CN216739470U - Orifice pipe underwater fixing structure for deep water curtain construction of toe board of face rockfill dam - Google Patents
Orifice pipe underwater fixing structure for deep water curtain construction of toe board of face rockfill dam Download PDFInfo
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- CN216739470U CN216739470U CN202122900611.XU CN202122900611U CN216739470U CN 216739470 U CN216739470 U CN 216739470U CN 202122900611 U CN202122900611 U CN 202122900611U CN 216739470 U CN216739470 U CN 216739470U
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Abstract
The utility model discloses an underwater fixing structure of an orifice pipe for deep water curtain construction of a toe plate of a concrete faced rockfill dam, which is used for fixing a plurality of orifice pipes which are sequentially embedded and cast on the toe plate of the concrete faced rockfill dam at intervals, and the underwater fixing structure of the orifice pipe comprises: the transverse pipes are arranged at intervals in the vertical direction; each transverse pipe is horizontally arranged and detachably connected with the plurality of orifice pipes through double-buckle connecting pieces; a plurality of cross braces, wherein any cross brace is fixedly connected with the transverse pipe; a plurality of even wall spare, arbitrary even wall spare includes dowel steel and connecting rod, the vertical anchor of dowel steel is on the toe board, connecting rod one end with dowel steel fixed connection, the other end with violently manage with the junction fixed connection of orifice pipe. The utility model can strengthen the integral stress condition of the orifice pipe and ensure the stability of the orifice pipe.
Description
Technical Field
The utility model relates to the field of deepwater curtain construction devices. More particularly, the present invention relates to an underwater fixing structure of an orifice pipe for deep water curtain construction of toe boards of a concrete faced rockfill dam.
Background
On the premise of bearing the functions of blocking flood, storing water and reducing flood peak water flow, most of large and medium-sized reservoirs in China also have the functions of generating electricity, supplying water and the like, so that the reservoir capacity cannot be emptied to reach the condition of dry land construction in the process of seepage-proofing and leakage-stopping construction of partial large and medium-sized dangerous reservoirs. Therefore, in the reservoir danger eliminating and reinforcing engineering, the dam foundation seepage-proofing curtain grouting engineering must be carried out in a deep water environment, curtain grouting drilling orifices are newly added on toe boards, orifice pipes are buried in the toe boards, and orifice sealing and orifice circulating grouting are carried out through the orifice pipes. After the orifice pipe is cast in, the underwater part of the orifice pipe must be fixed by considering the influence of water level change and water flow impact, so that the integral stress condition of the orifice pipe is improved, and the influence on subsequent construction procedures is avoided.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided an underwater fastening structure of an orifice pipe for deep water curtain construction of a toe plate of a face rock-fill dam for fastening a plurality of orifice pipes sequentially insert-cast at intervals on the toe plate of the face rock-fill dam, the underwater fastening structure comprising:
the transverse pipes are arranged at intervals in the vertical direction; each transverse pipe is horizontally arranged and detachably connected with the plurality of orifice pipes through double-buckle connecting pieces;
a plurality of cross braces, wherein any cross brace is fixedly connected with the transverse pipe;
a plurality of even wall spare, arbitrary even wall spare includes dowel steel and connecting rod, the vertical anchor of dowel steel is on the toe board, connecting rod one end with dowel steel fixed connection, the other end with violently manage with the junction fixed connection of orifice pipe.
Preferably, still include and sweep the ground pole, sweep the ground pole with toe board parallel arrangement, and with interval between the toe board is 20 ~ 30cm, sweep the ground pole through double-button connecting piece and many the orifice pipe can be dismantled and be connected.
Preferably, the double-buckle connecting piece comprises two C-shaped buckles vertically and alternately arranged up and down, and the two C-shaped buckles are fixedly connected.
Preferably, the C-shaped buckle includes a clamping portion with a C-shaped cross section, and two ends of the clamping portion respectively extend horizontally outwards to form two connecting portions; the C-shaped buckle further comprises a screw, one end of the screw abuts against the inner wall of one of the connecting parts, and the other end of the screw penetrates through the other connecting part and then is fixed through a nut.
Preferably, the engaging portion of one C-shaped buckle of the double buckle connecting piece is matched with the shape of the orifice pipe, and the engaging portion of the other C-shaped buckle is matched with the shape of the transverse pipe or the floor sweeping rod.
Preferably, the distance between two adjacent transverse pipes is 5-10 m.
Preferably, the length of the connecting rod is less than or equal to 300 mm.
The utility model at least comprises the following beneficial effects:
according to the underwater fixing structure for the orifice pipes, the plurality of orifice pipes are fixed in a linkage manner under water through the plurality of transverse pipes arranged at intervals in the vertical direction, then the cross braces are arranged on the transverse pipes, the plurality of transverse pipes and the plurality of cross braces are connected to form a whole, and then the transverse pipes and the toe boards are further fixed through the wall connecting pieces, so that the integral stress condition of the orifice pipes is enhanced, the stability of the orifice pipes is ensured, and the construction quality of the whole curtain is further ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural view of an underwater fastening structure for an orifice pipe according to an embodiment of the present invention;
FIG. 2 is a front view of the double buckle connector according to the above embodiment of the present invention;
fig. 3 is a right side view of the double buckle connector according to the above embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides an underwater fixing structure of an orifice pipe for deep water curtain construction of a toe plate of a panel rock-fill dam, for fixing a plurality of orifice pipes 1 sequentially insert-cast at intervals on a toe plate 6 of the panel rock-fill dam, the underwater fixing structure of the orifice pipe comprising:
the horizontal pipes 2 are arranged at intervals in the vertical direction; each transverse pipe 2 is horizontally arranged and detachably connected with the plurality of orifice pipes 1 through double-buckle connecting pieces;
a plurality of cross braces 3, wherein any cross brace 3 is fixedly connected with the transverse pipe 2;
a plurality of even wall spare 4, arbitrary even wall spare 4 includes dowel steel and connecting rod, the vertical anchor of dowel steel is on toe board 6, connecting rod one end with dowel steel fixed connection, the other end with violently manage 2 with the junction fixed connection of orifice pipe 1.
In this technical solution, the horizontal tube 2 is horizontally arranged to interlock and fix a plurality of orifice tubes 1 at the upstream and downstream. When the elevation of the toe boards 6 is gradually increased, the transverse pipes 2 at the lower end can only be connected with a small part of the orifice pipes 1, so that a plurality of transverse pipes 2 are arranged in the vertical direction at intervals, the distance between every two adjacent transverse pipes 1 is 5-10 m, and 10-20 adjacent orifice pipes 1 at the upstream and downstream can be fixed together; preferably, the cross tube 2 may be arranged throughout the length of the curtain grouting axis. Then a plurality of cross braces 3 are arranged on the outer side of the transverse pipe, the cross braces 3 are arranged at an angle of 45 degrees, and the cross braces 3 are arranged on the whole vertical surface of the orifice pipe 1, namely the cross braces 3 and the transverse pipe 2 are connected with each other to form a whole. In order to further increase the stability of the orifice pipe 1 and firmly connect the orifice pipe 1 and the toe plate 6, a plurality of dowel bars are sequentially arranged on the toe plate 6, then one end of the connecting rod is fixedly connected with the dowel bars, and the other end of the connecting rod is fixedly connected with the connecting part of the transverse pipe 2 and the orifice pipe 1; for guaranteeing the supporting effect of the wall connecting piece, the length of the connecting rod is less than or equal to 300mm, and the connecting rod can adopt a frame pipe or directly adopt a twisted steel bar.
In another embodiment, the floor sweeping device further comprises a floor sweeping rod 5, the floor sweeping rod 5 and the toe boards 6 are arranged in parallel, the distance between the floor sweeping rod 5 and the toe boards is 20-30 cm, and the floor sweeping rod 5 is detachably connected with the plurality of the orifice pipes 1 through the double-buckle connecting piece. Through setting up the pole 5 increase of sweeping the ground the holistic rigidity of orifice pipe 1 makes a plurality ofly the orifice pipe 1 atress tends to evenly, avoids because of part the stability that the whole structure was influenced to orifice pipe 1 deformation is too big.
In another embodiment, the double-buckle connecting piece comprises two C-shaped buckles 7 vertically staggered up and down, and the two C-shaped buckles 7 are fixedly connected. Two C type is detained respectively with orifice pipe 1, violently manage 2 or sweep ground pole 5 and be connected, realize orifice pipe 1 with violently manage 2 and orifice pipe 1 with sweep quick connection and dismantlement between the ground pole 5.
In another embodiment, the C-shaped buckle 7 includes a clamping portion 71 with a C-shaped cross section, and two ends of the clamping portion respectively extend horizontally outwards to form two connecting portions 72; the C-shaped buckle 7 further comprises a screw rod 73, one end of the screw rod 73 is abutted against the inner wall of one of the connecting parts 72, and the other end of the screw rod 73 penetrates through the other connecting part 73 and then is fixed through a nut 74.
In this technical solution, at the connection between the orifice pipe 1 and the horizontal pipe 2 or between the orifice pipe 1 and the floor sweeping bar 5, the engaging portion 7 is fastened to the outer circumference of the orifice pipe 1, the horizontal pipe 2 or the floor sweeping bar 5, and then the screw is passed through the connection portion and fastened by the nut 74. After the upper and lower C-shaped openings 7 of the double-buckle connecting piece are fastened by the nuts 74, the fixed connection of the connection node of the orifice pipe 1 and the transverse pipe 2 or the connection node of the orifice pipe 1 and the floor sweeping rod 5 is completed, the connection is firm, and the installation and the disassembly are easy.
In another embodiment, the engaging portion of one C-shaped buckle 71 of the double buckle connector matches with the shape of the orifice pipe 1, and the engaging portion 71 of the other C-shaped buckle matches with the shape of the horizontal pipe 2 or the floor sweeping rod 5. With this technical solution, the engaging portion 71 can be tightly abutted against the outer circumference of the orifice pipe 1, the horizontal pipe 2 or the floor sweeping rod 5, so that the connection of the double-buckle connection member is firmer and more stable.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a panel rock-fill dam toe board deep water curtain construction is with fixed structure under water of orifice pipe for many orifice pipes of fixed interval cast-in on panel rock-fill dam toe board in proper order, its characterized in that, the fixed structure under water of orifice pipe includes:
the transverse pipes are arranged at intervals in the vertical direction; each transverse pipe is horizontally arranged and detachably connected with the plurality of orifice pipes through double-buckle connecting pieces;
a plurality of cross braces, wherein any cross brace is fixedly connected with the transverse pipe;
a plurality of even wall spare, arbitrary even wall spare includes dowel steel and connecting rod, the vertical anchor of dowel steel is on the toe board, connecting rod one end with dowel steel fixed connection, the other end with violently manage with the junction fixed connection of orifice pipe.
2. The underwater fixing structure of the orifice pipe for deep water curtain construction of toe plates of the face rockfill dam of claim 1, further comprising a sweeping rod disposed in parallel with the toe plates with a distance of 20-30 cm from the toe plates, the sweeping rod being detachably connected to the plurality of orifice pipes by the double-buckle connection member.
3. The underwater fixing structure of the orifice pipe for deep water curtain construction of toe boards of the panel rock-fill dam as claimed in claim 2, wherein the double-button connecting member comprises two C-shaped buttons vertically staggered up and down, and the two C-shaped buttons are fixedly connected with each other.
4. The underwater fixing structure of the orifice pipe for deep water curtain construction of toe boards of the panel rock-fill dam of claim 3, wherein the C-shaped buckle comprises a clamping part with a C-shaped cross section, and two ends of the clamping part respectively extend outwards horizontally to form two connecting parts; the C-shaped buckle further comprises a screw, one end of the screw abuts against the inner wall of one of the connecting parts, and the other end of the screw penetrates through the other connecting part and then is fixed through a nut.
5. The underwater fixing structure of the orifice pipe for deep water curtain construction of toe boards of the panel rock-fill dam of claim 4, wherein the engaging portion of one C-shaped buckle of the double-buckle connecting member is matched with the shape of the orifice pipe, and the engaging portion of the other C-shaped buckle is matched with the shape of the horizontal pipe or the sweep bar.
6. The underwater fixing structure of the orifice pipe for deep water curtain construction of toe boards of the panel rock-fill dam as claimed in claim 1, wherein the interval between two adjacent horizontal pipes is 5 to 10 m.
7. The underwater fixing structure of the orifice pipe for deep water curtain construction of toe boards of the panel rock-fill dam of claim 1, wherein the length of the connecting rod is 300mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122900611.XU CN216739470U (en) | 2021-11-24 | 2021-11-24 | Orifice pipe underwater fixing structure for deep water curtain construction of toe board of face rockfill dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122900611.XU CN216739470U (en) | 2021-11-24 | 2021-11-24 | Orifice pipe underwater fixing structure for deep water curtain construction of toe board of face rockfill dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216739470U true CN216739470U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122900611.XU Active CN216739470U (en) | 2021-11-24 | 2021-11-24 | Orifice pipe underwater fixing structure for deep water curtain construction of toe board of face rockfill dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216739470U (en) |
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2021
- 2021-11-24 CN CN202122900611.XU patent/CN216739470U/en active Active
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