JP2008030600A - Tube transport vehicle and transport method - Google Patents

Abstract

[PROBLEMS] To evacuate pipes such as gas pipes and water pipes that can be efficiently handled in a road occupying one lane without using a crane when burying pipes such as water pipes by the open-cut method. A vehicle and a method for transporting a pipe using the vehicle are provided.
SOLUTION: A first transport vehicle (truck) that transports pipes from a storage location to an excavation site, a second transport vehicle (self-propelled tube transport cart) that transports tubes to an embedding site at the excavation site, and burial The pipe is transported by sequentially using a portal frame (a portal frame with a pipe feeding function and a pipe lifting function) that suspends the pipe in the excavation groove at the place.
[Selection] Figure 1

Description

  The present invention relates to a pipe transport vehicle used for transporting a pipe to an embedding site when a pipe such as a gas pipe or a water pipe is buried by an open-cut method, and a pipe transport method using the same.

  When burying pipes such as gas pipes and water pipes, the excavation method is to excavate buried trenches by excavation from the ground, bury pipes, construct joints, inspect, and prevent corrosion, and then backfill with backfill soil. It is often used in terms of construction and economy.

  At that time, according to the open-cut method, at least a road with a length of about several tens to 100 m is occupied for one lane and buried.

  However, when burying pipes that are 9 to 12 meters long and heavy, such as gas pipes, pipes that have been transported to the burial site by trucks are usually suspended by cranes. When hanging down the pipe, by extending the outrigger of the crane, the road is temporarily occupied by two lanes, and there are restrictions when obtaining permission to occupy the road, and there is an obstacle in terms of vehicle traffic. End up.

  In view of this, there have been proposed several pipe transport devices that eliminate such disadvantages and make it possible to hang pipes in a single road lane.

  For example, Patent Document 1 describes a transportation device with a suspension function that includes a traveling unit capable of self-propelling, a swivel bed unit provided on an upper part of the traveling unit, and a crane provided on the swivel bed unit. . This transporting device with a suspension function lifts the pipe that has been transported to the burial site by a truck with a crane provided on the swivel bed, and receives it on the swivel bed, and transports the pipe to the buried site, The crane is suspended in the excavation groove. As a result, the pipe can be lifted, transported, and suspended in a single road lane.

  Further, Patent Document 2 describes a pipe transportation / hanging device having a traveling device, a deck provided on an upper portion of the traveling device, and a jib crane attached to a turning post provided on the deck. . This transport / suspending device lifts the pipe with a jib crane, mounts it on the deck, and transports it as it is to the burial site. And when it reaches the burial site, it travels to the burial position using one side of the digging groove, and then the pipe is suspended in the digging groove by a jib crane. As a result, it is possible to carry and hang pipes in a single road lane.

In the [Best Mode for Carrying Out the Invention] column, the following Patent Document 3 is cited, which is also described here.
JP-A-8-245178 JP-A-10-59680 JP 2003-185057 A

  However, since the carrying device described in the above-mentioned Patent Documents 1 and 2 uses a mounted crane to handle a pipe, when using it for a pipe having a weight of 3 tons or more, Based on the provisions of Article 88, Paragraph 2 of the Occupational Safety and Health Act, it is necessary to notify the head of the Labor Standards Inspection Office at least 30 days before the start of construction, and there is a problem that there are restrictions on use.

  In addition, pipes to be embedded include not only straight pipes (straight pipes) but also bent pipes (bend pipes), but conventional transport devices have little consideration for bend pipes, and the posture is stable. There is also a problem that it takes time to handle difficult bend pipes.

  The present invention has been made in view of the circumstances as described above. When a pipe such as a gas pipe or a water pipe is buried by an open-cut method, the road occupancy is one lane without using a crane in the construction site. It is an object of the present invention to provide a pipe transport vehicle capable of efficiently handling a pipe within the pipe and a pipe transport method using the same.

  In order to solve the above problems, the present invention has the following features.

  [1] A transport vehicle for transporting pipes, which is installed on a truck body and a truck bed of the truck body, supports the pipes during transportation, and pulls the pipes from the rear of the cargo bed in the direction of the pipe axis during delivery. A tube transport vehicle comprising a tube support / drawer mechanism that makes it possible.

  [2] The pipe support / drawer mechanism has a plurality of pipe support carts in the longitudinal direction of the cargo bed that support the pipe and move in the longitudinal direction of the cargo bed by the wheels. The tube transport vehicle according to the above [1], which becomes immovable and can move along a guide rail extending in the longitudinal direction of the loading platform when unloading.

  [3] The pipe support / drawer mechanism has a roller conveyor installed on the loading platform surface and a plurality of lifting platforms with a lifting function arranged on the loading platform in the longitudinal direction of the loading platform. The attached nozzle is raised to support the pipe, and at the time of delivery, the nozzle with lifting function is lowered and the pipe is placed on the roller conveyor and pulled out from the rear of the carrier. The pipe transport vehicle according to [1], which is characterized in that

  [4] The tube support / drawer mechanism includes a plurality of carriages that move on the loading platform surface by tires, and a plurality of lifting platforms that are arranged on the loading platform in the longitudinal direction of the loading platform. Supporting the pipe by raising the nozzle with the lifting function, and lowering the nozzle with the lifting function to place the pipe on the carriage and pulling it out from the rear of the cargo bed at the time of delivery. The tube transport vehicle according to [1] above, characterized in that

  [5] The pipe support / drawing mechanism has a plurality of V rollers arranged in the longitudinal direction of the loading platform on the loading platform and a nozzle with a lifting function arranged in the longitudinal direction of the loading platform on the loading platform. The raising / lowering nozzle is raised to support the pipe, and at the time of delivery, the raising / lowering nozzle is lowered to place the pipe on the V-roller and pulled out from the rear of the loading bed. The pipe transport vehicle according to [1], wherein the pipe transport vehicle is provided.

  [6] The tube transport according to any one of [1] to [5], wherein the tube support / drawer mechanism includes a tube restraining means for restraining the movement of the tube in the case of a curved pipe. vehicle.

  [7] A transport vehicle for transporting a pipe, wherein a crawler-type traveling unit capable of self-propelling, a deck provided on an upper part of the traveling unit, and a height position provided on the deck are adjusted. A pipe feed support mechanism for supporting the drawn pipe, and a winch used for pulling the pipe. Transportation vehicle.

  [8] The tube feed support mechanism has a roller conveyor that is movable in the vertical direction, and adjusts the height position of the roller conveyor to draw in and pull out the tube, and on the roller conveyor. The pipe transport vehicle according to [7], wherein the pipe is placed on and supported by the pipe.

  [9] The tube feed support mechanism includes a roller table with a lifting function and a fixed tube table, and adjusts the height position of the roller table with a lifting function to draw in and pull out the tube. The tube transport vehicle according to [7], wherein the tube is supported by placing the tube on a fixed nozzle.

[10] A method of transporting a pipe for transporting a pipe from a storage place to a digging groove at the buried place when the pipe is buried by an open-cut method,
A truck body and a pipe support / drawer mechanism that is installed on the truck bed of the truck body and supports the pipe during transportation and enables the pipe to be pulled out horizontally from the rear of the bed during delivery. 1 transport vehicle,
A crawler type self-propelled traveling part, a deck provided on the upper part of the traveling part, and a height provided on the deck to adjust the height position so that a pipe is drawn in and out in the tube axis direction. And a second transport vehicle equipped with a pipe feed support mechanism for supporting the drawn pipe, and a winch used for drawing the pipe,
A pipe feed function having a gate-type frame body and a roller that is detachably attached to a pair of pillars of the gate-type frame body, supports the pipe in a mounted state, and allows the pipe to move in the pipe axis direction; With a portal frame that is attached to the portal frame body and has a tube hanging function for hanging the tube,
A method of transporting a tube, characterized by transporting the tube sequentially.

[11] A step of transporting the pipe from the storage location to the excavation site by the first transport vehicle;
A step of transferring the pipe from the first transport vehicle to the second transport vehicle at the excavation site;
Transporting the pipe to the burial site with a second transport vehicle;
Transferring the pipe from the second transport vehicle to the portal frame at the burial site;
The method for transporting a pipe according to [10], further comprising a step of suspending the pipe in an excavation groove at a buried place by the portal frame.

  In the present invention, when pipes such as gas pipes and water pipes are buried by the open-cut method, pipes can be efficiently handled in one road lane without using a crane at the construction site.

  An embodiment of the present invention will be described with reference to the drawings.

  In this embodiment, when a pipe is embedded by the open-cut method, a first transport vehicle (truck) that transports the pipe from the storage place to the excavation site in order to transport the pipe from the storage place to the excavation groove at the buried place. And a second transport vehicle (self-propelled tube transport carriage) that transports the pipe to the burial site at the excavation site, and a gate-type frame (pipe feed function and pipe suspending function) that suspends the pipe in the excavation groove at the burial site The pipes are transported sequentially using the gate-type frame.

  Therefore, in the following, first, the structure of the first transport vehicle, the second transport vehicle, and the portal frame will be described in order, and finally, the method of transporting the pipe using them will be described.

(First transport vehicle)
The first transport vehicle is detachably installed on the truck main body and the truck bed of the truck main body, and supports the pipe during transportation and enables the pipe to be pulled out from the rear of the cargo bed in the direction of the pipe axis during delivery. It has a tube support / drawer mechanism.

  1 to 4 show an example of a first transport vehicle (truck). FIG. 1A is a side view of the entire first transport vehicle, and FIG. 1B is a plan view. 2 to 4 show the tube support / drawing mechanism. FIG. 2 (a) is a front view, FIG. 2 (b) is a partially enlarged view of FIG. 2 (a), and FIG. ) Is a plan view, FIG. 3B is a partially enlarged view of FIG. 3A, and FIGS. 4A and 4B are explanatory diagrams of operation.

  As shown in FIGS. 1 to 4, in the first transport vehicle (truck) 10, two pipes can be transported on the loading platform 11 a of the truck body 11 corresponding to each pipe. The installed pipe support / drawing mechanism 12 supports the pipe 1 and has a plurality of pipe support carriages 13 (three in this case) in the longitudinal direction of the cargo bed, which are moved on the cargo bed longitudinal direction by the wheels 26. Therefore, the pipe support carriage 13 cannot be moved during transportation, and can be moved along the guide rail 14 extending in the longitudinal direction of the loading platform during delivery.

  That is, the pipe support carriage 13 is configured by connecting a pair of left and right traveling units 20 having front and rear wheels 26 by connecting beams 29, and rotatably holds the wheels 26 on the base 21 of the traveling unit 20. The wheel holder 23 is rotatably connected to a shaft 25, and one end is pivotally supported by the shaft 24 on the top of the front wheel holder 23 and the other end is pivotally supported by the shaft 24 on the top of the rear wheel holder 23. The front and rear wheel holders 23 are connected to each other by the hydraulic cylinder 22.

  Thereby, in the state where the cylinder 22 is contracted (the state shown in FIG. 4A), the wheels 26 held by the wheel holders 23 are separated from the surface of the loading platform 11a, and the base 21 is in contact with the surface of the loading platform 11a. In the state where the cylinder 22 is extended (the state shown in FIG. 4B), the base 21 is separated from the surface of the loading platform 11a and the wheels 26 are in contact with the surface of the loading platform 11a. It becomes possible to move to.

  When the pipe 1 is transported, the pipe 1 is placed on and supported by the connecting beams 29 of a plurality of (three in this case) pipe support carriages 13 arranged in the longitudinal direction of the loading platform, and the pipe 1 is loaded. At the time of delivery, the tube support carriage 13 on which the tube 1 is placed and supported moves rearward, and the tube 1 can be pulled out from the rear of the loading platform 11a in the tube axis direction. In addition, 17 in Fig.1 (a) is the horizontal holding | maintenance jack used when the pipe | tube 1 is delivered.

  Here, when the pipe 1 is a bend pipe, when the pipe is pulled out in the pipe axis direction, the attitude of the pipe tends to become unstable, and the pipe support carriage 13 tends to meander or move up and down. Therefore, as shown in FIGS. 1 and 2, the tube 1 is restrained by bands 16 whose ends are locked to the left and right traveling portions 20 of the tube support carriage 13, and as shown in FIGS. Further, by moving the horizontal guide roller 27 and the vertical guide roller 28 provided on the side surface of the traveling portion 20 of the tube support carriage 13 while making contact with the guide rail 14 having a U-shaped cross section, the tube support carriage 13 is moved. It suppresses meandering and vertical movement. The vertical movement of the tube support carriage 13 is smaller than that of the meandering. In some cases, only the vertical guide roller 28 for suppressing the meandering is provided, and the horizontal guide roller 27 for suppressing the vertical movement is not provided. Good.

  Incidentally, in this pipe support carriage 13, as shown in FIG. 4, since the hydraulic cylinder 22 provided in the traveling unit 20 is expanded and contracted in the horizontal direction, the hydraulic cylinder extending and contracting in the vertical direction is provided. Compared with the case where it is arranged, the height of the pipe support carriage 13 can be lowered, so that the pipe can be supported and pulled out at a low height position, and the safety of work is improved. .

  FIG. 5 shows another example of the first transport vehicle (truck). In the first transport vehicle (truck) 40, a pipe support / drawer mechanism installed on the loading platform 41a of the truck body 41 is provided. And a roller conveyor 43 installed on the loading platform 41a, a plurality of nozzles 44 with a lifting function arranged in the longitudinal direction of the loading platform on the loading platform 41a, and a jack 45 for the loading platform 44 with a lifting function. During transportation, the nozzle 44 with the lifting function is raised to support the pipe 1, and during delivery, the nozzle 44 with the lifting function is lowered and the pipe 1 is placed on the roller conveyor 43. Pull out from behind. In addition, 46 in FIG. 5A is a roller wire used for restraining the pipe in a state where it can move in the pipe axis direction when the pipe is a bend pipe, and 47 is for delivering the pipe 1. A horizontal holding jack sometimes used.

  FIG. 6 shows another example of the first transport vehicle (truck). In the first transport vehicle (truck) 50, a pipe support / drawer mechanism installed on the loading platform 51a of the truck body 51 is provided. , Having a plurality of carriages 53 that move on the loading platform 51a by tires, a plurality of nozzles 54 with lifting functions arranged in the longitudinal direction of the loading platform on the loading platform 51a, and a jack 55 for the loading platform 54 with lifting functions During transportation, the nozzle 54 with the lifting function is raised to support the pipe 1, and at the time of delivery, the nozzle 54 with the lifting function is lowered to place the pipe 1 on the carriage 53, and the loading platform 51a. Pull out from behind. 6 is a roller wire used for restraining the pipe in a state where it can move in the pipe axis direction when the pipe is a bend pipe, and 57 is used when unloading the pipe 1. It is a horizontal holding jack.

  FIG. 7 shows another example of the first transport vehicle (truck). In the first transport vehicle (truck) 60, a pipe support / drawer mechanism installed on the loading platform 61a of the truck body 61 is provided. A plurality of V rollers 63 arranged on the loading platform 61a in the longitudinal direction of the loading platform, a plurality of nozzles 64 with raising / lowering functions arranged on the loading platform 61a in the longitudinal direction of the loading platform, and a jack 65 for the nozzle 64 with raising / lowering functions. When transporting, the pipe base 64 with the lifting function is raised to support the pipe 1, and at the time of delivery, the pipe base 64 with the lifting function is lowered to place the pipe 1 on the V roller 63. And it pulls out from the back of the loading platform 61a. 7 is a roller wire used for restraining the pipe in a state where it can move in the pipe axis direction when the pipe is a bend pipe, and 67 is used when unloading the pipe 1. It is a horizontal holding jack.

  In the first transport vehicle 10 shown in FIGS. 1 to 4, as shown in FIG. 4, the hydraulic cylinder 22 provided in the traveling unit 20 of the pipe support carriage 13 extends and contracts in the horizontal direction. Therefore, as in the first transport vehicles 40, 50, 60 shown in FIGS. 5 to 7, the pipe is supported at a lower height position than the case where the nozzle base expands and contracts in the vertical direction, It can be pulled out, and the tube can be handled stably correspondingly.

(Second transport vehicle)
The second transport vehicle has a crawler-type self-propelled traveling part, a deck provided on the upper part of the traveling part, and a height provided on the deck to adjust the height position and draw the pipe in the direction of the tube axis. And a tube feed support mechanism for supporting the drawn tube and a winch used for pulling the tube.

  FIG. 8 shows an example of the second transport vehicle, in which FIG. 8 (a) is a side view, FIG. 8 (b) is a plan view, and FIG. 8 (c) is a side view.

  As shown in FIG. 8, in the second transport vehicle (self-propelled tube transport carriage) 70, a winch having a pair of left and right crawlers 71, a deck 72 provided on the upper portion thereof, and a hook 78 at the tip thereof. 77, and a pipe feed support mechanism provided on the deck 72 has a roller conveyor 74 that is movable in the vertical direction by a chain drive using a hydraulic cylinder 75 that expands and contracts in the horizontal direction. In this configuration, the height position of the roller conveyor 74 is adjusted to pull the pipe in and out, and the pipe is placed on the roller conveyor 74 to support the pipe. In addition, 73 in FIG. 8 is a raising / lowering guide stand, and the roller conveyor 74 raises / lowers along it. Further, 76 in FIG. 8 is a remote controller for remotely controlling the operation of the self-propelled tube transport carriage including the operation of the roller conveyor 74.

  FIG. 9 shows another example of the second transport vehicle. FIG. 9A is a side view, FIG. 9B is a plan view, and FIG. 9C is a side view.

  As shown in FIG. 9, in this second transport vehicle (self-propelled tube transport cart) 80, a winch 87 having a pair of left and right crawlers 81, a deck 82 provided on the top thereof, and a hook 88 at the tip. And a tube feed support mechanism provided on the deck 82 includes a roller table 83 with a lifting function and a fixed tube table 84, and the roller table 83 with a lifting function. The tube is pulled in and out by adjusting the height position of the tube, and the tube is placed on the fixed tube base 84 to support the tube.

  In the second transport vehicle 70 shown in FIG. 8 and the second transport vehicle 80 shown in FIG. 9, a crawler is used for the traveling portion, and thereby the ground pressure is smaller than that in the case of using wheels. As a result, it is not necessary to excessively fasten the burial site as in the case of using a wheel.

  In the second transport vehicle 70 shown in FIG. 8, the hydraulic cylinder 75 of the pipe feed support mechanism provided on the deck 72 is configured to expand and contract in the horizontal direction. Compared to the case where the roller base 83 with the lifting / lowering function expands and contracts in the vertical direction as in the second transport vehicle 80, the pipe can be supported and pulled out at a low height position. Can be handled stably.

(Gate type frame)
A portal frame (a portal frame with a tube feeding function and a tube hanging function) is an apparatus described in Patent Document 3 and the like, and a portal frame body that can be placed across a digging groove and a portal frame A pipe feed function having a roller attached to a pair of pillars of the main body, supporting a pipe in a mounted state on the pillar, and enabling the pipe to move in the direction of the pipe axis; And a tube hanging function for hanging.

  FIG. 10 shows an example of a gate-type frame with a pipe feeding function and a pipe hanging function, and shows a procedure for hanging the pipe 1 in the excavation groove 2 using the frame.

  As shown in FIG. 10, the gate-type frame 90 with the pipe feeding function and the pipe suspension function is attached to and detached from the gate-type frame body 91 that can be placed across the excavation groove and the pair of pillars 91 a of the gate-type frame body 91. A roller wire 94 that is attached to the column 91a so as to support the tube 1 in a mounted state and can move the tube 1 in the tube axis direction, and is also detachably attached between the pair of columns 91a. And a chain block 93 that is attached to the beam 91b of the portal frame 91 and is used when the pipe 1 is suspended.

  When the pipe 1 is suspended using such a gate-type frame 90 with a pipe feeding function and a pipe hanging function, first, as shown in FIG. 10 (a), a roller wire 94 attached to a column 91a is used. While supporting the tube 1, the tube 1 is pulled in the tube axis direction. Next, when the pulling of the tube 1 is finished, as shown in FIG. 10B, the tube 1 is suspended by the chain block 93 and the roller wire 94 and the tension rod 96 are removed from the column 91a. Then, the pipe is suspended in the excavation groove 2 by the chain block 93.

(Tube transportation method)
Finally, the procedure for transporting the pipe from the storage location to the excavation groove in the burial site using the first transport vehicle, the second transport vehicle and the portal frame as described above will be described below. Here, the first transport vehicle 10, the second transport vehicle 70, and the portal frame 90 are used.

  (S1) First, the first transport vehicle 10 transports the pipe 1 from the storage location to the excavation site.

(S2) Next, at the excavation work site, the pipe 1 is moved from the first transport vehicle 10 to the second transport vehicle 70 as shown in FIGS.
That is, using the winch 73 provided in the second transport vehicle 70, the tube 1 is pulled out from the rear of the loading platform 11 a of the first transport vehicle 10 and moved onto the roller conveyor 74 of the second transport vehicle 70.
At that time, the pipe support carriage 13 on the loading platform 11a of the first transport vehicle 10 moves to the rear end of the loading platform 11a and stops there.
When the pipe 1 is a bend pipe, the pipe 1 is moved onto the roller conveyor 74 of the second transport vehicle 70, and when the band 16 of the end pipe support carriage 13 is loosened, the pipe 1 is bent in the horizontal direction until then. From the above, the posture is changed to a vertically bent posture with the pipe end down, so that the roller conveyor 74 is raised as shown in FIG. 11 (d), and the pipe end of the pipe 1 becomes the loading platform of the first transport vehicle 10. Move away from 11a.

  (S3) When the pipe 1 is moved to the second transport vehicle 70, the second transport vehicle 70 transports the tube 1 to the embedding place as shown in FIG.

(S4) Then, at the burial location, as shown in FIG. 12 (a), two portal frames 90 (90a, 90b) are arranged on the excavation groove 2 with a predetermined interval in the longitudinal direction. As shown in FIG. 12 (b), two portal frames 90a and 90b are provided by using the power shovel 100 or the like used for excavating the excavation groove 2 by placing the wire 101 on the pipe 1 on the second transport vehicle 70. Pull in between.
Then, as shown in FIG. 12C, the pipe 1 is supported by the two portal frames 90a and 90b.

  (S5) Finally, as shown in FIG. 12 (d), the pipe 1 is suspended in the excavation groove 2 at the burial site by the portal frames 90a and 90b.

  In FIG. 12B, as shown in FIG. 13, if the chill hole 102 is used, there is no need to grasp the wire 101 again, which is efficient.

  Further, in the above (S4) and (S5), when the excavation groove 2 has been excavated in advance and the power shovel 100 or the like cannot be used, or in the case of a bend pipe, FIG. Instead, it may be configured as shown in FIGS.

That is, as shown in FIG. 14 (a), two portal frames 90a and 90b are arranged close to each other on the excavation groove 2 at the buried site, and the second transport is performed as shown in FIG. 14 (b). The vehicle 70 travels across the excavation groove 2 and pushes the pipe 1 between the two portal frames 90a and 90b. Then, as shown in FIG. 14C, the second transport vehicle 70 moves backward while supporting the pipe 1 in a state where the front end portion of the pipe 1 is supported by the portal frame 90 a. At the same time, the portal frame 90 b is moved to the rear end side of the tube 1. And if the pipe | tube 1 leaves | separates from the 2nd conveyance vehicle 70, the pipe | tube 1 will be supported by the two portal frames 90a and 90b.
Finally, as shown in FIG. 14 (d), the pipe 1 is suspended in the excavation groove 2 at the burial site by the portal frames 90a and 90b.

  Incidentally, in FIG. 14, it is not necessary to feed the portal frames 90a and 90b while supporting the pipe. Therefore, the roller wires 94 and the tension rods 96 of the portal frames 90a and 90b are removed from the beginning, or the roller wires or the like are used. It may be a portal frame that does not have.

  As described above, in this embodiment, when pipes such as gas pipes and water pipes are buried by the open-cut method, pipes are handled in a road occupancy lane without using a crane at the construction site. Can be performed efficiently.

  In the above description, the first transport vehicle 10, the second transport vehicle 70, and the portal frame 90 are used. However, 40, 50, 60 may be used for the first transport vehicle, and 80 may be used for the second transport vehicle.

It is explanatory drawing of the transport vehicle (truck) in one Embodiment of this invention. It is explanatory drawing of the pipe support and drawer mechanism in the transport vehicle of FIG. It is explanatory drawing of the pipe support and drawer mechanism in the transport vehicle of FIG. It is operation | movement explanatory drawing of the pipe support and drawer mechanism in the transport vehicle of FIG. It is explanatory drawing of the other transport vehicle (truck) in one Embodiment of this invention. It is explanatory drawing of the other transport vehicle (truck) in one Embodiment of this invention. It is explanatory drawing of the other transport vehicle (truck) in one Embodiment of this invention. It is explanatory drawing of the conveyance vehicle (self-propelled pipe conveyance cart) in one Embodiment of this invention. It is explanatory drawing of the other transport vehicle (self-propelled pipe transport cart) in one Embodiment of this invention. It is explanatory drawing of the gate-type frame with a pipe feed function and a pipe suspension function in one Embodiment of this invention. It is explanatory drawing of the conveyance method of the pipe | tube in one Embodiment of this invention. It is explanatory drawing of the conveyance method of the pipe | tube in one Embodiment of this invention. It is explanatory drawing of the conveyance method of the pipe | tube in one Embodiment of this invention. It is explanatory drawing of the conveyance method of the pipe | tube in one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pipe 2 Excavation groove 10 Truck 11 Truck main body 11a Loading platform 12 Pipe support / drawing mechanism 13 Tube support carriage 14 Guide rail 16 Band 17 Horizontal holding jack 20 Traveling part 21 Base 22 Hydraulic cylinder 23 Wheel holder 24 Axis 25 Axis 26 26 Wheel 27 Horizontal guide roller 28 Vertical guide roller 29 Connecting beam 40 Truck 41 Truck main body 41a Loading platform 43 Roller conveyor 44 Pipe base with lifting function 45 Pipe jack 46 Roller wire 47 Horizontal holding jack 50 Truck 51 Truck main body 51a Loading platform 53 Dolly 54 Lifting function Attached pedestal 55 Jack for pedestal 56 Roller wire 57 Horizontal holding jack 60 Truck 61 Truck main body 61a Loading platform 63 V roller 64 Abutment with lift function 65 Jack for pedestal 66 Roller wire 6 Horizontal holding jack 70 Self-propelled pipe carrier truck 71 Crawler 72 Deck 73 Lifting guide stand 74 Roller conveyor 75 Hydraulic cylinder 76 Remote controller 77 Winch 78 Hook 80 Self-propelled pipe carrier truck 81 Crawler 82 Deck 83 Pipe base 84 With lifting function Roller base (Roller jack)
87 Winch 88 Hook 90, 90a, 90b Gate type frame with pipe feeding function and pipe hanging function 91 Gate type frame main body 91a Column of the gate type frame main body 91b Beam of the gate type frame main body 93 Chain block 94 Roller wire 95 Locking member 96 Strut rod 100 Power shovel 101 Wire 102 Chill hole

Claims (11)

  It is a transport vehicle for transporting pipes. It is installed on the truck body and the truck bed of the truck body, supports the pipes during transportation, and can pull out the pipes from the back of the cargo bed in the direction of the pipe axis during delivery. A pipe transport vehicle comprising a pipe support / drawer mechanism.   The tube support / drawer mechanism has a plurality of tube support trolleys in the longitudinal direction of the loading platform that support the tubes and move in the longitudinal direction of the loading platform by wheels, and the tube support carts cannot move during transportation. The pipe transport vehicle according to claim 1, wherein, at the time of unloading, the pipe transport vehicle can be moved along a guide rail extending in a longitudinal direction of the loading platform.   The pipe support / drawer mechanism has a roller conveyor installed on the loading platform surface and a plurality of lifting platforms with a lifting function arranged on the loading platform in the longitudinal direction of the loading platform. To support the pipe, and at the time of unloading, the pipe base with the lifting function is lowered to place the pipe on the roller conveyor and to be pulled out from the back of the cargo bed. The pipe transport vehicle according to claim 1.   The pipe support / drawer mechanism has a plurality of carriages that move on the loading platform surface by tires and a plurality of lifting platforms that are arranged on the loading platform in the longitudinal direction of the loading platform. The nozzle is raised to support the pipe, and at the time of unloading, the nozzle with the elevating function is lowered to place the pipe on the carriage and pulled out from the rear of the carriage. The pipe transport vehicle according to claim 1.   The pipe support / drawer mechanism has a plurality of V rollers arranged on the loading platform in the longitudinal direction of the loading platform and a plurality of lifting platforms with a lifting function arranged on the loading platform in the longitudinal direction of the loading platform. The nozzle with function is raised to support the pipe, and at the time of delivery, the nozzle with lifting function is lowered to place the pipe on the V-roller and pulled out from the rear of the carrier. The tube carrying vehicle according to claim 1.   6. The pipe transport vehicle according to claim 1, wherein the pipe support / drawer mechanism includes pipe restraining means for restraining movement of the pipe in the case of a curved pipe.   A transport vehicle for transporting a pipe, which is a crawler type self-propelled traveling part, a deck provided on the upper part of the traveling part, and a height position provided on the deck to adjust the pipe. A pipe transport vehicle characterized by comprising a pipe feed support mechanism that enables drawing and pulling in the pipe axis direction and supporting the drawn pipe, and a winch that is used when pulling the pipe.   The tube feed support mechanism has a roller conveyor that is movable in the vertical direction, adjusts the height position of the roller conveyor, pulls in and pulls out the tube, and places the tube on the roller conveyor. The pipe transport vehicle according to claim 7, wherein the pipe transport vehicle is mounted and supports the pipe.   The tube feed support mechanism includes a roller base with an elevating function and a fixed base, and adjusts the height position of the roller base with an elevating function to draw in and pull out the pipe, The pipe transport vehicle according to claim 7, wherein the pipe is placed on and supported by the pipe. A pipe transport method for transporting a pipe from a storage location into a digging groove at a buried location when the pipe is buried by an open-cut method,
A truck body and a pipe support / drawer mechanism that is installed on the truck bed of the truck body and supports the pipe during transportation and enables the pipe to be pulled out horizontally from the rear of the bed during delivery. 1 transport vehicle,
A crawler type self-propelled traveling part, a deck provided on the upper part of the traveling part, and a height provided on the deck to adjust the height position so that a pipe is drawn in and out in the tube axis direction. And a second transport vehicle equipped with a pipe feed support mechanism for supporting the drawn pipe, and a winch used for drawing the pipe,
A pipe feed function having a gate-type frame body and a roller that is detachably attached to a pair of pillars of the gate-type frame body, supports the pipe in a mounted state, and allows the pipe to move in the pipe axis direction; With a portal frame that is attached to the portal frame body and has a tube hanging function for hanging the tube,
A method of transporting a tube, characterized by transporting the tube sequentially. Transporting the pipe from the storage location to the open-cut construction site by the first transport vehicle;
A step of transferring the pipe from the first transport vehicle to the second transport vehicle at the excavation site;
Transporting the pipe to the burial site with a second transport vehicle;
Transferring the pipe from the second transport vehicle to the portal frame at the burial site;
The method for transporting a pipe according to claim 10, further comprising a step of suspending the pipe in an excavation groove at a buried place by the portal frame.

Images