JPH07139948A - Holding tool for survey pole - Google Patents

Abstract

PURPOSE:To provide a holding tool for survey pole, by which a pole for survey can be readily provided at a survey station in an upright pattern in correspondence with the topography and the like at the survey station and can adjust the vertical pattern readily and accurately. CONSTITUTION:A front viewing gate type base leg 2, a long rod 3, which is pivoted in the vicinity of one end of the base leg 2 so that the rod can be freely moved right and left, and a short rod 4, which is pivoted in the vicinity of the other end of the base leg 2 so that the rod can be freely moved right and left, are provided. A first adjusting linking tool 5 is attached to the upper end part of the long rod 3. A second adjusting linking tool 12 is provided at the upper end part of the short rod 4. The first adjusting linking tool 5 has a first basic adjusting member 6, which is fixed to a surveying pole 1 so that the member 6 can be slid, fixed and switched, and a first fine adjusting mechanism 7, which links the first basic adjusting member 6 and the upper end part of the long rod 3 so that the member and the rod can be made to freely approach and separate in the back and forth directions one another. The second adjusting linking tool 12 has a second basic adjusting member 27, which is attached to the long rod 3 so that the member can be slid, fixed and switched, and a second fine adjusting mechanism 28, which links the second basic adjusting member 27 and the upper end part of the short rod 4 so that the member and rod can be made to approach and separate one another.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a survey pole holder.

[0002]

2. Description of the Related Art Conventionally, when a surveying pole is set up vertically at a measuring point, the surveying pole is held by a surveying pole holder having a pole support attached to the upper end of a tripod having three telescopic legs. I supported it.

[0003]

However, in the conventional survey pole holder as described above, the pole can be changed by the operator shifting the position of the tripod or changing the length or the opening angle of the three leg bodies. Since it is adjusted so that it becomes vertical, there is a problem that the adjustment is difficult and takes time.

Further, the measuring points are not constant due to the complicated terrain and the structures on the ground, and it may take time and labor to install the tripod depending on the measuring points, and further, the tripod may not be installed. It was

In view of the above, the present invention solves the above-mentioned problems and allows a surveying pole to be easily set at a survey point in accordance with the topography of the survey point, and the vertical adjustment can be easily and accurately performed. An object is to provide a surveying pole holder that can be used.

[0006]

In order to achieve the above-mentioned object, a surveying pole holder according to the present invention includes a base leg of a front view type and a left and right swingable vicinity of one end of the base leg. A long rod pivotally attached to the base leg, and a short rod pivotally pivoted in the vicinity of the other end of the base leg so as to be swingable left and right, and fixed to the surveying pole so as to be slidable / fixable. A second adjusting connector having a first adjusting connector having a basic adjusting member is attached to an upper end portion of the long rod, and a second adjusting member having a second basic adjusting member slidably / fixably switchably attached to the elongated rod. It is provided on the upper end portion of the short rod.

Further, a front-view gate type base leg, a long rod pivotally attached to one end of the base leg so as to be swingable left and right, and a pivotable pivotable to the left and right near the other end of the base leg. And a short rod attached to the surveying pole, and a first adjusting connector having a first basic adjusting member fixed to the surveying pole so as to be slidable / fixable.
A second basic adjusting member attached to the upper end of the long rod and further slidably / fixably switchably attached to the long rod;
A second adjusting connector having a second fine adjustment mechanism for connecting the second basic adjusting member and the upper end of the short rod so that they can be moved toward and away from each other is provided at the upper end of the short rod. is there.

Further, a front-view gate type base leg, a long rod pivotally mounted near one end of the base leg so as to be swingable left and right, and a pivotable left and right pivotally provided near the other end of the base leg. A short rod attached to the surveying pole, the first basic adjusting member fixed to the surveying pole so as to be slidable / fixable, and the first basic adjusting member and the upper end of the long rod are mutually forward and backward. A first fine adjustment mechanism that is connected to and away from the first fine adjustment mechanism,
A second adjusting connection tool is attached to the upper end of the long rod, and further has a second adjusting connector having a second basic adjusting member that is slidably and fixedly switchably attached to the long rod, is provided at the upper end of the short rod. .

Further, a front-view gate type base leg, a long rod pivotally attached to one end of the base leg so as to be swingable left and right, and a pivotable pivotable to the left and right near the other end of the base leg. A short rod attached to the surveying pole, the first basic adjusting member fixed to the surveying pole so as to be slidable / fixable, and the first basic adjusting member and the upper end of the long rod are mutually forward and backward. A first fine adjustment mechanism that is connected to and away from the first fine adjustment mechanism,
A second basic adjusting member attached to the upper end of the long rod and further slidably / fixably switchably attached to the long rod;
A second adjusting connector having a second fine adjustment mechanism for connecting the second basic adjusting member and the upper end of the short rod so that they can be moved toward and away from each other is provided at the upper end of the short rod. is there.

The first rod and the second roller, which are in the form of a square pipe and are in rolling contact with one side surface and the other side surface of the long rod, which are opposite to each other by 180 °, are secondly adjusted. It is provided on the second basic adjusting member of the connector.

[0011]

At the measuring point, the pole can be held upright by fixing the first basic adjusting member of the first adjusting connector to the surveying pole and grounding both ends of the base leg. With the lower end of the pole and both ends of the base leg grounded, the first basic adjustment member,
If it is slid up and down along the pole, the pole and the survey pole holder of the present invention tilt forward and backward.

If the second basic adjusting member of the second adjusting connecting member is slid up and down along the long rod, the long rod and the short rod swing left and right, and the pole also tilts left and right accordingly. .

With the first basic adjusting member fixed to the pole, the first fine adjusting mechanism causes the first basic adjusting member and the upper end portion of the long rod to approach or separate from each other, whereby the pole moves back and forth. Delicately tilt.

In a state where the first basic adjusting member is fixed to the pole and the second basic adjusting member is fixed to the long rod, the second basic adjusting member is fixed.
If the second basic adjustment member and the upper end of the short rod are moved toward or away from each other by the fine adjustment mechanism, the pole slightly tilts left and right.

Further, the first rod and the second roller, which are in the form of a square pipe and are in rolling contact with one side surface and the other side surface of the long rod, which are opposite to each other by 180 °, are secondly adjusted and connected. When the second basic adjusting member of the tool is provided, the frictional resistance when the second basic adjusting member is slid with respect to the long rod is significantly reduced.

[0016]

The present invention will be described in detail below with reference to the drawings illustrating the embodiments.

FIG. 1 shows a usage state of an embodiment of a survey pole holder according to the present invention. This survey pole holder A is shown in FIG.
Is for standing the surveying pole 1 vertically at the measuring point P, and has a front view portal type base leg 2 having stone projections 2a, 2a at both ends, and left and right in the vicinity of one end of the base leg 2. A long rod 3 which is pivotally pivoted, a short rod 4 which is pivotally pivoted to the left and right near the other end of the base leg 2, and a first adjustment connection which is attached to the upper end of the long rod 3. The tool 5 and the second adjusting connector 12 provided on the upper end of the short rod are provided.

The long rod 3 and the short rod 4 each have a square pipe shape. On the front side and the rear side near the left and right ends of the base leg 2,
The first support pieces 8a, 8a and the first support pieces 8a, 8a, respectively.
Second support pieces 8b, 8b shorter than a are provided so as to project upward. The lower end of the long rod 3 is pivotally attached between the first support pieces 8a, 8a via a shaft member, and the lower end of the short rod 4 is
It is pivotally mounted between the second support pieces 8b, 8b via a shaft member.

The height dimension H ₁ of the swing center axis L ₁ of the long rod 3 from the upper surface of the base leg 2 is larger than the height dimension H ₂ of the swing center axis L ₂ of the short rod 4 from the upper surface of the base leg 2. Is also set larger by a predetermined size. As a result, the surveying pole holder A is shown in FIG.
As shown in, the long rod 3 and the short rod 4 can be folded compactly with respect to the base leg 2.

Referring back to FIG. 1, the first adjustment connecting member 5 includes a first basic adjusting member 6 fixed to the surveying pole 1 so as to be slidable / fixable, a first basic adjusting member 6 and a long rod 3.
And a first fine adjustment mechanism 7 that connects the upper end of the first and second ends to each other so as to be able to move toward and away from each other in the front-rear direction.

The first basic adjusting member 6 is swingable about a vertical axis, and the left and right swing pieces 8 are pivotally connected to each other at their intermediate portions.
a, 8b, and a spring member 9 for constantly elastically urging the base ends of the swinging pieces 8a, 8b in a direction in which they are separated from each other,
The outer peripheral surface of the pole 1 is sandwiched by sandwiching portions 10, 10 that are arcuate in plan view and are formed on the tip ends of the swinging pieces 8a, 8b.

As shown in the enlarged sectional view of FIG. 2, the first fine adjustment mechanism 7 has a piece 14a pivotally attached to the rear surface side of the upper end portion of the long rod 3 by means of a pivot attachment 13 composed of a bolt and a nut. Other piece 14
An L-shaped board 14 in a plan view in which b is projected rearward, and a side surface pivotally attached to the lower rear portion of the other piece 14b of the board 14 through a pivot pin 15 so as to be swingable in the front-rear direction. Right angle mounting piece
An oscillating connecting plate 16 having an L-shape in plan view, which is composed of a connecting piece 16a formed by laterally extending the front end edge of the mounting piece 16b, and a male piece 14a welded to one piece 14a of the base plate 14 in a rearward projecting manner. Screw member 17
A dial member 18 that is screwed into the male screw member 17 so as to be able to move forward and backward, and a rear end portion of the dial member 18 is rotatably fitted around the rotation center axis L and the outer peripheral surface is spherical. Swing connecting member 19 and connecting piece 16a of the swing connecting plate 16
Slide piece part 20 that can be attached to slide vertically
and a slide holding member 20 including a holding tubular portion 20b having a spherical inner peripheral surface for holding the swing connecting member 19 in a vertically swingable manner.

The connecting piece 16a of the rocking connecting plate 16 is provided with a window portion 21 through which the slide holding member 20, the swing connecting member 19 and the male screw member 17 escape, and the upper and lower portions of the window portion 21 are provided. The guide pins 22, 22 are fixed to the front side in a protruding manner. Further, elongated holes 23, 23 in the vertical direction are provided in the upper and lower portions of the slide piece portion 20a of the slide holding member 20. This long hole
The guide pins 22, 22 are inserted into the 23, 23 to support the slide holding member 20 so as to be vertically slidable.

In the holding cylindrical portion 20b of the slide holding member 20,
The small pin 24 is fixed so as to project inward, and the swinging connecting member 19 is provided with a slit portion 25 in the front-back or up-down direction in which the small pin 24 is inserted. This small pin 24 and slit 25
Thereby, the swinging connecting member 19 is prevented from rotating around the rotation center axis L.

At the rear end of the mounting piece 16b of the swing connecting plate 16,
The base end portion of the swinging piece 8a of the first basic adjusting member 6 is pivotally mounted so as to be vertically swingable and fixedly switchable via a pivoting member including a bolt and a wing nut.

With the above configuration, for example, a dial member
When 18 is rotated around the rotation center axis L and moved forward with respect to the male screw member 17, the swing connecting plate 16 swings forward as shown by an arrow B, as shown in FIG.

That is, the dial member 18 and the swing connecting member 19
Moves linearly forward, and the slide holding member 20 moves in the direction of arrow C.
As shown in FIG. 5, the holding tubular portion 20b of the slide holding member 20 slides upward with respect to the connecting piece 16a of the swing connecting plate 16 and
Is tilted forward with respect to the swing connecting member 19, so that the swing connecting plate 16 swings smoothly. As a result, the first basic adjusting member 6 and the upper end portion of the long rod 3 can be brought close to each other.

On the contrary, when the dial member 18 in the state shown in FIG. 3 is rotated around the rotation center axis L and retracted with respect to the male screw member 17, the swing connecting plate 16 moves backward as shown by an arrow D. Rock. At this time, the slide holding member 20 slides downward with respect to the connecting piece 16a of the swing connecting plate 16 as shown by the arrow E, and the holding tubular portion 20b of the slide holding member 20 is attached to the swinging connecting member 19. Tilt backwards. This allows
The first basic adjusting member 6 and the upper end portion of the long rod 3 can be separated from each other. Then, the swing connecting plate 16 can be further swung rearward through the state shown in FIG.

However, since the adjustment of the approach and separation between the first basic adjusting member 6 and the upper end portion of the long rod 3 is performed by the rotation of the dial member 18 with respect to the male screw member 17, the adjustment should be performed precisely. You can

As shown in FIGS. 4 and 5, the second adjusting connecting member 12 is provided with a second basic adjusting member 27 which is slidably / fixably switchably mounted on the long rod 3, and the second basic adjusting member 27 and a short member. A second fine adjustment mechanism 28 that connects the upper end of the rod 4 to each other so that they can move toward and away from each other.

The second basic adjusting member 27 is composed of front and rear pieces 29a and 29b that are close to or in contact with the front and rear surfaces of the rod 3, and side pieces 29c that connect the front and rear pieces 29a and 29b. A U-shaped outer frame 29 in a plan view, first rollers 30, 30 and a second roller 31, which are rotatably abutted on one side surface 3a and the other side surface 3b of the long rod 3 opposite to each other by 180 ° Front and rear half 29 of the outer frame 29
and a tightening handle member 32 capable of fixing the outer frame 29 to the rod 3 by bringing a and 29b close to each other. 33, 33 are shaft members that rotatably support the first rollers 30, 30.

The tightening handle 32 comprises a handle portion 34 and a screw rod 35 integrated with the handle portion 34. The screw rod 35 is inserted through a hole penetrating the rear piece 29b of the outer frame 29, is inserted through the cylindrical second roller 31, and is further penetrating the front piece 29a of the outer frame 29. Is passed through the hole. A nut member 36 is welded to the front surface of the front piece 29a, and the tip end of the screw rod 35 is screwed into the nut member 36 so as to be able to advance and retract.

By rotating the tightening handle 32 and screwing the screw rod 35, the front and rear pieces 29a and 29b of the outer frame 29 can be moved.
Approach each other, and the inner surfaces of the front and rear pieces 29a and 29b are pressed against the front and rear surfaces of the long rod 3. Thereby, the outer frame 29 can be fixed to the long rod 3.

When the tightening handle 32 is rotated in the opposite direction to the screw rod 35 and the screw rod 35 is retracted, the front and rear pieces 29a and 29b are separated from each other by the restoring force of the outer frame 29.・ Rear piece 29
The inner surfaces of a and 29b are slightly separated from the front and rear surfaces of the long rod 3. As a result, the second basic adjusting member 27 can be slid up and down with respect to the long rod 3. At this time, the first
The rollers 30, 30 and the second roller 31 are one side surface 3 a of the long rod 3.
Also, since it abuts on the other side surface 3b in a freely rotatable manner, it can be slid smoothly. Although not shown, the outer frame 29
It is also preferable to form a coating layer made of a fluororesin on the inner surfaces of the front and rear pieces 29a, 29b. By doing so, the second basic adjusting member 27 can be slid more smoothly.

The second fine adjustment mechanism 28 includes a second basic adjustment member 27.
U-shaped member 38 in which both end pieces 38a, 38a are swingably connected to the front end portions of the front and rear piece portions 29a, 29b of the outer frame 29 via a shaft member 37, and the U-shape. The rotary member 39 rotatably attached to the intermediate wall portion 38b of the plate-shaped member 38 and provided with the screw hole 40 along the rotation center axis L ₃ , and the screw hole 40 of the rotary member 38.
And a screw rod 41 whose lower end is fixed to the upper end of the short rod 4.

The rotating member 39 has a main body 45 consisting of a large diameter portion 42 for a knob and a small diameter portion 43 rotatably inserted into a hole 44 penetrating the intermediate wall portion 38b of the U-shaped member 38. And a retaining ring 46 fixed to the tip of the small-diameter portion 43 in an externally fitted shape.

Then, the rotating member 39 is rotated to move the short rod 4
The second basic adjusting member 27 and the short rod 4 can be brought close to each other by screwing the second basic adjusting member 27 toward each other. Further, the second basic adjusting member 27 and the short rod 4 can be separated from each other by rotating the rotating member 39 in the reverse direction and screwing the rotary member 39 away from the short rod 4. The adjustment of the approach and the separation can be performed precisely because the rotating member 39 is screwed back and forth with respect to the screw rod 41.

By virtue of the above construction, the surveying pole holder allows the surveying pole 1 to be erected vertically in a very accurate manner. That is, referring to FIG. 1, the first basic adjustment member 6 of the first adjustment connecting member 5 is brought into close proximity with both base ends by hand, and the holding portions 10, 10 at the distal ends thereof are slightly opened to make the pole 1 When it is slid up and down, the pole 1 tilts back and forth as indicated by arrows F and G. Further, the survey pole holder A tilts back and forth as the pole 1 tilts back and forth. This allows the longitudinal inclination (vertical)
Can be roughly adjusted.

When the first basic adjusting member 6 is slid up and down, the wing nut of the pivoting member 26 is loosened. By doing so, the first basic adjusting member 6 can always be kept horizontal. Then, after this rough adjustment, the wing nut of the pivoting member 26 may be tightened, and the first basic adjusting member 6 may be released from the first basic adjusting member 6 and fixed to the pole 1.

If the second basic adjusting member 27 of the second adjusting connector 12 is slid up and down with respect to the long rod 3, the long rod 3 and the short rod 4 are tilted to the left and right. The pole 1 tilts left and right as indicated by arrows H and I. Thereby, the inclination (vertical) of the pole 1 in the left-right direction can be roughly adjusted. After this adjustment, if the tightening handle member 32 of the second basic adjusting member 27 is tightened and the second basic adjusting member 27 is fixed to the long rod 3, the pole 1 can be held so as not to tilt.

As described above, the pole 1 can be adjusted substantially vertically by the first basic adjusting member 6 and the second basic adjusting member 27. Then, thereafter, the pole 1 can be accurately aligned vertically by the first fine adjustment mechanism 7 and the second fine adjustment mechanism 28.

That is, the dial member 18 of the first fine adjustment mechanism 7
If the first basic adjusting member 6 and the upper end of the long rod 3 approach or separate from each other in the front-rear direction by rotating, the pole 1
Slightly tilts forward and backward. Thereby, the inclination (vertical direction) in the front-rear direction can be adjusted extremely accurately.

Further, when the rotating member 39 of the second fine adjustment mechanism 28 is rotated, the second basic adjusting member 27 and the upper end portion of the short rod 4 come close to or away from each other, and the long rod 3 and the short rod 3 are moved. Since 4 and 4 slightly tilt left and right, the pole 1 slightly tilts left and right. Thereby, the inclination (vertical) in the left-right direction can be adjusted extremely accurately.

FIGS. 6 and 7 show this survey pole holder A.
Shows the case where the pole 1 is set up on the inclined surface 47. In this way, the survey pole 1 is used regardless of whether the inclined surface 47 is inclined in the front-back direction with respect to the survey pole holder A (see FIG. 6) or in the horizontal direction (see FIG. 7). Can stand vertically.

FIG. 8 shows a modification of the second basic adjusting member 27 of the second adjusting connector 12, in which case a round rod-shaped shaft member 48 for rotatably supporting the second roller 31 and a tightening handle. Element
32 screw rods 35 are provided separately. By doing so, the second roller 31 rotates smoothly. And second
The inner peripheral surface of the roller 31 is not scratched and has excellent durability.

FIG. 10 shows a modified example of the first fine adjustment mechanism 7 of the first adjustment connector 5, in which the connecting piece 16a of the swing connecting plate 16 is curved in an arc shape in a side view and is connected. An elongated hole 49 is formed in the vertical direction in the middle of the piece 16a.

A screw hole 50 is provided in the piece 14a of the substrate 14. Reference numeral 51 denotes a screw with a knob, and a screw rod portion which is screwed into a screw portion 50 and a knob portion 52 protruding forward and which can be freely advanced and retracted.
53 and a thin rod portion 54 integrally formed at the tip of the screw rod portion 53.
And consists of.

A flat washer 55 is rotatably fitted on the fine rod portion 54 of the knob screw 51, and a portion of the fine rod portion 54 protruding from the flat washer 55 is connected to the swing connecting plate 16. Piece 16
It is inserted into the long hole 49 of a. Further, on the rear surface side of the connecting piece 16a, the guide small piece 56 is fitted onto the narrow rod portion 54, and the thin rod portion 54
The tip of is crimped.

The front surface 56a of the small guide piece 56 is a curved surface along the curve of the rear surface of the connecting piece 16a, and
16a slidably contacts the rear surface.

Then, by rotating the knob screw 51,
When it is screwed forward or backward, the swing connecting plate 16 swings forward or backward as indicated by arrows J and K, and the connecting piece 16a of the swing connecting plate 16 is moved relative to the guide small piece 56. It slides downward or upward as indicated by arrows X and Y. For this reason,
Lightly rotate the knob 52 of the knob screw 51,
The swing connecting plate 16 can be swung smoothly and with high accuracy.

Next, FIG. 11 shows a modified example of the first adjustment connector 5, in which case the first fine adjustment mechanism 7 is omitted. That is, the upper end of the long rod 3 has an L-shaped mounting board in plan view.
One piece 57a of 57 is pivotally attached by the pivot attachment 13 and the other piece 57b.
The first connecting member 26 consists of a wing nut and a bolt.
One swing piece 8a of the basic adjusting member 6 is attached so as to be swingable up and down.

In this way, the structure of the first adjustment connector 5 is simplified and can be easily manufactured.

FIG. 12 shows a modified example of the second adjusting connector 12, in which the second fine adjusting mechanism 28 is omitted. That is, the front and rear wall portions 29a, (29b) of the outer frame 29 of the second basic adjusting member 27
The upper end of the short rod 4 is pivotally attached to the tip of the shaft via a shaft member 37.

By doing so, the structure of the second adjusting connector 12 can be simplified, and the manufacture is facilitated.

Therefore, in the present invention, it is most preferable to have both the first fine adjustment mechanism 7 and the second fine adjustment mechanism 28 as shown in FIG. 7 may be omitted (see FIG. 11), or the second fine adjustment mechanism 28 may be omitted (see FIG. 12). Furthermore, both the first fine adjustment mechanism 7 and the second fine adjustment mechanism 28 may be omitted (see FIGS. 11 and 12).

[0056]

Since the present invention is configured as described above, it has the following effects.

According to the survey pole holder of the first aspect, the vertical adjustment of the pole 1 can be quickly performed.
Further, the surveying pole 1 can be easily and firmly set up at the measuring point P in response to unevenness and inclination due to the terrain around the measuring point P.

Since the base 2 has two ground points,
It becomes easy to select the grounding place of the base leg 2.

According to the survey pole holder of the second aspect, the same effect as that of the first aspect can be obtained, and
The second fine adjustment mechanism 28 enables extremely accurate adjustment with respect to the surveying pole holder A so that the pole 1 does not tilt in the left-right direction.

According to the survey pole holder of the third aspect, the same effect as that of the first aspect can be obtained, and
The first fine adjustment mechanism 7 allows extremely accurate adjustment with respect to the surveying pole holder A so that the pole 1 does not tilt in the front-rear direction.

According to the survey pole holder of the fourth aspect, the same effect as that of the first aspect can be obtained, and
With the first fine adjustment mechanism 7 and the second fine adjustment mechanism 28, the pole 1 can be adjusted extremely accurately with respect to the survey pole holder A so that the pole 1 is not inclined in the front-rear direction and the left-right direction.

According to the survey pole holder of the fifth aspect, the same effect as that of the first, second, third or fourth aspect of the present invention can be obtained, and at the same time, the long rod 3 can be provided with (2) The basic adjustment member 27 can be smoothly slid up and down, and the work of roughly adjusting the inclination of the pole 1 in the left-right direction can be easily and smoothly performed.

[Brief description of drawings]

FIG. 1 is a perspective view showing a usage state of an embodiment of the present invention.

FIG. 2 is an enlarged sectional side view of a main part.

FIG. 3 is an enlarged cross-sectional side view of essential parts for explaining the operation.

FIG. 4 is an enlarged sectional front view of a main part.

FIG. 5 is an enlarged sectional plan view of a main part.

FIG. 6 is a simplified side view showing a usage state.

FIG. 7 is a simplified front view showing a usage state.

FIG. 8 is an enlarged cross-sectional front view of essential parts showing a modified example of the second basic adjustment member.

FIG. 9 is a front view showing a folded state.

FIG. 10 is an enlarged cross-sectional side view of essential parts showing a modified example of the first fine adjustment mechanism.

FIG. 11 is an enlarged side view of an essential part showing a modified example of the first adjustment connector.

FIG. 12 is an enlarged cross-sectional front view of essential parts showing a modified example of the second adjustment connector.

[Explanation of symbols]

 1 Survey pole 2 Base leg 3 Long rod 3a One side face 3b Other side face 4 Short rod 5 First adjustment connector 6 First basic adjustment member 7 First fine adjustment mechanism 12 Second adjustment connector 27 Second basic adjustment member 28 Second fine adjustment mechanism 30 First roller 31 Second roller

Claims (5)

[Claims] 1. A front-view portal type base leg 2, a long rod 3 pivotally attached to the base leg 2 in the vicinity of one end thereof so as to be swingable left and right, and the base leg 2.
And a short rod 4 pivotally attached to the other end in the vicinity of the other end, and a first basic adjustment member 6 fixed to the surveying pole 1 in a slidable / fixable manner. A second member attached to the upper end of the long rod 3 and further attached to the long rod 3 so as to be switchable between sliding and fixing.
A surveying pole holder, characterized in that a second adjusting connector (12) having a basic adjusting member (27) is provided at the upper end of the short rod (4). 2. A front leg 2 of a front view type, a long rod 3 pivotally mounted near one end of the base leg 2 so as to be swingable left and right, and the base leg 2
And a short rod 4 pivotally attached to the other end in the vicinity of the other end, and a first basic adjustment member 6 fixed to the surveying pole 1 in a slidable / fixable manner. A second member attached to the upper end of the long rod 3 and further attached to the long rod 3 so as to be switchable between sliding and fixing.
The basic adjusting member 27, the second basic adjusting member 27 and the short rod 4
A surveying pole holding, characterized in that a second adjusting connector 12 having a second fine adjustment mechanism 28 for connecting the upper end of the short rod 4 to each other so as to be able to approach and separate from each other is provided at the upper end of the short rod 4. Ingredient 3. A front leg 2 of a front view gate, a long rod 3 pivotally attached to one end of the base leg 2 so as to be swingable left and right, and the base leg 2.
And a first basic adjusting member 6 fixed to the surveying pole 1 so as to be slidable and fixedly switchable, and a short rod 4 pivotally attached to the other end near the other end of the first basic A first adjustment connector 5 having a first fine adjustment mechanism 7 for connecting the adjusting member 6 and the upper end portion of the long rod 3 to each other so that they can be moved toward and away from each other in the front-rear direction is provided at the upper end portion of the long rod 3. A surveying instrument, characterized in that a second adjusting connecting member (12) having a second basic adjusting member (27) which is attached to the long rod (3) and is slidably / fixably switchable is provided at the upper end of the short rod (4). Pole holder for. 4. A front leg 2 of a front view gate, a long rod 3 pivotally mounted in the vicinity of one end of the base leg 2 so as to be swingable left and right, and the base leg 2.
And a first basic adjusting member 6 fixed to the surveying pole 1 so as to be slidable and fixedly switchable, and a short rod 4 pivotally attached to the other end near the other end of the first basic A first adjustment connector 5 having a first fine adjustment mechanism 7 for connecting the adjusting member 6 and the upper end portion of the long rod 3 to each other so that they can be moved toward and away from each other in the front-rear direction is provided at the upper end portion of the long rod 3. A second basic adjusting member 27, which is attached to the rod 3, is slidably / fixably switchably mounted on the long rod 3, and the second basic adjusting member 27 and the upper end of the short rod 4 are connected to each other so that they can move toward and away from each other. Second
A surveying pole holder, characterized in that a second adjusting connector (12) having a fine adjusting mechanism (28) is provided at the upper end of the short rod (4). 5. The first rods 30, 30 and the first rollers 30, 30 and 30 which are in the form of a square pipe and are in rolling contact with one side surface 3a and the other side surface 3b of the long rod 3 opposite to each other by 180 °. 2 rollers
The survey pole holder according to claim 1, 2 or 3 or 4, wherein 31 is provided on the second basic adjusting member 27 of the second adjusting connector 12.