CN203658184U - Motor vehicle brake hose flexural fatigue tester - Google Patents
Motor vehicle brake hose flexural fatigue tester Download PDFInfo
- Publication number
- CN203658184U CN203658184U CN201420155387.3U CN201420155387U CN203658184U CN 203658184 U CN203658184 U CN 203658184U CN 201420155387 U CN201420155387 U CN 201420155387U CN 203658184 U CN203658184 U CN 203658184U
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- reductor
- flexible pipe
- automobile braking
- fatigue testing
- testing machine
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Abstract
The utility model discloses a motor vehicle brake hose flexural fatigue tester which comprises a fixed part and a rotary part, and is characterized in that the rotary part comprises a servo motor (7), speed reducers (8) connected with the servo motor (7) by couplers (11), and a rotary table (9), wherein the rotary table (9) is connected with a movable connecting rod (10) which is provided with a movable connecting rod connector (4); the three speed reducers (8) comprise two side speed reducers (24) and a center speed reducer (25); the center speed reducer is matched with the servo motor and is connected with the two side speed reducers (24) by the couplers (11). According to the motor vehicle brake hose flexural fatigue tester, the three speed reducers are reasonably arranged, so that two-axis output is flexibly and effectively realized, and the output speeds and the output directions are completely the same; the speed reducers are located and restrained, so that the damage to the connecting rod caused by low assembly accuracy can be greatly avoided; a pressure supply system of the tester is simple in structure and principle and reliable in pressure guarantee.
Description
Technical field
Utility model relates to a kind of motor vehicle equipment test machine, relates in particular to a kind of automobile braking flexible pipe flexing fatigue testing machine.
Background technology
Domestic this type of testing equipment is adopted double-crank four-bar physical construction more at present, control mode is relatively single, drive part electrical technology is outmoded, especially the limitation on possessing skills aspect the impact of the adaptability on test specimen, surrounding environment and the expansion of follow-up function, and vibration, noise are generally larger, can not meet well automobile braking flexible pipe endurance quality and detect the requirement of the existing and Future Development trend in market.
Standard GB16897-2010 " properity of air-brake coupling hose requires and test method ", together with 1997 editions standards before its plate change, totally implements the time of nearly 17 years.Promulgate the initial stage in standard, the part producing manufacturer of auto parts and components checkout equipment has developed corresponding testing equipment product, and is applied to air-brake coupling hose inspection body and part brake hose manufacturer man.But, to find by investigation, in such device fabrication, it designs and develops method immature to industry, out-of-date, the simple technology of most application and process structure.In recent years, brake failure Frequent Accidents, automobile braking flexible pipe also accounts for larger deal in the importance of car load safety, people's traffic safety consciousness progressively improves, under the impact of factor like that, the type of air-brake coupling hose, structure, mounting means, test method etc. also become numerous and complicated, and the existing air-brake coupling hose flexing fatigue testing equipment adapting to it is all being deposited problem in various degree in actual applications.And similar devices is just towards future developments such as integrated, robotization, multisystem, high reliability, test platform is relatively numerous and diverse, volume is also relatively huge, and cost, generally higher than domestic, certainly leads to inconvenience at aspects such as finished product transport, later maintenance and corrective maintenance, maintenance.The research and development of this testing equipment, by for a long time to automobile braking hose product pattern, the tracking of kind variation tendency, utilize ripe at present check system and machinery, electric, robotization correlation technique, the developing direction of the air-brake coupling hose that looks to the future inspection industry, according to CNCA-02C-057 " motor vehicles product Compulsory Certification of Products code fo practice-automobile braking hose product ", standard GB/T 16897-2010 " the structure of air-brake coupling hose, performance requirement and test method " and domestic, outer other with in class standard about the testing requirements of automobile braking flexible pipe flexing fatigue, develop a kind of testing equipment of the air-brake coupling hose flex fatigue property testing requirement that meets multiple pattern.
Innovation and creation content
Technical matters to be solved of the present utility model is to provide a kind of motor vehicle equipment test machine, a kind of automobile braking flexible pipe flexing fatigue testing machine is especially provided, overcome above-mentioned technical matters, a kind of efficient, intellectuality, simple and beautiful structure, the rigorous accurate automobile braking flexible pipe flexing fatigue testing equipment of process control, have advantages of maturation, advanced person, strong adaptability, favorable expandability.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of automobile braking flexible pipe flexing fatigue testing machine, comprises fixed part and rotating part; Described fixed part comprises pedestal, is located at the topworks's mounting bracket on described pedestal, is located at the pressure feed system in described base framework, is located at sample end displacement governor motion, pressure unit on described pedestal;
Described Base body is welded by channel-section steel, and entirety is firm, firm, weight is larger; Described base bottom and ground contacting part are arranged with foot pad, so that bumper and absorbing shock, vibration and noise can effectively prevent equipment operation time.
Described pressure feed system, is located in base framework, comprises the pressure unit of being located at above sliding stand, and function is the pressure of warranty test sample interior, and structure is relative with principle simple, and its pressure acquisition is realized by described pressure unit.
Described pressure feed system principle is similar to hydraulic jack, by fuel feeding handle repeatedly pressure-raising the brake fluid in the fuel reserve tank of pressure feed system can be directed to accumulator, pressure builds up, and reaches setting.If the switch of links is all leaving, this pressure is passed to flexible pipe sample.At this time just can do experiment.Supply with size that can Quality control internal pressure by adjusting knob and switching knob and having or not to flexible pipe sample by pipeline.
Described fuel reserve tank top is water conservancy diversion funnel, convenient oiling, and there is filter cleaner inside, so that impurity screening.
Described pressure unit is for collecting work pressure.
Described sample end displacement governor motion comprises ball-screw, sliding stand, line slideway.Described sliding stand is located on ball-screw, realizes the adjustment moving forward and backward; Described ball-screw connects handwheel; Described sliding stand is located on line slideway, and described line slideway is located on described pedestal.Operator rotates described handwheel, can drive described ball-screw to rotate, and the sliding stand being installed on above described ball-screw is realized the adjustment moving forward and backward, and its weight is mainly born by the line slideway of two high precision, heavy load.
Described line slideway both sides are provided with 4 set bolts, when reaching after desired location, fix this position by the bolt of tightening described line slideway both sides, prevent sliding stand play after equipment operation.Described 4 bolts are divided into two groups, two every group, lay respectively at line slideway one side of described both sides.
Below the inner table top of described base framework, there is respectively a tapping slide block, the effectively slack of adjustable brake hose test sample of described sample end displacement governor motion, and utilize 2 groups of bolts to coordinate slide block to be locked, can be more than operating table surface while making operator regulate sample end displacement, and needn't go the following part of operating table surface.
On on described sliding stand, be also provided with pressure unit and joint; Described pressure unit is pressure acquisition device, and the pressure signal of collection is sent to host computer touch screen human-computer interface after processing by PLC, shows actual pressure value.And the adjusting of rotating speed is to set by man-machine interface, after processing by PLC, transmitted, to described servomotor, is controlled running speed and the direction of servomotor.Described joint is for end that brake hose assemblies is installed, and this joint can be by improving or the other forms of joint that changes the outfit is realized the space allocation of position.
Described rotating part, i.e. topworks, comprises servomotor, connects reductor and the rotating disk of described servomotor by shaft coupling, and described rotating disk connects movable link, and described movable link is provided with movable link joint;
Due to the operating mode of the restriction of machine work precision and the high rotating speed of equipment, high moment of inertia, the structure of described topworks, is the key of equipment complex performance quality.By Proper Match and the layout of described servomotor and reductor, this equipment has been realized set objective smoothly, and noise, vibration are effectively controlled, and Whole Equipment smooth running, meets test method and the requirement of national Specification completely.In addition, equipment has good extendability, by increasing described connecting rod size and joint quantity, tests demand when can meeting more Multi-example.
Described topworks mounting bracket, pressure feed system and sample end displacement governor motion are all directly installed on pedestal by bolt-connection;
Described topworks is located on topworks's mounting bracket, and described topworks mounting bracket comprises that bracket base, upper cover plate, anterior location-plate and left and right cover plate form, for installing and location reductor.Described support adopts No. 45 steel, the processing of turning blue after key position finishing.
Described reductor has 3, comprises both sides reductor and central reductor; Described central reductor reduction gear ratio is 2:1, direct and servomotor coupling, and central reductor is connected with both sides reductor by described shaft coupling.By installation like this and layout, can strict guarantee described in the output shaft rotating speed of both sides reductor be strict equating, and the two axis can ensure the depth of parallelism well, prevents the quick-wearing of crossing that described movable link causes because assembly precision is not high.
Speed transfer route is: described servomotor reaches described central reductor, after described central reductor slows down, reach both sides reductor by described shaft coupling, two both sides speed reducer output shafts obtain identical rotating speed, and then being passed to rotating disk, drivening rod turns round according to desired speed.
Owing to adopting above design proposal, the utlity model has following outstanding effect:
1. the utility model is electromechanical integrated device, and air-brake coupling hose is as the mandatory inspection product of current motor vehicles, and its flexing fatigue test is an important performance test link.The requirement of clause 5.3.5 " flexing fatigue " in establishing criteria GB16897-2010 " properity of air-brake coupling hose requires and test method ", the testing equipment to the utility model test, test are prepared and test routine is all specified.
The application by " testing equipment " for to be formed by fixed part and rotating part.Fixed part comprises non-moving waling stripe, and rotating part comprises described movable waling stripe, and two connecting rods are parallel, and on it, be all provided with can parallel installation brake hose assemblies several joints.At right angle setting is distinguished in two rotating disks by bearing in described movable waling stripe two ends.Disk operation rotating speed is 800r/min ± 10r/min, and drives thus the air-brake coupling hose end of being fixed in movable level to rotate with this speed, and air-brake coupling hose the other end of being fixed on sliding stand joint keeps static.For a brake hose assemblies, one end moves in a circle with respect to the other end, and track diameter is 203.20mm ± 0.25mm.The flex fatigue property of the main test machine motor-car of this pilot project air-brake coupling hose, how testing and how to improve test operating mode is two key issues that the actuating equipment R&D process of this test should particularly be paid close attention to.
2. this utility model automobile braking flexible pipe flexing fatigue testing equipment comprises fixed part and rotating part.Wherein, fixed part is mainly made up of pedestal, topworks's mounting bracket, pressure feed system, sample end displacement governor motion, pressure unit.Rotating part is topworks, is mainly made up of servomotor, reductor, rotating disk, connecting rod and joint.Topworks's mounting bracket, pressure feed system and sample end displacement governor motion are all directly installed on pedestal by bolt-connection, and Base body is welded by channel-section steel, with ground contact portion, foot pad are installed, so that bumper and absorbing shock.Topworks's mounting bracket adopts No. 45 steel, the processing of turning blue after key position finishing.The function of pressure feed system is the pressure of warranty test sample interior, and structure is relative with principle simple, and its pressure acquisition is realized by the pressure unit being installed on above sliding stand.Sample end displacement governor motion is mainly made up of ball-screw, sliding stand, line slideway, effectively the slack of adjustable brake hose test sample.Due to the operating mode of the restriction of machine work precision and the high rotating speed of equipment, high moment of inertia, the structure of topworks, is the key of equipment complex performance quality.By Proper Match and the layout of servomotor and reductor, this equipment has been realized set objective smoothly, and noise, vibration are effectively controlled, and Whole Equipment smooth running, meets test method and the requirement of national Specification completely.In addition, equipment has good extendability, by increasing connecting rod size and joint quantity, tests demand when can meeting more Multi-example.
3. the utility model utilizes described servomotor to realize unit as speed, than adopting, the same category of device control accuracy of threephase asynchronous machine is higher, locate more accurate, by PLC program reasonable in design, can realize device start steadily, turn round smooth and easy, stop without impacting, control than threephase asynchronous machine is more flexible, and the later stage is more easily expanded functions of the equipments.Described in equipment, the implementation of topworks and the difference of same category of device are mainly reflected in selecting with cloth of described reductor and are set up, equipment adopts 3 reductor rational deployment, can effectively realize flexibly diaxon output, and output speed size and Orientation is identical.By the location to described reductor and constraint, can greatly avoid the not high injury that described connecting rod is caused of assembly precision.Pressure feed system architecture and the principle of equipment are simple, and pressure ensures reliable.
Sample end displacement governor motion is simple and compact for structure, high efficient and reliable.
Equipment, by the man-machine interface setting speed in host computer, can show the pressure signal being sent by PLC in real time.The generation of pressure, passes through pressure-raising fuel feeding handle repeatedly, and suitably rotates adjusting knob controlled pressure size, having or not and keeping by knob controlled pressure described in switch.Pressure unit gathers pressure, and signal is sent to PLC and carries out processing in early stage.Through real-world operation, noise of equipment and vibration are all significantly less than same category of device in the past, and operation and control more convenient.
Brief description of the drawings
Fig. 1 is that the utility model automobile braking flexible pipe flexing fatigue testing equipment is installed the front elevational schematic after flexible pipe sample
Fig. 2 is the schematic side view of the flexible pipe of automobile braking shown in Fig. 1 flexing fatigue testing equipment
Fig. 3 is the schematic top plan view of the flexible pipe of automobile braking shown in Fig. 1 flexing fatigue testing equipment
Fig. 4 is another schematic side view of the flexible pipe of automobile braking shown in Fig. 1 flexing fatigue testing equipment
Fig. 5 is that the flexible pipe of automobile braking shown in Fig. 1 flexing fatigue testing equipment is removed the elevational schematic view after base element
Fig. 6 is the schematic top plan view that reductor and servomotor Matching installation are arranged
1-pedestal, 2-topworks mounting bracket, 3-sample end displacement governor motion, 4-movable link joint, 5-pressure unit, 6-topworks, 7-servomotor, 8-reductor, 9-rotating disk, 10-movable link, 11-shaft coupling, 12-joint, 13-foot pad, 14-fuel feeding handle, 15-fuel reserve tank, 16-accumulator, 17-pipeline, 18-bracket base, 19-adjusting knob, 20-switching knob, 21-water conservancy diversion funnel, 22-sliding stand, 23-upper cover plate, 24-both sides reductor, 25-central authorities reductor, 26-handwheel, 27-ball-screw, 28-line slideway, 29-set bolt, 30-tapping slide block, the anterior location-plate of 31-, 32-left and right cover plate 33-flexible pipe sample
Embodiment
A kind of automobile braking flexible pipe flexing fatigue testing machine as shown in Figure 1, Figure 2, Figure 3, Figure 4, structure comprises fixed part and rotating part; Described fixed part comprises pedestal 1, topworks's mounting bracket 2, pressure feed system, sample end displacement governor motion 3, pressure unit 5;
Described base bottom and ground contacting part are arranged with foot pad 13;
Described pressure feed system, comprises pressure unit 5, and function is the pressure of warranty test sample interior, and structure is relative with principle simple, and its pressure acquisition is realized by described pressure unit.Described pressure feed system comprises in fuel feeding handle 14, fuel reserve tank 15, fuel reserve tank 15 tops are water conservancy diversion funnel 21 described in pipeline 17, adjusting knob 19 and switching knob 20; On described sliding stand, be also provided with pressure unit 5 and joint 12 on 22; The pressure signal of described pressure unit collection is sent to host computer touch screen human-computer interface after processing by PLC, shows actual pressure value.Described joint is for end that brake hose assemblies is installed, and this joint can be by improving or the other forms of joint that changes the outfit is realized the space allocation of position.
Described sample end displacement governor motion comprises ball-screw 27, sliding stand 22, line slideway 28, and described ball-screw 27 connects handwheel 26.Described line slideway 28 both sides are provided with 4 set bolts 29, and described 4 bolts are divided into two groups, two every group, lay respectively at line slideway one side of described both sides.
There is a tapping slide block 30 described base framework inside, the effectively slack of adjustable brake hose test sample of described sample end displacement governor motion 3, and utilize 2 groups of bolts to coordinate slide block to be locked.
Described rotating part, i.e. topworks 6, comprises servomotor 7, connects reductor 8 and the rotating disk 9 of described servomotor 7 by shaft coupling 11, and described rotating disk 9 connects movable link 10, and described movable link 10 is provided with movable link joint 4;
Described reductor has 3, comprises both sides reductor 24 and central reductor 25; Described central reductor reduction gear ratio is 2:1, direct and servomotor coupling, and central reductor is connected with both sides reductor 24 by described shaft coupling.By installation like this and layout, can strict guarantee described in the output shaft rotating speed of both sides reductor be strict equating, and the two axis can ensure the depth of parallelism well, prevents the quick-wearing of crossing that described movable link (10) causes because assembly precision is not high.
By Proper Match and the layout of described servomotor 7 and reductor 8, this equipment has been realized set objective smoothly, and noise, vibration are effectively controlled, and Whole Equipment smooth running, meets test method and the requirement of national Specification completely.In addition, equipment has good extendability, by increasing described connecting rod size and movable link joint 10 quantity, tests demand when can meeting more Multi-example.
Described topworks is located on topworks's mounting bracket 2, and described support comprises that bracket base 18, upper cover plate 23, anterior location-plate 31 and left and right cover plate 32 form, for installing and location reductor.
The speed transfer route of described rotating mechanism is: described servomotor reaches described central reductor 25, after described central reductor slows down, reach both sides reductor 24 by described shaft coupling, two both sides speed reducer output shafts obtain identical rotating speed, and then being passed to rotating disk 9, drivening rod 10 turns round according to desired speed.
The utility model specific operation process is: power supply, brake hose assemblies one end is installed on the movable link joint 4 of described movable link 10, and the other end is installed in sliding stand 22 corresponding joints 12 above.Open switching knob 20, pressure-raising fuel feeding handle 26 to touch-screen shows that pressure is slightly larger than master gauge constant-pressure repeatedly, and rotation adjusting knob 19 is until pressure reaches testing requirements.By host computer man-machine interface, starting up speed is set, entry into service, fixed time until flexible pipe sample 33 loses efficacy or reaches master gauge.
Claims (7)
1. an automobile braking flexible pipe flexing fatigue testing machine, comprises fixed part and rotating part; Described fixed part comprises pedestal (1), be located at the topworks's mounting bracket (2) on described pedestal, be located at the pressure feed system in described pedestal (1) framework, be located at sample end displacement governor motion (3), pressure unit (5) on described pedestal (1); It is characterized in that:
Described rotating part is topworks (6), comprise servomotor (7), connect reductor (8) and the rotating disk (9) of described servomotor (7) by shaft coupling (11), described rotating disk (9) connects movable link (10), and described movable link (10) is provided with movable link joint (4);
Described reductor (8) comprises both sides reductor (24) and central reductor (25); Described central reductor mates with servomotor, and described central reductor is connected with both sides reductor (24) by shaft coupling (11).
2. according to the automobile braking flexible pipe flexing fatigue testing machine of claim 1, it is characterized in that: described central reductor reduction gear ratio is 2:1 direct and servomotor coupling.
3. according to the automobile braking flexible pipe flexing fatigue testing machine of claim 1, it is characterized in that: the mounting bracket (2) of described topworks is bolted on pedestal; Described mounting bracket comprises bracket base (18), upper cover plate (23), anterior location-plate (31) and left and right cover plate (32).
4. according to the automobile braking flexible pipe flexing fatigue testing machine of claim 1, it is characterized in that: described Base body is welded by channel-section steel; Described base bottom and ground contacting part are arranged with foot pad (13).
5. according to the automobile braking flexible pipe flexing fatigue testing machine of claim 1, it is characterized in that: described pressure feed system is located in base framework, comprise and be located at sliding stand (22) pressure unit (5) and joint (12), fuel feeding handle (14), fuel reserve tank (15), accumulator (16), pipeline (17), adjusting knob (19) and switching knob (20) above;
Described fuel reserve tank (15) top is water conservancy diversion funnel (21).
6. according to the automobile braking flexible pipe flexing fatigue testing machine of claim 1 or 5, it is characterized in that: described sample end displacement governor motion comprises ball-screw (27), sliding stand (22), line slideway (28); Described sliding stand (22) is located on ball-screw (27); Described ball-screw (27) connects handwheel (26); It is upper that described sliding stand (22) is located at line slideway (28), and described line slideway (28) is located on described pedestal (1).
7. according to the automobile braking flexible pipe flexing fatigue testing machine of claim 5, it is characterized in that: described line slideway both sides are provided with 4 set bolts (29); In described base framework, be provided with a tapping slide block (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155387.3U CN203658184U (en) | 2014-04-02 | 2014-04-02 | Motor vehicle brake hose flexural fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155387.3U CN203658184U (en) | 2014-04-02 | 2014-04-02 | Motor vehicle brake hose flexural fatigue tester |
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| Publication Number | Publication Date |
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| CN203658184U true CN203658184U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420155387.3U Expired - Lifetime CN203658184U (en) | 2014-04-02 | 2014-04-02 | Motor vehicle brake hose flexural fatigue tester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938068A (en) * | 2015-12-24 | 2016-09-14 | 石油和化学工业橡胶及再生产品质量监督检验中心（天津市质量监督检验站第四十二站） | Linear positioning device of hydraulic brake hose bending tester |
| CN106556544A (en) * | 2016-11-07 | 2017-04-05 | 广电计量检测（湖南）有限公司 | A kind of metal bellow swings crooked test system |
| CN107860563A (en) * | 2017-09-25 | 2018-03-30 | 衢州学院 | A kind of automobile brake hose flexing fatigue experimental rig |
| CN107884293A (en) * | 2017-09-25 | 2018-04-06 | 衢州学院 | A kind of automobile brake hose flexing fatigue test method |
| CN108120588A (en) * | 2016-11-28 | 2018-06-05 | 宁波比亚迪半导体有限公司 | The fatigue endurance test method of air-brake coupling hose |
| CN110261074A (en) * | 2018-03-12 | 2019-09-20 | 和承 R & A 株式会社 | The device for testing endurance of air-brake coupling hose |
-
2014
- 2014-04-02 CN CN201420155387.3U patent/CN203658184U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938068A (en) * | 2015-12-24 | 2016-09-14 | 石油和化学工业橡胶及再生产品质量监督检验中心（天津市质量监督检验站第四十二站） | Linear positioning device of hydraulic brake hose bending tester |
| CN106556544A (en) * | 2016-11-07 | 2017-04-05 | 广电计量检测（湖南）有限公司 | A kind of metal bellow swings crooked test system |
| CN108120588A (en) * | 2016-11-28 | 2018-06-05 | 宁波比亚迪半导体有限公司 | The fatigue endurance test method of air-brake coupling hose |
| CN107860563A (en) * | 2017-09-25 | 2018-03-30 | 衢州学院 | A kind of automobile brake hose flexing fatigue experimental rig |
| CN107884293A (en) * | 2017-09-25 | 2018-04-06 | 衢州学院 | A kind of automobile brake hose flexing fatigue test method |
| CN110261074A (en) * | 2018-03-12 | 2019-09-20 | 和承 R & A 株式会社 | The device for testing endurance of air-brake coupling hose |
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Address after: No. 32, Tianrong street, Zang village, Beijing, Daxing District, Beijing Patentee after: In the Certification Inspection Co.,Ltd. Address before: No. 32, Tianrong street, Zang village, Beijing, Daxing District, Beijing Patentee before: BEIJING ZHONGQI HUANYU MOTOR VEHICLE INSPECTION CENTER Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102629 No. 32, Tianrong street, Beizang Village Town, Daxing District, Beijing Patentee after: China Machinery Huanyu certification and Inspection Co.,Ltd. Address before: 102609 32 Tianrong street, Bei Zang Town, Daxing District, Beijing Patentee before: In the Certification Inspection Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140618 |