CN105500278B - Hydraulic tool - Google Patents
Hydraulic tool Download PDFInfo
- Publication number
- CN105500278B CN105500278B CN201610003933.5A CN201610003933A CN105500278B CN 105500278 B CN105500278 B CN 105500278B CN 201610003933 A CN201610003933 A CN 201610003933A CN 105500278 B CN105500278 B CN 105500278B
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- CN
- China
- Prior art keywords
- switching device
- hydraulic tool
- driver element
- supporting leg
- moving part
- 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.)
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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
- B25B27/026—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 fluid driven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
-
- 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
- B25B5/00—Clamps
- B25B5/04—Clamps with pivoted jaws
-
- 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
- B25B5/00—Clamps
- B25B5/16—Details, e.g. jaws, jaw attachments
Abstract
The present invention relates to a kind of hydraulic tool, it includes working cell, driver element, connection unit and switching device.Working cell is suitable to operate workpiece.Driver element is configured to be driven working cell, and including housing and is arranged on the moving part that can be moved in the housing and between initial position and final position.Connection unit connects working cell and driver element.Switching device can rotate between the first location and the second location.When switching device is in first position, the moving part of driver element has the first stroke from initial position position to terminal；When switching device is in the second place, the moving part of driver element has second stroke smaller than the first stroke.
Description
Technical field
The present invention relates to the hydraulic tool of a kind of hydraulic tool, particularly a kind of workpiece for such as pipe.
Background technology
The content of this part provide only the background information related to the disclosure, and it may not constitute prior art.
Being commonly used for crimping the hydraulic tool (being also referred to as crimping tool in some cases) of the workpiece of such as pipe includes work
The driving list for make unit (also referred to as crimping unit in some cases), being handled workpiece for driving working cell
Member and the connection unit that working cell is connected to driver element.Driver element is often fluid pressure type driving unit, and it includes
Hydraulic cylinder, the piston and piston rod being contained in hydraulic cylinder, are referred to as moving part by piston and piston rod herein.In hydraulic pressure work
After tool is completed, the moving part of driver element often has single stroke.
Therefore, a kind of hydraulic tool that can be changed stroke and/or change working cell is expected in this area.
The content of the invention
, should it is an object of the present invention to provide a kind of hydraulic tool that can be changed stroke and/or change working cell
Hydraulic tool may be adapted to various application occasions or workpiece.
A further object of the present invention is to provide a kind of lower-cost hydraulic tool.
One or more of above-mentioned purpose can be realized by following proposal：A kind of hydraulic tool include working cell,
Driver element, connection unit and switching device.Working cell is suitable to operate workpiece.Driver element is configured to job note
Member is driven, and including housing and is arranged in the housing and can be moved between initial position and final position
Moving part.Connection unit connects working cell and driver element.Switching device can first position and the second place it
Between rotate.When switching device is in first position, the moving part of driver element have from initial position to terminal position the
One stroke；When switching device is in the second place, the moving part of driver element has second stroke smaller than the first stroke.
Preferably, the switching device is the sleeve being arranged on the outer surface of the connection unit.
Preferably, the switching device includes stop part.When the switching device is in the first position, the switching
The stop part of device does not hinder the movement of the moving part of the driver element that the moving part is existed
Moved between the initial position and the final position.When the switching device is in the second place, the switching dress
The stop part put can be by the moving part backstop of the driver element positioned at the initial position and the end
Middle position between point position enables the moving part to be moved between the centre position and the final position
It is dynamic.
Preferably, the hydraulic tool also includes the actuator for being used to drive the working cell, and the actuator is installed
On bracket, the bracket is fixedly mounted in the end of the piston rod of the driver element, the switching device it is described
Stop part is configured for bracket described in backstop.
Preferably, the stop part is the protruding part extended from the inner surface of the sleeve, the protruding part with it is described
Sleeve is integrally formed, or is separately formed with the sleeve and is attached to the sleeve.
Preferably, the hydraulic tool also includes the switching device being positioned at the first position and/or described the
The positioner of two positions.
Preferably, the positioner includes ball and the elastic component for applying bias force to the ball.The connection is single
The holding part for housing the ball and the elastic component is provided with member.The first hole and second are provided with the switching device
Hole.When the switching device is located at first position, the elastic component urges the ball so that the ball is against first hole；
When the switching device is located at the second place, the elastic component urges the ball so that the ball is against second hole.
Preferably, the hydraulic tool also includes being used to limit the stopping means of the axial location of the switching device.
Preferably, the stopping means includes the collar of one end setting of the neighbouring switching device and/or adjacent to described
The other end of switching device and the stage portion on the outer surface of the connection unit.
Preferably, the first supporting leg and second that the connection unit includes matrix part, extended parallel to from described matrix portion
Supporting leg.The working cell is arranged between first supporting leg and second supporting leg.Described matrix portion is connected to the drive
Moving cell, or be a part for the driver element.
Alternatively, the first supporting leg and second that the switching device includes matrix part, extended parallel to from described matrix portion
Supporting leg.When the switching device is in the first position, in first supporting leg and described second of the switching device
The first recess formed between supporting leg and formed between first supporting leg of the connection unit and the second supporting leg
Two recess are aligned.When the switching device be in the second place when, first supporting leg of the switching device and/or
Second supporting leg covers second recess of the connection unit at least in part.Such structure is for different size
Working cell for have more preferable adaptability.
When the switching device is in the first position, first stroke of the moving part in 90mm extremely
Between 265mm, it is therefore preferable to 100mm.
In addition, when the switching device is in the second place, second stroke of the moving part exists
35mm is between 50mm, it is therefore preferable to 41mm.
It can be crimping tool or cutting implement according to the hydraulic tool of the present invention, can be used for tubulose especially
The crimping tool or cutting implement of workpiece.
Brief description of the drawings
By description referring to the drawings, the feature and advantage of one or several embodiments of the invention will become more
Plus be readily appreciated that, wherein：
Fig. 1 is the schematic perspective view of the hydraulic tool according to embodiment of the present invention；
Fig. 2 is the switching device of the elevational schematic of the hydraulic tool according to embodiment of the present invention, wherein hydraulic tool
Initial position is in the first rotation position and roller；
Fig. 3 is the switching device of the elevational schematic of the hydraulic tool according to embodiment of the present invention, wherein hydraulic tool
Final position is in the first rotation position and roller；
Fig. 4 is the switching device of the elevational schematic of the hydraulic tool according to embodiment of the present invention, wherein hydraulic tool
In the second rotation position and roller is in an intermediate position；
Fig. 5 is the switching device of the elevational schematic of the hydraulic tool according to embodiment of the present invention, wherein hydraulic tool
Final position is in the second rotation position and roller；
Fig. 6 shows the schematic diagram of the component of the cylinder head according to the switching device of embodiment of the present invention and driver element,
Wherein switching device is in the first rotation position；
Fig. 7 is Fig. 6 diagrammatic cross-section；
Fig. 8 is the schematic diagram equipped with big working cell according to the hydraulic tool of embodiment of the present invention, wherein switching dress
Put in the first rotation position；
Fig. 9 shows the schematic diagram of the component of the cylinder head according to the switching device of embodiment of the present invention and driver element,
Wherein switching device is in the second rotation position；
Figure 10 is Fig. 9 diagrammatic cross-section；
Figure 11 is the schematic diagram equipped with small working cell according to the hydraulic tool of embodiment of the present invention, wherein switching dress
Put in the second rotation position；And
Figure 12 is the schematic diagram of the connection unit according to embodiment of the present invention；
Figure 13 is the profile of switching device and cylinder head when switching device is in the first rotation position；
Figure 14 is the schematic diagram that switching device is positioned to the first rotational position；
Figure 15 is the profile of switching device and cylinder head when switching device is in the second rotation position；And
Figure 16 is the schematic diagram that switching device is positioned to the second rotational position.
Embodiment
Description related to the preferred embodiment is only exemplary below, and is definitely not to the present invention and its application or usage
Limitation.Adopt in various figures and identical part is denoted by the same reference numerals, therefore the construction of same parts will not
Repeat description.
The hydraulic tool according to embodiment of the present invention is described referring to Fig. 1 to Figure 10.It should be understood that being
Illustrative purpose, herein illustrates the principle of the present invention by taking the crimping tool operated to pipe as an example.However, the present invention is simultaneously
Crimping tool is not limited to, for example, present invention can also apply to clamp tool, cutting implement, compression tool etc..
Referring to Fig. 1, it illustrates according to embodiment of the present invention for the crimping tool that is crimped to pipe.Such as Fig. 1
It is shown, can be the form of hand held electric tool according to the crimping tool 1 of embodiment of the present invention.Crimping tool 1 can be wrapped
Include crimping unit (or being working cell) 30, driver element 20 and the company between crimping unit 30 and driver element 20
Order member 26.Crimping unit 30 can be configured to crimp the workpiece of such as pipe.Driver element 20 can be configured to driving
Crimp unit 30.
Referring to Fig. 2, it is the elevational schematic of the hydraulic tool according to embodiment of the present invention.As shown in Fig. 2 crimping is single
Member 30 includes two crimping components 31 and 33.The two crimping components 31 and 33 can be the form of plate, in one plane simultaneously
Arrange and be disposed adjacently.Preferably, crimping component 31 and 33 can have same structure, and big on axis therebetween
Cause symmetrically, wherein, the axis is approximately perpendicular to the longitudinal axis of workpiece to be crimped (for example, pipe) and is properly termed as symmetry axis
Line.Here, describe for convenience, the side (face) adjacent to each other for crimping component 31 and 33 is referred to as inner side (face), and by its that
This remote side (face) is referred to as outside (face)；The end (portion) that the neighbouring driver element of component 31 and 33 will be crimped is referred to as the inner
(portion), and the end (portion) that will be far from driver element is referred to as outer end (portion).
Crimping component 31 and 33 each includes pressure contact portion and the drive division for driving pressure contact portion.Crimp component 31 and 33
Pressure contact portion includes electrolysis 311 and 331 close to outer end and on medial surface, and workpiece is placed in by crimping component 31 and 33
Electrolysis 311 and 331 formation space in.The drive division of component 31 and 33 is crimped close to driver element and on medial surface
Including cam surface (or being driven surface) 312 and 332.
Component 31 and 33 can will be crimped by pin connection mode to be arranged between two side plates 35.As illustrated, passing through
Pin 34 by crimp component 33 be connected between two side plates 35, by pin 32 will crimp component 31 be connected to two side plates 35 it
Between.So, when the drived unit of cam surface 312 and 332 drives, crimping component 31 is pivoted around pin 32, and crimps component
33 pivot around pin 34.That is, when cam surface 312 and 332 is pivoted away from each other, the then pivot toward each other of electrolysis 311 and 331
Turn, vice versa.
In the example shown in the series of figures, side plate 35 is in substantially T-shaped, including transverse part and leg.Distinguish at the two ends of transverse part
It is provided with for receiving the hole of pin 32 and 34, and the hole for receiving pin 36 is provided near the free end of leg, wherein,
Pin 36 is used to being connected to connection unit 26 and and then being connected to driver element 20 crimping unit 30.
Driver element 20 can be hydraulic drive unit.In one example, driver element 20 can include having inside
The cylinder body 21 of cavity and the moveable moving part under hydraulic action being contained in the cavity of cylinder body.Cylinder body 21 is some
It can be the housing of driver element in example.Cylinder body 21 is referred to as the static part of driver element 20.In hydraulic-driven list
In the case of member, moving part can include piston 23 and be connected to piston 23 and the piston rod 25 moved with piston 23.
When filling high-pressure fluid into hydraulic cylinder, piston 23 and piston rod 25 the direction pressure under the promotion of high-pressure fluid
Order member 30 is moved.When crimping tool is not operated, piston 23 and piston rod 25 are in initial position (as shown in Figure 2).In pressure
During bonding tool is crimped, it is referred to as final position (such as Fig. 3 corresponding to the position of piston 23 and the range of piston rod 25
It is shown).That is, piston 23 and piston rod 25 may move between initial position and final position.In piston 23 and piston
While bar 25 is moved, piston 23 and piston rod 25 promote the drive division (that is, cam surface 312 and 332) for crimping component 31 and 33
Pivoted respectively around pin 32 and 34, so as to being contained in the space that the electrolysis 311 and 331 by crimping component 31 and 33 is limited
Workpiece crimped.In one example, spring 27, spring 27 and high-pressure fluid can also be provided with piston rod 25
Hydraulic coupling applies elastic force to piston 25 on the contrary, to force piston 25 to be back to initial position after pressure release.
In one example, it can also be provided for promoting the crimping He of component 31 respectively at the free end of piston rod 25
33 actuator, for example, roller 22.Roller 22 can be attached to piston rod 25 as follows：When piston rod 25 is translated, roller
Son 22 can be rolled around the central axis of its own, but not be translated relative to piston rod 25.Roller 22 is in a rolling manner
On the cam surface 312 and 332 for acting on crimping component 31 and 33, can greatly reduce roller 22 and cam surface 312 and 332 it
Between friction, so as to reduce energy dissipation and reduce roller 22, the abrasion of cam surface 312 and 332.
Connection unit can be provided between unit with crimping in driver element.Connection unit can be single component simultaneously
Driver element or working cell are fixedly attached to, or can be a part for driver element or working cell.For example, connection is single
Member is the cylinder head of hydraulic drive unit.Referring to Figure 12, it is the schematic diagram of the connection unit according to embodiment of the present invention.As schemed
Shown, connection unit 26 includes matrix part 265, the first supporting leg 261 extended from described matrix portion 265 and from matrix part 265
The second supporting leg 263 extended parallel to the ground of the first supporting leg 261.Crimping unit 30 is placed in the first supporting leg 261 and the second supporting leg 263
Between.In the example presented in the figure, connection unit 26 is a part for driver element 20.For example, the matrix part 265 of connection unit 26 with
The cylinder body or housing of driver element are integrally formed.
Through hole 262 can be provided with its free end in the first supporting leg 261, and in the second supporting leg 263
Through hole 264 can be provided with its free end so that pass through the through hole 262 that inserts pin 36 in first supporting leg 261, side
Crimping unit 30 is detachably connectable to connection in the through hole 264 in corresponding hole and the second supporting leg 263 in plate 35
Unit 26.
For ease of roller 22 is attached into piston rod 25, bracket 24 can be provided with.Bracket 24 is fixedly mount to piston
Bar 25, and roller 22 is pivotally attached on bracket 24, roller 22 is thus connected to work via bracket 24
Stopper rod 25.In the case where being provided with roller and bracket, roller and bracket are also considered as the moving part of driver element.Roller
22 and bracket 24 translate together with piston rod 25, therefore, the stroke of roller 22 and bracket 24 and piston rod 25 and piston 23
Stroke is identical, and it is also referred herein as the stroke of moving part.
Also included making what moving part switched between long stroke and short stroke to cut according to the hydraulic tool of the present invention
Changing device.Referring to accompanying drawing, switching device 10 is arranged on the outer surface of connection unit 26 and adjacent to the liquid of hydraulic drive unit 20
Press chamber.It can be rotated between the first location and the second location according to the switching device 10 of the present invention.
Referring to Fig. 6 and Fig. 7, switching device 10 is in first position, and bracket 24 is in initial position.In initial position
Place, bracket 24 is connected the stopper section 266 of unit 26.When filling high-pressure fluid into hydraulic cavities, the pressure of fluid is promoted
Piston 23 is moved, and piston 23 drives piston rod 25, bracket 24 and roller 22 to move together.Now, bracket 24 is away from stopper section
266 move towards crimping unit 30.Component 31 and 33 is crimped to pivot to carry out crimping operation to workpiece around pin 32 and 34 respectively.
When reaching desired crimping level, the Fluid pressure in hydraulic cavities reaches maximum, and moving part is also at final position.
At this moment, relief valve is opened, the fluid pressure drop in hydraulic cavities.In the presence of spring 27, piston 23 is returned until bracket 24
Against stopper section 266 in initial position.When switching device 10 is in first position, the moving part of driver element 20 is moved
The first stroke from initial position position is to terminal moved.
Referring to Fig. 9 and Figure 10, switching device 10 is in the second place.Stop part is provided with the inner surface of switching device 10
166.As shown in Figure 10, bracket 24 by the backstop of stop part 166 in the centre position between its initial position and final position
Place.That is, due to the presence of stop part 166 so that bracket 24 can not be back to initial position as shown in Figure 7.In this feelings
Under condition, when filling high-pressure fluid into hydraulic cavities, the pressure of fluid promotes piston 23 to move, the drive of piston 23 piston rod 25,
Bracket 24 and roller 22 are moved together.Now, bracket 24 is moved from the centre position shown in Figure 10 initially towards crimping unit 30
It is dynamic.Component 31 and 33 is crimped to pivot to carry out crimping operation to workpiece around pin 32 and 34 respectively.When reaching desired crimping water
Usually, the Fluid pressure in hydraulic cavities reaches maximum, and moving part is also at final position.At this moment, relief valve is opened, liquid
Press the fluid pressure drop of intracavitary.In the presence of spring 27, piston 23 is returned until bracket 24 is in against stop part 166
Centre position shown in Figure 10.When switching device 10 is in the second place, the moving part of driver element 20 is moved therefrom
Between position position to terminal the second stroke, second stroke is less than above-mentioned first stroke.First stroke can 90mm with
Between 265mm, it is therefore preferable to 100mm.Second stroke can be between 35mm and 50mm, it is therefore preferable to 41mm.
It can change the moving part of driver element 20 by the way that switching device 10 is rotated to the second place from first position
Stroke.It is easy according to the simple in construction of the switching device of the present invention, operation.
In the example shown in the series of figures, the part of the neighbouring driver element 20 of switching device 10 has the first internal diameter, and switches
The part of the neighbouring crimping unit 30 of device 10 has the second internal diameter, wherein, the second internal diameter is more than the first internal diameter.So, backstop
Part 166 is the form of step.However, it should be understood that stop part 166 can also be that by any other of above-mentioned functions
Suitable form.For example, stop part can be can be to the moving part of driver element when switching device is in the second place
Play the forms such as salient point, the shoulder of backstop action.Alternatively, it can be set in the appropriate position of switching device and connection unit
Hole is put, when switching device is in the second place, pin is inserted in connection unit through this some holes and bracket 24 can be played
Backstop action.
In another example, it is also provided with being used to switching device being positioned at first according to the hydraulic tool of the present invention
Position and/or the positioner of the second place.Figure 14 is the schematic diagram that switching device is positioned to the first rotational position；Figure 16
It is the schematic diagram that switching device is positioned to the second rotational position.Described referring to Figure 14 and Figure 16 according to of the invention real
Apply the positioner of mode.
Ball 220 and spring (elastic component) 230 are included according to the positioner of embodiment of the present invention.In connection unit 26
It is provided with the holding part 267 for housing ball 220 and spring 230.In the example shown in the series of figures, switching device 10 is arranged on connection list
The outside of member 26.Holding part 267 is the form in the hole radially extended, and ball 220 and spring 230 are contained in the hole, wherein, ball
220 spring 230 radial outside.Spring 230 radially outwardly biases ball 220, i.e. biased towards switch unit 10.Cut
The first hole 101 and the second hole 102 are provided with changing device 10.When switching device 10 is located at first position, spring 230 compels pressure ball
220 cause ball 220 against the first hole 101 (as shown in figure 15).When switching device 10 is located at the second place, spring 230 is urged
Ball 220 causes ball 220 against the second hole 102 (as shown in figure 16)., can when ball 220 is against the first hole 101 or the second hole 102
To prevent switching device 10 from being rotated relative to connection unit 26.
In another embodiment of the method in accordance with the present invention, hydraulic tool can also include the axial direction for being used to limit switching device
The stopping means of position.As illustrated, including one end of neighbouring switching device 10 according to the stopping means of embodiment of the present invention
Collar 210.As shown in figure 9, collar 210 is arranged on connection unit 26.Furthermore it is possible on the outer surface of connection unit 26
Another end of neighbouring switching device 10 sets stage portion 268, to prevent switching device 10 in axial direction towards in Fig. 9
Left side movement.
In addition, the job note for allowing to change different size can also be arranged to according to the structure of the switching device of the present invention
Member.Switching device according to another embodiment of the invention is described referring to Fig. 6,8,9 and 11.
As shown in Fig. 6,8,9 and 11, switching device 10 is substantially cylindrical in shape, and with the knot similar to connection unit 26
Structure.Switching device 10 can include matrix part 165, the first supporting leg 161 and flat from matrix part 165 extended from matrix part 165
The second supporting leg 163 that row extends in the ground of the first supporting leg 161.It should be understood that switching device 10 can have the circle more than 180 degree
Week, as long as it may be mounted on connection unit and can be rotated relative to connection unit.
When switching device 10 is in first position as shown in Figure 6, in the first supporting leg 161 and second of switching device 10
The first recess for being formed between supporting leg 163 and formed between the first supporting leg 261 and the second supporting leg 263 of connection unit 26
Second recess is radially aligned, to house long crimping component 31 and 33 (as shown in figure 8 and 13).
When switching device 10 is in the second place as shown in Figure 9, the first supporting leg 161 of switching device 10 and second
Leg 163 covers a part for the second recess of connection unit 26, only allows accommodating shorter (such as Figure 11 of crimping component 31 and 33
With shown in Figure 15).
Fig. 2 and Fig. 3 are the elevational schematic for the crimping tool for being provided with long crimping component, wherein, driver element it is movable
Part is then in final position in figure 3 in initial position in fig. 2.Fig. 4 and Fig. 5 are the pressure for being provided with short crimping component
The elevational schematic of bonding tool, wherein, the moving part of driver element is in an intermediate position in Fig. 4 and is then in Figure 5
Final position.By contrast, the stroke of the moving part of driver element in figs. 2 and 3 is more than in figures 4 and 5
Stroke.Therefore, according to the present invention switching device can not only change driver element moving part stroke and also can be more
Change the hydraulic tool of different size.
It should be understood that the structure of diagram is not limited to according to the structure of the switching device of the present invention, as long as can realize
Above-mentioned functions.
The purpose of above description is only that principle and various pieces of the preferred embodiment referring to the drawings to the present invention
Function be described, it is to be understood, however, that the invention is not limited in embodiment illustrated, as long as hydraulic tool is each
The structure of individual part can realize above-mentioned functions and purpose., can be to upper in the case of without departing substantially from the scope of the present invention
State embodiment and make many changes.In addition, all components described here can be equivalent in other technologies component
To replace.Protection scope of the present invention should be limited only by the following claims.
Claims (14)
1. a kind of hydraulic tool (1), it includes：
Working cell (30), the working cell (30) is suitable to operate workpiece；
Driver element (20), the driver element (20) is configured to be driven the working cell (30), and including shell
Body and it is arranged on the moving part (23,25) that can be moved in the housing and between initial position and final position；
Connection unit (26), the connection unit (26) connects the working cell (30) and the driver element (20)；And
Switching device (10), the switching device (10) can rotate between the first location and the second location,
Wherein, when the switching device is in the first position, the moving part of the driver element has from described
Initial position to the final position the first stroke,
When the switching device is in the second place, the moving part of the driver element has than the first row
The second small stroke of journey,
The switching device is the sleeve being arranged on the outer surface of the connection unit,
The switching device (10) includes stop part (166),
When the switching device (10) is in the first position, the stop part of the switching device does not hinder the driving
The movement of the moving part of unit enables the moving part between the initial position and the final position
It is mobile,
When the switching device is in the second place, the stop part of the switching device can be by the driver element
The moving part backstop the middle position between the initial position and the final position cause it is described can
It can be moved between the centre position and the final position dynamic part.
2. hydraulic tool (1) as claimed in claim 1, wherein, the hydraulic tool also includes being used to drive the job note
The actuator (22) of member, the actuator is arranged on bracket (24), and the bracket is fixedly mounted in the driver element
The end of piston rod, the stop part of the switching device is configured for bracket described in backstop.
3. hydraulic tool (1) as claimed in claim 1, wherein, the stop part is to extend from the inner surface of the sleeve
Protruding part, the protruding part is integrally formed with the sleeve, or is separately formed and is attached to described with the sleeve
Sleeve.
4. hydraulic tool (1) as claimed in claim 1, wherein, the hydraulic tool also includes positioning the switching device
Positioner in the first position and/or the second place.
5. hydraulic tool (1) as claimed in claim 4, wherein, the positioner includes ball (220) and for the ball
Apply the elastic component (230) of bias force,
The holding part (267) for housing the ball and the elastic component is provided with the connection unit (26),
The first hole (101) and the second hole (102) are provided with the switching device, wherein, when the switching device is located at first
During position, the elastic component urges the ball so that the ball is against first hole；When the switching device is located at second
When putting, the elastic component urges the ball so that the ball is against second hole.
6. hydraulic tool (1) as claimed in claim 1, wherein, the hydraulic tool also includes being used to limit the switching dress
The stopping means for the axial location put.
7. hydraulic tool (1) as claimed in claim 6, wherein, the stopping means includes the one of the neighbouring switching device
Hold the collar (210) set and/or the other end of the neighbouring switching device and positioned at the outer surface of the connection unit (26)
On stage portion (268).
8. the hydraulic tool (1) as any one of claim 1 to 7, wherein, the connection unit (26) includes matrix part
(265), the first supporting leg (261) and the second supporting leg (263) extended parallel to from described matrix portion (265),
Wherein, the working cell (30) is arranged between first supporting leg and second supporting leg；And
Described matrix portion (265) is connected to the driver element (20), or is a part for the driver element (20).
9. hydraulic tool (1) as claimed in claim 8, wherein, the switching device (10) includes matrix part (165), from institute
The first supporting leg (161) and the second supporting leg (163) that matrix part (165) is extended parallel to are stated,
When the switching device be in the first position when, the switching device (10) first supporting leg (161) with
The first recess (169) formed between second supporting leg (163) and first supporting leg in the connection unit (26)
(261) the second recess (269) alignment formed between the second supporting leg (263),
When the switching device be in the second place when, first supporting leg (161) of the switching device (10) and/or
Second supporting leg (163) covers second recess of the connection unit at least in part.
10. hydraulic tool (1) as claimed in claim 9, wherein, when the switching device is in the first position, institute
First stroke of moving part (23,25) is stated in 90mm between 265mm.
11. hydraulic tool (1) as claimed in claim 9, wherein, when the switching device is in the first position, institute
First stroke for stating moving part (23,25) is 100mm.
12. hydraulic tool (1) as claimed in claim 9, wherein, when the switching device is in the second place, institute
Second stroke of moving part (23,25) is stated in 35mm between 50mm.
13. hydraulic tool (1) as claimed in claim 9, wherein, when the switching device is in the second place, institute
Second stroke for stating moving part (23,25) is 41mm.
14. hydraulic tool (1) as claimed in claim 9, wherein, the hydraulic tool be crimping tool, clamp tool or
Cutting implement.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610003933.5A CN105500278B (en) | 2016-01-05 | 2016-01-05 | Hydraulic tool |
| US15/777,702 US10759037B2 (en) | 2016-01-05 | 2017-02-24 | Hydraulic tool |
| PCT/CN2017/074719 WO2017118444A1 (en) | 2016-01-05 | 2017-02-24 | Hydraulic tool |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003078102A1 (en) * | 2002-03-19 | 2003-09-25 | Attexor Clinch Systems S.A. | Safety arrangement for an apparatus for carrying out a squeezing type of operation on a mechanical workpiece |
| CN2892379Y (en) * | 2006-03-29 | 2007-04-25 | 天津市润实科技发展有限公司 | Pneumatic hydraulic tongs for shearing and press connecting |
| CN201047368Y (en) * | 2007-06-15 | 2008-04-16 | 中国第一重型机械集团公司 | Stroke adjustable fluid pressure cylinder |
| CN105171698A (en) * | 2015-07-28 | 2015-12-23 | 艾默生管道工具(上海)有限公司 | Hydraulic tool |
| CN205325587U (en) * | 2016-01-05 | 2016-06-22 | 艾默生管道工具(上海)有限公司 | Hydraulic tool |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003078102A1 (en) * | 2002-03-19 | 2003-09-25 | Attexor Clinch Systems S.A. | Safety arrangement for an apparatus for carrying out a squeezing type of operation on a mechanical workpiece |
| CN2892379Y (en) * | 2006-03-29 | 2007-04-25 | 天津市润实科技发展有限公司 | Pneumatic hydraulic tongs for shearing and press connecting |
| CN201047368Y (en) * | 2007-06-15 | 2008-04-16 | 中国第一重型机械集团公司 | Stroke adjustable fluid pressure cylinder |
| CN105171698A (en) * | 2015-07-28 | 2015-12-23 | 艾默生管道工具(上海)有限公司 | Hydraulic tool |
| CN205325587U (en) * | 2016-01-05 | 2016-06-22 | 艾默生管道工具(上海)有限公司 | Hydraulic tool |
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Address after: Songjiang Jiangtian industrial zone of Shanghai City Road 201613 No. 89 Patentee after: Emerson precision tool technology (Shanghai) Co.,Ltd. Address before: Shanghai Jiangtian road 201613 Songjiang Industrial Zone No. 89 Patentee before: Emerson Professional Tools (Shanghai) Co.,Ltd. |
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