JP2022146835A - Pulling handle for conveyance type pipe rack - Google Patents

Abstract

To provide a pulling handle for a conveyance type pipe rack capable of preventing injury caused by contact between a worker and a lower part of the conveyance type pipe rack during pulling work without adversely impacting on the function of the pipe rack or on work.SOLUTION: A pulling handle for a conveyance type pipe rack comprises: a pulling socket that can be horizontally attached to a pulling-side post pipe of the conveyance type pipe rack via a mounting device; and a pulling handle body composed of an interval-holding pulling bar with a predetermined length, one end of which has a connection plug that is detachably attached to the pulling socket and the other end of which has a grip portion. To pull the rack, the connection plug is engaged with the pulling socket, thereby setting the interval-holding pulling bar to extend horizontally forward in a pulling direction, as well as, the grip portion to keep a distance required with respect to a pulling-side front side of the conveyance type pipe rack. To finish pulling, the connection plug is disengaged and pulled off from the pulling socket, thereby detaching the pulling handle body from the conveyance type pipe rack.SELECTED DRAWING: Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tow handle for a transportable pipe rack, which is mainly configured by combining pipes, joints and casters.

Conventionally, transportable pipe racks of this type are widely used in all industries because they can be easily formed into various shapes according to the purpose of use. In particular, at production sites, it has become indispensable as a transportation means for carrying parts or semi-finished products in the middle of assembly to the next process.
In addition, transportable pipe racks can be stacked with a forklift, so they are used to store many items in a small space. The racks are also transported by forklifts, but more frequently people (workers) directly tow them and transport them to the next process or to an adjacent factory (sometimes several hundred meters away). is much higher.

By the way, in the above-described conventional transportable pipe rack, there is no special member or handle for pulling the rack. Therefore, as shown in FIG. 13, most workers directly hold the support 11 at the corner of the transportable pipe rack 10 and pull it. However, when the towing work is performed by directly holding the column 11 at the corner of the rack, the transportable pipe rack 10 and the operator's body are always in close proximity. In other words, since a certain safe distance is not always maintained between the transportable pipe rack 10 and the worker's body, the lower part of the transportable pipe rack 10 can be easily dropped by the worker's ankle or the worker's body with a slight operation error. There is a problem that the heel or the side of the shoe may be touched, resulting in an accident such as a laceration or a bruise, and the wheel of the caster 13 may run over the foot.
To deal with this problem, workers usually wear safety shoes with an iron core, but since the part that comes into contact with the lower part of the rack is other than the toe, which has an iron core, when it comes into contact, it causes considerable pain. will be accompanied by In order to reduce or prevent this pain, rules were created, such as making it mandatory to wear high-cut safety shoes and wearing heel protectors, or prohibiting the towing of racks. However, due to the characteristics of the transportable pipe rack 10, it is extremely difficult to push it from behind and move it as desired. .
As described above, the above problems have been far from being solved fundamentally for many years. As a result, the current situation is that it is left to the attention of the individual worker, and the worker is forced to take a large risk and burden.

Accordingly, the present invention was invented to solve the above-described drawbacks of the conventional art. We devised a towing handle for a transportable pipe rack equipped with a tow bar, and made it possible to detachably attach this towing handle to the transportable pipe rack. It can fully demonstrate the function of preventing injuries due to contact with pipe racks, yet does not adversely affect the original functions of pipe racks such as ease of handling and storage space. To provide a traction handle for a transportable pipe rack which can be easily and quickly attached and detached, has a simple structure, and can suppress the cost for extension at a low cost.

The invention according to claim 1 of the present application is a transportable pipe rack traction handle for use in a transportable pipe rack configured by combining pipes, joints, and casters, the transportable pipe rack comprising a traction side strut pipe or a A tow socket that is horizontally attached to a crossbar pipe via a fixture, and has a connecting plug that is detachably attached to the tow socket at one end and a grip at the other end for maintaining a distance of a predetermined length. When towing the transportable pipe rack, the connection plug of the towing handle body is inserted into the towing socket and engaged, so that the towing bar for maintaining the spacing is horizontal forward in the direction of towing. and the grip portion is set to keep a desired distance from the front surface of the towing side of the transportable pipe rack. is detachable from the transportable pipe rack.

According to the invention of claim 2 of the present application, the traction socket according to the invention of claim 1 of the present application has a round pipe portion and an insertion opening formed at one end of the round pipe portion, and further extends in the length direction of the round pipe portion. A connecting shaft extending radially through the intermediate portion is supported through the intermediate portion, while the connecting plug is formed of a round pipe that can be inserted into the round pipe portion from the insertion opening of the traction socket. A split groove portion extending from the center of the tip end surface toward the middle portion in the longitudinal direction of the tip of the pipe and allowing insertion of the connecting shaft, and a split groove portion extending in the inner portion of the split groove portion and continuing to the inner portion and extending in one circumferential direction. and a pair of circumferential engaging grooves that extend point-symmetrically toward each other and allow insertion of the connecting shaft. By inserting the connecting shaft into the portion and rotating the connecting plug in one direction to insert and engage the connecting shaft in the inner part of both engaging circumferential grooves, the two are connected and the connecting plug is removed from the traction socket. Sometimes, the connection plug is rotated in the other direction with respect to the traction socket to move the connecting shaft from the deep part of the both engaging circumferential grooves to the deep part of the split groove, and the connection plug is pulled out from the traction socket to separate the two. It is characterized in that it is configured to

According to the transportable pipe rack towing handle according to claim 1 of the present application, as described above, the distance maintaining handle having a predetermined length that can maintain a constant distance that does not contact the transportable pipe rack and the body of the worker. A towing handle for a transportable pipe rack equipped with a tow bar is used, and this towing handle can be detachably attached to the transportable pipe rack. It can fully demonstrate the function of preventing injury due to contact with the pipe rack, yet does not adversely affect the functions such as the original pipe rack's ease of handling and storage space. can be attached and detached simply, easily, and quickly, and furthermore, the structure is simple, and the cost for expansion can be kept low.

According to the construction of the tow handle for a transportable pipe rack as set forth in claim 2 of the present application, the unique connection structure that enables quick connection and disconnection between the tow socket and the connection plug provides the effect as set forth in claim 1. In addition, the attachment and detachment of the traction handle body can be performed simply, easily and quickly. In other words, when attaching the connection plug (the main body of the traction handle) to the tow socket, insert the connection plug into the tow socket previously attached to the pipe rack through the split groove of the connection plug, insert the connecting bolt into the back of the split groove, and By rotating the connection plug clockwise by 90 degrees, for example, and locking the connecting shaft in the inner part of the engaging circumferential groove, both can be connected simply, easily, and quickly. When removing the connection plug (traction handle body) from the tow socket, rotate the connection plug counterclockwise with respect to the tow socket to move the connecting shaft from the deep part of the circumferential groove for both engagements to the deep part of the split groove. The towing handle body can be easily, easily and quickly removed from the towing socket by pulling out the connecting plug from the towing socket.

1 is a front view of a towing handle according to the invention; FIG. 2 is a side view of FIG. 1; FIG. Fig. 2 is a partially cutaway front view of a traction socket; It is a side view of the same socket. It is a front view of a connection plug. It is a top view of the same plug. It is a side view of the same plug. Fig. 10 is a perspective view showing the attachment state of the traction socket to the pipe rack; FIG. 4 is a perspective view showing a state where the handle body is started to be attached to the pipe rack. FIG. 4 is a perspective view showing a state in which the handle body is attached to the pipe rack; FIG. 4 is a partially omitted perspective view showing another embodiment of a grip portion in a handle body; FIG. 4 is an explanatory diagram showing the positional relationship between a transportable pipe rack with a tow handle attached and a worker; FIG. 10 is an explanatory diagram of a conventional example;

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a traction handle for a transportable pipe rack according to the present invention will be described below with reference to the drawings.

1 and 2 show a towing handle 1 for a transportable pipe rack according to the present invention. The towing handle 1 is attached to a towing front side strut pipe 11 or a lateral beam pipe 12 of a transportable pipe rack 10 via a fixture 2. It consists of a traction socket 3 mounted horizontally on the tow socket 3 and a distance holding traction bar 6 having a predetermined length having a connection plug 4 detachably attached to the traction socket 3 at one end and a grip portion 5 at the other end. and a towing handle body 7.

As shown in FIGS. 3 and 4, the traction socket 3 is shorter than the spacing retention traction bar 6, and has a round pipe portion 31 and an insertion opening 32 fitted to one end of the round pipe portion 31. At the same time, a connecting bolt (connecting shaft) 33 extending radially inside the round pipe portion 31 is supported by being screwed into the intermediate portion in the longitudinal direction thereof. In the embodiment, the round pipe portion 31 and the insertion port portion 32 are formed by separate members, but they may be formed by integral molding.

As shown in FIGS. 1, 2 and 8, the fixture 2 includes a pair of half-split members 21 and 22 having two intersecting semi-circular pipe receiving portions, and these half-split members 21 , 22 are abutted against each other to form a pair of cylinders, and a fixing bolt 23 is used to fasten them together. At the time of mounting, the pair of halves 21 and 22 are butted together so as to hold the intersecting strut pipe 11 and the traction socket 3 at the same time. . At this time, as shown in FIGS. 8 and 9, the traction socket 3 is attached horizontally to the strut 11 so that the insertion opening 32 faces the forward force side in the direction of traction.

The cross metal joint is an existing one, and its specific structure and detailed effects are omitted. Moreover, the fixture 2 is not limited to the cross metal joint for fastening two pipes at the same time as described above. A fixture 2 having an appropriate mounting means that can be fastened to 12 is previously fixed integrally or integrally, and the traction socket 3 and the mounting portion 2 are mounted to the strut 11 or the cross beam 12 by the above-mentioned mounting means during use. It goes without saying that As the fixture 2, a fixture corresponding to the pipe diameter size of the support column 11 or cross beam 12 to be attached is selected and used. A device having an adjustment function may be used so that it can be adjusted and attached to the pillars 11 and cross beams 12 of pipes having slightly different diameters.

The connection plug 4 is formed of a member different from the tension holding bar 6 made of a pipe material, and its base end is inserted into the tip of the tension bar 6 and fixed by a fixing means such as a bolt 61 or welding. there is 5 to 7, it is formed of a round pipe 41 that can be inserted into the round pipe portion 31 from the insertion port 32 of the tow socket 3, and the tip of the round pipe 41 is provided from the center of its tip surface. Split groove portions 42, 42 extending toward the longitudinally intermediate portion and allowing insertion of the connecting bolt 33, and the inner portions of the split groove portions 42, 42 continuing to the inner portions and extending in one circumferential direction, respectively. It is provided with a pair of engaging circumferential grooves 43, 43 extending point-symmetrically and allowing insertion of the connecting bolt 33. As shown in FIG. When connecting and fixing the connection plug 4 to the tip of the traction bar 6 with the bolt 61 , for example, a plurality of insertion holes are formed in the traction bar 6 or the connection plug 4 so that the connection plug 4 extends from the tip of the traction bar 6 . The amount of protrusion of the towing handle body 7 can be selected, and the length of the entire tow handle main body 7 that maintains the interval may be appropriately adjusted according to the size of the operator who uses it.

Further, in the embodiment shown in the drawings, a simple T-shaped grip portion 5 is formed by connecting a pipe material to the rear end portion of the traction bar 6 with a metal joint 51 in a cross shape. The grip portion 5 may be formed by connecting a separate grip pipe material to the traction bar 6. Alternatively, the traction bar 6 and the grip portion 5 may be integrally formed. It goes without saying that the shape is not limited to the T-shape, and may be, for example, a frame-shaped grip portion 5 as shown in FIG.

Next, the operation of the transportable pipe rack towing handle configured as described above will be described.

As shown in FIG. 8, first, the tow socket 3 is attached to the support pipe 11 positioned in the center on the towing front side of the transportable pipe rack 10, and the tow socket 3 is inserted through the fixture 2 so as to extend horizontally through the insertion opening 32. As shown in FIG. should face forward in the towing direction. At this time, since the traction socket 3 is short, it does not protrude greatly inside and outside the pipe rack 10, and can be attached to the support pipe 11 in a compact manner. As a result, even when the tow socket 3 is attached, the functions inherent in the pipe rack 10, such as ease of handling and storage space, are hardly adversely affected.

Next, when towing and transporting the transportable pipe rack 10 loaded with heavy objects such as cargo and parts to a desired position, first, as shown in FIG. The connecting plug 4 is inserted, and the connecting bolt 33 is inserted into the deep part of the split grooves 42, 42. - 特許庁Next, the connection plug 4 is rotated clockwise by 90 degrees in the inserted state, and the connecting bolt 33 is inserted into and engaged with the deep portion of the pair of circumferential engagement grooves 43 , 43 . As a result, the towing handle body 7 can be connected to the towing socket 3 simply, easily and quickly as shown in FIG. As a result, the towing handle body 7 with the spacing towing bar 6 extends horizontally forward in the towing direction, and the grip portion 5 faces the tow side front surface of the transportable pipe rack 10 as shown in FIG. Set to keep your distance. As a result, when the worker grasps the grip portion 5 and pulls the transportable pipe rack 10 to transport it, the worker's body is always positioned within the range indicated by the dotted line in FIG. You will be able to tow. As a result, the distance between the worker's body and the lower portion of the transportable pipe rack 10 can be naturally maintained during the towing work, thereby avoiding contact between the worker's body and the lower portion of the transportable pipe rack 10, thereby avoiding contact between the worker's body and the lower portion of the transportable pipe rack 10. The occurrence of such injuries can be reliably prevented.

When removing the towing handle body 7 from the towing socket 3 after transporting the transportable pipe rack 10 to a predetermined position, the towing handle body 7, that is, the connection plug 4, is turned counterclockwise by 90 degrees with respect to the towing socket 3. The connecting bolt 33 is rotated to move from the back of the pair of engaging circumferential grooves 43, 43 to the back of the split grooves 42, 42, and the connection plug 4 is pulled out from the traction socket 3, whereby the traction socket 3 and the traction socket are connected. The handle body 7 can be easily and quickly separated.
At that time, although the traction socket 3 is left in the transportable pipe rack 10, since the traction socket 3 is short as described above, it does not protrude greatly inside and outside the pipe rack 10, and the pipe rack is 10 It can be used as a rack without adversely affecting the original functions such as ease of handling and storage space.

As described above, according to the pipe rack towing handle 1 of the present invention, the spacing holding towing bar 6 having a predetermined length that can maintain a constant distance between the transportable pipe rack 10 and the worker's body without contact is provided. The towing handle 7 dedicated to the transportable pipe rack is used, and the towing handle 7 can be detachably attached to the transportable pipe rack 10, so that the operator's body and the transportable pipe rack 10 are not affected during the towing work. A transportable pipe rack of any shape that can fully demonstrate the function of preventing injury due to contact with the lower part, yet does not adversely affect the functions such as easy handling and storage space inherent in the pipe rack. In addition, the structure is simple and the cost for expansion can be kept low.

In the above-described embodiment, the traction socket 3 is attached in advance to the support pipe 11 positioned in the central portion on the front side of the transportable pipe rack 10 for traction. However, the present invention is not limited to this position. For example, the traction sockets 3 may be attached to the corner strut pipes 11 located on both end sides of the transportable pipe rack 10 on the traction front side of the transportable pipe rack 10. Further, although not shown, the traction sockets 3 may be attached to the transportable pipe rack 10 on the traction front face. The traction socket 3 may be attached at an appropriate position on the lateral beam 12. - 特許庁

1 tow handle 2 fixture 2
3 Tow socket 4 Connection plug 5 Grip part 6 Spacing tow bar 7 Pull handle body 10 Transportable pipe rack 11 Towing front support pipe 12 Horizontal bar pipe 31 Round pipe part 32 Insertion opening 33 Connecting bolt 41 Round pipe 42 Split groove portion 43 Peripheral groove portion for engagement

Claims (2)

A transportable pipe rack traction handle for use in a transportable pipe rack composed of a combination of pipes, joints and casters, wherein the transportable pipe rack is horizontally attached to the traction-side strut pipe or cross beam pipe via a fixture. and a towing handle body consisting of a tow bar of a predetermined length having a connection plug detachably attached to the tow socket at one end and a grip portion at the other end. When the transportable pipe rack is towed, the connection plug of the towing handle body is inserted into the towing socket and engaged so that the spacing holding towbar extends horizontally forward in the towing direction and the grip portion is held by the transportable pipe. While being set to maintain the required distance to the front of the towing side of the rack, at the end of towing, the towing handle body can be removed from the transportable pipe rack by disengaging and pulling out the connection plug from the towing socket. A towing handle for a transportable pipe rack, comprising: A traction socket has a round pipe portion and an insertion opening formed at one end of the round pipe portion, and supports a coupling shaft extending radially in the interior of the round pipe portion in a longitudinally intermediate portion so as to pass therethrough. On the other hand, the connection plug is formed of a round pipe that can be inserted into the round pipe portion through the insertion opening of the tow socket, and extends from the center of the tip surface toward the middle portion in the longitudinal direction at the tip of the round pipe. A split groove portion for allowing insertion of the connecting shaft, and a pair of engagement grooves continuing to the inner portion of the split groove portion and extending point-symmetrically in one circumferential direction and allowing the insertion of the connecting shaft. When the connection plug is attached to the traction socket, the connection plug is inserted into the traction socket, the connecting shaft is inserted into the deep part of the split groove, and the connection plug is rotated in one direction. Both are connected by inserting and engaging the connecting shaft into the deep part of the both engagement circumferential grooves, and when removing the connection plug from the traction socket, the connection plug is rotated in the other direction with respect to the traction socket to remove the connection shaft. 2. The transportable pipe rack according to claim 1, wherein both engaging circumferential grooves are moved from the deep part to the split groove deep part, and the connection plug is pulled out from the traction socket so as to be separated from each other. tow handle for.

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