JPS63315377A - Running carrier bed - Google Patents

Abstract

PURPOSE:To make it possible to freely run a carrier bed such as a self-traveling cargo carrier or the like used in a factory or the like, transversely and longitudinally with a simple arrangement, by mounting drive wheels on the lower surface of a base bed, radially and symmetrically with respect to the center point thereof. CONSTITUTION:Drive wheels 2a through 2d are mounted on the lower surface a base bed 1, radially and symmetrically with respect to the center point O thereof so that the extensions X of their rotary axes surely pass through the center point O. The drive wheels 2a, 2b are coupled together through a drive shaft 3a and are driven by a geared motor 4a. Similarly, the drive wheels 2c, 2d are coupled together through a drive shaft 3a and are driven by a geared motor 4b. With this arrangement in which the drive wheels 2a, 2b, 2c, 2d are driven by the geared motors with the rotating directions thereof being suitably combined, the carrier bed may freely run longitudinally and transversely, thereby it is possible to run the carrier bed even in a narrow path.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a traveling trolley that can be used as a self-propelled cargo transport machine used in factories or as a ride in an amusement park. .

[Conventional technology]

Conventionally, this type of traveling bogie has been provided with a pair of front and rear wheels arranged in two vertical rows at appropriate intervals on the underside of a base, similar to a car. The rear wheel was used as the driving wheel, and a steering mechanism was provided to change the direction of the front wheels in order to freely change the direction of travel.

However, the above-mentioned traveling trolley cannot travel in the lateral direction and has a relatively large minimum turning radius, so it cannot travel in narrow passages, which is inconvenient.

Further, since the above-mentioned traveling bogie was provided with the above-mentioned steering mechanism, the structure was complicated and the cost inevitably increased.

[Problem that the invention seeks to solve]

The present invention eliminates the drawbacks of the prior art described above, and is capable of traveling not only in the vertical direction but also in the horizontal direction, as well as pivoting around the trolley itself, and can freely run even in narrow passages. Another object of the present invention is to provide a traveling bogie that does not require a special steering mechanism, has a simple structure, and is inexpensive. Furthermore, it is an object of the present invention to provide a traveling trolley that can be used as a ride in an amusement park and which can realize interesting movements.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention has a structure in which drive wheels are installed radially and symmetrically with respect to the center point on the lower surface of the base.

[For production]

According to the present invention, since the driving wheels are installed radially and symmetrically with respect to the center point on the underside of the base, the driving wheels can be moved not only vertically but also horizontally by simply determining the rotational direction of each driving wheel as appropriate. It is also possible to rotate the truck around itself. Therefore, the traveling trolley of the present invention can freely travel even in narrow passages.

Furthermore, according to the present invention, the drive wheels can be simply installed on the underside of the base, and there is no need to provide a special steering mechanism like in conventional carts, so the structure is simple and can be provided at low cost. .

Further, according to the present invention, since it is possible to run and turn in the horizontal and vertical directions as described above, it is possible to realize interesting movements when used as a ride in an amusement park.

〔Example〕

Hereinafter, the present invention will be explained based on embodiments shown in the drawings.

The traveling trolley (α) of the present invention has drive wheels (2α) (2A) (2
C) It is configured by installing (2d).

In the case of the drawing example, four driving wheels (2α) (2b) (2
C) (2d) are installed radially and symmetrically with respect to the center point O, but the number is not particularly limited.

In addition, in the case of the drawing example, each drive wheel (2α) (2A) (
2C) (2d) is installed so that the extension line X of its rotating shaft completely passes through the center point 0, and the rotating shafts of the drive wheels (2α) and (26) are aligned with the drive shaft ( 3α), and the rotating shafts of the driving wheels (2C) and (2d) are connected by a driving shaft (3h).

Each drive shaft (3α) (3A) is connected to a geared motor (
4α) (4h) for forward rotation and reverse rotation, respectively. In addition, each drive shaft (3α) (3b) is provided with a clutch (5α) (5b), respectively, and when the clutch (5α) (5A) is engaged or engaged, the driving wheel from the geared motor (4α) (4h) is (2α) (2c) In the case of the embodiment shown in the drawings, when the clutch (5ct) is connected and the geared motor (4α) is rotated, the drive wheel (2α)
) and (2h) rotate in the same direction, and the clutch (5α
) is turned off and the geared motor (4α) is rotated, only the drive wheel (2h) rotates and the drive wheel (2α) becomes free. Similarly, the clutch (5h
) and rotate the geared motor (4b), the drive wheels (2C) and (2d) will rotate in the same direction, and when the clutch (5h) is disengaged and the geared motor (4h) is rotated, only the drive wheel (2d) will rotate. rotates and the drive wheel (2
C) is in a free state.

However, the above drive shaft (3α) (3A) and clutch (5
Each drive wheel (2α) (2A) (
Motors may be provided corresponding to wheels 2C) and 2d, respectively, so that the drive wheels 2α, 2h, 2C, and 2d rotate forward and reverse independently. In addition, it is not necessary to install each drive wheel (2α) (2A) (2C) (2d) so that the extension line X of its rotation axis passes through the center point ○, and each of the above extension lines X passes through the center point ○. It is sufficient that they are installed symmetrically and in a substantially radial direction relative to each other. In addition, in this specification, the term "radially and symmetrically installed with respect to the center point ○" includes such a case.

In addition, when constructing a cargo transport machine using the traveling trolley (a) of the present invention, a cargo loading section is constructed on the upper part of the base (1), or the base (1) itself is used as a cargo loading section. When constructing an amusement park ride using the traveling trolley (α) of the present invention, for example, the base (α) of the present invention may be constructed as a
1) It is only necessary to provide a riding seat or the like on the upper part.

Next, the operation of the traveling cart (α) will be explained based on Figures 3 to 5.

Place the traveling cart (α) on the floor (6), passage, etc. as shown in FIG.
2c) When (2d) is rotated in the direction of the arrow shown by the solid line (or broken line) in Figure 3, the traveling trolley (α) runs in the direction of the arrow shown by the solid line (or broken line) in Figure 3, that is, in the vertical direction. be. That is, each drive wheel (2α) (2b) (2?) (
2d) provides driving force in a direction perpendicular to each rotation axis X direction, but each drive wheel (2a) (2b) (
2C) (2d) are installed radially and symmetrically with respect to the center point O, the horizontal components of their driving forces cancel each other out, so the traveling trolley (1) travels in the vertical direction. Similarly, each drive wheel (2α) (2A) has 20) (
When 2d) is rotated in the direction of the solid line (or broken line) in Figure 4, the traveling trolley (α) travels in the direction of the solid (or broken line) arrow in Figure 4, that is, in the direction of the lateral force. . Furthermore, when the drive wheels (2α) (2c) are set in a free state and the drive wheels (2b) (2d) are rotated in the direction of the solid line (or broken line) arrow in Figure 5, a moment is applied to the traveling bogie (α). As a result, the traveling carriage (a) rotates approximately about the center point 0 in the direction of the solid (or broken) arrow in Figure 5.

In this way, in the traveling trolley (α) of the present invention, each drive wheel (
By simply determining the rotation direction of 2a) (2A) (2c) and (2d), it is possible to run not only vertically but also horizontally, and it is also possible to rotate around the trolley itself. . Therefore, the traveling trolley (α) of the present invention can freely travel even in narrow passages, which is convenient.

Further, in the present invention, the drive wheel (2) is simply attached to the bottom surface of the base (1).
α) (25) (2c) (2d), and there is no need to provide a special steering mechanism like a conventional truck, so the structure is simple and can be provided at low cost.

Further, according to the present invention, since it is possible to run and turn in the horizontal and vertical directions as described above, it is possible to realize interesting movements when used as a ride in an amusement park.

In addition, as mentioned above, each drive wheel (2a) (2h) (2c)
A motor is provided corresponding to each drive wheel (2d).
2α) (2h) (2C) If (2d) are made to rotate forward and reverse independently, it is possible to travel diagonally and in a curved (arc) shape by controlling the rotation speed of each motor. This makes it possible to realize even more interesting movements.

In addition, in the case of the embodiment shown in Figure 1 and Figure 2, each drive wheel (
2α) (2b) (2C) (2d) are simply cylindrical, but in the present invention, the drive wheels (2α) (2A) (2c
) (2d) because the rotation direction and running direction do not match,
Drive wheels (2α) (2b) (2c) (2d) and floor (6)
This results in slipping between the two and the power is not used efficiently.

Therefore, it is desirable to configure the driving wheels (2α), (2A), (2c), and (2d) as shown in the fangs 6 or spears 7 to improve the power utilization efficiency. In other words, the driving wheels (2α
The illustrated drive wheel (2iz) (:) 6) (20X2d) has a structure in which a large number of protrusions (8) made of a flexible material are provided around the periphery. Therefore, according to the driving wheels (2α) (2A) (2c) (2d) shown in Fig. 6 or Fig. 7, each flange portion (7) or each protrusion (8) is
) will bend and adapt to the running direction, preventing slippage and improving power usage efficiency.

〔Effect of the invention〕

According to the present invention, it is possible to travel not only in the vertical direction but also in the horizontal direction, and it is also possible to turn around the trolley itself, so that it can travel freely even in narrow passages, and a convenient effect can be obtained. It is something. Further, there is no need for a special steering mechanism as in the past, and the structure is simple and can be provided at low cost. Furthermore, it is possible to realize interesting movements, and the effect can be obtained when it is used as a ride in an amusement park.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; fang 1 is a front view, spear 2 is a bottom view, spear 3 to t15 are bottom views for explaining the operation, and spear 6 is another one. Main part perspective view showing the embodiment 1. Figure t-7 is a perspective view of a main part showing still another embodiment. (1) --- Base, (2α) (2h) (2c) (2d)
... Drive wheel, (α) ... Traveling trolley.

Claims (1)

[Claims] A running trolley characterized by having drive wheels installed radially and symmetrically with respect to a center point on the underside of a base.