CN214368516U - High-temperature nonmetal compensator - Google Patents

Abstract

The utility model discloses a nonmetal compensator of high temperature, including middle takeover and two end joints pipe, both ends and two end joints pipe all pass through bellows fixed connection about middle takeover, two the peripheral fixed cover of end joint pipe is equipped with the crown plate, two be provided with a plurality of big pull rods between the crown plate, just two crown plates are run through respectively at the both ends of big pull rod, the equal threaded connection in both ends of big pull rod has first bolt, the outer wall welding of middle takeover has a plurality of fixed blocks, and is a plurality of all be provided with little pull rod between fixed block and the crown plate, just crown plate and fixed block are run through respectively at the both ends of little pull rod. The utility model provides a current high temperature resistant nonmetal compensator when the cold and hot alternate difference in temperature of pipeline is higher, bellows deformation degree is great, can't resume after the easy deformation, leads to the back expansion fracture that heaies up once more for the short problem of life of high temperature resistant nonmetal compensator.

Description

High-temperature nonmetal compensator

Technical Field

The utility model relates to a compensator technical field especially relates to a nonmetal compensator of high temperature.

Background

The compensator is also called expansion joint or expansion joint, and is composed of bellows and end pipe, support, flange, conduit and other accessories which form the working main body, belonging to a compensation element, which utilizes the effective expansion deformation of the bellows of the working main body to absorb the size change of the pipeline, conduit, container and the like caused by expansion and contraction, or compensate the axial, transverse and angular displacement of the pipeline, conduit, container and the like, and can also be used for noise reduction and vibration reduction.

When the temperature difference of the pipeline in cold and hot alternation is high, the deformation degree of the corrugated pipe is large, the corrugated pipe cannot recover after being easily deformed, and the corrugated pipe is expanded and cracked after being heated again, so that the service life of the high-temperature-resistant nonmetal compensator is short, and therefore the high-temperature nonmetal compensator is provided.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a high temperature nonmetal compensator has solved current high temperature resistant nonmetal compensator when the cold and hot alternate difference in temperature of pipeline is higher, and bellows deformation degree is great, and the easy back that warp can't resume, leads to the back expansion fracture of rising temperature once more for the short problem of life of high temperature resistant nonmetal compensator.

(II) technical scheme

The utility model provides a high-temperature nonmetal compensator, which comprises a middle connecting pipe and two end connecting pipes, wherein the left and right ends of the middle connecting pipe are fixedly connected with the two end connecting pipes through corrugated pipes, the peripheries of the two end connecting pipes are fixedly sleeved with ring plates, a plurality of large pull rods are arranged between the two ring plates, the two ends of each large pull rod respectively penetrate through the two ring plates, the two ends of each large pull rod are respectively in threaded connection with a first bolt, the outer wall of the middle connecting pipe is welded with a plurality of fixed blocks, a small pull rod is arranged between each fixed block and the ring plate, the two ends of each small pull rod respectively penetrate through the ring plates and the fixed blocks, the two ends of each small pull rod are respectively in threaded connection with a second bolt, an annular protective cover is sleeved on the peripheries of the two corrugated pipes, the outer wall of the annular protective cover is fixedly connected with the small pull rod, the inner wall of the annular protective cover is welded with a plurality of supporting plates arranged at equal intervals, the left side and the right side of the abutting plate are fixedly connected with springs, and one ends, far away from the abutting plate, of the springs are fixedly connected with the outer wall of the corrugated pipe.

Preferably, first threads are machined at two ends of the large pull rod, and the large pull rod is in threaded connection with the first bolt through the first threads.

Preferably, a plurality of second screw threads are processed at two ends of the small pull rod, and the small pull rod is in threaded connection with the second bolt through the second screw threads.

Preferably, two the equal a plurality of otic placodes of fixedly connected with in one side that the ring board kept away from each other, just the outer wall fixed connection of otic placode and end connection pipe.

Preferably, the outer wall of the middle part of the middle connecting pipe is fixedly sleeved with a fixing ring, and the fixing ring is fixedly sleeved on the periphery of the middle parts of the large pull rods.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up the otic placode, can prevent effectively that the crown plate from droing, through setting up solid fixed ring, can further fix a position fixedly to middle takeover, end pipe for this practical compensator pipe end is more firm and stable.

2. Through setting up annular protection casing, support components such as board, spring, not only can carry out external protection to the bellows, the bellows deformation degree is too big when can avoiding cold and hot alternative difference in temperature higher moreover, effectual protection bellows avoids its deformation after too big unable recovery and intensification back expansion fracture once more, has prolonged greatly this practical high temperature resistant nonmetal compensator's life, has improved the practicality of device.

Drawings

Fig. 1 is a schematic front view of a high-temperature non-metal compensator according to the present invention;

fig. 2 is the utility model provides a A department of nonmetal compensator of high temperature enlargies the schematic diagram.

In the figure: the device comprises a middle connecting pipe 1, a butt connecting pipe 2, a corrugated pipe 3, a ring plate 4, a large pull rod 5, a fixed block 6, a small pull rod 7, an annular protective cover 8, a first bolt 91, a second bolt 92, an ear plate 10, a fixed ring 11, a butting plate 12 and a spring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in the figures 1-2, the high temperature non-metal compensator provided by the utility model comprises a middle connecting pipe 1 and two end connecting pipes 2, the left and right ends of the middle connecting pipe 1 are fixedly connected with the two end connecting pipes 2 through corrugated pipes 3, the peripheries of the two end connecting pipes 2 are fixedly sleeved with ring plates 4, a plurality of large pull rods 5 are arranged between the two ring plates 4, the two ends of the large pull rods 5 respectively penetrate through the two ring plates 4, the two ends of the large pull rods 5 are both in threaded connection with first bolts 91, the outer wall of the middle connecting pipe 1 is welded with a plurality of fixed blocks 6, small pull rods 7 are arranged between the fixed blocks 6 and the ring plates 4, the two ends of the small pull rods 7 respectively penetrate through the ring plates 4 and the fixed blocks 6, the two ends of the small pull rods 7 are both in threaded connection with second bolts 92, the peripheries of the two corrugated pipes 3 are both sleeved with annular protective covers 8, and the outer wall of the annular protective covers 8 are fixedly connected with the small pull rods 7, the inner wall welding of annular protection casing 8 has the board 12 that supports that a plurality of equidistance set up, supports the equal fixedly connected with spring 13 in board 12 left and right sides, and the spring 13 is kept away from the one end of supporting board 12 and the outer wall fixed connection of bellows 3.

In an alternative embodiment, the two ends of the large pull rods 5 are both processed with first threads, and the large pull rods 5 are in threaded connection with the first bolts 91 through the first threads.

In an alternative embodiment, the second threads are formed at both ends of the plurality of small tie rods 7, and the small tie rods 7 are screwed with the second bolts 92 through the second threads.

In an alternative embodiment, a plurality of ear plates 10 are fixedly connected to the sides of the two ring plates 4 away from each other, and the ear plates 10 are fixedly connected to the outer wall of the end connecting pipe 2.

In an alternative embodiment, the middle outer wall of the middle adapter tube 1 is fixedly sleeved with a fixing ring 11, and the fixing ring 11 is fixedly sleeved on the middle periphery of the large pull rods 5.

The working principle is as follows: firstly, the high temperature resistant non-metallic compensator can effectively prevent the ring plate 4 from falling off by arranging the ear plate 10, and can further position and fix the middle connecting pipe 1 and the end connecting pipe 2 by arranging the fixing ring 11, so that the pipe end of the compensator of the utility model is more firm and stable, when the middle connecting pipe 1 and the end connecting pipe 2 are internally communicated with hot air, the corrugated pipe 3 is heated and expanded, the wavy top area of the corrugated pipe 3 is blocked by the inner wall of the annular protective cover 8, the wavy side area of the corrugated pipe 3 is blocked by the supporting plate 12, the expansion and cracking after the corrugated pipe 3 is deformed too much and is heated up again can be effectively avoided, when the middle connecting pipe 1 and the end connecting pipe 2 are internally communicated with cold air, the corrugated pipe 3 is precooled and contracted, the wavy area of the corrugated pipe 3 is under the tensile force of the spring 13, the damage caused by the overlarge contraction and deformation of the corrugated pipe 3 can be effectively prevented, meanwhile, the annular protective cover 8 can further protect the outside of the corrugated pipe 3, greatly prolongs the service life of the high-temperature resistant nonmetal compensator and improves the practicability of the device.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 should not be construed as limiting the present 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The high-temperature nonmetal compensator is characterized by comprising a middle connecting pipe (1) and two end connecting pipes (2), wherein the left end and the right end of the middle connecting pipe (1) are fixedly connected with the two end connecting pipes (2) through corrugated pipes (3), two ring plates (4) are fixedly sleeved on the periphery of the end connecting pipes (2), a plurality of large pull rods (5) are arranged between the ring plates (4), two ring plates (4) are respectively penetrated through two ends of each large pull rod (5), first bolts (91) are respectively in threaded connection with the two ends of each large pull rod (5), a plurality of fixed blocks (6) are welded on the outer wall of the middle connecting pipe (1), a plurality of small pull rods (7) are arranged between the fixed blocks (6) and the ring plates (4), the two ends of each small pull rod (7) are respectively penetrated through the ring plates (4) and the fixed blocks (6), second bolts (92) are respectively in threaded connection with the two ends of each small pull rod (7), two the periphery of bellows (3) all is equipped with annular protection casing (8), and the outer wall and little pull rod (7) fixed connection of annular protection casing (8), the inner wall welding of annular protection casing (8) has support board (12) that a plurality of equidistance set up, support board (12) the equal fixedly connected with spring (13) of the left and right sides, the outer wall fixed connection of the one end of support board (12) and bellows (3) is kept away from in spring (13).

2. The compensator of claim 1, wherein a plurality of large pull rods (5) are provided with first threads at two ends, and the large pull rods (5) are in threaded connection with the first bolts (91) through the first threads.

3. A high-temperature nonmetal compensator according to claim 1, wherein the two ends of a plurality of small pull rods (7) are processed with second threads, and the small pull rods (7) are connected with the second bolt (92) through the second threads in a threaded manner.

4. A high-temperature non-metal compensator according to claim 1, characterized in that a plurality of ear plates (10) are fixedly connected to the side of each of the two ring plates (4) far away from each other, and the ear plates (10) are fixedly connected with the outer wall of the end connecting pipe (2).

5. The high-temperature nonmetal compensator of claim 1, wherein the middle outer wall of the middle adapter tube (1) is fixedly sleeved with a fixing ring (11), and the fixing ring (11) is fixedly sleeved on the periphery of the middle parts of the large pull rods (5).

Images