CN218624936U - Steel casing pipe reinforcing and connecting structure - Google Patents
Steel casing pipe reinforcing and connecting structure Download PDFInfo
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- CN218624936U CN218624936U CN202222898788.5U CN202222898788U CN218624936U CN 218624936 U CN218624936 U CN 218624936U CN 202222898788 U CN202222898788 U CN 202222898788U CN 218624936 U CN218624936 U CN 218624936U
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Abstract
The utility model discloses a steel casing pipe adds solid fixed connection structure, locate the solid fixed connection sleeve pipe that adds outside the connecting sleeve pipe including steel casing pipe, setting up in the connecting sleeve pipe at steel casing pipe both ends and cover, seted up one row of connecting bolt hole on every connecting sleeve pipe, set up two rows of reinforcement connecting bolt holes that correspond on the solid fixed connection sleeve pipe. The novel steel sleeve reinforcing and connecting structure is bolted and fixed through the bolt assembly, and compared with a welding mode, the novel steel sleeve reinforcing and connecting structure is more convenient to operate, saves time and can be repeatedly used; through setting up the fastening connecting sleeve, can consolidate the connecting sleeve, improve the rigidity intensity limit at connection position.
Description
Technical Field
The utility model relates to a steel casing pipe technical field, concretely relates to steel casing pipe adds rigid connection structure.
Background
The steel casing is an important component of the casing drilling tool, the steel casing adopts the design of an inner-layer cylinder wall and an outer-layer cylinder wall, the rigidity of the steel casing can be effectively improved, the steel casing has the characteristic of straight inside and outside in the structure, the frictional resistance in casing running is reduced, and meanwhile, the inner-layer cylinder wall can play a good guiding role for the drilling tool and prevent the drilling tool from scratching the inner wall of the steel casing.
When the steel sleeve is used, a plurality of same steel sleeves need to be connected to form a combined sleeve with a certain length for pouring construction, and the steel sleeves are generally connected in a groove welding mode.
However, the conventional welding connection method has the following defects: the welding connection process is complex, and the welding conditions are difficult to meet the requirements on a construction site; the required time is long, steel sleeves are connected, a qualified welding line needs 5-6 hours, and under the condition that a steel plate is thick, heat insulation measures need to be taken to eliminate the influence of temperature stress, so that the construction progress is slow; the tangential rigidity of the welded steel sleeve is insufficient, and the risk of weld joint damage and failure exists.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model provides a technical problem do: aiming at the steel sleeve for the full-sleeve full-slewing drill, how to design the connection structure of the steel sleeve makes the operation of connecting the steel sleeve on site more time-saving and labor-saving, and can enhance the axial and tangential rigidity strength of the connecting part.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
the steel sleeve reinforcing and connecting structure comprises a steel sleeve, connecting sleeves arranged at two ends of the steel sleeve and reinforcing and connecting sleeves sleeved outside the connecting sleeves, wherein one row of connecting bolt holes are formed in each connecting sleeve, and two rows of corresponding reinforcing and connecting bolt holes are formed in each reinforcing and connecting sleeve.
Preferably, the connecting sleeve is provided with a clamping groove and a corresponding clamping tooth.
Preferably, the number of the clamping grooves and the clamping teeth arranged on the connecting sleeve is at least 4, and the distance between every two adjacent clamping grooves and every two adjacent clamping teeth is equal.
Preferably, the steel sleeve is provided with a latch, and the reinforcing connecting sleeve is provided with a corresponding reinforcing clamping groove.
Preferably, the relative positions and the number of the latch and the reinforcing clamping groove arranged on the steel sleeve correspond to those of the latch and the clamping groove arranged on the connecting sleeve.
Preferably, a welding seam for welding and fixing is connected between the steel sleeve and the connecting sleeve.
Preferably, the wall thickness of the connection sleeve is half of the wall thickness of the steel sleeve.
Preferably, the reinforcing connection sleeve is divided into two identical semi-circular sleeves.
Preferably, the wall thickness of the fastening connection sleeve is half of the wall thickness of the steel sleeve.
Preferably, the number range of each row of connecting bolt holes on the connecting sleeve is selected as follows: 8 to 12.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this novel steel casing connection structure is through seting up the bolt hole on adapter sleeve and the fastening adapter sleeve to it is fixed through bolt assembly bolt joint, compare in current welded fastening's mode, bolted connection operation is more convenient, and can save the constructor time, accomplishes the back at the steel casing construction, can also separate multisection steel casing pipe with reuse through the mode of dismantling bolt assembly, and can not harm the body structure of steel casing pipe because of destroying the welding seam.
2. This novel steel casing pipe connection structure can consolidate the adapter sleeve of two steel casings from top to bottom through setting up the fastening connection sleeve pipe, compares in the bolted connection structure that current general steel casing pipe that uses cup jointed, and the rigid strength limit that this novel connection structure's connection position can bear is bigger, is applicable to the relatively abominable construction environment of stress environment more.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a steel casing fastening structure according to an embodiment of the present invention;
fig. 2 is the utility model discloses steel casing pipe adds rigid connection structure's rigid connection sheathed tube schematic structure.
In the figure: 1-steel casing pipe; 2-connecting a sleeve; 21-card slot; 22-latch; 23-connecting bolt holes; 3-adding and connecting a sleeve; 31-reinforcement connecting bolt holes; 32-reinforcing clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the steel casing pipe fastening connection structure provided by the embodiment includes a steel casing pipe 1, a connection sleeve 2 disposed at the upper and lower ends of the steel casing pipe 1, and a fastening connection sleeve 3 sleeved on the outer surface of the connection sleeve 2, wherein a row of connection bolt holes 23 is disposed on each connection sleeve 2, a fastening connection bolt hole 31 having the same number as the upper and lower rows of connection bolt holes 23 is disposed on the fastening connection sleeve 3, and the connection bolt holes 23 and the fastening connection bolt hole 31 can be bolted and fixed by using the same bolt.
The effect that above-mentioned structural design brought is:
1. this novel steel casing connection structure is through offering the bolt hole on adapter sleeve 2 and reinforcement adapter sleeve 3 to it is fixed through bolt assembly bolt joint, compare in current welded fastening's mode, bolted connection operation is more convenient, and can save constructor time, accomplishes the back at steel casing 1 construction, can also separate multisection steel casing 1 through the mode of dismantling bolt assembly with reuse, and can not harm steel casing 1's body structure because of destroying the welding seam.
2. This novel steel casing pipe connection structure can consolidate the adapter sleeve 2 of two steel casings 1 from top to bottom through setting up reinforced joint sleeve 3, compares in the bolted connection structure that the steel casing 1 that has current general use cup jointed, and the rigidity intensity limit that this novel connection structure's connection position can bear is bigger, is applicable to the relatively abominable construction environment of atress environment more.
Furthermore, a clamping groove 21 and a corresponding latch 22 are formed in the end opening of the connecting sleeve 2, the clamping groove 21 and the latch 22 are respectively arranged on the upper connecting sleeve 2 and the lower connecting sleeve 2 which are used for butt joint, when the multi-section steel sleeve 1 is connected, the latch 22 on the connecting sleeve 2 which is positioned below and the lower clamping groove 21 of the connecting sleeve 2 which is positioned above can be embedded, so that the upper connecting sleeve 2 and the lower connecting sleeve 2 can be clamped, and the positioning component can be used for butt joint of the connecting sleeves 2 conveniently.
Further, the number of the clamping grooves 21 and the clamping teeth 22 arranged on the end face of the connecting sleeve 2 is at least 4, the distance between two adjacent clamping grooves 21 and two clamping teeth 22 is equal, the tangential stress limit of the connecting position of the connecting sleeve 2 can be improved due to the design of the clamping grooves 21 and the clamping teeth 22, and the reinforcing protection effect on each position of the connecting position is enhanced due to the equidistant design.
Further, a welding seam for welding and fixing the two parts is connected between the steel sleeve 1 and the connecting sleeve 2, specifically, in the embodiment, a submerged arc welding mode is selected for welding, and a welding rod is a T42 welding rod.
Further, the wall thickness of the connecting sleeve 2 is half of the wall thickness of the steel sleeve 1, the inner diameters of the steel sleeve 1 and the connecting sleeve 2 are set to be D, the wall thickness of the steel sleeve 1 is t, the wall thickness of the connecting sleeve 2 is t/2, the outer diameter of the steel sleeve 1 is D +2t, and the outer diameter of the connecting sleeve 2 is D + t, so that the wall of the steel sleeve 1 can be divided into an inner pipe wall connected with the connecting sleeve 2 and an outer pipe wall not connected with the connecting sleeve 2.
Further, be provided with latch 22 on steel casing 1's the outer pipe wall terminal surface, and be provided with corresponding quantity, the reinforcing draw-in groove 32 of size on reinforcing adapter sleeve 3, when using to reinforce adapter sleeve 3 and to connect sleeve 2 from top to bottom, rely on the positioning action who reinforces draw-in groove 32 and latch 22, the position of establishing of finding the cover that can be quick, and can further strengthen the tangential atress limit between steel casing 1.
Further, set up on the outer pipe wall terminal surface of steel sleeve 1 relative position and the quantity of latch 22 and reinforcement draw-in groove 32 with set up in latch 22, the draw-in groove 21 one-to-one of adapter sleeve 2 terminal surface, the aim at of design like this makes things convenient for constructor can once only accomplish the connection of adapter sleeve 2 and the flow is established to the cover of reinforcing adapter sleeve 3, shortens the engineering time.
Further, it can be split into two semicircle ring sleeves that shape, size are the same to add solid connection sleeve pipe 3, can form the annular sleeve pipe structure of complete circle with its combination, generally when not overlapping the state of locating the 2 surfaces of adapter sleeve pipe, consolidates adapter sleeve pipe 3 and is the state of separation to make things convenient for constructor to overlap and establish reinforced operation.
Further, the wall thickness of the reinforced connecting sleeve 3 is half of the wall thickness of the steel sleeve 1, and after the reinforced connecting sleeve 3 is sleeved on the outer surface of the connecting sleeve 2, the outer diameter of the reinforced connecting sleeve 3 is the same as that of the steel sleeve 1, so that the integrated steel sleeve 1 connecting structure is formed, the friction force of a ground soil layer on the surface of the ground soil layer is reduced during drilling and writing, and the construction is more labor-saving.
Further, the number range of each row of connecting bolt holes 23 on the connecting sleeve 2 is selected as follows: 8-12 to guarantee that the stress limit value that the bolt assembly can bear accords with the construction requirement, but does not influence the efficiency of dismantling the bolt, save manpower and time cost to a certain extent.
Specifically, known from above-mentioned structural design point, this novel steel casing adds fixed connection structure's use flow as follows:
when the steel sleeve 1 is assembled before construction, firstly, the connecting sleeve 2 of one steel sleeve 1 and the connecting sleeve 2 of the other steel sleeve 1 are aligned with the connecting position along the clamping groove 21 and the clamping tooth 22 on the connecting sleeve, then the inserting and embedding sleeve is tightly fixed, the sleeving position of the reinforced connecting sleeve 3 is aligned at the corresponding position of the clamping tooth 22 on the end surface of the outer wall of the steel sleeve 1 and the reinforced clamping tooth 22 on the reinforced connecting sleeve 3, the inserting and embedding sleeve is tightly sleeved, and finally, two rows of connecting bolt holes 23 and reinforced connecting bolt holes 31 which are correspondingly contacted are bolted and fixed by using bolts.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present application and are presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a steel casing adds rigid connection structure which characterized in that: the steel sleeve reinforcing device comprises a steel sleeve (1), connecting sleeves (2) arranged at two ends of the steel sleeve (1) and reinforcing connecting sleeves (3) sleeved outside the connecting sleeves (2), wherein a row of connecting bolt holes (23) are formed in each connecting sleeve (2), and two rows of corresponding reinforcing connecting bolt holes (31) are formed in each reinforcing connecting sleeve (3).
2. The steel casing reinforcing connection structure of claim 1, wherein: the connecting sleeve (2) is provided with a clamping groove (21) and a corresponding clamping tooth (22).
3. The steel casing reinforcing connection structure of claim 2, wherein: the number of the clamping grooves (21) and the clamping teeth (22) arranged on the connecting sleeve (2) is at least 4, and the distance between two adjacent clamping grooves (21) and two adjacent clamping teeth (22) is equal.
4. The steel casing reinforcing connection structure of claim 2, wherein: the steel sleeve (1) is provided with a latch (22), and the reinforcing connecting sleeve (3) is provided with a corresponding reinforcing clamping groove (32).
5. The steel casing reinforcing and connecting structure of claim 4, wherein: the relative positions and the number of the latch (22) arranged on the steel sleeve (1) and the reinforcing clamping grooves (32) correspond to the latch (22) and the clamping grooves (21) arranged on the connecting sleeve (2).
6. The steel casing reinforcing connection structure of claim 1, wherein: and a welding seam for welding and fixing is connected between the steel sleeve (1) and the connecting sleeve (2).
7. The steel casing reinforcing connection structure of claim 1, wherein: the wall thickness of the connecting sleeve (2) is half of that of the steel sleeve (1).
8. The steel casing reinforcing connection structure of claim 1, wherein: the reinforced connecting casing (3) is divided into two identical semicircular casings.
9. The steel casing reinforcing connection structure of claim 8, wherein: the wall thickness of the reinforced connecting casing pipe (3) is half of that of the steel casing pipe (1).
10. The steel casing reinforcing connection structure of claim 1, wherein: the number range of each row of connecting bolt holes (23) on the connecting sleeve (2) is selected as follows: 8 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222898788.5U CN218624936U (en) | 2022-11-01 | 2022-11-01 | Steel casing pipe reinforcing and connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222898788.5U CN218624936U (en) | 2022-11-01 | 2022-11-01 | Steel casing pipe reinforcing and connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218624936U true CN218624936U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222898788.5U Active CN218624936U (en) | 2022-11-01 | 2022-11-01 | Steel casing pipe reinforcing and connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218624936U (en) |
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2022
- 2022-11-01 CN CN202222898788.5U patent/CN218624936U/en active Active
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