JPH06189422A - Feed screw-type rigid body section automatic passing wire extending vehicle - Google Patents

Abstract

(57) [Abstract] [Purpose] To reduce the size and weight of a rigid body automatic passage type rolling stock. [Structure] In a rigid body automatic passage type extended vehicle having a structure in which a plurality of passage support tools 2 for supporting a rigid body portion are attached to and detached from a shoe chain drum by back and forth movement of corresponding detachable hands 3, respectively. A feed screw mechanism including a male screw member 10 and a female screw member 11 is used for the forward / backward movement unit 7,
Each of these feed screw mechanisms is commonly driven by one endless traveling body 14, and the selection of the detachable hand to be moved back and forth is provided between the male screw member and the driving force transmission portion 13. ON / OFF control of the clutch 12 is performed. As a result of adopting such a structure, it is possible to realize overall size reduction and weight reduction as compared with the conventional wire drawing vehicle that uses a hydraulic actuator.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire drawing vehicle capable of automatically passing through a tow clamp attached to an electric wire to be drawn and a rigid body portion such as a protector used as a protective cover thereof.

[0002]

2. Description of the Related Art As a conventional rigid body automatic passage type drawing vehicle, for example, JP-A-4-91605 and JP-A-4-916.
No. 06 etc. are known. These rigid body automatic passage type extension vehicles are capable of passing the rigid body portion while supporting the rigid body portion by means of a passage support attached to the shoe chain. There is. As a result, although the wire drawing work can be greatly streamlined, there is a problem that the wire drawing vehicle becomes considerably heavier and larger than the conventional one.

For example, as shown in FIGS. 5 and 6, the rigid body automatic passage type extended wheel vehicle disclosed in Japanese Patent Laid-Open No. 4-91606 is provided with an attaching / detaching device 50. The supporting members 51c and 51w are automatically attached to the shoe chain 53 of the shoe chain drum 52 in a predetermined relationship, and the rigid portion is supported by the pair of passing supporting members 51c and 51w attached to the shoe chain 53. It is designed to allow the passage of.

The attachment / detachment device 50 has four attachment / detachment hands (attachment / detachment means) 54 (54a, 54) corresponding to the provision of two to four passage supporters 51c, 51w, 51c, 51w.
b, 54c, 54d). Each detachable hand 54 is directly equipped with a hydraulic cylinder 54p, and each hydraulic cylinder 54p is configured to independently perform a back-and-forth movement as indicated by arrow Y. The individual pieces can be integrally moved by a slide mechanism 56 such as a feed screw as shown by an arrow X. That is, the removable hand 50
Normally, the positioning is performed with the reference position S as the end, but when performing the attachment / detachment work, the X position is used to selectively position the mounting position A and the removal position B, and the Y motion is used to position each position. In A and B, while advancing and retreating with respect to the shoe chain drum 52, the passage support tools 51 held by the shoe chain drum 52 are attached to and detached from the shoe chain 53.

As described above, the rigid body automatic passage type rolling stock is
Since a passage support and an attachment / detachment device for attaching / detaching it are added, it is unavoidable that the weight will increase and the size will increase to some extent as compared with the conventional wire drawing vehicle, but the extent of increase in size is a problem. Becomes In this regard, in the above-mentioned rigid body automatic passage type extended vehicle, the detachable hand is directly moved back and forth by the hydraulic cylinder, but this is largely related to the increase in weight and the increase in size. There is. That is, although the hydraulic cylinder is highly suitable as a drive source for the back-and-forth movement of the detachable hand due to its characteristics, it requires various accessory parts,
In addition, since a large number of highly rigid hoses are required for the hydraulic oil piping system and the space for the hydraulic actuator is added to the space for the stroke of the forward / backward movement, it is necessary to increase the weight and size. Has become.

Further, in the above-mentioned rigid body automatic passage type extension vehicle, the fact that the pair of passage supporters have different shapes is also one factor for increasing the weight. That is, by making the pair of passage supports have different shapes, it is possible to further reduce the radius of gyration of the shoe chain drum in the state where the passage supports are mounted. If the shapes are different, even if only one protector passes, the combination of the orientations of the pair of passage supports will differ depending on the orientation of this protector, so be sure to equip two pairs. It becomes necessary to increase the weight.

[0007]

SUMMARY OF THE INVENTION The present invention has been made against such a background, and an object of the present invention is to reduce the size and weight of a rigid body automatic passage type wire drawing vehicle.

[0008]

To achieve the above object, in the present invention, in order to pass a continuous linear body to which an electric wire is connected via rigid bodies at both ends thereof, the rigid body, Along with at least one pair of passage support tools for supporting the rigid body, which are paired for the wire side and for the wire side,
Each passing support is equipped with a detachable hand for automatically attaching and detaching these passing supports to the shoe chain, and each detachable hand holding the passing support is positioned at a predetermined position. In this state, the passing support is attached to and removed from the shoe chain while moving forward and backward with respect to the shoe chain drum, while supporting it with the passing support attached to the shoe chain. In a rigid body automatic passage type extension vehicle for passing a rigid body portion, a feed composed of a male screw member that is rotationally driven and a female screw member that is screwed onto the male screw member and that moves back and forth as the male screw member rotates. A front-rear moving unit using a screw mechanism is provided for each detachable hand, and one endless traveling body is commonly passed over the driving force transmitting portion provided for each male screw member of each front-rear moving unit. A clutch is provided between the male screw member and the driving force transmitting portion, and the clutch is actuated by the endless traveling body so that the driving force is commonly transmitted to the driving force transmitting portion of each male screw member. By selectively operating, only the target male screw member is rotated to move the corresponding removable hand back and forth.

Further, in the present invention, the passage supporters having the same shape are used as a pair.

[0010]

As described above, since the feed screw mechanism is used for the forward / backward movement unit of each detachable hand and each feed screw mechanism is commonly driven by one endless traveling body, there are few accessories. In addition, the hose with high rigidity, which is required in the case of a hydraulically actuated element, is not necessary, and the space added to the stroke of the back and forth movement is small. Weight reduction can be realized. Further, by using the feed screw mechanism, the feed accuracy of the back-and-forth movement of the attachment / detachment hand is improved, and the reliability of the attachment / detachment operation of the passing support is also improved.

By making the pair of passing supports have the same shape, and assuming that the pair of passing supports is used only when there is only one passing protector, even if only one pair of passing supports is used, the direction of the protector changes. Since it is possible to cope with this, it is possible to equip only one pair of passage support devices, and it is possible to significantly reduce the weight.

[0012]

EXAMPLES Examples of the present invention will be described below. In the following description, the parts common to the above-described conventional wire drawing vehicle are not shown and described, and the attachment / detachment device and the passage support, which are the main parts of the present invention, are mainly described. .

As shown in FIGS. 1 and 2, the attachment / detachment device 1 is provided with two to four passage support tools 2 (2c, 2w), and the attachment / detachment hand 3 is attached to each passage support tool 2 respectively. I have it. Here, the reason why the pair of passing support members 2 is two is that the two protectors simultaneously pass through the shoe chain drum in relation to the length of the split wire interposed between the electric wires connected in series. This is to deal with the situation.

As shown in FIG. 3, each attachment / detachment hand 3 has a pair of holding plates which are opened and closed by facing each other as indicated by an arrow Z by an opening / closing drive means 4 having a feed screw structure provided at the base end. 5, a holding portion 6 for holding the passage support tool 2 is formed at the tip of the holding plate 5.

Further, each detachable hand 3 is provided with a forward / backward moving unit 7 corresponding thereto, and the forward / backward moving unit 7 can independently perform a movement as shown by an arrow Y, and four Attaching / detaching hand 3 moves left / right unit 8
Thus, the movement as shown by the arrow X (FIG. 2) can be integrally performed.

The forward / backward moving unit 7 is composed of a male screw member 10 which is rotationally driven, and a female screw member 11 which is screwed into the male screw member 10 and moves back and forth as the male screw member 10 rotates. Is used, and the detachable hand 3 connected to the female screw member 11 moves back and forth together with the female screw member 11.

An electromagnetic clutch 12 is attached to the base end portion of each male screw member 10, and a pulley 13 is provided as a driving force transmitting portion corresponding to the electromagnetic clutch 12. Then, the pulley 13 of each male screw member 10
In the state shown in FIG. 2, one double-sided type timing belt 14 is commonly stretched over the electric motor 1.
The driving force of No. 5 is commonly transmitted to each pulley 13, and the rotational force of any one of the pulleys 13 is selectively transmitted to the corresponding male screw member 10 according to ONO and OFF operation of the electromagnetic clutch 12. It has become. In the figure, 16 is a rail member for guiding the back and forth movement of the detachable hand 3, 17 is a tensioner, and 18 is an idler.

An electromagnetic brake 19 is attached to the tip of the male screw member 10, and the male screw member 10 is operated by operating the electromagnetic brake 19 in correspondence with ON / OFF operation of the electromagnetic clutch 12. The rotation driving stop operation can be performed more accurately.

The left / right moving unit 8 includes four detachable hands 3
A moving plate 20, which is attached in a predetermined arrangement, a left and right moving means 21, a pair of guide bodies 22 provided with the left and right moving means 21 sandwiched therebetween, and a base plate 23 for fixing these in a predetermined arrangement. .

A feed screw mechanism is used for the left-right movement means 21 as in the front-back movement unit 7, and the base plate 2 is used.
The moving plate 20 is attached to the lower surface of the female screw member 25 in accordance with the rotational driving of the male screw member 24 fixed to 3.
It is supposed to do X movement with.

Each guide member 22 includes a guide receiving member 26 attached to the lower surface of the moving plate 20 and the base plate 2.
The rail member 27 is fixed to the guide plate 3, and the guide receiving member 26 receives the sliding guide by the rail member 27 when the moving plate 20 moves in the X direction.

The attaching / detaching hand 3 capable of performing the X movement and the Y movement as described above is normally positioned with the reference position S shown in FIG. 5 as an end, but when performing the attaching / detaching work, The X-movement selectively positions the mounting position A and the removal position B, and the Y-movement advances and retracts with respect to the shoe chain drum 52 at each of the positions A and B, while passing the support 2 (2c, 2c).
Perform the attaching / detaching operation of w).

Here, the mounting position A is a portion where the passing support 2 is mounted on the shoe chain 53, and corresponds to the wire-entry side of the shoe chain drum 52. Specifically, in FIG. The second roll from the bottom corresponds to that. Further, the removal position B is a portion where the passage support tool 2 is removed from the shoe chain 53, and corresponds to the wire outlet side of the shoe chain drum 52. Specifically, the second winding from the upper end in FIG. Applicable

As shown in FIG. 4, the pair of passage support members 2c and 2w have the same shape and are mounted on the shoe chain 53 only by changing their directions. Incidentally, this figure shows a case where the protector P on the tip side of the electric wire C is supported, and the shoe chain drum 52
The electric wire C is on the inlet side (left side in the figure) of the and the split wire W is on the outlet side (right side in the figure).

The above-described embodiment is an example in which the specifications are applicable even when two protectors pass through the shoe chain drum at the same time. Therefore, two pairs of pass-through support tools and corresponding pairs are provided. The structure is equipped with 4 attachment / detachment hands and a mechanism attached to it, but if the specifications are such that only one pass protector is required, the weight of the entire pass can be reduced by using a pair of pass supports. Try to

[0026]

As described above, according to the present invention, the feed screw mechanism is used in the forward / backward movement unit of each detachable hand,
Since each of these feed screw mechanisms is commonly driven by one endless traveling body, it is possible to reduce the size and weight of the rigid body automatic passage type drawing vehicle. Further, since the pair of supporting members for passage have the same shape, the protector passing therethrough is only one.
It is possible to further reduce the weight when it is dedicated to the condition of only one piece.

[Brief description of drawings]

FIG. 1 is a side view of an attachment / detachment device for a rigid body automatic passage type drawing vehicle according to the present invention.

FIG. 2 is a simplified side view of the drive transmission unit as viewed in the direction of the arrow I in FIG.

FIG. 3 is a plan view of a detachable hand.

FIG. 4 is a side view showing a state in which the passing support is attached to the shoe chain drum.

FIG. 5 is a plan view of a conventional rigid body automatic passage type wire drawing vehicle.

6 is a side view as seen from the direction of arrow V in FIG.

[Explanation of symbols]

 2 Passing tool 3 Passing / detaching hand 7 Back-and-forth movement unit 10 Male screw member 11 Female screw member 12 Electromagnetic clutch 13 Pulley (driving force transmission part) 14 Timing belt (endless traveling body) 52 Shoe chain drum 53 Shoe chain A Mounting position B Removal position S Reference position P Protector (rigid part)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoichi Motoyama 3-27-12 Horikiri Katsushika-ku, Tokyo Yasuda Manufacturing Co., Ltd. (72) Nobuyuki Kawakami 3-27-12 Horikiri, Katsushika-ku, Tokyo Stocks Company Yasuda Manufacturing Co., Ltd.

Claims (2)

[Claims] 1. A support tool for passage which forms a pair for the electric wire side and for the wire side in order to pass the continuous linear body to which the wire is connected to the electric wire through the rigid body parts at both ends thereof so as to pass through the rigid body part. At least one pair for supporting the rigid body portion is provided, and detaching hands for automatically attaching and detaching these passing support tools to and from the shoe chain are provided for each passing support tool, and the passing support tools are held. While each detachable hand is positioned at a predetermined position, it moves forward and backward with respect to the shoe chain drum while attaching and detaching the passing support to and from the shoe chain. In a rigid body automatic passage type extended wheel vehicle that allows a rigid body portion to pass while being supported by a fixed passage support tool, a male screw member that is rotationally driven and a male screw member that is screwed to the male screw member. A front-rear moving unit using a feed screw mechanism composed of a female screw member that moves back and forth with the rotation of the member is provided for each detachable hand, and a driving force transmission unit provided for each male screw member of each front-rear moving unit. While one endless traveling body is laid over in common, a clutch is provided between the male screw member and the driving force transmitting portion, and the endless traveling body drives the driving force transmitting portion of each male screw member in common. In a state where the force is transmitted, by selectively operating the clutch, only the desired male screw member is rotated to move the corresponding removable hand back and forth. Rigid body automatic passage type extended car. 2. The rigid body automatic passage type extension vehicle according to claim 1, wherein the pair of passage supporters have the same shape.