CN108896300B - Online test device for disc brake - Google Patents
Online test device for disc brake Download PDFInfo
- Publication number
- CN108896300B CN108896300B CN201810556207.5A CN201810556207A CN108896300B CN 108896300 B CN108896300 B CN 108896300B CN 201810556207 A CN201810556207 A CN 201810556207A CN 108896300 B CN108896300 B CN 108896300B
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- force measuring
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- 238000012360 testing method Methods 0.000 title claims abstract description 145
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
Abstract
The invention relates to an online test device for a disc brake, which comprises a pair of test station force measuring plates with variable intervals, wherein the test station force measuring plates are slidably arranged on a guide shaft, the inner sides of the test station force measuring plates are fixedly connected with force measuring plate mounting plates, the surfaces of the force measuring plate mounting plates are inclined planes, conical sliding blocks which are slidably matched with the force measuring plate mounting plates are arranged on the surfaces of the force measuring plate mounting plates, the conical sliding blocks are arranged on a screw rod, one end of the screw rod is connected with a rotating shaft of a motor through a speed reducer, and the test station force measuring plates are provided with pressure sensors and displacement sensors which are respectively used for measuring the changes of braking force and interval between the test station force measuring plates. The device can automatically adjust the distance between the measuring plates of the test station, achieves the effect of simulating the increase or decrease of the distance between the braking planes, can measure the braking force between the braking planes and the distance between the braking planes, meets the requirement of on-line rapid inspection of the mounted result of the disc brake, and also meets the requirement of the mounting production of the disc brake.
Description
Technical Field
The invention relates to the technical field of rail brake testing, in particular to an online test device for a disc brake.
Background
A disc brake is a braking device that replaces the tread brake. On the axle or on both sides of the wheel, special brake discs and clamps are mounted. During braking, a brake cylinder piston (hook shell) drives a clamp (provided with brake pads made of synthetic materials) to clamp the disc so as to generate a braking effect.
However, the detection of disc brakes currently has the following problems:
1) Disc brake proof mass has been manually recorded, scanned and archived. The detection efficiency is low, and the data cannot be directly used;
2) In the checking process of the disc brake, the disc brake is always measured qualitatively by a feeler gauge manually, the disc brake is not quantitative, the measuring error is large, the artificial error is easy to occur, and the accuracy of the measurement cannot be ensured;
3) The conventional detection of the disc brake cannot inhibit the circulation of the product when the automatic detection result does not meet the requirement, so that the production process of the product does not produce, does not transfer and does not accept unqualified products, and the qualified products are ensured to flow into the next working procedure;
4) Traditional detection cannot meet the requirement of high-strength and quick-joint beat pipeline detection;
5) The traditional detection cannot detect the data process in real time, cannot track in the detection process, and realizes the whole process judgment and tracking;
6) The traditional detection can not realize informatization of the product file, and can not realize recording the product or the processing process with quality problems in the product file at the same time, so that a account is formed, which is beneficial to later product management and tracing.
Because the disc brake test is a station on a production line, the measuring device is required to realize detection intellectualization, product detection informatization, real-time detection data standardization, detection process standardization and automatic product circulation; thus conventional offline measurements cannot achieve the above objective. The invention provides an on-line test device for a disc brake, which changes the manual operation of the test device for the disc brake into automatic measurement and changes the structure and the process of the measurement device.
Disclosure of Invention
The invention aims to overcome the problems existing in the prior art and provides an online test device for a disc brake.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the utility model provides a disk brake on-line test device, includes a pair of test station dynamometer board that has variable interval, test station dynamometer board slidingly sets up on the guiding axle, the inboard rigid coupling of test station dynamometer board has the dynamometer board mounting panel, the surface of dynamometer board mounting panel is the inclined plane, be equipped with on the surface rather than sliding fit's toper slider of dynamometer board mounting panel, the toper slider sets up on the lead screw, a motor's pivot is connected through the reduction gear to lead screw one end, motor passes through the vertical displacement of lead screw drive toper slider, and the vertical displacement of toper slider drives dynamometer board mounting panel and test station dynamometer board lateral displacement for change the interval between the test station dynamometer board, be equipped with pressure sensor and displacement sensor on the test station dynamometer board, be used for measuring the change of braking force and interval between the test station dynamometer board respectively.
Further, the guide shaft is arranged on a test station switching bottom plate through the guide shaft support, and is provided with a spring, and the spring is positioned between the guide shaft support and the outer side surface of the test station force measuring plate and used for pushing the test station force measuring plate to reset.
Further, a test station guide rail arranged along the sliding direction of the test station force measuring plate is arranged on the test station switching bottom plate, a test station sliding block is slidingly matched on the test station guide rail, and the test station sliding block is fixedly connected with the test station force measuring plate through the test station sliding block switching plate.
Further, the displacement sensor is arranged on a displacement sensor bracket through a displacement sensor clamp, and the displacement sensor bracket is arranged on a test station switching bottom plate at the outer side end of the test station force measuring plate.
Further, a test fixture slider bottom plate is connected through the test station connecting plate to the test station switching bottom plate, the test fixture slider bottom plate passes through test fixture slider welt rigid coupling on a test fixture slider, the test fixture slider slidingly sets up on a test fixture guide rail, still be connected with the cylinder support on the test fixture slider welt, be equipped with the rodless cylinder on the cylinder support for drive test fixture slider slides along the test fixture guide rail.
Further, the surface of the force measuring plate mounting plate is a convex triangular inclined surface, the conical sliding block is composed of two conical blocks with opposite narrow ends, and the concave triangular inclined surface formed by the conical blocks with opposite narrow ends is in sliding connection fit with the convex triangular inclined surface of the force measuring plate mounting plate, so that the forward rotation and the reverse rotation of the screw rod can both push the test station force measuring plate to transversely displace.
The beneficial effects of the invention are as follows:
the test device can automatically adjust the distance between the test station force measuring plates, achieves the effect of simulating the increase or decrease of the distance between the braking planes, can measure the braking force between the braking planes and the distance between the braking planes, changes the manual test mode in the past, can realize detection intellectualization, product detection informatization, real-time detection data standardization, automatic flow of detection products, can meet the requirement of on-line rapid test of the mounted result of the disc brake, and also meets the beat requirement of the mounting production of the disc brake.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a perspective view of the present invention.
The reference numerals in the figures illustrate: 1. the test fixture comprises a test fixture guide rail, 2, a test fixture slide block, 3, a test fixture slide block bottom plate, 4, a test fixture slide block lining plate, 5, a test fixture reinforcing plate, 6, a cylinder bracket, 7, a rodless cylinder, 13, a test station connecting plate, 14, a conical slide block, 15, a pressure sensor, 16, a test station slide block, 17, a test station guide rail, 18, a test station slide block adapter plate, 19, a test station adapter plate, 20, a screw rear bracket, 21, a screw front bracket, 22, a motor, 23, a coupler, 25, a guide shaft, 26, a guide shaft support, 27, a spring, 28, a test station force plate, 31, a force plate mounting plate, 32, a displacement sensor sensing piece, 33, a motor bracket reinforcing rib, 34, a screw, 36, a screw front support, 37, a screw rear support, 38, a support block, 39, a displacement sensor, 40, a displacement sensor clamp, 41, a displacement sensor bracket, 42, a speed reducer, 43 and a motor bracket.
Detailed Description
The invention will be described in detail below with reference to the drawings in combination with embodiments.
Referring to fig. 1 to 4, an online test device for disc brake comprises a pair of test station force measuring plates 28 with variable spacing, the test station force measuring plates 28 are slidably arranged on a guide shaft 25, a force measuring plate mounting plate 31 is fixedly connected to the inner side of each test station force measuring plate 28, the surface of each force measuring plate mounting plate 31 is an inclined surface, a conical slide block 14 in sliding connection with each force measuring plate mounting plate 31 is arranged on the surface of each force measuring plate mounting plate 31, the conical slide blocks 14 are arranged on a screw rod 34, one end of the screw rod 34 is connected with a rotating shaft of a motor 22 through a speed reducer 42, the motor 22 drives the conical slide blocks 14 to vertically displace through the screw rod 34, the vertical displacement of the conical slide blocks 14 drives the force measuring plate mounting plates 31 and the test station force measuring plates 28 to transversely displace so as to change the spacing between the test station force measuring plates 28, and a pressure sensor 15 and a displacement sensor 39 are arranged on each test station force measuring plate 28 and are respectively used for measuring the change of braking force and spacing between the test station force measuring plates 28.
The guide shaft 25 is arranged on a test station switching bottom plate 19 through a guide shaft support 26, the guide shaft 25 is provided with a spring 27, and the spring 27 is positioned between the guide shaft support 26 and the outer side surface of the test station force measuring plate 28 and used for pushing the test station force measuring plate 28 to reset.
The test station transfer bottom plate 19 is provided with a test station guide rail 17 arranged along the sliding direction of the test station force measuring plate 28, the test station guide rail 17 is slidably matched with a test station slide block 16, and the test station slide block 16 is fixedly connected with the test station force measuring plate 28 through the test station slide block transfer plate 18.
The displacement sensor 39 is arranged on a displacement sensor bracket 41 through a displacement sensor clamp 40, and the displacement sensor bracket 41 is arranged on the test station switching bottom plate 19 at the outer side end of the test station force measuring plate 28.
In this embodiment, the screw 34 is fixed to the test station adapting base plate 19 by the corresponding screw rear bracket 20 and screw front bracket 21, and the motor 22 is also fixed to the test station adapting base plate 19 by the motor bracket 43, so that the test station force measuring plate 28 and the corresponding driving mechanism are integrally fixed to a platform (i.e., the test station adapting base plate 19).
The test station switching bottom plate 19 is connected with a test tool slide block bottom plate 3 through a test station connecting plate 13, the test tool slide block bottom plate 3 is fixedly connected on a test tool slide block 2 through a test tool slide block lining plate 4, the test tool slide block 2 is slidingly arranged on a test tool guide rail 1, the test tool slide block lining plate 4 is also connected with a cylinder bracket 6, and a rodless cylinder 7 is arranged on the cylinder bracket 6 and used for driving the test tool slide block 2 to slide along the test tool guide rail 1.
The surface of the force-measuring plate mounting plate 31 is a convex triangular inclined surface, the conical sliding block 14 is composed of two conical blocks with opposite narrow ends, and the concave triangular inclined surface formed by the conical blocks with opposite narrow ends is in sliding connection with the convex triangular inclined surface of the force-measuring plate mounting plate 31, so that the forward rotation and the reverse rotation of the screw rod 34 can both push the test station force-measuring plate 28 to laterally displace.
Principles of the invention
In the invention, the motor 22 controls the screw rod 34 to move up and down to drive the two conical blocks in the conical sliding block 14 to move relatively or oppositely to push the distance between the test station force measuring plates 28 to increase, and in the contraction stroke of the conical blocks, the reset thrust of the spring 27 enables the distance between the test station force measuring plates 28 to decrease, so that the increase or decrease of the distance of a simulated braking plane is achieved.
The test device can be used for a conventional wheel disc brake clamp production line in the field, consists of a main gas circuit, a control gas circuit, an electric cabinet, an industrial computer and a test fixture, is used for the air tightness and function test of a two-position three-way/two-position two-way piston valve, and is mainly used for the sensitivity test, the clearance relief test and the manual parking cylinder relief test after the disc brake device is assembled.
The gas circuit of the test device is composed of a filtering pressure-reducing valve, an electric control proportional valve, a ventilation control valve, a pneumatic pressure sensor and a pipeline which are conventional in the art, and the connection mode adopts a quick-plug connection mode.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The disc brake online test device is characterized by comprising a pair of test station force measuring plates (28) with variable intervals, wherein the test station force measuring plates (28) are slidably arranged on guide shafts (25), force measuring plate mounting plates (31) are fixedly connected to the inner sides of the test station force measuring plates (28), the surfaces of the force measuring plate mounting plates (31) are inclined surfaces, conical sliding blocks (14) which are slidably matched with the force measuring plate mounting plates (31) are arranged on the surfaces of the force measuring plate mounting plates, the conical sliding blocks (14) are arranged on screw rods (34), one ends of the screw rods (34) are connected with a rotating shaft of a motor (22) through speed reducers (42), the motor (22) drives the conical sliding blocks (14) to vertically displace through the screw rods (34), the conical sliding blocks (14) drive the force measuring plate mounting plates (31) and the test station force measuring plates (28) to transversely displace so as to change the intervals between the test station force measuring plates (28), and the test station force measuring plates (28) are provided with pressure sensors (15) and displacement sensors (39) respectively used for measuring the changes between the test station force measuring plates (28); the guide shaft (25) is arranged on a test station switching base plate (19) through a guide shaft support (26), the guide shaft (25) is provided with a spring (27), and the spring (27) is positioned between the guide shaft support (26) and the outer side surface of the test station force measuring plate (28) and is used for pushing the test station force measuring plate (28) to reset; the test station transfer base plate (19) is provided with a test station guide rail (17) arranged along the sliding direction of the test station force measuring plate (28), the test station guide rail (17) is slidably matched with a test station slide block (16), and the test station slide block (16) is fixedly connected with the test station force measuring plate (28) through the test station slide block transfer plate (18); the displacement sensor (39) is arranged on a displacement sensor bracket (41) through a displacement sensor clamp (40), and the displacement sensor bracket (41) is arranged on a test station switching base plate (19) at the outer side end of the test station force measuring plate (28).
2. The disc brake online test device according to claim 1, wherein the test station switching base plate (19) is connected with a test tool slide base plate (3) through a test station connecting plate (13), the test tool slide base plate (3) is fixedly connected on a test tool slide (2) through a test tool slide lining plate (4), the test tool slide (2) is slidingly arranged on a test tool guide rail (1), the test tool slide lining plate (4) is also connected with a cylinder bracket (6), and a rodless cylinder (7) is arranged on the cylinder bracket (6) and used for driving the test tool slide (2) to slide along the test tool guide rail (1).
3. The disc brake on-line test device according to claim 1, wherein the surface of the force-measuring plate mounting plate (31) is a convex triangular inclined surface, the conical sliding block (14) is composed of two conical blocks with opposite narrow ends, and the concave triangular inclined surface formed by the conical blocks with opposite narrow ends is in sliding connection with the convex triangular inclined surface of the force-measuring plate mounting plate (31), so that the forward rotation and the reverse rotation of the screw rod (34) can both push the test station force-measuring plate (28) to transversely displace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556207.5A CN108896300B (en) | 2018-06-01 | 2018-06-01 | Online test device for disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556207.5A CN108896300B (en) | 2018-06-01 | 2018-06-01 | Online test device for disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108896300A CN108896300A (en) | 2018-11-27 |
| CN108896300B true CN108896300B (en) | 2023-11-21 |
Family
ID=64343865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556207.5A Active CN108896300B (en) | 2018-06-01 | 2018-06-01 | Online test device for disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896300B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013092425A (en) * | 2011-10-25 | 2013-05-16 | East Japan Railway Co | Brake testing device |
| CN104089783A (en) * | 2014-06-27 | 2014-10-08 | 杭州沃镭科技有限公司 | Device for testing wedge-shaped braking expander assembly |
| CN204064624U (en) * | 2014-07-09 | 2014-12-31 | 杭州沃镭科技有限公司 | A kind of elevator brake device for detecting performance |
| CN104406731A (en) * | 2014-12-13 | 2015-03-11 | 芜湖哈特机器人产业技术研究院有限公司 | Clamping force detecting tooling for brake caliper |
| CN104493783A (en) * | 2015-01-23 | 2015-04-08 | 芜湖哈特机器人产业技术研究院有限公司 | Piston assembling fixture for braking calipers |
| CN204346395U (en) * | 2014-12-29 | 2015-05-20 | 沈阳新松机器人自动化股份有限公司 | A kind of automobile brake disc face runout test macro |
| CN106840632A (en) * | 2017-02-15 | 2017-06-13 | 常州中车铁马科技实业有限公司 | A kind of detection means and detection method of high-speed train braking nipper units |
| CN107462360A (en) * | 2017-08-21 | 2017-12-12 | 迅达（许昌）驱动技术有限公司 | A kind of brake electromagnetism force test device of elevator driving |
| CN207019919U (en) * | 2017-07-04 | 2018-02-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of brake disc panel surface change in displacement test fixture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990713B (en) * | 2015-07-28 | 2017-05-17 | 江苏科技大学 | Automobile brake assembly fatigue test stand |
-
2018
- 2018-06-01 CN CN201810556207.5A patent/CN108896300B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013092425A (en) * | 2011-10-25 | 2013-05-16 | East Japan Railway Co | Brake testing device |
| CN104089783A (en) * | 2014-06-27 | 2014-10-08 | 杭州沃镭科技有限公司 | Device for testing wedge-shaped braking expander assembly |
| CN204064624U (en) * | 2014-07-09 | 2014-12-31 | 杭州沃镭科技有限公司 | A kind of elevator brake device for detecting performance |
| CN104406731A (en) * | 2014-12-13 | 2015-03-11 | 芜湖哈特机器人产业技术研究院有限公司 | Clamping force detecting tooling for brake caliper |
| CN204346395U (en) * | 2014-12-29 | 2015-05-20 | 沈阳新松机器人自动化股份有限公司 | A kind of automobile brake disc face runout test macro |
| CN104493783A (en) * | 2015-01-23 | 2015-04-08 | 芜湖哈特机器人产业技术研究院有限公司 | Piston assembling fixture for braking calipers |
| CN106840632A (en) * | 2017-02-15 | 2017-06-13 | 常州中车铁马科技实业有限公司 | A kind of detection means and detection method of high-speed train braking nipper units |
| CN207019919U (en) * | 2017-07-04 | 2018-02-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of brake disc panel surface change in displacement test fixture |
| CN107462360A (en) * | 2017-08-21 | 2017-12-12 | 迅达（许昌）驱动技术有限公司 | A kind of brake electromagnetism force test device of elevator driving |
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| CN108896300A (en) | 2018-11-27 |
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