CN219864864U - Pile casing for rotary drilling rig - Google Patents
Pile casing for rotary drilling rig Download PDFInfo
- Publication number
- CN219864864U CN219864864U CN202321353750.8U CN202321353750U CN219864864U CN 219864864 U CN219864864 U CN 219864864U CN 202321353750 U CN202321353750 U CN 202321353750U CN 219864864 U CN219864864 U CN 219864864U
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- section
- casing
- rotary drilling
- thick bamboo
- cutter
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- 238000005553 drilling Methods 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract 12
- 241001330002 Bambuseae Species 0.000 claims abstract 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract 12
- 239000011425 bamboo Substances 0.000 claims abstract 12
- 230000008878 coupling Effects 0.000 claims abstract 4
- 238000010168 coupling process Methods 0.000 claims abstract 4
- 238000005859 coupling reaction Methods 0.000 claims abstract 4
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 239000002689 soil Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a pile casing for a rotary drilling rig, and relates to the technical field of rotary drilling rigs. This a protect section of thick bamboo for dig rig soon is including installing coupling mechanism on dig rig soon's drilling rod and can dismantle the protection barrel main part of connecting on coupling mechanism, protects the barrel main part including the first section of thick bamboo and at least one second section of thick bamboo that protects that can dismantle the connection in proper order, and a plurality of cutter assemblies are installed to the lateral wall that keeps away from the tip of second section of thick bamboo that protects the first section of thick bamboo. According to the technical scheme, the pile casing for the rotary drilling rig can support and protect the hole wall in the rotary drilling process, so that the phenomenon that the hole wall collapses due to the fact that a drill bit drives a backfill soil inner boulder to rotate in the rotary drilling process is avoided.
Description
Technical Field
The utility model relates to the technical field of rotary drilling rigs, in particular to a pile casing for a rotary drilling rig.
Background
And (3) performing trial drilling on the site hole piles, wherein in the rotary drilling process, a drill bit drives the backfill soil inner boulders to rotate, so that the hole walls collapse a large amount of holes, the construction is continued until the hole depths are about 4 meters, surrounding hole wall broken stones collapse into the holes, thick-layer plain filling soil is distributed in the site, the plain filling soil takes broken stone as a main material (with larger grain size), and overhead phenomenon exists in the layers, and in the rotary drilling process, the drill bit drives the backfill soil inner boulders to rotate, so that the hole walls collapse a large amount of holes.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a pile casing for a rotary drilling rig, which can solve the problem that a drill bit drives a boulder in backfill soil to rotate to cause hole wall collapse in the rotary drilling process.
The utility model provides a casing for a rotary drilling rig, which comprises a connecting mechanism arranged on a drill rod of the rotary drilling rig and a casing main body detachably connected to the connecting mechanism, wherein the casing main body comprises a first casing section and at least one second casing section which are detachably connected in sequence, and a plurality of cutter assemblies are arranged on the outer side wall of the end part of the first casing section, which is far away from the second casing section.
As a further improvement of the above technical scheme:
the casing for a rotary drilling rig further comprises a cutter seat and a cutter detachably mounted on the cutter seat, and a cutter head of the cutter is inclined towards the rotation direction of the first casing section.
The casing for a rotary drilling rig, further, the connecting end part of the connecting mechanism, the end part of the first casing section and the end part of the second casing section are provided with a plurality of connecting holes at intervals along the circumferential direction of the connecting end part, and a connecting pin can sequentially pass through the connecting holes on the connecting mechanism and the connecting holes on the first casing section to connect the first casing section to the connecting mechanism; the connecting pin can sequentially pass through the connecting hole on the connecting mechanism and the connecting hole on the second protective cylinder section to connect the second protective cylinder section to the connecting mechanism; the connecting pin can sequentially pass through the connecting hole on the second cylinder protection section and the connecting hole on the first cylinder protection section so as to connect the first cylinder protection section to the second cylinder protection section.
The casing for a rotary drilling rig, further, the connecting end part of the connecting mechanism, the end part of the first casing section and the end part of the second casing section are provided with mutually matched step surfaces along the circumferential direction of the connecting end part, and the connecting hole is formed in the step surfaces.
The above-described features may be combined in various suitable ways or replaced by equivalent features as long as the object of the present utility model can be achieved.
Compared with the prior art, the protective cylinder for the rotary drilling rig has the following beneficial effects: when the rotary drilling machine is required to be used for rotary drilling operation, the first casing section is connected to the connecting mechanism, the drill rod of the rotary drilling machine rotates to drive the first casing section to rotate, the cutter assembly on the first casing section rotationally digs the ground to enable the first casing section to penetrate into the ground, when the first casing section penetrates into the ground for a certain distance, the first casing section is separated from the connecting mechanism, the rotary drilling bit is installed on the drill rod of the rotary drilling machine, the drill rod of the rotary drilling machine rotates to drive the rotary drilling bit to rotationally drill the ground in the first casing section, then the rotary drilling bit is separated from the drill rod of the rotary drilling machine, the second casing section is respectively connected with the connecting mechanism and the first casing section, the drill rod of the rotary drilling machine rotates to drive the first casing section and the second casing section to rotate, and the rotary drilling back-filling layer is circularly carried out. The protection barrel for the rotary drilling rig can support and protect the hole wall in the rotary drilling process, so that hole wall collapse caused by rotation of boulders in backfill soil driven by a drill bit in the rotary drilling process is avoided.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 shows a schematic view of a use structure of a casing for a rotary drilling rig according to an embodiment of the present utility model;
fig. 2 shows a schematic structural view of a casing body of a casing for a rotary drilling rig according to an embodiment of the present utility model.
In the drawings, like parts are designated with like reference numerals. The figures are not to scale.
Reference numerals:
100-casing, 110-connecting mechanism, 120-casing main body, 121-first casing section, 122-second casing section, 123-cutter assembly, 124-cutter seat, 125-cutter, 126-connecting hole, 127-step surface, 200-drill rod.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The utility model will be further described with reference to the accompanying drawings.
The embodiment of the utility model provides a casing 100 for a rotary drilling rig, which can solve the problem that a drill bit drives a boulder in backfill soil to rotate in the rotary drilling process to cause hole wall collapse.
Referring to fig. 1 and 2, a casing 100 for a rotary drilling rig according to an embodiment of the present utility model includes a connection mechanism 110 mounted on a drill rod 200 of the rotary drilling rig, and a casing 100 body detachably connected to the connection mechanism 110, the casing 100 body including a first casing 100 section and at least one second casing 100 section detachably connected in sequence, and an outer sidewall of an end of the first casing 100 section remote from the second casing 100 section being mounted with a plurality of cutter assemblies 123.
When the rotary drilling rig is required to perform rotary drilling operation, the first casing section 100 is connected to the connection mechanism 110, the drill rod 200 of the rotary drilling rig is rotated to drive the first casing section 100 to rotate, the cutter assembly 123 on the first casing section 100 is rotated to drill the ground so that the first casing section 100 penetrates into the ground, when the first casing section 100 penetrates into the ground for a certain distance, the first casing section 100 is separated from the connection mechanism 110, the rotary drilling bit is mounted on the drill rod 200 of the rotary drilling rig, the drill rod 200 of the rotary drilling rig is rotated to drive the rotary drilling bit to drill the ground in the first casing section 100, then the rotary drilling bit is separated from the drill rod 200 of the rotary drilling rig, the second casing section 100 is respectively connected with the connection mechanism 110 and the first casing section 100, and the drill rod 200 of the rotary drilling rig is rotated to drive the first casing section 100 and the second casing section 100 to rotate, and thus the rotary drilling rig is circulated to drill the backfill soil layer.
The casing 100 for the rotary drilling rig provided by the embodiment of the utility model can support and protect the hole wall in the rotary drilling process, so that the phenomenon that the hole wall collapses due to the fact that a drill bit drives a boulder in backfill to rotate in the rotary drilling process is avoided.
Referring to fig. 2 specifically, referring to a casing 100 for a rotary drilling machine provided in an embodiment of the present utility model, a cutter assembly 123 includes a cutter seat 124 and a cutter 125 detachably mounted on the cutter seat 124, and a cutter head of the cutter 125 is inclined toward a rotation direction of a section of the first casing 100. The cutter head of the cutter 125 is inclined to the rotation direction of the first casing 100 section so that the cutter head of the cutter 125 cuts the ground when the first casing 100 section rotates.
Referring to fig. 1 and 2 specifically, a connection end of a connection mechanism 110, an end of a first casing section 100, and an end of a second casing section 100 are provided with a plurality of connection holes 126 spaced apart along a circumferential direction, and a connection pin can sequentially pass through the connection holes 126 on the connection mechanism 110 and the connection holes 126 on the first casing section 100 to connect the first casing section 100 to the connection mechanism 110; the connecting pin can sequentially pass through the connecting hole 126 on the connecting mechanism 110 and the connecting hole 126 on the second casing 100 section to connect the second casing 100 section to the connecting mechanism 110; the connecting pin can pass through the connecting hole 126 on the second casing section 100 and the connecting hole 126 on the first casing section 100 in sequence to connect the first casing section 100 to the second casing section 100.
In this embodiment, referring to fig. 1 and 2 specifically, the connecting end of the connecting mechanism 110, the end of the first casing 100 section, and the end of the second casing 100 section are all provided with mutually matching step surfaces 127 along the circumferential direction thereof, and the connecting hole 126 is provided on the step surfaces 127. When the first casing 100 section is connected to the connecting mechanism 110, the connecting end of the connecting mechanism 110 is sleeved at the end of the first casing 100 section, and the step surface 127 of the first casing 100 section is attached to the step surface 127 of the connecting mechanism 110; when the second casing 100 section is connected to the connecting mechanism 110, the connecting end of the connecting mechanism 110 is sleeved at the end of the second casing 100 section, and the step surface 127 of the second casing 100 section is attached to the step surface 127 of the connecting mechanism 110; when the second casing 100 section is connected to the first casing 100 section, the end of the second casing 100 section is sleeved on the end of the first casing 100 section, and the step surface 127 of the second casing 100 section is attached to the step surface 127 of the first casing 100 section.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (4)
1. The utility model provides a protect a section of thick bamboo for dig rig soon, a serial communication port, protect a section of thick bamboo for dig rig soon including install in coupling mechanism on dig rig's the drilling rod soon and can dismantle connect in protect a section of thick bamboo main part on the coupling mechanism, protect a main part including the first section of thick bamboo and at least one second section of thick bamboo that protects that can dismantle the connection in proper order protect, just the first section of thick bamboo keep away from the lateral wall of the tip of second section of thick bamboo is installed a plurality of cutter assemblies.
2. The casing for a rotary drilling rig of claim 1, wherein the cutter assembly includes a cutter seat and a cutter removably mounted to the cutter seat, and a cutter head of the cutter is inclined in a direction of rotation of the first casing section.
3. The casing for a rotary drilling rig according to claim 1 wherein the connecting end of the connecting mechanism, the end of the first casing section and the end of the second casing section are each provided with a plurality of connecting holes spaced apart along the circumference thereof, a connecting pin being able to pass through the connecting holes on the connecting mechanism and the connecting holes on the first casing section in sequence to connect the first casing section to the connecting mechanism; the connecting pin can sequentially pass through the connecting hole on the connecting mechanism and the connecting hole on the second protective cylinder section to connect the second protective cylinder section to the connecting mechanism; the connecting pin can sequentially pass through the connecting hole on the second cylinder protection section and the connecting hole on the first cylinder protection section so as to connect the first cylinder protection section to the second cylinder protection section.
4. A casing for a rotary drilling rig according to claim 3 wherein the connecting end of the connecting mechanism, the end of the first casing section and the end of the second casing section are provided with mutually matching stepped surfaces along the circumferential direction thereof, and the connecting hole is provided on the stepped surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353750.8U CN219864864U (en) | 2023-05-31 | 2023-05-31 | Pile casing for rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353750.8U CN219864864U (en) | 2023-05-31 | 2023-05-31 | Pile casing for rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219864864U true CN219864864U (en) | 2023-10-20 |
Family
ID=88368447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321353750.8U Active CN219864864U (en) | 2023-05-31 | 2023-05-31 | Pile casing for rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219864864U (en) |
-
2023
- 2023-05-31 CN CN202321353750.8U patent/CN219864864U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |