CN209780787U - deviation rectifying short joint for casing follow-up drilling deviation rectification - Google Patents
deviation rectifying short joint for casing follow-up drilling deviation rectification Download PDFInfo
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- CN209780787U CN209780787U CN201920390448.7U CN201920390448U CN209780787U CN 209780787 U CN209780787 U CN 209780787U CN 201920390448 U CN201920390448 U CN 201920390448U CN 209780787 U CN209780787 U CN 209780787U
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- deviation rectifying
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- deviation
- sleeve
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Abstract
The utility model relates to an underground space push pipe construction technical field discloses a nipple joint of rectifying for casing pipe follow-up drilling is rectified. The utility model is detachably arranged between the jacking equipment and the sleeve, the deviation rectifying short section is an arc connecting plate with the diameter consistent with that of the sleeve, one end is fixedly connected with the tail end of the sleeve through a connecting lug plate, and the other end is supported on the jacking equipment; the circle center corresponding to the deviation rectifying short joint is overlapped with the central axis of the sleeve. The utility model discloses simple structure, it is with low costs, need not to be equipped with hydraulic equipment alone, it is convenient to use, does not occupy equipment inner space.
Description
Technical Field
the utility model relates to an underground space push pipe construction technical field especially relates to a nipple joint of rectifying that is used for sleeve pipe follow-up drilling to rectify.
Background
The invention relates to a deviation rectifying method recorded in the invention patent application 'a drilling deviation rectifying method based on casing follow-up and a deviation rectifying device thereof' (201810833302.5) in combination with the practice of medium-small-caliber pipe curtain engineering, which is one of effective drilling precision control methods.
The deviation correcting device described in this patent application corrects the deviation by adjusting the relative position of the drill bit in the casing head by changing the position of the drill bit in the casing head. According to the prior art, the achievable operation means is mostly to realize the extension and retraction of the drill bit by additionally arranging a hydraulic device, on one hand, the hydraulic device occupies the equipment space, and on the other hand, a plurality of existing equipment are not provided with the hydraulic device during the design, so that the method cannot be adopted to correct the jacking track of the steel pipe in the construction process, and the practicability and the applicability of the correction method are greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, it is with low costs, need not to be equipped with hydraulic equipment alone, it is convenient to use, does not occupy the nipple joint of rectifying that is used for sleeve pipe follow-up drilling of equipment inner space is rectified.
The technical problem to be solved is that: in the prior art, the relative positions of the drill bit and the casing pipe correcting pipe head are adjusted through a hydraulic device, so that the drill bit needs to occupy larger equipment space, and the dependence on equipment is higher.
In order to solve the technical problem, the utility model adopts the following technical scheme:
The utility model discloses a deviation rectifying nipple joint for casing follow-up drilling deviation rectifying, can dismantle and set up between jacking equipment and casing, the deviation rectifying nipple joint is the arc connecting plate that the diameter is unanimous with the diameter of sleeve pipe, one end is connected fixedly through connecting otic placode and sleeve pipe tail end, the other end props up and props up on jacking equipment; the circle center corresponding to the deviation rectifying short joint is overlapped with the central axis of the sleeve.
The utility model is used for the sleeve pipe is followed drilling and is rectified nipple joint, and is further, the intraductal portion of cover is provided with the drilling rod, and the drilling rod tip is connected with the transmission output of jacking equipment, sheathed tube front end mouth of pipe department is provided with and turns to the selection face, turns to the selection face and is located the orificial one side of sleeve pipe, and the center pin direction setting of tube head of just rectifying towards.
The utility model is used for the sleeve pipe follows up the nipple joint of rectifying of drilling, and is further, the length of the nipple joint of rectifying is 0.2-1.5 times of its corresponding diameter.
The utility model is used for the sleeve pipe follows up the nipple joint of rectifying of drilling, and is further, the central angle that the nipple joint of rectifying corresponds is 90-210.
The utility model is used for the sleeve pipe follow-up drilling nipple joint of rectifying, it is further, connection otic placode one end and the lateral wall welded fastening of the nipple joint of rectifying, the other end is along the length direction level of the nipple joint of rectifying outwards extending, and is laminated with the sheathed tube lateral wall and sets up and fix.
the utility model is used for the sleeve pipe follows up the nipple joint of rectifying of drilling, it is further, be provided with the hoist and mount ear on the lateral wall at nipple joint middle part of rectifying.
The utility model is used for the sleeve pipe follows up the nipple joint of rectifying of drilling, it is further, the central angle that the nipple joint of rectifying corresponds is 180, and the quantity of the nipple joint of rectifying is two, and relative lock encloses to close from top to bottom and forms cyclic structure.
The utility model is used for casing pipe follow-up drilling rectifying's nipple joint compares with prior art, has following beneficial effect:
The utility model is used for the sleeve pipe follow-up drilling nipple joint of rectifying a deviation simple structure, through the demountable installation nipple joint of rectifying a deviation, can realize the change of the relative position of inside drill bit and outside tube head of rectifying a deviation, need not additionally to set up hydraulic means and realize the flexible of drill bit, does not occupy the inside equipment space of sleeve pipe, greatly reduced equipment cost.
The utility model discloses set up the simple easy operation of mode, with the setting of sleeve pipe assorted arc nipple joint of rectifying, be convenient for with sheathed tube be connected, need not to carry out the dismantlement of drilling rod and unit head, during the use, roll back behind the corresponding distance of unit head, alright the nipple joint of rectifying of direct mount, the installation is simple, can control by force, moreover can used repeatedly, the on-the-spot turnover flexibility is good.
The utility model discloses a nipple joint of rectifying a deviation for casing follow-up drilling is explained further below with the attached drawing.
drawings
Fig. 1 is a schematic structural diagram of a use state of a deviation rectifying pup joint for casing follow-up drilling deviation rectification of the utility model;
FIG. 2 is a side view of the deviation rectifying short section;
FIG. 3 is a top view of the deviation rectifying short section.
Reference numerals:
1-a drill rod; 2-jacking equipment; 3-sleeving a pipe; 4-a steering selection surface; 5-deviation rectifying short section; 6-connecting the ear plate; 7-hoisting lugs.
Detailed Description
As shown in fig. 1 to 3, the utility model discloses a nipple joint 5 of rectifying for casing follow-up drilling is rectified can dismantle the setting between jacking equipment 2 and sleeve pipe 3, and sleeve pipe 3 is inside to be provided with drilling rod 1, and drilling rod 1 tip is connected with jacking equipment 2's transmission output end, and sleeve pipe 3's front end mouth of pipe department is provided with and turns to selection face 4, turns to selection face 4 and is located the orificial one side of sleeve pipe 3, and the center pin direction setting of the tube head of just rectifying towards.
The concrete arrangement of the casing 3 can refer to the technical solutions described in the invention patent application "deviation rectifying method and deviation rectifying device for drill hole based on casing 3 follow-up" (201810833302.5), but not limited to the technical solutions described therein.
The deviation rectifying short section 5 is an arc connecting plate with the diameter consistent with that of the sleeve 3, the length of the arc connecting plate is 0.2-1.5 times of the corresponding diameter of the arc connecting plate, one end of the arc connecting plate is fixedly connected with the tail end of the sleeve 3 through a connecting lug plate 6, and the other end of the arc connecting plate is supported on the jacking equipment 2; the corresponding central angle of the arc-shaped connecting plate is 90-210 degrees, and the corresponding central angle of the arc-shaped connecting plate is overlapped with the central axis of the sleeve 3; one end of the connecting lug plate 6 is fixedly welded with the outer side wall of the deviation rectifying short section 5, the other end of the connecting lug plate horizontally extends outwards along the length direction of the deviation rectifying short section 5, is attached to and fixed with the outer side wall of the sleeve 3, and can be detachably fixed through bolts or fixedly welded; the outer side wall of the middle part of the deviation rectifying short section 5 is provided with a hoisting lug 7, so that the lifting equipment can be conveniently moved and the deviation rectifying short section 5 can be conveniently installed.
The central angle corresponding to the deviation rectifying short section 5 is specifically selected according to the thickness of the jacking steel pipe and the specification and model of the internal auger stem 1; when the central angle that the arc connecting plate corresponds is 180, the nipple joint 5 of rectifying is the semicircular, and the quantity of use can be two, and relative lock encloses to enclose from top to bottom and forms cyclic structure.
The utility model discloses a use method of nipple joint 5 of rectifying for casing follow-up drilling is rectified specifically includes following step:
Step one, selecting the specification and the using number of the deviation rectifying short sections 5 according to the construction condition;
secondly, according to geological conditions and deviation rectification requirements during construction, when a drill bit is required to be positioned in the sleeve 3, a deviation rectification short joint 5 is connected between the jacking device 2 and the sleeve 3;
Hoisting the deviation rectifying short section 5 between the jacking device 2 and the casing 3, retracting the jacking device 2, pulling out a part of the drill rod 1, placing the deviation rectifying short section 5 between the jacking device 2 and the casing 3, clamping the deviation rectifying short section 5 outside the drill rod 1 and aligning with the casing 3, and fixedly connecting the lug plate 6 with the casing 3; when deviation correction is needed, the jacking device 2 and the drill rod 1 do not need to be disassembled, the deviation correcting short section 5 can be directly clamped and sleeved on the outer side of the drill rod 1 and connected with the sleeve 3, and the device is simple and convenient to install and easy to operate;
Step three, drilling construction is continued;
and step four, after the deviation correction is finished, the deviation correcting short section 5 can be detached by directly detaching the connecting point of the deviation correcting short section 5, and the deviation correcting short section is repeatedly used.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. a nipple joint (5) of rectifying for sleeve pipe follow-up drilling is rectified, its characterized in that: the correcting short section (5) is an arc-shaped connecting plate with the diameter consistent with that of the sleeve (3), one end of the correcting short section is fixedly connected with the tail end of the sleeve (3) through a connecting lug plate (6), and the other end of the correcting short section is supported on the jacking equipment (2); the circle center corresponding to the deviation rectifying short joint (5) is overlapped with the central axis of the sleeve (3).
2. The deviation rectifying sub (5) for casing follow-up drilling deviation rectifying according to claim 1, characterized in that: the drill pipe (1) is arranged inside the casing pipe (3), the tail end of the drill pipe (1) is connected with the transmission output end of the jacking device (2), a steering selection face (4) is arranged at a pipe orifice at the front end of the casing pipe (3), the steering selection face (4) is located on one side of a pipe orifice of the casing pipe (3), and the drill pipe is arranged towards the direction of a central shaft of the deviation correcting pipe head.
3. the deviation rectifying sub (5) for casing follow-up drilling deviation rectifying according to claim 1, characterized in that: the length of the deviation rectifying short section (5) is 0.2-1.5 times of the corresponding diameter.
4. The deviation rectifying sub (5) for casing follow-up drilling deviation rectifying according to claim 1, characterized in that: the central angle corresponding to the deviation rectifying short section (5) is 90-210 degrees.
5. The deviation rectifying sub (5) for casing follow-up drilling deviation rectifying according to claim 1, characterized in that: one end of the connecting lug plate (6) is welded and fixed with the outer side wall of the deviation rectifying short section (5), and the other end of the connecting lug plate extends outwards along the length direction of the deviation rectifying short section (5) in the horizontal direction and is attached to and fixed with the outer side wall of the sleeve (3).
6. The deviation rectifying sub (5) for casing follow-up drilling deviation rectifying according to claim 1, characterized in that: and a hoisting lug (7) is arranged on the outer side wall of the middle part of the deviation rectifying short section (5).
7. The deviation rectifying sub (5) for casing follow-up drilling deviation rectifying according to claim 1, characterized in that: the central angle that rectifies nipple joint (5) and correspond is 180, and the quantity of rectifying nipple joint (5) is two, and relative lock encloses to form annular structure from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390448.7U CN209780787U (en) | 2019-03-26 | 2019-03-26 | deviation rectifying short joint for casing follow-up drilling deviation rectification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390448.7U CN209780787U (en) | 2019-03-26 | 2019-03-26 | deviation rectifying short joint for casing follow-up drilling deviation rectification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780787U true CN209780787U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920390448.7U Active CN209780787U (en) | 2019-03-26 | 2019-03-26 | deviation rectifying short joint for casing follow-up drilling deviation rectification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963154A (en) * | 2021-03-02 | 2021-06-15 | 上海隧道工程有限公司 | Pipe curtain jacking pipe replacing device and replacing method thereof |
-
2019
- 2019-03-26 CN CN201920390448.7U patent/CN209780787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963154A (en) * | 2021-03-02 | 2021-06-15 | 上海隧道工程有限公司 | Pipe curtain jacking pipe replacing device and replacing method thereof |
| CN112963154B (en) * | 2021-03-02 | 2023-05-16 | 上海隧道工程有限公司 | Pipe curtain jacking pipe replacement device and replacement method thereof |
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