CN209990450U - Drilling casing plugging and unplugging assistor and drilling machine - Google Patents
Drilling casing plugging and unplugging assistor and drilling machine Download PDFInfo
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- CN209990450U CN209990450U CN201920786034.6U CN201920786034U CN209990450U CN 209990450 U CN209990450 U CN 209990450U CN 201920786034 U CN201920786034 U CN 201920786034U CN 209990450 U CN209990450 U CN 209990450U
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- drill rod
- drilling
- auxiliary device
- catcher
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- 238000005553 drilling Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002689 soil Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a drilling sleeve plugging auxiliary device, which relates to the technical field of drilling machines and solves the technical problem that when the mud dado is invalid in the drilling construction of a field with a large thickness of silty soil layer, the sleeve is difficult to be inserted and pulled out; the auxiliary device comprises an auxiliary device main body and a drill rod connector connected to the periphery of the auxiliary device main body, wherein the auxiliary device main body can be sleeved on a drilling sleeve and is driven into a soil layer along with the drilling sleeve and the drill rod connector; one end of the drill rod catcher is a water inlet, and the other end of the drill rod catcher is a water outlet, so that water can enter from the water inlet and flow out from the water outlet to flush the soil layer beside the drilling casing corresponding to the water outlet; the utility model also provides a rig. The utility model discloses a probing sleeve pipe plug assistor mainly acts on through the frictional force that changes the peripheral soil layer of probing sleeve pipe to reach smooth lower casing pipe and extract the sleeve pipe, improve probing efficiency's purpose.
Description
Technical Field
The utility model belongs to the technical field of the rig technique and specifically relates to a probing sleeve pipe plug assistor and rig is related to.
Background
Drilling or exploration is a mechanical engineering technique that uses deep drilling to extract natural resources from the earth or sea bottom, or to take the real situation of the section of the stratum to capture physical samples, so as to provide experiments to obtain relevant data.
Under normal conditions, two methods of mud wall protection and pipe following drilling are used for supporting the wall of a drilled hole, but different methods have application limitations under certain conditions.
Geological drilling is carried out on a place with a large thickness of the upper silty soil layer, and a mud retaining wall is adopted under the general condition of preventing collapse. However, some site accessory project constructions cause overlarge vibration to soil layers, silty performance cannot be stabilized through mud retaining walls, and in the process of continuous collapse, not only is the construction efficiency influenced, but also the safety of a construction drilling machine is influenced when a large cavity is formed by collapse.
Therefore, the wall is protected by the casing, but the pore water pressure of the silty soil layer is high, and when the depth is high, the casing is very difficult to knock, and even is easy to knock. Similarly, after the casing is put in place, after a certain period of drilling construction, the pore water pressure of the silt soil layer is higher, the casing is firmly held (the friction force is high), the casing is difficult to lift in a mode of reversely beating a hanging hammer, and the casing is often easy to break or disjointed and cannot be completely taken out.
Therefore, the above technical problem is to be solved in the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a probing sleeve pipe plug assistor and rig has carried out the silty soil place of hammering or impact pile construction to neighbouring project, when the mud dado became invalid, under the lower casing pipe and the condition of extracting the sleeve pipe difficulty, can gain the effect of preferred.
The following explains various technical effects that can be produced by the preferred technical scheme in the technical schemes of the utility model. In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a drilling sleeve plugging assistor, which comprises an assistor main body and a drill rod catcher connected with the circumference of the assistor main body;
the auxiliary device main body can be sleeved on a drilling casing pipe and is driven into a soil layer along with the drilling casing pipe and the drill rod catcher;
one end of the drill rod catcher is a water inlet, the other end of the drill rod catcher is a water outlet, and water can enter from the water inlet and flow out from the water outlet to flush the soil layer beside the drilling casing corresponding to the water outlet.
In a preferred or alternative embodiment, the assistor body and the drill rod catcher are both metal tubes, and the axes of the assistor body and the drill rod catcher are parallel.
In a preferred or alternative embodiment, the drill pipe catcher has an outer diameter that is smaller than an outer diameter of the aide body.
In a preferred or alternative embodiment, one end of the drill rod joint is detachably and fixedly connected with an active drill rod of the drilling machine, and the water inlet on the drill rod joint is communicated with the water pump through the active drill rod.
In a preferred or alternative embodiment, the drill rod coupling is threadedly connected to the kelly of the drill rig by a coupling at an upper end thereof.
In a preferred or alternative embodiment, the rod wall of the drill rod catcher is provided with a groove for installing a wrench or a caliper to lock the drill rod catcher.
In a preferred or alternative embodiment, the drill rod catcher is further connected with 1-3 water outlets and is uniformly arranged on the circumference of the auxiliary device main body through pipeline connection.
In a preferred or alternative embodiment, the drill pipe catcher is welded to the aide body.
In a preferred or alternative embodiment, the inner diameter of the water outlet at one end of the drill pipe adaptor is smaller than the inner diameter of the water inlet.
A drilling machine comprises an active drill rod, a water pump and a drilling sleeve plugging and unplugging auxiliary device, wherein the drilling sleeve plugging and unplugging auxiliary device is in threaded connection with the active drill rod through a drill rod connector.
Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:
the utility model provides a probing sleeve pipe plug assistor can reciprocate on the sleeve pipe through setting up hollow iron pipe sleeve and break up the silt around the sleeve pipe, secondly the welding has the drilling rod catcher on the iron pipe, and drilling rod catcher lower extreme is provided with the delivery port, and the water coming out from the delivery port can wash away the silt on the sleeve pipe, and the primary function is through the frictional force that changes the peripheral soil layer of sleeve pipe to reach smooth lower casing and extract the sleeve pipe purpose.
The utility model discloses a rig efficiency improves 2-3 times than usual probing, possesses the pertinence, receives the place of vibration at silt nature soil layer, when the mud dado became invalid, can solve the lower casing pipe and extract the technical problem of sleeve pipe difficulty.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a drilling casing plugging/unplugging aid according to an embodiment of the present invention;
fig. 2 is a top view of a drilling casing plugging/unplugging aid according to an embodiment of the present invention;
fig. 3 is a diagram illustrating a state of the drilling casing plugging/unplugging aid according to an embodiment of the present invention.
In the figure, 1, an assistor body; 2. a drill rod catcher; 3. a water inlet; 4. a groove; 5. a water outlet; 6. welding; 7. drilling a casing; 8. and driving the drill rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1-3, an auxiliary device for inserting and pulling out a drilling casing comprises an auxiliary device main body 1 and a drill rod adapter 2 arranged on the circumference of the auxiliary device main body 1, wherein the auxiliary device main body 1 is sleeved on the drilling casing 7 and can move up and down to disperse silt around the drilling casing 7; the drill rod catcher 2 is a hollow rod, a water inlet 3 is arranged at the upper end of the drill rod catcher 2, a catcher thread is arranged at the water inlet 3, and a water outlet 5 is arranged at the lower end of the water inlet 3.
As an alternative embodiment, the auxiliary device main body 1 is a hollow iron pipe with an inner diameter larger than the outer diameter of the drilling casing 7, so as to be sleeved on the drilling casing 7 to move up and down, the length of the hollow iron pipe is preferably 15-20cm, and the outer diameter of the drill rod catcher 2 is smaller than the outer diameter of the auxiliary device main body 1.
As an alternative embodiment, the drill rod coupling 2 is arranged at a position 5cm from the bottom of the auxiliary body 1 for flushing silt on the drilling casing 7, and the flushing effect is optimal, and the drill rod coupling 2 is in threaded connection with the active drill rod 8 of the drilling machine through the coupling at the upper end thereof in a manner convenient for installation and disassembly.
As an optional implementation mode, a groove 4 is formed in the rod wall of the drill rod joint 2 and used for installing a wrench or a caliper to lock the drill rod joint 2, the drill rod joint is welded 6 on the auxiliary device main body 1 and is firm and reliable, the diameter of a water outlet 5 at the lower end of the drill rod joint 2 is smaller than that of a water inlet 3 at the upper end, and the flushing effect is better.
As an optional implementation mode, 1-3 water outlets can be added around the auxiliary device main body 1 and are connected with the drill rod connector 2 through pipelines, the added water outlets are uniformly arranged around the auxiliary device main body 1 and simultaneously discharge water with the water outlet 5 at the lower end of the drill rod connector 2, so that the flushing of soil layers around the drilling casing 7 is facilitated, and the flushing effect is better.
The utility model provides a probing sleeve pipe plug assistor is 15-20 cm's iron pipe for one section length, and both sides welding drilling rod catcher 2, the rivers of taking certain pressure flow out through 2 ends of the drilling rod catcher that initiative drilling rod 8 is connected, directly erode the silt on next door, through reciprocating sleeve pipe assistor main part 1 in addition, cause destruction to the soil layer of the peripheral round of sleeve pipe, make its frictional force diminish in the short time.
Specifically, the drilling casing plugging auxiliary device mainly functions to achieve the purposes of smoothly running and pulling out the casing and improving the drilling efficiency by changing the friction force of the soil layer around the casing. Particularly, a better effect is easily obtained under the conditions that the mud retaining wall fails and the casing is difficult to set and pull out in a silt soil field in which hammering or pile impacting construction is carried out on adjacent projects.
The utility model provides a drilling machine, including probing sleeve pipe plug assistor, water pump and initiative drilling rod 8, probing sleeve pipe plug assistor passes through drilling rod catcher 2 and 8 threaded connection of initiative drilling rod.
The utility model discloses a concrete operation mode, at first carry out threaded connection with the initiative drilling rod 8 of drilling rod catcher 2 and rig, and screw up drilling rod catcher 2 through the spanner in recess 4 department, secondly embolia assistor main part 1 from probing sleeve pipe 7 top, water pump on the rig is gone into hollow initiative drilling rod 8 with water from the water pipe pump, and pump out through 2 terminal delivery ports 5 of drilling rod catcher, rivers have certain pressure, can wash out the silt that has closely knit around probing sleeve pipe 7, make and lose frictional resistance in its short time, reciprocate initiative drilling rod 8 simultaneously, make the silt around probing sleeve pipe 7 break away, finally can extract probing sleeve pipe 7.
The utility model discloses a rig efficiency improves 2-3 times than usual probing, possesses the pertinence, receives the place of vibration at silt nature soil, and at mud dado inefficacy, the lower casing pipe has the effect that can't replace even with under the condition of extracting the sleeve pipe difficulty.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated. The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
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 preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A drilling casing plugging auxiliary device is characterized in that: comprises an assistor body (1) and a drill rod catcher (2) connected to the circumference of the assistor body (1); wherein,
the auxiliary device main body (1) can be sleeved on a drilling casing pipe (7) and is driven into a soil layer along with the drilling casing pipe (7) and the drill rod connector (2);
one end of the drill rod catcher (2) is provided with a water inlet (3), the other end of the drill rod catcher is provided with a water outlet (5), water can enter from the water inlet (3) and flow out from the water outlet (5) to flush the soil layer beside the drilling sleeve (7) corresponding to the water outlet (5).
2. The drilling casing plugging assist device of claim 1, wherein: the auxiliary device main body (1) and the drill rod joint (2) are both metal pipes, and the axes of the auxiliary device main body (1) and the drill rod joint (2) are parallel.
3. The drilling casing plugging assist device of claim 2, wherein: the outer diameter of the drill rod catcher (2) is smaller than that of the auxiliary device main body (1).
4. The drilling casing plugging assist device of claim 3, wherein: one end of the drill rod joint (2) is detachably and fixedly connected with an active drill rod (8) of the drilling machine, and the water inlet (3) on the drill rod joint (2) is communicated with the water pump through the active drill rod (8).
5. The drilling casing plugging assist device of claim 4, wherein: the drill rod catcher (2) is in threaded connection with a driving drill rod (8) of the drilling machine through a catcher at the upper end of the drill rod catcher.
6. The drilling casing plugging assist device of claim 5, wherein: the drill rod joint is characterized in that a groove (4) is formed in the rod wall of the drill rod joint (2) and used for installing a wrench or a caliper to tighten the drill rod joint (2).
7. The drilling casing plugging assist device of claim 6, wherein: the drill rod catcher (2) is also connected with 1-3 water outlets and is uniformly arranged in the circumferential direction of the auxiliary device main body (1) through pipeline connection.
8. The drilling casing plugging assist device of claim 7, wherein: the drill rod catcher (2) is welded on the auxiliary device main body (1).
9. The drilling casing plugging assist device of claim 8, wherein: the inner diameter of the water outlet (5) at one end of the drill rod catcher (2) is smaller than that of the water inlet (3).
10. A drilling rig, characterized by: comprising a kelly (8), a water pump and a drilling casing plugging aid according to any of claims 1-9, which is in threaded connection with the kelly (8) via the kelly joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920786034.6U CN209990450U (en) | 2019-05-28 | 2019-05-28 | Drilling casing plugging and unplugging assistor and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920786034.6U CN209990450U (en) | 2019-05-28 | 2019-05-28 | Drilling casing plugging and unplugging assistor and drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990450U true CN209990450U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920786034.6U Active CN209990450U (en) | 2019-05-28 | 2019-05-28 | Drilling casing plugging and unplugging assistor and drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990450U (en) |
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2019
- 2019-05-28 CN CN201920786034.6U patent/CN209990450U/en active Active
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