WO2014108361A1 - Hydraulisch betätigbare pressvorrichtung, verfahren zur durchführung einer verpressung, verfahren zur herstellung einer elektrisch leitfähigen pressverbindung, elektrisch leitfähig verpresste presshülse, verfahren zum klemmen eines werkstücks und hydraulische vorrichtung - Google Patents
Hydraulisch betätigbare pressvorrichtung, verfahren zur durchführung einer verpressung, verfahren zur herstellung einer elektrisch leitfähigen pressverbindung, elektrisch leitfähig verpresste presshülse, verfahren zum klemmen eines werkstücks und hydraulische vorrichtung Download PDFInfo
- Publication number
- WO2014108361A1 WO2014108361A1 PCT/EP2014/050075 EP2014050075W WO2014108361A1 WO 2014108361 A1 WO2014108361 A1 WO 2014108361A1 EP 2014050075 W EP2014050075 W EP 2014050075W WO 2014108361 A1 WO2014108361 A1 WO 2014108361A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pressing
- partial
- piston
- hydraulic
- clamping
- Prior art date
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 218
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000007906 compression Methods 0.000 title description 58
- 230000006835 compression Effects 0.000 title description 57
- 239000012530 fluid Substances 0.000 claims description 18
- 238000002788 crimping Methods 0.000 claims description 9
- 238000007373 indentation Methods 0.000 claims 4
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/042—Hand tools for crimping
- H01R43/0427—Hand tools for crimping fluid actuated hand crimping tools
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49174—Assembling terminal to elongated conductor
- Y10T29/49181—Assembling terminal to elongated conductor by deforming
- Y10T29/49185—Assembling terminal to elongated conductor by deforming of terminal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
- Y10T29/53209—Terminal or connector
- Y10T29/53213—Assembled to wire-type conductor
- Y10T29/53222—Means comprising hand-manipulatable implement
- Y10T29/53226—Fastening by deformation
Definitions
- Hydraulically actuated pressing device method for carrying out a compression, method for producing an electrically conductive press connection, electrically pressed press sleeve, method for clamping a workpiece and hydraulic device
- the invention relates first to a hydraulically actuated, preferably designed as a hand-held, pressing device with a movable in a hydraulic cylinder coaxial with a cylinder longitudinal axis against the force of a return spring hydraulic piston, which is optionally connected via a piston rod, with a pressing member for performing a compression, wherein the Hydraulic piston has an urging surface for generating pressing force by the action of hydraulic fluid under hydraulic pressure on the hydraulic piston.
- the invention further relates to a method for carrying out a pressing with a movable pressing part having, preferably designed as a hand-held hydraulically actuated pressing device in which different sized workpieces are supported under compression on a Verpress- counterpart stop for pressing, wherein the pressing part covers a travel path to a a compression of a press action corresponding press end position is reached, wherein further passes for a large workpiece, the pressing part until reaching the press end position a shorter travel and at a smaller workpiece, the pressing part passes until reaching the press end position longer travel.
- the invention further relates to a method for producing an electrically conductive press connection between a compression sleeve and two cables different diameter, with a movable plunger having a hand-pressing device.
- the invention relates to a compression sleeve compressed in an electrically conductive manner with two cables in relation to a longitudinal direction of the compression sleeve, with two compression punch impressions formed on one side and over the length of the compression sleeve.
- the invention also relates to a method for clamping a workpiece in a hydraulic device, preferably a hand-press device, with a movable, usable as a clamping part press ram, which is driven by a movable in a hydraulic cylinder against the force of a return spring hydraulic piston.
- the invention further relates to a hydraulic device, preferably a hand-pressing device, with a movable, usable as a clamping part press ram which can be driven by a movable in a hydraulic cylinder against the force of a return spring hydraulic piston.
- Such pressing devices, methods for pressing, method for clamping a workpiece, methods for producing an electrically conductive pressed-compression sleeve and hydraulic devices with a usable as a clamping part press ram have already become known in various respects.
- Such pressing devices and methods for pressing are preferably used for pressing, also referred to as crimping, of cable lugs with inserted cables.
- a known pressing device compare DE-AI- 3235040, according to a contact of the pressing part with a workpiece, a travel limit of the further travel of the pressed part is triggered, which allows only a certain procedure of the pressing part, starting from the position when touching the workpiece. This can be pressed approximately uniformly different sized workpieces. However, it can happen that a second pressing is made on a workpiece that has already been pressed. Again, the pressing member moves again with the start of the workpiece contact over a predetermined paths, so that it can lead to destruction of the workpiece. In addition, the press force is always the same. Small workpieces are therefore usually pressed with too high pressing force. Also going back to this, destruction of a workpiece may occur.
- Another pressing tool is known from US-A-5195042.
- a pressure sensor is provided here, also a control of the maximum travel of the pressed part. Although it can be exercised for larger workpieces to be crimped a higher pressing force and smaller workpieces to be crimped a lower pressing force, but only in response to a measurement of the workpiece to be crimped and according to a pressure measurement by means of a pressure sensor.
- the invention is concerned with the task of generally specifying a hydraulically actuated, preferably designed as a hand-held pressing device or device that allows a simple structure, reliable, without adjustments to the tool are required, comparatively large and Relatively small workpieces, in particular to press cable lugs.
- the invention also deals with the task of specifying a method advantageous in this regard. Furthermore, the invention has the object to provide a hydraulic device for favorable holding a workpiece, as well as with the task to specify a favorable compression of a sleeve in relation to cables of different diameters and a related compact.
- one possible solution to one of the stated objects is a pressing device in which the hydraulic piston consists of a first and a second partial piston with a first and a second partial loading surface, the partial loading surfaces of the same one Having hydraulic pressure Hydraulic means can be acted upon and both sub-pistons are connected to a first and second pressing member.
- the invention goes the way to provide in the same hydraulic cylinder two sub-piston, which are respectively acted upon by the same hydraulic fluid with the same hydraulic pressure.
- the partial pistons which accordingly have the aforementioned partial loading surfaces, are subjected to the same pressure.
- the partial pistons move in principle in the same direction when exposed to hydraulic fluid. They move outwards, increasingly leaving the hydraulic cylinder.
- the partial loading areas can vary in size. It can be acted upon with varying force on a workpiece. Although the different size of the sub-loading surfaces is further preferred in the following, an importance is also given with regard to the sub-pistons and the associated sub-loading surfaces as such.
- the partial pistons can also advantageously act at different locations on a workpiece.
- Dependence of a position of the pressing part on the travel independent of a compressive workpiece is specified so that a maximum pressing force is exerted by the pressing member only at a press end position within a first travel partial path and only at a press end position within a the first method sub-path subsequent second travel partial path is compared to the maximum pressing force lower partial pressing force exerted.
- the maximum pressing force or partial pressing force respectively assigned to one method of partial travel is preferably not changeable. It is rather preferably fixedly specified, without requiring a metrological detection, for example by a pressure sensor of the pressure in the hydraulic fluid and / or a dimension of the workpiece to be pressed.
- a metrological detection of a pressure of the hydraulic fluid for example by means of a pressure sensor, may be additionally provided.
- This also applies to all embodiments of the pressing device or the hydraulic device described here.
- applications such as those disclosed in WO 2008/138987 A2 (US 2010/0300308 A1).
- a pressing force at the end of a first part travel distance is greater than at the end of the total travel distance. Large workpieces that require a large pressing force can therefore be pressed on the first part of travel, while small workpieces that require a low pressing force, can only be pressed in the second travel partial path, so that automatically only a smaller maximum Pressing force comes into effect.
- the larger maximum pressing force is to be achieved even with a smaller workpiece, it is possible, for example, to displace such a smaller workpiece into the range of the greater maximum pressing force by changing the pressing counterstop.
- a further possible solution to the problem is given in terms of a method for producing an electrically conductive press connection between a compression sleeve and two cables of different diameters in that the compression sleeve, which has a constant inner diameter over its length, in two opposite in a longitudinal direction of the compression sleeve Regions with the cables of different diameters by two two-time action of the same press ram from the outside on the compression sleeve, over the length of the compression sleeve side by side and each associated with a verpressenden end of the cable of larger diameter or the cable of smaller diameter is pressed, with a different in both actions pressing force.
- a further possible solution of the problem is given in terms of a method for clamping a workpiece in a hydraulic device in that a first and a second clamping part is provided, that a first and a second partial piston are provided, which in the common hydraulic cylinder telescoping against each other against the force of a respective return spring are movable, of which at least the first part piston moves the first clamping member for clamping the workpiece, wherein further at a loading of the partial piston with hydraulic medium both partial piston, the first part piston leading to the second part piston, into a Clamping of the workpiece resulting clamping position are moved, but preferably only one of the pistons or a connected to the respective sub-piston clamping part, is applied to the workpiece, and the method of the sub-piston in the clamping position, after reaching the clamping position, is terminated.
- a method beyond the clamping position so at least initially does not take place. Due to the fact that only one of the sub-pistons or a respective clamping or pressing part rests on the workpiece, with some movement of the workpiece, this adjacent pressing or clamping part can yield elastically, because via the hydraulic medium, a pressure equalization takes place to the other sub-piston, which can deflect something here due to its return spring.
- a hydraulic device in which a first and second clamping part are provided and a first and a second part pistons which are telescopically movable in a common hydraulic cylinder against the force of a respective return spring, wherein at least the first clamping part of the first sub-piston for clamping the workpiece is movable, wherein further at a loading of the sub-piston with hydraulic medium both sub-piston, the first sub-piston leading to the second sub-piston, into a clamping of the workpiece resulting clamping position are moved and the method of the sub-piston can be terminated in the clamping position.
- the sub-pistons are telescopically guided one inside the other.
- the one part piston is correspondingly associated with only one inner region, while the other part piston is associated with only one outer region. This may equally be the case with regard to the pressed parts moved by the partial pistons.
- the first sub-piston forms a second hydraulic cylinder for the second sub-piston.
- the second sub-piston is sealed and moved relative to a cylindrical interior of the first sub-piston.
- the second sub-piston is relatively movable to the first sub-piston and also relatively movable to the first hydraulic cylinder, in which both sub-pistons are accommodated together.
- each partial piston is assigned its own pressing part, a first and a second pressing part.
- the first pressing part assigned to the first subcylinder can act on the second pressing part assigned to the second subcylinder via a first traversing path, preferably the first traversing partial path, onto the first pressing part.
- the mentioned pressing parts may be formed approximately positively to each other. If the second pressing part forms an abutment surface for the first pressing part and the first pressing part is moved with priority in said constellation, the second pressing part and thus also the second part piston are thereby inevitably entrained.
- the second partial piston with respect to the first hydraulic cylinder that is, the hydraulic cylinder in which ultimately both partial pistons are accommodated, although the second partial piston only indirectly via the first sub-piston, is further advanced than the first sub-piston.
- the second part piston can be moved beyond the first part piston and then move the associated second pressing part against the, in particular on said second Verf ahr partial path, not further moved first pressing part.
- the first partial loading surface is smaller than the second partial loading surface and that the first partial loading surface, as previously considered primarily, is larger than the second partial loading surface.
- the first partial loading surface is smaller than the second partial loading surface and also the restoring force of the return springs, which act respectively on the first and second partial pistons, is the same or chosen so that no opposite effect results, moves at first actuation of the second part piston. If the second pressing member acted upon by the second sub-piston then encounters a workpiece, the first pressing part not yet in contact with the workpiece will continue to advance, if appropriate until a common action on the workpiece or the first pressing part according to the end of the first Verf ahr partial route can not continue.
- Both sub-pistons are acted upon by their own associated first and second return spring. These return springs can also be chosen differently with respect to their restoring force.
- the design of the hydraulic piston in the form of two sub-pistons causes in this context that a sub-piston can be moved in such a holding position against spring force.
- the second sub-piston is in clamping system to a workpiece, but the first sub-piston has not yet reached the end of the first Verf-partial path, when pressure is applied to the second pressing part a pressure increase in the hydraulic fluid is triggered, resulting in a movement of the first Partial piston can lead against its return spring, if the first pressing part, as assumed here, is not in contact with the workpiece.
- the pressing part may in particular be a crimping punch.
- the two pressed parts, the first and the second pressed part, can be combined to form a complete crimping punch.
- the second pressing part may form a middle portion of the entire crimping punch
- the first pressing part may constitute an outer portion of the overall crimping punch.
- control of the pressing force is performed by changing the effective urging area of the piston.
- control of the pressing force is performed sensorless and also preferred that the control is carried out solely by said change in the effective loading surface of the piston.
- the pressing device also relate to the hydraulic device of a more general nature, for example only for the purpose of clamping a workpiece.
- it may be a hydraulic press ram, which is supported on one side only on a workpiece, which is supported on the other side, for example, by a support surface (independently of the hydraulic device, or another hydraulic ram).
- Fig. 1 is a perspective view of a pressing device
- Fig. 2 is a view concerning a narrow side
- FIG. 3 is a view concerning a broadside; 4 shows a cross section through the pressing device, in the upper area, with inserted large workpiece.
- FIG. 5 shows a representation according to FIG. 4, in a method of the partial piston up to a first contact with the workpiece;
- FIG. 6 shows the pressing device according to FIG. 4, when the highest pressing force is reached;
- 7 shows a representation according to FIG. 4, but with a small workpiece;
- FIG. 8 shows the pressing tool with inserted workpiece according to FIG. 7 according to a method of the partial pressing piston up to a first contact with the workpiece;
- FIG. 9 shows an illustration of the pressing tool with workpiece according to FIG. 7, when the highest pressing force is reached
- FIG. 10 is an illustration of the hydraulic device in a clamping position with respect to a workpiece
- FIG. 11 shows a cross section through a compression sleeve with inserted electrical conductor of larger and smaller diameter.
- FIG. 12 shows the clamping sleeve according to FIG. 11 after pressing; FIG. and
- FIG. 13 is a plan view of the compressed compression sleeve according to FIG. 12. Shown and described is a pressing device 1, which is designed as a hand tool.
- the pressing device 1 has a grip region 2, which is adapted approximately to the width of a hand with respect to its longitudinal extent. Associated with the grip area is an actuating switch 3.
- the illustrated pressing device 1 is an electrohydraulically actuable pressing device 1 with an accumulator 4.
- the accumulator 4 is arranged opposite to a working end 5 of the pressing device.
- the pressing device 1 shown in FIG. 1 is elongated, approximately in the form of a rod.
- the pressing device 1 further comprises a pressing member 6, which is formed in the embodiment as a crimping die.
- the pressing device 1 has a press counter-stop 7, against which a workpiece to be pressed can be applied, as also shown in FIG. 4, for example.
- the counter-stop 7 is in the embodiment part of a first pivot member 9, which in cooperation with a second pivot member 10 which are respectively mounted on pivot joints 11, 12 on a device head 13, can be brought to interlock, so that in the device head 13 the For example, from Figure 3 apparent closed - but laterally open - investment management results.
- the pressing device 1 has an electric motor 14 which is not shown in any further detail and which preferably acts on a pump 16 via a gear 15.
- hydraulic fluid preferably hydraulic oil, pumped.
- the hydraulic medium is received in a preferred embodiment of the pump 16 and a return valve 18 surrounding hydraulic fluid tank 19.
- the pump and the return valve is still on the WO-AI 02/95264 (US 7 086 979 B2), WO-AI 99/04165 (US 6,202,663 Bl) and the WO-AI 99/19947 (US Pat. No. 6,276,186 Bl, US Pat. No. 6,401,515 B2).
- a first hydraulic piston 20 is received in the first hydraulic cylinder 17.
- the first hydraulic cylinder 17 has a cylinder longitudinal axis A.
- the first hydraulic piston 20 can be moved axially relative to the cylinder longitudinal axis A.
- the first hydraulic piston 20 can be further moved back by a first return spring 21 upon release of the hydraulic pressure or flow of the hydraulic fluid into its initial position shown in Figure 4.
- the first hydraulic piston 20 further includes a first urging surface resulting from the difference of the diameter dimensions a, outer diameter, and b, inner diameter of the first hydraulic piston 20.
- the trained as a partial piston first hydraulic piston 20 performs in its interior, in the embodiment and preferably centrally in its interior, a second hydraulic piston 22.
- the second hydraulic piston 22 has its own part-Beetzschlagungs Colour, which is determined by the fürmesserillon b. Accordingly, in the embodiment and preferably the partial loading surfaces are circular or annular.
- the second hydraulic piston 22, also referred to as a second partial piston can be returned to its initial position after pressing in the same manner against a second return spring 23, as already described in principle with respect to the first hydraulic piston 20.
- the first hydraulic piston 20 is connected to a first pressing part 24.
- the first pressing part 24 which emerges from a passage opening 25 in a cylinder bottom part 26 or also protrudes in the non-actuated state, is formed.
- the second sub-piston 22 is also continued in a piston rod on the other side as a second pressing member 27 in the - in the embodiment but also preferred - circumferentially closed pressing space R, see Figure 3, even in the unused state is free.
- the first pressing member 24 is axially completely covered by the second pressing member 27 in the embodiment.
- first pressing member 24 may project beyond the second pressing member 27 transverse to the cylinder longitudinal axis A and, for example, as further illustrated, nested with the second Preset 27 match in the initial state according to Figure 4.
- Both sub-pistons 20 and 22 are telescopically guided into each other.
- the second sub-piston 22, with respect to its second piston rod protrudes beyond the first sub-piston 20 with respect to its first piston rod.
- the first partial piston 20 correspondingly forms a second hydraulic cylinder for the second partial piston 22.
- the second sub-piston 22 is movable relative to the first sub-piston 20 by the dimension c, while the first sub-piston 20 relative to the first, fixed to the housing hydraulic cylinder 17 by the dimension d is movable. Accordingly, the second partial piston 22 is movable in total by a maximum of the sum of the dimensions c and d.
- the dimension d is set by the fact that, starting from the cylinder bottom part 26, a stop part 27 extends in the first hydraulic cylinder 17, counter to the direction of travel of a partial piston when carrying out a pressing operation.
- This can, and it is preferred in the embodiment, be formed like a sleeve.
- the dimension d can also be modified comparatively easily by using an abutment portion 28 having a different extension.
- both sub-pistons 20, 22 can be acted upon by a first Verf ahr-partial path, which corresponds to the dimension d, together on the second pressing member 27.
- first Verf ahr-partial path which corresponds to the dimension d
- second pressing member 27 can be acted upon only by the second sub-piston 22.
- the second sub-piston 22 can also be further advanced than the first sub-piston 20, although the relative travel distance according to the dimension c with respect to that applicable to the second sub-piston 22 is preferred by the first sub-piston 20 formed second hydraulic cylinder, is less than the dimension d for the maximum travel distance of the first partial piston 20th
- the partial loading surfaces given by the dimensions a and b are preferably selected in the exemplary embodiment such that the first partial loading surface, which is assigned to the first partial piston 20, is larger than the second partial loading surface of the second partial piston 22.
- the restoring forces of the return springs which typically and preferably in the exemplary embodiment increase approximately linearly with the extension of the first and second partial travel paths according to the dimensions d and c, are preferably selected such that the restoring force of the second return spring 23 is greater than the restoring force of the restoring force first return spring 21.
- a cable lug 29 has a receiving space 30 in which a - in the embodiment stripped - end of a cable 31 is inserted. By press action of outside the receiving space 30 of the cable lug 29, the cable 31 is firmly and electrically connected to the cable lug 29.
- Figures 4 to 6 show the compression of a comparatively - in terms of the outer diameter of the receiving space 30 - large cable lug.
- hydraulic fluid here hydraulic oil
- the downstream gear 15 and the pump 16 hydraulic fluid, here hydraulic oil
- the pressure in the hydraulic fluid chamber or in the cylinder chamber increases continuously due to the counterpressure by the return springs.
- a significant increase in pressure then starts when, as shown in FIG. 5, a first contact of the first pressing part 27 with the cable lug 29 takes place. Since in this case the first partial piston 20 has not yet come to rest on the abutment part 28, both partial pistons 20, 22 move further in the direction of the cable shoe 29 to be crimped.
- Deviating from this could also take place, for example, a pressure measurement in the cylinder chamber with respect to the pressure of the hydraulic fluid or For example, a pressure measurement in the piston skirt of the first and second partial piston.
- a return movement of a hydraulic piston could be effected, for example by actuated, in particular motorized, opening of a return valve.
- the first sub-piston 20 is already in abutment with the abutment part 28 before the second pressing part 27 has reached its press-end position (FIG. 9).
- the pressing force is only determined by the sub-loading surface of the second hydraulic piston 22.
- a telescopic ancestor of the second press part 27 with respect to the first press part 24 will occur.
- such telescoping could already occur beforehand in the course of a pressing process. This is obviously also dependent on the force of the return springs 21, 23.
- the pressing member When pressing a large workpiece, in this case a large cable lug, as shown in FIGS. 4 to 6, according to the method, the pressing member is only moved on a shorter path as far as reaching the press end position than with a smaller workpiece 8, as is the case is shown in Figures 7 to 9.
- One of the pressing part 24 and 27 exercisable pressing force is accordingly controlled in dependence on the position of the pressing part 24 or 27 on the travel, specifically in the embodiment by the position of the abutment member 28 that by the pressing member 24 and / or 27 only at a press end position within a first traversing partial travel a maximum Press force is exercised.
- the first traversing partial travel is in the embodiment by the travel of the first hydraulic piston 20 from an initial position, for example, according to Figure 7 until reaching the stop 28, as determined in Figure 9 determined.
- a relation to the maximum pressing force only lower partial pressing force is exercised, determined in the embodiment by the then only effective partial loading surface of the second hydraulic piston 22 according to the measure
- the smaller Beauftschungsflä- also provides only a smaller force.
- FIG. 10 shows a hydraulic device, in further detail the hydraulic pressing device, as has already been described above, in the state of a clamping of a workpiece 8.
- the second pressing part 27, which may also be given here only as a clamping part, is telescopically moved to the first pressing part or clamping part 24.
- the said pressing or clamping parts 24, 27 are connected to the already described part pistons 20, 22.
- Both sub-pistons 20, 22 are moved a distance in the extension direction in the common hydraulic cylinder 27, in this case the acting on the second clamping member 27 second partial piston 22 leading to the first clamping member 24 acting on the first partial piston 20th
- a compression sleeve 33 is shown, first, in Figure 11, in the initial state, before a compression.
- the compression sleeve 33 is given as a tube-shaped part of constant diameter.
- each cable 31 and 34 can be seen from two opposite sides of cables 31 and 34 larger or smaller diameter inserted.
- Such cables may be copper or aluminum cables.
- each cable is more preferably composed of a plurality of strands per se. With regard to the different diameters can be linked to the different common cable cross sections.
- it may be the pairing (large / small) each of 35 mm 2 to 16 mm 2 , 95 mm 2 to 16 mm 2 , 185 mm 2 to 70 mm 2 , 120 mm 2 to 95 mm 2 , with more Variants for this are possible, that is, for example, 70 mm 2 to 16 mm 2 , 120 mm 2 to 95 mm 2, etc.
- the automatic adjustment of the lower or higher pressing force also depends on the pressed conductor of larger or smaller cross-section.
- a hydraulically actuable pressing device which is characterized in that the hydraulic piston 20, 22 consists of a first and a second partial piston 20, 22 having a first and second partial loading surface, that the partial loading surfaces are acted upon by the hydraulic fluid having the same hydraulic pressure and that both sub-pistons 20, 22 are connected to a first and second pressing part.
- a hydraulic pressing device which is characterized in that the partial pistons 20, 22 are guided telescopically in one another.
- a hydraulic pressing device which is characterized in that the first partial piston 20 forms a second hydraulic cylinder for the second partial piston 22.
- a hydraulic pressing device which is characterized in that with two partial pistons 20, 22 over a portion of the travel distance on the second pressing member 27 is acted, wherein, preferably, the second partial piston 22 with respect to the first hydraulic cylinder 17 is further advanced than the first part piston 20th ,
- a hydraulic pressing device characterized in that the sub-loading surfaces are different in size, wherein, preferably, the first sub-loading surface is smaller than the second sub-loading surface.
- a hydraulic pressing device which is characterized in that both partial pistons 20, 22 are acted upon by a first 21 and second return spring 23.
- a method for carrying out a pressing which is characterized in that a pressing force exerted by the pressing part 24, 27 on the Ver ahrweg is predetermined in response to a position of the pressing part 24, 27 so that by the pressing member 24, 27 only at a press End position within a first part of the method a maximum pressing force is exerted and only at a press end position within a subsequent path to the first part of the method subsequent traversing partial travel a lower partial pressing force than the maximum pressing force is exerted.
- a method characterized in that the completion of a press action is determined by reaching a predetermined acting on the hydraulic piston 20, 22 pressure of the hydraulic fluid, wherein, preferably, regardless of whether a press end position in the first or second Ver Partial path is reached, an effective loading surface of the pressing member 24, 27 acting on piston itself a maximum pressure is applied.
- a method characterized in that for the specification of the pressing force, a change in the effective loading surface of the piston is controlled.
- a method of manufacturing an electrically conductive interference fit characterized in that the compression sleeve 33, which has a constant inner diameter over its length, in two in a longitudinal direction the compression sleeve opposite areas with the cables of different diameters by twice the same press ram from the outside of the compression sleeve 33, over the length of the compression sleeve side by side and each associated with an end region to be pressed of the larger diameter cable or the smaller diameter cable is pressed with a at both actions different press force.
- An electrically conductive compressed compression sleeve which is characterized in that the cables have different diameters, that the compression ram impressions (35, 36) are equal and that the ram impressions (35, 36) are formed at different depths in the compression sleeve, wherein a compression punch impression associated with the smaller diameter cable is molded deeper into the compression sleeve than a compression punch impression associated with the larger diameter cable.
- a method for clamping a workpiece characterized in that a first and a second clamping part is provided, that a first and a second sub-piston are provided, which are telescopically movable in the common hydraulic cylinder against the force of a respective return spring, of the at least the first part piston the first
- Clamping part for clamping of the workpiece moves, wherein further upon application of the partial piston with hydraulic medium both partial piston, the first part piston leading to the second part piston, moved to a clamping of the workpiece resulting clamping position and the method of the partial piston is terminated in the clamping position.
- a hydraulic device characterized in that a first and a second clamping part is provided, that a first and a second part provided in the common hydraulic cylinder are telescopically movable against the force of a respective return spring, wherein in any case the first clamping part of the first part piston for clamping the workpiece is movable, wherein further upon application of the partial piston with hydraulic medium both partial pistons, the first part piston leading to the second part piston until a clamping position resulting in the clamping position of the workpiece can be moved and the method of the partial piston in the clamping position can be terminated.
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2896736A CA2896736A1 (en) | 2013-01-09 | 2014-01-06 | Hydraulically actuatable pressing device, method for performing pressing, method for producing an electrically conductive press-fit connection, electrically conductive pressed compression sleeve, method for clamping a workpiece and hydraulic device |
BR112015015248A BR112015015248A2 (pt) | 2013-01-09 | 2014-01-06 | dispositivo de compressão manobrado hidraulicamente, processo para realização de uma compressão, processo para produção de uma conexão por pressão eletricamente condutora, luva de pressão comprimida, eletricamente condutora, processo para aperto de uma peça a trabalhar e dispositivo hidráulico |
MX2015008746A MX2015008746A (es) | 2013-01-09 | 2014-01-06 | Dispositivo de prensa de accionamiento hidraulico, metodo para ejecucion de prensado, metodo para produccion de conexion prensada electroconductora, manguito de compresion electroconductor prensado, metodo para apriete de pieza de trabajo y dispositivo hidraulico. |
US14/759,765 US10468847B2 (en) | 2013-01-09 | 2014-01-06 | Hydraulically actuatable crimping device, method for carrying out a crimping operation, method for producing an electroconductive compression joint, electroconductively crimped compression sleeve, method for clamping a workpiece and hydraulic device |
RU2015133180A RU2668989C2 (ru) | 2013-01-09 | 2014-01-06 | Гидравлически приводимое в действие прессовальное устройство и способ выполнения прессования. |
CN201480004108.6A CN104904076B (zh) | 2013-01-09 | 2014-01-06 | 可液压操作的挤压装置、实施挤压的方法、形成导电压接的方法、导电地被挤压的挤压套管、夹紧工件的方法和液压装置 |
EP14700440.2A EP2944001B1 (de) | 2013-01-09 | 2014-01-06 | Hydraulisch betätigbare pressvorrichtung und verfahren zur durchführung einer verpressung |
AU2014204921A AU2014204921B2 (en) | 2013-01-09 | 2014-01-06 | Hydraulically actuatable pressing device, method for performing pressing, method for producing an electrically conductive press-fit connection, electrically conductive pressed compression sleeve, method for clamping a workpiece and hydraulic device |
ES14700440T ES2790643T3 (es) | 2013-01-09 | 2014-01-06 | Dispositivo de prensado que se puede activar hidráulicamente y procedimiento para la realización de un prensado |
KR1020157021458A KR102112983B1 (ko) | 2013-01-09 | 2014-01-06 | 유압 작동 가능한 가압 장치, 가압 실시 방법, 전도성 압입 연결부 제조 방법, 전도성으로 가압된 압축 슬리브, 공작물 클램핑 방법 및 유압 장치 |
ZA2015/04940A ZA201504940B (en) | 2013-01-09 | 2015-07-09 | Hydraulically actuatable pressing device, method for performing pressing, method for producing an electrically conductive press-fit connection, electrically conductive pressed compression sleeve, method for clamping a workpiece and hydraulic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013100183.1 | 2013-01-09 | ||
DE102013100183.1A DE102013100183A1 (de) | 2013-01-09 | 2013-01-09 | Hydraulisch betätigbare Pressvorrichtung, Verfahren zur Durchführung einer Verpressung, Verfahren zur Herstellung einer elektrisch leitfähigen Pressverbindung, elektrisch leitfähig verpresste Presshülse, Verfahren zum Klemmen eines Werkstücks und hydraulische Vorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014108361A1 true WO2014108361A1 (de) | 2014-07-17 |
Family
ID=49958443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/050075 WO2014108361A1 (de) | 2013-01-09 | 2014-01-06 | Hydraulisch betätigbare pressvorrichtung, verfahren zur durchführung einer verpressung, verfahren zur herstellung einer elektrisch leitfähigen pressverbindung, elektrisch leitfähig verpresste presshülse, verfahren zum klemmen eines werkstücks und hydraulische vorrichtung |
Country Status (13)
Country | Link |
---|---|
US (1) | US10468847B2 (de) |
EP (1) | EP2944001B1 (de) |
KR (1) | KR102112983B1 (de) |
CN (1) | CN104904076B (de) |
AU (1) | AU2014204921B2 (de) |
BR (1) | BR112015015248A2 (de) |
CA (1) | CA2896736A1 (de) |
DE (1) | DE102013100183A1 (de) |
ES (1) | ES2790643T3 (de) |
MX (1) | MX2015008746A (de) |
RU (1) | RU2668989C2 (de) |
WO (1) | WO2014108361A1 (de) |
ZA (1) | ZA201504940B (de) |
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DE102015102806A1 (de) | 2015-02-27 | 2016-09-01 | Gustav Klauke Gmbh | Verfahren zum Betreiben eines hydraulisch betriebenen Handgerätes sowie hydraulisch betriebenes Handgerät |
DE102016111874A1 (de) | 2016-06-29 | 2018-01-04 | Gustav Klauke Gmbh | Verfahren zum Betreiben eines hydraulisch betriebenen Handgerätes sowie hydraulisch betriebenes Handgerät |
DE102017128909A1 (de) | 2017-09-27 | 2019-03-28 | Erko Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa | Crimpenverfahren von Verbindern oder Kabelschuhen und Vorrichtung zur Durchführung des Verfahrens |
DE102018100517A1 (de) | 2018-01-11 | 2019-07-11 | Gustav Klauke Gmbh & Co | Akkumulatorbetriebenes Hand-Arbeitsgerät sowie Verfahren zum Betreiben eines solchen Gerätes |
CN110270941A (zh) * | 2018-03-13 | 2019-09-24 | 深圳大学 | 一种可伸缩的多功能数显电动液压钳 |
WO2019219819A2 (de) | 2018-05-18 | 2019-11-21 | Gustav Klauke Gmbh | Arbeitsgerät mit einem hydraulikzylinder sowie hand-arbeitsgerät, wie eine zange oder presse |
WO2020053036A1 (de) | 2018-09-10 | 2020-03-19 | Gustav Klauke Gmbh | Handwerkzeug und hüllteil für ein handwerkzeug |
WO2020053101A1 (de) | 2018-09-10 | 2020-03-19 | Gustav Klauke Gmbh | Presswerkzeug |
US10987794B2 (en) | 2019-01-23 | 2021-04-27 | Gustav Klauke Gmbh | Accumulator-operated hand-held working apparatus as well as method for operating such an apparatus |
DE102020120825A1 (de) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Pressbacken sowie Verfahren zur Herstellung eines Presslings und Verfahren zum Verpressen mit Pressbacken |
DE102020131036A1 (de) | 2020-10-12 | 2022-04-14 | Gustav Klauke Gmbh | Hydraulisch betätigbare, als Handgerät ausgebildete Arbeitsvorrichtung |
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JP6993268B2 (ja) * | 2018-03-20 | 2022-01-13 | 三和テッキ株式会社 | 単動式油圧圧縮工具 |
US11236849B2 (en) | 2019-09-04 | 2022-02-01 | Techtronic Cordless Gp | Pressing tool and method for a re-pressing operation |
CN111525362A (zh) * | 2020-04-29 | 2020-08-11 | 广东电网有限责任公司 | 一种电动液压装置 |
KR102134318B1 (ko) * | 2020-05-20 | 2020-07-16 | 김인호 | 케이블 연결용 슬리브 압착장치 |
DE102021122853A1 (de) | 2021-09-03 | 2023-03-09 | Gustav Klauke Gmbh | Paar von Werkzeugteilen, Verfahren zur Abisolierung eines Kabels sowie Verfahren zum Vercrimpen eines Presslings |
DE202023101054U1 (de) | 2023-03-06 | 2023-07-14 | Gustav Klauke Gmbh | Presswerkzeug mit einem Paar von Werkzeugteilen zum Vercrimpen eines Presslings sowie Paar von Werkzeugteilen für ein Presswerkzeug |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015102806A1 (de) | 2015-02-27 | 2016-09-01 | Gustav Klauke Gmbh | Verfahren zum Betreiben eines hydraulisch betriebenen Handgerätes sowie hydraulisch betriebenes Handgerät |
US10688646B2 (en) | 2015-02-27 | 2020-06-23 | Gustav Klauke Gmbh | Method for operating a hydraulically operated hand-held device and hydraulically operated hand-held device |
US11612990B2 (en) | 2016-06-29 | 2023-03-28 | Gustav Klauke Gmbh | Method for operating a hydraulically operated handheld device, and hydraulically operated handheld device |
DE102016111874A1 (de) | 2016-06-29 | 2018-01-04 | Gustav Klauke Gmbh | Verfahren zum Betreiben eines hydraulisch betriebenen Handgerätes sowie hydraulisch betriebenes Handgerät |
WO2018001691A1 (de) | 2016-06-29 | 2018-01-04 | Gustav Klauke Gmbh | Verfahren zum betreiben eines hydraulisch betriebenen handgerätes sowie hydraulisch betriebenes handgerät |
DE102017128909A1 (de) | 2017-09-27 | 2019-03-28 | Erko Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa | Crimpenverfahren von Verbindern oder Kabelschuhen und Vorrichtung zur Durchführung des Verfahrens |
PL422990A1 (pl) * | 2017-09-27 | 2019-04-08 | Zakl Metalowe Erko R Petlak Spolka Jawna Bracia Petlak | Sposób zaciskania złączek lub końcówek kablowych oraz urządzenie do realizacji sposobu |
DE102018100517A1 (de) | 2018-01-11 | 2019-07-11 | Gustav Klauke Gmbh & Co | Akkumulatorbetriebenes Hand-Arbeitsgerät sowie Verfahren zum Betreiben eines solchen Gerätes |
CN110270941A (zh) * | 2018-03-13 | 2019-09-24 | 深圳大学 | 一种可伸缩的多功能数显电动液压钳 |
WO2019219819A2 (de) | 2018-05-18 | 2019-11-21 | Gustav Klauke Gmbh | Arbeitsgerät mit einem hydraulikzylinder sowie hand-arbeitsgerät, wie eine zange oder presse |
US11919131B2 (en) | 2018-05-18 | 2024-03-05 | Gustav Klauke Gmbh | Working device having a hydraulic cylinder and manual working device such as a pliers or a press |
WO2020053036A1 (de) | 2018-09-10 | 2020-03-19 | Gustav Klauke Gmbh | Handwerkzeug und hüllteil für ein handwerkzeug |
US11878398B2 (en) | 2018-09-10 | 2024-01-23 | Gustav Klauke Gmbh | Pressing tool |
WO2020053101A1 (de) | 2018-09-10 | 2020-03-19 | Gustav Klauke Gmbh | Presswerkzeug |
US10987794B2 (en) | 2019-01-23 | 2021-04-27 | Gustav Klauke Gmbh | Accumulator-operated hand-held working apparatus as well as method for operating such an apparatus |
DE102020120825A1 (de) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Pressbacken sowie Verfahren zur Herstellung eines Presslings und Verfahren zum Verpressen mit Pressbacken |
WO2022029320A2 (de) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Pressbacken sowie verfahren zur herstellung eines presslings und verfahren zum verpressen mit pressbacken |
DE102020131036A1 (de) | 2020-10-12 | 2022-04-14 | Gustav Klauke Gmbh | Hydraulisch betätigbare, als Handgerät ausgebildete Arbeitsvorrichtung |
WO2022078944A1 (de) | 2020-10-12 | 2022-04-21 | Gustav Klauke Gmbh | Hydraulisch betätigbare, als handgerät ausgebildete arbeitsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
RU2668989C2 (ru) | 2018-10-05 |
KR20150104621A (ko) | 2015-09-15 |
MX2015008746A (es) | 2015-11-13 |
ES2790643T3 (es) | 2020-10-28 |
AU2014204921A1 (en) | 2015-07-09 |
AU2014204921B2 (en) | 2018-03-01 |
US10468847B2 (en) | 2019-11-05 |
EP2944001A1 (de) | 2015-11-18 |
KR102112983B1 (ko) | 2020-05-20 |
CN104904076A (zh) | 2015-09-09 |
CA2896736A1 (en) | 2014-07-17 |
EP2944001B1 (de) | 2020-02-26 |
US20150364889A1 (en) | 2015-12-17 |
DE102013100183A1 (de) | 2014-07-10 |
RU2015133180A (ru) | 2017-02-15 |
CN104904076B (zh) | 2017-11-10 |
ZA201504940B (en) | 2016-10-26 |
BR112015015248A2 (pt) | 2017-07-11 |
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