CN214194355U - Device for overhauling diversion tunnel plugging door slot in hydropower and hydraulic engineering construction - Google Patents

Abstract

The utility model provides a device for overhauing water and electricity hydraulic engineering construction diversion tunnel shutoff gate slot, it is including overflowing the frame, the breakwater, stagnant water mechanism, positive support and side direction support, through setting up the breakwater overflowing frame both sides, set up stagnant water mechanism in the breakwater both sides, a plurality of positive supports are connected with stagnant water mechanism and breakwater respectively with the side direction support, through being located gate machine on gate slot upper portion with overflow the frame and be connected the release and overflow the frame, positive support and side direction support and gate slot roll cooperation, water seal pressurization inflation back and gate slot forward guide and reverse guide are contradicted sealedly, rivers flow through from overflowing the frame. The utility model overcomes former diversion tunnel shutoff adopts cofferdam or end cap to create construction conditions, and the construction volume is big, and problem with high costs has simple structure, realizes the stagnant water of door slot inner chamber, creates door slot maintenance condition and environment, safe and reliable, and is with low costs, efficient, characteristics that easy operation is convenient.

Description

Device for overhauling diversion tunnel plugging door slot in hydropower and hydraulic engineering construction

Technical Field

The utility model belongs to the technical field of hydraulic engineering water conservancy diversion tunnel shutoff technique, a device for overhauing water and electricity hydraulic engineering construction water conservancy diversion tunnel shutoff gate slot is related to.

Background

In the construction of hydropower, because a dam needs to be intercepted, a diversion channel in the construction period needs to be arranged, so that the diversion channel is generally constructed in the early stage to meet the flood discharge channel in ecological drainage or flood seasons in the construction period, a diversion tunnel needs to be plugged after a power station is basically constructed, the construction period is short and the construction period is generally required to be carried out in dry land environment when the construction amount of plugging concrete is large, and if the river runoff is large or the upstream does not have the construction channel, a cofferdam is rarely adopted to create dry land conditions, so that plugging doors are arranged in the front of and behind the diversion tunnel in a great number of cases, the plugging doors are disposable, and the gate slots of the doors are operated in the whole diversion period and generally experience the flood seasons for a plurality of times. For guaranteeing that the shutoff gate is once only gone on smoothly down the floodgate, the normal conditions will be overhauld the gate slot buried spare of having gone through several years water conservancy diversion, and main maintenance department includes: the key parts of the upstream and downstream gate slots, main bearing surface, water stop surface and the like are used for ensuring the gate to be opened completely. The diversion system plays an important role in the construction of power stations. The maintenance of diversion tunnel gate slots often becomes a key process for restricting the plugging of diversion tunnels.

Disclosure of Invention

The utility model aims to solve the technical problem that a device for overhauing water and electricity hydraulic engineering construction water conservancy diversion tunnel shutoff door groove is provided, moreover, the steam generator is simple in structure, adopt and overflowing frame both sides and set up the breakwater, set up stagnant water mechanism in the breakwater both sides, a plurality of positive supports and side direction support and be connected with stagnant water mechanism and breakwater respectively, the door machine that lies in door groove upper portion with overflow the frame and be connected the release and overflow the frame, positive support and side direction support and door groove roll fit, it is sealed with the conflict of door groove forward guide rail and reverse guide rail after the water seal pressurization inflation, rivers flow from overflowing the frame, realize door groove inner chamber stagnant water, create door groove maintenance condition and environment, safety and reliability, low cost, high efficiency, easy operation is convenient.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a device for overhauling a diversion tunnel plugging door slot in hydropower and hydraulic engineering construction comprises a flow frame, a water baffle, a water stopping mechanism, a positive support and a lateral support; the water baffle is located the both sides of frame and rather than perpendicular connection, and stagnant water mechanism is located the both sides of water baffle and rather than being connected, just supports to be connected with stagnant water mechanism, and the side direction is supported and is connected with the water baffle, and stagnant water mechanism, just support and side direction support all lie in the same one side of water baffle and keep away from the frame that overflows, and the forward gyro wheel that just supports and the side direction gyro wheel that the side direction supported lie in respectively and overflow the both sides of frame and mutually perpendicular.

The frame that overflows is hollow rectangular frame, and the rectangular frame upside sets up the otic placode.

The water baffle is a rectangular flat plate, and each side surface of the water baffle extends out of the flow frame.

The water stopping mechanism comprises a plurality of rib plates connected with the support plate, limiting pipes connected with the rib plates and water seals matched with the limiting pipes.

The support plate and the rib plate are connected with the water baffle, and the limiting pipe protrudes out of the water baffle.

The limiting pipe is a hollow pipe body, a notch is formed in the axial direction, the side of the notch protrudes out of the water baffle, the water seal is a circular rubber pipe with one closed end, and the outer wall of the circular rubber pipe is located outside the notch of the limiting pipe.

The positive support comprises a positive roller matched with a positive seat pin shaft, and the positive seat is connected with a support plate of the water stopping mechanism.

The lateral support comprises a lateral roller matched with a pin shaft of the lateral seat and a support arm connected with the lateral seat, and the support arm is connected with the water baffle.

And a temporary reinforcing support is arranged between the positive support and the lateral support on the water baffle.

A device for overhauling a diversion tunnel plugging door slot in hydropower and hydraulic engineering construction comprises a flow frame, a water baffle, a water stopping mechanism, a positive support and a lateral support; the water baffle is located the both sides of frame and rather than perpendicular connection, and stagnant water mechanism is located the both sides of water baffle and rather than being connected, just supports to be connected with stagnant water mechanism, and the side direction is supported and is connected with the water baffle, and stagnant water mechanism, just support and side direction support all lie in the same one side of water baffle and keep away from the frame that overflows, and the forward gyro wheel that just supports and the side direction gyro wheel that the side direction supported lie in respectively and overflow the both sides of frame and mutually perpendicular. Simple structure, through setting up the breakwater in frame both sides overflowing, set up stagnant water mechanism in the breakwater both sides, a plurality ofly just support and the side direction supports and is connected with stagnant water mechanism and breakwater respectively, through being located the door machine on door groove upper portion with overflow the frame and be connected the release and overflow the frame, just support and side direction support and door groove roll cooperation, it is sealed with door groove forward guide rail and reverse guide rail conflict after the water seal pressurization inflation, rivers flow from overflowing the frame, realize the door groove inner chamber stagnant water, create door groove maintenance condition and environment, safety and reliability, low cost, high efficiency, easy operation is convenient.

In a preferred scheme, the flow passing frame is a hollow rectangular frame, and the upper side of the rectangular frame is provided with an ear plate. Simple structure, during the use, hollow structure's the frame that overflows is used for the through of rivers, and the otic placode is used for being connected with the gate machine on gate groove upper portion, overflows the frame through the gate machine release and enters into the gate groove.

In a preferred scheme, the water baffle is a rectangular flat plate, and each side surface of the water baffle extends out of the flow frame. The structure is simple, and when the water baffle is manufactured, after the water baffle is connected with the flow frame, each side face of the water baffle extends out of each side face of one side of the flow frame.

In a preferred scheme, the water stopping mechanism comprises a plurality of rib plates connected with the support plate, a limiting pipe connected with the rib plates, and a water seal matched with the limiting pipe. Simple structure, during the use, be used for overflowing after the frame sinks the gate slot bottom completely with spacing pipe complex water seal, contradict with gate slot forward guide rail and reverse guide rail and seal, avoid rivers to enter into the cavity in gate slot, create advantage and maintenance environment for the maintenance.

In the preferred scheme, the support plate and the rib plate are connected with the water baffle, and the limiting pipe protrudes out of the water baffle. Simple structure, during the use, spacing pipe is protruding outside the side of breakwater, is favorable to the water seal in the spacing pipe to contact with door pocket forward guide rail and reverse guide rail after the punching press, prevents rivers and flows through.

In the preferred scheme, the limiting pipe is a hollow pipe body, a notch is arranged along the axial direction, the side of the notch protrudes out of the water baffle, the water seal is a circular rubber pipe with one closed end, and the outer wall of the circular rubber pipe is positioned outside the notch of the limiting pipe. The structure is simple, when the water seal device is used, high-pressure water is injected into the water seal, the water seal is enabled to be radially protruded towards the outer diameter of the notch of the limiting pipe, and the water seal protruded out of the notch is in butt seal with the forward guide rail and the reverse guide rail of the gate groove without falling out of the limiting pipe.

In a preferred scheme, the positive support comprises a positive roller matched with a pin shaft of the positive seat, and the positive seat is connected with a support plate of the water stopping mechanism. Simple structure, during the use, at the in-process that overflows the frame and go up and down along the gate slot, the contact of forward roller and gate slot inner wall rolls.

In a preferred embodiment, the lateral support comprises a lateral roller cooperating with a lateral seat pin shaft, and an arm connected to the lateral seat, the arm being connected to the splash plate. Simple structure, during the use, at the in-process that overflows the frame along the gate slot oscilaltion, side direction gyro wheel and gate slot guided way cooperation roll along the guided way, and the restriction overflows the perpendicular decline of frame, avoids rivers to cause and overflows the frame slope when descending.

Preferably, the guide rail is protruded on the inner wall of the door slot, and a limiting groove arranged on the lateral roller is matched with the guide rail to limit the radial movement of the lateral roller.

In a preferred scheme, a temporary reinforcing support is arranged on the water baffle between the positive support and the lateral support. Simple structure, during the use, at the complete sealed back in door slot, rivers no longer enter into the door slot intracavity, take out the water of drying the door slot intracavity, and at this moment, the outside water pressure of cavity adopts the interim reinforcement to support one end and be connected with the breakwater to the pressure increase that the breakwater formed, and one end is contradicted with door inslot wall, improves the compressive strength of breakwater.

The utility model provides a device for overhauing water and electricity hydraulic engineering construction diversion tunnel shutoff gate slot, it is including overflowing the frame, the breakwater, stagnant water mechanism, positive support and side direction support, through setting up the breakwater overflowing frame both sides, set up stagnant water mechanism in the breakwater both sides, a plurality of positive supports are connected with stagnant water mechanism and breakwater respectively with the side direction support, through being located gate machine on gate slot upper portion with overflow the frame and be connected the release and overflow the frame, positive support and side direction support and gate slot roll cooperation, water seal pressurization inflation back and gate slot forward guide and reverse guide are contradicted sealedly, rivers flow through from overflowing the frame. The utility model overcomes former diversion tunnel shutoff adopts cofferdam or end cap to create construction conditions, and the construction volume is big, and problem with high costs has simple structure, realizes the stagnant water of door slot inner chamber, creates door slot maintenance condition and environment, safe and reliable, and is with low costs, efficient, characteristics that easy operation is convenient.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a schematic top view of fig. 1.

Fig. 4 is a schematic bottom view of fig. 1.

Fig. 5 is an enlarged schematic view of a portion a of fig. 3.

Fig. 6 is a schematic structural view of the connection between the water baffle and the water stopping mechanism of the present invention.

Fig. 7 is an enlarged schematic view of fig. 3 at B.

Fig. 8 is a schematic structural view of the door slot of the present invention.

Fig. 9 is a schematic structural view of the present invention cooperating with the door slot.

In the figure: the water stopping device comprises a flow frame 1, an ear plate 11, a water baffle 2, a temporary reinforcing support 21, a water stopping mechanism 3, a support plate 31, a rib plate 32, a limiting pipe 33, a water seal 34, a positive support 4, a positive seat 41, a positive roller 42, a lateral support 5, a lateral seat 51, a lateral roller 52 and a support arm 53.

Detailed Description

As shown in fig. 1 to 9, a device for overhauling a diversion tunnel plugging door slot in hydropower hydraulic engineering construction comprises a flow frame 1, a water baffle 2, a water stopping mechanism 3, a positive support 4 and a lateral support 5; the water baffle 2 is positioned at two sides of the flow frame 1 and is vertically connected with the flow frame, the water stopping mechanism 3 is positioned at two sides of the water baffle 2 and is connected with the water stopping mechanism, the positive support 4 is connected with the water stopping mechanism 3, the lateral support 5 is connected with the water baffle 2, the water stopping mechanism 3, the positive support 4 and the lateral support 5 are positioned at the same side of the water baffle 2 and are far away from the flow frame 1, and the forward idler wheel 42 of the positive support 4 and the lateral idler wheel 52 of the lateral support 5 are respectively positioned at two sides of the flow frame 1 and are perpendicular to each other. Simple structure, through set up breakwater 2 in frame 1 both sides overflowing, set up stagnant water mechanism 3 in 2 both sides of breakwater, a plurality of positive supports 4 and side direction support 5 are connected with stagnant water mechanism 3 and breakwater 2 respectively, through being located the door machine on door slot upper portion and overflowing frame 1 and be connected the release and overflow frame 1, positive support 4 and side direction support 5 and door slot roll-over cooperation, it is sealed with door slot forward guide rail and reverse guide rail conflict behind the 34 pressurization inflation of water seal, rivers flow from overflowing frame 1, realize door slot inner chamber stagnant water, create door slot maintenance condition and environment, safety and reliability, low cost, high efficiency, easy operation is convenient.

In a preferred scheme, the flow frame 1 is a hollow rectangular frame, and the upper side of the rectangular frame is provided with an ear plate 11. Simple structure, during the use, hollow structure overflows frame 1 and is used for the through of rivers, otic placode 11 is used for being connected with the gate machine on gate slot upper portion, overflows frame 1 through the gate machine release and enters into the gate slot.

In a preferred scheme, the water baffle 2 is a rectangular flat plate, and each side surface of the water baffle extends out of the flow frame 1. The structure is simple, and during manufacturing, after the water baffle 2 is connected with the overflowing frame 1, each side surface of the water baffle 2 extends out of each side surface of one side of the overflowing frame 1.

In a preferred scheme, the water stopping mechanism 3 comprises a plurality of rib plates 32 connected with the support plate 31, a limiting pipe 33 connected with the rib plates 32, and a water seal 34 matched with the limiting pipe 33. Simple structure, during the use, with spacing pipe 33 complex water seal 34 be used for overflowing frame 1 and sink into door groove bottom completely after, contradict with door groove forward guide rail and reverse guide rail and seal, avoid rivers to enter into the cavity in door groove, create advantage and maintenance environment for the maintenance.

In the preferred scheme, the support plate 31 and the rib plate 32 are connected with the splash guard 2, and the limiting pipe 33 protrudes out of the splash guard 2. The structure is simple, when in use, the limit pipe 33 protrudes out of the side surface of the water baffle 2, which is beneficial to the water seal 34 in the limit pipe 33 to contact with the forward guide rail and the reverse guide rail of the gate slot after being punched, and the water flow is prevented.

In a preferred scheme, the limiting pipe 33 is a hollow pipe body, a notch is axially formed in the limiting pipe, the notch protrudes out of the water baffle 2, the water seal 34 is a circular rubber pipe with one closed end, and the outer wall of the circular rubber pipe is located outside the notch of the limiting pipe 33. The structure is simple, when the water seal device is used, high-pressure water is injected into the water seal 34, the water seal 34 is enabled to be protruded radially towards the outer diameter of the notch of the limiting pipe 33, and the water seal 34 protruded out of the notch is in butt seal with the forward guide rail and the reverse guide rail of the gate groove without escaping from the limiting pipe 33.

In a preferred scheme, the positive support 4 comprises a positive roller 42 in pin fit with a positive seat 41, and the positive seat 41 is connected with the support plate 31 of the water stopping mechanism 3. Simple structure, during the use, at the in-process that overflows frame 1 and go up and down along the gate slot, positive direction gyro wheel 42 rolls with the contact of gate slot inner wall.

In a preferred embodiment, the lateral support 5 comprises a lateral roller 52 which is pin-fitted to the lateral seat 51, and an arm 53 which is connected to the lateral seat 51, the arm 53 being connected to the splash plate 2. Simple structure, during the use, at the in-process that overflows frame 1 along the gate slot oscilaltion, side direction gyro wheel 52 and gate slot guided way cooperation roll along the guided way, and the restriction overflows frame 1 and descends perpendicularly, avoids rivers to cause and overflows the slope when frame 1 descends.

Preferably, the guide rail protrudes from the inner wall of the door slot, and the limiting slot provided on the lateral roller 52 cooperates with the guide rail to limit the radial movement of the lateral roller 52.

In a preferred scheme, a temporary reinforcing support 21 is arranged on the water baffle 2 between the positive support 4 and the lateral support 5. Simple structure, during the use, at the complete sealed back in door slot, rivers no longer enter into the door slot intracavity, take out the water of drying the door slot intracavity, and at this moment, the outside water pressure of cavity adopts and consolidates temporarily to support 21 one end and be connected with breakwater 2 to the pressure increase that breakwater 2 formed, and one end is contradicted with door inslot wall, improves breakwater 2's compressive strength.

As above a device for overhauing water and electricity hydraulic engineering construction diversion tunnel shutoff gate slot, during installation use, 1 both sides setting breakwater 2 overflowing, 2 both sides setting stagnant water mechanism 3 at breakwater, a plurality of positive supports 4 and side direction support 5 are connected with stagnant water mechanism 3 and breakwater 2 respectively, the door machine that lies in gate slot upper portion with overflow frame 1 and be connected the release and overflow frame 1, positive support 4 and side direction support 5 and gate slot roll fit, water seal 34 pressurization inflation back and gate slot forward guide and reverse guide rail conflict sealedly, rivers flow from overflowing frame 1, realize gate slot inner chamber stagnant water, create gate slot maintenance condition and environment, safe and reliable, with low costs, high efficiency, easy operation is convenient.

During the use, hollow structure's frame 1 that overflows is used for the through of rivers, and otic placode 11 is used for being connected with the gate machine on gate slot upper portion, and frame 1 enters into the gate slot through the release of gate machine.

During manufacturing, after the water baffle 2 is connected with the flow frame 1, each side face of the water baffle 2 extends out of each side face of one side of the flow frame 1.

When the overflow device is used, the water seal 34 matched with the limiting pipe 33 is used for abutting against and sealing with the forward guide rail and the reverse guide rail of the gate slot after the overflow frame 1 is completely sunk into the bottom of the gate slot, so that water flow is prevented from entering the cavity of the gate slot, and favorable conditions and maintenance environments are created for maintenance.

When the water seal device is used, the limiting pipe 33 protrudes out of the side face of the water baffle 2, so that the water seal 34 in the limiting pipe 33 is in contact with the forward guide rail and the reverse guide rail of the gate groove after being stamped, and water flow is prevented.

When the limiting pipe is used, high-pressure water is injected into the water seal 34, so that the water seal 34 protrudes radially outwards from the notch of the limiting pipe 33, and the water seal 34 protruding out of the notch is in butt seal with the forward guide rail and the reverse guide rail of the gate groove without falling out of the limiting pipe 33.

When the overflow device is used, the forward idler wheel 42 rolls in contact with the inner wall of the door slot in the process that the overflow frame 1 ascends and descends along the door slot.

When the device is used, in the process that the overflow frame 1 ascends and descends along the door slot, the lateral idler wheels 52 are matched with the door slot guide rails and roll along the guide rails to limit the overflow frame 1 to vertically descend, so that the overflow frame 1 is prevented from inclining when descending due to water flow.

During the use, after the gate slot is sealed completely, rivers no longer enter into the gate slot intracavity, take out the water of drying the gate slot intracavity, and at this moment, the outside water pressure of cavity increases the pressure that breakwater 2 formed, adopts and consolidates temporarily and supports 21 one end and be connected with breakwater 2, and one end is contradicted with gate slot inner wall, improves breakwater 2's compressive strength.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (9)

1. The utility model provides a device for overhauing water and electricity hydraulic engineering construction diversion tunnel shutoff gate slot, characterized by: the water-stop device comprises a flow frame (1), a water baffle (2), a water stop mechanism (3), a positive support (4) and a lateral support (5); the water baffle (2) is located the both sides of overflowing frame (1) and is connected rather than perpendicular, stagnant water mechanism (3) are located the both sides of manger plate (2) and are connected rather than, just support (4) and be connected with stagnant water mechanism (3), side direction support (5) are connected with manger plate (2), stagnant water mechanism (3), just support (4) and side direction support (5) all are located the same one side of manger plate (2) and keep away from overflowing frame (1), the side direction gyro wheel (52) of forward gyro wheel (42) and side direction support (5) of just supporting (4) are located the both sides and mutually perpendicular of overflowing frame (1) respectively.

2. The device of claim 1 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the flow frame (1) is a hollow rectangular frame, and the upper side of the rectangular frame is provided with an ear plate (11).

3. The device of claim 1 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the water baffle (2) is a rectangular flat plate, and each side surface of the water baffle extends out of the flow frame (1).

4. The device of claim 1 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the water stopping mechanism (3) comprises a plurality of rib plates (32) connected with the support plate (31), limiting pipes (33) connected with the rib plates (32), and water seals (34) matched with the limiting pipes (33).

5. The device of claim 4 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the support plate (31) and the rib plate (32) are connected with the water baffle (2), and the limiting pipe (33) protrudes out of the water baffle (2).

6. The device of claim 4 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the limiting pipe (33) is a hollow pipe body, a notch is formed in the axial direction, the side of the notch protrudes out of the water baffle (2), the water seal (34) is a round rubber pipe with one closed end, and the outer wall of the round rubber pipe is located outside the notch of the limiting pipe (33).

7. The device of claim 1 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the positive support (4) comprises a positive roller (42) matched with a positive seat (41) through a pin shaft, and the positive seat (41) is connected with a support plate (31) of the water stopping mechanism (3).

8. The device of claim 1 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: the lateral support (5) comprises a lateral roller (52) matched with a lateral seat (51) through a pin shaft, and a support arm (53) connected with the lateral seat (51), wherein the support arm (53) is connected with the water baffle (2).

9. The device of claim 1 for overhauling a diversion tunnel plugging door slot in hydroelectric hydraulic engineering construction, which is characterized in that: and a temporary reinforcing support (21) is arranged between the positive support (4) and the lateral support (5) on the water baffle (2).

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