CN201513412U - Combined pneumatic/hydraulic one-way stroke speed-regulating cylinder - Google Patents
Combined pneumatic/hydraulic one-way stroke speed-regulating cylinder Download PDFInfo
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- CN201513412U CN201513412U CN2009203121445U CN200920312144U CN201513412U CN 201513412 U CN201513412 U CN 201513412U CN 2009203121445 U CN2009203121445 U CN 2009203121445U CN 200920312144 U CN200920312144 U CN 200920312144U CN 201513412 U CN201513412 U CN 201513412U
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Abstract
The utility model discloses a combined pneumatic/hydraulic one-way stroke speed-regulating cylinder which belongs to a speed-regulating device and solves the problem that the prior pneumatic cylinder has no one-way stroke speed-regulating function and has poor operating stability and fails to meet the requirement for motion control. The combined pneumatic/hydraulic one-way stroke speed-regulating cylinder comprises a pneumatic cylinder, wherein the pneumatic cylinder comprises a pneumatic cylinder body and a cylinder piston, and the cylinder piston drives a cylinder piston rod. The pneumatic cylinder is provided with a speed-regulating hydraulic cylinder, wherein the speed-regulating hydraulic cylinder comprises a hydraulic cylinder body and a hydraulic piston, the hydraulic piston drives a hydraulic piston rod, and the hydraulic piston rod is driven by the pneumatic cylinder. When the cylinder piston rod is actuated by the cylinder piston, the speed-regulating hydraulic cylinder is operated appropriately to limit the speed of the cylinder piston rod. In particular, a one-way oil port is adopted to achieve the one-way flow of the hydraulic oil inside the cavity of the speed-regulating hydraulic cylinder, and a flow control bolt is adopted to control the opening of a throttling oil port and then to achieve the one-way speed regulation. Therefore, the combined pneumatic/hydraulic one-way stroke speed-regulating cylinder integrates the speed-regulating hydraulic cylinder and the pneumatic cylinder to achieve the one-way stroke speed regulation and then to meet the requirement for motion control.
Description
Technical field
The utility model relates to a kind of arrangements for speed regulation, the unidirectional stroke speed regulation cylinder of especially a kind of combined type gas-liquid.
Background technique
Existing speed governing pneumatic cylinder does not have stroke speed governing effect, does not especially have the speed governing effect of unidirectional stroke and motion unstable, is difficult to satisfy the action control requirement of a few thing occasion.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the speed governing effect that existing pneumatic cylinder does not have unidirectional stroke, is difficult to satisfy the defective that action control requires, and provides a kind of combined type gas-liquid unidirectional stroke speed regulation cylinder.For this reason, the utility model is by the following technical solutions:
The unidirectional stroke speed regulation cylinder of combined type gas-liquid, comprise pneumatic cylinder, this pneumatic cylinder comprises air pressure cylinder body and the cylinder piston that can move in the air pressure cylinder body, cylinder piston drives cylinder piston rod, it is characterized in that: for described pneumatic cylinder disposes a speed governing oil hydraulic cylinder, this speed governing oil hydraulic cylinder comprises hydraulic cylinder and the hydraulic piston that can move in hydraulic cylinder, hydraulic piston drives liquid presses piston pole, and the piston rod of described speed governing oil hydraulic cylinder is driven by described pneumatic cylinder.
Especially: cavity and rear chamber before the inner chamber of described speed governing oil hydraulic cylinder is isolated into by hydraulic piston is characterized in that: connect oil circuit between cavity and the rear chamber before described, the throttling hydraulic fluid port is set on described oil circuit and disposes flow adjustment screw; Unidirectional hydraulic fluid port is set on the described hydraulic piston.Be connected with oil storage cylinder through unidirectional hydraulic fluid port to the cavity that another cavity flows out hydraulic oil.
The beneficial effects of the utility model are: for pneumatic cylinder disposes a speed governing oil hydraulic cylinder, the piston rod of speed governing oil hydraulic cylinder is driven by pneumatic cylinder, thereby when cylinder piston drives the cylinder piston rod action, the speed of the in good time motion limits cylinder piston rod by the speed governing oil hydraulic cylinder.Especially realize hydraulic oil in speed governing oil hydraulic cylinder inner chamber one-way flow by unidirectional hydraulic fluid port, the aperture of controlling the throttling hydraulic fluid port by flow adjustment screw realizes unidirectional speed governing.Thereby with the speed governing oil hydraulic cylinder with pneumatic cylinder is organic is combined with each other, realize the speed governing effect of unidirectional stroke, satisfy action control requirement.
Description of drawings
Fig. 1 is the cross-sectional view of structure forward travel state of the present utility model.
Fig. 2 is the cross-sectional view of structure return state of the present utility model.
Number in the figure explanation: 1-pneumatic cylinder, 2-air pressure cylinder body, 3-cylinder piston, 4-cylinder piston rod, 5-speed governing oil hydraulic cylinder, the 6-hydraulic cylinder, 7-hydraulic piston, cavity before the 8-liquid presses piston pole, 9-, the 10-rear chamber, 11-oil circuit, 12-throttling hydraulic fluid port, 13-flow adjustment screw, the unidirectional hydraulic fluid port of 14-, 15-through hole, 16-valve block, 17-spring, the 18-oil storage cylinder, 19-first back-up ring, 20-second back-up ring, 21-the 3rd back-up ring, the end cap that 22-is shared, 23-right end cap, 24-first gas port, 25-second gas port.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
The unidirectional stroke speed regulation cylinder of combined type gas-liquid as shown in Figure 1, 2, comprise pneumatic cylinder 1, speed governing oil hydraulic cylinder 5, pneumatic cylinder 1 comprises air pressure cylinder body 2 and the cylinder piston 3 that can move in air pressure cylinder body 2, cylinder piston 3 drives cylinder piston rod 4, speed governing oil hydraulic cylinder 5 aims at pneumatic cylinder 1 configuration in order to realize speed governing, this speed governing oil hydraulic cylinder 5 comprises hydraulic cylinder 6 and the hydraulic piston 7 that can move in hydraulic cylinder 6, hydraulic piston 7 drives liquid presses piston pole 8, and liquid presses piston pole 8 is driven by pneumatic cylinder 1.Thereby when cylinder piston 3 drove the outside transferring power of cylinder piston rods 4 actions, the in good time action by speed governing oil hydraulic cylinder 5 realized the speed governing to cylinder piston rod 4.
Further, cavity 9 and rear chamber 10 before the inner chamber of speed governing oil hydraulic cylinder 5 is isolated into by hydraulic piston 7, connect oil circuit 11 between preceding cavity 9 and the rear chamber 10, throttling hydraulic fluid port 12 (on the concrete right end cap that is arranged on speed governing oil hydraulic cylinder 5 23) is being set on the oil circuit 11 and is disposing flow adjustment screw 13; Unidirectional hydraulic fluid port 14 is set on the hydraulic piston 7.Make hydraulic oil in speed governing oil hydraulic cylinder 5 inner chamber one-way flow by unidirectional hydraulic fluid port 14, realize unidirectional speed controlling.Aperture by flow adjustment screw 13 control throttling hydraulic fluid ports 12 realizes unidirectional speed regulation.Flow to rear chamber 10 by preceding cavity 9 for hydraulic oil as unidirectional hydraulic fluid port 14, then as shown in Figure 1 when 24 air inlets of first gas port, during 25 exhausts of second gas port, cylinder piston 3 moves right under the effect of air pressure and drives cylinder piston rod 4, liquid presses piston pole 8, hydraulic piston 7 moves right in good time, unidirectional hydraulic fluid port 14 is closed, hydraulic oil in the rear chamber 10 is cavity 9 before oil circuit 11 flows to, therebetween by throttling hydraulic fluid port 12 control hydraulic fluid flow rates, and hydraulic fluid flow rate has determined hydraulic piston 7, liquid presses piston pole 8, cylinder piston 3, the travelling speed of cylinder piston rod 4, by regulating flow adjustment screw 13, can regulate the flow of hydraulic oil, realize the unidirectional stroke speed governing of dextrad thus; Otherwise, when as shown in Figure 2, when 25 air inlets of second gas port, 24 exhausts of first gas port, cylinder piston 3 is moved to the left under the effect of air pressure and drives cylinder piston rod 4, liquid presses piston pole 8, hydraulic piston 7 are moved to the left in good time, unidirectional hydraulic fluid port 12 is opened, and the hydraulic oil in the preceding cavity 9 directly flows to rear chamber 10 through unidirectional hydraulic fluid port 14, realizes returning fast of cylinder piston 3, cylinder piston rod 4 left.If unidirectional hydraulic fluid port 14 for hydraulic oil by rear chamber 10 forward cavity 9 flow (the 14 reverse settings of the unidirectional hydraulic fluid port shown in Fig. 1,2 can be realized) then realization unidirectional stroke speed governing, fast return to the right left.
More specifically, as the further of technique scheme improved and replenish, the utility model also comprises following additional technical characteristics as the optimization technique measure, so that when implementing, select for use:
Unidirectional hydraulic fluid port 14 forms for offering through hole 15 and at an end of through hole 15 valve block 16 is set on hydraulic piston 7.Such structure is convenient to utilize hydraulic oil in this side cavity that valve block is pressed on the through hole port when the cavity that valve block 16 1 sides are set moves at hydraulic piston 7 through hole is closed.Further, valve block 16 upper supports have the spring 17 that valve block is covered the through hole end, and the assurance valve block is closed through hole reliably.
Be connected with oil storage cylinder 18 through unidirectional hydraulic fluid port 14 to the cavity that another cavity flows out hydraulic oil, the hydraulic oil when being used for hydraulic piston 7 and moving in this cavity of balance.
Liquid presses piston pole 8 can be assemblied on the cylinder piston 3 with moving axially, and is being provided with back-up ring 19,20,21 on the cylinder piston 3 with on the liquid presses piston pole 8.This structure, liquid presses piston pole 8 relative cylinder piston 3 axially movable scopes are not subjected to the constraint of speed governing oil hydraulic cylinder 5, therefore can move fast relative to underloading; And keep out when circle touching, speed governing oil hydraulic cylinder 5 participates in action: cylinder piston 3 moves right movable contact when supporting first back-up ring 19 on the liquid presses piston pole 8 as shown in Figure 1, can drive hydraulic piston 7 to move right by 5 speed governing of speed governing oil hydraulic cylinder; And be moved to the left when touching the 3rd back-up ring 21 to liquid presses piston pole 8 ends cylinder piston 3 fast return left when cylinder piston 3 as shown in Figure 2 by second back-up ring 20 on the cylinder piston 3; And touch in first back-up ring 19 and second back-up ring 20 touch stroke between the 3rd back-up ring 21 at cylinder piston 3, speed governing oil hydraulic cylinder 5 is failure to actuate, cylinder piston 3 underloading fast moving.If action does not need cylinder piston 3 underloading fast moving, then liquid presses piston pole 8 is fixed on the cylinder piston 3 and gets final product.
A speed governing oil hydraulic cylinder 5 and pneumatic cylinder 1 a shared end cap 22 make compact structure, and volume is small and exquisite.
Claims (8)
1. the unidirectional stroke speed regulation cylinder of combined type gas-liquid, comprise pneumatic cylinder (1), this pneumatic cylinder (1) comprises air pressure cylinder body (2) and the cylinder piston (3) that can move in air pressure cylinder body (2), described cylinder piston (3) drives cylinder piston rod (4), it is characterized in that: be described pneumatic cylinder (1) configuration one speed governing oil hydraulic cylinder (5), this speed governing oil hydraulic cylinder (5) comprises hydraulic cylinder (6) and the hydraulic piston (7) that can move in hydraulic cylinder (6), described hydraulic piston (7) drives liquid presses piston pole (8), and described liquid presses piston pole (8) is driven by described pneumatic cylinder (1).
2. the unidirectional stroke speed regulation cylinder of combined type gas-liquid according to claim 1, the inner chamber that it is characterized in that described speed governing oil hydraulic cylinder (5) is isolated into preceding cavity (9) and rear chamber (10) by hydraulic piston (7), connect oil circuit (11) between cavity (9) and the rear chamber (10) before described, throttling hydraulic fluid port (12) is set on described oil circuit (11) and disposes flow adjustment screw (13); Unidirectional hydraulic fluid port (14) is set on the described hydraulic piston (7).
3. the unidirectional stroke speed regulation cylinder of combined type gas-liquid according to claim 2 is characterized in that described unidirectional hydraulic fluid port (14) forms for offering through hole (15) and at described through hole (15) one ends valve block (16) is set on described hydraulic piston (7).
4. the unidirectional stroke speed regulation cylinder of combined type gas-liquid according to claim 3 is characterized in that described valve block (16) upper support has the spring (17) that valve block is covered described through hole end.
5. the unidirectional stroke speed regulation cylinder of combined type gas-liquid according to claim 2 is characterized in that being connected with oil storage cylinder (18) through described unidirectional hydraulic fluid port (14) to the cavity that another cavity flows out hydraulic oil.
6. according to the unidirectional stroke speed regulation cylinder of each described combined type gas-liquid in the claim 1～5, it is characterized in that described liquid presses piston pole (8) is connected on the described cylinder piston (3).
7. the unidirectional stroke speed regulation cylinder of combined type gas-liquid according to claim 6, it is characterized in that described liquid presses piston pole (8) can be assemblied on the described cylinder piston (3) with moving axially, and upward with on the described liquid presses piston pole be provided with back-up ring (19,20,21) at described cylinder piston (3).
8. the unidirectional stroke speed regulation cylinder of combined type gas-liquid according to claim 6 is characterized in that described speed governing oil hydraulic cylinder (5) and the shared end cap of pneumatic cylinder (1) (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203121445U CN201513412U (en) | 2009-10-09 | 2009-10-09 | Combined pneumatic/hydraulic one-way stroke speed-regulating cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203121445U CN201513412U (en) | 2009-10-09 | 2009-10-09 | Combined pneumatic/hydraulic one-way stroke speed-regulating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513412U true CN201513412U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203121445U Expired - Fee Related CN201513412U (en) | 2009-10-09 | 2009-10-09 | Combined pneumatic/hydraulic one-way stroke speed-regulating cylinder |
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| CN (1) | CN201513412U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956737A (en) * | 2010-10-25 | 2011-01-26 | 苏州高新区禾云设备设计事务所 | Pneumatic-boosting hydraulic cylinder |
| CN103671344A (en) * | 2013-12-18 | 2014-03-26 | 中联重科股份有限公司 | Pumping oil cylinder and pumping equipment comprising same |
| CN104329314A (en) * | 2014-09-28 | 2015-02-04 | 北京建筑大学 | Damping device |
| CN109443819A (en) * | 2018-12-13 | 2019-03-08 | 常州纺织服装职业技术学院 | A kind of press machine loading device |
| CN109538575A (en) * | 2019-01-17 | 2019-03-29 | 大连诺美液压件有限公司 | Ship hydraulic cylinder with individual event speed governing valve |
| CN110925262A (en) * | 2019-11-15 | 2020-03-27 | 中航飞机起落架有限责任公司 | Dual-redundancy unlocking actuating device |
-
2009
- 2009-10-09 CN CN2009203121445U patent/CN201513412U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956737A (en) * | 2010-10-25 | 2011-01-26 | 苏州高新区禾云设备设计事务所 | Pneumatic-boosting hydraulic cylinder |
| CN103671344A (en) * | 2013-12-18 | 2014-03-26 | 中联重科股份有限公司 | Pumping oil cylinder and pumping equipment comprising same |
| CN103671344B (en) * | 2013-12-18 | 2016-03-23 | 中联重科股份有限公司 | Pumping oil cylinder and pumping equipment comprising same |
| CN104329314A (en) * | 2014-09-28 | 2015-02-04 | 北京建筑大学 | Damping device |
| CN109443819A (en) * | 2018-12-13 | 2019-03-08 | 常州纺织服装职业技术学院 | A kind of press machine loading device |
| CN109443819B (en) * | 2018-12-13 | 2023-09-12 | 常州纺织服装职业技术学院 | Loading device of stamping machine tool |
| CN109538575A (en) * | 2019-01-17 | 2019-03-29 | 大连诺美液压件有限公司 | Ship hydraulic cylinder with individual event speed governing valve |
| CN110925262A (en) * | 2019-11-15 | 2020-03-27 | 中航飞机起落架有限责任公司 | Dual-redundancy unlocking actuating device |
| CN110925262B (en) * | 2019-11-15 | 2022-02-11 | 中航飞机起落架有限责任公司 | Dual-redundancy unlocking actuating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20111009 |