CN114136661A

CN114136661A - Automobile collision test impulse measuring device

Info

Publication number: CN114136661A
Application number: CN202111463277.4A
Authority: CN
Inventors: 陈银岗
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-03-04

Abstract

The invention discloses an impulse measuring device for automobile collision test, which comprises a base and a top plate, wherein the upper end of the base is slidably connected with a collision bearing block, the lower end of the top plate is fixedly connected with a fixed pulley, the interior of a supporting frame is slidably connected with a balancing weight, a traction rope is bolted between a bolt connecting piece and an external connecting plate, three groups of additional blocks are further arranged in the supporting frame, the inner ends of two groups of adapter rods are fixedly connected with a first positioning rod, and the interior of the supporting frame is slidably connected with a second positioning rod. According to the invention, firstly, the impulse generated by the automobile in the collision process can be visually observed through the rising height of the balancing weight, secondly, the weight of the balancing weight is adjusted according to the collision strength of the automobile, so that the application range of the measuring device is improved, and finally, the impulse generated in the automobile collision test is calculated according to the height data recorded by the marking pen, so that the accurate data of impulse measurement is obtained, and the measurement and the recording of the measurement record by experimenters are convenient.

Description

Automobile collision test impulse measuring device

Technical Field

The invention belongs to the technical field of automobile collision tests, and particularly relates to an automobile collision test impulse measuring device.

Background

The automobile collision test is an important item of an automobile safety test and can be used for evaluating the passive safety performance of an automobile after collision, the collision test can be divided into a simulation collision test and an actual collision test, the simulation collision test is to replace an actual automobile by a collision simulation device, the actual collision test is to use the actual automobile to collide, the automobile is fixed on a trolley with a track and is pulled by a cable to accelerate to a specified collision speed and then collides to a fixed barrier.

When the car carries out the collision test, need prepare various measuring instruments in advance, after in order to ensure the car and accomplish the collision, can obtain diversified car collision data, thereby ensure that the experimenter more comprehensively knows the safety protection performance of car when the collision, however in the current car collision test, the experimenter often is difficult to the direct impulse that produces of observing the car collision in-process, and be subject to the place space of collision test, current measuring device is difficult to measure the car collision of high strength.

Disclosure of Invention

The invention aims to: in order to solve the technical problem of reality existence, provide an automobile collision test impulse measuring device.

The technical scheme adopted by the invention is as follows: an automobile collision test impulse measuring device comprises a base and a top plate arranged on the upper side of the base, wherein the upper end of the base is fixedly connected with a frame plate, one side of the upper end of the base, which is far away from the frame plate, is fixedly connected with a baffle plate, the upper end of the base is positioned between the frame plate and the baffle plate and is slidably connected with a collision block, the outer end of the collision block is fixedly connected with an impact plate, the upper end of the collision block is fixedly connected with an outer connecting plate, the lower end of the top plate is fixedly connected with a supporting frame, the lower end of the top plate is positioned on the inner side of the supporting frame and is fixedly connected with a fixed pulley, the inner part of the supporting frame is slidably connected with a balancing weight, the inner end of the balancing weight is fixedly connected with a bolt connecting piece, a traction rope is bolted between the bolt connecting piece and the outer connecting plate, the traction rope is wound on the outer side of the fixed pulley, three groups of additional blocks are further arranged in the inner part of the supporting frame, the outer end of the supporting frame is fixedly connected with a side connecting plate, the utility model discloses a side joint board, including side joint board, driving motor, pivot, support frame, support arm, additional piece, the inside sliding connection of side joint board has two sets of switching poles that are the symmetric distribution, and is two sets of the first locating lever of the equal fixedly connected with in inner of switching pole, driving motor's outer end is installed to the outer end of side joint board, driving motor's output runs through to the inboard transmission of side joint board and is connected with the pivot, the outer end fixedly connected with of pivot distributes and the switching pole that the sliding connection piece used with the axle center, the outer end fixedly connected with branch of pivot, the inside sliding connection of support arm and branch has the slot that cooperation first locating lever and second locating lever pegged graft still inside of additional piece.

Wherein, the inside of frame plate runs through and is seted up the hole groove with the impingement plate adaptation.

The outer end of the collision bearing block is fixedly connected with two groups of side plates which are symmetrically distributed, and a sliding rod which penetrates through the side plates and is in sliding connection with the side plates is fixedly connected between the frame plate and the baffle.

Wherein, the inside of balancing weight and three groups of additional blocks all rotates and is connected with the gyro wheel that is the symmetric distribution.

The inside of the supporting frame is provided with a sliding connection groove matched with the balancing weight and the additional block to slide, and the inside of the supporting frame is positioned on the outer side of the sliding connection groove and is provided with a limiting rail matched with the rolling wheel to roll.

Wherein, the inside of side fishplate bar has the gliding spout of cooperation sliding connection piece.

The interior of the adapter rod is provided with a driving groove matched with the sliding block to slide.

Wherein, the outer end fixedly connected with arm lock of balancing weight, and the outside that runs through to the bracket frame is held in the extension of arm lock, the outer end of bracket frame is located the outside fixedly connected with of arm lock and is the range finding board of symmetric distribution.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the frame plate and the baffle plate are arranged on the base, the collision bearing block is arranged on the base, the impact plate is arranged on the collision bearing block, the fixed pulley and the supporting frame are arranged on the top plate, the balancing weight is arranged in the supporting frame, the traction rope is arranged between the balancing weight and the bearing block and wound on the outer side of the fixed pulley, the impact plate drives the collision bearing block to slide along the sliding rod under the impact force generated by automobile collision, the bearing block pulls the balancing weight through the traction rope, at the moment, the balancing weight vertically moves upwards, and the impulse generated by an automobile in the collision process can be intuitively observed by experimenters through the ascending height of the balancing weight.

2. In the invention, an additional block and a second positioning rod are arranged in a carrier frame, a side connecting plate is arranged on the carrier frame, a driving motor is arranged on the side connecting plate, an adapter rod, a rotating shaft and a sliding connecting block are arranged in a frame plate, a first positioning rod and a sliding block are arranged on the sliding connecting block, a supporting rod is arranged on the rotating shaft, a supporting arm is arranged between the supporting rod and the second positioning rod, the driving motor is started to drive the rotating shaft to rotate so as to drive the adapter rod to rotate, the first positioning rod is driven to slide outwards through the sliding fit of a driving groove and the sliding block, when the second positioning rod is inserted into a slot in the additional block, the first positioning rod is separated from the slot of the lowest additional block, the additional block falls onto a balancing weight, the additional block slides from the top of the sliding connecting groove along with the continuous rotation of the rotating shaft, the weight of the balancing weight is continuously increased, according to the strength of automobile collision, the weight of balancing weight is adjusted to improve measuring device's application scope.

3. According to the invention, the clamping arm is arranged on the balancing weight, the ranging plate is arranged on the supporting frame, the balancing weight drives the marking pen to move upwards along the vertical direction, the marking pen leaves a lifting track of the balancing weight on the ranging plate, the lifting height of the balancing weight is recorded, and impulse generated in an automobile collision test is calculated according to height data recorded by the marking pen, so that accurate data of impulse measurement is obtained, and experimenters can conveniently measure, calculate and record measurement records.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a rear cross-sectional view of the present invention;

FIG. 4 is a side cross-sectional view of the present invention;

FIG. 5 is a side cross-sectional view of the junction of the side frame plate and the carrier of the present invention;

fig. 6 is a partial enlarged view of the present invention at a.

The labels in the figure are: 1. a base; 2. a frame plate; 201. a hole groove; 3. a bearing block; 4. a side plate; 5. an outer connecting plate; 6. an impact plate; 7. a baffle plate; 8. a slide bar; 9. a top plate; 10. a fixed pulley; 11. a hauling rope; 12. a supporting frame; 1201. a sliding connection groove; 1202. a limit rail; 13. a balancing weight; 1301. a bolting member; 1302. clamping arms; 14. an additional block; 15. a roller; 16. a side joint plate; 1601. a chute; 17. a rotating shaft; 18. a transfer lever; 1801. a drive slot; 19. a first positioning rod; 20. a sliding connection block; 21. a slider; 22. a strut; 23. a support arm; 24. a second positioning rod; 25. a drive motor; 26. a distance measuring plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, an impulse measuring device for automobile collision test comprises a base 1 and a top plate 9 arranged on the upper side of the base 1, wherein the upper end of the base 1 is fixedly connected with a frame plate 2, one side of the upper end of the base 1 far away from the frame plate 2 is fixedly connected with a baffle plate 7, the upper end of the base 1 is positioned between the frame plate 2 and the baffle plate 7 and is slidably connected with a collision block 3, the outer end of the collision block 3 is fixedly connected with an impact plate 6, the upper end of the collision block 3 is fixedly connected with an outer connection plate 5, the lower end of the top plate 9 is fixedly connected with a support frame 12, the lower end of the top plate 9 is positioned on the inner side of the support frame 12 and is fixedly connected with a fixed pulley 10, the inner part of the support frame 12 is slidably connected with a counterweight block 13, the inner end of the counterweight block 13 is fixedly connected with a bolt 1301, a traction rope 11 is bolted between the bolt 1301 and the outer connection plate 5, the traction rope 11 is wound on the outer side of the fixed pulley 10, three groups of additional blocks 14 are arranged in the support frame 12, the outer end of the bracket 12 is fixedly connected with a side receiving plate 16, the inner part of the side receiving plate 16 is connected with two groups of adapter rods 18 which are symmetrically distributed in a sliding way, the inner ends of the two groups of adapter rods 18 are fixedly connected with a first positioning rod 19, the outer end of the side receiving plate 16 is provided with a driving motor 25, the output end of the driving motor 25 penetrates through the inner side of the side receiving plate 16 to be connected with a rotating shaft 17 in a transmission way, the outer end of the rotating shaft 17 is fixedly connected with the adapter rods 18 which are coaxially distributed and matched with a sliding connection block 20 for use, the outer end of the rotating shaft 17 is fixedly connected with a supporting rod 22, the inner part of the bracket 12 is connected with a second positioning rod 24 in a sliding way, a supporting arm 23 is rotatably connected between the second positioning rod 24 and the supporting rod 22, the inner part of the additional block 14 is also provided with a slot which is matched with the first positioning rod 19 and the second positioning rod 24 for insertion, when an automobile to be tested impacts on the impact plate 6, the balancing weight 13 moves upwards along the sliding connection slot 1201, through the height that balancing weight 13 rises, can help the audio-visual impulse that the car produced at the striking in-process of observing of experimenter, break away from the slot of the additional piece 14 of downside when first locating lever 19, this additional piece 14 will drop on balancing weight 13 this moment, thereby make this impulse measuring device can carry out impulse detection to the great car striking of intensity, along with the continuation rotation of pivot 17, branch 22 will pass through support arm 23 pulling second locating lever 24, pull second locating lever 24 away from the slot of the additional piece 14 in intermediate level, the additional piece 14 in intermediate level slips from the top of sliding connection groove 1201 this moment, continue to increase the weight of balancing weight 13, the experimenter can be according to the intensity of car striking, adjust the weight of balancing weight 13, thereby improve measuring device's application scope.

Referring to fig. 1-5, a hole groove 201 matched with the impact plate 6 is formed in the frame plate 2 in a penetrating mode, two sets of side plates 4 are symmetrically distributed on the outer end of the impact bearing block 3, a sliding rod 8 penetrates through the side plates 4 and is in sliding connection with the side plates 4 is fixedly connected between the frame plate 2 and the baffle 7, and the impact bearing block 3 keeps a horizontal stable sliding state when impacted through sliding fit of the sliding rod 8 and the side plates 4, so that the experimenter can count data conveniently.

Referring to fig. 1, fig. 3 and fig. 4, balancing weight 13 and three inside all rotation connection of additional piece 14 of group have gyro wheel 15 that are the symmetric distribution, the inside of bracket 12 has the gliding sliding connection groove 1201 of cooperation balancing weight 13 and additional piece 14, the inside of bracket 12 is located the outside of sliding connection groove 1201 and has the rolling spacing rail 1202 of cooperation gyro wheel 15, through the sliding fit of gyro wheel 15 and spacing rail 1202, avoid balancing weight 13 to break away from bracket 12 at the slip in-process, thereby guarantee balancing weight 13 gliding stability, and the setting of gyro wheel 15 has reduced the contact friction between balancing weight 13 and the bracket 12 inner wall, thereby guarantee measured data's accurate nature.

Referring to fig. 1, 4, 5 and 6, the side contact plate 16 has a sliding groove 1601 inside which the sliding block 20 slides, the switching rod 18 has a driving groove 1801 inside which the sliding block 21 slides, and the switching rod 18 drives the sliding block 20 and the first positioning rod 19 fixedly connected with the sliding block 20 to slide along the side contact plate 16 through the sliding fit between the driving groove 1801 and the sliding block 21 in the rotating process

Referring to fig. 1, 2 and 4, the outer end of the counterweight block 13 is fixedly connected with a clamping arm 1302, the extending end of the clamping arm 1302 penetrates through the outer side of the carriage frame 12, the outer end of the carriage frame 12 is located on the outer side of the clamping arm 1302 and is fixedly connected with the distance measuring plates 26 which are symmetrically distributed, a marker pen is clamped in the clamping arm 1302, in a collision test, the counterweight block 13 drives the marker pen to move upwards along the vertical direction, the marker pen leaves a rising track of the counterweight block 13 on the distance measuring plates 26 in the process of moving upwards, the rising height of the counterweight block 13 is recorded, and the impulse generated in an automobile collision test is calculated through the rising height data of the counterweight block 13, so that the accurate data of impulse measurement is obtained.

The working principle is as follows: firstly, when an automobile to be tested collides on the impact plate 6, the impact plate 6 drives the collision bearing block 3 to horizontally slide along the slide rod 8 under the impact force generated by the automobile collision, the collision bearing block 3 horizontally slides while pulling the counterweight block 13 positioned in the bracket 12 through the traction rope 11, at the moment, the counterweight block 13 vertically and upwards moves along the sliding connection groove 1201, and the impact generated by the automobile in the collision process can be intuitively observed by experimenters through the ascending height of the counterweight block 13; secondly, because the sliding distance of the impact block 3 on the base 1 is limited, and the sliding range of the counterweight block 13 along the sliding groove 1201 is also limited, when the experimenter performs a more violent automobile impact measurement process, the experimenter needs to start the driving motor 25 at the outer end of the adapting rod 18 to drive the rotating shaft 17 to rotate, and further drive the adapting rod 18 fixedly connected with the rotating shaft 17 to rotate, the adapting rod 18 drives the sliding block 20 and the first positioning rod 19 fixedly connected with the sliding block 20 to slide outwards along the side connecting plate 16 through the sliding fit of the driving groove 1801 and the sliding block 21 during the rotation process, meanwhile, the supporting rod 22 fixed at the outer end of the rotating shaft 17 drives the second positioning rod 24 to slide inwards through the supporting arm 23, when the second positioning rod 24 is inserted into the slot in the middle layer additional block 14, the first positioning rod 19 will be separated from the slot of the lowest additional block 14, at this moment, the additional block 14 falls on the counterweight block 13 under the action of gravity, so that the impulse measuring device can perform impulse detection on automobile impact with high strength, along with the continuous rotation of the rotating shaft 17, the supporting rod 22 pulls the second positioning rod 24 through the supporting arm 23, pulls the second positioning rod 24 away from the slot of the intermediate-layer additional block 14, and simultaneously, under the sliding fit of the driving slot 1801 and the sliding block 21, the sliding block 20 and the first positioning rod 19 fixedly connected with the sliding block 20 are driven to be inserted into the slot in the uppermost-layer additional block 14, at this moment, the intermediate-layer additional block 14 slides down from the top of the sliding slot 1201, the weight of the counterweight block 13 is continuously increased, and an experimenter can adjust the weight of the counterweight block 13 according to the strength of the automobile impact, so that the application range of the measuring device is improved; the outer end of the balancing weight 13 is fixedly connected with a clamping arm 1302, a marker pen is clamped in the clamping arm 1302, in a collision test, the balancing weight 13 drives the marker pen to move upwards along the vertical direction, the marker pen leaves a rising track of the balancing weight 13 on the distance measuring plate 26 in the process of moving upwards, the rising height of the balancing weight 13 is recorded, experimenters can calculate impulse generated in an automobile collision test according to height data recorded by the marker pen and the rising height data of the balancing weight 13, so that accurate data of impulse measurement are obtained, and measurement, calculation and recording of measurement records by the experimenters are facilitated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an automobile collision test impulse measuring device, includes base (1) and roof (9) of setting in base (1) upside, its characterized in that: the upper end of the base (1) is fixedly connected with a frame plate (2), one side of the upper end of the base (1) far away from the frame plate (2) is fixedly connected with a baffle (7), the upper end of the base (1) is positioned between the frame plate (2) and the baffle (7) and is slidably connected with a collision block (3), the outer end of the collision block (3) is fixedly connected with an impact plate (6), the upper end of the collision block (3) is fixedly connected with an outer connecting plate (5), the lower end of the top plate (9) is fixedly connected with a supporting frame (12), the lower end of the top plate (9) is positioned on the inner side of the supporting frame (12) and is fixedly connected with a fixed pulley (10), the inner part of the supporting frame (12) is slidably connected with a balancing weight (13), the inner end of the balancing weight (13) is fixedly connected with a bolt connecting piece (1301), and a traction rope (11) is bolted between the bolt connecting piece (1301) and the outer connecting plate (5), and the haulage rope (11) winds the outside of connecting at fixed pulley (10), the inside of support frame (12) still is provided with three additional pieces of group (14), the outer end fixedly connected with side joint board (16) of support frame (12), the inside sliding connection of side joint board (16) has two sets of switching poles (18) that are the symmetric distribution, and is two sets of equal fixedly connected with first locating lever (19) in the inner of switching pole (18), driving motor (25) are installed to the outer end of side joint board (16), the inboard transmission that the output of driving motor (25) runs through to side joint board (16) is connected with pivot (17), the outer end fixedly connected with of pivot (17) distributes and cooperates switching pole (18) that sliding joint piece (20) used with the axle center, the outer end fixedly connected with branch (22) of pivot (17), the inside sliding connection of support frame (12) has second locating lever (24), a support arm (23) is rotatably connected between the second positioning rod (24) and the support rod (22), and a slot matched with the first positioning rod (19) and the second positioning rod (24) in an inserting mode is further formed in the additional block (14).

2. The vehicle crash test impulse measuring device according to claim 1, characterized in that: the inside of frame plate (2) runs through and is seted up hole groove (201) with impingement plate (6) adaptation.

3. The vehicle crash test impulse measuring device according to claim 1, characterized in that: the outer end fixedly connected with of piece (3) is two sets of curb plates (4) that the symmetry distributes, fixedly connected with runs through curb plate (4) and with curb plate (4) sliding connection's slide bar (8) between frame plate (2) and baffle (7).

4. The vehicle crash test impulse measuring device according to claim 1, characterized in that: the inner parts of the balancing weight (13) and the three groups of additional blocks (14) are rotationally connected with rollers (15) which are symmetrically distributed.

5. The vehicle crash test impulse measuring device according to claim 4, characterized in that: the inside of the bracket (12) is provided with a sliding connection groove (1201) matched with a balancing weight (13) and an additional block (14) to slide, and the outside of the sliding connection groove (1201) in the inside of the bracket (12) is provided with a limiting rail (1202) matched with a roller (15) to roll.

6. The vehicle crash test impulse measuring device according to claim 1, characterized in that: the side contact plate (16) is internally provided with a sliding chute (1601) matched with the sliding connection block (20) to slide.

7. The vehicle crash test impulse measuring device according to claim 1, characterized in that: the interior of the adapter rod (18) is provided with a driving groove (1801) which is matched with the sliding block (21) to slide.

8. The vehicle crash test impulse measuring device according to claim 1, characterized in that: the outer end fixedly connected with arm lock (1302) of balancing weight (13), and the extension end of arm lock (1302) runs through to the outside of bracket (12), the outer end of bracket (12) is located the outside fixedly connected with of arm lock (1302) and is range finding board (26) of symmetric distribution.