JP4342255B2 - Hoisting and pulling device - Google Patents

Description

  The present invention relates to a hoisting and pulling device, and more particularly, to a hoisting and pulling device provided with engaging means such as a rope body and a hook on the upper portion of the hoisting and pulling device main body.

Conventionally, a load sheave rotatably supported by the main body frame of the hoisting and pulling device and a manual operation means for driving the load sheave are hung around the load sheave, and a chain having a hook at one end is wound up and lowered. In the hoisting and pulling device, one having one end attached to the main body frame on the upper portion of the hoisting and pulling device and the other end provided with a striated member having an engaging means is known. (For example, refer to Patent Document 1) The hoisting and pulling device described in Patent Document 1 is a rope body in which upper hooks 9 serving as engaging means are fixed to upper ends of covers 1 and 2 corresponding to a main body frame. A band 9 ′ is provided, and the band can be strongly tightened by attaching the upper rod 9 to the locking object, fixing the lower rod 10 and rotating the lever 12. Moreover, it has the effect | action which can raise / lower a load by attaching the upper cover 9 to a latching body, and hanging a load on the lower cover 10.
Japanese Utility Model Publication No. 43-25242 (Section 1, FIG. 1)

  However, in the conventional hoisting and pulling device, the upper hook 9 fixed to the chain 9 'that is the rope is hung on the locking object, the load is hung on the lower hook 10, and the lever 12 is rotated to hang the load. In this case, since the entire weight of the load is added to the chain 9 ′, when the load is a heavy metal object, a large hoisting and pulling device having a chain having a strength capable of withstanding the load of the load is required. When the weight of the device increases, the transportation of the device is hindered, and the hoisting and pulling device is hooked on the locking object, the load can be lifted only in the vertical direction, and the upper bag 9 When the locking object to be hung is thick and the upper hook 9 does not catch on the locking object, the chain 9 'is hung on the locking object and the upper hook 9 is locked (choke suspended) to the chain 9'. However, there was a problem that the chain strength was lowered.

In order to solve the above-described problems, a hoisting and pulling device according to the present invention includes a load sheave rotatably supported by a main body frame, manual operation means for driving the load sheave, and a load sheave wound around the load sheave. In a hoisting and pulling device that includes a chain with a hook, winds up and down the chain,
The main body frame has a mounting bracket swingably attached to the main body frame, and the mounting bracket has a mounting portion for mounting a link chain having an upper hook which is an engaging means, and the mounting bracket. It has an engagement hole which is provided on the side surface of the attachment and detachably engages the engagement means. According to the present invention, the main body frame is provided with a cable body having an engaging means such as a hook suspended at the end, and an engaging part for detachably engaging the cable body. Therefore, when there is a small locking object on the anchoring side of the rope body, the hook is engaged with the locking object, and when the hook is a thick locking object that cannot engage the hook, the rope body is locked. The hoisting and pulling device can be engaged regardless of the size of the engagement object by engaging and fixing the hook to the engaging portion provided on the main body frame. By combining the two upper devices, it is possible to lift and lower the load in any direction between the two locking objects, and when lifting and lowering heavy loads, wrap the rope body around the locking part By engaging and fixing the engaging means to the engaging portion of the main body frame, the load applied to the cable body is halved, so that The device makes it possible to lift heavy objects.

Further, since attaching the rope member to the body frame via the attachment fitting to the body and pivotably mounted, in the case of hanging one, wound rope body pillars and beams, trees, etc. In the case of two suspensions where the engaging means is engaged with the main body engaging portion, the mounting bracket swings so that an excessive bending force does not move on the apparatus main body, and the direction of the link chain entering and exiting the main body also changes. Since there is no change and no excessive force is applied, the hoisting and lowering operation can be performed smoothly.

Further, in easy single configuration, One or may provide the traction device suitable winding portability.

Also, depending on the thickness of the locking product suspending this body, it is possible to adjust the length of the rope body wound around the locking thereof, and also, even when the hanging one, wound The distance between the upper machine and the hook can be adjusted.

  According to the hoisting and pulling device of the present invention, the main body frame suspends the hoisting and pulling device, and the cord body having an engaging means such as a hook at the end, and the cord body are detachably engaged. Since the engagement portion is provided, when the engagement side of the cable body is a thin engagement object, the hook is engaged with the engagement object, and when the hook is a thick engagement object that cannot be engaged, By winding the strip around the locking object and engaging and fixing the hook to the engaging part, the hoisting and pulling device can be engaged with the engaging object regardless of the size of the engaging part, and By combining the two hoisting devices, it is possible to wind up and tow the load in an arbitrary position at an intermediate position between the two locking objects. The load applied to the cable body is halved by wrapping around the locking object and fixing the engaging means to the frame engaging portion provided in the main body. Doing, the widget, it is possible to winding towing of heavy. In addition, the hoisting device of the present invention can perform hoisting and pulling work according to various situations, is excellent in portability, and cannot be moved manually by an emergency emergency site. It is suitable for use in retirement, movement, rescue work, etc.

  In addition, since the rope body is attached to the main body frame via a mounting bracket that is swingably attached to the main body, the rope body is suspended by a single piece or directly wrapped around a pillar, beam, tree, etc. Even if the attachment means is engaged with the attachment part of the main body, the mounting bracket swings, so that excessive bending force does not move on the main body, and the direction of entering and exiting the link chain does not change. A hoisting and pulling device that can smoothly perform hoisting and lowering operations and that can adjust the length of a rope body wound around the fixed object that suspends the main body according to the thickness of the fixed object. Can be provided. Because of these effects, various slings such as sling wires have been conventionally required as means for attaching the main body, but these attachment tools are not required, and it is possible to quickly perform moving work such as winding and towing. It was.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Embodiment 1]
The hoisting and pulling device according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a front view of a hoisting and pulling device when an eye fitting is used for the engaging portion of the present invention, FIG. 2 is a side view showing the mounting state of the eye fitting, and FIG. 3 is a case where a shackle is used for the engaging portion. FIG. 4 is a side view showing the attached state of the shackle, FIG. 5 is a front view showing the engaged state of the upper hook and the shackle, and FIG. 6 is a front view when an eyebolt is used for the engaging part. 7 is a front view when the engagement hole is provided in the engagement portion, and FIG. 8 is a side view of the hoisting and pulling device of the present invention. 1 and 2, reference numeral 1 denotes a hoisting and pulling apparatus main body, 2a and 2b a pair of left and right main body frames provided with a load sheave 4 interposed therebetween, 3 a manual operation lever, 4 a load sheave, and 5 a load sheave 4 A lifting chain that is wound around and manually moved up and down by a manual operation lever 3, 6 is a lower hook provided at the lower end of the lifting chain, 7 is a cable body, and is pivotally attached to the hook mounting position of the main body frames 2a and 2b. It is attached to the cable body attachment part 9 made. Reference numeral 8 denotes an upper hook which is an engaging means provided at the upper end of the cable body 7, and 12a is an eye which is an engaging part which is pivotally supported by the mounting shaft 13a between the main body frames 2a and 2b and has an opening 16 in the center. It is a metal fitting.

  1 and 2, the eye fitting 12a as the engaging portion is directly attached to the main body frames 2a and 2b by the attachment shaft 13a. However, in the embodiments shown in FIGS. The attachment portions 12b to 12d are respectively attached to the attachment fittings 10 that are pivotally attached to the hook attachment positions of the main body frames 2a and 2b by the attachment fitting attachment means 11. In the following description, the configuration other than the mounting bracket 10, the engaging portions 12 b to 12 d, the mounting bracket mounting means 11, and the mounting shaft 13 of the engaging portion is the same as described above, and the description is omitted.

3 to 5, reference numeral 10 denotes a mounting bracket, which is pivotally mounted between the main body frames 2a and 2b by a mounting bracket mounting means 11 at a hook mounting position of a conventional hoisting and pulling device. Reference numeral 12b denotes a shackle which is an anchoring portion which is pivotally supported by a mounting shaft 13b with the mounting bracket 10 interposed therebetween and has an opening 16 in the center. 4 and 5 show a state in which the rope body 7 is wound around the locking object 17 that suspends the rope body, and the upper hook 8 is engaged with the opening 16 of the shackle 12b that is the engagement portion. In FIG. 6, reference numeral 12 c denotes an eyebolt that is an engaging portion that is attached to the upper surface of the mounting bracket 10 by mounting means 13 c such as a bolt and has an opening 16 in the center. In FIG. 7, reference numeral 12 d denotes an engagement hole which is an engagement portion provided on the side surface of the mounting bracket 10. Compared to other embodiments, it can be miniaturized and is suitable for portability. In FIG. 3 to FIG. 7, the shape and configuration of the engaging portion are different, but the operation and operation as the hoisting and pulling device are the same.
[Embodiment 2]
The hoisting and pulling device according to the second embodiment of the present invention will be described with reference to FIGS. 9 is a front view in the case of using a chain connector having a locking groove in the engaging portion, FIG. 10 is a front view showing a state in which the chain connector is engaged with a chain which is a rope body, and FIG. FIG. 5 is a front view showing a state in which a link chain, which is a rope body, is wound around the locking body 17 and the chain connector is engaged with the link chain. 9 to 11, reference numeral 14 denotes a chain connector having a U-shaped tip portion 14a, and a locking groove portion 14b for fitting the link of the link chain to the tip portion 14a. The chain connector 14 is pivotally attached to the mounting bracket 10 by a connector mounting shaft 15 so as to be rotatable.

  The chain connector 14 according to the present embodiment is used when the cable body 7 is a link chain, and the chain connector 14 can be directly engaged with an arbitrary position of the link chain 7. This is suitable for adjusting the hanging length of the. FIG. 10 is a view of the case where the upper hook 8 is engaged with the locking object, and the hoisting and pulling device main body 1 performs the hoisting and pulling of the load by one hoisting by the rope body 7. When adjusting the length with the apparatus main body 1, the locking groove 14 b of the chain connector 14 is fitted and locked to the chain opening of the link chain 7, and is attached to the link chain 7 and the hoisting and pulling apparatus main body 1. By coupling the chain connector 14, the length of the link chain 7 can be easily adjusted.

  FIG. 11 is a view of the case where the link chain 7 is wound around the locking object 17, the tip is suspended to the chain connector 14 side, and the link chain 7 is locked by the chain connector 14. Similarly to the above, the length of the link chain 7 can be easily adjusted. Moreover, in the said embodiment, although demonstrated as an example using a chain connection tool, when the rope body 7 is a wire rope, the wire rope connection tool which uses a wire rope for a wedge action is used, and in the case of a belt For this, a locking means such as a belt buckle is used.

Moreover, although the form using the hook 8 was illustrated in the above embodiment as the engaging means provided at the distal end portion of the cable body 7, the present invention is not limited to this, but a shackle, a master link, a carabiner, etc. Can be used. In this case, an engaging portion having an action like a chain connector shown in FIG. 9 or an engaging portion 12e shown in FIG.
[Embodiment 3]
The hoisting and pulling device according to the third embodiment of the present invention will be described with reference to FIGS. This embodiment is characterized in that a hook is used as the engaging portion, and 12e indicates a hook provided on one side of the mounting bracket 10. The action of the hook 12e is exactly the same as that of the engaging portions 12a to 12d in the first and second embodiments. However, in this embodiment, the hook 12e is directly engaged with the locking object 17, thereby providing a cord. The hoisting and pulling device can be used in the same manner of use as a conventional hoisting and pulling device that does not use a body.
[Embodiment 4]
FIG. 14 shows a form in which the hoisting and pulling device main body 1 is suspended by two cable bodies. In the figure, reference numeral 18 denotes a preliminary sling. In this embodiment, a link chain is used, and a hook 18 is provided at the tip thereof.

  Hereinafter, a method for attaching the hoisting and pulling device of the present embodiment will be described with reference to FIG. The apparatus used in the present embodiment is an apparatus using the chain connector 14 of the second embodiment.

  First, the cord body 7 is wound around the locking object 17, and the upper hook 8 is suspended and engaged with the cord body 7. Next, the length of the preliminary sling 18 is adjusted, the lower part is locked to the chain connector 14, the sling 18 is wound around the locking object 17, and the hook 19 at the tip is engaged with the sling 18. It is possible to suspend the upper traction device in a suspended state by the cable body 7 and the preliminary sling 18. This form is particularly suitable when a heavy object is towed or pulled, or when a load cannot be lifted or lowered just below the hoisting and pulling device. In the form shown in FIG. 14, the load is raised and lowered at an intermediate position between the locking objects 17 and 17.

  Moreover, in this embodiment, although demonstrated as what used a chain connector, it is not limited to this.

  The shape is not particularly limited as long as the hook can be engaged with the hook, or the rope can be wound and can withstand the load of the load. Further, in the above description, in the two-hanging form in which the rope body 7 is wound around the locking object 17 and the upper hook or the like is anchored at the anchoring portion, the load applied to the rope body is reduced. Therefore, it is suitable for winding and pulling heavy objects. In the first to fourth embodiments, the hoisting and pulling device using the lever 3 is exemplified as the manual operation means, but the present invention can be applied to a chain block using a chain wheel and a chain as the manual operation means instead of the lever shape.

  The hoisting and pulling device according to the present invention includes a rope body having an engaging means such as a hook at an end portion, which hangs or locks the hoisting and pulling device on a locking object on a main body frame, and the detachable wire body. Since there is an engaging part that can be freely attached, when there is a thin engaging object on the engaging side of the cable body, the hook is engaged with the engaging object, and the thick engaging object that cannot be engaged with the hook In this case, the rope body is wrapped around the locking object, and the hook is engaged and fixed to the engaging portion provided on the main body frame, so that the hoisting and pulling device can be engaged regardless of the size of the locking object. By combining the two hoisting devices, the load can be lifted and pulled in any direction between the two locking objects, and the heavy load is lifted and pulled. In this case, the suspending body is wrapped around the locking object, and the engaging means is engaged with the engaging portion provided on the main body frame, and is fixed to two. By halving the load applied to the striated body, it becomes possible to wind and tow heavy objects with a small device, especially for heavy objects in places where it is difficult to transport large devices such as mountains. This is particularly useful when carrying out moving work such as hoisting, lowering, towing, and horizontal pulling, disaster recovery work, and emergency activities in an emergency.

It is a front view at the time of using an eye metal fitting for the engaging part of the winding pulling device of the present invention. It is a side view which shows the attachment state of an eye metal fitting. It is a front view at the time of using a shackle for an engaging part. It is a side view which shows the attachment state of a shackle. It is a front view which shows the engagement state of an upper hook and a shackle. It is a front view at the time of using an eyebolt for an engaging part. It is a front view at the time of using an engaging hole for an engaging part. It is a side view of the hoisting traction machine of the present invention. It is a front view at the time of using the chain connector which has a locking groove in an engaging part. It is a front view which shows the state which the chain connector has engaged with the chain | strand of the cable body. It is a front view which shows the state in which a rope body winds a latching thing, and the chain connector is engaging with the chain. It is a front view at the time of using an engaging part as a hook. It is a front view which shows the engagement state of the upper hook with the engagement part hook. It is a front view of the hoisting tow device provided with two cable bodies.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoisting tow apparatus main body 2a, 2b Main body frame 3 Operation lever 4 Load sheave 5 Elevating chain 6 Lower hook 7 Cable body 8 Upper hook 9 Cable body attachment part 10 Mounting bracket 11 Mounting bracket mounting means 12a, 12b, 12c, 12d, 12e Engaging portion 13a, 13b, 13c Mounting shaft 14 Chain connector 14a Tip 14b Locking groove 15 Connecting tool mounting shaft 16 Opening 17 Locking object 18 Preliminary sling 19 Hook

Claims (1)

A load sheave rotatably supported by the main body frame, a manual operating means for driving the load sheave, a chain wound around the load sheave and having a lower hook at one end, and winding up and down the chain In the upper traction device ,
The main body frame has a mounting bracket swingably attached to the main body frame, and the mounting bracket has a mounting portion for mounting a link chain having an upper hook which is an engaging means, and the mounting bracket. A hoisting and pulling device, characterized in that the hoisting and pulling device has an engaging hole that is provided on a side surface of the engaging member and detachably engages the engaging means .

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