CN211013518U

CN211013518U - Novel test trolley

Info

Publication number: CN211013518U
Application number: CN201921649189.1U
Authority: CN
Inventors: 邓文彬
Original assignee: Huile Automotive Technology Shanghai Co ltd
Current assignee: Huile Automotive Technology Shanghai Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-14
Anticipated expiration: 2029-09-30

Abstract

The utility model belongs to the technical field of autopilot test dolly, a novel test dolly is proposed, including the frame, the wheel turns to the device, sets up on the frame, and the automobile body safety cover slides and sets up in the top of frame, and the elastic component sets up between automobile body safety cover and frame for support the automobile body safety cover. Through above-mentioned technical scheme, the problem that test dolly life is low among the prior art has been solved.

Description

Novel test trolley

Technical Field

The utility model belongs to the technical field of autopilot test dolly, a novel test dolly is related to.

Background

At present, with the development of science and technology, more and more researches are carried out on an automatic driving automobile, but the safety of the automatic driving automobile is always the most important problem to be solved, and in the safety test process of the automatic driving automobile, the automatic driving automobile safety test trolley can be applied to a test trolley, the test trolley can carry a dummy firstly to fully simulate the movement condition of a pedestrian on a road, but the test is often unsuccessful many times, and the test trolley can be collided at the moment, so that the damage is caused to the trolley, and the test cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel test trolley has solved the problem of the easy damage of test trolley among the prior art.

The technical scheme of the utility model is realized like this:

the method comprises the following steps: the frame is provided with a front wheel and a rear wheel,

a wheel steering device arranged on the frame,

a vehicle body protecting cover which is arranged above the vehicle frame in a sliding way,

the elastic piece is arranged between the vehicle body protection cover and the vehicle frame and used for supporting the vehicle body protection cover.

As a further technical scheme, the automobile safety protection device further comprises a supporting plate and a limiting screw, wherein the supporting plate is arranged on the frame, the limiting screw is arranged on the inner wall of the automobile body protection cover, the limiting screw is arranged on the supporting plate in a sliding mode, the elastic piece is sleeved outside the limiting screw, and two ends of the elastic piece are respectively in contact with the automobile body protection cover and the supporting plate.

As a further technical scheme, the wheel steering device comprises a steering mechanism retainer, two steering engine rocker arms, a steering pull rod and a steering wheel, wherein the steering mechanism retainer is arranged on the frame, the two steering engine rocker arms are arranged and are respectively arranged at two ends of the steering mechanism retainer in a rotating mode, the steering engine rocker arms are used for arranging wheels, and the steering wheel is arranged on the steering mechanism retainer in a swinging mode and is connected with the steering engine rocker arms through the steering pull rod.

As a further technical scheme, the wheel steering device further comprises a steering engine, wherein the steering engine is arranged on the steering mechanism retainer and is used for driving the steering wheel to swing.

As a further technical scheme, the steering pull rod comprises a sleeve and a connecting rod, the number of the sleeve is two, the two sleeves are respectively hinged to the steering wheel and the steering engine rocker arm, internal threads are arranged in the sleeve, external threads are arranged at two ends of the connecting rod, two ends of the connecting rod are respectively arranged in the two sleeves, and the sleeves are connected with the connecting rod through threads.

As a further technical solution, the elastic member is one of a spring and an elastic plate.

As a further technical scheme, the vehicle body protection cover further comprises an adjusting nut, wherein the adjusting nut is arranged outside the limiting screw rod and is located on one side of the supporting plate, and the adjusting nut is far away from the vehicle body protection cover.

As a further technical proposal, the car body protecting cover comprises a press-proof top and a buffering edge,

the anti-pressing top is arranged above the frame, the limit screw is arranged at the bottom of the anti-pressing top,

the buffering edge is arranged on the periphery of the anti-pressing top.

The utility model discloses a theory of operation and beneficial effect do:

1. in the utility model, the wheel steering device can control the front two wheels of the trolley to realize the steering function, thereby not only advancing and retreating when the trolley is used for testing, but also changing the direction of movement, thereby achieving the function of simulating the movement of pedestrians as much as possible, leading the reference value of the test to be larger, and arranging the vehicle body protection cover above the frame, the vehicle body protection cover is arranged above the frame in a sliding way, and the frame is provided with the elastic piece for supporting the vehicle body protection cover, therefore, the vehicle body protection cover is not contacted with the ground in the normal walking movement process, when a foreign object rolls the vehicle body, the vehicle body protection cover can be contacted with the vehicle body protection cover at first, at the moment, the vehicle body protection cover can extrude the elastic piece to move downwards under the action of external force, then the edge of the vehicle body protection cover is contacted with the ground, thereby playing, the car body in the car body protection cover is protected, and the probability of damage to the car is reduced.

2. In the utility model, a limit screw is arranged on a support plate in a sliding way, one end of the limit screw is connected with a vehicle body protective cover, an elastic element is sleeved on the limit screw, the other end of the limit screw is provided with an adjusting nut, when the adjusting nut is adjusted by rotating, the distance from the vehicle body protective cover to a vehicle frame can be controlled, thereby adjusting according to the road condition of walking, under the premise of satisfying walking, the protection effect is played as much as possible, two steering pull rods are arranged, a steering wheel is respectively connected with two steering engine rocker arms by two steering pull rods, so when the steering pull rods are swung, the two steering engine rocker arms can be driven to synchronously rotate by the steering pull rods, the wheels can be turned to different angles because the wheels are arranged on the steering engine rocker arms, thereby the turning function is completed, the steering wheel is very convenient and stable, the steering engine can be easily controlled, is very convenient, has small volume and saves space.

3. In the utility model, the distance between the two sleeves can be controlled by the connecting rod when the connecting rod rotates, the initial position of the steering engine rocker arm can be controlled by the change of the length of the steering pull rod, and the two sleeves are respectively arranged on the steering wheel and the steering engine rocker arm when in installation, then the two sleeves are connected by the connecting rod, the installation is convenient, the elastic part is a spring or an elastic plate, the support of the car body protective cover can be realized, the distance from the car body protective cover to the ground can be controlled by adjusting the position of the adjusting nut on the limiting screw rod, thereby better realizing the car body movement according to the condition of the road surface, the buffer edge is arranged obliquely, the vehicle can directly move to the pressure-proof top through the inclined surface through the buffer edge, then passes over the car body protective cover, thereby the trolley can not be directly collided and flown, when the vehicle is positioned above the, the vehicle is supported, thereby protecting the objects below the protective cover of the trolley body.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of the middle C of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention, wherein B-B1 is shown;

FIG. 5 is a schematic cross-sectional view of the structure of A-A1 according to the present invention;

FIG. 6 is a schematic structural view of the utility model with the vehicle body protecting cover removed;

FIG. 7 is a schematic view of the overhead structure of the present invention with the vehicle body protecting cover removed;

FIG. 8 is a schematic view of the front view of the utility model with the protective cover of the vehicle body removed;

in the figure: the steering mechanism comprises a frame 1, a wheel steering device 2, a steering mechanism retainer 21, a steering engine rocker 22, a steering pull rod 23, a sleeve 231, a connecting rod 232, a steering wheel 24, a steering engine 25, a vehicle body protective cover 3, a pressure-proof top 31, a buffer edge 32, an elastic part 4, a support plate 51, a limit screw 52 and an adjusting nut 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-8, the utility model provides a novel test trolley, include:

the frame of the bicycle comprises a frame 1,

a wheel steering device 2 arranged on the frame 1,

a vehicle body protecting cover 3 which is arranged above the vehicle frame 1 in a sliding way,

and an elastic member 4 disposed between the body cover 3 and the frame 1 for supporting the body cover 3.

In this embodiment, the wheel steering device 2 can control the front two wheels of the cart to achieve the function of steering, so that the cart can not only move forward and backward, but also change the direction of movement, thereby achieving the function of simulating the movement of pedestrians as much as possible, so that the reference value of the test is greater, the cart body protecting cover 3 is arranged above the cart frame 1 in a sliding manner, and the cart frame 1 is provided with the elastic member 4 for supporting the cart body protecting cover 3, so that the cart body protecting cover 3 is not in contact with the ground in the normal walking movement process, when a foreign object rolls the cart body, the foreign object firstly contacts with the cart body protecting cover 3, at the moment, the cart body protecting cover 3 extrudes the elastic member 4 to move downwards under the action of external force, and then the edge of the elastic member contacts with the ground, thereby playing the effect of supporting, the protection lies in the automobile body of automobile body safety cover 3 in, has reduced the probability that the dolly damaged.

Further, the bicycle frame further comprises a supporting plate 51 and a limiting screw rod 52, wherein the supporting plate 51 is arranged on the bicycle frame 1, the limiting screw rod 52 is arranged on the inner wall of the bicycle body protecting cover 3, the limiting screw rod 52 is arranged on the supporting plate 51 in a sliding mode, and the elastic piece 4 is sleeved outside the limiting screw rod 52.

In this embodiment, the limit screw 52 is slidably disposed on the support plate 51, one end of the limit screw 52 is connected to the vehicle body protection cover 3, the elastic member 4 is sleeved on the limit screw 52, the other end of the elastic member is provided with the adjusting nut 53, and when the adjusting nut 53 is rotationally adjusted, the distance from the vehicle body protection cover 3 to the vehicle frame 1 can be controlled, so that the adjustment can be performed according to the road condition of walking, and the protection effect can be achieved as much as possible on the premise that the walking is satisfied.

Further, the wheel steering device 2 comprises a steering mechanism retainer 21, two steering engine rocker arms 22, a steering pull rod 23 and a steering wheel 24, the steering mechanism retainer 21 is arranged on the frame 1, the two steering engine rocker arms 22 are arranged, the two steering engine rocker arms 22 are respectively arranged at two ends of the steering mechanism retainer 21 in a rotating mode, the steering engine rocker arms 22 are used for arranging wheels, and the steering wheel 24 is arranged on the steering mechanism retainer 21 in a swinging mode and is connected with the steering engine rocker arms 22 through the steering pull rod 23.

In this embodiment, steering linkage 23 is provided with two, and steering wheel 24 is connected with two steering wheel rocking arms 22 through two steering linkage 23 respectively, so when swing steering linkage 23, will drive two steering wheel rocking arms 22 synchronous rotations through steering linkage 23, because the wheel sets up on steering wheel rocking arm 22, so the wheel just also can be turned to different angles to accomplish the function of turning, very convenient stability.

Further, the wheel steering device 2 further comprises a steering engine 25, the steering engine 25 is arranged on the steering mechanism retainer 21, and the steering engine 25 is used for driving the steering wheel 24 to swing.

In this embodiment, steering wheel 24 swing can be controlled easily in steering wheel 25's setting, and is very convenient to small, practices thrift the space.

Further, the steering linkage 23 includes a sleeve 231 and a connecting rod 232, the sleeve 231 is provided with two, and the two sleeves 231 are respectively hinged on the steering wheel 24 and the steering engine rocker arm 22, an internal thread is provided in the sleeve 231, external threads are provided at two ends of the connecting rod 232, and two ends of the connecting rod 232 are respectively provided in the two sleeves 231.

In this embodiment, the distance between two sleeves 231 can be controlled when the connecting rod 232 rotates, the initial position of the steering engine rocker arm 22 can also be controlled by the change of the length of the steering pull rod 23, the two sleeves 231 are respectively arranged on the steering wheel 24 and the steering engine rocker arm 22 during installation, and then the two sleeves 231 are connected through the connecting rod 232, so that the installation is convenient.

Further, the elastic member 4 is one of a spring and an elastic plate.

In this embodiment, the elastic member 4 is a spring or an elastic plate, and can support the vehicle body protecting cover 3.

Further, the adjustable screw rod further comprises an adjusting nut 53, and the adjusting nut 53 is arranged outside the limiting screw rod 52.

In this embodiment, the distance from the vehicle body protecting cover 3 to the ground can be controlled by adjusting the position of the adjusting nut 53 on the limit screw 52, so that the vehicle body can move better according to the road condition.

Further, the vehicle body protecting cover 3 includes a crush relief 31 and a cushion rim 32,

the anti-pressing top 31 is arranged above the frame 1, the limit screw 52 is arranged at the bottom of the anti-pressing top 31,

the buffer rim 32 is provided around the crush relief 31.

In this embodiment, the buffering edge 32 is obliquely arranged, the vehicle can directly move to the anti-pressing top 31 through the inclined surface through the buffering edge 32 and then pass through the vehicle body protection cover 3, so that the vehicle cannot be directly collided and flown, when the vehicle is positioned above the vehicle body protection cover 3, the buffering edge 32 is in contact with the ground to support the vehicle, and therefore objects below the vehicle body protection cover 3 of the vehicle are protected.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel test trolley is characterized by comprising:

a frame (1) of the bicycle,

a wheel steering device (2) arranged on the frame (1),

a vehicle body protecting cover (3) which is arranged above the vehicle frame (1) in a sliding way,

the elastic piece (4) is arranged between the vehicle body protection cover (3) and the vehicle frame (1) and used for supporting the vehicle body protection cover (3).

2. The novel test trolley as claimed in claim 1, further comprising a support plate (51) and a limit screw (52), wherein the support plate (51) is disposed on the frame (1), the limit screw (52) is disposed on an inner wall of the vehicle body protection cover (3), the limit screw (52) is slidably disposed on the support plate (51), the elastic member (4) is sleeved outside the limit screw (52), and two ends of the elastic member (4) are respectively in contact with the vehicle body protection cover (3) and the support plate (51).

3. The novel test trolley as claimed in claim 1, wherein the wheel steering device (2) comprises a steering mechanism holder (21), two steering engine rocker arms (22), two steering pull rods (23) and two steering wheels (24), the steering mechanism holder (21) is arranged on the frame (1), the two steering engine rocker arms (22) are arranged on two ends of the steering mechanism holder (21) in a rotating mode respectively, the steering engine rocker arms (22) are used for arranging wheels, the steering wheels (24) are arranged on the steering mechanism holder (21) in a swinging mode, and the steering pull rods (23) are connected with the steering engine rocker arms (22).

4. The novel test trolley as claimed in claim 3, wherein the wheel steering device (2) further comprises a steering engine (25), the steering engine (25) is arranged on the steering mechanism retainer (21), and the steering engine (25) is used for driving the steering wheel (24) to swing.

5. The novel test trolley as claimed in claim 3, wherein the steering pull rod (23) comprises two sleeves (231) and two connecting rods (232), the two sleeves (231) are respectively hinged to the steering wheel (24) and the steering engine rocker arm (22), internal threads are arranged in the sleeves (231), external threads are arranged at two ends of the connecting rods (232), the two ends of the connecting rods (232) are respectively arranged in the two sleeves (231), and the sleeves (231) and the connecting rods (232) are connected through threads.

6. A new test trolley according to claim 1, characterized in that the elastic member (4) is one of a spring and an elastic plate.

7. The novel test trolley as claimed in claim 2, further comprising an adjusting nut (53), wherein the adjusting nut (53) is arranged outside the limit screw (52), the adjusting nut (53) is arranged on one side of the support plate (51), and the adjusting nut (53) is far away from the car body protection cover (3).

8. A new test trolley according to claim 2, characterized in that the body protection cover (3) comprises a press top (31) and a bumper rim (32),

the anti-pressing top (31) is arranged above the frame (1), the limit screw (52) is arranged at the bottom of the anti-pressing top (31),

the buffering edge (32) is arranged on the periphery of the anti-pressing top (31).