CN219994737U - Pipeline worm stable connection structure - Google Patents
Pipeline worm stable connection structure Download PDFInfo
- Publication number
- CN219994737U CN219994737U CN202321642817.XU CN202321642817U CN219994737U CN 219994737 U CN219994737 U CN 219994737U CN 202321642817 U CN202321642817 U CN 202321642817U CN 219994737 U CN219994737 U CN 219994737U
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- CN
- China
- Prior art keywords
- pipeline
- bolt
- worm
- screw rod
- nut
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- 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.)
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Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 244000098674 Pinus cembroides Species 0.000 claims description 3
- 235000005013 Pinus cembroides Nutrition 0.000 claims description 3
- 235000008591 Pinus cembroides var edulis Nutrition 0.000 claims description 3
- 235000015593 Pinus monophylla Nutrition 0.000 claims description 3
- 235000015594 Pinus parryana Nutrition 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 3
- 238000005553 drilling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a stable pipeline worm connecting structure which comprises a pipeline worm and a back-pulling pipeline, wherein a connecting piece is arranged between the pipeline worm and the back-pulling pipeline, connecting holes are formed in the pipeline worm and the back-pulling pipeline, the connecting piece comprises a U-shaped rod, fixing holes which are oppositely distributed are respectively formed in two ends of the U-shaped rod, the connecting piece further comprises a bolt, a screw rod of the bolt sequentially penetrates through the first fixing hole, the connecting hole on the pipeline worm and the second fixing hole and is in threaded connection with a nut, a penetrating groove is formed in one end, far away from the head of the bolt, of the screw rod of the bolt, a bolt is arranged in the penetrating groove, and the bolt is used for limiting the loosening of the nut. The utility model is provided with two groups of connecting pieces, so that the stable connectivity between the pipeline worm and the back-hauling pipeline is enhanced; meanwhile, the bolt structure is arranged, so that the nut is prevented from loosening, and the connection stability is ensured; on the other hand, the bottom plate is arranged, so that the stability of the bolt is ensured when the nut does not contact the bolt.
Description
Technical Field
The utility model relates to the technical field of pipeline back-dragging equipment, in particular to a pipeline worm stable connection structure.
Background
Along with the continuous development of horizontal directional drilling traversing technology, long-distance and large-pipe-diameter traversing is more and more, but the large-pipe-diameter directional drilling traversing technology is still immature, the accompanying construction risk is also very large, and especially in the main pipe back-dragging stage, because the back-dragging starting tension is large, the pipe is self-weight, the included angle exists between the drilling tool and the pipe, the back-dragging pipe is possibly difficult to enter a hole, so that the problems of corrosion prevention layer damage, drilling tool fracture and the like are caused. In order to solve the problems, a pipeline worm structure is designed, and a short circuit which is smaller than or equal to the pipeline diameter of the back hauling pipeline is connected between the reamer and the back hauling pipeline. The length of the pipeline worms is generally between 5m and 7m, the diameter is smaller than or equal to the diameter of the back hauling pipeline, and the pipeline worms are generally connected by using a shackle when being connected, but the conventional shackle connecting structure has the problems of deformation, fracture, falling and the like.
Disclosure of Invention
The utility model aims to overcome the defects in the background art and provide a connecting structure for ensuring stable connection of pipeline worms.
In order to achieve the purpose, the pipeline worm stable connection structure adopts the following technical scheme:
the utility model provides a pipeline worm stable connection structure, includes pipeline worm and returns and drag the pipeline, is provided with the connecting piece between pipeline worm and the pipeline that returns, all is provided with the connecting hole on pipeline worm and the pipeline that returns, the connecting piece includes U type pole, and the both ends of U type pole are provided with the fixed orifices of laying relatively respectively, and the connecting piece still includes the bolt, and the screw rod of bolt passes first fixed orifices, pipeline worm on the connecting hole, second fixed orifices and spiro union have the nut in proper order, the one end that the bolt was kept away from to the screw rod of bolt is provided with the run-through groove, runs through the inslot and is provided with the bolt, and the bolt is used for spacing nut pine.
The utility model relates to a pipeline worm stable connecting structure which is further improved in that two groups of connecting holes, U-shaped rods, bolts and nuts are arranged, the two groups of bolts are symmetrically distributed up and down, and a group of bolts are arranged.
The utility model relates to a pipeline worm stable connecting structure which is further improved in that a bolt is a split pin and comprises a first pin shaft and a second pin shaft which are distributed in a U shape, wherein the first pin shaft is a straight shaft and sequentially penetrates through two groups of through grooves, the second pin shaft is a corrugated shaft, and the bent part of the corrugated shaft clamps the end head of a screw.
The utility model relates to a further improvement of a pipeline worm stable connecting structure, which is characterized in that a groove is arranged in the middle of the end face of the tail end of a screw rod of a bolt towards one side of a bolt head, the bottom of the groove is connected with a retaining plate through a spring, and the retaining plate is used for retaining a first pin shaft penetrating through a through groove.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is provided with two groups of connecting pieces, so that the stable connectivity between the pipeline worm and the back-hauling pipeline is enhanced; meanwhile, the bolt structure is arranged, so that the nut is prevented from loosening, and the connection stability is ensured; on the other hand, the bottom plate is arranged, so that the stability of the bolt is ensured when the nut does not contact the bolt.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the back view structure of FIG. 1;
FIG. 3 is a schematic view of the structure of the bolt and the plug of the present utility model;
fig. 4 is a schematic structural view of the bolt of the present utility model.
In the figure: the pipeline worm is 1, the pipeline is pulled back by 2, the connecting hole is 3, the U-shaped rod is 4, the bolt is 5, the nut is 6, the bolt is 7, the first pin is 8, the second pin is 9, and the groove is 10 penetrated and the plate is 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, the stable pipeline worm connection structure comprises a pipeline worm 1 and a back dragging pipeline 2, wherein a connecting piece is arranged between the pipeline worm and the back dragging pipeline, and connecting holes 3 are formed in the pipeline worm and the back dragging pipeline. Further, the connecting piece includes that the both ends of U type pole 4,U type pole are provided with the fixed orifices that relatively laid respectively, and two fixed orifices are coaxial to be laid, and the connecting piece still includes bolt 5, and the screw rod of bolt passes first fixed orifices, connecting hole, second fixed orifices and spiro union have nut 6 on the pipeline worm in proper order, and the one end that the screw rod of bolt kept away from the bolt head is provided with runs through groove 10, runs through the groove and lays along the radial direction of screw rod, runs through the inslot and is provided with bolt 7, and the bolt is used for spacing nut pine to take off.
Specifically, two groups of connecting holes, U-shaped rods, bolts and nuts are arranged and are distributed vertically symmetrically, the connection stability is improved, and when one group of bolts are broken, the other group of bolts can realize stable connection work; the bolts are provided with a group, and the bolts share a group so as to save materials.
Further, the bolt is a cotter pin, and comprises a first pin shaft 8 and a second pin shaft 9 which are distributed in a U shape, wherein the first pin shaft is a straight shaft and sequentially penetrates through two groups of through grooves, the second pin shaft is a corrugated shaft (not shown in the figure), and the bending part of the corrugated shaft clamps the end head of the screw rod. The cotter pin has certain elasticity and can be clamped at the through groove of the screw rod and the end of the screw rod.
Further, a groove is formed in the middle of the end face of the tail end of the screw rod of the bolt towards one side of the bolt head, and a retaining plate 11 is connected to the bottom of the groove through a spring and used for abutting against a first pin shaft penetrating through the through groove. The bolt is further limited, so that the stability of bolt connection is guaranteed.
The working principle of the utility model is as follows: when the pipeline worm is connected with the back-pulling pipeline, the U-shaped rod penetrates through one connecting hole of the pipeline worm and the back-pulling pipeline, then the bolt penetrates through the first fixing hole on the U-shaped rod, the other connecting hole of the pipeline worm and the back-pulling pipeline and the second fixing hole on the U-shaped rod, then the nut is screwed, the bolt is inserted, the pipeline worm and the back-pulling pipeline are connected through the two groups of connecting pieces, and meanwhile, the connecting pieces are provided with the bolts, so that the looseness prevention of the nut is realized, and the stability of integral connection is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A stable connection structure of pipeline worm, its characterized in that: including pipeline worm and back haulage pipeline, all be provided with the connecting piece between pipeline worm and the back haulage pipeline, pipeline worm and the back haulage pipeline on all are provided with the connecting hole, the connecting piece includes the U type pole, and the both ends of U type pole are provided with the fixed orifices of laying relatively respectively, and the connecting piece still includes the bolt, and the screw rod of bolt passes first fixed orifices, pipeline worm on the connecting hole, second fixed orifices and spiro union have the nut in proper order, the one end that the bolt was kept away from to the screw rod of bolt is provided with the through groove, runs through the inslot and is provided with the bolt, and the bolt is used for spacing nut pine to take off.
2. A pipeline worm stabilizing and connecting structure according to claim 1, wherein: the connecting holes, the U-shaped rods, the bolts and the nuts are arranged in two groups, the bolts are symmetrically arranged up and down, and the bolts are arranged in one group.
3. A pipeline worm stabilizing and connecting structure according to claim 2, wherein: the bolt is a cotter pin, and comprises a first pin shaft and a second pin shaft which are distributed in a U shape, wherein the first pin shaft is a straight shaft and sequentially penetrates through two groups of penetrating grooves, the second pin shaft is a corrugated shaft, and the bending part of the corrugated shaft clamps the end head of the screw rod.
4. A pipe worm stabilizing and connecting structure according to claim 3, wherein: the middle part of the end face of the tail end of the screw rod of the bolt is provided with a groove towards one side of the bolt head, the bottom of the groove is connected with a retaining plate through a spring, and the retaining plate is used for retaining a first pin shaft penetrating through the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642817.XU CN219994737U (en) | 2023-06-27 | 2023-06-27 | Pipeline worm stable connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642817.XU CN219994737U (en) | 2023-06-27 | 2023-06-27 | Pipeline worm stable connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219994737U true CN219994737U (en) | 2023-11-10 |
Family
ID=88617484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321642817.XU Active CN219994737U (en) | 2023-06-27 | 2023-06-27 | Pipeline worm stable connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219994737U (en) |
-
2023
- 2023-06-27 CN CN202321642817.XU patent/CN219994737U/en active Active
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