JP4813396B2 - Lifting support leg - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an elevation supporting leg which raises and lowers an antenna without attaching an antenna raising and lowering device to a vehicle. <P>SOLUTION: In the elevation supporting leg 1, a triaxial hinge 4 and a triaxial hinge 5 are connected to a phased array antenna 29, and a parallel link 7 is connected to the triaxial hinge 5, and a parallel link 8 is connected to the triaxial hinge 5, and a truss member 6 is connected to the parallel link 7 and the parallel link 8, and a rising and falling leg 2 is connected to the truss member 6, and a jack 9 is connected to the triaxial hinge 4 and the truss member 6, and the parallel link 7 is rotated with the triaxial hinge 4 as the axis and the parallel link 8 is rotated with the triaxial hinge 5 as the axis, through the truss member 6 by extending the jack 9 to move the rising and falling leg 2. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention relates to a lifting support leg for a vehicle-mounted antenna for lifting and holding the antenna, for example.

  A lifting support leg for lifting / holding a heavy antenna has a structure in which auxiliary legs and the like that need to be attached / detached are provided on the vehicle or the antenna in order to avoid interference with the vehicle. A conventional lifting support leg has a structure in which a lifting table is provided on the vehicle itself to raise and lower the antenna as in Patent Document 1, and is configured by three planar antennas having three surfaces so as to have a 360-degree coverage. There was an antenna lifting device installed on a lifting table of a vehicle.

Japanese Patent Laying-Open No. 2005-151141 (paragraphs 0009 to 0012)

  The conventional lifting support legs are configured as described above, and are not applicable when the lifting table cannot be provided due to the vehicle structure, and there is a problem that the antenna cannot be lifted without mounting the antenna lifting device on the vehicle side. there were.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevating support leg capable of elevating and lowering an antenna without attaching an antenna elevating device on the vehicle side.

The elevating support leg according to the present invention has an upper first rotating shaft with a horizontal direction as an axis, one connected to the upper portion of the antenna, the other connected to the upper first rotating shaft, and a vertical direction as an axis. An upper first hinge that is connected to the upper first rotating shaft, and the other is connected to an upper second rotating shaft having an axis parallel to the axis of the upper first rotating shaft. And a lower first rotating shaft with the horizontal axis as the axis, one connected to the lower portion of the antenna, the other connected to the lower first rotating shaft, and the lower first axis with the vertical direction as the axis A hinge and one second link connected to the lower first rotating shaft and the other connected to the lower second rotating shaft having an axis parallel to the axis of the lower first rotating shaft; Is connected to the lifting leg and connected to the first link via the upper second rotating shaft at the upper part of the other end. A transformer member connected to the second link via the lower second rotary shaft at the lower end of the other end, one end connected to the upper first rotary shaft via a hinge connection portion, and the other end of the transformer A jack connected to the transformer via a connection part, and a handle connection part is provided on the jack, the jack expands and contracts by a handle operation, and the lifting leg is moved downward with respect to the antenna by extending the jack. The antenna is moved upward .

  According to the present invention, with such a structure, it is possible to raise and lower the antenna without attaching the antenna lifting device to the vehicle side.

An embodiment of the present invention will be described below.
Embodiment 1 FIG.
FIG. 1 is an overall view of an in-vehicle phased array antenna according to Embodiment 1 of the present invention when the vehicle is running, with the lifting support legs extended downward, and when the antenna is operated. FIG. 1A is a diagram when the vehicle is running, FIG. 1B is a diagram when the lifting support leg is extended downward, and FIG. 1C is a diagram when the antenna is operated. As shown in FIG. 1, the lifting support legs 1 are arranged at the four corners of the phased array antenna 29.

2A and 2B are a top view and a side view when the lifting support leg according to the first embodiment of the present invention is stored, FIG. 2A is a top view, and FIG. 2B is a side view.
As shown in FIG. 2, the lifting support leg 1 of the vehicle-mounted antenna includes a lifting leg 2, a triaxial hinge 4 (upper triaxial hinge), a triaxial hinge 5 (lower triaxial hinge), and a truss member 6. , Parallel link 7 (first link), parallel link 8 (second link), jack 9 and gear box 13. In the phased array antenna 29, the hinge 3, the fixing member 10, and the fixing member 11 are fixed. The link mechanism includes a triaxial hinge 4, a triaxial hinge 5, a truss member 6, a parallel link 7, a parallel link 8, and a jack 9.

  Here, the elevating leg 2 is connected to the truss member 6 and moves the phased array antenna 29 up and down.

  The triaxial hinge 4 is connected to the parallel link 7 and the jack 9, and the triaxial hinge 5 is connected to the parallel link 8. Further, the three-axis hinge 4 and the three-axis hinge 5 can be fixed to the phased array antenna 29, two axes that are not aligned with each other in the same direction as the direction in which the lifting leg 2 extends, and the lifting leg 2 The axis of rotation is one axis in a direction perpendicular to the direction in which the axis extends.

  The truss member 6 is connected to the parallel link 7, the parallel link 8, and the lifting leg 2, and has three rotation axes in the direction perpendicular to the direction in which the lifting leg 2 extends.

  The parallel link 7 is connected to the triaxial hinge 4 and the truss member 6, and the parallel link 8 is connected to the triaxial hinge 5 and the truss member 6.

  The jack 9 is connected to the three-axis hinge 4 and the truss member 6 to operate the link mechanism, and the parallel link 7 is used as an axis with the three-axis hinge 4 as an axis via the truss member 6. The parallel link 8 is rotated about the three-axis hinge 5 as an axis, and the lifting leg 2 is moved.

  The hinge 3 is installed in the phased array antenna 29 and is fixed to the upper and lower parts of the phased array antenna 29 and has a rotation mechanism. The fixing member 10 and the fixing member 11 are installed in the phased array antenna 29 and are triaxial hinge This is for fixing the 4- and 3-axis hinges 5 to the phased array antenna 29.

  The pin 12 is for fixing the triaxial hinge 4 and the triaxial hinge 5 to the fixing member 10 and the fixing member 11, and the gear box 13 is for extending and lowering the lifting leg 2.

  FIG. 3 is a detailed view of parts constituting the link mechanism portion of the lifting support leg according to Embodiment 1 of the present invention. 3 (a) is a detailed view of a triaxial hinge, FIG. 3 (b) is a detailed view of a parallel link, FIG. 3 (c) is a detailed view of a truss member, and FIG. 3 (d) is a jack. FIG.

FIG. 3A is a diagram showing the triaxial hinge 4, and the triaxial hinge 4 has a hinge connection portion 14, a pin hole 15, a link connection portion 16, and a jack connection portion 17.
Here, the hinge connection portion 14 connects the hinge 3 and the triaxial hinge 4, the pin hole 15 is a hole through which the pin 12 passes, and the link connection portion 16 fixes the parallel link 7 to the triaxial hinge 4. The jack connecting portion 17 fixes the triaxial hinge 4 and the jack 9.
The two axes that are in the same direction as the direction in which the lifting leg 2 extends and whose axes are not in a straight line are axes in the same direction as the direction in which the lifting leg 2 extends in the hinge connection portion 14 and the pin hole 15. One axis in a direction perpendicular to the direction in which the elongate leg extends is an axis in a direction perpendicular to the direction in which the elevating leg 2 extends in the link connecting portion 16.
The same configuration can be used for the triaxial hinge 5, and since the triaxial hinge 5 is not connected to the jack 9, a configuration without the jack connecting portion 17 may be used.

FIG. 3B shows the parallel link 7 and the parallel link 8, and the parallel link 7 and the parallel link 8 have a hinge connection portion 18 and a truss connection portion 19.
Here, the hinge connecting portion 18 connects the triaxial hinge 4 and the parallel link 7 or the triaxial hinge 5 and the parallel link 8, and the hinge connecting portion 18 is connected to the link connecting portion 16 of FIG. . The truss connecting portion 19 connects the truss member 6 and the parallel link 7 or the truss member 6 and the parallel link 8.

FIG. 3C is a diagram showing the truss member 6, and the truss member 6 includes a link connection portion 20, a link connection portion 21, a jack connection portion 22, and a fixed interface 23.
Here, the link connecting portion 20 connects the truss member 6 and the parallel link 7 shown in FIG. 3B, and the link connecting portion 21 connects the truss member 6 and the parallel link 8 shown in FIG. 3B. It connects with the truss connection part 19 of FIG.3 (b). The jack connecting portion 22 connects the truss member 6 and the jack 9, and the fixed interface 23 is an interface for fixing the truss member 6 to the lift leg 2 to the phased array antenna 29.
The three axes perpendicular to the direction in which the lifting leg 2 extends are the axes perpendicular to the direction in which the lifting leg 2 extends in the link connecting part 20, the link connecting part 21, and the jack connecting part 22.

FIG. 3D is a diagram showing the jack 9, and the jack 9 has a hinge connection portion 24, a truss connection portion 25, and a handle connection portion 26.
Here, the hinge connecting portion 24 connects the triaxial hinge 4 and the jack 9 and is connected to the jack connecting portion 17 in FIG. The truss connecting portion 25 connects the truss member 6 and the jack 9 and connects the jack connecting portion 22 shown in FIG. The handle connecting portion 26 is connected to the handle for driving the jack 9, and the truss connecting portion 25 side of the jack 9 is expanded and contracted by moving the handle.
A link mechanism is configured by connecting the units shown in FIGS. 3 (a) to 3 (d).

Next, the operation will be described.
4A and 4B show a top view and a side view of the lifting support leg according to the first embodiment of the present invention when the antenna is operated. FIG. 4A is a top view and FIG. 4B is a side view. FIG.
As shown in FIG. 2, the elevating support leg 1 has the hinge connecting portions 14 of the three-axis hinge 4 and the three-axis hinge 5 fixed to the hinge 3 of the phased array antenna 29, and the phased array antenna 29 includes the hinge 3, The fixing member 10 and the fixing member 11 are attached while being shifted vertically and horizontally.

FIG. 5 is a view showing the movement of the lifting support leg according to Embodiment 1 of the present invention. FIG. 5 (a) is a view before the movement, and the lifting support leg 1 is housed inside the vehicle. State. FIG. 5B is a view after the movement, and shows a state in which the lifting support leg 1 is moved to the outside of the vehicle when the antenna is operated.
As shown in FIG. 5, when the lifting support leg 1 applies an external force from the direction A, the lifting support leg 1 rotates around the hinge connecting portion 14 to which the triaxial hinge 4 and the triaxial hinge 5 are fixed, As shown in FIG. 5B, the lifting support leg 1 is rotated 45 ° from the position before the movement, and the triaxial hinge 4 and the pin hole 15 of the triaxial hinge 5 are fixed to the fixing member 10 and the fixing member of the phased array antenna 29. Move to 11. After the lifting support leg 1 is moved, the lifting support leg 1 is fixed to the phased array antenna 29 by passing the pins 12 through the triaxial hinge 4 and the fixing member 10, the triaxial hinge 5 and the fixing member 11.

  Then, after fixing the elevating support leg 1 to the phased array antenna 29, the jack 9 is extended, and as shown in FIG. 4, the jack 9 is extended to the truss connecting portion 25 side shown in FIG. A downward force is applied to the parallel link 7 and the parallel link 8 via the member 6, the parallel link 7 is rotated about the triaxial hinge 4, the parallel link 8 is rotated about the triaxial hinge 5, and the lift legs 2 is moved downward with respect to the phased array antenna 29.

  After extending the jack 9, the gear box 13 is driven to extend the lifting / lowering leg 2 to be grounded. After the grounding, the lifting / lowering leg 2 is continuously extended to thereby extend the phased array antenna 29 as shown in FIG. Can be raised to the upper part of the vehicle.

FIG. 6 is a comparison diagram of the lift support leg storage state with and without the link mechanism according to Embodiment 1 of the present invention. In FIG. 6, the legs drawn with a broken line represent the case without the link mechanism of the prior art, while the legs drawn with the solid line represent the case without the link mechanism shown in the first embodiment.
FIG. 6A is a view when the leg is stored at the same height when the link mechanism is present and when the link mechanism is not present, and FIG. 6B is the same when the link mechanism is present and when the link mechanism is not present. It is a figure at the time of accommodating a leg part in the width.
6A and 6B, when the link mechanism is present, the storage space is smaller in the case where the link mechanism is present than in the case where the link mechanism is not present in both FIGS. 6A and 6B.

  As described above, according to the first embodiment, the elevating support leg 1 includes the three-axis hinge 4 and the three-axis hinge 5 connected to the phased array antenna 29, the parallel link 7 connected to the three-axis hinge 4, and 3 Parallel link 8 connected to shaft hinge 5, parallel link 7 and truss member 6 connected to parallel link 8, lifting leg 2 connected to truss member 6, jack 9 connected to triaxial hinge 4 and truss member 6 And by extending the jack 9, the parallel link 7 is rotated about the triaxial hinge 4 via the truss member 6, the parallel link 8 is rotated about the triaxial hinge 5, and the lifting leg 2 is By moving, the phased array antenna 29 can be raised and lowered without attaching the antenna lifting device to the vehicle side.

  Further, according to the first embodiment, by using the link mechanism, there is an effect that the storage space can be made smaller than when the link mechanism is not used.

  Further, according to the first embodiment, since there is no need to provide an additional member such as an auxiliary leg that needs to be attached / detached, a space for mounting the additional member becomes unnecessary, and thus there is no restriction on the location where the phased array antenna 29 is mounted. There is an effect that can be.

  Further, according to the first embodiment, an additional member such as an auxiliary leg that needs to be attached / detached is not provided on the vehicle side and the phased array antenna 29, so that a member that fixes the auxiliary leg to the vehicle side or the like becomes unnecessary. Therefore, there is an effect that the mass of the entire vehicle can be reduced.

  Further, according to the first embodiment, the labor for attaching and detaching the auxiliary legs is not required, so that the work at the time of raising and lowering the phased array antenna 29 is facilitated.

Embodiment 2. FIG.
FIG. 7 is a configuration diagram of an elevating support leg using a winch according to Embodiment 2 of the present invention.
FIG. 7A is a diagram when the lifting support legs are stored, and FIG. 7B is a diagram when the antenna is operated.
In FIG. 7, the winch 27 is for driving the link mechanism instead of the jack 9 of the first embodiment, and the fixed link 28 is for fixing the link mechanism. The chain tip of the winch 27 is fixed to the truss member 6. When the lifting support leg 1 is deployed, the link mechanism is driven by the weight of the leg by rotating the handle of the winch 27. After the elevating support leg 1 is deployed, the link mechanism is fixed by connecting the fixed link 28 between the truss member 6 and the triaxial hinge 5.
When the link mechanism is driven using the jack 9 according to the first embodiment, the handle for driving the jack 9 is located at the place where the handle connecting portion 26 in FIG. 3D is connected. It moves with it, and it becomes difficult to carry out deployment work. When the winch 27 according to the second embodiment is used, the location of the handle is fixed to the winch 27 and the like, and therefore the location of the handle is fixed even when the winch 27 is operated. Operability is improved.

  As described above, according to the second embodiment, by using the winch 27 instead of the jack 9, there is an effect that the phased array antenna 29 can be raised and lowered without attaching the antenna lifting device to the vehicle side. .

  Further, according to the second embodiment, by using the winch 27 instead of the jack 9, the location of the handle is fixed to the winch 27 or the like, so that the deployment work is facilitated and the operability is improved. Play.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall view when an antenna is operated, with a lift support leg extended downward when the vehicle phased array antenna according to Embodiment 1 of the present invention is running on a vehicle. It is the upper side figure and side view at the time of accommodation of the raising / lowering support leg which concerns on Embodiment 1 of this invention. It is detail drawing of the components which comprise the link mechanism of the raising / lowering support leg based on Embodiment 1 of this invention. It is the top view and side view at the time of antenna operation of the raising / lowering support leg which concerns on Embodiment 1 of this invention. It is the figure which showed the movement of the raising / lowering support leg which concerns on Embodiment 1 of this invention. It is a raising / lowering support leg accommodation state comparison figure by the presence or absence of the link mechanism which concerns on Embodiment 1 of this invention. It is a block diagram of the raising / lowering support leg using the winch which concerns on Embodiment 2 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Lifting support leg, 2 Lifting leg, 3 Hinge, 4,5 3 axis hinge, 6 Truss member, 7, 8 Parallel link, 9 Jack, 10, 11 Fixing member, 12 Pin, 13 Gear box, 14, 18, 24 Hinge connection, 15 pin hole, 16, 20, 21 Link connection, 17, 22 Jack connection, 19 Truss connection, 23 Fixed interface, 25 Truss connection, 26 Handle connection, 27 Winch, 28 Fixed link, 29 Phased array antenna.

Claims (2)

An upper first rotation axis about the horizontal direction;
An upper first hinge, one connected to the upper part of the antenna, the other connected to the upper first rotating shaft and having the vertical axis as an axis;
A first link, one connected to the upper first rotating shaft and the other connected to an upper second rotating shaft having an axis parallel to the axis of the upper first rotating shaft;
A lower first rotation axis about the horizontal direction;
A lower first hinge having one side connected to the lower part of the antenna and the other connected to the lower first rotating shaft, with the vertical direction as an axis;
A second link, one connected to the lower first rotating shaft and the other connected to the lower second rotating shaft having an axis parallel to the axis of the lower first rotating shaft;
One is connected to the lifting leg, the other end is connected to the first link via the upper second rotating shaft, and the other end is connected to the first link via the lower second rotating shaft. A transformer member connected to,
A jack having one end connected to the upper first rotating shaft via a hinge connection portion and the other end connected to the transformer via a transformer connection portion;
The jack is provided with a handle connecting portion, and the jack is expanded and contracted by a handle operation. By extending the jack, the lifting leg is moved downward with respect to the antenna, and the antenna is moved upward. Lifting support legs. An upper first rotation axis about the horizontal direction;
An upper first hinge, one connected to the upper part of the antenna, the other connected to the upper first rotating shaft and having the vertical axis as an axis;
A first link, one connected to the upper first rotating shaft and the other connected to an upper second rotating shaft having an axis parallel to the axis of the upper first rotating shaft;
A lower first rotation axis about the horizontal direction;
A lower first hinge having one side connected to the lower part of the antenna and the other connected to the lower first rotating shaft, with the vertical direction as an axis;
A second link, one connected to the lower first rotating shaft and the other connected to the lower second rotating shaft having an axis parallel to the axis of the lower first rotating shaft;
One is connected to the lifting leg, the other end is connected to the first link via the upper second rotating shaft, and the other end is connected to the first link via the lower second rotating shaft. A transformer member connected to,
A winch connected to the upper first hinge;
The tip of the chain of the winch is fixed to the truss member. When the antenna is moved upward, the link mechanism is driven by the weight of the leg by rotating the handle of the winch, and the fixed link is connected to the truss member and the truss member. An elevating support leg for fixing a link mechanism by connecting between lower hinges .

Images