CN201661544U - Air recovery compressor of hanging type sleeve - Google Patents
Air recovery compressor of hanging type sleeve Download PDFInfo
- Publication number
- CN201661544U CN201661544U CN2010201442162U CN201020144216U CN201661544U CN 201661544 U CN201661544 U CN 201661544U CN 2010201442162 U CN2010201442162 U CN 2010201442162U CN 201020144216 U CN201020144216 U CN 201020144216U CN 201661544 U CN201661544 U CN 201661544U
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- China
- Prior art keywords
- piston
- piston rod
- cylinder
- air cylinder
- sleeve pipe
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- Expired - Lifetime
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Abstract
The utility model provides an air recovery compressor of a hanging type sleeve, which comprises an air cylinder and a piston rod arranged in the air cylinder. The piston rod is hung on a rocker arm of an oil extractor, a piston for air compression is fixed on the piston rod, a plurality of piston rings and supporting rings are arranged on the piston, one end of the piston rod is articulated with a piston rod connecting seat, the connecting seat is fixed on the rocker arm of the oil extractor, and a lower end cover of the air cylinder is articulated on an air cylinder installing seat. The air cylinder and the piston rod carry out synchronous free swinging along with the rocker arm. An air cylinder cover, the inner wall of the air cylinder and the piston form a working cavity. The piston carries out reciprocating motion relatively to the air cylinder. The piston rod is hung on the rocker arm, which cancels a crank connecting rod mechanism used for converting rotating motion into reciprocating motion; therefore, the structure is simpler, and the reliability is higher. Moreover, the air cylinder freely swings along with the swinging of the piston rod and the supporting rings are arranged on the piston at the same time, which overcomes deflective friction of the piston rings, reduces friction and abrasion between the piston rings and the air cylinder, reduces power consumption, and prolongs the service life as well.
Description
Technical field
The utility model belongs to compressor field, is specifically related to a kind of piston rod suspension type sleeve pipe gas and reclaims compressor.
Background technique
Sleeve in oil field gas reclaims the compressor that uses at present helical-lobe compressor and piston compressor etc.Helical-lobe compressor is that the molded lines that relies on the yin, yang rotor comes sealing gas, so the complicated precision height of processing technology requires height to properties of materials, thereby caused higher cost.Helical-lobe compressor must use lubricant oil to be lubricated when operation in addition, and this lubricant oil will be reused, so cause bigger separation and filtrating equipment.Because the sealing means of helical-lobe compressor mainly relies on the molded lines gap to seal, and can only move under normal pressure so just determined screw compressor, being difficult at pressure is that 1.6MPa carries out the recovery of sleeve pipe gas.Although piston compressor has unique advantages in sleeve pipe gas reclaims, its bigger connecting rod makes this body long-pending big, and vibration is big, easily damaged parts is many, and functional reliability is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of compressor set that sleeve in oil field gas reclaims that both can under high pressure also can under low pressure carry out, this machine is revealed little, the volumetric efficiency height, simple in structure, simultaneously owing to omitted the huge connecting rod of piston type, its reciprocating mass is reduced greatly, vibrate for a short time, the functional reliability height has had and has increased substantially.
For achieving the above object, the technological scheme that this patent adopts is: comprise cylinder and be arranged on the interior piston rod of cylinder, one end of piston rod is fixedlyed connected with piston, the other end links to each other with last coupling shaft, last coupling shaft is articulated on the piston rod fitting seat by piston rod pin, piston is provided with piston ring and support ring, on the cylinder, following two ends are fixed with cylinder upper cover and lower cover of air cylinder respectively, lower cover of air cylinder is fixedlyed connected with following coupling shaft, this time coupling shaft is articulated on the cylinder mounting base by the air cylinder base pin, piston, cylinder inner wall and cylinder upper cover have formed an enclosed volume, piston is reciprocating in cylinder with piston rod, and is provided with coupled logical admission line and exhaust duct in this enclosed volume.
Piston rod of the present utility model, piston are concentric installation with cylinder; The piston ring that is provided with on the piston is more than one group; The piston rod fitting seat is fixed on the pumping unit rocking arm; Be provided with bypass tube between admission line and the exhaust duct, and on exhaust duct, also be provided with safety valve; The gap of piston and cylinder upper cover and lower cover of air cylinder is 5～20 millimeters.
Because piston rod of the present utility model has adopted the method that hangs, so piston rod can only be reciprocating along cylinder, the speed synchronization of the speed of its motion and oil pumping rocking bar, piston ring relies on the pressure of sleeve pipe gas to be close to the internal face of cylinder, reached good sealing state, the base of cylinder is articulated on the supporting base, and piston rod is articulated on the rocking arm of pumping unit, so cylinder will be with the swing of rocking arm the swing of free synchronization, reduced the eccentric wear phenomenon of piston ring and cylinder inner wall face, improved its functional reliability, owing to be provided with safety valve, made the Security of its operation that reliable assurance arranged simultaneously at exhaust duct.Both continued the advantage of piston compressor, omitted the huge connecting rod of piston compressor again, overcome the shortcoming of piston compressor, solved the technical problem that sleeve pipe gas reclaims under various pressure.
Description of drawings
Fig. 1 is working principle of the present utility model and overall structure schematic representation.
Fig. 2 is the utility model piston rod and the hinged schematic representation of connecting base.
Fig. 3 is the utility model inlet and outlet and bypass schematic representation.
Fig. 4 is pumping unit rocking arm and piston rod connection diagram.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and working principle are described in further detail.
Referring to Fig. 1, the utility model comprises cylinder 8 and the piston rod 9 that is arranged in the cylinder 8, one end of piston 9 is fixed on the piston 7, the other end is fixed on the coupling shaft 11, one group of support ring 5 and two groups of piston rings 6 are installed on piston 7, the two ends of cylinder 8 are separately installed with cylinder upper cover 10 and lower cover of air cylinder 2, last coupling shaft 11 is articulated in piston rod connecting base 13 by piston rod pin 12, lower cover of air cylinder 2 is fixed with down coupling shaft 4, this time coupling shaft 4 is articulated in cylinder mounting base 1 by air cylinder base pin 3, piston 7, the internal face of cylinder 8 and cylinder upper cover 10 have formed an enclosed volume, this is also referred to as compression chamber, and is provided with coupled logical admission line 16 and exhaust duct 17 in this enclosed volume.When connecting base 13 swings up and down with rocking arm, 9 in piston rod is also swinging up and down with connecting base 13, spurring piston 7 thus moves back and forth in cylinder 8, when piston when the upper end cap 10 of cylinder moves down, the pressure of enclosed volume is lower than the pressure of sleeve pipe gas, sleeve pipe gas is pushed suction valve open and is entered enclosed volume by admission line 16 under action of pressure, when piston 7 moves to bottom dead center position and is the position of lower cover of air cylinder 2, be full of sleeve pipe gas in the enclosed volume fully, this also is the maximum gas amount that this compressor can suck in a stroke, finished the intake process of this compressor set, when piston rod 9 moves up with the rocking arm of pumping unit, sleeve pipe air space in the enclosed volume dwindles, sleeve pipe gas is compressed, pressure in the compression chamber improves continuously until arriving specified exhaust pressure, finished the compression process of compressor, because the seal action that piston ring 6 is good, make the sleeve pipe gas in the compression chamber can not be leaked to the space at lower cover of air cylinder 2 and piston 7 tops, when the pressure of cylinder 8 enclosed volume middle sleeve gas greater than predefined pressure, during perhaps greater than the pressure in the air duct, compressed sleeve pipe gas in the enclosed volume is pushed outlet valve open and is discharged through exhaust duct 17, finish the exhaust process of gas, afterwards, piston 7 moves from top to bottom again, exhaust valve closure, INO, finish air inlet again and again, compression and exhaust process, a work cycle of Here it is this compressor.
Fig. 2 has represented piston rod 9 and the hinged structural representation of connecting base, and it is identical that lower cover of air cylinder and fitting seat hinged schemed therewith.Pumping unit is when work, its rocking arm is except swinging up and down, it also rotates in the rocking arm fulcrum work several angle at a slow speed of pumping unit, it also drives piston rod and do at a slow speed swing except that to-and-fro motion thus, because entire cylinder device and piston rod 9 are articulated in respectively on air cylinder base pin 3 and the piston rod pin 12, so cylinder assembly and piston rod 9 fully can be according to the rotations of rocking arm and synchronous freely swinging, significantly reduced because the swing of cylinder assembly and piston rod and the eccentric wear phenomenon that may form.
Fig. 3 is the schematic representation of inlet and outlet pipeline bypass, it is the guarantee that guarantees this compressor safe operation, when outlet valve breaks down, cylinder makes when the sleeve pipe gas in the enclosed volume can't be discharged, the pressure of enclosed volume then improves constantly, when it during greater than predefined safety pressure, sleeve pipe gas in the enclosed volume is pushed safety valve 19 open and is linked to each other with compressor inleting pipe road 16 through bypass tube 18, both guaranteed that sleeve pipe gas did not leak, simultaneously guaranteed that also the sleeve pipe atmospheric pressure in the cylinder enclosed volume is no more than safe-working pressure, has guaranteed the safe operation of this compressor.
Fig. 4 is pumping unit rocking arm and piston rod connection diagram.This chart is understood the link position and the method for operation of piston rod fitting seat and rocking arm.
The utility model is owing to utilized the good seal action of piston ring, so it can use in the field of low pressure, medium and high pressure, sleeve pipe gas disposal adaptive capacity is big, if sleeve pipe gas is large-minded, this machine distortion is easy, nothing but the diameter of intensifying cylinder.The utility model is provided with one group of support ring 5 at piston 7, has born the eccentric wear phenomenon of piston 7 for cylinder 8, has improved working life.In addition, the compressor of this model utility has utilized the power of the rocking bar of pumping unit as piston rod movement dexterously, omit huge connecting rod, make the component of compressor significantly reduce, simple in structure, reliability is enhanced, and volume also reduces 20-30% than reciprocating compressor, and weight alleviates about 40% approximately.
Claims (6)
1. suspension type sleeve pipe gas reclaims compressor set, it is characterized in that: comprise cylinder (8) and be arranged on the interior piston rod (9) of cylinder (8), one end of piston rod (9) is fixedlyed connected with piston (7), the other end links to each other with last coupling shaft (11), last coupling shaft (11) is articulated on the piston rod fitting seat (13) by piston rod pin (12), piston (7) is provided with piston ring (6) and support ring (5), on the cylinder (8), following two ends are fixed with cylinder upper cover (10) and lower cover of air cylinder (2) respectively, lower cover of air cylinder (2) is fixedlyed connected with following coupling shaft (4), this time coupling shaft (4) is articulated on the cylinder mounting base (1) by air cylinder base pin (3), piston (7), cylinder (8) inwall and cylinder upper cover (10) have formed an enclosed volume, piston (7) is reciprocating in cylinder (8) with piston rod (9), and is provided with coupled logical admission line (16) and exhaust duct (17) in this enclosed volume.
2. suspension type sleeve pipe gas according to claim 1 reclaims compressor, it is characterized in that: said piston rod (9), piston (7) are concentric installation with cylinder (8).
3. suspension type sleeve pipe gas according to claim 1 reclaims compressor, it is characterized in that: it is more than one group that said piston (7) is gone up the piston ring (6) that is provided with.
4. suspension type sleeve pipe gas according to claim 1 reclaims compressor, and it is characterized in that: piston rod fitting seat (13) is fixed on the pumping unit rocking arm.
5. suspension type sleeve pipe gas according to claim 1 reclaims compressor, it is characterized in that: be provided with bypass tube (18) between said admission line (16) and the exhaust duct (17), and also be provided with safety valve (19) on exhaust duct (17).
6. suspension type sleeve pipe gas according to claim 1 reclaims compressor, it is characterized in that: described piston (7) is 5～20 millimeters with the gap of cylinder upper cover (10) and lower cover of air cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201442162U CN201661544U (en) | 2010-03-30 | 2010-03-30 | Air recovery compressor of hanging type sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201442162U CN201661544U (en) | 2010-03-30 | 2010-03-30 | Air recovery compressor of hanging type sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661544U true CN201661544U (en) | 2010-12-01 |
Family
ID=43231960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201442162U Expired - Lifetime CN201661544U (en) | 2010-03-30 | 2010-03-30 | Air recovery compressor of hanging type sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722705A (en) * | 2015-03-25 | 2015-06-24 | 江苏万工科技集团有限公司 | Molding sand unloading mechanism |
-
2010
- 2010-03-30 CN CN2010201442162U patent/CN201661544U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722705A (en) * | 2015-03-25 | 2015-06-24 | 江苏万工科技集团有限公司 | Molding sand unloading mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |