JP3822694B2 - Battery car for inserting a new pipe into the buried pipe and method for inserting the new pipe into the buried pipe - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a battery car for inserting a new pipe into the buried pipe and a method for inserting the new pipe into the buried pipe .
[0002]
[Prior art]
As a pipeline rehabilitation method, there is a method of inserting a new pipe into an existing buried pipe. As a new pipe insertion device employed in this construction method, one described in Japanese Utility Model Publication No. 62-16875 is known.
[0003]
In this new pipe insertion device, a support beam is supported on the carriage in parallel with the traveling direction of the carriage via a height adjusting device, and the carriage is placed inside the buried pipe with the support pipe carrying the new pipe. It can be run by.
By the way, conventionally, this new pipe insertion device has been pulled by the power of 5 to 6 workers.
[0004]
[Problems to be solved by the invention]
However, when pulling the new pipe insertion device manually as in the prior art, since the weight that can be supported by the new pipe insertion device is considerably limited, the diameter of the new pipe that can be inserted into the buried pipe Length is limited (Maximum diameter is about 1500mm with FRPM pipe, maximum installation length is about
310m). Moreover, a plurality of workers and a lot of labor are required.
[0005]
In addition, although it is possible to run a new pipe insertion apparatus using the forklift F as shown in FIG. 2, in the state which has not loaded the load on the fork, the front wheel which is a driving wheel idles, and a new pipe insertion apparatus is carried out. Is difficult to drive. In the figure, b is a battery and w is a weight.
[0006]
In addition, it is possible to adopt the rail type unmanned battery car described in the catalog of NEW Auto Carry (Battery Car Series) of Chiyoda Manufacturing Co., Ltd. become.
[0007]
Therefore, the present invention focuses on the above-described problem, and an object thereof is to allow a new pipe to be inserted into an existing pipe with a small amount of labor and in a short time.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, the front and rear wheels, a fork part provided in front of the front wheel and moved up and down, and a weight provided below the fork part are provided. An electric motor that drives the front wheel; a battery that is provided at a position that suspends the weight and supplies electric power to the electric motor; steering means that steers at least one of the front wheel and the rear wheel; and the front wheel and the rear wheel A connecting box having an upper opening on the fork portion, and a wheel of a connecting rod having a wheel projecting from the rear portion of the new pipe insertion device at the tip. It is set as the structure inserted so that the bottom of a connection box may move in a connection box, In this invention of Claim 2, in this invention of Claim 1, the said battery is arrange | positioned in the back position rather than a seat. The structure In the present invention of claim 3, in the present invention as set forth in any one of claims 1-2, front and rear wheels is configured as a tube tire.
The method for inserting a new pipe into the buried pipe according to the present invention is a method for inserting the new pipe into the existing buried pipe, and the new pipe is inserted into the new pipe insertion device so that the new pipe is supported. A wheel at the tip of the connected connecting rod is inserted into the connecting box of the battery car for inserting a new pipe according to any one of claims 1 to 3 so as to move the bottom of the connecting box, and the new pipe inserting device is inserted into the new pipe. It is connected to an insertion battery car, and the new pipe insertion device is pulled or pushed forward by the new pipe insertion battery car in the existing buried pipe.
[0009]
[Action]
In the first aspect of the invention, the weight is provided in front of the front wheel, and the battery is provided at a position where the weight is suspended from the front wheel. Will be able to. Moreover, since the steering means is provided, it can be made to drive | work in a desired direction even without a rail. Furthermore , since it is possible to connect to the new pipe insertion device 10 and to release the connection with the new pipe insertion device 10 simply by raising and lowering the fork portion 17 without using a fastener, the operation is very easy. is there.
[0010]
Accordingly, the new car can be inserted into the existing buried pipe by connecting the battery car to the new pipe inserting device that supports the new pipe and traveling while pulling or pushing the new pipe inserting device.
[0011]
In the invention according to claim 2, since the battery is disposed at a position behind the seat, compared with a conventional forklift in which a battery is provided under the seat,
The installation position of the seat can be lowered, and thereby the height dimension of the entire battery car can be reduced. That is, a new pipe can be inserted into a wide range of buried pipes from a buried pipe having a large diameter to a buried pipe having a small diameter.
[0012]
In the invention according to claim 3, since the front wheels and the rear wheels are made of tube tires, it is possible to reliably prevent the front wheels and the rear wheels from slipping.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
First, the battery car for inserting a new pipe into the buried pipe according to the first embodiment will be described in detail with reference to FIG. FIG. 1 is a diagram showing a usage state of the battery car according to the first embodiment, in which 10 is a new pipe insertion device to be pulled or pushed by the battery car 1, and 20 is a new pipe supported by this new pipe insertion device. It is.
[0014]
In the new pipe insertion device 10, a support beam 102 is supported on a carriage 101 in parallel with the traveling direction of the carriage 101 via a height adjusting device 103, and the new pipe 20 is carried by the support beam 102. The cart 101 can travel in an existing buried pipe (not shown) in the raised state. The height adjusting devices 103 are provided on the front and rear sides of the carriage 101, respectively. In addition, a connecting rod 105 having a wheel 104 at its tip protrudes rearward from the rear portion of the new pipe insertion device 10.
[0015]
The battery car 1 includes a front wheel 11 and a rear wheel 12 in which tube tires are used, an electric motor (not shown) for driving the front wheel 11, a battery 13 for supplying electric power to the electric motor, the front wheel 11 and the Steering means 14 for steering both or one of the rear wheels 12, a seat 15 provided between the front wheel 11 and the rear wheel 12, and a fork guide bar 16 provided at a position forward of the front wheel 11 A fork portion 17, a roof 19 supported by the mast 18, and a weight 21 provided below the fork portion 17. The battery 13 is provided at a position where it is suspended from the weight 21, that is, at a position behind the seat 15.
[0016]
Thus, by arranging the battery 13 at a position behind the seat 15, the installation position of the seat 15 can be lowered as compared with the conventional forklift in which the battery 13 is provided under the seat 15. became. Therefore, the length of the mast 18 is shortened to make the height of the roof 19 as low as possible. Further, the fork guide bar 16 is also made as low as possible so that the overall height of the battery car 1 is reduced.
[0017]
Further, a connection box 22 having an upper opening is provided on the fork portion 17, and the wheel 104 of the new pipe insertion device 10 is inserted into the connection box 22, and the wheel 104 is connected to the bottom of the connection box 22. The battery car 1 and the new pipe inserting device 10 can be connected with play. Further, a buffer material 23 is provided at a position where the battery car 1 comes into contact with the new pipe insertion device 10. When inserting the wheel 104 into the connection box 22, the battery car 1 is inserted into the new pipe insertion device 10 until the connection box 22 is positioned below the wheel 104 of the new pipe insertion device 10 with the fork portion 17 lowered. Then, the fork portion 17 is moved upward.
[0018]
As described above, in the battery car 1 of the present embodiment, the front wheels 11 and the rear wheels 12 are tube tires, and the weight 21 is provided at a position ahead of the front wheels 11 and is suspended from the weight 21. Since the battery 13 is provided, it is possible to reliably drive the front wheel 11 as the driving wheel so as not to idle.
Moreover, since the steering means 14 is provided, it can drive | work in a desired direction even without a rail.
[0019]
In addition, it is possible to connect to the new pipe insertion device 10 and to release the connection with the new pipe insertion device 10 simply by raising and lowering the fork portion 17 without using a fastener, so that the operation is very easy. is there.
[0020]
Further, when the new pipe 20 is inserted into the existing buried pipe, the new pipe insertion device 10 supports the new pipe 20 and the new pipe insertion device 10 is connected to the battery car 1 of the present embodiment. The battery car 1 travels while pulling or pushing the new pipe insertion device 10, but at this time, it is not necessary to install a rail in the buried pipe, and the front wheel 11 that is the driving wheel of the battery car 1 is prevented from spinning idle. Therefore, the new pipe 20 can be inserted into the buried pipe in a short time with little labor.
[0021]
Further, by reducing the overall height of the battery car 1, the new pipe 20 can be inserted into a wide range of buried pipes from a buried pipe having a large diameter to a buried pipe having a small diameter.
[0022]
The embodiment of the present invention has been described in detail with reference to the drawings, but the specific configuration is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention. For example, in the embodiment, an example in which the battery is disposed at the rear position of the seat has been described. However, depending on the position or load of the weight provided at the front portion of the battery car, the battery may be further rearward (for example, behind the rear wheel). but it may also be so as to be placed.
[0023]
【effect】
As described above, in the battery car for inserting a new pipe into the buried pipe according to the first aspect of the present invention, the battery car can be driven in a desired direction without a rail, and a heavy object can be pulled. Alternatively, even when pushing forward, the front wheel, which is the driving wheel, can be reliably driven so as not to idle, and the fork portion 17 can be connected to the newly installed pipe insertion device 10 by simply raising and lowering without using a fastener, Since the connection with the pipe insertion device 10 can be released, an effect that the new pipe can be inserted into the existing buried pipe in a short time and with a small amount of labor can be obtained.
[0024]
In the battery car of the invention according to claim 2, since the overall height dimension can be reduced, when inserting a new pipe into a wide range of buried pipes from a buried pipe having a large diameter to a buried pipe having a small diameter. Can be used.
[0025]
In the battery car according to the third aspect of the present invention, the front and rear wheels are reliably prevented from slipping and can run smoothly, so that an effect that the new pipe can be inserted into the buried pipe in a shorter time is obtained.
[Brief description of the drawings]
FIG. 1 is a diagram showing a use state of a battery car for inserting a new pipe into a buried pipe according to an embodiment.
FIG. 2 is a side view of a general forklift.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Battery car 11 Front wheel 12 Rear wheel 13 Battery 14 Steering means 15 Seat 21 Weight

Claims (4)

Front and rear wheels, a fork part that is moved up and down provided in front of the front wheel, a weight provided below the fork part, an electric motor that drives the front wheel, and a position that suspends the weight comprising a battery for supplying power to the electric motor is provided, the front wheel and the steering means for steering at least one of the rear wheels, and a seat disposed between the front wheel and the rear wheel, the fork portion A connection box with an upper opening is provided on the top, and a wheel of a connection rod having a wheel protruding at the rear of the new pipe insertion device is inserted into the connection box so as to move the bottom of the connection box. A battery car for inserting a new pipe into a buried pipe. 2. The battery car for inserting a new pipe into the buried pipe according to claim 1, wherein the battery is disposed at a position behind the seat. 3. The battery car for inserting a new pipe into the buried pipe according to claim 1 , wherein the front wheel and the rear wheel are tube tires. A method of inserting a new pipe into an existing buried pipe, wherein the new pipe insertion device supports the new pipe, and a wheel at the tip of a connecting rod protruding from the rear of the new pipe insertion device is defined in any one of claims 1 to 3. The new tube insertion device is inserted into the connection box of the new tube insertion battery car so as to move the bottom of the connection box, and the new tube insertion device is connected to the battery tube for new tube insertion, and the new tube is installed in the existing buried tube. A method for inserting a new pipe into a buried pipe, wherein the new pipe insertion device is pulled or pushed forward by a battery car for inserting the pipe.

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