CN210179153U

CN210179153U - Axial compensator for hydropower station

Info

Publication number: CN210179153U
Application number: CN201920780936.9U
Authority: CN
Inventors: Li Zhang; 张莉
Original assignee: Yixing Maigao Bellows Co Ltd
Current assignee: Yixing Maigao Bellows Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-24
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a hydropower station axial compensator, which comprises a compensator main body, a fixed protective sleeve, a movable sliding sleeve, a humidity sensor and a manual valve, wherein the compensator main body is arranged into a tubular structure, a corrugated pipe part is arranged at the middle position of the compensator main body, the corrugated pipe part is connected with the compensator main body by welding, the fixed protective sleeve is sleeved on the outer surface of the compensator main body, one side of the fixed protective sleeve is welded on the outer surface of the compensator main body, the corrugated pipe part is accommodated in the fixed protective sleeve, a sealing rubber ring limiting ring is arranged on the inner wall of the other side of the fixed protective sleeve, the utility model can protect the corrugated pipe part by the fixed protective sleeve, so that the corrugated pipe part is not easy to be damaged by external impact, and the movable sliding sleeve is matched with the fixed protective sleeve, so that the water body is not easy to run off when the corrugated pipe part leaks.

Description

Axial compensator for hydropower station

Technical Field

The utility model relates to a compensator technical field specifically is a power station axial compensator.

Background

Compensators are also conventionally called expansion joints, or expansion joints. It is composed of bellows (an elastic element) and its working body, end pipe, support, flange and guide pipe. Belongs to a compensating element. The effective telescopic deformation of the working body corrugated pipe is utilized to absorb the dimensional change of pipelines, conduits, containers and the like caused by expansion and contraction due to heat and the like or compensate the axial, transverse and angular displacement of the pipelines, the conduits, the containers and the like. And can also be used for noise reduction and vibration reduction. Has wide application in modern industry. In order to prevent the pipeline from deforming or breaking due to thermal elongation or temperature stress when the heating pipeline is heated, a compensator is required to be arranged on the pipeline to compensate the thermal elongation of the pipeline, so that the stress of the pipeline wall and the acting force acting on the valve member or the bracket structure are reduced.

After the existing axial compensator is used for a long time, the corrugated pipe part for compensation is easily damaged to cause liquid loss after the corrugated pipe part is stretched and contracted for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power station axial compensator aims at improving the problem in the background art.

The utility model discloses a realize like this:

an axial compensator of a hydropower station comprises a compensator main body, a fixed protective sleeve, a movable sliding sleeve, a humidity sensor and a manual valve, wherein the compensator main body is of a tubular structure, and the middle position of the compensator main body is provided with a corrugated pipe part which is connected with the compensator main body by welding, the fixed protective sleeve is sleeved on the outer surface of the compensator main body, and one side of the fixing sheath is welded on the outer surface of the compensator main body, the bellows portion is received inside the fixing sheath, a sealing rubber ring limiting ring is arranged on the inner wall of the other side of the fixing protective sleeve, the sealing rubber ring limiting ring and the fixing protective sleeve are of an integrated structure, the movable sliding sleeve is sleeved on the outer surface of the compensator main body and is fixedly connected with the side face of the other side of the fixed protective sleeve through a screw.

Furthermore, movable sliding sleeve comprises sliding sleeve and sealing rubber circle, sealing rubber circle passes through screw and one side fixed connection of sliding sleeve, sealing rubber circle and compensator main part interference fit, sliding sleeve and compensator main part clearance fit.

Furthermore, the inboard of sealing rubber circle is half the inboard surface of wrapping up the sliding sleeve, the screw through-hole has been seted up to equidistant on the surface of sliding sleeve, equidistant the screw through-hole has been seted up on the surface of sealing rubber circle.

Further, bolt through holes are circumferentially distributed on the side faces of the two sides of the compensator main body at equal intervals, a water outlet is formed in one side of the surface of the bottom of the fixed protective sleeve, the water outlet and the fixed protective sleeve are of an integrated structure, and a manual valve is installed on the water outlet.

Further, a sensor mounting hole is formed in the other side of the bottom of the fixing protective sleeve, the humidity sensor is inserted into the sensor mounting hole, the humidity sensor is fixedly connected with the fixing protective sleeve through a screw, and a signal end of the humidity sensor is located outside the fixing protective sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses a bellows part is acceptd at fixed protective sheath for the bellows part is difficult for receiving external striking and destroys, through mutually supporting of movable sliding sleeve and fixed protective sheath, makes the inner space of fixed protective sheath become comparatively sealed region, is favorable to making when the bellows part takes place a small amount of leakages, and the liquid of carrying is stayed in the airtight space that movable sliding sleeve and fixed protective sheath are constituteed.

2. The movable sliding sleeve adopts a sealing rubber ring to be in interference fit with the compensator main body, so that the expansion compensation effect of the corrugated pipe part is not influenced when sealing is carried out.

3. Humidity transducer can detect the humidity in the airtight space, is favorable to in time discovering the bellows part and takes place to leak, and humidity transducer needs supply power when using, need use the data line to be connected humidity transducer with the control computer simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall internal structure of a hydroelectric power station axial compensator according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a movable sleeve construction of an axial compensator of the hydroelectric power station shown in FIG. 1;

FIG. 3 is a schematic view of a fixed protective sheath of the axial compensator of the hydroelectric power station shown in FIG. 1;

FIG. 4 is a schematic diagram of the overall configuration of one of the hydroelectric power station axial compensators shown in FIG. 1;

FIG. 5 is a schematic side view of the entire axial compensator of a hydroelectric power station shown in FIG. 1.

In the figure: 1. a compensator main body; 2. fixing a protective sleeve; 3. a movable sliding sleeve; 4. a bellows portion; 5. a water outlet; 6. a manual valve; 7. a humidity sensor; 8. a sensor mounting hole; 9. sealing the rubber ring; 10. a sliding sleeve; 11. sealing a rubber ring limit ring; 12. and a bolt through hole.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, 3 and 4, the axial compensator of the hydropower station comprises a compensator main body 1, a fixed protective sleeve 2, a movable sliding sleeve 3, a humidity sensor 7 and a manual valve 6, wherein the compensator main body 1 is provided with a tubular structure, and the middle position of the compensator main body 1 is provided with a corrugated pipe part 4, the corrugated pipe part 4 is connected with the compensator main body 1 by welding, the fixed protective sleeve 2 is sleeved on the outer surface of the compensator main body 1, one side of the fixed protective sleeve 2 is welded on the outer surface of the compensator main body 1, the corrugated pipe part 4 is accommodated in the fixed protective sleeve 2, the inner wall of the other side of the fixed protective sleeve 2 is provided with a sealing rubber ring limiting ring 11, the sealing rubber ring limiting ring 11 and the fixed protective sleeve 2 are of an integrated structure, the movable sliding sleeve 3 is sleeved on the outer surface of the compensator main body 1, and the movable sliding sleeve 3 is fixedly connected with the other side face of the fixed protective sleeve 2 through a screw.

Referring to fig. 1 and 2, the movable sliding sleeve 3 is composed of a sliding sleeve 10 and a sealing rubber ring 9, the sealing rubber ring 9 is fixedly connected with one side face of the sliding sleeve 10 through a screw, the sealing rubber ring 9 is in interference fit with the compensator main body 1, and the sliding sleeve 10 is in clearance fit with the compensator main body 1.

Referring to fig. 2, the inner side of the sealing rubber ring 9 is wrapped around the inner side surface of the sliding sleeve 10, screw through holes are formed in the surface of the sliding sleeve 10 at equal intervals, and screw through holes are formed in the surface of the sealing rubber ring 9 at equal intervals.

Referring to fig. 1 and 5, bolt through holes 12 are circumferentially distributed on two side surfaces of the compensator main body 1 at equal intervals, a water outlet 5 is arranged on one side of the bottom surface of the fixing protective sleeve 2, the water outlet 5 and the fixing protective sleeve 2 are of an integrated structure, and a manual valve 6 is mounted on the water outlet 5.

Referring to fig. 1, sensor mounting hole 8 has been seted up to fixed protective sheath 2's bottom opposite side, and humidity transducer 7 pegs graft in the inside of sensor mounting hole 8, and humidity transducer 7 passes through screw and fixed protective sheath 2 fixed connection, and humidity transducer 7's signal end is located the outside of fixed protective sheath 2.

The utility model discloses a theory of operation is: the bellows part 4 of the utility model is accommodated in the fixed protective sleeve 2, so that the bellows part 4 is not easy to be damaged by external impact, through the mutual matching of the movable sliding sleeve 3 and the fixed protective sleeve 2, the inner space of the fixed protective sleeve 2 becomes a sealed area, which is beneficial to ensuring that when the corrugated pipe part 4 leaks a little, the liquid to be transported is left in the closed space formed by the movable sliding sleeve 3 and the fixed protective sleeve 2, the movable sliding sleeve 3 adopts a sealing rubber ring 9 to be in interference fit with the compensator main body 1, thereby, when sealing, the expansion compensation effect of the corrugated pipe part 4 is not influenced, and simultaneously, the humidity sensor 7 can detect the humidity in the closed space, thereby being beneficial to finding out the leakage of the corrugated pipe part 4 in time, when the humidity sensor 7 is used, power needs to be supplied, and meanwhile, the humidity sensor 7 needs to be connected with a monitoring computer through a data line.

While the invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a power station axial compensator, includes compensator main part (1), fixed protective sheath (2), movable sliding sleeve (3), humidity transducer (7) and manual valve (6), its characterized in that: the compensator main body (1) is of a tubular structure, a corrugated pipe part (4) is arranged in the middle of the compensator main body (1), the corrugated pipe part (4) is connected with the compensator main body (1) by welding, the fixed protective sleeve (2) is sleeved on the outer surface of the compensator main body (1), and one side of the fixing protective sleeve (2) is welded on the outer surface of the compensator main body (1), the bellows portion (4) is housed inside the fixing sock (2), a sealing rubber ring limiting ring (11) is arranged on the inner wall of the other side of the fixed protective sleeve (2), the sealing rubber ring limit ring (11) and the fixed protective sleeve (2) are of an integrated structure, the movable sliding sleeve (3) is sleeved on the outer surface of the compensator main body (1), and the movable sliding sleeve (3) is fixedly connected with the other side face of the fixed protective sleeve (2) through a screw.

2. A hydroelectric power station axial compensator according to claim 1 in which: the movable sliding sleeve (3) is composed of a sliding sleeve (10) and a sealing rubber ring (9), the sealing rubber ring (9) is fixedly connected with one side face of the sliding sleeve (10) through a screw, the sealing rubber ring (9) is in interference fit with the compensator main body (1), and the sliding sleeve (10) is in clearance fit with the compensator main body (1).

3. A hydroelectric power station axial compensator according to claim 1 or claim 2, wherein: the inner side of the sealing rubber ring (9) is wrapped on the inner side surface of the sliding sleeve (10), screw through holes are formed in the surface of the sliding sleeve (10) at equal intervals, and screw through holes are formed in the surface of the sealing rubber ring (9) at equal intervals.

4. A hydroelectric power station axial compensator according to claim 1 in which: the compensator is characterized in that bolt through holes (12) are distributed on the side faces of the two sides of the compensator main body (1) at equal intervals in a circumferential mode, a water outlet (5) is arranged on one side of the surface of the bottom of the fixed protective sleeve (2), the water outlet (5) and the fixed protective sleeve (2) are of an integrated structure, and a manual valve (6) is installed on the water outlet (5).

5. A hydroelectric power station axial compensator according to claim 1 in which: sensor mounting hole (8) have been seted up to the bottom opposite side of fixed protective sheath (2), humidity transducer (7) are pegged graft in the inside of sensor mounting hole (8), and humidity transducer (7) pass through screw and fixed protective sheath (2) fixed connection, and the signal end of humidity transducer (7) is located the outside of fixed protective sheath (2).