Pipe alloy hardness detection device

Abstract

The utility model discloses a pipe alloy hardness detection device which comprises a base, an L-shaped support, an electric push rod and an alloy ball, a pressure sensor is arranged at the joint of the alloy ball and the piston end of the electric push rod, a placing table is fixedly arranged in the center of the upper end face of the base, and height limiting mechanisms are fixedly arranged on the left side and the right side of the upper end face of the base. An internal thread block is fixedly arranged at the upper end of the height limiting mechanism, a hollow external thread pipe is in threaded connection with the interior of the internal thread block, an adjusting lead screw is in threaded connection with the interior of the hollow external thread pipe, a rotating block is rotationally arranged at the outer end of the adjusting lead screw, and a plurality of pipe inner wall fastening mechanisms are hinged between the rotating block and the end of the hollow external thread pipe; according to the device, the alloy pipe is clamped and fixed from the interiors of the two ends of the alloy pipe through the pipe inner wall fastening mechanism, it can be ensured that the alloy pipe is stably and uniformly fixed in the testing process, and the device can effectively adapt to alloy pipes with different diameters by adopting the design of the adjusting lead screw and the rotating block.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy pipe hardness detection devices, specifically referring to an alloy pipe hardness detection device. Background Technique

[0002] As a common engineering material, alloy pipes are widely used in various industrial fields, and their hardness is one of the important indicators for evaluating their mechanical properties. The hardness of alloy pipes directly affects their service life and safety in engineering. Therefore, ensuring that the hardness of alloy pipes meets the standard requirements is an important link in engineering production.

[0003] Traditional alloy pipe hardness detection devices usually adopt a combination of fixed fixtures and pressure sensors, and determine the hardness of alloy pipes by applying a certain pressure and measuring the deformation. However, the traditional devices have the following defects:

[0004] Firm fixation of alloy pipes: Traditional devices generally clamp and fix alloy pipes from the outside, and there are situations of unstable fixation or uneven fixing force, which will affect the accuracy and repeatability of test results.

[0005] Adapting to alloy pipes with different diameters: Due to the design limitations of traditional devices, they cannot effectively adapt to alloy pipes with different diameters, and different fixture designs are required for alloy pipes with different diameters, increasing the operation complexity and cost. Content of the Utility Model

[0006] 1. Technical Problem

[0007] The utility model provides an alloy pipe hardness detection device, aiming to solve the problems that traditional alloy pipe hardness detection devices have unstable clamping and fixation of alloy pipes and cannot adapt to alloy pipes of different sizes.

[0008] 2. Technical Content

[0009] To solve the above technical problems, the technical solution of the utility model is: an alloy pipe hardness detection device, including a base, an L-shaped bracket is fixedly arranged at the rear side of the upper end surface of the base, an electric push rod is fixedly arranged at the upper end of the L-shaped bracket, a piston end of the electric push rod is movably connected with an alloy ball, a pressure sensor is arranged at the connection between the alloy ball and the piston end of the electric push rod, a placement table is fixedly arranged at the center of the upper end surface of the base, an arc-shaped groove is arranged on the upper end surface of the placement table, height limiting mechanisms are fixedly arranged on both the left and right sides of the upper end surface of the base, an internally threaded block is fixedly arranged at the upper end of the height limiting mechanism, a hollow externally threaded pipe is threadedly connected inside the internally threaded block, an adjusting screw rod is threadedly connected inside the hollow externally threaded pipe, a rotating block is rotatably arranged at the outer end of the adjusting screw rod, and a plurality of pipe inner wall fastening mechanisms are hinged between the rotating block and the end of the hollow externally threaded pipe.

[0010] Further, the inner wall fastening mechanism of the pipe includes a first connecting rod hinged to the side surface of the rotating block, and also includes a second connecting rod hinged to the side surface of the hollow external threaded pipe. A fastening block is hinged between the other ends of the first connecting rod and the second connecting rod.

[0011] Further, the height limiting mechanism includes a cavity fixedly arranged on the upper end surface of the base. A lifting plate is inserted into the upper end of the cavity. An internally threaded block is fixedly arranged on the upper end of the lifting plate. A fastening bolt is threadedly connected to the outside of the cavity. One end of the fastening bolt extending into the cavity contacts and presses the lifting plate to fixedly secure the lifting plate.

[0012] Further, an internal thread matching the adjusting screw rod is provided inside one end of the hollow external threaded pipe close to the adjusting screw rod. A smooth rod is fixedly arranged at one end of the adjusting screw rod extending into the hollow external threaded pipe. The other end of the smooth rod extends outside the hollow external threaded pipe and is fixedly provided with a rotating handle. The smooth rod is in clearance fit with the inner wall of the hollow external threaded pipe.

[0013] Further, leveling feet are fixedly arranged at the four corners of the bottom of the base, and bubble levels are fixedly arranged on the front and side surfaces of the base.

[0014] III. Technical Effects

[0015] The advantages of the present utility model compared with the prior art are as follows:

[0016] 1. Stable fixing design: The device clamps and fixes the alloy pipe from the inside of both ends of the alloy pipe through the inner wall fastening mechanism of the pipe, which can ensure that the alloy pipe is stably and evenly fixed during the test, improving the accuracy and repeatability of the test results.

[0017] 2. Strong adaptability: The device adopts the design of the adjusting screw rod and the rotating block to adjust the size of the fastening block expanding outwards, and the design of the height limiting mechanism, enabling it to effectively adapt to alloy pipes of different diameters. Without additional fixture design, the operation process is simplified and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic three-dimensional structure diagram of the alloy pipe hardness detection device of the present utility model Figure 1 .

[0019] Figure 2 is a schematic three-dimensional structure diagram of the alloy pipe hardness detection device of the present utility model Figure 2 .

[0020] Figure 3 is a schematic three-dimensional structure diagram of the alloy pipe hardness detection device of the present utility model Figure 3 .

[0021] Figure 4 is a schematic front view structure diagram of the alloy pipe hardness detection device of the present utility model.

[0022] Figure 5 It is a left - view structural schematic diagram of the pipe alloy hardness detection device of the present utility model.

[0023] Figure 6 It is a top - view structural schematic diagram of the pipe alloy hardness detection device of the present utility model.

[0024] As shown in the figure: 1. Base; 2. L - shaped bracket; 3. Electric push rod; 4. Alloy ball; 5. Pressure sensor; 6. Placement table; 7. Arc - shaped groove; 8. Height - limiting mechanism; 9. Internal - thread block; 10. Hollow external - thread pipe; 11. Adjusting screw rod; 12. Rotating block; 13. Pipe - inner - wall fastening mechanism; 14. Link rod one; 15. Link rod two; 16. Fastening block; 17. Cavity; 18. Lifting plate; 19. Fastening bolt; 20. Rotating handle; 21. Leveling foot cup; 22. Optical rod; 23. Bubble level. Specific embodiments

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation structure and operation. Therefore, it cannot be understood as a limitation to the present utility model.

[0026] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] The following further details the present utility model with reference to the drawings.

[0028] Embodiment 1

[0029] Combined with attached Figure 1 To attached Figure 6, a pipe alloy hardness detection device, including a base 1, a rear side of the upper end surface of the base 1 is fixedly provided with an L-shaped bracket 2, an upper end of the L-shaped bracket 2 is fixedly provided with an electric push rod 3, a piston end of the electric push rod 3 is movably connected with an alloy ball 4, a pressure sensor 5 is arranged at a connection part between the alloy ball 4 and the piston end of the electric push rod 3, a placement table 6 is fixedly arranged at the center of the upper end surface of the base 1, an arc-shaped groove 7 is arranged on the upper end surface of the placement table 6, height limiting mechanisms 8 are fixedly arranged on both left and right sides of the upper end surface of the base 1, an internally threaded block 9 is fixedly arranged at an upper end of the height limiting mechanism 8, a hollow externally threaded pipe 10 is threadedly connected inside the internally threaded block 9, an adjusting screw rod 11 is threadedly connected inside the hollow externally threaded pipe 10, a rotating block 12 is rotatably arranged at an outer end of the adjusting screw rod 11, and a plurality of pipe inner wall fastening mechanisms 13 are hinged between the rotating block 12 and an end of the hollow externally threaded pipe 10.

[0030] Through the above structural design, when the present utility model is in use, the electric push rod 3 is connected to an external power supply, and the pressure sensor 5 is connected to an external display to display the pressure. When in use, the alloy pipe is placed in the arc-shaped groove 7, then the height limiting mechanism 8 is loosened to make the internally threaded block 9 in a freely telescopic state up and down, and then the hollow externally threaded pipe 10 is rotated to drive the pipe inner wall fastening mechanism 13 to extend into the alloy pipe. After reaching an appropriate depth, the adjusting screw rod 11 is rotated to move the adjusting screw rod 11 towards the outside of the alloy pipe. At this time, the pipe inner wall fastening mechanism 13 gradually approaches the inner wall of the alloy pipe until it abuts against the inner wall of the alloy pipe to complete the clamping and fixing of the alloy pipe. At this time, the height limiting mechanism 8 is fixed to lock the position of the alloy pipe. The purpose of the subsequent operation of the height limiting mechanism 8 is to ensure that the bottom of the alloy pipe falls in the arc-shaped groove 7 to prevent suspension. After the alloy pipe is fixed, the electric push rod 3 can be started to use the alloy ball 4 to test the hardness of the alloy pipe. The indentation diameter on the surface of the alloy pipe is measured under a certain pressure, and the hardness of the alloy pipe can be obtained through calculation.

[0031] In this embodiment, the pipe inner wall fastening mechanism 13 includes a first connecting rod 14 hinged to the side surface of the rotating block 12, and further includes a second connecting rod 15 hinged to the side surface of the hollow externally threaded pipe 10. A fastening block 16 is hinged between the other ends of the first connecting rod 14 and the second connecting rod 15. An internal thread matching the adjusting screw rod 11 is arranged inside one end of the hollow externally threaded pipe 10 close to the adjusting screw rod 11. A smooth rod 22 is fixedly arranged at an end of the adjusting screw rod 11 extending into the hollow externally threaded pipe 10. The other end of the smooth rod 22 extends out of the hollow externally threaded pipe 10 and is fixedly provided with a rotating handle 20. The smooth rod 19 has a clearance fit with the inner wall of the hollow externally threaded pipe 10.

[0032] Through the above structural design, when operating the fastening mechanism 13 on the inner wall of the operating tube, rotate the rotating handle 20 to drive the adjusting screw rod 11 to rotate, thereby driving the telescopic amount of the adjusting screw rod 11 inside the hollow external threaded tube 10, driving the adjustment of the distance between the rotating block 12 and the end of the hollow external threaded tube 10, and then driving the fastening block 16 to move outward or inward under the action of the first connecting rod and the second connecting rod to clamp the inner wall of the alloy tube.

[0033] In this embodiment, the height limiting mechanism 8 includes a cavity 17 fixedly arranged on the upper end surface of the base 1. An elevating plate 18 is inserted and arranged at the upper end of the cavity 17. An internal thread block 9 is fixedly arranged at the upper end of the elevating plate 18. A fastening bolt 19 is threadedly connected to the outside of the cavity 17. One end of the fastening bolt 19 extending into the cavity 17 contacts the elevating plate 18 and presses and fixes the elevating plate.

[0034] Through the above structural design, in the initial state, loosen the fastening bolt 19 so that the elevating plate 18 can freely ascend and descend inside the cavity 17. When fixation is required, tighten the fastening bolt 19.

[0035] Embodiment 2

[0036] Compared with the first embodiment, this embodiment adds a leveling mechanism on the basis of the first embodiment, that is, leveling feet 21 are fixedly arranged at the four corners of the bottom of the base 1, and bubble levels 23 are fixedly arranged on the front and side surfaces of the base 1.

[0037] Pre-adjust the level of the base 1 through the leveling feet 21 and the bubble levels 23 to avoid errors caused by inclination to the detection structure.

[0038] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments without creative work without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A tube alloy hardness testing device, comprising a base (1), an L-shaped bracket (2) fixedly provided on the rear side of the upper end surface of the base (1), an electric push rod (3) fixedly provided on the upper end of the L-shaped bracket (2), an alloy ball (4) movably connected to the piston end of the electric push rod (3), a pressure sensor (5) provided at the connection between the alloy ball (4) and the piston end of the electric push rod (3), characterized in that: A placing platform (6) is fixedly provided at the center of the upper end surface of the base (1), and an arc groove (7) is provided on the upper end surface of the placing platform (6). A height limiting mechanism (8) is fixedly provided on both left and right sides of the upper end surface of the base (1), and an internal thread block (9) is fixedly provided at the upper end of the height limiting mechanism (8). The internal thread of the internal thread block (9) is connected to a hollow external thread tube (10), and the internal thread of the hollow external thread tube (10) is connected to an adjusting screw rod (11). A rotating block (12) is rotatably provided at the outer end of the adjusting screw rod (11), and a plurality of tube inner wall fastening mechanisms (13) are hingedly provided between the rotating block (12) and the end of the hollow external thread tube (10).

2. The tube alloy hardness testing device according to claim 1, characterized in that: The tube inner wall fastening mechanism (13) comprises a connecting rod 1 (14) hingedly arranged on the side of the rotating block (12), and a connecting rod 2 (15) hingedly arranged on the side of the hollow externally threaded tube (10), and a fastening block (16) is hingedly arranged between the other ends of the connecting rod 1 (14) and the connecting rod 2 (15).

3. The tube alloy hardness testing device according to claim 1, characterized in that: The height limiting mechanism (8) comprises a cavity (17) fixedly arranged on the upper end surface of the base (1), a lifting plate (18) being inserted into the upper end of the cavity (17), an internal thread block (9) being fixedly arranged on the upper end of the lifting plate (18), a fastening bolt (19) being threadedly connected to the outside of the cavity (17), one end of the fastening bolt (19) extending into the cavity (17) contacts the lifting plate (18) and presses and fixes the lifting plate.

4. The tube alloy hardness testing device according to claim 1, characterized in that: An inner thread matching the adjusting screw rod (11) is provided inside one end of the hollow externally threaded tube (10) close to the adjusting screw rod (11); a smooth rod (22) is fixedly provided at one end of the adjusting screw rod (11) extending into the hollow externally threaded tube (10); the other end of the smooth rod (22) extends out of the hollow externally threaded tube (10) and is fixedly provided with a rotating handle (20); the smooth rod (22) is clearance-matched with the inner wall of the hollow externally threaded tube (10).

5. The tube alloy hardness testing device according to claim 1, characterized in that: Leveling foot cups (21) are fixedly provided at the four corners of the bottom of the base (1), and bubble levels (23) are fixedly provided on the front and side surfaces of the base (1).

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