CN213510609U - Well neck - Google Patents
Well neck Download PDFInfo
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- CN213510609U CN213510609U CN202021787252.0U CN202021787252U CN213510609U CN 213510609 U CN213510609 U CN 213510609U CN 202021787252 U CN202021787252 U CN 202021787252U CN 213510609 U CN213510609 U CN 213510609U
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- wall
- well neck
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- neck
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Abstract
The utility model discloses a well neck, the outer peripheral face of well neck contacts with the inner peripheral surface of country rock, the well neck includes well neck wall and stock, the well neck has the cavity that the well neck wall encloses, the outer peripheral face of the upper end of well neck wall is equipped with the fore shaft spare, the fore shaft spare is located the top of country rock and contacts with the top surface of country rock, one end of stock stretches into in the well neck wall and links to each other with the well neck wall from the outer peripheral face of well neck wall, the other end of stock inserts in the country rock, the upper end of well neck wall sets up the fore shaft spare, the fore shaft spare can provide the support for well neck wall; one end of the anchor rod is connected with the well neck wall, the other end of the anchor rod is inserted into the surrounding rock, the anchor rod is inserted into the surrounding rock to perform grouting, the surrounding rock can be reinforced, the surrounding rock is kept stable, and the anchor rod is not easy to distort, incline and destroy.
Description
Technical Field
The utility model relates to a vertical shaft wall of a well technical field specifically relates to a well neck.
Background
The vertical shaft/shaft is often forced to be located on sites with unstable addresses such as waste rock stacking layers, backfill layers and the like. After the stratum is excavated, the stratum can not keep self stability, and even the stratum can collapse after being excavated and can collapse while being excavated. The well neck in the vertical well/shaft refers to a section of shaft with thickened and reinforced wall below the well head, and the well neck plays a role in supporting the whole vertical well/shaft.
The well neck in the related technology can temporarily keep the surrounding rock stable after the stratum is excavated, but cannot overcome the negative friction force of an unstable stratum, and the well neck is easy to settle, even distort, incline and damage along with the settlement of the unstable stratum, so that the well sinking progress and the well neck are influenced, great troubles are brought to construction, the labor operation intensity is greatly improved, the capital construction cost is increased, and the mine production is influenced.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a well neck, this well neck can keep the country rock stable effectively, and difficult distortion, slope and destruction guarantee that the construction goes on smoothly.
According to the utility model discloses the well neck, the outer peripheral face of well neck is suitable for and contacts with the inner peripheral surface of country rock, the well neck has the cavity, the well neck includes well neck wall and stock, well neck wall encloses into the cavity, the outer peripheral face of the upper end of well neck wall is equipped with the fore shaft spare, the fore shaft spare is suitable for being located the top of country rock and with the top surface of country rock contacts, the one end of stock is followed the outer peripheral face of well neck wall stretches into in the well neck wall and with the well neck wall links to each other, the other end of stock is suitable for inserting in the country rock.
According to the well neck provided by the embodiment of the utility model, the upper end of the well neck wall is provided with the locking piece which can provide support for the well neck wall; one end of the anchor rod is connected with the wall of the well neck, and the other end of the anchor rod is inserted into the surrounding rock, so that the surrounding rock can be reinforced and kept stable, and the anchor rod is not easy to distort, incline and damage.
In some embodiments, the well neck further comprises a wall seat disposed on an outer peripheral surface of the well neck wall, and the wall seat and the locking piece are spaced apart in a length direction of the well neck wall.
In some embodiments, the wall seat is disposed around an outer periphery of the well neck wall, and the wall seat is annular.
In some embodiments, the wall seat comprises a first portion and a second portion connected in series along the length of the collar wall, the first portion having a cross-sectional area that increases in a direction away from the locking piece, and the second portion having a cross-sectional area that decreases in a direction away from the first portion.
In some embodiments, the dimension of the first portion in the direction of the length of the collar wall is greater than the dimension of the second portion in the direction of the length of the collar wall.
In some embodiments, the wall seat is a plurality of wall seats, and the wall seats are arranged at intervals along the length direction of the well neck wall.
In some embodiments, the well neck further comprises a plurality of ribs disposed within the well neck wall, the locking collar and the wall seat, the plurality of ribs being spaced along the length of the well neck wall.
In some embodiments, the collar wall, the locking notch and the wall seat are integrally cast in concrete.
In some embodiments, the locking piece is disposed around an outer periphery of the collar wall, and the locking piece is annular.
In some embodiments, the locking piece comprises a first section and a second section connected in series along the length of the neck wall, the second section being adapted to contact the surrounding rock, the cross-sectional area of the first section being constant in a direction towards the second section, the cross-sectional area of the second section decreasing in a direction away from the first section.
In some embodiments, the well neck further comprises a metal mesh, the metal mesh is arranged in the well neck wall, and one end of the anchor rod extending into the well neck wall is connected with the metal mesh.
Drawings
Figure 1 is a schematic longitudinal cross-sectional view of a center well neck of the present invention.
Figure 2 is a schematic transverse cross-sectional view of the well neck of the present invention.
Reference numerals: a well neck wall 1; a fore-and-aft member 2; a first section 2-1; a second segment 2-2; an anchor rod 3; a wall seat 4; foundation steel bars 5; a first additional reinforcing bar 6; a wall seat 7; a first portion 7-1; a second portion 7-2; a metal mesh 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As fig. 1 and 2, according to the utility model discloses a well neck, the outer peripheral face of well neck contacts with the inner peripheral surface of country rock, the well neck includes well neck wall 1 and stock 3, the well neck has the cavity that well neck wall 1 encloses, the outer peripheral face of the upper end of well neck wall 1 is equipped with fore shaft spare 2, fore shaft spare 2 is located the top of country rock and contacts with the top surface of country rock, the one end of stock 3 stretches into in well neck wall 1 and links to each other with well neck wall 1 from the outer peripheral face of well neck wall 1, the other end of stock 3 inserts in the country rock.
According to the well neck provided by the embodiment of the utility model, the upper end of the well neck wall 1 is provided with the locking piece 2, and the locking piece 2 can provide support for the well neck wall 1; one end of the anchor rod 3 is connected with the well neck wall 1, the other end of the anchor rod is inserted into the surrounding rock, the anchor rod 3 is inserted into the surrounding rock for grouting, the surrounding rock can be reinforced, the surrounding rock is kept stable, and the anchor rod is not easy to distort, incline and damage.
In some embodiments, the well neck further comprises a wall seat 7, the wall seat 7 is disposed on the outer circumferential surface of the well neck wall 1, the wall seat 7 and the locking piece 2 are arranged at a distance in the length direction (up and down direction in fig. 1) of the well neck wall 1, and the wall seat 7 and the locking piece 2 are arranged at a distance, further providing support for the well neck wall 1.
Further, the wall seat 7 is also multiple, and the multiple wall seats 7 are arranged at intervals along the length direction of the well neck wall 1.
Further, the wall seat 7 is arranged around the periphery of the well neck wall 1, and the wall seat 7 is annular, so that the wall seat 7 is embedded into the surrounding rock from the inner peripheral surface of the surrounding rock to provide support for the well neck wall 1.
In some embodiments, the wall seat 7 comprises a first portion 7-1 and a second portion 7-2 connected in series along the length direction of the well neck wall 1, the cross-sectional area of the first portion 7-1 gradually increases along the direction away from the locking piece 2, and the cross-sectional area of the second portion 7-2 gradually decreases along the direction away from the first portion 7-1, so that the well neck wall 1 is in convex connection with the surrounding rock, and the stability of the connection of the well neck wall 1 with the surrounding rock is improved. As shown in fig. 1, the wall seat 7 includes a first portion 7-1 and a second portion 7-2 connected in series from top to bottom, the cross-sectional area of the first portion 7-1 gradually increases from top to bottom, and the cross-sectional area of the second portion 7-2 gradually decreases from bottom to top.
Preferably, the dimension of the first portion 7-1 in the length direction of the wellhead wall 1 is greater than the dimension of the second portion 7-2 in the length direction of the wellhead wall 1, which can improve the strength of the wall seat 7.
In some embodiments, the utility model discloses the well neck still includes a plurality of strengthening ribs, the strengthening rib includes basic reinforcing bar 5 in the well neck wall 1, first additional reinforcing bar 6 in the fore shaft 2, the second additional reinforcing bar in the wall seat 7, basic reinforcing bar 5, first additional reinforcing bar 6, the second additional reinforcing bar suits with well neck wall 1, fore shaft 2, the shape of wall seat 7 respectively, basic reinforcing bar 5, first additional reinforcing bar 6, the second additional reinforcing bar is along the length direction interval arrangement of well neck wall 1, fore shaft 2 and wall seat 7 are concrete placement and form an organic whole, the well neck is reinforced concrete's overall structure, higher intensity has.
Further, the utility model discloses the well neck still includes metal mesh 8, and metal mesh 8 is established in well neck wall 1, and the one end that stock 3 stretched into well neck wall 1 links to each other with metal mesh 8, and metal mesh 8 links to each other with basic reinforcing bar 5 in the well neck wall 1 again, and metal mesh 8 is located basic reinforcing bar 5's the outside moreover, and metal mesh 8 can stabilize the country rock with stock 3 together before the well neck construction in advance.
In some embodiments, the locking piece 2 is annular and is arranged around the periphery of the well neck wall 1, the locking piece 2 comprises a first section 2-1 and a second section 2-2 which are sequentially connected along the length direction of the well neck wall 1, the second section 2-2 is suitable for being in contact with surrounding rocks, the cross-sectional area of the first section 2-1 is constant along the direction towards the second section 2-2, the cross-sectional area of the second section 2-2 is gradually reduced along the direction far away from the first section 2-1, the second section 2-2 of the locking piece 2 can increase the contact area of the locking piece 2 and the surrounding rocks, and the first section 2-1 of the locking piece 2 ensures that the top surface of the well neck is flat. As shown in FIG. 1, the first section 2-1 and the second section 2-2 are connected in series in the top-to-bottom direction, the cross-sectional area of the first section 2-1 is constant in the top-to-bottom direction, and the cross-sectional area of the second section 2-2 is gradually reduced in the top-to-bottom direction.
A specific exemplary well neck in accordance with the present invention is described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the outer circumferential surface of the well neck is in contact with the inner circumferential surface of the surrounding rock, the well neck comprises a well neck wall 1, an anchor rod 3, a wall seat 7 and a metal mesh 8, the well neck is provided with a cavity surrounded by the well neck wall 1, the outer circumferential surface of the upper end of the well neck wall 1 is provided with a locking piece 2, the locking piece 2 is positioned above the surrounding rock and is in contact with the top surface of the surrounding rock, the locking piece 2 is annular and is arranged around the outer circumference of the well neck wall 1, the locking piece 2 comprises a first section 2-1 and a second section 2-2 which are sequentially connected in the top-to-bottom direction, the second section 2-2 is suitable for being in contact with the surrounding rock, the cross-sectional area of the first section 2-1 is constant in the top-to-bottom direction, and the cross-sectional area of.
One end of the anchor rod 3 extends into the well neck wall 1 from the peripheral surface of the well neck wall 1 and is connected with the well neck wall 1, and the other end of the anchor rod 3 is inserted into surrounding rock.
Wall seat 7 is the periphery setting that the annular just encircles well neck wall 1, and wall seat 7 and fore shaft piece 2 interval arrangement in the upper and lower direction, wall seat 7 and fore shaft piece 2 interval arrangement, and wall seat 7 also is a plurality ofly, and a plurality of wall seats 7 are along upper and lower direction interval arrangement.
The wall seat 7 comprises a first portion 7-1 and a second portion 7-2 which are sequentially connected in the direction from top to bottom, the cross sectional area of the first portion 7-1 gradually increases in the direction from top to bottom, the cross sectional area of the second portion 7-2 gradually decreases in the direction from top to bottom, the size of the first portion 7-1 in the up-down direction is larger than that of the second portion 7-2 in the up-down direction, the strength of the wall seat 7 can be improved, the well neck wall 1 is in protruding connection with surrounding rocks through the wall seat 7, and the stability of connection of the well neck wall 1 and the surrounding rocks is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (11)
1. The utility model provides a well neck, its characterized in that, the outer peripheral face of well neck is suitable for and contacts with the inner peripheral surface of country rock, the well neck has the cavity, the well neck includes well neck wall and stock, well neck wall encloses into the cavity, the outer peripheral face of the upper end of well neck wall is equipped with the fore shaft spare, the fore shaft spare is suitable for being located the top of country rock and with the top surface of country rock contacts, the one end of stock is followed the outer peripheral face of well neck wall stretches into in the well neck wall and with the well neck wall links to each other, the other end of stock is suitable for inserting in the country rock.
2. The wellhead of claim 1, further comprising a wall seat disposed on an outer peripheral surface of the wellhead wall, the wall seat and the locking piece being spaced apart in a length direction of the wellhead wall.
3. The wellhead of claim 2, wherein the wall seat is disposed around an outer periphery of the wellhead wall and the wall seat is annular.
4. The wellhead of claim 2, wherein the wall seat comprises a first portion and a second portion connected in series along a length of the wellhead wall, the first portion having a cross-sectional area that increases in a direction away from the locking piece, the second portion having a cross-sectional area that decreases in a direction away from the first portion.
5. The well neck of claim 4, wherein a dimension of the first portion in a length direction of the well neck wall is greater than a dimension of the second portion in the length direction of the well neck wall.
6. The well neck of claim 2, wherein said wall seats are plural and are spaced apart along a length of said well neck wall.
7. The wellhead of claim 2, further comprising a plurality of reinforcing ribs disposed within the wellhead wall, the locking collar, and the wall seat, the plurality of reinforcing ribs being spaced apart along a length of the wellhead wall.
8. The well neck of claim 2 wherein said well neck wall, said locking notch member and said wall seat are integrally cast in concrete.
9. A wellhead as claimed in any of claims 1 to 8, wherein the locking piece is provided around the periphery of the wellhead wall and is annular.
10. The wellhead of claim 9, wherein the locking piece comprises a first section and a second section connected in series along a length of the wellhead wall, the second section adapted to contact the surrounding rock, the first section having a cross-sectional area that is constant in a direction toward the second section, the second section having a cross-sectional area that decreases in a direction away from the first section.
11. A neck as claimed in any one of claims 1 to 8 further comprising a metal mesh provided within the neck wall, the end of the bolt extending into the neck wall being connected to the metal mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787252.0U CN213510609U (en) | 2020-08-24 | 2020-08-24 | Well neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787252.0U CN213510609U (en) | 2020-08-24 | 2020-08-24 | Well neck |
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| Publication Number | Publication Date |
|---|---|
| CN213510609U true CN213510609U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021787252.0U Active CN213510609U (en) | 2020-08-24 | 2020-08-24 | Well neck |
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| CN (1) | CN213510609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847036A (en) * | 2021-10-25 | 2021-12-28 | 安徽理工大学 | Double-wall seat structure for deep drilling shaft after well wall bottom breaking and construction method |
-
2020
- 2020-08-24 CN CN202021787252.0U patent/CN213510609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847036A (en) * | 2021-10-25 | 2021-12-28 | 安徽理工大学 | Double-wall seat structure for deep drilling shaft after well wall bottom breaking and construction method |
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