JPH07128061A - Gps marking system - Google Patents

Abstract

PURPOSE:To realize highly accurate marking at a site of survey through the use of radio wave transmitted from a satellite. CONSTITUTION:A marking material discharge port 12 is provided at a position corresponding to the mounting position of an antenna 5. A position adjusting/ comparing/detecting section 22 compares the two-dimensional coordinate position of a positioning point Pn, where the antenna 5 receiving radio wave S from a satellite on a survey orbit is located, with the two-dimensional coordinate position of a position to be measured and delivers a predetermined signal SG when the position of the antenna 5 matches the position of measuring point. A marking material 8 is then discharged to the measuring point through the discharge port 12 in accordance with the signal SG.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a GPS marking device for marking the location of a surveying point set on a drawing by using radio waves emitted from artificial satellites.

[0002]

2. Description of the Related Art FIG. 6 is a diagram showing an example of a conventional method for drawing a golf course construction line. Conventionally, as shown in FIG. 6, in constructing a golf course 50, a plurality of surveying points set on the constructing line 51 are drawn in order to draw a constructing line 51 showing the outline of areas such as greens and cart roads to the site. When performing marking work on the golf course, first, the triangular points (53, 53, 5
3, 53) or the like to set the center line 52. Then, reference points P ₁ , P ₂ , P ₃ ... Are set on the center line 52 at a predetermined point P ₀ as a first reference point at a pitch d ₁ , and a direction orthogonal to the center line 52 from the reference point P ₀ is set. Mark the points Pm ₁ , Pm ₂ , Pm ₃ , Pm ₄ etc. where the distance between the points becomes the shape found on the drawing using a pile or the like. And this marking work,
By repeating the process from the reference point P ₀ on the center line 52 for each pitch d ₁ , a plurality of survey points shown in the drawing are marked on the site. Then, a construction line 51 indicated by connecting the marked surveying points Pm
Lines such as greens and carts were drawn along.

[0003]

However, in the above method, the center line 52 must first be set before marking at the surveying point, so that the construction line 51 cannot be directly drawn. It takes time and effort. Further, since the distances from the reference points (P ₀ , P ₁ , ...) To the survey points (Pm ₁ , Pm ₂ , Pm ₃ , Pm ₄ ...) Are calculated one by one, the distances are calculated. It took a lot of time to calculate. Further, if the surveying pitch d ₁ is increased, the number of surveying points to be marked is reduced, so that the curved portion of the construction line 51, which has a complicated shape, cannot be accurately set. As a result, a deviation occurs in the completed shape such as the green. Further, if the surveying pitch d ₁ is narrowed in order to prevent this deviation, there is an inconvenience that the number of surveying points to be marked increases, and a lot of time must be spent for the work such as distance calculation. In view of the above circumstances, the present invention provides a GPS marking device capable of efficiently marking a large number of survey points on a drawing at a survey site using radio waves emitted by artificial satellites in a short time. The purpose is to provide.

[0004]

That is, the present invention detects the position (An, Bn) of a measurement point (MPn) to be positioned,
A GPS marking device (2) capable of marking at the measurement point (MPn) has a free-running vehicle body (3), and a marking material (8) used for marking can be stored in the vehicle body (3). A marking material reservoir (6) is provided, an antenna (5) capable of receiving a positioning signal (S) from a satellite is provided on the vehicle body (3), and the antenna (5)
The position calculation analysis means (20, 21, 9) for calculating and analyzing the positioning signal (S) received by the sensor to detect the position (Pn) of the antenna (5) is provided, and the position calculation analysis means (21). ) The antenna (5) detected by
Is provided with a display unit (25, 26) for displaying the position (Pn) of the measurement point (Pn), and the position (An, Bn) of the measurement point (MPn) to be positioned.
Is provided with a position storage means (23) capable of storing, and the position (Pn) of the antenna (5) detected by the position calculation analysis means (21) and the measurement stored in the position storage means (23). Position of point (MPn) (An, Bn)
And a measurement point (MPn) having the same position as the position (Pn) of the antenna (5) is detected to detect a predetermined signal (Sn).
G) is output and a position comparison / detection means (22) is provided, and a marking material discharge port (12) is provided at a position of the vehicle body (3) corresponding to the mounting position of the antenna (5). (12) and the marking material storage part (6) are connected and provided via the opening / closing means (10, 11, 13). Further, in the present invention,
A plurality of marking material storage spaces (7) are formed in the marking material storage part (6), and opening / closing means (10, 11, 13) are provided in each marking material storage space (7). The numbers in parentheses are for convenience of showing the corresponding elements in the drawings, and therefore,
This description is not limited to the description in the drawings.
The same applies to the following action columns.

[0005]

With the above-described structure, the present invention provides a positioning point at which the antenna (5) receiving the positioning signal (S) calculated by the position calculation / analysis means (21) by the position comparison and detection means (22) is located. Two-dimensional coordinate position (Xn, Yn) of (Pn)
And the two-dimensional coordinate positions (An, Bn) of the measurement points (MPn) to be measured stored in the position storage means (23) are compared, and the two-dimensional coordinate positions of both points (Pn) and (MPn) ( X
n, Yn), (An, Bn) are detected, and a predetermined signal (SG) is output. Further, the present invention acts so that the marking materials (8) of different colors fall on the measurement points (MPn) for each contour line of the area where the measurement points (MPn) to be positioned exist.

[0006]

1 is a diagram showing an embodiment of a GPS marking device according to the present invention. FIG. 2 is a plan view of the survey site. FIG. 3 is a view showing a screen of the display means. FIG. 4 is a sectional view of the first to third marking material reservoirs shown in FIG. FIG. 5 is a sectional view showing another state of the first to third marking material reservoirs shown in FIG.

At a surveying site 1 which is a construction site such as a golf course, a GPS marking device 2 is used for marking work as shown in FIGS. As shown in FIG. 1, the GPS marking device 2 has a vehicle 3 movably provided on the ground 1 a by four wheels 3 a, and an operator uses a handle 4 provided on the vehicle 3 to move the vehicle 3. Thus, the vehicle 3 can be moved forward and backward. An antenna 5 is provided above the vehicle 3, and the antenna 5 has a receiving unit 5a for receiving a radio wave S which is a positioning signal from a surveying orbit satellite (not shown).
However, it is provided in a substantially hemispherical shape with its receiving surface facing upward. On the lower side of the receiving unit 5a in FIG. 1, a column 5b formed in a rod shape so as to support the receiving unit 5a is provided so as to be supported by the vehicle 3, and the antenna of the receiving unit 5a of the vehicle 3 is provided. The marking material discharge port 12 is provided directly below the center C1 in the vertical direction, that is, at a position corresponding to the mounting position of the antenna 5.
Is provided. A receiver 9 is connected to the receiver 5a, and the receiver 9 transmits the radio wave S to the receiver 5a of the antenna 5.
The position of the antenna center C1 can be detected by receiving the signal and processing it by using the data processing device 17 described later.

Further, as shown in FIG. 1, the vehicle 3 is provided with a marking material storage portion 6, and a dropping space 1 formed in a funnel shape on the lower side of the marking material storage portion 6 in FIG.
1 is formed so as to be able to receive the marking material 8 falling from a dropping port 10 (shown in FIG. 4) described later. The marking material discharge port 12 is provided on the lower side of the falling space 11 in FIG.
Is located. The marking material storage unit 6 is
The first marking material storage section 6a, the second marking material storage section 6b, and the third marking material storage section 6c are composed of the first to third marking material storage sections 6a, 6b, 6c.
Each of these has a marking material storage space 7 formed therein so that a marking material 8 such as lime can be stored therein. In each marking material storage space 7, a marking material 8 having a color different from those of the other marking material storage spaces 7 is stored. 1st thru | or 3rd marking material storage part 6a, 6b, 6c
As shown in FIG. 4, a drop port 10 is formed at a location shown in the central portion of FIG. 4 of each bottom 61 as a pass port when the marking material 8 falls into the drop space 11. On the upper side of the drop port 10 in FIG.
3 is provided. The fixed amount supply device 13 is a casing 1
4, the outer peripheral portion 14b of the casing 14 can close the drop port 10. Casing 1
4 has a groove 14a, and the marking material 8 stored in the marking material storage space 7 has its own weight.
4 is formed as an entrance for entering the inside. Further, in the constant quantity supply device 13, a rotating shaft 15 which is integrated with the casing 14 at a portion not shown extends in a direction intersecting the plane of FIG. The rotary shaft 15 is rotatably driven.
By rotating 180 ° in the direction of arrow A in FIG.
As shown in FIG.
It is possible to communicate with 0. That is, the fixed amount supply device 13 includes the interior of the casing 14 and the falling space 1 in which the marking material discharge port 12 is formed as described above.
1 can be connected to or cut off from each other, and therefore, the drop port 10, the drop space 11 and the fixed amount supply device 13 can be connected.
Constitutes an opening / closing means for communicating the marking material discharge port 12 and the marking material reservoir 6. As shown in FIG. 1, the first to third marking material reservoirs 6a, 6
A rotation start button 16 is provided on the outside of the side surface of the vehicle 3 in a portion corresponding to b and 6c so as to correspond to each fixed quantity supply device 13. When the button 16 is operated and pressed, the rotary shaft 15 of the constant quantity supply device 13 corresponding to the button 16 is rotated 180 ° in the direction of arrow A from the state shown in FIG. Then, after a predetermined time of the rotation, the rotating shaft 15 is rotated again by 180 ° in the direction of the arrow B in FIG. 5, so that the casing 14 returns to the state shown in FIG.

In addition, the GPS marking device 2 is shown in FIG.
As shown in, a data processing device 17 is provided,
The data processing device 17 has a main control unit 19. An input unit 20, a current position calculation detection unit 21, a position adjustment comparison detection unit 22, a design shape memory unit 23, an output control unit 25, etc. are connected to the main control unit 19 via a bus line 19a, and output control is performed. A monitor 26 is connected to the section 25. Also,
An input unit 20 is connected to the receiver 9. The input unit 20, the current position calculation detection unit 21, and the receiver 9 of the data processing device 17 analyze the radio wave S received by the reception unit 5a, and based on the analysis information, determine the positioning point Pn where the antenna 5 is located. The position calculation analysis means in the GPS marking device 2 is configured in such a manner that the dimensional coordinate position (Xn, Yn) can be calculated.
In addition, the design shape memory unit 23 determines the measurement point MPn to be measured.
The position storage means for storing the two-dimensional coordinate position (An, Bn) of is constructed. Then, the position adjustment comparison detection unit 22
Compares the two-dimensional coordinate position (Xn, Yn) of the positioning point Pn where the antenna 5 is located with the two-dimensional coordinate position (An, Bn) of the measurement point MPn to be positioned, and determines the two-dimensional position of both points Pn and MPn. A position comparison / detection unit that outputs a predetermined signal when the coincidence of the coordinate positions (Xn, Yn) and (An, Bn) is confirmed is constituted, and the output control unit 25 and the monitor 26 form a positioning point where the antenna 5 is located. Two-dimensional coordinate position of Pn (Xn,
Yn) constitutes display means.

Since the GPS marking device 2 has the above-mentioned structure, the marking operation is performed at the surveying site 1 using the GPS marking device 2. That is, in order to accurately mark the contour lines L (not shown) of the green, the cart road, etc. shown in the golf course design drawing, etc., a plurality of points on the contour lines L are marked. To
The measurement point MPn to be marked is set. In this way, the two-dimensional coordinate positions (An, Bn) of the plurality of measurement points MPn set on the design drawing, and the X coordinate position (Xn) and the Y axis coordinate position (Yn) on the coordinate system set at the survey site 1 The measurement points Pn that coincide with each other are positioned and detected at the surveying site 1, and these measurement points Pn are marked. First, the shapes L of the contour lines of the above-mentioned green, cart road, etc., and these contour lines L
Two-dimensional coordinate position (An,
Bn) are input as contour line data LD and positioning point data Dn to the design shape memory unit 23 via an input means such as a keyboard and a floppy disk drive, and are stored. When the data processing device 17 is activated to start using the GPS marking device 2, the main control unit 19 causes the design shape memory unit 23 to input the contour line data L input to the design shape memory unit 23.
D and the positioning point data Dn are read, an image image is produced through the output control unit 25 based on the read data LD and Dn, and the monitor 26 is made to display the image as shown in FIG.

When the image data of the contour line data LD and the positioning point data Dn is displayed on the monitor 26, the operator moves the vehicle 3 to an appropriate place at the survey site 1 via the handle 4 of the vehicle 3. Therefore, the receiver 9 causes the receiver 5a of the antenna 5 to catch the radio waves S transmitted by the plurality of surveying orbit satellites. Then, when the radio wave S is read via the data processing device 17, the three-dimensional coordinate position (Xn, Yn, Zn) of the antenna center C1 can be detected from each distance from each satellite. Therefore, in this embodiment, the X-axis coordinate position (Xn) and the Y-axis coordinate position (Yn) are detected as the two-dimensional coordinate position of the positioning point Pn where the antenna 5 is located. That is, by detecting the X- and Y-axis coordinate positions (Xn, Yn) of the antenna center C1, the X and Y of the positioning point Pn on the ground 1a which has a value directly below the antenna center C1 in the vertical direction and which coincides with this. The axis coordinate position (Xn, Yn) is calculated.

Therefore, the main controller 1 of the data processing device 17
The input unit 20 receives a plurality of radio waves S received by the receiver 9.
To enter. Then, the current position calculation detecting unit 21 is caused to analyze each radio wave S, and the analysis information is used to cause the current position calculation detecting unit 21 to calculate each distance between the antenna 5 and the plurality of satellites. For each distance, the antenna center C
The two-dimensional position of 1 is calculated. The calculation of the two-dimensional coordinate position of the antenna center C1 is performed by the current position calculation detection unit 21 at every predetermined time T (for example, every one second).

Two-dimensional coordinate position (Xn, Yn) of the antenna 5 for each predetermined time T calculated and calculated by the current position calculation detecting section 21.
Is transmitted to the main control unit 19, and the main control unit 19 monitors the position (Xn, Yn) according to the transmitted position data PD via the output control unit 25.
Display an image on 6. That is, the main controller 19 uses the monitor 26.
As shown in FIG. 3, the current position Pn of the antenna is displayed by the cross-shaped cursor. As described above, the calculation work of the two-dimensional coordinate position of the antenna center C1 is
Since the operation is performed every predetermined time T, the position data PD indicating the two-dimensional coordinate position (Xn, Yn) of the antenna 5 is also transmitted to the main control unit 19 every predetermined time T. Therefore, the main controller 1
When the latest position data PD is different from the position data PD transmitted immediately before, 9 indicates the position (Xn, Yn) based on the latest position data via the output control unit 25. The position (Xn, Yn) based on is updated and displayed on the monitor 26 with a cross-shaped cursor.

On the other hand, the main control unit 19 causes the position adjustment comparison detection unit 22 to detect the two-dimensional coordinate position (X) of the positioning point Pn at which the antenna 5 calculated by the current position calculation detection unit 21 is located.
n, Yn) is compared with the two-dimensional coordinate position (An, Bn) of the measurement point MPn stored in the design shape memory unit 23. That is, the position adjustment comparison / detection unit 22 includes the antenna 5
Two-dimensional coordinate position (Xn, Yn) of the positioning point Pn where is located
It is determined whether or not the two-dimensional coordinate positions (An, Bn) of the measurement points MPn to be detected (that is, to be marked) match. That is, the position adjustment comparison / detection unit 22 adjusts the value An of the X-axis coordinate (Xn) of the positioning point Pn where the antenna 5 is located by adding or subtracting a predetermined value α from the X-axis coordinate (An) of the measurement point MPn to be detected. Determine whether it is within ± α. Similarly, the Y-axis coordinate (Yn) of the positioning point Pn where the antenna 5 is located is within the range of Bn ± α obtained by adding or subtracting a predetermined value α from the Y-axis coordinate (Bn) of the measurement point MPn to be detected. Determine whether or not. Then, when the X-axis coordinate and the Y-axis coordinate of the positioning point Pn where the antenna 5 is located are within the range, the position adjustment comparison detection unit 22 transmits the measurement point detection signal SG to the main control unit 19. Then, the main control unit 19 to which the measurement point detection signal SG has been transmitted has the output control unit 2
The cross-shaped cursor displayed on the monitor 26 is caused to blink via 5. If the local point, that is, the position Pn of the antenna 5 does not match the measurement point MPn to be detected, that is, if the cross-shaped cursor displayed on the monitor 26 does not blink, the worker is the vehicle. 3 is moved to another point, and the measurement point detection work as described above, that is, the position of the receiving unit 5a provided in the vehicle 3 is detected, and whether or not the position matches the measurement point to be detected is data. The operation of causing the processing device 17 to make a determination is repeated.

As described above, the worker monitors whether the position Pn of the antenna 5 matches the measurement point MPn.
It can be visually confirmed by the blinking cursor above.
Then, the worker who confirms that the positioning point Pn where the antenna 5 is located matches the measurement point MPn to be positioned, performs the marking work on the positioning point. That is, the operator visually confirms on which area the blinking cursor on the monitor 26 is located, and the marking material 8 of the color showing the area is stored. 6a, 6
Any one of the rotation start buttons 16 provided on the outside of the side surfaces of b and 6c is pressed. Then, the pressed button 16
Corresponding to the casing 1 of the constant quantity supply device 13 shown in FIG.
4 is 180 ° in the direction of arrow A in FIG.
As a result of rotation, as shown in FIG. 5, the groove 14a and the drop port 10 are in communication with each other. Here, the predetermined amount of the marking material 8 that has entered the casing 14 falls into the falling space 11,
Further, it is dropped onto the ground 1a through the marking material discharge port 12. In this way, marking is performed on the ground surface 1a at the positioning point Pn that matches the measurement point MPn.

Thus, the measurement point MPn to be marked
After the marking work is performed on the worker, the worker sequentially moves the vehicle 3 to mark another measurement point MPn, and the above-mentioned local point detection work, the comparison work with the measurement point, and the measurement point The marking operation is performed until marking is performed on all of a plurality of preset measurement points MPn to be positioned.

As described above, when performing the marking work using the GPS marking device 2 according to the present invention, it is possible to work immediately at the surveying site 1 simply by setting a plurality of measurement points MPn to be positioned on the design drawing. You can get started, so the preparation work does not take much time. That is, it is not necessary to perform a complicated work such as a work for setting a reference line such as a center line in the survey site 1 by the conventional method before the marking work. The GPS marking device 2 according to the present invention can be easily moved by hand,
Position (Xn, Yn) of the positioning point Pn where the antenna 5 is located
Since the GPS marking device 2 can also be visually observed on the monitor 26, even a small number of workers can perform the marking work with the GPS marking device 2 accurately and efficiently in a short time. Further, the marking material 8 can use a plurality of colors, and measurement points on areas such as green, fairway, and cart road can be marked with different colors for each area. Therefore, even after the completion of the marking work and the creation work at a construction site such as a golf course, the marking points of different colors serve as marks to easily distinguish one area from another area.

In the above-described embodiment, the drop port 10, the drop space 11, and the fixed amount supply device 13 are provided with the marking material discharge port 12 and the first to third marking material storage portions 6a.
Although the example provided as the opening / closing means for communicating and connecting 6b, 6c has been described, in the present invention, the marking material discharge port 12 and the marking material reservoirs 6a, 6b, 6c are connected by the opening / closing means. Any other opening / closing means may be used as long as the opening / closing means is configured to be capable. In addition, in the embodiment, the vehicle 3 has three marking material reservoirs, that is, the first to third marking material reservoirs 6a and 6a.
Although the example in which b and 6c are provided has been described, the present invention is not limited to this. That is, the number of marking material storage units provided in the vehicle 3 may be any number.

[0019]

As described above, according to the present invention,
A GPS marking device such as a GPS marking device 2 capable of detecting a position (An, Bn) such as a measurement point MPn to be positioned and marking at the measurement point has a vehicle body such as a vehicle 3 which can travel, The vehicle body is provided with marking material storage portions such as first to third marking material storage portions 6a, 6b, 6c capable of storing the marking material 8 used for marking, and the vehicle body is provided with a radio wave S from a satellite. An input unit 2 for detecting the position of the antenna by providing an antenna such as an antenna 5 capable of receiving a positioning signal of the antenna, and calculating and analyzing the positioning signal received by the antenna.
0, a current position calculation detection unit 21, a position calculation analysis unit such as a receiver 9 and the like, and an output control unit 25 for displaying the position of the antenna detected by the position calculation analysis unit, a monitor 2
6, such as display means, and a position storage means such as a design shape memory unit 23 capable of storing the position of the measurement point to be positioned,
The position of the antenna detected by the position calculation analysis means is compared with the position of the measurement point stored in the position storage means, and the measurement point having the same position as the position of the antenna is detected to determine a predetermined position. A position comparison detection unit such as a position adjustment comparison detection unit 22 that outputs a signal is provided, and a marking material discharge port such as a marking material discharge port 12 is provided at a position corresponding to the mounting position of the antenna on the vehicle body. Since the discharge port and the marking material reservoir are communicatively connected to each other through the opening / closing means such as the drop opening 10, the drop space 11, the fixed quantity supply device 13, etc., the position comparison / detection means and the position calculation / analysis means calculate and calculate. The position of the antenna that has received the positioning signal is compared with the position of the measurement point to be positioned which is stored in the position storage means, and a predetermined signal is output when a match between both positions is detected. It can be. Therefore, triggered by the signal, the marking material can be dropped to the coincident point in such a manner that the marking material reservoir and the marking material discharge port communicate with each other via the opening / closing means. Therefore, it is possible to immediately start the marking work at the surveying site simply by calculating the two-dimensional position of the measurement point to be positioned on the design drawing. As a result, it is not necessary to set a reference line or the like in advance at the survey site, and as a result, the marking operation can be performed in a short time. In addition, since the center line and the reference point, which are the standards for marking work, are not set in the surveying site, the worker can start the marking work from any point in the surveying site. In addition, after the measurement point to be positioned is detected, the measurement point can be immediately marked with the marking material, which is very efficient. Further, according to the present invention, since a plurality of marking material storage spaces such as the marking material storage spaces 7 are formed in the marking material storage portion, and each of the marking material storage spaces is provided with the opening / closing means, the marking material storage space is marked. It is possible to drop marking materials of different colors for each contour line of the area where the power measurement point exists at the measurement point. Therefore, after the marking work is completed, it is possible to easily determine which area is on the contour line by simply looking at the color of the marking material at the marked point, which is very convenient.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a GPS marking device according to the present invention.

FIG. 2 is a plan view of a surveying site.

FIG. 3 is a diagram showing a screen of a display means.

FIG. 4 is a sectional view of the first to third marking material reservoirs shown in FIG.

FIG. 5 is a cross-sectional view showing another state of the first to third marking material reservoirs shown in FIG.

FIG. 6 is a diagram showing an example of a method for drawing a conventional golf course construction line.

[Explanation of symbols]

2 ... GPS marking device 3 ... Car body (vehicle) 5 ... Antenna 6 ... Marking material reservoir 6a ... Marking material reservoir (first marking material reservoir) 6b ... Marking material reservoir (second marking) Material storage part) 6c Marking material storage part (third marking material storage part) 7 Marking material storage space 8 Marking material 10 Opening / closing means (falling port) 11 Opening / closing means (falling space) 13 ...... Opening / closing means (quantitative supply device) 12 ...... Marking material discharge port 9 ...... Position calculation analysis means (receiver) 20 ...... Position calculation analysis means (input section) 21 ...... Position calculation analysis means (current position calculation detection) 22) Position comparison / detection means (position adjustment comparison / detection section) 23 ... Position storage means (design shape memory section) 25 ... Display means (output control section) 26 ... Display means (monitor) Pn ... Position of the antenna (positioning points) MPn ...... measurement point S ...... positioning signal (radio wave) SG ...... signals (measurement point detection signal)

Claims (2)

[Claims] 1. A GPS marking device capable of detecting the position of a measurement point to be positioned and marking at the measurement point, having a freely movable vehicle body, and storing a marking material used for marking in the vehicle body. A marking material reservoir is provided, an antenna capable of receiving a positioning signal from a satellite is provided on the vehicle body, and the positioning signal received by the antenna is arithmetically analyzed to detect the position of the antenna. Means is provided, display means for displaying the position of the antenna detected by the position calculation analysis means is provided, position storage means for storing the position of the measurement point to be positioned is provided, and the position calculation analysis means detects the position. The position of the antenna is compared with the position of the measurement point stored in the position storage means, and the position of the antenna is equal to the position of the measurement point. Position comparison detecting means for detecting a measurement point and outputting a predetermined signal is provided, a marking material discharge port is provided at a position of the vehicle body corresponding to the mounting position of the antenna, the marking material discharge port and the marking material storage A GPS marking device, which is configured to be connected and communicated with a section via an opening / closing means. 2. The GPS marking device according to claim 1, wherein a plurality of marking material storage spaces are formed in the marking material storage portion, and the opening / closing means is provided in each of the marking material storage spaces.