CN103091091A - Durability test bed for automobile air brake manual control valve - Google Patents
Durability test bed for automobile air brake manual control valve Download PDFInfo
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- CN103091091A CN103091091A CN2013100100236A CN201310010023A CN103091091A CN 103091091 A CN103091091 A CN 103091091A CN 2013100100236 A CN2013100100236 A CN 2013100100236A CN 201310010023 A CN201310010023 A CN 201310010023A CN 103091091 A CN103091091 A CN 103091091A
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Abstract
The invention provides an automobile air brake manual control valve durability test bed, which comprises a mechanical loading part for simulating actions and a pneumatic part for driving the mechanical loading part, wherein the mechanical loading part comprises a support part, a sample fixing part, a handle swing arm and a swing arm driving part; the swing arm driving part comprises a linear driving part and a swing driving part; the linear driving cylinder is arranged on the bottom plate and positioned in the linear opening of the vertical plate, a cylinder rod of the linear driving cylinder is connected with the sliding block, the sliding block is arranged in the slide way, the handle swing arm is positioned at the upper part of the vertical plate, and two side arms at the lower end of the handle swing arm cross over the upper end of the vertical plate and are hinged with the sliding block through shaft pins; the bottom of the swing cylinder is hinged with the other side of the bottom plate through a lower hinge seat, and a cylinder rod of the swing cylinder is hinged with an upper hinge seat at the upper end of a handle swing arm through a connecting fork; the upper end of the handle swing arm is provided with a handle claw.
Description
Technical field
The present invention relates to a kind of automobile air brake hand control valve endurance test bed, belong to the auto parts permanance and detect the experimental technique field, is the testing table for detection of automobile air brake hand control valve assembly permanance specifically.
Background technology
Hand control valve is that when performance met design requirement, permanance was also most important for the strength member of controlling automobile braking in the slope and brake hard.At present, the performance of hand control valve is mainly to detect (or detecting on the simple and easy stand of temporarily building) on valve class multi-function test stand stand, owing to there is no special-purpose testing table, test after needing the handle of hand control valve is pulled down, can not simulate the real vehicle applying working condition fully and test, affect the authenticity of test findings, cause in a lot of situations, the endurance issues of hand control valve needs just to expose in complete vehicle test or car load use procedure, and cost of development is strengthened, and the construction cycle lengthens greatly.
Summary of the invention
The objective of the invention is to design a kind of automobile air brake hand control valve endurance test bed, can simulate the real vehicle applying working condition fully, in testing laboratory simulation real vehicle applying working condition, the testing table that carries out the long duration test of hand control valve assembly.
The present invention is achieved in that the mechanical load of automobile air brake hand control valve endurance test bed of the present invention partly comprises bearing part, sample fixed part, handle swing arm and swing arm driving part, its seat part is divided and is comprised base plate, base plate has the riser vertical with base plate on one side, the straight line opening is arranged in the middle of riser, the straight line opening first half has slider slideway, and riser one side connects the sample fixed block; Swing arm driving partly comprises linear drives and wobble drive; The linear drives cylinder is arranged on base plate, be arranged in the straight line opening of riser, the cylinder bar connection sliding block of linear drives cylinder, slide block is placed in described slideway, the handle swing arm is positioned at riser top, and handle swing arm lower end two side arms strides across the riser upper end and slide block is hinged by pivot pin; Oscillating cylinder bottom is hinged by lower hinged seat and base plate another side, and the cylinder bar of oscillating cylinder is hinged by the upper hinged seat of yoke and handle swing arm upper end; There is the handle pawl handle swing arm upper end.
At a riser upper end side mounting limit support relative with oscillating cylinder, limiting bracket comprises bracket base, be arranged on the pivot pin on bracket base, be arranged on the ball bearing at pivot pin two ends, limiting bracket is arranged on the riser upper end by the mounting hole on bracket base, this side of two corresponding handle swing arms of ball bearing both sides.
Adjusting nut and reset buffering pad are arranged on the cylinder bar of described linear drives cylinder and oscillating cylinder.
The cylinder bar of described oscillating cylinder becomes 35~40o angle with base plate.
The stroke up and down of described linear drives cylinder is 4~8mm.
The range of linear drives cylinder is installed at corresponding slide block place, riser upper end adjusts bolt.
Pneumatic part comprises that source of the gas, test exemplar supply air circuit for air circuit, action drives, and the test exemplar comprises for air circuit the first pressure adjusting pressuring valve, the first rain glass, the first gas tank, the first separating switch that is connected successively by pipeline, to testing exemplar; Action drives comprises that for air circuit oscillating cylinder drives loop and vertical air cylinder driven loop; Oscillating cylinder drives the loop and comprises the second pressure adjusting pressuring valve, the second rain glass, the second gas tank, the second separating switch, the second solenoid valve that is connected successively by pipeline, to oscillating cylinder; Vertically the air cylinder driven loop comprises the 3rd pressure adjusting pressuring valve, the 3rd rain glass, the 3rd gas tank, the 3rd separating switch, the 3rd solenoid valve that is connected successively by pipeline, to vertical cylinder;
Described pneumatic part is all established 1~5 outlet by the first gas tank, the second gas tank, the 3rd gas tank, is divided into respectively 1~5 output loop.
The present invention has the following advantages:
1, the present invention utilizes two two-way cylinders to promote the hand control valve handle, a cylinder promotes the hand control valve handle and swings, a cylinder promotes hand control valve and realizes extracting of handle and revert action, and (during driving, the driver extracts handle to simulate the real vehicle applying working condition, again handle is turned to certain angle, when Parking or brake hard, turning handle is to certain angle, then handle is returned to lockup state), after test exemplar handle turns to certain angle, can realize upwards extracting and the action of locking downwards.
2, linear drives cylinder and oscillating cylinder all are designed with the spacing cushion of return, reduce impact and noise in cylinder return process, improve gas serviceable life processed;
3, design handle full swing angle limiting bracket, when handle swings to maximum angle, limited.Ball bearing is housed on limiting bracket, guarantees that handle also can smooth and easy return when maximum angle.
4, in Pneumatic control circuit, use two 20L gas tanks, a loading air feed that is used for the line movement cylinder, a loading air feed that is used for oscillating cylinder makes the gas circuit stable gas pressure; In the input and output gas circuit of hand control valve, use a 30L gas tank, be used for the loading air feed of three exemplars, and guarantee stable gas pressure.Each loop independently pressure-regulating valve and rain glass, the expulsive force that is used for regulating gas circuit air pressure and cylinder; Independently separating switch of each loop, in case certain partial failure, or exemplar has problem, can stop separately, do not affect the work in other exemplar and loop; Each exemplar adopts independent solenoid valve, control circuit and register, can independently control the test of single exemplar.
5, can carry out simultaneously the test of 2~individual sample coupon.
Description of drawings
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is plan structure arrangenent diagram of the present invention.
Fig. 3 is the main TV structure schematic diagram of mechanical load part of the present invention.
Fig. 4 is the backsight structural representation of mechanical load part of the present invention.
Fig. 5 is the perspective view of mechanical load part of the present invention.
Fig. 6 is another angle perspective view of mechanical load part of the present invention.
Fig. 7 is seat part separation structure schematic diagram of the present invention.
Fig. 8 is the structural representation of limiting bracket.
Fig. 9 is pneumatic part schematic diagram of the present invention.
Figure 10 is the pneumatic part schematic diagram that three samples are tested simultaneously.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2: this testing table mainly is arranged on stage body 3 by simulated action mechanical load part 1 with to the pneumatic part 2 of its driving, works under the control of electrical control 4.
Stage body: be used for to install and the fixing steel stage body of pneumatically loading, mechanical load and electrical control components and parts.Can make as required enclosed construction open or the band door.
As Fig. 3~Fig. 7: mechanical load part 1 comprises bearing part, sample fixed part, handle swing arm and swing arm driving part, it is characterized in that: seat part is divided and is comprised base plate 1-1, the riser 1-2 that base plate 1-1 one side is vertical with base plate, vertical opening 1-2a is arranged in the middle of riser 1-2, the vertical opening 1-2a first half has slider slideway 1-2b, and riser 1-2 one side connects sample fixed block 1-10; Swing arm driving partly comprises vertical driving and wobble drive; Vertically driving cylinder 1-3 is arranged on base plate 1-1, be arranged in the vertical opening 1-2a of riser 1-2, vertically drive the cylinder bar connection sliding block 1-4 of cylinder 1-3, slide block 1-4 is placed in described slideway 1-2b, handle swing arm 1-5 is positioned at riser 1-2 top, and handle swing arm 1-5 lower end two side arms strides across riser 1-2 upper end and slide block 1-4 is hinged by pivot pin 1-12; Oscillating cylinder 1-6 bottom is hinged with base plate 1-1 another side by lower hinged seat 1-7, and it is hinged that the cylinder bar of oscillating cylinder 1-6 passes through the upper hinged seat 1-9 of yoke 1-8 and handle swing arm 1-5 upper end; There is handle pawl 1-5a handle swing arm 1-5 upper end.Oscillating cylinder cylinder bar hole 1-1a, bearing mounting hole 1-1b, oscillating cylinder mounting hole 1-1c are arranged on base plate 1-1; There is slide block caging bolt mounting hole 2c on the top of riser 2.
The cylinder bar of described oscillating cylinder 1-6 becomes 35~40o angle with base plate 1-1.
The stroke up and down of described linear drives cylinder 1-3 is 4~8mm.
The range of linear drives cylinder 1-3 is installed at corresponding slide block 1-4 place, riser 1-2 upper end adjusts bolt 1-2c.
Adjusting nut 1-13 and reset buffering pad 1-14 are arranged on the cylinder bar of linear drives cylinder 1-3 and oscillating cylinder 1-6.
Fig. 8 is the structural representation of limiting bracket:
At a riser 1-2 upper end side mounting limit support 1-11 relative with oscillating cylinder 1-6, limiting bracket 1-11 comprises bracket base 1-11a, be arranged on the pivot pin 1-11b on bracket base 1-11a, be arranged on the ball bearing 1-11c at pivot pin 1-11b two ends, limiting bracket 1-11 is arranged on riser 1-2 upper end by the mounting hole 1-11d on bracket base 1-11a, this side of the corresponding handle swing arm of two ball bearing 1-11c 1-5 both sides.1-2e is limiting bracket 1-11 mounting hole.
Fig. 9 is pneumatically loading part schematic diagram:
Pneumatic part 2-2 comprises that source of the gas, test exemplar supply air circuit for air circuit, action drives, the test exemplar comprises for air circuit the first pressure adjusting pressuring valve 2-2, the first rain glass 2-3, the first gas tank 2-1, the first separating switch 2-4 that is connected successively by pipeline, and delivery outlet B is to testing exemplar.Action drives comprises that for air circuit oscillating cylinder drives loop and vertical air cylinder driven loop; Oscillating cylinder drives the loop and comprises the second pressure adjusting pressuring valve 2-6, the second rain glass 2-7, the second gas tank 2-5, the second separating switch 2-8, the second solenoid valve 2-9 that is connected successively by pipeline, and delivery outlet A is to oscillating cylinder; Vertically the air cylinder driven loop comprises the 3rd pressure adjusting pressuring valve 2-11, the 3rd rain glass 2-12, the 3rd gas tank 2-10, the 3rd separating switch 2-13, the 3rd solenoid valve 2-14 that is connected successively by pipeline, and delivery outlet C is to vertical cylinder;
Figure 10 is the pneumatic part schematic diagram that three samples are tested simultaneously:
Total separating switch 2-15 connects source of the gas.
All establish 1~5 outlet by the first gas tank, the second gas tank, the 3rd gas tank, be divided into respectively 2~5 output loops.
Fig. 2 is the structure principle chart that three samples of the present invention are tested simultaneously:
The first separating switch 2-4 comprises 2-4a, 2-4b, 2-4c; Delivery outlet B comprises B1, B2, B3.
The second separating switch 2-8 comprises 2-8a, 2-8b, 2-8c; The second solenoid valve 2-9 comprises 2-9a, 2-9b, 2-9c, and delivery outlet A comprises A1, A2, A3.
The 3rd separating switch 2-13 comprises 2-13a, 2-13b, 2-13c, and the 3rd solenoid valve 2-14 comprises 2-14a, 2-14b, 2-14c, and delivery outlet C comprises C1, C2, C3.
Rain glass adopts master gauge (more than 0.3 grade).
Principle of work: the present invention designs three source of the gas loops altogether, an air feed that is used for the test exemplar, and a driving that is used for oscillating cylinder, one is used for vertically adding the driving of carrier gas cylinder.
External air source is input to testing table by the total separating switch 2-15 of gas circuit:
1, the test exemplar supplies air circuit: for the test exemplar provides input air pressure.Pressurized air enters the first gas tank 2-1 through the first pressure adjusting pressuring valve 2-2, the first rain glass 2-3, again through the first separating switch 2-4, by delivery outlet B to testing exemplar, during the simulation real vehicle uses, hand control valve is connected operating mode with gas tank, the delivery outlet of each test exemplar connects a 1L gas tank, the spring brake chamber in the simulation real vehicle.
2, oscillating cylinder drives the loop: gas enters the second gas tank 2-5 through the second pressure adjusting pressuring valve 2-6, the second air pressure 2-7, through the second separating switch 2-8, the second solenoid valve 2-9 delivery outlet A to oscillating cylinder, the action that is oscillating cylinder by solenoid control loads.
3, vertical air cylinder driven loop: gas enters the 3rd gas tank 2-10 through the 3rd pressure adjusting pressuring valve 2-11, the 3rd rain glass 2-12, through the 3rd separating switch 2-13, the 3rd solenoid valve 2-14 delivery outlet C to vertical cylinder, the action that is vertical cylinder by solenoid control loads.
The present invention simulates the real vehicle applying working condition, is driven by the action of solenoid valve to automobile manual valve, and each loop adopts independent circuit to control and gas circuit is controlled.
Electric control system: formed by solenoid valve and electrical control cubicles.Solenoid valve be used for to be controlled the filling of gas circuit, exhaust, and electrical control cubicles satisfies following functions:
1, cut-out and connection general supply;
2, cut off and be communicated with the power supply of each solenoid valve;
3, control solenoid valve pulsed operation on request;
4, record separately the test number (TN) of each exemplar, and Protection Counter Functions is arranged.
5, each loop circuit there is fault alarm function.
6, the pulse signal of linear push dynamic air cylinder and oscillating cylinder is by following requirement setting:
Core of the present invention is to utilize two two-way cylinders to promote hand control valve, and a cylinder promotes the hand control valve handle and swings, and a cylinder promotes hand control valve and realizes extracting of handle and revert action, simulation real vehicle applying working condition.Therefore, every employing (is extracted handle, then handle is turned to certain angle by pneumatic control machinery loading simulation real vehicle driver action; when Parking or brake hard; turning handle is to certain angle, then handle is returned to lockup state), protection scope of the present invention all belonged to.
Claims (8)
1. automobile air brake hand control valve endurance test bed, comprise simulated action mechanical load part (1) and to the pneumatic part (2) of its driving, it is characterized in that: mechanical load part (1) comprises the bearing part, the sample fixed part, handle swing arm and swing arm driving part, it is characterized in that: seat part is divided and is comprised base plate (1-1), base plate (1-1) has the riser vertical with base plate (1-2) on one side, have vertically in the middle of riser (1-2) and open (1-2a), vertically open (1-2a) first half slider slideway (1-2b) is arranged, riser (1-2) side connects sample fixed block (1-10), swing arm driving partly comprises vertical driving and wobble drive, vertically driving cylinder (1-3) is arranged on base plate (1-1), be arranged in vertically the opening of riser (1-2) (1-2a), vertically drive the cylinder bar connection sliding block (1-4) of cylinder (1-3), slide block (1-4) is placed in described slideway (1-2b), handle swing arm (1-5) is positioned at riser (1-2) top, and handle swing arm (1-5) lower end two side arms strides across riser (1-2) upper end and slide block (1-4) is hinged by pivot pin (1-12), oscillating cylinder (1-6) bottom is hinged by lower hinged seat (1-7) and base plate (1-1) another side, and the cylinder bar of oscillating cylinder (1-6) is hinged with the upper hinged seat (1-9) of handle swing arm (1-5) upper end by yoke (1-8), there is handle pawl (1-5a) handle swing arm (1-5) upper end.
2. automobile air brake hand control valve endurance test bed according to claim 1, it is characterized in that: at riser (1-2) upper end side mounting limit support (1-11) relative with oscillating cylinder (1-6), limiting bracket (1-11) comprises bracket base (1-11a), be arranged on the pivot pin (1-11b) on bracket base (1-11a), be arranged on the ball bearing (1-11c) at pivot pin (1-11b) two ends, limiting bracket (1-11) is arranged on riser (1-2) upper end by the mounting hole (1-11d) on bracket base (1-11a), this side of the corresponding handle swing arms of two ball bearing (1-11c) (1-5) both sides.
3. automobile air brake hand control valve endurance test bed according to claim 1 and 2, is characterized in that: adjusting nut (1-13) and reset buffering pad (1-14) are arranged on the cylinder bar of linear drives cylinder (1-3) and oscillating cylinder (1-6).
4. automobile air brake hand control valve endurance test bed according to claim 1 and 2, it is characterized in that: the cylinder bar of oscillating cylinder (1-6) becomes 35~40 ° of angles with base plate (1-1).
5. automobile air brake hand control valve endurance test bed according to claim 1 and 2, it is characterized in that: the stroke up and down of linear drives cylinder (1-3) is 4~8mm.
6. automobile air brake hand control valve endurance test bed according to claim 1 and 2, is characterized in that: the range adjustment bolt (1-2c) of locating to install linear drives cylinder (1-3) at riser (1-2) the corresponding slide block in upper end (1-4).
7. automobile air brake hand control valve endurance test bed according to claim 1 and 2, it is characterized in that: pneumatic part comprises that source of the gas, test exemplar supply air circuit for air circuit, action drives, it is characterized in that: the test exemplar comprises for air circuit the first pressure adjusting pressuring valve, the first rain glass, the first gas tank, the first separating switch that is connected successively by pipeline, to testing exemplar; Action drives comprises that for air circuit oscillating cylinder drives loop and vertical air cylinder driven loop; Oscillating cylinder drives the loop and comprises the second pressure adjusting pressuring valve, the second rain glass, the second gas tank, the second separating switch, the second solenoid valve that is connected successively by pipeline, to oscillating cylinder; Vertically the air cylinder driven loop comprises the 3rd pressure adjusting pressuring valve, the 3rd rain glass, the 3rd gas tank, the 3rd separating switch, the 3rd solenoid valve that is connected successively by pipeline, to vertical cylinder.
8. automobile air brake hand control valve endurance test bed according to claim 7, is characterized in that: all establish 1~5 outlet by the first gas tank, the second gas tank, the 3rd gas tank, be divided into respectively 1~5 output loop.
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CN2013100100236A CN103091091A (en) | 2013-01-11 | 2013-01-11 | Durability test bed for automobile air brake manual control valve |
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CN2013100100236A CN103091091A (en) | 2013-01-11 | 2013-01-11 | Durability test bed for automobile air brake manual control valve |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103743561A (en) * | 2014-01-16 | 2014-04-23 | 山东省科学院海洋仪器仪表研究所 | Industrial control lever service life test device |
CN104989193A (en) * | 2015-07-21 | 2015-10-21 | 无锡忻润汽车安全***有限公司 | Final inspection machine for engine casing lock |
CN105241642A (en) * | 2015-09-16 | 2016-01-13 | 威伯科汽车控制***(中国)有限公司 | Hand brake valve actuating tool |
CN105510021A (en) * | 2016-01-21 | 2016-04-20 | 广西汽车集团有限公司 | Air brake valve detection table |
CN108375478A (en) * | 2018-03-19 | 2018-08-07 | 南阳理工学院 | Agricultural traction engine air brake valve and brake chamber multi-function test stand agent structure |
CN111707463A (en) * | 2020-06-29 | 2020-09-25 | 中车青岛四方车辆研究所有限公司 | Valve fatigue test equipment, circuit system and test method |
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CN203053687U (en) * | 2013-01-11 | 2013-07-10 | 东风汽车股份有限公司 | Durability test bed for automobile air brake manual control valve |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103743561A (en) * | 2014-01-16 | 2014-04-23 | 山东省科学院海洋仪器仪表研究所 | Industrial control lever service life test device |
CN103743561B (en) * | 2014-01-16 | 2016-01-13 | 山东省科学院海洋仪器仪表研究所 | Industrial control lever service life test device |
CN104989193A (en) * | 2015-07-21 | 2015-10-21 | 无锡忻润汽车安全***有限公司 | Final inspection machine for engine casing lock |
CN105241642A (en) * | 2015-09-16 | 2016-01-13 | 威伯科汽车控制***(中国)有限公司 | Hand brake valve actuating tool |
CN105241642B (en) * | 2015-09-16 | 2018-11-23 | 威伯科汽车控制***(中国)有限公司 | A kind of hand brake valve actuates tooling |
CN105510021A (en) * | 2016-01-21 | 2016-04-20 | 广西汽车集团有限公司 | Air brake valve detection table |
CN108375478A (en) * | 2018-03-19 | 2018-08-07 | 南阳理工学院 | Agricultural traction engine air brake valve and brake chamber multi-function test stand agent structure |
CN111707463A (en) * | 2020-06-29 | 2020-09-25 | 中车青岛四方车辆研究所有限公司 | Valve fatigue test equipment, circuit system and test method |
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Application publication date: 20130508 |