Wear resistance testing device for low-carbon wear-resistant steel

Abstract

The utility model discloses a wear resistance testing device for low-carbon wear-resistant steel, which comprises a fixed base, a testing base fixedly mounted on one side of the top end of the fixed base, a vertical plate fixedly mounted on the other side of the top end of the fixed base, a clamping mechanism rotatably connected to one side of the vertical plate, and a steering wheel arranged on the top end of the testing base. An angle seat is fixedly installed on one side of the top end of the steering wheel, a mechanical arm is rotationally connected into the angle seat, a test piece is connected to the end, away from the angle seat, of the mechanical arm and comprises a length shell and a test table, and an extension rod is connected to the bottom end of the length shell in a sliding mode. By arranging the clamping mechanism, the movable block slides along the screw rod, the movable block pulls the clamping frames through the pull rod, the two clamping frames relatively deflect along the fixed frame, fixing of low-carbon wear-resistant steel of different specifications is completed, replacement and verification of a traditional clamp are replaced, and the use cost and the use time of the low-carbon wear-resistant steel clamp are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant testing, in particular to a wear-resistant testing device for low-carbon wear-resistant steel. Background Art

[0002] Wear-resistant materials are important consumable materials in the manufacturing industry and are widely used in machinery, metallurgy, electric power, building materials, national defense, shipbuilding, railways, coal, chemical industry and other fields. Typical products include bucket teeth, grinding balls, liners in excavators, crushers, ball mills and other equipment in the metallurgical industry, rollers in metal rolling mills, grinding rings and impact plates in coal crushers and coal mills in the power industry, slurry pump flow parts, and wear-resistant pipes. The consumption of wear-resistant products is huge. In recent years, with the development of equipment manufacturing industry towards large-scale, harsh application conditions and efficient operation, the performance requirements for wear-resistant materials are getting higher and higher. The development of high-performance and suitable wear-resistant materials has huge economic and social benefits.

[0003] Due to its low carbon content, low-carbon low-alloy steel has the remarkable characteristics of high strength, high toughness and high hardness in the martensite formed after quenching treatment. It can not only withstand the strong impact of hard materials such as coal gangue, but also will not be worn by coal blocks during friction with coal blocks with lower hardness. In addition, due to its relatively low alloy content, it has the advantage of low cost. Low-carbon wear-resistant steel needs to be tested for its wear resistance using a wear-resistant test device before use.

[0004] However, the traditional wear resistance testing device has the following disadvantages:

[0005] When traditional wear-resistant testing equipment is used to test low-carbon wear-resistant steel, different specifications of fixtures need to be used during the test because the specifications of the low-carbon wear-resistant steel used are different. Before each test, the user needs to check the accuracy of the fixture or replace the fixture, which increases the test cost and time. Utility Model Content

[0006] The purpose of the present utility model is to provide a wear-resistant testing device for low-carbon wear-resistant steel, so as to solve the problem that when the traditional wear-resistant testing device proposed in the above background technology is used to test low-carbon wear-resistant steel, due to the different specifications and models of low-carbon wear-resistant steel used, different specifications of fixtures need to be used during the test. Before each test, the user needs to check the accuracy of the fixture or replace the fixture, which increases the test cost and time.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solution: A wear-resistant testing device for low-carbon wear-resistant steel, comprising a fixed base, a test base fixedly mounted on one side of the top of the fixed base, a vertical plate fixedly mounted on the other side of the top of the fixed base, a clamping mechanism rotatably connected to one side of the vertical plate, a steering wheel provided on the top of the test base, an angle seat fixedly mounted on one side of the top of the steering wheel, a mechanical arm rotatably connected to the interior of the angle seat, an end of the mechanical arm away from the angle seat is connected to a test piece, the test piece comprises a length shell and a test bench, an extension rod is slidably connected to the bottom end of the length shell, the bottom end of the extension rod is fixedly connected to one side of the top of the test bench, a wear-resistant probe is fixedly mounted on the bottom end of the test bench, the clamping mechanism comprises a casing and two connecting seats, a movable groove is opened at the top of the casing, a fixing frame is fixedly mounted in the middle of the bottom end of the inner wall of the movable groove, the top ends of both sides of the fixing frame are respectively fixedly connected to one side of the two connecting seats, the insides of the two connecting seats are both rotatably connected to the clamping frames, and the opposite ends of the two clamping frames are fixedly mounted with a splint.

[0008] Preferably, a positioning plate is fixedly installed in the middle of one side of the length shell, and a lifting cylinder is fixedly installed at the bottom end of the positioning plate. The movable end of the lifting cylinder is fixedly connected to the end of the top of the test bench away from the extension rod. The length shell is connected to the mechanical arm, and the lifting cylinder performs telescopic movement. The lifting cylinder pushes the test bench from the top, so that the extension rod slides relative to the length shell, and the height of the wear-resistant probe is adjusted during the lifting of the test bench, and the wear-resistant probe performs wear resistance testing on low-carbon wear-resistant steel.

[0009] Preferably, the top of the steering wheel is rotatably connected to the side away from the angle seat with a first cylinder, the movable end of the first cylinder is rotatably connected to the side opposite to the robotic arm, the middle of the top of the robotic arm is fixedly installed with a cylinder base, one side of the cylinder base is rotatably installed with a second cylinder, the movable end of the second cylinder is connected to the side opposite to the length shell, the first cylinder performs telescopic and deflection movements, and the first cylinder pushes the robotic arm from one side to deflect at an angle along the angle seat, the second cylinder performs telescopic and deflection movements, and the second cylinder pushes the length shell from one side to deflect at an angle relative to the robotic arm.

[0010] Preferably, the top end of the test base is rotatably connected to the direction shaft, the top end of the direction shaft is fixedly connected to the bottom end of the steering wheel, the middle part of the direction shaft is fixedly installed with a driven gear, a motor base is fixedly installed on one side of the test base, a servo motor is fixedly installed on the top end of the motor base, the output end of the servo motor is fixedly installed with a connecting shaft, and a driving gear is fixedly installed on the middle part of the connecting shaft, the outer side of the driving gear is meshed with the outer side of the driven gear, the servo motor is started after being energized, the servo motor drives the connecting shaft to rotate, after the connecting shaft rotates, the driving gear rotates, the driving gear contacts the driven gear, and the driven gear drives the steering shaft to rotate after being subjected to friction, and the steering shaft drives the steering wheel to rotate, thereby adjusting the direction of the steering wheel.

[0011] Preferably, the interior of the casing is rotatably connected to a screw that passes through the fixed frame, and the surface of the screw is threadedly connected to movable blocks located on both sides of the fixed frame. The top ends of the two movable blocks are rotatably connected to pull rods, and the top ends of the two pull rods are rotatably connected to the sides opposite to the two clamping frames. A motor for driving the screw to rotate is fixedly installed on the surface of the casing. The motor is started after power is turned on, and the motor drives the screw to rotate. The screw opens two threads in opposite directions at its own dividing line, and the threads on the surface of the screw match the threads on the inner wall of the movable block. The movable block is limited by the casing, so the movable block slides along the screw, and the movable block pulls the clamping frame to deflect along the connecting seat through the pull rod. During the deflection of the clamping frame, the splint is driven to clamp and fix the low-carbon wear-resistant steel from both sides.

[0012] Preferably, one side of the housing is fixedly connected to the side of the vertical plate facing the vertical plate, and the clamping mechanism is installed on the vertical plate through the housing.

[0013] Preferably, a stepper motor for driving the housing to rotate is fixedly mounted on the surface of the vertical plate. The stepper motor starts after being powered on, and drives the housing to rotate to adjust the use direction of the low-carbon wear-resistant steel clamped in the clamping mechanism.

[0014] Compared with the existing technology, the beneficial effects of the utility model are: by setting up a clamping mechanism, the movable block slides along the screw, the movable block pulls the clamping frame through the pull rod, and the two clamping frames are relatively deflected along the fixed frame to complete the fixation of low-carbon wear-resistant steels of different specifications, replacing the traditional fixture replacement and verification, and reducing its use cost and usage time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a side view of the utility model;

[0016] Figure 2 This is a connection diagram of the steering wheel and the angle seat of the utility model;

[0017] Figure 3 It is a side view of the clamping mechanism of the utility model;

[0018] Figure 4 It is a side view of the test piece of the present invention.

[0019] In the figure: 1. Fixed base; 2. Test base; 3. Steering wheel; 4. Test piece; 41. Length shell; 42. Test bench; 43. Wear-resistant probe; 44. Extension rod; 45. Lifting cylinder; 46. Positioning plate; 5. Clamping mechanism; 501. Casing; 502. Movable slot; 503. Screw; 504. Clamping frame; 505. Clamping plate; 506. Connecting seat; 507. Fixed frame; 508. Pull rod; 509. Motor; 510. Movable block; 6. Stepper motor; 7. Vertical plate; 8. Motor base; 9. Servo motor; 10. Driving gear; 11. Connecting shaft; 12. Driven gear; 13. Steering shaft; 14. Angle seat; 15. Robotic arm; 16. Cylinder base; 17. Second cylinder; 18. First cylinder. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4 The utility model provides a wear-resistant testing device for low-carbon wear-resistant steel, comprising a fixed base 1, a test base 2 is fixedly installed on one side of the top of the fixed base 1, a vertical plate 7 is fixedly installed on the other side of the top of the fixed base 1, a clamping mechanism 5 is rotatably connected to one side of the vertical plate 7, a steering wheel 3 is provided on the top of the test base 2, an angle seat 14 is fixedly installed on one side of the top of the steering wheel 3, a mechanical arm 15 is rotatably connected to the inside of the angle seat 14, a test piece 4 is connected to the end of the mechanical arm 15 away from the angle seat 14, and the test piece 4 includes a length shell 41 and a test table 42, and the bottom end of the length shell 41 slides An extension rod 44 is connected, and the bottom end of the extension rod 44 is fixedly connected to one side of the top of the test bench 42. A wear-resistant probe 43 is fixedly installed at the bottom end of the test bench 42. The clamping mechanism 5 includes a casing 501 and two connecting seats 506. A movable groove 502 is provided at the top of the casing 501. A fixing frame 507 is fixedly installed in the middle of the bottom end of the inner wall of the movable groove 502. The top ends of both sides of the fixing frame 507 are respectively fixedly connected to one side of the two connecting seats 506. The insides of the two connecting seats 506 are rotatably connected to the clamping frames 504, and the opposite ends of the two clamping frames 504 are fixedly installed with splints 505.

[0022] A positioning plate 46 is fixedly installed in the middle of one side of the length shell 41, and a lifting cylinder 45 is fixedly installed at the bottom end of the positioning plate 46. The movable end of the lifting cylinder 45 is fixedly connected to the end of the top of the test bench 42 away from the extension rod 44. The length shell 41 is connected to the robotic arm 15, and the lifting cylinder 45 performs telescopic movement. The lifting cylinder 45 pushes the test bench 42 from the top, causing the extension rod 44 to slide relative to the length shell 41, and the height of the wear-resistant probe 43 is adjusted during the lifting and lowering of the test bench 42. The wear-resistant probe 43 performs wear resistance testing on low-carbon wear-resistant steel.

[0023] The top of the steering wheel 3 is rotatably connected to the side away from the angle seat 14 with a first cylinder 18, and the movable end of the first cylinder 18 is rotatably connected to the side opposite to the robotic arm 15. A cylinder base 16 is fixedly installed in the middle of the top of the robotic arm 15, and a second cylinder 17 is rotatably installed on one side of the cylinder base 16. The movable end of the second cylinder 17 is connected to the side opposite to the length shell 41. The first cylinder 18 performs telescopic and deflection movements, and the first cylinder 18 pushes the robotic arm 15 from one side to deflect at an angle along the angle seat 14. The second cylinder 17 performs telescopic and deflection movements, and the second cylinder 17 pushes the length shell 41 from one side to deflect at an angle relative to the robotic arm 15.

[0024] The top end of the test base 2 is rotated to connect the direction shaft 13, the top end of the direction shaft 13 is fixedly connected to the bottom end of the steering wheel 3, and a driven gear 12 is fixedly installed in the middle of the direction shaft 13. A motor base 8 is fixedly installed on one side of the test base 2, and a servo motor 9 is fixedly installed on the top end of the motor base 8. A connecting shaft 11 is fixedly installed on the output end of the servo motor 9, and a driving gear 10 is fixedly installed in the middle of the connecting shaft 11. The outer side of the driving gear 10 is meshed with the outer side of the driven gear 12. After the servo motor 9 is energized and started, the servo motor 9 drives the connecting shaft 11 to rotate. After the connecting shaft 11 rotates, the driving gear 10 rotates, and the driving gear 10 contacts the driven gear 12. After the driven gear 12 is subjected to friction, it drives the direction shaft 13 to rotate, and the direction shaft 13 drives the steering wheel 3 to rotate, thereby adjusting the direction of the steering wheel 3.

[0025] The interior of the housing 501 is rotatably connected to a screw rod 503 that passes through a fixed frame 507. The surface of the screw rod 503 is threadedly connected to movable blocks 510 located on both sides of the fixed frame 507. The tops of the two movable blocks 510 are rotatably connected to pull rods 508. The tops of the two pull rods 508 are rotatably connected to the sides opposite to the two clamping frames 504. A motor 509 that drives the screw rod 503 to rotate is fixedly installed on the surface of the housing 501. When the motor 509 is powered on, it starts and drives the motor 509 to rotate. The screw 503 rotates, and the screw 503 opens two threads in opposite directions along its own dividing line. The threads on the surface of the screw 503 match the threads on the inner wall of the movable block 510. The movable block 510 is limited by the housing 501, so the movable block 510 slides along the screw 503, and the movable block 510 pulls the clamping frame 504 along the connecting seat 506 through the pull rod 508 to cause an angular deflection. During the deflection of the clamping frame 504, it drives the splint 505 to clamp and fix the low-carbon wear-resistant steel from both sides.

[0026] One side of the housing 501 is fixedly connected to the side of the vertical plate 7 facing the vertical plate 7 , and the clamping mechanism 5 is installed on the vertical plate 7 through the housing 501 .

[0027] A stepper motor 6 for driving the housing 501 to rotate is fixedly mounted on the surface of the vertical plate 7. The stepper motor 6 starts after being energized, and drives the housing 501 to rotate, thereby adjusting the use direction of the low-carbon wear-resistant steel clamped in the clamping mechanism 5.

[0028] When the embodiment of the present application is in use: the motor 509 is powered on and started, the motor 509 drives the screw 503 to rotate, and the screw 503 has two threads in opposite directions along its own dividing line. The threads on the surface of the screw 503 match the threads on the inner wall of the movable block 510. The movable block 510 is limited by the casing 501, so the movable block 510 slides along the screw 503, and the movable block 510 pulls the clamping frame 504 along the connecting seat 506 through the pull rod 508 to deflect the angle. During the deflection of the clamping frame 504, it drives the splint 505 to clamp and fix the low-carbon wear-resistant steel from both sides. Then, the servo motor 9 is powered on and started, and the servo motor 9 drives the connecting shaft 11 to rotate. After the connecting shaft 11 rotates, the driving gear 10 rotates, and the driving gear 10 and the slave The moving gear 12 is in contact, and the driven gear 12 drives the steering shaft 13 to rotate after being subjected to friction. The steering shaft 13 drives the steering wheel 3 to rotate, and the direction of the steering wheel 3 is adjusted. The first cylinder 18 performs telescopic and deflection movements. The first cylinder 18 pushes the mechanical arm 15 from one side to deflect the angle along the angle seat 14. The second cylinder 17 performs telescopic and deflection movements. The second cylinder 17 pushes the length shell 41 from one side to deflect the angle relative to the mechanical arm 15. The lifting cylinder 45 performs telescopic movement. The lifting cylinder 45 pushes the test bench 42 from the top, so that the extension rod 44 slides relative to the length shell 41, and the height of the wear-resistant probe 43 is adjusted during the lifting of the test bench 42. The wear-resistant probe 43 performs wear resistance testing on low-carbon wear-resistant steel.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wear-resistant testing device for low-carbon wear-resistant steel, comprising a fixed base (1), characterized in that: A test base (2) is fixedly mounted on one side of the top of the fixed base (1), a vertical plate (7) is fixedly mounted on the other side of the top of the fixed base (1), and a clamping mechanism (5) is rotatably connected to one side of the vertical plate (7). A steering wheel (3) is provided on the top of the test base (2), and an angle seat (14) is fixedly mounted on one side of the top of the steering wheel (3). The angle seat (14) is rotatably connected to a mechanical arm (15) inside. The end of the mechanical arm (15) away from the angle seat (14) is connected to a test piece (4), and the test piece (4) includes a length shell (41) and a test bench (42). The bottom end of the length shell (41) is slidably connected to an extension rod (44). The extension rod (44) is connected to the bottom end of the length shell (41). The bottom end of the rod (44) is fixedly connected to one side of the top end of the test bench (42), and a wear-resistant probe (43) is fixedly installed at the bottom end of the test bench (42). The clamping mechanism (5) includes a housing (501) and two connecting seats (506). A movable groove (502) is provided at the top end of the housing (501), and a fixing frame (507) is fixedly installed in the middle of the bottom end of the inner wall of the movable groove (502). The top ends of both sides of the fixing frame (507) are fixedly connected to one side of the two connecting seats (506), and the insides of the two connecting seats (506) are both rotatably connected to the clamping frames (504), and the opposite ends of the two clamping frames (504) are both fixedly installed with splints (505).

2. The wear-resistant testing device for low-carbon wear-resistant steel according to claim 1, characterized in that: A positioning plate (46) is fixedly installed in the middle of one side of the length shell (41), and a lifting cylinder (45) is fixedly installed at the bottom end of the positioning plate (46). The movable end of the lifting cylinder (45) is fixedly connected to the end of the top of the test bench (42) away from the extension rod (44), and the length shell (41) is connected to the mechanical arm (15).

3. The wear resistance testing device for low carbon wear-resistant steel according to claim 1, characterized in that: A first cylinder (18) is rotatably connected to a side of the top of the steering wheel (3) away from the angle seat (14), and a movable end of the first cylinder (18) is rotatably connected to a side directly opposite the mechanical arm (15). A cylinder base (16) is fixedly installed in the middle of the top of the mechanical arm (15), and a second cylinder (17) is rotatably installed on one side of the cylinder base (16), and a movable end of the second cylinder (17) is connected to a side directly opposite the length shell (41).

4. The wear resistance testing device for low carbon wear-resistant steel according to claim 1, characterized in that: The top end of the test base (2) is rotatably connected to a direction shaft (13), the top end of the direction shaft (13) is fixedly connected to the bottom end of the steering wheel (3), a driven gear (12) is fixedly mounted in the middle of the direction shaft (13), a motor base (8) is fixedly mounted on one side of the test base (2), a servo motor (9) is fixedly mounted on the top end of the motor base (8), a connecting shaft (11) is fixedly mounted on the output end of the servo motor (9), a driving gear (10) is fixedly mounted in the middle of the connecting shaft (11), and the outer side of the driving gear (10) is meshedly connected with the outer side of the driven gear (12).

5. The wear resistance testing device for low carbon wear-resistant steel according to claim 1, characterized in that: The interior of the housing (501) is rotatably connected to a screw rod (503) that passes through a fixed frame (507), and the surface of the screw rod (503) is threadedly connected to movable blocks (510) located on both sides of the fixed frame (507). The top ends of the two movable blocks (510) are rotatably connected to pull rods (508), and the top ends of the two pull rods (508) are rotatably connected to the sides directly opposite to the two clamping frames (504). A motor (509) that drives the screw rod (503) to rotate is fixedly installed on the surface of the housing (501).

6. The wear resistance testing device for low carbon wear-resistant steel according to claim 1, characterized in that: One side of the housing (501) is fixedly connected to the side of the vertical plate (7) facing the vertical plate.

7. The wear resistance testing device for low carbon wear-resistant steel according to claim 1, characterized in that: A stepping motor (6) for driving the housing (501) to rotate is fixedly mounted on the surface of the vertical plate (7).

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