CN218211862U - Simulated collision platform for impact test - Google Patents

Abstract

The utility model relates to a simulation collision platform technical field particularly relates to a simulation collision platform for striking test, including collision platform, collision dolly and control platform, the collision dolly includes four groups of aligning wheelsets, each group of aligning wheelset includes that the vertical horizontal plane sets up the first rail wheel at the guide rail top and sets up the second rail wheel in the guide rail outside, the contained angle between the axis of second rail wheel and the axis of first rail wheel sets up fifty degrees; through setting up small-size collision platform, can be to small-size recreational vehicles striking test, the striking condition of different speeds in the dummy man is driven to the vehicle, and then carries out optimal design to relevant product, plays the purpose of experiment striking to set up aligning wheelset and aligning mechanism on the collision dolly, make dolly self can go straight line, also can carry out the curve and go, simulate different motion state, and the preparation requirement to the guide rail is not high.

Description

A simulation collision platform for striking test

Technical Field

The utility model relates to a simulation collision platform technical field particularly relates to a simulation collision platform for striking test.

Background

The impact test is a destructive test, and generally tests whether the impact resistance and the impact compatibility of various vehicles or related systems and components meet safety design standards, and the impact test requires forced pressure test on vehicle body parts, currently, impact test platforms are generally applied to the field of automobiles, and are mostly used for impact tests of larger objects,

generally, impact platforms are large in size and high in investment cost, small impact platforms are hardly available in the market, particularly for rail or wheeled vehicles in entertainment facilities, such as amusement trains, roller coasters and the like, because the size of the vehicle is usually small and exquisite, the impact test platform is relatively small, and large impact platforms are not only high in cost but also not suitable for impact tests of small vehicles, so that a simulation impact platform for impact tests of small entertainment vehicles is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simulation collision platform for striking test, include:

the collision platform comprises a main body frame and two guide rails which are fixedly arranged on the main body frame and distributed in parallel;

the collision trolley is arranged above the main body frame and can move along the guide rail;

the driving mechanism is arranged in the main body frame and is used for driving the collision trolley to move along the guide rail;

the console is electrically connected with the driving mechanism and is used for controlling the starting, the stopping and the speed regulation of the driving mechanism;

wherein, the collision dolly includes that four groups roll and is in the aligning wheelset in the guide rail outside, defines two one side between the guide rail is the inboard, and the opposite side is the outside, every group the aligning wheelset includes that perpendicular horizontal plane sets up the first rail wheel at guide rail top and setting are in the second rail wheel in the guide rail outside, the axis of second rail wheel with the contained angle sets up to 40- +/-60 degrees between the axis of first rail wheel, first rail wheel and second rail wheel all rotate and install on folded plate seat, the folded plate seat is used for the restriction contained angle between second rail wheel, the first rail wheel.

Preferably, the guide rail is configured as a straight line, an arc line or an "S" shaped rail having a circular cross section.

Preferably, main body frame's both ends are equipped with driving wheel case and driven wheel case respectively, actuating mechanism is including installing driving motor, the driving wheel group of driving wheel incasement portion and installing driven wheel group of driven wheel incasement portion, the hold-in range is installed in the transmission between driving wheel group and the driven wheel group, driving motor is connected with the driving wheel group transmission and is used for the drive hold-in range transmission, driving motor with it connects to control the platform electricity.

Preferably, the collision dolly includes vehicle body frame and fixed the setting is in the seat and the steering wheel at vehicle body frame top, vehicle body frame's bottom intermediate position is along the fixed longeron that is equipped with of length direction, the front and back end of longeron is all rotated and is installed the dolly axle, just aligning mechanism is installed with the junction of longeron to the dolly axle, makes can swing relatively between dolly axle and the longeron, every the equal fixed mounting in both ends of dolly axle has the aligning wheelset.

Preferably, the bottom fixed mounting of longeron has two sets of links, the bottom of link is fixed to be equipped with can the centre gripping to be fixed hold-in range clamp plate on the hold-in range, makes body frame can follow hold-in range synchronous motion.

Preferably, the two sides of the vehicle body frame are fixedly provided with anti-roll plates, and the anti-roll plates are arranged to cover the bottom sides and the outer sides of the guide rails in an L shape

Preferably, the timing belt is disposed between the two guide rails in a horizontal or vertical posture.

Preferably, the buffer is fixedly arranged on one side surface of the driving wheel box opposite to the driven wheel box.

Preferably, guardrails are fixedly arranged on two sides of the top of the main body frame along the path direction of the collision trolley, and a plurality of groups of supporting legs are fixedly arranged on the bottom of the main body frame along the length direction.

Preferably, the console includes a console body and a touch panel fixed to a top of the console body, and the touch panel is electrically connected to the console body.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a set up small-size collision platform, can be to small-size recreational vehicles striking test, the striking condition of anthropomorphic dummy different speeds in vehicle driving, and then carry out optimal design to relevant product to set up aligning wheelset and aligning mechanism on the collision dolly, make dolly self can straight line travel, also can carry out the curve and travel, simulate different motion state, and the preparation requirement to the guide rail is not high.

Drawings

The figures are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a collision simulation platform for impact test according to an embodiment of the present invention;

FIG. 2 is a top view of a crash platform of the simulated crash platform for impact testing in accordance with an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view along the line A-A in FIG. 2;

FIG. 4 is a cross-sectional view along line B-B of FIG. 2;

fig. 5 is a schematic view of a three-dimensional structure of a collision trolley in a simulated collision platform for collision test according to an embodiment of the present invention;

fig. 6 is a schematic view of a side-up perspective structure of a collision trolley in the collision simulation platform for collision test according to the embodiment of the present invention;

fig. 7 is a schematic side-up perspective view of a small axle and a center wheel set in the simulation collision platform for collision test according to the embodiment of the present invention;

fig. 8 is a schematic sectional structure view of a small axle and a center wheel set in the simulation collision platform for impact test according to the embodiment of the present invention.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.

Aiming at the small-sized impact platform which is hardly used for the impact test of the rail or wheel type vehicles in the entertainment facilities in the market at present, such as an amusement small train, a roller coaster and the like, a simulation impact platform for the impact test of the small-sized entertainment vehicles is provided, because the volume of the vehicle is usually small, the platform required by the impact test is relatively small, the vehicle is specially suitable for the small-sized vehicles, and the construction cost of the impact platform can be reduced.

Combine figure 1 to show, the utility model provides a simulation collision platform for striking test mainly includes collision platform 1, collision dolly 2 and controls platform 3.

Wherein, collision platform 1 includes main body frame 11 and two parallel distribution's of fixed setting guide rail 15 on main body frame 11, specifically, main body frame 11 adopts two 6 meters long rectangular pipe to make, and guide rail 15 adopts two 6 meters long circular pipes to make, constructs main body frame with this, because use the standard component, the purchase is convenient, because again is the whole piece, so for the welding of two sections tubular products, the partial axiality of guide rail 15 on main body frame 11 is better, the holistic mechanical properties of main body frame 11 is better.

Further, the crash cart 2 is disposed above the main body frame 11 and is movable along the guide rail 15, and the driving mechanism 4 is disposed in the main body frame 11 and is configured to drive the crash cart 2 to move along the guide rail 15.

Referring to fig. 2 and 3, the two ends of the main frame 11 are respectively provided with a driving wheel box 13 and a driven wheel box 14, the driving mechanism 4 includes a driving motor 41 installed inside the driving wheel box 13, a driving wheel set 42 and a driven wheel set 44 installed inside the driven wheel box 14, a synchronous belt 43 is installed between the driving wheel set 42 and the driven wheel set 44 in a transmission manner, the driving motor 41 is in transmission connection with the driving wheel set 42 and is used for driving the synchronous belt 43 in a transmission manner, and the driving motor 41 is electrically connected with the console 3.

Specifically, driving wheel case 13 and driven wheel case 14 all are set up to the cross-section for trapezoidal four-edge terrace cover body, adopt corrosion resistant plate to make, and the screw has all been seted up to four corners department, can install on main body frame 11 with the spiro union mode, and all are provided with handle 17 on driving wheel case 13 and the driven wheel case 14 to make things convenient for dismantlement driving wheel case 13 and driven wheel case 14 to maintain the drive mechanism of inside.

Wherein the below of driving wheel case 13 sets up driving motor 41 and driving wheel group 42, driving motor 41 adopts three-phase asynchronous motor, three-phase asynchronous motor simple structure, low price, sturdy and durable, the operating efficiency is higher, driving wheel group 42 adopts a main shaft and a driving pulley, the below of driven wheel case 14 sets up a driven shaft and driven pulley, hold-in range 43 ring cover is in the outside of two band pulleys, the output shaft of driving motor 41 passes through belt transmission drive main shaft and rotates, the last driving pulley of main shaft drives the action of driven pulley through hold-in range 43 again, form belt transmission, utilize the orbit change of hold-in range 43, make collision dolly 2 along the direction motion of belt transmission.

Therefore, the collision trolley 2 is driven to move on the guide rail 15 in a simple and reliable transmission mode, the effect of collision test is achieved, the structure of the collision platform is simplified, the collision platform is miniaturized, the collision test device is suitable for the collision test of small recreational vehicles, and the collision test device has the advantages of being simple and reliable in structure and low in construction cost.

Further, the guide rails 15 are provided as linear, arc-shaped or "S" shaped rails having a circular cross section, and the timing belt 43 is disposed between the two guide rails 15 in a horizontal or vertical posture.

As shown in fig. 1 to 3, in the preferred embodiment, the guide rail 15 is provided in a straight line shape, and the timing belt 43 is provided in a horizontal posture.

According to the use environment of the vehicle, such as a curved track or a track type track arranged in an amusement park, the guide rails 15 may further be provided with an arc-shaped or "S" shaped track, at this time, the synchronous belt 43 is disposed between the two guide rails 15 in a vertical posture, and guide wheels may be disposed on both sides of the synchronous belt 43, so that the movement track of the synchronous belt 43 is parallel to the guide rails 15, and the force of the collision trolley 2 on the guide rails 15 is always directed toward the movement direction, so as to simulate a real movement state.

As shown in fig. 1 to 3, a damper 16 is fixedly mounted on each of opposite side surfaces of the driving wheel box 13 and the driven wheel box 14.

Specifically, buffer 16 is set up to the cylinder, and buffer 16 material is polyurethane, can alleviate partly striking impulsive force to the noise that produces when reducing the striking, the fixed threaded rod that sets up of one end of buffer 16 is equipped with corresponding screw hole on corresponding driving wheel case 13, the driven wheel case 14, and buffer 16 can be installed driving wheel case 13 or driven wheel case 14 with the spiro union mode on, and it is more convenient to make the installation of buffer 16 dismantle.

Furthermore, in order to avoid personnel from entering the moving area of the collision trolley 2, guardrails 12 are fixedly arranged on the top of the main body frame 11 along the two sides of the path direction of the collision trolley 2, the guardrails 12 are made of stainless steel or aluminum alloy plates, the height of each guardrail is 20-30 cm, and the guardrails are installed on the main body frame 11 in a threaded connection mode to play a role in protection.

Furthermore, in order to make the collision platform 1 more stable and lower noise in the operating state, the bottom of the main frame 11 is fixedly provided with a plurality of sets of supporting legs 111 along the length direction, the supporting legs 111 are made of angle steel or channel steel and are installed on the base in a screwed manner, and a rubber pad is installed between the supporting legs 111 and the base, so that the shock absorption and noise reduction effects are achieved.

As shown in fig. 4 to 6, the crash cart 2 includes a body frame 21, and a seat 22 and a steering wheel 23 fixedly provided on the top of the body frame 21.

The vehicle body frame 21 comprises a rectangular frame formed by welding rectangular pipes and a cover body welded at the front end of the top, the seat 22 is arranged on the rear side of the cover body and fixed to the top of the rectangular frame in a threaded connection mode, the seat 22 adopts a real vehicle seat and is provided with a safety belt fixing frame, a three-point safety belt can be worn, the steering wheel 23 is arranged on the top of the cover body, the steering wheel 23 adopts a real vehicle steering wheel and is provided with a steering wheel adjusting mechanism, and the real vehicle condition is simulated.

Further, as shown in fig. 7, a longitudinal beam 211 is fixedly disposed at a bottom middle position of the body frame 21 along the length direction, small axles 27 are rotatably mounted at front and rear ends of the longitudinal beam 211, and a self-aligning wheel set 26 is fixedly mounted at both ends of each small axle 27.

Specifically, as shown in fig. 8, the longitudinal beam 211 is a stainless steel pipe with a rectangular cross section, the cart shaft 27 traverses the longitudinal beam 211, and an aligning mechanism 271 is installed at a joint of the cart shaft 27 and the longitudinal beam 211, the aligning mechanism 271 mainly comprises a radial spherical plain bearing 271a, a hole retainer ring 271b, a limit sleeve 271c and a shaft retainer ring 271d, so that the cart shaft 27 can swing at the longitudinal beam 211 with a certain amplitude, and the cart is endowed with an aligning function, so that the cart can do linear motion and also do curvilinear motion, and the stability of rotation of the cart shaft 27 is ensured, and a deep groove ball bearing 272 is installed at a joint of the cart shaft 27 and the self-aligning wheel set 26, so that the friction resistance when the self-aligning wheel set 26 rotates can be reduced.

Further, it is defined that one side between the two guide rails 15 is an inner side, and the other side is an outer side, each set of self-aligning pulley 26 includes a first rail wheel 262 disposed on the top of the guide rail 15 and a second rail wheel 263 disposed on the outer side of the guide rail 15, an included angle between an axis of the second rail wheel 263 and an axis of the first rail wheel 262 is set to ± 40 to ± 60 degrees, the first rail wheel 262 and the second rail wheel 263 are both rotatably mounted on the folded plate seat 261, and the folded plate seat 261 is used for limiting an included angle between the second rail wheel 263 and the first rail wheel 262.

In a preferred embodiment, the included angle between the axis of the second track wheel 263 and the axis of the first track wheel 262 is set to 50 degrees, so that the two guide wheels in each set of self-aligning wheel set 26 can better grip the guide rail 15, wherein the diameter of the cambered surface of the guide wheel is slightly larger than the diameter of the guide rail 15, which enables the guide wheel to rotate, meanwhile, the contact area is moderate, and gaps are left between the wheels on the other two sides and the guide rail 15, so that the guide rail 15 does not interfere with the bending movement of the trolley, and a certain overturn prevention effect is achieved.

The folded plate seat 261 is formed by bending a high-strength steel plate, reinforcing ribs are arranged, the rail wheel is fixedly installed on the folded plate seat 261 through bolts, the rail wheel can rotate around the bolts as a shaft, and the upper end of the folded plate seat 261 is fixedly sleeved with a ring sleeve in a welding mode and is fixedly sleeved on the outer side of the deep groove ball bearing 272.

Further, as shown in fig. 3 and 4, two sets of connecting frames 212 are fixedly mounted at the bottom of the longitudinal beam 211, and a timing belt pressing plate 25 capable of clamping and fixing the timing belt 43 is fixedly arranged at the bottom of the connecting frames 212, so that the vehicle body frame 21 can move synchronously along with the timing belt 43.

Wherein, link 212 adopts the cross-section to make for the steelframe of rectangle, bottom spiro union installation hold-in range clamp plate 25, hold-in range clamp plate 25 is made with two parallel distribution's steel sheet, interval between the steel sheet can be adjusted with the bolt, when using, press from both sides hold-in range clamp plate 25 in the outside of hold-in range 43 and screw up the bolt, make hold-in range clamp plate 25 and hold-in range 43 between keep fixed, so, when hold-in range 43 moves, can synchronous drive collision dolly 2 removal of dolly

Further, as shown in fig. 5 and 6, the two sides of the body frame 21 are both fixedly provided with the anti-roll plates 24, the anti-roll plates 24 are arranged to be coated on the bottom side and the outer side of the guide rail 15 in an L shape, and when the collision trolley 2 is inclined, the anti-roll plates 24 can hook the guide rail 15 to play a certain limiting role, so as to prevent the collision trolley 2 from falling off from the guide rail 15.

As shown in fig. 1, the console 3 is electrically connected to the driving mechanism 4 and is used for controlling the start, stop and speed of the driving mechanism 4.

In a specific embodiment, the console 3 includes a console body 31 and a touch panel 32 fixed to the top of the console body 31, the touch panel 32 is electrically connected to the console body 31, wherein the electrical device is integrated inside the console body 31, and a three-phase frequency converter is disposed inside the console body 31, so that the rotating speed of the driving motor 41 can be changed within a certain range, and further the traveling speed of the collision trolley 2 can be controlled, and the touch panel 32 is designed to start, stop, change the speed and other simple operations according to actual requirements.

Further, as shown in fig. 2, the main frame 11 has a travel switch 18 near each end, and the travel switches 18 are used for receiving a position signal of the crash cart 2 and have an automatic reset function.

So, collision platform 1 provides power through three-phase asynchronous motor, three-phase motor passes through hold-in range 43 and drives 2 movements of collision dolly, through controlling platform 3 control derailleur, converter adjustment speed, realize different impact velocity, simultaneously, according to the travel switch 18 that sets up on collision platform 1, collision dolly 2 traveles corresponding position and can touch travel switch 18, the PLC of controlling in the platform main part 31 can receive the signal, start according to the procedure of writing, stop or make the motor upset, finally realize the striking of platform.

By combining the above embodiments, the impact conditions of different speeds of a human being in vehicle driving are simulated by arranging the small-sized impact platform 1, so that related products are optimally designed, the purpose of experimental impact is achieved, and the self-aligning wheel set 26 and the self-aligning mechanism 271 are arranged on the impact trolley 2, so that the trolley can run linearly or in a curve, different motion states are simulated, and the requirement on the manufacture of the guide rail is not high.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims (10)

1. A simulated crash platform for crash testing, comprising:

the collision platform (1) comprises a main body frame (11) and two guide rails (15) which are fixedly arranged on the main body frame (11) and distributed in parallel;

a collision trolley (2) arranged above the main body frame (11);

the driving mechanism (4) is arranged in the main body frame (11) and is used for driving the collision trolley (2) to move along the guide rail (15);

the control platform (3) is electrically connected with the driving mechanism (4) and is used for controlling the starting, stopping and speed regulation of the driving mechanism (4);

wherein, collision dolly (2) include that four groups roll and are in guide rail (15) outside self-aligning wheelset (26), define two one side between guide rail (15) is the inboard, and the opposite side is the outside, and every group self-aligning wheelset (26) include that vertical horizontal plane sets up first rail wheel (262) at guide rail (15) top and setting are in second rail wheel (263) in guide rail (15) outside, the axis of second rail wheel (263) with the contained angle sets up to 40- +/-60 degrees between the axis of first rail wheel (262), first rail wheel (262) and second rail wheel (263) all rotate and install on folded plate seat (261), folded plate seat (261) is used for restricting the contained angle between second rail wheel (263), first rail wheel (262).

2. A crash platform according to claim 1 characterised in that the rail (15) is provided as a straight, arcuate or "S" shaped rail of circular cross-section.

3. The impact simulation platform for impact test according to claim 1, wherein a driving wheel box (13) and a driven wheel box (14) are respectively disposed at two ends of the main body frame (11), the driving mechanism (4) comprises a driving motor (41) and a driving wheel set (42) which are mounted inside the driving wheel box (13) and a driven wheel set (44) which is mounted inside the driven wheel box (14), a synchronous belt (43) is mounted between the driving wheel set (42) and the driven wheel set (44), the driving motor (41) is in transmission connection with the driving wheel set (42) and is used for driving the synchronous belt (43), and the driving motor (41) is electrically connected with the console (3).

4. The simulation collision platform for collision test according to claim 3, characterized in that the collision trolley (2) comprises a trolley frame (21) and a seat (22) and a steering wheel (23) fixedly arranged at the top of the trolley frame (21), a longitudinal beam (211) is fixedly arranged at the middle position of the bottom of the trolley frame (21) along the length direction, a small axle (27) is rotatably arranged at the front end and the rear end of the longitudinal beam (211), a centering mechanism (271) is arranged at the joint of the small axle (27) and the longitudinal beam (211), so that the small axle (27) and the longitudinal beam (211) can swing relatively, and each of the two ends of the small axle (27) is fixedly arranged with the centering wheel set (26).

5. The simulated collision platform for the collision test according to claim 4, characterized in that two sets of connecting frames (212) are fixedly installed at the bottom of the longitudinal beam (211), and a synchronous belt pressing plate (25) capable of clamping and fixing the synchronous belt (43) is fixedly arranged at the bottom of the connecting frames (212), so that the vehicle body frame (21) can move synchronously along with the synchronous belt (43).

6. The crash platform for impact testing as claimed in claim 4, wherein the car body frame (21) is fixed with anti-roll plates (24) on both sides, the anti-roll plates (24) are arranged to cover the bottom side and the outer side of the guide rail (15) in an "L" shape.

7. A simulated crash platform for impact testing according to claim 3 wherein said timing belt (43) is disposed between two of said rails (15) in a horizontal or vertical attitude.

8. The crash platform for impact testing as claimed in claim 3 wherein a bumper (16) is fixedly mounted on each of the opposite sides of the driving wheel box (13) and the driven wheel box (14).

9. The collision simulation platform for the impact test according to claim 1, characterized in that the top of the main frame (11) is fixedly provided with a guardrail (12) along both sides of the collision trolley (2) along the path direction, and the bottom of the main frame (11) is fixedly provided with a plurality of groups of supporting legs (111) along the length direction.

10. The simulated crash platform for crash testing as claimed in claim 1, wherein said console (3) comprises a console body (31) and a touch panel (32) fixed to the top of said console body (31), said touch panel (32) being electrically connected with the console body (31).

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