CN213068460U - Fixing clamp for casting hardness detection equipment - Google Patents
Fixing clamp for casting hardness detection equipment Download PDFInfo
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- CN213068460U CN213068460U CN202022339462.XU CN202022339462U CN213068460U CN 213068460 U CN213068460 U CN 213068460U CN 202022339462 U CN202022339462 U CN 202022339462U CN 213068460 U CN213068460 U CN 213068460U
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Abstract
The utility model discloses a mounting fixture for among foundry goods hardness testing equipment, including depression bar, threaded rod, sliding sleeve, the bow body and hardness piece down, the one end welding of the bow body has a bottom sprag, and has placed the work piece on the bottom sprag, the threaded rod screw thread is installed at the other end of the bow body, and the top welding of threaded rod has the installation piece, and the activity is pegged graft on the installation piece has the commentaries on classics handle, the sliding sleeve activity is placed on the work piece, and has seted up the slide in the sliding sleeve, and slidable mounting has steel ball, hardness piece and depression bar down in proper order in the slide, and the top of depression bar is rotated down and is installed the rotation cap, rotates the upper surface of cap and the lower surface. The utility model discloses, compact structure, it is convenient to use, and the control experiment dynamics scope of being convenient for reduces the testing result error, satisfies personnel's user demand.
Description
Technical Field
The utility model relates to a hardness testing technical field specifically is a be arranged in foundry goods hardness testing equipment mounting fixture.
Background
The metal hardness detection is the most rapid, economic and simple test method for evaluating the mechanical property of the metal. The main purpose of hardness testing is to determine the suitability of a material or the effect of a special hardening or softening treatment of a material for its intended use.
Hardness is one of the most common indicators for evaluating the mechanical properties of a metallic material, and is essentially the ability of a material to resist the penetration of another harder material. For the tested material, the hardness represents the comprehensive performance of various physical quantities such as elasticity, plasticity, strength, toughness, abrasion resistance and the like reflected under the action of a certain pressure head and a test force. The hardness test can reflect the performance difference of the metal material under different chemical compositions, tissue structures and heat treatment process conditions, so the hardness test is widely applied to the inspection of the metal performance, the supervision of the heat treatment process quality and the development of new materials.
Traditional ordinary hammering brinell hardness tester is in the use, and the hammering dynamics is not unique to lead to the experimental power not fixed, consequently look sideways at the result and have the deviation, can not satisfy personnel and user demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mounting fixture for among foundry goods hardness testing equipment, possess compact structure, it is convenient to use, the control experiment dynamics scope of being convenient for, reduce the testing result error, satisfy personnel's user demand's advantage, solve traditional ordinary hammering brinell hardness tester in the use, the hammering dynamics is not only to it is unset to lead to the testing force, consequently look sideways at the result and have the deviation, can not satisfy personnel and user demand's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mounting fixture for among foundry goods hardness-testing equipment, includes depression bar, threaded rod, sliding sleeve, the bow body and hardness piece down, the one end welding of the bow body has a bottom supporting block, and has placed the work piece on the bottom supporting block, the threaded rod screw thread is installed at the other end of the bow body, and the top welding of threaded rod has the installation piece, and the activity is pegged graft on the installation piece has changeed the handle, the sliding sleeve activity is placed on the work piece, and has seted up the slide in the sliding sleeve, and slidable mounting has steel ball, hardness piece and depression bar down in proper order in the slide, and the top of depression bar is rotated and is installed and rotate the cap down, rotates the upper surface of cap.
Preferably, the outer surface of one end of the bow body is provided with a mounting seat through a bolt, and a pointer is fixed on the mounting seat and directly faces the threaded rod.
Preferably, the bow body is provided with a threaded hole matched with the threaded rod, and the threaded rod is installed in the threaded hole in a threaded manner.
Preferably, the shapes of the lower pressing rod, the hardness block and the steel ball are matched with the shape of the slideway.
Preferably, the steel ball is positioned between the hardness block and the hardness block, and the hardness block is positioned between the steel ball and the lower pressing rod.
Preferably, the rotating handle is welded with two stop blocks, and the two stop blocks are symmetrically distributed relative to the rotating handle.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model is used for the mounting fixture in casting hardness check out test set in the use, can place the steel ball in proper order in the sliding sleeve, hardness piece and holding down the pole, then place it on the work piece that awaits measuring, at this moment, the work piece is located the bottom sprag piece of the bow body, rotate the rotating handle, it drives the threaded rod to rotate to change the handle, it moves down to drive the threaded rod through the screw-thread engagement between threaded rod and the bow body, until the threaded rod oppresses on the rotation cap of holding down the pole, can mark the colour that is convenient for read on the threaded rod, observe the position of pointer at this moment, then continue to rotate the threaded rod, until the pointer points to the assigned position department on the threaded rod, holding down the pole at this moment and oppress hardness piece and steel ball, the steel ball all leaves the indentation on work piece and hardness piece, two indentations have certain indentation ratio relation, read the diameter of two indentations through the, through mutually supporting of threaded rod and pointer, when the same thickness work piece of the different quality of test, can make things convenient for operating personnel to apply the same power, reduce the detection error, compact structure, it is convenient to use, and the control experiment dynamics scope of being convenient for reduces the testing result error, satisfies personnel's user demand.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the appearance structure of the present invention;
fig. 3 is a schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. a bottom support block; 2. steel balls; 3. a lower pressure lever; 4. a slideway; 5. a stopper; 6. turning a handle; 7. mounting blocks; 8. a threaded rod; 9. a pointer; 10. a mounting seat; 11. a sliding sleeve; 12. a bow body; 13. a hardness block; 14. a workpiece; 15. the cap is rotated.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a fixed clamp used in casting hardness detection equipment comprises a lower pressure rod 3, a threaded rod 8, a sliding sleeve 11, an arch body 12 and a hardness block 13, wherein a bottom support block 1 is welded at one end of the arch body 12, a workpiece 14 is placed on the bottom support block 1, the sliding sleeve 11 is movably placed on the workpiece 14, a slide way 4 is formed in the sliding sleeve 11, a steel ball 2, the hardness block 13 and the lower pressure rod 3 are sequentially installed in the slide way 4 in a sliding mode, the shapes of the lower pressure rod 3, the hardness block 13 and the steel ball 2 are matched with the shape of the slide way 4, the steel ball 2 is located between the hardness block 13 and the hardness block 13, the hardness block 13 is located between the steel ball 2 and the lower pressure rod 3, the steel ball 2, the hardness block 13 and the lower pressure rod 3 can be sequentially placed in the sliding sleeve 11 and then placed on the workpiece 14 to be detected, and at the moment, the workpiece 14 is located on the bottom support block.
The other end at bow 12 is installed to 8 screw threads of threaded rod, set up the screw hole with 8 looks adaptations of threaded rod on the bow 12, and 8 screw threads of threaded rod are installed at the screw hole, the top welding of threaded rod 8 has installation piece 7, the top of depression bar 3 is rotated and is installed and rotate cap 15, the upper surface of rotating cap 15 and the lower surface of threaded rod 8 contact each other, the activity is pegged graft on installation piece 7 and is changeed 6, it has dog 5 to change the welding on 6, and dog 5 is totally two, two dog 5 are symmetric distribution for changeing 6, the rotation is changeed 6, it rotates 6 drive threaded rod 8, it moves down to drive threaded rod 8 through the thread engagement between threaded rod 8 and the bow 12, oppress on the cap 15 that rotates of depression bar 3 down until threaded rod 8.
The outer surface of one end of the bow 12 is provided with a mounting seat 10 through a bolt, a pointer 9 is fixed on the mounting seat 10, the pointer 9 is right opposite to the threaded rod 8, colors convenient to read can be marked on the threaded rod 8, the position of the pointer 9 at the moment is observed, then the threaded rod 8 is continuously rotated until the pointer 9 points to a specified position on the threaded rod 8, the lower press rod 3 presses the hardness block 13 and the steel ball 2 at the moment, the steel ball 2 leaves indentations on the workpiece 14 and the hardness block 13, the two indentations have a certain proportional relation, the diameters of the two indentations are read through a reading microscope, and the Brinell hardness value of the workpiece 14 can be obtained by looking up a relation chart.
Through mutually supporting of threaded rod 8 and pointer 9, when testing different quality same thickness work piece 14, can make things convenient for operating personnel to apply the same power, reduce the detection error, compact structure, it is convenient to use, and the control experiment dynamics scope of being convenient for reduces the testing result error, satisfies personnel's user demand.
The working principle is as follows: the utility model is used for the mounting fixture in casting hardness check out test set in the use, can place steel ball 2, hardness piece 13 and holding down lever 3 in proper order in sliding sleeve 11, then place it on the work piece 14 that awaits measuring, at this moment, work piece 14 is located the bottom brace piece 1 of bow 12, rotate and change 6, change 6 drive threaded rod 8 and rotate, drive threaded rod 8 through the screw-thread engagement between threaded rod 8 and the bow 12 and move down, until threaded rod 8 oppresses on the rotating cap 15 of holding down lever 3, can mark the colour of being convenient for to read on threaded rod 8, observe the position of pointer 9 at this moment, then continue to rotate threaded rod 8, until pointer 9 points to the assigned position department on threaded rod 8, at this moment holding down lever 3 oppresses hardness piece 13 and steel ball 2, steel ball 2 all leaves the indentation on work piece 14 and hardness piece 13, two indentations have certain proportional relation, the diameters of the two indentations are read through a reading microscope, the Brinell hardness value of the workpiece 14 can be obtained by looking up a relation chart, and through the mutual matching of the threaded rod 8 and the pointer 9, when the workpieces 14 with different qualities and the same thickness are tested, the same force can be conveniently applied by an operator, and the detection error is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a mounting fixture for among foundry goods hardness-detecting equipment, includes depression bar (3), threaded rod (8), sliding sleeve (11), bow (12) and hardness piece (13), its characterized in that: the one end welding of bow body (12) has end kicking block (1), and has placed work piece (14) on end kicking block (1), threaded rod (8) screw thread is installed at the other end of bow body (12), and the top welding of threaded rod (8) has installation piece (7), and the activity is pegged graft on installation piece (7) has changeed handle (6), sliding sleeve (11) activity is placed on work piece (14), and has seted up slide (4) in sliding sleeve (11), and slidable mounting has steel ball (2), hardness piece (13) and lower depression bar (3) in proper order in slide (4), and the top of lower depression bar (3) is rotated and is installed and is rotated cap (15), rotates the upper surface of cap (15) and the lower surface of threaded rod (8) and contacts each other.
2. The fixing clamp for the casting hardness detection equipment according to claim 1, characterized in that: the outer surface of one end of the bow body (12) is provided with a mounting seat (10) through a bolt, a pointer (9) is fixed on the mounting seat (10), and the pointer (9) is opposite to the threaded rod (8).
3. The fixing clamp for the casting hardness detection equipment according to claim 1, characterized in that: the bow body (12) is provided with a threaded hole matched with the threaded rod (8), and the threaded rod (8) is installed in the threaded hole in a threaded mode.
4. The fixing clamp for the casting hardness detection equipment according to claim 1, characterized in that: the shapes of the lower pressing rod (3), the hardness block (13) and the steel ball (2) are matched with the shape of the slideway (4).
5. The fixing clamp for the casting hardness detection equipment according to claim 1, characterized in that: the steel ball (2) is located between the hardness block (13) and the hardness block (13), and the hardness block (13) is located between the steel ball (2) and the lower pressing rod (3).
6. The fixing clamp for the casting hardness detection equipment according to claim 1, characterized in that: the handle (6) is welded with two stop blocks (5), and the two stop blocks (5) are symmetrically distributed relative to the handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022339462.XU CN213068460U (en) | 2020-10-20 | 2020-10-20 | Fixing clamp for casting hardness detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022339462.XU CN213068460U (en) | 2020-10-20 | 2020-10-20 | Fixing clamp for casting hardness detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068460U true CN213068460U (en) | 2021-04-27 |
Family
ID=75562443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022339462.XU Active CN213068460U (en) | 2020-10-20 | 2020-10-20 | Fixing clamp for casting hardness detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213068460U (en) |
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2020
- 2020-10-20 CN CN202022339462.XU patent/CN213068460U/en active Active
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