CN2601156Y - Hydraulic boosting and accerlerating enlarger - Google Patents
Hydraulic boosting and accerlerating enlarger Download PDFInfo
- Publication number
- CN2601156Y CN2601156Y CN 03203842 CN03203842U CN2601156Y CN 2601156 Y CN2601156 Y CN 2601156Y CN 03203842 CN03203842 CN 03203842 CN 03203842 U CN03203842 U CN 03203842U CN 2601156 Y CN2601156 Y CN 2601156Y
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- piston
- oil
- valve piston
- piston rod
- cylinder
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Abstract
The utility model discloses a hydraulic pressure-increased and speed-increased amplifier, which comprises a cylinder, a cylinder cover fixed on one end of the cylinder with the oil hole and a large piston and sealing part, wherein the cylinder is provided with the oil hole that is communicate with the oil cavity composed between the large piston rod and the cylinder wall; the piston more of the large piston is provided with the round hole; the round hole is provided with the small piston; the small piston has two oil communication pipes to push the large piston to move; the end of the cylinder is also provided with a shield; one end of other shield is provided with the small piston oil block to communicated with the two oil communication pipes. Such hydraulic pressure-increased and speed-increased amplifier has the increasing, enlarging and decelerating function. Moreover, both hydraulic pressure increase and speed-increase have adequate stroke and can save oil consumption, so the device can be used in the common hydraulic system, in particularly in the hydraulic machine for the wall and ground bricks pressing technology.
Description
Technical field
The utility model relates to the amplifier that a kind of hydraulic machinery is used, and is a kind of amplifier with supercharging and speedup function specifically.
Background technology
In the production process of products such as wall floor tile, need to suppress with hydraulic machinery, in order to increase hydraulic pressure, all need use hydraulic amplifier in hydraulic machinery, traditional external amplifier is formed by piston, its piston two sides area does not wait, to realize the supercharging purpose.This amplifier generally only comes usefulness as pressurized cylinder, promptly has only the effect of supercharging, and does not have the speedup function, this amplifier inefficiency, and low-pressure system pressure oil directly enters master cylinder, so consumption systems pressure oil mass is big during low pressure, power consumption is big, and the fluid heating is serious.Though the amplifier that has has supercharging and speedup function, but the movement travel of piston equates in the time of can't guaranteeing speedup with supercharging owing to wall floor tile pressing process, need system pressure oil directly to promote piston rising to speedup and supercharging as the position, and after finishing, speedup needs hydraulic oil when high pressure pressurizes for the first time to promote piston finally to put in place, high pressure speed is slowed down, therefore lowly be pressed with speedup, but not energy-conservation.
The utility model content
The problems referred to above at present hydraulic amplifier existence, the purpose of this utility model is to provide a kind of hydraulic booster and speed-increasing amplifier, this amplifier not only has supercharging and two kinds of functions of speedup, and oil consumption low, have energy-conservation effect, can satisfy the needs of the hydraulic machinery of wall floor tile.
The utility model adopts following technical scheme: the hydraulic booster and speed-increasing amplifier comprises a cylinder barrel, is fixed on the cylinder cap of cylinder barrel one end band oilhole, the big piston that is positioned at cylinder barrel and seal, and the oil pocket that forms between the piston rod that oilhole and big piston arranged on the cylinder barrel and casing wall communicates; The other end at cylinder barrel is fixed with a guard shield, and there is the valve piston oil path block guard shield end, and the piston rod of big piston can move in guard shield; In the middle of the big piston circular hole is arranged, valve piston is arranged in the circular hole, a small piston rod flange is lived the gap sealing between big piston circular hole aperture and valve piston piston rod, and valve piston is fixed; The valve piston center has through hole to run through whole valve piston and piston rod, there is oilhole to communicate on the valve piston oil path block with the through hole at valve piston center, valve piston piston rod part has oil through in addition, one end of oil through communicates with oilhole on the valve piston oil path block, and the cavity between the piston rod wall of the other end and little bar piston rod alive and big piston communicates.
Can be welded with an end cap in the end of guard shield, there is circular hole at the end cap center, and the piston rod of valve piston passes the circular hole of end cap and is fixed on the end cap, and valve piston oil circuit and end cap are fixed together.
On above-mentioned valve piston oil path block, the oilhole that communicates with the through hole at valve piston center can be positioned at the center of valve piston oil path block.
Can there be two oilholes to communicate on the above-mentioned valve piston oil path block with oil through on the valve piston piston rod.
This hydraulic amplifier, because valve piston has been installed in big piston, when low pressure, the through hole by oilhole on the cylinder barrel and valve piston center enters system pressure oil, under double action, makes big piston fast to the cylinder cap side shifting, forms the low pressure speedup.When the oilhole oil-feed of system pressure oil from cylinder cap, the through hole at piston rod center and system oil return are connected, and then play the amplifier pressurization during the logical working cylinder of the oilhole on the cylinder barrel.Only also can promote big piston mobile resetting in cylinder barrel, enough strokes all be arranged to guarantee speedup and supercharging by valve piston.And, reduced consumption to system's system pressure oil owing to big piston is resetted by valve piston, therefore can be energy-conservation.This amplifier not only can be applied to common hydraulic system, and the hydraulic machinery that is particularly suitable in the wall floor tile production uses.
Description of drawings
Fig. 1 is the structure chart of hydraulic booster and speed-increasing amplifier of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments hydraulic booster and speed-increasing amplifier of the present utility model is described further.
As shown in Figure 1, the hydraulic booster and speed-increasing amplifier comprises a cylinder barrel 2, end at cylinder barrel 2 is fixed with the cylinder cap 1 that there is oilhole 15 centre by screw 16, a big piston 3 is arranged in cylinder barrel 2,1 of big piston 3 and cylinder cap form the A chamber, 2 of the piston rod of big piston 3 and cylinder barrels form the B chamber, have oilhole to communicate with the B chamber on the cylinder barrel 2.There is a dark circular hole of indent at the place in big piston piston rod axle center, a valve piston 4 is arranged in the circular hole, make big piston inside form a C chamber, place, circular hole aperture at big piston 3 has the small piston rod flange to be fixed on the big piston piston rod end by screw, gap between valve piston 4 piston rods and big piston piston rod inwall is formed sealing, make the valve piston 4 can leak free slip in the circular hole of the piston rod of big piston 3.End at cylinder barrel 2 is fixed with a guard shield 6 by screw, and the piston rod of big piston 3 can move in guard shield 6, and guard shield 6 right-hand members are welded with an end cap 7, and the piston rod of valve piston 4 passes end cap 7 and is fixed on the end cap 7.On end cap 7, also be fixed with the cold oil path block 8 of a little work, there is circular hole at place, valve piston axle center, and an oil pipe 9 is arranged in the circular hole, and oil pipe 9 left ends and valve piston 4 weld together, there is an oilhole 10 to communicate at valve piston oil path block center, forms the turnover oil path of cavity C with the centre bore 11 of oil pipe.Annular space 12 is arranged to form another logical oily passage between the piston rod of oil pipe 9 and valve piston 3, the root that is connected with piston at the piston rod of valve piston 3 has a circular hole to communicate with annular space 12, there is oilhole 13 and 14 to communicate on the valve piston oil path block 8, to form the logical oil circuit of cavity D with annular space 12.The position all has encapsulant to seal between the piston rod of the piston rod of the piston rod right-hand member of cylinder cap 1 and 2 of cylinder barrels, big piston 3 and 2 of cylinder barrels, big piston 3 and valve piston 4 etc., in order to avoid leakage of oil.
When system pressure oil during from the oil-feed of B chamber, simultaneously by oil-feed path 10 and 11 to C chamber connecting system pressure oil, under its double action, make big piston 3 to A chamber one side shifting, because the effect of valve piston, the translational speed of big piston is faster than the amplifier that does not have valve piston, so at this moment amplifier plays the effect of low pressure speedup.After the low pressure speedup finished, A chamber and B chamber were all connected with fuel tank, promoted big piston by valve piston and put in place to A chamber one side shifting, and be ready for amplifying supercharging.
When system pressure oil from the oilhole 15 of cylinder cap 1 during to the side oil-feed of the A chamber of big piston 3, the C chamber welding system oil return of valve piston 4, the B chamber of big piston and operating cylinder are connected, and make big piston 3 to B chamber one side shifting, make oil pressure in the B chamber greater than the oil pressure in the A chamber, amplifier at this moment plays pressurization.When supercharging finished, oil pipe by valve piston piston rod center and the annular space between piston rod 12 be to the D chamber oil-feed of valve piston, makes big piston 3 continue to put in place to B chamber one side shifting and get ready for next working cycles.
This amplifier not only can be realized supercharging and speedup, and owing to be that impetus by valve piston makes big piston arrival original position after speedup and the supercharging, thereby guaranteed that speedup and supercharging have enough strokes, this can satisfy the requirement of wall floor tile pressing process, and reduce consumption to system pressure oil, therefore can be energy-conservation.
Claims (4)
1, a kind of hydraulic booster and speed-increasing amplifier comprises a cylinder barrel, is fixed on the cylinder cap of cylinder barrel one end band oilhole, the big piston that is positioned at cylinder barrel and seal, it is characterized in that: the oil pocket that forms between the piston rod that oilhole and big piston arranged on the cylinder barrel and casing wall communicates; The other end at cylinder barrel is fixed with a guard shield, and there is the valve piston oil path block guard shield end, and the piston rod of big piston can move in guard shield; In the middle of the big piston circular hole is arranged, valve piston is arranged in the circular hole, a small piston rod flange is lived the clearance seal between big piston circular hole aperture and valve piston piston rod, and the valve piston end is fixed; The valve piston center has through hole to run through whole valve piston and piston rod, there is oilhole to communicate on the valve piston oil path block with the through hole at valve piston center, valve piston piston rod part has oil through in addition, one end of oil through communicates with oilhole on the valve piston oil path block, and the cavity between the bar wall of the other end and little bar piston rod alive and the piston rod of big piston communicates.
2, hydraulic booster and speed-increasing amplifier as claimed in claim 1, it is characterized in that: be welded with an end cap in the end of guard shield, there is circular hole at the end cap center, and the piston rod of valve piston passes the circular hole of end cap and is fixed on the end cap, and valve piston oil circuit and end cap are fixed together.
3, hydraulic booster and speed-increasing amplifier as claimed in claim 1 is characterized in that: on above-mentioned valve piston oil path block, the oilhole that communicates with the through hole at valve piston center is positioned at the center of valve piston oil path block.
4, hydraulic booster and speed-increasing amplifier as claimed in claim 1 is characterized in that: having two oilholes to communicate with oil through on the valve piston piston rod on the above-mentioned valve piston oil path block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203842 CN2601156Y (en) | 2003-02-13 | 2003-02-13 | Hydraulic boosting and accerlerating enlarger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203842 CN2601156Y (en) | 2003-02-13 | 2003-02-13 | Hydraulic boosting and accerlerating enlarger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2601156Y true CN2601156Y (en) | 2004-01-28 |
Family
ID=34158271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203842 Expired - Fee Related CN2601156Y (en) | 2003-02-13 | 2003-02-13 | Hydraulic boosting and accerlerating enlarger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2601156Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996535A (en) * | 2012-12-20 | 2013-03-27 | 丰士俊 | Pressure testing hydraulic-pressurizing device |
| CN104100581A (en) * | 2014-07-31 | 2014-10-15 | 巴鲁军 | Pressurizing cylinder and pressure test pressurizing device |
| CN109863314A (en) * | 2016-11-04 | 2019-06-07 | 活塞动力有限责任公司 | Hydraulic actuator with type pressure amplifier |
| CN111852964A (en) * | 2019-04-24 | 2020-10-30 | 活塞动力有限责任公司 | Hydraulic actuator arrangement |
| US10895270B2 (en) | 2016-11-04 | 2021-01-19 | Pistonpower Aps | Hydraulic actuator with pressure amplifier |
-
2003
- 2003-02-13 CN CN 03203842 patent/CN2601156Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996535A (en) * | 2012-12-20 | 2013-03-27 | 丰士俊 | Pressure testing hydraulic-pressurizing device |
| CN104100581A (en) * | 2014-07-31 | 2014-10-15 | 巴鲁军 | Pressurizing cylinder and pressure test pressurizing device |
| CN104100581B (en) * | 2014-07-31 | 2018-08-28 | 巴鲁军 | Pressurized cylinder and pressure testing supercharging device |
| CN109863314A (en) * | 2016-11-04 | 2019-06-07 | 活塞动力有限责任公司 | Hydraulic actuator with type pressure amplifier |
| US10788061B2 (en) | 2016-11-04 | 2020-09-29 | Pistonpower Aps | Hydraulic actuator with cartridge pressure amplifier |
| US10895270B2 (en) | 2016-11-04 | 2021-01-19 | Pistonpower Aps | Hydraulic actuator with pressure amplifier |
| CN109863314B (en) * | 2016-11-04 | 2021-03-19 | 活塞动力有限责任公司 | Hydraulic actuator with cassette pressure amplifier |
| CN111852964A (en) * | 2019-04-24 | 2020-10-30 | 活塞动力有限责任公司 | Hydraulic actuator arrangement |
| US11454260B2 (en) | 2019-04-24 | 2022-09-27 | Pistonpower Aps | Hydraulic actuator arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |