CN103776609B - Integrated test system and technology for falling-object protective structure and roll-over protective structure - Google Patents
Integrated test system and technology for falling-object protective structure and roll-over protective structure Download PDFInfo
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- CN103776609B CN103776609B CN201410026356.2A CN201410026356A CN103776609B CN 103776609 B CN103776609 B CN 103776609B CN 201410026356 A CN201410026356 A CN 201410026356A CN 103776609 B CN103776609 B CN 103776609B
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Abstract
The invention discloses an integrated test system and technology for a falling-object protective structure and a roll-over protective structure. The integrated test system for the falling-object protective structure and the roll-over protective structure comprises an ROPS test system, an FOPS test system and a test piece clamping system, wherein the ROPS test system and the FOPS test system are arranged on the same horizontal plane and share a fixed type base workbench and the test piece clamping system. The FOPS test system is located on two parallel guide rails and can move back and forth along the parallel guide rails. According to the integrated test system for the falling-object protective structure and the roll-over protective structure, the ROPS test system and the FOPS test system are built on the same foundation and share a test piece multi-station clamping rotatable workbench and the fixed type base workbench, the FOPS test system moves to a test working position along the two traveling guide rails embedded in the foundation, and therefore an ROPS test and an FOPS test are integrated; in addition, the requirement for the ROPS performance test and the FOPS performance test of an engineering vehicle and a tractor is met.
Description
Technical field
The present invention relates to a kind of driver for tractor and engineering machinery and protect Falling object protective structure (FOPS) and Roll-Over Protective Structure (ROPS) integrated test system, especially one can meet driver simultaneously and protects Falling object protective structure (FOPS) and Roll-Over Protective Structure (ROPS) integrated test system.
Background technology
The testing equipment of the driver safety protective device of current domestic development is few in number; it is reported that Jilin University, national project mechanical quality Supervision Test Center, Luoyang tractor research institute have similar testing equipment and the corresponding performance study carrying out ROPS and FOPS; but these equipment are function singleness, pilot system independently; or only have Roll-Over Protective Structure testing equipment or only have Falling object protective structure testing equipment, on test capability or be only satisfied with engineering machinery vehicle test or be only satisfied with tractor test.Due to the load test of horizontal side to, the different directions such as longitudinal direction and vertical direction need be carried out to test specimen, require that test specimen repeatedly reorientates clamping in a different direction, loaded down with trivial details, test routine more complicated, testing crew labour intensity are comparatively large, test needs long time therefore to cause current test specimen to be installed.Meanwhile, for the release of FOPS test macro impact test load, there is the problem of safety and stability.
Summary of the invention
The present invention is directed to the weak point of above present situation, the TT&C system device that a kind of ROPS of collection and FOPS tests is provided, ROPS and the FOPS test of engineering truck and tractor can be satisfied with simultaneously.
Technical scheme is adopted to be by solving its technical matters:
Driver protects Falling object protective structure and Roll-Over Protective Structure integrated test system, comprise ROPS test macro, FOPS test macro, test specimen mounting and clamping system, described ROPS test macro and FOPS test macro are located in same level, and share fixed element task platform and test specimen mounting and clamping system; Described FOPS test macro to be located on two parallel guide rails and can be moved around along closed slide.
Described test specimen mounting and clamping system comprises one can realize test test specimen clamped one time, and the test order specified according to testing standard completes the static loading of side direction, longitudinal direction and vertical direction and the test specimen multistation clamping rotary type worktable of dynamic impact test.
Described test specimen multistation clamping rotary type worktable comprises turntable, axially mounting bearing, rotating shaft, base plate and clamping screw, described rotating shaft and turntable are fixedly connected, described rotating shaft and base plate are actively coupled by axial support bearing, described turntable and base plate can be locked by clamping screw, and described turntable is provided with annular concave platform groove.
Described ROPS test macro, comprise horizontal addload actuator and two vertical loading actuator, described horizontal addload actuator is fixed on fixed horizontal addload structural framing, the position of described horizontal addload actuator is adjusted by servotab structure, two described vertical loading actuator are fixed on fixed element task platform, and are provided with loading crossbeam above two vertical loading actuator.
The structure of described fixed horizontal addload structural framing spatially gate framed structure is fixed on foundation, fixed horizontal addload structural framing is made up of two H-shaped columns, two H-shaped diagonal braces, entablature and intermediate transverse girders, in two described H-shaped columns, upper end arranges that entablature, intermediate arrangement can move to adjust the intermediate transverse girder of terrain clearance along H-shaped column, rear side arranges two H-shaped diagonal braces, described intermediate transverse girder is installed horizontal addload actuator position servo adjusting mechanism.
The structure of described position servo adjusting mechanism comprises servomotor III, leading screw III, planker, drives leading screw III by servomotor III, and described leading screw III drags the planker for installing horizontal addload actuator, to adjust the horizontal level of horizontal addload actuator.
Described FOPS test macro, comprise portable gate framework, described gate framework is provided with perpendicular positioning mechanism and level locating mechanism, described perpendicular positioning mechanism and level locating mechanism are fixed on portable gate framework, described perpendicular positioning mechanism is connected with a bump stroke hanging support releasing mechanism, and level locating mechanism is connected with bump stroke.
Described level locating mechanism comprises the stretched wire trailer that drops hammer, servomotor I, leading screw I, 4 stretched wires, laser distance sensors I, described servomotor I drives leading screw, the screw of leading screw I is provided with the stretched wire trailer that drops hammer, the described stretched wire trailer that drops hammer is provided with 4 stretched wires and a laser distance sensor I.
Described perpendicular positioning mechanism comprises pendulum and promotes trailer, servomotor II, leading screw II, laser distance sensor II, horizontal displacement sensors, described servomotor II drives leading screw II, the screw of leading screw II is provided with a pendulum and promotes trailer, promote on trailer at pendulum and laser distance sensor II, horizontal displacement sensors are installed.
The structure of described bump stroke hanging support releasing mechanism comprises magnechuck, electric block I, universal type fixed pulley I and electric block II, universal type fixed pulley II, described universal type fixed pulley I and electric block I are arranged on level locating mechanism, universal type fixed pulley I connects magnechuck by wire rope, and magnechuck lifting is dropped hammer; Described electric block II and universal type fixed pulley II are arranged in perpendicular positioning mechanism, and universal type fixed pulley II connects magnechuck by wire rope, and 4 stretched wires of level locating mechanism connect pendulum, magnechuck lifting pendulum.
The structure of 4 described stretched wires, its structure length is identical, point left and right sides suspended pendulum, and before and after every side, 2 stretched wires and upper and lower 4 hang node and form parallelogram, the stretched wire of every side, the left and right sides in same plane, and makes the angle of two side planes in upwards certain number of degrees.Guarantee pendulum in circumferentially track dropping process stable translation, do not rock.
Described FOPS test macro bump stroke comprises drops hammer and pendulum, wherein, described pendulum is used for tractor ROPS dynamic test of pressure, quality is 2 tons, the sheet metal that its structure is similar shape trapezium by multi-disc forms the hexahedron that side is similar shape trapezium jointly, these hexahedral two sides are parallel to each other and establish 4 stretched wire hangers near the place of corner, top, square dip plane for being the upwards 680mm × 680mm of 20 ° of angles before it, it is the square vertical plane of 680mm × 680mm after it, dip plane is the striking face of rear impact test and front impact test, vertical plane is the striking face of side impaction test.
Described drops hammer as prior art, is not therefore described in detail at this.
The electro-hydraulic servo control function of ROPS test macro, can realize making horizontal addload actuator (servo-cylinder) realize quiescent levels to load, can realize vertical loading actuator (servo-cylinder) chosen position is controlled and spatial load forecasting two kinds of static vertical load modes.
The pendulum locator meams of the tractor dynamic impact test of FOPS test macro is: first pendulum is suspended on by stretched wire and drops hammer on stretched wire trailer, by the magnechuck lifting be mounted on pendulum lifting trailer to specified altitude, then pendulum lifting trailer is driven to be moved horizontally to the Impact energy position of regulation by leading screw II.
The test technology of described system, as follows:
When carrying out FOPS performance test, portable gate framework moves to test specimen position along running rail, bump stroke is positioned by the level locating mechanism of bump stroke and the perpendicular positioning mechanism of bump stroke, bump stroke hanging support releasing mechanism passes through power-off lifting, the energising release bump stroke of magnechuck, clashes into test specimen; Wherein, the pendulum locator meams of tractor dynamic impact test is: first pendulum is suspended on by stretched wire and drops hammer on stretched wire trailer, by the magnechuck lifting be mounted on pendulum lifting trailer to specified altitude, then pendulum lifting trailer is driven to be moved horizontally to the Impact energy position of regulation by leading screw.
Compared to the prior art of the present invention, there is following characteristics:
The present invention is by ROPS test macro and the same foundation construction of FOPS test macro, share test specimen multistation clamping rotary type worktable, fixed element task platform, two running rails that FOPS test macro is buried underground along ground move to experiment work position, achieve ROPS and FOPS test integrated, ROPS and the FOPS performance test of engineering truck and tractor can be satisfied with simultaneously.This system application electro-hydraulic servo power position control technology, laser measuring technique, achieve the observing and controlling of static loading energy and the observing and controlling of load kinetic energy Impact energy, adopt rational pendulum detent mechanism, bump stroke hanging support releasing mechanism, test specimen multistation clamping mechanism, effectively improve test efficiency and experimental safe, fill up this field domestic blank.
Structure composition ROPS test macro of the present invention and FOPS test macro are integrated, and include ROPS test macro, FOPS test macro, test specimen mounting and clamping system, electrohydraulic servo-controlling system, electrical apparatus control system, sensor measuring system, video monitoring system.ROPS test macro and the same foundation construction of FOPS test macro, share fixed element task platform, test specimen multistation clamping rotary type worktable, two running rails that FOPS test macro is buried underground along ground move to experiment work position.The release of FOPS test macro impact test load, adopts the power-off lifting of magnechuck in hanging support releasing mechanism, energising delivery mode.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1-1 is the structural front view of ROPS & FOPS integrated test system;
Fig. 1-2 is the structure side view of ROPS & FOPS integrated test system;
Fig. 1-3 is structure vertical views of ROPS & FOPS integrated test system;
In figure: 1, ROPS test macro, 2, FOPS test macro, 2-6, running rail, 3, fixed element task platform, 4, test specimen multistation clamping rotary type worktable.
Fig. 2-1 is the structural front view of ROPS test macro;
Fig. 2-2 is structure side views of ROPS test macro;
In figure: 1-1, fixed horizontal addload structural framing, 1-2, horizontal addload actuator (servo-cylinder), 1-3, two vertical loading actuator (servo-cylinder), 1-4, horizontal addload actuator position servo adjusting mechanism, 1-5, radial type vertical loading crossbeam, 3 fixed element task platforms, 4, test specimen multistation clamping rotary type worktable
Fig. 3-1 is the structural front view of ROPS test macro;
Fig. 3-2 is structure side views of ROPS test macro;
Fig. 3-3 is structure vertical views of ROPS test macro;
In figure: 2-1, portable gate framework, the level locating mechanism of 2-2, bump stroke, the perpendicular positioning mechanism of 2-3, bump stroke, 2-4, bump stroke hanging support releasing mechanism, 2-5, bump stroke (dropping hammer and pendulum), 2-6, running rail, 3, fixed element task platform, 4, test specimen multistation clamping rotary type worktable.
Fig. 4-1 is the structural front view of test specimen multistation clamping rotary type worktable;
Fig. 4-2 is structure vertical views of test specimen multistation clamping rotary type worktable;
In figure: 4-1, turntable, 4-2, radial location bearing, 4-3, axially mounting bearing, 4-4, rotating shaft, 4-5, base plate, 4-6, clamping screw, 4-7, annular concave platform groove.
Fig. 5-1 is the structural front view of fixed horizontal addload structural framing;
Fig. 5-2 is structure side views of fixed horizontal addload structural framing;
In figure: 1-1-1, H-shaped column, 1-1-2, H-shaped diagonal brace, 1-1-3, entablature, 1-1-4, intermediate transverse girder.
Fig. 6-1 is the structure side view of horizontal addload actuator position servo adjusting mechanism;
Fig. 6-2 is structural front view of horizontal addload actuator position servo adjusting mechanism;
In figure: 1-4-1, servomotor III, 1-4-2, leading screw III, 1-4-3, planker.
Fig. 7 is the structural representation of the level locating mechanism of bump stroke.
In figure: 2-2-1, drop hammer stretched wire trailer, 2-2-2, servomotor I, 2-2-3, leading screw I, 2-2-4, stretched wire, 2-2-5, laser distance sensor I.
Fig. 8 is the perpendicular positioning mechanism structure schematic diagram of bump stroke.
In figure: 2-3-1, pendulum promote trailer, 2-3-2, servomotor II, 2-3-3, leading screw II, 2-3-4, laser distance sensor II, 2-3-5 displacement transducer.
Fig. 9 is the structural representation of bump stroke hanging support releasing mechanism.
In figure: 2-4-1, magnechuck, 2-2-6, electric block I, 2-2-7, universal type fixed pulley I, 2-3-6, electric block II, 2-3-7, universal type fixed pulley II.
Figure 10-1 pendulum front view;
Figure 10-2 pendulum side view;
Figure 10-3 pendulum side view;
In figure: the sheet metal of 2-5-1-6, similar shape trapezium, 2-5-1-1, side are the hexahedrons of similar shape trapezium, 2-5-1-2, stretched wire hanger, the square dip plane of the 680mm × 680mm of 2-5-1-3, upwards 20 ° angle, the square vertical plane of 2-5-1-4,680mm × 680mm.
Embodiment
Protect Falling object protective structure (FOPS) with reference to Figure of description 1-1 ~ accompanying drawing 10-3 to tractor and engineering machinery driver to be described in detail below with Roll-Over Protective Structure (ROPS) integrated test system.
Tractor of the present invention and engineering machinery driver protect Falling object protective structure (FOPS) and comprise with Roll-Over Protective Structure (ROPS) integrated test system: ROPS test macro 1 and FOPS test macro 2.The structure of ROPS test macro 1 is made up of fixed horizontal addload structural framing 1-1, horizontal addload actuator (servo-cylinder) 1-2, two parts such as vertical loading actuator (servo-cylinder) 1-3, horizontal addload actuator position servo adjusting mechanism 1-4, radial type vertical loading crossbeam 1-5, fixed element task platform 3, test specimen multistation clamping rotary type worktable 4.The structure of FOPS test macro 2 is made up of the level locating mechanism 2-2 of portable gate framework 2-1, bump stroke, perpendicular positioning mechanism 2-3, the bump stroke hanging support releasing mechanism 2-4, bump stroke (dropping hammer and pendulum) 2-5, running rail 2-6, fixed element task platform 3, test specimen multistation clamping rotary type worktable 4 etc. of bump stroke.
Described ROPS test macro 1 and the same foundation construction of FOPS test macro 2, two running rail 2-6 that shared fixed element task platform 3, test specimen multistation clamping rotary type worktable 4, FOPS test macro 2 are buried underground along ground move to experiment work position.
Described ROPS test macro 1 and FOPS test macro 2, described test specimen multistation clamping rotary type worktable 4, can realize test test specimen clamped one time, the test order specified according to testing standard completes static loading and the dynamic impact test of the different directions such as side direction, longitudinal direction and vertical direction.
Described ROPS test macro 1, the electro-hydraulic servo control function of described ROPS test macro 1, can realize making horizontal addload actuator (servo-cylinder) 1-2 realize quiescent levels to load, can realize vertical loading actuator (servo-cylinder) 1-3 chosen position is controlled and spatial load forecasting two kinds of static vertical load modes.
Described FOPS test macro 2, the pendulum 2-5-1 locator meams of the tractor dynamic impact test of described FOPS test macro 2 is: first pendulum 2-5-1 is suspended on by stretched wire 2-2-3 and drops hammer on stretched wire trailer 2-2-1, by the magnechuck 2-4-1 lifting be mounted on pendulum lifting trailer 2-3-1 to specified altitude, then pendulum lifting trailer 2-3-1 is driven to be moved horizontally to the Impact energy position of regulation by leading screw 2-3-2.
The structure of described fixed horizontal addload structural framing 1-1 spatially gate framed structure is fixed on foundation, and fixed horizontal addload structural framing 1-1 is made up of two H-shaped column 1-1-1, two H-shaped diagonal brace 1-1-2, entablature 1-1-3 and intermediate transverse girder 1-1-4.In two described H-shaped columns, upper end arranges that entablature, intermediate arrangement can move to adjust the intermediate transverse girder of terrain clearance along H-shaped column, rear side arranges two H-shaped diagonal braces, described intermediate transverse girder is installed horizontal addload actuator position servo adjusting mechanism.Intermediate transverse girder 1-1-4 installs horizontal addload actuator position servo adjusting mechanism 1-4, and can move to adjust terrain clearance along two H-shaped column 1-1-1.
The structure of described horizontal addload actuator position servo adjusting mechanism 1-4 is made up of servomotor III 1-4-1, leading screw III 1-4-2, planker 1-4-3.Servomotor III 1-4-1 drives leading screw III 1-4-2 to drag the planker 1-4-3 installing horizontal addload actuator 1-2, to adjust the horizontal level of horizontal addload actuator 1-2.
The structure of described test specimen multistation clamping rotary type worktable 4 is made up of turntable 4-1, radial location bearing 4-2, axially mounting bearing 4-3, rotating shaft 4-4, base plate 4-5, clamping screw 4-6 etc., turntable 4-1 establishes several sections of annular concave platform groove 4-7, for clamping screw 4-6, turntable 4-1 and base plate 4-5 is locked.
Described portable gate framework 2-1 is displaced on two running rail 2-6, and portable gate framework 2-1 is fixedly clamped by the running rail 2-6 of the screw bolt locking mechanism 2-1-1 and two bottom it.
The level locating mechanism 2-2 of described bump stroke, leading screw I 2-2-3 is driven by servomotor I 2-2-2, leading screw I 2-2-3 drags 4 stretched wire 2-2-4, laser distance sensor I 2-2-5 of drop hammer stretched wire trailer 2-2-1 and upper device thereof, described servomotor I drives leading screw, the screw of leading screw I is provided with the stretched wire trailer that drops hammer, the described stretched wire trailer that drops hammer is provided with 4 stretched wires and a laser distance sensor I.The measuring-signal that system is transmitted according to laser distance sensor I 2-2-5, carries out perpendicular positioning to the position of dropping hammer.
The perpendicular positioning mechanism 2-3 of described bump stroke, leading screw II 2-3-3 is driven by servomotor II 2-3-2, leading screw II 2-3-3 drags laser distance sensor II 2-3-4, the horizontal displacement sensors 2-3-5 that pendulum promotes trailer 2-3-1 and upper device thereof, described servomotor II drives leading screw II, the screw of leading screw II is provided with a pendulum and promotes trailer, promote on trailer at pendulum and laser distance sensor II, horizontal displacement sensors are installed.The measuring-signal that system is transmitted according to laser distance sensor II 2-3-4 and horizontal displacement sensors 2-3-5, carries out vertical and horizontal location to the position of pendulum.
Electric block I 2-2-6, universal type fixed pulley I 2-2-7 of described bump stroke hanging support releasing mechanism 2-4 are fixedly mounted on and drop hammer on stretched wire trailer 2-2-1, electric block II 2-3-6, universal type fixed pulley II 2-3-7 are fixedly mounted on pendulum and promote on trailer 2-3-1, when bump stroke is for dropping hammer, magnechuck 2-4-1 lifting is dropped hammer, and magnechuck 2-4-1 mounts by by wire rope and electric block I 2-2-6; When bump stroke is pendulum, magnechuck 2-4-1 lifting pendulum, magnechuck 2-4-1 mounts by by wire rope and electric block II 2-3-6.The hanging support of bump stroke and release, adopt the power-off lifting of magnechuck 2-4-1, energising delivery mode.
The structure of 4 described stretched wire 2-2-4, its structure length is identical, divide left and right sides suspended pendulum 2-5-1, before and after every side, two stretched wire 2-2-4 and upper and lower four hang node and form parallelogram, the stretched wire 2-2-4 of every side, the left and right sides in same plane, and makes the angle of two side planes in upwards certain number of degrees.
Pendulum 2-5-1 in described bump stroke (dropping hammer and pendulum) 2-5 is used for tractor ROPS dynamic test of pressure, quality is 2 tons, its structure is the hexahedron 2-5-1-1 that the sheet metal plate 2-5-1-6 being similar shape trapezium by multi-disc side forms that side is similar shape trapezium jointly, the two sides of this hexahedron 2-5-1-1 are parallel to each other and establish 4 stretched wire hanger 2-5-1-2 near the place of corner, top, square dip plane 2-5-1-3 for being the upwards 680mm × 680mm of 20 ° of angles before it, be the square vertical plane 2-5-1-4 of 680mm × 680mm after it, dip plane is the striking face of rear impact test and front impact test, vertical plane is the striking face of side impaction test.
The present invention is in the process of test measurement, and driver's protective device ROPS or FOPS test specimen, be installed on fixed element task platform 3 or test specimen multistation clamping rotary type worktable 4, and test specimen can rise at worktable need adjustment direction according to test.
When carrying out ROPS performance test, horizontal addload actuator (servo-cylinder) 1-2 adjusts position by fixed horizontal addload structural framing 1-1 and horizontal addload actuator position servo adjusting mechanism 1-4, carries out static horizontal loading to test specimen; Two vertical loading actuator (servo-cylinder) 1-3 connect radial type vertical loading crossbeam 1-5, carry out vertical static loading to test specimen.
When carrying out FOPS performance test, portable gate framework 2-1 moves to test specimen position along running rail 2-6, bump stroke (dropping hammer and pendulum) 2-5 is positioned by the level locating mechanism 2-2 of bump stroke and the perpendicular positioning mechanism 2-3 of bump stroke, bump stroke hanging support releasing mechanism 2-4 passes through power-off lifting, energising release bump stroke (dropping hammer and the pendulum) 2-5 of magnechuck 2-4-1, clashes into test specimen.Wherein, the pendulum 2-4-1 locator meams of tractor dynamic impact test is: first pendulum 2-5-1 is suspended on by stretched wire 2-2-3 and drops hammer on stretched wire trailer 2-2-1, by the magnechuck 2-4-1 lifting be mounted on pendulum lifting trailer 2-3-1 to specified altitude, then pendulum lifting trailer 2-3-1 is driven to be moved horizontally to the Impact energy position of regulation by leading screw 2-3-2.
Claims (8)
1. Falling object protective structure and Roll-Over Protective Structure integrated test system, it is characterized in that: comprise ROPS test macro, FOPS test macro, test specimen mounting and clamping system, described ROPS test macro and FOPS test macro are located in same level, and share fixed element task platform and test specimen mounting and clamping system; Described FOPS test macro to be located on two parallel guide rails and can be moved around along closed slide;
Described ROPS test macro, comprise horizontal addload actuator and two vertical loading actuator, described horizontal addload actuator is fixed on fixed horizontal addload structural framing, the position of described horizontal addload actuator is adjusted by servotab structure, two described vertical loading actuator are fixed on fixed element task platform, and are provided with loading crossbeam above two vertical loading actuator;
Described FOPS test macro, comprise portable gate framework, described portable gate framework is provided with perpendicular positioning mechanism and level locating mechanism, described perpendicular positioning mechanism and level locating mechanism are fixed on portable gate framework, described perpendicular positioning mechanism is connected with a bump stroke hanging support releasing mechanism, and level locating mechanism is connected with bump stroke;
Described level locating mechanism comprises the stretched wire trailer that drops hammer, servomotor I, leading screw I, 4 stretched wires, laser distance sensors I, described servomotor I drives leading screw, the screw of leading screw I is provided with the stretched wire trailer that drops hammer, the described stretched wire trailer that drops hammer is provided with 4 stretched wires and a laser distance sensor I;
Described perpendicular positioning mechanism comprises pendulum and promotes trailer, servomotor II, leading screw II, laser distance sensor II, horizontal displacement sensors, described servomotor II drives leading screw II, the screw of leading screw II is provided with a pendulum and promotes trailer, promote on trailer at pendulum and laser distance sensor II, horizontal displacement sensors are installed.
2. the system as claimed in claim 1, it is characterized in that: described test specimen mounting and clamping system comprises one can realize test test specimen clamped one time, and the test order specified according to testing standard completes the static loading of side direction, longitudinal direction and vertical direction and the test specimen multistation clamping rotary type worktable of dynamic impact test;
Described test specimen multistation clamping rotary type worktable comprises turntable, axially mounting bearing, rotating shaft, base plate and clamping screw, described rotating shaft and turntable are fixedly connected, described rotating shaft and base plate are actively coupled by axial support bearing, described turntable and base plate are locked by clamping screw, and described turntable is provided with annular concave platform groove.
3. the system as claimed in claim 1, it is characterized in that: the structure of described fixed horizontal addload structural framing spatially gate framed structure is fixed on foundation, fixed horizontal addload structural framing is made up of two H-shaped columns, two H-shaped diagonal braces, entablature and intermediate transverse girders, in two described H-shaped columns, upper end arranges that entablature, intermediate arrangement can move to adjust the intermediate transverse girder of terrain clearance along H-shaped column, rear side arranges two H-shaped diagonal braces, described intermediate transverse girder is installed horizontal addload actuator position servo adjusting mechanism.
4. system as claimed in claim 3, it is characterized in that: the structure of described position servo adjusting mechanism comprises servomotor III, leading screw III, planker, leading screw III is driven by servomotor III, described leading screw III drags the planker for installing horizontal addload actuator, to adjust the horizontal level of horizontal addload actuator.
5. the system as claimed in claim 1, it is characterized in that: the structure of described bump stroke hanging support releasing mechanism comprises magnechuck, electric block I, universal type fixed pulley I and electric block II, universal type fixed pulley II, described universal type fixed pulley I and electric block I are arranged on level locating mechanism, universal type fixed pulley I connects magnechuck by wire rope, and magnechuck lifting is dropped hammer; Described electric block II and universal type fixed pulley II are arranged in perpendicular positioning mechanism, and universal type fixed pulley II connects magnechuck by wire rope, and 4 stretched wires of level locating mechanism connect pendulum, magnechuck lifting pendulum.
6. the system as claimed in claim 1, it is characterized in that: the structure of 4 described stretched wires, its structure length is identical, divide left and right sides suspended pendulum, before and after every side, 2 stretched wires and upper and lower 4 hang node and form parallelogram, the stretched wire of every side, the left and right sides in same plane, and makes the angle of two side planes in upwards certain number of degrees; Guarantee pendulum in circumferentially track dropping process stable translation, do not rock.
7. the system as claimed in claim 1, it is characterized in that: described FOPS test macro bump stroke comprises drops hammer and pendulum, wherein said pendulum is used for tractor ROPS dynamic test of pressure, quality is 2 tons, the sheet metal that its structure is similar shape trapezium by side forms the hexahedron that side is similar shape trapezium jointly, these hexahedral two sides are parallel to each other and establish 4 stretched wire hangers near the place of corner, top, square dip plane for being the upwards 680mm × 680mm of 20 ° of angles before it, it is the square vertical plane of 680mm × 680mm after it, dip plane is the striking face of rear impact test and front impact test, vertical plane is the striking face of side impaction test.
8. the test technology of the system as claimed in claim 1, is characterized in that, as follows:
When carrying out FOPS performance test, portable gate framework moves to test specimen position along running rail, bump stroke is positioned by the level locating mechanism of bump stroke and the perpendicular positioning mechanism of bump stroke, bump stroke hanging support releasing mechanism passes through power-off lifting, the energising release bump stroke of magnechuck, clashes into test specimen; Wherein, the pendulum locator meams of tractor dynamic impact test is: first pendulum is suspended on by stretched wire and drops hammer on stretched wire trailer, by the magnechuck lifting be mounted on pendulum lifting trailer to specified altitude, then pendulum lifting trailer is driven to be moved horizontally to the Impact energy position of regulation by leading screw.
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| CN201410026356.2A CN103776609B (en) | 2014-01-21 | 2014-01-21 | Integrated test system and technology for falling-object protective structure and roll-over protective structure |
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| CN201410026356.2A CN103776609B (en) | 2014-01-21 | 2014-01-21 | Integrated test system and technology for falling-object protective structure and roll-over protective structure |
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| CN108827800A (en) * | 2018-07-24 | 2018-11-16 | 天津鼎成高新技术产业有限公司 | A kind of Falling object protective structure detection experimental rig |
| IT201800009718A1 (en) * | 2018-10-23 | 2020-04-23 | Cnh Ind Italia Spa | TOGETHER FOR FOPS TEST |
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