Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
  • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
  • F16G11/10—Quick-acting fastenings; Clamps holding in one direction only
  • F16G11/101—Quick-acting fastenings; Clamps holding in one direction only deforming the cable by moving a part of the fastener
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
  • B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
  • B63B21/08—Clamping devices
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
  • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
  • F16G11/10—Quick-acting fastenings; Clamps holding in one direction only
  • F16G11/105—Clamps holding in one direction only
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F41—WEAPONS
  • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
  • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
  • F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
  • F41B11/83—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes for launching harpoons

Definitions

• the invention relates to a device for the fixed gripping of a rod-shaped, rod-shaped, rope-shaped or similar object according to the preamble of claim 1.
• Such devices are used when you want to insert a particularly long object in a device, while counteracting a counter force must oppose this action. This can be done, for example, in the industrial field if, for some reason, you have to insert a very long object into a device in order to bring it into a position in which blocking agents become effective, which are located inside the device.
• harpoons in particular the harpoon which are pressurized with compressed air.
• the end of a pointed rod is inserted into the mouth of the harpoon, and then, after placing the end of the rod on the piston of the harpoon, the rod is pushed vigorously with one hand towards the inside of the harpoon.
• the end of the rod resting on the piston will thus push the piston along the longitudinal axis of the barrel of the harpoon, sliding in the barrel and moving away from the mouth until it is blocked in suitable blocking means.
• This compresses a pressurized fluid which will then expand upon firing the harpoon and bring the piston close to the mouth, and thus the rod out of the harpoon.
• the pressurized fluid responds with increasing counterforce to the increasing compression.
• Clamping devices is gripped, which clamp the object so that in no way a sliding of the object relative to the clamping device is allowed, that is, a mutual sliding between the object and
• the moving of the object takes place in several acts by shifting the point at which one grasps the object several times. More precisely, one grasps the object and executes a first movement, then one leaves the object free while someone or something holds the object in position, one seizes again the object in a place which lies a little further back, in order to have possibility of movement again and you do a second movement and so on until the whole movement is done.
• the object of the present invention is therefore in the development of a device for the fixed gripping a rod-shaped, rod-shaped, rope-shaped or similar object, on the one hand allows a firm gripping and on the other hand, a simple displacement of their point of attack along the object.
• This object is achieved by a device for firmly gripping a rod-shaped, rod-shaped, rope-shaped or similar object having the features indicated in the characterizing part of claim 1.
• the only acting in a single direction jig which is provided according to the invention for the device glossily eliminates all the above disadvantages.
• harpoons it is not necessary to grab the spear of a harpoon directly while loading a harpoon. This improves safety by reducing the risk of losing the grip.
• the claimed in claim 2 feature claims an embodiment of the device according to the invention, which is particularly reliable. Namely, the envisaged pair of clamping elements enables that selective clamping acting only in a single direction, which is the basis of the inventive idea of the present invention.
• the feature claimed in claim 3 claims an embodiment of the pair of clamping elements claimed in claim 2.
• the feature claimed in claim 4 claims a possible shape of the curved surface having elements claimed in claim 3. If the single-directional jig provided for the device according to the invention has the feature claimed in claim 5, a so-called self-clamping effect can be achieved, meaning that the pair of clamping elements always inclines automatically to move his effective position. This happens even if the item is not available.
• the claimed in claim 6 feature allows the To improve the function of the device according to the invention by placing it in the best operating conditions to pick up the object.
• the provided with this claim sling prevent namely, that in the absence of the object, the elements having a curved surface can move under the action of the spring force of the springs beyond their effective position.
• the feature claimed in claim 7 makes it possible to increase the number of points of contact between the surface of the curved surface elements and the object.
• the diameter of the object is in fact, thanks to the annular grooves, in at least two places and not only at one point, as would be the case in the absence of the annular groove.
• the feature claimed in claim 8 facilitates insertion of the article between the curved surface elements when an annular groove is provided. Otherwise, the maximum span of the path of the curved surface elements to move from the operative position to the inoperative position and vice versa would be very large and to be able to do so would require a very large amount of rotation.
• the feature claimed in claim 10 makes it possible to obtain a first embodiment of the device according to the invention.
• the device having this feature may be considered as a basic variant or standard variant thereof.
• the feature claimed in claim 11 makes it possible to obtain second embodiment of the device according to the invention.
• the turning capability introduced by this feature makes the device more versatile and more adaptable to the different sizes of objects to be handled.
• the feature claimed in claim 12 makes it possible to obtain a third embodiment of the device according to the invention by further improving the function.
• the fact that, as provided in the claim, the second frame is connected to the elements having a curved surface and is no longer connected to the first frame, allows the user to always exert an optimal pressure on the object.
• This feature makes it possible to act directly on the clamping force applied to the article by the curved surface elements when in their operative position. Due to the manual tension applied to the elements having a curved surface, namely, an additional lever effect is achieved due to deformation of the frame, so that the force transmitted by the elements having a curved surface is greater than that transmitted by a rigid frame would. The force exerted by the user on the device is transmitted almost entirely, with the exception of the frictional losses and the losses of the gears, to the elements having a curved surface in order to both rotate them to the operative position and above all to make them effective Positioning, which increases safety, as this further reduces the risk of losing grip on the object.
• the feature claimed in claim 13 claims an embodiment of acting only in a single direction Clamping device claimed in claim 16.
• the claimed in claim 14 feature relates to the particular and novel use of the device according to the invention when loading a harpoon, since in this area, the use of the device according to the invention enables the achievement of the above-mentioned significant advantages.
• FIG. 1 shows the front view of a first embodiment of a device according to the invention which is in the operative position and has a clamping device acting only in a single direction
• FIG. 2 is the rear view of the device of Figure 1
• Figure 3 is the side view of the device of Figure 1
• Figure 4 is the front view of the device of Figure 1, in an inoperative position
• FIG 5 shows the front view of a second embodiment of a device according to the invention, which is in the operative position and has a clamping device acting only in a single direction
• Figure 6 is the rear view of the device of Figure 5
• Figure 7 is the side view of the device of Figure 5
• FIG 8 is the front view of the device of Figure 5, in an inoperative position
• Figure 9 is a front view of a third embodiment of a device according to the invention, which is in the effective Position and has a acting only in a single direction jig
• FIG. 9 is a side view of the device of FIG. 9,
• FIG. 12 is a front view of the device of FIG. 9, in an inoperative position, FIG.
• Figure 13 is the bottom view of the device of Figure 9
• Figures 14 e 15 are two front views of the first embodiment of the device of Figure 1 with two respective different preferred embodiments of the curved surface elements
• Figures 16 e 17 are two front views 5, wherein there are two respective different preferred embodiments of the curved surface elements
• FIGS. 18 e 19 are two front views of the third embodiment of the device of FIG.
• Figure 19a is a front view of the third embodiment of the apparatus of Figure 10, showing that embodiment of the curved surface elements shown in Figure 19, and wherein the one curved surface is shown in Figure 19a Figures 20, 20a-20d illustrate embodiments of the curved surface elements according to the embodiment shown in Figures 14, 16 and 18, Figures 21, 21a-20d illustrate embodiments of the invention curved surface having elements according to its embodiment, which is shown in Figures 15, 17,19 and 19a, Figure 22 is a perspective view of the upper part of a prior art harpoon,
• Figure 23 is a partially sectional view of the harpoon of Figure 22, wherein the rod has been inserted into it and the device according to the invention, the second embodiment of her, mounted on the rod
• Figure 24 is a partially sectional view of the harpoon Figure 22, wherein the rod has been inserted into it and the device according to the invention, the third embodiment of her, is mounted on the rod.
• FIG. 1 schematically show three different embodiments of a device for firmly gripping a rod-shaped, rod-shaped, rope-shaped or similar article 1 extending through the device and for displacing it along a direction along which a counterforce acts opposes the displacement of the article 1.
• the device comprises a clamping device 2, which clamps the object to be gripped 1 in its interior and with which it is possible to grasp the object 1.
• the clamping device acts only in a single direction.
• in a single direction is meant that the sliding of the acting only in a single direction jig 2 relative to the object 1 in the direction of action of the opposing force is allowed, while the sliding in the opposite direction of action of the opposing force prevents direction becomes.
• the clamping device 2 which acts only in a single direction, comprises a pair of clamping elements 3 which are arranged laterally against one another, however are not stored in contact with each other. These clamping elements 3 are in an effective position, in which they clamp the object 1 between them and which has been shown, for example, in FIGS. 1, 2, 5, 6, 9 and 10, in a plurality of inoperative positions, of which FIG one in Figures 4, 8, 12 has been shown and in which they 3 do not touch the object 1, and vice versa, displaceable.
• the chucking elements 3 may conveniently consist of a pair of curved surface elements 3 rotatably supported about respective axes of rotation A and from said operative position into said plurality of inoperative positions and vice versa. In the transition from one position to the other, the curved surface elements 3 always rotate at the same time, each around its own axis of rotation A, but each opposite to the other.
• circular discs may be provided, each having an axis of rotation A, which is not arranged in alignment with its own geometric center, as has been shown in the figures, in which with a and b in each case the largest and the smallest radius have been indicated, which are arranged on the same diameter.
• the elements are 3 discs with elliptical shape or another shape with variable radius.
• the surface of the curved surface having elements 3 may be suitably knurled to increase the friction between the surface of the elements 3 and the object 1.
• an application of a friction material is applied to the surface of the elements 3.
• the clamping direction 2 which acts only in a single direction, also comprises stop means 5, which can be seen, for example, in FIGS. 2, 4 and 6. In this way, the curved surface elements 3 are prevented from rotating from an inoperative position to the operative position beyond the operative position.
• the jig 2 acting only in a single direction has a frame 2c on which the curved surface elements 3, the gears 6 and the handle 7 are supported.
• this frame 2c has such a curved course extending away from the plane of rotation of the elements 3 that the handle 7 does not disturb the object 1.
• the elements 3 To turn the elements 3 from their operative position to one of their inoperative positions, they must be rotated 3 against the spring force of the tension springs 4.
• the user will act by hand on the opening levers 11, which are connected to the elements 3, and bring them from the position shown in Figure 1 in the position shown in Figure 4.
• FIGS. 5-8 show a second embodiment of the device according to the invention. It is predominantly constructed like the first embodiment already described. The difference between the two embodiments is that, in the case of this second embodiment of the device according to the invention, the frame of the clamping direction 2 acting in only one direction is in two parts.
• Figs. 9-13 show a third embodiment of the device according to the invention which is more complicated than the other two former embodiments.
• the clamping direction 2 acting only in a single direction has a first frame 2a and a second frame 2b.
• the curved surface having elements 3 and the gears 6 are mounted, while on the second frame 2b, the handle 7 is arranged.
• the second frame 2b is partially deformable to accommodate the size of the rotations made by the curved surface elements 3. It is also connected to the curved surface having elements 3 and is rotatably mounted about a rotation axis C around, wherein the rotation axis C is parallel to the plane of rotation of the elements 3. More specifically, the second partially deformable frame 2b, having a curved-surface member 3, connecting means 8, for example, a screw as shown in the above-mentioned Figs. 9-13, has for connecting to the one curved surface member 3, and a first arm 9 and a second arm 10.
• the first arm 9 is rotatably supported on the connecting means 8 around the axis of rotation C, while the second arm 10 is supported at one first end on said first arm 9 and at the other End in rotatably, about respective axes of rotation D, E around, is mounted on the remaining part of the second frame 2b, wherein the axes of rotation D, E are perpendicular to the axis of rotation C.
• the user In order to rotate the curved surface having elements 3 from its operative position to one of its inoperative positions, the user no longer has to act on the opening levers 11, which are not provided in this embodiment, but on a handle 12. This handle 12 is shown in FIGS. 9-12.
• FIG. 22 one then recognizes a piston 24, which is arranged to slide along the longitudinal axis of the barrel 23.
• the piston 24 slides from a home position (not shown in Figure 22), in which it is held in place by blocking means 27, 24 to an end position (not shown in Figure 22). , which is located near the mouth 21.
• 25 has a rod which is provided at its one end with a tip 26 and with its other end in loading the harpoon in the mouth 21 is inserted, as will be explained later.
• the piston 24 is subjected to a pressure in the direction of the mouth 21 which is exerted by the fluid under pressure and flowing from the container 22 into the barrel 23.
• the piston 24 within the barrel 23 defines a type of expansion chamber of the pressurized fluid, the chamber consisting of the barrel portion 23 located below the piston 24. Due to the pressure effect the pressurized him Fluid transfers reach the piston 24 abruptly its end position as soon as, because of the shooting, the blocking means 27 release the piston.
• loading is the movement that performs the piston 24, the opposite movement of the one that he performs when shooting. During loading, therefore, the piston slides from its end position to its starting position.
• the device according to the invention is used, as shown for example in Figures 23 and 24, in which the device according to the invention on the pole 25 of the harpoon was attached.
• FIG. 23 shows the second embodiment of the device according to the invention, but what will be explained below also applies to the first embodiment which is very similar to the second one.
• the procedure is as follows. First, one has to turn the curved surface elements 3 from their operative position to one of their inoperative positions. At this point, the user will act by hand on the opening levers 11 to bring the device in the configuration shown in Figs. 4 and 8 and then insert the rod 25 between the curved surface elements 3 , Thereafter, the user will release the opening levers 11 again and the rod 25 will be clamped immediately between the elements 3, since under the action of the tension springs 4 they will assume their operative position, which is shown in FIGS. 1 and 5. The user can now, by grasping the handle 7, powerfully push the rod 25 against the piston 24.
• the user will, with one hand, slide the device up onto the bar 25 while holding the bar 25 with the other hand. Sliding in this direction is allowed by the single-directional jig 2. Then, after positioning the device at the new point of attack, the user will resume pulling on the handle 7 to further push the rod 25 against the piston 24.
• the device according to the invention in particular acting only in a single direction jig 2, automatically returns to its operative position. If then the last distance to be covered must be shorter than the distance between the handle 7 and the one Curved surface having elements 3, the user can insert the upper end of the rod 25 in the blind hole 13.
• the curved surface having elements 3 should have the annular groove 3a and the removal of material from an edge of the annular groove 3a, one will use the rod 25 between the elements 3 just in the region of this ablation, as shown in Figure 19a was, since in the region of this ablation the insertion is facilitated and the value hl of the mutual distance between the two elements 3 may thus have a size which is comparable to that of the diameter of the rod 25.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Ocean & Marine Engineering (AREA)
• Load-Engaging Elements For Cranes (AREA)
• Manipulator (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=39926578

Family Applications (1)

Country Status (2)

Cited By (3)

Citations (6)

• 2007
  • 2007-06-19 IT IT000026A patent/ITBZ20070026A1/it unknown
• 2008
  • 2008-06-11 WO PCT/EP2008/004655 patent/WO2008155049A1/de active Application Filing

Patent Citations (6)

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