JP5562114B2 - Introduction device - Google Patents

Description

  The present invention relates to an introduction device that introduces a working tool that performs a predetermined operation inside a fluid pipe into the fluid pipe in a continuous flow state.

  In a conventional introduction device, for example, a guide unit for attaching and guiding a work tool such as an endoscope is moved by a moving unit from a housing part branched from a fluid pipe into a fluid pipe, and is guided at a position moved into the fluid pipe. There is one that introduces a working tool toward the inside of the fluid pipe by rotating the part (see, for example, Patent Document 1).

JP 2007-101814 (page 17, FIG. 8)

  However, in Patent Document 1, when the guide portion with the work tool is moved from the inside of the storage portion toward the inside of the fluid pipe, the guide portion is excessively pressed against the inner wall of the fluid pipe, and the inner wall of the fluid pipe In addition, there is a problem that the work tool may be damaged, and a rust lump may be formed on the inner wall of the fluid pipe. When the guide portion is caught in such a rust lump, the work tool is placed inside the fluid pipe. There is a problem that it cannot be introduced inside.

  The present invention has been made paying attention to such problems, and an object thereof is to provide an introduction device capable of introducing a working tool into the fluid pipe without damaging the inner wall of the fluid pipe or the working tool. To do.

In order to solve the above problems, the introduction device of the present invention is:
An introduction device for introducing a working tool for performing a predetermined operation inside a fluid pipe into the fluid pipe in an uninterrupted state,
A guide portion for the working tool is mounted via a spring, the housing and capable of accommodating housing portion provided by branching the guide part and the working tool therein, the guide portion and the implement from the fluid pipe A moving part that moves between the part and the fluid pipe,
The guide part is pivotally supported with respect to the moving part, and an operation part for rotating the guide part inside the fluid pipe is provided so as to be operable from the outside of the fluid pipe. And
The operation part is arranged along the outer periphery of the moving part, and is composed of a linear body having one end attached to the guide part and the other end protruding outside the accommodation part through the accommodation part . .
According to this feature, by the operation unit that can be operated from the outside of the fluid pipe, the turning operation in which the guide part that has moved from the accommodating part branched from the fluid pipe into the fluid pipe rotates together with the work tool inside the fluid pipe, It can be carried out easily and without damaging the work tool and the fluid pipe, and with a simple configuration without requiring any special power, only by pulling the other end of the linear body projecting out of the housing. The guide part can be rotated. Furthermore, the work tool is attached to the guide part via a spring, and the operation part made of a linear body is arranged along the outer periphery of the moving part, so that the amount of rotation of the work tool is restored by the restoring force of the spring. In addition, the striate body and the work tool can be prevented from interfering with each other and being damaged.

The introduction device of the present invention comprises:
The moving part is provided with an attaching part for attaching the linear body along the moving part.
According to this feature, since the linear body can be arranged in an orderly manner along the moving portion that moves between the inside of the accommodating portion and the fluid pipe by the mounting portion, it is possible to avoid the possibility of the linear body becoming tangled.

The introduction device of the present invention comprises:
The working tool includes a camera that images the inside of the fluid pipe.
According to this feature, the guide unit can be rotated by the operation unit while visually confirming the inside of the fluid pipe using the camera of the work tool.

It is a front view which shows the state by which the introduction apparatus in an Example was arrange | positioned by the fluid pipe | tube. It is sectional drawing which shows an introduction apparatus. It is a front view which shows an introduction apparatus main body. It is sectional drawing which shows the state which the introduction apparatus main body fell. It is a figure which shows the state which rotated the guide body from the state of FIG. It is sectional drawing which shows the state which the camera is moving the inside of a fluid pipe | tube. It is a front view which shows the introduction apparatus main body as a modification.

  EMBODIMENT OF THE INVENTION The form for implementing the introduction apparatus which concerns on this invention is demonstrated below based on an Example.

  An introduction apparatus according to an embodiment will be described with reference to FIGS. Hereinafter, the front side of the drawing in FIGS. 2 and 4 will be described as the front side (front side) of the introduction device.

  As shown in FIG. 1, reference numeral 1 denotes a fluid pipe 1 that transports clean water from the upstream side to the downstream side, and a casing 12 surrounds a predetermined portion of the fluid pipe 1 in a watertight manner. As shown in FIGS. 1 and 4, an opening / closing valve 30 is connected to an upper portion of the communication portion 12 a in the housing 12, and the opening / closing valve 30 images the inside of the fluid pipe 1 as described later. An introduction device 3 for guiding the camera 2a (see FIG. 2) of the endoscope 2 as a working tool to the inside of the fluid pipe 1 in an indefinite water state is attached.

  Further, an opening U (see FIG. 4) for moving an introduction device main body 4 and a camera 2a, which will be described later, into the inside of the fluid pipe 1 is formed at the top of the fluid pipe 1 surrounded by the casing 12 (not shown). The inside of the fluid pipe 1 communicates with the inside of the communication portion 12a through the opening U.

  As shown in FIGS. 1 and 2, an endoscope 2 as a working tool includes a fluid pipe 1 and a camera 2 a disposed inside a receiving portion 5 of an introduction device 3 described later, and one end connected to the camera 2 a. The other end of the cable 2b exposed to the outside of the introducing device 3, the coil spring 20 provided to cover the rear end of the camera 2a and one end of the cable 2b, and the outside of the introducing device 3. A monitor 2c connected to the other end of the cable 2b, and an image captured by the camera 2a is displayed on the monitor 2c via the cable 2b. Thereby, the state inside the fluid pipe 1 can be confirmed from the outside of the fluid pipe 1.

  The introducing device 3 communicates with the inside of the fluid pipe 1 through the opening U through the introducing device main body 4 that guides the camera 2a to the inside of the fluid pipe 1, and a housing portion 5 that houses the introducing device main body 4 and the camera 2a. A cylindrical body 8 that moves and moves the introduction device main body 4 and the camera 2a between the accommodating portion 5 and the inside of the fluid pipe 1 is provided.

  The accommodating part 5 is comprised as a connecting pipe which has the upper flange part 5a and the lower flange part 5b which were formed in the upper end and lower end of the pipe part 5c, respectively. The lower flange portion 5b is attached to the flange portion 30b of the on-off valve 30 via a packing 60 with a plurality of bolts 31 and nuts 32. The flange 24 is attached to the upper flange portion 5a via a packing 35. A plurality of bolts 41 and nuts 42 are attached.

  A through hole 24 a that penetrates from the upper end to the lower end is formed at the center of the flange 24. An annular packing 61 is fitted into the through-hole 24a so as to be in close contact with the outer peripheral surface of the cylindrical body 8 without a gap. In addition, above the packing 61, a lower portion of the annular pressing body 36 is arranged so that the packing can be pressed downward. For this reason, when the upper end portion 36a of the pressing body 36 is attached to the upper surface of the flange 24 by the plurality of screws 43, 43, the pressing body 36 elastically deforms the packing 61 downward, and the packing 61 and the cylinder body 8 are deformed. It is being fixed with respect to the flange 24, ensuring a watertight space.

  Further, the flange 24 is formed with a through hole 24b penetrating from the upper end to the lower end in parallel with the through hole 24a. A cylindrical ring body 24c is fitted in the through hole 24b. The ring body 24c has a sealing ring (not shown) inside, and the wire 25 as a linear body in the present invention is inserted into the sealing ring in the ring body 24c so that the outside of the pipe portion 5c is connected. Watertightness with the inside of the pipe part 5c is ensured.

  As shown in FIGS. 1, 2, and 4, the cylindrical body 8 is configured by a pipe that is hollow inside, and that has an upper end and a lower end that are open, and is formed in the housing portion 5 via a through hole 36 b of the pressing body 36. An introduction device main body 4 to be described later is attached to the lower end portion of the cylindrical body 8 inserted through the tube 8. Further, a branch pipe 33 extending horizontally is provided on the upper portion of the cylindrical body 8. The branch pipe 33 is provided with an open / close valve 34 for opening and closing the pipe line. The cylindrical body 8 is disposed through the through hole 36 b of the pressing body 36, so that water tightness between the outside of the housing portion 5 and the inside of the housing portion 5 is ensured.

  Further, the cable 2b is disposed through the inside of the cylindrical body 8, and by this arrangement, the camera 2a is accommodated in the accommodating portion 5 while being connected to one end of the cable 2b. Yes.

  A flange is formed at the upper end portion of the cylindrical body 8, and a handle portion 44 is screwed into a side surface of the flange. A fixing plate 45 for fixing the handle portion 44 is disposed on the upper surface of the flange, and the fixing plate 45 is in contact with the upper surface of the flange via a packing, and a plurality of bolts 46 and nuts. 47 is fixed to the cylinder 8. Note that a central portion of the fixed plate 45 has a through hole 45a penetrating from the upper end to the lower end, and a cylindrical sealing ring 48 is fitted into the through hole 45a. Since the cable 2b passes through the sealing ring 48 and is disposed, water-tightness between the outside of the cylinder 8 and the inside of the cylinder 8 is ensured.

  As shown in FIGS. 2 and 3, the introduction device main body 4 supports the distal end tube 10 attached to the tube body 8 and the camera 2 a, and the upper end 6 e side, which is one end side, can be rotated to the distal end tube 10. It is comprised from the guide body 6 as a guide part in this invention attached to. The moving part in the present invention is constituted by the cylinder 8 and the tip cylinder 10.

  The tip tube 10 has an upper end portion 10a that opens upward, and a leg portion 10b that has an opening 10d toward the side and extends downward from the upper end portion 10a, and the upper end portion 10a. The mounting hole formed at the bottom and the mounting hole formed at the lower end of the cylinder body 8 are attached by screws 49, so that the introduction apparatus body 4 moves up and down by the vertical movement operation of the cylinder body 8. It is possible. The screw 49 may be a pin or the like as long as the tip tube 10 and the tube body 8 can be attached.

  Further, an attachment portion 10e having a through hole 10f is formed laterally between the opening 10d and the upper end portion 10a in the leg portion 10b, and the lower end portion of the wire 25 is formed in the through hole 10f. It is inserted from above. Further, attachment portions 10g and 10g (one not shown) having through holes 10h are formed in the front-rear direction of the leg portion 10b between the attachment portion 10e and the opening 10d.

  Among these, one end of the wire 26 as a linear body in the present invention is inserted from above into the through hole 10h on one side, and the other end of the wire 26 is similarly inserted into the other through hole 10h. (Not shown). The substantially central portion of the wire 26 is connected to the lower end portion of the wire 25.

  The guide body 6 includes a support portion 6a having a support surface 6c for supporting the camera 2a, and side portions 6b and 6b (one is not shown) continuously extending from both sides of the support portion 6a. ing. An attachment hole 6d penetrating from the front to the rear is formed in the upper end portion 6e of the support portion 6a. The attachment hole 6d and the attachment hole 10c of the distal end tube 10 can be appropriately rotated by the shaft 50, respectively. It is pivotally supported by.

  Further, one end of a wire 26 inserted from the one side through hole 10h is connected to the one side part 6b, and similarly, the other side part 6b is inserted from the other side through hole 10h. The other end of the formed wire 26 is connected (not shown). For this reason, the guide body 6 pulls the wire 25 from the outside of the introduction device 3 so as to resist the restoring force generated in the coil spring 20 as shown in FIG. The shaft 50 can be turned around.

  Next, an introduction process for introducing the camera 2a into the fluid pipe 1 will be described. In this introduction process, the endoscope 2 is in operation, and the state inside the fluid pipe 1 can be confirmed by the monitor 2c.

  First, in the state of FIG. 2, in order to introduce the camera 2 a into the fluid pipe 1 by the introduction device 3, the valve body 30 a (see FIG. 4) is operated by operating the valve shaft 30 c of the on-off valve 30 (see FIG. 1). After opening the on-off valve 30 by operating, the inside of the housing part 5 and the cylinder body 8 is opened to the outside by operating the lever of the on-off valve 34, and the inside of the housing part 5 and the cylinder body 8 is opened. Is replaced with clean water in the fluid pipe 1.

  After the on-off valve 30 is opened and the on-off valve 34 is closed, the handle portion 44 is pressed downward to move the cylinder 8 downward, so that the introduction device body 4 and the camera 2a are moved. Then, the monitor 2c on which the image picked up by the camera 2a is displayed is lowered while being monitored, and the lower part of the introduction device main body 4 and the camera 2a are arranged in the fluid pipe 1. At this time, the position of the camera 2a is confirmed by monitoring the monitor 2c, and if necessary, a force is applied to the handle portion 44 to rotate the introduction device main body 4 by a predetermined amount in the horizontal direction, and the fluid pipe of the camera 2a. The position in 1 is corrected.

  From this state, by pulling the upper end portion of the wire 25 from the outside of the introduction device 3, the guide body 6 is appropriately rotated as shown in FIG. When the guide body 6 has been excessively rotated, the rotation amount of the guide body 6 can be adjusted by the restoring force of the coil spring 20 by pushing the wire 25 back into the introduction device 3 by a predetermined amount.

  Then, as shown in FIG. 6, by operating the cable 2b, the camera 2a is fed and moved toward the right side of the fluid pipe 1 along the support surface 6c, and the camera 2a moves the inside of the fluid pipe 1 inside. By capturing an image, the state inside the fluid pipe 1 can be grasped via the monitor 2c.

  In the present embodiment, as an internal state of the fluid pipe 1, an image of the inner peripheral surface of the fluid pipe 1 that has deteriorated due to secular change is mainly captured. After the above-described imaging by the camera 2a, suction means (not shown) is installed in the pipe instead of the camera 2a, and for example, mortar scraps separated from the inner peripheral surface of the fluid pipe 1 are sucked.

  As described above, in the introduction device 3 in the present embodiment, the guide body 6 is pivotally supported with respect to the distal end tube 10, and an operation unit that rotates the guide body 6 inside the fluid pipe 1. Is provided so as to be operable from the outside of the fluid pipe 1, so that the guide body 6 that has moved into the fluid pipe 1 from the accommodating portion 5 branched from the fluid pipe 1 is moved inside the fluid pipe 1 together with the endoscope 2. The turning operation of turning in FIG. 5 can be performed easily and without damaging the endoscope 2 and the fluid tube 1 by the operation unit that can be operated from outside the fluid tube 1.

  Further, the operation part is composed of wires 25 and 26 having one end attached to the guide body 6 and the other end protruding outside the accommodation part 5 through the inside of the accommodation part 5, so that the other end of the wire 25 protruding outside the accommodation part 5 is provided. By simply pulling the side, the guide body 6 can be rotated with a simple configuration without requiring any special power.

  Moreover, since the attachment parts 10e and 10g which attach the wires 25 and 26 along the front-end | tip cylinder 10 are provided in the front-end | tip cylinder 10, between the inside of the accommodating part 5 and the inside of the fluid pipe | tube 1 by attachment parts 10e and 10g. Since the wire 25 can be arranged in an orderly manner along the distal end tube 10 that moves, the risk of the wire 25 becoming tangled can be avoided.

  Further, since the endoscope 2 has a camera 2a that images the inside of the fluid tube 1, the endoscope 25 uses the wire 25 while visually confirming the inside of the fluid tube 1 using the camera 2a. The guide body 6 can be rotated.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above-described embodiment, the fluid pipe 1 is configured as a water transport pipe in which the fluid flowing therein is clean water, but the fluid is not necessarily limited to clean water, and may be industrial water, for example. Also, it can be applied to a fluid pipe through which a fluid in a gas or gas-liquid mixed state flows.

  In the above-described embodiment, the working tool introduced into the fluid pipe 1 is configured by the endoscope 2. However, if the predetermined work is performed inside the fluid pipe 1, the working tool is the inner part. For example, the working tool may be a suction hose having a suction port for sucking chips generated inside the fluid pipe in the fluid pipe excision process in the continuous water process. In this case, the introducing device main body may guide the suction hose into the fluid pipe while the guide body supports the suction port of the suction hose.

  Moreover, in the said Example, the wire 25 is comprised as a linear body, the lower end part of the wire 25 is penetrated to the through-hole 10f of the attachment part 10e, and both ends of the wire 26 connected to the lower end part of the wire 25 are both While being inserted into the through holes 10h and 10h of the mounting portion 10g and connected to the side portions 6b and 6b of the guide body 6, as a modification of the present invention, as shown in FIG. As an example, a bar 27 made of metal, resin, or the like may be formed on the side parts 6b, 6b (one not shown) of the guide body 6, and the lower ends of both bars 27, 27 can be appropriately rotated. By pivotally connecting the lower ends of the wires to the upper ends of both bars 27, 27 (not shown), it is possible to avoid the risk of tangling the linear body.

  Further, in the above embodiment, the opening U for moving the introduction device main body 4 and the camera 2a to the inside of the fluid pipe 1 is drilled at the top of the fluid pipe 1 surrounded by the casing 12 by a punching device (not shown). The inside of the fluid pipe 1 and the inside of the communication portion 12a are communicated with each other through the opening U, but the fluid pipe is configured as a T-shaped tube having an opening portion that opens in advance toward the top of the tube. The introduction device main body 4 may be introduced into the fluid pipe from the opening.

1 Fluid Pipe 2 Endoscope (Working Tool)
2a Camera 5 Housing part 6 Guide body (guide part)
8 cylinder (moving part)
10 Tip tube (moving part)
10e, 10g Mounting part 25, 26 Wire (operation part, linear body)
27 Bar (Linear)

Claims (3)

An introduction device for introducing a working tool for performing a predetermined operation inside a fluid pipe into the fluid pipe in an uninterrupted state,
A guide portion for the working tool is mounted via a spring, the housing and capable of accommodating housing portion provided by branching the guide part and the working tool therein, the guide portion and the implement from the fluid pipe A moving part that moves between the part and the fluid pipe,
The guide part is pivotally supported with respect to the moving part, and an operation part for rotating the guide part inside the fluid pipe is provided so as to be operable from the outside of the fluid pipe. And
The operation part is arranged along the outer periphery of the moving part, and is composed of a linear body having one end attached to the guide part and the other end protruding outside the accommodation part through the inside of the accommodation part. Introduction device. The introduction device according to claim 1 , wherein an attachment portion for attaching the linear body along the moving portion is provided on the moving portion. The working tool is insertable apparatus according to claim 1 or 2, characterized in that it comprises a camera for imaging an interior of the fluid conduit.

Images