CN216692635U - Wear-resistant elbow - Google Patents

Abstract

The utility model discloses a wear-resistant elbow, which comprises an elbow body and a plurality of reinforcing parts, wherein the plurality of reinforcing parts are arranged on a reinforcing curved surface of a pipe cavity in the elbow body at intervals, the reinforcing curved surface is positioned on one side of the bending radius of the elbow body deviating from the curvature center of the elbow body, and the reinforcing parts are of arc structures. The technical effects achieved are as follows: according to the wear-resistant elbow, the reinforcing part with the arc-shaped structure is arranged, compared with a common elbow, the weight is not increased too much, when the wear-resistant elbow is used, repair welding or iron repair welding can be performed even if the wear-resistant elbow is worn, the reinforcing part is not easy to fall off, the engineering cost is low, the wear-resistant elbow is easy to process and convenient to install, a good wear-resistant effect is achieved, and the strength of the elbow is obviously enhanced.

Description

Wear-resistant elbow

Technical Field

The utility model relates to the technical field of ventilation pipelines, in particular to a wear-resistant elbow.

Background

The abrasion of the industrial elbow is a factor influencing the safe and civilized production, materials are continuously innovated along with the continuous development of scientific technology, materials such as cast stone, cast steel, alloy, centrifugally-poured composite ceramic and the like appear in succession, and the specific characteristics of various materials are as follows:

1. casting stone: most of the elbows of each factory in the past are cast stone elbows, and the material is characterized by being fragile and cracked, the wall thickness of a wear-surface backpack is 25-35 mm, the wall thickness is nearly 40 mm, after the inner side is worn out and cracked for a short time, coal powder is worn outwards along with the gaps, and the service life of the coal powder is only one overhaul period. In addition, the interior of the rubber hose is often provided with air holes, hidden dangers are easy to remain, and once the rubber hose is worn through, the rubber hose cannot be repaired on site

2. Casting steel: the cast steel pipeline has large thickness, heavy weight, high carbon content and poor weldability, and needs heat treatment on the weld joint on site, thereby bringing great difficulty to the installation and maintenance on site.

3. Pasting the ceramic wafer: the micro-gaps are numerous, the texture is crisp and fragile, the local falling failure is easy, and the repair is difficult after the falling.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a wear-resistant elbow to solve the problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

according to a first aspect of the present invention, a wear-resistant elbow includes an elbow body and a plurality of reinforcing members, the plurality of reinforcing members are disposed at intervals on a reinforcing curved surface of an inner tube cavity of the elbow body, the reinforcing curved surface is located on a side of a bending radius of the elbow body, which is away from a curvature center of the elbow body, and the reinforcing members are arc-shaped structures.

Further, the reinforcing piece is an arc-shaped plate or round steel.

Further, a plurality of the stiffeners are equally spaced along the direction of the extension curve of the elbow body.

Further, when the reinforcing part is an arc-shaped plate, the surface of the arc-shaped plate extends along the secant direction of the arc at the outermost side edge of the elbow body.

Further, the height of the arc-shaped plate is 50 mm.

Further, the thickness of the arc-shaped plate is 8mm-12 mm.

Further, the arc-shaped plate and the elbow body are welded in a two-surface section welding mode.

Further, the interval between adjacent reinforcing members is 100 mm.

Further, a central symmetry plane of the stiffener extends in a bending radius direction of the elbow body.

Further, two ends of the reinforcing part respectively extend to the arc-shaped curves of the two sides of the elbow body where the bending radii are located.

The utility model has the following advantages: according to the wear-resistant elbow, the reinforcing part with the arc-shaped structure is arranged, compared with a common elbow, the weight is not increased too much, when the wear-resistant elbow is used, repair welding or iron repair welding can be performed even if the wear-resistant elbow is worn, the reinforcing part is not easy to fall off, the engineering cost is low, the wear-resistant elbow is easy to process and convenient to install, a good wear-resistant effect is achieved, and the strength of the elbow is obviously enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Figure 1 is a cross-sectional view of a wear resistant elbow according to some embodiments of the present invention.

Figure 2 is a perspective view of a wear resistant elbow according to some embodiments of the present invention.

Figure 3 is a front view of a wear resistant elbow according to some embodiments of the present invention.

Figure 4 is a cross-sectional view a-a of a wear resistant elbow according to some embodiments of the present invention.

Figure 5 is a graph illustrating the bend radius configuration of a wear resistant elbow according to some embodiments of the present invention.

In the figure: 1. the pipe bending device comprises a pipe bending body, 2, a reinforcing curved surface, 3, a reinforcing piece, d, a distance, h, a height, R, a bending radius, phi and a pipe diameter.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, a wear-resistant elbow according to an embodiment of the first aspect of the present invention includes an elbow body 1 and a plurality of reinforcing members 3, wherein the plurality of reinforcing members 3 are disposed at intervals on a curved reinforcing surface 2 of an inner lumen of the elbow body 1, the curved reinforcing surface 2 is located on a side of a bending radius of the elbow body 1 away from a curvature center of the elbow body 1, and the reinforcing members 3 are arc-shaped.

In the above embodiments, it should be noted that, for example, the reinforcement member 3 is welded to the inner sidewall of the elbow body 1.

The technical effects achieved by the above embodiment are as follows: through the wearing bend of this embodiment, through the reinforcement that sets up the arc structure, compare ordinary return bend and do not increase too much weight, during the use, even wear-through also can repair welding or mend the iron welding, the reinforcement is difficult for droing, and engineering cost is low, and easy to process, simple to operate possesses good wear-resisting effect, is showing the intensity that has strengthened the elbow.

Alternatively, as shown in fig. 1 to 5, in some embodiments, the reinforcing member 3 is an arc-shaped plate or a round bar.

In the above optional embodiment, it should be noted that, in addition, the reinforcing members may have other arc-shaped structures, and after the welding is completed, the plurality of reinforcing members are distributed like fish scales, and have higher wear resistance.

The beneficial effects of the above alternative embodiment are: through the type setting of above-mentioned reinforcement 3, processing is simple, and manufacturing cost is showing and is reducing, is showing the inside wearability that has promoted the elbow pipe.

Alternatively, as shown in FIGS. 1-5, in some embodiments, a plurality of stiffeners 3 are equally spaced along the direction of the extension curve of the elbow body 1.

In the above alternative embodiment, it should be noted that, in addition, the reinforcing members 3 may be disposed at unequal intervals.

The beneficial effects of the above alternative embodiment are: through setting up a plurality of reinforcements 3 to equidistant distribution, each reinforcement 3 atress is even, has avoided stress concentration's phenomenon to take place, has improved the wearability.

Alternatively, as shown in FIGS. 1-5, in some embodiments, when the stiffener 3 is an arcuate plate, the face of the arcuate plate extends along a secant of the outermost edge arc of the elbow body 1.

In the above alternative embodiment, it should be noted that an included angle is formed between the arc plate and the tangent plane of the outermost end of the inner side surface of the elbow body 1, and the included angle is an acute angle.

The beneficial effects of the above alternative embodiment are: through setting up the arc slope, realized that the flow direction of arc and air current is unanimous, reduced the degree of wear of arc, improved the life of arc.

Alternatively, as shown in fig. 1-5, in some embodiments, the height h of the arcuate plate is 50 mm.

In the above alternative embodiment, it should be noted that the height of the arc-shaped plate may also be other values, specifically, set according to the size of the pipeline.

Alternatively, as shown in fig. 1-5, in some embodiments, the arc plate has a thickness of 8mm-12 mm.

In the above optional embodiments, it should be noted that the thickness of the arc-shaped plate may also be other values, specifically set according to the size of the pipeline.

Alternatively, as shown in FIGS. 1-5, in some embodiments, the arc plate and the elbow body 1 are welded using a two-sided segment weld.

In the above optional embodiment, it should be noted that, by processing in a two-side section welding manner, wind can directly blow to the arc-shaped plate or the round steel when passing through, so as to protect the elbow from being worn by wind, and repair welding or replacement of the welding plate and the like can be performed for maintenance even if the elbow is worn due to long-time use and severe wear; and the strength of the elbow is increased while welding.

Alternatively, as shown in fig. 1 to 5, in some embodiments, the spacing d between adjacent stiffeners 3 is 100 mm.

In the above alternative embodiment, it should be noted that the spacing between adjacent reinforcing members 3 may also be other values, specifically set according to the size of the pipeline.

Alternatively, as shown in FIGS. 1-5, in some embodiments, the central symmetry plane of the stiffener 3 extends in the direction of the bend radius R of the elbow body 1.

Alternatively, as shown in FIGS. 1-5, in some embodiments, the ends of the stiffener 3 extend to the curved line where the bend radii R on the two sides of the elbow body 1 are located.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims (10)

1. The utility model provides a wear-resisting elbow, its characterized in that includes return bend body (1) and a plurality of reinforcement (3), the enhancement curved surface (2) interval of the inside lumen of return bend body (1) is provided with a plurality ofly reinforcement (3), it is located to strengthen curved surface (2) the bend radius of return bend body (1) deviates from one side of the center of curvature of return bend body (1), reinforcement (3) are the arc structure.

2. A wear-resistant elbow according to claim 1, characterized in that the reinforcement (3) is an arc-shaped plate or round steel.

3. A wear-resistant elbow according to claim 1, characterized in that a plurality of said reinforcing members (3) are equally spaced along the direction of the extension curve of the elbow body (1).

4. A wear-resistant elbow according to claim 2, characterized in that when the reinforcement member (3) is an arc-shaped plate, the surface of the arc-shaped plate extends along the secant direction of the outermost edge arc of the elbow body (1).

5. A wear-resistant elbow according to claim 4, characterized in that the height (h) of the curved plate is 50 mm.

6. A wear-resistant elbow according to claim 5, wherein the thickness of the curved plate is 8mm to 12 mm.

7. A wear-resistant elbow according to claim 6, characterized in that the arc-shaped plate and the elbow body (1) are welded by means of two-side segment welding.

8. A wear-resistant bend according to claim 7, characterized in that the spacing (d) between adjacent reinforcement elements (3) is 100 mm.

9. A wear-resistant bend according to claim 1, characterized in that the central symmetry plane of the reinforcement (3) extends in the direction of the bending radius (R) of the elbow body (1).

10. A wear-resistant elbow according to claim 1, characterized in that the two ends of the reinforcement (3) extend to the curved line of the bend body (1) at the bending radii (R) of the two sides, respectively.

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