JPH0342157Y2 - - Google Patents

Description

[Detailed Description of the Invention] (3-1) Field of Use of the Invention The present invention relates to a stopper device for preventing hydraulic hoses, cab tire cables, etc. from being caught in a reel device for winding them up.

(3-2) Conventional technology There are two types of winding methods for reel devices: spring type and hydraulic type. Both are installed so that force is always generated in the direction of winding the hydraulic hose or cable. For this reason, when the end of a hydraulic hose or cable is disconnected, it will be completely wound up, and if it is a spring type, it will continue until the spring force is exhausted.
In addition, in the case of a hydraulic type, the take-up drum of the reel device continues to rotate while oil is being sent to the hydraulic motor, which is dangerous as the metal fittings attached to the terminal are swung around by centrifugal force. There are problems such as damaging the metal fittings. For this reason, conventional methods have been used in which the winding drum is mechanically fixed with a rubber band, rope, or the like.

(3-3) Problems that the invention attempts to solve In this method, when releasing them during reuse,
The drawback was that it required a lot of effort.

The present invention was made to solve the above-mentioned drawbacks, and its purpose is to prevent the reel device from being caught in the reel device, and to prevent the reel device from getting caught in the reel device so that it can be easily reused. An object of the present invention is to provide a stopper device for use.

(3-4) Means for Solving the Problems In order to achieve the above object, the present invention attaches a fixing ring to the upper part of the connector attached to the end of the hose to be wound on the reel device. A cylindrical hose fixture whose upper end is supported by the fixing ring and which covers the outer periphery of the fixing ring and the connector and has a brim at the lower end is provided, and is installed at the lower part of the reel device opposite to the hoses, and The present invention is characterized in that a pair of beams are attached to guide and lock the hose fixture.

(3-5) Effect When the ends of the hoses are cut off, the cylindrical hose fixing device having a brim that covers the ends of the hoses is wound together with the hoses by the winding force of the reel device. At this time, the hose fixture is guided by a pair of beams attached to the lower part of the reel device, and its collar is caught and mechanically locked. Therefore, since the rotation of the drum of the reel device is stopped, the hose end is not caught in the reel device and swung around. Further, when connecting the ends of hoses, the hoses can be easily pulled out by pulling the collar of the hose fixing part by hand.

(3-6) Embodiment Hereinafter, an embodiment of the present invention will be described in more detail using a wide-bottomed earth drill as an example, with reference to FIGS. 1 to 6.

A winch 3 is installed on a revolving body 2 rotatably mounted on a traveling body 1, and a boom 4 and a front frame 5 are rotatably attached to the front part of the revolving body 2. A sheave 6 is attached to the upper end of the boom 4, and a Kelly bar drive device 7 equipped with a hydraulic motor is installed at the upper end of the front frame 5. The wire rope 8 wound around the winch 3 and then let out is hung on the sheave 6,
It is connected to the swivel joint 9. The swivel joint 9 is connected to a Kelly bar 10, and the lower part of the Kelly bar 10 is connected to a wide-bottom bucket 12 via a stabilizer 11. An intermediate portion of the Kelly bar 10 is connected to the Kelly bar driving device 7 so as to be vertically movable, and is configured to transmit the rotational force of the Kelly bar driving device 7 to the wide-bottomed bucket 12.

A table 19 is installed at the bottom of the Kerry bar drive device 7, on which a center joint 13 that sends pressure oil from a fixed hydraulic source to a rotating actuator, and a reel device 14 that winds up a hose 15 are placed. A square hole 19a is provided to support the Kelly bar 10 in a vertically movable manner. kellyva 10
A hose guide device 16 is installed to prevent the hose 15 from spreading outward due to the centrifugal force caused by the rotation of the Kerry bar 10 and to guide the hose 15 in and out. The expanded bottom bucket 12 is equipped with an expanding wing 17 that is opened and closed by a hydraulic cylinder 18 to excavate the side surface of the excavation hole. 14, a hose 15 and a hose guide device 16 are provided. The reel device 14 is driven in a direction in which the hose 15 is always reeled in by a hydraulic motor or a spring. The kelly bar 10 is a telescopic type with a double structure, and passes through a square hole 19a in the center of the table 19. A hose guide device 16 is fixed to the lower end of the outer Kelly bar 10a, and two pairs of guide rollers 16a for guiding the hose 15 are provided. This guide roller 16a prevents the hose 15 from coming into contact with the hole wall.
It is located almost directly below the inner collar 14a' of the reel drum 14a. The stabilizer 11 is connected to the lower end of the inner Kerry bar 10b suspended by the wire rope 8. An expanded bottom bucket 12 to which a hydraulic cylinder 18 for operating the expanded wings 17 is attached is connected to the stabilizer 11. Further, as shown in FIG. 4, guide rollers 20 and 21 are attached to the table 19 to guide the hose 15 wound around the reel device 14.
The distance between guide rollers 20 and 21 is constant over the entire roller width. The hose 15 exiting the reel device 14 passes through a guide roller 20 and a guide roller 16a, and is fixed with a hose fixing fitting 15b supported by the stabilizer 11, and the hose 15 is connected to the piping of a hydraulic cylinder 18 attached to the wide-bottom bucket 12. be done. As shown in FIG. 5, a hose metal fitting 15a as a connector and a coupler 22a of a quick joint 22 are attached to the end of the hose 15. And the nipple 22 of the quick joint 22 attached to the piping side of the hydraulic cylinder 18.
connected to b. Further, a fixing ring 23 divided into two parts is fixed to the hose 15 by bolts 26 slightly above the hose fitting 15a. Then, the fixing ring 23 is covered with the fixing ring 23.
Slightly larger inner diameter and a collar 24a at the lower end
A cylindrical hose fixture 24 is attached which has a vertical groove 24b (see FIG. 6) having a width slightly larger than the outer diameter of the hose 15. This vertical groove 24b is provided to facilitate assembly.
The hose 15 can be easily attached by passing it through the vertical groove 24b and lowering it above the fixing ring 23. Here, the size of the brim 24a and the length of the cylindrical portion are both the former guide rollers 20 and 21.
The interval is set larger than the interval between Therefore, when the expanded bottom bucket 12 is removed, the hose 15 is wound up, but as shown in FIGS. 3 and 4, the hose fixture 24 is always caught between the guide rollers 20 and 21, and the reel Since the rotation of the drum 14a is stopped, the end of the hose 15 is not swung around. Further, since the cylindrical portion of the hose fixture 24 covers the coupler 22a of the quick joint joint 22, the coupler 22a is protected from being covered with mud and from being damaged.

Next, we will discuss the effect. To excavate a vertical hole using an expanded-bottom earth drill, first drill the shaft portion 100 of the excavated hole to a predetermined depth with a general-purpose bucket bucket (not shown), then replace it with the expanded-bottom bucket 12 as shown in FIG. 2, and drill the expanded bottom portion 101. do. Therefore, while working with the general-purpose bucket, the hose 15 is wound around the reel drum 14a of the reel device 14. Here, a hose fixture 24 is attached to the end of the hose 15, and the collar 24a provided thereon is larger than the interval between the guide rollers 20, 21, and the length of the cylindrical part is also longer than the interval, so it can slip through. There is no possibility that the reel drum 14a will get caught up in the reel drum 14a. Therefore, as shown in FIG.
21 in a stable condition. Furthermore, since the coupler 22a of the quick joint joint 22 is housed in the hose fixture 24, the hose 15 may be swung around by the centrifugal force of the coupler 22a due to rotation during excavation, which may damage the hose 15. do not have. Next, when changing to the wide-bottom bucket 12, the hose 15 and the hose fixing device 24 are attached to the reel device 1.
4 and connect the coupler 22a to the nipple 22b of the quick joint 22 attached to the expanded bottom bucket 12. At this time, the operator grasps the coupler 22a by hand, and in this case, the coupler 22a is covered. The hose fixture 24 that is attached to the hose 15 gets in the way, but since the hose fixture 24 has a vertical groove with a width slightly larger than the outside diameter of the hose 15, it cannot be lifted above the fixing ring 23 attached to the hose 15. It can be easily removed and does not cause any trouble to the above-mentioned work. After the connection of the quick joint 22 is completed, the hose fixture 24 is attached again. During excavation work using the wide-bottomed bucket 12, the coupler 22a of the quick joint 22 is covered by the cylindrical portion of the hose fixture 24, so that the coupler 22a is not covered with mud. Therefore, there is no problem in detaching from the nipple 22b.

When removing the wide-bottom bucket 12 again and replacing it with a general-purpose bucket, cut off the quick joint 22, remove the hose 15 from the guide roller 16a, and release your hand.The hose 15 is automatically wound around the reel drum 14a, and the table 19
The collar 24a of the hose fixture 24 is caught on the guide rollers 20 and 21 attached to the hose, and the winding is stopped. Conversely, when connecting the quick joint 22, the hose 15 can be easily pulled out by manually pulling the collar 24a of the hose fixture 24 hooked to the guide rollers 20, 21.

When winding up the hose 15, the hose fixing tool 24
It is preferable that the hose fixture 24 be made of as light a material as possible, such as nylon material, so that it will not unravel under the weight of the hose.

In this embodiment, a hydraulic hose entanglement prevention device has been described, but the same applies to a cab tire cable. Further, although a guide roller for guiding the hose is also used as a means for locking the brim of the hose fixture, it may also be constituted by a pair of beams that guide and lock the hose fixture.

(3-7) Effects of the invention As described above, according to the invention, a cylindrical hose fixing device is provided to cover the end of the hose wound on the reel device, and the hose is attached to the lower part of the reel device. Since a pair of beams that guide and lock the fixing device are installed, it is possible to reliably stop the hoses from being wound into the reel device, so damage caused by swinging the hoses can be prevented in a simple manner. Further, since the end of the hose can be stored in the cylindrical fixture, the wobbling of the end of the hose can be suppressed by the cylindrical fixture, and the hose will not be damaged. Furthermore, since there is no need to mechanically fix the rotation of the reel drum with a rubber band or the like, the time required to attach and detach the hose can be reduced when changing from a general-purpose bucket to an expanded-bottom bucket.

[Brief explanation of the drawing]

1 to 6 show an embodiment of the present invention, and FIG. 1 is a partially enlarged view of FIG. Figure 2 is an overall side view of the expanded-bottom earth drill, Figure 3 is a front view taken along the - line in Figure 1 when winding the hose, Figure 4 is a plan view taken along the - line in Figure 3, and Figure 5 is a side view of the expanded bottom earth drill. FIG. 4 is an enlarged cross-sectional view taken along the - line in FIG. 4, and FIG. 6 is a perspective view showing a cylindrical hose fixture.

Claims (1)

[Claims for Utility Model Registration] (1) A fixing ring is attached to the upper part of the connecting device attached to the end of the holes to be wound on the reel device, and the upper end is supported by the fixing ring, and the fixing ring and the connection In addition to providing a cylindrical hose fixture that covers the outer periphery of the tool and has a brim at the lower end,
A stopper device for preventing entanglement of a reel device, characterized in that a pair of beams are attached to the lower part of the reel device, the beams being arranged opposite to the hoses and guiding and locking the hose fixing device. (2) Utility model registration claim No. (1) characterized in that the pair of beams are constituted by guide rollers that guide hoses that are wound into a reel device.
A stopper device for preventing entanglement of the reel device described in . (3) The winding of the reel device according to claim (1) of the utility model registration, characterized in that the hose fixing device is formed with a vertical groove having a width larger than the outer diameter of the hose. Prevention stopper device.