JP2000046288A - Camera conveying device utilizing pressure fluid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform observation of an internal part at a place where entrance of a person is not permitted and an electric motor is not used, and to high- efficiently, safely, and reliably convey a camera to an object moving at a high speed. SOLUTION: This conveying device 10 comprises a pipe 12, formed of a nonmagnetic material, arranged along the conveyance route of a camera 11, a support member 13 protruded from the outer surface of the pipe to fix it on a conveyance route; an outer running body 16 fitted in the part, except the support member of the pipe, constituted movably along the outer surface of the pipe 12, provided on an inner surface with an outer magnetic body 17, and provided on an outer surface with a cameral 11, and an inner running body 21 inserted in the pipe 12 and constituted movably in the pipe 12 by pressure fluid fed in the pipe 12, and provided on an outer surface with an inner magnetic body 23. One or both of an outer magnetic body 17 and an inner magnetic body 23 are magnetized and movement of the inner running body 21 and movement of the outer running body 16 are moved by a magnetic attraction force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera transport device such as a monitor camera or a TV camera using a pressurized fluid. More specifically, the present invention relates to a camera transport device using a pressurized fluid for observing the inside of a tube or monitoring the inside of a facility where humans cannot enter, or for photographing an object moving at high speed.

[0002]

2. Description of the Related Art Conventionally, a motorized self-propelled camera transport device has been installed inside a pipe or facility to observe the inside of the pipe or to monitor the inside of the facility, which is physically or safely inaccessible to humans. The vehicle is run, and the monitor camera safely and reliably observes and monitors the inside of the vehicle based on the images projected by the monitor camera. On the other hand, when broadcasting the pattern of a competition at an athletics stadium, an ice skating stadium, or the like, a so-called photographer with a TV camera is located near the athlete and moves along with the movement of the athlete. Either the video is shot by the camera, or a competitor moving close-up with a zoom lens from a TV camera installed on the stadium stand.

[0003]

However, the above-described motorized self-propelled camera transport device has a risk of ignition due to electric sparks of the electric motor in a place having a flammable substance such as an organic solvent or a flammable gas. I can not use it. Also, in the stadium, there is a problem that even when attempting to take close-up shots of an athlete running at high speed such as sprinting, it is extremely difficult to make a camera follow the athlete and take a picture, so that a powerful image cannot be obtained. . It is an object of the present invention to perform internal observation and monitoring in a place where a human cannot enter and an electric motor cannot be used, or to efficiently, safely and reliably transport a camera to a subject moving at high speed and clearly define Another object of the present invention is to provide a camera transport device using a pressurized fluid capable of performing powerful imaging.

[0004]

The invention according to claim 1 is
As shown in FIG. 1, a pipe 12 made of a non-magnetic material is disposed along a transport path of a camera 11, and a support member 13 is provided on an outer surface of the pipe 12 so as to be fixed to the transport path.
An outer running body 16 fitted into a portion of the pipe 12 except for the support member 13 and configured to be movable along the outer surface of the pipe 12, having an outer magnetic body 17 on the inner surface, and having the camera 11 mounted on the outer surface; An inner magnetic body 23 having an inner magnetic body 23 on the outer surface, the inner running body 21 being configured to be movable in the pipe 12 by a pressurized fluid inserted into the pipe 12 and fed into the pipe 12, and the outer magnetic body 17 or the inner magnetic body 23 This is a camera transport device using a pressurized fluid configured such that one or both of them are magnetized and the outer traveling body 16 moves together with the movement of the inner traveling body 21 by the magnetic attraction force. In the device according to the first aspect,
When the inner traveling body 21 is moved along the pipe 12 by the pressurized fluid, the outer traveling body 16 is moved by the magnetic attraction together with the movement of the inner traveling body 21, and the outer traveling body 1 is moved.
6 is a camera 11 mounted outside along a pipe 12
Is transported.

[0005] The invention according to claim 2 is the invention according to claim 1, wherein the pipe 12 has a flat portion 1 over its entire length.
2a is a camera transport device in which the outer traveling body 16 and the inner traveling body 21 are fitted with flat surfaces corresponding to the flat portions 12a, respectively. In the apparatus according to the second aspect, the outer traveling body 16 and the inner traveling body 21 having a flat surface inserted into the pipe having the flat portion 12a are prevented from rotating with respect to the pipe 12. The invention according to claim 3 is the invention according to claim 1 or 2, wherein a plurality of pipes 12 having the same cross-sectional shape are connected to each other along the transport path of the camera 11, as shown in FIGS. The connecting protrusions 12 b are formed on the outer peripheral surface of one end of each of the pipes 12, and are formed at the other end of each of the pipes 12.
This is the camera transport device on which 2c is formed. This claim 3
In the apparatus according to the above, a plurality of pipes 12 having the same cross-sectional shape are connected to each other, and the pipes are arranged along a relatively long transport path of the camera 11. In this case, the annular convex portion 12c is fitted into the connecting concave groove 12b and connected by a so-called in-row connection, thereby preventing leakage of the pressurized fluid to the outside of the pipe 12, and making the connection easy and reliable.

A fourth aspect of the present invention is the invention according to the third aspect, wherein one or two or more connection first mounting portions 12d are protruded from the outer surfaces of both ends of each pipe 12 so as to be adjacent to each other. This is a camera transport device configured so that a plurality of pipes 12 are connected to each other by connecting first use mounting portions 12d to each other. In the device according to the fourth aspect,
By connecting the adjacent first connection portions 12d protruding from the outer surface of the pipe 12 together with the in-row connection, leakage of the pressurized fluid at the joint portion of the pipe 12 is prevented. The invention according to claim 5 is the invention according to claim 3 or 4, wherein the support member 13 includes at least the pipe 12
And one or more connection second mounting portions 13b are provided on the support member 13, and the support members 13 are connected to each other by connecting the adjacent connection second mounting portions 13b to each other. Is a camera transport device configured as described above. In the apparatus according to the fifth aspect, the supporting member 13 is connected by connecting the connecting second mounting portions 13b adjacent to the supporting member 13 provided at both ends of the pipe 12 together with the in-row connection, thereby connecting the supporting member 13. The connection of the pipes 12 provided integrally with the pipe 13 is ensured, and leakage of the pressurized fluid at the connection portion is reliably prevented.

The invention according to claim 6 is the invention according to claim 4, and further includes, as shown in FIG.
This is a camera transport device in which a fitting concave groove 16b that can be fitted into the first connection fitting portion 12d of the pipe 12 is formed on the inner surface of the camera 12 over its entire length. In the device according to the sixth aspect, the fitting first concave portion 16d is fitted into the first connecting portion 12d of the pipe 12 at the connecting portion of the pipe 12, so that the first connecting portion 12d of the pipe 12 is allowed to travel outside. Body 16
It does not hinder its movement without increasing its size. The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein the outer roller 16 that rolls the outer surface of the pipe 12 on the outer traveling body 16 as shown in FIGS.
a is a camera transport device provided with a. In the device according to the seventh aspect, the outer traveling body 16 moves smoothly along the outer surface of the pipe 12 by rolling the outer roller 16a.

[0008] The invention according to claim 8 is the invention according to claims 1 to 7.
As shown in FIG. 1, the outer magnetic body 17 of the outer traveling body 16 or the inner traveling body 21
Of the inner magnetic body 23 is a permanent magnet. In the device according to the eighth aspect, the outer traveling body 16 moves together with the inner traveling body 21 due to the magnetic attraction of the permanent magnet. The invention according to claim 9 is the invention according to claim 7, and as shown in FIG. 8, a battery 32, an electromagnet that magnetizes the outer magnetic body 31 of the outer traveling body 16 with a current from the battery 32, A generator 33 that generates electricity by rotating the outer roller 16a and charges the battery 32 is a camera transport device attached to the outer traveling body 16, respectively. In the device according to the ninth aspect, the outer traveling body 16 moves together with the inner traveling body 21 by the magnetic attraction of the outer magnetic body 31 of the outer traveling body 16 magnetized by the current from the battery 32. By attaching the generator 33 for charging the battery 32 to the outer traveling body 16, the frequency of battery replacement or charging is reduced.

A tenth aspect of the present invention is the invention according to any one of the first to ninth aspects, wherein the inner traveling body 21 has a cross section corresponding to the inner surface shape of the pipe 12, as shown in FIGS. A moving member 21a having an inner roller 21c having a shape and rolling on the inner surface of the pipe 12;
Seal member 21 that contacts the inner surface of block 2 to block pressurized fluid
b. In the apparatus according to the tenth aspect, the seal member 21b whose outer surface contacts the inner surface of the pipe 12 receives the pressure of the pressurized fluid, and
The inner roller 21c provided in 1a rolls on the inner surface of the pipe 12, thereby smoothly moving the inner traveling body 21 inserted into the pipe 12.

The invention according to claim 11 is the invention according to any one of claims 1 to 10, wherein, as shown in FIG.
On the outer surface of the pipe 12, a receiving groove 12h is provided over its entire length.
Is formed, and a signal line for controlling the camera 11 or an image signal line from the camera 11 is accommodated in the accommodation groove 12h. In the apparatus according to the eleventh aspect, the camera 11 can be controlled by sending a control signal for the camera 11 from a remote place via the signal line housed in the housing groove 12h. Also camera 1
An image from the camera 11 can be sent to a location distant from the device 1 via a signal line. The invention according to claim 12 is the invention according to any one of claims 1 to 11, wherein a magnetic shielding plate 18 is provided on the upper surface of the outer traveling body 16 and the camera 11 is mounted on the magnetic shielding plate 18. Device. In the apparatus according to the twelfth aspect, the magnetic shield plate 18 is provided.
Shields the magnetic force of the outer magnetic body 17 and the inner magnetic body 23 below, so that the camera 11 mounted on the upper part and the electronic equipment for operating the camera 11 are not affected by the magnetic force.

[0011]

Embodiments of the present invention will now be described in detail with reference to the drawings. As shown in FIG. 1, a camera transport device 10 has a pipe 12 made of a non-magnetic material disposed along a transport path of a camera 11. The pipe 12 has a horizontally long rectangular shape in cross section, and is formed flat so that both side surfaces bulge outward. The flat part 12 a at the upper part of the pipe 12 is formed over the entire length of the pipe 12. A pair of recessed grooves 12 h for accommodating a signal line for controlling the camera 11 and a signal line for transmitting an image are formed at a lower portion of the pipe 12 over the entire length of the pipe 12. As shown in FIGS. 3 and 4, a pair of connection first mounting portions 12 d having first mounting holes 12 f are formed on the outer surfaces of both ends of the pipe 12. As shown in FIG. 4, a connection groove 12 b is formed on the outer peripheral surface of one end of the pipe 12, and an annular protrusion 12 c that can be fitted into the connection groove 12 b of the pipe 12 is formed on the other end of the pipe 12. Is done. A packing 12e is provided at an end of the pipe 12 continuing to the annular convex portion 12c.

As shown in FIGS. 1, 3 and 4, a support member 13 projects from the lower surface of the pipe 12. The support member 13 in this embodiment is integrated with the pipe 12 over the entire length of the pipe 12. It is formed. At the lower end of the support member 13, a flange 13a for fixing the support member 13 at the installation location is formed, and the support member 13 at both ends of the pipe 12 has second connection holes 13c formed at both sides thereof. An attachment portion 13b is provided. As shown in FIG.
The support member 13 attaches the flange 13 a to the installation place with the installation screw 14, thereby connecting the pipe 12 to the camera 11.
Are arranged along the transport path of the.

As shown in FIGS. 1 and 2, an outer running body 16 is fitted into a portion of the pipe 12 excluding the support member 13. Further, as shown in FIG. 5, the outer traveling body 16 is provided with front and rear outer rollers 16a which roll on the outer surface of the pipe 12 so as to surround the pipe 12, and the inner surface of the outer roller 16a for connecting the pipe 12 over its entire length. A fitting groove 16b (FIG. 5) that can be fitted into one mounting portion 12d (FIG. 3).
Is formed. As shown in detail in FIG. 2, the outer traveling body 16 is configured to be movable along the outer surface of the pipe 12 by the rolling of the outer roller 16a, and a permanent magnet 17 which is an outer magnetic body is provided on the inner surface of the outer traveling body 16. Can be
The permanent magnet 17 is configured to have a flat surface corresponding to the flat portion 12a of the pipe 12, and the outer traveling body 16 is fitted into the pipe 12 such that the flat surface faces the flat portion 12a at the upper portion.

Returning to FIG. 1, the upper surface, which is the outer surface of the outer traveling body 16, is formed in a planar shape, and a magnetic shielding plate 18 is provided on the upper surface. As the magnetic shielding plate 18, an iron plate having a magnetic shielding ability is used, and the camera 11 uses the magnetic shielding plate 18.
Mounted on top. The magnetic force shielding plate 18 shields the magnetic force of the permanent magnets 17 and 23, which are the lower outer magnetic material and the inner magnetic material, so that the camera 11 mounted on the upper portion and the electronic device operating the camera 11 can be affected by the magnetic force. It is configured not to receive. Note that the camera 11 in this embodiment is provided with an antenna (not shown) that faces the housing groove 12h below the pipe 12, and the antenna receives leaked radio waves from a signal line housed in the housing groove 12h. The video signal captured by the camera is transmitted to a signal line.

As shown in FIGS. 1 and 2, an inner traveling body 21 is inserted into the pipe 12. Further, as shown in FIG. 6, the inner traveling body 21 includes a moving member 21a, and sealing members 21b respectively attached to both ends of the moving member 21a by mounting screws 22, and the outer surface of the sealing member 21b is It is configured to contact the inner surface and block the pressurized fluid. The moving member 21 a has a cross-sectional shape corresponding to the inner surface shape of the pipe 12, and
Inner rollers 21c that roll on the inner surface in 2a are provided on the front, rear, upper and lower sides, respectively. This inner traveling body 21
When the pressure of the pressurized fluid sent into the pipe 12 is received by the seal member 21b, the inner roller 2
1c is configured to roll and move in the pipe 12.

A permanent magnet 23, which is an inner magnetic material, is provided at an upper portion of a substantially central portion of the moving member 21a. The permanent magnet 23 has a flat surface corresponding to the flat portion 12a of the pipe 12. The inner traveling body 21 is inserted into the pipe 12 such that the flat surface thereof faces the flat portion 12 a at the upper part of the pipe 12, and the magnetic attraction of both the permanent magnet 17 of the outer traveling body 16 and the permanent magnet 23 of the inner traveling body 21. Thus, the outer traveling body 16 is configured to move together with the inner traveling body 21.

Although not shown, a plurality of pipes 12 are connected in accordance with the transport distance of the camera 11. A plurality of pipes 12 having the same cross-sectional shape are connected along the transport path of the camera and fixed by a support member 13. As shown in FIG. 7, the connection of the pipes 12 is made by connecting the annular projections 1 of the other pipes 12 to be connected to the connection grooves 12 b of one pipe 12.
After the so-called in-row connection in which the 2c is fitted, the connection is performed by connecting the adjacent connection first and second mounting portions 12d and 13b to each other with the connection screw 24. The connection by the connection screw 24 is performed by connecting the first and second connection
First and second mounting holes 12f, 1 of mounting portions 12d, 13b.
This is performed by inserting the screw 24 into the nut 3c as shown by the solid line arrow and screwing the nut 25, and by connecting the adjacent first and second connecting portions 12d, 13b to each other, a plurality of nuts are connected. The pipe 12 and the support member 13 are connected to each other, and are arranged along the transport path of the camera 11 in the connected state.

The operation of the above-configured camera transport device using compressed air as the pressurized fluid will be described. First, a compressed air generating device such as a compressor (not shown) is arranged near the base end of the pipe 12, and an air hose (not shown) extending from the compressor and both ends of the pipe 12 are connected via an air adjusting valve (not shown). I do. A pair of receiving grooves 12h formed in the lower portion of the pipe 12 accommodate signal lines (not shown) for controlling the camera 11 and signal lines for transmitting images. To transport the camera 11, an air adjustment valve provided in an air hose connected to the proximal end of the pipe 12 is opened, and compressed air is introduced into the pipe 12 from the proximal side. By introducing the compressed air, the inner traveling body 21 is propelled toward the tip of the pipe 12 by the compressed air pressure. When the inner traveling body 21 is propelled, the outer traveling body 16
The outer traveling body 16 is moved by the magnetic attraction of both the permanent magnet 17 of the inner traveling body 21 and the permanent magnet 23 of the inner traveling body 21, and the camera 11 attached to the outer traveling body 16
Conveyed along.

When a plurality of pipes 12 are connected, as shown in FIG. 7, an end of another pipe 12 abuts against a packing 12e provided at an end of one pipe 12. Because of the in-row connection, the compressed air is
Do not leak outside. Therefore, while the inner traveling body 21 is moving,
The air pressure is maintained, and the inner traveling body 21 moves forward smoothly. As shown in FIGS. 1 to 5, the outer traveling body 16 moves with the outer roller 16 with the movement of the inner traveling body 21.
The rolling of a moves along the outer surface of the pipe 12, and the fitting concave groove 16 b formed on the outer running body 16 fits into the first connecting portion 12 d of the pipe 12 at the connecting portion of the pipe 12. Therefore, the first mounting portion 12d for connection of the pipe 12 does not hinder the movement of the outer traveling body 16, the movement at the connection portion of the pipe 12 is performed smoothly, and the camera 11 can be efficiently moved without giving vibration. Good and safe transport.

The camera conveyed by this apparatus moves inside a pipe or facility where humans cannot enter at the same time as the camera moves.
Alternatively, when the installation location is a stadium or the like, the player moves along with the movement of the competitor and shoots necessary images. The control of the camera 11 is performed by a signal of a leaked radio wave from a signal line received by an antenna (not shown). The captured image is converted into a video signal, and then transmitted from the antenna to a signal line accommodated in the accommodation groove 12h. You. When the camera is conveyed, if the opening of the air adjustment valve or the pressure of the compressed air is changed, the inner traveling body 21 is accelerated or decelerated, and the outer traveling body 16 is also accelerated or decelerated with the acceleration or deceleration of the inner traveling body 21. Drive at reduced speed. Therefore, by controlling the amount and pressure of the compressed air introduced into the pipe 12, the camera 11 can be transported at a desired speed or to a desired position. On the other hand, when returning the camera 11 to the proximal end of the pipe 12, the air adjusting valve provided in the air hose connected to the proximal end of the pipe 12 is opened to introduce the compressed air into the pipe 12 from the distal end side. As a result, the inner traveling body 21 travels toward the base end, and the camera 11 can be returned to the base end of the pipe 12 by the movement of the outer traveling body 16 due to the magnetic attraction force.

In the above-described embodiment, the case where both the outer magnetic body 17 of the outer traveling body 16 and the inner magnetic body 23 of the inner traveling body 21 are permanent magnets has been described.
Only the outer magnetic body 17 of the outer traveling body 16 or only the inner magnetic body 23 of the inner traveling body 21 may be a permanent magnet. As shown in FIG. 8, a ferromagnetic core such as soft iron is used for the outer magnetic body 31 of the outer traveling body 16, and a battery 32 is used for the outer traveling body 16, and a current from the battery 32 is used for the outer traveling body 16. An electromagnet (not shown) that magnetizes the outer magnetic body 31 and a generator 33 that generates power by rotating the outer roller 16a to charge the battery 32 may be attached.

In the above embodiment, the support member 1
Although 3 is formed integrally with the pipe 12 over the entire length of the pipe 12, the support member 13 may be formed on a part of the pipe 12 although not shown. In this case, the supporting members 13 are provided at least at both ends of the pipe 12, and the connecting second attaching portions 13 b are provided on the supporting members 13, so that the connecting second attaching portions 13 b adjacent to the supporting member 13 are connected to each other. When connecting a plurality of pipes 12, the joining of the pipes 12 is ensured, and leakage of the pressurized fluid at the joints can be reliably prevented. Furthermore, in the above-described embodiment, compressed air is used as the pressurized fluid,
As the pressurized fluid, a gas such as nitrogen gas or a liquid such as water or oil may be used as long as the inner traveling body can be moved.

[0023]

As described above, according to the present invention, there is provided a pipe made of a non-magnetic material disposed along the camera transport path, and has an outer magnetic body which is movably fitted into the pipe and has an inner surface. An outer traveling body having a camera mounted on an outer surface thereof; and an inner traveling body inserted into a pipe and configured to be movable by a pressurized fluid and having an inner magnetic body on the outer surface. The outer traveling body is configured to move with the movement of the camera, so even in places where humans cannot enter and the motor cannot be used, the camera can be transported efficiently, safely and reliably, and internal observation and monitoring can be performed. .

Further, if the pipe has a flat portion and the outer running body and the inner running body have flat surfaces and are fitted and inserted, the outer running body and the inner running body are prevented from rotating with respect to the pipe. If a plurality of pipes having the same cross-sectional shape are connected to each other and arranged, the pipes can be arranged on a relatively long conveyance path. In this case, connecting fittings are provided on the outer surface of the pipe and the supporting member, and the connecting fittings adjacent to each other are connected to each other so that a plurality of pipes are connected to each other to prevent leakage of the pressurized fluid at the joint. be able to. In the case where the connection mounting portion is provided on the outer surface of the pipe, the connection mounting portion is formed on the inner surface of the outer traveling body by forming a fitting concave groove capable of being fitted into the connection mounting portion over the entire length. It does not hinder the movement of the outer traveling body.

Further, the inner running body has a cross-sectional shape corresponding to the inner surface shape of the pipe, and a moving member provided with inner rollers for rolling on the inner surface of the pipe; And a seal member that blocks the pressurized fluid by contacting the inner surface of the pipe, the seal member whose outer surface contacts the inner surface of the pipe receives the pressure of the pressurized fluid, and the inner roller provided on the moving member moves the inner surface of the pipe. By rolling, the inner running body inserted into the pipe can be moved smoothly. As a result, the camera can be prevented from vibrating, and the camera can be efficiently and safely and reliably conveyed even for a high-speed moving subject to perform clear and powerful shooting without blurring.

[Brief description of the drawings]

FIG. 1 is a front view of a camera transport device using a pressurized fluid of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1 in which an outer traveling body and an inner traveling body are inserted into a pipe.

FIG. 3 is a perspective view of a pipe having the support member.

FIG. 4 is a sectional view taken along line BB of FIG. 3;

FIG. 5 is a perspective view of the outer traveling body.

FIG. 6 is an exploded perspective view of the inner traveling body.

FIG. 7 is a cross-sectional view of a joint portion of the pipe.

FIG. 8 is a perspective view of an outer traveling body to which a battery and a generator are attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Camera conveyance apparatus 11 Camera 12 Pipe 12a Flat part 12b Connection concave groove 12c Annular convex part 12d Connection first mounting part 12h Housing concave groove 13 Support member 13b Connection second mounting part 16 Outer running body 16a Outer roller 16b Concave groove 17 Outer magnetic body 18 Magnetic shielding plate 21 Inner traveling body 21a Moving member 21b Seal member 21c Inner roller 23 Inner magnetic body 32 Battery 33 Generator

Claims (12)

[Claims] 1. A pipe (12) made of a non-magnetic material disposed along a transport path of a camera (11), and a support protruding from an outer surface of the pipe (12) to be fixed to the transport path. A member (13), which is fitted into a portion of the pipe (12) except for the support member (13), is configured to be movable along an outer surface of the pipe (12), and has an outer magnetic body (17) on an inner surface. And the camera (1
An outer running body (16) to which 1) is attached, and a pressurized fluid inserted into the pipe (12) and fed into the pipe (12) so as to be movable in the pipe (12), and an inner surface is formed on an outer surface. An inner traveling body (21) having a magnetic body (23), wherein one or both of the outer magnetic body (17) and the inner magnetic body (23) is magnetized and the inner traveling body is attracted by its magnetic attraction. As the body (21) moves, the outer traveling body (1
6) A camera transport device using a pressurized fluid, wherein the camera transport device is configured to move. 2. The pipe (12) has a flat portion over its entire length.
(12a), the outer traveling body (16) and the inner traveling body (21)
2. The camera transport device according to claim 1, wherein each of the camera transport devices has a flat surface corresponding to the flat portion (12a). 3. A plurality of pipes (12) having the same cross-sectional shape are connected to each other along a transport path of the camera (11) to support members (13).
A connection groove (12b) is formed on the outer peripheral surface of one end of each pipe (12), and an annular shape that can be fitted into the connection groove (12b) at the other end of each pipe (12). Convex part (12c)
The camera transport device according to claim 1, wherein the camera transport device is formed. 4. An outer surface at both ends of each pipe (12)
Alternatively, two or more connection first mounting portions (12d) are protruded, and a plurality of pipes (12) are connected to each other by connecting the adjacent connection first mounting portions (12d) to each other. The camera transport device according to claim 3, wherein: 5. A support member (13) is provided at least at both ends of the pipe (12), and the support member (13) is provided with one or two or more connection second mounting portions (13b). The support member (13) is connected to each other by connecting the second connecting portions (13b) for connection to each other.
Or the camera transport device according to 4. 6. The fitting groove according to claim 4, wherein a fitting groove (16b) is formed on the inner surface of the outer traveling body (16) so as to fit into the first fitting portion (12d) for connection of the pipe (12) over the entire length. Camera transport device. 7. The camera transport device according to claim 1, wherein an outer roller (16a) for rolling the outer surface of the pipe (12) is provided on the outer traveling body (16). 8. One or both of the outer magnetic body (17) of the outer traveling body (16) and the inner magnetic body (23) of the inner traveling body (21) are permanent magnets. The camera transport device as described in the above. 9. A battery (32), an electromagnet for magnetizing an outer magnetic body (31) of an outer traveling body (16) by a current from the battery (32), and an electric power generated by rotation of an outer roller (16a). The camera transport device according to claim 7, wherein a generator (33) for charging a battery (32) is attached to the outer traveling body (16). 10. The inner traveling body (21) is connected to the pipe (12).
A moving member having an inner roller (21c) having a cross-sectional shape corresponding to the inner surface shape of the pipe and rolling the inner surface of the pipe (12);
(21a), and seal members (21b) provided at both ends of the moving member (21a), the outer surfaces of which contact the inner surface of the pipe (12) and block the pressurized fluid. 9. The camera transport device according to any one of 9 above. A housing groove (12h) is formed on the outer surface of the pipe (12) over the entire length thereof, and a signal line for controlling the camera (11) or a signal from the camera (11) is provided in the housing groove (12h). 2. The image signal line according to claim 1, wherein the image signal line is accommodated therein.
0. The camera transport device according to any one of the above. 12. A magnetic shielding plate is provided on the upper surface of the outer traveling body (16).
The camera transport device according to any one of claims 1 to 11, wherein (18) is provided, and a camera (11) is mounted on the magnetic shielding plate (18).