CN210482237U - Internal supporting device for dam stainless steel drain hole - Google Patents
Internal supporting device for dam stainless steel drain hole Download PDFInfo
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- CN210482237U CN210482237U CN201921296541.8U CN201921296541U CN210482237U CN 210482237 U CN210482237 U CN 210482237U CN 201921296541 U CN201921296541 U CN 201921296541U CN 210482237 U CN210482237 U CN 210482237U
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Abstract
An internal supporting device of a dam stainless steel drain hole relates to a drain hole of a water conservancy dam. The utility model relates to a solve the stainless steel wash port size very big, it is extremely yielding in the dam installation to transport, and need guarantee the not impaired problem of corrosion resistant plate face. The device comprises four steel pipe trusses, a plurality of first supporting mechanisms and a plurality of length adjusting mechanisms, wherein each steel pipe truss is a # -shaped square frame body formed by welding a plurality of steel pipes; the four steel pipe trusses are sequentially connected through the length adjusting mechanism and are arranged in the drainage hole, two adjacent side vertical surfaces in each steel pipe truss are arranged relative to the inner wall of the drainage hole, a first supporting mechanism is fixedly arranged at the end part of each of the plurality of steel pipes extending out of the two adjacent side vertical surfaces, and the first supporting mechanism is supported on the inner wall of the drainage hole. The utility model discloses mainly used supports dam stainless steel wash port.
Description
Technical Field
The utility model relates to a wash port of water conservancy dam especially relates to an inside strutting arrangement of dam stainless steel wash port.
Background
The water conservancy dam drain hole is formed by welding stainless steel plates, the outer surface of the drain hole is reinforced by reinforcing ribs, the stainless steel drain hole is fixed in a dam by a cement pouring method, the size of the water conservancy dam drain hole is very large, and multiple sections of stainless steel drain holes are required to be welded in sequence, so that the size requirement of the drain hole is very high in the process of welding the stainless steel drain hole, the structural size deviation is required to be within 5 mm, after the multiple sections of stainless steel drain holes are welded in a workshop, the stainless steel drain hole is very large in size, generally more than 10 m in length or width, and is extremely easy to deform in the process of transporting to the dam, so that an internal supporting device of the large-size drain hole is urgently needed, and the stainless steel drain hole arranged in the dam is prevented from being easily damaged by water, and the surface of the stainless steel plate is required to be prevented.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the stainless steel drain hole is large in size, is extremely easy to deform in the process of transporting to a dam and needs to ensure that the surface of the stainless steel plate cannot be damaged, and therefore the internal supporting device for the stainless steel drain hole of the dam is provided.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the internal supporting device of the drain hole comprises four steel pipe trusses 2, a plurality of first supporting mechanisms 3 and a plurality of length adjusting mechanisms 4, each steel pipe truss 2 is a square frame body formed by welding a plurality of steel pipes 2-1, and a plurality of steel pipes extending out perpendicular to side vertical surfaces are arranged on four side vertical surfaces of the square frame body respectively;
the four steel pipe trusses 2 are sequentially connected through the length adjusting mechanisms 4 and are arranged in the drain hole 1, two adjacent side vertical surfaces in each steel pipe truss 2 are arranged relative to the inner wall of the drain hole 1, the end parts of the steel pipes extending out of the two adjacent side vertical surfaces are fixedly provided with the first supporting mechanism 3 respectively, and the first supporting mechanism 3 is supported on the inner wall of the drain hole 1.
Compared with the prior art, the utility model the beneficial effect who produces is:
1. the utility model adopts the internal supporting device to be supported in the stainless steel drainage hole, and the whole internal supporting device is supported in the drainage hole by adjusting the extending length of the screw in the first supporting mechanism, so that the drainage hole is not deformed, and meanwhile, the screw in the supporting mechanism is contacted with the inner wall of the drainage hole through the rubber gasket, thereby ensuring that the surface of the stainless steel plate is not damaged;
2. the internal supporting device changes the whole size of the internal supporting device by adjusting the length adjusting mechanism, is suitable for drain holes with various sizes, and saves time, labor and cost.
Drawings
FIG. 1 is a schematic view of the overall structure of an internal support device;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic structural view of a length adjustment mechanism;
FIG. 6 is a cross-sectional view of FIG. 5;
fig. 7 is a schematic structural diagram of the second supporting mechanism.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings:
the first embodiment is as follows: as shown in fig. 1 and 2, in this embodiment, the internal supporting device of the drain hole includes four steel pipe trusses 2, a plurality of first supporting mechanisms 3 and a plurality of length adjusting mechanisms 4, each steel pipe truss 2 is a # -shaped square frame body formed by welding a plurality of steel pipes 2-1, and a plurality of steel pipes extending perpendicular to the side vertical surfaces are respectively arranged on four side vertical surfaces of the square frame body;
when the steel pipe truss 2 passes through a square frame body formed by welding 12 steel pipes 2-1, the upper layer is formed by cross welding of 4 horizontally arranged steel pipes, the lower layer is formed by cross welding of 4 horizontally arranged steel pipes, as can be seen from figure 1, the upper layer and the lower layer are welded through 4 vertically arranged steel pipes, as can be seen from figure 2; wherein, each side elevation of the steel pipe truss 2 is provided with 4 steel pipes which extend out;
two adjacent steel pipe trusses 2 are fixedly connected through four length adjusting mechanisms 4, 16 length adjusting mechanisms 4 are counted, the four steel pipe trusses 2 are sequentially connected to form a large square frame body, the large square frame body is arranged in the drain hole 1, four side elevation surfaces of the large square frame body and four inner walls of the drain hole are arranged in a one-to-one mode, namely two adjacent side elevation surfaces in each steel pipe truss 2 are arranged relative to the inner wall of the drain hole 1, the end portions of 8 steel pipes extending out of the two adjacent side elevation surfaces are fixedly provided with a first supporting mechanism 3 respectively, and 32 first supporting mechanisms 3 are counted and supported on the inner wall of the drain hole 1 respectively.
When the internal supporting device is used, four steel pipe trusses 2 are connected through the length adjusting mechanism 4, the length of the length adjusting mechanism 4 is adjusted according to the size of the drain hole, the size of the whole large square frame body is adjusted to be suitable for drain holes with different sizes, the first supporting mechanism 3 is finely adjusted, so that the plurality of first supporting mechanisms 3 are supported on the inner wall of the drain hole, the deformation of four plate surfaces of the drain hole due to overlarge size and vibration generated in the transportation process is prevented, the first supporting mechanism 3 is not fixedly connected with the inner wall of the drain hole, the inner wall of the drain hole cannot be damaged, when two sections of the drain holes are welded together, the length of the length adjusting mechanism 4 is only required to be adjusted, or the length adjusting mechanism 4 is unloaded from the steel pipe trusses 2, and the internal supporting device can be unloaded, and the transportation of the steel pipe truss 2 is also facilitated.
The second embodiment is as follows: as shown in fig. 2, in the present embodiment, the internal supporting device of the drain hole further includes a plurality of second supporting mechanisms 5, and 2 or 4 second supporting mechanisms 5 are respectively disposed below each steel pipe truss 2 for supporting the steel pipe truss 2.
In order to prevent the large-size stainless steel drain hole from sliding down along the inner wall of the drain hole due to the self weight and the vibration in the transportation process in the process of transporting the large-size stainless steel drain hole to a dam from a processing place, a second supporting mechanism is arranged for supporting the four steel pipe trusses 2, the height of the second supporting mechanism 5 can be adjusted according to the distance between the steel pipe trusses 2 and the upper surface of a carrier, the second supporting mechanism 5 is movably connected with the steel pipe trusses 2, and the position of the second supporting mechanism 5 can be adjusted at any time according to the position of the steel pipe trusses 2.
Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: as shown in fig. 3 and 4, in this embodiment, the first supporting mechanism 3 includes a screw 3-2, an adjusting knob 3-3 and a fixing block 3-4, the fixing block 3-4 is fixedly connected to the ends of the plurality of steel pipes extending from two adjacent side elevation surfaces, the fixing block 3-4 is provided with internal threads, the threaded end of the screw 3-2 is screwed on the fixing block 3-4, the screw rod of the screw 3-2 is screwed with the adjusting knob 3-3, and the nut of the screw 3-2 is pressed against the inner wall of the drainage hole 1.
When the first supporting mechanism 3 is finely adjusted, the inner wall of the drain hole can be supported and prevented from deforming only by adjusting the screwing depth of the screw 3-2 and the threaded hole in the fixed block 3-4 to adjust the length of the screw 3-2 exposed out of the steel pipe truss 2; when the distance between the steel pipe truss 2 and the inner wall of the drainage hole is larger, the adjusting screw 3-2 is exposed out of the length of the steel pipe truss 2, and the adjusting knob 3-3 is pressed on the fixing block 3-4, so that the gap between the steel pipe truss 2 and the inner wall of the drainage hole can be eliminated, and the effect of completely supporting the drainage hole is achieved.
Other components and connection modes are the same as those of the first embodiment.
The fourth concrete implementation mode: as shown in fig. 3 and 4, in the present embodiment, the first supporting mechanism 3 further includes a rubber gasket 3-1, and the rubber gasket 3-1 is disposed between the nut of the screw 3-2 and the inner wall of the drainage hole.
The high-strength rubber gasket 3-1 is arranged to prevent the nut of the screw 3-2 from directly pushing against the inner wall of the drain hole to damage the inner wall of the drain hole.
Other components and connection modes are the same as those of the third embodiment.
The fifth concrete implementation mode: as shown in fig. 1, in the present embodiment, the internal supporting device of the drain hole further includes a plurality of hexagon nuts 6;
the end parts of a plurality of steel pipes extending out of the other two adjacent side vertical surfaces in each steel pipe truss 2 are respectively screwed with first external threads 2-2, and the end parts of the steel pipes on the opposite side vertical surfaces of the two adjacent steel pipe trusses 2 are screwed with the first external threads 2-2 in one-to-one correspondence;
as shown in fig. 5 and 6, the two ends of the length adjusting mechanism 4 are respectively screwed with second external threads, two opposite side vertical surfaces of two adjacent steel pipe trusses 2 are fixedly connected with a plurality of hexagon nuts 6 through a plurality of length adjusting mechanisms 4, one hexagon nut 6 is simultaneously screwed with one end of one length adjusting mechanism 4 and the first external thread 2-2 end of the steel pipe on the side vertical surface of one steel pipe truss 2, and the other hexagon nut 6 is simultaneously screwed with the other end of one length adjusting mechanism 4 and the first external thread 2-2 end of the steel pipe on the side vertical surface of the other steel pipe truss 2.
The length adjusting mechanism is connected on the two steel pipe trusses 2 through second external threads arranged at two ends and two hexagonal nuts 6, the length of the length adjusting mechanism is adjusted firstly in the connection process, so that the length of the length adjusting mechanism is the same as the distance between the steel pipes extending out of the two corresponding side vertical surfaces on the two adjacent steel pipe trusses 2, and the two hexagon nuts 6 are completely screwed on the first external thread 2-2 ends of the steel pipes extending out of the two steel pipe trusses 2 or the two second external thread ends of the length adjusting mechanism, the first external thread 2-2 ends and the second external thread ends are aligned, the hexagon nuts 6 are rotated, the hexagon nuts 6 move towards the second external thread end of the length adjusting mechanism or the first external thread 2-2 end of the steel pipe truss 2 until the two hexagon nuts 6 connect one length adjusting mechanism with the steel pipes extending out of the two steel pipe trusses 2. Other components and connection modes are the same as those of the first embodiment.
The sixth specific implementation mode: as shown in fig. 5 and 6, in the present embodiment, the length adjustment mechanism 4 includes a screw rod 4-1 and a threaded cylinder 4-2, an internal thread is provided in the threaded cylinder 4-2, an external thread is provided at one end of the threaded cylinder 4-2, the screw rod 4-1 includes a first screw rod 4-1-1 and a second screw rod 4-1-2, the first screw rod 4-1-1 and the second screw rod 4-1-2 are fixedly connected along an axial direction, an outer diameter of the first screw rod 4-1-1 is larger than an outer diameter of the second screw rod 4-1-2, and the second screw rod 4-1-2 is screwed into the internal thread of the threaded cylinder 4-2 from the other end of the threaded cylinder 4-2. The length of the length adjusting mechanism 4 is determined by the screwing depth of the screw rod 4-1 and the threaded hole of the threaded cylinder 4-2, when the depth of the screw rod 4-1 screwed in the threaded hole of the threaded cylinder 4-2 is larger, the length of the length adjusting mechanism 4 is shortened, otherwise, the length is lengthened;
the length adjusting mechanism 4 is simple in structure, convenient to adjust and capable of being assembled and disassembled quickly.
The other components and the connection mode are the same as the fifth embodiment mode.
The seventh embodiment: as shown in fig. 7, in the present embodiment, the second supporting mechanism 5 includes a hydraulic cylinder 5-1 and a supporting seat 5-2, and the supporting seat 5-2 is disposed at the top end of the telescopic cylinder of the hydraulic cylinder 5-1.
The other components and the connection mode are the same as those of the second embodiment.
The specific implementation mode is eight: as shown in fig. 7, in the present embodiment, the upper surface of the support base 5-2 is arc-shaped and matches with the outer circumference of the steel pipe 2-1.
The other components and the connection mode are the same as those of the seventh embodiment.
Claims (8)
1. The utility model provides an inside strutting arrangement of dam stainless steel wash port which characterized in that: the steel pipe truss structure comprises four steel pipe trusses (2), a plurality of first supporting mechanisms (3) and a plurality of length adjusting mechanisms (4), wherein each steel pipe truss (2) is a square frame body formed by welding a plurality of steel pipes (2-1), and a plurality of steel pipes extending out perpendicular to side vertical surfaces are arranged on four side vertical surfaces of the square frame body respectively;
the four steel pipe trusses (2) are sequentially connected through the length adjusting mechanisms (4) and are arranged in the drain holes (1), two adjacent side vertical surfaces in each steel pipe truss (2) are arranged relative to the inner wall of the drain hole (1), the end parts of the steel pipes extending out of the two adjacent side vertical surfaces are fixedly provided with a first supporting mechanism (3) respectively, and the first supporting mechanism (3) is supported on the inner wall of the drain hole (1).
2. The internal support structure of a drain hole according to claim 1, wherein: the internal supporting device of the drain hole further comprises a plurality of second supporting mechanisms (5), and 2 or 4 second supporting mechanisms (5) are arranged below each steel pipe truss (2) and used for supporting the steel pipe trusses (2).
3. The internal support structure of a drain hole according to claim 1, wherein: the first supporting mechanism (3) comprises screws (3-2), adjusting knobs (3-3) and fixing blocks (3-4), the fixing blocks (3-4) are fixedly connected with the end portions of the steel pipes extending out of two adjacent side vertical surfaces, internal threads are formed in the fixing blocks (3-4), the threaded ends of the screws (3-2) are screwed on the fixing blocks (3-4), the adjusting knobs (3-3) are screwed on screw rods of the screws (3-2), and screw caps of the screws (3-2) are pressed against the inner wall of the drain hole (1).
4. The internal support structure of a drain hole according to claim 3, wherein: the first supporting mechanism (3) further comprises a rubber gasket (3-1), and the rubber gasket (3-1) is arranged between the screw cap of the screw (3-2) and the inner wall of the drainage hole.
5. The internal support structure of a drain hole according to claim 1, wherein: the internal supporting device of the drain hole also comprises a plurality of hexagonal nuts (6);
the end parts of a plurality of steel pipes extending out of the other two adjacent side vertical surfaces in each steel pipe truss (2) are respectively screwed with first external threads (2-2), and the end parts of the steel pipes on the opposite side vertical surfaces of the two adjacent steel pipe trusses (2) are screwed with the first external threads (2-2) and are arranged in a one-to-one correspondence manner;
two ends of each length adjusting mechanism (4) are respectively screwed with second external threads, two opposite side vertical faces of two adjacent steel pipe trusses (2) are fixedly connected with a plurality of hexagon nuts (6) through a plurality of length adjusting mechanisms (4), one hexagon nut (6) is simultaneously screwed at one end of one length adjusting mechanism (4) and the first external thread (2-2) end of the steel pipe on the middle side vertical face of one steel pipe truss (2), and the other hexagon nut (6) is simultaneously screwed at the other end of one length adjusting mechanism (4) and the first external thread (2-2) end of the steel pipe on the middle side vertical face of the other steel pipe truss (2).
6. The internal support structure of a drain hole according to claim 5, wherein: the length adjusting mechanism (4) comprises a screw rod (4-1) and a threaded cylinder (4-2), internal threads are arranged in the threaded cylinder (4-2), external threads are arranged at one end of the threaded cylinder (4-2), the screw rod (4-1) comprises a first screw rod (4-1-1) and a second screw rod (4-1-2), the first screw rod (4-1-1) and the second screw rod (4-1-2) are fixedly connected along the axial direction, the outer diameter of the first screw rod (4-1-1) is larger than that of the second screw rod (4-1-2), and the second screw rod (4-1-2) is connected in the internal threads of the threaded cylinder (4-2) in a rotating mode from the other end of the threaded cylinder (4-2).
7. The internal support structure of a drain hole according to claim 2, wherein: the second supporting mechanism (5) comprises a hydraulic cylinder (5-1) and a supporting seat (5-2), and the supporting seat (5-2) is arranged at the top end of the telescopic cylinder of the hydraulic cylinder (5-1).
8. The internal support structure of a drain hole according to claim 7, wherein: the upper surface of the support seat (5-2) is arc-shaped and is matched with the outer circumferential surface of the steel pipe (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296541.8U CN210482237U (en) | 2019-08-08 | 2019-08-08 | Internal supporting device for dam stainless steel drain hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296541.8U CN210482237U (en) | 2019-08-08 | 2019-08-08 | Internal supporting device for dam stainless steel drain hole |
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| Publication Number | Publication Date |
|---|---|
| CN210482237U true CN210482237U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921296541.8U Active CN210482237U (en) | 2019-08-08 | 2019-08-08 | Internal supporting device for dam stainless steel drain hole |
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| CN (1) | CN210482237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216071A (en) * | 2021-04-06 | 2021-08-06 | 华北水利水电大学 | Bottom sill type component for eliminating aqueduct water level fluctuation |
-
2019
- 2019-08-08 CN CN201921296541.8U patent/CN210482237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216071A (en) * | 2021-04-06 | 2021-08-06 | 华北水利水电大学 | Bottom sill type component for eliminating aqueduct water level fluctuation |
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