Brake disc blank hardness detection tool

Abstract

The utility model discloses a brake disc blank hardness detection tool, and relates to the brake disc hardness detection technology field, the brake disc blank hardness detection tool comprises a pedestal, one side of the top of the pedestal is slidingly connected with a placing seat, one side of the pedestal is internally provided with a motor, the output end of the motor is fixedly connected with a screw rod penetrating into the placing seat, and the output end of the screw rod is fixedly connected with a screw rod. A first gear is fixedly connected to the top end of the lead screw, and a first connecting frame is slidably connected into the placing base. The motor is started, the motor drives the lead screw to rotate, the lead screw drives the two racks to move reversely through the first gear when rotating, the racks drive the arc-shaped plate to move through the first connecting frame when moving, meanwhile, the lead screw drives the moving block to move when rotating, and the moving block drives the fixing plate to move through the second connecting frame when moving. In the design, the brake disc blank can be fixed under the condition that only one power source is used, and the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of brake disc hardness detection, in particular to a tool for detecting the hardness of a brake disc blank. Background Art

[0002] To put it simply, the brake disc is a round plate that rotates when the car is moving. The brake caliper clamps the brake disc to generate braking torque. When you step on the brakes, it is the caliper that clamps the brake disc to slow down or stop the car. The brake disc has a good braking effect.

[0003] In a Rockwell hardness tester for brake disc FNC testing with patent number CN218725268U, the brake disc is placed on a placement table, and then the servo motor is started to drive the second screw to rotate, so that the two moving blocks move towards each other, driving the clamping plate to clamp the brake disc, and then the telescopic rod is started to drive the pressure plate downward to press the brake disc down. The third screw rotates to drive the pressure head downward to test the hardness of the brake disc.

[0004] However, in this device, two power sources are required to fix the brake disc, which increases the cost of use. At the same time, the operation of disassembling the device is complicated and wastes a lot of time. Utility Model Content

[0005] The purpose of the utility model is to provide a brake disc blank hardness detection tool to solve the problem that two power sources are needed to fix the brake disc, which increases the cost of use and the operation is complicated and a lot of time is wasted when disassembling the device.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: A brake disc blank hardness testing tool comprises a base, one side of the top of the base is slidably connected to a placement seat to provide support, a motor is installed inside one side of the base to provide a power source, the output end of the motor is fixedly connected to a screw rod that passes through the inside of the placement seat and can rotate, the top of the screw rod is fixedly connected to a first gear and can be transmitted by meshing, the inside of the placement seat is slidably connected to a first connecting frame to play a connecting role, one side of the first connecting frame is fixedly connected to a rack meshed with the first gear and can be transmitted by meshing, the top of the first connecting frame is fixedly connected to an arc plate to move, the outer side of the screw rod is rotatably connected to a moving block to move, one side of the moving block is fixedly connected to a second connecting frame to play a connecting role, the top of the second connecting frame is fixedly connected to a fixed plate to play a fixing role, one side of the bottom end of the placement seat is rotatably connected to a moving rod to move, and the top of the base is fixedly connected to a limit block that cooperates with the moving rod on one side of the placement seat to play a limiting role.

[0007] As a further solution of the present invention: the top of the base is detachably connected to a connecting shaft, which can play a connecting role; the top of the connecting shaft is provided with a support block, which can play a supporting role; the internal rotation of one end of the support block is connected to a measuring device and can be moved; the top of the base is located on one side of the connecting shaft and is rotatably connected to a rotating shaft that penetrates into the base and can be rotated; the bottom end of the rotating shaft is fixedly connected to a second gear and can be transmitted through meshing; the internal rotation of the base is connected to a third gear that meshes with the second gear and can be transmitted through meshing; the top of the third gear is rotatably connected to a connecting rod and can play a connecting role; the internal sliding connection of the base is provided with a fixed shaft, which can play a connecting role; the bottom end of the fixed shaft is rotatably connected to one end of the connecting rod, and the top of the fixed shaft is fixedly connected to a fixed block and can be moved.

[0008] As a further solution of the present invention: a moving groove that matches the moving block is opened inside the base, so that the moving block can move inside the base.

[0009] As a further solution of the present invention: the second connecting frame is slidably connected to the base, so that the second connecting frame can slide inside the base.

[0010] As a further solution of the present invention: a matching groove that matches the arc-shaped plate is opened inside the placement seat, so that the arc-shaped plate can move inside the placement seat.

[0011] As a further solution of the present invention: a circular groove matching the connecting shaft is opened inside the base, so that the connecting shaft can be placed inside the base.

[0012] As a further solution of the present invention: a fixing groove cooperating with the fixing block is provided inside the connecting shaft, so that the fixing block can be moved into the interior of the connecting shaft.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. When the movement occurs, the motor is started, and the motor drives the screw to rotate. When the screw rotates, the two racks are driven to move in opposite directions through the first gear. When the racks move, the arc plate is driven to move through the first connecting frame. At the same time, when the screw rotates, the moving block is driven to move. When the moving block moves, the fixed plate is driven to move through the second connecting frame. Then, the placement seat is driven to move through the moving rod. In this design, the brake disc blank can be fixed while using only one power source, which reduces the cost of use.

[0015] 2. When moving, the rotating shaft is rotated, and when the rotating shaft rotates, the second gear is driven to rotate. When the second gear rotates, the third gear engaged with it is driven to rotate. When the third gear rotates, the connecting rod is driven to move. When the connecting rod moves, the fixed shaft is driven to move. When the fixed shaft moves, the fixed block is driven to move, so that the fixed block is separated from the connecting shaft. In this design, the disassembly of the device can be completed through simple operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixed structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the mobile mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the disassembly and assembly structure of the utility model.

[0020] In the figure: 1. Base; 2. Connecting shaft; 3. Support block; 4. Motor; 5. Screw; 6. First gear; 7. Placement seat; 8. First connecting frame; 9. Rack; 10. Arc plate; 11. Moving block; 12. Second connecting frame; 13. Fixed plate; 14. Rotating shaft; 15. Second gear; 16. Third gear; 17. Connecting rod; 18. Fixed shaft; 19. Fixed block; 20. Measuring device; 21. Limit block; 22. Moving rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1 to 4In the embodiment of the present utility model, a brake disc blank hardness testing tool is provided, including a base 1, one side of the top of the base 1 is slidably connected to a placement seat 7, a motor 4 is installed inside one side of the base 1, the output end of the motor 4 is fixedly connected to a screw rod 5 that penetrates into the placement seat 7, the top of the screw rod 5 is fixedly connected to a first gear 6, the interior of the placement seat 7 is slidably connected to a first connecting frame 8, one side of the first connecting frame 8 is fixedly connected to a rack 9 that meshes with the first gear 6, the top of the first connecting frame 8 is fixedly connected to an arc plate 10, the outer side of the screw rod 5 is rotatably connected to a moving block 11, one side of the moving block 11 is fixedly connected to a second connecting frame 12, the top of the second connecting frame 12 is fixedly connected to a fixed plate 13, one side of the bottom end of the placement seat 7 is rotatably connected to a moving rod 22, and the top of the base 1 is located on one side of the placement seat 7 and is fixedly connected to a limit block 21 that cooperates with the moving rod 22.

[0023] In this embodiment: by placing the brake disc blank on the placement seat 7, and then starting the motor 4, the motor 4 drives the screw rod 5 to rotate, and when the screw rod 5 rotates, it drives the first gear 6 to rotate, and when the first gear 6 rotates, it drives the two racks 9 to move in opposite directions, and when the rack 9 moves, it drives the first connecting frame 8 to move, and when the first connecting frame 8 moves, it drives the arc plate 10 to move, and at the same time, when the screw rod 5 rotates, it drives the moving block 11 to move, and when the moving block 11 moves, it drives the second connecting frame 12 to move, and when the second connecting frame 12 moves, it drives the fixed plate 13 to move, and then the moving rod 22 can be used, and when the moving rod 22 moves, the placement seat 7 is driven to move, and at the same time, the moving rod 22 can be limited by the set limit block 21.

[0024] Please refer to Figure 1 and Figure 4 The top of the base 1 is detachably connected to the connecting shaft 2, and a supporting block 3 is provided on the top of the connecting shaft 2. The internal rotation of one end of the supporting block 3 is connected to a measuring device 20. The top of the base 1 is located on one side of the connecting shaft 2 and is rotatably connected to a rotating shaft 14 that penetrates into the interior of the base 1. The bottom end of the rotating shaft 14 is fixedly connected to a second gear 15. The interior of the base 1 is rotatably connected to a third gear 16 that meshes with the second gear 15. The top of the third gear 16 is rotatably connected to a connecting rod 17. The interior of the base 1 is slidably connected to a fixed shaft 18. The bottom end of the fixed shaft 18 is rotatably connected to one end of the connecting rod 17, and the top of the fixed shaft 18 is fixedly connected to a fixed block 19.

[0025] In this embodiment: by rotating the rotating shaft 14, the rotating shaft 14 drives the second gear 15 to rotate when it rotates, and the second gear 15 drives the third gear 16 engaged with it to rotate when it rotates, and the third gear 16 drives the connecting rod 17 to move when it rotates, and the connecting rod 17 drives the fixed shaft 18 to move when it moves, and the fixed shaft 18 drives the fixed block 19 to move when it moves, so that the fixed block 19 is separated from the connecting shaft 2, and the disassembly of the device can be completed through simple operations.

[0026] Please refer to Figure 2 and Figure 4 The base 1 has a movable groove inside that cooperates with the movable block 11, the second connecting frame 12 is slidably connected to the base 1, the placement seat 7 has a matching groove inside that cooperates with the arc plate 10, the base 1 has a circular groove inside that cooperates with the connecting shaft 2, and the connecting shaft 2 has a fixed groove inside that cooperates with the fixed block 19.

[0027] In this embodiment: the movable groove is opened so that the movable block 11 can be moved inside the base 1, the matching groove is opened so that the arc plate 10 can be moved inside the placement seat 7, the circular groove is opened so that the connecting shaft 2 can be placed inside the base 1, and the fixed groove is opened so that the fixed block 19 can be moved to the inside of the connecting shaft 2.

[0028] The working principle of the utility model is: first, the brake disc blank is placed on the placement seat 7, and then the motor 4 is started, the motor 4 drives the screw rod 5 to rotate, and when the screw rod 5 rotates, it drives the first gear 6 to rotate, and when the first gear 6 rotates, it drives the two racks 9 to move in the opposite direction, and when the rack 9 moves, it drives the first connecting frame 8 to move, and when the first connecting frame 8 moves, it drives the arc plate 10 to move, and the brake disc blank is fixed in the horizontal direction. At the same time, when the screw rod 5 rotates, it drives the moving block 11 to move, and when the moving block 11 moves, it drives the second connecting frame 12 to move, and when the second connecting frame 12 moves, it drives the fixed plate 13 to move, and the brake disc blank is fixed in the vertical direction. Then, the moving rod 22 can be used, and when the moving rod 22 moves, it drives the placement seat 7 to move. At the same time The movable rod 22 can be limited by the set limit block 21, and the brake disc blank can be measured multiple times by changing the position of the placement seat 7. The brake disc blank can be fixed while using only one power source, which reduces the cost of use. When the device needs to be disassembled, the rotating shaft 14 can be rotated. When the rotating shaft 14 rotates, it drives the second gear 15 to rotate. When the second gear 15 rotates, it drives the third gear 16 engaged with it to rotate. When the third gear 16 rotates, it drives the connecting rod 17 to move. When the connecting rod 17 moves, it drives the fixed shaft 18 to move. When the fixed shaft 18 moves, it drives the fixed block 19 to move, so that the fixed block 19 is separated from the connecting shaft 2. The disassembly of the device can be completed through simple operation.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A brake disc blank hardness testing tool, comprising a base (1), characterized in that: One side of the top of the base (1) is slidably connected to a placement seat (7), a motor (4) is installed inside one side of the base (1), an output end of the motor (4) is fixedly connected to a screw rod (5) that penetrates into the placement seat (7), a top of the screw rod (5) is fixedly connected to a first gear (6), the interior of the placement seat (7) is slidably connected to a first connecting frame (8), one side of the first connecting frame (8) is fixedly connected to a rack (9) that meshes with the first gear (6), the top of the first connecting frame (8) is fixedly connected to an arc plate (10), the outer side of the screw rod (5) is rotatably connected to a moving block (11), one side of the moving block (11) is fixedly connected to a second connecting frame (12), the top of the second connecting frame (12) is fixedly connected to a fixed plate (13), one side of the bottom end of the placement seat (7) is rotatably connected to a moving rod (22), and the top of the base (1) is fixedly connected to a limit block (21) that cooperates with the moving rod (22) on one side of the placement seat (7).

2. A brake disc blank hardness testing tool according to claim 1, characterized in that: The top of the base (1) is detachably connected to a connecting shaft (2), a supporting block (3) is provided on the top of the connecting shaft (2), and a measuring device (20) is internally rotatably connected to one end of the supporting block (3). The top of the base (1) is located on one side of the connecting shaft (2) and is rotatably connected to a rotating shaft (14) that penetrates into the interior of the base (1). The bottom end of the rotating shaft (14) is fixedly connected to a second gear (15). The interior of the base (1) is rotatably connected to a third gear (16) that meshes with the second gear (15). The top of the third gear (16) is rotatably connected to a connecting rod (17). The interior of the base (1) is slidably connected to a fixed shaft (18), the bottom end of the fixed shaft (18) is rotatably connected to one end of the connecting rod (17), and the top end of the fixed shaft (18) is fixedly connected to a fixed block (19).

3. The brake disc blank hardness testing tool according to claim 1, characterized in that: A moving groove that matches the moving block (11) is provided inside the base (1).

4. The brake disc blank hardness testing tool according to claim 1, characterized in that: The second connecting frame (12) is slidably connected to the base (1).

5. The brake disc blank hardness testing tool according to claim 1, characterized in that: A matching groove matching the arc-shaped plate (10) is provided inside the placement seat (7).

6. The brake disc blank hardness testing tool according to claim 2, characterized in that: A circular groove matching the connecting shaft (2) is provided inside the base (1).

7. The brake disc blank hardness testing tool according to claim 2, characterized in that: A fixing groove that matches the fixing block (19) is provided inside the connecting shaft (2).

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