JP6352333B2 - Surveyor's rain and sun protection equipment - Google Patents

Description

  The present invention relates to a rain / sun protection device for a surveying instrument attached to a tripod.

In surveying work using a surveying instrument performed outdoors, it is important to prevent the surveying instrument from raining in order to prevent the expensive and sophisticated surveying instrument from getting wet when it rains. In addition, since high accuracy is required for surveying, there is a case where sunshade is required to prevent the temperature of the surveying instrument from being exposed to strong direct sunlight.
An apparatus shown in FIG. 5 has been proposed as a rain guard for a camera (Patent Document 1).
The camera mount plate 1 of the rain guard is set on the pan head installed on the top of the tripod 12 and the camera 11 is fixed. A pair of support rods 3 and 4 are attached to the camera mounting plate 1 of the rain protection device in parallel to the front, and an elastic plate 8 for attaching the film cover 10 is attached to the tips of the support rods 3 and 4. It has been.

In the rain protection device shown in FIG. 5, the camera 11 is protected from rain by covering the camera 11 with a film cover 10 attached to the mounting elastic plate 8.
Since the pan head can be swiveled with respect to the tripod 12, when the camera 11 attached to the pan head is swung, the rain protection device integrated with the camera 11 is also swung together.

JP 2004-38124 A

However, if the rain guard shown in FIG. 5 is applied to a surveying instrument, the surveying instrument itself has a turning mechanism, and the tripod for the surveying instrument is not provided with a pan head. However, the rain protection device will not turn. Therefore, the rain guard shown in FIG. 5 could not be used for the surveying instrument.
Under such circumstances, when surveying using a surveying instrument, the assistant 21 does not wet the surveying instrument 20 attached to the tripod 12 with an umbrella 22 as shown in FIG.
In addition, when the surveying instrument 20 is exposed to strong sunlight, the surveying accuracy is affected by the temperature rise of the surveying instrument 20, so that the assistant 21 puts the parasol on the tripod 12 with a parasol as in rainy days. I tried not to be exposed to direct sunlight.
As described above, in order to prevent the surveying instrument 20 from raining and awning, the assistant 21 is required in addition to the surveyor 23, which is inefficient in terms of man-hours.
Accordingly, an object of the present invention is to provide a rain / sun protection device for a surveying instrument that does not require an assistant.

The rain / sun shade device (hereinafter referred to as “the present device”) of a surveying instrument of the present invention is a rain / sun protection device for a surveying instrument attached to a tripod, and a circular plate having a hole in the center, A ring-shaped member which is combined with a circumferential portion of the circular plate and is rotatable with respect to the circular plate; and a rain / sunshade member which is erected on the ring-shaped member, and the circular plate is mounted on the upper part of the tripod. The circular plate is fixed to the tripod by fixing the surveying instrument to the tripod in a state of being arranged between the surveying instrument mounting seat and the mounting part of the lower part of the surveying instrument, and the ring-shaped member and the rain / sunshade When the member is assembled to the circular plate, the rain / sun protection member covers the top of the surveying instrument, and the ring-shaped member and the rain / sun protection member are capable of turning with respect to a tripod. And

In addition, the rain / sun protection member of the present apparatus includes a support column erected on the ring-shaped member and a roof member supported by the support column.
Furthermore, the column of the present apparatus is characterized in that it can expand and contract and can maintain an arbitrary length.

In the present apparatus, since the ring-shaped member can be swung with respect to the circular plate sandwiched between the tripod and the surveying instrument, the rain protection / sunshading member can also be swung as the surveying instrument turns. Therefore, when turning the surveying instrument and collimating it, the rain and sun protection members do not get in the way.
In addition, since the present apparatus is attached to a tripod, an assistant with an umbrella is not required as in the prior art, and the man-hour for surveying work can be reduced.
Furthermore, since this apparatus is arrange | positioned in the center of a tripod, since the gravity center is located in the center of a tripod, it is excellent in stability.

In addition, the rain / sun protection member of the present apparatus is provided with a column that is erected on the ring-shaped member and a roof member that is supported by the column. Can be made into a lightweight and high-strength structure.
Furthermore, since the support | pillar of this apparatus can be expanded and contracted and can maintain arbitrary length, it can make a roof member the optimal height according to the height of the surveying instrument to be used.

It is the figure which disassembled and displayed this apparatus. It is a surveying machine attachment part sectional drawing of this apparatus. It is an assembly drawing of this apparatus. It is the state of collimation work at the time of surveying using this apparatus. This is a conventional camera rain guard. It is the state of the collimation work at the time of surveying at the time of the conventional rain.

  FIG. 1 is an exploded view of the device 30. Reference numeral 20 denotes a surveying instrument, which specifically includes a transit, a light wave rangefinder, a total station, and the like. 32 is a tripod, and the mounting portion 34 at the bottom of the surveying instrument 20 is aligned with the surveying instrument mounting seat 33 at the top. Reference numeral 35 denotes a mounting male screw provided on the tripod 32, and the surveying instrument 20 is fixed to the tripod 32 by being screwed into a mounting female screw (not shown) provided in the mounting portion 34 of the surveying instrument 20. Is done.

Reference numeral 40 denotes a circular plate having a hole 41 at the center. The circular plate 40 is a metal plate such as iron or stainless steel. In the circular plate 40, a plurality of holes 46 are opened on the circumference around the central hole 41 for the purpose of reducing the weight.
The material of the circular plate 41 is not limited to metal, and a resin material such as reinforced plastic may be used.
Reference numeral 42 denotes a ring-shaped member which is combined with the circumferential portion 43 of the circular plate 40 and can turn with respect to the circular plate 40. The ring-shaped member 42 is formed by cutting, bending, welding or the like a metal plate such as iron or stainless steel. A resin or the like may be used for the ring-shaped member 42, and in that case, the ring-shaped member 42 is manufactured by a method such as cutting into a shape that can be combined with the circular plate 40 or injection into a resin mold.

Reference numeral 44 denotes a support column erected on the ring-shaped member 42. In the present embodiment, the support 44 is composed of three, but the number of the support 44 may be any number, and may be a structure that is not a support as long as it can support a roof member 45 described later. .
The support column 44 of the embodiment shown in FIG. 1 can be expanded and contracted by being configured by inserting a metal bar 54 into a metal pipe material 53. And the support | pillar 44 can maintain predetermined | prescribed length by fixing the bar 54 with respect to the pipe material 53 with the fixing material 55 provided in the edge part of the pipe material 53. FIG.
Reference numeral 45 denotes a roof member supported by the column 44. The roof member 45 may be composed of a metal bone and a chemical fiber cloth in the same manner as a general umbrella. Alternatively, it may be formed using a light and waterproof material such as a resin plate.

In this embodiment, since the rain / sun protection member is composed of a plurality of columns 44 and the roof member 45, the rain / sun protection member covering the upper side of the surveying instrument has a lightweight and high-strength structure. be able to.
It should be noted that the rain / sun protection member only needs to be able to prevent rain and sunlight, and is not limited to this configuration, and various forms are possible. For example, the support column 44 and the roof member 45 can be integrally formed of synthetic resin.

  FIG. 2 is a cross-sectional view of the surveying instrument 20 mounting portion of the apparatus 30. A circular plate 40 is sandwiched between the surveying instrument mounting seat 33 of the tripod 32 and the mounting part 34 of the surveying instrument 20. The circular plate 40 and the surveying instrument 20 are firmly fixed to the tripod 32 by screwing the male thread 35 of the attached mounting bolt 36 of the tripod 32 into the female thread 37 of the mounting portion 34 of the surveying instrument 20.

The ring-shaped member 42 is formed of a flat plate portion 50 having a hole portion 52 having an inner diameter larger than the outer diameter of the mounting portion 34 of the surveying instrument 20, and a flange portion 51 extending downward from the outermost side of the flat plate portion 50. It has a ring shape as a whole.
The lower surface of the flat plate portion 50 of the ring-shaped member 42 overlaps the upper surface of the circular plate 40, and the flange portion 51 surrounds the circumferential portion 43 of the circular plate 40.
By combining the ring-shaped member 42 with the circular plate 40 in the relationship shown in FIG. 2, the ring-shaped member 42 can turn with respect to the circular plate 40.

  Reference numeral 44 denotes a support column erected on the upper surface of the outer periphery of the flat plate portion 50 of the ring-shaped member 42. In addition, the support | pillar 44 may make it possible to stand the support | pillar 44 by providing a some hinge around the flange part 51 of the ring-shaped member 42, and fixing a support | pillar lower part to each hinge.

FIG. 3 is a view showing a state in which the device 30 is assembled. The circular plate 40 and the surveying instrument 20 of the present invention are fixed to the tripod 32. A ring-shaped member 42 is combined with the circular plate 40. Furthermore, the ring-shaped member is combined with a rain / sunshade member composed of a column 44 and a roof member 45.
As shown in FIG. 3, since the ring-shaped member 42 can turn with respect to the circular board 40 pinched | interposed between the tripod 32 and the surveying instrument 20, the present apparatus 30 can prevent rain / day according to the turning of the surveying instrument 20. The baffle members (the column 44 and the roof member 45) can also turn. For this reason, even when the surveying instrument 20 is turned and the target is collimated, the rain and sun protection members are not obstructed.

Furthermore, since the apparatus 30 is arranged at the center of the tripod 32, the center of gravity is located at the center of the tripod 32, so that the stability is excellent.
Moreover, since this apparatus 30 supports the roof member 45 by the some support | pillar 44, it is lightweight and high intensity | strength.

FIG. 4 shows a state of collimation work at the time of surveying using the present apparatus 30.
As shown in FIG. 4, when the present apparatus 30 is used, the surveying instrument 20 does not get wet even when it rains, and the surveying instrument 20 is not exposed to direct sunlight, and the surveyor 23 can collimate during surveying. This eliminates the need for assistants during rain and solar radiation, and reduces man-hours.

20: Surveying instrument 30: Rain-prevention / sun-shading device for the surveying instrument of the present invention (this device)
32: Tripod
33: Surveying instrument mounting seat 34: Mounting portion 40: Circular plate 41: Center hole of circular plate
42: Ring-shaped member 43: Circumferential part 44: Post 45: Roof member

Claims (3)

It is a rain and sun protection device for a surveying instrument attached to a tripod.
A circular plate with a hole in the center;
A ring-shaped member that is combined with the circumferential portion of the circular plate and is rotatable with respect to the circular plate;
A rain / sun protection member erected on the ring-shaped member,
The circular plate is fixed to the tripod by fixing the surveying instrument to the tripod in a state where the circular plate is disposed between the surveying instrument mounting seat at the upper part of the tripod and the mounting part at the lower part of the surveying instrument, and the ring-shaped member And the rain / sun protection member is assembled to the circular plate so that the rain / sun protection member covers the top of the surveying instrument, and the ring-shaped member and the rain / sun protection member are attached to the tripod. A rain and sunshade system for surveying instruments characterized by being able to turn.   The rain guard for a surveying instrument according to claim 1, wherein the rain protection / sun protection member includes a support column erected on the ring-shaped member and a roof member supported by the support column.・ Awning device.   The rain awning / shading device for a surveying instrument according to claim 2, wherein the support column is extendable and can maintain an arbitrary length.

Images