CN1988935B

CN1988935B - Abseiling device having a winch function

Info

Publication number: CN1988935B
Application number: CN2006800003554A
Authority: CN
Inventors: 吉多·罗格
Original assignee: MITTELMANN SICHERHEITSTECHNIK
Current assignee: MITTELMANN SICHERHEITSTECHNIK; MITTELMANN SICHERHEITSTECHNIK GmbH and Co KG
Priority date: 2005-03-09
Filing date: 2006-03-06
Publication date: 2010-12-08
Anticipated expiration: 2026-03-06
Also published as: ATE413212T1; DE202006020127U9; DE112006001931B4; CN1988935A; DK1758656T3; EP1758656A1; DE502006001987D1; US20080128221A1; DE202006020127U1; WO2006094486A1; ES2317508T3; DE102005010767B4; AU2006222451A1; EP1994960A1; AU2006222451B2; DE102005010767A1; EP1758656B1; DE112006001931A5

Abstract

The invention relates to an abseiling device having a winch function, comprising a guide roller (2) which is mounted so that it can rotate in both directions and is intended for the non-slip guidance of a rope element (15), a transmission mechanism with a centrifugal brake (7), the large gearwheel (4) of which mechanism is mounted securely against torque on a common shaft (3) with the guide roller (2), and a hand crank (8) for manually actuating the winch function, which acts on the drive shaft (6) of the small gearwheel (5) of the transmission mechanism. Positive locking of the abseiling device at a point which is less subject to loading and thus ensures greater safety is provided according to the invention by virtue of the common shaft (3) of the guide roller (2) and large gearwheel (4) being able to be locked positively.

Description

The edge rope of tape wrapping function slides equipment

Technical field

What the present invention relates to a kind of tape wrapping function slides equipment (abseiling unit) along rope.

Background technology

In order to succour the people from eminence, for example from rescue people such as the high building that catches fire, tower, scaffolds, the known setting aloft along rope slided equipment, be provided with along the rope slide under the situation of equipment, the rescuee is fixed to draw-gear, for example on the rope, the mode with non-slip is directed draw-gear in the equipment sliding along rope.When draw-gear carried rescuee's weight, draw-gear moved past the directive wheel of the equipment that slides along rope, slided at the edge rope and was provided with brake in the equipment to limit the speed that slides along rope.As a result, do not help by the outside and unfavorable personnel selection itself in vigorous health, the people just can restrict and slide in the edge in a controlled manner from eminence.The edge rope of described type slides equipment and often has rising speed changer (step-up transmission) so that fast rotational axle that is connected on the brake and the rotating shaft at a slow speed that supports directive wheel to be provided.

In DE198 18 688C1, disclose a kind of edge rope that utilizes hook to be suspended on the place, fixed position and slided equipment, wherein on directive wheel, be connected to the directive wheel braking of centrifugal brake by the rising speed changer with the drag rope utilization of non-sliding type guiding.

A kind of rise and rescue aid (working equipment of tape wrapping function) are disclosed in CH 364 180A, wherein, utilize be formed on the rope cylinder on the lock pin that matches of groove the physical location of rope cylinder (directive wheel) is set.

Above-mentioned open by DE 102 10 969A1 along the equipment that slides of restricting.Herein, fast rotational axle extend through slides the shell of equipment along rope, and has hand-crank.As a result, the fast rotational axle becomes driving shaft.As a result, sliding equipment along rope has increased additional winding function, and it has utilized the gear ratio between guide wheel shaft and braking and the driving shaft.What increase winding function by this way obviously has multifunctionality along the occasion of the equipment that slides for needs rescue people of restricting.Therefore, assistant can utilize winding function so that will get into a difficult position or be in people's pull-up of lower height when beginning, utilizes the edge rope to slide function then above-mentioned people is slided along rope fast and reliablely.And people can select to utilize be fixed on the person and sliding equipment themselves risen to eminence by themselves operation along rope.Herein, if promote own people aloft or occur unexpectedly in the lifting process, slide function along restricting and to guarantee people's safety all the time.After discharging hand-crank, utilize along rope and slide function, do not need themselves effort, they just can slide along rope.

In DE 102 10 969A1 and CH 364 180A, hand-crank and locking mechanism all are arranged in the same side of speed changer under every kind of situation, in DE 102 10 969A1, at the outlet side place of single-stage spur gear speed changer, in CH 364 180A, at the input side place of twin-stage spur gear speed changer.

Similarly, know, the stop device that acts on the fast rotational driving shaft is being set on the hand-crank, be used for control and slide equipment along rope by DE 102 10 969A1.Because by matching with the stop screw rod, even the user also can discharge along rope and slides equipment when hanging load, so the excellent operation of user and described device permission winding function, otherwise cause load to be slided along rope.But, arrange that at fast rotational driving shaft place positive lock mechanism (positivelocking device) causes high wearing and tearing risk, therefore owing to the high rotation speed at described device feature place, can produce serious safety problem.

Know a kind of manual coiling machine by DE 177 841A, wherein forming stop pulls, the described stop converter that can make the manual coiling machine of pulling has two stopping wheels, described stopping wheel is disposed adjacent one another and in the opposite direction have an inhibition, wherein, by making gear lever enter an obliquity or other obliquity, match with during two stop are pulled one, and another stop is pulled to break away from simultaneously and is cooperated.Herein, the gear lever that can be fixed to any inclination is coupled in the groove that stop pulls by the pin that is installed in both sides, makes described pulling cooperate and break away from cooperation simultaneously.

Summary of the invention

The technical problem that the present invention is based on is to slide the positive lock mechanism of equipment in the few location arrangements of loading along rope, thereby guarantees safer.

The present invention slides equipment by a kind of edge rope and realizes described purpose, and described equipment comprises: directive wheel, and it is installed into and can rotates on both direction, is used for the non-slide-and-guide of draw-gear; The rising speed changer, it comprises centrifugal brake, its gear wheel is installed in the torque fixed form on the common axis with directive wheel; Hand-crank, its driving shaft with the pinion of rising speed changer matches, and is used for manually carrying out winding function; The positive lock device that is used for positive lock rising speed changer on the stand under load direction of rotation; It is characterized in that: speed changer can rotate freely on the direction opposite with described stand under load direction of rotation if the rising speed changer by described positive lock device positive lock, then rises.The common axis of described described directive wheel of positive lock device positive lock and described gear wheel.

Herein, the function of hand-crank and lock out action is distributed between input side and the outlet side.Arrange that on the common axis of rotation at a slow speed of directive wheel and gear wheel the positive lock device has following advantage: in the traditional design of rising speed changer, the rotary speed of described common axis is than low roughly order of magnitude of speed of the driving shaft of pinion, therefore obviously reduce wear problems, eliminated security risk.

In a particular embodiment, lock out action can be switched on any direction of rotation and act on.This has following advantage: lock out action can be by simply manually being clamped in winding function and sliding between the function and change along rope, and needn't discharge described equipment.Described selection is very helpful and favourable, for example slings by rescue people's position at the maintenance rope that utilizes the employment security rule predetermining.

In order to keep rope to untie, discharge the person's of slinging load (weight) when keeping rope to begin on one's body from the rescuee.The winding function that slides equipment along rope is used to this function.

Before keeping rope to untie, the winding function that slides equipment along rope is forced to locking.Afterwards, by simple manually clamping lock out action is switched to the edge rope and slide function.Like this, the rescuee can guarantee safety automatically from the whole process that keeps rope to untie.Afterwards, make along rope and slide sliding function along rope and can using of equipment by discharging lock out action.

In a particularly advantageous embodiment, provide changeable lock out action by ratchet.In the embodiment of another safety condition of satisfying the demand equally, utilize the spring loading bolt that lock out action is provided.

Description of drawings

Essence of the present invention and advantage will become clear by the illustrative embodiment that accompanying drawing is described.

Fig. 1 is the partial sectional view that slides equipment along rope; And

Fig. 2 is the side view that drives a side that deviates from that slides equipment along rope.

The specific embodiment

In Fig. 1, the locking device of ratchet form (torque-secure) mode of being fixed with torque is fixed on the common axis 3 of directive wheel 2 and gear wheel 4 at the left-hand side place that slides equipment 1 along rope.Rising speed changer with gear wheel 4 and pinion 5 (being the form of pinion in described exemplary embodiment) is positioned at the right hand portion of housing.Centrifugal brake 7 is installed on the driving shaft 6 with flange forms at the right-hand side place.

Show at right-hand side place far away with the torque fixed form and be fixed to manual bent axle 8 on the driving shaft 6, described driving shaft 6 extends to outside the housing.Can see the handle 9 of expanded position in the bottom of hand-crank 8.Handle 9 can be folded in the housing of manual bent axle 8, thereby is sliding in the function along rope, and handle does not reach outside the profile of manual pulley, and the result has eliminated injured risk or unbalanced danger, and these all are incidental under high rotary speed.

In Fig. 2, can be clear that with the torque fixed form and be fixed to ratchet shaft 11 on the common axis 3 of directive wheel 2 and gear wheel 4.Crown gear 16 is fixed on the ratchet shaft 11, and spring loads stop and pulls and 12 and 14 can match with described crown gear.Herein, stop is pulled and 12 is prevented to be rotated counterclockwise, and stop is pulled and 14 prevented to turn clockwise.Spring-loaded result is if they do not deflect away from cooperation position, and pulling by converter 13 stop is pivoted in the tooth of crown gear 16 automatically.

Reference numeral:

1 edge rope slides equipment

2 directive wheels

3 common axis

4 gear wheels

5 pinions

6 driving shafts

7 centrifugal brakes

8 manual bent axles

9 handles

10 ratchets

11 ratchet shafts

12 springs load stop and pull

13 direction of rotation converters

14 springs load stop and pull

15 draw-gears

16 crown gears

Claims

1. the edge rope of a tape wrapping function slides equipment, comprising:

Directive wheel (2), it is installed into and can rotates on both direction, is used for the non-slide-and-guide of draw-gear (15);

The rising speed changer, it comprises centrifugal brake (7), its gear wheel (4) is installed in the torque fixed form on the common axis (3) with directive wheel (2);

Hand-crank (8), its driving shaft (6) with the pinion (5) of rising speed changer matches, and is used for manually carrying out winding function;

The positive lock device (12,14) that is used for positive lock rising speed changer on the stand under load direction of rotation;

It is characterized in that: the common axis (3) of described directive wheel of described positive lock device (12,14) positive lock (2) and described gear wheel (4), and,

Speed changer can rotate freely on the direction opposite with described stand under load direction of rotation if the rising speed changer by described positive lock device (12,14) positive lock, then rises.

2. edge according to claim 1 rope slides equipment, and it is characterized in that: positive lock can be converted on arbitrary direction of rotation and act on.

3. edge according to claim 1 rope slides equipment, it is characterized in that: described positive lock device (12,14) comprise and be used to make spring to load the stop direction of rotation converter (13) that (12,14) and the crown gear (16) of common axis (3) optionally match of pulling.

4. edge according to claim 1 rope slides equipment, and it is characterized in that: positive lock utilizes ratchet (10) to provide.

5. edge according to claim 1 rope slides equipment, and it is characterized in that: positive lock utilizes the spring loading bolt to provide.

6. edge according to claim 1 rope slides equipment, and it is characterized in that: described positive lock device (12,14) can cooperate forcibly with the part (11) of the common axis with crown gear (16) (3).

7. edge according to claim 1 rope slides equipment, and it is characterized in that: the rising speed changer is placed in the housing.

8. edge according to claim 7 rope slides equipment, and it is characterized in that: described housing comprises first housing section and second housing section.

9. edge according to claim 8 rope slides equipment, and it is characterized in that: common axis (3) partly is arranged in each of described first housing section and described second housing section.

10. edge according to claim 8 rope slides equipment, and it is characterized in that: driving shaft (6) partly is arranged in each of described first housing section and described second housing section.

11. edge according to claim 8 rope slides equipment, it is characterized in that: housing section is used at least one screw assembling.