JP2019198582A - Slipping stopper for safety rope and safety device - Google Patents

Abstract

To provide a slipping stopper for a safety rope in which attachment/detachment to/from the safety device for climbing a tree is easy, and the safety of a worker at the time when climbing up/down a tree by using this safety device can be improved.SOLUTION: A slipping stopper for a safety rope is used by being wound on a peripheral side surface of a safety rope 15 for supporting a worker's body at the time when climbing a tree, and for preventing the slipping of the safety rope 15 at the time when latching the safety rope 15 to a tree trunk. The slipping stopper 1A for the safety rope is characterized by including: a sheet body 2 being wound on the peripheral side surface of the safety rope 15; spinous projections 3 comprising hard materials, and projected into the main surface side of the sheet body 2; and a first fixing structure 4 provided at the sheet body 2, and for cylindrically holding this sheet body 2.SELECTED DRAWING: Figure 2

Description

  The present invention is a safety device used when climbing a tree trunk, and is detachably provided on a torso that supports the weight of an operator, and suitably prevents slipping when the torso is hooked on a tree trunk. The present invention relates to a torso antiskid device that can be used and a safety device comprising the same.

First, a description will be given in detail with reference to FIGS. 8 and 9 regarding a safety device according to the prior art which is a target of use of the product of the present invention and how to climb a tree trunk using the safety device.
FIG. 8 is a perspective view showing an example of a safety device according to the prior art. FIGS. 9A to 9D are side views showing how the worker climbs the trunk using the safety device according to the prior art.
As shown in FIGS. 8 and 9, the safety device 13 according to the prior art mainly includes a belt-like waist pad 14 applied to the waist of the operator 19, and the waist pad 14 is attached to and detached from the waist pad 14 via a fixing bracket 16. It is comprised by the trunk line 15 fixedly possible.
Such a safety device 13 according to the prior art is provided with a latching hook 16b (for example, an eggplant) on one end side of the rope 15, as shown in FIG. 8, for example. The hook 16b can be detachably attached to a retaining ring 16a provided on the waist pad 14.
Further, the safety device 13 according to the related art has an expansion / contraction adjustment tool 16c on the other end side of the trunk rope 15, and the length of the other end portion of the trunk rope 15 derived from the expansion / contraction adjustment tool 16c. By adjusting the height, it is possible to adjust the length of the torso 15 when the torso 15 is attached to the waist pad 14.

  In order to climb a tree trunk using such a safety device 13 according to the prior art, first, an operator 19 wraps the torso 15 around the tree trunk halfway around while standing by the tree trunk. Then, a hook 16b provided at one end thereof is hooked on a ring-shaped fixing bracket 16 provided on the waist pad 14 (not shown). Moreover, the length from the hook 16b of the trunk 15 to the expansion / contraction adjustment tool 16c is adjusted in the expansion / contraction adjustment tool 16c as necessary.

Thereafter, as shown in FIG. 9A, the trunk line 15 is hooked on the peripheral side surface of the tree trunk 18, and the trunk line 15 and the waist pad 14 support the weight of the operator 19 himself. Hang both feet. At this time, the worker 19 can hook the foot while preventing slipping on the peripheral side surface of the trunk 18 by attaching the crab 20 which is a kind of spike to the foot.
Further, from this state, as shown in FIGS. 9B and 9C, the operator 19 moves the legs one by one to a higher position of the trunk 18 while supporting the body by the trunk 15 and the waist rest 14. 9 (d), the gripping position of the torso rope 15 is moved closer to the trunk 18 so as to recoil the torso rope 15 so that the contact portion with the trunk 18 is vertically upward, that is, , And moved in the direction indicated by the symbol P in FIG.
Thereafter, the operator 19 can climb the tree trunk 18 by repeating the operations shown in FIGS.

When climbing a tree using such a safety device 13 according to the prior art, if the trunk 15 that is hooked on the trunk 18 slips off the trunk 18, the operator 19 falls down. So it is extremely dangerous.
In view of such circumstances, when climbing the trunk 18 of the tree using the safety device 13 according to the prior art as shown in FIGS. 8 and 9, the trunk 15 does not slip on the surface of the trunk 18. Ingenuity was needed.
The followings are known as prior arts belonging to the same technical field as the present invention.

Patent Document 1 has a name “slipper for a torso”, and a slipper for a torso that can prevent the operator from falling off the tree while the climber climbs a tree by the same applicant as the present invention. An invention related to this is disclosed.
The slip rope anti-skid tool disclosed in Patent Document 1 is a torso anti-skid tool 1 used at the time of climbing trees, when the reference numerals described in the document are used as they are. A cylindrical container 2 having a plurality of through holes 23 formed in the tree contact surface 22, a plate-shaped member 31 accommodated in the cylindrical container 2, and the tree contact in the plate-shaped member 31 An anti-slip portion 3 having a plurality of barbs 32 provided on a surface arranged on the surface 22 side and projecting from the plurality of through holes 23, and the anti-slip portion 3 attached in a direction away from the tree contact surface 22. An energizing member 4 that energizes, a torso insertion space 5 that is provided on the other surface side of the plate-like member 31 inside the tubular container 2 and into which the torso 7 can be inserted, and the tubular container 2 A pair of trunk rope insertion holes 6 formed on both end faces, through which the trunk rope 7 can be inserted; It is made of Te.
The cylindrical container according to the invention disclosed in Patent Document 1 having the above configuration includes a container main body and a lid portion for attaching and detaching the torso rope. Can be removed. Therefore, the invention disclosed in Patent Document 1 can also be used for existing trunks. In addition, the invention disclosed in Patent Document 1 has an advantage that the rope can be easily separated from the container body, and the container body itself is compact and convenient to carry.

Patent Document 2 discloses an invention relating to an anti-slip rope that can be used safely and is less slippery during evacuation, transportation, packaging, and the like in the event of a disaster.
When the invention disclosed in Patent Document 2 is described using the reference numerals described in the document as it is, a number of anti-slip protrusions 4 such as natural rubber and synthetic rubber are provided on the peripheral surface of the rope 3. In particular, elastic protrusions 4 of natural rubber or synthetic rubber are provided at regular intervals on the outer peripheral surface of each strand 2 of a rope 3 in which a plurality of strands 2 are twisted together.
According to the invention disclosed in Patent Document 2 having the above configuration, an elastic anti-slip effect can be achieved by the protrusions 4 formed on the peripheral side surface of the rope while making the appearance of the rope beautiful.
In addition, according to the invention disclosed in Patent Document 2, since the anti-slip protrusion has a hemispherical shape, it is possible to easily grip the hand on the rope and to prevent slipping.

JP 2015-43941 A JP 2006-263115 A

In the case of the invention disclosed in Patent Document 1 described above, the anti-skid device for the rope is, for example, a spring as an urging member, and the barb portion is pressed against the trunk by the urging member so that It is a mechanism that demonstrates the anti-slip effect.
For this reason, if the urging member is damaged during the use of the invention disclosed in Patent Document 1, the thorn portion cannot be strongly pressed against the surface of the trunk, and sufficient slipping occurs. The stopping effect may not be exhibited.
In other words, in the case of the invention disclosed in Patent Document 1, if the internal structure of the anti-skid tool for the rope is damaged, the anti-slip effect of the rope is suddenly stopped, and the operator falls down. There was a risk of waking up.

In the case of the invention disclosed in Patent Document 2 described above, for example, when the anti-slip rope disclosed in Patent Document 2 is inserted into the expansion / contraction adjustment tool 16c of the safety device 13 according to the prior art as shown in FIG. Anti-slip projections get in the way.
Further, in the case of the invention disclosed in Patent Document 2, the anti-slip protrusion is made of a natural material or a synthetic rubber elastic material simply stuck on the surface of the rope. There is a risk that the anti-slip projections may be removed. Furthermore, in the case of the invention disclosed in Patent Document 2, it is expected that the anti-slip projections gradually decrease by repeatedly using the anti-slip rope, and there is a concern that the anti-slip effect of the anti-slip rope may be reduced. there were.

The present invention has been made in response to such a conventional situation, and its purpose is that the safety device according to the prior art can be easily attached to and detached from the torso, is simple in structure, is not easily damaged, and an operator takes the trunk. An object of the present invention is to provide a torso antiskid device that can reliably prevent slipping of the torso when climbing.
Furthermore, in addition to the above object, the present invention provides a torso anti-skid device in which the anti-slipping effect of the torso anti-skid device is unlikely to decrease even when the anti-skid anti-skid device according to the present invention is used repeatedly. It is to provide.

The anti-skid device for the torso, which is the first invention for solving the above-mentioned problems, is used by being wound around the circumferential side of the torso that supports the operator's body when climbing the tree. An anti-slip device for a torso to prevent slipping of the torso when hooked on a trunk, comprising a sheet body wound on the circumferential side of the torso, a hard material, and A spine-like protrusion protruding toward the main surface side, and a first fixing structure provided on the sheet body and for holding the sheet body in a cylindrical shape. It is.
In the first invention configured as described above, the sheet body has an action of holding a plurality of spinous processes. Further, the spinous process functions like a spike when pressed against the surface of a tree trunk, and has an action of suppressing the sliding of the trunk. Furthermore, the first fixing structure has an action of holding a sheet body having spinous protrusions on the peripheral side surface of the torso rope in a state of being wound in a cylindrical shape.

The anti-skid tool for a torso rope according to a second aspect of the present invention is characterized in that, in the first aspect described above, the protrusion is made of a steel material.
2nd invention of the said structure is the effect | action which raises the intensity | strength of a processus | protrusion compared with the case where a processus | protrusion is comprised with a synthetic resin etc. by comprising a processus | protrusion with a steel material in the same effect | action by the above-mentioned 1st invention. Have
In addition, when the anti-skid device for the torso, which is the second invention, is mounted on the torso of the safety device and used for climbing a tree, the protrusion plays a role like a spike on the surface of the trunk, It has the effect | action which suppresses the slip of the torso on the surface of this.

The anti-skid device for a rope, which is a third invention, is characterized in that, in the first or second invention described above, the protrusion penetrates at least part of the thickness direction of the sheet body. .
In the third invention having the above-described configuration, in addition to the same action as that of the first or second invention described above, the protrusions penetrate at least part of the thickness direction of the sheet body, so that the individual This has the effect of making it difficult for the protrusions to come off.

In the first to third inventions described above, the anti-skid device for a torso as a fourth aspect of the present invention has a protrusion formed on the bottom surface of the protrusion and a protrusion whose outer shape is tapered. And a retaining portion that is provided integrally and has a planar shape wider than the bottom surface of the protrusion. The retaining portion is embedded in the thickness portion of the sheet body or disposed on the back side of the sheet body. It is characterized by being.
According to the fourth aspect of the present invention, in addition to the same effects as those of the first to third aspects of the invention described above, the protrusions are provided with a retaining portion, so that the protrusions are more difficult to come off from the sheet body. It has the action.

In the above-described first to fourth inventions, the anti-skid device for a torso which is a fifth invention is characterized in that the protrusion is caulked on the sheet body.
In the fifth invention having the above-described configuration, in addition to the same action as that of each of the first to fourth inventions described above, an adhesive or the like is used for the sheet body by the protrusion being caulked on the sheet body. And has an effect of firmly fixing individual protrusions.

The anti-skid device for a torso as a sixth invention is characterized in that, in each of the first to fifth inventions described above, the first fixing structure is a hook-and-loop fastener. According to the sixth aspect of the invention, in addition to the same actions as those of the first to fifth inventions described above, the first fixing structure is a hook-and-loop fastener so that the first fixing structure can be attached to the sheet body. Has the effect of facilitating. Moreover, according to 6th invention, it has the effect | action of making easy the attachment or detachment operation | work of the anti-skid tool for trunks which is 6th invention to the trunk.

The anti-skid device for the torso which is the seventh invention includes the anti-slip member fixed to at least a region of the sheet body which contacts the torso in each of the first to sixth inventions described above. It is characterized by this.
In the seventh invention having the above-described configuration, in addition to the same actions as those of the first to sixth inventions described above, a non-slip member is provided in a region (at the back surface side of the sheet body) at least in contact with the rope in the sheet body. By having this, it has the effect | action that prevents a sheet | seat body from sliding on the surrounding side surface of a torso when a sheet | seat body is wound around the torso rope of a safety gear.
And by this action, the surface of the trunk when the anti-skid device for the ropes according to the seventh invention is attached to the trunk, and the anti-skid for the ropes according to the seventh invention It has the effect | action of suppressing suitably the slip between tools.

The anti-skid device for the torso, which is the eighth aspect of the invention, in each of the first to seventh inventions described above, has a band shape, and is provided integrally or separately with the anti-skid device for the torso, and It is characterized by comprising a second fixing structure for tightly binding the torso wound with the anti-skid device for the rope from above the anti-skid device for the torso.
The eighth invention having the above-described configuration is provided with the second fixing structure in addition to the same actions as those of the first to seventh inventions described above. When the torso fitted with the anti-skid tool is hooked on the tree trunk, the seat body comes off from the torso when a force that releases the fixed state by the first fixing structure acts on the seat body. Has the effect of preventing

A safety device according to a ninth aspect of the present invention comprises a belt-like waist rest that is wrapped around the operator's waist and a rope, and a trunk that is attached to the waist rest via a fixing bracket, and is attachable to and detachable from the rope. And a torso anti-skid device according to any one of the first to eighth aspects of the present invention.
In the ninth invention having the above-described configuration, the waist rest has an effect of supporting the operator's weight by being coupled to the torso rope. The torso keeps the operator's body in the desired position on the trunk and prevents the operator from falling when the worker climbs the tree or stays at the desired position on the trunk of the tree. Has an effect.
In addition, the torso antiskid device according to any one of the first to eighth inventions prevents the torso from sliding on the peripheral side surface of the trunk when the torso is hooked on the trunk of the tree. Have

According to the first invention as described above, after the trunk is attached to the fixing member of the waist pad in the conventionally known safety device, the anti-skid device for the rope of the first invention is wound around the rope. Can be removed.
Further, according to the first invention, when the torso that is provided with the anti-skid device for the torso according to the first invention is hooked on the trunk of the tree, the top of the spinous protrusion is the trunk of the tree. It can be pressed against the peripheral side surface of the body and function like a spike, and it is possible to suitably prevent the trunk from slipping on the surface of the trunk.
As a result, it is preferable that the first invention is attached to the safety device and the climbing or the work on the tree is performed, so that the trunk slides on the surface of the tree trunk and the operator slides down from the tree. Can be prevented.
Therefore, according to 1st invention, when climbing a tree using a safety tool or performing work on a tree, the safety of an operator can be greatly improved.
Further, the anti-skid tool for the torso rope according to the first aspect of the present invention has an advantage that it is difficult to carry because it is not bulky because its outer shape is a sheet.

According to the second invention, in addition to the same effects as the effects of the first invention described above, the protrusions are made of steel, so that the strength and durability of the protrusions can be greatly improved.
Furthermore, according to 2nd invention, the anti-slipping effect of the torso rope by the spinous processus | protrusion which protrudes in the main surface side of a sheet | seat body can be heightened further.

According to the third invention, in addition to the same effect as the effect of the first or second invention described above, the protrusion is provided through at least part of the thickness direction of the sheet body, so that the sheet body And the adhesion of the protrusions can be improved.
As a result, it is possible to reduce the risk of the protrusions coming off from the sheet body when using the anti-skid anti-skid device for the rope, which is the third aspect of the invention, as compared with the case where the protrusions are stuck on the surface of the sheet body.
Therefore, according to the third aspect of the present invention, it is possible to provide a torso antiskid device with higher reliability and safety.

According to the fourth invention, in addition to the same effects as the effects of the first to third inventions described above, when the projection is viewed in plan, the retaining portion wider than the planar shape of the protrusion is provided. As a result, it is possible to make it difficult to remove the protrusion from the sheet body.
Therefore, according to the fourth aspect of the invention, it is possible to provide the anti-skid tool for the torso that is more reliable and safer than the first to third aspects of the invention described above.

According to the fifth invention, in addition to the same effects as the effects of the first to fourth inventions described above, the protrusions are caulked to the sheet body, so that the protrusions are further prevented from coming off from the sheet body. Can do.
Therefore, according to the fifth aspect of the present invention, it is possible to provide the anti-skid tool for a torso that is more reliable and safer than the first to fourth aspects of the invention described above.

According to the sixth invention, in addition to the same effects as the effects of the first to fifth inventions described above, the first fixing structure is a hook-and-loop fastener, so that the seat body can be attached to and detached from the trunk. Can be easily.
Further, according to the sixth invention, the first fixing structure can be easily attached to the sheet body, and the sixth invention having the first fixing structure can be provided at a low cost. Have.

According to the seventh invention, in addition to the same effects as the effects of the first to sixth inventions described above, the non-slip member is provided in the sheet body at least in the region in contact with the rope (the back side of the sheet body). By providing, when the trunk to which the seventh invention is mounted is hooked on the trunk of the tree, it is prevented that the anti-skid tool for the trunk of the seventh invention slips on the circumferential side surface of the trunk. be able to.
Therefore, according to the seventh aspect of the invention, it is possible to provide a torso anti-skid device with higher reliability and safety.

According to the eighth invention, in addition to the same effects as the effects of the first to sixth inventions described above, the torso is fastened from the peripheral side surface of the antiskid device for the torso attached to the torso. Even if the first fixing structure for fixing the sheet body is released when the torso equipped with the anti-skid tool for the torso is used, the torso is provided with the second fixing structure that can be used. It is possible to prevent the anti-skid tool for the rope from coming off.
Therefore, according to the eighth aspect of the invention, it is possible to provide a torso anti-skid device with higher reliability and safety.

  According to a ninth aspect of the present invention, a safety device including the above-described first to eighth anti-skid devices for torso is specified as a product invention. This is the same as the effect of each of the eight inventions.

It is a perspective view of the anti-slip | skid tool for trunks which concerns on Example 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a conceptual diagram which shows a mode that the anti-skid tool for trunks which concerns on Example 1 of this invention was mounted | worn to the trunk. It is the sectional view on the AA line in FIG. It is sectional drawing of the anti-slip | skid tool for trunks which concerns on Example 2 of this invention. (A) It is sectional drawing of the anti-skid tool for trunks which concerns on Example 3 of this invention, (b) The concept which shows a mode that the anti-skid tool for trunks which concerns on Example 3 of this invention was mounted | worn to the trunk. FIG. It is a fragmentary sectional view of the anti-skid tool for trunks concerning Example 4 of the present invention. It is a fragmentary sectional view of the anti-skid tool for trunks concerning Example 5 of the present invention. It is a perspective view which shows an example of the safety device which concerns on a prior art. (A)-(d) is a side view which shows a mode that an operator climbs a trunk using the safety device which concerns on a prior art.

  The anti-skid device for the torso according to the embodiment of the present invention will be described in detail with reference to Examples 1 to 4.

First, a torso anti-skid tool 1A according to Embodiment 1 of the present invention will be described with reference to FIGS.
FIG. 1 is a perspective view of a torso anti-skid device according to Example 1 of the present invention, and FIG. 2 is a concept showing a state in which the torso anti-skid device according to Example 1 of the present invention is attached to the torso. FIG. 3 is a cross-sectional view taken along line AA in FIG. The same parts as those described in FIGS. 8 and 9 are denoted by the same reference numerals, and description of the configuration is omitted.
As shown in FIGS. 1 and 2, the anti-skid tool 1 </ b> A for the torso according to the first embodiment includes a sheet body 2 wound on the peripheral side surface of the torso 15 of the safety device 13 as shown in FIG. 8. A plurality of spine-like protrusions 3 made of a hard material and projecting to the main surface side of the sheet body 2, and a first for being provided on the sheet body 2 and holding the sheet body in a cylindrical shape The fixing structure 4 is provided.

  The sheet body 2 in the anti-skid anti-skid device 1A according to the first embodiment is made of a material having sufficient strength so as not to be damaged even when pulled by a load corresponding to the weight of a person, for example. It is desirable. As such a sheet body, leather, a woven fabric made of natural fibers or synthetic fibers, a molded body such as a synthetic resin, or a sheet body obtained by subjecting them to surface treatment can be used without any trouble.

  Moreover, it is desirable that the protrusion 3 of the anti-skid 1A for the ropes according to the first embodiment is made of a hard material that is not easily damaged by an impact or the like. For example, it is preferable to use a synthetic resin or metal that does not deform even when a load corresponding to the weight of a person is applied to the protrusion 3. Furthermore, in particular, when the protrusion 3 is made of metal, it is desirable to use a steel material that can be expected to have high strength.

Further, the anti-skid tool 1A for the ropes according to the first embodiment is used in a state of being wound on the circumferential side surface of the rope 15 as shown in FIG. For this reason, when the sheet body 2 is wound on the circumferential side surface of the torso 15, the anti-skid tool 1 </ b> A for the torso according to the first embodiment maintains the state of the first fixing structure 4. It is necessary to have.
Such a first fixing structure 4 may be any structure as long as the state in which the sheet body 2 is wound on the circumferential side surface of the trunk rope 15 can be maintained.

In the torso anti-skid tool 1A according to the first embodiment, for example, a surface fastener made of a male type and a female type can be used as the first fixing structure 4.
In this case, as shown in FIGS. 1 to 3, a male or female type surface fastener 5a is provided on the main surface side (surface on which the protrusion 3 is projected) of one end of the sheet body 2. A female-type or male-type hook-and-loop fastener 5b may be provided on the back side of the other end of the sheet body 2.
And when winding the sheet | seat body 2 around the torso rope 15, as shown in FIG.2,3, the sheet | seat fastener 5a, 5b provided in each edge part of the sheet | seat 2 is piled up, and a sheet | seat is piled up. The end of the body 2 can be detachably fixed. Thereby, the sheet | seat body 2 can be mounted | worn detachably on the surrounding side surface of the trunk 15.
1 and 2, the case where the strip-like surface fastener 5a and the surface fastener 5b are provided at the end of the sheet body 2 is described as an example, but the widths of the surface fastener 5a and the surface fastener 5b are illustrated. It is not necessary to be specified, and it may have a sufficient width so that it can be wound on the peripheral side surface of the rope 15. In this case, the sheet body 2 may be wound on the circumferential side surface of the trunk rope 15 to form a layer structure of one or more layers.

In order to climb the trunk of the tree using the anti-skid tool 1A for the torso according to the first embodiment, first, a part of the torso 15 shown in FIG. The sheet body 2 of the torso anti-skid tool 1A according to Example 1 shown in FIG. 1 is wound and fixed on the peripheral side surface of the torso 15, as shown in FIG. The torso rope 15 may not include the protective cover 17 as shown in FIG.
Thereafter, the tree trunk 18 may be climbed using the safety device 13 in the manner shown in FIG.

Further, the number of anti-slip devices 1A for the torso to be attached to the torso 15 of the safety device 13 does not have to be singular, and when the torso 15 is used to climb the trunk 18 of the trunk, the torso 15 and the tree The torso anti-skid tool 1A according to the first embodiment may be installed without a gap over the entire area where the trunk 18 contacts, or a plurality of torso anti-skid tools 1A may be installed at every desired interval. Good.
When the anti-skid tool 1A for the torso according to the first embodiment is attached to the torso 15 of the safety device 13, the torso 15 and the tree in the state shown in FIGS. 9 (a) to 9 (d). The trunk antiskid 1 </ b> A according to the first embodiment is interposed between the trunk 18 and the trunk 18.
In this case, the protrusion 3 protruding from the main surface side of the sheet body 2 acts like a spike, and the slip of the trunk 15 on the surface of the tree trunk 18 can be prevented.
Therefore, the operator 19 can safely climb up and down the tree trunk 18 by using the safety device 13 provided with the anti-slip device 1A for the ropes according to the first embodiment.

As described above, the anti-skid tool 1A for the torso according to the first embodiment is used in a state of being interposed between the torso 15 of the safety device 13 and the tree trunk 18, so that the individual protrusions 3 have A large load is applied.
For this reason, if the protrusion 3 is simply bonded to the surface of the sheet body 2, the protrusion 3 may be easily peeled off from the sheet body 2 when the torso anti-skid tool 1 </ b> A according to the first embodiment is used. Further, when the protrusion 3 is unexpectedly detached from the sheet body 2, the anti-slipping effect of the trunk 15 on the surface of the tree trunk 18 is not sufficiently exhibited.
In this case, if the trunk 15 slips during climbing the tree, the operator 19 may fall from the trunk of the tree, which is extremely dangerous.

In view of such circumstances, in the anti-skid tool 1A for the torso according to the first embodiment of the present invention, as shown in FIG. 3, the sheet body is provided with the protrusion 3 penetrating at least part of the thickness direction of the sheet body 2. 2 may be fixed.
In this case, since the protrusion 3 is not simply joined to the main surface of the sheet body 2 but the protrusion 3 is hooked on the sheet body 2, when the anti-skid anti-skid tool 1 </ b> A according to the first embodiment is used, The risk that the protrusions 3 are unexpectedly detached from the sheet body 2 can be reduced.
Furthermore, in the anti-skid tool 1A for the torso according to the first embodiment, as shown in FIG. 3, the protrusion 3 is constituted by a protrusion 3a and a retaining part 3b formed at the base thereof, and the protrusion 3a is formed. While letting out to the main surface side of the sheet body 2, the retaining portion 3 b may be disposed inside or on the back surface side of the sheet body 2. In addition, when the protrusion 3 is viewed from the side, the maximum diameter of the retaining portion 3b is configured to be larger than the maximum diameter of the protrusion 3a.
When the anti-skid tool 1A for the torso according to the first embodiment is provided with the projection 3 including the projection 3a and the retaining portion 3b, the sheet body 2 is provided with the projection 3 on the sheet body 2. The protrusion 3 can be made more difficult to come off from 2.

In addition, when the protrusion 3 has penetrated all the thickness directions of the sheet | seat body 2, even if the protrusion 3 is equipped with the retaining part 3b, when the hole which penetrates the protrusion 3 in the sheet | seat body 2 spreads, etc. In addition, there is an increased risk that the protrusion 3 will come off when using the anti-skid tool 1A for the torso according to the first embodiment.
In view of such circumstances, as shown in FIG. 3, for example, the sheet body 2 has a layer structure composed of a first layer 2 a and a second layer 2 b, and a retaining portion 3 b of the protrusion 3 is interposed between these joint portions. You may set up. In this case, the first layer 2a, the second layer 2b, and the protrusions 3 are preferably integrated with each other by an adhesive (not shown).
Thus, by embedding the retaining portion 3 b of the protrusion 3 in the thickness direction inside of the sheet body 2, the protrusion 3 can be further prevented from being detached from the sheet body 2. As a result, according to the torso anti-skid device 1A according to the first embodiment, the anti-skid anti-skid device with high reliability at the bonding portion of the protrusion 3 to the sheet body 2 and excellent safety in use. Can be provided.

Although not particularly illustrated, when the protrusion 3 is composed of the protrusion 3a and the retaining portion 3b, a plurality of through holes (selective components) may be formed in the retaining portion 3b in a scattered state. Good.
Such a protrusion 3 can be sewn to the main surface side of the sheet body 2 by using the through hole formed in the retaining portion 3b. In this case, the risk that the protrusion 3 is detached from the sheet body 2 can be greatly reduced as compared with the case where the protrusion 3 is bonded to the main surface side of the sheet body 2.
Further, even when the protrusion 3 having such a retaining portion 3b and the through hole is provided on the sheet body 2 in a state of passing through a part in the thickness direction of the sheet body 2, the sheet body is utilized by using the through hole. 2 can be sewn with a retaining portion 3 b of the protrusion 3.
In this case, there is an effect that the fixing strength of the protrusion 3 with respect to the sheet body 2 shown in FIG. 3 can be further increased.

Next, the antiskid tool for the torso according to the second embodiment will be described in detail with reference to FIG.
FIG. 4 is a cross-sectional view of a torso anti-skid device according to Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected about the same part as what was described in FIG. 1 thru | or 3, 8, and 9, and the description about the structure is abbreviate | omitted.
As shown in FIG. 4, the anti-skid tool 1 </ b> B for the torso according to the second embodiment has the same configuration as the anti-skid 1 </ b> A for the torso according to the first embodiment, and at least the torso 15 in the sheet body 2. Is provided with a non-slip member 7 that is integrally fixed to the sheet body 2 in a region in contact with the sheet body (the back side of the sheet body 2).
Although not particularly illustrated, when the sheet body 2 has a multilayer structure of the first layer 2a and the second layer 2b, the anti-slip member 7 and the second layer 2b may be used together.
Moreover, in FIG. 4, although the case where the sheet-like non-slip | skid member 7 is affixed on the back surface of the sheet body 2 is mentioned as an example, it is not necessary to specify to this form, The back surface of the sheet body 2 May be embossed with a non-slip member.

According to the torso anti-skid tool 1B according to the second embodiment, when the torso anti-skid tool 1B according to the second embodiment is mounted on the torso 15 of the safety tool 13 shown in FIG. The anti-slip member 7 is interposed between the sheet body 2 and the trunk 15.
In this case, when climbing the tree trunk 18 in the manner shown in FIG. 8 using the safety device 13 equipped with the anti-skid tool 1B for the rope according to the second embodiment, the trunk 15 is hooked on the trunk 18. When it does, it can prevent suitably that the back surface of the sheet | seat body 2 slips on the surrounding side surface of the trunk 15.
In this case, since the anti-skid tool 1B for the torso according to the second embodiment attached to the torso 15 of the safety device 13 functions integrally with the torso 15, the operator 19 uses the safety device 13 to It has the merit that the safety at the time of climbing the trunk 18 can be further improved.

Furthermore, the anti-skid tool for the torso according to the third embodiment of the present invention will be described in detail with reference to FIG.
Fig.5 (a) is sectional drawing of the anti-skid tool for trunks based on Example 3 of this invention. (B) is a conceptual diagram which shows a mode that the anti-skid tool for trunks which concerns on Example 3 of this invention was mounted | worn to the trunk. The same parts as those described in FIGS. 1 to 4, 8, and 9 are denoted by the same reference numerals, and description of the configuration is omitted.
The torso anti-skid tool 1C according to the third embodiment includes a configuration other than the hook-and-loop fastener 5a and the hook-and-loop fastener 5b as the first fixing structure 4.
More specifically, the anti-skid tool 1C for the rope according to the third embodiment includes the eyelet 8 on one end side of the sheet body 2 as the first fixing structure 4 and the other end portion of the sheet body 2. On the side, a projection 3 for inserting the eyelet 8 through the through hole 9 is provided.
In this case, as shown in FIG. 5 (b), the protrusion 3 disposed at the other end of the sheet body 2 is inserted into the through hole 9 of the eyelet 8, thereby allowing the sheet to be formed on the circumferential side surface of the trunk 15. The body 2 can be fixed.
Moreover, in the anti-skid tool 1C according to the third embodiment, the protrusion 3 forming the first fixing structure 4 in the sheet body 2 can also be used as a non-slip spike when climbing the tree trunk 18. it can.

Next, the anti-skid tool for the torso according to the fourth embodiment will be described in detail with reference to FIG.
FIG. 6 is a partial cross-sectional view of a torso anti-skid device according to Embodiment 4 of the present invention. The same parts as those described in FIGS. 1 to 5, 8, and 9 are denoted by the same reference numerals, and description of the configuration is omitted.
As shown in FIG. 6, a torso anti-skid tool 1 </ b> D according to Example 4 is obtained by caulking a protrusion 3 on a sheet body 2.
More specifically, in the protrusion 3 according to the fourth embodiment, the protrusion 3a and the retaining portion 3b are formed separately. The protrusion 3 a of the protrusion 3 according to the fourth embodiment includes the insertion hole 11 and the hollow part 10 following the insertion hole 11 on the bottom surface. Further, the retaining portion 3b of the protrusion 3 according to the fourth embodiment includes an insertion portion 12 in the center of the flat retaining portion 3b.
And in order to attach the protrusion 3 which concerns on such Example 4 to the sheet | seat body 2, the insertion part 12 provided in the retaining part 3b was penetrated in the thickness direction of the sheet | seat body 2 from the back surface side of the sheet | seat body 2. Thereafter, the insertion portion 12 is inserted into the hollow portion 10 from the insertion hole 11 formed in the bottom surface of the protrusion 3a.
After that, when the projection 3a is fixed with a dedicated jig (not shown) and the surface of the retaining portion 3b on the side where the insertion portion 12 is not provided is struck, the hollow portion 10 of the projection 3a is inserted. The distal end of the inserted insertion portion 12 hits the bottom of the hollow portion 10 to be deformed to become a deformed portion 12a, and is prevented from coming out from the insertion hole 11 as shown in FIG.

  According to the above-described anti-skid device 1D for the torso according to the fourth embodiment, since the protrusion 3 can be firmly fixed to the sheet body 2, the anti-skid device for the torso according to the first to third embodiments. It is possible to provide a torso anti-skid device that is safer than 1A to 1C.

Finally, the anti-skid tool 1E for the torso according to the fifth embodiment will be described with reference to FIG.
FIG. 7 is a partial cross-sectional view of a torso anti-skid tool according to Embodiment 5 of the present invention. The same parts as those described in FIGS. 1 to 6, 8, and 9 are denoted by the same reference numerals, and description of the configuration is omitted.
In FIG. 1 to FIG. 6, the case where the protrusions 3 are individually provided on the sheet body 2 has been described as an example. However, a plurality of protrusions 3 integrated together are fixed to the sheet body 2. It is possible to exert the same operation effect.
More specifically, the protrusion 21 of the torso anti-skid tool 1E according to the fifth embodiment is formed by integrally connecting the root portions of the plurality of spine-shaped protrusions 21a by the connecting portions 21b.
And in the anti-skid tool 1E for a torso concerning Example 5, such a protrusion 21 is integrally fixed by sewing on the sheet | seat body 2 with the thread | yarn 22.
Of course, as a method for fixing the protrusions 21, not only sewing with the thread 22 but also fixing with an adhesive may be used.

In FIG. 7, the protrusion 21 is fixedly placed on the main surface side of the sheet body 2, but the protrusion 21 is disposed while the protrusion 21 a of the protrusion 21 penetrates the thickness direction of the sheet body 2. Then, the connecting portion 21b may be sewn with a thread 22 on the back side of the sheet body 2 (not shown). In this case, the risk of the protrusions 21 coming off from the sheet body 2 can be further reduced as compared with the case where the protrusions 21 are placed on the main surface side of the sheet body 2 and sewn.
As described above, when the protrusions 3 and the protrusions 21 are fixed to the sheet body 2 by using a fixing structure or a fixing member other than the adhesive, the protrusions 3 and the protrusions 21 are formed on the sheet body 2 using only the adhesive. As compared with the case of fixing, the protrusion 3 and the protrusion 21 can be fixed to the sheet body 2 more firmly. As a result, it is possible to further improve the safety of the operator 19 when using the anti-skid tool for the torso according to the invention.

Further, although not shown in particular, the anti-skid device for the ropes according to the first to fifth embodiments described above is integrally fixed to the sheet body 2 or provided separately from the sheet body 2 and You may provide the band-shaped 2nd fixing structure which can be tied up from the top of the anti-skid tool for the ropes concerning Example 1 thru | or Example 5 currently wound by the ropes 15. FIG.
Such a second fixing structure may be configured so that a simple string or band body can be tied and fixed, or a binding band (insulok) with a release structure may be used. Alternatively, a binding band (insulok) that does not have a release structure may be provided as a disposable member.
Then, when the above-described anti-skid device for the torso according to the first to fifth embodiments includes such a second fixing structure, the anti-skid device for the torso according to the first to fifth embodiments. Even if the first fixing structure 4 is detached for some reason during use, the anti-skid device for the torso according to the first to fifth embodiments is completely detached from the torso 15 by the second fixing structure. Can be prevented. That is, this 2nd fixing structure functions as a safety device in the anti-skid tool for trunks concerning Example 1 thru / or Example 5.
As a result, when the operator 19 climbs the tree trunk 18 using the rope 15 provided with the anti-skid device for the rope according to the first to fifth embodiments, the trunk 15 starts from the first to fifth embodiments. The anti-skid device for the torso according to Example 5 is removed, and the torso 15 can be suitably prevented from slipping on the surface of the tree trunk 18.
Therefore, it is possible to further improve the safety of the operator 19 when using the anti-skid anti-skid device according to the first to fifth embodiments.

According to the above-described anti-skid device for the ropes according to the first to fifth embodiments, the operator 19 attaches and uses it to the rope 15 shown in the above-described safety tool 13 so that the operator 19 can use the trunk 18 of the tree. It has the effect of improving the safety of the operator 19 when climbing up and down.
Furthermore, since the torso 15 does not directly touch the tree trunk 18 when the safety device 13 is used by providing the torso anti-skid device according to the first to fifth embodiments, damage to the torso 15 itself is prevented. Thus, it is possible to prevent the durability of the trunk 15 from being lowered.
Moreover, in the anti-skid tool for the torso according to the first to fifth embodiments as described above, the projection 3 has a sufficient bonding strength with respect to the sheet body 2, but from the sheet body 2 due to deterioration over time. The protrusion 3 is inevitable. When the anti-skid device for the ropes according to the first to fifth embodiments is deteriorated, all the protrusions 3 are not detached from the sheet body 2 at one time, and any one of the protrusions 3 is gradually dropped from the sheet body 2. I will take off. In this case, when the protrusion 3 starts to be removed from the sheet body 2, the operator 19 can recognize that the deterioration of the antiskid slipper according to the invention is progressing, and the antiskid slipper You can take measures such as quitting use or replacing with a new one.
Therefore, when climbing a tree trunk using the anti-skid device for the torso according to the first to fifth embodiments, the anti-skid device for the torso, which is the product of the invention, suddenly breaks down fatally. It is possible to avoid 19 falling accidents. Therefore, also from this point, the safety in the case of using the torso anti-skid device according to the first to fifth embodiments can be improved.
Further, the anti-skid device for the torso according to the first to fifth embodiments is obtained by inserting the end of the torso 15 into the expansion / contraction adjusting tool 16c that is the fixing bracket 16 in the safety device 13 shown in FIG. Since it can be attached to and detached from the torso rope 15, its handling is extremely easy. Therefore, according to the torso anti-skid device according to the first to fifth embodiments, it is possible to provide a torso anti-skid device that is extremely easy for the operator 19 to use.

  As described above, the present invention is easy to attach to and detach from a tree climbing safety device, and can improve the safety of the operator when climbing up and down the tree using this safety device. This is a stopper and a safety device provided therewith, and can be used in the technical fields related to maintenance and inspection of power facilities and forestry.

  DESCRIPTION OF SYMBOLS 1A-1E ... Slipper for trunk rope 2 ... Sheet | seat body 2a ... 1st layer 2b ... 2nd layer 3 ... Protrusion 3a ... Protrusion 3b ... Detachment part 4 ... 1st fixing structure 5a ... Surface fastener 5b ... Hook fastener 7 ... Anti-slip member 8 ... Grommet 9 ... Through hole 10 ... Hollow part 11 ... Insertion hole 12 ... Insertion part 12a ... Deformation part 13 ... Safety device 14 ... Hip rest 15 ... Torso rope 16 ... Fixing bracket 16a ... Stop ring 16b ... Hook 16c ... Expansion / contraction adjuster 17 ... Protective cover 18 ... Trunk 19 ... Worker 20 ... Crab 21 ... Protrusion 21a ... Protrusion 21b ... Connection part 22 ... Yarn

Claims (9)

It is used by winding on the peripheral side of the trunk that supports the operator's body when climbing a tree, and for slipping the trunk when the trunk is hooked on a tree trunk A non-slip tool,
A sheet body wound on the circumferential side of the torso,
A spinous protrusion made of a hard material and protruding toward the main surface of the sheet body;
And a first fixing structure for holding the sheet body in a cylindrical shape.   The slipper according to claim 1, wherein the protrusion is made of a steel material.   The slipper according to claim 1 or 2, wherein the protrusion penetrates at least part of the thickness direction of the sheet body. The protrusion includes a protrusion whose outer shape is tapered, and a retaining portion that is integrally provided on the bottom surface of the protrusion and has a planar shape wider than the bottom surface of the protrusion. ,
The said retaining part is embed | buried under the thickness part of the said sheet | seat body, or is distribute | arranged to the back surface side of the said sheet | seat body, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Anti-skid tool for torso.   The anti-skid tool for a torso according to any one of claims 1 to 4, wherein the protrusion is caulked on the sheet body.   The anti-skid device for a torso according to any one of claims 1 to 5, wherein the first fixing structure is a hook-and-loop fastener.   The anti-skid member for a torso according to any one of claims 1 to 6, further comprising an anti-slip member fixed at least in a region in contact with the torso in the sheet body. Ingredients.   The torso which is formed in a band shape and is provided integrally with or separately from the anti-skid device for the torso and around which the anti-skid device for the torso is wound is disposed above the anti-skid device for the torso. The anti-skid tool for a torso according to any one of claims 1 to 7, further comprising a second fixing structure for binding. A belt-like waistband wrapped around the operator's waist;
The torso, which is made of a leash and is attached to the waist rest via a fixing bracket,
9. A safety device comprising: the torso anti-skid device according to any one of claims 1 to 8, which is detachably attached to the torso rope.

Images