CN109653989A - A kind of reciprocating compressor roller crosshead - Google Patents
A kind of reciprocating compressor roller crosshead Download PDFInfo
- Publication number
- CN109653989A CN109653989A CN201811487489.4A CN201811487489A CN109653989A CN 109653989 A CN109653989 A CN 109653989A CN 201811487489 A CN201811487489 A CN 201811487489A CN 109653989 A CN109653989 A CN 109653989A
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- China
- Prior art keywords
- crosshead
- hole
- roller
- pin
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C5/00—Crossheads; Constructions of connecting-rod heads or piston-rod connections rigid with crossheads
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
Abstract
The present invention relates to Compressor Technology field, specifically a kind of reciprocating compressor roller crosshead.Including cross head assembly and middle body, the cross head assembly is placed on middle body, the cross head assembly includes crosshead body and crosshead pin, the crosshead body is internally provided with link motion chamber and piston rod connection screw thread hole, the link motion is intracavitary to be placed with connecting rod, piston rod is connected in the piston rod connection screw thread hole, microcephaly's taper pin-hole and major part taper pin-hole are also disposed at left and right sides of the crosshead body, traditional sliding friction is changed to rolling friction, largely reduce the friction between crosshead component and slideway, extend crosshead component service life；The roller of original crosshead watt He fixing screws routine is replaced, cost is reduced, it is easy to process；Connecting rod and crosshead connection type use taper pin, and dismounting connecting rod is convenient, to neutral good.
Description
Technical field
The present invention relates to Compressor Technology field, specifically a kind of reciprocating compressor roller crosshead.
Background technique
Crosshead is the excessive component that crankshaft rotary motion switchs to reciprocating motion of the pistons in reciprocating compressor, is reciprocating
One of the component of most critical in compressor, directly affects the economy, reliability and maintainability of compressor.
The crosshead component of traditional structure includes box-shaped crosshead body, cylinder crosshead pin, up and down each a piece of crosshead watt
(import parts) and fastening screw etc..Mainly connecting rod and crosshead body are connected by crosshead pin, piston rod passes through with crosshead
It is threadedly coupled, crosshead component makees straight reciprocating motion in middle body slideway.Wherein, the phase between crosshead watt and middle body chute surface
Sliding friction is generated to movement, in order to reduce friction, traditional structure passes through connecting rod body opening, crosshead pin hole, cross lubrication hole
And the oil circuit of the formation such as crosshead watt hole can band lubricating oil is injected into crosshead watt outer surface and middle body slideway contacting surface
Heat caused by rubbing is walked, also can reduce abrasion.In actual application, the blocking of the oil circuit due to caused by residue or oil
Product problem leads to lubricating oil replenishing not enough or can not take away heat, then accelerates the abrasion of crosshead watt, cause piston ring indirectly
A series of problems, such as abrasion, filler abrasion, cylinder leakage tester, big noise, extreme influence compressor operation performance must shut down inspection at once
It repairs.In addition, introducing because of crosshead watt material and the particularity of technique essentially by foreign countries, procurement cycle is long, and price is high.
Summary of the invention
In order to make up the above deficiency, the present invention provides a kind of reciprocating compressor roller crossheads, on solving
State the problems in background technique.
The technical scheme is that a kind of reciprocating compressor roller crosshead, including cross head assembly and
Middle body, the cross head assembly be placed in portion middle position and its outer wall and middle body upper and lower surface sliding contact in vivo, it is described
Cross head assembly includes crosshead body and crosshead pin, and the crosshead body is internally provided with link motion chamber and piston rod connects
Threaded hole is connect, the link motion is intracavitary to be placed with connecting rod, it is connected with piston rod in the piston rod connection screw thread hole, described ten
Microcephaly's taper pin-hole and major part taper pin-hole, and microcephaly's taper pin-hole and major part taper pin-hole are also disposed at left and right sides of prefix body
Inner wall forms the crosshead body conical surface, and the crosshead pin is connected by the crosshead body conical surface with crosshead body grafting, the cross
Head pin outer wall is the crosshead pin conical surface being bonded with the crosshead body conical surface, and the crosshead pin left and right sides, which is horizontally disposed with to have, to be located at
The left end hole and right end hole of same center line, and the crosshead pin middle position also level offers and left end hole and right end hole
It is connected to the connecting hole of setting, is placed with big end cap and small end cover at the left end hole and right end hole outer openings respectively, it is described big
Level, which runs through, between end cap and small end cover fastening bolt, and the fastening bolt free end extends on the right side of small end cover and is bolted with six
Angle locking nut, the hexagonal locking nut and small end cover right contact face are provided with the washer for being socketed on fastening bolt outer wall,
The crosshead body outer wall is uniformly provided with crosshead body roller slot, and is mounted on roller in the crosshead body roller slot,
The roller top is provided with cover board, and roller is also corresponded on the cover board and offers cover board roller slot, and the cover board passes through tightly
Gu screw is connect with crosshead body outer wall, the threaded hole to match with fastening screw is also provided on the cover board.
Preferably, the connecting hole radial position is also communicated with radial center hole I, and the left end hole and right end hole are gone back up and down
Radial to be communicated with radial center hole II in pairs, the radial center hole II is also communicated with lubrication hole II vertically, and left and right is adjacent
II outer end of lubrication hole is communicated with lubrication hole I jointly, and crosshead body outer wall side is also provided with lubrication groove face, the profit
Sliding slot face is also connected to setting with cover board roller slot.
Preferably, I left end of lubrication hole offers plug hole, and plug hole upper cover is connected to plug, in the radial direction
I direction of heart hole is to set and entrance is provided with import rounded corner, and the radial center hole II is vertically arranged and it goes out
It is circumferential at mouthful to be provided with annular groove.
Preferably, the crosshead body roller slot is arranged concentrically with roller, and the crosshead body roller slot and roller
Between there are gaps.
Preferably, side is cylindrical surface in the middle part of the crosshead pin outer wall.
Preferably, side is cylindrical surface in the middle part of the crosshead pin outer wall.The connecting rod is socketed in crosshead pin outer wall
Between position, the piston rod is connect by piston rod connection screw thread hole with crosshead body, and the piston rod is about crosshead body
It is symmetrical arranged.
Preferably, the plug, roller, fastening screw, cover board, crosshead body, crosshead pin, small end cover, washer, hexagonal
Locking nut, fastening bolt and big end cap are jointly about connecting hole setting symmetrical above and below.
Beneficial effect
Compared with prior art, the positive effect of the present invention is:
1. traditional sliding friction is changed to rolling friction, rubbing between crosshead component and slideway is largely reduced
It wipes, extends crosshead component service life；
2. the roller of original crosshead watt He fixing screws routine is replaced, cost is reduced, it is easy to process；
3. connecting rod and crosshead connection type use taper pin, dismounting connecting rod is convenient, to neutral good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is reciprocating compressor roller crosshead modular construction diagrammatic cross-section of the present invention；
Fig. 2 is the right view the schematic diagram of the section structure of reciprocating compressor roller cross head assembly of the present invention；
Fig. 3 is crosshead body diagrammatic cross-section of the present invention；
Fig. 4 is crosshead body top cross-sectional view of the present invention；
Fig. 5 is cover board diagrammatic cross-section of the present invention；
Fig. 6 is partial enlargement diagram at the cover board section I in Fig. 5 of the present invention；
Fig. 7 is cover board schematic top plan view of the present invention；
Fig. 8 is crosshead pin diagrammatic cross-section of the present invention；
Fig. 9 is diagrammatic cross-section at the crosshead pin A-A in Fig. 8 of the present invention；
Figure 10 is reciprocating compressor roller crosshead scheme of installation of the present invention.
Wherein, appended drawing reference is summarized as follows: 1 connecting rod, 2 cross head assemblies, 201 plugs, 202 rollers, 203 fastening screws,
204 cover boards, 205 crosshead bodies, 206 crosshead pins, 207 small end covers, 208 washers, 209 hexagonal locking nuts, 210 fastening spiral shells
Bolt, 211 big end caps, body, 301 plug holes, 302 lubrication holes I, 303 crosshead body roller slots, 304 lubrication groove faces, 305 screw threads in 3
Hole, 306 lubrication holes II, 307 major part taper pin-holes, the 308 crosshead body conical surfaces, 309 microcephaly's taper pin-holes, 310 piston rod connection screw threads
Hole, 311 link motion chambers, 4 piston rods, 401 cover board roller slots, 402 threaded holes, the 501 crosshead pin conical surfaces, 502 radial centers
Hole II, 503 cylindrical surfaces, 504 radial center holes I, 505 connecting holes, 506 annular grooves, 507 right end holes, 508 left end holes, 509 imports are fallen
Fillet.
Specific embodiment
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
With reference to Fig. 1-10 it is found that a kind of reciprocating compressor roller crosshead of the present invention, including cross head assembly 2 with
And middle body 3, the cross head assembly 2 is placed in middle 4 bosom position of body and its outer wall connects with the sliding of middle 4 upper and lower surface of body
Touching, the cross head assembly 2 includes crosshead body 205 and crosshead pin 206,205 company of being internally provided with of crosshead body
Bar moves chamber 311 and piston rod connection screw thread hole 310, and connecting rod 1 is placed in the link motion chamber 311, and the piston rod connects
It connects and is connected with piston rod 4 in threaded hole 310,205 left and right sides of crosshead body is also disposed with 309 He of microcephaly's taper pin-hole
Major part taper pin-hole 307, and microcephaly's taper pin-hole 309 and 307 inner wall of major part taper pin-hole form the crosshead body conical surface 308, it is described
Crosshead pin 206 is connected by the crosshead body conical surface 308 with 205 grafting of crosshead body, and 206 outer wall of crosshead pin is and ten
The crosshead pin conical surface 501 that prefix body cone 308 is bonded, being horizontally disposed at left and right sides of the crosshead pin 206 has positioned at same
The left end hole 508 and right end hole 507 of center line, and 206 middle position of the crosshead pin also level offers and left end hole 508
It is connected to the connecting hole 505 of setting with right end hole 507, is placed with respectively at 507 outer openings of the left end hole 508 and right end hole big
End cap 211 and small end cover 208, level, which runs through, between the big end cap 211 and small end cover 208 fastening bolt 210, and the fastening
210 free end of bolt, which extends on the right side of small end cover 208, is bolted with hexagonal locking nut 209, the hexagonal locking nut 209 with it is small
208 right contact face of end cap is provided with the washer 208 for being socketed on 210 outer wall of fastening bolt, and 205 outer wall of crosshead body is uniform
Crosshead body roller slot 303 is offered, and is mounted on roller 202 in the crosshead body roller slot 303, the roller 202
Top is provided with cover board 204, and roller 202 is also corresponded on the cover board 204 and offers cover board roller slot 401, and the cover board 204
It is connect by fastening screw 203 with 205 outer wall of crosshead body, is also provided on the cover board 204 and matches with fastening screw 203
Threaded hole 402.505 radial position of connecting hole is also communicated with radial center hole I 504, the left end hole 508 and right end hole
About 507 are also radially communicated with radial center hole II 502 in pairs, and the radial center hole II 502 is also communicated with profit vertically
Slide opening II 306, adjacent II 306 outer end of lubrication hole in left and right are communicated with lubrication hole I 302,205 outer wall of crosshead body jointly
Side is also provided with lubrication groove face 304, and the lubrication groove face 304 is also connected to setting with cover board roller slot 401.The lubrication hole I
302 left ends offer plug hole 301, and 301 upper cover of plug hole is connected to plug 201, and I 504 direction of radial center hole is
It sets and entrance is provided with import rounded corner 509, the radial center hole II 502 is vertically arranged and its exit week
To being provided with annular groove 503.The crosshead body roller slot 303 is arranged concentrically with roller 202, and the crosshead body roller slot
There are gaps between 303 and roller 202.Side is cylindrical surface 503 in the middle part of 206 outer wall of crosshead pin.1 set of the connecting rod
It is connected to 206 outer wall middle position of crosshead pin, the piston rod 4 is connected by piston rod connection screw thread hole 310 and crosshead body 205
It connects, and the piston rod 4 is symmetrical arranged about crosshead body 205.The plug 201, roller 202, fastening screw 203, cover board
204, crosshead body 205, crosshead pin 206, small end cover 207, washer 208, hexagonal locking nut 209, fastening bolt 210 and big
End cap 211 is jointly about the setting symmetrical above and below of connecting hole 505.
The present embodiment is when implementing, the method for operation specifically: it is past that connecting rod 1 drives cross head assembly 2 and piston rod 4 to do
Linear motion, when cross head assembly 2 moves downward, the several rollers 202 in the upper surface of crosshead body 205 are in middle 3 upper surface of body
Contact and roll, when cross head assembly 2 moves right, the several rollers 202 in the lower surface of crosshead middle 3 following table face contact of body simultaneously
It rolls.The lubricating system channel of several rollers 202 is that lubricating oil enters in crosshead pin radial direction by connecting rod oilhole simultaneously
Heart hole I 504, connecting hole 505, radial center hole II 502, lubrication hole II 306, lubrication hole I 302, lubrication groove face 304, cover board rolling
Column slot 401 flows out outside crosshead, when the application mounts and dismounts at normal temperature, checks whether in advance in all fitting surfaces
There is foreign matter, purge each surface, coats lubricating oil to mounting surface；Several rollers 202 are placed on to several crosses of crosshead body 205
On head body roller slot 303；Cover board 204 according to the installation site corresponding lid to crosshead body 205 of roller above, and use fastening screw
203 are fixed on cover board 204 205 on crosshead body；Plug 201 is installed on the plug hole 301 of crosshead body 205；By ten
Prefix body 205 overturns 180 degree, and crosshead body is placed on middle body 3；Connecting rod 1 is placed crosshead body 205 to move in chamber 311,
And it is consistent with the left end hole 508 of crosshead pin 206 and 507 center line of right end hole, by crosshead pin 206 from crosshead body 205
Major part taper pin-hole 307 passes through connecting rod 1 and is placed on microcephaly's taper pin-hole 308, until the crosshead pin conical surface 501 and the crosshead body conical surface
Until 308 fittings；Small end cover 207 is placed in the right end hole 507 of crosshead pin 206；Big end cap 208 is placed in crosshead
It sells in left end hole 508；Fastening bolt 210 is passed through into connecting hole 505, right end hole 507 from the left end hole 508 of crosshead pin, is placed
Washer 208, and fastening bolt 210 is tightened by hexagonal locking nut 209；Piston rod 4 and crosshead body threaded hole 213 are installed
On.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of reciprocating compressor roller crosshead, including cross head assembly (2) and middle body (3), it is characterised in that:
The cross head assembly (2) is placed in middle body (4) bosom position and its outer wall and middle body (4) upper and lower surface sliding contact,
The cross head assembly (2) includes crosshead body (205) and crosshead pin (206), setting inside the crosshead body (205)
There are link motion chamber (311) and piston rod connection screw thread hole (310), be placed with connecting rod (1) in the link motion chamber (311),
It is connected with piston rod (4) in the piston rod connection screw thread hole (310), is also successively set at left and right sides of the crosshead body (205)
It is equipped with microcephaly's taper pin-hole (309) and major part taper pin-hole (307), and in microcephaly's taper pin-hole (309) and major part taper pin-hole (307)
Wall forms the crosshead body conical surface (308), and the crosshead pin (206) passes through the crosshead body conical surface (308) and crosshead body (205)
Grafting is connected, and crosshead pin (206) outer wall is the crosshead pin conical surface (501) being bonded with the crosshead body conical surface (308), institute
Stating to be horizontally disposed at left and right sides of crosshead pin (206) has positioned at the left end hole (508) and right end hole (507) of same center line, and
Crosshead pin (206) middle position also level offers the connection that setting is connected to left end hole (508) and right end hole (507)
It is placed with big end cap (211) and small end cover respectively at hole (505), the left end hole (508) and right end hole (507) outer openings
(208), horizontal through having fastening bolt (210) between the big end cap (211) and small end cover (208), and the fastening bolt
(210) free end extends on the right side of small end cover (208) and is bolted with hexagonal locking nut (209), the hexagonal locking nut (209)
The washer (208) for being socketed on fastening bolt (210) outer wall, the crosshead body are provided with small end cover (208) right contact face
(205) outer wall is uniformly provided with crosshead body roller slot (303), and is mounted on rolling in the crosshead body roller slot (303)
Column (202), roller (202) top are provided with cover board (204), also correspond to roller (202) on the cover board (204) and offer
Cover board roller slot (401), and the cover board (204) is connect by fastening screw (203) with crosshead body (205) outer wall, it is described
The threaded hole (402) to match with fastening screw (203) is also provided on cover board (204).
2. a kind of reciprocating compressor roller crosshead described in accordance with the claim 1, it is characterised in that: the connecting hole
(505) radial position is also communicated with radial center hole I (504), the left end hole (508) and right end hole (507) also equal diameter up and down
To radial center hole II (502) is communicated in pairs, the radial center hole II (502) is also communicated with lubrication hole II vertically
(306), adjacent lubrication hole II (306) outer end in left and right is communicated with lubrication hole I (302) jointly, and the crosshead body (205) is outside
Wall side is also provided with lubrication groove face (304), and the lubrication groove face (304) is also connected to setting with cover board roller slot (401).
3. a kind of reciprocating compressor roller crosshead according to claim 2, it is characterised in that: the lubrication hole
I (302) left end offers plug hole (301), and plug hole (301) upper cover is connected to plug (201), the radial center hole I
(504) direction is to set and entrance is provided with import rounded corner (509), and the radial center hole II (502) is vertically
It is arranged and its exit is circumferentially provided with annular groove (503).
4. a kind of reciprocating compressor roller crosshead described in accordance with the claim 1, it is characterised in that: the crosshead
Body roller slot (303) is to be arranged concentrically, and deposit between the crosshead body roller slot (303) and roller (202) with roller (202)
There is gap.
5. a kind of reciprocating compressor roller crosshead described in accordance with the claim 1, it is characterised in that: the crosshead
Selling side in the middle part of (206) outer wall is cylindrical surface (503).
6. a kind of reciprocating compressor roller crosshead described in accordance with the claim 1, it is characterised in that: the connecting rod
(1) it is socketed on crosshead pin (206) outer wall middle position, the piston rod (4) passes through piston rod connection screw thread hole (310) and ten
Prefix body (205) connection, and the piston rod (4) is symmetrical arranged about crosshead body (205).
7. a kind of reciprocating compressor roller crosshead described in accordance with the claim 1, it is characterised in that: the plug
(201), roller (202), fastening screw (203), cover board (204), crosshead body (205), crosshead pin (206), small end cover
(207), washer (208), hexagonal locking nut (209), fastening bolt (210) and big end cap (211) are jointly about connecting hole
(505) setting symmetrical above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487489.4A CN109653989A (en) | 2018-12-06 | 2018-12-06 | A kind of reciprocating compressor roller crosshead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487489.4A CN109653989A (en) | 2018-12-06 | 2018-12-06 | A kind of reciprocating compressor roller crosshead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109653989A true CN109653989A (en) | 2019-04-19 |
Family
ID=66112513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811487489.4A Pending CN109653989A (en) | 2018-12-06 | 2018-12-06 | A kind of reciprocating compressor roller crosshead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109653989A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2374595A (en) * | 1943-09-15 | 1945-04-24 | Western Electric Co | Reciprocable telescopic members |
| CN1773147A (en) * | 2005-01-05 | 2006-05-17 | 潘海若 | Rolling piston capable of changing sliding friction to rolling friction between piston and cylinder |
| DE102007006641A1 (en) * | 2007-02-06 | 2008-08-07 | Voith Patent Gmbh | Crank gear for two-stage piston compressor i.e. brake air compressor, has bolt bearing i.e. antifriction bearing, for supporting piston pin, pin bearing i.e. friction bearing, on crank shaft, and connection for making admission of oil mist |
| AU2010100303A4 (en) * | 2010-04-01 | 2010-05-06 | Sun-Wonder Industrial Co., Ltd. | Refrigerant Recovery Machine with Improved Cam Wheel Assembly |
| CN101713392A (en) * | 2008-09-29 | 2010-05-26 | 诺沃皮尼奥内有限公司 | Crank mechanism for a reciprocating compressor |
| US20120058000A1 (en) * | 2010-09-06 | 2012-03-08 | National Oilwell Varco, L.P. | Self-Aligning Rod Seal |
| CN205047396U (en) * | 2015-09-07 | 2016-02-24 | 江苏北辰新材料科技有限公司 | Piston compressor cross head structure |
| CN207178147U (en) * | 2017-06-29 | 2018-04-03 | 江苏锡压石化装备有限公司 | A kind of vertical compressor cross head design |
-
2018
- 2018-12-06 CN CN201811487489.4A patent/CN109653989A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2374595A (en) * | 1943-09-15 | 1945-04-24 | Western Electric Co | Reciprocable telescopic members |
| CN1773147A (en) * | 2005-01-05 | 2006-05-17 | 潘海若 | Rolling piston capable of changing sliding friction to rolling friction between piston and cylinder |
| DE102007006641A1 (en) * | 2007-02-06 | 2008-08-07 | Voith Patent Gmbh | Crank gear for two-stage piston compressor i.e. brake air compressor, has bolt bearing i.e. antifriction bearing, for supporting piston pin, pin bearing i.e. friction bearing, on crank shaft, and connection for making admission of oil mist |
| CN101713392A (en) * | 2008-09-29 | 2010-05-26 | 诺沃皮尼奥内有限公司 | Crank mechanism for a reciprocating compressor |
| AU2010100303A4 (en) * | 2010-04-01 | 2010-05-06 | Sun-Wonder Industrial Co., Ltd. | Refrigerant Recovery Machine with Improved Cam Wheel Assembly |
| US20120058000A1 (en) * | 2010-09-06 | 2012-03-08 | National Oilwell Varco, L.P. | Self-Aligning Rod Seal |
| CN205047396U (en) * | 2015-09-07 | 2016-02-24 | 江苏北辰新材料科技有限公司 | Piston compressor cross head structure |
| CN207178147U (en) * | 2017-06-29 | 2018-04-03 | 江苏锡压石化装备有限公司 | A kind of vertical compressor cross head design |
Non-Patent Citations (1)
| Title |
|---|
| 《往复泵设计》编写组: "《往复泵设计》", 31 December 1978 * |
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| PB01 | Publication | ||
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Application publication date: 20190419 |