CN219434527U - Novel gray cast iron test bar for casting - Google Patents

Abstract

The utility model discloses a novel gray cast iron test bar for casting, which belongs to the technical field of gray cast iron test bars and comprises a stretching bar body, wherein limiting round tables are fixedly arranged at two ends of the stretching bar body, limiting columns are fixedly arranged at the outer sides of the limiting round tables, butt joint grooves are formed in the middle parts of the left sides of the limiting columns at the upper end and the lower end in an embedded mode, butt joint protruding blocks are convexly arranged in the middle parts of the right sides of the limiting columns at the upper end and the lower end, positioning screw holes are symmetrically formed in the left side and the right side of the end of the limiting columns, and after two test bars are laterally spliced, the end parts of the two test bars are quickly reinforced through the arrangement of connecting blocks and positioning bolts, so that the two test bars are quickly spliced, synchronous stretching tests are conveniently carried out by combining a plurality of test bars, structural limitations of the common test bars are avoided, the test range of the test bars is widened, and the utility model is beneficial to popularization.

Description

Novel gray cast iron test bar for casting

Technical Field

The utility model relates to the technical field of gray cast iron test bars, in particular to a novel gray cast iron test bar for casting.

Background

Representative test bars are currently widely used by various factories in foundry production to test their mechanical properties.

When the existing gray cast iron test bars are subjected to tensile test, most of the gray cast iron test bars can only be detected singly, and two or more gray cast iron test bars are not easy to be subjected to tensile test in combination, so that the test range is limited.

Based on the above, the utility model designs a novel gray cast iron test bar for casting so as to solve the problems.

Disclosure of Invention

The utility model aims to solve the problems that when the existing gray cast iron test bar is subjected to tensile test, most of the gray cast iron test bar can only be detected singly, and two or more gray cast iron test bars are not easy to be combined for tensile test, so that the test range is limited.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel gray cast iron test bar for casting, includes the tensile stick body, the both ends of tensile stick body are all fixed and are provided with spacing round platform, the outside of spacing round platform is all fixed and is provided with spacing post, upper and lower both ends the embedded butt joint recess of having seted up in left side middle part of spacing post, upper and lower both ends the right side middle part evagination of spacing post is provided with the butt joint lug, the location screw has been seted up to the bilateral symmetry of spacing post tip, two of mutual butt joint the top of spacing post is provided with the connecting block, screw thread through connection is provided with positioning bolt between connecting block and the location screw that corresponds.

Preferably, the butt joint grooves, the butt joint convex blocks and the positioning screw holes on the same group of the limiting columns are arranged on the same central surface, so that the adjacent two groups of the limiting columns can be spliced with each other conveniently.

Preferably, the butt joint grooves and the butt joint convex blocks on the two mutually butt-jointed limit posts are correspondingly embedded with each other, so that the stress of the two butt-jointed limit posts is more balanced when the two butt-jointed limit posts are stretched.

Preferably, the connecting block is of a strip-shaped structure, holes for the positioning bolts to pass through are symmetrically formed in two sides of the connecting block, and two groups of test bars are conveniently and simply abutted and fixed through the connecting block.

Preferably, the stretching rod body, the limiting round table, the limiting column, the butt joint groove and the butt joint convex block are cast and formed integrally, so that the original strength of the test rod is guaranteed, the positioning screw holes are formed for later processing, and the butt joint of bolts is facilitated.

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

(1) According to the utility model, the butt joint grooves and the butt joint convex blocks which are convenient to butt joint are arranged, after the two test bars are laterally spliced, the ends of the two test bars are quickly reinforced through the arrangement of the connecting blocks and the positioning bolts, so that the two test bars are quickly spliced, a plurality of test bars are conveniently combined for synchronous tensile test, the structural limitation of the common test bars is avoided, the test range of the test bars is enlarged, and the popularization of the utility model is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of two sets of docking structures according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the test stick of the present utility model;

FIG. 4 is a schematic view of two sets of butt-joint top structures according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the device comprises a 1-stretching rod body, a 2-limiting round table, a 3-limiting column, a 4-butt joint groove, a 5-butt joint convex block, a 6-positioning screw hole, a 7-connecting block and an 8-positioning bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a novel gray cast iron test bar for casting, including tensile body 1, the both ends of tensile body 1 are all fixed and are provided with spacing round platform 2, spacing round platform 2's the outside is all fixed and is provided with spacing post 3, the embedded butt joint recess 4 of having seted up in left side middle part of spacing post 3 of upper and lower both ends, the right side middle part evagination of spacing post 3 of upper and lower both ends is provided with butt joint lug 5, positioning screw 6 has been seted up to the bilateral symmetry of spacing post 3 tip, the top of two spacing posts 3 of mutual butt joint is provided with connecting block 7, screw through connection is provided with positioning bolt 8 between connecting block 7 and the corresponding positioning screw 6.

Wherein, the butt joint groove 4, the butt joint convex block 5 and the positioning screw hole 6 on the same group of limit posts 3 are arranged on the same center plane. Secondly, the butt joint grooves 4 and the butt joint convex blocks 5 on the two mutually butt joint limit posts 3 are correspondingly embedded with each other. Furthermore, the connecting block 7 is of a strip-shaped structure, and holes for the positioning bolts 8 to pass through are symmetrically formed in two sides of the connecting block 7. Finally, the stretching rod body 1, the limiting round table 2, the limiting column 3, the butt joint groove 4 and the butt joint convex block 5 are cast into a whole, and the positioning screw hole 6 is formed for later processing.

One specific application of this embodiment is: through the butt joint of the upper and lower butt joint lug 5 on one test bar inserts the butt joint recess 4 inner chamber in another test bar, set up the connecting block in the spacing post 3 middle part of two test bars this moment, be fixed in the outer end of two test bars with connecting block 7 through positioning bolt 8 for two test bars accomplish quick concatenation, make things convenient for many test bar combinations to carry out synchronous tensile test, avoided the limitation on the structure of ordinary test bar.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (5)

1. The utility model provides a novel grey cast iron test-stick for casting, includes tensile body (1), its characterized in that: the utility model discloses a stretching rod body, including stretching rod body (1), connecting block (7) are provided with, the both ends are equipped with spacing round platform (2) are all fixed in the both ends of spacing round platform (2), the left side middle part of spacing round platform (3) is embedded to be offered butt joint recess (4), upper and lower both ends the right side middle part evagination of spacing round platform (3) is provided with butt joint lug (5), locating screw hole (6) have been offered to the bilateral symmetry of spacing round platform (3) tip, two of mutual butt joint the top of spacing round platform (3) is provided with connecting block (7), threaded through connection is provided with positioning bolt (8) between connecting block (7) and the locating screw hole (6) that corresponds.

2. The novel gray cast iron test bar for casting of claim 1, wherein: the butt joint grooves (4), the butt joint convex blocks (5) and the positioning screw holes (6) on the same group of limit posts (3) are arranged on the same center plane.

3. The novel gray cast iron test bar for casting of claim 1, wherein: the butt joint grooves (4) and the butt joint convex blocks (5) on the two mutually butt-jointed limit posts (3) are correspondingly embedded with each other.

4. The novel gray cast iron test bar for casting of claim 1, wherein: the connecting block (7) is of a strip-shaped structure, and holes for the positioning bolts (8) to pass through are symmetrically formed in two sides of the connecting block (7).

5. The novel gray cast iron test bar for casting of claim 1, wherein: the stretching rod body (1), the limiting round table (2), the limiting column (3), the butt joint groove (4) and the butt joint convex block (5) are integrally cast and formed, and the positioning screw hole (6) is formed for later processing.