CN216739529U

CN216739529U - Combined floating blocking device for blocking floating objects in power generation diversion tunnel of hydropower station

Info

Publication number: CN216739529U
Application number: CN202220296683.XU
Authority: CN
Inventors: 鲍升升; 王红东; 杨志贤; 满扎尔·唐海; 吴一
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-14
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to the technical field of reservoir garbage cleaning, in particular to a combined floater blocking device for blocking floaters in a power generation diversion tunnel of a hydropower station, which comprises a floating blocking mechanism, wherein the floating blocking mechanism consists of a plurality of mounting frames and an oil drum, the oil drum is sleeved in the middle of the mounting frames, both sides of the lower end of each mounting frame are fixedly connected with connecting rings, a steel wire rope penetrates through the middle of each connecting ring, the mounting frames are connected with the steel wire ropes in series, both ends of each steel wire rope are fixedly connected with concrete anchoring piers, the concrete anchoring piers are positioned at dam bodies at both sides of the reservoir, winches are fixedly connected at the concrete anchoring piers, the lower ends of the connecting rings are fixedly connected with fixing plates, the lower ends of the fixing plates are inserted with connecting plates, the lower ends of the connecting plates are fixedly connected with trash screens, the lower ends of the trash screens are fixedly connected with balancing weights, and the lower ends of the fixing plates are provided with a plurality of clamping grooves. The floating objects flowing upwards are intercepted, and the interference to power generation is avoided.

Description

Combined floating blocking device for blocking floating objects in power generation diversion tunnel of hydropower station

Technical Field

The utility model relates to the technical field of reservoir garbage cleaning, in particular to a combined float blocking device for blocking floaters in a power generation and diversion tunnel of a hydropower station.

Background

The hydroelectric power station mainly drives a generator to rotate through the flowing of water flow to generate power, but a plurality of floaters on the upstream of a reservoir flow to a power station along with the water, and once the floaters enter the power generator set, the power generator set is damaged, so that a trash rack is arranged at a water inlet of the power station. The floating objects are accumulated at the trash rack, so that the trash rack is blocked to form a front-back water level difference, the water inflow is insufficient, the unit operation condition is poor, and the annual power generation task target cannot be completed; the large water head difference before and after the trash rack can possibly cause the deformation or partial scattering of the trash rack, and once the trash rack enters the volute of the unit, major equipment damage accidents can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined float retaining device for retaining floats in a power generation diversion tunnel of a hydropower station.

In order to achieve the purpose, the utility model provides the following technical scheme: the combined floating blocking device for the hydropower station water diversion tunnel to block floating objects comprises a floating blocking mechanism, the intercepting floating mechanism consists of a plurality of mounting frames and an oil drum, the oil drum is sleeved in the middle of the mounting frames, the two sides of the lower end of the mounting frame are fixedly connected with connecting rings, a steel wire rope penetrates through the middle of the connecting rings, the steel wire rope is connected in series with the mounting frame, two ends of the steel wire rope are fixedly connected with the concrete anchoring pier, the concrete anchoring piers are positioned at the dam bodies at the two sides of the reservoir, the concrete anchoring piers are fixedly connected with winches, the lower end of the connecting ring is fixedly connected with a fixed plate, the lower end of the fixed plate is inserted with a connecting plate, the lower end of the connecting plate is fixedly connected with a trash rack, the lower end of the trash rack is fixedly connected with a balancing weight, the lower extreme of fixed plate is equipped with a plurality of joint grooves, a plurality of backup pads of fixedly connected with in the middle of the upper end of connecting plate.

Preferably, the connecting plate is of a U-shaped structure, the fixing plate is located in the middle of the connecting plate, and two ends of the connecting plate are fixedly connected with two ends of the fixing plate through bolts.

Preferably, the supporting plate and the clamping groove are in one-to-one correspondence, the supporting plate and the clamping groove are of L-shaped structures, and the supporting plate is clamped in the clamping groove.

Preferably, trash rack and installing frame one-to-one, trash rack's both sides are a plurality of solid fixed rings of fixedly connected with all, adjacent two through iron wire fixed connection between the trash rack.

Preferably, a traction rope is wound in the middle of the winch, and the top end of the traction rope is fixedly connected to the intercepting floating mechanism.

Compared with the prior art, the utility model has the beneficial effects that: the front end of the water inlet is provided with the floating blocking device for blocking garbage flowing downwards, the underwater garbage can be blocked by the trash blocking net, meanwhile, the counterweight block is arranged to ensure the blocking effect of the trash blocking net, so that the trash blocking fence is prevented from being blocked when floating objects flow downwards to the water inlet, water flow can smoothly flow into a generator set, and annual power generation tasks can be accurately completed; and meanwhile, the intercepting floating mechanism and the trash rack are in a combined mode, so that the damaged trash rack is conveniently replaced, and the floating objects are intercepted.

Drawings

FIG. 1 is a schematic view of a connection structure of an intercepting floating mechanism and a winch;

fig. 2 is a schematic view of the connection structure of the trash rack.

In the figure: 1 interception floats mechanism, 2 installing frames, 3 oil drums, 4 concrete anchor mounds, 5 capstan winches, 6 haulage ropes, 7 go-between, 8 wire rope, 9 fixed plates, 10 joint grooves, 11 connecting plates, 12 backup pads, 13 trash rack, 14 balancing weights, 15 solid fixed rings.

Detailed Description

In order to further understand and appreciate the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described and illustrated in the drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments, and do not limit the embodiments in any way. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a combined floating blocking device for blocking floaters in a power generation diversion tunnel of a hydropower station comprises a floating blocking mechanism 1, wherein the floating blocking mechanism 1 consists of a plurality of mounting frames 2 and an oil drum 3, the oil drum 3 is sleeved in the middle of the mounting frames 2, both sides of the lower end of each mounting frame 2 are fixedly connected with a connecting ring 7, a steel wire rope 8 is connected in the middle of each connecting ring 7 in a penetrating manner, the steel wire ropes 8 are connected with the mounting frames 2 in series, both ends of each steel wire rope 8 are fixedly connected with concrete anchoring piers 4, the concrete anchoring piers 4 are positioned at dam bodies at both sides of a reservoir, the water level of the reservoir is reduced to the lowest level when the hydropower station is used for sand discharge or maintenance, the floating blocking mechanism 1 can be suspended in the air under the action of the steel wire ropes 8, the phenomenon that the concrete anchoring piers 4 are fixedly connected with a winch 5 due to sudden damage caused by water flow is avoided, the lower end of each connecting ring 7 is fixedly connected with a fixing plate 9, the lower end of each fixing plate 9 is inserted and connected with a connecting plate 11, and the lower end of each connecting plate 11 is fixedly connected with a dirt blocking net 13, the lower extreme fixedly connected with balancing weight 14 of trash rack 13, the lower extreme of fixed plate 9 is equipped with a plurality of joint grooves 10, a plurality of backup pads 12 of fixedly connected with in the middle of the upper end of connecting plate 11.

Connecting plate 11 is the U-shaped structure, and fixed plate 9 is located the centre of connecting plate 11, can carry out the location connection to connecting plate 11 and fixed plate 9 fast, makes things convenient for the grafting in backup pad 12 and joint groove 10, and bolt fixed connection is passed through at connecting plate 11 both ends and fixed plate 9 both ends for trash rack 13 becomes a whole with the interception float mechanism, and when trash rack 13 damaged, the convenience is changed trash rack 13, and the guarantee is to the interception of floater.

Backup pad 12 and joint groove 10 one-to-one, backup pad 12 board and joint groove 10 all are L shape structure, and backup pad 12 joint is in joint groove 10, connects into a whole with connecting plate 11 and fixed plate 9, and backup pad 12 can support trash screen 13 and balancing weight 14 below.

Trash screens 13 and installing frame 2 one-to-one, trash screen 13's both sides all a plurality of solid fixed rings 15 of fixedly connected with, through iron wire fixed connection between two adjacent trash screens 13, conveniently connect and dismantle for all trash screens 13 all become a whole, avoid the floater to pass through from two trash screen 13's centre.

The winding has haulage rope 6 in the middle of the capstan winch 5, and haulage rope 6's top fixed connection is in intercepting floating mechanism 1 department, and capstan winch 5 can adjust haulage rope 6, adjusts intercepting floating mechanism's elasticity for it keeps in the allowed range that the drainage floats that flows automatically to block the radian.

The floating blocking facility is arranged at the front end of a water inlet of a power station, an oil drum in the floating blocking mechanism 1 can enable the floating blocking mechanism 1 to be suspended on the water surface, a trash blocking net 13 is arranged below the floating blocking mechanism 1, two ends of a connecting plate 11 and two ends of a fixing plate 9 are fixedly connected through bolts, and a supporting plate 12 is clamped in a clamping groove 10 in a clamping mode, so that the trash blocking net 13 and the floating blocking mechanism are made to be a whole, garbage entering the upstream side warehouse can be effectively blocked to enter the water inlet, and the garbage can be converged to one side along with water flow, and no garbage is overturned or passes through the floating blocking device.

While embodiments of the utility model have been shown and described, it is emphasized that: the above description is presented only by way of example of use of an embodiment of the utility model and is not intended to limit the utility model in any way. It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Combined device that floats that blocks of power station diversion tunnel interception floater is including intercepting showy mechanism (1), its characterized in that: the intercepting floating mechanism (1) is composed of a plurality of mounting frames (2) and an oil drum (3), the oil drum (3) is sleeved in the middle of the mounting frames (2), both sides of the lower ends of the mounting frames (2) are fixedly connected with connecting rings (7), steel wire ropes (8) are connected in the middle of the connecting rings (7), the mounting frames (2) are connected in series with the steel wire ropes (8), both ends of the steel wire ropes (8) are fixedly connected to concrete anchoring piers (4), the concrete anchoring piers (4) are located at dam bodies on two sides of a reservoir, fixedly connected with winches (5) are located at the concrete anchoring piers (4), a fixing plate (9) is fixedly connected to the lower ends of the connecting rings (7), a connecting plate (11) is inserted into the lower ends of the fixing plate (9), a dirt blocking net (13) is fixedly connected to the lower ends of the connecting plate (11), and a balancing weight (14) is fixedly connected to the lower ends of the dirt blocking net (13), the lower extreme of fixed plate (9) is equipped with a plurality of joint grooves (10), a plurality of backup pads (12) of fixedly connected with in the middle of the upper end of connecting plate (11).

2. The combined type float retaining device for intercepting floats of the hydropower station power generation diversion tunnel according to claim 1, is characterized in that: the connecting plate (11) is of a U-shaped structure, the fixing plate (9) is located in the middle of the connecting plate (11), and the two ends of the connecting plate (11) are fixedly connected with the two ends of the fixing plate (9) through bolts.

3. The combined type float retaining device for intercepting floats of the hydropower station power generation diversion tunnel according to claim 1, is characterized in that: the supporting plate (12) and the clamping groove (10) are in one-to-one correspondence, the supporting plate (12) and the clamping groove (10) are of L-shaped structures, and the supporting plate (12) is clamped in the clamping groove (10).

4. The combined type float retaining device for intercepting floats of the hydropower station power generation diversion tunnel according to claim 1, is characterized in that: trash rack (13) and installing frame (2) one-to-one, trash rack (13)'s both sides are a plurality of solid fixed rings (15) of fixedly connected with all, adjacent two through iron wire fixed connection between trash rack (13).

5. The combined type float retaining device for intercepting floats of the hydropower station power generation diversion tunnel according to claim 1, is characterized in that: a traction rope (6) is wound in the middle of the winch (5), and the top end of the traction rope (6) is fixedly connected to the intercepting floating mechanism (1).