CN108680346A - A kind of continuity reciprocator fatigue test rig - Google Patents
A kind of continuity reciprocator fatigue test rig Download PDFInfo
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- CN108680346A CN108680346A CN201810455516.3A CN201810455516A CN108680346A CN 108680346 A CN108680346 A CN 108680346A CN 201810455516 A CN201810455516 A CN 201810455516A CN 108680346 A CN108680346 A CN 108680346A
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- hydraulic cylinder
- double end
- double
- tested device
- resistance scale
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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
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of continuity reciprocator fatigue test rig, it is electrodeless adjustable to may be implemented reciprocating motion stress and the power of the simulator under real working condition, and can accurately measure times of exercise and motion process stress.This continuity reciprocator fatigue test rig is mainly by tested device mounting seat, parts fix proximate matter, tested device, tested device and pressure sensor flexible connecting member, pressure sensor, pressure sensor go out hydraulic cylinder flexible connecting member with double end pair, double end pair goes out hydraulic cylinder mounting base, double end pair goes out hydraulic cylinder, and double end pair goes out hydraulic cylinder and resistance scale flexible connecting member, resistance scale mounting seat, resistance scale, panel, right connecting tube, right throttle valve, fuel tank, hydraulic oil, left throttle valve, left connecting tube composition.By double end it is double go out hydraulic cylinder aspirate the resistance that the hydraulic oil in fuel tank generates and replace the load force in tested device motion process, can adjust the size of the power by adjusting two throttle valves in left and right.
Description
Technical field
The present invention relates to the fatigue test system of device, the device moved back and forth especially for high speed continuity.
Background technology
One of the main reason for fatigue rupture is machine components and mechanical device failure.According to statistics, it fails in mechanical device
In about 80% or more belong to fatigue rupture, and without apparent abnormal before fatigue rupture, so fatigue rupture is often sent out
Life in a flash, is be easy to causeing larger accident.Current existing continuity reciprocator fatigue test rig load mode
It is to simulate stress using the method for suspension weight, this mode can not reciprocal fortune of the real simulation device under real working condition
Dynamic stress, and load weight adjustment is more troublesome, and it is inconvenient to use to carry out testing fatigue so that testing efficiency is relatively low.The present invention
True stress in comparable device practical work process simulates the testing fatigue that the loading process carries out device.
Invention content
The present invention is that design is a kind of in the experiment of reciprocator testing fatigue according to technical problems to be solved, simulation
Real working condition carries out the experimental bench of load force load, to realize the accuracy and high efficiency of testing fatigue.The device it is automatic
Change degree is high, and stable and reliable for performance, perfect in shape and function can effectively improve the accuracy of testing fatigue and the work of test job
Efficiency.
To achieve the above object, the solution for loading and adjusting hardly possible mainly for testing fatigue load force is as follows：Continuously
Property reciprocator motion mode be successional stretching motion, stretch out movement and retraction movement all stress effect.This
Invention using double end it is double go out hydraulic cylinder connect with tested device, and there are one double end pair goes out between hydraulic cylinder and tested device
Pressure sensor measures the size of load force in real time.Double end pair goes out hydraulic cylinder and does stretching motion together with tested device.Double end is double
Two inlets for going out hydraulic cylinder are connect by oil pipe and throttle valve with fuel tank, go out the negative of hydraulic cylinder generation using double end pair
Hydraulic oil in pressure suction fuel tank is formed by the movement stress that resistance carrys out simulator, can be adjusted by adjusting throttle valve
The size of the power, that is, load force.
Description of the drawings
Fig. 1 is overall structure figure of the present invention；
Fig. 2 is that double end of the present invention pair goes out hydraulic cylinder and fuel tank connection figure；
Fig. 3 is overall structure figure right view of the present invention；
Fig. 4 is overall structure figure front view of the present invention；
In figure：1, tested device mounting seat, 2, parts fix proximate matter, 3, tested device, 4, tested device and pressure
Sensor flexible connecting member, 5, pressure sensor, 6, pressure sensor and double end it is double go out hydraulic cylinder flexible connecting member, 7, double end it is double
Go out hydraulic cylinder mounting base, 8, double end it is double go out hydraulic cylinder, 9, double end it is double go out hydraulic cylinder and resistance scale flexible connecting member, 10, resistance
Ruler mounting seat, 11, resistance scale, 12, panel, 13, right connecting tube, 14, right throttle valve, 15, fuel tank, 16, hydraulic oil, 17, left
Throttle valve, 18, left connecting tube, 19, right fuel sucking pipe, 20, left fuel sucking pipe.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of continuity reciprocator fatigue test rig, including tested device mounting seat 1, zero
Part fixes proximate matter 2, tested device 3, tested device and pressure sensor flexible connecting member 4, pressure sensor 5, pressure sensor
With double end it is double go out hydraulic cylinder flexible connecting member 6, double end it is double go out hydraulic cylinder mounting base 7, double end it is double go out hydraulic cylinder 8, double end it is double go out
Hydraulic cylinder and resistance scale flexible connecting member 9, resistance scale mounting seat 10, resistance scale 11, panel 12, right connecting tube 13, right throttling
Valve 14, fuel tank 15, hydraulic oil 16, left throttle valve 17, left connecting tube 18, right fuel sucking pipe 19 and left fuel sucking pipe 20；
Tested device mounting seat 1, double end pair go out hydraulic cylinder mounting base 7 and the bottom of resistance scale mounting seat 10 passes through
Bolt is fixed on parts and fixes on proximate matter 2；Tested device 3 and double end pair go out hydraulic cylinder 8 and pressure sensor 5 all by tested
Device is connect with pressure sensor flexible connecting member 4；Double end it is double go out hydraulic cylinder 8 and resistance scale 11 by double end it is double go out hydraulic cylinder with
Resistance scale flexible connecting member 9 connects；17 one end of left throttle valve is connect with fuel tank 15, and the other end is double by left connecting tube 18 and double end
Go out the connection of hydraulic cylinder 8；14 one end of right throttle valve is connect with fuel tank 15, and the other end goes out hydraulic cylinder by right connecting tube 13 and double end pair
8 connections；Double end it is double go out between hydraulic cylinder 8 and resistance scale 11 by double end it is double go out hydraulic cylinder connect with resistance scale flexible connecting member 9；
Tested device 3 is mounted in tested device mounting seat 1；Double end pair goes out the double ends pair that hydraulic cylinder 8 is mounted on two opposite installations
Go out on hydraulic cylinder mounting base 7；Resistance scale 11 is fixed on by pressing plate and screw in resistance scale mounting seat 10；It is filled out in fuel tank 15
Filled with hydraulic oil 16；Left throttle valve 17 is connected to by left fuel sucking pipe 20 with fuel tank 15, right throttle valve 14 by right fuel sucking pipe 19 with
Fuel tank 15 is connected to；
Tested device mounting seat 1, parts fix proximate matter 2, tested device 3, tested device and pressure sensor flexibility
Connector 4, pressure sensor 5, pressure sensor and double end pair go out hydraulic cylinder flexible connecting member 6, double end pair and go out hydraulic cylinder installation
Pedestal 7, double end pair go out hydraulic cylinder 8, double end pair and go out hydraulic cylinder and resistance scale flexible connecting member 9, resistance scale mounting seat 10, resistance
Ruler 11, right connecting tube 13, right throttle valve 14, fuel tank 15, hydraulic oil 16, left throttle valve 17, left connecting tube 18,19 and of right fuel sucking pipe
Left fuel sucking pipe 20 is installed on panel 12.
Tested device 3, double end pair go out hydraulic cylinder 8, pressure sensor 5 and resistance scale 11 and are co-axially mounted；In the starting stage, quilt
It surveys 3 push rod of device and is in retracted state, double end pair goes out 8 piston of hydraulic cylinder and is in cylinder body left end, and resistance scale 11 is in stretching state；
When test starts, 3 push rod of tested device is released, and double end pair goes out 8 piston of hydraulic cylinder and moves to right from left end, and resistance scale 11 pushes away
Bar is withdrawn, and double end pair, which goes out, at this time is in vacuum state on the left of 8 piston of hydraulic cylinder, the hydraulic oil 16 in fuel tank 15 is passed through left throttling
Valve 17 and left connecting tube 18 are pumped into hydraulic cylinder；Double end pair, which goes out, simultaneously is in compressive state on the right side of 8 piston of hydraulic cylinder, double end is double
Go out the hydraulic oil on the right side of 8 piston of hydraulic cylinder to be pressed into fuel tank 15 by right connecting tube 13 and right throttle valve 14, and so on move
Hydraulic oil is aspirated from fuel tank；Left throttle valve 17 is adjusted in motion process and right throttle valve 14 changes the big of the load of tested device 3
Small, load is measured by pressure sensor 5, and stroke size is controlled by resistance scale 11.
Claims (2)
1. a kind of continuity reciprocator fatigue test rig, it is characterised in that：Including tested device mounting seat (1), zero
Component fix proximate matter (2), tested device (3), tested device and pressure sensor flexible connecting member (4), pressure sensor (5),
Pressure sensor and double end it is double go out hydraulic cylinder flexible connecting member (6), double end it is double go out hydraulic cylinder mounting base (7), double end it is double go out liquid
Cylinder pressure (8), double end pair go out hydraulic cylinder and resistance scale flexible connecting member (9), resistance scale mounting seat (10), resistance scale (11), face
Plate (12), right connecting tube (13), right throttle valve (14), fuel tank (15), hydraulic oil (16), left throttle valve (17), left connecting tube
(18), right fuel sucking pipe (19) and left fuel sucking pipe (20)；
Tested device mounting seat (1), double end pair go out hydraulic cylinder mounting base (7) and the bottom of resistance scale mounting seat (10) is logical
Bolt is crossed to be fixed on parts fixation proximate matter (2)；Tested device (3) and double end pair go out hydraulic cylinder (8) and pressure sensor (5)
All it is connect with pressure sensor flexible connecting member (4) by tested device；Double end pair goes out hydraulic cylinder (8) and passes through with resistance scale (11)
Double end pair goes out hydraulic cylinder and is connect with resistance scale flexible connecting member (9)；Left throttle valve (17) one end is connect with fuel tank (15), the other end
Go out hydraulic cylinder (8) with double end pair by left connecting tube (18) to connect；Right throttle valve (14) one end is connect with fuel tank (15), the other end
Go out hydraulic cylinder (8) with double end pair by right connecting tube (13) to connect；Double end is double to be gone out between hydraulic cylinder (8) and resistance scale (11) to pass through
Double end pair goes out hydraulic cylinder and is connect with resistance scale flexible connecting member (9)；Tested device (3) is mounted on tested device mounting seat (1)
On；Double end pair goes out hydraulic cylinder (8) and goes out on hydraulic cylinder mounting base (7) mounted on the double ends pair of two opposite installations；Resistance scale
(11) it is fixed in resistance scale mounting seat (10) by pressing plate and screw；Hydraulic oil (16) is filled in fuel tank (15)；Zuo Jie
Stream valve (17) is connected to by left fuel sucking pipe (20) with fuel tank (15), and right throttle valve (14) passes through right fuel sucking pipe (19) and fuel tank (15)
Connection；
Tested device mounting seat (1), parts fixation proximate matter (2), tested device (3), tested device and pressure sensor are soft
Property connector (4), pressure sensor (5), pressure sensor and double end it is double go out hydraulic cylinder flexible connecting member (6), double end it is double go out liquid
Cylinder pressure mounting seat (7), double end pair go out hydraulic cylinder (8), double end pair and go out hydraulic cylinder and resistance scale flexible connecting member (9), resistance scale
Mounting seat (10), resistance scale (11), right connecting tube (13), right throttle valve (14), fuel tank (15), hydraulic oil (16), left throttling
Valve (17), left connecting tube (18), right fuel sucking pipe (19) and left fuel sucking pipe (20) are installed on panel (12).
2. a kind of continuity reciprocator fatigue test rig of claim 1, it is characterised in that：Tested device (3), double end
It is double go out hydraulic cylinder (8), pressure sensor (5) and resistance scale (11) be co-axially mounted；In the starting stage, at tested device (3) push rod
In retracted state, double end pair goes out hydraulic cylinder (8) piston and is in cylinder body left end, and resistance scale (11) is in stretching state；Test starts
When, tested device (3) push rod is released, and double end pair goes out hydraulic cylinder (8) piston and moves to right from left end, the push rod of resistance scale (11)
It withdraws, double end pair, which goes out, at this time is in vacuum state on the left of hydraulic cylinder (8) piston, the hydraulic oil (16) in fuel tank (15) is passed through a left side
Throttle valve (17) and left connecting tube (18) are pumped into hydraulic cylinder；Double end pair goes out on the right side of hydraulic cylinder (8) piston in compression shape simultaneously
The hydraulic oil that double end pair goes out on the right side of hydraulic cylinder (8) piston is passed through right connecting tube (13) and right throttle valve (14) is pressed into fuel tank by state
(15) it in, and so on moves and aspirates hydraulic oil from fuel tank；Left throttle valve (17) and right throttle valve are adjusted in motion process
(14) change the size that tested device (3) loads, load is measured by pressure sensor (5), and stroke size passes through
Resistance scale (11) is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455516.3A CN108680346B (en) | 2018-05-14 | 2018-05-14 | Fatigue test bench for continuous reciprocating motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455516.3A CN108680346B (en) | 2018-05-14 | 2018-05-14 | Fatigue test bench for continuous reciprocating motion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108680346A true CN108680346A (en) | 2018-10-19 |
| CN108680346B CN108680346B (en) | 2020-02-07 |
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ID=63806429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810455516.3A Active CN108680346B (en) | 2018-05-14 | 2018-05-14 | Fatigue test bench for continuous reciprocating motion device |
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| Country | Link |
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| CN (1) | CN108680346B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848542A (en) * | 2018-12-24 | 2019-06-07 | 北京建筑大学 | Aluminum alloy bodywork friction rabbling welding prosthetic appliance and its control method |
Citations (6)
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| CN202241218U (en) * | 2011-09-08 | 2012-05-30 | 江阴市长龄机械制造有限公司 | Reciprocating motion working table |
| JP5024877B2 (en) * | 2007-11-05 | 2012-09-12 | トヨタ自動車株式会社 | Fatigue test linear actuator |
| CN103821690A (en) * | 2014-03-24 | 2014-05-28 | 龙科 | Hydraulic drive reciprocating duplex pump |
| CN103939421A (en) * | 2014-03-10 | 2014-07-23 | 北京工业大学 | Fatigue test method and device used for hydraulic cylinder |
| CN104677624A (en) * | 2015-03-19 | 2015-06-03 | 天津航天瑞莱科技有限公司苏州分公司 | Air pressure fatigue load test method and device for train window |
| CN107505202A (en) * | 2017-06-21 | 2017-12-22 | 柳州职业技术学院 | A kind of material fatigue testing machine tool loading device |
-
2018
- 2018-05-14 CN CN201810455516.3A patent/CN108680346B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5024877B2 (en) * | 2007-11-05 | 2012-09-12 | トヨタ自動車株式会社 | Fatigue test linear actuator |
| CN202241218U (en) * | 2011-09-08 | 2012-05-30 | 江阴市长龄机械制造有限公司 | Reciprocating motion working table |
| CN103939421A (en) * | 2014-03-10 | 2014-07-23 | 北京工业大学 | Fatigue test method and device used for hydraulic cylinder |
| CN103821690A (en) * | 2014-03-24 | 2014-05-28 | 龙科 | Hydraulic drive reciprocating duplex pump |
| CN104677624A (en) * | 2015-03-19 | 2015-06-03 | 天津航天瑞莱科技有限公司苏州分公司 | Air pressure fatigue load test method and device for train window |
| CN107505202A (en) * | 2017-06-21 | 2017-12-22 | 柳州职业技术学院 | A kind of material fatigue testing machine tool loading device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848542A (en) * | 2018-12-24 | 2019-06-07 | 北京建筑大学 | Aluminum alloy bodywork friction rabbling welding prosthetic appliance and its control method |
| CN109848542B (en) * | 2018-12-24 | 2021-03-30 | 北京建筑大学 | Aluminum alloy vehicle body friction stir welding repair equipment and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN108680346B (en) | 2020-02-07 |
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