CN202519638U

CN202519638U - Semi-submersible type float body access door

Info

Publication number: CN202519638U
Application number: CN2012201590445U
Authority: CN
Inventors: 方勇; 杨敏慧; 冯书安; 景乾明; 朱国海; 付廷勤; 沈利平; 曾需要; 张建伟; 高承众; 赵一平; 鲁琦; 丁晓利; 祁林攀; 李岗; 王海峰
Original assignee: NORTHWEST HYDRO CONSULTING ENGINEERS CHECC
Current assignee: NORTHWEST HYDRO CONSULTING ENGINEERS CHECC; PowerChina Northwest Engineering Corp Ltd
Priority date: 2012-04-16
Filing date: 2012-04-16
Publication date: 2012-11-07
Anticipated expiration: 2022-04-16

Abstract

The utility model relates to a float body access door which can reliably seal under the situations that the reservoir water level changes remarkably and a sluice gate is partially exposed out of water, in particular to a semi-submersible type float body access door. The semi-submersible type float body access door comprises a float body sluice gate (1), wherein a sealed balance adjusting water tank (2) and a loading cabinet (3) are distributed in the float body sluice gate (1), the sealed balance adjusting water tank (2) and the loading cabinet (3) are distributed in the float body sluice gate (1) at interval from top to bottom, the loading cabinet (3) is large in space, the balance adjusting water tank (2) is small in space, and the loading cabinet (3) is communicated with the outside of the float body sluice gate (1) through a communication adjusting valve (4). When the reservoir water level rises and decreases, the float body sluice gate can be applied to sealing a power station meter hole and a low water level underwater hole so as to widen application scope of the float body sluice gate. The float body access door is simple in structure, convenient to operate, safe, practical and strong in practical application value.

Description

A kind of semi-submersible type buoyancy aid access door

Technical field

The utility model relates to a kind of buoyancy aid Emergency Gate and significantly changes at reservoir level, carries out the technology of reliable shutoff under the situation that gate partly surfaces, and specifically is a kind of semi-submersible type buoyancy aid access door.

Background technology

In China, the old power station runner import Emergency Gate embedded part of part is owing to be under water for a long time, and long neglected and in disrepair, well damage cause the Emergency Gate water shutoff to lose efficacy, and the gate embedded part adopts the underwater repair effect scarcely good.Progressively adopted the technology of floating gate shutoff in recent years, and made import Emergency Gate embedded part can realize the nonirrigated farmland reparation at runner import front end.

Floating gate is a kind of Emergency Gate of in water, operating by door body self buoyancy; In each load chamber of door body, inject quantitative loading water during use; With the attitude of adjustment gate in water, the gate that regulates sealing respectively loads water tank, makes gate in water, be in a stable attitude.The power station reservoir level is regulated along with the operation in power station and is gone up and down, and in the power station, when bottom outlet adopts the floating gate maintenance, in the whole subduction entry of gate, buoyancy is stable, does not receive the influence of fluctuation in stage.And during the buoyancy aid gate technique that power station table hole and low water stage down-the-hole adopt, gate is under the partially surfaced condition, along with the reservoir level up-down and rise and fall, before the dam, is difficult to stablize, and can't realize reliable shutoff.Even when high water level, realize smoothly shutoff, water pressure reduced to break away from block-up position with buoyancy when gate also can be owing to drawdown, caused the shutoff inefficacy.Receive certain restriction with regard to the range of application that makes floating gate like this.

The utility model content

The purpose of the utility model is a kind of semi-submersible type buoyancy aid access door of design, so that the shutoff application of floating gate table hole and low water stage down-the-hole in power station when reservoir level is gone up and down, widens the range of application of floating gate.

For reaching above-mentioned purpose; The utility model provides a kind of semi-submersible type buoyancy aid access door; It is characterized in that: comprise floating gate, distribute in the floating gate Packed balance adjustment water tank and load chamber, balance adjustment water tank and load chamber are distributed in the floating gate at interval from top to bottom; The space of load chamber is big, and the space of balance adjustment water tank is little; Load chamber is interlinked to the outside through being communicated with control valve and floating gate.

The upper end of described floating gate has a left and right sides floating gate alignment pin and the oblique zip in door top decide pull bar, and left and right door pushes up oblique zip decide the last bell-mouthed locking of pull bar and concrete dam body and to be connected, about lock the seat and put and be higher than floating gate.

Described connection control valve is a standard stainless steel universal valve.

Described left and right sides floating gate alignment pin is connected with left and right sides locking nut pin respectively; Locking nut and contraposition sleeve connect as one; There is the contraposition adjusting screw(rod) contraposition sleeve both sides, are used to regulate contraposition gate alignment pin, and gate alignment pin one end and concrete dam facing are fixed; The other end inserts in the contraposition sleeve, and gate alignment pin and locking nut constitute cross structure.

Described concrete dam body constitutes the horn mouth structure, and horn mouth forms the power station runner naturally.

Described floating gate alignment pin is steel sleeve and the bearing pin that is provided with at the floating gate top.

It is the steel pull bar that the floating gate top is provided with that the oblique zip in described door top is decided pull bar.

The utility model has the advantages that: can realize that floating gate was used in the shutoff of table hole, power station and low water stage down-the-hole when reservoir level went up and down, widen the range of application of floating gate.Simple in structure, easy and simple to handle, safe and practical, have stronger actual application value.

Description of drawings

Combine accompanying drawing and embodiment that the utility model is elaborated at present:

Fig. 1 is the semi-submersible type buoyancy aid access door vertical section sketch map that the utility model provides;

Fig. 2 is the upright sketch map of looking in the semi-submersible type buoyancy aid access door upper reaches that the utility model provides;

Fig. 3 is the local enlarged diagram that is communicated with control valve among Fig. 1;

Fig. 4 is the local enlarged diagram of alignment pin among Fig. 1.

Among the figure: 1, floating gate; 2, balance adjustment water tank; 3, load chamber; 4, be communicated with control valve; 5, floating gate alignment pin; 6, the oblique zip in door top is decided pull bar; 7, locking seat; 8, horn mouth; 9, power station runner; 10, concrete dam body; 11, locking nut; 12, contraposition adjusting screw(rod); 13, contraposition sleeve; 14, gate alignment pin; 15, dam facing.

The specific embodiment

Like Fig. 1, Fig. 2, shown in Figure 3, Fig. 1 is a semi-submersible type floating gate vertical section example schematic of utilizing present embodiment to provide, and Fig. 2 is the upright sketch map of looking in the semi-submersible type floating gate upper reaches that the utility model provides; Fig. 3 is the local enlarged diagram that is communicated with control valve among Fig. 1; The semi-submersible type floating gate comprises floating gate 1; Packed balance adjustment water tank 2 and load chamber 3 distribute in the floating gate 1; Balance adjustment water tank 2 is distributed in the floating gate 1 with load chamber 3 at interval from top to bottom, and the space of load chamber 3 is big, and the space of balance adjustment water tank 2 is little.Open connection control valve 4 load chamber 3 and reservoir are communicated with, load the water-filling cabin from trend and carry out water-filling and draining.Wherein, a among Fig. 1 is the highest reservoir level, and b is a minimum pool level.

As shown in Figure 3, load chamber 3 is interlinked to the outside with floating gate 1 through being communicated with control valve 4.Being communicated with control valve is standard stainless steel universal valve.

Floating gate 1 is a floating box type steel work gate; The upper end of floating gate 1 has left and right sides floating gate alignment pin 5 and the oblique zip in door top to decide pull bar 6; Left and right door pushes up oblique zip to be decided pull bar 6 and is connected with the locking seat 7 of the last horn mouth 8 of concrete dam body 10, about locking seat 7 positions be higher than floating gate 1.Tiltedly zip is decided the steel pull bar that pull bar 6 is the settings of floating gate top.Decide pull bar 6 with the oblique zip in door top floating gate 1 and locking seat 7 are coupled together, accomplish the fixing of floating gate 1.

As shown in Figure 4; Left and right sides floating gate alignment pin 5 is connected with left and right sides locking nut 11 pins respectively, and locking nut 11 connects as one with contraposition sleeve 13, and there is contraposition adjusting screw(rod) 12 contraposition sleeve 13 both sides; Be used to regulate contraposition gate alignment pin 14; Gate alignment pin 14 1 ends and concrete dam facing 15 are fixing, and the other end inserts in the contraposition sleeve 13, and gate alignment pin 14 constitutes cross structure with locking nut 11.Floating gate alignment pin 5 is steel sleeve and the bearing pins that are provided with at the floating gate top.

Concrete dam body 10 constitutes horn mouth 8 structures, and horn mouth 8 forms power station runner 9 naturally.Horn mouth 8 front part sides are for directly building the concrete dam body 10 that forms.The semi-submersible type floating gate 1 that is provided with must be installed in before horn mouth 8 on the concrete dam body 10.Contraposition sleeve 13 is installed on the concrete dam body 10 with locking seat 7.Can find out that by Fig. 1 the power station reservoir level has bigger variation along floating gate 1 short transverse from low to high.Floating gate 1 is along with the reduction buoyancy and the water pressure of reservoir level reduce gradually.And 1 weight of floating gate and the weight that loads water can't reduce, and firm floating gate 1 also in time reduces the loading water in the load chamber 3.When floating gate 1 increases along with the rising buoyancy of reservoir level gradually, need in time to load chamber 3 in, to supply loading water the disengaging block-up position that prevents floating gate 1 because buoyancy increases.

The start building shutoff in table hole, power station and low water stage down-the-hole under the condition of-half creep that is used for diving entirely of semi-submersible type floating gate.Through regulating the water yield in floating gate 1, load chamber 3 and the balance adjustment water tank 2; Floating gate 1 is adjusted to predetermined shutoff height; Make the height and the alignment pin that is installed in the power station dam body 14 height basically identicals of gate top contraposition sleeve 13; Adopt lifting appliance that gate contraposition sleeve 13 is packed into alignment pin 14, accomplish the location of floating gate 1.Make and to realize the shutoff application of floating gate 1 in this way at table hole, power station and low water stage down-the-hole; The alignment device that adopts, locking pull bar and connection control valve are simple in structure; Easy operating can well be realized floating gate 1 firm in the port closing position.

Parts that present embodiment is not described in detail and structure belong to well-known components and the common structure or the conventional means of the industry, here not narration one by one.

Claims

1. semi-submersible type buoyancy aid access door; It is characterized in that: comprise floating gate (1); Packed balance adjustment water tank (2) and load chamber (3) distribute in the floating gate (1); Balance adjustment water tank (2) and load chamber (3) are distributed in the floating gate (1) at interval from top to bottom, and the space of load chamber (3) is big, and the space of balance adjustment water tank (2) is little; Load chamber (3) is interlinked to the outside with floating gate (1) through being communicated with control valve (4).

2. a kind of semi-submersible type buoyancy aid access door according to claim 1; It is characterized in that: the upper end of described floating gate (1) has the oblique zip of left and right sides floating gate alignment pin (5) and door top to decide pull bar (6); Left and right door pushes up oblique zip to be decided pull bar (6) and is connected with the locking seat (7) of the last horn mouth (8) of concrete dam body (10), about locking seat (a 7) position be higher than floating gate (1).

3. a kind of semi-submersible type buoyancy aid access door according to claim 1 is characterized in that: described connection control valve (4) is a standard stainless steel universal valve.

4. a kind of semi-submersible type buoyancy aid access door according to claim 2; It is characterized in that: described left and right sides floating gate alignment pin (5) is connected with left and right sides locking nut (11) pin respectively; Locking nut (11) connects as one with contraposition sleeve (13); There is contraposition adjusting screw(rod) (12) contraposition sleeve (13) both sides, are used to regulate contraposition gate alignment pin (14), and gate alignment pin (14) one ends and concrete dam facing (15) are fixing; The other end inserts in the contraposition sleeve (13), and gate alignment pin (14) constitutes cross structure with locking nut (11).

5. a kind of semi-submersible type buoyancy aid access door according to claim 2 is characterized in that: described concrete dam body (10) constitutes horn mouth (8) structure, and horn mouth (8) forms power station runner (9) naturally.

6. a kind of semi-submersible type buoyancy aid access door according to claim 2 is characterized in that: described floating gate alignment pin (5) is steel sleeve and the bearing pin that is provided with at floating gate (1) top.

7. a kind of semi-submersible type buoyancy aid access door according to claim 2 is characterized in that: it is the steel pull bar that the floating gate top is provided with that the oblique zip in described door top is decided pull bar (6).