided with a connector outwards, the connector is arranged in the conical sleeve, a connecting rod which is diagonally distributed with each other is arranged between each arched cover plate and the connector, two ends of the connecting rod are respectively and rotatably connected to the connector and the arched cover plate, the inner wall of the first through hole is provided with a plurality of first guide grooves which are equiangularly distributed along the circumferential direction, correspondingly, the core bar is fixed with the same number of first guide strips, the plurality of first guide strips are respectively and movably inserted and arranged in the plurality of first guide grooves, the inner wall of the second through hole is provided with a plurality of second guide grooves which are equiangularly distributed along the circumferential direction, correspondingly, the core bar is fixed with the same number of second guide strips, the plurality of second guide strips are respectively and movably inserted and arranged in the plurality of second guide grooves, the reset plate is sleeved and fixed on the core bar and arranged in the right end of the barrel body, the spring is sleeved on the core rod and arranged in the conical part, one end of the spring is tightly propped against the right side of the reset plate, the other end of the spring is sleeved outside the second guide strips and tightly propped against the inner wall of the end part of the conical part, and the positioning sleeve is sleeved on the right end of the core rod in a screwed mode and arranged outside the right end of the barrel.
2. The non-magnetic screw drilling tool according to claim 1, wherein a sinking cavity is formed in the left end of the positioning sleeve, and the inner diameter of the sinking cavity is matched with the positions of the second guide strips.
3. The non-magnetic screw drill according to claim 1, further comprising a transparent plate and an inner cylinder, wherein the transparent plate is sleeved outside the core rod and fixed on the inner wall of the cylinder and between the end plate and the reset plate, the inner cylinder is concentrically sleeved outside the core rod and fixed between the end plate and the transparent plate, and a cabin is formed between the inner cylinder and the cylinder.
4. The non-magnetic screw drill according to claim 1, further comprising a retainer ring fixed to the inner wall of the barrel and disposed on the left side of the end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021297724.4U CN212479059U (en) | 2020-07-06 | 2020-07-06 | Non-magnetic screw drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021297724.4U CN212479059U (en) | 2020-07-06 | 2020-07-06 | Non-magnetic screw drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479059U true CN212479059U (en) | 2021-02-05 |
Family
ID=74456928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021297724.4U Active CN212479059U (en) | 2020-07-06 | 2020-07-06 | Non-magnetic screw drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720049A (en) * | 2020-07-06 | 2020-09-29 | 盐城市新永佳石油机械制造有限公司 | Non-magnetic screw drill |
-
2020
- 2020-07-06 CN CN202021297724.4U patent/CN212479059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720049A (en) * | 2020-07-06 | 2020-09-29 | 盐城市新永佳石油机械制造有限公司 | Non-magnetic screw drill |
| CN111720049B (en) * | 2020-07-06 | 2024-06-18 | 盐城市新永佳石油机械制造有限公司 | Non-magnetic screw drilling tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109577971B (en) | Ground stress testing device and method | |
| CN212479059U (en) | Non-magnetic screw drill | |
| CN206693921U (en) | The split type bore expanded hole drill bit of gas pumping | |
| WO2022021930A1 (en) | Coring device | |
| CN105201418B (en) | Coring drill rod and coring device | |
| CN111720049A (en) | Non-magnetic screw drill | |
| CN210317185U (en) | Colliery drilling rod with sample structure | |
| CN106124248A (en) | Ice chisel bit and use the ice sampling method that this drill bit realizes | |
| CN201620889U (en) | Small-pipe-diameter underground annular sampler | |
| CN215715185U (en) | Quick soil taking device for shaft foundation pit construction | |
| CN206648836U (en) | A kind of geology sampler | |
| CN213297856U (en) | Hexagonal drill rod unloading device | |
| KR102299933B1 (en) | Core barrel assembly for ground core sampler | |
| CN112923881A (en) | Zero-angle rotating telescopic arm for intelligent foundation pit detection | |
| CN201152898Y (en) | Shallow layer core fetching tool for oil and seismic exploration | |
| CN203936421U (en) | A kind of location rig | |
| CN208780185U (en) | Inclinometer | |
| CN214091702U (en) | Drilling device for coal mine | |
| CN207633884U (en) | A kind of vertical bars formula lock core marble | |
| CN221078127U (en) | Underground mine room safety sampling device | |
| CN114033328B (en) | Logging probe pipe fisher | |
| CN215485899U (en) | Drill rod and drill rod connecting device | |
| CN213842700U (en) | Drilling geology sampling device | |
| CN214463907U (en) | Barrel drill for hard cutting of unequal-strength plain piles in limited space | |
| CN212391422U (en) | Openable and closable in-hole resistivity testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |