A steam turbine mounting bracket

Abstract

The present application relates to steam turbine installation equipment technical field, especially a kind of steam turbine installation bracket.It includes horizontally arranged bracket frame, the bracket frame includes two parallelly arranged cross beams, each end of each cross beam is connected to another cross beam by first longitudinal beam and second longitudinal beam, the outer side of two cross beams is provided with lifting lug, the top of first longitudinal beam is provided with several front platforms for fixing front bearing box on steam turbine, the top of second longitudinal beam is provided with several rear platforms for fixing rear bearing box on steam turbine.The present application realizes the fixation of steam turbine as a whole, realizes shipment after installation, can improve the installation precision of steam turbine, save the workload of on-site installation, reduce the difficulty of on-site installation, facilitate installation worker to handle.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steam turbine installation equipment, in particular to a steam turbine installation bracket. BACKGROUND

[0002] Steam turbine, also known as steam turbine engine, is a kind of rotary steam power device. High temperature and high pressure steam is injected into the blade after passing through the fixed nozzle to become accelerated airflow, so as to rotate the rotor with the blade row, and at the same time, do work to the outside. Steam turbine is the main equipment of modern thermal power plant, and is also used in metallurgical industry, chemical industry and ship power device.

[0003] However, the bearing box frame of the conventional steam turbine is independent and is fixed on the fixed base position. After the large steam turbine unit is adjusted in the manufacturing plant, it is disassembled into scattered parts for transportation, and then the professional installation company completes the assembly and adjustment of each part on site, which has a long installation period, complex operation and high labor and material cost. Therefore, a steam turbine installation bracket is needed to improve the installation precision of the steam turbine and reduce the installation difficulty. SUMMARY

[0004] The purpose of the present application is to provide a steam turbine installation bracket which can improve the installation precision of the steam turbine, reduce the installation difficulty and save the work amount of on-site installation.

[0005] The present application provides a steam turbine installation bracket, which comprises a bracket frame arranged horizontally, the bracket frame comprising two parallel arranged cross beams, each of the cross beams being connected to another cross beam through a first longitudinal beam and a second longitudinal beam at both ends thereof, the outer side of each of the two cross beams being provided with an ear, the top of the first longitudinal beam being provided with a plurality of front platforms for fixing front bearing boxes of the steam turbine, and the top of the second longitudinal beam being provided with a plurality of rear platforms for fixing rear bearing boxes of the steam turbine.

[0006] Preferably, the top of the first longitudinal beam is provided with three front platforms, the upper surface of one of the three front platforms being provided with a front transverse key groove parallel to the cross beam, and the front transverse key groove being located at the center position of the first longitudinal beam; the outer side of the other two front platforms is provided with a pressing block for fixing the front bearing box, and the pressing block is located at the connection between the two ends of the first longitudinal beam and the cross beam, respectively.

[0007] Preferably, the first longitudinal beam is provided with two adjacent first longitudinal beams, and the three front platforms are located at the connection between the two first longitudinal beams.

[0008] Preferably, the pressing block is provided with two adjacent pressing blocks along the direction of the cross beam.

[0009] Preferably, the second longitudinal beam top is provided with four rear panels, two of the four rear panels are provided with rear horizontal key grooves penetrating the upper surface and parallel to the horizontal beam, and the rear horizontal key grooves are located at the center of the second longitudinal beam; the other two rear panels and the two sides adjacent to the outer sides are provided with baffle plates, respectively located at the connection between the two ends of the second longitudinal beam and the horizontal beam.

[0010] Preferably, the upper surface of the two rear panels provided at the connection between the two ends of the second longitudinal beam and the horizontal beam is provided with a longitudinal key groove parallel to the second longitudinal beam.

[0011] Preferably, the second longitudinal beam is provided at intervals, and one of the rear panels provided with the rear horizontal key groove is provided on each of the second longitudinal beams, and the other two rear panels are provided at the connection between the two ends of the second longitudinal beam close to the first longitudinal beam and the horizontal beam.

[0012] Preferably, the horizontal beam, the first longitudinal beam and the second longitudinal beam are all H-shaped steel, and a plurality of vertical stiffeners are arranged between the upper flange plate and the lower flange plate of the H-shaped steel.

[0013] Preferably, the lower flange plate is bolted to the ground, and the upper surface of the lower flange plate is provided with a bolt pad corresponding to the bolt.

[0014] Preferably, the inner side of the two horizontal beams is provided with a protective plate, and the protective plate is connected to the first longitudinal beam and the second longitudinal beam.

[0015] Beneficial effects:

[0016] The steam turbine installation bracket can fix the whole steam turbine, realize shipment after installation, improve the installation precision of the steam turbine, save the workload of on-site installation, reduce the difficulty of on-site installation, and facilitate the handling of installation workers. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Fig. 1 It is a working schematic diagram of the present application;

[0019] Fig. 2 It is a schematic diagram of the overall structure of the present application.

[0020] Explanation of reference signs:

[0021] 1 - front bearing box, 2 - rear bearing box, 3 - cylinder, 4 - adjusting valve, 5 - cross beam, 6 - lifting lug, 7 - reinforcing rib, 8 - bolt pad, 9 - pressing block, 10 - baffle, 11 - front cross key groove, 12 - top screw, 13 - first longitudinal beam, 14 - guard plate, 15 - rear base plate, 16 - rear cross key groove, 17 - front base plate, 18 - longitudinal key groove, 19 - second longitudinal beam. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] In the description of the present application, it should 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", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0024] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of" means two or more, unless otherwise explicitly and specifically limited. In addition, the terms "mounting", "connecting", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Example 1

[0026] As Figs. 1-2As shown, a steam turbine mounting bracket, comprising a horizontally arranged bracket frame, the bracket frame is rectangular, comprising two parallel arranged cross beams 5, each cross beam 5 is connected to another cross beam 5 through a first longitudinal beam 13 and a second longitudinal beam 19 at both ends respectively, the outer side of the two cross beams 5 is provided with two lifting lugs 6, the lifting lug 6 and the cross beam 5 can be connected by welding, which is convenient for lifting and transporting. The structure of the steam turbine is shown in the figure, which comprises a cylinder 3, a front bearing box 1, a rear bearing box 2, a regulating valve 4 and a sliding pin system, the connection relationship between the components is well known in the art, and the related description is not repeated here.

[0027] The first longitudinal beam 13 is provided with two adjacent ones, and the top of the connection between the two first longitudinal beams 13 is provided with three front platforms 17 for fixing the front bearing box 1 on the steam turbine, the upper surface of one of the three front platforms 17 is provided with a front horizontal key groove 11 parallel to the cross beam 5, the front horizontal key groove 11 is located at the center position of the first longitudinal beam 13, and a horizontal key is arranged in the front horizontal key groove 11 to avoid displacement of the front bearing box 1 along the first longitudinal beam 13; the other two front platforms 17 are respectively located at the connection between the two ends of the first longitudinal beam 13 and the cross beam 5, and the outer side of the two front platforms 17 is provided with two adjacent pressing blocks 9 along the cross beam 5, the pressing block 9 is used for fixing the front bearing box 1, preventing the front bearing box 1 from moving along the first longitudinal beam 13. The top of the pressing block 9 is vertically provided with a threaded hole, a jack 12 can be installed in the threaded hole, further pressing the bottom of the front bearing box 1, preventing the front bearing box 1 from lifting during transportation, and preventing the front bearing box 1 from displacing along the first longitudinal beam 13.

[0028] The top of the second longitudinal beam 19 is provided with four rear platforms 15 for fixing the rear bearing box 2 on the steam turbine. The second longitudinal beam 19 is arranged at intervals, and a rear platform 15 is arranged at the center position of the upper surface of each second longitudinal beam 19, and a rear horizontal key groove 16 is arranged on the upper surface of the rear platform 15, which is parallel to the cross beam 5, and the rear horizontal key groove 16 is located at the center position of the second longitudinal beam 19, and a horizontal key is arranged in the rear horizontal key groove 16 to avoid displacement of the rear bearing box 2 along the second longitudinal beam 19. The second longitudinal beam 19 away from the first longitudinal beam 13 is provided with a baffle 10 on both sides of the rear platform 15, the baffle 10 is located on both sides parallel to the cross beam 5, and the rear bearing box 2 is further limited; the other two rear platforms 15 are located at the connection between the two ends of the second longitudinal beam 19 close to the first longitudinal beam 13 and the cross beam 5, the upper surfaces of the two rear platforms 15 are provided with longitudinal key grooves 18 parallel to the second longitudinal beam 19, and longitudinal keys are arranged in the longitudinal key grooves 18 to avoid displacement of the rear bearing box 2 along the cross beam 5, and the outer side of the two rear platforms 15 and the two sides adjacent to the outer side are provided with baffles 10, which is convenient for fixing the rear bearing box 2.

[0029] The rear horizontal key groove 16 and the longitudinal key groove 18 on the second platform cooperate with the horizontal key and the longitudinal key inside to serve as the dead point of the steam turbine unit, avoiding displacement of the steam turbine during transportation and installation, affecting the precision.

[0030] The cross beam 5, the first longitudinal beam 13 and the second longitudinal beam 19 are all H-shaped steel, and a plurality of reinforcing ribs 7 perpendicular to the web plate are arranged between the upper flange plate and the lower flange plate of the H-shaped steel, so as to reinforce the load bearing capacity of the cross beam 5, the first longitudinal beam 13 and the second longitudinal beam 19 and increase the strength. The lower flange plate is bolted to the ground, and a bolt pad 8 is arranged on the upper surface of the lower flange plate corresponding to the bolt. The bolt pad 8 and the lower flange plate can be welded to each other, which is helpful to further fix the bolt.

[0031] The inner sides of the two cross beams 5 are both provided with a protective plate 14, and the two ends of the protective plate 14 are connected to the first longitudinal beam 13 and the second longitudinal beam 19. The protective plate 14 fills the gap between the steam turbine and the cross beam 5, so as to avoid falling when the staff inspects the steam turbine on the cross beam 5, and the side close to the steam turbine of the protective plate 14 is vertically provided with a rail plate.

[0032] Working process:

[0033] In use, after the present application is installed, it is bolted to the ground, the front bearing box 1 is installed on the first longitudinal beam 13, the bottom of the front bearing box 1 is aligned with the position of the front transverse key groove 11 and the pressing block 9, and the top wire 12 is additionally installed on the pressing block 9; the bottom of the rear bearing box 2 is aligned with the rear transverse key groove 16 and the longitudinal key groove 18 on the second platform, and the outer edge is aligned with the baffle 10, so that the rear bearing box 2 is limited, so as to avoid displacement during transportation and affect the accuracy. During transportation, the bolt is removed, the lifting lug 6 is used to lift the installation bracket, and the steam turbine unit is transported. After being transported to the designated position, the installation worker checks and installs the steam turbine. The installation bracket has limited each component of the steam turbine in the correct position, which is convenient for the worker to accurately install and reduces the workload and difficulty of the worker.

[0034] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part 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 application.

Claims

1. A steam turbine mounting bracket, characterized by, The bracket frame is horizontally arranged and comprises two parallel arranged cross beams, each of the cross beams is connected with another cross beam through a first vertical beam and a second vertical beam at both ends, the outer side of each of the cross beams is provided with an ear, the top of the first vertical beam is provided with a plurality of front platforms for fixing front bearing boxes of a steam turbine, and the top of the second vertical beam is provided with a plurality of rear platforms for fixing rear bearing boxes of the steam turbine. The top of the first vertical beam is provided with three front platforms, the upper surface of one of the three front platforms is provided with a front horizontal key groove parallel to the cross beam, and the front horizontal key groove is located at the center of the first vertical beam; the outer side of the other two front platforms is provided with a pressing block for fixing the front bearing box, and the pressing block is located at the connecting position between the first vertical beam and the cross beam at both ends of the first vertical beam. The top of the second vertical beam is provided with four rear platforms, two of the four rear platforms are provided with a rear horizontal key groove penetrating through the upper surface and parallel to the cross beam, and the rear horizontal key groove is located at the center of the second vertical beam; the outer side of the other two rear platforms and the two sides adjacent to the outer side are each provided with a baffle, and the baffle is located at the connecting position between the second vertical beam and the cross beam at both ends of the second vertical beam; the upper surface of the two rear platforms provided at the connecting position between the second vertical beam and the cross beam at both ends of the second vertical beam is provided with a vertical key groove parallel to the second vertical beam.

2. The turbine mounting bracket of claim 1, wherein, The first vertical beam is provided with two adjacent first vertical beams, and the three front platforms are located at the connecting position between the two first vertical beams.

3. The turbine mounting bracket of claim 1, wherein, The pressing block is provided with two adjacent pressing blocks along the direction of the cross beam.

4. The turbine mounting bracket of claim 1, wherein, The second vertical beam is provided with two second vertical beams at intervals, and one rear platform provided with the rear horizontal key groove is arranged on each of the second vertical beams; the connecting position between the second vertical beam and the cross beam at both ends of the second vertical beam close to the first vertical beam is provided with another two rear platforms.

5. The turbine mounting bracket of claim 1, wherein, The cross beam, the first vertical beam and the second vertical beam are all H-shaped steel, and a plurality of reinforcing ribs perpendicular to the web plate are arranged between the upper flange plate and the lower flange plate of the H-shaped steel.

6. The turbine mounting bracket of claim 5, wherein, The lower flange plate is bolted to the ground, and the upper surface of the lower flange plate is provided with a bolt pad corresponding to the bolt.

7. The turbine mounting bracket of claim 1, wherein, The inner side of each of the two cross beams is provided with a protective plate, and the two ends of the protective plate are connected with the first vertical beam and the second vertical beam.

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