Steel-in-steel compensation structure of steam heat pipeline

Abstract

The utility model relates to the technical field of heat pipeline, and disclose a kind of steel jacket steel compensation structure of steam heat pipeline, including heat pipeline, and the first compensation shell and the second compensation shell are equipped on heat pipeline, and the fixed plate is fixed in the top and bottom of the first compensation shell and the second compensation shell, and the sleeve and the sleeve rod are respectively fixed on fixed plate, and the reset spring is fixed in sleeve, and the installation cavity is set in the first compensation shell and the second compensation shell, and the first spring and the installation pad are equipped in installation cavity, and the fixed frame is fixed in the second compensation shell one end, and the limit rod is fixed in fixed frame, and the limit plate and the second spring are equipped on limit rod, and the plug rod is fixed on limit plate, and the fixed block is fixed in the first compensation shell one end, and the insertion slot is set in fixed block, in the utility model, by the cooperation of second spring, limit plate and plug rod, plug rod is released from insertion slot Limit, and then the disassembly and installation of the first compensation shell and the second compensation shell are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat pipeline, especially relates to a steam heat pipeline steel jacket steel compensation structure. BACKGROUND

[0002] The steel jacket steam heat pipeline is a new technology developed in recent years, and is a commonly used pipeline type for conveying high-temperature steam, has good protection effect, and has been widely applied in the heat preservation field.

[0003] Through the retrieval publication (announcement) No. CN220688372U discloses a kind of steel jacket steam heat pipeline's steel jacket compensation structure, including outer sleeve, the outer sleeve inner wall is fixedly connected with heat preservation layer, the heat preservation layer inner wall is fixedly connected with inner sleeve, the outer sleeve surface both ends are provided with mounting assembly, two groups of mounting assembly and outer sleeve are fixedly arranged between two groups, two groups of mounting assembly are commonly provided with compensation assembly between two groups, the compensation assembly and two groups of mounting assembly are detachably arranged between two groups.The utility model has the position fixed of fixed plate and mounting plate, then rotates the rotating block on the surface of rotating rod and hollow rod, and pulls the pull rod connected with tension spring, hooks are hung in the inside of another group of mounting plate, next, the positioning plate is rotated by rotating column, and the positioning plate and fixed block are fixed in position by first screw, so as to complete the installation of compensation assembly, reach the advantage that steel jacket steam heat pipeline can be effectively prevented from being damaged due to thermal expansion and contraction.

[0004] In the above prior art, the positioning plate and the fixed block are fixed in position by the first screw, which requires special tools for disassembly and installation when disassembly is required, increasing the operation complexity and cost.

[0005] Therefore, we propose a kind of steel jacket steam heat pipeline's steel jacket compensation structure. UTILITY MODEL CONTENTS

[0006] The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides a kind of steel jacket steam heat pipeline's steel jacket compensation structure.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme, a kind of steel jacketed steel compensation structure of steam heat pipeline, including heat pipeline, heat pipeline is equipped with first compensation shell and second compensation shell, first compensation shell and second compensation shell top and bottom are all fixed with fixed plate, sleeve and sleeve rod are respectively fixed on fixed plate, reset spring is fixed in sleeve, installation cavity is formed in first compensation shell and second compensation shell, first spring and mounting pad are arranged in installation cavity, second compensation shell one end is fixed with fixed frame, limit rod is fixed in fixed frame, limit plate and second spring are arranged on limit rod, plug rod is fixed on limit plate, first compensation shell one end is fixed with fixed block, plug slot is formed in fixed block.

[0008] As preferred, the sleeve is fixedly installed with first stopper at the upper and lower ends of the inner cavity near the end of the sleeve rod, and the sleeve rod is fixedly installed with second stopper at the end near the reset spring and corresponding to the first stopper.

[0009] As preferred, the first spring is a plurality of and fixedly installed in the inner cavity of the installation cavity, and the mounting pad is fixed on the first spring.

[0010] As preferred, the limit plate is slidingly connected to the limit rod, and the second spring is sleeved on the end of the limit rod.

[0011] As preferred, one end of the second spring is fixedly connected to the inner cavity wall surface of the fixed frame, and the other end of the second spring is fixedly connected to the wall surface of the limit plate.

[0012] As preferred, the plug rod and the plug slot are both cross-shaped structures and are adapted to each other.

[0013] The utility model provides a kind of steel jacketed steel compensation structure of steam heat pipeline.There is following beneficial effect:

[0014] 1、the steel jacketed steel compensation structure of steam heat pipeline, by the cooperation of second spring, limit plate and plug rod, plug rod is released from the limit of plug slot, in turn, the dismounting and installation of first compensation shell and second compensation shell are facilitated.

[0015] 2、the steel jacketed steel compensation structure of steam heat pipeline, by the cooperation of first stopper and second stopper, avoid that sleeve rod is separated from the inner cavity of sleeve. DRAWINGS

[0016] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in prior art, the following will be briefly introduced to the drawing needed to be used in embodiment or prior art description.Obviously, the drawing in the following description is only exemplary, and for the person skilled in the art, other implementation drawings can be obtained according to the provided drawing without paying creative labor.

[0017] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions for the implementation of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the functions and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0018] Fig. 1 The utility model structural three-dimensional view is shown in the specification.

[0019] Fig. 2 The utility model first compensation shell and second compensation shell split schematic view is shown in the specification.

[0020] Fig. 3 The utility model sleeve structure detail schematic view is shown in the specification.

[0021] Legend:

[0022] 1, hot water pipe; 2, first compensation shell; 3, second compensation shell; 4, fixed plate; 401, sleeve rod; 402, sleeve; 403, reset spring; 404, first stop block; 405, second stop block; 5, mounting pad; 501, installation cavity; 502, first spring; 6, fixed frame; 601, limiting rod; 602, limiting plate; 603, second spring; 604, insertion rod; 7, fixed block; 701, insertion slot. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment: a steel sleeve steel compensation structure of steam hot water pipe, as shown in Figs. 1-3As shown, including heat pipe 1, heat pipe 1 surface both ends are provided with the first compensation shell 2 and the second compensation shell 3, the first compensation shell 2 and the second compensation shell 3 are hinged together, the top and bottom of the first compensation shell 2 and the second compensation shell 3 are fixedly installed with the fixed plate 4, the opposite wall surface of the fixed plate 4 is fixedly installed with the sleeve 402 and the sleeve rod 401 respectively, the inner cavity of the sleeve 402 away from the end of the sleeve rod 401 is fixed with the reset spring 403, the end of the sleeve rod 401 close to the reset spring 403 is fixedly connected with the reset spring 403, the inner cavity of the sleeve 402 close to the sleeve rod 401 one end is fixedly installed with the first stop block 404, the end of the sleeve rod 401 close to the reset spring 403 and the corresponding position of the first stop block 404 are fixedly provided with the second stop block 405, through the cooperation of the first stop block 404 and the second stop block 405, the sleeve rod 401 is avoided from separating from the inner cavity of the sleeve 402, the inner cavities of the first compensation shell 2 and the second compensation shell 3 are provided with the mounting cavity 501, the mounting cavity 501 is fixedly connected with a plurality of first springs 502 in the inner cavity, the first spring 502 is fixedly provided with the mounting pad 5, one end of the second compensation shell 3 is fixedly connected with the fixed frame 6, the fixed frame 6 is fixedly installed with the limiting rod 601 in the inner cavity, the limiting rod 601 is slidably connected with the limiting plate 602, the limiting rod 601 is sleeved with the second spring 603 at one end, one end of the second spring 603 is fixedly connected with the inner cavity wall of the fixed frame 6, the other end of the second spring 603 is fixedly connected on the wall surface of the limiting plate 602, the limiting plate 602 is fixedly connected with the plug rod 604 on the top wall surface, the top of the first compensation shell 2 located at one end of the fixed frame 6 is fixedly connected with the fixed block 7, the inner cavity of the fixed block 7 is provided with the insertion slot 701, the plug rod 604 and the insertion slot 701 are both cross-shaped structure and mutually adapted.

[0025] The working principle of the utility model is as follows:

[0026] In use, the mounting pad 5 and the first spring 502 can reduce the axial stress generated by expansion, the sleeve 402, the reset spring 403 and the sleeve rod 401 can reduce the transverse stress generated by expansion, the second spring 603, the limiting plate 602 and the plug rod 604 are matched, the plug rod 604 is released from the limiting of the insertion slot 701, and then the first compensation shell 2 and the second compensation shell 3 can be disassembled.

[0027] In use, the first stop block 404 and the second stop block 405 are matched to avoid the sleeve rod 401 from separating from the inner cavity of the sleeve 402.

[0028] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical" and "horizontal" as can be perceived herein relative to the accompanying drawings refer to the orientation of the components being described. However, it is to be understood that the inventive concepts can assume various alternative orientations, except where expressly omitted.

[0029] It is to be understood that the terms "first", "second", and the like, used herein do not necessarily have an ordinal meaning. Rather, such terms are used to distinguish different structures or steps from one another. Terms concerning descriptions of orientations such as "vertical", "horizontal", "upper", "lower", "top", "bottom", "side", "front", "back", "rear", "up", "down", "over", "under", "above", "below", and the like are used as terms of convenience to describe relationships for purposes of the description herein. Such terms are used with respect to the objects being described, rather than to the actual position of such objects in an actual environment. These terms are used only to ease the reader's understanding of relative relationships of the objects being described. It should be understood that the objects can be positioned in a manner that is different from that which is depicted and / or described, consistent with the principles and uses disclosed herein. For example, an object featured as "above" or "over" another object can also be positioned "below" or "under" such object. Thus, the examples used herein should be understood in only a descriptive sense and not a necessarily limiting sense. Terms such as "front" and "back", "side" and "end", and the like, are used for ease of description of one object relative to another object, and are not intended to limit the position of such objects in an actual environment.

[0030] The principles and uses of the present application have been described herein. Numerous variations, modifications, and additions to the specific embodiments disclosed can be made by those skilled in the art without departing from the scope of the application, which is defined by the following claims. For example, the steps recited in the claims can be performed in a different order than those recited in the preceding description. All such modifications and variations are intended to be included within the scope of the application as defined by the following claims. The above description is that of current embodiments of the application. Specific embodiments of this application are described herein, including the best mode known to the inventors of practicing the application at the time of filing. Of course, many modifications can be made by those skilled in the art, but such modifications, being within the spirit and scope of the application, should be construed as within the scope of the application. The disclosure of all elements discussed herein can be combined in any combination, where compatible, to create additional embodiments of the application.

Claims

1. A steel-jacketed steel compensation structure for a steam heating pipeline, comprising a heating pipeline (1), characterized in that: The heat pipe (1) is provided with a first compensation shell (2) and a second compensation shell (3). The top and bottom of the first compensation shell (2) and the second compensation shell (3) are fixed with a fixing plate (4). A sleeve (402) and a sleeve rod (401) are fixed on the fixing plate (4). A return spring (403) is fixed inside the sleeve (402). An installation cavity (501) is opened inside the first compensation shell (2) and the second compensation shell (3). A first spring (502) and an installation pad (5) are provided inside the installation cavity (501). A fixing frame (6) is fixed at one end of the second compensation shell (3). A limit rod (601) is fixed inside the fixing frame (6). A limit plate (602) and a second spring (603) are provided on the limit rod (601). An insertion rod (604) is fixed on the limit plate (602). A fixing block (7) is fixed at one end of the first compensation shell (2). A slot (701) is opened inside the fixing block (7).

2. The steel-jacketed steel compensation structure for a steam thermal pipeline according to claim 1, characterized in that: The upper and lower ends of the inner cavity of the sleeve (402) near the sleeve rod (401) are fixedly installed with first stop blocks (404), and the sleeve rod (401) near the return spring (403) and at the position corresponding to the first stop block (404) are fixed with second stop blocks (405).

3. The steel-jacketed steel compensation structure for a steam thermal pipeline according to claim 1, characterized in that: The first spring (502) is multiple and fixedly installed in the inner cavity of the mounting cavity (501), and the mounting pad (5) is fixed on the first spring (502).

4. The steel-jacketed steel compensation structure for a steam thermal pipeline according to claim 1, characterized in that: The limiting plate (602) is slidably connected to the limiting rod (601), and the second spring (603) is sleeved on one end of the limiting rod (601).

5. The steel-jacketed steel compensation structure for a steam thermal pipeline according to claim 1, characterized in that: One end of the second spring (603) is fixedly connected to the inner wall of the fixed frame (6), and the other end of the second spring (603) is fixedly connected to the wall of the limiting plate (602).

6. The steel-jacketed steel compensation structure for a steam thermal pipeline according to claim 1, characterized in that: Both the insert (604) and the slot (701) are cross-shaped structures and are compatible with each other.

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