CN208010575U - A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency - Google Patents
A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency Download PDFInfo
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- CN208010575U CN208010575U CN201820489448.8U CN201820489448U CN208010575U CN 208010575 U CN208010575 U CN 208010575U CN 201820489448 U CN201820489448 U CN 201820489448U CN 208010575 U CN208010575 U CN 208010575U
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- 238000001816 cooling Methods 0.000 claims abstract description 101
- 239000002826 coolant Substances 0.000 claims description 35
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000000740 bleeding effect Effects 0.000 claims description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency, including executing agency, gas piston is equipped in the clearance cylinder barrel of executing agency, two First piston bars and second piston bar disposed in parallel are equipped in the executing agency, First piston bar and the equal one end of second piston bar are fixedly linked with gas piston, the other end sequentially passes through intermediate end cover, oily piston and cylinder cover and extends on the outside of cylinder tube, First piston bar and second piston bar are movably connected with intermediate end cover, cylinder cover, are fixedly linked with oily piston.The utility model is using the above scheme, it is compact-sized, reasonable design, gas piston by the way that two hollow piston rods are arranged and with cooling chamber forms novel inner-cooled executing agency, good cooling results can avoid the seal assembly caused by piston rotates and damage, can extend the service life of executing agency, reliability is improved, high pressure or large-diameter compressor redundant gap step-less adjustment tolerance system are particularly suitable for.
Description
Technical field：
The utility model is related to a kind of reciprocating compressor step-less adjustment tolerance systems, more specifically it relates to a kind of dual-active
Stopper rod inner-cooled clearance step-less adjustment executing agency.
Background technology：
Industrial production usually requires that reciprocating compressor can carry out the adjusting of tolerance, clearance stepless-adjustment in a certain range
Solar term amount technology changes the bulk coefficient of compressor by the clearance volume of adjusting compresser cylinder, and then realizes compressor row
The adjusting of tolerance is a kind of saving energy consumption, the method for step-less adjustment tolerance easy to adjust, dependable performance, clearance step-less adjustment
Tolerance system is typically that compresser cylinder cylinder cap is changed to clearance step-less adjustment executing agency, by the modes such as hydraulic-driven with
Obtain appropriately sized clearance volume.
Currently, clearance step-less adjustment executing agency is all made of single-piston rod form, and In this form, the work of executing agency
Plug assembly can rotate in executing agency, aggravate the abrasion of seal assembly, use and be threadedly coupled between piston and piston rod
Structure the case accident of piston and piston rod even can occur, and for the clearance step-less adjustment executing agency of major diameter, adopt
Worse with the stability of single-piston rod, the guiding segment length needed is longer, and the wall thickness and weight of piston are larger.
In terms of cooling, water cooling is generally arranged in clearance step-less adjustment executing agency, to reduce clearance chamber operating temperature, favorably
In the power consumption for reducing compressor.Current methods for cooling mainly has interior cold and outer cold two class, external-cooling type mainly to use clearance cylinder
The chuck cooling of cylinder peripheral hardware, the cooling of executing agency is realized by cooling clearance cylinder barrel, is suitable for long stroke executing agency, when
Mounting flange size is smaller, setting jacket space can not then be used this structure by prescribing a time limit, and existing inner-cooled is then to hold
Row is in-house to add independent cooling chamber, and the cooling of executing agency is realized by cooling air piston, is suitable for short stroke and executes
Mechanism, the type of cooling increase the length and weight of executing agency, and sealing is complicated, to the more demanding of assembly, and for
Independent cooling chamber can not be arranged using the executing agency of counter balance pocket, therefore, the above structure type can not ensure good hold
Row mechanism cooling effect, it is difficult to meet the requirement of power-saving industrial production.
Utility model content：
The utility model in order to make up for the deficiencies of the prior art, provides a kind of double piston-rod inner-cooled clearance step-less adjustment
Executing agency, its which has a compact structure and a reasonable design alleviate weight compared to existing cooling structure, occupy little space, cooling effect
It is good, it can avoid the seal assembly caused by piston rotates and damage, the service life of executing agency can be extended, reliability is high, fits
Wide with range, energy-saving effect is apparent, solves problems of the prior art.
Used technical solution is the utility model to solve above-mentioned technical problem：
A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency, including executing agency, the clearance gas of executing agency
It is equipped with gas piston in cylinder barrel, is equipped with oily piston in the cylinder tube of executing agency, cylinder tube is separated into the first hydraulic cavities by oily piston
With the second hydraulic cavities, the first hydraulic cavities and the second hydraulic cavities are connected by pipeline with hydraulic control system respectively, in the executing agency
Equipped with two First piston bars and second piston bar disposed in parallel, First piston bar and the equal one end of second piston bar are consolidated with gas piston
Fixed to be connected, the other end sequentially passes through intermediate end cover, oily piston and cylinder cover and extends on the outside of cylinder tube, First piston bar and second
Piston rod is movably connected with intermediate end cover, cylinder cover, is fixedly linked with oily piston；Cooling be situated between is equipped on the outside of executing agency
Matter inlet tube and cooling media outlet pipe, the gas piston is interior to be equipped with cooling chamber, and First piston bar and second piston bar are interior along length
Degree direction is equipped with the flow channels that are connected with cooling chamber, cooling medium inlet pipe through in First piston bar flow channels with it is cold
But the import of chamber is connected, and the outlet of cooling chamber is connected through the flow channels in second piston bar with cooling media outlet pipe,
The cooling medium of circulation is equipped in flow channels and cooling chamber.
Preferably, the gas piston includes the first assembly being connected by connector and the second component, first assembly and the
It constitutes cooling chamber between two components, first is respectively equipped with First piston bar and second piston bar position alignment on the second component
Piston rod connector and second piston bar connector, First piston bar and second piston bar are each passed through First piston bar connector
It is connected with second piston bar connector with the second component, cooling chamber top is equipped with cooling chamber outlet tube, cooling chamber outlet tube upper end
At the top of cooling chamber, cooling chamber outlet tube lower end is connected with the flow channels in second piston bar.
Preferably, equipped with several supporting guide plates in first assembly in the cooling chamber.
Preferably, it is equipped with two-tube-pass bobbin carriage on the outside of cylinder cover, includes upper and lower independent upper box in two-tube-pass bobbin carriage
And lower box, First piston bar and second piston bar extend to one end on the outside of cylinder tube and are located in lower box and upper box,
Cooling medium inlet pipe is set to lower box bottom, and cooling medium inlet pipe is connected through lower box with the flow channels of First piston bar
Logical, cooling media outlet pipe is set at the top of upper box, and the flow channels of second piston bar are through upper box and cooling media outlet pipe
It is connected.
Preferably, the executing agency further includes the displacement sensor being fixed on the outer end face of two-tube-pass bobbin carriage,
One piston rod or second piston bar extend to one end on the outside of cylinder tube and are equipped with magnet ring, and displacement sensor matches setting with magnet ring.
Preferably, cooling medium inlet pipe is connected through inlet hose with pressure with the flow channels of First piston bar, and second
The flow channels of piston rod are connected through outlet hose with pressure with cooling media outlet pipe.
Preferably, dust cover is equipped on the outside of cylinder cover, First piston bar and second piston bar extend on the outside of cylinder tube
One end, outlet hose with pressure and inlet hose with pressure be respectively positioned in dust cover, cooling medium inlet pipe be set to dust cover bottom,
Cooling media outlet pipe is set at the top of dust cover.
Preferably, the executing agency further includes the displacement sensor being fixed on dust cover outer end face, in first piston
Bar and second piston bar are equipped with magnet ring between extending to one end on the outside of cylinder tube, and displacement sensor matches setting with magnet ring.
Preferably, it is equipped with gas internal piston seal assembly in the first assembly of gas piston and the second component junction；
One component is equipped with gas piston seal component annular groove, and gas piston seal component is equipped in gas piston seal component annular groove；
Cylinder cover is equipped with cylinder cover seal assembly with First piston bar junction, cylinder cover and second piston bar junction；
It is equipped with intermediate end cover sealing group in intermediate end cover and First piston bar junction, intermediate end cover and second piston bar junction
Part.
Preferably, the first hydraulic cavities row being connected with the first hydraulic cavities is equipped at the top of the cylinder tube close to cylinder cover
Air valve interface connects at the top of the cylinder tube close to intermediate end cover equipped with the second hydraulic cavities air bleeding valve being connected with the second hydraulic cavities
Mouthful, the first blowdown valve interface being connected with the first hydraulic cavities is being equipped with close to the cylinder tube bottom of cylinder cover, in
Between the cylinder tube bottom of end cap be equipped with the second blowdown valve interface for being connected with the second hydraulic cavities, in the clearance close to intermediate end cover
The breathing and leakage monitoring valve interface for being equipped at the top of cylinder barrel and being connected inside clearance cylinder barrel, more than close intermediate end cover
Gap cylinder barrel bottom is equipped with and the third blowdown valve interface that is connected inside clearance cylinder barrel.
The utility model using the above scheme, provides a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency,
Its which has a compact structure and a reasonable design, the executing agency use cooling water or conduction oil for cooling medium, and cooling medium is via inside
The second piston bar of hollow First piston bar, gas piston cooling chamber, cooling chamber outlet tube and inner hollow, to executing agency into
Row cooling.The executing agency uses double piston-rod structure, and piston rod is hollow as flow channels, and gas piston band cooling chamber is cold
But intracavitary setting augmentation of heat transfer, strengthen rigidity structure, cooling chamber outlet tube is connected with second piston bar, for excluding cooling chamber
The gas in portion and the cooling medium of reflux, to reach better cooling effect；Gas piston, oily piston and two hollow piston rods are reliable
Connection drives oily piston using hydraulic control system, drives gas piston motion by two parallel hollow piston rods, keeps shell gentle
The clearance chamber of appropriate volume is formed between piston, and then realizes that clearance volume is stepless adjustable.The utility model is hollow using two
Piston rod and gas piston with cooling chamber form novel inner-cooled executing agency, for the executing agency of short stroke, major diameter,
The size and weight of the executing agency are better than existing inner-cooled executing agency, and cooling effect is better than using the external-cooling type of chuck cold
But effect is effectively saved the power consumption of reciprocating compressor；For the executing agency of major diameter gas piston, double piston-rod structure is rigid
It spends, and can avoid the seal assembly caused by piston rotates and damage, the service life of executing agency can be extended, improve and execute
The reliability of mechanism；Also, the executing agency can easily use with power-assisted counter balance pocket respective outer side edges, past for high pressure
Twin compressor clearance step-less adjustment tolerance；Simultaneously as hollow piston rod passes through hydraulic working oil chamber, can also be made by heat exchange
It obtains hydraulic oil and is in optimum working temperature range, be conducive to keep hydraulic oil good working state, be particularly suitable for high pressure or big
Cylinder diameter compressor redundant gap step-less adjustment tolerance system.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model executing agency shell structure schematic diagram；
Fig. 3 is the utility model gas piston structure schematic diagram；
Fig. 4 is the structural schematic diagram of the utility model embodiment 1；
Fig. 5 is the structural schematic diagram of the utility model embodiment 2.
In figure, 1, shell, 2, gas piston, 3, intermediate end cover seal assembly, 4, cylinder cover seal assembly, 5, oily piston,
6, First piston bar, 7, second piston bar, 8, oily piston seal assembly, 9, cooling chamber outlet tube, 10, gas piston seal component,
11, cooling medium inlet pipe, 12, magnet ring, 13, displacement sensor, 14, two-tube-pass bobbin carriage, 15, cooling media outlet pipe, 16, band
Press inlet hose, 17, outlet hose with pressure, 18, dust cover, 19, upper box, 20, lower box, the 21, first hydraulic cavities, 22, the
Two hydraulic cavities, 23, clearance chamber, 24, breathing and leakage monitoring valve interface, 25-1, the first hydraulic cavities air bleeding valve interface, 25-2, the
Two hydraulic cavities air bleeding valve interfaces, 26-1, the first blowdown valve interface, 26-2, the second blowdown valve interface, 26-3, third blowdown valve connect
Mouthful, 1-1, clearance cylinder barrel, 1-2, intermediate end cover, 1-3, cylinder cover, 1-4, cylinder tube, 1-5, mounting flange, 2-1, first
Component, 2-2, the second component, 2-3a, First piston bar connector, 2-3b, second piston bar connector, 2-4, cooling chamber, 2-5,
Gas internal piston seal assembly, 2-6, connector, 2-7, gas piston seal component slot, 2-8, supporting guide plate.
Specific implementation mode：
In order to clarify the technical characteristics of the invention, below by specific implementation mode, and its attached drawing is combined, to this reality
It is described in detail with novel.
Embodiment 1：
As shown in Figs 1-4, a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency, including executing agency execute
Mechanism is mainly by shell 1, gas piston 2, oily piston 5, First piston bar 6, second piston bar 7, cooling chamber outlet tube 9, intermediate ends
The structures such as lid seal assembly 3, cylinder cover seal assembly 4, oily piston seal assembly 8, gas piston seal component 10, clearance chamber 23
At, wherein shell 1 includes mainly clearance cylinder barrel 1-1, intermediate end cover 1-2, cylinder cover 1-3, cylinder tube 1-4, mounting flange
1-5.It is equipped with gas piston 2 in the clearance cylinder barrel 1-1 of executing agency, oily piston 5, oil are equipped in the cylinder tube 1-4 of executing agency
Cylinder tube 1-4 is separated into the first hydraulic cavities 21 and the second hydraulic cavities 22 by piston 5, and the first hydraulic cavities 21 and the second hydraulic cavities 22 are divided
It is not connected with hydraulic control system by pipeline, two First piston bars 6 and second piston disposed in parallel is equipped in the executing agency
Bar 7, First piston bar 6 and 7 equal one end of second piston bar are fixedly linked with gas piston 2, and the other end sequentially passes through intermediate end cover 1-
2, oily piston 5 and cylinder cover 1-3 are extended on the outside of cylinder tube 1-4, and First piston bar 6 and second piston bar 7 are and intermediate end cover
1-2, cylinder cover 1-3 are movably connected, and are fixedly linked with oily piston 5；Cooling medium inlet pipe 11 is equipped on the outside of executing agency
With cooling media outlet pipe 15, the gas piston is interior to be equipped with cooling chamber 2-4, and First piston bar 6 and second piston bar 7 are interior along length
Direction is equipped with the flow channels being connected with cooling chamber 2-4, and cooling medium inlet pipe 11 is through the flow channels in First piston bar 6
It is connected with the import of cooling chamber 2-4, the outlet of cooling chamber 2-4 goes out through the flow channels in second piston bar 7 with cooling medium
Mouth pipe 15 is connected, and the cooling medium of circulation is equipped in flow channels and cooling chamber 2-4.
The gas piston 2 includes by the connector 2-6 first assembly 2-1 being connected and the second component 2-2, first assembly 2-
1 and second constitutes that cooling chamber 2-4, the second component 2-2 be upper and 7 position pair of First piston bar 6 and second piston bar between component 2-2
Positive place is respectively equipped with First piston bar connector 2-3a and second piston bar connector 2-3b, First piston bar 6 and second piston
Bar 7 is each passed through First piston bar connector 2-3a and second piston bar connector 2-3b and is connected with the second component 2-2, cooling chamber
The tops 2-4 are equipped with cooling chamber outlet tube 9, and 9 upper end of cooling chamber outlet tube is at the top of cooling chamber 2-4,9 lower end of cooling chamber outlet tube
It is connected with the flow channels in second piston bar 7.Wherein, gas piston 2, oily piston 5 and First piston bar 6, second piston bar 7
It is reliably connected, oily piston 5 is driven using hydraulic control system, gas piston is driven by parallel First piston bar 6 and second piston bar 7
2 movements make the clearance chamber 23 that appropriate volume is formed between the gentle pistons of clearance cylinder barrel 1-1 2, to realize that clearance volume is stepless
Adjustable, 9 lower end of cooling chamber outlet tube is connected with second piston bar 7,9 upper end of cooling chamber outlet tube close to cooling chamber 2-4 peaks,
Gas for excluding the tops cooling chamber 2-4, to reach preferably cooling effect.
Equipped with several supporting guide plate 2-8 on first assembly 2-1 in the cooling chamber 2-4, reinforcing can be played
Heat transfer, the effect of strengthen rigidity.
It is equipped with two-tube-pass bobbin carriage 14 on the outside of cylinder cover 1-3, cooling medium is in two-tube-pass bobbin carriage 14, flow channels and cold
But chamber 2-4 inner recirculation flows are logical, include upper and lower independent upper box 19 and lower box 20, First piston bar 6 in two-tube-pass bobbin carriage 14
One end on the outside of cylinder tube 1-4 is extended to second piston bar 7 to be located in lower box 20 and upper box 19, cooling medium inlet
Pipe 11 is set to 20 bottom of lower box, and cooling medium inlet pipe 11 is connected through lower box 20 with the flow channels of First piston bar 6,
Cooling media outlet pipe 15 is set to 19 top of upper box, and the flow channels of second piston bar 7 go out through upper box 19 and cooling medium
Mouth pipe 15 is connected.
The executing agency further includes the displacement sensor 13 being fixed on the outer end face of two-tube-pass bobbin carriage 14, is lived first
Stopper rod 6 or second piston bar 7 extend to one end on the outside of cylinder tube 1-4 and are equipped with magnet ring 12, and displacement sensor 13 matches with magnet ring 12
Setting is closed, magnet ring 12 is fixed on the end of First piston bar 6 or second piston bar 7, with First piston bar 6 or second piston bar 7
Movement and move, the relative displacement signal by detecting displacement sensor 13 and magnet ring 12 can feed back the reality of outlet piston 2
When position, also, displacement sensor is in middle pressure area, and displacement sensor 13 can be protected to be hardly damaged.
It is equipped with gas internal piston seal assembly 2-5 in the first assembly 2-1 of gas piston 2 and the second junctions component 2-2；
First assembly 2-1 is equipped with gas piston seal component annular groove 2-7, and gas piston is equipped in gas piston seal component annular groove 2-7
Seal assembly 10；It is equal in cylinder cover 1-3 and 6 junction of First piston bar, cylinder cover 1-3 and 7 junction of second piston bar
Equipped with cylinder cover seal assembly 4；In intermediate end cover 1-2 and 6 junction of First piston bar, intermediate end cover 1-2 and second piston
7 junction of bar is equipped with intermediate end cover seal assembly 3.
The first hydraulic cavities being connected with the first hydraulic cavities 21 are equipped at the top of the cylinder tube 1-4 close to cylinder cover 1-3
Air bleeding valve interface 25-1 is equipped with second to be connected with the second hydraulic cavities 22 at the top of the cylinder tube 1-4 close to intermediate end cover 1-2
Hydraulic cavities air bleeding valve interface 25-2 is connected being equipped with close to the bottoms cylinder tube 1-4 of cylinder cover 1-3 with the first hydraulic cavities 21
The first blowdown valve interface 26-1, be connected with the second hydraulic cavities 22 being equipped with close to the bottoms cylinder tube 1-4 of intermediate end cover 1-2
The second blowdown valve interface 26-2, be equipped at the top of the clearance cylinder barrel 1-1 close to intermediate end cover 1-2 with inside clearance cylinder barrel
The breathing being connected and leakage monitoring valve interface 24 are being equipped with and clearance close to the bottoms clearance cylinder barrel 1-1 of intermediate end cover 1-2
The third blowdown valve interface 26-3 being connected inside cylinder barrel.
Wherein, breathing and leakage monitoring valve interface 24 are used for：When gas piston 2 moves right, from breathing and leakage monitoring
Make-up gas at valve interface 24 occurs true with the cavity formed between gas-tight piston 2, intermediate end cover 1-2, clearance cylinder barrel 1-1
Dummy status and deform；When gas piston 2 moves downward, gas is discharged from breathing and leakage monitoring valve interface 24, is lived with gas-tight
The gas boost in cavity formed between plug 2, intermediate end cover 1-2, clearance cylinder barrel 1-1 hinders gas piston normally to transport to the left
Row, cannot reach actual step-less adjustment effect；In addition, when gas piston seal component 10 damages, being compressed in compressor
Gas is flowed through after the seal assembly of damage reaches the cavity formed by gas piston 2, intermediate end cover 1-2, clearance cylinder barrel 1-1 and is exhaled
When suction and leakage monitoring valve interface 24, the real-time monitoring leakage situation of leakage monitoring system of peripheral hardware can be passed through.
First hydraulic cavities air bleeding valve interface 25-1 is the top vent valve interface of the first hydraulic cavities 21, the exhaust of the second hydraulic cavities
Valve interface 25-2 is the top vent valve interface of the second hydraulic cavities 22.It acts as empty the first hydraulic cavities 21 and the second hydraulic cavities
Air in 22, shake, job insecurity, the raising of cylinder barrel surface temperature etc. when being run to prevent cylinder tube 1-4.
First blowdown valve interface 26-1, the second blowdown valve interface 26-2 and third blowdown valve interface 26-3 are used for：Thoroughly row
Go out working media and the spot object etc. in respective cavities.
In the present embodiment, cooling medium inlet pipe 11 and cooling media outlet pipe 15 are connected with plant circulation cooling system
It is logical, use cooling water or conduction oil for cooling medium, cooling medium is via cooling medium inlet pipe 11, lower box 20, first
Piston rod 6 enter gas piston cooling chamber 2-4, gas piston 2 is cooled down, then through cooling chamber outlet tube 9, second piston bar 7, on
Babinet 19, cooling media outlet pipe 15 flow out, and radiate to executing agency.
Embodiment 2：
As shown in figure 5, being in place of the embodiment and the difference of embodiment 1：
Cooling medium inlet pipe 11 is connected through inlet hose 16 with pressure with the flow channels of First piston bar 6, and second lives
The flow channels of stopper rod 7 are connected through outlet hose 17 with pressure with cooling media outlet pipe 15.
Dust cover 18 is equipped on the outside of cylinder cover 1-3, First piston bar 6 and second piston bar 7 extend to outside cylinder tube 1-4
One end of side, outlet hose with pressure 17 and inlet hose with pressure 16 are respectively positioned in dust cover 18, and dust cover 18 is for shielding dust
Equal impurity, in order to avoid influence the work of magnet ring 12, displacement sensor 13, First piston bar 6 and second piston bar 7.Cooling medium into
Mouth pipe 11 is set to 18 bottom of dust cover, and cooling media outlet pipe 15 is set to 18 top of dust cover.Inlet hose 16 with pressure and with pressure
When outlet hose 17 can ensure that First piston bar 6 and second piston bar 7 move to any position, cooling medium inlet pipe 11 with
Good connection between First piston bar 6, between cooling media outlet pipe 15 and second piston bar 7.
The executing agency further includes the displacement sensor 13 being fixed on 18 outer end face of dust cover, in First piston bar 6
And second piston bar 7 extends to and is equipped with magnet ring 12 between one end on the outside of cylinder tube 1-4, displacement sensor 13 is matched with magnet ring 12
Setting, magnet ring 12 is fixed among the end of First piston bar 6 and second piston bar 7, with First piston bar 6 and second piston bar
7 movement and move, the relative displacement signal by detecting displacement sensor 13 and magnet ring 12 can feed back the reality of outlet piston 2
When position, also, displacement sensor is in atmospheric area, and displacement sensor 13 can be protected to be hardly damaged.
In the present embodiment, cooling medium inlet pipe 11 and cooling media outlet pipe 15 are connected with plant circulation cooling system
It is logical, use cooling water or conduction oil for cooling medium, cooling medium is via cooling medium inlet pipe 11, inlet hose with pressure
16, First piston bar 6 enters gas piston cooling chamber 2-4, is cooled down to gas piston 2, then lives through cooling chamber outlet tube 9, second
Stopper rod 7, outlet hose with pressure 17, cooling media outlet pipe 15 flow out, and radiate to executing agency.
In the present invention, the gas piston by the way that two hollow piston rods are arranged and with cooling chamber is formed novel interior cold
Formula executing agency, good cooling results occupy little space, and the double piston-rod rigidity of structure is good, and can avoid causing because of piston rotation
Seal assembly damage, can extend the service life of executing agency, improve reliability, be particularly suitable for high pressure or large-diameter pressure
Contracting machine clearance step-less adjustment tolerance system.
Above-mentioned specific implementation mode cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (10)
1. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency, including executing agency, the clearance cylinder of executing agency
Be equipped with gas piston in cylinder, be equipped with oily piston in the cylinder tube of executing agency, oily piston by cylinder tube be separated into the first hydraulic cavities and
Second hydraulic cavities, the first hydraulic cavities and the second hydraulic cavities are connected by pipeline with hydraulic control system respectively, it is characterised in that：It is described to hold
Be equipped with two First piston bars and second piston bar disposed in parallel in row mechanism, First piston bar and the equal one end of second piston bar with
Gas piston is fixedly linked, and the other end sequentially passes through intermediate end cover, oily piston and cylinder cover and extends on the outside of cylinder tube, first piston
Bar and second piston bar are movably connected with intermediate end cover, cylinder cover, are fixedly linked with oily piston；It is set on the outside of executing agency
There are cooling medium inlet pipe and cooling media outlet pipe, cooling chamber, First piston bar and second piston are equipped in the gas piston
The flow channels being connected with cooling chamber are equipped in bar along its length, cooling medium inlet pipe is through the overcurrent in First piston bar
Channel is connected with the import of cooling chamber, and the outlet of cooling chamber is through the flow channels and cooling media outlet pipe in second piston bar
It is connected, the cooling medium of circulation is equipped in flow channels and cooling chamber.
2. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 1, it is characterised in that：Institute
It includes the first assembly being connected by connector and the second component to state gas piston, and cooling is constituted between first assembly and the second component
Chamber is respectively equipped with First piston bar connector and second on the second component with First piston bar and second piston bar position alignment
Piston rod connector, First piston bar and second piston bar are each passed through First piston bar connector and second piston bar connector
It is connected with the second component, cooling chamber top is equipped with cooling chamber outlet tube, and cooling chamber outlet tube upper end is cooling at the top of cooling chamber
Chamber outlet tube lower end is connected with the flow channels in second piston bar.
3. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 2, it is characterised in that：Institute
It states in cooling chamber equipped with several supporting guide plates in first assembly.
4. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 1, it is characterised in that：
It is equipped with two-tube-pass bobbin carriage on the outside of cylinder cover, includes upper and lower independent upper box and lower box, first piston in two-tube-pass bobbin carriage
Bar and second piston bar extend to one end on the outside of cylinder tube and are located in lower box and upper box, and cooling medium inlet pipe is set to
Lower box bottom, cooling medium inlet pipe are connected through lower box with the flow channels of First piston bar, cooling media outlet pipe
At the top of upper box, the flow channels of second piston bar are connected through upper box with cooling media outlet pipe.
5. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 4, it is characterised in that：Institute
It further includes the displacement sensor being fixed on the outer end face of two-tube-pass bobbin carriage to state executing agency, in First piston bar or second piston
Bar extends to one end on the outside of cylinder tube and is equipped with magnet ring, and displacement sensor matches setting with magnet ring.
6. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 1, it is characterised in that：It is cold
But medium inlet is connected through inlet hose with pressure with the flow channels of First piston bar, the flow channels warp of second piston bar
Outlet hose with pressure is connected with cooling media outlet pipe.
7. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 6, it is characterised in that：
Dust cover is equipped on the outside of cylinder cover, it is soft that First piston bar and second piston bar extend to one end, outlet with pressure on the outside of cylinder tube
Pipe and inlet hose with pressure are respectively positioned in dust cover, and cooling medium inlet pipe is set to dust cover bottom, and cooling media outlet pipe is set
At the top of dust cover.
8. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 7, it is characterised in that：Institute
It further includes the displacement sensor being fixed on dust cover outer end face to state executing agency, is extended in First piston bar and second piston bar
Magnet ring is equipped between one end on the outside of cylinder tube, displacement sensor matches setting with magnet ring.
9. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 1,2,4 or 6, feature
It is：It is equipped with gas internal piston seal assembly in the first assembly of gas piston and the second component junction；It is set in first assembly
There is gas piston seal component annular groove, gas piston seal component is equipped in gas piston seal component annular groove；Cylinder cover with
First piston bar junction, cylinder cover and second piston bar junction are equipped with cylinder cover seal assembly；In intermediate end cover
It is equipped with intermediate end cover seal assembly with First piston bar junction, intermediate end cover and second piston bar junction.
10. a kind of double piston-rod inner-cooled clearance step-less adjustment executing agency according to claim 4 or 6, feature exist
In：The first hydraulic fluid chamber air bleeding valve interface being connected with the first hydraulic cavities is equipped at the top of the cylinder tube close to cylinder cover,
The second hydraulic fluid chamber air bleeding valve interface for being connected with the second hydraulic cavities is equipped at the top of the cylinder tube close to intermediate end cover, by
The cylinder tube bottom of nearly cylinder cover is equipped with the first blowdown valve interface being connected with the first hydraulic cavities, close to intermediate end cover
Cylinder tube bottom is equipped with the second blowdown valve interface being connected with the second hydraulic cavities, close to the clearance cylinder barrel top of intermediate end cover
Portion be equipped with the breathing and leakage monitoring valve interface that are connected inside clearance cylinder barrel, in the clearance cylinder barrel close to intermediate end cover
Bottom is equipped with and the third blowdown valve interface that is connected inside clearance cylinder barrel.
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| CN201820489448.8U CN208010575U (en) | 2018-04-04 | 2018-04-04 | A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency |
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| CN201820489448.8U CN208010575U (en) | 2018-04-04 | 2018-04-04 | A kind of double piston-rod inner-cooled clearance step-less adjustment executing agency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| RU2817323C1 (en) * | 2023-06-02 | 2024-04-15 | Федеральное государственное бюджетное военное образовательное учреждение высшего образования "Военно-космическая академия имени А.Ф. Можайского" Министерства обороны Российской Федерации | Piston compressor stage |
-
2018
- 2018-04-04 CN CN201820489448.8U patent/CN208010575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| RU2817323C1 (en) * | 2023-06-02 | 2024-04-15 | Федеральное государственное бюджетное военное образовательное учреждение высшего образования "Военно-космическая академия имени А.Ф. Можайского" Министерства обороны Российской Федерации | Piston compressor stage |
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Effective date of registration: 20240426 Address after: Building 1-811, No. 15612 Century Avenue, High tech Zone, Jinan City, Shandong Province, 250000 Patentee after: SHANDONG YIYANG PETROCHEMICAL ENERGY-SAVING EQUIPMENT LTD. Country or region after: China Address before: Room 1702, Building 53, No. 26 Gongye South Road, Lixia District, Jinan City, Shandong Province, 250000 Patentee before: Gu Xingkun Country or region before: China Patentee before: Qu Yanpeng |