CN118641227A - A multi-condition brake disc wear test device - Google Patents

Abstract

The present invention discloses a multi-operating condition brake disc wear testing device, which relates to the technical field of brake disc testing; the multi-operating condition brake disc wear testing device comprises a base and a mounting disc, and a sample brake disc is mounted on the mounting disc by bolts; a driving shaft is rotatably arranged on the base, the driving shaft is fixedly connected to the mounting disc, and the driving shaft and the mounting disc are coaxial; a driving mechanism and a moving mechanism are arranged on the base, the output end of the driving mechanism is connected to the driving shaft, and the moving mechanism drives the moving seat to move horizontally; a moving seat and a guide cylinder are sleeved on the outer side of the driving shaft, and the guide cylinder is rotatably arranged on the moving seat; the present invention facilitates the detection of the surface wear condition of the sample brake disc, and at the same time improves the diversity of test scenarios.

Description

A multi-condition brake disc wear test device

Technical Field

The invention relates to the technical field of brake disc testing, and in particular to a multi-operating condition brake disc wear testing device.

Background Art

As a common means of transportation, electric tricycles play an important role in transportation and passenger transport. As one of the core components of the electric tricycle braking system, the performance of the brake disc is directly related to the braking effect and driving safety of the vehicle. Wear testing of the brake disc is an important part of ensuring the safety of electric tricycles. Existing testing devices usually fix the brake disc to the drive device. When the brake disc rubs against the brake pad, it is inconvenient to clamp and drive the brake disc to move and rotate, which makes it inconvenient to observe or detect the wear condition of the brake disc. In addition, the test scenarios provided by existing detection devices are relatively simple.

Summary of the invention

The purpose of the present invention is to provide a multi-condition brake disc wear testing device, which is convenient for detecting the surface wear condition of a sample brake disc and is convenient for providing different test scenarios.

In order to solve the above technical problems, the present invention provides the following technical solutions: a multi-working condition brake disc wear testing device, comprising a base and a mounting disc, a sample brake disc is mounted on the mounting disc by bolts; a driving shaft is rotatably arranged on the base, the driving shaft is fixedly connected to the mounting disc, and the driving shaft and the mounting disc are coaxial; a driving mechanism and a moving mechanism are arranged on the base, the output end of the driving mechanism is connected to the driving shaft, and the moving mechanism drives the moving seat to move horizontally; a moving seat and a guide cylinder are rotatably arranged on the outer sleeve of the driving shaft, and the guide cylinder is rotatably arranged on the moving seat; the spiral groove is arranged on the outer wall of the guide cylinder, a guide ball is matched in the spiral groove, and a support column is connected between the guide ball and the base; a mounting seat is arranged on the guide cylinder, and a brake pad clamping mechanism is arranged on the mounting seat; wherein, the axis of the guide cylinder deviates from the axis of the driving shaft.

Furthermore, the brake pad clamping mechanism includes a brake pad support seat, an adjustment assembly and a brake pad; the brake pad support seat is detachably arranged on the mounting seat, and the adjustment assembly is arranged on the mounting seat; there are two brake pads, the two brake pads are arranged correspondingly, and the two brake pads are respectively arranged on the brake pad support seat and the adjustment assembly; wherein, the adjustment assembly adjusts the distance between the two brake pads.

Furthermore, the brake pad clamping mechanism also includes a supporting gasket, a connecting screw and a nut; there is at least one supporting gasket, which is arranged between the brake pad support seat and the mounting seat; there are two connecting screws, which are fixedly arranged on the brake pad support seat, and both of the connecting screws penetrate the supporting gasket and the mounting seat; there are two nuts, which are respectively threadedly engaged on the outside of the two connecting screws.

Furthermore, the adjustment assembly includes a U-shaped seat, an adjusting screw, a brake pad fixing seat and a handwheel; the U-shaped seat is arranged on the mounting seat, and the adjusting screw is rotatably connected to the U-shaped seat; the brake pad fixing seat is movably arranged on the U-shaped seat, the brake pad fixing seat is threadedly connected to the adjusting screw, and one of the brake pads is fixed on the brake pad fixing seat; the handwheel is fixedly arranged at one end of the adjusting screw.

Furthermore, a linear guide rail is arranged in the U-shaped seat, a slider is matched on the linear guide rail, and the slider is fixedly connected to the brake pad fixing seat.

Furthermore, the moving mechanism includes a hydraulic cylinder, and there are two hydraulic cylinders. The two hydraulic cylinders are both installed on the base, and the output end of each hydraulic cylinder is connected to the moving seat.

Furthermore, two guide sleeves are embedded on the movable seat, each of the guide sleeves is respectively matched with a guide rod, and each of the guide rods is fixedly arranged on the base.

Furthermore, the driving mechanism adopts a driving motor, the driving motor is installed on the base, and the output end of the driving motor is connected to the driving shaft.

Compared with the prior art, the beneficial effects achieved by the present invention are as follows.

1. The present invention is provided with a moving mechanism and an adjusting component, so that the clamping force of two brake pads on the sample brake disc can be adjusted.

2. After the brake pads rub against the sample brake disc, the bolts between the sample brake disc and the mounting disc are removed, and the moving seat is driven to move by the moving mechanism, so that the sample brake disc can be moved and rotated, which is convenient for observing the surface wear condition of the sample brake disc.

3. The present invention is also provided with a support gasket to adjust the clamping position of the brake pad, thereby facilitating the provision of different test scenarios and improving the diversity of the test scenarios.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

FIG. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention.

FIG. 2 is a schematic diagram of the cooperation between the driving mechanism, the sample brake disc and the mounting disc in the first embodiment of the present invention.

FIG. 3 is a schematic diagram of the cooperation between the sample brake disc and the mounting disc according to the first embodiment of the present invention.

FIG4 is a schematic diagram of the positions of the guide cylinder, the movable seat, and the guide ball according to the first embodiment of the present invention.

FIG5 is a schematic cross-sectional view of a local structure of the first embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a brake pad clamping mechanism according to Embodiment 1 of the present invention.

FIG. 7 is a schematic diagram of the installation of the brake pad support seat according to the first embodiment of the present invention.

FIG8 is a schematic diagram of a state in which two brake pads clamp a sample brake disc in accordance with an embodiment of the present invention.

FIG. 9 is a schematic diagram of the cooperation between the guide sleeve and the guide rod according to the second embodiment of the present invention.

FIG. 10 is a schematic diagram of the overall structure of Embodiment 3 of the present invention.

FIG. 11 is a schematic diagram of the installation of the support gasket of the third embodiment of the present invention.

FIG. 12 is a schematic diagram of a state in which two brake pads clamp a sample brake disc in Embodiment 3 of the present invention.

Explanation of the accompanying drawings: 1. base; 2. driving mechanism; 21. driving motor; 3. driving shaft; 31. mounting plate; 4. moving seat; 41. guide sleeve; 42. guide rod; 5. guide cylinder; 51. spiral slide; 6. moving mechanism; 61. hydraulic cylinder; 7. mounting seat; 8. brake pad clamping mechanism; 81. brake pad support seat; 82. brake pad; 83. connecting screw; 831. nut; 84. adjusting assembly; 841. U-shaped seat; 842. adjusting screw; 843. brake pad fixing seat; 844. handwheel; 845. linear guide rail; 846. slider; 85. support gasket; 9. guide ball; 91. support column; 10. sample brake disc.

DETAILED DESCRIPTION

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 described embodiments 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 creative work are within the scope of protection of the present invention.

Embodiment 1

Please refer to Figures 1 to 3. The present invention provides a technical solution: a multi-operating condition brake disc wear test device, comprising a base 1, on which a drive shaft 3 is installed, and the drive shaft 3 is movably arranged on the base 1 through a bearing; a mounting plate 31 is fixedly arranged at one end of the drive shaft 3, and the other end of the drive shaft 3 is connected to a drive mechanism 2; the drive mechanism 2 adopts a drive motor 21, and the drive motor 21 is installed on the outer wall of the base 1, and the output end of the drive motor 21 penetrates the base 1 and is fixedly connected to the drive shaft 3; the mounting plate 31 is coaxial with the drive shaft 3, and a sample brake disc 10 is fixed on the mounting plate 31 by a plurality of bolts, and after the sample brake disc 10 is installed and fixed, the sample brake disc 10 is coaxial with the mounting plate 31; specifically, the sample brake disc 10 contacts the end surface of the mounting plate 31, and a plurality of bolts are respectively penetrated through the mounting holes on the sample brake disc 10, and the bolts are connected to the mounting plate 31 by threaded cooperation.

Please refer to Figures 1 to 5. The outer sleeve of the driving shaft 3 is provided with a moving seat 4 and a guide cylinder 5. The axis of the guide cylinder 5 is horizontally arranged, and the axis of the guide cylinder 5 deviates from the axis of the driving shaft 3, that is, the guide cylinder 5 is not coaxial with the driving shaft 3; the guide cylinder 5 is movably connected to the moving seat 4 through a bearing, specifically, the guide cylinder 5 is fixedly connected to the outer ring of the bearing, and the moving seat 4 is fixedly connected to the inner ring of the bearing; a spiral groove 51 is arranged on the outer wall of the guide cylinder 5, a guide ball 9 is matched inside the spiral groove 51, and a support column 91 is connected between the guide ball 9 and the base 1; a moving mechanism 6 is arranged on the base 1, the moving mechanism 6 is connected to the moving seat 4, and the moving seat 4 mechanism drives the moving seat 4 to move along the axis direction of the guide cylinder 5; that is, when the moving mechanism 6 drives the moving seat 4 to move along the axis direction of the guide cylinder 5, under the action of the bearing and the cooperation of the spiral groove 51 and the guide ball 9, the movement and rotation of the guide cylinder 5 are realized.

The moving mechanism 6 includes two horizontally arranged hydraulic cylinders 61, and the two hydraulic cylinders 61 are installed on the base 1; the two hydraulic cylinders 61 act synchronously, and the output ends of the two hydraulic cylinders 61 are fixedly connected to the moving seat 4, and the moving seat 4 is driven to move horizontally by the two hydraulic cylinders 61, that is, driven to move along the axial direction of the guide cylinder 5.

Please refer to Figures 1, 6 and 7. The brake pad clamping mechanism 8 includes a brake pad support seat 81 and an adjusting component 84, and the brake pad support seat 81 and the adjusting component 84 are both arranged on the mounting seat 7; a brake pad 82 is respectively installed on the brake pad support seat 81 and the adjusting component 84, and the two brake pads 82 are arranged in parallel and in corresponding positions; the brake pad support seat 81 is detachably arranged on the mounting seat 7, specifically, two connecting screws 83 are fixedly arranged on the brake pad support seat 81, and the two connecting screws 83 both penetrate the mounting seat 7, and the outer side of each connecting screw 83 is threadedly engaged with a nut 831, and one end of each nut 831 is tightly pressed against the outer wall of the mounting seat 7; that is, through the cooperation of the connecting screw 83 and the nut 831, the brake pad support seat 81 can be fixed on the mounting seat 7, and the brake pad support seat 81 can be disassembled at the same time.

The adjustment assembly 84 includes a U-shaped seat 841, which is fixedly arranged on the mounting seat 7; an adjusting screw 842 is movably arranged on the U-shaped seat 841, and both ends of the adjusting screw 842 are movably connected to the U-shaped seat 841 through bearings, and one end of the adjusting screw 842 penetrates the U-shaped seat 841 and is connected to a handwheel 844; a linear guide 845 is arranged in the U-shaped seat 841, and a slider 846 is matched on the linear guide 845, and a brake pad fixing seat 843 is arranged on the slider 846; at the same time, the adjusting screw 842 passes through the brake pad fixing seat 843, and the adjusting screw 842 is threadedly connected to the brake pad fixing seat 843, and the brake pad fixing seat 843 is also fixed. There is a brake pad 82, that is, two brake pads 82 are respectively fixed on the brake pad fixing seat 843 and the brake pad supporting seat 81; the adjustment component 84 is used to adjust the distance between the two brake pads 82, that is, by rotating the handwheel 844, the handwheel 844 drives the adjusting screw 842 to rotate, thereby driving the brake pad fixing seat 843 close to or away from the brake pad supporting seat 81, thereby adjusting the position of the brake pad 82 on the brake pad fixing seat 843, and the brake pad 82 on the brake pad fixing seat 843 can be pressed against one end surface of the sample brake disc 10, and by rotating the handwheel 844, the clamping force of the brake pad 82 on the brake pad fixing seat 843 on the sample brake disc 10 can also be adjusted.

Please refer to Figures 1 to 8. When the test is carried out, first, the sample brake disc 10 is fixed on the mounting disc 31 by a plurality of bolts; then, the piston rods of the two hydraulic cylinders 61 are synchronously extended to drive the moving seat 4 to move along the axial direction of the guide cylinder 5 (i.e., the horizontal direction), thereby driving the guide cylinder 5, the mounting seat 7, the brake pad support seat 81, and the brake pad 82 on the brake pad support seat 81 along the axial direction of the guide cylinder 5 until the brake pad 82 on the brake pad support seat 81 contacts the end face of the sample brake disc 10 close to the guide cylinder 5, and because the guide ball 9 cooperates with the spiral groove 51, the guide cylinder 5, the mounting seat 7, the brake pad support seat 81, and the brake pad 82 on the brake pad support seat 81 are The brake pad 82 also rotates during the movement, and the clamping force of the brake pad 82 on the brake pad support seat 81 on the sample brake disc 10 can be adjusted by controlling the extension length of the piston rod of the hydraulic cylinder 61; then, by rotating the hand wheel 844, the brake pad 82 on the brake pad fixing seat 843 is made to contact with the other end surface of the sample brake disc 10, and by rotating the hand wheel 844, the clamping force of the brake pad 82 on the brake pad fixing seat 843 on the sample brake disc 10 can also be adjusted; then, the driving motor 21 works and drives the driving shaft 3 to rotate, further drives the mounting plate 31 to rotate, thereby driving the sample brake disc 10 to rotate, and the friction between the brake pad 82 and the sample brake disc 10 can be achieved.

After the brake pads 82 and the sample brake disc 10 have rubbed against each other for a suitable time, the drive motor 21 stops working. After the sample brake disc 10 is stationary, all the bolts between the sample brake disc 10 and the mounting disc 31 are removed by using tools such as a screwdriver or an electric wrench. At this time, the piston rod of the control hydraulic cylinder 61 continues to extend. Since the two brake pads 82 clamp the sample brake disc 10, the sample brake disc 10 is separated from the mounting disc 31. Moreover, since the guide ball 9 cooperates with the spiral slide groove 51, the guide cylinder 5, the mounting seat 7 and the two brake pads 82 also rotate during the movement, that is, the sample brake disc 10 also rotates during the movement to separate from the mounting disc 31. Rotation makes it easy to observe the surface wear condition of the sample brake disc 10, and there is no need to use external tools to clamp the high-temperature sample brake disc 10; and during the rotation of the sample brake disc 10, it is also convenient for external detection mechanisms or tools to detect; finally, after the detection is completed and the surface temperature of the sample brake disc 10 drops, the hand wheel 844 is rotated to release the brake pad 82 on the brake pad fixing seat 843 to clamp the sample brake disc 10, and the sample brake disc 10 can be removed. After removing the sample brake disc 10, the piston rod of the hydraulic cylinder 61 contracts and resets, thereby driving the reset of the moving seat 4, the guide cylinder 5, the mounting seat 7, etc., to facilitate the next test.

Embodiment 2

Please refer to Figures 1 to 9. This embodiment is based on the first embodiment. Two guide sleeves 41 are provided on the moving seat 4. Each guide sleeve 41 passes through the moving seat 4 and is fixedly connected to the moving seat 4. A guide rod 42 is passed through the inside of each guide sleeve 41. The guide rod 42 is adapted to the guide sleeve 41, and one end of each guide rod 42 is fixedly provided on the base 1.

The guide rod 42 and the guide sleeve 41 are arranged horizontally, and the cooperation between the guide rod 42 and the guide sleeve 41 is used to improve the stability of the movement of the moving seat 4, thereby ensuring the stable movement of the guide cylinder 5, the mounting seat 7, etc.

Embodiment 3

Please refer to Figures 10-12. This embodiment is based on the first embodiment and further includes a support gasket 85. The support gasket 85 is used to be arranged between the brake pad support seat 81 and the mounting seat 7. The number of the support gasket 85 is at least one; as shown in Figure 10, two support gaskets 85 are arranged between the brake pad support seat 81 and the mounting seat 7; at the same time, the two connecting screws 83 penetrate the two support gaskets 85. Specifically, the support gasket 85 is provided with a through hole adapted to the connecting screw 83.

Please refer to Figures 1 to 12. Compared with the first embodiment, the present embodiment increases the distance between the brake pad support seat 81 and the guide cylinder 5 by providing two support washers 85. When the piston rod of the hydraulic cylinder 61 extends to drive the brake pad 82 on the brake pad support seat 81 to abut against the end face of the sample brake disc 10, the elongation of the piston rod of the hydraulic cylinder 61 is reduced. Since the axis of the guide cylinder 5 deviates from the axis of the drive shaft 3, the angle of the brake pad 82 and the position of the brake pad 82 abutting against the sample brake disc 10 are changed, thereby achieving a change in the clamping position of the brake pad 82. By changing the number of support washers 85, the clamping position of the brake pad 82 can be adjusted, thereby facilitating the provision of different test scenarios and enhancing the diversity of test scenarios.

To summarize, by driving the movable seat 4 to move through the hydraulic cylinder 61, the brake pad 82 on the brake pad support seat 81 is clamped on the sample brake disc 10. At the same time, after removing the bolts between the sample brake disc 10 and the mounting disc 31, and with the cooperation of the spiral groove 51 and the guide ball 9, the movement and rotation of the sample brake disc 10 are realized, thereby facilitating the observation of the surface wear condition of the sample brake disc 10. In addition, when a support gasket 85 is arranged between the brake pad support seat 81 and the mounting seat 7, the movable seat 4 is driven to move through the hydraulic cylinder 61, so that the clamping position of the brake pad 82 can be changed.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a multiplex condition brake disc wearing and tearing testing arrangement, includes base (1), its characterized in that still includes:

The mounting disc (31), the sample brake disc (10) is mounted on the mounting disc (31) through bolts;

The driving shaft (3) is rotatably arranged on the base (1), the driving shaft (3) is fixedly connected with the mounting disc (31), and the driving shaft (3) and the mounting disc (31) are coaxial;

The driving mechanism (2) is arranged on the base (1), and the output end of the driving mechanism (2) is connected with the driving shaft (3);

the movable seat (4) is sleeved outside the driving shaft (3);

The guide cylinder (5) is sleeved outside the driving shaft (3), and the guide cylinder (5) is rotatably arranged on the moving seat (4);

The outer wall of the guide cylinder (5) is provided with the spiral chute (51);

The guide ball (9), the guide ball (9) is matched in the spiral chute (51), and a support column (91) is connected between the guide ball (9) and the base (1);

the moving mechanism (6) is arranged on the base (1), and the moving mechanism (6) drives the moving seat (4) to horizontally move;

the mounting seat (7) is arranged on the guide cylinder (5);

The brake pad clamping mechanism (8), the brake pad clamping mechanism (8) is arranged on the mounting seat (7);

wherein the guide cylinder (5) axis is offset from the drive shaft (3) axis.

2. A multi-condition brake disc wear testing device according to claim 1, characterized in that the brake pad clamping mechanism (8) comprises:

The brake pad supporting seat (81), the brake pad supporting seat (81) is detachably arranged on the mounting seat (7);

An adjustment assembly (84), the adjustment assembly (84) being arranged on the mounting base (7);

The two brake pads (82) are arranged correspondingly, and the two brake pads (82) are respectively arranged on the brake pad supporting seat (81) and the adjusting component (84);

wherein the adjustment assembly (84) adjusts the spacing between the two brake pads (82).

3. A multi-condition brake disc wear testing device according to claim 2, wherein the brake pad clamping mechanism (8) further comprises:

A support pad (85), wherein the support pad (85) is provided with at least one, and the support pad (85) is arranged between a brake pad support seat (81) and the mounting seat (7);

The two connecting screws (83) are fixedly arranged on the brake pad supporting seat (81), and the two connecting screws (83) penetrate through the supporting gasket (85) and the mounting seat (7);

-nuts (831), said nuts (831) having two, two said nuts (831) being respectively screwed outside two said connecting screws (83).

4. The multiple condition brake disc wear testing device of claim 2, wherein the adjustment assembly (84) includes:

a U-shaped seat (841), wherein the U-shaped seat (841) is arranged on the mounting seat (7);

An adjusting screw (842), wherein the adjusting screw (842) is rotatably connected to the U-shaped seat (841);

The brake block fixing seat (843), the brake block fixing seat (843) is movably arranged on the U-shaped seat (841), the brake block fixing seat (843) is in threaded fit connection with the adjusting screw (842), and one brake block (82) is fixed on the brake block fixing seat (843);

And the hand wheel (844) is fixedly arranged at one end of the adjusting screw (842).

5. The multi-working-condition brake disc abrasion testing device according to claim 4, wherein a linear guide rail (845) is arranged in the U-shaped seat (841), a sliding block (846) is matched on the linear guide rail (845), and the sliding block (846) is fixedly connected with the brake pad fixing seat (843).

6. A multi-condition brake disc wear testing device according to claim 1, characterized in that the moving mechanism (6) comprises two hydraulic cylinders (61), two hydraulic cylinders (61) being mounted on the base (1), the output end of each hydraulic cylinder (61) being connected to the moving seat (4).

7. The multi-working-condition brake disc abrasion testing device according to claim 6, wherein two guide sliding sleeves (41) are embedded in the movable seat (4), a guide rod (42) is respectively matched in each guide sliding sleeve (41), and each guide rod (42) is fixedly arranged on the base (1).

8. The multi-working-condition brake disc abrasion testing device according to claim 1, wherein the driving mechanism (2) adopts a driving motor (21), the driving motor (21) is installed on the base (1), and an output end of the driving motor (21) is connected with the driving shaft (3).