Auxiliary device for metering of hammering type Brinell hardness tester

Abstract

The utility model is applicable to the technical field of durometers, and discloses an auxiliary device for metering of a hammering type Brinell durometer, rotating columns are rotationally mounted in the middles of two ends of the side edge of a handheld plate through bearings, a hollow frame is vertically and fixedly mounted on the side edge of each rotating column, and a driving mechanism is arranged in each hollow frame; a transmission frame is fixedly installed between the tops of the outer sides of the two hollow frames, a transmission mechanism is arranged in the transmission frame and is in transmission connection with the driving mechanism, a fixing plate is slidably installed between the outer sides of the two hollow frames, the transmission mechanism is in transmission connection with the outer side of the fixing plate, and a fixing suction cup is fixedly installed at the bottom of the fixing plate. And the fixed sucking disc is positioned below the outer side of the handheld plate. According to the technical scheme, the surface of a sample can be adsorbed and fixed by the fixed suction cup, so that the fixed suction cup can provide corresponding adsorption force for the whole mechanism, the labor consumption required by an operator for stabilizing the sample is reduced, and the detection treatment on the hardness of the sample is improved.

Description

Technical Field

[0001] This utility model relates to the field of hardness tester technology, and in particular to an auxiliary device for measurement using a hammer-type Brinell hardness tester. Background Art

[0002] Currently, the hammer-type Brinell hardness tester applies test force to a steel ball by hammering. Under the action of the hammering force, the steel ball is instantly pressed into the surface of the sample, leaving an indentation. Then, the diameter of the indentation is measured, and the Brinell hardness value of the sample is obtained by looking up a table.

[0003] However, when using a hammer-type Brinell hardness tester to impact the sample surface for hardness testing on a relatively smooth sample surface, the operator needs to manually and continuously keep the hardness tester in contact with the sample surface. This process is too time-consuming and labor-intensive, and it cannot guarantee the stability of the overall mechanism on the sample surface. Furthermore, insufficient stability of the hardness tester can easily affect the accuracy of the testing mechanism. Therefore, we propose an auxiliary device for hammer-type Brinell hardness testing. Utility Model Content

[0004] The main objective of this invention is to provide an auxiliary device for measuring the Brinell hardness of a hammer-type hardness tester, which can effectively solve the problems in the background art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An auxiliary device for measuring with a hammer-type Brinell hardness tester includes a handrail, a support plate fixedly installed on the side of the handrail, an impact detection head disposed inside the support plate, and rotating columns rotatably installed at the middle of both ends of the side of the handrail via bearings, with a hollow frame vertically fixedly installed on the side of each rotating column.

[0007] Each hollow frame is equipped with a drive mechanism inside, and a transmission frame is fixedly installed between the top outer sides of the two sets of hollow frames. The transmission frame is equipped with a transmission mechanism inside, and the transmission mechanism and the drive mechanism are connected in a transmission manner.

[0008] A fixed plate is slidably installed between the outer sides of the two sets of hollow frames, and the transmission mechanism is connected to the outer side of the fixed plate. A fixed suction cup is fixedly installed at the bottom of the fixed plate, and the fixed suction cup is located below the outer side of the handrail.

[0009] By adopting the above technical solution, the fixed plate and the fixed suction cup below it can be moved vertically in sync through the cooperation of the driving mechanism and the transmission mechanism. This allows the fixed suction cup to adsorb and fix the sample surface, and provides the overall mechanism with the corresponding adsorption force, reducing the labor required for the operator to stabilize the sample and improving the detection and processing of sample hardness.

[0010] As an optional solution to the technical solution of this application, the driving mechanism includes a rotating lead screw, which is rotatably installed inside the hollow frame through a bearing. A lifting sleeve is movably sleeved on the outer surface of each rotating lead screw, and a connecting frame is fixedly installed on the outer surface of each lifting sleeve. The bottom of the connecting frame is fixedly connected to the top surface of the fixed plate. A limiting groove is opened at the bottom of the side of each hollow frame, and the connecting frame is slidably inserted into the limiting groove.

[0011] By adopting the above technical solution, the rotational transmission of the lifting sleeve through the rotating screw can provide the adjustment power required for the vertical movement of the fixed plate and the fixed suction cup.

[0012] As an optional solution to the technical solution of this application, the transmission mechanism includes a transmission sprocket, a follower sprocket, and a transmission chain ring. Connecting rods are vertically mounted on both sides of the transmission frame via bearings, and the follower sprocket is fixedly sleeved on the outside of the connecting rod. A fixed rod is vertically mounted on the inside of the middle of the transmission frame via bearings, and the transmission sprocket is fixedly sleeved on the outside of the fixed rod. The inner side of the transmission chain ring meshes with the outer sides of the transmission sprocket and the follower sprocket.

[0013] By adopting the above technical solution, through the meshing transmission action of the transmission chain ring, the transmission sprocket, and the follower sprocket, it can be ensured that when the transmission rod is turned, the two sets of rotating screws will rotate synchronously and in the same direction.

[0014] As an optional solution to the technical solution of this application, a transmission rod is fixedly installed on the top of the fixed rod, and the transmission rod is rotatably installed on the outside of the transmission frame. A fixed sleeve is fixedly sleeved on the outer surface of the top of the transmission rod. An installation plate is horizontally fixedly installed on the outer surface of each fixed sleeve, and the installation plate is rotatably installed on the outside of the transmission frame. A tightening bolt is vertically screwed into the middle of the installation plate through a thread, and the tightening bolt is located on the outside of the transmission frame.

[0015] By adopting the above technical solution, the transmission rod is connected to the fixed sleeve and mounting plate, and the tightening action of the bolts allows the transmission rod to be stably fixed to the outside of the transmission frame, preventing arbitrary rotation of the transmission rod from affecting the adsorption stability of the fixed suction cup on the overall mechanism.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. An auxiliary device for measuring the hardness of a hammer-type Brinell hardness tester, as described in this application, uses a transmission chain to mesh and drive a transmission sprocket and a follower sprocket. When using an integrated hardness testing mechanism to test the hardness of samples with relatively smooth surfaces, the operator only needs to turn the transmission rod to rotate the fixed rod and the transmission sprocket. Under the meshing transmission of the transmission chain, the two sets of connecting rods and the follower sprocket rotate synchronously. This, in turn, drives two sets of rotating screws to rotate synchronously and in the same direction inside the hollow frame. Combined with the rotational transmission of the rotating screws to the lifting sleeve, the fixed plate and the fixed suction cup below it move vertically synchronously. This allows the fixed suction cup to adsorb and fix the sample surface, providing the overall mechanism with the appropriate adsorption force. This reduces the labor required for the operator to stabilize the sample and improves the hardness testing of the sample.

[0018] 2. An auxiliary device for measuring with a hammer-type Brinell hardness tester, as described in this application, uses a fixed sleeve to loosen the mounting plate and the tightening bolts. This allows the operator to tighten the bolts so that their bottom can fit against the outside of the transmission frame, thus stably fixing the transmission rod to the outside of the transmission frame and preventing arbitrary rotation of the transmission rod from affecting the adsorption stability of the fixed suction cup on the overall mechanism. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an auxiliary device for measuring with a hammer-type Brinell hardness tester according to the present invention.

[0020] Figure 2 This is a side view sectional view of the handrail structure of an auxiliary device for measuring with a hammer-type Brinell hardness tester according to the present invention.

[0021] Figure 3 This is a schematic diagram of the hollow frame structure of an auxiliary device for measuring with a hammer-type Brinell hardness tester according to the present invention.

[0022] Reference numerals: 1. Handrail; 11. Support plate; 12. Impact detection head; 2. Rotating column; 21. Hollow frame; 22. Transmission frame; 23. Connecting rod; 24. Follower sprocket; 25. Fixed rod; 26. Transmission sprocket; 27. Transmission chain ring; 3. Rotating screw; 31. Lifting sleeve; 32. Connecting frame; 33. Fixed plate; 34. Fixed suction cup; 4. Transmission rod; 41. Fixed sleeve; 42. Mounting plate; 43. Tightening bolt; 5. Limiting groove. Detailed Implementation

[0023] like Figure 1-3As shown, this utility model provides a technical solution: an auxiliary device for measuring with a hammer-type Brinell hardness tester. A rotating column 2 is rotatably mounted on the middle of both ends of the side of the handrail 1 via bearings. A hollow frame 21 is vertically fixed on the side of each rotating column 2. A driving mechanism is provided inside each hollow frame 21. The driving mechanism includes a rotating lead screw 3, which is rotatably mounted inside the hollow frame 21 via bearings. A lifting sleeve 31 is movably sleeved on the outer surface of each rotating lead screw 3. A connecting frame 32 is fixedly mounted on the outer surface of each lifting sleeve 31, and the bottom of the connecting frame 32 is fixedly connected to the top surface of the fixed plate 33. A fixed plate 33 is slidably mounted between the outer sides of the two sets of hollow frames 21, and a transmission mechanism is connected to the outer side of the fixed plate 33. A fixed suction cup 34 is fixedly mounted on the bottom of the fixed plate 33, and the fixed suction cup 34 is located below the outer side of the handrail 1.

[0024] In this technical solution (through Figure 1 , Figure 2 and Figure 3 As shown, a transmission frame 22 is fixedly installed between the top outer sides of the two sets of hollow frames 21. A transmission mechanism is provided inside the transmission frame 22, and the transmission mechanism is connected to the drive mechanism. The transmission mechanism includes a transmission sprocket 26, a follower sprocket 24, and a transmission chain ring 27. Connecting rods 23 are vertically mounted on both sides of the transmission frame 22 via bearings, and the follower sprocket 24 is fixedly sleeved on the outside of the connecting rod 23. A fixing rod 25 is vertically mounted inside the middle of the transmission frame 22 via bearings, and the transmission sprocket 26 is fixedly sleeved on the outside of the fixing rod 25. The inner side of the transmission chain ring 27 is meshed with the outer sides of the transmission sprocket 26 and the follower sprocket 24.

[0025] In this technical solution (through Figure 1 , Figure 2 and Figure 3 As shown, a transmission rod 4 is fixedly installed on the top of the fixed rod 25, and the transmission rod 4 is rotatably installed on the outside of the transmission frame 22. A fixed sleeve 41 is fixedly sleeved on the outer surface of the top of the transmission rod 4. A mounting plate 42 is horizontally fixedly installed on the outer surface of each fixed sleeve 41, and the mounting plate 42 is rotatably installed on the outside of the transmission frame 22.

[0026] In this technical solution (through Figure 1 , Figure 2 and Figure 3 As shown), a clamping bolt 43 is vertically screwed into the middle of the mounting plate 42 by a thread, and the clamping bolt 43 is located on the outside of the transmission frame 22.

[0027] In some technical solutions (through Figure 1 , Figure 2 and Figure 3 As shown, each hollow frame 21 has a limiting groove 5 on its side bottom, and the connecting frame 32 is slidably inserted into the limiting groove 5.

[0028] During operation, after placing the impact detection head 12 on the outside of the sample to be tested, the clamping bolt 43 is tightened to disengage its bottom from the outside of the transmission frame 22. Then, the transmission rod 4 is tightened, causing the transmission sprocket 26 to rotate synchronously inside the transmission frame 22. Combined with the transmission chain ring 27, the meshing transmission action of the transmission sprocket 26 and the follower sprocket 24 drives the two sets of connecting rods 23 to rotate synchronously and in the same direction. Furthermore, under the transmission action of the connecting rods 23, the rotating screws 3 located inside the hollow frames 21 on both sides of the handrail 1 can rotate synchronously and in the same direction. This, combined with the limiting groove 5, further... Under the guiding and limiting action of the connecting frame 32, the lifting sleeve 31 can move vertically inside the hollow frame 21 synchronously with the rotation of the rotating screw 3. Subsequently, under the transmission connection action of the connecting frame 32, the fixed plate 3311 and the fixed suction cup 34 located below the handrail 1 can move vertically synchronously until the fixed suction cup 34 can be squeezed to adsorb the whole mechanism onto the sample surface, thereby improving the placement stability of the whole detection mechanism. Then, the hammer is used to strike the detection head 12 to strike the sample surface, and the diameter of the dent produced by the strike is measured, and the hardness is judged.

Claims

1. An auxiliary device for measuring with a hammer-type Brinell hardness tester, comprising a handrail (1), wherein a support plate (11) is fixedly mounted on the side of the handrail (1), and an impact detection head (12) is disposed inside the support plate (11), characterized in that: The handrail (1) has rotating columns (2) mounted on both sides of the middle of the two ends via bearings, and each rotating column (2) has a hollow frame (21) fixedly mounted on its side. Each hollow frame (21) is provided with a drive mechanism inside. A transmission frame (22) is fixedly installed between the top outer sides of the two sets of hollow frames (21). The transmission frame (22) is provided with a transmission mechanism inside, and the transmission mechanism and the drive mechanism are connected in a transmission manner. A fixing plate (33) is slidably installed between the outer sides of the two sets of hollow frames (21), and the transmission mechanism is connected to the outer side of the fixing plate (33). A fixing suction cup (34) is fixedly installed at the bottom of the fixing plate (33), and the fixing suction cup (34) is located below the outer side of the handrail (1).

2. The auxiliary device for measurement using a hammer-type Brinell hardness tester according to claim 1, characterized in that: The driving mechanism includes a rotating lead screw (3), which is rotatably installed inside the hollow frame (21) via a bearing. Each rotating lead screw (3) has a lifting sleeve (31) movably sleeved on its outer surface. Each lifting sleeve (31) has a connecting frame (32) fixedly installed on its outer surface, and the bottom of the connecting frame (32) is fixedly connected to the top surface of the fixing plate (33).

3. The auxiliary device for measurement using a hammer-type Brinell hardness tester according to claim 1, characterized in that: The transmission mechanism includes a transmission sprocket (26), a follower sprocket (24), and a transmission chain ring (27). The transmission frame (22) has connecting rods (23) mounted vertically on both sides through bearings, and the follower sprocket (24) is fixedly sleeved on the outside of the connecting rod (23). The transmission frame (22) has a fixed rod (25) mounted vertically on the inside of the middle end through bearings, and the transmission sprocket (26) is fixedly sleeved on the outside of the fixed rod (25). The inner side of the transmission chain ring (27) meshes with the outer sides of the transmission sprocket (26) and the follower sprocket (24).

4. The auxiliary device for measurement using a hammer-type Brinell hardness tester according to claim 3, characterized in that: A transmission rod (4) is fixedly installed on the top of the fixed rod (25), and the transmission rod (4) is rotatably installed on the outside of the transmission frame (22). A fixed sleeve (41) is fixedly sleeved on the outer surface of the top of the transmission rod (4). An installation plate (42) is horizontally fixedly installed on the outer surface of each fixed sleeve (41), and the installation plate (42) is rotatably installed on the outside of the transmission frame (22).

5. An auxiliary device for measuring with a hammer-type Brinell hardness tester according to claim 4, characterized in that: The mounting plate (42) has a tightening bolt (43) screwed vertically into the middle of its interior by a thread, and the tightening bolt (43) is located outside the transmission frame (22).

6. The auxiliary device for measurement using a hammer-type Brinell hardness tester according to claim 1, characterized in that: Each hollow frame (21) has a limiting groove (5) at the bottom of its side, and the connecting frame (32) is slidably inserted into the limiting groove (5).

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