CN214576822U - Drill rod clamping device - Google Patents
Drill rod clamping device Download PDFInfo
- Publication number
- CN214576822U CN214576822U CN202120285928.4U CN202120285928U CN214576822U CN 214576822 U CN214576822 U CN 214576822U CN 202120285928 U CN202120285928 U CN 202120285928U CN 214576822 U CN214576822 U CN 214576822U
- Authority
- CN
- China
- Prior art keywords
- holder
- drill rod
- jacking device
- clamp holder
- slip assembly
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a drilling rod clamping device, it includes safeties, top tight device and holder, and the tight device in top is installed on the holder, and safeties is connected with the one end of the tight device in top, and safeties is compressed by the tight device in top, and the other end of the tight device in top supports the drilling rod in the tight holder cavity. The utility model has the advantages that: the utility model discloses a main function is at the rig probing sample in-process of hydraulic pressure locking, runs into the underground rock cavern or other circumstances, and when the engine stalled suddenly, can kick-back automatically by the tight device compression safeties in top to on continuing to compress tightly the drilling rod in the holder with the tight device in top, thereby make the drilling rod can not drop, avoid risks such as loss.
Description
Technical Field
The utility model belongs to the connection field of rig drilling rod, concretely relates to drilling rod clamping device.
Background
With the advancement of science and technology and the improvement of living standard of people, automobiles also become common articles in people's life, and along with the increase of automobiles, the demand of oil or natural gas is increased, so that the exploitation of oil and natural gas is a very important project.
Oil exploitation is a system engineering and needs a combination of multiple disciplines and multiple fields to be realized. The general steps are as follows: performing three-dimensional seismic census by a geologist according to local sediment condition analysis, wherein the aim is to find a possible oil-producing trap structure; according to the three-dimensional seismic analysis result and the deposition theory analysis, the underground structure with oil and gas trapping is considered to be possible, and the exploration well is drilled by a drilling machine; if oil gas display is found during well drilling, the well drilling range is expanded to find industrial oil gas flow; after industrial oil and gas flow is found, a large number of production wells are drilled; after the production well is drilled out, a ground pipeline and an oil gas treatment station are built by an oil construction company; and (3) installing the oil pumping unit in an oil extraction plant, building a metering station, carrying out operation on an oil well by an underground operation company, and then carrying out oil extraction production.
However, in the well drilling process, the drilling machine is frequently flamed out due to various reasons, and after an engine is flamed out, a hydraulic system can also be flamed out by a common drill rod clamp for locking a drill rod through a hydraulic jacking device, so that the drill rod is loosened and even falls off, and the construction time is increased or the drill rod is lost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a drill rod clamping device.
The utility model discloses the technical scheme who adopts does: the utility model provides a drilling rod clamping device, includes safeties, top tight device and holder, and the top tight device is installed on the holder, and safeties is connected with the one end of top tight device, and safeties is compressed by the top tight device, and the other end of top tight device supports the drilling rod in the tight holder cavity.
Further, the safety device is an elastic element, and the elastic element is connected with the jacking device through a connecting piece.
Furthermore, the elastic element is a nitrogen spring, the connecting piece is a steel wire retaining ring for the shaft, and a shell of the nitrogen spring is fixed on the inner side wall of the jacking device through the steel wire retaining ring for the shaft.
Furthermore, the jacking device is a hydraulic jacking device, a base of the hydraulic jacking device is installed on the outer side wall of the top of the clamp holder through a bolt assembly, one end of the hydraulic jacking device compresses the safety device, and the other end of the hydraulic jacking device compresses the drill rod in the cavity of the clamp holder.
Furthermore, a clamping block is arranged in the cavity of the clamp holder, and the clamping block is tightly pressed on a drill rod in the clamp holder by the abutting device.
Furthermore, the holder is a seat type drill rod holder, a plurality of mounting holes are formed in the circumferential side wall of the seat type drill rod holder along the drill rod, and an ejector rod of the jacking device penetrates through the mounting holes.
Further, the number of the mounting holes is 3.
Furthermore, a connecting flange is arranged on the side surface of the clamp holder perpendicular to the drill rod.
Furthermore, a pressing plate is installed on one surface of the connecting flange, the pressing plate is located in the cavity of the holder, and the clamping block is blocked by the pressing plate in the axial direction of the drill rod.
Furthermore, a connecting flange seat is arranged on the other surface of the connecting flange
The utility model has the advantages that: the utility model discloses a main function is at the rig probing sample in-process of hydraulic pressure locking, runs into the underground rock cavern or other circumstances, and when the engine stalled suddenly, can kick-back automatically by the tight device compression safeties in top to on continuing to compress tightly the drilling rod in the holder with the tight device in top, thereby make the drilling rod can not drop, avoid risks such as loss.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-safety device, 2-connecting piece, 4-tightening device, 5-clamping block, 6-clamp holder, 7-pressing plate, 8-connecting flange and 9-connecting flange seat.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a drill rod clamping device, which includes a safety device 1, a tightening device 4 and a holder 6, wherein the safety device 1 is an elastic element, the safety device 1 is connected to one end of the tightening device 4, the tightening device 4 is mounted on the holder 6, the safety device 1 is compressed by the tightening device 4, and during normal operation, the other end of the tightening device 4 is pressed against a drill rod in a cavity of the holder 6; when the jacking device 4 fails due to the flameout of the engine, the compressed safety device 1 rebounds and pushes the ejector rod of the jacking device 4 to continuously jack the drill rod in the clamp holder 6.
In this example, as shown in fig. 1, the safety device 1 is a nitrogen spring, the cylinder outer diameter of the nitrogen spring is 75mm, the piston rod diameter is 45mm, the connecting piece 2 is a shaft steel retainer ring with phi 70 × 5mm, and the housing of the nitrogen spring is fixed on the inner side wall of the jacking device 4 through the shaft steel retainer ring.
In this example, as shown in fig. 1, the tightening device 4 is a hydraulic cylinder, a base of the hydraulic cylinder is empty and is provided with a steel wire retainer ring circular groove for mounting a shaft with a diameter of 70 × 5mm, the base of the hydraulic cylinder is mounted on the outer side wall of the top of the holder 6 through a bolt assembly, the other end of the hydraulic cylinder compresses the safety device 1, and the other end of the hydraulic cylinder compresses the drill rod in the cavity of the holder 6.
In this example, as shown in fig. 1, a clamping block 5 is arranged in a cavity of a holder 6, and a tightening device 4 presses the clamping block 5 against a drill rod in the holder 6, because the clamping block 5 can rub against the drill rod during operation, a contact surface between the clamping block 5 and the drill rod should be subjected to wear-resistant treatment or made of a wear-resistant material, and preferably, a contact surface between the clamping block 5 and the drill rod can be plated with a smooth silicon nitride material.
In this example, as shown in fig. 1, optionally, the holder 6 is a seat type drill rod holder, the holder 6 is provided with a plurality of mounting holes 61 along the circumferential side wall of the drill rod, in order to make the stress of the drill rod uniform, preferably, the seat type drill rod holder is provided with 3 mounting holes 61 at equal intervals along the circumferential side wall of the drill rod, the 3 mounting holes 61 are all provided with the tightening devices 4, and each tightening device 4 can be correspondingly provided with the safety device 1 according to the above structure.
In this example, as shown in fig. 1, a connection flange 8 is installed on a side surface of the holder 6 perpendicular to the drill rod, a pressing plate 7 is installed on one side surface of the connection flange 8, the pressing plate 7 is located in a cavity of the holder 6, the pressing plates 7 are respectively installed at two ends of the fixture block 5, the fixture block 5 is blocked by the pressing plates 7 in the axial direction of the drill rod, the fixture block 5 is prevented from sliding out of the holder 6 due to the driving of the friction force of the drill rod, a connection flange seat 9 is installed on the other side surface of the connection flange 8, the connection flange 8 and the connection flange seat 9 are used for being connected with the drilling machine, and the concentricity of the holder 6 and the drilling machine is ensured.
Example two:
the embodiment provides a drill rod clamping device which comprises a safety device 1, a jacking device 4 and a clamp holder 6, wherein the safety device 1 is an elastic element, the safety device 1 is connected with one end of the jacking device 4, the jacking device 4 is installed on the clamp holder 6, the safety device 1 is compressed by the jacking device 4, and the other end of the jacking device 4 is pressed on a drill rod in a cavity of the clamp holder 6 during normal work; when the jacking device 4 fails due to the flameout of the engine, the compressed safety device 1 rebounds and pushes the ejector rod of the jacking device 4 to continuously jack the drill rod in the clamp holder 6.
In this example, the safety device 1 is a steel plate with a spring fixedly mounted at the center, the 4 corners of the steel plate are locked at the top of the holder 6 through a long threaded stud, a slide rail is further arranged on the safety device 1, the jacking device 4 is slidably mounted on the slide rail, the spring jacking device 4 at the center of the steel plate is compressed during operation, when the engine is shut down and the jacking device 4 fails, the steel plate is fixed with the shell of the jacking device 4, therefore, due to the elasticity of the spring, the jacking device 4 is continuously pressed to compress the drill rod in the cavity of the holder 6 along the movement of the slide rail under the action of the elastic force of the spring to prevent dropping, and when the air circuit system is unobstructed, due to the fact that the cylinder shell returns along the slide rail.
In this example, the tight device 4 in top is annular cylinder, but four angles of cylinder and slidable mounting are on the slide rail on the steel sheet, be equipped with fixture block 5 in the holder 6 cavity, the piston rod and the fixture block 5 fixed connection of cylinder, the tight device 4 in top sticiss fixture block 5 on the drilling rod in holder 6, because fixture block 5 can produce the friction with the drilling rod at the during operation, consequently, the contact surface of fixture block 5 and drilling rod should be done wear-resisting treatment or select wear-resisting material, as preferred, the smooth silicon nitride material of one deck can be plated to the contact surface of fixture block 5 and drilling rod.
In this example, the fixture block 5 is fixed with the tightening device 4, and the steel plate is fixed with the holder 6 through bolted connection, so that the working space is saved, and the fixture block 5 is relatively fixed with the tightening device 4, thereby effectively avoiding the problem that the fixture block 5 is difficult to assemble and disassemble due to too high degree of freedom.
In this example, optionally, the holder 6 is a seat type drill rod holder, the holder 6 is provided with a plurality of mounting holes 61 along the circumferential side wall of the drill rod, in order to make the stress of the drill rod uniform, preferably, the seat type drill rod holder is provided with 3 mounting holes 61 at equal intervals along the circumferential side wall of the drill rod, the 3 mounting holes 61 are all provided with the tightening devices 4, and each tightening device 4 can be correspondingly provided with the safety device 1 according to the above structure.
In this example, a connection flange 8 is installed on the side surface of the holder 6 perpendicular to the drill rod, a pressing plate 7 is installed on one side of the connection flange 8, the pressing plate 7 is located in the cavity of the holder 6, the pressing plates 7 are arranged at both ends of the fixture block 5, the fixture block 5 is blocked by the pressing plates 7 in the axial direction of the drill rod, further, the fixture block 5 is prevented from sliding out of the holder 6 due to the driving of the friction force of the drill rod, a connection flange seat 9 is installed on the other side of the connection flange 8, the connection flange 8 and the connection flange seat 9 are used for being connected with a drilling machine, and the concentricity of the holder 6 and the drilling machine is ensured, which is a common means in the field and is not described herein.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A kind of drilling rod clamping device, characterized by: the device comprises a safety device (1), a jacking device (4) and a clamp holder (6), wherein the jacking device (4) is installed on the clamp holder (6), the safety device (1) is connected with one end of the jacking device (4), the safety device (1) is compressed by the jacking device (4), and the other end of the jacking device (4) abuts against a drill rod in a cavity of the clamp holder (6).
2. The slip assembly of claim 1, wherein: the safety device (1) is an elastic element, and the elastic element is connected with the jacking device (4) through a connecting piece (2).
3. The slip assembly of claim 2, wherein: the elastic element is a nitrogen spring, the connecting piece (2) is a steel wire retainer ring for the shaft, and a shell of the nitrogen spring is fixed on the inner side wall of the jacking device (4) through the steel wire retainer ring for the shaft.
4. A pipe gripping apparatus according to any one of claims 1 to 3, wherein: the hydraulic jacking device (4) is a hydraulic jacking device, a base of the hydraulic jacking device is installed on the outer side wall of the top of the clamp holder (6) through a bolt assembly, one end of the hydraulic jacking device compresses the safety device (1) and the other end of the hydraulic jacking device compresses the drill rod in the cavity of the clamp holder (6).
5. The slip assembly of claim 1, wherein: a clamping block (5) is arranged in a cavity of the clamp holder (6), and the clamping block (5) is tightly pressed on a drill rod in the clamp holder (6) by the jacking device (4).
6. The slip assembly of claim 5, wherein: the holder (6) is a seat type drill rod holder, a plurality of mounting holes (61) are formed in the circumferential side wall of the seat type drill rod holder along a drill rod, and an ejector rod of the jacking device (4) penetrates through the mounting holes (61).
7. The slip assembly of claim 6, wherein: the number of the mounting holes (61) is 3.
8. The slip assembly of claim 6, wherein: and a connecting flange (8) is arranged on the side surface of the clamp holder (6) vertical to the drill rod.
9. The slip assembly of claim 8, wherein: and a pressing plate (7) is installed on one surface of the connecting flange (8), the pressing plate (7) is positioned in the cavity of the holder (6), and the pressing plate (7) blocks the clamping block (5) in the axial direction of the drill rod.
10. The slip assembly of claim 9, wherein: and a connecting flange seat (9) is arranged on the other surface of the connecting flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285928.4U CN214576822U (en) | 2021-02-01 | 2021-02-01 | Drill rod clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285928.4U CN214576822U (en) | 2021-02-01 | 2021-02-01 | Drill rod clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214576822U true CN214576822U (en) | 2021-11-02 |
Family
ID=78349218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120285928.4U Expired - Fee Related CN214576822U (en) | 2021-02-01 | 2021-02-01 | Drill rod clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214576822U (en) |
-
2021
- 2021-02-01 CN CN202120285928.4U patent/CN214576822U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |