CN207296911U - Case pulling device - Google Patents
Case pulling device Download PDFInfo
- Publication number
- CN207296911U CN207296911U CN201721312446.3U CN201721312446U CN207296911U CN 207296911 U CN207296911 U CN 207296911U CN 201721312446 U CN201721312446 U CN 201721312446U CN 207296911 U CN207296911 U CN 207296911U
- Authority
- CN
- China
- Prior art keywords
- shaft part
- flat
- section
- male connector
- hole section
- 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.)
- Withdrawn - After Issue
Links
- 238000005553 drilling Methods 0.000 claims abstract description 33
- 230000007704 transition Effects 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010016825 Flushing Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Case pulling device be the utility model is related to solve to act the technical problem for pulling out bunch tube difficulty in the prior art.The case pulling device of the utility model is located at the lower end of bunch tube or middle lower end when in use, by female string, and by female with bunch tube tripping in drilling.Transferring male connector by drilling tool again makes the flat shaft part in male connector be inserted into the lower section of flat hole section in female, rotating male connector makes the length of flat shaft part towards the width with flat hole section towards unanimously, the upper end shaft shoulder of flat shaft part can be by the lower end aperture of flat shaft part along institute's block at this time, then above carries drilling tool and can pull loose bunch tube.Compared with Geology Drilling routinely rises and pulls out sleeve-like manner, casing is pulled out from the design position of bunch tube lower part, bunch tube forced position is moved to the optional position of bunch tube by bunch tube head, it is ensured that bunch tube is not easy to be pulled off when pulling up, and casing promotes successfully and all rise the probability to greatly improve.
Description
Technical field
It the utility model is related to case pulling device.
Background technology
After Geology Drilling is constructed to purpose of horizon, it is necessary to which tripping in is drawn water casing, carry out bailing test, grasp target zone
The hydrogeological data of position, evaluate the hydrogeologic condition of mining design and exploitation.Some hydrology drilling particularly one
A little mine well head inspection drillings, in the construction process, it is necessary to complete the work of drawing water of multiple intervals of interest, it is necessary to remove the set that draws water
Pipe is multiple.To realize that hydrology drilling single hole draws water and reduce at many levels the construction cost of drilling, draw water to purpose of horizon
After the test, it is necessary to go out the casing that draws water in tripping in hole from drilling.After in casing tripping in hole, purpose of horizon top
Draw water casing and hole wall design position carried out closing sealing, drawing water is full of mud between casing and borehole wall, at 15 days
In the bailing test cycle of left and right, can influence the to draw water safety of casing such as mud dehydration, sediment, chip off-falling and CO2 well-flushings rises in hole
Go out.
At present, the domestic method for pulling out the casing that draws water is as follows：From being pulled loose upwards positioned at the head of ground location for bunch tube
After bunch tube, then rise out successively between each other by the casing of screwed connection.Due to bunch tube in hole by the shadow of factors above
Ring, the intensity at the screw thread rear sleeve screwed connection position that casing itself tube wall is thin in addition, the processing of casing both ends is for connection is significantly
Decline, casing promotes pulling force to be very restricted.When pull-up bunch tube is hampered, casing will be difficult to go out from hole, if plus
Big pulling force, it is likely that a certain position among bunch tube can be broken, part tubular can only be played out, not only result in waste of material,
It can also cause continue to construct.
Utility model content
Pull out bunch tube to solve to rise in the prior art the purpose of this utility model is to provide a kind of case pulling device and be stranded
Difficult technical problem.
To achieve the above object, the case pulling device of the utility model uses following technical scheme：
The axis of case pulling device, including male connector and female, male connector and female is vertically extending, the female
On be provided with casing-pipe connection structure for connecting into bunch tube with adjacent casing, be provided with through hole, through hole bag in the middle part of female
The flat hole section and the reaming section positioned at flat hole section both sides, one end of male connector for including middle part are provided with the brill for being connected with drilling tool
Has connection structure, male connector includes flat shaft part, and the size of flat shaft part is more than the size of other shaft parts in male connector and forms size
Expanding reach, the size of the flat shaft part are less than the size of flat hole section so that flat shaft part can be entered by the flat hole section
In the reaming section of its lower end, the length of the flat shaft part cross section is more than the width of flat hole section cross section.
Be machined with transition inner conical surface between the flat hole section and reaming section, the upper end shaft shoulder of flat shaft part with above it
The transition male cone (strobilus masculinus) for coincideing and being adapted to the transition inner conical surface shape is machined between shaft part.
The upper and lower end aperture edge of the flat hole section is both provided with the transition inner conical surface.
The male connector further includes the guiding shaft part positioned at flat shaft part lower end, and the diameter for being oriented to shaft part is less than or equal to
The width of flat shaft part cross section.
The shape of the flat shaft part is coincide with the shape of flat hole section to be adapted to.
The flat shaft part and the length direction both ends of flat hole section are arc and make its shape of cross section be in key-shaped.
The beneficial effects of the utility model are as follows：When in use, female string is set for the case pulling device of the utility model
In the lower end of bunch tube or middle lower end, and by female with bunch tube tripping in drilling.Transferring male connector by drilling tool again makes in male connector
Flat shaft part be inserted into the lower section of flat hole section in female, rotate male connector make the length of flat shaft part towards and flat hole section
For width towards unanimously, the upper end shaft shoulder of flat shaft part can be by the lower end aperture of flat hole section along institute's block at this time, then above carries drilling tool
Bunch tube can be pulled loose.Compared with Geology Drilling routinely rises and pulls out sleeve-like manner, pulled out from the design position of bunch tube lower part
Casing, bunch tube forced position are moved to the optional position of bunch tube by bunch tube head, it is ensured that bunch tube is not easy to be drawn when pulling up
Disconnected, casing promotes successfully and all rises the probability to greatly improve.
Brief description of the drawings
Fig. 1 be the utility model case pulling device one embodiment in male connector structure diagram；
Fig. 2 is the left view of Fig. 1；
Fig. 3 be the utility model case pulling device one embodiment in female structure diagram；
Fig. 4 is the left view of Fig. 3.
Embodiment
The embodiment of the case pulling device of the utility model：
The structure of the case pulling device of the utility model is as shown in Fig. 1 ~ Fig. 4, including male connector 1 and female 2,1 He of male connector
Female 2 is vertically extending.For female 2 in tandem in bunch tube, the both ends of 2 axis direction of female process first respectively
Helicitic texture and the second helicitic texture, first, second helicitic texture are adapted to corresponding cannula tip screw thread to realize both
It is threadedly coupled.In other embodiments, female can also can be connected to respective sleeve by first, second helicitic texture by others
On casing-pipe connection structure replace.
The middle part of female 2 is equipped with along its axis direction and penetrates through 2 both ends of female for the through hole of media flow, and through hole is along female
2 axis direction is divided into three sections, and interlude is the key-shaped hole section 21 that shape of cross section is in key-shaped, the length of 21 cross section of key-shaped hole section
Degree is more than width.Both ends are more than the diameter of the reaming section 22, in the present embodiment reaming section 22 of 21 width of key-shaped hole section for aperture
More than the length of 21 cross section of key-shaped hole section.The inner peripheral surface of reaming section 22 is cylindrical surface, and reaming section refers to the cross section of the hole section
Cross-sectional area of the product more than key-shaped hole section.
One end of the axis direction of male connector 1 is provided with the drilling tool connection structure for being connected with drilling tool, 1 axis direction of male connector
The other end be provided with and be oriented to shaft part 12, be oriented to shaft part between shaft part 12 and drilling tool connection structure shape of cross section be processed into
21 shape of key-shaped hole section is coincide the key-shaped shaft part 11 of adaptation.The length of 11 cross section of key-shaped shaft part is more than width, and male connector 1
Outside diameter at other shaft parts is equal to or less than the width of 11 cross section of key-shaped shaft part.
The middle part of male connector 1 is provided with the through hole 14 extended along its axis direction, and the upper end outer circumferential surface of through hole 14 is machined with confession
The external screw thread of the drilling tool connection, the external screw thread form the drilling tool connection structure.
To enable key-shaped shaft part 11 to insert from top to bottom and by key-shaped hole section 21, and after it is by key-shaped hole section 21,
Enable the shaft shoulder of 11 upper end of key-shaped shaft part by the lower end aperture of key-shaped hole section 21 along institute's block, key-shaped by rotating key-shaped shaft part 11
It should meet following size relationship between shaft part 11 and key-shaped hole section 21：The length of 11 cross section of key-shaped shaft part is less than key-shaped hole section 21
The length of cross section, the width of 11 cross section of key-shaped shaft part is less than the width of 21 cross section of key-shaped hole section, and key-shaped shaft part 11 is horizontal
The length in section is more than the width of 21 cross section of key-shaped hole section.
For increase key-shaped shaft part 11 and the contact area on 21 aperture edge of key-shaped hole section, the both ends of key-shaped hole section and corresponding reaming
Section between be machined with transition inner conical surface 23, be machined between the both ends shaft shoulder and corresponding shaft part of key-shaped shaft part with the transition
23 shape of the conical surface is coincide the transition male cone (strobilus masculinus) 13 of adaptation.
The actual size of male connector 1 and female 2 should be determined according to the actual size of bunch tube.
In other embodiments, key-shaped shaft part can also be replaced by the flat shaft part of other shape of cross sections, it is only necessary to flat
The lengthwise dimension of the shape of cross section of shape shaft part is more than width size；Correspondingly, key-shaped hole section can also be by
The flat hole section of other shape of cross sections replaces, it is only necessary to which it is wide that the lengthwise dimension of the shape of cross section of flat hole section is more than it
Spend the size in direction；Certainly, the shape of cross section of key-shaped shaft part can also be different from the shape of cross section of key-shaped hole section, only
Need it can be by the aperture of key-shaped hole section along block by key-shaped hole section and after turning an angle.
The method that casing is pulled out using the case pulling device of the utility model is as follows：
The first step, concatenates female 2 and each casing to form bunch tube, wherein female 2 should be located at bunch tube lower end or in
Lower end；
Second step, by bunch tube tripping in drilling；
In this step, bailing test can be carried out afterwards in bunch tube tripping in drilling.
3rd step, male connector is connected to below drilling tool, and is transferred drilling tool to key-shaped shaft part 11 and be located under key-shaped hole section 21
Side；
In this step, it can determine that drilling tool needs the distance transferred by recording the lowered position of female, be transferred in drilling tool
It can ensure that key-shaped shaft part 11 is located at the lower section of key-shaped hole section 21 after to setpoint distance.
4th step, drives male connector 1 to rotate 90 degree, when pulling up male connector 1 at this time, on key-shaped shaft part 11 by rotation drilling tool
The shaft shoulder at end can realize the combination of male connector 1 and female 2 by the lower end aperture of key-shaped hole section 21 along institute's block；
5th step, lifts drilling tool so that casing to be strung out upwards；
6th step, setpoint distance is transferred by drilling tool, is rotated further by drilling tool to drive male connector 1 to rotate 90 degree, at this time key-shaped shaft part
11 length and width is corresponding with the length of key-shaped hole section 21 respectively, and when putting forward male connector 1 above, key-shaped shaft part 11 can pass through key-shaped hole section
21 and separated with female 1；
7th step, above carrying drilling tool separates male connector and female；
8th step, plays out each casing in bunch tube successively；In this step, it can coordinate from bushing head and above carry bunch tube
To act each casing.
Claims (6)
1. case pulling device, it is characterised in that：Including male connector and female, the axis of male connector and female prolongs along the vertical direction
Stretch, the casing-pipe connection structure for connecting into bunch tube with adjacent casing is provided with the female, is provided with the middle part of female
Through hole, the flat hole section of through hole including middle part and the reaming section positioned at flat hole section both sides, one end of male connector be provided with for
The drilling tool connection structure of drilling tool connection, male connector include flat shaft part, and the size of flat shaft part is more than the ruler of other shaft parts in male connector
Very little and form dimension enlargement section, the size of the flat shaft part is less than the size of flat hole section so that flat shaft part can be by described
Flat hole section enters in the reaming section of its lower end, and the length of the flat shaft part cross section is more than the width of flat hole section cross section
Degree.
2. case pulling device according to claim 1, it is characterised in that：Processed between the flat hole section and reaming section
There is transition inner conical surface, be machined between the upper end shaft shoulder of flat shaft part and the shaft part above it and kissed with the transition inner conical surface shape
The transition male cone (strobilus masculinus) properly matched somebody with somebody.
3. case pulling device according to claim 2, it is characterised in that：The upper and lower end aperture edge of the flat hole section
It is both provided with the transition inner conical surface.
4. case pulling device according to claim 3, it is characterised in that：The male connector is further included under flat shaft part
The guiding shaft part at end, the diameter for being oriented to shaft part are less than or equal to the width of flat shaft part cross section.
5. case pulling device according to claim 1, it is characterised in that：The shape of the flat shaft part and flat hole section
Shape coincide adaptation.
6. case pulling device according to claim 5, it is characterised in that：The flat shaft part and the length of flat hole section
Direction both ends are arc and make its shape of cross section be in key-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312446.3U CN207296911U (en) | 2017-10-12 | 2017-10-12 | Case pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312446.3U CN207296911U (en) | 2017-10-12 | 2017-10-12 | Case pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207296911U true CN207296911U (en) | 2018-05-01 |
Family
ID=62414943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721312446.3U Withdrawn - After Issue CN207296911U (en) | 2017-10-12 | 2017-10-12 | Case pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207296911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301789A (en) * | 2017-10-12 | 2018-07-20 | 河南省煤田地质局四队 | Case pulling device and case pulling method |
-
2017
- 2017-10-12 CN CN201721312446.3U patent/CN207296911U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301789A (en) * | 2017-10-12 | 2018-07-20 | 河南省煤田地质局四队 | Case pulling device and case pulling method |
| CN108301789B (en) * | 2017-10-12 | 2023-11-03 | 河南省煤田地质局四队 | Casing pulling device and casing pulling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20231103 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20231103 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |