Support Component and Tube Bundle Fixing Device

Abstract

The present invention provides a support assembly and a tube bundle fixing device, which relate to the technical field of air-cooled tube bundles and include: a fixing member, an adjusting member, and a support main body; the support main body is used to support a countercurrent tube bundle, one side of the adjusting member is connected to the support main body, and the other side of the adjusting member is connected to the fixing member. The adjusting member is configured to be able to drive the support main body to move relative to the fixing member so as to adjust the distance between the support main body and the fixing member. Since an adjusting member is provided between the support main body and the fixing member and the adjusting member is connected to the support main body, only by driving the adjusting member to move relative to the fixing member, the support main body connected to the adjusting member can be driven to move relative to the fixing member, and the distance between the support main body and the fixing member can be adjusted, thus alleviating the technical problem of inconvenient adjustment of the height position of the countercurrent tube bundle existing in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of air-cooled tube bundles, and more particularly to a support assembly and a tube bundle fixing device. Background Art

[0002] In a direct air-cooling system, the exhaust steam of a steam turbine is sent through thick exhaust pipes to an air-cooled condenser arranged outdoors. Axial-flow cooling fans make air flow over the outer surface of the radiator to cool the exhaust steam into water, and the condensed water is then pumped back to the regenerative system of the steam turbine through a condensate pump.

[0003] Currently, the direct air-cooling system is composed of multiple air-cooling units arranged in multiple rows and columns according to the unit capacity. Each row of air-cooling units is respectively composed of multiple counter-flow tube bundles and multiple parallel-flow tube bundles. During the installation process, it is often necessary to adjust the height position of the counter-flow tube bundles.

[0004] However, in the prior art, once the position of the counter-flow tube bundle is fixed, only the original bracket can be removed. After adjusting the height position of the counter-flow tube bundle, a new bracket needs to be reinstalled for fixing, and it is inconvenient to adjust the height position of the counter-flow tube bundle subsequently. Summary of the Invention

[0005] The purpose of the present invention is to provide a support assembly and a tube bundle fixing device to alleviate the technical problem of inconvenient adjustment of the height position of the counter-flow tube bundle existing in the prior art.

[0006] In a first aspect, the support assembly provided by the present invention includes: a fixing member, an adjusting member, and a support main body;

[0007] The support main body is used to support the counter-flow tube bundle. One side of the adjusting member is connected to the support main body, and the other side of the adjusting member is connected to the fixing member. The adjusting member is configured to be able to drive the support main body to move relative to the fixing member to adjust the distance between the support main body and the fixing member.

[0008] In an alternative embodiment,

[0009] The adjusting member includes an adjusting plate, a fixing plate, and a fixing screw;

[0010] The fixing plate is fixedly connected to the fixing member. The adjusting plate is connected to the fixing plate through the fixing screw. A sliding path is provided on the fixing screw, and the fixing screw can move along the sliding path.

[0011] In an alternative embodiment,

[0012] The adjusting member further includes a fastening nut;

[0013] The fastening nut is located on the side of the fixing plate away from the adjusting plate, and the fastening nut is threadedly connected to the fixing screw.

[0014] In an alternative embodiment,

[0015] The adjusting member further includes a telescopic part;

[0016] The telescopic part is connected to the adjusting plate, the telescopic part is connected to the support body, and the adjusting plate drives the support body to move through the telescopic part.

[0017] In an alternative embodiment,

[0018] The telescopic part includes a hydraulic cylinder and a hydraulic rod;

[0019] The hydraulic rod is telescopically installed in the hydraulic cylinder, the adjusting plate is connected to the hydraulic cylinder, and one end of the hydraulic rod extending out of the hydraulic cylinder is connected to the support body.

[0020] In an alternative embodiment,

[0021] The distance that the hydraulic rod can telescopically move relative to the hydraulic cylinder is 0 to 10 mm.

[0022] In an alternative embodiment,

[0023] The fixing member includes a support bottom plate and a fixing sleeve;

[0024] The fixing sleeve is arranged on the support bottom plate, and the fixing plate is connected to the outer wall of the fixing sleeve.

[0025] In an alternative embodiment,

[0026] The fixing member further includes an elastic member;

[0027] The elastic member is arranged in the fixing sleeve, and the elastic member is configured to be able to generate an elastic force acting on the support body.

[0028] In an alternative embodiment,

[0029] A connecting member is arranged on the support body, and one end of the connecting member away from the support body is connected to the elastic member.

[0030] In a second aspect, the tube bundle fixing device provided by the present invention includes the support assembly.

[0031] The support assembly provided by the present invention includes: a fixed member, an adjustment member, and a support main body; the support main body is used to support the countercurrent tube bundle, one side of the adjustment member is connected to the support main body, the other side of the adjustment member is connected to the fixed member, and the adjustment member is configured to be able to drive the support main body to move relative to the fixed member so as to adjust the distance between the support main body and the fixed member. Since an adjustment member is provided between the support main body and the fixed member, and the adjustment member is connected to the support main body, only by driving the adjustment member to move relative to the fixed member, and then driving the support main body connected to the adjustment member to move relative to the fixed member, the distance between the support main body and the fixed member can be adjusted, alleviating the technical problem of inconvenient adjustment of the height position of the countercurrent tube bundle existing in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0033] Figure 1 It is a schematic diagram of the overall structure of the support assembly provided by an embodiment of the present invention.

[0034] Reference numerals: 100 - fixed member; 110 - support base plate; 120 - fixed sleeve; 130 - elastic member; 200 - adjustment member; 210 - adjustment plate; 220 - fixing plate; 230 - fixing screw; 240 - fastening nut; 300 - support main body; 310 - connecting member; 400 - telescopic part; 410 - hydraulic cylinder; 420 - hydraulic rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and illustrated herein can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the present invention claimed, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0037] It should be noted that like reference numerals and letters refer to like items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the figures, or the orientation or positional relationship in which the inventive product is customarily placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0039] Furthermore, terms such as "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0040] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0041] The following will describe in detail some embodiments of the present invention with reference to the accompanying figures. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0042] As Figure 1 shown, the support assembly provided in this embodiment includes: a fixed member 100, an adjustment member 200, and a support body 300; the support body 300 is used to support the countercurrent tube bundle, one side of the adjustment member 200 is connected to the support body 300, the other side of the adjustment member 200 is connected to the fixed member 100, and the adjustment member 200 is configured to be able to drive the support body 300 to move relative to the fixed member 100 to adjust the distance between the support body 300 and the fixed member 100.

[0043] Specifically, the support body 300 includes an upper support and a lower support. The upper support and the lower support enclose an area for fixing the countercurrent tube bundle. The countercurrent tube bundle is placed between the upper support and the lower support. The adjusting member 200 is connected to the lower support in the support body 300. When it is necessary to adjust the height of the countercurrent tube bundle, the adjusting member 200 is driven to move, so that the adjusting member 200 moves relative to the fixing member 100, and the support body 300 and the adjusting member 200 move together, thereby changing the distance between the support body 300 and the fixing member 100 and adjusting the height of the countercurrent tube bundle on the support body 300.

[0044] The support assembly provided in this embodiment includes: a fixing member 100, an adjusting member 200, and a support body 300; the support body 300 is used to support the countercurrent tube bundle. One side of the adjusting member 200 is connected to the support body 300, and the other side of the adjusting member 200 is connected to the fixing member 100. The adjusting member 200 is configured to be able to drive the support body 300 to move relative to the fixing member 100 to adjust the distance between the support body 300 and the fixing member 100. Since the adjusting member 200 is provided between the support body 300 and the fixing member 100 and the adjusting member 200 is connected to the support body 300, only by driving the adjusting member 200 to move relative to the fixing member 100, and then driving the support body 300 connected to the adjusting member 200 to move relative to the fixing member 100, the distance between the support body 300 and the fixing member 100 is adjusted, which alleviates the technical problem of inconvenient adjustment of the height position of the countercurrent tube bundle existing in the prior art.

[0045] On the basis of the above embodiment, in an alternative embodiment, the adjusting member 200 in the support assembly provided in this embodiment includes an adjusting plate 210, a fixing plate 220, and a fixing screw 230; the fixing plate 220 is fixedly connected to the fixing member 100, the adjusting plate 210 is connected to the fixing plate 220 through the fixing screw 230, and a sliding path is provided on the fixing screw 230, and the fixing screw 230 can move along the sliding path.

[0046] Specifically, the adjusting plate 210 and the fixing plate 220 are connected through the fixing screw 230, and the adjusting plate 210 can slide along the surface of the fixing screw 230. When it is necessary to adjust the height of the countercurrent tube bundle, the fixation between the adjusting plate 210 and the fixing plate 220 is unlocked, and the adjusting plate 210 moves along the fixing screw 230, and the support body 300 connected to the adjusting plate 210 moves together, thereby adjusting the height of the countercurrent tube bundle.

[0047] In an alternative embodiment, the adjusting member 200 further includes a fastening nut 240; the fastening nut 240 is located on the side of the fixing plate 220 away from the adjusting plate 210, and the fastening nut 240 is threadedly connected to the fixing screw 230.

[0048] Specifically, a fastening nut 240 is provided on the fixing screw 230 on the side of the fixing plate 220 away from the adjusting plate 210. The fixing screw 230 is locked by the fastening nut 240, and the fixing plate 220 and the adjusting plate 210 connected to the fixing screw 230 are fixed.

[0049] In addition, a fastening nut 240 can also be provided on the side of the adjusting plate 210 close to the fixing plate 220. The fastening nut 240 bears part of the gravity of the adjusting plate 210, and the locking effect is better.

[0050] In the support assembly provided in this embodiment, through the arrangement of the adjusting plate 210, the fixing plate 220 and the fixing screw 230, when the fixing screw 230 is in the unlocked state, the adjusting plate 210 moves along the fixing screw 230, driving the support main body 300 connected to the adjusting plate 210 to move, and adjusting the specific position of the support main body 300.

[0051] On the basis of the above embodiment, in an alternative embodiment, the adjusting member 200 in the support assembly provided in this embodiment further includes a telescopic part 400; the telescopic part 400 is connected to the adjusting plate 210, the telescopic part 400 is connected to the support main body 300, and the adjusting plate 210 drives the support main body 300 to move through the telescopic part 400.

[0052] Specifically, the adjusting plate 210 is fixedly connected to the telescopic part 400. During the movement of the adjusting plate 210, the telescopic part 400 is driven to move together. The extending end of the telescopic part 400 abuts against the support main body 300, and then the support main body 300 is pushed to move through the telescopic part 400.

[0053] The traditional air-cooled tube bundle adopts the hoisting method of the A-type steel structure frame. During the operation of the system, especially during start-up and shutdown in winter, the expansion and contraction of the air-cooled tube bundle are restricted by the upper and lower headers, resulting in potential safety hazards of cracking of the sealing welds between the tube sheet and the base tubes during the expansion or contraction process. This problem is mainly prominent in the counter-flow tube bundle because the temperature during the steam condensation process in the co-current tube bundle is relatively constant and the change range is small. When the external temperature changes greatly, the steam volume in the counter-flow tube bundle changes very significantly, resulting in a large change in the expansion or contraction amount of the finned tubes in the counter-flow tube bundle, causing the problem of cracking of the welds between the finned tubes and the tube sheet in the counter-flow tube bundle, and further causing the counter-flow tube bundle to fail to meet the requirements of system operation. In an alternative embodiment, the telescopic part 400 includes a hydraulic cylinder 410 and a hydraulic rod 420; the hydraulic rod 420 is telescopically installed in the hydraulic cylinder 410, the adjusting plate 210 is connected to the hydraulic cylinder 410, and one end of the hydraulic rod 420 extending out of the hydraulic cylinder 410 is connected to the support main body 300.

[0054] Specifically, the adjusting plate 210 is fixedly connected to the outer wall of the hydraulic cylinder 410. During the movement of the adjusting plate 210, the hydraulic cylinder 410 is filled with liquid. The relative position between the fixed hydraulic rod 420 and the hydraulic cylinder 410 is fixed to prevent the hydraulic rod 420 from retracting into the hydraulic cylinder 410 during the movement. After fixing the position of the countercurrent tube bundle, the adjusting plate 210 is locked. With the adjusting plate 210 fixed, the liquid in the hydraulic cylinder 410 flows back and is withdrawn, and there is no liquid in the hydraulic cylinder 410. The hydraulic rod 420 can retract into the hydraulic cylinder 410, thereby enabling the support body 300 to have a certain amount of telescopic displacement. When the countercurrent tube bundle expands, the tube sheet connected to the countercurrent tube bundle receives a downward force, tearing the weld between the countercurrent tube bundle and the tube sheet. Due to the existence of the telescopic displacement, the support body 300 can move downward, and the tube sheet moves downward together with the support body 300, reducing the force on the tube sheet, thereby protecting the tube sheet and the countercurrent tube bundle.

[0055] In an alternative embodiment, the retractable distance of the hydraulic rod 420 relative to the hydraulic cylinder 410 is 0 - 10 mm.

[0056] Specifically, the maximum distance between the hydraulic rod 420 and the bottom of the hydraulic cylinder 410 is 10 mm, that is, the support body 300 has a downward displacement of 10 mm.

[0057] In an alternative embodiment, the fixing member 100 includes a support base plate 110 and a fixing sleeve 120; the fixing sleeve 120 is disposed on the support base plate 110, and the fixing plate 220 is connected to the outer wall of the fixing sleeve 120.

[0058] Specifically, the fixing sleeve 120 is fixed on the support base plate 110, the fixing plate 220 is fixedly connected to the outer wall of the fixing sleeve 120, the adjusting plate 210 has a circular hole, and the fixing sleeve 120 can pass through the circular hole to ensure that the adjusting plate 210 can move smoothly.

[0059] In an alternative embodiment, the fixing member 100 further includes an elastic member 130; the elastic member 130 is disposed within the fixing sleeve 120, and the elastic member 130 is configured to be able to generate an elastic force acting on the support body 300.

[0060] Specifically, the elastic member 130 is installed within the fixing sleeve 120. The elastic member 130 is specifically a disc spring. The bottom of the elastic member 130 is fixedly connected to the support base plate 110, and the other end of the elastic member 130 is connected to the support body 300. The elastic force generated by the elastic member 130 acts on the support body 300. When the countercurrent tube bundle on the support body 300 expands due to heat, the support body 300 has a downward tendency, the elastic member 130 is compressed, and the elastic force generated by the elastic member 130 prevents the support body 300 from having too large a downward displacement, enabling the support body 300 to have upward elastic potential energy.

[0061] In an alternative embodiment, a connecting member 310 is provided on the support body 300, and one end of the connecting member 310 away from the support body 300 is connected to the elastic member 130.

[0062] Specifically, a connecting member 310 is provided between the support body 300 and the elastic member 130. The connecting member 310 is fixedly connected to the support body 300. The connecting member 310 is specifically a connecting rod. A through hole is formed in the adjusting plate 210. The connecting member 310 passes through the adjusting plate 210 and is connected to the elastic member 130. The elastic force generated by the elastic member 130 acts on the support body 300 through the connecting member 310.

[0063] The connecting member 310 is specifically provided with two, and the two connecting members 310 are respectively connected to the support body 300 and the elastic member 130.

[0064] In addition, it should be noted that since the countercurrent tube bundle in the support body 300 is placed obliquely, when the countercurrent tube bundle expands, the lower support in the support body 300 receives a force obliquely downward. Therefore, the supporting position of the connecting member 310 is on one side of the lower support, rather than the central position of the support body 300. The connection position between the connecting member 310 and the support body 300 is changed according to the actual situation.

[0065] In the support assembly provided in this embodiment, through the settings of the hydraulic cylinder 410 and the hydraulic rod 420, during the adjustment process of the height position of the countercurrent tube bundle, the movement of the hydraulic cylinder 410 drives the support body 300 to move together through the hydraulic rod 420 to adjust the height of the countercurrent tube bundle; through the cooperation of the elastic member 130 and the connecting member 310, the support body 300 has upward elastic potential energy, which plays a supporting role and at the same time enables the support body 300 to have a certain amount of movement.

[0066] In a second aspect, the tube bundle fixing device provided in this embodiment includes a support assembly.

[0067] Since the technical effects of the tube bundle fixing device provided in this embodiment are the same as those of the above-mentioned support assembly, they will not be elaborated here.

[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A support component, characterized in that, Comprising: A fixed member (100), an adjusting member (200) and a support body (300); The support body (300) is used to support a countercurrent tube bundle. One side of the adjusting member (200) is connected to the support body (300), and the other side of the adjusting member (200) is connected to the fixed member (100). The adjusting member (200) is configured to be able to drive the support body (300) to move relative to the fixed member (100) to adjust the distance between the support body (300) and the fixed member (100); The adjusting member (200) includes an adjusting plate (210), a fixing plate (220) and a fixing screw (230); The fixing plate (220) is fixedly connected to the fixed member (100). The adjusting plate (210) is connected to the fixing plate (220) through the fixing screw (230). A sliding path is provided on the fixing screw (230), and the fixing screw (230) can move along the sliding path; The adjusting member (200) further includes a telescopic part (400); The telescopic part (400) is connected to the adjusting plate (210), and the telescopic part (400) is connected to the support body (300). The adjusting plate (210) drives the support body (300) to move through the telescopic part (400); The fixed member (100) includes a support bottom plate (110) and a fixed sleeve (120); The fixed sleeve (120) is arranged on the support bottom plate (110), and the fixing plate (220) is connected to the outer wall of the fixed sleeve (120); The fixed member (100) further includes an elastic member (130); The elastic member (130) is arranged in the fixed sleeve (120), and the elastic member (130) is configured to be able to generate an elastic force acting on the support body (300); A connecting member (310) is arranged on the support body (300), and one end of the connecting member (310) far from the support body (300) is connected to the elastic member (130); The adjusting member (200) further includes a fastening nut (240); The fastening nut (240) is located on the side of the fixing plate (220) far from the adjusting plate (210), and the fastening nut (240) is threadedly connected to the fixing screw (230); The telescopic part (400) includes a hydraulic cylinder (410) and a hydraulic rod (420); The hydraulic rod (420) is telescopically installed in the hydraulic cylinder (410). The adjusting plate (210) is connected to the hydraulic cylinder (410), and one end of the hydraulic rod (420) extending out of the hydraulic cylinder (410) is connected to the support body (300).

2. The support assembly according to claim 1, wherein The distance that the hydraulic rod (420) can telescopically move relative to the hydraulic cylinder (410) is 0 - 10 mm.

3. A tube bundle fixing device, characterized in that, Comprising the support assembly according to claim 1 or 2.

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