CN103100888A - Hydraulic floating supporting device and supporting method thereof - Google Patents
Hydraulic floating supporting device and supporting method thereof Download PDFInfo
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- CN103100888A CN103100888A CN2013100621483A CN201310062148A CN103100888A CN 103100888 A CN103100888 A CN 103100888A CN 2013100621483 A CN2013100621483 A CN 2013100621483A CN 201310062148 A CN201310062148 A CN 201310062148A CN 103100888 A CN103100888 A CN 103100888A
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Abstract
The invention discloses a hydraulic floating supporting device and a supporting method thereof. The hydraulic floating supporting device comprises a body, and the body limits a first cavity body, a second cavity body and a bypass channel. A first valve is arranged on the bypass channel. When the bypass channel is opened, hydraulic liquid can be allowed to pass through from the first cavity body to the second cavity body through the bypass channel. A first piston which is arranged in the first cavity body is attached with the first cavity body in a sealing mode. The first piston is able to move from an initial position to a supporting position along the first cavity body under a pressing effect of the hydraulic liquid. A pressing head is driven by the first piston. A second piston which is installed in the second cavity is attached with the second cavity body in a sealing mode. The second piston is able to move form a release position to a locking position along the second cavity body under the pressing effect of the hydraulic liquid. A locking component which is driven by the second piston is used for locking the first piston on the supporting position. The hydraulic floating supporting device and the supporting method thereof are compact in structure and easy to install. The hydraulic floating supporting device and the supporting method thereof are not only provided with a hydraulic floating function, but also provided with a self-locking function and a recovering function.
Description
Technical field
The present invention relates to the frock clamp field, relate to particularly a kind of hydraulic floating supporting arrangement and bearing method thereof.
Background technology
In mechanical processing process; often can run into workpiece to be machined and be irregular, thin-wall part, large casing spare, shaped piece etc.; these parts are also needed to use some aiding supports except carrying out necessary location, clamping; purpose is in order to guarantee the equilibrium of forces of working between cutter, workpiece, fixture, to realize a closed system of operational forces.Preventing workpiece because the interaction of cutting force, deadweight, chronic power and clamping force causes distortion, and prevent that the mismachining tolerance that produces therefrom from causing waste product.Make up irregular contour because of workpiece so just need to be applied to assistant supporting mechanism, and many unfavorable factors of bringing such as the vibration that occurs in machining process and distortion.
Summary of the invention
The objective of the invention is in order to satisfy at least in part the demand of prior art, and a kind of hydraulic floating supporting arrangement and bearing method thereof of novelty are provided.
According to one aspect of the present invention, a kind of hydraulic floating supporting arrangement is provided, comprising:
Body, described body be section's bypass channel of defining the first cavity and the second cavity and being communicated with described the first cavity and the second cavity respectively within it; Described the first cavity can receive the hydraulic fluid from hydraulic fluid source;
Be arranged on first valve at described bypass channel place, be used for closing and opening described bypass channel; Described bypass channel allows described hydraulic fluid to enter described the second cavity from described the first cavity via described bypass channel when opening;
Be arranged on the first piston in described the first cavity, described first piston contacts with described the first cavity sealing, and can move to bearing position along described the first cavity from initial position under the pressure-acting of described hydraulic fluid;
By the pressure head that described first piston drives, be used for pressing and holding workpieces;
Be arranged on the second piston in described the second cavity, described the second piston contacts with described the second cavity sealing, and can move to latched position along described the second cavity from the off-position under the pressure-acting of described hydraulic fluid;
By the locking member of described the second piston actuated, be used for described first piston is locked in its bearing position.
When being elevated to predetermined pressure, opens the pressure of the described hydraulic fluid that preferably, described the first valve can be in described the first cavity described bypass channel.
Preferably, described the first valve is check valve, and more preferably, described check valve is the ball valve by the bias spring effect.
Preferably, described locking member is the voussoir that is arranged in described the first cavity, and described first piston is formed with the inclined-plane that matches with described voussoir;
Described the second cavity is towards described the first cavity hatch, to allow described the second piston to move and extend in described the first cavity, and promote that described voussoir moves towards described inclined-plane and against described inclined-plane, thereby prevent that described first piston from moving away described bearing position.
Preferably, described the second cavity is basic mutually vertical with the bearing of trend of described the first cavity.
Preferably, described body has alignment pin; Described first piston has the locating slot that extends along its moving direction; Described alignment pin extends in described locating slot, rotates to prevent described first piston.
Preferably, also comprise back-moving spring, be used for applying a reset force to described first piston, so that described first piston returns to its initial position.
Preferably, described body also has the inlet that is communicated with described the first cavity, is used for receiving the described hydraulic fluid from described hydraulic fluid source; Described inlet is limited by having of described body externally threaded threaded portion.
Preferably, described body also has the leakage hole that is communicated with described bypass channel and/or described the second cavity; And the place is provided be used to the second valve that opens and closes described leakage hole at described leakage hole.
Preferably, described first piston and described pressure head are integrally formed.
According to another aspect of the present invention, a kind of bearing method that uses the aforementioned hydraulic element floating support device is provided, comprising:
By described hydraulic fluid source to described the first cavity sap pressure supply liquid, described first piston begins to move forward from initial position along described the first cavity under the pressure-acting of described hydraulic fluid, simultaneously, described first piston drive ram moves together, until described pressure head presses and holding workpieces;
To described the first cavity sap pressure supply liquid, stop that by pressing described pressure head described first piston continues to move forward by described workpiece by described hydraulic fluid source, make the pressure of the hydraulic fluid in described the first cavity raise;
When the pressure of the described hydraulic fluid in described the first cavity was elevated to predetermined pressure, described the first valve was opened described bypass channel, made described hydraulic fluid enter described the second cavity from described the first cavity via described bypass channel;
Described the second piston moves to latched position along described the second cavity from the off-position under the pressure-acting of described hydraulic fluid, simultaneously, described the second described locking member of piston actuated moves together, until described locking member is locked in its bearing position with described first piston.
Preferably, described second valve is solenoid directional control valve.More preferably, described solenoid directional control valve is 2/2-way type solenoid directional control valve.
Hydraulic floating supporting arrangement of the present invention and bearing method are if any following beneficial effect:
1) compact conformation and installation are simple, are suitable for being directly installed on chuck body, can save many spaces like this, especially to the more aobvious preciousness of some harsh mounting condition.
2) possess the hydraulic floating function, for workpiece to be processed provides a self-reacting support, contact workpiece profile before processing.
3) have self-locking function, can be locked in this position after the profile that automatically adapts to workpiece, and locking property is reliable and stable, plays the aiding support effect.
4) have return function, can return to original state after process finishing.
5) good airproof performance can prevent the cooling fluid access to plant effectively.
Other details of the present invention is provided by following the detailed description and the accompanying drawings, and accompanying drawing is used for exemplary description hydraulic floating supporting arrangement of the present invention.Obviously, the claims and the described feature of a full piece of writing are not only applicable to corresponding legend, and can be used for other combinations or use individually, and do not break away from interest field of the present invention.
Description of drawings
Fig. 1 is the perspective view of the hydraulic floating supporting arrangement of a specific embodiment of the present invention;
Fig. 2 is the cutaway view along the A-A line of hydraulic floating supporting arrangement shown in Figure 1, and wherein first piston is in initial position; With
Fig. 3 is the cutaway view along the A-A line of hydraulic floating supporting arrangement shown in Figure 1, and wherein first piston is in bearing position.
The specific embodiment
Referring to description of drawings the preferred embodiment of the present invention.
Hydraulic floating supporting arrangement as shown in Figure 1, it comprises body 1.One end of body 1 has inlet 17.When work, inlet 17 can be connected with hydraulic fluid source (not shown), so that the receiving liquid press liquid enters the inside of body 1.This hydraulic fluid can be for example hydraulic oil.In one embodiment, this inlet 17 can be had by the outer surface of body 1 externally threaded threaded portion and limit, and can utilize easily like this this inlet 17 that this hydraulic floating supporting arrangement is arranged on clamp body.At the other end opposite with inlet 17 of body 1, pressure head 18 stretches out in body 1, is used for supporting workpiece to be processed.Be provided with leakage hole 8 in the side of body 1, be used for when work is completed, from the inner hydraulic fluid that discharges of body 1.This leakage hole 8 can be limited by the joint that removably is threaded onto body 1.And the structure of this leakage hole 8 is suitable for connecting other pipeline, in order to suitably reclaim the hydraulic fluid that discharges from body 1 inside.
Hydraulic floating supporting arrangement shown in Figure 1 sees more clearly in the cutaway view of Fig. 2 and Fig. 3.As shown in Figure 2, body 1 within it section define the first cavity 14 and the second cavity 15.The bearing of trend of the second cavity 15 and described the first cavity 14 can be substantially mutually vertical.In arrangement shown in Figure 2, the first cavity 14 is to extend along vertical basically, and the second cavity 15 is that along continuous straight runs extends basically.This first cavity 14 can be from the hydraulic fluid of inlet 17 receptions from hydraulic fluid source.Can also be provided with the bypass channel 16 that is communicated with the first cavity 14 and the second cavity 15 respectively in body 1.As shown in Figure 2, bypass channel 16 is connected between the first cavity 14 and the second cavity 15, and L-shaped extension.In the horizontal-extending of bypass channel 16 part, be provided with the first valve 9 being adjacent to the first cavity 14 places, be used for closing and opening this bypass channel 16.When the first valve 9 is opened bypass channel 16, allow hydraulic fluid to enter the second cavity 15 from this first cavity 14 via bypass channel 16.By bypass channel 16 is set, this body 1 only need to just can be inputted hydraulic fluid the first cavity 14 and the second cavity 15 from the hydraulic fluid of a hydraulic fluid source, so that the hydraulic pressure of a plurality of different directions to be provided.In other embodiments, the first cavity 14, the second cavity 15 and bypass channel 16 also can be arranged with other suitable direction and mode.
This first valve 9 can be check valve.In embodiment illustrated in fig. 2, this first valve 9 is the ball valve 92 by bias spring 91 effects.Under original state, the bias spring 91 in this first valve 9 applies biasing force by the ball valve 92 to for example steel ball, makes ball valve 92 sealing the first cavitys 14 lead to the entrance of bypass channel 16, thereby bypass channel 16 is closed.When the hydraulic pressure of the hydraulic fluid in the first cavity 14 increases to predetermined value, this hydraulic pressure acts on ball valve 92 and overcomes the biasing force of bias spring 91, thereby make ball valve 92 lead to the entrance of bypass channel 16 away from the first cavity 14, thereby open bypass channel 16.Can select to have according to described predetermined value the bias spring 91 of suitable biasing force.In other embodiments, this first valve 9 also can be selected the valve of other form.
Be provided with the part of the first valve 9 in bypass channel 16, the horizontal-extending part of L shaped bypass channel 16 as shown in Figure 2 preferably can be led to the straight line bearing of trend outside of body 1, and its size is suitable for this first valve 9 turnover bodies 1.Like this, in assembling during this hydraulic floating supporting arrangement, can be easily the first valve 9 be externally mounted to it in the installation site of body 1 inside from body 1.In the exit of body 1, this leakage hole 8 can be set in the part that is provided with the first valve 9 of bypass channel 16.This leakage hole 8 is communicated with bypass channel 16, in order to discharge hydraulic fluid from bypass channel 16 when end-of-job.As previously mentioned, this leakage hole 8 can be limited by the joint that removably is threaded onto body 1.This leakage hole 8 is arranged to dismountable form, and this also is convenient to the installation of the first valve 9.In other embodiments, replaceable or additionally, also can the leakage hole that be communicated with it be set at the second cavity 15 places.
8 places can arrange second valve 81 at this leakage hole, in order to open and close this leakage hole 8.This second valve 81 can be solenoid directional control valve, this solenoid directional control valve work normality is closure state, after the workpiece completion of processing, automatically send signal by the controller (not shown) to this solenoid directional control valve, make solenoid directional control valve open, like this, the hydraulic fluid in the second cavity 15 and bypass oil duct 16 can be discharged from this leakage hole 8.
Can be at the interior first piston 2 that arranges of the first cavity 14.First piston 2 can contact with the first cavity 14 sealing, and moves to bearing position along the first cavity 14 from initial position under the pressure-acting of hydraulic fluid that can be in the first cavity 14.The upper end of first piston 2 can be shaped as pressure head 18.In other embodiments, pressure head 18 can arrange with first piston 2 is independent, and is driven by first piston 2.The initial position of first piston 2 can be hydraulic fluid when not entering the first cavity 14, first piston 2 residing position.Fig. 2 exemplarily shows an initial position of first piston 2.The bearing position of first piston 2 can be hydraulic fluid when entering the first cavity 14, and first piston 2 moves under the effect of hydraulic pressure, thereby drives or band dynamic head 18 is moved into and presses and when supporting workpiece to be processed, first piston 2 residing position.Fig. 3 exemplarily shows a bearing position of first piston 2.Can strengthen sealing between them by the first sealing ring 12 is set between first piston 2 and the first cavity 14.
This first piston 2 position therebetween has the expansion section 19 that diameter increases, thereby the first side 191 and the second side 192 are provided respectively in the both sides of this expansion section 19.This first cavity 14 preferably can lead to the straight line bearing of trend outside of body 1, and its size is suitable for this first piston 2 these first cavitys 14 of turnover.Like this, in assembling during this hydraulic floating supporting arrangement, can be easily this first piston 2 be externally mounted to it in the installation site of the first cavity 14 inside of body 1 from body 1.
Automatically return to its initial position in order to be convenient to first piston 2 when the end-of-job, back-moving spring 4 can be set apply a reset force to first piston 2.Can spring compressor 5 be set in the exit that the first cavity 14 leads to body 1 outside, and this back-moving spring 4 be arranged between second side 192 of expansion section 19 of this spring compressor 5 and first piston 2.This spring compressor 5 is provided with the opening that stretches out for pressure head 18.Like this, when work, when the promotion of the hydraulic pressure in the first cavity 14 first piston 2 moves from its initial position to bearing position, will be by its second side 192 these back-moving springs 4 of compression.After end-of-job, due to the reduction of the first cavity 14 interior hydraulic pressures, this back-moving spring 4 will apply reset force to first piston 2 by this second side 192, thereby it is back into initial position.
The first cavity 14 can have the stage portion 141 relative with the first side 191 of the expansion section 19 of first piston 2.By this stage portion 141, can limit the initial position of first piston 2.
For the stability that keeps first piston 2 to move along the first cavity 14, for example in order to prevent that first piston 2 is in the first interior rotation of cavity 14, thereby affect machining accuracy, first piston 2 can have the locating slot 193 that extends along its moving direction, body 1 can be provided with alignment pin 6, and this alignment pin 6 can extend in locating slot 193.Like this, by the collaborative work of locating slot 193 and alignment pin 6, can allow first piston 2 to prevent that it from rotating with respect to the first cavity 14 when the first cavity 14 moves.
Can be at interior second piston 7 that arranges of the second cavity 15.The second piston 7 can contact with the second cavity 15 sealings, and can move to latched position along the second cavity 15 from the off-position under the pressure-acting of hydraulic fluid.When this off-position can hydraulic fluid enter the second cavity 15, the second piston 7 residing position.Fig. 2 exemplarily shows an off-position of the second piston 7.This latched position can be hydraulic fluid when entering the second cavity 15, the second piston 7 under the effect of hydraulic pressure when the direction of first piston 2 moves and first piston 2 is locked in its bearing position, the second piston 7 residing position.Fig. 3 exemplarily shows a latched position of the second piston 7.Can strengthen sealing between them by the second sealing ring 13 is set between the second piston 7 and the second cavity 15.
This second cavity 15 preferably can lead to the straight line bearing of trend outside of body 1, and its size is suitable for this second piston 7 these second cavitys 15 of turnover.Like this, in assembling during this hydraulic floating supporting arrangement, can be easily this second piston 7 be externally mounted to it in the installation site of the second cavity 15 inside of body 1 from body 1.Can arrange in the exit that the second cavity 15 leads to the outside of body 1 and bury bolt 11 and seal, prevent leakage of hydraulic fluid.
One side of this second piston 7 has the section that dwindles 71 of reduced, thereby a pressurized side 72 is provided at this root place that dwindles section 71.This dwindles section 71 and is used for preventing that the second piston 7 from disconnecting (that is, not being communicated with) with the second cavity 15 and bypass channel 16, and this length of dwindling section 71 is arranged so that the hydraulic pressure that this pressurized side 72 can be accepted all the time from the hydraulic fluid of the second cavity 15.As shown in Figure 2, even the second piston 7 moves to its most left position, namely, the section that dwindles 71 of the second piston 7 with bury bolt 11 against (at this moment, bury bolt 11 as the left side stop part of the second piston 7), because this dwindles section 71, make the second piston 7 can not seal the entrance that bypass channel 16 leads to the second cavity 15, make the hydraulic fluid from bypass channel 16 still can enter into the second cavity 15; And the hydraulic fluid in the second cavity 15 can be by applying hydraulic pressure on pressurized side 72, and make the second piston 7 move right.
The second cavity 15 can move and extend in the first cavity to allow the second piston 7 towards the first cavity 14 openings, from the voussoir 3 of side direction promotion as locking member, in order to first piston 2 is locked in its bearing position, as shown in Figure 3.Voussoir 3 can be arranged in the first cavity 14, and first piston 2 can be formed with the inclined-plane 194 that matches with voussoir 3 in the face of on the side of voussoir 3.When the second piston 7 promotes voussoirs 3 against the inclined-plane 194 of first piston 2, can prevent that first piston 2 from moving away bearing position, move to the direction of its initial position.
In other embodiments, also can adopt the locking member of other type that is different from voussoir 3, and by the second piston 7, it be driven.In another unshowned embodiment, this locking member for example can be formed in the right-hand end of the second piston 7, and is rendered as concaveconvex structure; Simultaneously the concaveconvex structure that matches can be set on the surface of first piston 2, thereby make the second piston 7 move right and stretch into the first cavity 14 when interior, the second piston 7 and first piston 2 concaveconvex structure separately can be mutually chimeric, lock realizing.
In addition, the outside of body 1 preferably can be led in the vertical extension of L shaped bypass channel 16 with the straight line bearing of trend, can be convenient to like this processing of body 1.The exit that can lead in the vertical extension of bypass channel 16 body 1 outside arranges buries bolt 10 and seals, and prevents leakage of hydraulic fluid.
The course of work of this hydraulic floating supporting arrangement is described below with reference to Fig. 2 and Fig. 3.Under original state shown in Figure 2, when hydraulic fluid enters body 1 from hydraulic fluid source via inlet 17, at first be filled with hydraulic fluid at the first cavity 14.First piston 2 is under the hydraulic pressure effect and overcome the elastic force of back-moving spring 4 and leave as shown in Figure 2 initial position and move up, by pressure head 18 against and support the workpiece to be processed (not shown), arrive its bearing position as shown in Figure 3.Should be appreciated that when first piston 2 moves up from initial position, it may separate certain distance with voussoir 3.
After workpiece, the trend that first piston 2 advances is obstructed when pressure head 18.At this moment, the hydraulic pressure that further injects in the first cavity 14, the first cavitys 14 along with hydraulic fluid increases thereupon.After the hydraulic pressure of the first cavity 14 had been elevated to predetermined hydraulic pressure value, the first valve 9 was opened bypass channel 16, and hydraulic fluid enters the second cavity 15 via bypass channel 16.At this moment, second valve 81 is in closed condition.
Under the effect of the hydraulic pressure in the second cavity 15, the second piston 7 begins to move right from the off-position, support on voussoir 3, and continuation promotion voussoir 3 moves right, until voussoir 3 engages and lock with the inclined-plane 194 of first piston 2, thereby first piston 2 is locked in its bearing position.At this moment, the second piston 7 is in its latched position, as shown in Figure 3.
After the workpiece completion of processing, open second valve 81, the second cavitys 15 and the hydraulic fluid in bypass channel 16 at leakage hole 8 places and can discharge via leakage hole 8.Hydraulic fluid in the first cavity 14 can be back to hydraulic fluid source via inlet 17.First piston 2 is got back to its initial position under the effect of the elastic force of back-moving spring 4.And in the process that first piston 2 resets, first piston 2 also promotes voussoir 3 and the second piston 7 resets, and makes the second piston return to its off-position.Like this, whole hydraulic floating supporting arrangement has recovered original state for example shown in Figure 2, works preparing next time.
Aforementionedly illustrated and described the present invention by specific embodiment, but this and do not mean that detailed or limit the invention to concrete described structure.This area is understandable that, is not exceeding under the scope of the invention equivalent that can obtain various deformation and be made of interchangeable parts.In addition, according to the instruction of not leaving essential scope of the present invention, many improvement can adapt to special position or material.Therefore, this mode that shows that the present invention is not confined to the optimal desired that specific embodiment describes is carried out the present invention.The present invention includes all specific embodiments that belong in the claim scope.Do not leaving the spirit or scope of the present invention, the present invention can put into practice into and specifically describe and illustrate different modes.Protection scope of the present invention is limited separately by claim.
Claims (10)
1. hydraulic floating supporting arrangement comprises:
Body (1), described body (1) be section's bypass channel (16) of defining the first cavity (14) and the second cavity (15) and being communicated with described the first cavity (14) and the second cavity (15) respectively within it; Described the first cavity (14) can receive the hydraulic fluid from hydraulic fluid source;
Be arranged on first valve (9) at described bypass channel place, be used for closing and opening described bypass channel; Described bypass channel allows described hydraulic fluid to enter described the second cavity (15) from described the first cavity (14) via described bypass channel when opening;
Be arranged on the first piston (2) in described the first cavity (14), described first piston (2) contacts with described the first cavity (14) sealing, and can move to bearing position along described the first cavity (14) from initial position under the pressure-acting of described hydraulic fluid;
By the pressure head (18) that described first piston (2) drives, be used for pressing and holding workpieces;
Be arranged on the second piston (7) in described the second cavity (15), described the second piston (7) contacts with described the second cavity (15) sealing, and can move to latched position along described the second cavity (15) from the off-position under the pressure-acting of described hydraulic fluid;
By the locking member (3) that described the second piston (7) drives, be used for described first piston (2) is locked in its bearing position.
2. hydraulic floating supporting arrangement according to claim 1, is characterized in that, opens described bypass channel when the pressure of the described hydraulic fluid that described the first valve (9) can be in described the first cavity (14) is elevated to predetermined pressure.
3. hydraulic floating supporting arrangement according to claim 1 and 2, is characterized in that, described the first valve (9) is check valve, and preferably, described check valve is the ball valve by the bias spring effect.
4. the described hydraulic floating supporting arrangement of any one according to claim 1-3, it is characterized in that, described locking member (3) is for being arranged on the voussoir in described the first cavity (14), and described first piston (2) is formed with the inclined-plane that matches with described voussoir;
Described the second cavity (15) is towards described the first cavity (14) opening, to allow described the second piston (7) to move and extend in described the first cavity (14), and promote that described voussoir moves towards described inclined-plane and against described inclined-plane, thereby prevent that described first piston (2) from moving away described bearing position.
5. the described hydraulic floating supporting arrangement of any one according to claim 1-4, is characterized in that, described the second cavity (15) is basic mutually vertical with the bearing of trend of described the first cavity (14).
6. the described hydraulic floating supporting arrangement of any one according to claim 1-5, is characterized in that, described body (1) has alignment pin (6); Described first piston (2) has the locating slot (193) that extends along its moving direction; Wherein, described alignment pin (6) extends in described locating slot (193), rotates to prevent described first piston (2).
7. the described hydraulic floating supporting arrangement of any one according to claim 1-6, it is characterized in that, also comprise back-moving spring (4), be used for applying a reset force to described first piston (2), so that described first piston (2) returns to its initial position.
8. the described hydraulic floating supporting arrangement of any one according to claim 1-7, it is characterized in that, described body (1) also has the inlet (17) that is communicated with described the first cavity (14), is used for receiving the described hydraulic fluid from described hydraulic fluid source;
Described inlet is limited by the externally threaded threaded portion that has of described body (1).
9. the described hydraulic floating supporting arrangement of any one according to claim 1-8, is characterized in that, described body (1) also has the leakage hole (8) that is communicated with described bypass channel (16) and/or described the second cavity (15); And the place is provided be used to the second valve that opens and closes described leakage hole at described leakage hole.
10. a use as the bearing method of hydraulic floating supporting arrangement as described in any one in claim 1-9, comprising:
By described hydraulic fluid source to described the first cavity (14) sap pressure supply liquid, described first piston (2) begins to move forward from initial position along described the first cavity under the pressure-acting of described hydraulic fluid, simultaneously, described first piston (2) drive ram moves together, until described pressure head presses and holding workpieces;
To described the first cavity (14) sap pressure supply liquid, stop that by pressing described pressure head described first piston (2) continues to move forward by described workpiece by described hydraulic fluid source, make the pressure of the hydraulic fluid in described the first cavity raise;
When the pressure of the described hydraulic fluid in described the first cavity (14) is elevated to predetermined pressure, described the first valve (9) is opened described bypass channel, makes described hydraulic fluid enter described the second cavity (15) from described the first cavity (14) via described bypass channel;
Described the second piston (7) moves to latched position along described the second cavity (15) from the off-position under the pressure-acting of described hydraulic fluid, simultaneously, described the second piston (7) drives described locking member (3) and moves together, until described locking member (3) is locked in its bearing position with described first piston (2).
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Cited By (6)
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| CN104308565A (en) * | 2014-09-26 | 2015-01-28 | 安徽省捷甬达智能机器有限公司 | Floating support device |
| CN105855928A (en) * | 2016-06-08 | 2016-08-17 | 长春市宏顺汽车配件有限责任公司 | Hydraulic floating workpiece support |
| CN109648371A (en) * | 2019-02-27 | 2019-04-19 | 温州易正科技有限公司 | A kind of steering gear housing processing tool containing hydraulic pressure support |
| CN109759859A (en) * | 2019-02-27 | 2019-05-17 | 温州易正科技有限公司 | A kind of workpiece auxiliary Split type hydraulic support |
| CN111702402A (en) * | 2020-06-23 | 2020-09-25 | 西安中科微精光子制造科技有限公司 | Adjustable pipe fitting tool clamp |
| CN111906243A (en) * | 2020-07-21 | 2020-11-10 | 杭州传智自动化科技有限公司 | Chain plate feeding mechanism of chain assembly machine |
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| CN104308565A (en) * | 2014-09-26 | 2015-01-28 | 安徽省捷甬达智能机器有限公司 | Floating support device |
| CN105855928A (en) * | 2016-06-08 | 2016-08-17 | 长春市宏顺汽车配件有限责任公司 | Hydraulic floating workpiece support |
| CN105855928B (en) * | 2016-06-08 | 2018-01-02 | 长春市宏顺汽车配件有限责任公司 | Hydraulic floating work mounting s |
| CN109648371A (en) * | 2019-02-27 | 2019-04-19 | 温州易正科技有限公司 | A kind of steering gear housing processing tool containing hydraulic pressure support |
| CN109759859A (en) * | 2019-02-27 | 2019-05-17 | 温州易正科技有限公司 | A kind of workpiece auxiliary Split type hydraulic support |
| CN109648371B (en) * | 2019-02-27 | 2020-05-12 | 浙江包氏铸造有限公司 | Steering gear shell machining tool with hydraulic support |
| CN111702402A (en) * | 2020-06-23 | 2020-09-25 | 西安中科微精光子制造科技有限公司 | Adjustable pipe fitting tool clamp |
| CN111702402B (en) * | 2020-06-23 | 2022-02-22 | 西安中科微精光子制造科技有限公司 | Adjustable pipe fitting tool clamp |
| CN111906243A (en) * | 2020-07-21 | 2020-11-10 | 杭州传智自动化科技有限公司 | Chain plate feeding mechanism of chain assembly machine |
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|---|---|
| CN103100888B (en) | 2015-08-05 |
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Effective date of registration: 20190329 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |
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