CN109540449B - Disc brake piece drop test device - Google Patents
Disc brake piece drop test device Download PDFInfo
- Publication number
- CN109540449B CN109540449B CN201910019298.3A CN201910019298A CN109540449B CN 109540449 B CN109540449 B CN 109540449B CN 201910019298 A CN201910019298 A CN 201910019298A CN 109540449 B CN109540449 B CN 109540449B
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- disc brake
- clamping arm
- test device
- drop test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of motor vehicle part processing and detection, in particular to a drop test device for a disc brake disc. Through set up fixed arm lock and activity centre gripping subassembly on the fixing base, activity centre gripping subassembly includes spacing post, spring and activity arm lock, the L shape is designed into to the activity arm lock, articulate its hypomere in the fixing base, the upper segment cup joints in spacing post through the through-hole, and make under the free state through the spring-supported, the through-hole is located spacing post upper portion, make the horizontal centre gripping disc brake piece that awaits measuring of activity arm lock lower extreme cooperation fixed arm lock, through pressing down movable arm lock upper segment rapidly, make the activity arm lock outwards open rapidly, keep the horizontality when guaranteeing that the dish brake piece that awaits measuring falls, compare the mode that falls through artifical handheld disc brake piece among the traditional art, avoid the edge of the dish brake piece that awaits measuring to land at first and influence the.
Description
Technical Field
The invention relates to the technical field of motor vehicle part processing and detection, in particular to a drop test device for a disc brake disc.
Background
The disc brake sheet is a key part of a motor vehicle, is an important guarantee for safe operation of the vehicle, and has the strength and the bonding performance between friction materials which can meet the standard requirements or not, thereby being related to the running safety of the vehicle. Because the disc brake piece generally needs to be subjected to drop test, the traditional test mode is that the disc brake piece is released at the height of 1.5m by manually holding the disc brake piece, so that the disc brake piece freely falls down and falls on the cement ground, and whether the friction material of the disc brake piece falls off or not is tested for specified times; because the dish piece of stopping belongs to the slice part, releases through the handheld dish piece of stopping of manual work, and the mode that drops is difficult to guarantee the level and falls, consequently is difficult to guarantee the accuracy of drop test result.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a dish piece drop test device of stopping solves traditional dish and stops the problem that the piece level whereabouts of stopping is difficult to guarantee to the dish of piece drop test mode.
In order to solve the technical problems, the invention adopts the technical scheme that: a disc brake piece drop test device comprises a bracket and a clamp connected to the top end of the bracket;
the clamp comprises a fixed seat, a fixed clamping arm and a movable clamping assembly, the movable clamping assembly comprises a limiting column, a spring and a movable clamping arm, the limiting column is fixedly connected to the upper portion of the fixed seat, the spring is sleeved on the limiting column, the movable clamping arm is L-shaped, a through hole is formed in the vertical direction of the upper section of the movable clamping arm, the limiting column penetrates through the through hole, and the spring abuts against the outer edge of the lower portion of the through hole; the lower section of the movable clamping arm is hinged to the fixed seat, so that the movable clamping arm can swing in a vertical plane;
the fixed clamping arm is connected to the lower part of the fixed seat, and the disc brake sheet is horizontally clamped by the lower ends of the fixed clamping arm and the movable clamping arm.
The invention has the beneficial effects that: according to the structure of the drop test device for the disc brake sheet, the fixed clamping arm and the movable clamping assembly are arranged on the fixed seat, the movable clamping assembly comprises the limiting column, the spring and the movable clamping arm, the movable clamping arm is designed into an L shape, the lower section of the movable clamping arm is hinged to the fixed seat, the upper section of the movable clamping arm is sleeved on the limiting column through the through hole, the through hole is located at the upper part of the limiting column under a free state through the support of the spring, the lower end of the movable clamping arm is matched with the fixed clamping arm to horizontally clamp the disc brake sheet to be tested, the movable clamping arm is rapidly opened outwards through rapidly pressing the upper section of the movable clamping arm, the disc brake sheet to be tested is guaranteed to be kept in a horizontal state when the disc brake sheet falls, and compared with the traditional method that the disc brake sheet.
Drawings
Fig. 1 is a schematic structural diagram of a disc brake pad drop test device according to an embodiment of the present invention;
fig. 2 is a bottom view of a local structure of a fixing seat of a drop test device for a disc brake pad according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a disc brake pad;
description of reference numerals:
1. a support; 2. a clamp; 21. a fixed seat; 211. a strip-shaped hole; 22. fixing the clamping arm; 221. fixing the bolt; 23. a movable clamping assembly; 231. a limiting column; 232. a spring; 233. a movable clamping arm;
234. a through hole; 3. a base; 4. a cement board; 5. enclosing plates; 6. a leveling assembly; 61. a support plate; 62. adjusting the bolt; 63. a bearing; 64. a level bar; 7. a universal wheel; 8. a disc brake sheet.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the movable clamping arm is designed into an L shape, the lower section of the movable clamping arm is hinged to the fixing seat, the upper section of the movable clamping arm is sleeved on the limiting column through the through hole, and the through hole is located in the upper portion of the limiting column under the free state of the movable clamping arm supported by the spring, so that the lower end of the movable clamping arm is matched with the fixed clamping arm to horizontally clamp the disc brake piece to be tested, and the disc brake piece is guaranteed to horizontally.
Referring to fig. 1 to 3, the invention relates to a drop test device for a disc brake pad 8, which comprises a bracket 1 and a clamp 2 connected to the top end of the bracket 1;
the clamp 2 comprises a fixed seat 21, a fixed clamping arm 22 and a movable clamping assembly 23, the movable clamping assembly 23 comprises a limiting column 231, a spring 232 and a movable clamping arm 233, the limiting column 231 is fixedly connected to the upper portion of the fixed seat 21, the spring 232 is sleeved on the limiting column 231, the movable clamping arm 233 is L-shaped, a through hole 234 is formed in the vertical direction of the upper section of the movable clamping arm 233, the limiting column 231 penetrates through the through hole 234, and the spring 232 abuts against the outer edge of the lower portion of the through hole 234; the lower section of the movable clamping arm 233 is hinged to the fixed seat 21, so that the movable clamping arm 233 can swing in a vertical plane;
the fixed clamping arm 22 is connected to the lower part of the fixed seat 21, and the disc brake sheet 8 is horizontally clamped by the lower ends of the fixed clamping arm 22 and the movable clamping arm 233.
The working principle of the disc brake sheet 8 drop test device is explained as follows: pressing the upper section of the movable clamping arm 233 to enable the upper section of the movable clamping arm 233 to move downwards relative to the limiting column 231, wherein the lower section of the movable clamping arm 233 is hinged to the fixed seat 21, at the moment, the lower end of the movable clamping arm 233 moves a small distance in the direction away from the fixed clamping arm 22, then the disc brake sheet 8 to be tested is horizontally placed between the fixed clamping arm 22 and the movable clamping arm 233 through a manual or mechanical arm, then the upper section of the movable clamping arm 233 is loosened to enable the upper section of the movable clamping arm 233 to move upwards under the resilience action of the spring 232, so that the lower end of the movable clamping arm 233 is driven to move towards the fixed clamping arm 22, the disc brake sheet 8 to be tested is clamped, and the; then, the upper section of the movable clamping arm 233 is rapidly pressed, so that the lower end of the movable clamping arm 233 opens towards the direction away from the fixed clamping arm 22, the disc brake sheet 8 to be tested loses clamping instantly and falls horizontally, and the purpose of drop test of the disc brake sheet 8 is achieved.
In the above-mentioned dish brake piece 8 drop test device structure, through set up fixed arm lock 22 and activity centre gripping subassembly 23 on fixing base 21, activity centre gripping subassembly 23 includes spacing post 231, spring 232 and activity arm lock 233, activity arm lock 233 designs into L shape, articulate its hypomere in fixing base 21, the upper segment cup joints in spacing post 231 through-hole 234, and support through spring 232 and make under the free state, through-hole 234 is located spacing post 231 upper portion, make activity arm lock 233 lower extreme cooperation fixed arm lock 22 horizontal centre gripping dish brake piece 8 that awaits measuring, through pressing the activity arm lock 233 upper segment rapidly, make activity arm lock 233 open outward rapidly, keep the horizontal state when guaranteeing that the dish brake piece 8 that awaits measuring falls, compare the mode that falls through artifical handheld dish brake piece 8 among the conventional art, avoid the edge of the dish brake piece 8 that awaits measuring to land at first and influence the accuracy of test.
Further, in the above-mentioned dish piece 8 of stopping falls testing arrangement structure, fixing base 21 is equipped with bar hole 211, fixed arm lock 22 is fixed in bar hole 211 through fixing bolt 221.
Known by the above description, through set up bar hole 211 on fixing base 21, be fixed in bar hole 211 through fixing bolt 221 with fixed arm lock 22, through nut locking, fixed arm lock 22 accessible unscrewing nut comes to adjust its mounted position on fixing base 21 according to the model of dish piece 8 of stopping to keep the dish piece 8 level of stopping when guaranteeing its centre gripping dish piece 8 of stopping that awaits measuring, guarantee that the dish piece 8 of stopping can the level whereabouts.
Further, in the structure of the drop test device for the disc brake sheet 8, the clamping portion of the fixing clamping arm 22 is a smooth arc surface.
As can be seen from the above description, the clamping portion of the fixed clamping arm 22 is designed to be a smooth arc surface, so that when the movable clamping arm 233 is matched with the disc brake pad 8 to clamp the disc brake pad 8, the contact area with the edge of the disc brake pad 8 can be reduced, and when the movable clamping arm 233 is loosened, the friction between the fixed clamping arm 22 and the edge of the disc brake pad 8 can be avoided to affect the horizontal falling of the disc brake pad 8.
Further, in the structure of the drop test device for the disc brake sheet 8, the number of the fixing clamp arms 22 is 2.
From the above description, through setting up 2 fixed arm lock 22, when making fixed arm lock 22 and activity arm lock 233 cooperation centre gripping dish piece 8 of stopping, the dish piece 8 of stopping obtains three-point centre gripping and supports, makes the centre gripping more firm, further keeps the dish to stop piece 8 and keeps the level when the centre gripping.
Further, among the above-mentioned dish piece 8 drop test device structure of stopping, the dish drop test device of stopping still includes base 3, support 1 is connected on 3 upper portions of base, be equipped with cement board 4 on the base 3.
As can be seen from the above description, the cement board 4 is arranged on the base 3 and is used for receiving and striking the disc brake sheet 8 which freely falls off above, so that the disc brake sheet 8 falling test device can standardize the ground conditions.
Furthermore, in the structure of the drop test device for the disc brake sheet 8, a coaming 5 is arranged on the base 3, and the coaming 5 is positioned around the cement plate 4.
As can be seen from the above description, by arranging the enclosing plates 5 around the cement board 4 of the base 3, the disc brake sheet 8 is prevented from falling off to generate secondary bounce and falling to irregular ground to influence the test result.
Further, in the above-mentioned dish piece 8 of stopping falls testing arrangement structure, base 3 is erect to cement board 4, base 3 is erect to bounding wall 5.
As can be seen from the above description, the floor slab 4 and the base 3 are both detachable, facilitating the disassembly and transportation of the device.
Further, in the structure of the drop test device for the disc brake 8, the base 3 is provided with the leveling component 6, and the leveling component 6 comprises a support plate 61, an adjusting bolt 62 and a bearing 63;
the four corners of the base 3 are provided with bearings 63, the bearings 63 are connected with adjusting bolts 62, the four corners of the supporting plate 61 are respectively provided with threaded holes matched with the adjusting bolts 62, the adjusting bolts 62 penetrate through the threaded holes, and the cement plate 4 is erected on the upper portion of the supporting plate 61.
Known from the above description, through adjusting bolt 62 on the rotating base 3 four corners, the levelness of adjustable backup pad 61 further guarantees that the level of dish piece 8 of stopping falls to the cement board 4 that the level was placed on, has further improved the accuracy of test.
Further, in the structure of the drop test device for the disc brake 8, a horizontal ruler 64 is arranged on the supporting plate 61.
As can be seen from the above description, the leveling of the cost is facilitated for the worker by providing the level 64 on the supporting plate 61.
Furthermore, in the structure of the drop test device for the disc brake sheet 8, the lower part of the base 3 is provided with a plurality of universal wheels 7.
As can be seen from the above description, the transfer of the test apparatus is facilitated by providing a plurality of universal wheels 7 at the lower portion of the base 3.
Example 1
A drop test device for a disc brake pad 8 comprises a bracket 1 and a clamp 2 connected to the top end of the bracket 1; the clamp 2 comprises a fixed seat 21, a fixed clamping arm 22 and a movable clamping assembly 23, the movable clamping assembly 23 comprises a limiting column 231, a spring 232 and a movable clamping arm 233, the limiting column 231 is fixedly connected to the upper portion of the fixed seat 21, the spring 232 is sleeved on the limiting column 231, the movable clamping arm 233 is L-shaped, a through hole 234 is formed in the vertical direction of the upper section of the movable clamping arm 233, the limiting column 231 penetrates through the through hole 234, and the spring 232 abuts against the outer edge of the lower portion of the through hole 234; the lower section of the movable clamping arm 233 is hinged to the fixed seat 21, so that the movable clamping arm 233 can swing in a vertical plane; the fixed clamping arm 22 is connected to the lower part of the fixed seat 21, and the movable clamping arm 233 can swing around a fixed pin arranged on the fixed seat 21; the disc brake sheet 8 is horizontally clamped by the clamping jaws formed by the fixed clamping arm 22 and the movable clamping arm 233.
The fixing seat 21 is provided with a strip-shaped hole 211, and the fixing clamping arm 22 is fixed in the strip-shaped hole 211 through a fixing bolt 221. The clamping portion of the fixed clamp arm 22 is a smooth arc surface. The number of the fixed clamping arms 22 is 2. Disc brake piece drop test device still includes base 3, support 1 is connected on 3 upper portions of base, be equipped with cement slab 4 on the base 3. And a coaming 5 is arranged on the base 3, and the coaming 5 is positioned around the cement board 4. The cement board 4 is erected on the base 3, and the coaming 5 is erected on the base 3. The base 3 is provided with a leveling component 6, and the leveling component 6 comprises a supporting plate 61, an adjusting bolt 62 and a bearing 63; the four corners of the base 3 are provided with bearings 63, the bearings 63 are connected with adjusting bolts 62, the four corners of the supporting plate 61 are respectively provided with threaded holes matched with the adjusting bolts 62, the adjusting bolts 62 penetrate through the threaded holes, and the cement plate 4 is erected on the upper portion of the supporting plate 61. A level 64 is arranged on the supporting plate 61. The lower part of the base 3 is provided with a plurality of universal wheels 7.
In summary, in the structure of the drop test device for the disc brake pad provided by the invention, the fixed clamp arm and the movable clamp assembly are arranged on the fixed seat, the movable clamp assembly comprises the limit column, the spring and the movable clamp arm, the movable clamp arm is designed into an L shape, the lower section of the movable clamp arm is hinged to the fixed seat, the upper section of the movable clamp arm is sleeved on the limit column through the through hole, the through hole is positioned at the upper part of the limit column under a free state through the support of the spring, the lower end of the movable clamp arm is matched with the fixed clamp arm to horizontally clamp the disc brake pad to be tested, the movable clamp arm is rapidly opened outwards through rapidly pressing the upper section of the movable clamp arm, the disc brake pad to be tested is ensured to be kept in a horizontal state when the disc brake pad drops, and compared with the traditional method that the.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. A disc brake piece drop test device is characterized by comprising a bracket and a clamp connected to the top end of the bracket;
the clamp comprises a fixed seat, a fixed clamping arm and a movable clamping assembly, the movable clamping assembly comprises a limiting column, a spring and a movable clamping arm, the limiting column is fixedly connected to the upper portion of the fixed seat, the spring is sleeved on the limiting column, the movable clamping arm is L-shaped, a through hole is formed in the vertical direction of the upper section of the movable clamping arm, the limiting column penetrates through the through hole, and the spring abuts against the outer edge of the lower portion of the through hole; the lower section of the movable clamping arm is hinged to the fixed seat, so that the movable clamping arm can swing in a vertical plane;
the fixed clamping arm is connected to the lower part of the fixed seat, and the disc brake sheet is horizontally clamped by the fixed clamping arm and the clamping jaw of the movable clamping arm;
the clamping part of the fixed clamping arm is a smooth cambered surface;
the number of the fixed clamping arms is 2.
2. The disc brake pad drop test device according to claim 1, wherein the fixing seat is provided with a strip-shaped hole, and the fixing clamp arm is fixed in the strip-shaped hole through a fixing bolt.
3. The disc brake pad drop test device according to claim 1, further comprising a base, wherein the bracket is connected to the upper portion of the base, and a cement plate is arranged on the base.
4. The disc brake pad drop test device according to claim 3, wherein a coaming is arranged on the base and located around the cement board.
5. The disc brake pad drop test device according to claim 4, wherein the cement plate is erected on the base, and the coaming is erected on the base.
6. The disc brake pad drop test device according to claim 3, wherein a leveling component is arranged on the base, and the leveling component comprises a support plate, an adjusting bolt and a bearing;
the four corners of the base are provided with bearings, the bearings are connected with adjusting bolts, the four corners of the supporting plate are respectively provided with threaded holes matched with the adjusting bolts, the adjusting bolts penetrate through the threaded holes, and the cement board is erected on the upper portion of the supporting plate.
7. The disc brake pad drop test device according to claim 6, wherein a level is arranged on the support plate.
8. The disc brake pad drop test device according to claim 3, wherein a plurality of universal wheels are arranged on the lower portion of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019298.3A CN109540449B (en) | 2019-01-09 | 2019-01-09 | Disc brake piece drop test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019298.3A CN109540449B (en) | 2019-01-09 | 2019-01-09 | Disc brake piece drop test device |
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| Publication Number | Publication Date |
|---|---|
| CN109540449A CN109540449A (en) | 2019-03-29 |
| CN109540449B true CN109540449B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019298.3A Active CN109540449B (en) | 2019-01-09 | 2019-01-09 | Disc brake piece drop test device |
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| CN101738299A (en) * | 2008-11-10 | 2010-06-16 | 深圳易拓科技有限公司 | A drop test device |
| KR20130067782A (en) * | 2011-12-14 | 2013-06-25 | 한국항공우주연구원 | Test-piece releaser for impact tester |
| CN203561563U (en) * | 2013-11-13 | 2014-04-23 | 超威电源有限公司 | Device for testing falling intensity of lead-acid storage battery |
| KR20160106928A (en) * | 2015-03-03 | 2016-09-13 | 화이버텍(주) | Impact testing apparatus |
| CN205157345U (en) * | 2015-11-10 | 2016-04-13 | 广东天保新材料有限责任公司 | A device for plastics exemplar drop test |
| CN206493243U (en) * | 2016-12-21 | 2017-09-15 | 东莞市众志检测仪器有限公司 | A kind of single-ended two-way adjustment Pneumatic clamping mechanism and mobile phone drop |
| CN207636267U (en) * | 2017-06-27 | 2018-07-20 | 莱茵技术监护（深圳）有限公司 | Fall-down test auto testing instrument |
| CN207964515U (en) * | 2018-04-09 | 2018-10-12 | 青岛晟泰建设工程检测有限公司 | A kind of height-adjustable tubing drop shutter test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891178A (en) * | 2015-12-19 | 2017-06-27 | 天津顺泰福鑫机械加工有限公司 | A kind of milling machine clamp assemblies |
| CN207188836U (en) * | 2017-08-07 | 2018-04-06 | 浙江卡卡自动化设备有限公司 | A kind of nut drilling machine with clamping function |
| CN109009486A (en) * | 2018-07-20 | 2018-12-18 | 兖矿集团有限公司总医院 | A kind of angiocarpy department contrast apparatus |
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| CN109540449A (en) | 2019-03-29 |
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