On-line detection device and method for floating brake pad

Abstract

The present invention is an online detection device and method for a floating brake pad, comprising a floating brake pad steel back plate to be detected, and a plurality of go / no-go gauges for detecting the same, and also comprising a main shaft connected to a servo drive system, wherein a rotating bracket shaft is rotatably provided on the main shaft through a bearing, a rotating bracket is fixedly connected to the rotating bracket shaft, a go / no-go gauge is provided on the rotating bracket, a fixed bracket is provided at the bottom of the main shaft, the floating brake pad steel back plate is arranged on the fixed bracket, the go / no-go gauge is vertically slidably arranged on the rotating bracket through the go / no-go gauge optical axis, a go / no-go gauge driving cylinder is provided on the rotating bracket, and the cylinder rod end of the go / no-go gauge driving cylinder is connected and drives the go / no-go gauge to move vertically on the rotating bracket. The present invention can accurately detect the large arc height and curvature of the floating brake pad steel back plate, as well as the small arc height and curvature, and realize the demand for automated production of the floating brake pad steel back plate assembly line.

Description

Technical Field

[0001] The invention relates to the technical field of rail brake testing, and in particular to an online detection device and method for a floating brake pad. Background Art

[0002] At present, the size of the arc radius of the large arc and the small arc in the steel back plate of the floating brake pad is quickly detected to see if it is within the standard working tolerance range, or the size of the arc height of the large arc and the small arc in the steel back plate of the floating brake pad is quickly detected to see if it is within the standard working tolerance range, such as Figure 1 As shown, the detection methods are all manual detection, which cannot meet the needs of assembly line operation, the 1-minute cycle requirement of assembly line operation, and the automated production of floating brake pad steel back assembly line.

[0003] Based on the original measurement, the present invention proposes an online detection device and method for a floating brake pad to quickly detect whether the radius of the large arc and the inner small arc in the steel back plate of the floating brake pad are within the standard working tolerance range, and to quickly detect whether the arc height of the large arc and the inner small arc in the steel back plate of the floating brake pad are within the standard working tolerance range. Summary of the invention

[0004] The purpose of the present invention is to overcome the problems existing in the prior art and to provide an online detection device and method for a floating brake pad.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A floating brake pad online detection device comprises a floating brake pad steel back plate to be detected and a plurality of go / no-go gauges for detecting the same, and also comprises a main shaft connected to a servo drive system, a rotating bracket shaft is rotatably provided on the main shaft through a bearing, a rotating bracket is fixedly connected to the rotating bracket shaft, a go / no-go gauge is provided on the rotating bracket, a fixed bracket is provided at the bottom of the main shaft, the floating brake pad steel back plate is arranged on the fixed bracket, the go / no-go gauge includes at least the position of the floating brake pad steel back plate in the rotation stroke of the rotating bracket, the go / no-go gauge is vertically slidably arranged on the rotating bracket through the go / no-go gauge optical axis, a go / no-go gauge driving cylinder is provided on the rotating bracket, the cylinder rod end of the go / no-go gauge driving cylinder is connected to and drives the go / no-go gauge to move vertically on the rotating bracket, and the vertical movement stroke of the go / no-go gauge includes at least the position of the floating brake pad steel back plate.

[0007] A go / no-go gauge bottom plate is also provided at the upper end of the rotating bracket shaft, a first lifting optical axis is fixedly connected to the upper end of the go / no-go gauge bottom plate, a first top plate is slidably provided on the first lifting optical axis, a lifting cylinder is installed on the first top plate, and the cylinder rod end of the lifting cylinder is connected to and drives the main shaft to move vertically.

[0008] A bracket pressure plate is provided above the floating gate pad steel back plate, and a second lifting optical axis is fixedly connected to the upper end of the bracket pressure plate. A second top plate is slidably provided on the second lifting optical axis, and a lifting cylinder is also installed on the second top plate. The cylinder rod end of the lifting cylinder is connected to and drives the bracket pressure plate to move vertically, so as to press the floating gate pad steel back plate below.

[0009] A go / no-go gauge gear is provided at the lower end of the go / no-go gauge bottom plate, and the go / no-go gauge gear is meshed and transmitted with the rotating bracket shaft.

[0010] A first steel sleeve is provided between the optical axis of the go / no-go gauge and the rotating bracket to assist in sliding limiting, and a second steel sleeve is provided on the main axis between the rotating bracket and the fixed bracket to assist in maintaining shape and position.

[0011] An online detection method for a floating brake pad comprises the following steps:

[0012] Step 1) The second top plate is pressed down to fix the steel back plate of the floating brake pad to be tested;

[0013] Step 2) Select a go / no-go gauge for measuring the height of the large arc of the steel back plate of the floating brake pad to be tested;

[0014] Step 3) The servo drive system drives the spindle to rotate and measures the large arc height of the floating brake pad steel back plate through the go / no-go gauge selected in step 2);

[0015] Step 4) Determine whether the maximum height error of the large arc height of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0016] Step 5) Select a go / no-go gauge to measure the height of the small arc of the steel back plate of the floating brake pad to be tested;

[0017] Step 6) The servo drive system drives the spindle to rotate and measures the height of the small arc of the steel back plate of the floating brake pad through the go / no-go gauge selected in step 5);

[0018] Step 7) Determine whether the maximum height error of the small arc height of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0019] Step 8) Select a go / no-go gauge to measure the height of the large arc of the steel back plate of the floating brake pad to be tested;

[0020] Step 9) The servo drive system drives the spindle to rotate and measures the large arc height of the floating brake pad steel back plate through the go / no-go gauge selected in step 8);

[0021] Step 10) Determine whether the minimum height error of the large arc height of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0022] Step 11) Select a go / no-go gauge for measuring the height of the small arc of the steel back plate of the floating brake pad to be tested;

[0023] Step 12) the servo drive system drives the main shaft to rotate and measures the height of the small arc of the steel back plate of the floating brake pad through the go / no-go gauge selected in step 11);

[0024] Step 13) Determine whether the minimum height error of the small arc height of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0025] Step 14) Select a go / no-go gauge for measuring the large arc of the steel back plate of the floating brake pad to be tested;

[0026] Step 15) The servo drive system drives the main shaft to rotate and measures the large arc of the floating brake pad steel back plate through the go / no-go gauge selected in step 14);

[0027] Step 16) Determine whether the maximum arc error of the large arc of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0028] Step 17) Select a go / no-go gauge for measuring the small arc of the steel back plate of the floating brake pad to be tested;

[0029] Step 18) The servo drive system drives the main shaft to rotate and measures the small arc of the floating brake pad steel back plate through the go / no-go gauge selected in step 17);

[0030] Step 19) Determine whether the maximum arc error of the small arc of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0031] Step 20) Select a go / no-go gauge for measuring the large arc of the steel back plate of the floating brake pad to be tested;

[0032] Step 21) the servo drive system drives the main shaft to rotate and measures the large arc of the floating brake pad steel back plate through the go / no-go gauge selected in step 20);

[0033] Step 22) Determine whether the minimum arc error of the large arc of the steel back plate of the floating brake pad is normal through the torque of the servo drive system;

[0034] Step 23) Selecting a go / no-go gauge for measuring the small arc of the steel back plate of the floating brake pad to be tested;

[0035] Step 24) the servo drive system drives the main shaft to rotate and measures the small arc of the floating brake pad steel back plate through the go / no-go gauge selected in step 23);

[0036] Step 25) Determine whether the minimum arc error of the small arc of the floating brake pad steel back plate is normal through the torque of the servo drive system.

[0037] The beneficial effects of the present invention are:

[0038] The present invention can accurately detect the large arc height and radian, as well as the small arc height and radian of the floating brake pad steel back plate, realize the automated production of the floating brake pad steel back plate assembly line, and solve the demand for 1-minute beat of assembly line operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a floating brake pad steel back plate structure in this field;

[0040] Figure 2 A top view of the detection device of the present invention;

[0041] Figure 3 for Figure 2 AA section view in;

[0042] Figure 4 It is a front view of the detection device of the present invention;

[0043] Figure 5 is a side view of the detection device of the present invention;

[0044] Figure 6 A bottom view of the detection device of the present invention;

[0045] Figure 7 It is a stereoscopic diagram of the detection device of the present invention.

[0046] Explanation of the numbers in the figure: 1. floating gate steel back plate, 2. go / no-go gauge, 3. main shaft, 5. bearing, 6. rotating bracket shaft, 7. rotating bracket, 8. go / no-go gauge bottom plate, 9. first lifting optical axis, 10. first top plate, 11. fixed bracket, 12. bracket pressure plate, 13. outer circle of go / no-go gauge, 14. inner circle of go / no-go gauge, 15. first steel sleeve, 16. go / no-go gauge optical axis, 17. second lifting optical axis, 18. second steel sleeve, 19. second top plate, 20. go / no-go gauge gear, (21, 26), go / no-go gauge driving cylinder, 30. lifting cylinder. DETAILED DESCRIPTION

[0047] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0048] Reference Figures 2 to 7As shown, an online detection device for a floating brake pad comprises a floating brake pad steel back plate 1 to be detected, and a plurality of go / no-go gauges 2 for detecting the same, and also comprises a main shaft 3 connected to a servo drive system, a rotating bracket shaft 6 is rotatably provided on the main shaft 3 through a bearing 5, a rotating bracket 7 is fixedly connected to the rotating bracket shaft 6, a go / no-go gauge 2 is provided on the rotating bracket 7, a fixed bracket 11 is provided at the bottom of the main shaft 3, the floating brake pad steel back plate 1 is arranged on the fixed bracket 11, the go / no-go gauge 2 includes at least the position of the floating brake pad steel back plate 1 in the rotation stroke of the rotating bracket 7, the go / no-go gauge 2 is vertically slidably arranged on the rotating bracket 7 through the go / no-go gauge optical axis 16, a go / no-go gauge driving cylinder 21 is provided on the rotating bracket 7, the cylinder rod end of the go / no-go gauge driving cylinder 21 is connected to and drives the go / no-go gauge 2 to move vertically on the rotating bracket 7, and the vertical movement stroke of the go / no-go gauge 2 includes at least the position of the floating brake pad steel back plate 1.

[0049] A go / no-go gauge base plate 8 is also provided at the upper end of the rotating bracket shaft 6, and a first lifting optical axis 9 is fixedly connected to the upper end of the go / no-go gauge base plate 8. A first top plate 10 is slidably provided on the first lifting optical axis 9, and a lifting cylinder 30 is installed on the first top plate 10. The cylinder rod end of the lifting cylinder 30 is connected to and drives the main shaft 3 to move vertically.

[0050] A support plate 12 is provided above the floating gate pad steel back plate 1, and a second lifting optical axis 17 is fixedly connected to the upper end of the support plate 12. A second top plate 19 is slidably provided on the second lifting optical axis 17, and a lifting cylinder 30 is also installed on the second top plate 19. The cylinder rod end of the lifting cylinder 30 is connected to and drives the support plate 12 to move vertically, so as to press the floating gate pad steel back plate 1 below.

[0051] A go / no-go gauge gear 20 is disposed at the lower end of the go / no-go gauge base plate 8 , and the go / no-go gauge gear 20 is meshed and transmitted with the rotating bracket shaft 6 .

[0052] A first steel sleeve 15 is provided between the go / no-go gauge optical axis 16 and the rotating bracket 7 to assist in sliding limiting, and a second steel sleeve 18 is provided on the main shaft 3 between the rotating bracket 7 and the fixed bracket 11 to assist in maintaining shape and position.

[0053] In this embodiment, the servo drive system spindle 3 drives the go / no-go gauge 2 for detecting the radius of large and small arcs to move, and also drives the go / no-go gauge 2 for detecting the height of large and small arcs to move. The torque test of the servo drive system is passed or not, and the go / no-go gauge drives the cylinders 21 and 26 to move up and down, driving the go / no-go gauge 2 to move up and down, thereby determining the order of measurement selection.

[0054] An online detection method for a floating brake pad comprises the following steps:

[0055] Step 1) The second top plate 19 is pressed down to fix the floating brake pad steel back plate 1 to be tested;

[0056] Step 2) Selecting a go / no-go gauge 2 for measuring the height of the large arc of the steel back plate 1 of the floating gate piece to be tested;

[0057] Step 3) the servo drive system drives the main shaft 3 to rotate and measures the large arc height of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 2);

[0058] Step 4) Determine whether the maximum height error of the large arc height of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0059] Step 5) Selecting a go / no-go gauge 2 for measuring the height of the small arc of the steel back plate 1 of the floating gate piece to be tested;

[0060] Step 6) the servo drive system drives the main shaft 3 to rotate and measures the small arc height of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 5);

[0061] Step 7) Determine whether the maximum height error of the small arc height of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0062] Step 8) Selecting a go / no-go gauge 2 for measuring the height of the large arc of the steel back plate 1 of the floating gate piece to be tested;

[0063] Step 9) the servo drive system drives the main shaft 3 to rotate and measures the large arc height of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 8);

[0064] Step 10) Determine whether the minimum height error of the large arc height of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0065] Step 11) Selecting a go / no-go gauge 2 for measuring the height of the small arc of the steel back plate 1 of the floating brake pad to be tested;

[0066] Step 12) the servo drive system drives the main shaft 3 to rotate and measures the small arc height of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 11);

[0067] Step 13) Determine whether the minimum height error of the small arc height of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0068] Step 14) Selecting a go / no-go gauge 2 for measuring the large arc of the floating brake pad steel back plate 1 to be tested;

[0069] Step 15) the servo drive system drives the main shaft 3 to rotate and measures the large arc of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 14);

[0070] Step 16) Determine whether the maximum arc error of the large arc of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0071] Step 17) Selecting a go / no-go gauge 2 for measuring the small arc of the floating brake pad steel back plate 1 to be tested;

[0072] Step 18) the servo drive system drives the main shaft 3 to rotate and measures the small arc of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 17);

[0073] Step 19) Determine whether the maximum arc error of the small arc of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0074] Step 20) Selecting a go / no-go gauge 2 for measuring the large arc of the floating brake pad steel back plate 1 to be tested;

[0075] Step 21) the servo drive system drives the main shaft 3 to rotate and measures the large arc of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 20);

[0076] Step 22) Determine whether the minimum arc error of the large arc of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system;

[0077] Step 23) Selecting a go / no-go gauge 2 for measuring the small arc of the floating brake pad steel back plate 1 to be tested;

[0078] Step 24) the servo drive system drives the main shaft 3 to rotate and measures the small arc of the floating brake pad steel back plate 1 through the go / no-go gauge 2 selected in step 23);

[0079] Step 25) Determine whether the minimum arc error of the small arc of the floating brake pad steel back plate 1 is normal through the torque of the servo drive system.

[0080] After the final measurement is completed, the floating brake pad steel back plate 1 can be accurately and comprehensively tested.

[0081] In addition, it should be noted that, unless otherwise specified or indicated, the terms "first", "second", "third", etc. in the specification are only used to distinguish the various components, elements, steps, etc. in the specification, and are not used to indicate the logical relationship or sequential relationship between the various components, elements, steps, etc.

[0082] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. 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

1. An online detection device for a floating brake pad, comprising a floating brake pad steel back plate (1) to be detected, and a plurality of go / no-go gauges (2) for detecting the floating brake pad, characterized in that: It also comprises a main shaft (3) connected to a servo drive system, a rotating support shaft (6) being rotatably provided on the main shaft (3) via a bearing (5), a rotating support shaft (7) being fixedly connected to the rotating support shaft (6), a go / no-go gauge (2) being provided on the rotating support (7), a fixed support (11) being provided at the bottom of the main shaft (3), the floating brake pad steel back plate (1) being provided on the fixed support (11), the go / no-go gauge (2) including at least the position of the floating brake pad steel back plate (1) in the rotation stroke of the rotating support (7), the go / no-go gauge (2) being vertically slidably provided on the rotating support (7) via a go / no-go gauge optical axis (16), a go / no-go gauge driving cylinder (21) being provided on the rotating support (7), the cylinder rod end of the go / no-go gauge driving cylinder (21) being connected to and driving the go / no-go gauge (2) to move vertically on the rotating support (7), the vertical movement stroke of the go / no-go gauge (2) including at least the position of the floating brake pad steel back plate (1); A go / no-go gauge bottom plate (8) is also provided at the upper end of the rotating bracket shaft (6); a first lifting optical axis (9) is fixedly connected to the upper end of the go / no-go gauge bottom plate (8); a first top plate (10) is slidably provided on the first lifting optical axis (9); a lifting cylinder (30) is installed on the first top plate (10); a cylinder rod end of the lifting cylinder (30) is connected to and drives the main shaft (3) to move vertically; A support pressing plate (12) is provided above the floating brake pad steel back plate (1), a second lifting optical axis (17) is fixedly connected to the upper end of the support pressing plate (12), a second top plate (19) is slidably provided on the second lifting optical axis (17), a lifting cylinder (30) is also installed on the second top plate (19), a cylinder rod end of the lifting cylinder (30) is connected to and drives the support pressing plate (12) to move vertically, so as to press the floating brake pad steel back plate (1) below; A go / no-go gauge gear (20) is provided at the lower end of the go / no-go gauge base plate (8), and the go / no-go gauge gear (20) is meshed with the rotating bracket shaft (6) for transmission.

2. The online detection device for floating brake pads according to claim 1, characterized in that: A first steel sleeve (15) is provided between the go / no-go gauge optical axis (16) and the rotating bracket (7) for assisting in sliding position limiting, and a second steel sleeve (18) is provided on the main shaft (3) between the rotating bracket (7) and the fixed bracket (11) for assisting in maintaining position.

3. An online detection method for an online detection device of a floating brake pad according to any one of claims 1 to 2, characterized in that: The method comprises the following steps: Step 1) The second top plate (19) is pressed down to fix the floating brake pad steel back plate (1) to be tested; Step 2) selecting a go / no-go gauge (2) for measuring the height of the large arc of the steel back plate (1) of the floating brake pad to be tested; Step 3) the servo drive system drives the main shaft (3) to rotate and measures the large arc height of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 2); Step 4) Determine whether the maximum height error of the large arc height of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 5) selecting a go / no-go gauge (2) for measuring the height of the small arc of the steel back plate (1) of the floating brake pad to be tested; Step 6) the servo drive system drives the main shaft (3) to rotate and measures the height of the small arc of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 5); Step 7) Determine whether the maximum height error of the small arc height of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 8) Selecting a go / no-go gauge (2) for measuring the height of the large arc of the steel back plate (1) of the floating brake pad to be tested; Step 9) the servo drive system drives the main shaft (3) to rotate and measures the large arc height of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 8); Step 10) Determine whether the minimum height error of the large arc height of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 11) selecting a go / no-go gauge (2) for measuring the height of the small arc of the steel back plate (1) of the floating brake pad to be tested; Step 12) the servo drive system drives the main shaft (3) to rotate and measures the height of the small arc of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 11); Step 13) Determine whether the minimum height error of the small arc height of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 14) selecting a go / no-go gauge (2) for measuring the large arc of the floating brake pad steel back plate (1) to be tested; Step 15) the servo drive system drives the main shaft (3) to rotate and measures the large arc of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 14); Step 16) Determine whether the maximum arc error of the large arc of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 17) selecting a go / no-go gauge (2) for measuring the small arc of the floating brake pad steel back plate (1) to be tested; Step 18) the servo drive system drives the main shaft (3) to rotate and measures the small arc of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 17); Step 19) Determine whether the maximum arc error of the small arc of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 20) selecting a go / no-go gauge (2) for measuring the large arc of the floating brake pad steel back plate (1) to be tested; Step 21) the servo drive system drives the main shaft (3) to rotate and measures the large arc of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 20); Step 22) Determine whether the minimum arc error of the large arc of the floating brake pad steel back plate (1) is normal through the torque of the servo drive system; Step 23) selecting a go / no-go gauge (2) for measuring the small arc of the floating brake pad steel back plate (1) to be tested; Step 24) the servo drive system drives the main shaft (3) to rotate and measures the small arc of the floating brake pad steel back plate (1) through the go / no-go gauge (2) selected in step 23); Step 25) The servo drive system torque is used to determine whether the minimum arc error of the small arc of the floating brake pad steel back plate (1) is normal.

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