KR100460341B1 - Device and method for receiving and holding or distributing harness elements - Google Patents

Abstract

The invention relates to a device for receiving and holding harness elements (LA, LI), notably drop wires (LA) for weaving machines, between two opposite retaining surfaces (24, 25). The device is characterized by a first piston (26) which has a first retaining surface (24) and can be displaced in a first cylinder (28) and a second piston (27) which has a second retaining surface (25) and can be displaced in a second cylinder (29). The invention also relates to preferred embodiments of said device (23), such as its arrangement in a rotating head (22). The invention further relates to a method for receiving, holding and distributing harness elements (LA, LI), notably drop wires (LA) for weaving machines, by means of a corresponding system (20), in which the operating steps reception, alignment, holding, transport and hand-over of a drop wire (LA) are carried out using a rotating head (22) of the type provided for in the invention and the take-over, transport and output of the drop-wire are effected by means of a distributor carriage (33).

Description

DEVICE AND METHOD FOR RECEIVING AND HOLDING OR DISTRIBUTING HARNESS ELEMENTS} Devices and systems for picking up, securing and distributing harness elements

Dropwires of the type described above are retained in the magazine in large numbers and introduced into drop wire separators for light wares, for example, as disclosed in CH 687 027.

The separation characteristic of the type described above is that the drop wire bends or expands by moving in the center region away from the second drop wire, which can be fixed in a simple manner.

It is also known that the height of the thread eye of the drop wire is adjusted via a contact rail slot formed in the upper region of the harness element.

The contact rail slot is used to transport or suspend the harness element or drop wire. A general type of apparatus and method for the distribution of drop wires used in weaving machines is disclosed, for example, in CH 682 577.

The system picks up the drop wires at the split point and secures them in a first step to a so-called carousel or drawboire dispensing module (see FIGS. 3 and 7) which holds the drop wires and transports them to the trough point. Here the thread is passed through the drop wire child. This is done for example by means of a trough device described in CH 679 598.

In a second step the drop wires are conveyed to the dispensing point with the barrel and aligned on one or more conveying means, such as contact rails.

Although the use of curocells is advantageous and thus the number of faulty interfaces and resources between individual parts of the war race is reduced, the curocells are at risk of false traffic, especially when so-called skip repeats are performed, i.e. When a drop wire with a diameter canonical thread is normally distributed in the intended order to the conveying means or contact rails in which a large number are arranged next to each other, in this case the skipping repetition is for example a drop wire 1, 4, 2, 5, It is understood that the contact rails are arranged next to each other in the order of 3,6 or in the order of 3,4,2,5,1,6 and for example here in six consecutive orders.

A first aspect of the invention relates to a device and a method for picking up and securing a drop wire for a weaving machine in a harness element, in particular in a warp machine.

A second aspect of the invention relates to an apparatus and method for dispensing said harness elements to a vehicle constituting an arrangement in a weaving machine.

1 is a perspective view of a light aircraft according to CH 682 577.

2 is a perspective view of a diameter module of the diameter of FIG.

3 is a partial perspective view of a system according to the present invention for picking up, securing and dispensing drop wires as part of a light aircraft.

4 is a cutaway view of the device for the pickup and fastening harness element.

4A shows the fastener open and unfolded.

4B shows the fastener closed and unfolded.

4C shows the fastener closed and folded.

* Code Description

1: base frame 2: canon beam carriage

3: canon beam 4: lift

5: Frame 6: Detaching

7: diameter needle 8: monitor screen

9: control cabinet 11: feed rail

12: Transport Rail 16: Gripper Strip

17: Clamping Gripper 18: Guide

19: end portion 24, 25: fixed surface

26, 27: piston 29: cylinder

31,31 ': Recovery element 52: Feed point

It is an object of the present invention to limit an apparatus and method having a harness element in which drop wires and the like can be picked up and secured and the skip repetition can be managed while the drop wire is being dispensed.

According to a first feature, this is a device for picking up and securing the harness element, which is a feature of claim 1, in particular a drop wire for a weaving machine between two opposing fixed surfaces, which can move in a first cylinder with a first fixed surface. And a second piston that is movable in the second cylinder and has a second fixed surface. Preferred embodiments are also shown in the dependent claims 2 to 13.

According to a second feature, this object is achieved by the proposed method for picking up, securing and dispensing a harness element according to claim 14, in particular the dropwire for the weaving machine comprising the following operating steps:

-Pick up the drop wire at the split point,

-Arrange dropwires picked up to a specific point,

-Drop the wire to the cut point,

-Hold the drop wire while the seal is perforated,

-Transfer the drop wire to the transfer point;

A device according to one or more of claims 1 to 8 is used for picking up, fixing and transporting a drop wire. Preferred embodiments are shown in dependent claims 15 to 17.

In the following, devices and embodiments of the invention are shown in the drawings in an illustrative form without limiting the scope of the invention.

1 shows a war game. It consists of a base frame 1 and various subassemblies, each arranged side by side in the form of a structural module.

On the front of the base frame 1 can see a canon beam carriage 2 having a canon beam 3 arranged on its side. The cantilever beam beam carriage 3 also comprises a lifting device 4 which fixes the frame 5 on which the cantilever KF is drawn.

The canal beam carriage 2 having the cantilever beam 3 and the elevating device 4 for telescopic work is moved to the so-called canal side of the canal, and the frame 5 is lifted up by the elevating device 4 and suspended. Here is the location shown.

The frame 5 and the canonical beam 3 are arranged in the longitudinal direction of the base frame 1. During this arrangement, the forward slope (KF) is separated and divided through the yarn separation step (6). After being divided, the cantilever is cut and goes to a barrel needle 7 which forms an element of the so-called barrel module.

Like the data entry, next to the telescopic needle 7 is shown a monitor screen 8 which is used to display the machine function and the machine fault function and belongs to the operating station.

The operating station is part of the so-called programming module and also includes an input step for manual entry of specific functions and sequences. The control of the tiller is arranged in the control cabinet 9 and is carried out by a control module comprising a control computer.

The control computer preferably comprises a separate modular computer for each functional module, which is controlled and monitored by the control computer.

In addition to the above-described modules, the main module of the game machine also includes a heald module, a drop wire module and a reed module.

The thread separating step 6 indicating that the forward slope KF is pulled into the narrow needle 7 and the driving passage of the narrow needle 7 running perpendicular to the plane of the tensioned normal slope KF are so called The plane which separates the above-mentioned canonical side from the doping side is determined.

The cantilever and the individual harness elements, ie the heald and the drop wires in which the cantilever is tensioned, are fed to the canonical side. On the doping side, so-called harnesses (healds, drop wires and bodies) with passing regular slopes can be removed.

The inclined stop motion droop wire LA under the woven heald LI is disposed directly under the plane of the inclined slope KF and behind the woven body. The drop wire is loaded in the hand magazine and caught on the feed rail 11.

On the side, the heald stack is fed to a separate split point and the individual heald is transferred to a telescopic needle 7 for forward tilting. The drop wire passes through the drop wire carrying rail 12 on the doped side after the opening has occurred.

The heald LI is aligned on the rail 13 and is automatically arranged laterally to the splitting point, each moving to a radial position, and the normal inclined is then distributed to the appropriate weaving shaft 14 on the doped side.

The weaving body likewise moves stepwise past the narrowing needle and the matching body is opened for the narrowing process. The woven body WB (partially shown to the right of the weaving shaft) is likewise located on the doping side after the aperture has been performed. The so-called harness carriage 15 is provided on the doping side. With the vehicle fixed thereto-a holder for the drop wire carrying rail 12, the canon shaft 14 and the woven body-it carries a harness with a cantilever which is pressed into the base frame in the position shown and according to telescopic operation. .

The above-described functions are distributed to a plurality of modules to constitute a practically autonomous machine or system and are commonly controlled by a control computer.

The main module of the above mentioned game machine is made of a module design and preferably includes a submodule. The module structure is described in Swiss patent CH 679 871, to which reference is made here.

1 is to be understood as merely illustrative; The warp machine, for example a device installed in accordance with the invention for picking up and securing the harness element, may be wholly or partly different from the machine shown in FIG.

As shown in FIG. 2, the barrel needle 7 forming the main element of the barrel includes a gripper strip 16 and a clamping gripper 17 carried thereon.

The barrel needle 7 is guided in an upward direction (arrow P) in a channel guide 18 spaced apart by the curved end portion 19 and extending in a straight line direction from the frame 5.

The guide 18 is adapted to convey the means (rail 12 or weaving shaft 14) after the diameter has taken place, as well as pulling the warp yarn to the weaving body (WB) to allow the harness elements to be supplied to the diameter position. The drop wires for conveying the wires are passed while passing through the boring machine and are disturbed in the areas of the harness elements (drop wires LA, healds LI) and the woven body WB, respectively.

The drop wire LA and the seed light LI are supplied to the diameter position and the transfer operation until the transfer is performed by the respective transfer means is performed by the drop wire distribution module LD and the seed light distribution module HD. do.

The two sub-modules LD and HD basically perform the same function in that they receive a harness element provided step by step or successively to the passing point after the normal slope is passed. In other words, transfer takes place here, such as in the drop wire contact rail 12 or the weaving shaft 14.

3 is a perspective view of a system for picking up, securing, and loading drop wires, such as submodules in a game console. The head 22 arranged to move about the axis of rotation and the conveying harness element, in particular the drop wire for the weaving machine, have four devices 23 arranged symmetrically on the axis of rotation. The four devices shown for picking up and securing the harness element, in particular for a drop wire for a weaving machine, each have two opposing fixing surfaces 24.

The first stationary surface 24 is arranged to be connected to the first piston 26 and to be movable within the first cylinder 28.

The second stationary surface 25 is arranged to be connected to the second piston 27 and to be movable in the second cylinder 29. The first and second cylinders 28, 29 are in each case arranged such that the fixed surfaces 24, 25 of the two pistons move apart from each other when the pistons 26, 27 are operated by fluid.

The functional principle of the device 23 for picking up and securing the harness element is described in detail in FIG. 4.

Referring to FIG. 4A, the first piston 26 is designed to be a second cylinder 29 for the second piston 27 at the same time.

The first cylinder 28 and the second cylinder 29 are connected to the pressure line 30 in the same way that the first piston 26 applies pressure to the second piston 27 by means of the same fluid (small arrow). Connected.

The first and second pistons 26, 27 are operated by gas or liquid fluid such that the two fixed surfaces 24, 25 are spaced apart from each other under pressure (small and large arrows).

The drop wire LA is in a separate position; The still separated drop wire is located to the right of the angle 36 that secures the first fixed surface 24 (not shown). The recovery elements 31, 31 ′, which are designed with helical springs, are in a tense position.

Referring to FIG. 4B, it is shown that the application of a recovery element to move the two fixed surfaces towards each other once the application of fluid to the pistons 26, 27 is eliminated.

Indeed, the pressure of the compressed air used as a fluid here is reduced. However, since compressed air is optional, an appropriate return element, for example in the form of a hose, can also be used. The cylinder and the two stationary surfaces 24, 25 can also be moved by electromagnetic or mechanical drive (eg via a cam disc), for example, via two pistons which can be arranged axially with one another or in relation to one another. .

Thanks to the less mass, the first stationary surface of the second piston 26, which is heavier so that the smaller second piston (small arrow) with the second stationary surface 250, the drop wire LA is caught between the two stationary surfaces. Move towards the head first.

The spiral spring 31 'for the second piston 27 is already in the end position, while the spiral spring 31 for the first piston 26 is not actually released yet.

It is not shown in FIG. 4 that additionally provided at a particular location for positioning the lug 32 to align the picked up harness element. Positioning the lug 32 (such as guide lug 39) is shown in FIG. 3 and helps to position the height of the drop wire (here the real eye), which must be essentially vertically aligned.

The height of the drop wire is in this case the lug 32 positioned with the transverse web 35 separating the thread eye 38 from the rail slot 42 by the transverse web which slides over the rear 41 of the positioned lug 32. It is preferred that it is managed by mechanical contact between the lower centering elements that constitute it.

At the same time the upper centering element is designed with the guide lugs 39 of FIG. 3 and the lugs 32 located thereon function to connect between the two longitudinal webs 40 of the drop wire LA so that the longitudinal webs are arranged essentially vertically. do.

The position and vertical positioning takes place immediately after the drop wire is first clamped by the two fixed surfaces 24 and 25 and only to the lower holding force exerted by the recovery element 31 ′ for the spring or second piston 27. Is made possible by

Thus, the drop wire here can be placed in the proper position and securely fixed so as not to be lost.

In addition to the safe fastening and conveying of the drop wire in the present invention, centering the thread eye is also an important part, and an additional or alternative embodiment of centering the thread eye is-position lug 32 or guide lug 39 ( In addition to the use of indirect positioning), this also includes introducing the sensor into the thread eye (direct positioning):

Thus, in the case of non-contact threaded eye centering, the beam or bundle of light beams is guided through the threaded eye and the detector on the other side of the seed light monitors whether the beam passes through the threaded eye. In a mechanical embodiment of thread eye centering, a pin connects the thread eye and a detector monitors the pin's position.

In both embodiments, it is desirable to hold the incline tightly at an optimal precision height to pass through the steep slope to ensure that the height accurately corrects a large number of (undamaged) drop wires.

If the thread is widened somewhat (usually upwards), for example as a result of wasted use, the device according to the invention may be raised slightly so that the drop wire is fixed and the lower end of the collar is at the intended height.

Fig. 4 shows a particularly preferred embodiment of the device according to the invention. The second stationary surface 25 clearly shown in Figs. 4A and 4B is formed by a plate 55 and connected to the second piston 27. And up to the housing 56.

When the two pistons 26, 27 move to the end position by releasing the return elements 31, 31 ′, the plate 55 is on the housing 56. With this effect the forces exerted by the two recovery elements 31 (large arrow) and 31 '(small arrow) are available to secure the harness element LA more securely. This means that the safety of the harness element is secured during the transfer of the aligned drop wires, while the regular inclination is passed while being transported to the transfer point 52 and also transferable to the break-out point 53.

According to an embodiment having a fluid such as air, the return line is fitted out of the housing 56, for example in the region of the release port 54 when hydraulic oil is used.

Also in FIG. 3, in addition to the rotary head 22 with four devices 23-the dispensing carriage 33 having a transfer hook 34 for the system to distribute the harness element to the conveying means and to receive the harness element from the rotary head. )

The ejector for disengaging the transfer hook from the drop wire is not shown in FIG. 3. The system 20 preferably includes an electronic controller for defining the functions of the dispensing carriage 33 and the rotary head 22. The controller is preferably connected to, controlled and monitored by a common control computer.

In the following the procedure of a method of picking up, fixing and dispensing harness elements, in particular drop wires for a weaving machine, is described in more detail using compressed air as an example fluid. The shortest end of the dropwire provided at splitting point 50 is bent or expanded as in CH 687 257. The first and second stationary surfaces 24, 25 of the device 23 are spaced apart from each other due to the first and second pistons 25, 26 filled with fluid under pressure with compressed air having a pressure applied thereto. It moves.

The holding device 37 of the device 23 opens continuously opposite to the resistance of the recovery elements 31, 31 ′ designed with helical springs as shown in FIG. 4A.

The device 23 having the open fairy device 37 rotates around the axis of rotation 21 in such a way that the shortest drop wire is fixed in the center area and expands.

At this end a first fixed surface 24 fitted at an angle 36 moves the first drop wire to a position between the two fixed surfaces 24 and 25 between the first and second drop wires LA. (See Figure 4A).

One advantage of the device according to the invention is as follows: A wide opening in the fixing device 37 solves the problem of fixing the drop wires without significant deviation from the expected position. Thus, allowing an excessive position on the inflated drop wire does not affect the secure attachment of the drop wire LA.

The pressure on the first and second pistons 26, 27 is reduced in such a way that the fixtures 24, 25 driven by the recovery elements 31 (large arrows), 31 '(small arrows) move towards each other. do. Since the mass of the second piston 27 is certainly less, it moves faster in the front (in the direction of the small arrow shown in Fig. 4B) than in the first piston 26 designed at the same time as the second cylinder.

This means that the drop wire LA is first fixed by the device 23 and then removed from the disconnected position. Only after the lock is closed and the first piston 26 is also accelerated backwards (in the direction of the arrow shown in FIG. 4C), the drop wire is removed from the disconnect point and simultaneously moved to a specific position in the device.

Alignment to a specific position is important because in this way the exact position of the thread eye 38 in the drop wire LA moves to the level or height of the barrel needle 7.

Alignment of the drop wires is possible by two position lugs 32 and guide lugs 39 fitted to the first cylinder. The restoring force of the spring 31 pulls the drop wire downward and the position lug 32 is operated with the rear end 41 of the lug forming a plane in which the contact rail slot 42 is inclined on the lower edge and the first cylinder is Full retreat will have the effect that the drop wire's position will also be corrected.

Positioning the drop wire between the fixed surfaces 24, 25 is possible because the restoring force exerted by the spring 31 ′ is less than the restoring force of the spring 31. However, at the same time as the position lug 32, the guide lugs 39 between the longitudinal webs 40 are connected downwards so that parallel downward placement of the drop wires, which are also actually fixed to the contact rail slots 42, takes place. Is controlled.

As soon as the fixed drop wires are aligned, the rotary head 22 is rotated 90 degrees to allow the fixed drop wires to be transferred to the diameter position or diameter point 51.

Since the rotary head 22 comprises four identical devices 23, the next open fixture 37 (according to FIG. 4A) simultaneously moves and bends to the position of the next drop wire. Once the drop wire is located at the traverse point 51, the regular inclination is pulled through the eye 38 in the drop wire LA.

The drop wire is secured between the two fixed surfaces 24 and 25 with two lugs 32 and 39 between the longitudinal webs 40 during the telescopic operation and during the transfer to the feed point 52. The head is rotated by about a quarter between the rotation shafts 21 so as to be transferred to the transfer point 52 again. At the transfer point, the drop wire LA is picked up by the transfer hook 34 and placed on the dispensing carriage 33 and the fixing device 37 of the device 23 is opened.

The conveying hook 34 is moved out of the fixing device 37 in the direction of the arrow by the dispensing carriage 33 and is conveyed until the drop wire can be conveyed to the conveying means previously determined with the aid of an ejector.

Only one conveying means is provided for picking up the harness element in the form of a conveying rail or drop wire contact rail 12 or a woven shaft 14 (if heald is distributed). By receiving the harness element by the dispensing carriage 33 the drop wire can be transported anywhere to the intended transport means and of course can be skipped repeat in the intended order or procedure.

The equipment can also be made in the fourth position and the device is designed in the ejection position 53 so that it can rotate in stages around the axis 21. It is thus possible to use a drop wire having a shape monitored by a control device (not shown) used for this purpose, for example to be placed as a container (not shown) in the discharge position due to excessively large deformation. It may not be appropriate for.

The rotary head 22 with four devices 23 thus allows the device 23 to simultaneously define four defined point-separation points 50, a diameter point 51, a feed point 52 and a discharge point 53. Since each is located at-at the same time is a preferred embodiment. However, it is also possible for the rotary head 22 having three, two or only one device 23 to be formed without the above releasability.

If the discharge point 53 is not needed, the rotary head 22 having only three devices can be used. It is likewise known to those skilled in the art to arrange three devices, which are otherwise suitable or symmetrical on the axis of rotation 210.

Transport synchronization of rotary head 22, pistons 26, 27; The dispensing carriage 33, the transfer hook 34 and the ejector are also controlled or defined via an electronic unit that monitors the telescopic needle. If the mechanical characteristics of the controller and the dispensing carriage 33 allow it to increase throughput, It is also possible to provide a rotary head having more than two devices 23. It is up to the skilled person to select the radius of rotation (distance between the fixed heald and the axis of rotation) and to determine how the devices are grouped around the axis 21.

It is also possible for the second distribution carriage 33 to be braked in order to increase the capacity of the system 20. Like the design of the controller, the driving characteristics of the distribution carriage and the rotary head are not described in detail here because they are available to those skilled in the art.

The advantages of the method and apparatus according to the invention are, inter alia, during the passage and after they are picked up at the split point 50 until they are accepted by the dispensing carriage, and after the drop wires are secured by clamping, It is a fact that the trough does not come into contact with the drop wire's child to handle the drop wire carefully.

Claims (17)

In the device 23 for picking up and fixing the harness elements LA, LI for the weaving machine, in particular the drop wire LA, between two opposing fixed surfaces, it is movable in the first cylinder 28 and is first fixed. Apparatus characterized in that it has a first piston (26) having a surface (24) and a second piston (27) movable in a second cylinder (29) and having a second fixed surface (25). The method of claim 1, wherein the first and second cylinders (28, 29) are moved in such a way that the fixed surfaces (24, 25) of the two pistons move apart from each other when the pistons (26, 27) are operated by fluid. A device for picking up, securing and dispensing harness elements, which is arranged. 3. Device for picking up, securing and dispensing a harness element according to claim 2, characterized in that the first piston (26) is simultaneously designed to be a second cylinder (29) for the second piston (27). 4. The method according to any one of claims 1 to 3, wherein the first cylinder (28) and the second cylinder (29) apply pressure to the first piston (26) in the pressure line (30) by the same fluid. Apparatus for picking up, securing and dispensing harness elements, which are connected in such a way as to effect such as applying pressure to the second piston (27). 4. A recovery element (31, 31 ') according to any one of the preceding claims, wherein the recovery elements (31, 31') move so that the two fixed surfaces (24, 25) move towards each other when the fluid applied to the piston (26, 27) is removed. Apparatus for picking up, securing and dispensing harness elements, characterized in that provided. The plate 55 according to claim 1, wherein the second fixed surface 25 is connected to the second piston 27, reaches over the housing 56 and stays in the housing at the end position of the piston. Apparatus for picking up, fixing and dispensing harness elements comprising a. 4. The position lug 32 is further configured to align the harness elements LA, LI picked up at a specific height, or the guide lug 39 adjusts the harness elements vertically. And pick up, secure and distribute the harness element. 4. The harness according to any one of the preceding claims, wherein a sensor is provided to further determine the position of the threaded eye so as to align the harness elements (LA, LI) picked up at a specific height or the guide lugs (39) are vertically harnessed. Apparatus for picking up, securing and dispensing harness elements, characterized in that they are configured to adjust the elements. 2. A head according to claim 1, having a head for picking up, fixing and conveying harness elements LA, LI, in particular dropwire LA, for the weaving machine, the head being arranged to move about an axis of rotation, Pick up and fix the harness elements LA, LI, in particular the drop wire LA, for the weaving machine between two opposing fixed surfaces, which are movable in the first cylinder 28 and have a first fixed surface 24. A harness comprising a plurality of devices or devices 23 having a second piston 27 which is movable in the first piston 26 and the second cylinder 29 and has a second fixed surface 25. Device for picking up, fixing and dispensing elements. Having a head for picking up, fixing and conveying harness elements LA, LI, in particular dropwire LA, for the weaving machine, the head being arranged to move about an axis of rotation, Pick up and fix the harness elements LA, LI, in particular the drop wire LA, for the weaving machine between two opposing fixed surfaces, which are movable in the first cylinder 28 and have a first fixed surface 24. Pick up a harness element comprising a plurality of devices or devices 23 having a second piston 27 which is movable in a first piston 26 and a second cylinder 29 and has a second fixed surface 25, In the fixing and dispensing device, Apparatus for picking up, securing and dispensing harness elements, characterized in that four devices (23) have a rotary head symmetrically arranged on the axis of rotation (21). Having a head for picking up, fixing and conveying harness elements LA, LI, in particular dropwire LA, for the weaving machine, the head being arranged to move about an axis of rotation, Pick up and fix the harness elements LA, LI, in particular the drop wire LA, for the weaving machine between two opposing fixed surfaces, which are movable in the first cylinder 28 and have a first fixed surface 24. Pick up a harness element comprising a plurality of devices or devices 23 having a second piston 27 which is movable in a first piston 26 and a second cylinder 29 and has a second fixed surface 25, Fixing and dispensing system 20. Distributing the carriage carriage 33 and the harness elements to the vehicle 12, 14 with a transfer hook 34 for receiving the harness elements LA, LI from the rotary head 22. A system (20) for picking up, securing and dispensing a harness element, characterized in that it has an ejector. 13. System (20) according to claim 12, characterized in that it comprises an electronic controller for controlling the functions of the rotary head (22) and the dispensing carriage (33). For picking up, fixing and transporting the harness elements (LA, LI), in particular dropwires (LA), for the weaving machine, -Pick up drop wire (LA) at split point (50), -Arrange dropwires (LAs) picked up at specific points, -Drop the drop wire (LA) to the traverse point, -Hold the drop wire (LA) while the seal is perforated, Transporting the drop wire LA to the transport point; In a method having a step, To pick up, fasten, and transport the drop wires, Pick up and fix the harness elements LA, LI for the weaving machine, in particular the drop wire LA, between the two opposing fixed surfaces, moveable in the first cylinder 28 and having a first fixed surface 24. A device consisting of a device (23) having a second piston (27) which is movable in a first piston (26) and a second cylinder (29) and has a second fixed surface (25), or The first and second cylinders 28, 29 are arranged in such a way that the fixed surfaces 24, 25 of the two pistons move apart from each other when the pistons 26, 27 are operated by a fluid, or A method for picking up, securing and distributing a harness element, characterized in that it uses one of the devices designed simultaneously such that the first piston (26) is a second cylinder (29) for the second piston (27). 15. The method of claim 14, wherein in order to pick up, fasten and transport the drop wires, the harness element is picked up, fastened and distributed, using four rotary devices 23 arranged symmetrically on the axis of rotation 21. How to. 15. The method of claim 14, wherein in order to pick up, fix and transport the drop wires, Having a head for picking up, fixing and conveying harness elements LA, LI, in particular dropwire LA, for the weaving machine, the head being arranged to move about an axis of rotation, Pick up and fix the harness elements LA, LI, in particular the drop wire LA, for the weaving machine between two opposing fixed surfaces, which are movable in the first cylinder 28 and have a first fixed surface 24. Pick up a harness element comprising a plurality of devices or devices 23 having a second piston 27 which is movable in a first piston 26 and a second cylinder 29 and has a second fixed surface 25, A method of picking up, securing and dispensing harness elements, characterized by using a system (20) of securing and dispensing. 15. The method according to claim 14, to receive the drop wire at the transfer point 52, to transfer the drop wire to the predetermined transfer means 12, and to release the drop wire LA to the transfer means. Harness element with dispensing carriage 33 with conveying hook 34 for receiving harness elements LA, LI from rotary head 22 and ejector for dispensing harness elements to vehicle 12,14. And a system (20) for picking up, fixing and dispensing the harness.