CN210507338U - Top water seal structure of ultra-high water head down-the-hole arc door - Google Patents
Top water seal structure of ultra-high water head down-the-hole arc door Download PDFInfo
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- CN210507338U CN210507338U CN201921104872.7U CN201921104872U CN210507338U CN 210507338 U CN210507338 U CN 210507338U CN 201921104872 U CN201921104872 U CN 201921104872U CN 210507338 U CN210507338 U CN 210507338U
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Abstract
The utility model discloses a top water seal structure of an ultra-high water head down-the-hole arc door, which comprises an arc door (2) arranged at the hole opening of a down-the-hole (1); valve control drain pipes (4) are arranged in the gate walls (3) on the two sides of the down-hole (1), one end of each valve control drain pipe (4) is positioned at the end part of a door lintel top water seal assembly (6) at the bottom of the downstream side of a door lintel (5) on the top of the down-hole (1), and the other end of each valve control drain pipe (4) is positioned on the gate wall (3) on the downstream side of the arc door (2); the top of the upstream side of the arc door (2) panel is provided with a gland type P water seal component (7). The utility model discloses from last to constitute multichannel stagnant water by gland formula P water seal subassembly, pressurized omega water seal, the hard sealed and the soft sealed constitution of button head down. The utility model not only effectively improves the water stop effect of the top water seal of the ultra-high head down-the-hole arc door, but also effectively prolongs the service life of the top water seal of the ultra-high head down-the-hole arc door; furthermore, the utility model discloses still have the maintenance convenience, working property is reliable and be favorable to advantages such as pouring of second phase concrete.
Description
Technical Field
The utility model relates to an extra-high water head down-the-hole radial gate top water seal structure belongs to hydraulic and hydroelectric engineering metal construction technical field.
Background
For the extra-high water head down-the-hole radial gate, the water seal mainly adopts a pressurized telescopic type and an eccentric hinged compression type, and the two water seal types have good water sealing effect after the operation inspection of engineering, but the gate slot bodies of the two water seal types are sudden expansion gate slots, the sizes of the gate slots on two sides are respectively expanded by 0.3-0.6 m, the widths of the gate leaves on two sides of the gate are correspondingly expanded by 0.3-0.6 m, so that for the extra-high water head down-the-hole radial gate with small orifice size, the dead weight of the gate is increased by more specific gravity, the capacity of a hoist is increased by more specific gravity, the economy is poor, and after the sudden expansion of the gate slots, the flow state of water flow is poor, the gate is easy to vibrate during the operation and is not beneficial to the safe operation of the gate.
For the extra-high water head down-the-hole arc door adopting the conventional prepressing water seal, the top water seal generally consists of two water seal devices, wherein one water seal device is a gland type P-shaped water seal arranged at the top of the down-the-hole arc door, and the other water seal device is a rotary hinge water seal arranged on the door lintel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special high flood peak down-the-hole radial gate top water seal structure to solve the not enough of prior art existence.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to a top water seal structure of an extra-high water head down-the-hole arc door, which comprises an arc door arranged at the down-the-hole; valve control drain pipes are arranged in the gate walls on the two sides of the down-hole, one end of each valve control drain pipe is positioned at the end part of the door lintel top water seal assembly at the bottom of the downstream side of the door lintel on the top of the down-hole, and the other end of each valve control drain pipe is positioned on the gate wall on the downstream side of the arc door; the top of the upper stream side of the arc door panel is provided with a gland type P water seal assembly.
In the arc door top water seal structure, the door lintel top water seal assembly comprises a mounting seat and a hinged frame; the downstream surface of the mounting seat is sequentially provided with a P water seal base plate, an omega water seal mounting plate and a round head soft seal double-clamping plate from top to bottom; the top surface of the P water seal base plate is provided with a P water seal seat plate; the section of the omega water seal mounting plate is L-shaped; the downstream surface of the omega water seal mounting plate is provided with an omega water seal; the omega water seal is connected with the downstream surface of the omega water seal mounting plate through a pair of omega water seal pressing plates and a group of bolt assemblies; a pair of omega water seal supporting plates are arranged between the omega water seal and the downstream surface of the omega water seal mounting plate; a cavity formed between the pair of omega water seal supporting plates is communicated with an upstream water body through a pressurizing pipe; the bottom surface of the omega water seal mounting plate is provided with a group of double lug seats, and the double lug seats are hinged with the single lug plate on the hinge bracket through a pin shaft.
In the arc door top water seal structure, the cross section of the hinge bracket is in a reverse J shape; the lower surface of the hinge frame is provided with a round head hard sealing double clamping plate; the round-head hard seal double clamping plates are fixedly connected with the round-head hard seal through a group of bolt assemblies; the bottom surface and the side surface of the hinged support are fixedly connected with the round head through an L-shaped clamping plate and a group of bolt assemblies which are vertically arranged mutually; the other end of the round head soft seal is fixedly connected with the round head soft seal double-clamping plate on the mounting seat through a group of bolt assemblies.
In the arc door top water seal structure, two ends of the round head hard seal are provided with seal rubber pads; the sealing rubber pad is provided with a groove, a pressing plate is arranged in the groove, and the pressing plate is connected with the round head hard sealing end face through a screw.
In the arc door top water seal structure, the mounting seat is an inclined inverted T-shaped structure formed by welding a vertical inclined plate and a transverse inclined plate; the downstream surface of the vertical inclined plate is sequentially provided with a P water seal base plate, an omega water seal mounting plate and a round-head soft seal double-clamping plate from top to bottom; the top surface of the P water seal base plate is provided with a P water seal seat plate; the section of the omega water seal mounting plate is L-shaped; the bottom surface of the omega water seal mounting plate is provided with a group of double lug seats; the omega-shaped water seal mounting plate is provided with a pressurizing hole, the pressurizing hole is connected with one end of a pressurizing pipe, and the other end of the pressurizing pipe is connected with a pressurizing hole in the upstream water body on the transverse inclined plate; reinforcing plates are arranged on two sides of the joint of the vertical inclined plate and the transverse inclined plate and between the P water seal base plate and the omega water seal mounting plate, wherein the reinforcing plates on two sides of the joint of the vertical inclined plate and the transverse inclined plate are reinforcing plates with holes; and the downstream side of the transversely inclined plate between the reinforcing plates with holes is provided with an oblong hole.
In the arc door top water seal structure, the hinge bracket comprises a top plate; the top surface of the top plate is welded with a group of hinge lugs, and the bottom surface of the top plate is welded with an L-shaped bracket; the downstream surface of the L bracket is provided with a double-plate groove; and reinforcing plates are arranged between the two sides of the double-plate groove and the L-shaped bracket.
In the arc door top water seal structure, the top edge of the upstream surface of the arc door panel is provided with a gland type P water seal component; the gland type P water seal assembly comprises a P water seal bracket welded on the top edge of the upstream surface of the arc door panel, and the cross section of the P water seal bracket is in a reverse L shape; the water seal support P is provided with a group of reinforcing plates; the bottom surface of the P water seal bracket is fixedly connected with the P water seal through a P water seal supporting plate, a P water seal pressing plate and a bolt component; an omega water seal seat board and a soft seal water stop seat board are arranged on the arc door panel below the gland type P water seal component.
In the arc door top water seal structure, the omega water seal seat plate on the arc door corresponds to the omega water seal position on the door lintel top water seal component when the arc door is closed; the soft sealing water stop seat plate on the arc door corresponds to the round head soft sealing position on the door lintel top water sealing assembly when the arc door is closed; the P water seal seat board on the door lintel top water seal assembly corresponds to the P water seal position on the arc door when the arc door is closed.
The clearance between the round head hard seal and the outer edge of the arc door panel is 1-3 mm when the round head hard seal and the outer edge of the arc door panel are installed or not pressed.
The compression amount of the soft sealing water stop seat plate of the round head soft seal and the outer edge of the arc door panel during installation or non-compression is 1-5 mm.
Since the technical scheme is used, the utility model discloses compare with prior art, the utility model discloses from last to constitute multichannel stagnant water by gland formula P water seal subassembly, pressurized omega water seal, the hard sealed and the soft sealed of button head down. The pressurized omega water seal adopts the elbow pipe at the upstream or the intercommunicating pore on the water stop seat plate at the lower part to guide the reservoir water to pressurize, thereby effectively improving the water stop effect; the gap between the round-head hard seal and the outer edge of the arc door panel is 1-3 mm when the round-head hard seal is installed or is not pressed, the compression modulus of the hard seal is large, the deformation is small under the action of an ultrahigh water head, the distance between the hard seal and the soft seal is short, the round-head soft seal is in contact with the arc door panel when the round-head hard seal is pressed and also serves as a soft seal supporting and limiting device, the compression amount between the round-head soft seal and the soft seal water stop seat plate at the outer edge of the arc door panel is 1-5 mm when the round-head soft seal and the soft seal water stop seat plate are installed or are not pressed; the tail end of the valve control drain pipe is provided with a valve control drain, when the water pressure of the gland type P-shaped water seal device is overlarge, the valve control drain pipe is used for draining water leakage to reduce the compression force of the water seal, so that the compression amount of the water seal is reduced, the P-shaped water seal is prevented from creeping under the action of an ultrahigh water head, the service life of the P-shaped water seal is prolonged, and the maintenance is convenient; sealing rubber pads are arranged at two ends of the round-head hard seal and are fixed through screws and pressing plates, so that the strip-shaped round-head hard seal is effectively ensured to be tightly contacted with the side rails; the transverse sloping plate is provided with a row of long round holes, the lower part of the double-plate groove is provided with a reinforcing plate with holes, and when the ultra-high water head down-the-hole arc door is opened, reservoir water is communicated with the double-sealing-head hinged water seal to form water pressure so that the reservoir water rotates and clings to a down-the-hole arc door panel, so that the generation of slit jet flow is reduced, the vibration in the operation process of the gate is reduced, and the running safety of the gate is improved; a row of reinforcing plates with holes are arranged on the upstream side of the intersection of the vertical inclined plate and the transverse inclined plate at equal intervals, so that the overall stability of the door lintel base is enhanced, the fluidity of second-stage concrete is enhanced, and the second-stage concrete is poured tightly.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
figure 2 is a front view of the lintel overhead seal assembly of the present invention;
figure 3 is an isometric view of the door lintel overhead seal assembly of the present invention;
FIG. 4 is a schematic structural view of the downstream surface of the mounting seat of the present invention;
fig. 5 is a schematic structural view of the upstream surface of the mounting seat of the present invention;
fig. 6 is a schematic structural view of the hinge bracket of the present invention;
FIG. 7 is a schematic view of the position of the gland-type P water seal assembly on the radial gate;
fig. 8 is a front view of the gland-type P water seal assembly of the present invention;
fig. 9 is an isometric view of the gland-type P water seal assembly of the present invention.
The labels in the figures are: 1-down hole, 2-arc door, 3-gate wall, 4-valve control drain pipe, 5-door lintel, 6-door lintel top water seal component, 7-gland type P water seal component, 8-mounting seat, 9-hinge frame, 10-P water seal base plate, 11-omega water seal mounting plate, 12-round head soft seal double-clamp plate, 13-P water seal base plate, 14-omega water seal, 15-omega water seal press plate, 16-bolt component, 17-omega water seal support plate, 18-pressurizing pipe, 19-double-lug seat, 20-pin shaft, 21-single-lug plate, 22-round head hard seal double-clamp plate, 23-round head hard seal, 24-L clamp plate, 25-round head soft seal, 26-seal rubber mat, 27-groove, 28-press plate, 29-screw, screw rod, 30-vertical inclined plate, 31-horizontal inclined plate, 32-pressurizing hole, 33-reinforcing plate, 34-perforated reinforcing plate, 35-long circular hole, 36-top plate, 37-hinge lug, 38-L bracket, 39-double plate groove, 40-P water seal bracket, 41-P water seal supporting plate, 42-P water seal pressing plate, 43-P water seal and 44-omega water seal seat plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model relates to a top water seal structure of an ultra-high water head down-the-hole arc door, which is shown in figure 1 and comprises an arc door 2 arranged at the hole opening of a down-the-hole 1; the method is characterized in that: valve control drain pipes 4 are arranged in the gate walls 3 on the two sides of the down-hole 1, one end of each valve control drain pipe 4 is positioned at the end part of a door lintel top water seal assembly 6 at the bottom of the downstream side of a door lintel 5 on the top of the down-hole 1, and the other end of each valve control drain pipe 4 is positioned on the gate wall 3 on the downstream side of the arc door 2; the top of the upstream side of the arc door 2 panel is provided with a gland type P water seal assembly 7. As shown in fig. 2 and 3, the door lintel overhead water seal assembly 6 comprises two parts, namely a mounting seat 8 and a hinge bracket 9; the downstream surface of the mounting seat 8 is sequentially provided with a P water seal base plate 10, an omega water seal mounting plate 11 and a round head soft seal double clamping plate 12 from top to bottom; the top surface of the P water seal base plate 10 is provided with a P water seal seat plate 13; the section of the omega water seal mounting plate 11 is L-shaped; the downstream surface of the omega water seal mounting plate 11 is provided with an omega water seal 14; the omega water seal 14 is connected with the downstream surface of the omega water seal mounting plate 11 through a pair of omega water seal pressing plates 15 and a group of bolt assemblies 16; a pair of omega water seal supporting plates 17 are arranged between the omega water seal 14 and the downstream surface of the omega water seal mounting plate 11; a cavity formed between the pair of omega water seal supporting plates 17 is communicated with an upstream water body through a pressurizing pipe 18; the bottom surface of the omega water seal mounting plate 11 is provided with a group of double-lug seats 19, and the double-lug seats 19 are hinged with a single-lug plate 21 on the hinge frame 9 through a pin shaft 20. The cross section of the hinge frame 9 is in a reverse J shape; the downstream surface of the hinge frame 9 is provided with a round head hard sealing double clamping plate 22; the round-head hard seal double clamping plates 22 are fixedly connected with the round-head hard seal 23 through a group of bolt assemblies 16; the bottom surface of the hinge frame 9 is fixedly connected with a round head soft seal 25 through an L-shaped clamping plate 24 and a group of bolt assemblies 16 which are vertically arranged; the other end of the round-head soft seal 25 is fixedly connected with the round-head soft seal double-clamping plate 12 on the mounting seat 8 through a group of bolt assemblies 16. As shown in fig. 3, sealing rubber gaskets 26 are arranged at two ends of the round head hard seal 23; the sealing rubber gasket 26 is provided with a groove 27, a pressure plate 28 is arranged in the groove 27, and the pressure plate 28 is fixedly connected with the end face of the round head hard seal 23 through a screw 29. As shown in fig. 4 and 5, the mounting base 8 is an oblique inverted T-shaped structure formed by welding a vertical inclined plate 30 and a horizontal inclined plate 31; the downstream surface of the vertical sloping plate 30 is sequentially provided with a P water seal base plate 10, an omega water seal mounting plate 11 and a round-head soft seal double-clamping plate 12 from top to bottom; the top surface of the P water seal base plate 10 is provided with a P water seal seat plate 13; the section of the omega water seal mounting plate 11 is L-shaped; the bottom surface of the omega water seal mounting plate 11 is provided with a group of double lug seats 19; the omega water seal mounting plate 11 is provided with a pressurizing hole 32, the pressurizing hole 32 is connected with one end of a pressurizing pipe 18, and the other end of the pressurizing pipe 18 is connected with the pressurizing hole 32 which is positioned at the upstream water body on the transverse inclined plate 31; reinforcing plates 33 are arranged on two sides of the joint of the vertical inclined plate 30 and the transverse inclined plate 31 and between the P water seal base plate 10 and the omega water seal mounting plate 11, wherein the reinforcing plates on two sides of the joint of the vertical inclined plate 30 and the transverse inclined plate 31 are reinforcing plates 34 with holes; an oblong hole 35 is provided on the downstream side of the transversely inclined plate 31 between the holed reinforcing plates 34. As shown in fig. 6, the hinge frame 9 includes a top plate 36; a group of hinge lugs 37 are welded on the top surface of the top plate 36, and an L-shaped bracket 38 is welded on the bottom surface of the top plate 36; the downstream surface of the L bracket 38 is provided with a double-plate groove 39; reinforcing plates 33 are provided between both sides of the double plate groove 39 and the L bracket 38. As shown in fig. 7, the top edge of the upstream surface of the arc door 2 panel is provided with a gland type P water seal assembly 7; as shown in fig. 8 and 9, the gland type P water seal assembly 7 comprises a P water seal bracket 40 welded on the top edge of the upstream surface of the arc door 2 panel, and the cross section of the P water seal bracket 40 is in an inverted L shape; the P water seal bracket 40 is provided with a group of reinforcing plates 33; the bottom surface of the P water seal bracket 40 is fixedly connected with a P water seal 43 through a P water seal supporting plate 41, a P water seal pressing plate 42 and a bolt assembly 16; an omega water seal seat board 44 and a soft seal water stop seat board are arranged on the arc door 2 panel below the gland type P water seal component 7. The omega water seal seat plate 44 on the arc door 2 corresponds to the position of the omega water seal 14 on the lintel top water seal assembly 6 when the arc door 2 is closed; the soft sealing water stop seat plate on the arc door 2 corresponds to the round head soft seal 25 on the door lintel top water seal assembly 6 when the arc door 2 is closed; the P water seal seat board 13 on the door lintel top water seal assembly 6 corresponds to the P water seal position on the arc door 2 when the arc door 2 is closed.
Examples
In the extra-high water head down-the-hole radial gate top water seal structure of the embodiment, the upper part of the downstream side of the mounting seat 8 is surrounded by the vertical inclined plate 30, the P water seal base plate 10 and the omega water seal mounting plate 11 to form a closed groove-shaped structure, the top of the groove-shaped structure is provided with the P water seal base plate 13 corresponding to the P water seal 43, the downstream side of the groove-shaped structure is provided with the pressurizing omega water seal device, the lower part of the groove-shaped structure is provided with the hinge frame 9, the hinge frame 9 is provided with the round head hard seal 23 and the round head soft seal 25, and the gap between the end of the round head hard seal 23 and the outer edge of. And when the door is installed or not pressed, the compression amount of the soft sealing water stop seat plate between the round head soft seal 25 and the outer edge of the arc door panel is 1-5 mm. The end heads at two sides of the groove-shaped structure are provided with a valve control drain pipe 4 communicated to the outer edge of the downstream gate wall 3, and the tail end of the valve control drain pipe 4 is provided with a valve for controlling drainage; wherein the cavity at the bottom of the omega water seal 14 is communicated with the upstream water body through a pressurizing pipe 18 for pressurizing.
In the concrete implementation, a gland type P water seal assembly 7 is arranged at the top of the outer edge of the arc door 2 panel of the down-the-hole 1. The bottom of the downstream side of the door lintel 5 is provided with a mounting seat 8, and the mounting seat 8 is provided with a P water seal seat plate 13; the P water seal seat plate 13 corresponds to the P water seal 43 when the arc door 2 is closed in a water retaining state; the mounting seat 8 comprises an inclined inverted T-shaped structure formed by welding a vertical inclined plate 30 and a transverse inclined plate 31; a row of reinforcing plates 34 with holes are arranged on two sides of the intersection of the vertical inclined plate 30 and the transverse inclined plate 31 at equal intervals; the upper part of the vertical sloping plate 30 is provided with a P water seal base plate 10, the middle part is provided with an omega water seal mounting plate 11, and the lower part is provided with a round-head soft seal double clamping plate 12; a row of reinforcing plates 34 with holes are arranged at the lower part of the round-head soft sealing double clamping plate 12; the reinforcing plate with holes 34 is welded and fixed with the vertical inclined plate 30 and the transverse inclined plate 31; a row of oblong holes 35 are arranged at equal intervals on the downstream side of the transverse inclined plate 31; the top of the P water seal base plate 10 is provided with a P water seal seat plate 13; the vertical sloping plate 30, the P water seal base plate 10 and the omega water seal supporting plate 11 are enclosed into a groove-shaped structure which is mostly closed; the end heads at the two sides of the groove-shaped structure are provided with valve-controlled drain pipes 4 communicated with the downstream outer edge of the gate wall 3; the tail end of the valve control drain pipe 4 is provided with a valve for controlling drainage; a reinforcing plate 33 is arranged inside the groove-shaped structure; the bottom of the reinforcing plate 33 is provided with a communicating hole for draining water, the section of the omega water seal mounting plate 11 is L-shaped, and the downstream surface of the omega water seal mounting plate 11 is provided with an omega water seal 14; an omega water seal supporting plate 17 is arranged between the omega water seal mounting plate 11 and the omega water seal 14. An omega water seal seat plate 43 corresponding to the omega water seal 14 is arranged on the arc door 2 panel; the bottom surface of the omega water seal mounting plate 11 is provided with a double-lug seat 19; the double-lug seat 19 is hinged with the hinge frame 9 through a pin shaft 20; the hinge frame 9 is formed by welding a hinge lug 37, a top plate 36, an L bracket 38, a double-plate groove 39 and a reinforcing plate 33. The round head soft seal 25 is fixedly connected with the L bracket 38 through the L clamping plate 24 and the bolt assembly 16. The other end of the round-head soft seal 25 is clamped in a groove of the round-head soft seal double clamping plate 12 on the mounting seat 8 and is fixed through a bolt component 16; the round head hard seal 23 is clamped in the double plate groove 39 and fixed through the bolt assembly 16. The cavity at the bottom of the omega seal 14 is led to the upstream of the reservoir through a pressurizing pipe 18 to pressurize the bottom of the omega seal 14. When the arc door is installed or not pressed, the gap between the round head hard seal 23 and the outer edge of the arc door 2 panel is 1-3 mm; the compression amount of the round-head soft seal 25 and the soft seal water stop seat plate at the outer edge of the arc door 2 panel is 1-5 mm. Sealed cushion 26 is equipped with at the hard sealed 23 both ends of button head, and sealed cushion 26 outside is equipped with recess 27, is equipped with clamp plate 28 in the recess 27, and clamp plate 28 passes through screw 29 and the hard sealed 23 both ends fixed connection of button head. The gap between the sealing rubber pad 26 and the outer edge of the arc door 2 panel is 1-3 mm, and the compression amount of the arc door side rails on the two sides is 1-5 mm.
The utility model improves the water stopping effect by pressurizing the omega water seal; the combined structure of the round-head hard seal and the round-head soft seal is adopted, the gap between the hard seal and the cambered door panel is 1-3 mm when the combined structure is installed or not pressed, the combined structure is in contact with the cambered door panel when the combined structure is pressed, the combined structure has a large compression modulus, has small deformation under the action of an ultrahigh water head, and is also used as soft seal support limiting, so that the compression amount of the soft seal is prevented from being too large, and the service life of the soft seal is effectively prolonged; the soft sealing water stop seat plate compression amount of the round head soft sealing and the cambered door panel is 1-5 mm when the water stop seat plate is installed or not pressed, and the water stop reliability is improved. In addition, the end of the groove-shaped structure of the mounting seat is provided with a valve control drain pipe communicated to the outer edge of the downstream gate wall, the tail end of the valve control drain pipe is provided with a valve for controlling drainage, when the water pressure of the gland type P-shaped water seal device is overlarge, the valve control drain pipe is used for draining the leaked water to reduce the compression force of the water seal, so that the compression amount of the water seal is reduced, the P-shaped water seal is prevented from creeping under the action of an ultrahigh water head, the service life of the P-shaped water seal is.
Claims (8)
1. A top water seal structure of an arc door of an ultra-high water head down-the-hole comprises an arc door (2) arranged at the opening of a down-the-hole (1); the method is characterized in that: valve control drain pipes (4) are arranged in the gate walls (3) on the two sides of the down-hole (1), one end of each valve control drain pipe (4) is positioned at the end part of a door lintel top water seal assembly (6) at the bottom of the downstream side of a door lintel (5) on the top of the down-hole (1), and the other end of each valve control drain pipe (4) is positioned on the gate wall (3) on the downstream side of the arc door (2); the top of the upstream side of the arc door (2) panel is provided with a gland type P water seal component (7).
2. The extra-high head down-the-hole radial gate top water seal structure of claim 1, characterized in that: the door lintel top water seal assembly (6) comprises a mounting seat (8) and a hinged frame (9); the downstream surface of the mounting seat (8) is sequentially provided with a P water seal base plate (10), an omega water seal mounting plate (11) and a round head soft seal double clamping plate (12) from top to bottom; the top surface of the P water seal base plate (10) is provided with a P water seal seat plate (13); the section of the omega water seal mounting plate (11) is L-shaped; an omega water seal (14) is arranged on the downstream surface of the omega water seal mounting plate (11); the omega water seal (14) is connected with the downstream surface of the omega water seal mounting plate (11) through a pair of omega water seal pressing plates (15) and a group of bolt assemblies (16); a pair of omega water seal supporting plates (17) are arranged between the omega water seal (14) and the downstream surface of the omega water seal mounting plate (11); a cavity formed between the pair of omega water seal supporting plates (17) is communicated with an upstream water body through a pressurizing pipe (18); the bottom surface of the omega water seal mounting plate (11) is provided with a group of double-lug seats (19), and the double-lug seats (19) are hinged with a single-lug plate (21) on the hinge frame (9) through a pin shaft (20).
3. The extra-high head down-the-hole radial gate top water seal structure of claim 2, characterized in that: the cross section of the hinge frame (9) is in a reverse J shape; the downstream surface of the hinge frame (9) is provided with a round head hard sealing double clamping plate (22); the round-head hard seal double clamping plates (22) are fixedly connected with the round-head hard seal (23) through a group of bolt assemblies (16); the bottom surface of the hinge frame (9) is fixedly connected with a round head soft seal (25) through an L-shaped clamping plate (24) and a group of bolt assemblies (16) which are vertically arranged; the other end of the round head soft seal (25) is fixedly connected with a round head soft seal double clamping plate (12) on the mounting seat (8) through a group of bolt components (16).
4. The extra-high head down-the-hole radial gate top water seal structure of claim 3, characterized in that: sealing rubber pads (26) are arranged at two ends of the round head hard seal (23); a groove (27) is formed in the sealing rubber gasket (26), a pressing plate (28) is arranged in the groove (27), and the pressing plate (28) is connected with the end face of the round-head hard seal (23) through a screw (29).
5. The extra-high head down-the-hole radial gate top water seal structure of claim 2, characterized in that: the mounting seat (8) is of an inclined inverted T-shaped structure formed by welding a vertical inclined plate (30) and a transverse inclined plate (31); the downstream surface of the vertical sloping plate (30) is sequentially provided with a P water seal base plate (10), an omega water seal mounting plate (11) and a round-head soft seal double clamping plate (12) from top to bottom; the top surface of the P water seal base plate (10) is provided with a P water seal seat plate (13); the section of the omega water seal mounting plate (11) is L-shaped; the bottom surface of the omega water seal mounting plate (11) is provided with a group of double-lug seats (19); the omega water seal mounting plate (11) is provided with a pressurizing hole (32), the pressurizing hole (32) is connected with one end of a pressurizing pipe (18), and the other end of the pressurizing pipe (18) is connected with the pressurizing hole (32) which is positioned at the upstream water body on the transverse inclined plate (31); reinforcing plates (33) are arranged on two sides of the joint of the vertical inclined plate (30) and the transverse inclined plate (31) and between the P water seal base plate (10) and the omega water seal mounting plate (11), wherein the reinforcing plates on two sides of the joint of the vertical inclined plate (30) and the transverse inclined plate (31) are reinforcing plates (34) with holes; an oblong hole (35) is provided on the downstream side of the transversely inclined plate (31) between the reinforcing plates (34) with holes.
6. The extra-high head down-the-hole radial gate top water seal structure of claim 3, characterized in that: the hinge frame (9) comprises a top plate (36); a group of hinge lugs (37) are welded on the top surface of the top plate (36), and an L-shaped support (38) is welded on the bottom surface of the top plate (36); a double-plate groove (39) is formed in the downstream surface of the L-shaped bracket (38); reinforcing plates (33) are arranged between the two sides of the double-plate groove (39) and the L-shaped bracket (38).
7. The extra-high head down-the-hole radial gate top water seal structure of claim 1, characterized in that: the top edge of the upstream surface of the arc door (2) panel is provided with a gland type P water seal assembly (7); the gland type P water seal assembly (7) comprises a P water seal bracket (40) welded on the top edge of the upstream surface of the arc door (2) panel, and the cross section of the P water seal bracket (40) is in a reverse L shape; the P water seal bracket (40) is provided with a group of reinforcing plates (33); the bottom surface of the P water seal bracket (40) is fixedly connected with a P water seal (43) through a P water seal supporting plate (41), a P water seal pressing plate (42) and a bolt assembly (16); an omega water seal seat board (44) and a soft seal water stop seat board are arranged on the panel of the arc door (2) below the gland type P water seal component (7).
8. The extra-high head down-the-hole radial gate top water seal structure of claim 7, characterized in that: the omega water seal seat plate (44) on the arc door (2) corresponds to the omega water seal (14) on the door lintel top water seal assembly (6) when the arc door (2) is closed; the soft sealing water stop seat plate on the arc door (2) corresponds to the round head soft seal (25) on the door lintel top water seal component (6) when the arc door (2) is closed; the P water seal seat board (13) on the door lintel top water seal assembly (6) corresponds to the P water seal position on the arc door (2) when the arc door (2) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104872.7U CN210507338U (en) | 2019-07-15 | 2019-07-15 | Top water seal structure of ultra-high water head down-the-hole arc door |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374064A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of extra-high head down-the-hole arc door top seal structure |
| CN112942241A (en) * | 2021-02-03 | 2021-06-11 | 中国电建集团成都勘测设计研究院有限公司 | Deadweight water retaining unit and deadweight water retaining system for potential breach of bank |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374064A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of extra-high head down-the-hole arc door top seal structure |
| CN110374064B (en) * | 2019-07-15 | 2024-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Ultra-high water head down-the-hole arc door top water seal structure |
| CN112942241A (en) * | 2021-02-03 | 2021-06-11 | 中国电建集团成都勘测设计研究院有限公司 | Deadweight water retaining unit and deadweight water retaining system for potential breach of bank |
| CN112942241B (en) * | 2021-02-03 | 2022-08-30 | 中国电建集团成都勘测设计研究院有限公司 | Deadweight water retaining unit and deadweight water retaining system for potential breach of bank |
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