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WO2003050923A1 - Appareil de sertissage hydraulique - Google Patents

Appareil de sertissage hydraulique Download PDF

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Publication number
WO2003050923A1
WO2003050923A1 PCT/AU2002/001662 AU0201662W WO03050923A1 WO 2003050923 A1 WO2003050923 A1 WO 2003050923A1 AU 0201662 W AU0201662 W AU 0201662W WO 03050923 A1 WO03050923 A1 WO 03050923A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic fluid
hydraulic
outlet
duct
crimper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/AU2002/001662
Other languages
English (en)
Inventor
Michael Stuart Sneath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MSS POWER SYSTEMS Pty Ltd
Original Assignee
MSS POWER SYSTEMS Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MSS POWER SYSTEMS Pty Ltd filed Critical MSS POWER SYSTEMS Pty Ltd
Priority to US10/495,379 priority Critical patent/US20050005672A1/en
Priority to AU2002366659A priority patent/AU2002366659A1/en
Publication of WO2003050923A1 publication Critical patent/WO2003050923A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • 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

Definitions

  • This invention relates to a crimper. It relates particularly but not exclusively to a hydraulic crimper which is suitable for crimping lugs and links associated with the assembly of high voltage cables.
  • crimping tools are generally used. Because these crimping tools often need to be used by a workman operating in an elevated position, it is important that they be designed to operate rapidly and safely. Furthermore, they must be sufficiently light to enable a single operator to readily lift them into position for crimping. Typically, the weight of crimping devices should be no greater than about 9kg. Their design must also facilitate easy handling and balancing. The devices should preferably be weighted in such a way that they can be lifted in place with one hand and operated by that same hand.
  • crimping tools there are a number of different types of crimping tools on the market. Of these there are two basic types which have the closest similarity to applicant's invention.
  • One type is battery powered. It has the required balance and weight characteristics. However, it is relatively slow in operation because of the limitations inherent in using a battery powered supply. It also has a limited number of crimping cycles per battery charge.
  • the second basic type of crimping device is operated by an externally supplied source of hydraulic power which connects to the device through long hydraulic hoses. Because the device is associated with control systems for the hydraulic operation, it is configured in such a way that it is not readily balanced unless an operator uses both hands to hold it. This can be a significant disadvantage in the awkward situations encountered when crimping power lines at elevated locations.
  • the invention provides in one aspect a hydraulic crimper comprising, an elongate crimping assembly having a crimping head moveable towards and away from a die, a handle for holding the crimping assembly, the handle extending above the crimping assembly and being constructed so that it has a balanced position where it may be held with the hydraulic crimper in balance, an actuator moveable between an on setting and an off setting, the actuator being located on the handle, a control valve for controlling flow of hydraulic fluid to move the crimping head, and a mechanical linkage extending from the actuator to the control valve whereby to control the movement of the crimping head in response to the setting of the actuator.
  • the weight of the hydraulic crimper is less than 9kg.
  • the elongate crimping assembly may have a forward end for holding the die and a rearward end.
  • the rearward end may include a piston and cylinder for moving the crimping head.
  • the handle may be attached at or near the rearward end of the crimping assembly. It may extend above and parallel to the crimping assembly. It may include the control valve.
  • the control valve may be housed in a housing connected to and forming an extension of the handle.
  • the actuator is located at a forward end of the handle. It may be located so that it may be moveable by finger or thumb pressure when the handle is being held at the balance point. It may be arranged to pivot when depressed to move a push rod.
  • the push rod may move the control valve to control the flow of hydraulic fluid and hence movement of the piston.
  • the actuator is biased so that it assumes a position whereby the crimping head is away from the die when there is no finger pressure on the actuator.
  • the control valve may comprise a housing and a spool moveable within the housing to control the flow of fluid.
  • the spool may be moveable by the push rod. It may be biased by hydraulic pressure to assume a configuration whereby the crimping head is away from the die when there is no fmger pressure on the actuator.
  • the control valve may be arranged to direct hydraulic fluid in front of and behind a piston in the piston chamber to move the crimping head away from and towards the die.
  • a secondary valve may be associated with the piston.
  • the secondary valve may be arranged to control flow of hydraulic fluid from a forward part of the piston chamber to a rearward part thereof. It may be a poppet valve fitted in the piston.
  • Adjustment means may be provided in association with the poppet valve.
  • the adjustment means may serve to allow the poppet valve to assume an open position or a closed position with regard to transfer of hydraulic fluid from the forward part of the piston chamber to the rearward part depending on its setting.
  • the adjustment means may be set to open or close the poppet valve.
  • Ducting may be provided in the piston to allow transfer of hydraulic fluid from the forward part of the piston chamber to the rearward part.
  • the poppet valve may operate to open and close the ducting to control flow of hydraulic fluid.
  • the secondary valve may comprise an adjustable valve provided in the handle. It may be arranged to allow fluid to bypass the piston chamber when the piston is fully retracted.
  • the secondary valve may comprise a spring loaded ball valve.
  • the hydraulic crimper includes a facility to prevent excess hydraulic fluid pressure build up in the crimper. This may be achieved by incorporating a pressure relief valve in the construction.
  • an hydraulic crimper comprising, an elongate crimping head moveable towards and away from a die, an actuator moveable between an on setting and an off setting, a control valve for controlling flow of hydraulic fluid under pressure to move the crimping head, an inlet for the hydraulic fluid, an outlet for the hydraulic fluid, a mechanical linkage extending from the actuator to the control valve whereby to control the movement of the crimping head in response to the setting to the actuator, an outlet duct for directing the hydraulic fluid from the control valve to the outlet, and a one way valve set to open and allow the hydraulic fluid to pass through the inlet.
  • one or more sections of the crimper the crimper may include a sensor for signalling the passage of hydraulic fluid through a duct.
  • the sensor may suitably be placed downstream of a pressure sensitive relief valve. It may be used as an indicator that the crimper has achieved the correct crimp force at the die.
  • the invention provides a sensor for signalling the passage of the hydraulic fluid through a duct comprising, a flow member exposed to the movement of the hydraulic fluid through the duct moveable in response to movement of the hydraulic fluid through the duct, and sensing means isolated from contact with the hydraulic fluid, the sensing means being responsive to movement of the flow member to provide a signal for indicating the passage of the hydraulic fluid.
  • the sensor may comprise a paddle mounted for pivotal movement in response to the passage of the hydraulic fluid through the duct and the sensing means may comprise a chamber for housing and isolating a moveable, visible indicator member from the hydraulic fluid, and at least one of the paddle and visible indicator may include a permanent magnet to magnetically tie the movement of the visible indicator to respond to movement of the paddle.
  • the chamber may include a transparent window through which the visible indicator may be viewed and the paddle may be connected to resilient means to urge the paddle to a rest position in the absence of the hydraulic fluid moving through the duct.
  • the hydraulic crimper include retraction means adapted to automatically retract the crimping head away from the die when the pressure of the hydraulic fluid falls below a predetermined limit.
  • the retraction means may comprise a spring telescoping a push rod connecting the piston and crimping head.
  • Figure 1 shows a plan view of a hydraulic crimper according to the invention
  • Figure 2 shows an isometric view of the crimper of Figure 1 ;
  • Figure 3 shows a section A-A taken through the crimper of Figure 1;
  • Figure 4 shows an exploded view of the crimper of Figure 1;
  • Figures 5 to 7 show a sequence of steps in the flow of hydraulic fluid through the crimper of Figure 1 with the crimper being set in an open centre mode;
  • Figures 8 to 10 show a sequence of steps in the flow of hydraulic fluid through the crimper of Figure 1 with the crimper being set in a closed centre mode;
  • Figure 11 shows a plan view of an alternative hydraulic crimper according the invention
  • Figure 12 shows a section A-A taken through the crimper of Figure 11 ;
  • Figure 13 shows a section B-B taken through the crimper of Figure 11 ;
  • Figure 14 shows a section C-C taken through the crimper of Figure 11 ;
  • Figure 15 shows an exploded view of the crimper of Figure 11 ;
  • Figures 16 to 18 show a sequence of steps in the flow of hydraulic fluid through the crimper of Figure 11 with the crimper being set in an open centre mode;
  • Figures 19 to 21 show a sequence of steps in the flow of hydraulic fluid through the crimper of Figure 11 with the crimper being set in a closed centre mode.
  • the hydraulic crimper generally designated 1 comprises an elongate crimping assembly 3 with a handle 5 attached at the rear of the crimping assembly.
  • the handle is constructed so that it may be lifted with one hand with the crimping assembly in balance.
  • a depressible actuator 7 is provided on a forward part of the handle in a location where a person holding the handle with one hand may depress the actuator with the thumb of that hand.
  • a push rod 13 attached at one end of the handle is arranged to push the control valve 37 in the direction of the left hand side of the page when the actuator 7 is depressed to cause it to pivot about the pivot 8 and hence push the push rod 13.
  • the general arrangement is such that depression of the actuator will ultimately cause the crimping head 11 to move towards the die 9 in response to the action of hydraulic pressure on a piston when the device is actuated.
  • the crimping head 11 and die 9 may each be configured to receive and hold an insert to provide an adjustable crimp size.
  • the die 9 connects with the remainder of the crimping assembly with the crimping head 11 slidable within a bore forming part of the die.
  • a push rod 14 connects at one end to the crimping head 11 and the piston 21 at its other end the push rod being slidable within the bore 15.
  • the bore 15 is formed in the connecting member 17.
  • the connecting member connects to the die 9 at one end and to the piston housing 25 which includes a cylindrical portion within which the piston may slide, at the other end.
  • the connecting member and piston housing define a cylindrical piston chamber 23 between them.
  • a screw 19 is used to attach the piston 21 to the push rod 14.
  • the crimping head connects to the other end of the push rod 14 by any suitable means such as a screw and thread arrangement.
  • An O-ring seal may be provided between the push rod 14 and portion of the crimping head telescoping the push rod.
  • a number of screws 26, shown more clearly in Figure 4, are used to attach the flared end of the connecting member 17 to the piston housing 25 to close off the piston chamber 23 in the manner illustrated.
  • a bore 27 is formed in a central portion of the piston 21.
  • the bore is shaped to receive the collar 30 in which is mounted a poppet valve 29.
  • the poppet valve is slidable within the collar to open and close the ducting 32 formed in the collar 30.
  • Ducting 31 in the piston is provided to allow fluid communication between the forward part of the piston chamber into the bore 27, through the duct 31 and into the gap 35 between the end of the piston and the end of the piston chamber when the poppet valve is in the open position.
  • a screw 33 mounted within a collar 34 is located so that it protrudes through the end wall of the piston housing 25 into the gap 35.
  • the screw is adjustable so that it may be brought into contact with an end of the poppet valve to close off the duct 32 when the piston is in its most rearward position.
  • the poppet valve may assume an open configuration when the piston is in its most retracted position allowing communication of fluid between the forward part of the piston chamber and the gallery 35.
  • a relief valve 45 is provided in association with the handle mounting and control valve for purposes to become apparent.
  • control valve 37 fits in the housing 39 forming part of the handle.
  • the housing 39 is formed from the same billet as the piston housing 25.
  • the control valve lies in a chamber 40 defined by the housing and is adjustable by movement of the push rod 13.
  • the control valve is arranged so that it controls the flow of hydraulic fluid such as oil from a pressure source through an inlet 58 through ducting to exit via the outlet 60. As shown in Figures 5 to 10 it controls the movement of the piston 21 within the piston chamber or cylinder 23.
  • the inlet and outlet are provided at the rear of the crimper.
  • Control of the piston is achieved by movement of a spool 49 forming part of the control valve within the housing 47 also forming part of the control valve.
  • the control valve operates by directing hydraulic fluid through the first and second ducts 41 and 43 to move the piston back and forth within the piston chamber/cylinder.
  • the housing 47 and spool 49 define a gallery 51 therebetween through which fluid may flow.
  • the push rod 13 moves the spool with respect to the housing 47. This changes the path of flow of fluid through the gallery, through the opening 53 in the spool, and the openings 56 and 55 in the housing 47. Thus it can direct the fluid flow in the ducts 43, 41 and 59.
  • the rearward end 54 of the spool is arranged so that it may be moved backwards by the action of the push rod 13 to telescope into and seal off the end of a fixed collar 61 provided in the housing. This has the effect of sealing off the openings 55 and 56.
  • a spring 62 located within the collar is arranged to push against the rearward end 54 of the spool to return it to its "rest” configuration when finger pressure on the activator is released.
  • the spool and housing 47 create a gallery 51 around which oil from the inlet 58 may flow into the second duct 43 and hence the piston chamber 23 forward of the piston. From there the oil flows through the duct 32 past the poppet valve and into the gap 35. It exits via the first duct 41 back through the opening 55, the collar 61 and out the outlet 60 ie. in this configuration oil simply flows into and out of the device as long as hydraulic pressure is maintained. In the industry this is called an open centre valve setting.
  • the push rod 13 moves the spool to the left of the page, as is illustrated in Figure 6, thereby closing off access of oil from the gallery 51 directly into the duct 43. This has the effect of shifting the flow of oil from the gallery so that it allows oil to flow into the openings 55 and 56 and hence the ducts 59 and 41.
  • the oil pressure is relieved through the relief valve 45 allowing oil coming from the gallery 51 to pass through the opening 56 and duct 59 to the relief valve and hence to the outlet 60.
  • the relief valve is set at a pressure to guarantee the full desired force is applied to the die. Typically the pressure would be about 1,500 to 2,000psi.
  • the valving for setting the device in the open/closed centre mode is located at the rear end of the handle; (ii) the device is set to automatically retract the crimper head should hydraulic pressure fail for whatever reason; (iii) a check valve is included in the ducting to prevent damage and improve safety should hydraulic hoses be wrongly connected in reverse to the inlet and outlet; and (iv) a visual indicator is included to show when the pressure relief valve is actuated in response to hydraulic pressure reaching a predetermined limit.
  • the hydraulic crimper shown in Figures 1 to 15 in appearance resembles that of the earlier embodiment in that it has a handle 107 which may be held with the hydraulic crimper in balance.
  • the forward end of the handle includes an actuator trigger 108 which can be reached by the thumb of a hand holding the crimper in balance.
  • the actuator 108 when it pivots pushes the rod 109 to change the settings of the control valve located in the rear of the handle 101, the rear of the handle forming a housing for the cartridge/spool 163 which is moved within the housing by the control rod to control hydraulic fluid flow as will be hereinafter described.
  • the rear handle 101 also forms a housing for the one way check valve comprising the check valve seat 119, ball 168 and spring 167.
  • the check valve seat 119 forms the inlet for the hydraulic crimper.
  • the check valve is arranged at the inlet to prevent damage should the hydraulic hoses be incorrectly attached to the device and to improve safety.
  • a relief valve 164 is also provided in the rear handle portion 101.
  • the relief valve is arranged in association with the indicator/sensor 271 which comprises the components 114 to 118, 120, 157, 158, 165, 166, 173 and 174 listed in the integer list. These components are arranged in the manner suggested by the exploded view in Figure 15 so as to create an indicator housing 114 separate from the hydraulic fluid.
  • the housing contains an indicator in the form of a magnet which is moveable in response to the movement of the spring loaded pivotally mounted paddle 115. Because the paddle is arranged in line with fluid flow it moves in response to the pressure of fluid once it has passed through the pressure relief valve. Thus the magnet 165 fitted in the paddle 115 induces movement in the corresponding magnet/indicator 166 in the separate housing.
  • the rear handle 101 also includes a housing for the return valve 161 held in place by the bush 113 acts as a retaining plug.
  • the bush forms a stop for a screw which can be used to adjust the setting of the valve.
  • the elongate crimping assembly 103 attached at the rear of the handle comprises a piston 102 which is slidable in a piston chamber closed by end cap 175.
  • the piston 102 is attached to the push rod 104 by screws 170.
  • the piston seal 152 and O-ring seals 153, 154, and 156 are provided in locations to ensure the appropriate degree of pressure seal required. Screws 169 secure the end cap 175 to the section defining the bore 100.
  • a push rod 104 is provided in a bore formed as part of an elongate extension of the cap.
  • a return spring 112 surrounds the push rod. The spring is arranged so as to urge the piston to the configuration shown in Figure 12 in the absence of any countervailing hydraulic pressure.
  • the crimping head includes a die 106 shaped to receive an insert of chosen size for crimping connectors and lugs for electrical cables.
  • a moveable crimper head shoe 162 mounted via the crimper head base 105 on the push rod 104 is arranged to be moved towards and away from the die 106.
  • a stop 111 mounted by the screws 172 is provided to facilitate correct location of the crimping die 106.
  • Ducting is provided in the handle and crimping assembly for controlling the flow of hydraulic fluid to the piston chamber.
  • the ducting will now be described with reference to Figures 16 to 21.
  • the piston 102 begins in a position where it is in its rearward position. This is in effect a default position given the urging of the return spring 112 and the effect of hydraulic pressure when the actuator trigger is not depressed.
  • control valve 274 is set so that hydraulic fluid entering the inlet 258 passes through the one way check valve 269 through the inlet duct 273 around the gallery formed around the valve spool into the second duct 243.
  • the forward piston chamber 280 is completely filled with hydraulic fluid and the piston 102 is at the most rearward part of its stroke, the build up of hydraulic fluid pressure in the duct 263 forces open the secondary valve 161.
  • the secondary acts as a return valve.
  • the valve opens and allows the fluid to flow through the outlet duct 262 and out the outlet 260.
  • FIG 17 there is shown a configuration in which the actuator 108 has been depressed to push the push rod 109 inwards and reset the control valve in a configuration where the hydraulic crimper is activated.
  • hydraulic fluid coming down the inlet duct 273 is diverted into the first duct 241 from whence it flows into the rear piston chamber 281.
  • the pressure of hydraulic fluid pushes the piston forward until it reaches its forward most point for crimping until it reaches its working pressure as set by the relief valve 245 and stops.
  • the hydraulic fluid from the forward piston chamber 280 passes out through the second duct 243 via a bore through the centre of the spool of the control valve and out the duct 270.
  • the pressure in duct 272 which is also in communication with duct 241 by virtue of the setting of the control valve, causes the relief valve 245 to open allowing the hydraulic fluid to flow into the indicator/sensor 271.
  • Movement of hydraulic fluid through the indicator 271 causes the paddle 115 with magnet 165 retained in the paddle to pivot. This in turn moves the magnet indicator 166 within its housing giving a visible indication that a correct crimp has been achieved by virtue of the fact that hydraulic fluid has flowed through the indicator/sensor 271. The hydraulic fluid then passes out through the outlet duct 262 and the outlet 260.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

L'invention concerne un appareil de sertissage hydraulique (1) comprenant: un ensemble sertissage de forme allongée (3) muni d'une extrémité avant et d'une extrémité arrière, cet ensemble comprenant une tête (11) pouvant être rapprochée et éloignée d'une matrice (9). L'appareil de l'invention comprend également une poignée (5) destinée à retenir l'ensemble sertissage, cette poignée s'étendant au-dessus de l'ensemble sertissage et étant fabriquée de manière à posséder une position d'équilibre pouvant être maintenue en équilibre avec l'appareil de sertissage hydraulique, un actionneur (7) pouvant être placé en position de marche ou d'arrêt, cet actionneur étant situé sur la poignée, une vanne de régulation (37) destinée à réguler l'écoulement du fluide hydraulique sous pression afin de déplacer la tête de sertissage, et une liaison mécanique (13) s'étendant à partir de l'actionneur vers la vanne de régulation en vue de réguler le mouvement de la tête de sertissage en réaction à la position de l'actionneur.
PCT/AU2002/001662 2001-12-11 2002-12-10 Appareil de sertissage hydraulique Ceased WO2003050923A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/495,379 US20050005672A1 (en) 2001-12-11 2002-12-10 Hydraulic crimping apparatus
AU2002366659A AU2002366659A1 (en) 2001-12-11 2002-12-10 Hydraulic crimping apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPR9420 2001-12-11
AUPR942001 2001-12-11

Publications (1)

Publication Number Publication Date
WO2003050923A1 true WO2003050923A1 (fr) 2003-06-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2002/001662 Ceased WO2003050923A1 (fr) 2001-12-11 2002-12-10 Appareil de sertissage hydraulique

Country Status (2)

Country Link
US (1) US20050005672A1 (fr)
WO (1) WO2003050923A1 (fr)

Cited By (2)

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EP3398763A1 (fr) * 2017-05-03 2018-11-07 TE Connectivity Corporation Procédé de surveillance de qualité de sertissage et système destiné à être utilisé avec un appareil de sertissage hydraulique
CN119108878A (zh) * 2024-10-28 2024-12-10 深圳市柯耐特科技有限公司 安装装置和装配设备

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US9370858B2 (en) 2012-06-25 2016-06-21 Hubbell Incorporated Bucket truck intensifier having a hydraulic manifold
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EP2912353A4 (fr) * 2012-10-26 2016-03-02 Legend Corporate Services Pty Ltd Outil à actionnement hydraulique
US10226826B2 (en) 2013-10-22 2019-03-12 Milwaukee Electric Tool Corporation Hydraulic power tool
EP3643422B8 (fr) * 2018-10-25 2023-07-26 Emerson Professional Tools AG Machine de pressage destinée au pressage d'outils
USD993014S1 (en) * 2021-03-16 2023-07-25 Ridge Tool Company Crimping tool
DE112022002592T5 (de) 2021-06-21 2024-03-07 Milwaukee Electric Tool Corporation Systeme und verfahren zum auswerten von crimpanwendungen
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GB2270727A (en) * 1992-09-18 1994-03-23 Dana Corp Portable collet crimping apparatus for crimping tubular hose fittings
WO1998036245A1 (fr) * 1997-02-14 1998-08-20 Resmed Limited Dispositif pour indiquer le debit d'un fluide a l'interieur d'un conduit
WO1999050621A1 (fr) * 1998-03-27 1999-10-07 Agricultural Products, Inc. Debitmetre d'irrigation reglable sur site, integre a une rampe d'irrigation et adapte aux debits eleves, normaux et faibles
EP1270959A2 (fr) * 2001-06-18 2003-01-02 Fci Outil hydraulique avec actionneur mécanique à vanne de contournement interieure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3398763A1 (fr) * 2017-05-03 2018-11-07 TE Connectivity Corporation Procédé de surveillance de qualité de sertissage et système destiné à être utilisé avec un appareil de sertissage hydraulique
US10522960B2 (en) 2017-05-03 2019-12-31 Te Connectivity Corporation Crimp quality monitoring method and system for use with a hydraulic crimping apparatus
CN119108878A (zh) * 2024-10-28 2024-12-10 深圳市柯耐特科技有限公司 安装装置和装配设备
CN119108878B (zh) * 2024-10-28 2025-11-14 深圳市柯耐特科技有限公司 安装装置和装配设备

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