CN215633142U - Emergency disaster prevention device for underground cavern of large hydropower station - Google Patents
Emergency disaster prevention device for underground cavern of large hydropower station Download PDFInfo
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- CN215633142U CN215633142U CN202121610431.1U CN202121610431U CN215633142U CN 215633142 U CN215633142 U CN 215633142U CN 202121610431 U CN202121610431 U CN 202121610431U CN 215633142 U CN215633142 U CN 215633142U
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Abstract
The utility model discloses an emergency disaster prevention device for an underground cavern of a large hydropower station, which comprises a traffic tunnel at the inlet and outlet of the underground cavern, supporting concrete bodies arranged at two sides of the traffic tunnel, door leaf structures arranged on the supporting concrete bodies at two sides and matched with each other, a locking mechanism arranged on the door leaf structure, a hydraulic hoist arranged at the back of the door leaf structure, an oil pump station for providing power for the hydraulic hoist and the locking mechanism, a first closing mechanism arranged at the gap between the door leaf structure and the ground of the traffic tunnel, a second closing mechanism arranged at the gap between the door leaf structure and the supporting concrete bodies, and a third closing mechanism arranged at the gap between the two door leaf structures. The utility model realizes the controllable opening and closing of the door leaf structure by utilizing the door leaf structure in a double-door structure form to be matched with the hydraulic hoist, and the sealing mechanisms are arranged at the edges of three sides of the door leaf structure to completely seal gaps at each part of the closed traffic hole, thereby realizing the effective and reliable water sealing effect and ensuring the safety of a factory building area.
Description
Technical Field
The utility model relates to the technical field of hydropower station systems, in particular to an emergency disaster prevention device for an underground cavern of a large hydropower station.
Background
In some large hydropower station systems, an underground powerhouse is used, wherein a traffic tunnel is usually provided as a main passage for entering and exiting the powerhouse. Although the structure of present underground powerhouse form is comparatively ripe that uses in large-scale hydropower station, also all can dispose flood control structure facilities such as drainage canal in advancing factory's traffic hole, however, under extreme weather condition, advance factory's traffic hole district and probably take place single-point rainstorm, unexpected situations such as drainage canal jam, excessive flood probably pours backward into factory building region through advancing factory's traffic hole this moment, will bring disastrous influence for the hydropower station, need a ripe reliable emergent disaster prevention facility to large-scale hydropower station underground cavern urgently.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a stable, reliable and safe emergency disaster prevention device for an underground cavern of a large hydropower station.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an emergent disaster prevention device in large-scale hydropower station underground cavern, including the traffic hole of disposition in underground cavern entrance and exit department, an organic whole sets up in the support concrete body of traffic hole both sides, one end articulates respectively on the support concrete body of traffic hole both sides and the door leaf structure of other end mutually supporting, set up in the locking mechanical system of door leaf structure mutually supporting one end, one end articulates in the door leaf structure back and the other end articulates the hydraulic hoist on the door leaf structure back corresponds one side traffic hole lateral wall, the oil pumping station that provides power for hydraulic hoist and locking mechanical system, set up the first closing mechanism of clearance department between door leaf structure and traffic hole ground, set up the second closing mechanism of clearance department between door leaf structure and the support concrete body, and set up the third closing mechanism of clearance department between two door leaf structures.
Specifically, the door leaf structure includes the door leaf base plate that is formed by the coincide of multilayer steel sheet, the fixed drill way back shore that constitutes by vertically and horizontally staggered brace rod that sets up in the door leaf base plate dorsal part, the fixed vertical strengthening rib that sets up in the both ends side of door leaf base plate dorsal part and prop fixed connection with the drill way back shore, two with be close to the vertical strengthening rib fixed connection that supports the concrete body and be vertical distribution ground fixed mounting in the support hinge on the concrete body to and set up the supporting roller who props the bottom in the drill way back shore, wherein, the hinged-seat of settling on hydraulic hoist tip and the drill way back shore is articulated, first closing mechanism, second closing mechanism and third closing mechanism all are connected with the door leaf base plate.
Furthermore, a supporting track matched with the moving track of the supporting roller is embedded on the ground in the traffic hole.
Specifically, locking mechanical system includes that a plurality of vertical distribution ground fix sets up the fixed lock axle on the door leaf structure dorsal part, and the middle part rotates to be connected in the epaxial locking arm of fixed lock, with the gangbar of every locking arm with the same end all articulated, one end articulates with gangbar upper portion and the other end articulates the locking hydro-cylinder on the door leaf structure dorsal part, and a plurality of fixed settings are on the door leaf structure dorsal part and respectively with the locked groove of the other end joint of every locking arm, wherein, locked groove and fixed lock axle are located different door leaf structures to all be located the side that these two door leaf structures are close to each other.
Further, the locking groove is in a wedge shape with a small upper part and a large lower part.
Furthermore, the lower end of the linkage rod is hinged with an inserted rod, the lower part of the back side of the door leaf structure is provided with a guide cylinder matched with the inserted rod, and a jack matched with the inserted rod is arranged at the position, corresponding to the position of the guide cylinder when the door leaf structure is closed, on the ground in the traffic hole.
Specifically, the first sealing mechanism comprises a first sealing base body fixedly arranged at the lower side edge of the front face of the door leaf structure, a first hollow columnar sealing strip integrally connected with the lower portion of the first sealing base body, a first fixing body embedded in the floor of the traffic hole corresponding to the lower side of the door leaf structure, a first supporting piece embedded in the first fixing body, and a first sealing supporting piece embedded in the first fixing body and connected with the first supporting piece into a whole, wherein the upper end surface of the first sealing supporting piece is flush with the upper end surface of the first fixing body, the upper end surface of the first fixing body is flush with the floor of the traffic hole, and the first columnar sealing strip is in contact with the upper end surface of the first sealing supporting piece and completely seals the gap between the door leaf structure and the floor of the traffic hole under the action of water pressure.
Specifically, the second closing mechanism includes a second sealing base fixedly arranged at the side edge of the door leaf structure, which is close to the supporting concrete body, a hollow second cylindrical sealing strip inside and integrally connected with the side surface of the second sealing base, a second fixing body fixedly connected with the side part of the supporting concrete body, which is close to the door leaf structure, and a second sealing support fixedly connected with the side part of the second fixing body, which is close to the door leaf structure, wherein the second cylindrical sealing strip is in surface contact with the second sealing support and completely closes the gap between the door leaf structure and the supporting concrete body under the action of water pressure.
Specifically, the third sealing mechanism includes a third sealing substrate fixedly disposed on a side edge of one door leaf structure far away from the supporting concrete body, a third cylindrical sealing strip integrally connected to a side surface of the third sealing substrate and having a hollow interior, and a third sealing support fixedly disposed on a side edge of the other door leaf structure far away from the supporting concrete body, wherein the third cylindrical sealing strip contacts with the third sealing support in a surface contact manner and completely seals a gap between the two door leaf structures under a hydraulic pressure effect.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the utility model arranges the door leaf structure with a double-door structure based on the supporting concrete body integrated with the traffic hole, realizes controllable opening and closing of the door leaf structure by using the hydraulic hoist, and completely seals gaps at each part of the traffic hole after the door leaf structure is closed by arranging the sealing mechanisms at the edges of three sides of the door leaf structure, thereby realizing effective and reliable water sealing effect, avoiding excessive flood generated by accident conditions such as rainstorm and the like from flowing backwards into a plant area, and ensuring the safety of the plant area. The utility model has the advantages of ingenious design, simple structure, convenient use and easy control, and is suitable for being applied to underground caverns of large hydropower stations.
(2) The utility model ensures the basic flood blocking and impact strength of the door leaf structure through the specific design of the door leaf structure, further improves the water blocking strength and reliability by combining the supporting effect of the hydraulic hoist on the door leaf structure, realizes the flood leakage blocking by matching with a plurality of sealing mechanisms, and completely avoids the flood leakage possibility.
(3) The locking mechanism utilizes the hydraulically controlled locking oil cylinder to drive the linkage rod to enable the locking arm to be clamped with the locking groove, ensures the connection stability when the two door leaf structures are closed, and is beneficial to resisting the impact of flood.
(4) The first, second and third sealing mechanisms of the utility model all adopt the structure of a hollow columnar sealing strip and are matched with correspondingly configured sealing support pieces, so that the infiltration of smaller flood can be basically blocked, and meanwhile, when larger flood exists, the gaps are better sealed by pressing the columnar sealing strip through a deformation expansion mode by using the water pressure of the flood, thereby playing an effective and reliable water sealing effect.
Drawings
FIG. 1 is a schematic cross-sectional view of an opening according to an embodiment of the present invention.
FIG. 2 is a schematic top view of a hole according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a side view cross section of an opening according to an embodiment of the present invention.
Fig. 4 is a schematic view of the back side of the door structure according to an embodiment of the present invention.
Fig. 5 is a schematic view of the structure of a locking mechanism portion in an embodiment of the present invention.
Fig. 6 is a schematic view of the structure of a first closure mechanism portion in an embodiment of the present invention.
Fig. 7 is a schematic view of a second closure portion in an embodiment of the present invention.
Detailed Description
The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.
Examples
As shown in fig. 1 to 7, the emergency disaster prevention device for the underground cavern of the large hydropower station comprises a traffic tunnel 1 arranged at an inlet and an outlet of the underground cavern, a support concrete body 2 integrally arranged at two sides of the traffic tunnel, a door leaf structure 10 in the form of a double-door structure, a locking mechanism 20, a hydraulic hoist 3, an oil pump station 4, a first closing mechanism 30, a second closing mechanism 40 and a third closing mechanism 50. Wherein, the one end of two door leaf structures 10 hinges respectively on the support concrete body of traffic hole both sides and the other end mutually supports, locking mechanical system 20 sets up in the door leaf structure one end of mutually supporting, the one end of hydraulic hoist 3 hinges in the door leaf structure back and the other end hinges on the door leaf structure back corresponds one side traffic hole lateral wall, oil pump station 4 provides power for hydraulic hoist and locking mechanical system, first closing mechanism 30 sets up the clearance department between door leaf structure and traffic hole ground, second closing mechanism 40 sets up the clearance department between door leaf structure and the support concrete body, third closing mechanism 50 sets up the clearance department between two door leaf structures. The hydraulic hoist can be used for pushing the door leaf structure to a closed position, the locking mechanism locks the two door leaf structures, the locking mechanism is controlled to be opened when the door leaf structure is opened, and then the hydraulic hoist pulls the door leaf structure to an opened position; the controller can adopt a conventional control mode such as PLC, the specific circuit structure and form of the controller are conventional technical means, and the detailed description is omitted in the embodiment.
The door leaf structure 10 includes a door leaf base plate 11, an orifice back support 12, a vertical reinforcing rib 13, a support hinge 14, a support roller 15 and a support rail 16. The door leaf substrate 11 is formed by overlapping a plurality of layers of steel plates and then fixing the steel plates by adopting dense bolts, the thickness of the steel plates and the thickness of the door leaf substrate are determined by the factors such as actually required impact strength, weight and the like, and a certain mounting position is reserved at the edge of the front side of the door leaf substrate so as to be convenient for arranging a first sealing mechanism, a second sealing mechanism and a third sealing mechanism; the orifice back support 12 is composed of support ribs fixed on the back side of the door leaf substrate in a criss-cross manner so as to ensure the structural strength of the door leaf substrate, and a hinged support arranged on the orifice back support is hinged with the end part of the hydraulic hoist; the vertical reinforcing ribs 13 are fixedly arranged on the side surfaces of two ends of the back side of the door leaf substrate and are fixedly connected with the orifice back support, so that related components such as a hinge, a locking mechanism and the like can be conveniently installed and connected; the two hinge supports 14 on one door leaf structure are vertically distributed and fixed on the vertical reinforcing ribs close to the supporting concrete bodies and fixedly connected with the corresponding supporting concrete bodies; the supporting roller 15 is arranged at the bottom of the orifice back support, and has the supporting function on the door leaf structure and the effect of convenient movement when the door leaf structure is opened and closed; the support rail 16 is embedded in the ground in the traffic hole, and the upper end surface thereof is flush with the ground and arranged in an arc shape along the moving track of the support roller.
As shown in fig. 4 and 5, the locking mechanism 20 includes a plurality of fixed locking shafts 21 fixed on the back side of the door leaf structure in a vertically distributed manner, locking arms 22 rotatably connected to the fixed locking shafts at the middle portions, a linkage rod 23 hinged to the same end of each locking arm, a locking cylinder 24 hinged to the upper portion of the linkage rod at one end and hinged to the back side of the door leaf structure at the other end, and a plurality of locking grooves 25 fixed on the back side of the door leaf structure and respectively engaged with the other end of each locking arm, wherein the locking cylinder is communicated with the oil pump station through an oil passage, the locking grooves and the fixed locking shafts are located on the vertical reinforcing ribs of different door leaf structures and are located on the side where the two door leaf structures are close to each other, for example, if the locking grooves are located on the door leaf structure on the left side, the fixed locking shafts, the locking arms, the linkage rod and the locking cylinders are installed on the door leaf structure on the right side, and vice versa. The locking groove is in a wedge shape with a small upper part and a large lower part, the locking arm rotates around the fixed locking shaft under the action of the locking oil cylinder driving linkage rod, is clamped in from the lower part of the locking groove and is clamped under the limiting action of the wedge shape, meanwhile, the locking of the locking oil cylinder keeps the locking position of the locking arm fixed, and the locking oil cylinder reversely drives the locking arm to withdraw from the lower part of the locking groove after rotating, so that the locking mechanism is unlocked from locking the door leaf structure. The lower end of the linkage rod is hinged with an inserted rod 26, the lower part of the back side of the door leaf structure is provided with a guide cylinder 27 matched with the inserted rod, and a jack 28 matched with the inserted rod is arranged at the position of the guide cylinder on the ground in the traffic hole corresponding to the closed door leaf structure, so that the vertical position of the linkage rod is kept conveniently when the linkage rod is driven to move, and the stability of the locked door leaf structure can be improved.
As shown in fig. 6, the first closing mechanism 30 includes a first sealing base 31 fixedly disposed at the lower side edge of the front face of the door structure, a first cylindrical sealing strip 32 integrally connected to the lower portion of the first sealing base, a first fixing body 33 embedded in the floor of the traffic hole corresponding to the lower side of the door structure, a first supporting member 34 embedded in the first fixing body, and a first sealing supporting member 35 embedded in the first fixing body and integrally connected to the first supporting member, wherein the first sealing base may be formed by stacking a plurality of sealing strips and then fixing the sealing strips by bolts, the first cylindrical sealing strip is generally integrally connected to the outermost sealing strip, the upper end surface of the first sealing supporting member is flush with the upper end surface of the first fixing body, the upper end surface of the first fixing body is flush with the floor of the traffic hole, the first supporting member may be configured in an inverted U shape, the first seal support may be configured in an i-shape; the first columnar sealing strip is in contact with the surface of the upper end of the first sealing support piece, and the gap between the door leaf structure and the ground of the traffic hole is completely closed under the action of water pressure.
As shown in fig. 7, the second closing mechanism 40 includes a second sealing base 41 fixedly disposed on the front face of the door leaf structure near the side edge of the supporting concrete body, a second cylindrical sealing strip 42 integrally connected with the side of the second sealing base, a second fixing body 43 fixedly connected with the side of the supporting concrete body near the door leaf structure, and a second sealing support 44 fixedly connected with the side of the second fixing body near the door leaf structure, wherein the second sealing base can be formed by stacking multiple layers of sealing strips and fixing them by bolts, the second cylindrical sealing strip is generally integrally connected with the outermost sealing strip, the second fixing body can be disposed at the corner of the supporting concrete body facing the front face of the door leaf structure as a fixing, the second sealing support can be configured as a strip decoding a right triangle, the hypotenuse of which is disposed next to the second fixing body, one of the hypotenuse is close to the edge portion of the front face of the door leaf structure, the other right-angle side is contacted with the second cylindrical sealing strip; and the second columnar sealing strip is in surface contact with the second sealing support piece and completely closes the gap between the door leaf structure and the support concrete body under the action of water pressure.
As shown in fig. 5, the third closing mechanism 50 includes a third sealing base 51 fixedly disposed at the side edge of one door leaf structure far from the supporting concrete body, a third sealing strip 52 integrally connected with the side of the third sealing base and having a hollow interior, and a third sealing support 53 fixedly disposed at the side edge of the other door leaf structure far from the supporting concrete body, wherein the third sealing base can be formed by stacking multiple layers of sealing strips and then fixing the sealing strips by bolts, the third sealing strip is generally connected with the outermost sealing strip as a whole, and the third sealing support can be configured as an extension of a side edge of a steel plate, or as an extension of an edge of an aperture back support or a vertical reinforcing rib; the third cylindrical sealing strip is in surface contact with the third sealing support and completely closes the gap between the two door leaf structures under the action of water pressure.
The door leaf structure is opened under normal conditions, personnel and vehicles in the traffic tunnel are not influenced, the door leaf structure can be quickly closed within 1 minute when emergency conditions such as flood occur, the flood is effectively isolated, and the risk that the flood flows backward into a factory area is prevented.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all changes that can be made by applying the principles of the present invention and performing non-inventive work on the basis of the principles shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides an emergent disaster prevention device in large-scale hydropower station underground cavern, a serial communication port, including disposing in the communication hole of underground cavern entrance to an exit department, an organic whole sets up in the support concrete body of communication hole both sides, one end articulates respectively on the support concrete body of communication hole both sides and the door leaf structure of other end mutually supporting, set up in the locking mechanism of door leaf structure one end of mutually supporting, one end articulates in the door leaf structure back and the other end articulates the hydraulic hoist on the door leaf structure back corresponds one side communication hole lateral wall, provide the oil pumping station of power for hydraulic hoist and locking mechanism, set up the first closing mechanism in the clearance department between door leaf structure and communication hole ground, set up the second closing mechanism in the clearance department between door leaf structure and the support concrete body, and set up the third closing mechanism in the clearance department between two door leaf structures.
2. The emergency disaster prevention device for the underground cavern of the large hydropower station according to claim 1, wherein the door leaf structure comprises a door leaf base plate formed by overlapping a plurality of layers of steel plates, an orifice back support which is fixedly arranged on the back side of the door leaf base plate and is composed of criss-cross support ribs, vertical reinforcing ribs which are fixedly arranged on the side surfaces of two ends of the back side of the door leaf base plate and are fixedly connected with the orifice back support, two support hinges which are fixedly connected with the vertical reinforcing ribs close to a support concrete body and are vertically distributed and fixedly arranged on the support concrete body, and support rollers arranged at the bottom of the orifice back support, wherein the end part of the hydraulic hoist is hinged with a hinge seat arranged on the orifice back support, and the first closing mechanism, the second closing mechanism and the third closing mechanism are all connected with the door leaf base plate.
3. The emergency disaster prevention device for the underground cavern of the large hydropower station according to claim 2, wherein a support rail matched with the moving track of the support roller is embedded on the ground in the traffic hole.
4. The emergency disaster prevention device for the underground cavern of the large hydropower station according to claim 1, wherein the locking mechanism comprises a plurality of fixed locking shafts which are fixedly arranged on the back side of the door leaf structure in a vertically distributed manner, locking arms which are rotatably connected to the fixed locking shafts at the middle parts, a linkage rod which is hinged to the same end of each locking arm, a locking oil cylinder which is hinged to the upper part of the linkage rod at one end and hinged to the back side of the door leaf structure at the other end, and a plurality of locking grooves which are fixedly arranged on the back side of the door leaf structure and are respectively clamped with the other end of each locking arm, wherein the locking grooves and the fixed locking shafts are arranged on different door leaf structures and are arranged on the side edges of the two door leaf structures which are close to each other.
5. The emergency disaster prevention device for the underground cavern of the large hydropower station according to claim 4, wherein the locking groove is in a wedge shape with a small upper part and a big lower part.
6. The emergency disaster prevention device for the underground cavern of the large hydropower station according to claim 4, wherein the lower end of the linkage rod is hinged with an inserted rod, the lower part of the back side of the door leaf structure is provided with a guide cylinder matched with the inserted rod, and a jack matched with the inserted rod is arranged on the ground in the traffic hole corresponding to the position of the guide cylinder when the door leaf structure is closed.
7. The emergency disaster prevention device for the underground cavern of the large hydropower station according to any one of claims 1 to 5, it is characterized in that the first sealing mechanism comprises a first sealing base body fixedly arranged on the lower side edge of the front surface of the door leaf structure, a first columnar sealing strip which is integrally connected with the lower part of the first sealing base body and is hollow inside, a first fixing body which is embedded in the ground of the traffic hole corresponding to the lower side of the door leaf structure, a first supporting piece which is embedded in the first fixing body, and a first sealing support member embedded in the first fixing body and connected with the first support member into a whole, wherein the upper end surface of the first sealing support member is flush with the upper end surface of the first fixing body, the upper end surface of the first fixing body is flush with the ground of the traffic hole, the first columnar sealing strip is in contact with the surface of the upper end of the first sealing support piece, and the gap between the door leaf structure and the ground of the traffic hole is completely closed under the action of water pressure.
8. The emergency disaster prevention device for the underground cavern of the large hydropower station according to any one of claims 1 to 5, wherein the second sealing mechanism comprises a second sealing base fixedly arranged on the front surface of the door leaf structure close to the side edge of the supporting concrete body, an internally hollow second cylindrical sealing strip integrally connected with the side surface of the second sealing base, a second fixing body fixedly connected with the side part of the supporting concrete body close to the door leaf structure, and a second sealing support fixedly connected with the side part of the second fixing body close to the door leaf structure, wherein the second cylindrical sealing strip is in surface contact with the second sealing support and completely seals the gap between the door leaf structure and the supporting concrete body under the action of water pressure.
9. The emergency disaster prevention device for the underground cavern of the large hydropower station according to any one of claims 1 to 5, wherein the third sealing mechanism comprises a third sealing base fixedly arranged at the edge of the side surface of one door leaf structure far away from the support concrete body, a third hollow column-shaped sealing strip integrally connected with the side surface of the third sealing base, and a third sealing support fixedly arranged at the edge of the side surface of the other door leaf structure far away from the support concrete body, wherein the third column-shaped sealing strip is in surface contact with the third sealing support and completely seals the gap between the two door leaf structures under the action of water pressure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121610431.1U CN215633142U (en) | 2021-07-15 | 2021-07-15 | Emergency disaster prevention device for underground cavern of large hydropower station |
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| CN202121610431.1U CN215633142U (en) | 2021-07-15 | 2021-07-15 | Emergency disaster prevention device for underground cavern of large hydropower station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309570A (en) * | 2021-07-15 | 2021-08-27 | 华能澜沧江水电股份有限公司 | Emergency disaster prevention protection system for underground cavern of large hydropower station |
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2021
- 2021-07-15 CN CN202121610431.1U patent/CN215633142U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309570A (en) * | 2021-07-15 | 2021-08-27 | 华能澜沧江水电股份有限公司 | Emergency disaster prevention protection system for underground cavern of large hydropower station |
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