CN202869771U - Commercial vehicle multifunctional pendulum bob hitting test bed - Google Patents
Commercial vehicle multifunctional pendulum bob hitting test bed Download PDFInfo
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- CN202869771U CN202869771U CN 201220528310 CN201220528310U CN202869771U CN 202869771 U CN202869771 U CN 202869771U CN 201220528310 CN201220528310 CN 201220528310 CN 201220528310 U CN201220528310 U CN 201220528310U CN 202869771 U CN202869771 U CN 202869771U
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Abstract
A commercial vehicle multifunctional pendulum bob hitting test bed belongs to detection equipment. A height adjustment motor (15) is mounted on the upper side of a main body truss (1), the height adjustment motor (15) is connected with an elevator (13), a lateral movement elevator (24) is mounted on the lower side of the main body truss (1), and an output nut of the lateral movement elevator (24) is connected with a lateral movement base (22); a lifting mechanism lateral movement sliding rail (3) on an upper side frame of the main body truss (1) is equipped with a driver, and a lifting chain (10) of the driver is connected with a lock catch (30) on a rigid swing arm (6); the lower end frame of the rigid swing arm (6) is equipped with a triggering type unhooking safety device (9); and a swing arm rotation center of a swing arm shaft is equipped with a energy storage type brake (18) and an angle sensor (20). The commercial vehicle multifunctional pendulum bob hitting test bed can effectively simulate main forms of traffic accidents of a commercial vehicle, such as the impact to the rear wall of a cab from goods loaded in medium and heavy trucks in head-on collisions, turning-over collisions, side-turning pillar collisions and emergency braking, and obtain related test data, thereby being applicable to passenger protection test detection, research and analysis and reversal design of a commercial vehicle cab/a passenger compartment.
Description
Technical field
The utility model relates to automobile-used testing equipment, the multi-functional pendulum knock test-bed of especially a kind of commercial car.
Background technology
The design and installation of vehicle cab should avoid the occupant to be injured in mishap to greatest extent, thereby necessarily require it to have enough intensity, promulgated corresponding mandatory test standard both at home and abroad for this reason, automobile cab front, two A posts, side roof part, front windshield and automobile rear end panel equal strength are tested, and the standard-required of country variant is also different.To in the laboratory, finish the examination to pilothouse intensity, just must development and Design pilothouse pendulum impact test platform.Present domestic correlation test equipment and technology is more outmoded, complex operation, function singleness, and relevant device pendulum position is fixing both at home and abroad can not adjust, and needs movable cab to adapt to pendulum position, narrow application range during test; And the pendulum swing arm is non-exchange, and versatility is not strong; Without preventing the secondary collision device, pendulum may carry out secondary even multiple impact to pilothouse, can not accurately examine its impact events, and therefore, a kind of demand of Mobyneb pendulum impact test platform is increasingly strong.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, is used for the multi-functional pendulum knock test-bed of commercial car of commercial-vehicle cab front impact test, commercial-vehicle cab list/pair A post impact test, commercial car side roof part impact test, commercial car back wall impact test.
The technical solution adopted in the utility model: comprise the main body truss, the pendulum apparatus for adjusting position, the pendulum hoisting gear, trigger-type unhook safety apparatus, prevent the secondary collision device, described main body truss adopts the four-column type truss, H shaped steel is formed by connecting with bolt, fastening with foot bolt and ground, the support of two lifters of its pendulum apparatus for adjusting position is connected with the crossbeam two ends by bolt respectively, screw mandrel one end of lifter is supported on the framework of main body truss middle and upper part, bear gravity and impulsive force on the vertical direction, the crossbeam front/rear end is connected with lifting slider by bolt, lifting slider is contained on the height guiding rail and slides, the height regulating electric machine is equipped with at middle part, crossbeam upper surface, two output shafts of height regulating electric machine are connected with transmission shaft by shaft coupling, transmission shaft is connected with two lifter input shafts respectively by shaft coupling, realizes the short transverse adjusted of pendulum apparatus for adjusting position; The transverse shifting guide rail is equipped with in the crossbeam lower surface, the transverse shifting slide block is installed on the transverse shifting base, the transverse shifting slide block is contained on the transverse shifting guide rail and slides, the input of transverse shifting lifter is by motor-driven, output nut and the transverse shifting base of transverse shifting lifter are bolted, and realize pendulum apparatus for adjusting position transverse shifting; Two arm shafts pass respectively connecting hole and rigidity swing arm upper end hole below the transverse shifting base, and flexible swing arm Connection Block is connected with connecting hole below the transverse shifting base by connecting pin;
The hoisting gear transverse shifting slide rail of pendulum hoisting gear, be bolted on the main body truss upper end frame, the driver of pendulum hoisting gear is installed on the slide block of hoisting gear transverse shifting slide rail, can laterally be free to slide, the elevator chain of driver is connected with the snap close of trigger-type unhook safety apparatus on being contained in rigidity swing arm lower end frame, can promote the rigidity swing arm;
The uncoupling rigging mount pad of trigger-type unhook safety apparatus is connected with rigidity swing arm lower end frame by bolt, the uncoupling rigging mount pad is connected with the uncoupling rigging rotary seat with bolt, the uncoupling rigging rotary seat is connected with the dead bolt seat with bearing pin, dead bolt seat top is and is inserted with snap close in the degree of lip-rounding, the side connects dead bolt with the dead bolt turning axle, the dead bolt front end is equipped with roller and contacts with the snap close inside surface, and lower outside has the cylinder mount pad, and the cylinder mount pad is equipped with cylinder and is connected with dead bolt by oscillating bearing, pin;
The detent mounting seat that prevents pendulum secondary collision device is fixed by bolts on the transverse shifting base, the energy storage braking device is installed on the detent mounting seat, the brake disc of energy storage braking device and rigidity swing arm top are rigidly connected by coupling shaft, swing arm rotation center setting angle sensor.
Also have, rigidity swing arm lower end with bolt be connected with pendulum, the upper end is contained on the arm shaft inner shafts.
Further, two flexible swing arm one ends are contained in that the circular pendulum hammer is upper, the other end is contained on the coupling shaft of flexible swing arm mount pad, are positioned at the arm shaft outside.
The utility model is compared with prior art:
1. when adopting the rigidity swing arm, have the function that prevents pendulum generation secondary or multiple impacts, truly reflected the objective circumstances of commercial vehicle collision accident; In adjustable extent, can realize that pendulum is in the step-less adjustment of short transverse and lateral attitude, the needs of putting to adapt to the different installation fixing position of different automobile types pilot set R point, test vehicle, having overcome classic method must be by adjusting test vehicle or pilothouse riding position and frock clamp thereof to adapt to the inconvenience of pendulum position.
2. adopt motor driver to drive, the angular transducer feedback forms closed-loop control, and can accurately control pendulum and promote angle, thus control pendulum Impact energy; Vidacare corp is installed on the line slideway, can be automatically servo-actuated according to the pendulum center.
3. triggering is light and handy, unhook is rapid, structure self-locking and driving self-locking double insurance.Be rolling friction between unhook dead bolt and the snap close, trigger the required pulling force that breaks off relations less; But after having crossed zero boundary's latching point, dead bolt has the trend of accelerating to break away from snap close under the pulling of plumb-bob gravity, therefore breaks off relations rapidly; Before zero boundary's latching point; the physical construction self-locking; under Action of Gravity Field; trip mechanism has locking trend, has auto-lock function, breaks off relations to drive to adopt single-acting spring reset air cylinder driven; in the situation of being failure to actuate; under the effect of spring force, also have locking trend, therefore have the double self locking protection.
4. adopt two cover energy storage type air-pressure disc brakes at the swing arm rotation center, under inflation situation, the energy storage of air pressure Compress Spring; In the situation of dying, spring potential energy discharges rapidly, and the locking pendulum prevents pendulum secondary impact pilothouse, is swift in motion, safe and reliable.At test preparatory stage and non-trystate, detent is in on-position always under spring-force driven dual, prevent that pendulum from rocking.
5. swing arm has dividing of rigidity swing arm and flexible swing arm, to satisfy the needs of different tests, research; Pendulum has rectangular parallelepiped, square, right cylinder etc. multiple, A wide selection of colours and designs, and interchangeability is good; In Maximum Capability Envelope, pendulum Impact energy and pendulum pivot angle can select arbitrarily then as required, by adjusting the pendulum lifting angle or changing pendulum oscillation centre position, different Impact energies can be set in scope.
Comprehensive above characteristics, this testing table can carry out commercial-vehicle cab front impact test, commercial-vehicle cab list/pair A post impact test, commercial-vehicle cab side roof part impact test, automobile cab back wall impact test etc.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Fig. 1 is the utility model overall construction drawing;
Fig. 2 is the utility model pendulum apparatus for adjusting position schematic diagram;
Fig. 3 is the flexible swing arm assembling of the utility model assembly structure schematic diagram;
Fig. 4 is the utility model trigger-type unhook safety apparatus structural representations;
Fig. 5 is the utility model trigger-type unhook safety apparatus structural profile schematic diagram.
Among the figure: 1, main body truss 2, pendulum hoisting gear 3, hoisting gear transverse shifting slide rail 4, pendulum apparatus for adjusting position 5, height guiding rail 6, rigidity swing arm 8, pendulum 9, trigger-type unhook safety apparatus 10, elevator chain 11, crossbeam 12, lifting slider 13, lifter 14, transmission shaft 15, height regulating electric machine 16, transverse shifting slide block 17, brake disc 18, energy storage type air-pressure disc brake 19, detent is installed the end 20, seat angular transducer 21, flexible swing arm Connection Block 22, transverse shifting base 23, transverse shifting guide rail 24, transverse shifting lifter 25, flexible swing arm 26, circular pendulum hammer 27, uncoupling rigging rotary seat 28, dead bolt seat 29, uncoupling rigging mount pad 30, snap close 31, dead bolt 32, dead bolt turning axle 33, cylinder 34, cylinder mount pad 35, oscillating bearing 36, roller 37, pin.
Embodiment
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, comprise main body truss 1, pendulum apparatus for adjusting position 4, pendulum hoisting gear 2, trigger-type unhook safety apparatus 9, prevent the secondary collision device, described main body truss 1 adopts the four-column type truss, H shaped steel is formed by connecting with bolt, fastening with foot bolt and ground, the support of two lifters 13 of its pendulum apparatus for adjusting position 4 is connected with crossbeam 11 two ends by bolt respectively, screw mandrel one end of lifter 13 is supported on the main body truss 1 middle and upper part framework, bear gravity and impulsive force on the vertical direction, crossbeam 11 front/rear ends are connected with lifting slider 12 by bolt, lifting slider 12 is contained on the height guiding rail 5 and slides, height regulating electric machine 15 is equipped with at middle part, crossbeam 11 upper surfaces, two output shafts of height regulating electric machine 15 are connected with transmission shaft 14 by shaft coupling, transmission shaft 14 is connected with two lifter 13 input shafts respectively by shaft coupling, realizes the short transverse adjusted of pendulum apparatus for adjusting position 4; Transverse shifting guide rail 23 is equipped with in crossbeam 11 lower surfaces, transverse shifting slide block 16 is installed on the transverse shifting base 22, transverse shifting slide block 16 is contained on the transverse shifting guide rail 23 and slides, the input of transverse shifting lifter 24 is by motor-driven, output nut and the transverse shifting base 22 of transverse shifting lifter 24 are bolted, and realize pendulum apparatus for adjusting position 4 transverse shiftings; Two arm shafts pass respectively transverse shifting base 22 following connecting hole and rigidity swing arm 6 upper end holes, and flexible swing arm Connection Block 21 is connected with connecting holes below the transverse shifting base 22 by connecting pin;
The hoisting gear transverse shifting slide rail 3 of pendulum hoisting gear 2, be bolted on main body truss 1 upper end frame, the driver of pendulum hoisting gear 2 is installed on the slide block of hoisting gear transverse shifting slide rail 3, can laterally be free to slide, the elevator chain 10 of driver is connected with the snap close 30 of trigger-type unhook safety apparatus 9 on being contained in rigidity swing arm 6 lower end frame, can promote rigidity swing arm 6;
The uncoupling rigging mount pad 29 of trigger-type unhook safety apparatus 9 is connected with rigidity swing arm 6 lower end frame by bolt, uncoupling rigging mount pad 29 usefulness bolts are connected with uncoupling rigging rotary seat 27, uncoupling rigging rotary seat 27 usefulness bearing pins are connected with dead bolt seat 28, dead bolt seat 28 tops are and are inserted with snap close 30 in the degree of lip-rounding, the side connects dead bolt 31 with dead bolt turning axle 32, dead bolt 31 front ends are equipped with roller 36 and contact with snap close 30 inside surfaces, lower outside has cylinder mount pad 34, and cylinder mount pad 34 is equipped with cylinder 33 and is connected with dead bolt 31 by oscillating bearing 35, pin 37;
The detent mounting seat 19 that prevents pendulum secondary collision device is fixed by bolts on the transverse shifting base 22, energy storage braking device 18 is installed on the detent mounting seat 19, brake disc 17 and rigidity swing arm 6 tops of energy storage braking device 18 are rigidly connected swing arm rotation center setting angle sensor 20 by coupling shaft.
Also have, rigidity swing arm 6 lower ends with bolt be connected with pendulum 8, the upper end is contained on the arm shaft inner shafts.
Further, two flexible swing arm 25 1 ends are contained on the circular pendulum hammer 26, the other end is contained on the coupling shaft of flexible swing arm mount pad 21, are positioned at the arm shaft outside.
The enforcement of pendulum apparatus for adjusting position utilizes transversely end face that height regulating electric machine 15 is housed and drives lifters 13 in the short transverse up-down adjustment with transmission shaft 14; Utilize the output feed screw nut of transverse shifting lifter 24 to make transverse shifting seat 22 mobile in the horizontal direction adjusting; Realization pendulum position is regulated in upper and lower, left and right, adapts to the needs of different vehicle test.
The enforcement of pendulum hoisting gear utilizes the driver drives that fills on the horizontal shifting sledge 3 on the main body truss, and the elevator chain 10 of driver is connected with snap close 30, the convenient lifting and decline rigidity swing arm 6.
The enforcement of trigger-type unhook safety apparatus 9, lifting process need to guarantee that uncoupling rigging is reliable, and guaranteeing to occur under the fortuitous event as have a power failure, stop the supple of gas or steam etc. in the situation not can landing and security incident occurs; Dead bolt 31 drives around dead bolt turning axle 32 by cylinder 33 and rotates, thereby realizes locking and release action, and when snap close 30 insertion dead bolt seats 28, cylinder 33 piston rods stretch out snap close 30 is pinned, and snap close 30 is connected with elevator chain 10, can promote swing arm; When the retraction of cylinder 33 piston rods, dead bolt 31 is rotated counterclockwise snap close 30 is discharged, and then breaks off relations and throws off; Contact the power of reducing friction by roller 37 between snap close 30 and the dead bolt 31; The unhook safety apparatus are installed on the uncoupling rigging mount pad 29 by uncoupling rigging rotary seat 27, and uncoupling rigging can be followed and be promoted the angle rotation, guarantees that snap close 30 is stressed all the time along elevator chain 10 direction of pull, guarantees to throw off smoothly.Trigger-type unhook safety apparatus 9 have trigger light and handy, break off relations rapidly, structure self-locking and drive the characteristics such as self-locking double insurance, in the lifting process, dead bolt 31 stress points are positioned at dead bolt turning axle 32 left sides, without under the External Force Acting, and dead bolt 31 trend that turns clockwise, it is self-locking, cylinder 33 is selected single-acting cylinder, is being in all the time the state of stretching out without the barometric information lower piston rod, and locking trend is also arranged, therefore the insurance of breaking off relations is double insurance, greatly improves its reliability; During unhook, contact by roller 36 between snap close 30 and the dead bolt 31, rolling friction, the required triggering power that breaks off relations is less, has served as after zero boundary's latching point, under Action of Gravity Field, breaking off relations has the trend of throwing off accelerated, therefore break off relations light and handy, break off relations rapidly.
Prevent the implementing measure of secondary collision device, prevent that the secondary collision device is by detent mounting seat 19, brake disc 17, energy storage type air-pressure disc brake 18 and angular transducer 20 form, at the swing arm rotation center two cover energy storage type air-pressure disc brakes are installed, brake disc 17 is rigidly connected with swing arm 6 upper end axis of swing, energy storage braking device 18 is installed on the detent mounting seat 19, detent mounting seat 19 is fixed on the transverse shifting base 22, under inflation situation, the energy storage of air pressure Compress Spring, brake disc 17 is in releasing orientation with energy storage braking device 18, and pendulum is in free state; In the situation of dying, spring potential energy discharges rapidly, and locking brake disc 17 prevents pendulum secondary impact pilothouse, is swift in motion, safe and reliable.At test preparatory stage and non-trystate, detent is in on-position always under spring-force driven dual, prevent that pendulum from rocking.In the test, pass into first the air pressure brake off, then promote swing arm, arriving the desired location pendulum discharges and the bump pilothouse, if judge that by angular transducer 20 and Zero-point switch pendulum has secondary collision trend, then trigger the braking of detent Quick air-discharge, avoid the secondary impact pilothouse.
Claims (3)
1. the multi-functional pendulum knock test-bed of commercial car, comprise main body truss (1), pendulum apparatus for adjusting position (4), pendulum hoisting gear (2), trigger-type unhook safety apparatus (9), prevent the secondary collision device, described main body truss (1) adopts the four-column type truss, H shaped steel is formed by connecting with bolt, fastening with foot bolt and ground, it is characterized in that: the support of two lifters (13) of pendulum apparatus for adjusting position (4) is connected with crossbeam (11) two ends by bolt respectively, screw mandrel one end of lifter (13) is supported on the framework of main body truss (1) middle and upper part, bear gravity and impulsive force on the vertical direction, crossbeam (11) front/rear end is connected with lifting slider (12) by bolt, lifting slider (12) is contained in the upper slip of height guiding rail (5), height regulating electric machine (15) is equipped with at middle part, crossbeam (11) upper surface, two output shafts of height regulating electric machine (15) are connected with transmission shaft (14) by shaft coupling, transmission shaft (14) is connected with two lifters (13) input shaft respectively by shaft coupling, realizes the short transverse adjusted of pendulum apparatus for adjusting position (4); Transverse shifting guide rail (23) is equipped with in crossbeam (11) lower surface, transverse shifting slide block (16) is installed on the transverse shifting base (22), transverse shifting slide block (16) is contained in the upper slip of transverse shifting guide rail (23), the input of transverse shifting lifter (24) is by motor-driven, the output nut of transverse shifting lifter (24) and transverse shifting base (22) are bolted, and realize pendulum apparatus for adjusting position (4) transverse shifting; Two arm shafts pass respectively the following connecting hole of transverse shifting base (22) and rigidity swing arm (6) upper end hole, and flexible swing arm Connection Block (21) connecting hole below connecting pin and transverse shifting base (22) is connected;
The hoisting gear transverse shifting slide rail (3) of pendulum hoisting gear (2), be bolted on main body truss (1) upper end frame, the driver of pendulum hoisting gear (2) is installed on the slide block of hoisting gear transverse shifting slide rail (3), can laterally be free to slide, the elevator chain of driver (10) is connected with the snap close (30) of trigger-type unhook safety apparatus (9) on being contained in rigidity swing arm (6) lower end frame, can promote rigidity swing arm (6);
The uncoupling rigging mount pad (29) of trigger-type unhook safety apparatus (9) is connected with rigidity swing arm (6) lower end frame by bolt, uncoupling rigging mount pad (29) is connected with uncoupling rigging rotary seat (27) with bolt, uncoupling rigging rotary seat (27) is connected with dead bolt seat (28) with bearing pin, dead bolt seat (28) top is and is inserted with snap close (30) in the degree of lip-rounding, the side connects dead bolt (31) with dead bolt turning axle (32), dead bolt (31) front end is equipped with roller (36) and contacts with snap close (30) inside surface, lower outside has cylinder mount pad (34), and cylinder mount pad (34) is equipped with cylinder (33) by oscillating bearing (35), pin (37) is connected with dead bolt (31);
The detent mounting seat (19) that prevents pendulum secondary collision device is fixed by bolts on the transverse shifting base (22), energy storage braking device (18) is installed on the detent mounting seat (19), the brake disc (17) of energy storage braking device (18) is rigidly connected swing arm rotation center setting angle sensor (20) with rigidity swing arm (6) top by coupling shaft.
2. the multi-functional pendulum knock test-bed of commercial car according to claim 1 is characterized in that: rigidity swing arm (6) lower end with bolt be connected with pendulum (8), the upper end is contained on the arm shaft inner shafts.
3. the multi-functional pendulum knock test-bed of commercial car according to claim 1 is characterized in that: two flexible swing arm (25) one ends are contained in that circular pendulum hammer (26) is upper, the other end is contained on the coupling shaft of flexible swing arm mount pad (21), are positioned at the arm shaft outside.
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| CN 201220528310 CN202869771U (en) | 2012-10-16 | 2012-10-16 | Commercial vehicle multifunctional pendulum bob hitting test bed |
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| CN 201220528310 CN202869771U (en) | 2012-10-16 | 2012-10-16 | Commercial vehicle multifunctional pendulum bob hitting test bed |
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