CN221030011U - Spillway of vertical shaft through-flow hydropower station - Google Patents

Spillway of vertical shaft through-flow hydropower station Download PDF

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Publication number
CN221030011U
CN221030011U CN202323057259.3U CN202323057259U CN221030011U CN 221030011 U CN221030011 U CN 221030011U CN 202323057259 U CN202323057259 U CN 202323057259U CN 221030011 U CN221030011 U CN 221030011U
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China
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reservoir body
hydropower station
shaft
station reservoir
water
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CN202323057259.3U
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Chinese (zh)
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金华
王龙
张建广
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China Power International Technology Co ltd
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China Power International Technology Co ltd
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Abstract

The utility model discloses a vertical shaft through-flow hydropower station spillway, which comprises a hydropower station reservoir body, wherein after the water level in the hydropower station reservoir body exceeds a certain height, the hydropower station reservoir body is opened for flood control, water enters a vertical shaft, the water outlet end of the vertical shaft is positioned at the downstream position of the hydropower station reservoir body, and flows back to a downstream river channel from the vertical shaft, so that the water level safety of the hydropower station reservoir body is ensured, the water passing diameter of the vertical shaft is gradually increased from top to bottom, the water passing amount of the vertical shaft is gradually increased along with the gradual increase of the water passing diameter, so that the water passing smoothness of the vertical shaft is ensured, flood is guided by the vertical shaft, the depth length of the vertical shaft structure is large, the overflow problem caused by overlarge water quantity can be effectively prevented, and the safety of the periphery of the hydropower station is effectively ensured; the buffer slopes are fixedly connected to the inner side walls of the vertical shafts in a staggered mode along the vertical direction, the buffer slopes are arranged to form buffer channels in the flood outflow process, and flood flows in the vertical shafts in a fold line mode, so that the flood discharge safety of the vertical shafts is further improved.

Description

Spillway of vertical shaft through-flow hydropower station
Technical Field
The utility model relates to the technical field of spillways of hydropower stations, in particular to a vertical shaft through-flow hydropower station spillway.
Background
The hydropower station consists of a hydraulic system, a mechanical system, an electric energy generating device and the like, is a hydraulic junction project for converting water energy into electric energy, and the sustainability of electric energy production requires the water energy of the hydropower station to be utilized uninterruptedly. The hydraulic resource distribution in time and space is adjusted and changed artificially by building a hydropower station reservoir system, so that sustainable utilization of the hydraulic resource is realized. In order to effectively convert the water energy in the reservoir into electric energy, the hydropower station needs to be realized through a hydro-electromechanical system, the hydro-electromechanical system realizes the conversion from the water energy to the mechanical energy through the cooperation of the pressure water diversion pipe and the water turbine, and the purpose of utilizing the water energy to produce electric energy is finally realized by utilizing the linkage relation of the water turbine and the generator. In order to ensure the safety of a hydropower station reservoir, a spillway is required to be arranged at the side of the reservoir for flood discharge, when the water level in the reservoir exceeds a set value, overflowed parts are discharged to the downstream by the spillway, the existing spillway is generally of a ladder structure, and under the condition of overlarge water quantity, the spillway of the ladder structure also has the problem of overflow, so that the safety of the periphery of the hydropower station cannot be ensured, and therefore, the spillway of the vertical shaft through-flow hydropower station is provided.
Disclosure of utility model
The utility model aims to provide a vertical shaft through-flow hydropower station spillway so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a vertical shaft through-flow hydropower station spillway comprises a hydropower station reservoir body, a vertical shaft is arranged at the side of the hydropower station reservoir body, after the water level in the hydropower station reservoir body exceeds a certain height, the hydropower station reservoir body is opened to prevent flood, water enters the vertical shaft, the water outlet end of the vertical shaft is positioned at the downstream position of the hydropower station reservoir body, and flows back to a downstream river channel from the vertical shaft, so that the water level safety of the hydropower station reservoir body is ensured, the water passing diameter of the vertical shaft is gradually increased from top to bottom, so that the water passing amount of the vertical shaft is gradually increased, the water passing smoothness of the vertical shaft is ensured, flood is guided by the vertical shaft, the depth length of the vertical shaft structure is large, the overflow problem caused by the overlarge water amount can be effectively prevented, the safety of the periphery of the hydropower station is effectively ensured, the buffer slopes are fixedly connected on the inner side wall of the vertical shaft in a staggered manner along the vertical direction, the buffer slopes are of block structures, the side walls of the buffer slopes are arc-shaped, the arc-shaped side walls of the buffer slopes are matched with the side walls of the vertical shaft and are fixedly connected, the buffer slopes form buffer channels in the flood outflow process, flood circulates in the vertical shaft in a fold line manner, a great amount of flood between suddenly can be prevented from filling the vertical shaft, further increase shaft flood discharge security, flood is in the flood discharge hole site of power station reservoir body is higher than the entrance point of shaft, power station reservoir body flood discharge hole site with fixedly connected with side shield between the entrance point of shaft, the setting of side shield prevents that flood from getting into this in-process of entrance point to shaft from power station reservoir body from overflowing.
Preferably, the side wall of the hydropower station reservoir body is provided with a plate groove, the inner side wall of the hydropower station reservoir body is provided with a flood discharge hole communicated with the plate groove, the plate groove is internally and slidably connected with a flood discharge baffle, the flood discharge baffle is provided with an alignment hole matched with the flood discharge hole, the flood discharge baffle is positioned in the plate groove in a normal state, the flood discharge hole is plugged, when the water level in the hydropower station reservoir body is too high, the flood discharge baffle is moved upwards, the alignment hole on the flood discharge baffle is overlapped with the flood discharge hole, water in the hydropower station reservoir body overflows to the vertical shaft along the flood discharge hole, and the flood discharge is guided to the downstream through the vertical shaft, so that the operation of opening a gate is more convenient.
Preferably, the upper end symmetry fixedly connected with first go-between of flood discharge baffle, fixed connection lifting rope's one end on the first go-between, the other end of lifting rope all with second go-between fixed connection, pull-up the second go-between can drive the floodgate is moved out on the flood discharge baffle.
Preferably, the hydropower station reservoir body is internally provided with a water level sensor, the water level sensor is electrically connected with an external main control machine, the second connecting ring is electrically connected with external upward-pulling power equipment, the main control machine is electrically connected with the upward-pulling power equipment, when the water level in the hydropower station reservoir body is too high, the water level sensor transmits a water level signal to the main control machine, the main control machine receives the signal and sends out an alarm and simultaneously controls the upward-pulling power equipment to work, and the floodgate is moved away from the flood discharge baffle plate, wherein the upward-pulling power equipment can be an electric telescopic cylinder.
Preferably, the plate groove is located at an upper position of the side wall of the hydropower station reservoir body.
Preferably, the flood discharge baffle plate is in interference fit with the plate groove, and in a normal state, the flood discharge baffle plate 7 can tightly seal the flood discharge hole.
Compared with the prior art, the utility model has the beneficial effects that:
(1) After the water level in the hydropower station reservoir body exceeds a certain height, the hydropower station reservoir body is opened to prevent flood, water enters a vertical shaft, the water outlet end of the vertical shaft is positioned at the downstream position of the hydropower station reservoir body, and flows back from the vertical shaft to a downstream river channel, so that the water level safety of the hydropower station reservoir body is ensured, the water passing diameter of the vertical shaft is gradually increased from top to bottom, the water passing amount of the vertical shaft is gradually increased along with the gradual increase of the water passing diameter, the water passing smoothness of the vertical shaft is ensured, flood is guided by the vertical shaft, the depth length of the vertical shaft structure is large, the overflow problem caused by overlarge water amount can be effectively prevented, and the safety of the periphery of the hydropower station is effectively ensured;
(2) The buffer slopes are fixedly connected to the inner side wall of the vertical shaft in a staggered manner along the vertical direction, the buffer slopes are of block structures, the side walls of the buffer slopes are arc-shaped, the arc-shaped side walls of the buffer slopes are matched with the side walls of the vertical shaft and are fixedly connected, the buffer slopes form buffer channels in the flood outflow process, flood flows in the vertical shaft in a fold line manner, a large amount of flood between the sudden flood flows in the vertical shaft can be prevented from filling the vertical shaft, and the flood discharge safety of the vertical shaft is further improved;
(3) Flood is higher than the entrance end of the vertical shaft at the flood discharging hole position of the hydropower station reservoir body, a lateral baffle is fixedly connected between the flood discharging hole position of the hydropower station reservoir body and the entrance end of the vertical shaft, and the lateral baffle is arranged to prevent flood from overflowing in the process that flood enters the entrance end of the vertical shaft from the hydropower station reservoir body.
Drawings
FIG. 1 is a cross-sectional view of the main structure of the present utility model;
FIG. 2 is a top view of the body structure of the present utility model;
figure 3 is a schematic view of a flood discharge baffle in a plate tank in a normal state according to the utility model;
Fig. 4 is a schematic view of a flood discharge barrier in a panel slot in a flood discharge state according to the present utility model.
In the figure: the water level sensor comprises a 1-hydropower station reservoir body, a 2-vertical shaft, a 3-buffering slope, a 4-lateral baffle, a 5-plate groove, a 6-flood discharge hole, a 7-flood discharge baffle, an 8-alignment hole, a 9-first connecting ring, a 10-lifting rope, a 11-second connecting ring and a 12-water level sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
Referring to fig. 1-4, the present utility model provides the following technical solutions: a vertical shaft through-flow hydropower station spillway comprises a hydropower station reservoir body 1, a vertical shaft 2 is arranged at the side of the hydropower station reservoir body 1, after the water level in the hydropower station reservoir body 1 exceeds a certain height, the hydropower station reservoir body 1 is opened to prevent flood, water enters the vertical shaft 2, the water outlet end of the vertical shaft 2 is positioned at the downstream position of the hydropower station reservoir body 1, and flows back to a downstream river channel from the vertical shaft 2, so that the water level safety of the hydropower station reservoir body 1 is ensured, the water diameter of the vertical shaft 2 is gradually increased from top to bottom, the water flow of the vertical shaft 2 is gradually increased, so that the water flow smoothness of the vertical shaft 2 is ensured, the vertical shaft 2 is used for guiding flood, the vertical shaft structure has a large depth length, the overflow problem caused by the overlarge water amount can be effectively prevented, so that the safety of the circumference side of the hydropower station is effectively ensured, buffer slopes 3 are fixedly connected to the inner side walls of the vertical shafts 2 in a staggered manner along the vertical direction, the buffer slopes 3 are of block structures, the side walls of the buffer slopes 3 are arc-shaped, the arc-shaped side walls of the buffer slopes 3 are matched with and fixedly connected with the side walls of the vertical shafts 2, the arrangement of the buffer slopes 3 forms a buffer channel in the flood outflow process, flood circulates in the vertical shafts 2 in a fold line manner, a great amount of flood between the flood can be prevented from filling the vertical shafts, the flood discharge safety of the vertical shafts 2 is further improved, the flood discharge hole position of the hydropower station reservoir body 1 is higher than the inlet end of the vertical shafts 2, a lateral baffle 4 is fixedly connected between the flood discharge hole position of the hydropower station reservoir body 1 and the inlet end of the vertical shafts 2, the lateral baffle plates 4 are arranged to prevent flood from overflowing in the process of entering the inlet end of the vertical shaft 2 from the hydropower station reservoir body 1.
Specifically, the lateral wall of power station reservoir body 1 is last to have seted up board groove 5, set up on the inside wall of power station reservoir body 1 with board groove 5 is linked together's flood discharge hole 6, sliding connection has flood discharge baffle 7 in board groove 5, set up on the flood discharge baffle 7 with the counterpoint hole 8 that flood discharge hole 6 cooperation was used, under the normality, flood discharge baffle 7 is located in board groove 5, right flood discharge hole 6 plays the shutoff effect, when the water level in power station reservoir body 1 is too high, through shifting up flood discharge baffle 7, make counterpoint hole 8 and flood discharge hole 6 coincidence on it, the water in power station reservoir body 1 overflows to along flood discharge hole 6 this moment shaft 2, leads to the low reaches through shaft 2 water conservancy diversion, and this structure makes the floodgate operation more convenient.
Specifically, the upper end symmetry fixedly connected with first go-between 9 of flood discharge baffle 7, the one end of fixed connection lifting rope 10 on the first go-between 9, the other end of lifting rope 10 all with second go-between 11 fixed connection, pull-up through second go-between 11 can drive the flood discharge baffle 7 moves the floodgate upward.
Specifically, a water level sensor 12 is arranged in the hydropower station reservoir body 1, the water level sensor 12 is electrically connected with an external main control unit, the second connecting ring 11 is electrically connected with external pull-up power equipment, the main control unit is electrically connected with the pull-up power equipment, when the water level in the hydropower station reservoir body 1 is too high, the water level sensor 12 transmits a water level signal to the main control unit, the main control unit receives the signal and sends out an alarm and simultaneously controls the pull-up power equipment to work, the flood discharge baffle 7 is moved upwards to open a gate, and the pull-up power equipment can be an electric telescopic cylinder.
Specifically, the plate groove 5 is located at an upper position of the side wall of the hydropower station reservoir body 1.
Specifically, the flood discharge baffle 7 is in interference fit with the plate groove 5, and in a normal state, the flood discharge baffle 7 can tightly seal the flood discharge hole 6.
Working principle: the side of power station reservoir body 1 is provided with shaft 2, the water level exceeds the back of certain height in the power station reservoir body 1, power station reservoir body 1 floodgate flood control, water gets into shaft 2, the play water end of shaft 2 is located the low reaches position of power station reservoir body 1, by shaft 2 refluence to the low reaches river course, thereby guarantee the water level safety of power station reservoir body 1, the diameter of water passage of shaft 2 is by last to progressively increasing down, the diameter of water passage progressively increases so that the water passage of shaft 2 also increases thereupon gradually, thereby guarantee the water smoothness of shaft 2, with shaft 2 to flood water conservancy diversion, shaft structure depth length is big, can effectively prevent that the water yield is too big and lead to the overflow problem, thereby make the safety of power station week side obtain effectively guaranteeing, the lateral wall of shaft 2 is gone up along crisscross fixedly connected with buffering slope 3 in the vertical direction, buffering slope 3 is the arc-shaped side wall of 3, the arc-shaped side wall of buffering slope 3 agrees with the lateral wall of shaft 2 and fixedly connected with, buffering slope 3 set up constitutes the buffer channel that can flood flow out in-process, the water passage that makes shaft 2's water passage gradually increases thereupon, the water passage 2 is located at 2, the side-to the side wall of shaft 2 is located the side-to the side wall of the side of the water inlet of the water reservoir body of the water-stop inlet of the water-stop 2, the side-stop device is located in the side-stop water-stop 2, the flood reservoir 2 is located at the side-stop position of the side-stop water-stop position of the water-stop device 2, the flood flow of the side-stop device 2, the flood-stop device is located 2, and the flood-station side of the flood-stop device is located 2, and the flood-station side-stop device is located down, and has the flood-stop device, and has the safety device, and has.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a shaft through-flow hydropower station spillway, includes hydropower station reservoir body (1), its characterized in that: the utility model discloses a hydropower station reservoir body, including hydroelectric power station reservoir body (1), shaft (2) are provided with the side of hydroelectric power station reservoir body (1), the play water end of shaft (2) is located the low reaches position of hydropower station reservoir body (1), the diameter of leading to water of shaft (2) increases gradually from top to bottom, crisscross fixedly connected with buffering slope (3) on the inside wall of shaft (2) along vertical direction, buffering slope (3) are block structure, the lateral wall of buffering slope (3) is the arc, the arc lateral wall of buffering slope (3) with the lateral wall of shaft (2) agrees with and fixed connection mutually, the flood discharging hole site of hydropower station reservoir body (1) is higher than the entrance point of shaft (2), the flood discharging hole site of hydropower station reservoir body (1) with fixedly connected with side shield (4) between the entrance point of shaft (2).
2. A shaft through-flow hydroelectric power spillway as claimed in claim 1, wherein: the utility model discloses a water power station reservoir body, including water power station reservoir body (1), water power station reservoir body (1) is equipped with on the lateral wall of water power station reservoir body (1), offer on the inside wall of water power station reservoir body (1) with flood discharge hole (6) that board groove (5) are linked together, sliding connection has flood discharge baffle (7) in board groove (5), offer on flood discharge baffle (7) with flood discharge hole (6) cooperation use counterpoint hole (8).
3. A shaft through-flow hydroelectric power spillway as claimed in claim 2, wherein: the flood discharge baffle is characterized in that a first connecting ring (9) is symmetrically and fixedly connected to the upper end of the flood discharge baffle (7), one end of a lifting rope (10) is fixedly connected to the first connecting ring (9), and the other end of the lifting rope (10) is fixedly connected with a second connecting ring (11).
4. A shaft through-flow hydroelectric power spillway as claimed in claim 3, wherein: the hydropower station reservoir is characterized in that a water level sensor (12) is arranged in the hydropower station reservoir body (1), the water level sensor (12) is electrically connected with an external main control machine, a second connecting ring (11) is connected with external pull-up power equipment, and the main control machine is electrically connected with the pull-up power equipment.
5. A shaft through-flow hydroelectric power spillway as claimed in claim 2, wherein: the plate groove (5) is positioned at the upper part of the side wall of the hydropower station reservoir body (1).
6. A shaft through-flow hydroelectric power spillway as claimed in claim 2, wherein: the flood discharge baffle (7) is in interference fit with the plate groove (5).
CN202323057259.3U 2023-11-13 2023-11-13 Spillway of vertical shaft through-flow hydropower station Active CN221030011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323057259.3U CN221030011U (en) 2023-11-13 2023-11-13 Spillway of vertical shaft through-flow hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323057259.3U CN221030011U (en) 2023-11-13 2023-11-13 Spillway of vertical shaft through-flow hydropower station

Publications (1)

Publication Number Publication Date
CN221030011U true CN221030011U (en) 2024-05-28

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ID=91176814

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323057259.3U Active CN221030011U (en) 2023-11-13 2023-11-13 Spillway of vertical shaft through-flow hydropower station

Country Status (1)

Country Link
CN (1) CN221030011U (en)

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