CN220750930U - Sealing supporting device for air cooling island tube bundle - Google Patents

Abstract

The utility model discloses an air cooling island tube bundle sealing support device which comprises a sealing tube body, wherein the right end opening of the sealing tube body is smaller than the left end opening, the left end of the sealing tube body is fixedly connected with a sealing flange, a plurality of clamping plates are connected in a sliding manner in the sealing tube body, and an adjusting mechanism for adjusting the clamping plates is arranged in the sealing tube body. The utility model can protect the two ends of the pipe bundle, can adapt to air cooling island pipe bundles with different sizes, and has wider application range.

Description

Sealing supporting device for air cooling island tube bundle

Technical Field

The utility model particularly relates to the field of air cooling islands, in particular to a sealing and supporting device for a tube bundle of an air cooling island.

Background

The air cooling island is used for cooling the stator, the rotor winding and the stator core of the generator by using air as a cooling medium, is actually an image name of an air cooling device of a power plant, mainly comprises 56 fans, has the functions of cooling high-temperature steam, is called an air cooler for short, and can be used as a cooler or a condenser by using air as a cooling agent. The air cooler mainly comprises a tube bundle, a bracket and a fan. The air cooler hot fluid flows within the tubes and air is blown over the tube bundle.

When the air cooling island equipment is used in cold areas, the two ends of the air cooling island tube bundles are prone to cracking due to the fact that the temperature difference is large, so that leakage is caused due to the fact that the tightness of the air cooling island tube bundles is reduced, the air cooling island tube bundles are inconvenient to maintain, and the sealing performance is poor.

Therefore, we propose an air cooling island tube bundle sealing support device to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problems that two ends of a tube bundle of an air cooling island are easy to crack and poor in sealing performance in the prior art, and provides a sealing and supporting device for the tube bundle of the air cooling island.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an air cooling island tube bank seals strutting arrangement, includes the sealed body, the right-hand member opening of sealed body is less than the left end opening, the left end fixedly connected with sealing flange of sealed body, sliding connection has the polylith clamping plate in the sealed body, be equipped with the adjustment mechanism who is used for adjusting polylith clamping plate in the sealed body.

Preferably, the clamping plates are arranged in an arc shape, and a plurality of the clamping plates are distributed in an annular array.

Preferably, an elastic sealing cloth is fixedly connected in the opening at the right end of the sealing tube body, and the elastic sealing cloth is in an annular arrangement.

Preferably, the adjustment mechanism comprises a plurality of grooves arranged in the sealing tube body, a plurality of bidirectional threaded rods are all rotationally connected in the grooves, the right ends of the bidirectional threaded rods are all rotationally penetrated through the sealing tube body and are in transmission connection through the transmission mechanism, two thread blocks are sleeved outside the bidirectional threaded rods and are all in sliding connection with the inner side walls of the grooves, deflection plates are rotationally connected outside the thread blocks, and one ends of the deflection plates, far away from the thread blocks, are rotationally connected with the clamping plates.

Preferably, the transmission mechanism comprises a plurality of gears, the gears are fixedly connected with the bidirectional threaded rod coaxially, the right end of the sealing tube body is connected with a transmission ring in a rotating mode, and annular tooth grooves which are in meshed connection with the gears are formed in the transmission ring.

Preferably, two thread blocks positioned outside the same bidirectional threaded rod are respectively provided with a threaded hole matched with the bidirectional threaded rod, and the threads in the two threaded holes are opposite in rotation direction.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up adjustment mechanism, establish sealed tube body cover at the both ends of air cooling island tube bank, then through rotating the drive ring, the multiple gear of drive ring drive rotates, and multiple gears drive multiple bi-directional threaded rod rotates, and bi-directional threaded rod passes through screw thread piece and deflector plate drive polylith clamping plate relative movement, until offset the contact with air cooling island tube bank, on the one hand can protect the both ends of pipe bank, on the other hand, can adapt to not unidimensional air cooling island tube bank, and application scope is wider.

The utility model can protect the two ends of the pipe bundle and can be adapted to air cooling island pipe bundles with different sizes, applicable to the range is wider.

Drawings

FIG. 1 is a front perspective view of a sealing and supporting device for an air cooling island tube bundle;

FIG. 2 is a schematic side view of a sealing and supporting device for an air cooling island tube bundle;

fig. 3 is a structural perspective view of a clamping plate in the air cooling island tube bundle sealing support device provided by the utility model.

In the figure: the sealing device comprises a sealing pipe body 1, a sealing flange 2, a clamping plate 3, an adjusting mechanism 4, an elastic sealing cloth 5, a groove 6, a bidirectional threaded rod 7, a transmission mechanism 8, a threaded block 9, a deflection plate 10, a gear 11 and a transmission ring 12.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, it will be apparent that the described embodiments are only some, but not all, embodiments of the utility model.

In the description of the present utility model, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. refer to the azimuth or positional relationship based on the azimuth or positional relationship shown in the drawings, it is used merely for convenience in describing the utility model and to simplify the description and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1-3, an air cooling island tube bundle sealing support device comprises a sealing tube body 1, wherein the right end opening of the sealing tube body 1 is smaller than the left end opening, the left end of the sealing tube body 1 is fixedly connected with a sealing flange 2, a plurality of clamping plates 3 are slidably connected in the sealing tube body 1, the clamping plates 3 are in arc-shaped arrangement, the clamping plates 3 are distributed in an annular array, an adjusting mechanism 4 for adjusting the clamping plates 3 is arranged in the sealing tube body 1, the adjusting mechanism 4 comprises a plurality of grooves 6 arranged in the sealing tube body 1, a bidirectional threaded rod 7 is rotatably connected in the grooves 6, the right ends of the bidirectional threaded rods 7 are rotatably connected through the sealing tube body 1 and are in transmission connection through a transmission mechanism 8, and the transmission mechanism 8 comprises a plurality of gears 11.

In the utility model, a plurality of gears 11 are fixedly connected with a bidirectional threaded rod 7 coaxially, the right end of a sealing tube body 1 is rotationally connected with a transmission ring 12, an annular tooth socket which is in meshed connection with the gears 11 is arranged in the transmission ring 12, two thread blocks 9 are sleeved outside the bidirectional threaded rod 7 in a threaded manner, threaded holes matched with the bidirectional threaded rod 7 are respectively arranged on the two thread blocks 9 positioned outside the same bidirectional threaded rod 7, the threads in the two threaded holes are in opposite directions, the two thread blocks 9 are slidingly connected with the inner side wall of a groove 6, a deflection plate 10 is rotationally connected outside the thread blocks 9, one end, away from the thread blocks 9, of the deflection plate 10 is rotationally connected with a clamping plate 3, and it is noted that an elastic sealing cloth 5 is fixedly connected in an opening at the right end of the sealing tube body 1, and the elastic sealing cloth 5 is in annular arrangement.

According to the utility model, the sealing pipe body 1 is sleeved at two ends of an air cooling island pipe bundle and is fixed through the sealing flange 2, then the driving ring 12 is rotated to drive the gears 11 to rotate, the gears 11 drive the two-way threaded rods 7 to rotate, and the two-way threaded rods 7 drive the clamping plates 3 to move relatively through the threaded blocks 9 and the deflection plates 10 until the clamping plates contact with the air cooling island pipe bundle.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. An air cooling island tube bank seals strutting arrangement which characterized in that: comprises a sealing pipe body (1), wherein the opening at the right end of the sealing pipe body (1) is smaller than the opening at the left end, the left end of the sealing pipe body (1) is fixedly connected with a sealing flange (2), the sealing tube body (1) is connected with a plurality of clamping plates (3) in a sliding mode, and an adjusting mechanism (4) used for adjusting the clamping plates (3) is arranged in the sealing tube body (1).

2. The air cooling island tube bundle sealing and supporting device according to claim 1, wherein: the clamping plates (3) are arranged in an arc shape, and a plurality of the clamping plates (3) are distributed in an annular array.

3. The air cooling island tube bundle sealing and supporting device according to claim 1, wherein: an elastic sealing cloth (5) is fixedly connected in the opening at the right end of the sealing tube body (1), and the elastic sealing cloth (5) is in an annular arrangement.

4. The air cooling island tube bundle sealing and supporting device according to claim 1, wherein: the utility model provides an adjusting mechanism (4) is including a plurality of recess (6) that set up in sealed body (1), a plurality of all rotate in recess (6) and be connected with two-way threaded rod (7), many the right-hand member of two-way threaded rod (7) all rotates and runs through sealed body (1) and connect through drive mechanism (8) transmission, two thread blocks (9) are equipped with to two-way threaded rod (7) external equal thread cover, two thread blocks (9) all with recess (6) inside wall sliding connection, thread block (9) external rotation is connected with deflector (10), deflector (10) keep away from the one end and the clamping plate (3) rotation of thread block (9) and be connected.

5. The sealed support device of air cooling island tube bank of claim 4, wherein: the transmission mechanism (8) comprises a plurality of gears (11), the gears (11) are fixedly connected with the bidirectional threaded rod (7) in a coaxial mode, the right end of the sealing tube body (1) is connected with a transmission ring (12) in a rotating mode, and annular tooth grooves which are in meshed connection with the gears (11) are formed in the transmission ring (12).

6. The sealed support device of air cooling island tube bank of claim 4, wherein: two thread blocks (9) positioned outside the same two-way threaded rod (7) are respectively provided with a threaded hole matched with the two-way threaded rod (7), and the threads in the two threaded holes are opposite in screwing direction.