CN203978771U - A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor - Google Patents
A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor Download PDFInfo
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- CN203978771U CN203978771U CN201420448693.6U CN201420448693U CN203978771U CN 203978771 U CN203978771 U CN 203978771U CN 201420448693 U CN201420448693 U CN 201420448693U CN 203978771 U CN203978771 U CN 203978771U
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Abstract
The utility model relates to a kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor, be provided with an oil cylinder cover in oil cylinder one side, in oil cylinder, slide and be provided with an oil cylinder piston, oil cylinder is separated into the first chamber and the second chamber by oil cylinder piston, one is located in the second chamber one end sealing that seal piston rod being connected with oil cylinder piston passes outside oil cylinder and is connected with a clearance regulating piston screw thread, clearance regulating piston is set in oil cylinder and piston rod outside near a side of oil cylinder, is provided with a pilot sleeve in oil cylinder outside.When connecting thread between clearance regulating piston and piston rod comes off, avoid clearance regulating piston to enter compresser cylinder and clashed into compressor piston, eliminate potential safety hazard, simultaneously, clearance regulating piston just can ensure and the concentricity of clearance cylinder and pilot sleeve without connecting piston rod, guarantee all long-time running safely and reliably of reciprocal compressor and energy-conservation change system thereof under the effect of guide support ring.
Description
Technical field:
The utility model relates to a kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor.
Background technique:
At present, the clearance step-less adjustment actuator of reciprocal compressor, owing to being threaded connection between its clearance regulating piston and piston rod, in reciprocating process, exist the screw thread between clearance regulating piston and piston rod occur loosening or come off, thereby causing clearance regulating piston to enter compresser cylinder clashes into mutually with compressor piston, simultaneously, in-oil cylinder hydraulic oil can leak to compresser cylinder, in compresser cylinder, gas is outwards understood or to hydraulic system leakage, has very large potential safety hazard.
Model utility content:
The utility model is in order to make up the deficiencies in the prior art, a kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor is provided, its reasonable in design, when connecting thread between clearance regulating piston and piston rod comes off, avoid clearance regulating piston to enter compresser cylinder and clashed into compressor piston, eliminate potential safety hazard, solved problems of the prior art.
The utility model for solving the problems of the technologies described above adopted technological scheme is:
A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor, comprise the oil cylinder of a hollow, be provided with an oil cylinder cover in oil cylinder one side, in oil cylinder, slide and be provided with an oil cylinder piston, oil cylinder is separated into the first chamber and the second chamber by oil cylinder piston, in oil cylinder cover, be provided with an oily passage of the first mistake being connected with the first chamber, in oil cylinder sidewall, be provided with an oily passage of the second mistake being connected with the second chamber, the first oily passage of mistake and second is crossed oily passage and is connected with electrofluidic control device respectively, one is located in the second chamber one end sealing that seal piston rod being connected with oil cylinder piston passes outside oil cylinder and is connected with a clearance regulating piston screw thread, clearance regulating piston is set in oil cylinder and piston rod outside near a side of oil cylinder, be provided with a pilot sleeve in oil cylinder outside, pilot sleeve one end is connected with the oil cylinder outside near oil cylinder cover place, the other end is connected with one end of a clearance cylinder, the other end of clearance cylinder is connected with compresser cylinder, the internal diameter of clearance cylinder is less than the internal diameter of pilot sleeve, slide and be connected with the clearance inside wall of cylinder in the outside, one end of the clearance regulating piston being connected with piston rod thread, slide and be connected with pilot sleeve inwall in the other end outside that is set in the clearance regulating piston in oil cylinder and piston rod outside, at pilot sleeve, oil cylinder, between piston rod and clearance regulating piston, be provided with the 3rd chamber.
On pilot sleeve, be provided with one with clearance regulating piston and oil cylinder between the floss hole that is connected of cavity, floss hole is connected with leak detection recovery channel.
Between clearance regulating piston and clearance cylinder, be respectively equipped with a guide support ring between clearance regulating piston and pilot sleeve.
Between clearance regulating piston and clearance cylinder, be provided with a seal ring.
In clearance cylinder, be provided with an annular cooling water cover, on the clearance cylinder in annular cooling water cover outside, be provided with the water intake and the water outlet that are connected with annular cooling water cover.
Be provided with probe near on piston rod one end end face of oil cylinder cover, be provided with a position transducer being connected with probe in the outside of oil cylinder cover, position transducer is connected with electrofluidic control device.
The utility model adopts such scheme, reasonable in design, when connecting thread between clearance regulating piston and piston rod comes off, avoid clearance regulating piston to enter compresser cylinder and clashed into compressor piston, eliminate potential safety hazard, simultaneously, clearance regulating piston just can ensure and the concentricity of clearance cylinder and pilot sleeve without connecting piston rod under the effect of guide support ring, guarantee that seal ring on clearance regulating piston, in normal working, guarantees all long-time running safely and reliably of reciprocal compressor and energy-conservation change system thereof.
Brief description of the drawings:
Fig. 1 is structural representation of the present utility model.
In figure, 1, oil cylinder, 2, oil cylinder cover, 3, oil cylinder piston, 4, the first chamber, 5, the second chamber, 6, first cross oily passage, and 7, second cross oily passage, 8, piston rod, 9, clearance regulating piston, 10, pilot sleeve, 11, compresser cylinder, 12, floss hole, 13, guide support ring, 14, seal ring, 15, annular cooling water cover, 16, water intake, 17, water outlet, 18, probe, 19, position transducer, 20, the 3rd chamber, 21, clearance cylinder.
Embodiment:
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in Figure 1, a kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor, comprise the oil cylinder 1 of a hollow, be provided with an oil cylinder cover 2 in oil cylinder 1 one sides, be provided with an oil cylinder piston 3 in the interior slip of oil cylinder 1, oil cylinder 1 is separated into the first chamber 4 and the second chamber 5 by oil cylinder piston 3, in oil cylinder cover 2, be provided with an oily passage 6 of the first mistake being connected with the first chamber 4, in oil cylinder 1 sidewall, be provided with an oily passage 7 of the second mistake being connected with the second chamber 5, the first oily passage 6 of mistake and second is crossed oily passage 7 and is connected with electrofluidic control device respectively, one is located in the second chamber 5 one end that seal piston rod 8 being connected with oil cylinder piston 3 seals and passes oil cylinder 1 outside and be connected with clearance regulating piston 9 screw threads, clearance regulating piston 9 is set in oil cylinder 1 and piston rod 8 outsides near a side of oil cylinder 1, be provided with a pilot sleeve 10 in oil cylinder 1 outside, pilot sleeve 10 one end are connected with oil cylinder 1 outside at close oil cylinder cover 2 places, the other end is connected with one end of a clearance cylinder 21, the other end of clearance cylinder 21 is connected with compresser cylinder 11, the internal diameter of clearance cylinder 21 is less than the internal diameter of pilot sleeve 10, slide and be connected with clearance cylinder 21 inwalls in the outside, one end of the clearance regulating piston 9 being threaded with piston rod 8, slide and be connected with pilot sleeve 10 inwalls in the other end outside that is set in the clearance regulating piston 9 in oil cylinder 1 and piston rod 8 outsides, at pilot sleeve 10, oil cylinder 1, between piston rod 8 and clearance regulating piston 9, be provided with the 3rd chamber 20.
On pilot sleeve 10, be provided with a floss hole 12 being connected with the 3rd chamber 20, floss hole 12 is connected with leak detection recovery channel.When seal ring 14 between oil cylinder 1 and piston rod 8 is revealed, the hydraulic oil that is leaked to the 3rd chamber 20 is discharged into leakage recovery channel by the floss hole 12 on pilot sleeve 10; When seal ring 14 between clearance regulating piston 9 and clearance cylinder 21 leaks, the gas that leaks into the 3rd chamber 20 is discharged into leakage recovery channel by the floss hole 12 on pilot sleeve 10, to guarantee that hydraulic oil can not leak into compresser cylinder 11, guarantee that the interior gas of compresser cylinder 11 can not leak into hydraulic oil system.
Between clearance regulating piston 9 and clearance cylinder 21, be respectively equipped with a guide support ring 13 between clearance regulating piston 9 and pilot sleeve 10.Clearance regulating piston 9 is without the concentricity that connects piston rod 8 and just can ensure clearance regulating piston 9 and clearance cylinder 21 and pilot sleeve 10, guarantees that seal ring 14 on clearance regulating piston 9 is in normal working.
Between clearance regulating piston 9 and clearance cylinder 21, be provided with a seal ring 14, can strengthen the sealing effect between clearance regulating piston 9 and clearance cylinder 21.
In clearance cylinder 21, be provided with an annular cooling water cover 15, overlap at annular cooling water on the clearance cylinder 21 in 15 outsides and be provided with and annular cooling water cover 15 water intakes that are connected 16 and water outlet 17.When entering annular cooling water, the water intake 16 of cooling water from clearance cylinder 21 overlap 15 cooling clearance cylinders 21, flow out from water outlet 17, the actuators such as clearance cylinder 21 and the clearance regulating piston 9 being attached thereto, pilot sleeve 10 and compresser cylinder 11 can obtain to a certain extent cooling again.
Near being provided with probe 18 on piston rod 8 one end end faces of oil cylinder cover 2, be provided with in the outside of oil cylinder cover 2 one with probe 18 position transducers that are connected 19, position transducer 19 is connected with electrofluidic control device.
When use, be arranged on the position transducer 19 on oil cylinder cover 2 and be arranged on the position of the probe 18 precheck oil cylinder pistons 3 on piston rod 8 and provide and feed back signal to electrofluidic control device, electrofluidic control device is crossed oily passage 6 or second according to the signal receiving to first and is crossed oily passage 7 fuel feeding, in the time that electrofluidic control device is crossed oily passage 6 oil-feed to first on oil cylinder cover 2, hydraulic oil enters the first chamber 4, oil cylinder piston 3 moves right along oil cylinder 1 inwall under the pressure-acting of hydraulic oil, oil cylinder piston 3 drives clearance regulating piston 9 to move right along pilot sleeve 10 inwalls and clearance cylinder 21 inwalls by piston rod 8, the hydraulic oil that oil cylinder piston 3 moves right in compression the second chamber 5 is back to electrofluidic control device by the oily passage 7 of the second mistake, because the internal diameter of clearance cylinder 21 is less than the internal diameter of pilot sleeve 10, therefore, even the connecting thread between piston rod 8 and clearance regulating piston 9 is loosening or situation about coming off under, clearance regulating piston 9 moves right and is subject to stopping of clearance cylinder 21 inwalls and also can put in compresser cylinder 11 inner impacts to compressor piston.In the time that electrofluidic control device is crossed oily passage 7 oil-feed to second on oil cylinder 1 sidewall, hydraulic oil enters the second chamber 5, oil cylinder piston 3 under the pressure-acting of hydraulic oil along oil cylinder 1 inwall to left movement, oil cylinder piston 3 drives clearance regulating piston 9 along pilot sleeve 10 inwalls and clearance cylinder 21 inwalls to left movement by piston rod 8, the oil cylinder piston 3 left hydraulic oil in motion compresses the first chamber 4 is crossed oily passage 6 by first and is back to electrofluidic control device, because pilot sleeve 10 one end are connected with oil cylinder 1 outside at close oil cylinder cover 2 places, the restriction that clearance regulating piston 9 is subject to pilot sleeve 10 to left movement can not depart from clearance cylinder 21, eliminate potential safety hazard, from having ensured in essence the Security of actuator, can guarantee all long-term operations safely and reliably of reciprocal compressor and energy-conservation change system thereof, and then realize the energy-conservation object of reciprocal compressor long period.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (6)
1. the stepless tolerance adjustment actuating mechanism of the essential safe type clearance of a reciprocating compressor, it is characterized in that: the oil cylinder that comprises a hollow, be provided with an oil cylinder cover in oil cylinder one side, in oil cylinder, slide and be provided with an oil cylinder piston, oil cylinder is separated into the first chamber and the second chamber by oil cylinder piston, in oil cylinder cover, be provided with an oily passage of the first mistake being connected with the first chamber, in oil cylinder sidewall, be provided with an oily passage of the second mistake being connected with the second chamber, the first oily passage of mistake and second is crossed oily passage and is connected with electrofluidic control device respectively, one is located in the second chamber one end sealing that seal piston rod being connected with oil cylinder piston passes outside oil cylinder and is connected with a clearance regulating piston screw thread, clearance regulating piston is set in oil cylinder and piston rod outside near a side of oil cylinder, be provided with a pilot sleeve in oil cylinder outside, pilot sleeve one end is connected with the oil cylinder outside near oil cylinder cover place, the other end is connected with one end of a clearance cylinder, the other end of clearance cylinder is connected with compresser cylinder, the internal diameter of clearance cylinder is less than the internal diameter of pilot sleeve, slide and be connected with the clearance inside wall of cylinder in the outside, one end of the clearance regulating piston being connected with piston rod thread, slide and be connected with pilot sleeve inwall in the other end outside that is set in the clearance regulating piston in oil cylinder and piston rod outside, at pilot sleeve, oil cylinder, between piston rod and clearance regulating piston, be provided with the 3rd chamber.
2. the stepless tolerance adjustment actuating mechanism of the essential safe type clearance of a kind of reciprocating compressor according to claim 1, is characterized in that: on pilot sleeve, be provided with a floss hole being connected with the 3rd chamber, floss hole is connected with leak detection recovery channel.
3. the stepless tolerance adjustment actuating mechanism of the essential safe type clearance of a kind of reciprocating compressor according to claim 1, is characterized in that: between clearance regulating piston and clearance cylinder, be respectively equipped with a guide support ring between clearance regulating piston and pilot sleeve.
4. the stepless tolerance adjustment actuating mechanism of the essential safe type clearance of a kind of reciprocating compressor according to claim 1, is characterized in that: between clearance regulating piston and clearance cylinder, be provided with a seal ring.
5. the stepless tolerance adjustment actuating mechanism of the essential safe type clearance of a kind of reciprocating compressor according to claim 1, it is characterized in that: in clearance cylinder, be provided with an annular cooling water cover, on the clearance cylinder in annular cooling water cover outside, be provided with the water intake and the water outlet that are connected with annular cooling water cover.
6. the stepless tolerance adjustment actuating mechanism of the essential safe type clearance of a kind of reciprocating compressor according to claim 1, it is characterized in that: be provided with probe near on piston rod one end end face of oil cylinder cover, be provided with a position transducer being connected with probe in the outside of oil cylinder cover, position transducer is connected with electrofluidic control device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448693.6U CN203978771U (en) | 2014-08-08 | 2014-08-08 | A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420448693.6U CN203978771U (en) | 2014-08-08 | 2014-08-08 | A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor |
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| CN203978771U true CN203978771U (en) | 2014-12-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781957A (en) * | 2016-01-29 | 2016-07-20 | 山东易阳石化节能装备有限公司 | Multifunctional leakage monitoring system of executing mechanisms of compressor and clearance air flow regulation system |
| CN108005993A (en) * | 2017-11-22 | 2018-05-08 | 北京航天石化技术装备工程有限公司 | A kind of electrohydraulic actuator for reciprocating compressor amount regulating system |
| CN108194341A (en) * | 2018-03-14 | 2018-06-22 | 顾兴坤 | Utilize the clearance stepless regulating system of executing agency's cooling water control hydraulic fluid temperature |
| CN108443130A (en) * | 2018-04-04 | 2018-08-24 | 顾兴坤 | A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency |
| CN109944786A (en) * | 2019-04-22 | 2019-06-28 | 山东易阳石化节能装备有限公司 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
| CN113153720A (en) * | 2021-04-14 | 2021-07-23 | 武汉理工大学 | Compressor economizer based on discharge valve clearance is adjusted |
-
2014
- 2014-08-08 CN CN201420448693.6U patent/CN203978771U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781957A (en) * | 2016-01-29 | 2016-07-20 | 山东易阳石化节能装备有限公司 | Multifunctional leakage monitoring system of executing mechanisms of compressor and clearance air flow regulation system |
| CN108005993A (en) * | 2017-11-22 | 2018-05-08 | 北京航天石化技术装备工程有限公司 | A kind of electrohydraulic actuator for reciprocating compressor amount regulating system |
| CN108005993B (en) * | 2017-11-22 | 2023-12-15 | 北京航天石化技术装备工程有限公司 | Electrohydraulic actuator for gas flow regulating system of reciprocating compressor |
| CN108194341A (en) * | 2018-03-14 | 2018-06-22 | 顾兴坤 | Utilize the clearance stepless regulating system of executing agency's cooling water control hydraulic fluid temperature |
| CN108443130A (en) * | 2018-04-04 | 2018-08-24 | 顾兴坤 | A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency |
| CN109944786A (en) * | 2019-04-22 | 2019-06-28 | 山东易阳石化节能装备有限公司 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
| CN113153720A (en) * | 2021-04-14 | 2021-07-23 | 武汉理工大学 | Compressor economizer based on discharge valve clearance is adjusted |
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