JP3187891U - Survey pole holder - Google Patents

Abstract

[PROBLEMS] To easily move a tripod with a surveying pole attached, and to easily adjust the position of the tripod, the angle of the leg, etc. so that the surveying pole is perpendicular to the ground or the road surface. An adjustable survey pole holding device is provided.
An extension portion 6 is provided on the back surface of a pole holding portion 2 for holding a surveying pole, and the pole holding portion is provided on a leg head 1a so as to be pivotable in the vertical direction around the end portion of the extension portion. At the same time, it can be rotated around an axis perpendicular to the back surface around the intersection of the back surface and the extending portion of the pole holding portion. The pole holding part may be rotatable in the vertical and horizontal directions around the end of the extending part. For this purpose, it is preferable to use a universal joint. Moreover, the opening part 2a is formed in the front of the pole holding | maintenance part.
[Selection] Figure 1

Description

  The present invention relates to a survey pole holding device that holds a survey pole vertically.

  As a surveying pole holding device that holds the surveying pole vertically, a surveying pole is provided by a pole holding part provided directly on the leg head of the tripod or a holding piece at the tip of a support arm that is rotatably attached to the leg head. Are known which hold the vertical position.

For example, in Patent Document 1 (utility model registration No. 3126789), as shown in FIG. 8, the pole holding portion 82 is provided directly on the leg head 81a of the tripod 81 and is continuous with the pole holding portion 82 in the vertical direction. A surveying pole holding device is described in which an opening 82a is provided and a surveying pole is pushed through the opening 82a and is held by a clamping part 82b.
In Patent Document 2 (Japanese Patent Laid-Open No. 2000-304539), as shown in FIG. 9, a support 96 is fixed to a leg head 94 of a surveying tripod 91 so as to be adjusted to a predetermined posture. A cylindrical support cylinder 96a extending in the horizontal direction is fixed to the support body 96, and a rod-like support arm 97 inserted through the support cylinder 96a is supported so as to be rotatable about an axis and movable back and forth in the axial direction. A surveying pole holding device is described in which the pin pole P1 and the like are vertically held by a pole holder 99 having a base end portion 99a, sandwiching pieces 99b and 99c and the like provided at the tip of the support arm 97.

Utility Model Registration No. 3126789 JP 2000-304539 A

However, although the surveying pole holding device described in Patent Document 1 can easily move the tripod 81 with the surveying pole attached, the pole holding portion 82 is provided directly on the leg head 81a of the tripod 81. Because it is fixed, the pole holding portion 82 holds the surveying pole, and the position of the tripod 81, the angle of the leg, etc. are adjusted so that the surveying pole is maintained in a state perpendicular to the ground or the road surface. Was not easy.
Further, in the survey pole holding device described in Patent Document 2, since the pole holder 99 is attached to the leg head 94 of the tripod tripod 91 via the support arm 97, the survey pole is attached to the pole holder 99. It is difficult to move the surveying tripod 91 as it is, and since the surveying pole is held at a position away from the leg head 94 of the surveying tripod 91, the surveying pole tends to become unstable, and its positioning It was also difficult.
Furthermore, since the support 96, the support cylinder 96a, the support arm 97, the pole holder 99, and the like are provided, the overall weight increases, and the position adjustment and fixing operation of each part are troublesome.

  The problem of the present invention is that the surveying pole holding device described in Patent Document 1 has the advantage that the tripod can be easily moved while the surveying pole is attached, while the surveying pole is It is to be able to easily adjust the position of the tripod, the angle of the leg, etc. so as to be in a state perpendicular to the road surface.

  A surveying pole holding device according to a first aspect of the present invention includes a tripod or a bipod, a leg head of the tripod or a bipod, a pole holding portion for holding a surveying pole, and an extension extending from the back surface of the pole holding portion. Provided with a support part extending from the protruding part or the leg head to the front side, the pole holding part can be rotated in the vertical direction with respect to the leg head around the end part of the extension part or the end part of the support part And is rotatable about an axis perpendicular to the back surface, with the back surface and the extending portion or the intersection of the support portion as a center.

  A surveying pole holding device according to a second aspect of the present invention is the surveying pole according to claim 1, wherein the pole holding portion is configured to have the leg around the end of the extension portion or the end of the support portion. It is characterized by being provided so as to be rotatable in the vertical and horizontal directions with respect to the head.

  The surveying pole holding device according to claim 3 is the surveying pole holding device according to claim 2, wherein the end of the extension and the end of the leg or the end of the support and the pole holding unit are provided. It is characterized in that the back side of the is connected by a universal joint.

  A surveying pole holding device according to a fourth aspect of the present invention is the surveying pole holding device according to any one of claims 1 to 3, wherein an opening is formed on the front side of the pole holding portion. And

According to the first aspect of the present invention, since the pole holding part is provided on the tripod head or the leg head of the tripod via the extension part or the support part, the tripod or the bipod with the survey pole attached to the pole holding part. Can be easily moved. In the case of a bipod, this effect is more remarkable because the overall weight is light.
In addition, since the pole holding part can be rotated in the vertical direction with respect to the leg head and can also be rotated around an axis perpendicular to the back surface thereof, the surveying pole attached to the pole holding part is It is possible to easily adjust the position of the tripod or bipod, the angle of the leg, etc. so as to be maintained perpendicular to the road surface or the like.

  According to the second aspect of the invention, since the pole holding part can be rotated not only in the vertical direction but also in the left and right direction with respect to the leg head, the surveying pole attached to the pole holding part can be used on the ground or the road surface. The position of the tripod or the bipod, the angle of the leg, and the like can be adjusted more easily than the device according to claim 1 so as to be maintained in a state perpendicular to the above.

According to the device of claim 3, the end of the extension and the head of the leg or the end of the support and the back of the pole holding part are connected by a universal joint, and the positional relationship between the pole holding part and the leg head is The position of the tripod or the tripod so that the surveying pole attached to the pole holding part is maintained perpendicular to the ground, road surface, etc., because it can be changed freely with one member The adjustment of the angle of the leg and the leg can be performed more easily than the device according to claim 2.
Moreover, the effect that the assembly | attachment to the leg head of a pole holding | maintenance part can be performed easily is also show | played.

  According to the device according to claim 4, in addition to the effect of the device according to any one of claims 1 to 3, since the opening is formed on the front side of the pole holding portion, the surveying pole is formed by the pole holding portion. When it is held, a part of it is not hidden, and it has the effect that it looks good when taking a photo of the surveying pole.

FIG. 3 is a plan view of the survey pole holding device according to the first embodiment. 1 is a front view of a survey pole holding device according to Embodiment 1. FIG. FIG. 3 is a side view of the survey pole holding device according to the first embodiment. The top view of the pole holding | maintenance apparatus for surveying of Example 2. FIG. The front view of the survey pole holding | maintenance apparatus of Example 2. FIG. The side view of the survey pole holding | maintenance apparatus of Example 2. FIG. The front view which shows the use condition of Example 1 or 2. FIG. The top view of the survey pole holding | maintenance apparatus of patent document 1. FIG. The side view of the pole holding device for surveying of patent documents 2.

  Hereinafter, embodiments of the present invention will be described by way of examples.

  FIG. 1 is a plan view of the surveying pole holding apparatus of Example 1, FIG. 2 is a front view thereof, FIG. 3 is a side view thereof, and FIG.

As shown in FIGS. 1 to 3, the survey pole holding device of Example 1 is not provided directly on the leg head 81 a of the tripod 81 with the pole holding portion 82 in the survey pole holding device described in Patent Document 1, The pole holding portion 2 can be rotated in the vertical direction with respect to the leg head 1a, and can also be rotated around an axis perpendicular to the back surface thereof.
The leg head 1a of the tripod 1 is provided with a projecting portion 4 extending vertically, and the projecting portion 4 comprises two substantially trapezoidal thin plate-like portions 4a and 4b, as shown in FIGS. Each of the plate-like portions 4a and 4b has a vertical surface on the front side and both side surfaces and an inclined surface on the back side.
The pole holding part 2 is formed of a flexible material such as a thin metal plate or a synthetic resin, and has a rectangular rear side as shown in FIGS. 1 and 2, and an arc shape from the two long sides to the front side. The clamping part 2b extends, and a short pole introduction part 2c that opens outward extends on the front side of the clamping part 2b.
An opening 2a is formed between the two sandwiching portions 2b, and the opening width d is slightly smaller than the diameter of the survey pole 3.
With this structure, when the surveying pole 3 is pressed along the opening 2a, the side surface of the surveying pole 3 abuts against the pole introduction part 2c to push open the clamping part 2b, and the pole holding part 2 A surveying pole 3 enters and is held on the back side of the.

As shown in FIGS. 1 and 3, a substantially U-shaped extending portion 6 connected to the center portion of the pole holding portion 2 by a screw 5 is provided on the back side of the pole holding portion 2. As shown in FIG. 4, the pole holding portion 2 can be rotated around the screw 5. However, since the pole holding part 2 and the extension part 6 are tightened with the screw 5, a certain amount of force is required to rotate the pole holding part 2 around the screw 5, and the rotation is temporarily stopped. After that, the positional relationship between the pole holding portion 2 and the extending portion 6 is not easily changed.
As shown in FIGS. 1 and 3, the two extending pieces 6 a and 6 b extending on both sides of the extending portion 6 have an inner surface interval slightly larger than an outer surface interval of the plate-like portions 4 a and 4 b. The part 6 is fixed to the projecting part 4 by means such as a bolt so that the part 6 can be rotated in the vertical direction with respect to the leg head 1a. However, since the protruding portion 4 and the extending portion 6 are fastened with bolts or the like, a certain amount of force is required to rotate the pole holding portion 2 in the vertical direction with respect to the leg head 1a. After the movement is stopped, the positional relationship between the pole holder 2 and the leg head 1a is not easily changed.
Therefore, a spacer 4c having a hole through which a bolt or the like can pass is provided between the plate-like portions 4a and 4b of the protruding portion 4.
With the above-described structure, the pole holding portion 2 can be rotated up and down with respect to the leg head 1a around the end of the extending portion 6 and can be rotated around the screw 5 that is an axis perpendicular to the back surface. In addition, once the rotation is stopped, the positional relationship between the pole holder 2 and the leg head 1a is not easily changed.

When using the surveying pole holding device of the first embodiment, the surveying pole 3 is held by the pole holding unit 2 and the lower end of the surveying pole 3 is positioned on the ground or road surface, and then the surveying pole 3 is placed vertically. Then, the height of the surveying pole holding device, the position of the tripod 1 and the angle of the leg 1b are adjusted. Then, the surveying pole 3 held by the pole holding unit 2 is temporarily fixed in a state where the final adjustment is performed, and is maintained in a state perpendicular to the ground, the road surface, and the like.
FIG. 7 is a diagram showing a state in which the surveying pole 3 is maintained in a state perpendicular to the ground, road surface, and the like.

FIG. 4 is a plan view of the surveying pole holding device of the second embodiment, FIG. 5 is a front view thereof, FIG. 6 is a side view thereof, and FIG.
4 to 6 and the following description, the same numbers as those in the first embodiment are used for portions that are not different from those in the first embodiment.

The survey pole holding device of the second embodiment is obtained by changing the tripod 1 of the survey pole holding device of the first embodiment into a bipod 11 as shown in FIGS.
The leg head 11a of the bipod 11 is provided with a projecting portion 14 extending vertically, and the projecting portion 14 comprises two substantially trapezoidal thin plate-like portions 14a and 14b, as shown in FIGS. In addition, the plate-like portions 14a and 14b each have a vertical surface on the back side and both side surfaces and an inclined surface on the front side.
Since the pole holder 2 has the same structure as that of the first embodiment, the description thereof is omitted.

As shown in FIGS. 4 and 6, and as in the first embodiment, the two extending pieces 6a and 6b extending on both sides of the extending portion 6 have inner surfaces spaced apart from the plate-like portions 14a and 14b. The extension portion 6 is fixed to the protruding portion 14 by means such as a bolt so that the extension portion 6 can be rotated in the vertical direction with respect to the leg head 11a. However, since the protruding portion 14 and the extending portion 6 are tightened with bolts or the like, a certain amount of force is required to rotate the pole holding portion 2 in the vertical direction with respect to the leg head 11a. After the movement is stopped, the positional relationship between the pole holder 2 and the leg head 11a is not easily changed.
Therefore, a spacer 14c having a hole through which a bolt or the like can pass is provided between the plate-like portions 14a and 14b of the protruding portion 14.
With the structure described above, the pole holding portion 2 can be rotated in the vertical direction with respect to the leg head 11a around the end of the extending portion 6, and can be rotated around the screw 5 that is an axis perpendicular to the back surface. In addition, once the rotation is stopped, the positional relationship between the pole holding portion 2 and the leg head 11a is not easily changed.

When using the surveying pole holding device of the second embodiment, the surveying pole 3 is held by the pole holding unit 2 and the lower end of the surveying pole 3 is positioned on the ground or road surface, and then the surveying pole 3 is placed vertically. Then, the height of the surveying pole holding device, the position of the bipod 11 and the angle of the leg 11b are adjusted. Then, the surveying pole 3 held by the pole holding unit 2 is temporarily fixed in a state where the final adjustment is performed, and is maintained in a state perpendicular to the ground, the road surface, and the like.
FIG. 7 is a front view showing a state in which the surveying pole 3 is maintained in a state perpendicular to the ground, road surface, and the like (the front view is the same as that of the tripod 1).

The modification of Example 1 and 2 is listed.
(1) The leg heads 1a and 11a of Examples 1 and 2 are provided with projecting portions 4 and 14 extending vertically, but the projecting portions 4 and 14 extend from the upper surface of the leg heads 1a and 11a to the front side. Or it is good also as what extends to the front side from the side surface of the leg heads 1a and 11a.
Moreover, the shape of the protrusions 4 and 14 is not limited to a trapezoid, and may be any shape such as a rectangle, a triangle, a circle, and an ellipse.
Furthermore, in Example 1, 2, although the protrusion part 4 is comprised by the two plate-like parts 4a and 4b and the protrusion part 14 is comprised of the two plate-like parts 14a and 14b, it is one sheet-like part. It may be configured.
(2) Although the pole holding part 2 of Examples 1 and 2 has the opening 2a, the opening 2a is not necessarily required. The pole holder 2 may be cylindrical or semi-cylindrical, and the surveying pole 3 may be inserted from above. In such a case, at least the front side of the pole holding part 2 may be transparent so that a part of the surveying pole 3 is hidden and cannot be seen.
(3) On the back side of the pole holding part 2 of the first and second embodiments, a substantially U-shaped extension part 6 connected to the center part by a screw 5 is provided. 6 need not be substantially U-shaped. As a simple plate, it may be inserted between the two plate-like portions 4a and 4b or the two plate-like portions 14a and 14b and fixed by means such as bolts.
(4) Although the pole holding | maintenance part 2 of Example 1, 2 can be rotated up and down with respect to the leg heads 1a and 11a, it is good also as what can be rotated up and down, right and left.
For this purpose, the protrusions 4 and 14 may be fixed so that they can be turned to the left and right by screwing them to the leg heads 1a and 11a. Even in this case, a certain amount of force is required to rotate the protrusions 4 and 14 in the left-right direction with respect to the leg heads 1a and 11a, and once the rotation is stopped, the protrusions 4 and 14 and the legs The positional relationship between the heads 1a and 11a is not easily changed.
(5) In the pole holding part 2 of the first and second embodiments, the extending part 6 is fixed to the projecting parts 4 and 14 by means such as bolts so that it can be turned up and down with respect to the leg heads 1a and 11a In order to be able to rotate around an axis perpendicular to the rear surface, the central portion on the rear surface side and the substantially U-shaped extension portion 6 are connected by screws 5. A fixed extension part is provided on the side, and the end part of the extension part and the front part of the projecting parts 4 and 14 or the front part of the leg heads 1a and 11a are connected by a universal joint, It is good also as what can be rotated around a perpendicular axis. In this case as well, a certain amount of force is required to rotate the pole holding portion 2 in each direction with respect to the leg heads 1a and 11a, and once the rotation is stopped, the pole holding portion 2 and the leg head 1a. , 11a so as not to change easily.
(6) The leg head 1a and the pole holding portion 2 of the first embodiment and the leg head 11a and the pole holding portion 2 of the second embodiment use the extending portion 6 extending from the back surface of the pole holding portion 2 to use the leg head 1a. , 11a can be turned up and down and can be turned around an axis perpendicular to the back surface, but a support portion extending from the upper surface or side surface of the leg head 1a, 11a to the front side is provided, and the end of the support portion is provided. You may attach the back surface of a pole holding | maintenance part to a part so that the same movement as Example 1 and 2 can be performed.
Further, the movement when the end portion of the support portion and the back surface of the pole holding portion are connected is not limited to the same movement as in the first and second embodiments, and the pole holding portion 2 is the same as in the modification (4). It is good also as what can turn right and left with respect to the leg heads 1a and 11a, and like the said modification (5), the end part of a support part and the back surface of the pole holding | maintenance part 2 are connected with a universal joint. The pole holding portion 2 may be rotatable about the vertical axis with respect to the leg heads 1a and 11a and up and down, left and right, and the back surface.
(7) In the first and second embodiments, since a certain amount of force is required to rotate the pole holding portion 2 in each direction with respect to the leg heads 1a and 11a, the pole holding portion 2 and the extension portion 6 is tightened with a screw 5 and the projecting portions 4 and 14 and the extension portion 6 are tightened with a bolt or the like. Instead of tightening with a screw 5 or a bolt or the like, a click mechanism in which uneven members are engaged with each other is used. Also good.
Even when connected by a universal joint, a click mechanism in which irregularities are formed at the same pitch on the inner wall of a casing having a ball-shaped joint part outer wall and a spherical cavity may be used.

DESCRIPTION OF SYMBOLS 1 Tripod 1a Leg head 1b Leg 2 Pole holding part 2a Opening part 2b Holding part 2c Pole introduction part 3 Surveying pole 4 Protrusion part 4a, 4b Plate-like part 4c Spacer 5 Screw 6 Extension part 6a, 6b Extension piece 11 2 Leg 11a Leg head 11b Leg 14 Protruding part 14a, 14b Plate-like part 14c Spacer 16 Extension part 16a, 16b Extension piece 81 Tripod 81a Leg head 82 Pole holding part 82a Opening part 82b Holding part 91 Surveying tripod 94 Leg head support Body 96 96a Support tube 97 Support arm 99 Pole holder 99a Base end 99b, 99c Pinch pin P1 Pin pole

Claims (4)

  A tripod or two legs, a leg head of the tripod or two legs, a pole holding portion for holding a surveying pole, and an extending portion extending from the back surface of the pole holding portion or a supporting portion extending from the leg head to the front side. The pole holding portion is provided so as to be pivotable in the vertical direction with respect to the leg head around the end portion of the extension portion or the end portion of the support portion, and the back surface and the extension portion or the support. A surveying pole holding device characterized in that it can be rotated around an axis perpendicular to the back surface around the intersection of the parts.   The surveying according to claim 1, wherein the pole holding portion is provided so as to be rotatable in the vertical and horizontal directions with respect to the leg head with the end portion of the extension portion or the end portion of the support portion as a center. Pole holding device.   The survey pole holding device according to claim 2, wherein an end portion of the extension portion and the end portion of the leg head or the support portion and a back surface of the pole holding portion are connected by a universal joint.   The surveying pole holding apparatus according to claim 1, wherein an opening is formed on a front side of the pole holding part.