Supporting device for heating turbine cylinder red sleeve ring

Abstract

The utility model relates to the technical field of steam turbine cylinder red sleeve ring processing discloses a kind of steam turbine cylinder red sleeve ring heating support device, and red sleeve ring is preloaded with heating device;The support device has base and support frame;The support frame is connected to the base, and the axial both ends of the support frame are all outside the base;On the support frame, the area outside the base has multiple hanging sites for hanging the red sleeve ring.The utility model can hang multiple red sleeve rings simultaneously, that is, multiple red sleeve rings can be heated simultaneously, which is beneficial to reduce non-operation waiting time and improve assembly efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of machining the red ring of a steam turbine cylinder, specifically, to a support device for heating the red ring of a steam turbine cylinder. Background Technology

[0002] As the main steam parameters of steam turbines become increasingly higher, red collars are commonly used in the industry to tighten the cylinders in order to reduce the risk of leakage at the split surface of the turbine cylinders.

[0003] The traditional method of using a red ring to tighten the cylinder is as follows: a heating device is installed on the red ring, a crane is used to suspend it and start heating, causing the red ring to expand thermally due to the high temperature. Heating is stopped when the diameter of the red ring reaches a predetermined value, the red ring is put into the cylinder, and the cylinder is tightened after the red ring cools and shrinks.

[0004] However, in practice, the above method typically heats only one red ring at a time, and only after that ring is installed can the next red ring be heated and installed. The heating process of the red ring takes a long time, resulting in a long waiting time for non-operational tasks and thus low assembly efficiency. Utility Model Content

[0005] The technical objective of this utility model is to address the shortcomings of the prior art by providing a support device for heating the red rings of a steam turbine cylinder that can simultaneously heat multiple red rings, thereby reducing non-operation waiting time and improving assembly efficiency.

[0006] The technical solution adopted in this utility model is as follows:

[0007] A support device for heating the red ring of a steam turbine cylinder, wherein the red ring is pre-installed with a heating device;

[0008] The support device has a base and a support frame;

[0009] The support frame is connected through the base, and both axial ends of the support frame are outside the base;

[0010] The support frame, in the area outside the base, has multiple mounting points for suspending the red collar.

[0011] The above-mentioned technical measures, by setting multiple hanging positions on the support frame in the area outside the base for hanging red rings, can hang multiple red rings at the same time, thus enabling simultaneous heating of multiple red rings. This helps reduce non-operation waiting time and improves assembly efficiency.

[0012] Furthermore, the base has a bottom plate;

[0013] On the base plate, multiple vertical plates are arranged at intervals along the length of the base plate, and the support frame is connected through the vertical plates.

[0014] Furthermore, the support frame has a first support frame and a second support frame arranged vertically, wherein the length of the first support frame is less than the length of the second support frame;

[0015] The first support frame has a T-shaped cross-section;

[0016] The second support frame has an I-shaped cross-section, and the bottom of the first support frame is connected to the top of the second support frame;

[0017] The first support frame and the second support frame are respectively connected to the vertical plate.

[0018] The above-mentioned technical measures, through the combination of the first support frame and the second support frame, are beneficial to enhancing structural rigidity on the one hand, and facilitating the hanging and removal of large-sized red collars on the other, thereby improving flexibility and versatility.

[0019] Furthermore, at the top of the first support frame, at both ends along the axial direction of the first support frame, there are respectively protruding limiting blocks;

[0020] At the top of the second support frame, at both ends along the axial direction of the second support frame, there are respectively protruding limiting blocks.

[0021] The above-mentioned technical measures, by setting up protruding limiting blocks, help to prevent the red collar from shifting excessively during the hanging process and falling off.

[0022] Furthermore, the first support frame has an integrally formed horizontal and vertical portion;

[0023] The horizontal section is located outside the outermost vertical plate among the multiple vertical plates, and has a hook position for suspending the red collar;

[0024] The vertical part is connected to the second support frame;

[0025] Between the horizontal part and the second support frame, a plurality of first reinforcing ribs are arranged at intervals along the axial direction of the first support frame, and these first reinforcing ribs are arranged on the left and right sides of the vertical part in the axial direction of the first support frame.

[0026] One end of the first reinforcing rib along its length is connected to the horizontal part, and the other end is connected to the second support frame.

[0027] The first support frame in the above technical measures has an integrally formed horizontal and vertical part, which is simple in structure and easy to form; at the same time, by setting the first reinforcing rib, the structural strength can be enhanced, which is conducive to improving the load-bearing capacity of the first support frame and avoiding stress concentration.

[0028] Furthermore, the second support frame has a vertically arranged fixing part and connecting parts located on the upper and lower sides of the fixing part, and the fixing part and the connecting parts located on the upper and lower sides of the fixing part are integrally formed.

[0029] The connecting part on the upper side of the fixing part is connected to the vertical part of the first support frame and the first reinforcing rib;

[0030] The connecting part on the upper side of the fixing part is located in the area outside the outermost vertical plate among the multiple vertical plates, and has a hook position for hanging the red collar;

[0031] Between the connecting parts on the upper and lower sides of the fixing part, a plurality of second reinforcing ribs are arranged at intervals along the axial direction of the second support frame, and these second reinforcing ribs are arranged on the left and right sides of the fixing part in the axial direction of the second support frame.

[0032] One end of the second reinforcing rib along its length is connected to the connecting part on the upper side of the fixing part, and the other end is connected to the connecting part on the lower side of the fixing part.

[0033] The second support frame described above has an integrally formed fixing part and connecting parts located on the upper and lower sides of the fixing part. The structure is simple and easy to form. At the same time, by setting a second reinforcing rib, the structural strength can be enhanced, which is conducive to improving the load-bearing capacity of the second support frame and avoiding stress concentration.

[0034] Furthermore, a lifting plate is connected to the top of the first support frame, and the lifting plate is provided with multiple lifting holes.

[0035] The above-mentioned technical measures, by setting up a lifting plate with multiple lifting holes, can be used in conjunction with lifting equipment to facilitate the handling of the support device.

[0036] Furthermore, a load-bearing plate is connected to the bottom of the second support frame;

[0037] The bottom end of the load-bearing plate is connected to the base plate.

[0038] The above-mentioned technical measures, by setting a load-bearing plate at the bottom of the second support frame, can disperse the force transmitted by the second support frame, which helps to avoid stress concentration, enhance structural strength, and improve the load-bearing capacity and stability of the support device.

[0039] Furthermore, two T-shaped plates are connected to the base plate, and the two T-shaped plates are symmetrically arranged on the front and rear sides of the load-bearing plate in the thickness direction of the load-bearing plate;

[0040] The T-shaped plate is connected to the vertical plate and the load-bearing plate respectively.

[0041] The above-mentioned technical measures, by setting up T-shaped plates, can enhance the structural strength while helping to avoid poor structural stability caused by the shift of the center of gravity.

[0042] Furthermore, the outermost vertical plate among the multiple vertical plates is connected to a support plate, which extends obliquely from bottom to top to the axial end of the second support frame and is connected to the axial end of the second support frame;

[0043] The tray, the vertical plate corresponding to the tray, and the second support frame form a triangular structure.

[0044] The above-mentioned technical measures, by setting up a support plate, can share part of the load, which is beneficial to improving the load-bearing capacity of the support device; the support plate, the corresponding vertical plate and the second support frame form a triangular structure, which is beneficial to enhancing stability.

[0045] One or more technical solutions provided by this utility model have at least the following technical effects or advantages:

[0046] This invention provides multiple hanging positions for suspending red rings on the support frame located outside the base, enabling the simultaneous suspending of multiple red rings and allowing for simultaneous heating of multiple red rings. This reduces non-working waiting time and improves assembly efficiency. Attached Figure Description

[0047] The accompanying drawings, which are provided to further illustrate the embodiments of the present invention and constitute a part of the present invention, do not constitute a limitation thereof.

[0048] Figure 1 This is a schematic diagram of the structure of this utility model;

[0049] Figure 2 This is a front view of the present invention;

[0050] Figure 3 This is a side view of the present invention;

[0051] Figure 4 This is a top view of the present invention;

[0052] Figure 5 This is a schematic diagram illustrating the effect of using this utility model;

[0053] Among them, 1-base plate; 2-vertical plate; 3-first support frame; 4-second support frame; 5-limiting block; 6-first reinforcing rib; 7-second reinforcing rib; 8-load-bearing plate; 9-support plate; 10-T-shaped plate; 11-lifting plate; 12-lifting hole; 13-red collar; 14-heating device;

[0054] A1 - Axial direction of the support frame;

[0055] B1 - Support frame height direction;

[0056] C1 - Width direction of the base plate. Detailed Implementation

[0057] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, where there is no conflict, the embodiments of this utility model and the features within them can be combined with each other.

[0058] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0059] Example 1

[0060] Reference Figures 1-5 This embodiment provides a support device for heating the red ring of a steam turbine cylinder, wherein the red ring 13 is pre-installed with a heating device 14;

[0061] The support device has a base and a support frame;

[0062] The support frame is connected to the base through the entire structure, and both axial ends of the support frame are located outside the base.

[0063] The support frame, in the area outside the base, has multiple mounting points for hanging the red collar 13.

[0064] The base has a base plate 1;

[0065] On the base plate 1, multiple vertical plates 2 are arranged at intervals along the length of the base plate 1. The support frame is connected through the vertical plates 2. In this embodiment, there are two vertical plates 2, but the number of vertical plates 2 can also be adjusted according to actual needs.

[0066] The base plate 1 has multiple bolt holes, through which bolts pass to connect the base plate 1 to the channel iron ground, which helps to prevent the support device from tipping over during use. The specific number of bolt holes depends on the actual situation and is not specifically limited in this embodiment.

[0067] The base plate 1 is connected to the two vertical plates 2 by welding.

[0068] The support frame has a first support frame 3 and a second support frame 4 arranged in an upper and lower position, and the length of the first support frame 3 is less than the length of the second support frame 4.

[0069] The length of the first support frame 3 and the length of the second support frame 4 are determined according to the actual situation. The length refers to the length along the axial direction. The axial direction of the first support frame 3 and the axial direction of the second support frame 4 are the same as the axial direction A1 of the support frame.

[0070] The cross-section of the first support frame 3 is a T-shaped structure;

[0071] The cross-section of the second support frame 4 is an I-shaped structure, and the bottom of the first support frame 3 is connected to the top of the second support frame 4;

[0072] The first support frame 3 and the second support frame 4 are respectively connected to the vertical plate 2.

[0073] At the top of the first support frame 3, at both ends along the axial direction of the first support frame 3, there are protruding limiting blocks 5 respectively;

[0074] At the top of the second support frame 4, at both ends along the axial direction of the second support frame 4, there are protruding limiting blocks 5 respectively.

[0075] The first support frame 3 has an integrally formed horizontal and vertical section;

[0076] The horizontal part is located outside the outermost vertical plate 2 among the multiple vertical plates 2, and has a hook position for hanging the red collar 13; in this embodiment, the horizontal part of the first support frame 3 has two hook positions.

[0077] The vertical part is connected to the second support frame 4;

[0078] Between the horizontal part and the second support frame 4, along the axial direction of the first support frame 3, there are multiple first reinforcing ribs 6 arranged at intervals, and these first reinforcing ribs 6 are arranged on the left and right sides of the vertical part in the axial direction of the first support frame 3.

[0079] One end of the first reinforcing rib 6 along its length is connected to the horizontal part, and the other end is connected to the second support frame 4.

[0080] The second support frame 4 has a vertically arranged fixing part and a connecting part located on the upper and lower sides of the fixing part. The fixing part and the connecting part located on the upper and lower sides of the fixing part are integrally formed.

[0081] The connecting part on the upper side of the fixing part is connected to the vertical part of the first support frame 3 and the first reinforcing rib 6;

[0082] The connecting part on the upper side of the fixing part is located in the area outside the outermost vertical plate 2 among the multiple vertical plates 2, and has a hook position for hanging the red collar 13; in this embodiment, the connecting part on the upper side of the fixing part of the second support frame 4 has two hook positions.

[0083] Between the connecting parts on the upper and lower sides of the fixing part, along the axial direction of the second support frame 4, there are multiple second reinforcing ribs 7 arranged at intervals, and these second reinforcing ribs 7 are arranged on the left and right sides of the fixing part in the axial direction of the second support frame 4.

[0084] One end of the second reinforcing rib 7 along its length is connected to the connecting part on the upper side of the fixing part, and the other end is connected to the connecting part on the lower side of the fixing part.

[0085] The first support frame 3 and the second support frame 4 are connected by welding; the first reinforcing rib 6 is connected by welding to the first support frame 3 and the second support frame; and the second reinforcing rib 7 is connected by welding to the second support frame 4.

[0086] The length directions of the first reinforcing rib 6 and the second reinforcing rib 7 are the same as the height direction B1 of the support frame.

[0087] The top of the first support frame 3 is connected to a lifting plate 11, which has multiple lifting holes 12. In this embodiment, the lifting plate 11 has two lifting holes 12.

[0088] The lifting plate 11 is arranged between the two vertical plates 2 and welded to the two vertical plates 2; the lifting plate 11 is connected to the first support frame 3 by welding.

[0089] The bottom of the second support frame 4 is connected to a load-bearing plate 8;

[0090] The bottom end of the load-bearing plate 8 is connected to the base plate 1.

[0091] The load-bearing plate 8 is arranged between the two vertical plates 2 and is welded to the two vertical plates 2; the load-bearing plate 8 is welded to the base plate 1 and the second support frame 4.

[0092] Two T-shaped plates 10 are connected to the base plate 1, and the two T-shaped plates 10 are symmetrically arranged on the front and rear sides of the load-bearing plate 8 in the thickness direction of the load-bearing plate 8.

[0093] T-shaped plate 10 is connected to vertical plate 2 and load-bearing plate 8 respectively.

[0094] The T-shaped plate 10 is welded to the vertical plate 2 and the load-bearing plate 8. The thickness direction of the load-bearing plate 8 is the same as the width direction C1 of the base plate.

[0095] The outermost vertical plate 2 among the multiple vertical plates 2 is connected to a support plate 9. The support plate 9 extends obliquely from bottom to top to the axial end of the second support frame 4 and is connected to the axial end of the second support frame 4.

[0096] A triangular structure is formed between the support plate 9, the vertical plate 2 corresponding to the support plate 9, and the second support frame 4. In this embodiment, the outermost vertical plate 2 among the multiple vertical plates 2 is the two vertical plates 2 arranged on the base plate 1.

[0097] The pallet 9 is connected to the vertical plate 2 and the second support frame 4 by welding.

[0098] The number of red rings 13 on the turbine cylinder is usually 6 or 7. In this embodiment, 6 are used as an example (i.e., red ring one, red ring two, red ring three, red ring four, red ring five and red ring six).

[0099] In application, the support device is moved to the designated location, and bolts are passed through the bolt holes of the base plate 1 to install and fix the support device on the channel iron ground. Then, the four red rings 13 (i.e., red ring one, red ring two, red ring three, and red ring four) pre-installed with heating devices 14 are sequentially suspended on the support device. First, red ring one and red ring two are heated simultaneously. The heating rate of the heating device 14 is controlled so that the heating rate of the heating device 14 of red ring two is less than that of the heating device 14 of red ring one. The heating rate is adjusted. Once the diameter of the first red ring reaches the required level, the red rings are hoisted together, and installation of the first red ring on the cylinder begins. Simultaneously, heating of the third red ring begins. After the first red ring is installed, the diameter of the second red ring reaches / almost reaches the required level. Once the second red ring reaches the required level, it is hoisted, and installation of the second red ring on the cylinder begins. Simultaneously, heating of the fourth red ring begins. After the second red ring is installed, the diameter of the third red ring reaches... Once the diameter of red ring three reaches the required level / almost meets the requirement, lift red ring three and begin its installation on the cylinder. Simultaneously, suspend red ring five on the support device and begin heating. After red ring three is installed, once the diameter of red ring four reaches the required level / almost meets the requirement, lift red ring four and begin its installation on the cylinder. Simultaneously, suspend red ring six on the support device. Heat is started; after the fourth red ring is installed, the diameter of the fifth red ring reaches / almost reaches the requirement. Once the diameter of the fifth red ring reaches the requirement, the fifth red ring is lifted and the installation of the fifth red ring on the cylinder begins; after the fifth red ring is installed, the diameter of the sixth red ring reaches / almost reaches the requirement. Once the diameter of the sixth red ring reaches the requirement, the sixth red ring is lifted and the installation of the sixth red ring on the cylinder begins; after the sixth red ring is installed, the assembly operation of the third red ring on the cylinder is completed.

[0100] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0101] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A support device for heating the red ring of a steam turbine cylinder, characterized in that: The red collar (13) is pre-installed with a heating device (14); The support device has a base and a support frame; The support frame is connected through the base, and both axial ends of the support frame are outside the base; The support frame, in the area outside the base, has multiple mounting points for suspending the red collar (13).

2. The support device for heating the red ring of a steam turbine cylinder according to claim 1, characterized in that: The base has a base plate (1); On the base plate (1), a plurality of vertical plates (2) are arranged at intervals along the length direction of the base plate (1), and the support frame is connected through the vertical plates (2).

3. The support device for heating the red ring of a steam turbine cylinder according to claim 2, characterized in that: The support frame has a first support frame (3) and a second support frame (4) arranged vertically, and the length of the first support frame (3) is less than the length of the second support frame (4). The first support frame (3) has a T-shaped cross-section; The cross-section of the second support frame (4) is an I-shaped structure, and the bottom of the first support frame (3) is connected to the top of the second support frame (4); The first support frame (3) and the second support frame (4) are respectively connected to the vertical plate (2).

4. The support device for heating the red ring of a steam turbine cylinder according to claim 3, characterized in that: At the top of the first support frame (3), at both ends along the axial direction of the first support frame (3), there are protruding limiting blocks (5). At the top of the second support frame (4), at both ends along the axial direction of the second support frame (4), there are protruding limiting blocks (5).

5. The support device for heating the red ring of a steam turbine cylinder according to claim 3, characterized in that: The first support frame (3) has an integrally formed horizontal and vertical section; The horizontal part is located outside the outermost vertical plate (2) among the multiple vertical plates (2), and has a hook position for hanging the red collar (13); The vertical part is connected to the second support frame (4); Between the horizontal part and the second support frame (4), a plurality of first reinforcing ribs (6) are arranged at intervals along the axial direction of the first support frame (3), and these first reinforcing ribs (6) are arranged on the left and right sides of the vertical part in the axial direction of the first support frame (3). One end of the first reinforcing rib (6) along the length direction of the first reinforcing rib (6) is connected to the horizontal part, and the other end is connected to the second support frame (4).

6. The support device for heating the red ring of a steam turbine cylinder according to claim 5, characterized in that: The second support frame (4) has a vertically arranged fixing part and a connecting part located on the upper and lower sides of the fixing part. The fixing part and the connecting part located on the upper and lower sides of the fixing part are integrally formed. The connecting part on the upper side of the fixing part is connected to the vertical part of the first support frame (3) and the first reinforcing rib (6); The connecting part on the upper side of the fixing part is located outside the outermost vertical plate (2) among the multiple vertical plates (2), and has a hook position for hanging the red collar (13); Between the connecting parts on the upper and lower sides of the fixing part, a number of second reinforcing ribs (7) are arranged at intervals along the axial direction of the second support frame (4), and these second reinforcing ribs (7) are arranged on the left and right sides of the fixing part in the axial direction of the second support frame (4). One end of the second reinforcing rib (7) along the length direction of the second reinforcing rib (7) is connected to the connecting part on the upper side of the fixing part, and the other end is connected to the connecting part on the lower side of the fixing part.

7. The support device for heating the red ring of a steam turbine cylinder according to claim 3, characterized in that: The top of the first support frame (3) is connected to a lifting plate (11), and the lifting plate (11) is provided with multiple lifting holes (12).

8. The support device for heating the red ring of a steam turbine cylinder according to claim 3, characterized in that: The bottom of the second support frame (4) is connected to a load-bearing plate (8); The bottom end of the load-bearing plate (8) is connected to the base plate (1).

9. The support device for heating the red ring of a steam turbine cylinder according to claim 8, characterized in that: Two T-shaped plates (10) are connected to the base plate (1), and the two T-shaped plates (10) are symmetrically arranged on the front and rear sides of the load-bearing plate (8) in the thickness direction of the load-bearing plate (8); The T-shaped plate (10) is connected to the vertical plate (2) and the load-bearing plate (8) respectively.

10. The support device for heating the red ring of a steam turbine cylinder according to claim 3, characterized in that: The outermost vertical plate (2) among the multiple vertical plates (2) is connected to a support plate (9), which extends obliquely from bottom to top to the axial end of the second support frame (4) and is connected to the axial end of the second support frame (4); A triangular structure is formed between the tray (9), the vertical plate (2) corresponding to the tray (9), and the second support frame (4).

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