CN101402194A

CN101402194A - Belt assembly for carrying a manually operated work device

Info

Publication number: CN101402194A
Application number: CNA2008101619704A
Authority: CN
Inventors: J·哈伯莱因
Original assignee: Andreas Stihl AG and Co KG
Current assignee: Andreas Stihl AG and Co KG
Priority date: 2007-10-06
Filing date: 2008-10-06
Publication date: 2009-04-08
Also published as: EP2045047B1; DE102007048103A1; US20090090754A1; ES2432574T3; EP2045047A2; EP2045047A3

Abstract

A belt arrangement (1) for carrying a portable handheld work apparatus includes two shoulder carriers (3, 4) as well as a pelvis belt (6). Each shoulder carrier (3, 4) is connected with its two ends to the pelvis belt (6). The pelvis belt (6) is connected to a holder for the portable handheld work apparatus. A good carrying comfort is achieved in that at least one shoulder carrier (3, 4) includes an elastic region (29, 59) which permits an expansion of the shoulder carrier (3, 4) in longitudinal direction of the shoulder carrier (3, 4) and in that the shoulder carrier has a length limiter (30, 60) for the elastic region (29, 59) which limits the maximum expansion of the elastic region.

Description

The harness that is used for the portable hand-held toolroom machine

Technical field

The present invention relates to a kind of harness that is used for the portable hand-held toolroom machine.

Background technology

By the known harness of DE 19634670C2, it has shoulder belt and waistband.Support plate is set on waistband, can hangs up hand held power machine thereon.

Be in operation, not only by the waistband but also the weight of bearing toolroom machine by shoulder belt.The common liner type of shoulder belt ground constitutes and is that relative shape is stable therefore.When the operator moved, an one shoulder was positioned at lower than another shoulder, and the shoulder belt that is arranged on this shoulder may lift from shoulder.Make the operator produce shoulder belt thus and slide next situation from shoulder.This is uncomfortable for the user.

Summary of the invention

The objective of the invention is, realize being used for the harness of portable hand-held toolroom machine, it has better carries comfortableness.

This purpose is achieved by a kind of harness that is used for the portable hand-held toolroom machine, it has two shoulder harness and a waistband, wherein each shoulder harness is connected with waistband by two end, and wherein waistband is connected with the fixed body that is used for hand held power machine, according to the present invention, at least one shoulder harness has the elasticity position, this elasticity position allow shoulder harness shoulder harness vertically on elongation; And described shoulder harness has the length restriction mechanism that is used for the elasticity position, and this length restriction mechanism limits the maximum elongation at elasticity position.

When user's shoulder sank, the elasticity position of described shoulder harness made the contraction in length of shoulder harness.Avoid shoulder harness to lift shoulder harness servo-actuated thus from user's shoulder.Realize that in simple mode harness better carries comfortableness thus.Length restriction mechanism guarantees simultaneously, is arranged on the harness and by the user fully fixedly the time, the weight of toolroom machine can receive by fixing length restriction mechanism at toolroom machine, and toolroom machine is in servicely remained on the harness regularly normal.Can realize good operation by the toolroom machine that is arranged on the harness thus.

Two shoulder harness advantageously have elasticity position and the length restriction mechanism that is used for the elasticity position.For because working method may cause user's asymmetric fixing braces, there is the danger of only on a shoulder harness, lifting thus, but also can only on a shoulder harness, be provided with elasticity position and length restriction mechanism for this braces.

At least one shoulder harness had be used for the connecting band that is connected with waistband by shoulder belt and the front end that is used to make shoulder belt that is placed on user's shoulder.At this shoulder belt is advantageously constituted on liner type ground, and linkage section is made of strip, be used for not limiting user's freedom of motion.Described elasticity position is arranged on the connecting band.Length restriction mechanism constitutes by the intercept of connecting band aptly.Usually act on the power on the connecting band for being in operation, connecting band extends on vertically at it not obviously.Can make connecting band as length restriction mechanism thus.Parts that need not to add for length restriction mechanism thus.The elasticity position is made of elastic webbing.Described elastic webbing can be provided in later on the existing harness

Favourable make elastic webbing at least two each other apart fixed position be connected with connecting band.Can stipulate that described length restriction mechanism arches upward the elasticity position under the not loaded state of shoulder harness between two fixed positions.Advantageously be provided with at least three fixed positions that are provided with mutually with uniform distances.Can reach sufficiently long elasticity position thus, can make simultaneously the drift that is separately positioned on two intercepts between the fixed position of length restriction mechanism keep small relatively, thus by not hindering the user owing to the intercept that length restriction mechanism has arched up at the elasticity position.Advantageously such design length limiting mechanism and elasticity position when the maximum elongation of elasticity position, make length restriction mechanism by being placed on the elasticity position.Substantially be positioned on the identical height and the weight of toolroom machine is evenly distributed in common in service on two shoulder harness substantially at two shoulders of user, advantageously extend the biglyyest at the elasticity position of shoulder harness.Therefore under this common running status, elasticity position and length restriction mechanism work as the intercept of known braces.By making length restriction mechanism by being placed on the elasticity position, obtain thinner structure, avoid hindering the user thus.

But also can stipulate, the elasticity position is constituted by at least one elastomer of shoulder harness.The elasticity position is constituted by a plurality of elastomers of shoulder harness.Advantageously inweave the shoulder harness the inside at this elastomer.Therefore the elasticity position that constitutes by another or other elastomer is the integrated part of connecting band of integrated part, the especially shoulder harness of shoulder harness.Length restriction mechanism constitutes by at least one fiber of shoulder harness aptly, and its elastic modelling quantity is greater than, preferred many times of elastic modelling quantity greater than elastomer.Use stiff fiber for length restriction mechanism aptly.Non-elastic fiber at this shoulder harness can be such fiber, is promptly made the connecting band of shoulder harness, especially shoulder harness in common mode by this fiber.This fiber does not have tangible length elongation for the common active force that is in operation.Elasticity position and length restriction mechanism can constitute thus, promptly additionally inweave elastomer in known connecting band.This elastomer especially shoulder harness or connecting band vertically on extend.

The fixed body that advantageously is used in toolroom machine is in operation and is being arranged on below the waistband on user's thigh height of harness.Can realize the work of human factor engineering ground thus.Preferred fixed body comprises support plate, and it has the fixture that is used for toolroom machine.Having the support plate that is used for the toolroom machine fixture is favourable when especially using harness on cutting machine or similar devices.But can stipulate that also described fixed body comprises the body that holds that is used for toolroom machine, in this case, toolroom machine is eminence manipulator (Hochentaster) or similar devices especially, and it is in operation from below by holding body protection.

It is uncovered that described waistband is constituted, and wherein the rearward end of waistband is connected with the fixed body that is used for hand held power machine with leading section.Harness comprises the side band aptly, and its leading section is connected with the leading section of waistband.Can receive side force well by harness thus.This harness especially comprises backboard.This advantageously the rearward end of side band be fixed on the backboard.The rearward end of shoulder belt also advantageously is fixed on the backboard and therefore and is connected with waistband by backboard.In order to import active force well, be provided with the load band, it is connected with the rearward end of waistband by an end, and is connected with shoulder harness by the other end, especially is connected with the rearward end of shoulder belt.

Description of drawings

Describe embodiments of the invention in detail by means of accompanying drawing below.In the accompanying drawing:

Fig. 1 illustrates the harness that is used for the portable hand-held toolroom machine with schematic isometric from the front,

Fig. 2 illustrates the harness of Fig. 1 from behind,

Fig. 3 goes out the harness of Fig. 1 and 2 with three-dimensional icon,

Fig. 4 goes out the embodiment of the harness of Fig. 3 with three-dimensional icon,

Fig. 5 goes out to have the not loaded state at elasticity position of the shoulder harness of length restriction mechanism with three-dimensional icon,

Fig. 6 goes out the loaded state of intercept of the shoulder harness of Fig. 5 with three-dimensional icon,

Fig. 7 illustrates harness with stereogram,

Fig. 8 illustrates the not loaded state at the elasticity position of the shoulder harness with length restriction mechanism with schematic isometric,

Fig. 9 illustrates the intercept of the shoulder harness of Fig. 8 with schematic side,

Figure 10 illustrates the loaded state at elasticity position of the shoulder harness of Fig. 8 and 9 with side view.

The specific embodiment

Harness 1 shown in Figure 1 is used for the portable hand-held toolroom machine, for example cutting machine or similar devices.For the position that shows that harness 1 is in operation, be illustrated in harness 1 on the user 50 who schematically illustrates.This harness 1 has two shoulder harness, promptly left shoulder harness 3 and right shoulder harness 4.On this mark " left side ", " right side ", " preceding " and " back " or similar expression are benchmark with user 50 respectively.Therefore left shoulder harness 3 is arranged on user 50 the left side shoulder, and right shoulder harness 4 is arranged on user's 50 right shoulders.

Left side shoulder harness 4 has shoulder belt 7, and it is fixed on the backboard 2 by end thereafter, the end 13 that promptly is arranged on user's 50 back.Shoulder belt 7 liner type ground constitute, and are in operation and guide on user 50 shoulder.Shoulder belt 7 has length adjusting mechanism 15 on end 14 its front, that be arranged on user's 50 chests, fixedly connected thereon with 9 leading section 16.On the shoulder of user's the right side shoulder belt 8 is set, it and shoulder belt 7 constitute symmetrically and are fixed on equally on the backboard 2 by end 13 thereafter.Two rearward end 13 positions 18 on backboard 2 are fixed on the backboard 2.Shoulder belt 8 is connected with the leading section 16 of connecting band 10 by length adjusting mechanism 15 on its leading section 14.The rearward end 17 of connecting band 10 is fixed on the waistband 6.As shown in Figure 2, connecting band 9 also is connected around user 50 side guiding and with waistband 6.Two connecting

bands

9,10 are connected with waistband 6 at back position, user 50 side.

Waistband 6 constitutes uncovered and has leading section 21 and rearward end 22.Connecting band 10 is connected with waistband 6 at rearward end 22 places.The following position 19 of backboard 2 is fixed on the waistband 6.The leading section 21 of waistband 6 is connected with side band 5 by compensating band 25.Side band 5 is by being placed on user 50 sides.In an embodiment, side band 5 is by on the left surface that is placed on user 50.Side band 5 towards backboard 2 guiding and in the above position 18 be fixed on the backboard 2, or be fixed on the rearward end 13 of shoulder belt 7 and 8.Be arranged on user 50 back and be connected with 8 or backboard 2 in the rearward end 38 of this side band 5 with shoulder belt 7.Side band 5 and waistband 6 liner type ground constitute.

Compensating band 25 is fixed on the leading section 21 of waistband 6 by an end, and is fixed on by the other end on the leading section 37 of side band 5.Pass fixed mechanism 26 at this compensating band 25, be fixed on the compensating band 25 this fixed mechanism vertical misalignment.Fixed support plate 11 on fixed mechanism 26, and it has and is used to make hand held power machine to be fixed on supporting hanger 12 on the support plate 11.Support plate 11 is connected with the supporting strap 24 of compensating band 25 by front end, and it is fixed on the adjusting device 28 of mating member 27 of fixed mechanism 26.The length of the supporting strap 24 of front end can be mated according to adjusting device 28.Supporting strap 23 by the back is connected with the rearward end 22 of waistband 6 support plate 11 towards the back.Length adjustment for the supporting strap 23 of back has at the guiding mechanism shown in Fig. 2 32.

Extend fixed band 20 between two

shoulder belts

7 and 8 on user 50 back, it is fixed on the

shoulder belt

7,8 by the end respectively and advantageously flexibly constitutes.On backboard 2, extend load between the rearward end 22 of position 18 and waistband 6 and be with 31.

As shown in figs. 1 and 3, on connecting

band

9 and 10, be adjacent to have elasticity position 29 respectively with the rearward end 17 of connecting band 9 and 10.This elasticity position 29 is made of elastic webbing and rubber strip advantageously.Constitute length restriction mechanism 30 on elasticity position 29, it itself constitutes by connecting band 9 and 10.Elasticity position 29 allow shoulder harness 3 and 4 connecting

band

9 and 10 vertically on elongation, this vertically in Fig. 3 by double-head arrow 35 expressions.At the not loaded state shown in Fig. 1 and 3, promptly ought not have toolroom machine to be fixed on the harness 1 in, does not extend at elasticity position 29.Do not use length restriction mechanism 30.

Harness 1 shown in Figure 2 and cutting machine 33 disposed thereon.This cutting machine has guide pipe 34, by it cutting machine 33 is fixed on the supporting hanger 12 (Fig. 1) of support plate 11 by the fixed mechanism that is fit to.In this loaded state of harness 1, extend as shown in Figure 2 the biglyyest at elasticity position 29.This maximum elongation amount is determined by length restriction mechanism 30.Active force on shoulder harness 3 and 4 is by length restriction mechanism 30, promptly by connecting

band

9 and 10 importings.

A shoulder sinks if user 50 makes one from fixed position shown in Figure 2, and then corresponding shoulder harness 3,4 lifts from shoulder in common harness.Because shorten with respective amount ground when shoulder sinks at elasticity position 29, eyebrow braces.So shoulder harness 3,4 servo-actuateds.Avoid shoulder harness 3,4 to lift thus from user 50 shoulder.

The embodiment of support plate 11 ' shown in Figure 3.Replace supporting hanger 12 to have the hook 36 that is used for fixing toolroom machine such as cutting machine 33 here.In this embodiment, supporting

strap

23 and 24 is fixed on support plate 11 ' or the support plate 11.But supporting

strap

23 and 24 also can be made of common supporting strap, and this supporting strap extends through support plate 11,11 '.

Fig. 4 illustrates the embodiment of harness 1, and what wherein be provided for toolroom machine such as eminence manipulator or similar devices on harness 1 holds body 39.Holding body 39 also is fixed on the harness 1 by supporting strap 23 and 24.Have fixed band 40 in the bottom holding on the body 39, it can twine user 50 thigh and make and hold on the thigh that body 39 is fixed on user 50.As shown in the figure, not only support plate 11, and 11 ' and hold body 39 all on the thigh height that is arranged on user 50 below the waistband 6.

Fig. 5 and 6 illustrates elasticity position 29 and length restriction mechanism 30.At connecting band 10 shown in Fig. 5 and 6.Correspondingly constitute connecting band 9.On connecting band 10 on 4 fixed positions 41,42,43,44 altogether fixing elastic webbing 46, its constitutes elasticity position 29.Elastic webbing 46 for example can be rubber strip or like.The not tensioning length c of the elastic webbing 46 between the fixed position 41 and 44 in two outsides less than between two on the connecting band shown in Fig. 6 10 fixed positions 41 and 44 in the outside apart from d.Make connecting band 10 move to together and make elastic webbing 46 arc ground between two adjacent fixed positions, to arch upward respectively thus at tensioning state not.All fixed positions 41,42,43,44 have identical apart from a each other at tensioning state not.

The tensioning state of connecting band 10 shown in Figure 6.Power works in the vertical on connecting band 10, and it is by arrow 45 expressions.Because power makes elastic webbing 46 tensionings.Elastic webbing 46 with corresponding to fixed position 41 and away from fixed position 44 between the length tensioning apart from d.Form length restriction mechanism 30 connecting band 10 the same tensioning of intercept and by being placed on the elastic webbing 46.For in 46 maximum elongations of the elastic webbing shown in Fig. 6, fixed position 41,42,43,44 have ultimate range b each other, and this distance is identical for adjacent fixed position advantageously.

When the vertical upward force of connecting band 10 continues to improve, because the shape stability of connecting band 10 can not realize the length variations that continues in the vertical.Connecting band 10 works as the common connecting band that does not have the elasticity position from this power that acts in the vertical.This is the common state that connecting band 10 is in operation.

Elastic webbing 46 and connecting band 10 are for example sewed up in the fixed position on 41,42,43,44 mutually.Also can advantageously use other technique for fixing.

Elasticity position 29 also can be integrated into connecting band 10 the insides, for example by making connecting

band

9,10 rubber-likes and inelastic substantially in the vertical fiber, they weave in the mode that is fit to each other, are used for allowing elongation and making elongation be limited in the maximum elongation amount simultaneously with small power.In this point shown in the embodiment of Fig. 7 to 10.Have elasticity position 59 in the harness shown in Fig. 71, they form the intercept of connecting

band

9 and 10 respectively.Harness 1 structure among Fig. 7 is corresponding to the structure in the harness shown in Fig. 31.Identical label symbol is represented identical parts.Elasticity position 59 constitutes at length restriction mechanism 60 places respectively.

Fig. 8 and 9 illustrates the structure at elasticity position 59.At 59 places, elasticity position, inweave elastomer 61 at connecting

band

9 and 10 the insides, they connecting

band

9 and 10 vertically on extend.In Fig. 8, only be illustrated in the vertical upwardly extending fiber of band.Be secured together and advantageously inelastic horizontal fibers for the not shown fiber of longitudinal extension that makes of reason clearly.Shown in Fig. 8 and 9, elastomer 61 connects with connecting

band

9,10 having limited on two fixed positions 63 at elasticity position 59 respectively.Elasticity position 59 also has length restriction mechanism 60, and it constitutes by inelastic substantially fiber 62, and these fibers extend vertically going up of connecting

band

9,10 equally.Inelastic fiber 62 is the fiber of connecting

band

9,10 advantageously.As shown in Figures 9 and 10, elastomer 61 extends vertically going up of connecting

band

9,10 substantially.Be arranged between two fixed positions 63 to inelastic fiber 62 waveforms.

As shown in Figure 9, elasticity position 59 has length e at the not loaded state of connecting band 9,10.Under loaded state, the length of connecting

band

59,60 is increased to length f in elasticity position 59, and it is shown in Figure 10.Between two link positions 63, measure length f.Under loaded state, elastomer 61 and inelastic fiber 62 are positioned at the inside, plane of connecting band 9,10.Length f is corresponding to the length of the inelastic fiber between the fixed position 63 62.

Can stipulate that at least one elastomer 61 forms elasticity position 59, and at least one fiber 62 forms length restriction mechanism 60 with the elastic modelling quantity bigger than elastomer.Use inelastic fiber 62 for length restriction mechanism aptly.Under loaded state shown in Figure 10, inelastic fiber 62 or fiber are moved stop to bigger elastic modelling quantity.

Claims

1. the harness that is used for the portable hand-held toolroom machine has two shoulder harness (3,4) and a waistband (6), wherein each shoulder harness (3,4) is connected with waistband (6) by two end (13,17), and wherein waistband (6) is connected with the fixed body that is used for hand held power machine, it is characterized in that at least one shoulder harness (3,4) has elasticity position (29,59), this elasticity position allows shoulder harness (3,4) to extend vertically going up of shoulder harness (3,4); And described shoulder harness (3,4) has the length restriction mechanism (29,59) at the elasticity of being used for position (29,59), and this length restriction mechanism limits the maximum elongation at elasticity position (29,59).

2. harness as claimed in claim 1 is characterized in that, two shoulder harness (3,4) have elasticity position (29,59) and are used for the length restriction mechanism (30,60) at described elasticity position (29,59).

3. harness as claimed in claim 1 is characterized in that, at least one shoulder harness (3,4) have and be used for by being placed on the shoulder belt (7 on user (50) shoulder, 8) and the connecting band (9,10) that is used to make the front end (14) of shoulder belt (7,8) to be connected with waistband (6).

4. harness as claimed in claim 3 is characterized in that, described elasticity position (29,59) is arranged on the connecting band (9,10), and wherein length restriction mechanism (30,60) constitutes by the intercept of connecting band (9,10).

5. harness as claimed in claim 3 is characterized in that, described elasticity position (29) is made of elastic webbing (46), and described elastic webbing (46) at least two each other apart fixed position (41,42,43,44) go up and connecting band (9,10) connection.

6. harness as claimed in claim 5 is characterized in that, described length restriction mechanism (30) is arching upward elasticity position (29) between two fixed positions (41,42,43,44) under the not loaded state of shoulder harness (3,4).

7. harness as claimed in claim 5 is characterized in that, is provided with at least three fixed positions (41,42,43,44) that are provided with mutually with uniform distances (a).

8. as claim 2 or 7 described harness, it is characterized in that when the maximum elongation of elasticity position (29), length restriction mechanism (30) is by being placed on the elasticity position (29).

9. harness as claimed in claim 1 is characterized in that, described elasticity position (59) constitutes by at least one elastomer (61) of shoulder harness (3,4), and wherein said elastomer (61) inweaves shoulder harness (3,4) the inside.

10. harness as claimed in claim 1 is characterized in that, described length restriction mechanism (60) constitutes by at least one fiber (62) of shoulder harness (3,4), and described at least one fiber has many times higher elastic modelling quantity.

11. harness as claimed in claim 1, it is characterized in that, user (50) the thigh height that the fixed body that is used for toolroom machine is in operation and approximately is arranged on harness (1) below waistband (6), and described fixed body comprises support plate (11,11 '), this support plate has the fixture of holding body (39) that is used for toolroom machine or is used for toolroom machine.

12. harness as claimed in claim 1, it is characterized in that, described waistband (6) constitutes uncovered, wherein the rearward end (22) of waistband (6) is connected with the fixed body that is used for hand held power machine with leading section (21), and harness (1) also has side band (5), and the leading section of this side band (37) is connected with the leading section (21) of waistband (6).

13. harness as claimed in claim 1 is characterized in that, harness (1) has backboard (2), and wherein the rearward end (13) of the rearward end (38) of side band (5) and shoulder belt (7,8) is fixed on the backboard (2).

14. harness as claimed in claim 1 is characterized in that, is provided with load band (31), this load band is connected with the rearward end (22) of waistband (6) by an end, and connects by the other end and shoulder harness (3,4).

15. harness as claimed in claim 14 is characterized in that, described load band (31) is connected with the rearward end (22) of waistband (6) by an end, and connects by the rearward end (13) of the other end and shoulder belt (7,8).