CN111120731A

CN111120731A - Support of main steam pipe of thermal power generating unit

Info

Publication number: CN111120731A
Application number: CN201911400196.2A
Authority: CN
Inventors: 郭鹏
Original assignee: China Resources Power Hunan Liyujiang Co Ltd
Current assignee: China Resources Power Hunan Liyujiang Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-05-08

Abstract

The invention relates to a support of a main steam pipe of a thermal power generating unit, which comprises a base, wherein two sides of the top of the base are connected with two sides of the bottom of a sliding rail through two telescopic rods, two sliding grooves are arranged in parallel on two sides of the top of the sliding rail, sliding blocks are arranged in the two sliding grooves, sliding holes are formed in the two sliding blocks, sliding rods are arranged in the sliding holes of the two sliding blocks, two ends of each sliding rod are connected with the inner walls of the corresponding sliding grooves, and springs are sleeved at two ends of each sliding. The invention has the beneficial effects that: when the main steam pipe takes place the drunkenness, the slider can remove in the spout to can make outer arc backup pad and two interior arc backup pads take place slight removal, can prevent that main steam pipe from making the position of support change because of the drunkenness, when main steam pipe is heated the inflation, the elastic component takes place deformation, thereby the deformation through the elastic component adapts to the change of main steam pipe, prevents that main steam pipe from damaging, through the height of two telescopic link adjustable supports, thereby applicable installation occasion in the difference.

Description

Support of main steam pipe of thermal power generating unit

Technical Field

The invention relates to the field of thermal power generation, in particular to a support of a main steam pipe of a thermal power generating unit.

Background

The main steam pipe of current thermal power unit need install main steam pipe through the support when using, but current installing support structure is single, and the height can not be adjusted, consequently can not be applicable to different occasions installation needs, and the fixing device who uses generally is the staple bolt, and main steam pipe can be heated the inflation when carrying main steam, consequently makes main steam pipe damage very easily, and the steam pipe drunkenness condition occasionally when carrying steam can make the support position change simultaneously.

Disclosure of Invention

The invention aims to solve the technical problem of providing a support of a main steam pipe of a thermal power generating unit, and overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows: a support of a main steam pipe of a thermal power generating unit comprises a base, wherein two sides of the top of the base are connected with two sides of the bottom of a sliding rail through two telescopic rods, two sliding grooves are arranged in parallel on two sides of the top of the sliding rail, sliding blocks are arranged in the two sliding grooves, sliding holes are arranged in the two sliding blocks, sliding rods are arranged in the sliding holes of the two sliding blocks, two ends of each sliding rod are connected with the inner walls of the corresponding sliding groove, springs are sleeved at two ends of each sliding rod respectively, one end of each spring is connected with the corresponding sliding block, the other end of each spring is connected with the inner wall of the corresponding sliding groove, the tops of the two sliding blocks are connected with two sides of the bottom of a movable plate respectively, a fixed plate is mounted at the top of the movable plate and perpendicular to the movable plate, an, the outer surfaces of the two inner arc-shaped supporting plates are connected with the outer surface of the outer arc-shaped supporting plate through a plurality of elastic pieces respectively.

The invention has the beneficial effects that: when the main steam pipe takes place the drunkenness, the slider can remove in the spout to can make outer arc backup pad and two interior arc backup pads take place slight removal, can prevent that main steam pipe from making the position of support change because of the drunkenness, when main steam pipe is heated the inflation, the elastic component takes place deformation, thereby the deformation through the elastic component adapts to the change of main steam pipe, prevents that main steam pipe from damaging, through the height of two telescopic link adjustable supports, thereby applicable installation occasion in the difference.

Further: the telescopic rod comprises a threaded sleeve and a threaded rod, the lower end of the threaded sleeve is arranged on a bearing, the bearing is arranged at the top of the base, the threaded rod is arranged in the threaded sleeve, and the upper end of the threaded rod is rotatably connected with the bottom of the sliding rail.

The beneficial effects of the further scheme are as follows: the threaded rod can be lifted by rotating the threaded sleeve, so that the length of the telescopic rod can be adjusted, and the operation is convenient.

Further: and a handle is arranged on the outer side wall of the threaded sleeve.

The beneficial effects of the further scheme are as follows: the handle can conveniently rotate the thread bush.

Further: and two sides of the fixed plate are respectively connected with the top of the movable plate through a plurality of triangular plates.

The beneficial effects of the further scheme are as follows: the triangular plate can improve the strength of the joint of the fixed plate and the movable plate, thereby preventing the joint of the fixed plate and the movable plate from being stressed and broken.

Further: the elastic part comprises a sleeve and an inner rod, a spring is arranged in the sleeve, one end of the inner rod extends into the sleeve and is connected with one end of the spring, the other end of the spring is connected with the sleeve, the other end of the inner rod is connected with the outer surface of the inner arc-shaped supporting plate, and one end, far away from the sleeve, of the inner rod is connected with the inner surface of the outer arc-shaped supporting plate.

The beneficial effects of the further scheme are as follows: the elastic piece is simple in structure and good in elastic performance.

Further: and the inner surfaces of the two inner arc-shaped supporting plates are provided with heat insulation layers.

The beneficial effects of the further scheme are as follows: the heat insulating layer can prevent the support from being damaged due to thermal oxidation.

Further: the heat insulation layer comprises a hard heat insulation layer and a soft heat insulation layer, the outer surface of the hard heat insulation layer is connected with the inner surface of the inner arc-shaped supporting plate, and the outer surface of the soft heat insulation layer is connected with the inner surface of the hard heat insulation layer.

The beneficial effects of the further scheme are as follows: the hard heat insulation layer and the soft heat insulation layer are matched to ensure that the heat insulation effect is better, and meanwhile, the soft heat insulation layer can also be used for protecting the main steam pipe.

Further: and a fixing pile is arranged at the bottom of the base.

The beneficial effects of the further scheme are as follows: the fixing pile can conveniently fix the base on the ground.

Drawings

Fig. 1 is a schematic structural diagram of a support of a main steam pipe of a thermal power generating unit according to an embodiment of the invention;

fig. 2 is a right side view of a bracket of a main steam pipe of a thermal power generating unit according to an embodiment of the invention;

FIG. 3 is a schematic structural diagram of an elastic member according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a thermal insulation layer according to an embodiment of the present invention;

in the figure: 1. a base; 2. a telescopic rod; 21. a threaded sleeve; 22. a threaded rod; 23. a bearing; 24. a handle; 3. a slide rail; 31. a chute; 4. a slider; 5. a slide bar; 6. a spring; 7. a movable plate; 8. a fixing plate; 9. an outer arcuate support plate; 10. an inner arc-shaped support plate; 11. an elastic member; 111. a sleeve; 112. an inner rod; 113. a second spring; 12. a set square; 13. a thermal insulation layer; 131. a hard thermal insulation layer; 132. a soft heat-insulating layer; 14. and (6) fixing the pile.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Example one

As shown in fig. 1-4, a bracket for a main steam pipe of a thermal power generating unit comprises a base 1, two sides of the top of the base 1 are connected with two sides of the bottom of a sliding rail 3 through two telescopic rods 2, two sliding grooves 31 are arranged on two sides of the top of the sliding rail 3 in parallel, sliding blocks 4 are arranged in the two sliding grooves 31, sliding holes are arranged in the two sliding blocks 4, sliding rods 5 are arranged in the sliding holes of the two sliding blocks 4, two ends of each sliding rod 5 are connected with the inner walls of the corresponding sliding groove 31, two ends of each sliding rod 5 are respectively sleeved with a first spring 6, one end of each first spring 6 is connected with the corresponding sliding block 4, the other end of each first spring 6 is connected with the inner wall of the corresponding sliding groove 31, the tops of the two sliding blocks 4 are respectively connected with two sides of the bottom of a movable plate 7, a fixed plate 8 is mounted on the top of the, the outer surfaces of the two inner arc-shaped supporting plates 10 are respectively connected with the outer surface of the outer arc-shaped supporting plate 9 through a plurality of elastic pieces 11.

During the use, the height of support is adjusted through telescopic link 2 as required, after the regulation finishes, place main steam pipe between two interior arc splint 10, when main steam pipe takes place the drunkenness, slider 4 can remove in spout 21, thereby can make outer arc backup pad 9 and two interior arc backup pads 10 take place slight removal, can prevent that main steam pipe from making the position of support change because of the drunkenness, when main steam pipe is heated the inflation, elastic component 11 takes place deformation, thereby the change that adapts to main steam pipe through elastic component 11 deformation, prevent that main steam pipe from damaging.

Example two

The telescopic rod 2 comprises a threaded sleeve 21 and a threaded rod 22, the lower end of the threaded sleeve 21 is arranged on a bearing 23, the bearing 23 is arranged at the top of the base 1, the threaded rod 22 is arranged in the threaded sleeve 21, and the upper end of the threaded rod 22 is connected with the bottom of the sliding rail 3. By rotating the threaded sleeve 21, the threaded rod 21 can be lifted, so that the length of the telescopic rod 2 can be adjusted, and the operation is convenient.

The outer side wall of the threaded sleeve 21 is provided with a handle 24. The handle 24 facilitates the threading of the threaded sleeve 21.

EXAMPLE III

Two sides of the fixed plate 8 are respectively connected with the top of the movable plate 7 through a plurality of triangular plates 12. The triangular plate 12 can improve the strength of the joint of the fixed plate 8 and the movable plate 7, thereby preventing the joint of the fixed plate 8 and the movable plate 7 from being broken due to stress.

Example four

The elastic part 11 comprises a sleeve 111 and an inner rod 112, a second spring 113 is arranged in the sleeve 111, one end of the inner rod 112 extends into the sleeve 111 and is connected with one end of the second spring 113, the other end of the second spring 113 is connected with the sleeve 111, the other end of the inner rod 112 is connected with the outer surface of the inner arc-shaped support plate 10, and one end, away from the inner rod 112, of the sleeve 111 is connected with the inner surface of the outer arc-shaped support plate 9. When the main steam pipe is expanded by heat, the inner arc support plate 10 moves the inner wire casing 111, thereby contracting the second spring 113.

EXAMPLE five

The inner surfaces of the two inner arc-shaped supporting plates 10 are provided with heat insulation layers 13. When the support is heated, the support is easy to oxidize, and the heat insulation layer 13 can block heat on the main steam pipe, so that the support is prevented from being damaged due to thermal oxidation.

The heat insulation layer 13 comprises a hard heat insulation layer 131 and a soft heat insulation layer 132, the outer surface of the hard heat insulation layer 131 is connected with the inner surface of the inner arc-shaped support plate 10, the outer surface of the soft heat insulation layer 132 is connected with the inner surface of the hard heat insulation layer 131, the hard heat insulation layer 131 is formed by mixing and condensing high-alumina cement and ceramsite, and the soft heat insulation layer 132 is an aluminum silicate needled blanket. The hard heat insulation layer 131 and the soft heat insulation layer 132 are matched to achieve a better heat insulation effect, and meanwhile, the soft heat insulation layer 132 can also be used for protecting the main steam pipe.

EXAMPLE six

The fixing pile 14 is installed at the bottom of the base 1, and when the base 1 needs to be installed, the fixing pile 14 can be driven into the ground to install the fixing base 1.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The support of the main steam pipe of the thermal power generating unit is characterized by comprising a base (1), wherein the two sides of the top of the base (1) are connected with the two sides of the bottom of a sliding rail (3) through two telescopic rods (2), the two sides of the top of the sliding rail (3) are provided with two sliding grooves (31) in parallel, the two sliding grooves (31) are internally provided with sliding blocks (4), the two sliding blocks (4) are internally provided with sliding holes, the two sliding blocks (4) are internally provided with sliding rods (5), the two ends of each sliding rod (5) are connected with the inner walls of the corresponding sliding groove (31), the two ends of each sliding rod (5) are respectively sleeved with a first spring (6), one end of each first spring (6) is connected with the corresponding sliding block (4), the other end of each first spring (6) is connected with the inner walls of the corresponding sliding groove (31), the tops of the two sliding blocks (4) are respectively connected with the two, fly leaf (7) top perpendicular to fixed plate (8) are installed in fly leaf (7), outer arc backup pad (9) are installed at fixed plate (8) top, outer arc backup pad (9) interior symmetry is provided with two interior arc backup pads (10), two interior arc backup pad (10) surface respectively through a plurality of elastic components (11) with outer arc backup pad (9) surface connection.

2. The support of a main steam pipe of a thermal power generating unit according to claim 1, wherein the telescopic rod (2) comprises a threaded sleeve (21) and a threaded rod (22), the lower end of the threaded sleeve (21) is arranged on a bearing (23), the bearing (23) is arranged on the top of the base (1), the threaded rod (22) is arranged in the threaded sleeve (21), and the upper end of the threaded rod (22) is connected with the bottom of the sliding rail (3).

3. The bracket for the main steam pipe of the thermal power generating unit as claimed in claim 2, wherein a handle (24) is mounted on the outer side wall of the threaded sleeve (21).

4. The support of a main steam pipe of a thermal power generating unit according to claim 1, wherein two sides of the fixed plate (8) are respectively connected with the top of the movable plate (7) through a plurality of triangular plates (12).

5. The support of the main steam pipe of the thermal power generating unit as claimed in claim 1, wherein the elastic member (11) comprises a sleeve (111) and an inner rod (112), a second spring (113) is arranged in the sleeve (111), one end of the inner rod (112) extends into the sleeve (111) and is connected with one end of the second spring (113), the other end of the second spring (113) is connected with the sleeve (111), the other end of the inner rod (112) is connected with the outer surface of the inner arc-shaped support plate (10), and one end of the sleeve (111) far away from the inner rod (112) is connected with the inner surface of the outer arc-shaped support plate (9).

6. The support of a main steam pipe of a thermal power generating unit according to claim 1, wherein the inner surfaces of the two inner arc-shaped support plates (10) are provided with heat insulation layers (13).

7. The support of a main steam pipe of a thermal power generating unit according to claim 6, wherein the thermal insulation layer (13) comprises a hard thermal insulation layer (131) and a soft thermal insulation layer (132), the outer surface of the hard thermal insulation layer (131) is connected with the inner surface of the inner arc-shaped support plate (10), and the outer surface of the soft thermal insulation layer (132) is connected with the inner surface of the hard thermal insulation layer (131).

8. The support of a main steam pipe of a thermal power generating unit according to claim 1, wherein a fixing pile (14) is installed at the bottom of the base (1).