CN217466240U - Carriage impact experiment frock - Google Patents

Abstract

The utility model relates to the technical field of vehicle experiments, in particular to a carriage impact experiment tool, which can not participate in the collision experiment of a carriage, ensures the accuracy of the experiment result and has high practicability; still include two tracks, the coaster, four rail wheels, brake mechanism, two thrust columns, two ejector pads, the connecting rod, the limiting plate, unblock motor and lockplate, two track parallel mount are on the ground, four rail wheels are installed to the skeleton below, four rail wheels respectively with two track roll connection, brake mechanism installs on the panel, the middle part of two thrust columns rotates with the middle part crossbeam of skeleton to be connected, all install the ejector pad on the upper end preceding lateral wall of two thrust columns, the rear end of connecting rod rotates with the lower extreme of two thrust columns to be connected, the front end of connecting rod rotates with the lower extreme of limiting plate to be connected, the unblock motor is installed on the panel, the rear end of lockplate and the output shaft fixed connection of unblock motor, the front end of lockplate and the spacing contact of the upper end rear wall of limiting plate.

Description

Carriage impact experiment frock

Technical Field

The utility model relates to a technical field of vehicle experiment especially relates to a carriage striking experiment frock.

Background

During the carriage striking experiment, need fix the carriage on the frock, accelerate frock and carriage to the uniform velocity to make the barrier of carriage striking experiment, assess the impaired and interior dummy's of carriage injured condition again, and issue the laboratory report, general carriage striking experiment frock is with carriage rigid connection, and the frock can participate in the collision experiment in carriage, causes the not accurate of experimental result, leads to the practicality of equipment not good.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a collision experiment in carriage can not be participated in to the frock guarantees the accurate nature of experimental result, carriage striking experiment frock that the practicality is high.

The utility model discloses a carriage impact experiment tool, still include two tracks, the coaster, four rail wheels, brake mechanism, two thrust posts, two ejector pads, the connecting rod, the limiting plate, unblock motor and lockplate, two tracks parallel mount is on the ground, the coaster is provided with skeleton and panel, both ends all are provided with the traction connecting plate around the skeleton of coaster, four rail wheels are installed to the skeleton below of coaster, four rail wheels respectively with two track roll connections, brake mechanism installs on the panel of coaster, brake mechanism is connected with four rail wheel transmission, the middle part of two thrust posts is connected with the middle part crossbeam of the skeleton of coaster through the link span hanger in a rotating way, all install the ejector pad on the upper end front side wall of two thrust posts, the rear end of connecting rod is connected with the lower extreme rotation of two thrust posts through the axostylus axostyle, the front end of connecting rod is connected with the lower extreme rotation of limiting plate, the unlocking motor is arranged on a panel of the pulley, the rear end of the locking plate is fixedly connected with an output shaft of the unlocking motor, and the front end of the locking plate is in limit contact with the rear side wall of the upper end of the limiting plate; the traction connecting plate at the front end of the tackle is connected with an external tension mechanism, the carriage is moved to the position above the tackle, the two thrust columns are erected, the two push blocks abut against a stress mechanism of the carriage, the external tension mechanism pulls the tackle to move along the two tracks in an accelerated manner, the two push blocks push the carriage to move in an accelerated manner, when the speed of the tackle and the carriage reaches a set value of an experiment, the unlocking motor drives the locking plate to turn over, the front end of the locking plate is separated from the rear side wall of the upper end of the unlocking motor, so that the limiting plate, the connecting rod and the two thrust columns are unlocked, the two thrust columns drive the two push blocks to turn over backwards, the two push blocks are separated from the carriage, the lower ends of the two thrust columns turn forwards and push the connecting rod forwards, the connecting rod pushes the lower end of the limiting plate to turn forwards, the upper end of the limiting plate turns backwards, meanwhile, the brake mechanism acts to brake the four track wheels, so that the speed of the tackle is reduced, the carriage keeps speed to advance and takes place the striking, and the coaster breaks away from with the carriage, and the frock can not participate in the collision experiment in carriage, guarantees the accurate nature of experimental result, improve equipment's practicality.

Preferably, the device also comprises two sleeves, two adjusting bolts, a transverse push beam, two transverse sliders and two positioning bolts, wherein the two sleeves are respectively sleeved on the upper parts of the two thrust columns, the two adjusting bolts are respectively and rotatably screwed on the outer walls of the two sleeves, the inner ends of the two adjusting bolts are respectively in pressing contact with the two thrust columns, the transverse push beam is horizontally arranged on the front side wall of the upper ends of the two sleeves, the two transverse sliders are slidably arranged on the transverse push beam, the two positioning bolts are rotatably screwed on the two transverse sliders, the inner ends of the two positioning bolts are respectively in pressing contact with the transverse push beam, and the two push blocks are respectively arranged on the front side walls of the two transverse sliders; the two adjusting bolts are loosened, the positions of the two sleeves on the two thrust columns are adjusted, the two adjusting bolts are locked, the height of the transverse push beam is adjusted, the two positioning bolts are loosened, the positions of the two transverse sliding blocks are adjusted along the transverse push beam, the two positioning bolts are locked, the distance between the two push blocks is adjusted, the equipment can push various carriages of different vehicle types, and the universality of the equipment is improved.

Preferably, the pulley further comprises a telescopic pipe and a tension spring, wherein one end of the telescopic pipe is rotatably connected with the shaft levers at the lower ends of the two thrust columns, the other end of the telescopic pipe is rotatably installed on the lower end face of the cross beam in the middle of the framework of the pulley through a rotating shaft, the tension spring is sleeved on the telescopic pipe, and two ends of the tension spring are respectively connected with two ends of the telescopic pipe; the pulling force effect of extension spring makes two thrust posts have the trend of overturning backward, and when lockplate and limiting plate break away from the unblock, two ejector pads break away from with the carriage is automatic to the pulling force effect of extension spring makes the axostylus axostyle of two thrust posts promote the lower extreme of limiting plate forward through the connecting rod, makes the upper end of limiting plate have the trend of overturning around, makes things convenient for the upper end of limiting plate and the spacing contact of front end of lockplate, improve equipment's practicality.

Preferably, the device also comprises a threaded pipe, the connecting rod is provided with two aligned positive and negative threaded rods, the two threaded rods are respectively and rotatably connected with the shaft levers at the lower ends of the two thrust columns and the lower end of the limiting plate, the threaded pipe is provided with a positive rotation direction internal thread, and two ends of the threaded pipe are respectively and rotatably screwed with the two positive and negative threaded rods of the connecting rod; the screwed pipe is rotated for two threaded rods of the connecting rod are close to or far away from, the connecting rod is extended by two or shortened, the angle of the limiting plate and the two thrust columns is adjusted, the two push blocks can efficiently push the stress mechanism of the carriage, and the practicability of the equipment is improved.

Preferably, the brake mechanism further comprises two axles, two brake discs, two brake calipers, a brake pump, an ABS valve and a brake oil tank, the two axles are mounted on the lower end face of the pulley frame in parallel through a plurality of brackets, the two axles are both arranged along the left-right direction, the brake discs are mounted in the middle of the two axles, the two brake calipers are mounted on the lower end face of the frame of the pulley through the brackets, the two brake calipers are respectively matched with the two brake discs, the brake pump, the ABS valve and the brake oil tank are mounted on a panel of the pulley, the brake pump, the ABS valve and the brake oil tank are connected through oil pipes, and the ABS valve is connected with the two brake calipers through oil pipes; brake oil is filled into the brake oil tank, when the speed needs to be reduced, the brake pump runs, the brake oil in the brake oil tank is pressurized by the brake pump and is conveyed to the two brake calipers through the ABS valve, the two brake discs are clamped by friction plates of the two brake calipers in a friction mode, the two brake discs drive the two axles to reduce the speed, when the two brake discs are locked by the two brake calipers, the ABS valve acts to loosen the two brake calipers, the two brake discs are prevented from being locked to cause side slipping to damage the two tracks, and the safety of equipment is improved.

Preferably, the pulley further comprises a speed sensor, a photoelectric switch and a positioning frame, wherein the speed sensor and the photoelectric switch are installed on a panel of the pulley, the photoelectric switch is provided with a photoelectric emitter, the positioning frame is installed on the outer wall of the track on one side, a reflector of the photoelectric emitter of the photoelectric switch is installed on the inner wall of the upper portion of the positioning frame, and the reflector on the positioning frame is aligned with the photoelectric reflector of the photoelectric switch; when the moving speed that speed sensor sensed the coaster reaches the speed that the experiment set for, speed sensor signals, make lockplate and brake pump operation, make the coaster slow down and break away from with the carriage, when photoelectric switch met with the locating rack, photoelectric signal that photoelectric switch's photoelectric emitter sent is the reflector reflection on the locating rack, photoelectric switch received the reflection signal, the speed of coaster this moment has reduced a lot, photoelectric switch signals control brake pump moves once more, and press from both sides two brake discs with two brake caliper's friction disc through the ABS valve tightly, make the coaster stop fast, prevent that the coaster from sliding the collision apart from overlength, improve equipment's security.

Compared with the prior art, the beneficial effects of the utility model are that: a traction connecting plate at the front end of the tackle is connected with an external tension mechanism, the carriage is moved to the position above the tackle, two thrust columns are erected to enable two push blocks to abut against a stress mechanism of the carriage, the external tension mechanism pulls the tackle to move along two rails in an accelerating manner, the two push blocks push the carriage to move in an accelerating manner, when the speed of the tackle and the carriage reaches a set value of an experiment, an unlocking motor drives a locking plate to turn over, the front end of the locking plate is separated from the rear side wall of the upper end of the unlocking motor, so that the limiting plate, the connecting rod and the two thrust columns are unlocked, the two thrust columns drive the two push blocks to turn over backwards, the two push blocks are separated from the carriage, the lower ends of the two thrust columns turn forwards and push the connecting rod forwards, the connecting rod pushes the lower end of the limiting plate to turn forwards, the upper end of the limiting plate turns backwards, meanwhile, a braking mechanism acts to brake four rail wheels, and reduce the speed of the tackle, the carriage keeps speed to advance and takes place the striking, and the coaster breaks away from with the carriage, and the frock can not participate in the collision experiment in carriage, guarantees the accurate nature of experimental result, improve equipment's practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural diagram of a thrust column, a push block, a connecting rod, a limiting plate, an unlocking motor, a locking plate, a sleeve, a transverse push beam, a transverse slider and other mechanisms;

FIG. 4 is a schematic structural view of the rail wheel and brake mechanism;

in the drawings, the reference numbers: 1. a track; 2. a pulley; 3. a rail wheel; 4. a brake mechanism; 5. a thrust column; 6. a push block; 7. a connecting rod; 8. a limiting plate; 9. unlocking the motor; 10. a locking plate; 11. a sleeve; 12. adjusting the bolt; 13. transversely pushing the beam; 14. a transverse sliding block; 15. positioning the bolt; 16. a telescopic pipe; 17. a tension spring; 18. a threaded pipe; 19. an axle; 20. a brake disc; 21. A brake caliper; 22. a brake pump; 23. an ABS valve; 24. a brake oil tank; 25. a speed sensor; 26. a photoelectric switch; 27. a positioning frame.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A carriage impact experiment tool further comprises two rails 1, a pulley 2, four rail wheels 3, a brake mechanism 4, two thrust columns 5, two push blocks 6, a connecting rod 7, a limiting plate 8, an unlocking motor 9 and a locking plate 10, wherein the two rails 1 are arranged on a foundation in parallel, the pulley 2 is provided with a framework and a panel, the front end and the rear end of the framework of the pulley 2 are respectively provided with a traction connecting plate, the four rail wheels 3 are arranged below the framework of the pulley 2, the four rail wheels 3 are respectively connected with the two rails 1 in a rolling manner, the brake mechanism 4 is arranged on the panel of the pulley 2, the brake mechanism 4 is in transmission connection with the four rail wheels 3, the middle parts of the two thrust columns 5 are rotatably connected with a middle cross beam of the framework of the pulley 2 through connecting frames, the push blocks 6 are respectively arranged on the front side walls of the upper ends of the two thrust columns 5, the rear end of the connecting rod 7 is rotatably connected with the lower ends of the two thrust columns 5 through a shaft lever, the front end of the connecting rod 7 is rotatably connected with the lower end of the limiting plate 8, the unlocking motor 9 is installed on the panel of the pulley 2, the rear end of the locking plate 10 is fixedly connected with an output shaft of the unlocking motor 9, and the front end of the locking plate 10 is in limiting contact with the rear side wall of the upper end of the limiting plate 8; a traction connecting plate at the front end of the tackle 2 is connected with an external tension mechanism, a carriage is moved to the position above the tackle 2, two thrust columns 5 are erected, two push blocks 6 abut against a stress mechanism of the carriage, the external tension mechanism pulls the tackle 2 to move along two rails 1 at an accelerated speed, the two push blocks 6 push the carriage to move at an accelerated speed, when the speed of the tackle 2 and the carriage reaches a set value of an experiment, an unlocking motor 9 drives a locking plate 10 to overturn, the front end of the locking plate 10 is separated from the rear side wall of the upper end of the unlocking motor 9, a limiting plate 8, a connecting rod 7 and two thrust columns 5 are unlocked, the two thrust columns 5 drive the two push blocks 6 to overturn backwards, the two push blocks 6 are separated from the carriage, the lower ends of the two thrust columns 5 overturn forwards and push the connecting rod 7 forwards, the connecting rod 7 pushes the lower end of the limiting plate 8 to overturn forwards, and the upper end of the limiting plate 8 overturns backwards, simultaneously 4 actions of brake mechanism brake four rail wheels 3 for the speed of coaster 2 reduces, and the carriage keeps speed to go forward and takes place the striking, and coaster 2 breaks away from with the carriage, and the frock can not participate in the collision experiment in carriage, guarantees the accurate nature of experimental result, improve equipment's practicality.

Example 2

A carriage impact experiment tool further comprises two rails 1, a pulley 2, four rail wheels 3, a brake mechanism 4, two thrust columns 5, two push blocks 6, a connecting rod 7, a limiting plate 8, an unlocking motor 9 and a locking plate 10, wherein the two rails 1 are arranged on a foundation in parallel, the pulley 2 is provided with a framework and a panel, the front end and the rear end of the framework of the pulley 2 are respectively provided with a traction connecting plate, the four rail wheels 3 are arranged below the framework of the pulley 2, the four rail wheels 3 are respectively connected with the two rails 1 in a rolling manner, the brake mechanism 4 is arranged on the panel of the pulley 2, the brake mechanism 4 is in transmission connection with the four rail wheels 3, the middle parts of the two thrust columns 5 are rotatably connected with a middle cross beam of the framework of the pulley 2 through connecting frames, the push blocks 6 are respectively arranged on the front side walls of the upper ends of the two thrust columns 5, the rear end of the connecting rod 7 is rotatably connected with the lower ends of the two thrust columns 5 through a shaft lever, the front end of the connecting rod 7 is rotatably connected with the lower end of the limiting plate 8, the unlocking motor 9 is installed on the panel of the pulley 2, the rear end of the locking plate 10 is fixedly connected with an output shaft of the unlocking motor 9, and the front end of the locking plate 10 is in limiting contact with the rear side wall of the upper end of the limiting plate 8; the two sleeves 11 are respectively sleeved on the upper parts of the two thrust columns 5, the two adjusting bolts 12 are respectively in threaded connection with the outer walls of the two sleeves 11 in a rotating mode, the inner ends of the two adjusting bolts 12 are respectively in pressing contact with the two thrust columns 5, the transverse push beam 13 is horizontally arranged on the front side wall of the upper ends of the two sleeves 11, the two transverse sliders 14 are installed on the transverse push beam 13 in a sliding mode, the two positioning bolts 15 are in threaded connection with the two transverse sliders 14 in a rotating mode, the inner ends of the two positioning bolts 15 are both in pressing contact with the transverse push beam 13, and the two push blocks 6 are respectively installed on the front side walls of the two transverse sliders 14; the pulley is characterized by further comprising a telescopic pipe 16 and a tension spring 17, wherein one end of the telescopic pipe 16 is rotatably connected with shaft levers at the lower ends of the two thrust columns 5, the other end of the telescopic pipe 16 is rotatably installed on the lower end face of a cross beam in the middle of a framework of the pulley 2 through a rotating shaft, the tension spring 17 is sleeved on the telescopic pipe 16, and two ends of the tension spring 17 are respectively connected with two ends of the telescopic pipe 16; the connecting rod 7 is provided with two aligned positive and negative threaded rods, the two threaded rods are respectively in rotating connection with the shaft levers at the lower ends of the two thrust columns 5 and the lower end of the limiting plate 8, the threaded pipe 18 is provided with a positive rotation-direction internal thread, and two ends of the threaded pipe 18 are respectively in rotating threaded connection with the two positive and negative threaded rods of the connecting rod 7; loosening two adjusting bolts 12, adjusting the positions of two sleeves 11 on two thrust columns 5 and locking two adjusting bolts 12, adjusting the height of a transverse push beam 13, loosening two positioning bolts 15, adjusting the positions of two transverse sliders 14 along the transverse push beam 13 and locking the two positioning bolts 15, adjusting the distance between two push blocks 6, enabling the equipment to push various carriages of different vehicle types, rotating a threaded pipe 18, enabling two threaded rods of a connecting rod 7 to be close to or far away from each other, enabling the connecting rod 7 to be extended for two or shortened, further adjusting the angles of a limiting plate 8 and two thrust columns 5, enabling the two push blocks 6 to efficiently push a stress mechanism of the carriage, enabling the two thrust columns 5 to have a tendency of backward overturning under the action of the tension spring 17, enabling the two push blocks 6 to automatically separate from the carriage when the locking plate 10 is separated from the limiting plate 8 and unlocked, and enabling shaft levers of the two thrust columns 5 to forward push lower portions of the limiting plate 8 through the connecting rod 7 under the action of the tension spring 17 And the upper end of the limiting plate 8 tends to tip over from front to back, so that the upper end of the limiting plate 8 is conveniently contacted with the front end of the locking plate 10 in a limiting manner, and the practicability of the equipment is improved.

Example 3

A carriage impact experiment tool further comprises two rails 1, a pulley 2, four rail wheels 3, a brake mechanism 4, two thrust columns 5, two push blocks 6, a connecting rod 7, a limiting plate 8, an unlocking motor 9 and a locking plate 10, wherein the two rails 1 are arranged on a foundation in parallel, the pulley 2 is provided with a framework and a panel, the front end and the rear end of the framework of the pulley 2 are respectively provided with a traction connecting plate, the four rail wheels 3 are arranged below the framework of the pulley 2, the four rail wheels 3 are respectively connected with the two rails 1 in a rolling manner, the brake mechanism 4 is arranged on the panel of the pulley 2, the brake mechanism 4 is in transmission connection with the four rail wheels 3, the middle parts of the two thrust columns 5 are rotatably connected with a middle cross beam of the framework of the pulley 2 through connecting frames, the push blocks 6 are respectively arranged on the front side walls of the upper ends of the two thrust columns 5, the rear end of the connecting rod 7 is rotatably connected with the lower ends of the two thrust columns 5 through a shaft lever, the front end of the connecting rod 7 is rotatably connected with the lower end of the limiting plate 8, the unlocking motor 9 is installed on the panel of the pulley 2, the rear end of the locking plate 10 is fixedly connected with an output shaft of the unlocking motor 9, and the front end of the locking plate 10 is in limiting contact with the rear side wall of the upper end of the limiting plate 8; the brake mechanism 4 further comprises two axles 19, two brake discs 20, two brake calipers 21, a brake pump 22, an ABS valve 23 and a brake oil tank 24, the two axles 19 are parallelly installed on the lower end face of the framework of the pulley 2 through a plurality of supports, the two axles 19 are all arranged along the left-right direction, the brake discs 20 are installed in the middle of the two axles 19, the two brake calipers 21 are installed on the lower end face of the framework of the pulley 2 through the supports, the two brake calipers 21 are respectively matched with the two brake discs 20, the brake pump 22, the ABS valve 23 and the brake oil tank 24 are installed on a panel of the pulley 2, the brake pump 22, the ABS valve 23 and the brake oil tank 24 are connected through oil pipes, and the ABS valve 23 is connected with the two brake calipers 21 through the oil pipes; the speed sensor 25 and the photoelectric switch 26 are mounted on a panel of the pulley 2, the photoelectric switch 26 is provided with a photoelectric emitter, the positioning frame 27 is mounted on the outer wall of the track 1 on one side, a reflector of the photoelectric emitter of the photoelectric switch 26 is mounted on the inner wall of the upper part of the positioning frame 27, and the reflector on the positioning frame 27 is aligned with the photoelectric reflector of the photoelectric switch 26; brake oil is filled into a brake oil tank 24, when a speed sensor 25 senses that the moving speed of the tackle 2 reaches an experimentally set speed, the speed sensor 25 sends a signal to enable a locking plate 10 and a brake pump 22 to operate, the brake pump 22 operates, the brake pump 22 pressurizes the brake oil in the brake oil tank 24 and conveys the brake oil to two brake calipers 21 through an ABS valve 23, friction plates of the two brake calipers 21 clamp the two brake discs 20 in a friction mode, the two brake discs 20 drive two axles 19 to decelerate, when the two brake discs 20 are locked by the two brake calipers 21, the ABS valve 23 acts to release the two brake calipers 21 to prevent the two brake discs 20 from being locked to cause sideslip damage to two rails 1 so that the tackle 2 decelerates and is separated from a carriage, when a photoelectric switch 26 meets a positioning frame 27, a photoelectric signal sent by a photoelectric emitter of the photoelectric switch 26 is reflected by a reflector on the positioning frame 27, the photoelectric switch 26 receives the reflected signal, the speed of the tackle 2 is reduced greatly at the moment, the photoelectric switch 26 sends a signal to control the brake pump 22 to operate again, and the friction plates of the two brake calipers 21 are clamped by the two brake discs 20 through the ABS valve 23, so that the tackle 2 stops quickly, the tackle 2 is prevented from being collided due to too long sliding distance, and the safety of equipment is improved.

As shown in fig. 1 to 4, the utility model relates to a carriage impact test tool, during operation, first, the traction connection board at the front end of the pulley 2 is connected with the external tension mechanism, the positions of the two sleeves 11 on the two thrust posts 5 are adjusted according to the carriage model and the two adjusting bolts 12 are locked, the height of the transverse push beam 13 is adjusted, the positions of the two transverse sliders 14 are adjusted along the transverse push beam 13 and the two positioning bolts 15 are locked, the distance between the two push blocks 6 is adjusted, the carriage is moved to the upper part of the pulley 2, the two thrust posts 5 are erected, the rotating threaded pipe 18 adjusts the erecting angles of the two thrust posts 5, so that the two push blocks 6 abut against the stressing mechanism of the carriage, the external tension mechanism pulls the pulley 2 to move along the two tracks 1 in an accelerated manner, the two push blocks 6 push the carriage to move in an accelerated manner, when the speed sensor 25 senses that the moving speed of the pulley 2 reaches the speed set by the experiment, the speed sensor 25 sends out a signal, the unlocking motor 9 drives the locking plate 10 to turn over, the front end of the locking plate 10 is separated from the rear side wall of the upper end of the unlocking motor 9, so that the limiting plate 8, the connecting rod 7 and the two thrust columns 5 are unlocked, the tension spring 17 pulls the two thrust columns 5 to drive the two push blocks 6 to turn over backwards, the two push blocks 6 are separated from the carriage, the lower ends of the two thrust columns 5 turn over forwards and push the connecting rod 7 forwards, the connecting rod 7 pushes the lower end of the limiting plate 8 to turn over forwards, the upper end of the limiting plate 8 turns over backwards, the brake pump 22 runs at the same time, the brake pump 22 pressurizes brake oil in the brake oil tank 24 and conveys the brake oil to the two brake calipers 21 through the ABS valve 23, the friction plates of the two brake calipers 21 clamp the two brake discs 20 in a friction manner, so that the two brake discs 20 drive the two axles 19 to decelerate, the speed of the pulley 2 is reduced, and the carriage keeps the speed to advance and generate impact, the pulley 2 is separated from the carriage, when the photoelectric switch 26 meets the positioning frame 27, the photoelectric signal sent by the photoelectric emitter of the photoelectric switch 26 is reflected by the reflector on the positioning frame 27, the photoelectric switch 26 receives the reflected signal, the speed of the pulley 2 is reduced greatly at the moment, the photoelectric switch 26 sends a signal to control the brake pump 22 to operate again, and the friction plates of the two brake calipers 21 clamp the two brake discs 20 through the ABS valve 23, so that the pulley 2 can be stopped quickly.

The utility model discloses the main function who realizes does: the tool cannot participate in the collision experiment of the carriage, the accuracy of the experiment result is guaranteed, and the practicability is high.

The utility model discloses a carriage impact experiment tool, the installation mode, the connection mode or the setting mode of which are all common mechanical modes, and the tool can be implemented as long as the beneficial effects can be achieved; the utility model discloses a track 1, rail wheel 3, flexible pipe 16, extension spring 17, unblock motor 9, screwed pipe 18, brake pump 22, ABS valve 23, brake oil tank 24, speedtransmitter 25, photoelectric switch 26, brake disc 20, brake caliper 21 of carriage striking experiment frock are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A carriage impact experiment tool is characterized by further comprising two rails (1), a pulley (2), four rail wheels (3), a brake mechanism (4), two thrust columns (5), two push blocks (6), a connecting rod (7), a limiting plate (8), an unlocking motor (9) and a locking plate (10), wherein the two rails (1) are parallelly installed on a foundation, the pulley (2) is provided with a framework and a panel, traction connecting plates are arranged at the front end and the rear end of the framework of the pulley (2), the four rail wheels (3) are installed below the framework of the pulley (2), the four rail wheels (3) are respectively in rolling connection with the two rails (1), the brake mechanism (4) is installed on the panel of the pulley (2), the brake mechanism (4) is in transmission connection with the four rail wheels (3), the middle parts of the two thrust columns (5) are in rotary connection with a middle cross beam of the framework of the pulley (2) through connecting frames, all install ejector pad (6) on the upper end preceding lateral wall of two thrust columns (5), the rear end of connecting rod (7) is passed through the axostylus axostyle and is connected with the lower extreme rotation of two thrust columns (5), the front end of connecting rod (7) is rotated with the lower extreme of limiting plate (8) and is connected, unblock motor (9) are installed on the panel of coaster (2), the rear end of lockplate (10) and the output shaft fixed connection of unblock motor (9), the front end of lockplate (10) and the spacing contact of the upper end rear wall of limiting plate (8).

2. The car body impact experiment tool according to claim 1, further comprising two sleeves (11) and two adjusting bolts (12), violently push away roof beam (13), two horizontal sliders (14) and two positioning bolt (15), two sleeve pipes (11) suit respectively on the upper portion of two thrust post (5), two adjusting bolt (12) rotate the spiro union respectively on the outer wall of two sleeve pipes (11), the inner of two adjusting bolt (12) is with two thrust post (5) pressure tight contact respectively, violently push away roof beam (13) horizontal installation is on the preceding lateral wall of the upper end of two sleeve pipes (11), two horizontal slider (14) slidable mounting are on violently push away roof beam (13), two positioning bolt (15) rotate the spiro union on two horizontal sliders (14), the inner of two positioning bolt (15) all with violently push away roof beam (13) pressure tight contact, install respectively on the preceding lateral wall of two horizontal slider (14) two ejector pad (6).

3. The carriage impact experiment tool according to claim 2, further comprising a telescopic pipe (16) and a tension spring (17), wherein one end of the telescopic pipe (16) is rotatably connected with a shaft lever at the lower end of the two thrust columns (5), the other end of the telescopic pipe (16) is rotatably installed on the lower end face of a cross beam in the middle of the framework of the pulley (2) through a rotating shaft, the tension spring (17) is sleeved on the telescopic pipe (16), and two ends of the tension spring (17) are respectively connected with two ends of the telescopic pipe (16).

4. The carriage impact experiment tool according to claim 3, further comprising a threaded pipe (18), wherein the connecting rod (7) is provided with two aligned positive and negative threaded rods, the two threaded rods are respectively rotatably connected with the shaft rods at the lower ends of the two thrust columns (5) and the lower end of the limiting plate (8), the threaded pipe (18) is provided with a positive-rotation-direction internal thread, and two ends of the threaded pipe (18) are respectively rotatably screwed with the two positive and negative threaded rods of the connecting rod (7).

5. The car body impact experiment tool according to claim 1, wherein the brake mechanism (4) further comprises two axles (19), two brake discs (20), two brake calipers (21), a brake pump (22), an ABS valve (23) and a brake oil tank (24), the two axles (19) are parallelly installed on the lower end face of the framework of the pulley (2) through a plurality of supports, the two axles (19) are all arranged along the left and right direction, the brake discs (20) are installed in the middle of the two axles (19), the two brake calipers (21) are installed on the lower end face of the framework of the pulley (2) through supports, the two brake calipers (21) are respectively matched with the two brake discs (20), the brake pump (22), the ABS valve (23) and the brake oil tank (24) are installed on the panel of the pulley (2), and the brake pump (22), the ABS valve (23) and the brake oil tank (24) are connected through oil pipes, the ABS valve (23) is connected with the two brake calipers (21) through an oil pipe.

6. The vehicle compartment impact experiment tool according to claim 5, further comprising a speed sensor (25), a photoelectric switch (26) and a positioning frame (27), wherein the speed sensor (25) and the photoelectric switch (26) are installed on a panel of the trolley (2), the photoelectric switch (26) is provided with a photoelectric emitter, the positioning frame (27) is installed on the outer wall of the track (1) on one side, a reflector of the photoelectric emitter of the photoelectric switch (26) is installed on the inner wall of the upper portion of the positioning frame (27), and the reflector on the positioning frame (27) is aligned with the photoelectric reflector of the photoelectric switch (26).

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