WO2019194061A1

WO2019194061A1 - Stand

Info

Publication number: WO2019194061A1
Application number: PCT/JP2019/013532
Authority: WO
Inventors: 中村　亮
Original assignee: 有限会社スコープテック
Priority date: 2018-04-04
Filing date: 2019-03-28
Publication date: 2019-10-10
Also published as: JPWO2019194061A1; JP6667804B1

Abstract

[Problem] To provide a frame for attaching a telescope to a leg member. [Solution] A frame 1 is provided with a first arm part 4, a second arm part 5, an extension-direction changing part 6, and a balance adjustment part 7. The first arm part 4 is fixed to a leg member 3 so as to be able to rotate about a first rotation axis X. The second arm part 5 extends in a direction substantially orthogonal to the extension direction of the first arm part 4, and a fourth end part 52 side thereof cantilever-supports an attachment part 22 provided to a side surface of a telescope 2 so that the attachment part 22 can rotate about a second rotation axis Y substantially orthogonal to the extension direction of the second arm part 4. The extension-direction changing part 6 can change the extension direction of the second arm part 5 to a position rotated a predetermined angle about the extension direction of the first arm part 4. The balance adjustment part 7 extends from the second arm part 5 in the opposite direction from the attachment part 22, and can retain one or a plurality of adjustment weights 8 in one or a plurality of positions in the extension direction of the balance adjustment part 7.

Description

Stand

The present invention relates to a mount for attaching a telescope to a leg member.

Conventionally, there are two types of pedestal and equatorial mounts that can be used to mount the telescope on a tripod so that the orientation of its barrel can be changed.

In the gratitude table, the direction of the lens barrel can be changed between two axes, a horizontal axis and a vertical axis (for example, see Patent Document 1). On the other hand, except that the equator has a mechanism for aligning the horizontal axis in parallel with the ground axis, the basic structure itself is the same as the pedestal (see, for example, Patent Document 2).

JP 2017-134296 A JP 2007-072278 A

By the way, there are various types such as “seesaw type”, “T-shaped type”, “both-end fork type”, “cantilevered fork type”, etc., among them, as disclosed in Patent Document 1 The “cantilevered fork-type” pedestal is superior in that it is lightweight and can be fitted with telescopes of various sizes. However, in the case of the “cantilevered fork type”, it has been difficult for the following steps and the equatorial mount to serve as both with a single mount, although the basic structure is the same.

For example, in the scale, as shown in FIG. 3A, when the arm portion 5 extends in the vertical direction, the lens barrel 21 hits the leg member 32, and the lens barrel 21 cannot be directed in the vertical direction. Therefore, normally, as shown in FIG. 3B, the arm portion 5 extends obliquely upward.

On the other hand, when using the graticule as an equatorial mount, as shown in FIG. 4, an angle plate 9 set at an angle of (90 degrees-latitude) is provided between the leg member 32 and the pedestal (the graticule). As shown in FIG. 4 (a), when an abutment platform in which the angle plate 9 is sandwiched and the arm portion 5 extends obliquely upward is used as an equator, as shown in FIG. 4 (a), it is shown in FIG. 5 (a). As described above, since the center of gravity of the telescope 2 is different from the rotation axis X of the gantry 1, the gantry 1 is arbitrarily rotated by the weight, and there is a possibility that stable observation cannot be performed.

Therefore, an object of the present invention is to provide a gantry that can perform stable observation while also serving as a cantilevered fork and a equator.

The present invention is a pedestal for attaching a telescope to a leg member, and has a first end and a second end in the extending direction, and the first end side is fixed to the leg member. A first arm portion, a third end portion and a fourth end portion extending in a direction substantially orthogonal to the extending direction of the first arm portion, and the third end A second arm portion that is connected to the second end portion side of the first arm portion, and a fourth arm portion that cantilever-supports a mounting portion provided on a side surface of the telescope; An extending direction changing portion capable of changing an extending direction of the second arm portion to a position rotated by a predetermined angle around the extending direction of the first arm portion; and the attachment portion from the second arm portion And extending from the first end side of the first arm portion to at least one side opposite to the second end portion A balance adjustment portion, and the first end portion side is fixed to the leg member so as to be rotatable around a first rotation axis substantially orthogonal to the extending direction of the first arm portion, The fourth end side cantilevered the mounting portion so that the mounting portion can rotate around a second rotation axis that is substantially orthogonal to the extending direction of the second arm portion, The balance adjustment unit provides a gantry characterized in that one or more adjustment weights can be held at one or more positions in the extending direction.

According to such a configuration, the second arm portion extends obliquely upward from the mounting surface of the leg member when used as a theft, and the second arm when used as an equatorial mount. By extending the part vertically from the placement surface, it is possible to use a single pedestal as a cantilevered fork-type pedestal and an equatorial mount. When using the gantry 1 as an equatorial mount, the extension direction change unit adjusts the extension direction of the second arm to the vertical direction, thereby maintaining the balance in the length direction of the telescope and adjusting the weight. It is possible to maintain the diametrical balance of the telescope by adjusting the position of. Once adjusted, the telescope can be prevented from rotating freely around the first rotation axis, regardless of the position of the telescope, enabling stable observation. It becomes.

Further, when the gantry of the present invention is used as an equator, it is preferable that the first end side is fixed to the leg member via an angle plate.

According to another aspect of the present invention, there is provided a pedestal for attaching the telescope to the leg member, and has a first end and a second end in the extending direction, and the first end A first arm portion whose end side is fixed to the leg member, a first arm portion extending in a direction substantially perpendicular to the extending direction of the first arm portion, and a third end portion and a fourth end portion, The third end side is connected to the second end side of the first arm portion, and the fourth end side cantileveres a mounting portion provided on a side surface of the telescope. A second arm portion; and an extending direction changing portion capable of changing the extending direction of the second arm portion to a position rotated by a predetermined angle around the extending direction of the first arm portion. The first end portion side is fixed to the leg member so as to be rotatable around a first rotation axis that is substantially orthogonal to the extending direction of the first arm portion. The fourth end side cantilever-supports the attachment portion so that the attachment portion can rotate around a second rotation axis that is substantially orthogonal to the extending direction of the second arm portion. The second arm portion includes an engaging portion that is engaged so that a balance adjusting portion extends to the side opposite to the attachment portion, and the first arm portion includes the first arm portion. At least one of the engaging portions that are engaged so as to extend from the end portion side to the side opposite to the second end portion is provided, and the balance adjusting portion is one or more in the extending direction. There is provided a gantry characterized in that one or a plurality of adjustment weights can be held at the position.

According to the gantry of the present invention, it is possible to perform stable observation while serving as a cantilevered fork and a equator.

Explanatory drawing of the usage state of the mount frame by embodiment of this invention The perspective view of the mount frame by embodiment of this invention Explanatory drawing of the use of a gantry as a pedestal according to an embodiment of the present invention Explanatory drawing of the use of the gantry as an equatorial mount according to the embodiment of the present invention Explanatory drawing when using a gantry according to an embodiment of the present invention as an equator Explanatory drawing when using a gantry according to an embodiment of the present invention as an equator Explanatory drawing when using a gantry according to an embodiment of the present invention as an equator Explanatory drawing of the adjustment weight by the modification of this invention Explanatory drawing of the balance adjustment part by the modification of this invention

Hereinafter, a gantry 1 according to an embodiment of the present invention will be described with reference to FIGS.

The gantry 1 is a cantilevered fork type, and is for attaching the telescope 2 to the leg member 3 as shown in FIG.

The telescope 2 includes a lens barrel 21 and an attachment portion 22 provided on a side surface of the lens barrel 21. The attachment portion 22 is preferably provided at the position of the center of gravity in the length direction of the lens barrel 21, and in the present embodiment, the substantially center portion in the length direction is set as the position of the center of gravity. Therefore, the attachment part 22 shall be provided in the approximate center part of the length direction.

The leg member 3 includes a leg portion 31 and a substantially flat mounting surface 32 fixed on the leg portion 31. In the present embodiment, a tripod will be described as an example of the leg member 3.

As shown in FIG. 2, the gantry 1 includes a first arm portion 4, a second arm portion 5, an extending direction changing portion 6, and a balance adjusting portion 7.

The first arm portion 4 has a substantially rectangular parallelepiped shape having a first end portion 41 and a second end portion 42, and the first arm portion 4 is a leg member on the first end portion 41 side. 3 is fixed on the mounting surface 32 so as to extend in a direction substantially parallel to the mounting surface 32 (FIG. 1) (substantially horizontal direction in FIG. 2). In the present embodiment, the first end 41 side is fixed on the mounting surface 32 via a rotating portion 43 that can rotate around a first rotation axis X that is substantially orthogonal to the mounting surface 32. Is done.

The second arm portion 5 has a substantially rectangular parallelepiped shape having a third end portion 51 and a fourth end portion 52, and the second arm portion 5 is first on the third end portion 51 side. The arm portion 4 is connected to the second end portion 42 side of the first arm portion 4 so as to extend in a direction substantially orthogonal to the extending direction of the arm portion 4 (obliquely upward in FIG. 2). In the present embodiment, a support portion 53 that can be connected to the attachment portion 22 provided on the side surface of the lens barrel 21 of the telescope 2 is provided on the side surface on the fourth end portion 52 side. With this configuration, the gantry 1 cantileveres the telescope 2.

The support portion 53 can rotate around a second rotation axis Y that is substantially orthogonal to the extending direction of the second arm portion 5, and is thereby connected to the support portion 53 via the attachment portion 22. The telescope 2 can rotate around the second rotation axis Y. Further, an engaging portion 54 that can be engaged with a balance adjusting portion 7 described later is provided in the vicinity of the center of the second arm portion 5 in the length direction.

The extending direction changing portion 6 is for changing the extending direction of the second arm portion 5 to a position rotated by a predetermined angle around the extending direction of the first arm portion 4. In the present embodiment, there is a chrysanthemum that can engage with each other at the tip of the second end portion 42 of the first arm portion 4 and the side surface of the third end portion 51 of the second arm portion 5. The extension direction changing portion 6 is formed, and the extension direction of the second arm portion 5 can be changed by changing the position where the chrysanthemum engages. Note that the engagement between the first arm part 4 and the second arm part 5 is held by the lock mechanism 61.

The balance adjustment unit 7 can be engaged with an engagement unit 54 provided on the second arm unit 5, and in the engaged state, extends from the second arm unit 5 to the side opposite to the attachment unit 22. Put out. In the present embodiment, a rod-shaped member is employed as the balance adjustment unit 7, and an adjustment weight 8 in which a through hole (not shown) is formed can be inserted into the balance adjustment unit 7.

Threads that fit together are cut on the outer periphery of the balance adjusting unit 7 and the inner periphery of the through hole of the adjustment weight 8, and the position of the adjustment weight 8 can be moved steplessly along the screw. Thereby, for example, the center of gravity of the gantry 1 and the telescope 2 moves to the side opposite to the attachment portion 22 as the position of the adjustment weight 8 is further away from the second arm portion 5.

Subsequently, a method of using the gantry 1 having the above configuration will be described.

First, when the gantry 1 is used as a “scale table”, as shown in FIG. 3A, when the second arm portion 5 extends in the vertical direction, the lens barrel 21 is placed on the mounting surface. 32 or the like, and the lens barrel 21 cannot be directed vertically. For this reason, when the gantry 1 is used as a “scale table”, the extending direction of the second arm portion 5 is adjusted diagonally upward by the extending direction changing portion 6 as shown in FIG. Are preferably used.

On the other hand, when the gantry 1 is used as an “equator”, as shown in FIG. 4, the triangular arm-shaped angle plate 9 is mounted on the mounting surface 32 of the leg member 3 and then the first arm portion. The first end 41 side of 4 is fixed on the angle plate 9 so as to be rotatable. Since the angle plate 9 is set to an angle of (90 degrees-latitude), the mount 1 can be used as an “equator” by attaching the angle plate 9.

FIG. 5 is a view of the lens barrel 21 viewed from the direction P in FIG. Here, as in the case of using as a “scale table”, when the second arm portion 5 extends obliquely upward from the angle plate 9, as shown in FIG. X is a position shifted from the position of the center of gravity in the length direction of the lens barrel 2 (substantially the central portion in the present embodiment). Therefore, the end portion 21b far from the first rotation axis X is directed downward due to the height difference between the

end portions

21a and 21b in the length direction of the telescope 2 (lens barrel 21) accompanying the inclination of the angle plate 9. (FIG. 4A), there is a possibility that the gantry 1 may rotate freely around the first rotation axis X.

On the other hand, as shown in FIG. 5B, when the second arm portion 5 extends vertically from the angle plate 9, the first rotation axis X is the center of gravity in the length direction of the lens barrel 21. Since the position coincides with the position (substantially central portion in the present embodiment), the distances from the first rotation axis X of both

end portions

21a and 21b of the telescope 2 (lens barrel 21) become equal, and the gantry 1 is Rotation around the first rotation axis X is prevented. Accordingly, when the gantry 1 is used as an “equator”, the extending direction of the second arm portion 5 is extended by the extending direction changing portion 6 as shown in FIGS. 4 (b) and 5 (b). It is preferable to adjust the angle plate 9 in the vertical direction with respect to the angle plate 9.

Here, an advantage of the cantilevered fork base 1 is that a telescope 2 of various sizes can be attached, but in many cases, unlike FIG. The rotation axis X is shifted from the position of the center of gravity in the diameter direction of the telescope 2 (lens barrel 21) (substantially central portion in the present embodiment). Therefore, even if the balance in the length direction of the telescope 2 (lens barrel 21) is maintained, the balance in the diameter direction of the telescope 2 (lens barrel 21) is not maintained, so the telescope 2 ( The gantry 1 is the first rotation shaft so that the end portion 21d far from the first rotation axis X is positioned downward (FIG. 7) due to the height difference between the

diameter end portions

21c and 21d of the lens barrel 21). There is a risk of rotating freely around X.

Therefore, in the gantry 1 according to the present embodiment, the position of the adjustment weight 8 in the balance adjustment unit 7 is adjusted in order to maintain the diametrical balance of the telescope 2 (lens barrel 21).

However, regarding the balance in the diametrical direction, it is necessary to consider not only the telescope 2 (lens barrel 21) but also the weight of the gantry 1, for example, when the weight and diameter of the telescope 2 are large as shown in FIG. Therefore, the weight on the gantry 1 (second arm portion 5) side must be increased. Therefore, in such a case, the adjustment weight 8 is adjusted so as to be away from the second arm portion 5. In this case, since only the position of the adjustment weight 8 is moved, the weight on the gantry 1 (second arm portion 5) side is not actually changed, but the adjustment weight 8 is the second arm portion. By moving away from 5, the moment increases, and as a result, the weight on the gantry 1 (second arm portion 5) side can be considered to have increased.

As described above, when the gantry 1 is used as an “equator”, the extension direction changing unit 6 adjusts the extending direction of the second arm unit 5 in the vertical direction, so that the telescope 2 (the lens barrel 21) is adjusted. ) In the length direction and the position of the adjustment weight 8 can be adjusted to maintain the balance in the diameter direction of the telescope 2 (lens barrel 21). Once adjusted, the gantry 1 is prevented from rotating freely about the first rotation axis X regardless of the position of the telescope 2, and stable observation is performed. It becomes possible.

As described above, the gantry 1 according to the present embodiment can extend the extending direction of the second arm portion 5 to a position rotated by a predetermined angle around the extending direction of the first arm portion 4. An exit direction changing unit 6 is provided.

According to such a configuration, when the gantry 1 is used as a scale, the second arm portion 5 extends obliquely upward from the placement surface 32, and when the pedestal 1 is used as an equator, By extending the arm portion 5 vertically from the mounting surface 32, it becomes possible for the single pedestal 1 to serve both as a cantilevered fork and a equator.

Further, the gantry 1 according to the present embodiment further includes a balance adjusting unit 7 that extends from the second arm unit 5 to the side opposite to the mounting unit 22, and the balance adjusting unit 7 has a plurality of positions in the extending direction. Thus, the adjustment weight 8 can be held.

According to such a configuration, when the gantry 1 is used as an equator, the extending direction changing unit 6 adjusts the extending direction of the second arm unit 5 in the vertical direction, so that the telescope 2 (mirror The balance in the diameter direction of the telescope 2 (lens barrel 21) can be maintained by maintaining the balance in the length direction of the tube 21) and adjusting the position of the adjustment weight 8. Once adjusted, the gantry 1 is prevented from rotating freely about the first rotation axis X regardless of the position of the telescope 2, and stable observation is performed. It becomes possible.

The gantry of the present invention is not limited to the above-described embodiment, and various modifications and improvements can be made within the scope described in the claims.

For example, in the above-described embodiment, the balance adjusting unit 7 is a rod-shaped member, but may be a member having another shape such as a plate-shaped member as long as the adjustment weight 8 can be held.

Moreover, in the said embodiment, the screw | thread which mutually fits is cut in the outer periphery of the balance adjustment part 7, and the inner periphery of the through-hole of the adjustment weight 8, and the position of the adjustment weight 8 is steplessly along a screw | thread. Although it is possible to move, as shown in FIG. 8, a method of fixing the adjustment weight 8 with a thumbscrew 81 or the like may be used. In addition, it may be movable steplessly or stepwise by a method such as adjustment of friction or formation of irregularities.

In the above embodiment, one adjustment weight 8 is used, but a plurality of adjustment weights 8 having different weights may be selected according to the situation. A plurality of adjustment weights 8 may be attached to the balance adjustment unit 7 at the same time.

Moreover, in the said embodiment, although the balance adjustment part 7 and the engaging part 54 were provided in the center vicinity of the length direction of the 2nd arm part 5, you may provide in another position and several. You may provide in the position.

Moreover, in the said embodiment, although the balance adjustment part 7 was extended on the opposite side to the attachment part 22 from the 2nd arm part 5, when the 2nd arm part 5 is heavy or the telescope 2 is light Therefore, it is necessary to increase the weight on the side different from the above embodiment. In preparation for such a case, as shown in FIG. 9, a balance adjusting portion 7 </ b> A extending from the first end portion 41 side of the first arm portion 4 to the opposite side of the second end portion 42 is provided. May be. The balance adjustment portion 7A is not limited to the case where it directly extends from the first end portion 41 of the first arm portion 4, but may extend from the first end portion 41 side or via another member. May be extended. Further, the balance adjusting unit 7A may not be completely on the opposite side as long as it extends to the opposite side to the second end portion 42. The gantry 1 preferably includes both the balance adjustment unit 7 and the balance adjustment unit 7A. However, depending on the weight of the second arm unit 5 and the weight of the telescope 2 to be attached, In either case, both cases are within the scope of the present invention.

Moreover, in the said embodiment, although the balance adjustment part 7 (7A) was engaged with the engaging part 54, even if formed integrally with the 2nd arm part 5 (1st arm part 4). Good.

Further, the balance adjusting portion 7 (7A) is a separate body, and an engaging portion 54 that can engage the balance adjusting portion 7 (7A) is provided in the second arm portion 5 (first arm portion 4). The gantry 1 is also included in the scope of rights of the present invention.

DESCRIPTION OF SYMBOLS 1 Base 2 Telescope 3 Leg member 4 1st arm part 5 2nd arm part 6 Extension direction change

part

7, 7A Balance adjustment part 8 Adjustment weight 9 Angle plate 21 Lens tube 22 Mounting part 31 Leg part 32 Mounting surface 41 First end 42 Second end 43 Rotating part 51 Third end 52 Fourth end 53 Supporting part 54 Engaging part 61 Locking mechanism 81 Thumb screw X First rotation axis Y Second Axis of rotation

Claims

A mount for attaching the telescope to the leg member,
A first arm portion having a first end portion and a second end portion in the extending direction, wherein the first end portion side is fixed to the leg member;
The first arm portion extends in a direction substantially perpendicular to the extending direction of the first arm portion, and has a third end portion and a fourth end portion, and the third end portion side of the first arm portion A second arm portion connected to the second end side, the fourth end side cantilevering a mounting portion provided on a side surface of the telescope;
An extending direction changing portion capable of changing the extending direction of the second arm portion to a position rotated by a predetermined angle around the extending direction of the first arm portion;
A balance extending from the second arm portion to the side opposite to the mounting portion and from the first end portion side of the first arm portion to at least one side opposite to the second end portion. An adjustment unit;
With
The first end side is fixed to the leg member so as to be rotatable around a first rotation axis that is substantially orthogonal to the extending direction of the first arm portion,
The fourth end side cantilevered the attachment portion so that the attachment portion can rotate around a second rotation axis that is substantially orthogonal to the extending direction of the second arm portion,
The balance adjusting unit can hold one or more adjustment weights at one or more positions in the extending direction.
2. The pedestal according to claim 1, wherein when used as an equatorial mount, the first end side is fixed to the leg member via an angle plate.
A mount for attaching the telescope to the leg member,
A first arm portion having a first end portion and a second end portion in the extending direction, wherein the first end portion side is fixed to the leg member;
The first arm portion extends in a direction substantially perpendicular to the extending direction of the first arm portion, and has a third end portion and a fourth end portion, and the third end portion side of the first arm portion A second arm portion connected to the second end side, the fourth end side cantilevering a mounting portion provided on a side surface of the telescope;
An extending direction changing portion capable of changing the extending direction of the second arm portion to a position rotated by a predetermined angle around the extending direction of the first arm portion;
With
The first end side is fixed to the leg member so as to be rotatable around a first rotation axis that is substantially orthogonal to the extending direction of the first arm portion,
The fourth end side cantilevered the attachment portion so that the attachment portion can rotate around a second rotation axis that is substantially orthogonal to the extending direction of the second arm portion,
The second arm portion has an engaging portion engaged so that the balance adjusting portion extends to the side opposite to the attachment portion, and the first arm portion has the first end. At least one of the engaging portions engaged so as to extend from the portion side to the opposite side to the second end portion is provided,
The balance adjusting unit can hold one or more adjustment weights at one or more positions in the extending direction.
The pedestal according to claim 3, wherein when used as an equator, the first end side is fixed to the leg member via an angle plate.