KR20080010079A - Speed controlling apparatus for unmanned test vehicle - Google Patents

Abstract

A speed control apparatus of an unmanned test vehicle is provided to improve workability by forming a fixing unit fixed to a brake pedal, a support unit coupled to the fixing unit and a control unit pressurizing an accelerator pedal. A speed control apparatus of an unmanned test vehicle comprises a fixing unit(10), a support unit(20), a second sleeve(31), a pressure control bar(33) and a pressure plate(34). The fixing unit includes a coupling groove(11) formed in one side of the fixing unit and a first sleeve(12) coupled to the other side thereof. The support pad includes a moving bar(21) inserted into the first sleeve and a height control bar(22) attached to the moving bar. The second sleeve includes a female thread formed on an inner circumference. The pressure control bar is inserted into the second sleeve. The pressure plate connected to an end of the pressure control bar pressurizes an accelerator pedal.

Description

Speed Controlling Apparatus for Unmanned Test Vehicle

1 is a perspective view showing the structure of a speed control apparatus for an unmanned test vehicle according to an embodiment of the present invention;

2 is a view illustrating a position adjusting operation state of the speed adjusting device of FIG. 1;

3 is a perspective view showing the structure of a speed adjusting apparatus for an unmanned test vehicle according to another embodiment of the present invention;

4 is a diagram illustrating a position adjusting operation state of the speed adjusting device of FIG. 3.

<Explanation of symbols for the main parts of the drawings>

10: fixed part 11: coupling groove

12: first sleeve 13: bolt

20: support 21: moving bar

22: height adjustment bar 23: first lever

24: third sleeve 25: second lever

30: adjusting part 31: second sleeve

32: channel 33: pressure control bar

34: pressure plate 35: universal joint

36: rotating handle 37: hook

The present invention relates to a speed control device for an unmanned test vehicle. More specifically, it is combined with a fixed part and a fixed part fixed to the brake pedal, and a support part capable of adjusting the height in the front and rear directions and the up and down direction is combined with the support part, which enables fine position adjustment and an adjusting part for pressing the accelerator pedal. The present invention relates to a speed control device for a mechanical unmanned test vehicle having an easy and required installation space.

Unmanned vehicles are vehicles that can drive on the road without a driver in the vehicle, but are not currently generalized, but are used for endurance tests or performance tests of various parts of the vehicle.

In general, a test vehicle is manufactured to check the design and manufacturing state of the vehicle at the development stage before the full production of the vehicle, and tests are conducted under various conditions to determine whether the vehicle is designed for various conditions.

During this test, a test is carried out at low speeds on unpaved roads such as gravel roads, which are extremely severe as a means for measuring the durability of the vehicle, or in a high-temperature and low-temperature environment chamber as a means for measuring durability against a climatic environment. There is a test for running for a long time. Under such driving conditions, driving a vehicle directly by a driver is a risk of injury to the occupant, so it is common to conduct a test by unattended driving without the driver in the vehicle.

On the other hand, when the driving is not under severe driving conditions, the driver may ride a test by driving directly, but at this time, the driver must keep the driving state constant because the test vehicle must run at a constant speed for a long time under the same conditions. It was very hard to drive.

For this reason, various methods are used for unmanned driving of a vehicle. As a mechanical device, a method of installing a motor to operate an accelerator pedal under the driver's seat is generally used to operate the accelerator pedal by the motor. .

However, the way in which the accelerator pedal is operated by the motor takes up a lot of space in the driver's seat because the motor itself is bulky and requires a lot of installation space for fixed mounting of the motor. There is a problem that increases, and when a failure such as a motor occurs while driving, a driver needs to ride and drive directly. At this time, the driver occupies the driver because the space occupied by the motor is very large.

On the other hand, in order to solve the problem of the mechanical speed control device by the motor as described above, a speed control device using a separate actuator is used, the actuator that can operate the accelerator pedal and various electronics for the operation and control of the actuator It is a way to operate the accelerator pedal in various ways.

However, the method using the actuator has a problem such as malfunction or stop working when the operating oil and various electrical appliances used in the actuator is exposed to the environmental chamber in a high temperature or low temperature state for a long time.

Therefore, the present invention has been invented to solve such a problem, it is coupled to the fixed portion and the fixed portion fixed to the brake pedal is coupled to the support portion and the support that can adjust the height in the front and rear direction and up and down direction is possible to fine position adjustment pedal The purpose of the present invention is to provide a speed control device for a mechanical unmanned test vehicle, which is composed of a control unit for pressurizing and which facilitates a position adjustment operation and a small installation space.

In order to achieve this object, the present invention, the coupling groove is formed on one side and the first sleeve is coupled to the other side, the fixing portion is coupled to the coupling groove is fixed to the brake pedal; A support part including a moving bar inserted into the first sleeve and a height adjusting bar attached to the moving bar to have a predetermined height to move forward and backward; A second sleeve rotatably coupled to the support portion and having a female thread formed on an inner circumferential surface thereof; A screw thread formed on an outer circumferential surface and inserted into the second sleeve; And it is connected to the end of the pressure control bar provides a speed control device for an unmanned test vehicle comprising a pressure plate for pressing the accelerator pedal.

The first sleeve is rotatably coupled to the fixed portion and the pressure plate and the pressure control plate is preferably interconnected by a universal joint.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a perspective view illustrating a structure of a speed control apparatus for an unmanned test vehicle according to an embodiment of the present invention, and FIG. 2 is a view illustrating a position adjusting operation state of the speed control apparatus of FIG. 1.

Speed control apparatus of the unmanned test vehicle according to an embodiment of the present invention, the fixing unit 10 for fixing the entire structure to the brake pedal, the control unit 30 and the control unit for applying the pressure to the accelerator pedal to operate the accelerator pedal It serves to support the 30 and is largely divided into a support 20 coupled to the fixed portion (10).

The fixing part 10 has a coupling groove 11 coupled to the brake pedal on one lower surface thereof, and the first sleeve 12 is coupled to the upper portion of the other side. At this time, in order to strengthen the coupling force between the coupling groove 11 and the brake pedal, the bolt 13 is inserted through the side of the coupling groove 11 as shown in FIG. 1 and the brake pedal as the bolt 13 is tightened. It is desirable to enhance the bond strength with.

The support part 20 is configured to include a moving bar 21 inserted into the first sleeve 12 and a height adjusting bar 22 attached to the moving bar 21 to have a predetermined height so as to be movable forward and backward. . At this time, the movable bar 21 is moved only at the time of position adjustment, and when the position adjustment is completed, the threaded first lever 23 is formed with the first sleeve 12 as shown in FIG. By penetrating into one side of), it is preferable to tighten the first lever 23 so that the fixing force between the first sleeve 12 and the moving bar 21 is strengthened.

The adjusting unit 30 is rotatably coupled to the height adjusting bar 22, and a thread is formed on the outer circumferential surface of the second sleeve 31 having a female thread formed on the inner circumferential surface thereof to engage with the female thread of the second sleeve 31 to form a second sleeve ( 31 is connected to one end of the pressure control bar 33 and the pressure control bar 33 penetrates in contact with the accelerator pedal is configured to include a pressure plate 34 for pressing the accelerator pedal. At this time, in order for the second sleeve 31 to be rotatably coupled to the height adjustment bar 22, the “c” shaped channel 32 is attached to one side of the second sleeve 31 and the “c” shaped channel 32 is provided. By connecting the height adjustment bar 22 and the bolt is preferably coupled in a manner that is rotated or fixed around the bolt in accordance with the tightening force of the bolt.

In addition, by increasing the degree of freedom in the relative position between the pressure control bar 33 and the pressure plate 34, the pressure control bar 33 and the pressure control bar 33 so as to be in close contact with the accelerator pedal regardless of the position change of the accelerator pedal. The pressure plate 34 is preferably connected to the universal joint 35, in addition to the universal joint 35, a ball joint may be used.

In addition, the other end of the pressure control bar 33 is attached to the rotary knob 36 that can easily rotate the pressure control bar 33, the lower portion of the pressure plate 34 is fitted with a hook that can be coupled to the accelerator pedal ( 37) is preferably formed.

Looking at the operation principle of the unmanned test vehicle speed control device having such a structure, the distance between the brake pedal and the accelerator pedal is maintained almost the same in all vehicles, thus fixing the control unit 30 for pressing the accelerator pedal Coupling position of the fixing part 10 for the neck of the brake pedal is a very effective way in that the fixing and disassembly operation is easy and the installation space is not required separately.

The present invention can be applied to all kinds of vehicles having various positions of the accelerator pedal by adjusting the fixed position of the adjusting unit 30 in various ways such as up, down, front, back, and rotation.

The support portion 20 can move the front and rear position by the moving bar 21, and the second sleeve 31 coupled to the support portion 20 rotates to adjust the position in the rotational direction with the horizontal axis of rotation, and the pressure adjustment. As the bar 33 rotates, the pressure regulating bar 33 penetrates the inside of the second sleeve 31 and allows fine position adjustment in the vertical direction. In addition, the degree of freedom according to the position change of the accelerator pedal is increased by the connection of the pressure adjusting bar 33 and the pressure plate 34 by the universal joint 35, so that the adhesion force to the accelerator pedal of the pressure plate 34 is not reduced.

3 is a perspective view illustrating a structure of a speed adjusting apparatus for an unmanned test vehicle according to another embodiment of the present invention, and FIG. 4 is a view illustrating a position adjusting operation state of the speed adjusting apparatus of FIG. 3.

Looking at the difference with one embodiment of the present invention shown in Figure 1, first, the first sleeve 12 coupled to the fixed portion 10 is rotatably coupled, the support portion 20 is the height adjustment bar 22 It is composed of two cylindrical bars and further includes a third sleeve 24, which is fitted to the height adjustment bar 22 and movable to the upper and lower portions of the height adjustment bar 22, accordingly, the second sleeve of the adjustment unit 30 31 is coupled to the third sleeve 24 of the support 20. At this time, as shown in Figure 3 in order to be fixed to a predetermined position after the third sleeve 24 is moved to the upper and lower parts of the height adjustment bar 22, the threaded second lever 25 is the third sleeve 24 Penetration is inserted into one side of the), it is preferable to tighten the fixing force of the height adjustment bar 22 and the third sleeve 24 as the second lever 25 is tightened.

According to this structure, the first sleeve 12 is rotated while the position adjustment in the rotational direction having a vertical axis of rotation is possible, the height adjustment bar 22 is composed of two, so that the strength is enhanced to achieve a stable structure. In addition, although the third sleeve 24 is movable in the vertical direction of the height adjustment bar 22, the second sleeve 31 and the third sleeve 24 are coupled to each other to move up and down of the third sleeve 24. Accordingly, the pressure adjusting bar 33 inserted into the second sleeve 31 is also moved in the vertical direction. That is, in the process of fixing the speed adjusting device to the test vehicle, the height of the adjusting part 30 is approximately adjusted by the movement of the third sleeve 24 and the pressure adjusting bar 33 inserted into the second sleeve 31. ) And it is fixed to the correct position by adjusting the height up to the fine range.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, the speed adjusting device of the unmanned test vehicle is coupled to a fixed part and a fixed part fixed to the brake pedal, and is coupled to a support part and a support part capable of adjusting the height in the front and rear directions and the vertical direction, thereby making fine adjustment of the position. It consists of a mechanical device that includes a control unit that pressurizes the accelerator pedal, which prevents malfunction due to electrical equipment, facilitates the installation and adjustment of the device, and the required installation space is small. It has the effect of producing test results.

Claims (4)

A fixing part having a coupling groove formed at one side and a first sleeve coupled to the other side, and the coupling groove being fixedly coupled to the brake pedal; A support part including a moving bar inserted into the first sleeve and a height adjusting bar attached to the moving bar to have a predetermined height to move forward and backward; A second sleeve rotatably coupled to the support portion and having a female thread formed on an inner circumferential surface thereof; A screw thread formed on an outer circumferential surface and inserted into the second sleeve; And A pressure plate connected to the end of the pressure control bar to press the acceleration pedal Speed control apparatus of the unmanned test vehicle comprising a. The method of claim 1, And the first sleeve is rotatably coupled to the fixed part. The method of claim 2, The support portion further includes a third sleeve fitted to the height adjustment bar, wherein the third sleeve is movable to the upper and lower portions of the height adjustment bar, And the second sleeve is rotatably coupled to the third sleeve of the support. The method of claim 3, wherein The pressure plate and the pressure control plate is a speed control device for an unmanned test vehicle, characterized in that interconnected by a universal joint.

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