CN102829985A - Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart - Google Patents
Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart Download PDFInfo
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- CN102829985A CN102829985A CN2012103002298A CN201210300229A CN102829985A CN 102829985 A CN102829985 A CN 102829985A CN 2012103002298 A CN2012103002298 A CN 2012103002298A CN 201210300229 A CN201210300229 A CN 201210300229A CN 102829985 A CN102829985 A CN 102829985A
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 12
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- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000004088 simulation Methods 0.000 claims description 49
- 230000002787 reinforcement Effects 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 18
- 238000010998 test method Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000002153 concerted effect Effects 0.000 claims description 7
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- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
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- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
Disclosed are a fatigue testing device and a fatigue testing method for a traction connecting rod system of a single-rail cart. The fatigue testing method for the traction connecting rod system of the single-rail cart includes disposing the traction connecting rod system on a simulated cart body and a bogie system and mounting the same on a testing platform horizontally integrally, jointly loading on the traction connecting rod system from the vertical and lateral (horizontal) direction via a loading oil cylinder and a testing tooling, fixing ball hinges at the upper ends of four traction rods of the traction connecting rod system on a carrying platform of the simulated cart body via bolts to form a double-torsion rod mechanism with internal force of four connecting rods balanced, and mounting a hinge device at a position deviated from the center of the carrying platform by a certain distance, wherein the hinge device penetrates through four guide seats in a parallel manner and is connected with a vertical loading oil cylinder through a loading crossbeam, and the vertical loading oil cylinder applies traction force on the upper group and the lower group of traction rods in an eccentric loading manner, so that deviation angle generated makes runout actions around a rotary shaft via the hinge device, runout loading is eliminated, and accordingly, vertical loading on the traction connecting rod system is realized.
Description
Technical field
The present invention relates to a kind of test unit and test method of railway parts; Refer in particular to the automobile-used traction link of a kind of monorail system's fatigue experimental device and test method; This device and test method are that monorail car traction link system and related system parts carry out torture test test battery device and test method are provided, and belong to experimental technique scheme, experimental assembly field.
Background technology
The traction link system is traction and a damping means important in the monorail car bogie; It is a kind of system unit of forming by hardware and rubber elastic element; Mainly form by towbar, torsion shaft, mount pad, toggle, traction link, hydraulic spring; Major function is centrifugal force and the beat displacement that is produced when transmitting the tractive force of the relative bogie of monorail car car body and relaxing vehicle through curve; Have good damping result, advantage such as easy to maintenance, therefore, in monorail car bogie system, obtained widespread use.Reliability and permanance for checking traction link system; Product all must be simulated the torture test of actual condition before entrucking; Because product structure is special, the actual bearer operating mode is complicated, and it is carried out the technical barrier that system's torture test has become this technical field.
How to design a cover reasonable test methods and device it is carried out torture test; Will be all significant to research and development, the test of monorail car traction link system and homogeneous system parts; Successful implementation of the present invention; Solved the technical barrier that monorail car traction link system can't carry out torture test,, filled up the blank of domestic and international this technical field for the traction link system carries out vertically, level, beat 3 provide test battery method and device to loading fatigue test.
In patent database, retrieve, do not retrieve monorail car traction link system relevant technical scheme and device, also do not have similar techniques scheme, device and paper.
Summary of the invention
The objective of the invention is to requirement to monorail car traction link system and the torture test of related system parts; Provide a kind of 3 to loading fatigue test device and test method; This test unit and test method can be simulated traction link system actual condition, and it is carried out 3 to loading fatigue test.
Technology implementation scheme according to the object of the invention proposed is: the automobile-used traction link of a kind of monorail system fatigue experimental device; Comprise traction link system, simulation bogie system, simulation body system and guiding support system; The traction link system places simulation body system and simulation bogie system; Wherein the lower end of traction link system is installed in the simulation bogie system; Two groups of small end ball pivots up and down through the traction link system link with the simulation body system, and the traction link system connects in aggregates in horizontal direction with the simulation body system respectively from right ends simultaneously; On the simulation body system, be provided with a vertical load cylinder, vertical load cylinder applies vertical tractive force to two groups of connecting rods about the traction link system respectively from level; In simulation bogie system, be provided with horizontal load cylinder simultaneously, cross cylinder applies horizontal load and beat displacement through toggle to the traction link system, thereby realizes traction link mechanism is carried out the three-dimensional loading fatigue test.
Further; Described simulation bogie system comprises horizontal charger, counter-force base device, 3 parts of toggle; Described horizontal charger is that toggle provides horizontal load and beat displacement; Afterbody at cross cylinder is provided with hinge means, and front end is provided with the conversion coupling arrangement, and the camber line displacement that cross cylinder is produced during to the toggle imposed load is changed through hinge means; Described counter-force base device is " △ " structure; Be equipped with reinforcement at counter-force seat upper and lower support plate and counter-force seat bottom; Both sides are designed with the limit protection reaction frame, and the back up pad front end is equipped with roller bearing and has been provided with back-up ring and position-limiting drum, prevent bearing slippage up and down; The counter-force base device is installed through bearing and toggle rotation axis, resists vertical tractive force and guarantees that simultaneously linkage assembly is that fulcrum is done the beat motion around bearing; Described toggle is the horizontal load conversion equipment, and the mount pad of traction link mechanism is fixed on the installing plate of toggle, and the center of installing plate is welded suspension arm and swing arm respectively through reinforcement; Described suspension arm is " protruding " type structure and is installed in the rotation positioning device through rotation axis; Described swing arm two ends are processed with through hole; The upper end through hole is installed in the rotation positioning device through rotation axis and suspension arm in the lump, and the lower end through hole is connected with connecting rod through rotational pin; Up and down symmetric position is passed installing plate and is connected with horizontal charger through rotational pin, connecting rod in parallel from the centre; When cross cylinder output horizontal linear load, the traction link system is applied year a horizontal load and a beat displacement, realize the level and the beat of traction link mechanism are loaded through toggle.
Further, described simulation body system comprises vertical charger, rotation and guide piece, weighted platform device; To traction link system imposed load, place with the mode of level by load cylinder from vertical center for described vertical charger, can reduce the load that frock deadweight produces and influence test accuracy; Described rotation and guide piece are installed between vertical charger and the weighted platform device, with the mode of the two guiding of parallel connection oil cylinder are exported loading transfer to the weighted platform device, and the weighted platform device can rotate the moving axis rotation to eliminate eccentric load simultaneously.Described weighted platform device be by square steel with dull and stereotyped processing and the framed structure carrying platform; The design of the stress point of weighted platform device is apart from the center; Through eccentric load mode oil cylinder output is made a concerted effort to impose on two groups of towbars up and down respectively with 4:1, realize vertical loading the traction link system.
Further; Described horizontal charger is made up of cross cylinder counter-force seat, cross cylinder afterbody hinge, cross cylinder, conversion coupling arrangement; Described counter-force base device is made up of counter-force seat supports plate, counter-force seat base plate one, counter-force seat base plate two, counter-force seat reinforcement one, counter-force seat reinforcement two, roller bearing, hexagon socket head cap screw, end casing, and described toggle is made up of installing plate, suspension arm, swing arm, rotational pin, connecting rod, deflection device reinforcement one, deflection device reinforcement two, rotation axis, position-limiting drum one, position-limiting drum two, rotation positioning device.
Further; Described vertical charger is made up of vertical oil cylinder counter-force seat, vertical oil cylinder; Described rotation and guide piece are made up of loading crossbeam, guide holder base plate, guide holder base plate, guide holder end casing, guiding copper sheathing, hinge through bar, hinge axis bearing, plain radial bearing, hinge through axle, hinged end cover plate, hinge position-limiting drum, and described weighted platform device is made up of weighted platform fixed head one, square steel one, square steel two, weighted platform fixed head two, block one, back-up block, thru-bolt, lateral support seat.
Further, described guiding support system is made up of guiding crossbeam, hex bolts, back up pad, reinforcement, bed hedgehopping piece, fixed base plate.Wherein supporting seat is installed in simulation bogie system suspension arm two ends respectively; Come two groups of towbars up and down of supporting traction push and pull system through the guiding crossbeam; Prevent that towbar from sinking because of deadweight, guarantee that simultaneously towbar swings along guiding crossbeam slipping plane, to satisfy the compound loading testing requirements.
A kind of described test method of monorail car traction link system's torture test of utilizing said apparatus; The traction link system is positioned in a simulation car body and the bogie system; Be installed on the test platform in a horizontal manner as a whole; With side direction (level) it is carried out combined type and load from vertical respectively through load cylinder and test frock, wherein the upper end ball pivot of 4 towbars of traction link system is through being bolted on the carrying platform of simulating the car body device, with the two torsion bar mechanism of its formation one or four connecting rod internal force balances; Departing from certain distance position, carrying platform center installation hinge means; Hinge means passes 4 guide holders in parallel and connects with vertical load cylinder through loading crossbeam, and oil cylinder applies tractive force to two groups of towbars up and down through hinge means respectively with eccentric load mode, and therefore the deflection angle of generation is done beat and moved through the hinge means moving axis that rotates; Eliminate beat load, thereby realize the traction link system is vertically loaded.
Further; Described traction link system mount pad is fixed on the installing plate of simulation bogie system through set bolt; Installing plate constitutes toggle through suspension arm, swing arm, rotation axis, connecting rod, rotational pin; Cross cylinder applies the traction link system through toggle and carries horizontal load and beat displacement, realizes the level and the beat of traction link mechanism are loaded.
Further, described oil cylinder through hinge means with eccentric load mode respectively to two groups of towbars up and down apply tractive force vertically make a concerted effort be that mode with 4:1 imposes on two groups of towbars up and down respectively.
One of technical characterictic of the present invention and innovation are that design 1 vertical load cylinder and 1 horizontal load cylinder make up loading in a horizontal manner; Real simulation the actual bearer operating mode of traction link system, improved test accuracy thereby eliminated the load that the frock deadweight produces simultaneously;
Two of technical characterictic of the present invention and innovation is that vertical the loading is designed to eccentric load mode; The mode of vertically making a concerted effort with 4:1 is imposed on two groups of towbars up and down respectively; Supporting seat is installed in the carrying platform both sides simultaneously,, is adopted the mode of 2 groups of two guiding of parallel connection at carrying platform loading end design wheelwork; Guarantee the stability of eccentric load mode, satisfied the requirement of test simultaneously;
Three of technical characterictic of the present invention and innovation is that cross cylinder applies year a horizontal load and a beat displacement through toggle to the traction link system, realizes the beat loading to the level of traction link mechanism.
Description of drawings
Fig. 1 is the structural representation front view of one embodiment of the invention;
Fig. 2 is the structural representation vertical view of one embodiment of the invention;
Fig. 3 is the structural representation left view of one embodiment of the invention;
Fig. 4 is the simulation bogie system front view of one embodiment of the invention;
Fig. 5 is the simulation bogie system vertical view of one embodiment of the invention;
Fig. 6 is the simulation bogie system left view of one embodiment of the invention;
Fig. 7 is the template body system front view of one embodiment of the invention;
Fig. 8 is the template body system vertical view of one embodiment of the invention;
Fig. 9 is the template body system left view of one embodiment of the invention;
Figure 10 is the guiding support system front view of one embodiment of the invention;
Figure 11 is the guiding support system vertical view of one embodiment of the invention;
Figure 12 is the guiding support system left view of one embodiment of the invention.
Embodiment
Accompanying drawing has provided one embodiment of the invention, will engage accompanying drawing below the present invention is done further description.
The automobile-used traction link of a kind of monorail system fatigue test method, described test method is:
The traction link system is positioned in a simulation car body and the bogie system; Be installed on the test platform in a horizontal manner as a whole; From vertical and side direction (level) it being carried out combined type through load cylinder respectively with the test frock loads; Wherein the upper end ball pivot of 4 towbars of traction link system is through on the carrying platform that is bolted to simulation car body device; With the two torsion bar mechanism of its formation one or four connecting rod internal force balances, locate to install hinge means departing from H position, carrying platform center (150-190mm), hinge means passes 4 guide holders in parallel and connects with vertical load cylinder through loading crossbeam; Oil cylinder applies the tractive force of 4:1 respectively to two groups of towbars up and down with eccentric load mode through hinge means; Therefore the deflection angle that produces is done the beat motion through the hinge means moving axis that rotates, and eliminates beat load, thereby realizes the traction link system is vertically loaded.Wherein traction link system mount pad is fixed on the installing plate of simulation bogie system through set bolt; Installing plate is formed toggle through suspension arm, swing arm, rotation axis, connecting rod, rotational pin; Cross cylinder applies the traction link system through toggle and carries horizontal load and beat displacement, realizes the level and the beat of traction link mechanism are loaded.
A kind of monorail car traction link system fatigue experimental device was shown in accompanying drawing 1-3 according to said method proposes; Comprise traction link system 1, simulation bogie system 2, simulation body system 3 and guiding support system 4; Traction link system 1 places simulation body system 3 and simulation bogie system 2; Wherein the lower end of traction link system 1 is installed in the simulation bogie system 2; Two groups of small end ball pivots 7 up and down through traction link system 1 and 6 and simulation body system 3 link; Traction link system 1 is provided with a vertical load cylinder 11 respectively from right ends, simultaneously connects in aggregatesly with simulation body system 3 in horizontal direction simulating on the body system 3, vertically load cylinder 11 from level respectively to the traction link system about in the of 1 two groups of connecting rods 8 and 9 apply the vertical tractive force of 4:1.In simulation bogie system 2, be provided with horizontal load cylinder 10 simultaneously, cross cylinder 10 applies through 12 pairs of traction link systems 1 of toggle and carries horizontal load and beat displacement, thereby realizes traction link mechanism is carried out the three-dimensional loading fatigue test.Described simulation bogie system 2, simulation body system 3 and guiding support system 4 all are installed on the test platform 5
Described simulation bogie system is made up of horizontal charger, counter-force base device, toggle 3 parts; Described horizontal charger is shown in accompanying drawing 4-6; Form by cross cylinder counter-force seat 1-1, cross cylinder afterbody hinge 1-2, cross cylinder 1-3, conversion coupling arrangement 1-4; Described knock back device is made up of counter-force seat supports plate 1-5, counter-force seat base plate one 1-6, counter-force seat base plate two 1-7, counter-force seat reinforcement one 1-8, counter-force seat reinforcement two 1-9, roller bearing 1-10, hexagon socket head cap screw M10 1-11, end casing 1-12, and described toggle is made up of installing plate 1-13, suspension arm 1-14, swing arm 1-15, rotational pin 1-16, connecting rod 1-17, deflection device reinforcement one 1-18, deflection device reinforcement two 1-19, rotation axis 1-20, position-limiting drum one 1-21, position-limiting drum two 1-22, rotation positioning device 1-23.Described horizontal charger is mainly toggle horizontal load and beat displacement is provided; It is characterized in that afterbody design of hinges device at cross cylinder; Front-end Design the conversion coupling arrangement, the camber line displacement that cross cylinder is produced during to the toggle imposed load is changed through hinge means.Described counter-force base device is " △ " structure; It is characterized in that all being designed with reinforcement at counter-force seat upper and lower support plate and counter-force seat bottom; Both sides are designed with the limit protection reaction frame, and the back up pad front end is equipped with roller bearing and is designed with back-up ring and position-limiting drum, prevent bearing slippage up and down; The counter-force base device is installed through bearing and toggle rotation axis, resists vertical tractive force and guarantees that simultaneously linkage assembly is that fulcrum is done the beat motion around bearing.Described toggle is the horizontal load conversion equipment; The mount pad that it is characterized in that traction link mechanism is fixed on the installing plate of toggle; The center of installing plate is welded suspension arm and swing arm respectively through reinforcement; Described suspension arm is " protruding " type structure and is installed in the rotation positioning device through rotation axis; Described swing arm two ends are processed with φ 90 through holes, and the upper end through hole is installed in the rotation positioning device through rotation axis and suspension arm in the lump, and the lower end through hole is connected with connecting rod through rotational pin.Up and down symmetric position is passed installing plate and is connected with horizontal charger through rotational pin, connecting rod in parallel from the centre; When cross cylinder output horizontal linear load, the traction link system is applied year a horizontal load and a beat displacement, realize the level and the beat of traction link mechanism are loaded through toggle.
Described simulation body system is made up of vertical charger, rotation and guide piece, weighted platform device; Described vertical charger is shown in accompanying drawing 7-; Form by vertical oil cylinder counter-force seat 2-1, vertical oil cylinder 2-2; Described rotation and guide piece are made up of loading crossbeam 2-3, guide holder base plate 2-4, guide holder base plate 2-5, guide holder end casing 2-6, guiding copper sheathing 2-7, hinge through bar 2-8, hinge axis bearing 2-9, plain radial bearing 2-10, hinge through axle 2-11, hinged end cover plate 2-12, hinge position-limiting drum 2-13, and described weighted platform device is made up of weighted platform fixed head one 2-14, square steel one 2-15, square steel two 2-16, weighted platform fixed head two 2-17, block one 2-18, back-up block 2-19, M16 thru-bolt 2-20, lateral support seat 2-21.Described vertical charger to traction link system imposed load, is characterized in that load cylinder places with the mode of level from vertical center, can reduce the load that the frock deadweight produces and influences test accuracy.Described rotation and guide piece are installed between vertical charger and the weighted platform device, with the mode of the two guiding of parallel connection oil cylinder are exported loading transfer to the weighted platform device, and the weighted platform device can rotate the moving axis rotation to eliminate eccentric load simultaneously.Described weighted platform device be by square steel with dull and stereotyped processing and the framed structure carrying platform; The stress point design that it is characterized in that the weighted platform device is in 175 positions apart from the center; Through eccentric load mode oil cylinder output is made a concerted effort to impose on two groups of towbars up and down respectively with 4:1, realize vertical loading the traction link system.
Described guiding support system is made up of guiding crossbeam 3-1, hexagon socket head cap screw 3-2, back up pad 3-3, reinforcement 3-4, bed hedgehopping piece 3-5, fixed base plate 3-6 shown in accompanying drawing 3.Wherein supporting seat is installed in simulation bogie system suspension arm two ends respectively; Come two groups of towbars up and down of supporting traction push and pull system through the guiding crossbeam; Prevent that towbar from sinking because of deadweight, guarantee that simultaneously towbar swings along guiding crossbeam slipping plane, to satisfy the compound loading testing requirements.
One of technical characterictic of the present invention and innovation are that design 1 vertical load cylinder and 1 horizontal load cylinder make up loading in a horizontal manner; Real simulation the actual bearer operating mode of traction link system, improved test accuracy thereby eliminated the load that the frock deadweight produces simultaneously;
Two of technical characterictic of the present invention and innovation is that vertical the loading is designed to eccentric load mode; The mode of vertically making a concerted effort with 4:1 is imposed on two groups of towbars up and down respectively; Supporting seat is installed in the carrying platform both sides simultaneously,, is adopted the mode of 2 groups of two guiding of parallel connection at carrying platform loading end design wheelwork; Guarantee the stability of eccentric load mode, satisfied the requirement of test simultaneously;
Three of technical characterictic of the present invention and innovation is that cross cylinder applies year a horizontal load and a beat displacement through toggle to the traction link system, realizes the beat loading to the level of traction link mechanism.
Claims (9)
1. the automobile-used traction link of monorail system fatigue experimental device; It is characterized in that: comprise traction link system, simulation bogie system, simulation body system and guiding support system; The traction link system places simulation body system and bogie system; Wherein the lower end of traction link system is installed in the simulation bogie system; Two groups of small end ball pivots up and down through the traction link system link with the simulation body system; The traction link system connects in aggregates respectively with the simulation body system in horizontal direction from right ends, while, on the simulation body system, be provided with a vertical load cylinder, and vertical load cylinder applies vertical tractive force to two groups of connecting rods about the traction link system respectively from level; In simulation bogie system, be provided with horizontal load cylinder simultaneously, cross cylinder applies horizontal load and beat displacement through toggle to the traction link system, thereby realizes traction link mechanism is carried out the three-dimensional loading fatigue test.
2. a kind of monorail car traction link as claimed in claim 1 system fatigue experimental device; It is characterized in that: described simulation bogie system comprises horizontal charger, counter-force base device, 3 parts of toggle; Described horizontal charger is that toggle provides horizontal load and beat displacement; Afterbody at cross cylinder is provided with hinge means; Front end is provided with the conversion coupling arrangement, and the camber line displacement that cross cylinder is produced during to the toggle imposed load is changed through hinge means; Described counter-force base device is " △ " structure; Be equipped with reinforcement at counter-force seat upper and lower support plate and counter-force seat bottom; Both sides are designed with the limit protection reaction frame, and the back up pad front end is equipped with roller bearing and has been provided with back-up ring and position-limiting drum, prevent bearing slippage up and down; The counter-force base device is installed through bearing and toggle rotation axis, resists vertical tractive force and guarantees that simultaneously linkage assembly is that fulcrum is done the beat motion around bearing; Described toggle is the horizontal load conversion equipment; The mount pad of traction link mechanism is fixed on the installing plate of toggle; The center of installing plate is welded suspension arm and swing arm respectively through reinforcement, and described suspension arm is " protruding " type structure and is installed in the rotation positioning device through rotation axis, and described swing arm two ends are processed with through hole; The upper end through hole is installed in the rotation positioning device through rotation axis and suspension arm in the lump, and the lower end through hole is connected with connecting rod through rotational pin; Up and down symmetric position is passed installing plate and is connected with horizontal charger through rotational pin, connecting rod in parallel from the centre; When cross cylinder output horizontal linear load, the traction link system is applied year a horizontal load and a beat displacement, realize the level and the beat of traction link mechanism are loaded through toggle.
3. a kind of monorail car traction link as claimed in claim 1 system fatigue experimental device, it is characterized in that: described simulation body system comprises vertical charger, rotation and guide piece, weighted platform device; To traction link system imposed load, place with the mode of level by load cylinder from vertical center for described vertical charger, can reduce the load that frock deadweight produces and influence test accuracy;
Described rotation and guide piece are installed between vertical charger and the weighted platform device, with the mode of the two guiding of parallel connection oil cylinder are exported loading transfer to the weighted platform device, and the weighted platform device can rotate the moving axis rotation to eliminate eccentric load simultaneously;
Described weighted platform device be by square steel with dull and stereotyped processing and the framed structure carrying platform; The design of the stress point of weighted platform device is apart from the center; Through eccentric load mode oil cylinder output is made a concerted effort to impose on two groups of towbars up and down respectively with 4:1, realize vertical loading the traction link system.
4. a kind of monorail car traction link as claimed in claim 1 system fatigue experimental device; It is characterized in that: described horizontal charger is made up of cross cylinder counter-force seat, cross cylinder afterbody hinge, cross cylinder, conversion coupling arrangement; Described counter-force base device is made up of counter-force seat supports plate, counter-force seat base plate one, counter-force seat base plate two, counter-force seat reinforcement one, counter-force seat reinforcement two, roller bearing, hexagon socket head cap screw, end casing, and described toggle is made up of installing plate, suspension arm, swing arm, rotational pin, connecting rod, deflection device reinforcement one, deflection device reinforcement two, rotation axis, position-limiting drum one, position-limiting drum two, rotation positioning device.
5. a kind of monorail car traction link as claimed in claim 1 system fatigue experimental device; It is characterized in that: described vertical charger is made up of vertical oil cylinder counter-force seat, vertical oil cylinder; Described rotation and guide piece are made up of loading crossbeam, guide holder base plate, guide holder base plate, guide holder end casing, guiding copper sheathing, hinge through bar, hinge axis bearing, plain radial bearing, hinge through axle, hinged end cover plate, hinge position-limiting drum, and described weighted platform device is made up of weighted platform fixed head one, square steel one, square steel two, weighted platform fixed head two, block one, back-up block, thru-bolt, lateral support seat.
6. a kind of monorail car traction link as claimed in claim 1 system fatigue experimental device, it is characterized in that: described guiding support system is made up of guiding crossbeam, hex bolts, back up pad, reinforcement, bed hedgehopping piece, fixed base plate;
Wherein supporting seat is installed in simulation bogie system suspension arm two ends respectively; Come two groups of towbars up and down of supporting traction push and pull system through the guiding crossbeam; Prevent that towbar from sinking because of deadweight, guarantee that simultaneously towbar swings along guiding crossbeam slipping plane, to satisfy the compound loading testing requirements.
7. torsion bar system three-dimensional harmony loading test method of utilizing the described a kind of monorail car traction link of claim 1 system fatigue experimental device; It is characterized in that: the traction link system is positioned in a simulation car body and the bogie system; Be installed on the test platform in a horizontal manner as a whole; From vertical and side direction it being carried out combined type through load cylinder respectively with the test frock loads; Wherein the upper end ball pivot of 4 towbars of traction link system is through on the carrying platform that is bolted to simulation car body device; With the two torsion bar mechanism of its formation one or four connecting rod internal force balances, hinge means is installed departing from certain distance position, carrying platform center, hinge means passes 4 guide holders in parallel and connects with vertical load cylinder through loading crossbeam; Oil cylinder applies tractive force to two groups of towbars up and down through hinge means respectively with eccentric load mode; Therefore the deflection angle that produces is done the beat motion through the hinge means moving axis that rotates, and eliminates beat load, thereby realizes the traction link system is vertically loaded.
8. torsion bar as claimed in claim 7 system three-dimensional harmony loading test method; It is characterized in that: described traction link system mount pad is fixed on the installing plate of simulation bogie system through set bolt; Installing plate constitutes toggle through suspension arm, swing arm, rotation axis, connecting rod, rotational pin; Cross cylinder applies the traction link system through toggle and carries horizontal load and beat displacement, realizes the level and the beat of traction link mechanism are loaded.
9. torsion bar as claimed in claim 7 system three-dimensional harmony loading test method is characterized in that: described oil cylinder through hinge means with eccentric load mode respectively to two groups of towbars up and down apply tractive force vertically make a concerted effort be that mode with 4:1 imposes on two groups of towbars up and down respectively.
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| CN201210300229.8A CN102829985B (en) | 2012-08-22 | 2012-08-22 | Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart |
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| CN201210300229.8A CN102829985B (en) | 2012-08-22 | 2012-08-22 | Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart |
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| CN108692951A (en) * | 2017-04-12 | 2018-10-23 | 襄阳达安汽车检测中心 | A kind of light-duty vehicle draft gear strength test device |
| CN110836765A (en) * | 2019-10-25 | 2020-02-25 | 安徽合力股份有限公司 | Test device for fatigue strength of forklift frame |
| CN113865837A (en) * | 2020-06-12 | 2021-12-31 | 广州汽车集团股份有限公司 | Trailer traction testing device |
| CN114354217A (en) * | 2021-12-31 | 2022-04-15 | 伊卡路斯(苏州)车辆系统有限公司 | Hinged disk comprehensive test board and test method |
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| CN103411772A (en) * | 2013-06-06 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Fatigue test device applied to starlike main connecting rod |
| CN103698137A (en) * | 2013-11-28 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Loading testing device used in vehicle body traction device |
| CN103698121A (en) * | 2014-01-06 | 2014-04-02 | 株洲时代新材料科技股份有限公司 | Rail car traction pull rod combined load test method and device |
| CN103698121B (en) * | 2014-01-06 | 2015-11-04 | 株洲时代新材料科技股份有限公司 | A kind of rail vehicle drawing pull bar combination load test method and device |
| CN105157998A (en) * | 2015-06-04 | 2015-12-16 | 株洲时代新材料科技股份有限公司 | Torsion bar assembly interference fit inspection tool and inspection method |
| CN105157998B (en) * | 2015-06-04 | 2017-06-30 | 株洲时代新材料科技股份有限公司 | Torsion bar component interference fit checks frock and the method for inspection |
| CN105157964A (en) * | 2015-07-06 | 2015-12-16 | 上海大学 | Fatigue test device for orthopaedic implant apparatuses |
| CN108692951A (en) * | 2017-04-12 | 2018-10-23 | 襄阳达安汽车检测中心 | A kind of light-duty vehicle draft gear strength test device |
| CN108692951B (en) * | 2017-04-12 | 2024-04-12 | 襄阳达安汽车检测中心 | Light automobile traction device strength test device |
| CN108132144A (en) * | 2017-12-31 | 2018-06-08 | 山东德方液压机械股份有限公司 | A kind of draft gear testing machine and test method |
| CN110836765A (en) * | 2019-10-25 | 2020-02-25 | 安徽合力股份有限公司 | Test device for fatigue strength of forklift frame |
| CN110836765B (en) * | 2019-10-25 | 2024-05-31 | 安徽合力股份有限公司 | Test device for fatigue strength of forklift frame |
| CN113865837A (en) * | 2020-06-12 | 2021-12-31 | 广州汽车集团股份有限公司 | Trailer traction testing device |
| CN113865837B (en) * | 2020-06-12 | 2023-11-03 | 广州汽车集团股份有限公司 | Trailer traction testing device |
| CN114354217A (en) * | 2021-12-31 | 2022-04-15 | 伊卡路斯(苏州)车辆系统有限公司 | Hinged disk comprehensive test board and test method |
| CN114354217B (en) * | 2021-12-31 | 2024-05-24 | 伊卡路斯(苏州)车辆系统有限公司 | Comprehensive test board and test method for hinge plate |
| CN114942148A (en) * | 2022-04-11 | 2022-08-26 | 中国第一汽车股份有限公司 | General test bench for motor home traction device and test method |
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