JP5230121B2 - Antenna device - Google Patents

Description

  The present invention relates to a rotator device and an antenna device, and in particular, the total rotation amount in both the left and right directions of the rotator can be set to an amount exceeding 360 °, and the rotation in both the left and right directions is restricted from exceeding a predetermined angle. The present invention relates to a rotating body device and an antenna device.

  The robot base and swivel drum in an industrial robot, the base of the antenna device and the rotating body on which the antenna device is mounted, the base of the monitoring camera and the monitoring camera, etc. are connected to each other so that they can rotate freely. It is known that the rotation amount of the other rotating body is set to limit the rotation of the rotating body.

  By the way, the amount of rotation of the rotating body with respect to the non-rotating body may be an indispensable condition to set the total amount of rotation in the clockwise and counterclockwise rotation directions, that is, the left and right rotation directions, to exceed 360 °. Since there are many, a rotation restricting means is used that rotates in a range in which the total rotation amount in the left-right rotation direction exceeds 360 ° and restricts the rotation of the rotating body at an arbitrary position in the left-right rotation direction.

  Conventionally, as this kind of rotation restricting means, one as shown in FIG. 7 is known (see, for example, Patent Document 1). In FIG. 7, the rotating body device includes a non-rotating body 1 and a rotating body 2 rotatably provided on the non-rotating body 1. A first mechanical stopper 3 protrudes from the outer periphery of the rotating body 2, and a second mechanical stopper 4 with which the first mechanical stopper 3 abuts is provided on the non-rotating body 1. Yes.

  Fixed ends 5 and 6 are provided on both sides of the second mechanical stopper 4, and the fixed ends 5 and 6 are fixed to the non-rotating body 1. A linear sliding rod 7 is provided between the fixed ends 5 and 6, and the second mechanical stopper 4 slides linearly along the sliding rod 7, and is fixed to the fixed ends 5 and 6. The movement of the fixed ends 5 and 6 to the outside is restricted by contact.

  Further, in this rotating body device, when the rotating body 2 rotates in the clockwise direction and the first mechanical stopper 3 comes into contact with the second mechanical stopper 4, the second mechanical stopper 4 is slipped 7 And the movement is restricted by contacting the fixed end 5.

When the rotating body 2 rotates counterclockwise and the first mechanical stopper 3 abuts on the second mechanical stopper 4, the second mechanical stopper 4 slides on the slide rod 7. The movement is restricted by coming into contact with the fixed end 6. As a result, the total amount of rotation of the rotating body 2 in the left-right direction can be set to exceed 360 °, and the rotating body 2 can be rotated at an arbitrary position in each of the clockwise and counterclockwise rotating directions. It can be regulated (see, for example, Patent Document 1).
JP 7-136972 A

  However, in such a conventional rotating body device, the first mechanical stopper 3, the second mechanical stopper 4, the fixed ends 5 and 6, and the sliding rod 7 are provided on the outer peripheral portion of the rotating body 2. Therefore, there has been a problem that the outer diameter of the non-rotating body 1 is increased, resulting in an increase in size of the rotating body device.

  Further, since the second mechanical stopper 4 is slidably provided on the linear sliding rod 7, the rotating body 2 cannot be rotated smoothly. In the worst case, the second mechanical stopper 4 There is a possibility that the mechanical stopper 4 bites into the sliding rod 7 and hinders the rotation of the rotating body 2.

  The present invention has been made to solve the conventional problems, and is a small rotating body device capable of smoothly rotating a rotating body by setting the total rotation amount of the rotating body in the left-right direction to 360 ° or more. An object is to provide an antenna device.

  The rotating body device according to the present invention includes a non-rotating body, a rotating body rotatably provided on the non-rotating body via a shaft member, and a rotation amount limit of the rotating body. A rotating body device including a rotation restricting means for restricting rotation, wherein the rotating body is provided over a predetermined length in a circumferential direction of the rotating body between an outer peripheral portion of the rotating body and the shaft member. The rotation restricting means includes a first stopper member slidably fitted to the guide member, and a non-rotating body of the non-rotating body. And a second stopper member fixed at a predetermined position and abutting against the first stopper member.

  With this configuration, a guide member is provided between the outer peripheral portion of the rotating body and the shaft member, and the guide member is provided over a predetermined length so as to extend in the same direction as the rotating direction of the rotating body. Since the first stopper member is slidably fitted and the second stopper member abutting against the first stopper member is fixed at a predetermined position of the non-rotating body, the rotating body is predetermined in the clockwise direction from the neutral position. When the angle is rotated, the first stopper member comes into contact with the second stopper member.

  At this time, as the rotating body rotates, the first stopper member slides along the guide member in contact with the second stopper member, so that the rotating body is allowed to rotate. When the first stopper member comes into contact with one end in the circumferential direction of the guide member as the rotating body rotates, the rotating body collides with the second stopper member via the first stopper member and the rotation is restricted. Is done.

  When the rotating body rotates a predetermined angle in the counterclockwise direction from this state, the first stopper member comes into contact with the second stopper member. At this time, as the rotating body rotates, the first stopper member slides along the guide member in contact with the second stopper member, so that the rotating body is allowed to rotate.

  Then, when the first stopper member comes into contact with the other circumferential end of the guide member as the rotating body rotates, the rotating body collides with the second stopper member via the first stopper member and rotates. Be regulated. As a result, the total rotation amount of the rotating body in the left-right direction can be set to 360 ° or more, and the rotation of the rotating body can be restricted.

  Further, since the guide member and the first stopper member are provided between the outer peripheral portion of the rotating body and the shaft member, it is possible to prevent the rotating body from becoming large and the rotating body device to be enlarged. Can be prevented.

In addition, since the guide member extends in the same direction as the rotation direction of the rotating body, the first stopper member comes into contact with the second stopper member and the first stopper member slides with respect to the guide member. Sometimes the rotating body can be smoothly rotated. For this reason, it is possible to prevent the rotation of the rotating body from being hindered, and the total rotation amount of the rotating body in the left-right direction can be surely set to 360 ° or more.
Moreover, the total rotation amount of the rotating body in the left-right direction can be increased by making the guide member longer in the circumferential direction.

  Further, in the guide member of the rotating body device according to the present invention, the guide member has a rail-shaped notch groove, and the first stopper member is slidably fitted into the notch groove. It is comprised from what was provided with the fitting part and the protrusion part which protrudes in the said non-rotating side from the said fitting part, and contact | abuts to the said 2nd stopper member.

  With this configuration, a rail-shaped notch groove is formed in the rotating body, and the fitting portion of the first stopper member is slidably fitted into the notch groove, and the second stopper member is slidably fitted to the fitting portion. Since the projecting portion that contacts the projecting portion is projected, the configuration of the rotation restricting means can be simplified.

An antenna device according to the present invention is an antenna device having the above-described rotating body device, and includes an antenna unit mounted on the rotating body and a signal mounted between the antenna unit and the antenna unit. And a transmission / reception apparatus that performs transmission / reception.
With this configuration, the total rotation amount in the left-right direction of the antenna unit can be set to 360 ° or more to smoothly rotate the antenna unit, and the antenna device can be downsized.

  The present invention can provide a small rotator device and an antenna device capable of smoothly rotating a rotator by setting the total amount of rotation of the rotator in the left-right direction to 360 ° or more.

Hereinafter, embodiments of a rotating body device and an antenna device according to the present invention will be described with reference to the drawings.
FIGS. 1-6 is a figure which shows one Embodiment of the rotary body apparatus and antenna apparatus based on this invention.

First, the configuration will be described.
1 and 2, a base 11 as a non-rotating body is provided with a fixed shaft 12 as a shaft member. A rectangular mounting base as a rotating body is provided on the fixed shaft 12 via a bearing 13. 14 is rotatably provided. In the present embodiment, the base 11 and the mounting base 14 constitute the rotating body device 10.

  Further, as shown in FIG. 3, the mounting base 14 is provided with a pair of rail-shaped notch grooves 15a and 15b as guide members. The notch grooves 15 a and 15 b extend between the outer peripheral portion of the mounting base 14 and the bearing 13 over a predetermined length in the circumferential direction of the mounting base 14, and the extending direction is the rotation direction of the mounting base 14. And the same direction. In the present embodiment, the circumferential lengths of the notch grooves 15a and 15b including the plate thickness of the fitting portion 16a to be described later, that is, the extending angle of the notch grooves 15a and 15b is the same as that of the mounting base 14. It is set to be curved so that it is at an angle of about 50 ° with respect to the center of rotation.

A first stopper member 16 is attached to the notch grooves 15a and 15b, and the first stopper member 16 is slidably fitted into the notch grooves 15a and 15b. And the protrusion part 16b which protrudes toward the base 11 from the fitting part 16a is provided (refer FIG. 3). Incidentally, notched groove 15a of the fitting portion 16a, in order to smoothly slide along the 15b, the fitting portion 16a and the notched groove 15a, or interposed a low friction member between 15b, the oil encapsulated May be.

  The base 11 is provided with a second stopper member 17, and the protruding portion 16 b of the first stopper member 16 comes into contact with the second stopper member 17. That is, the second stopper member 17 is provided so as to be in the same locus as the movement locus of the protruding portion 16 b so as to abut on the protruding portion 16 b of the first stopper member 16 within the rotation range of the mounting base 14. ing.

Further, one side surface A of the fitting portion 16a in a state where the fitting portion 16a is in contact with one end portion in the circumferential direction of the cutout grooves 15a and 15b in a state where the mounting base 14 is located at the neutral position (shown in FIG. 1). To the second stopper member 17 is set to 200 °.
In the state where the fitting base 16 is in the neutral position and the fitting portion 16a is in contact with the other circumferential end of the notch grooves 15a and 15b, the second stopper is formed from the other side B of the fitting portion 16a. The angle to the member 17 is set to 150 °.

  Further, in the present embodiment, the other side surface of the fitting portion 16a in a state in which the fitting portion 16a is in contact with the other circumferential end of the notched grooves 15a and 15b with the mounting base 14 positioned at the neutral position. The angle from B to the second stopper member 17 is set to 200 °. Further, in a state where the fitting portion 16a is in contact with one end in the circumferential direction of the cutout grooves 15a and 15b with the mounting base 14 being in the neutral position, the second stopper member is formed from the other side surface B of the fitting portion 16a. The angle up to 17 is set to 150 °.

  On the other hand, an antenna portion 21 is mounted on the mounting base 14 as shown in FIG. The antenna portion 21 includes a ground conductor plate 23 attached to one end portion of the frame 22, and the other end portion of the frame 22 is fixed to the attachment base 14.

  The antenna unit 21 is provided with a plurality of antennas 28. The antenna 28 includes a power feeding antenna element 25 arranged on the surface of the electrical insulator 24 fixed to the front surface of the ground conductor plate 23, and a power feeding antenna element. The electric insulator 26 is fixed on the electric insulator 26, and the parasitic antenna element 27 is fixed on the electric insulator 26.

  The antenna 28 is disposed diagonally on the front surface of the ground conductor plate 23, and each feeding antenna element 25 is fastened and fixed to the ground conductor plate 23 by screws 29.

  Further, a flat high frequency circuit unit 30 is provided in the other end portion of the frame 22. When a signal is output from the high frequency circuit unit 30 to each power supply antenna element 25 via the cable 31, The antenna element 25 converts this signal into a radio wave, and the converted radio wave is radiated from each feeding antenna element 25 toward an external geostationary satellite or the like.

  On the other hand, when each feeding antenna element 25 receives a radio wave from an external geostationary satellite or the like, the received radio wave is converted into a signal and output from a not-shown antenna duplexer to a not-shown receiving circuit. The receiving circuit amplifies the input signal and outputs the amplified signal to the high-frequency circuit unit 30 via the cable 31. In the present embodiment, the antenna duplexer, the reception circuit, and the high frequency circuit unit 30 constitute a transmission / reception device that transmits and receives signals to and from the antenna unit 21.

  In the present embodiment, the first stopper member 16 slidably fitted into the notch grooves 15 a and 15 b formed in the mounting base 14 and the second stopper member 17 provided on the base 11. Constitutes a rotation restricting means, and the rotating body device 10 and the antenna unit 21 constitute an antenna device.

Next, the rotation operation of the mounting base 14 will be described with reference to FIGS.
5 shows a state where the mounting base 14 is restricted in the clockwise direction, and FIG. 6 shows a state where the mounting base 14 is restricted in the counterclockwise direction.

  First, when the mounting base 14 is rotated in the clockwise direction as shown in FIG. 5 from the neutral state as shown in FIG. 1, the first stopper member 16 moves together with the mounting base 14 while being held by the mounting base 14. .

  When the mounting base 14 further rotates, the protruding portion 16 b of the first stopper member 16 comes into contact with the second stopper member 17. At this time, when the mounting base 14 further rotates, the fitting portion 16a of the first stopper member 16 moves along the notch grooves 15a and 15b toward one end in the circumferential direction of the notch grooves 15a and 15b.

  When the mounting base 14 further rotates in the clockwise direction, the fitting portion 16a comes into contact with one end in the circumferential direction of the cutout grooves 15a and 15b, so that the mounting base 14 is connected to the second stopper via the first stopper member 16. It contacts the member 17. For this reason, the mounting base 14 is restricted from moving in the clockwise direction.

  On the other hand, when the mounting base 14 rotates counterclockwise as shown in FIG. 6 from the neutral state as shown in FIG. 1, the first stopper member 16 moves together with the mounting base 14 while being held by the mounting base 14. To do.

When the mounting base 14 further rotates, the protruding portion 16 b of the first stopper member 16 comes into contact with the second stopper member 17. At this time, when the mounting base 14 further rotates, the fitting portion 16a of the first stopper member 16 moves along the notch grooves 15a and 15b toward the other circumferential end of the notch grooves 15a and 15b.
When the mounting base 14 further rotates in the counterclockwise direction, the fitting portion 16a comes into contact with the other circumferential end of the notch grooves 15a and 15b, so that the mounting base 14 is second through the first stopper member 16. The stopper member 17 comes into contact. For this reason, the attachment base 14 is restricted from moving in the counterclockwise direction.

  As described above, in the present embodiment, the rail-shaped cutout grooves 15a and 15b are formed between the outer peripheral portion of the mounting base 14 on which the antenna portion 21 is mounted and the fixed shaft 12, and the cutout grooves 15a and 15b are attached. Provided over a predetermined length so as to extend in the same direction as the rotation direction of the base 14, the first stopper member 16 is slidably fitted into the notch grooves 15 a and 15 b, and a predetermined position of the base 11 Since the second stopper member 17 that contacts the first stopper member 16 is fixed to the first stopper member 16, when the mounting base 14 rotates a predetermined angle in the clockwise or counterclockwise direction from the neutral position, the first stopper member 16 In this state, the first stopper member 16 can be slid along the notch grooves 15a and 15b, and the rotation of the mounting base 14 can be allowed.

  When the first stopper member 16 comes into contact with one circumferential end or the other circumferential end of the cutout grooves 15a and 15b as the mounting base 14 rotates, the mounting base 14 is moved to the first stopper member 16. Thus, the rotation of the mounting base 14 can be restricted by making it collide with the second stopper member 17.

  Further, in the present embodiment, the notch grooves 15a and 15b and the first stopper member 16 are provided between the outer peripheral portion of the mounting base 14 and the fixed shaft 12, so that the mounting base 14 is prevented from being enlarged. It is possible to prevent the rotating body device 10 from becoming large. As a result, since the antenna device including the rotating body device 10 and the antenna unit 21 can be determined by the size of the mounting base 14, it is possible to prevent the antenna device from becoming large.

  In addition, since the notch grooves 15a and 15b extend in the same direction as the rotation direction of the mounting base 14, the first stopper member 16 comes into contact with the second stopper member 17 so that the first stopper member 16 When sliding with respect to the notch grooves 15a and 15b, the mounting base 14 can be smoothly rotated. For this reason, it is possible to prevent the rotation of the mounting base 14 from being inhibited, and the total rotation amount of the antenna unit 21 in the left-right direction can be reliably set to 360 ° or more via the mounting base 14.

  Further, in the present embodiment, the notch grooves 15a and 15b are extended at an angle of about 50 ° with respect to the rotation center of the mounting base 14, and the fitting portion is in a state where the mounting base 14 is located at the neutral position. In the state where 16a is in contact with one circumferential end of the notch grooves 15a and 15b, the angle from one side surface A of the fitting portion 16a to the second stopper member 17 is set to 200 ° and the mounting base 14 The angle from the other side surface B of the fitting portion 16a to the second stopper member 17 in a state where the fitting portion 16a is in contact with the other circumferential end of the cutout grooves 15a and 15b in a state where is located at the neutral position Is set to 200 °, the total rotation amount of the mounting base 14 can be set to 400 °.

  The total amount of rotation of the mounting base 14 can be further increased by increasing the circumferential length of the notch grooves 15a and 15b. For example, the angle in the circumferential direction of the notch grooves 15a and 15b is set to 170 °, the angle from one side surface A of the fitting portion 16a to the second stopper member 17 is set to 180 °, and the other of the fitting portion 16a. If the angle from the side surface B to the second stopper member 17 is set to 350 ° (equivalent to setting it to 200 ° in FIG. 1), the total rotation amount of the mounting base 14 can be set to 700 °.

  Even in this case, the notch grooves 15a and 15b and the first stopper member 16 may be provided between the outer peripheral portion of the mounting base 14 and the fixed shaft 12, so that the mounting base 14 is prevented from being enlarged. be able to.

  In the present embodiment, the guide member is constituted by notched grooves 15a and 15b formed in the mounting base 14, and the first stopper member 16 is slidably fitted into the notched grooves 15a and 15b. Since it comprises the fitting part 16a to be projected and the projecting part 16b that projects from the fitting part 16a to the base 11 and contacts the second stopper member 17, the configuration of the rotation restricting means can be simplified.

  In the present embodiment, a notch groove as a guide member is formed in the mounting base 14, but a convex guide member is formed in the mounting base 14, and a first stopper is formed on the convex guide member. You may make it fit a member.

In this case, a fitting portion that sandwiches the convex guide member between the first stopper member is formed, the fitting portion is slid along the convex guide member, and the circumferential direction of the convex guide member A stopper for restricting the movement of the fitting portion may be provided at both ends.
In addition, the embodiment disclosed this time is illustrative in all respects and is not limited to this embodiment. The scope of the present invention is shown not by the above description of the embodiments but by the scope of the claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of the claims.

  As described above, the rotating body device and the antenna device according to the present invention can smoothly rotate the rotating body by setting the total rotation amount of the rotating body in the left-right direction to 360 ° or more, and can be downsized. Rotating body device capable of setting the total amount of rotation in both the left and right directions of the rotating body to an amount exceeding 360 ° and restricting rotation in both the left and right directions by more than a predetermined angle. It is useful as an antenna device.

It is a figure which shows one Embodiment of the rotary body apparatus and antenna device which concern on this invention, and is a top view of a rotary body apparatus. It is a figure which shows one Embodiment of the rotary body apparatus and antenna apparatus which concern on this invention, and is a front view of a rotary body apparatus. It is a figure which shows one Embodiment of the rotary body apparatus and antenna apparatus which concern on this invention, and is a figure which shows the positional relationship of a notch groove and a 1st stopper member. It is a figure which shows one Embodiment of the rotary body apparatus and antenna device which concern on this invention, and is a perspective view of an antenna device. It is a figure which shows one Embodiment of the rotary body apparatus and antenna apparatus which concern on this invention, and is a figure which shows the state by which the attachment base was rotation-controlled in the clockwise rotation direction. It is a figure which shows one Embodiment of the rotary body apparatus and antenna apparatus which concern on this invention, and is a figure which shows the state by which the attachment base was rotation-controlled in the anticlockwise rotation direction. It is a top view of the conventional rotary body apparatus.

Explanation of symbols

10 Rotating body device (antenna device)
11 Base (non-rotating body)
12 Fixed shaft (shaft member)
14 Mounting base (Rotating body)
15a, 15b Notch groove (guide member)
16 First stopper member (rotation restricting means)
16a Fitting portion 16b Protruding portion 17 Second stopper member (rotation restricting means)
21 Antenna (antenna device)
30 High-frequency circuit unit (transceiver)

Claims (1)

A non-rotating body, a rotating body provided rotatably on the non-rotating body via a shaft member, and a rotation restricting means for restricting the rotation of the rotating body by setting a limit on the amount of rotation of the rotating body. Prepared,
The rotating body is provided between the outer peripheral portion of the rotating body and the shaft member over a predetermined length in the circumferential direction of the rotating body, and a guide member extending in the same direction as the rotating direction of the rotating body is provided. Have
A first stopper member that is directly slidably fitted to the guide member; and a second stopper member that is fixed at a predetermined position of the non-rotating body and contacts the first stopper member. And comprising
The guide member is constituted by a rail-shaped cutout groove formed integrally with the rotating body,
The first stopper member includes a fitting portion that is slidably fitted directly into the notch groove, and a protruding portion that projects from the fitting portion to the non-rotating side and contacts the second stopper member. equipped with a,
An antenna device having a rotating body device in which the fitting portion and the protruding portion are integrally formed ,
An antenna apparatus comprising: an antenna section mounted on the rotating body; and a transmitting / receiving apparatus mounted on the rotating body and transmitting / receiving signals to / from the antenna section.

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