Leeb hardness tester

By designing the matching structure of the fixed ring and movable ring in the Richter hardness meter, the problem that the hardness meter cannot guarantee vertical impact when detecting symmetric curved workpieces is solved, achieving more accurate measurement and convenient installation and disassembly of the inspection table.

CN223005937UActive Publication Date: 2025-06-20YANTAI ZHONGBIAO TECHNOLOGY SERVICES CO LTD
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Patent Information

Application Number
CN202421567062.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-06-20
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

During the inspection process, it is difficult for existing Richmond hardness meters to ensure that the ball head impacts the surface of the object to be measured in a vertical direction. Especially when detecting symmetric curved workpieces such as pipelines, the verticality of the hardness meter cannot be effectively controlled, resulting in an increase in measurement error.

Method used

A Richter hardness meter is designed, which includes a host, a data line and a detection pen. The outside of the detection pen is equipped with a fixed ring and a movable ring. The movable ring is fixedly connected to the detection table by legs. The detection table is equipped with a detection plate and an anti-slip protrusion. Through the coordination of the movable ring and the fixed ring, the vertical impact of the ball head can be ensured, and the spring and clamp design are designed to facilitate the installation and disassembly of the detection table.

Benefits of technology

Through this design, it can be effectively ensured that the ball head impacts the surface of the object to be tested in a vertical direction, reduces measurement errors, and simplifies the installation and disassembly of the detection table, and adapts to the object to be tested of different thicknesses.

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Abstract

The utility model discloses a Leeb hardness tester belonging to the technical field of Leeb hardness testers, which comprises a host, a data line and a detection pen, one end of the host is provided with the data line, one end of the data line is provided with the detection pen, the outer side of the detection pen is provided with a fixed ring, the outer side of the fixed ring is provided with a movable ring, the outer side of the movable ring is provided with a support leg, and the support leg is provided with a support rod. The bottom of the supporting leg is fixedly connected with the detection table, the movable ring is sleeved on the outer side of the fixed ring, the movable ring is clamped on the outer side of the detection pen, then the detection table is horizontally placed, and an object to be detected is placed on the detection table for detection, so that the ball head can be ensured to impact the surface to be detected in the vertical direction, and the perpendicularity of the Leeb hardness tester can be well controlled; therefore, errors generated in the measurement process are reduced; the detection plate is pulled out of or put into the connecting groove to adapt to objects to be detected with different thicknesses, the detection effect is improved, and convenience is brought to connection and disassembly of the detection plate through the arranged handle and the arranged anti-skid sleeve.
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Description

Technical Field

[0001] The utility model belongs to the technical field of Leeb hardness testers, and particularly relates to a Leeb hardness tester. Background Art

[0002] At present, there are still some defects in the use of existing Leeb hardness testers. During the detection process, it is often impossible to ensure that the ball head impacts the surface of the object to be measured in a vertical direction. For symmetrical curved surface workpieces such as pipes commonly found in on-site tests, it is impossible to well control the verticality of the Leeb hardness tester, resulting in an increase in measurement error. Therefore, we propose a Leeb hardness tester. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a Leeb hardness tester to solve the problem that it is impossible to ensure that the ball head impacts the surface of the object to be measured in a vertical direction as mentioned in the above background art, and for symmetrical curved surface workpieces such as pipes commonly found in on-site tests, it is impossible to well control the verticality of the Leeb hardness tester, resulting in an increase in measurement error.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A Leeb hardness tester includes a main unit, a data cable, and a detection pen. One end of the main unit is provided with a data cable, one end of the data cable is provided with a detection pen, a fixing ring is arranged outside the detection pen, the fixing ring is fixedly connected to the outside of the detection pen, a movable ring is arranged outside the fixing ring, the movable ring is clamped outside the fixing ring, legs are arranged outside the movable ring, the number of legs is four, the legs are fixedly connected to the outside of the movable ring, and a detection table is fixedly connected to the bottom of the legs.

[0005] Preferably, clamping blocks are arranged on both sides of the fixing ring, two card slots are arranged on the inner side of the movable ring, the clamping blocks are adapted to the card slots, and the clamping blocks are clamped inside the card slots.

[0006] Preferably, grooves are arranged on both sides of the fixing ring, springs are arranged inside the grooves, one end of each spring is fixedly connected to the inside of the groove, the other end of each spring is fixedly connected to a clamping block, and the clamping blocks are slidably connected to the inside of the grooves.

[0007] Preferably, detection plates are arranged inside the detection table, the number of the detection plates is several, the detection plates are clamped inside the detection table, and a plurality of anti-slip protrusions are arranged on the upper surface of the detection plates.

[0008] Preferably, a receiving cavity is arranged in the middle of the detection table, connecting grooves are arranged on both sides of the detection table, the connecting grooves extend into the receiving cavity, and the detection plates are clamped inside the connecting grooves.

[0009] Preferably, a handle is fixedly connected to one end of the detection plate, and an anti-slip sleeve is arranged outside the handle.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. By sleeving the movable ring outside the fixed ring, clamping the movable ring outside the detection pen, then laying the detection table flat, and placing the object to be detected on the detection table for detection, it can ensure that the ball head impacts the surface of the object to be measured in a vertical direction, can well control the verticality of the Leeb hardness tester, thereby reducing the error generated during the measurement process.

[0012] 2. By pressing the clamping block, the spring expands and contracts, enters from the card slot into the groove inside, the clamping block separates from the card slot, and the movable ring is removed from the fixed ring, so that the detection pen can be used alone, which brings convenience to the installation and disassembly work of the detection table. By pulling out or inserting the detection plate from the connection groove, it is used to adapt to objects to be detected with different thicknesses, improving the detection effect. The provided handle and anti-slip sleeve bring convenience to the connection and disassembly work of the detection plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic diagram of the disassembly structure of the movable ring and the fixed ring of the present utility model;

[0015] Figure 3 is a schematic diagram of the structure of the clamping block and the groove of the present utility model;

[0016] Figure 4 is a schematic diagram of the structure of the detection plate and the detection table of the present utility model.

[0017] In the figure: 1. Main body; 2. Data cable; 3. Detection pen; 4. Fixed ring; 5. Movable ring; 6. Leg; 7. Detection table; 8. Clamping block; 9. Card slot; 10. Groove; 11. Spring; 12. Anti-slip sleeve; 13. Detection plate; 14. Anti-slip protrusion; 15. Accommodation cavity; 16. Connection groove; 17. Handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-4, the present utility model provides a technical solution for a Leeb hardness tester: including a main unit 1, a data cable 2, and a detection pen 3. One end of the main unit 1 is provided with the data cable 2, one end of the data cable 2 is provided with the detection pen 3. A fixing ring 4 is arranged outside the detection pen 3, the fixing ring 4 is fixedly connected to the outside of the detection pen 3. An activity ring 5 is arranged outside the fixing ring 4, the activity ring 5 is clamped outside the fixing ring 4. Legs 6 are arranged outside the activity ring 5, the number of legs 6 is four, the legs 6 are fixedly connected to the outside of the activity ring 5, and a detection table 7 is fixedly connected to the bottom of the legs 6.

[0020] Specifically, clamping blocks 8 are arranged on both sides of the fixing ring 4, two clamping grooves 9 are arranged inside the activity ring 5, the clamping blocks 8 are adapted to the clamping grooves 9, and the clamping blocks 8 are clamped inside the clamping grooves 9.

[0021] Specifically, grooves 10 are arranged on both sides of the fixing ring 4, springs 11 are arranged inside the grooves 10, one end of the spring 11 is fixedly connected inside the groove 10, the other end of the spring 11 is fixedly connected with a clamping block 8, and the clamping block 8 is slidably connected inside the groove 10.

[0022] Specifically, a detection board 13 is arranged inside the detection table 7, the number of the detection boards 13 is several, the detection boards 13 are clamped inside the detection table 7, and a plurality of anti-slip protrusions 14 are arranged on the upper surface of the detection boards 13.

[0023] Specifically, a receiving cavity 15 is arranged in the middle of the detection table 7, connecting grooves 16 are arranged on both sides of the detection table 13, the connecting grooves 16 extend into the receiving cavity 15, and the detection boards 13 are clamped inside the connecting grooves 16.

[0024] Specifically, a handle 17 is fixedly connected to one end of the detection board 7, and an anti-slip sleeve 12 is arranged outside the handle 17.

[0025] In this implementation scheme, when the Leeb hardness tester is used, the activity ring 5 is sleeved outside the fixing ring 4, the activity ring 5 is clamped outside the detection pen 3, and then the detection table 7 is placed flat. By placing the object to be detected on the detection table 7 for detection, it can ensure that the ball head impacts the surface of the object to be detected in the vertical direction, and can well control the verticality of the Leeb hardness tester, thereby reducing the error generated during the measurement process.

[0026] By pressing the clamping block 8, the spring 11 expands and contracts, enters from the clamping groove 9 into the groove 10, the clamping block 8 is separated from the clamping groove 9, and the activity ring 5 is removed from the fixing ring 4. The detection pen 3 can be used alone, which brings convenience to the installation and disassembly work of the detection table 7. By pulling out or inserting the detection board 13 from inside the connecting groove 16, it is used to adapt to objects to be detected with different thicknesses, improving the detection effect. The arrangement of the handle 17 and the anti-slip sleeve 12 brings convenience to the connection and disassembly work of the detection board 13.

[0027] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A Leeb hardness tester, comprising a host (1), a data cable (2) and a detection pen (3), characterized in that: A data cable (2) is provided at one end of the host (1), a detection pen (3) is provided at one end of the data cable (2), a fixed ring (4) is provided on the outside of the detection pen (3), the fixed ring (4) is fixedly connected to the outside of the detection pen (3), a movable ring (5) is provided on the outside of the fixed ring (4), the movable ring (5) is clamped on the outside of the fixed ring (4), a support leg (6) is provided on the outside of the movable ring (5), the number of the support legs (6) is four, the support legs (6) are fixedly connected to the outside of the movable ring (5), and a detection platform (7) is fixedly connected to the bottom of the support legs (6).

2. A Leeb hardness tester according to claim 1, characterized in that: Blocks (8) are provided on both sides of the fixed ring (4), and two slots (9) are provided on the inner side of the movable ring (5). The block (8) is adapted to the slots (9), and the block (8) is snapped into the slots (9).

3. A Leeb hardness tester according to claim 2, characterized in that: Grooves (10) are provided on both sides of the fixing ring (4), a spring (11) is provided inside the groove (10), one end of the spring (11) is fixedly connected inside the groove (10), and the other end of the spring (11) is fixedly connected to a clamping block (8), and the clamping block (8) is slidably connected inside the groove (10).

4. A Leeb hardness tester according to claim 1, characterized in that: A detection plate (13) is provided inside the detection platform (7), and the number of the detection plates (13) is several. The detection plates (13) are clamped inside the detection platform (7), and the upper surface of the detection plates (13) is provided with several anti-slip protrusions (14).

5. A Leeb hardness tester according to claim 4, characterized in that: The detection platform (7) is provided with a receiving cavity (15) in the middle, and connecting grooves (16) are provided on both sides of the detection platform (7). The connecting grooves (16) extend into the interior of the receiving cavity (15), and the detection board (13) is snap-connected inside the connecting grooves (16).

6. A Leeb hardness tester according to claim 4, characterized in that: One end of the detection plate (13) is fixedly connected to a handle (17), and an anti-slip sleeve (12) is provided on the outside of the handle (17).